GB 15603-1995 General rules for storage of commonly used hazardous chemicals
Some standard content:
National Standard of the People's Republic of China
General Rules for Storage of Commonly Used Chemical Dangers
Rule for storage of chemical dangers1 Subject content and scope of application
This standard specifies the basic requirements for the storage of commonly used chemical dangerous goods (hereinafter referred to as chemical dangerous goods). GB15603-1995
This standard applies to the entry, storage, and maintenance of commonly used chemical dangerous goods (hereinafter referred to as chemical dangerous goods). 2 Reference standards
GB190 Dangerous goods packaging marking
GB13690 Classification and marking of commonly used hazardous chemicals GBJ16 Code for fire protection design of buildings
3 Definition
3.1 Segregated storage Segregated storage is a storage method in which different materials are separated by a certain distance in the same room or the same area, and non-prohibited materials are kept in space by passages.
3. 2 Cut-aff storage A storage method that uses partitions or walls to separate prohibited materials from the same building or area. 3.3 Detached storage
A storage method that uses partitions or walls to separate prohibited materials from the same building or area. 3.4 Prohibited materials Incinpatibleinaterals Chemical materials with conflicting chemical properties or different fire extinguishing methods. 4 Basic requirements for storage of hazardous chemicals
4.1 The storage of hazardous chemicals must comply with national laws, regulations and other relevant provisions. 4.2 Hazardous chemicals must be stored in special hazardous chemical warehouses approved by the public security department. The storage of hazardous chemicals and the storage quantity in the self-managed warehouses of the distribution departments must be approved by the public security department. Hazardous chemical storage warehouses shall not be set up without approval. 4.3 The open-air storage of hazardous chemicals shall comply with the safety requirements of fire prevention and explosion prevention. Explosives, first-level flammable materials, materials that burn when wet, and highly toxic materials shall not be stored in the open air.
4.4 Warehouses storing hazardous chemicals must be equipped with technicians with professional knowledge. Their warehouses and places should be managed by special personnel. The management personnel must be equipped with reliable personal safety accessories. 4.5 Hazardous chemicals are divided into eight categories according to the provisions of GB13690: a.
Explosive crystals:
Compressed gases and liquefied gases:
Flammable liquids+
Approved by the National Technical Supervision Bureau on July 26, 1995 and implemented on February 1, 1996
GB15603—1995
Flammable solids, self-igniting articles and articles that are easily flammable when wet: oxidants and organic peroxides;
f. Toxic articles;
Radioactive articles:
Corrosive articles.
4.6 Signs
Stored hazardous chemicals should have obvious signs, which should comply with the provisions of GB190. When two or more dangerous goods of different levels are stored in the same area, the performance mark of the highest level dangerous goods shall be used. 4.7 Storage method
There are two storage methods for dangerous chemicals:
Isolation storage
Separation storage;
Separation storage. bzxZ.net
4.8 Storage shall be carried out in different areas, classifications and warehouses according to the performance of dangerous goods. All kinds of dangerous goods shall not be stored together with prohibited materials. For the configuration of prohibited materials, see Appendix A (reference). 4.9 Smoking and open flames are strictly prohibited in buildings and areas where dangerous chemicals are stored. 5 Requirements for storage places
5.1 Buildings storing dangerous chemicals shall not have basements or other underground buildings. Their fire resistance level, number of floors, floor area, safe evacuation and fire protection distance shall comply with relevant national regulations. 5.2 In addition to complying with relevant national regulations, the setting of storage locations and building structures shall also consider the impact on the surrounding environment and residents! 5.3 Electrical installation in storage places
5.3.1 Fire-fighting electrical equipment in chemical hazardous materials storage buildings should be able to fully meet the needs of fire-fighting electricity and comply with the relevant provisions of Chapter 10, Section 1 of GBJ16.
5.3.2 Power transmission and distribution lines, lamps, fire accident lights and evacuation signs in chemical hazardous materials storage areas or buildings should all comply with safety committee requirements.
5.3.3 Lightning protection equipment must be installed in buildings storing flammable and explosive chemical hazardous materials. 5.4 Ventilation or temperature adjustment in storage places
5.4.1 Ventilation equipment must be installed in buildings storing chemical hazardous materials, and attention should be paid to the protective measures of the equipment. 5.4.2 The ventilation and exhaust systems of buildings storing chemical hazardous materials should be equipped with grounding devices that can remove static electricity. 5.4.3 Ventilation pipes should be made of non-combustible materials. 5.4.4 Ventilation ducts should not pass through fireproof partitions such as firewalls. If they must pass through, they should be separated by non-combustible materials. 5.4.5 The heat medium overflow of the building heating for storing hazardous chemicals should not be too high, and the hot water should not exceed 80℃. Steam heating and mechanical heating shall not be used.
5-4.6 The overflow protection materials for heating pipes and equipment must be non-combustible materials. 6 Storage arrangements and storage quantity limits
6.1 The storage arrangements for hazardous chemicals depend on the classification, sub-items, container types, storage methods and fire protection requirements of hazardous chemicals. 6.2 See Table 1 for the storage quantity and storage arrangements.
Storage category
Storage requirements
Average storage capacity per unit area, t/m
Maximum storage capacity in a single storage area, t
Stacking distance limit.m
Aisle width
Stitching width.m
And prohibited goods.m
GB 15603---1995
Storage of goods
1. 0~ 1. 5
2000~2400
Required storage
200--300
0, 3 -~ 0. 5
0. 3 ~ 0. 5
Do not store in the same warehouse
Store with compensation
200~300
0. 3~-0. 5
0. 3 --0. 5
Do not store in the same warehouse
Store separately
400-~600
0. 3 ~- 0. 5
6.3 Hazardous chemicals that can cause combustion, explosion or chemical reaction when exposed to fire, heat or moisture, and produce toxic gases shall not be stored in the open air or in damp or waterlogged buildings.
6.4 Hazardous chemicals that can cause combustion, explosion, decomposition, combination or produce toxic gases when exposed to sunlight should be stored in a Class I building. Light-proof measures should be taken for their packaging. 6.5 Explosives are not allowed to be stored in the same warehouse as other types of items, and must be stored separately with high-limit trays , warehouses are not allowed to be built in towns, and they should be kept at a certain safe distance from surrounding buildings, traffic roads, and power transmission lines. 6.6 Compressed gases and liquefied gases must be stored separately from explosives, oxidants, flammable items, self-igniting items, and corrosive items. Flammable gases must not be stored together with combustion-supporting gases and highly toxic gases; oxygen must not be mixed with oils and fats. Containers containing liquefied gases are pressure vessels and must have pressure gauges, safety valves, emergency shut-off devices, and must be checked regularly and must not be overloaded. 6.7 Flammable and dehumidifying gases must be stored separately from explosives, oxidants, flammable items, self-igniting items, and corrosive items. Flammable items and flammable solids must not be mixed with oxidants. Oxidants with reducing properties should be stored separately. 6.8 Toxic items should be stored in a cool, ventilated, dry place. Do not store them in the open air or near acidic substances. 6.9 Corrosive items must be tightly packed and no leakage is allowed. They must not coexist with liquefied gases and other items. Maintenance of Chemical Hazards
7.1 When hazardous materials are put into storage, the quality, quantity, packaging, and leakage of the items should be strictly inspected. 7.2 Chemical Hazards After the products are put into storage, appropriate maintenance measures should be taken. During the storage period, regular inspections should be carried out. If quality changes, packaging damage, leakage, or stabilizer shortages are found, they should be handled in a timely manner. 7.3 The temperature and humidity of the warehouse should be strictly controlled and checked frequently. If changes are found, adjustments should be made in a timely manner. B. Management of the entry and exit of hazardous chemicals in warehouses
8.1 Warehouses storing hazardous chemicals must establish a strict entry and exit management system. 8.2 Before entering and leaving the warehouse, hazardous chemicals should be inspected, accepted, and registered in accordance with the contract. The acceptance content includes: · Quantity
b. Packaging
c. Hazard signs.
· Only after verification can they be entered or exited from the warehouse. When the nature of the goods is not clear, they shall not be allowed to enter the warehouse. 8.3 Personnel, motor vehicles, and work vehicles entering the storage area of hazardous chemicals must take fire prevention measures 8.4 When loading, unloading, and transporting hazardous chemicals, they should be carried out in accordance with relevant regulations, and they should be lightly loaded and lightly baited. It is strictly forbidden to drop, bump, hit, hit, drag, dump, and roll.
8.5 When loading and unloading items that are toxic and corrosive to humans, operators should wear appropriate protective equipment according to the degree of danger: 8.6 Materials that are mutually prohibited should not be transported in the same vehicle. 8.7 When repairing, refitting, cleaning, loading and unloading flammable and explosive materials, copper, alloy or other tools that do not produce sparks should be used. 4-19
9 Firefighting measures
GE15603-1995
9.1 According to the characteristics of dangerous goods and warehouse conditions, corresponding fire-fighting equipment, facilities and fire-fighting agents must be equipped. Trained part-time and full-time firefighters should also be equipped.
9.2 Automatic monitoring and fire alarm systems should be installed in buildings storing dangerous chemicals according to warehouse conditions. 9.3 In buildings storing dangerous chemicals, if conditions permit, fire-fighting sprinkler systems should be installed (except for fires that burn dangerous chemicals and cannot be extinguished with water). The sprinkler intensity and water supply time are as follows: Spray intensity
Duration
10 Waste treatment
15 1,/(min m)
90 min.
10.1 It is forbidden to pile up combustible waste in the storage area of hazardous chemicals. 10.2 Leaking or leaking packaging containers of hazardous chemicals should be quickly moved to a safe area. 10.3 According to the characteristics of hazardous chemicals, waste materials should be treated by chemical or physical methods. They must not be discarded at will to pollute the environment. 11 Personnel training
11.1 Warehouse staff should be trained and certified after passing the assessment. 11.2 Provide necessary education to personnel who load hazardous chemicals so that they can operate in accordance with relevant regulations. 11.3 In addition to general firefighting knowledge, warehouse firefighters should also receive special training in working in hazardous goods warehouses to make them familiar with the types, properties, storage locations, and accident handling procedures and methods of hazardous chemicals stored in each area. 450
B1 Class 1 explosives
B1.1 Name: Sodium azide
No.: 11010
Chemical formula: NaN,
CB15603-1995
Appendix B
Safe storage of common hazardous chemicals
(reference)
Molecular weight: 65.02
Characteristics: Colorless hexagonal crystals, soluble in water and water absorption, slightly soluble in ethanol, not soluble in acetaldehyde. Relative density: 1.846 Melting point 65.02℃ (decomposition). Unstable in nature, decomposes when heated to 300℃, and causes a strong explosion when exposed to high heat and kinetic energy. Used to make explosives, medicines, and reagents. Packing: Put in glass bottles, plastic bottles or polyethylene bags, seal tightly, then put in iron inserts or plastic boxes, and then put in sturdy wooden boxes. The box is firmly padded with plastic bubble pads or soft materials, and the box is reinforced with iron sheets or wire. The net weight of each box does not exceed 20kg, and the net weight of each bottle does not exceed 1kg. Storage conditions: There is a warehouse dedicated to storing explosives. The warehouse is cool and dry, the warehouse temperature does not exceed 30℃, and the relative humidity does not exceed 80%. It is stored separately from various detonating equipment, black powder, and other chemical hazardous goods. Maintenance: 1) Warehouse acceptance: Check whether the packaging is complete, whether there is rain, water, moisture, etc., and the crystals of the items should be loose and without shrinkage. 2) Stacking pad: The bottom of the cargo stack should be padded 15-30cm, and the cargo stack should be small, the stack height should not exceed 2m, the stack distance B0~90cm, and the wall distance and column distance are 30~50 cm.
3) In-warehouse inspection: During the busy storage period, the items must be inspected twice a day and the items and packaging must be inspected regularly.
4) Temperature and humidity management: During the rainy season, the warehouse should be sealed and ventilation and moisture absorption should be combined to ensure that the relative humidity in the warehouse does not exceed 80% and the warehouse temperature does not exceed 30°C.
5) Safe operation: Handle with care during operation, prevent collision, and prohibit dragging of packaging. When opening the container, copper or steel alloy tools should be used.
6) Storage period: 1 year.
Precautions: In case of fire, use mist water, foam, and carbon dioxide to extinguish the fire. It is forbidden to use sand and soil to press. B1.2 Product name: trinitroanisole
No.: 11062
Other name: methyl picrate
Chemical formula: CH(OCH)(NO,),
Molecular weight: 243.13
Characteristics: yellow crystal, insoluble in water, soluble in ethanol and ether. Relative density 1.61 (crystallization), 1.408 (melting): melting point 68.4℃, deflagration point 285℃, explosive gas volume 701L/kg+explosion velocity 6B00m/s, generated energy -548.2kJ/kg. It does not react with metals under dry conditions, but generates picric acid when it is hydrated. It can cause combustion and explosion when it encounters open flames, high temperatures, vibration, impact, and friction. It is sensitive and can easily cause rash when it contacts the skin. This product has a low sensitivity among high explosives and is one of the most safe explosives. Its effectiveness is between TNT and picric acid. Packaging: Put in glass bottles, seal tightly and then put in sturdy wooden boxes, lined with polyethylene bubble pads or other soft materials, and reinforced with iron sheets or wires on the outside of the boxes. Metal containers are prohibited. If plastic bottles are used, the bottle doors must be tightly sealed, and then put in sturdy original cardboard boxes or fiberboards, lined with soft materials inside the boxes, and tied with iron sheets or plastic belts on the outside of the boxes. The net weight of each box shall not exceed 20kg. Storage conditions: There is a special warehouse in a cool, dry and ventilated place, avoid direct sunlight, and choose a high fire source and heat source. Separate storage from detonators, explosive materials, black 455
GB15603—1995
gunpowder, etc., and do not store or transport them together with "general chemical hazardous goods. Maintenance:
1) Warehouse acceptance: Check whether the packaging is complete and whether it has been exposed to rain, water, or leaking. Items must not leak. 2) Stacking pad: A layer of dry sand can be laid on the floor of the warehouse, and the pile under the cargo pile should be raised by 15~30cm. Small piles should be piled, and the pile height should not exceed 2 cuts. The distance between the piles is 80~~90cm, and the distance between the walls and the columns is 30~50cm.
3) In-warehouse inspection: During the storage period, after work and before leaving get off work every day, the cargo piles and the environment inside and outside the warehouse should be checked once. Inventory items should be checked regularly every three months.
4) Temperature and humidity management, the warehouse should be sealed, and in summer, Combine ventilation and moisture absorption to control the warehouse temperature not exceeding 30℃ and the relative humidity not exceeding 80%. However, lime and dehumidifiers shall not be used for dehumidification inside and outside the warehouse. Calcium oxide can be used. 5) Safe operation: The handling operators should wear work clothes, gloves, and soft-soled shoes. No nails should be nailed on the soles of the shoes. Be careful to handle gently during transportation. It is forbidden to support, collide or hit. The tools used should be made of copper or copper alloy. 6) Storage period: 1 year.
Precautions: In case of fire, mist water can be used to extinguish the fire. Sand and soil are prohibited to cover and press. B1.3 Product name: Nitroguanidine
Code: 11027
Other name: Olive bitter blue
Chemical formula HNCNH)NHNO
Molecular disk: 104.07
Characteristics, white needle-shaped product, non-hygroscopic, insoluble in cold water, soluble It is slightly soluble in hot water, slightly soluble in ethanol, and easily soluble in alkali. Relative density 1.715; melting point 232 (decomposition), deflagration point 275C (58); detonation velocity 8200m/s, detonation gas volume 8951./kg*explosion heat 372kJ/kg. It is easily decomposed by alkali, and is prone to explosion when exposed to open flames, high heat, and strong movement. It releases toxic gases after decomposition, and deoxidizing substances can react violently. It is used in the manufacture of smokeless gunpowder and organic synthesis.
Packing, put into a glass bottle and seal it tightly, and then put it into a sturdy box. The box is firmly padded with plastic bubble pads or other soft materials. The outside of the box is reinforced with iron sheets or iron wire. The net quantity of each box shall not exceed 20kg, and the net weight of each bottle shall not exceed 1kg. There shall be an obvious "explosive" mark on the outside of the package. Storage conditions: For safe storage and transportation, less can be placed in small packages. 20% water, stored in a dedicated warehouse, away from fire, heat source, avoid direct sunlight, and completely isolated from explosives and other dangerous chemicals, especially oxidants and alkalis. In the northern region, it is suitable to be stored in a storage warehouse with a temperature above 0.
Maintenance:
1) Warehouse acceptance: Check whether the packaging is complete, whether there is water pollution, and whether the water content is appropriate. 2) Stacking pad: The bottom of the cargo stack should be raised by more than 15cm, and it is advisable to form a small stack, the stack height should not exceed 2m, the stack distance is 80~90cm, and the wall and the distance are 30~50cm
3) In-warehouse inspection: During the storage period, the cargo stack and the environment inside and outside the warehouse should be inspected once after work and before leaving get off work every day. The inventory items should be checked regularly every three months. If the water content of the stabilizer is insufficient, it should be added immediately. ) Temperature and humidity management: In the winter in northern regions, the warehouse temperature should be kept above 0°C to prevent water from freezing and breaking the packaging. It is forbidden to use open flames to raise the temperature in the warehouse. Water heating, underground warehouse or sealed insulation methods can be used. 5) Safe operation: Pay attention to unloading gently during transportation and loading and unloading. It is strictly forbidden to drop or hit. The operating tools should be made of copper or copper alloy. 6) Storage period: 1 year.
Precautions: Fire can be extinguished with mist water and foam. B1.4 Product name: Nitrodol
No.: 11028
Chemical formula: NH.CONHNO
Molecular weight: 105.05
Characteristics: White crystalline powder, soluble in water, easily decomposed by moisture, slightly soluble in benzene, ether and chloroform. Melting point 159°C (decomposition) Explosion point 452
GB15603—1995
180'C Explosion gas volume 853L/kg* Explosion heat 3304kJ/kg: Generation energy 912kJ/kg. It starts to decompose at 80°C after heating, and is prone to explosion under high heat and strong vibration. After decomposition, it emits a toxic smell of nitrogen oxides, and can react strongly with reducing substances. Packing: Put into glass bottles or plastic bottles, seal them tightly and then put them into sturdy wooden boxes. The box should be padded with plastic bubble pads or other soft materials, and reinforced with iron sheets or wires. There should be obvious "explosives" signs on the outside of the box. The net weight of each box should not exceed 20kg, and the net weight of each bottle should not exceed 1kg. Storage conditions: Store in a cool, ventilated and dry warehouse dedicated for explosives. Keep away from fire and heat sources and avoid direct sunlight. The warehouse temperature should not exceed 30, and the relative humidity should not exceed 80%. Store away from drying equipment and other chemical hazardous materials. Maintenance:
1) Warehouse acceptance: Check whether the outer packaging is complete. Whether there is water, leakage, etc., and whether the inner packaging has moisture absorption blocks and melted. 2) Stacking pad: The bottom of the cargo stack should be raised by 15~30cm, and small stacks should be stacked, and the stack height should not exceed 2m. The distance between the wall and the column is 80~90cm. The distance between the wall and the column is 3050cm
3) Inspection in the warehouse: During the storage period, the custodian shall check the depth of the goods and the environment inside and outside the warehouse once a day, and check the items regularly every three months.
4) Temperature and humidity management + the warehouse is sealed and a combination of ventilation and moisture absorption is adopted to control the warehouse temperature not exceeding 30℃ and the relative condensation degree not exceeding 0%.
5) Safety operation, handling and loading and unloading should be handled with care, and it is strictly forbidden to hold, hit, or drag the packaging. The tools used should be made of steel or copper alloy.
6) Storage period: 1 year.
Precautions: Water can be used in case of fire, and firefighters should wear emergency masks. B1.5 Product name: Trinitroformaldehyde
No. ：11035
Alias: TNT
Chemical formula, CH,CH(NO,)
Molecular weight+227.13
Characteristics, white or yellow needle-shaped crystals, odorless, toxic, insoluble in water, slightly soluble in ethanol, soluble in benzene, toluene, acetone. Relative density 1.654 (crystallization), 1.47 (melting); melting point 80.7℃, boiling point 280℃/explosion melting point 300℃; explosion velocity 6900m/s explosion capsule gas volume 620L./kg+explosion heat 5066kJ/kg+generation energy 174.8kJ/kg+nitrogen content 18.5%. Stable performance, neutral, easy to break to generate unstable explosives, sensitive to mechanical action, hygroscopic, contact with open flames, high temperature, friction , quick attack may cause explosion. Packaging: Put into four layers of tough thick paper bags or one layer of plastic bags, tie the bag mouth tightly, and then put into strong wooden books. The thickness of the box board is more than 15mm. It can also be put into tough sacks. The net weight of the unit package does not exceed 50kg. Small doses can be put into glass bottles or plastic bottles, the bottle mouth is sealed tightly, and then packed into wooden boxes or strong thick cardboard boxes. The box is tightly padded with plastic bubble pads or soft materials.
Storage conditions: For safety reasons, 10% to 30% water can be added as a stabilizer and stored in a special explosive warehouse. The warehouse requires cool and ventilated, avoid direct sunlight, the warehouse temperature is 30℃, and the relative humidity is below 80%. Explosion-proof lighting can be used in the warehouse, and the switch is set outside the warehouse. It must be strictly isolated from the initiating equipment and other chemical hazardous materials, especially the explosives. Maintenance:
1) Human warehouse acceptance: Check whether the packaging is complete, damaged, or rained. 2) Pad: A layer of dry sand can be laid on the floor of the warehouse, and the pile should be raised by 10~30cm. It is advisable to pile small piles, and the pile height should not exceed 2m. The distance between piles is 80~90cm, and the distance between walls and columns is 30~~50cm
3) Inspection in the warehouse: During the storage period, the piles and the environment inside and outside the warehouse should be inspected once after work and before leaving get off work every day. The inventory items should be inspected regularly every three months. 4) Temperature management: In summer, the warehouse should be sealed, and ventilation and moisture absorption should be combined to control the warehouse temperature not exceeding 30℃ and the relative fade not exceeding 80%. However, lime blocks and dehumidifiers should not be used for dehumidification in the warehouse, and calcium chloride can be used. The warehouse temperature in northern regions should be kept above 0℃ to prevent the stabilizer from freezing and bursting the packaging.
GB15603---1995
5) For safe operation, the transporters should wear work clothes, gloves, and soft-soled shoes. No nails should be nailed on the soles of the shoes. Pay attention to loading and unloading gently during transportation. Do not drop or hit them. Use tools made of hoops or copper alloys. 6) Storage period: 1 year.
Note: In case of fire, water can be used. Do not cover with sand and soil. B1.6 Product name: 2,4,6-trinitrobenzene nitrate. No.: 11040
Other names: nitroamine, tert-butylamine
Chemical formula (NO), C.HN(NO,)CH
Molecular weight +287.15
Characteristics: White or light yellow crystals, insoluble in water. Slightly soluble in ethanol, acetaldehyde, acetic acid. Soluble in benzene. Relative density 1.73; melting point 130℃ boiling point 187℃ (explosion): deflagration point 185℃, detonation gas volume 672L/kg: detonation velocity 7570m/s/explosion heat 5526.58kJ/kg. It can be decomposed by acid and alkali, and has high toxicity. It absorbs 0.15% of moisture at a relative humidity of 60%. It can cause combustion and explosion when it encounters fire, high temperature, vibration, and impact, and has good detonation ability. It is used for detonating explosives and violent explosives. Packaging, put into four layers of kraft paper bags, one of which is asphalt paper, and the mouth is folded, pressed, and pressed layer by layer. It can also be put into a cloth bag, tie the bag mouth tightly, and put it in a solid wooden box. The thickness of the box board is more than 15mm. The net weight of each package does not exceed 50kg. Each package should have a firm and clear name, gross weight, batch number, factory date, "explosive", "heat protection", "handle with care" and other obvious signs. Storage conditions: Stored in a special warehouse for explosives, the temperature should not exceed 35°C, avoid direct sunlight, the relative humidity should be below 10%, and separated from detonating equipment, black powder, fuse and other dangerous chemicals.
1) Check whether the packaging is complete, damaged, rained, soaked, and leaking during the warehouse acceptance. 2) Stacking pad: A layer of dry sand can be laid on the floor of the warehouse, and the pile should be raised by 15 to 30 cm. Small piles should be piled, and the height should not exceed 2 m. The distance between the piles is 80 to 90 cm and the distance between the ends is 30 to 50 cm.
3) In-warehouse inspection: During the storage period of the items in the warehouse, the goods piles and the environment inside and outside the warehouse should be inspected once after work and before leaving get off work every day. Regular inspections of inventory items should be conducted every three months. 4) Temperature management: The warehouse should be sealed. In summer, attention should be paid to ventilation and moisture absorption to control the warehouse temperature not exceeding 30 degrees and the relative temperature not exceeding 80%. However, lime blocks and vacuum cleaners should not be used to dehumidify the warehouse. Calcium chloride can be used. The warehouse temperature in northern regions should be kept above 0 degrees Celsius to prevent the fixed agent from freezing and swelling the packaging.
5) Safe operation. The handling operators should wear work clothes, gloves, and soft-soled shoes. Iron nails should not be nailed to the soles of the shoes. Pay attention to loading and unloading gently during handling. It is forbidden to drop, collide or hit. The tools used should be made of copper or copper alloy. 6) Storage period: 1 year.
Precautions: Water is used for fire, and sand and soil pressure capping is prohibited. B1.7 Product name, cyclohexane trinitramine
No.: 11041
Other name, RDX
Chemical formula: CHN (NO)
Molecular weight: 222.15
Characteristics: Colorless crystals, insoluble in water, slightly soluble in acetaldehyde ether and ethanol, slightly higher in acetone and hot benzene, more soluble in heated cyclohexanone, nitrobenzene and ethylene glycol. Relative density 1.82℃ Melting point 209℃, deflagration point 230℃ Detonation velocity 8750m/, detonation gas volume 910L/kg Explosion heat 6025kJ/kg/Generation energy 417kJ/kg. The chemical properties are relatively stable. When heated at 110℃ for 152h, the chemical stability remains unchanged. 50 Long-term storage does not decompose, no change in acid and dilute alkali, decomposes in concentrated sulfuric acid. It can cause combustion and explosion when exposed to open flames, high temperatures, vibrations, impacts, and friction. It is a kind of high explosive with extremely strong explosive power, 1.5 times more powerful than TNT. Packing: Put it in four layers of tough thick paper bags, tie the bag mouth tightly, and then put it in a strong wooden box. The box board thickness is more than 15mm. The net weight of the unit package shall not exceed 50kg + the outer packaging shall have obvious product name, factory name, production date, gross weight and relevant hazard labels. 4.54
GB 15603—1995
Storage conditions: Store in a special explosive warehouse, away from fire and heat sources, and store it separately from various detonating equipment, black gunpowder and other various chemical hazardous materials.
Maintenance:
Storage period: 1 year.
Others are the same as B1.5.
Precautions: Use mist water to extinguish the fire, and it is forbidden to cover it with sand. R1.8 Product name: trinitroisophenylene diester
No.: 11061
Alias: trinitroresinphenol
Chemical formula CHOH)(ON)
Molecular weight: 245.11
Characteristics: Yellow hexagonal crystals, slightly soluble in water, 0.65g can be dissolved in 100 water at 14°C, 1.1g can be dissolved at 62°C, soluble in ethanol, ether, propylene, benzene. Relative density 1.83; Melting point 179～180°C: Explosion point 223; Detonation gas volume 608L/kg Explosion heat 4676.7kJ/k, generation energy ~-1703kJ/kg. It can cause combustion and explosion when exposed to open flames, high temperatures, vibrations, impacts, and friction. Used to make explosives. Packing: Put in glass bottles or plastic bottles, seal the bottle mouth tightly, and then put in sturdy wooden boxes or thick cardboard boxes. The box is firmly padded with soft materials, and the outside of the box is reinforced with iron sheets or iron wires. The net weight of each box does not exceed 20kg, and the net weight of each bottle does not exceed 1kg. Storage conditions: Store in a cool, dry and ventilated special explosive warehouse, the warehouse temperature does not exceed 30C, and it is stored separately from various detonating equipment, black powder and various chemical hazardous materials.
Maintenance:
1) Warehouse acceptance: Check whether the packaging is complete, whether it is damaged, rained, or soaked, and there must be no leakage. 2) Stacking pad: The ground in the warehouse can be paved with sand and soil, and the pad under the cargo stack is 15 to 30cm high. It is advisable to stack small stacks, the stack height does not exceed 2m, the stack distance is 80~90cm, and the distance from the wall and the column is 30~50cm. 3) In-warehouse inspection: During the storage period, the cargo stacks and the environment inside and outside the warehouse should be inspected once after work and before leaving get off work every day. Check the inventory items regularly every three months. 4) Temperature and humidity management: The warehouse should be sealed, and ventilation and moisture absorption should be carried out in summer to control the warehouse temperature not exceeding 30℃ and the relative humidity not exceeding 80%. However, lime blocks and dehumidifiers should not be used in the warehouse for dehumidification. Calcium fluoride can be used. 5) Safe operation: The handling operators should wear work clothes, gloves, and soft-soled shoes. Iron nails should not be nailed on the shoes. Pay attention to loading and unloading gently during handling. It is forbidden to drop or hit. The tools used should be made of copper or copper alloy. 6) Storage period: 1 year.
Precautions: In case of fire, mist water can be used, and sand and soil can be pressed. B1.9 Product name: trinitrophenol
No.: 11057
Other name: picric acid, yellow explosive
Chemical formula: (NO, CH, OH
Molecular weight: 229.11
Characteristics: Yellow needle-shaped or block crystals, odorless, extremely bitter, difficult to dissolve in water, soluble in hot water, alcohol, benzene, ether, acidic in aqueous solution, relative density 1.763 melting point 122 boiling point 7300℃ explosion: flash point 150℃ autoignition point 300℃ explosion heat 5025kJ/kg explosion velocity 7350m/s, explosion gas volume .610L/kg1 explosion temperature 3000~3200C. Thick or heavy metal oxides are prone to react to form salts. Various metal salts are relatively sensitive and can explode violently when subjected to vibration, impact, or mixing, especially iron picrate and lead picrate. Picric acid easily generates irritating and toxic nitrogen oxides after combustion. It is toxic and its aqueous solution can cause skin blisters. Used for packaging explosives, medicines, and reagents: bottled reagents should contain more than 35% water as a stabilizer, tightly sealed, and then packed into 1.5mm thick wooden boxes, with a net weight of no more than 20kg per box. For industrial use, it can be packed into four layers of tough thick paper bags and packed into sturdy wooden boxes. The box board thickness is not less than 15mm, and the net weight of each box does not exceed 25kg.
GB 15603—1995
Storage conditions: Storage 1 A cool and ventilated dedicated warehouse, away from fire and heat sources. The lighting facilities in the warehouse should be explosion-proof, and the switch should be set outside the warehouse. It should be stored separately from detonating equipment, black gunpowder and various chemical hazardous materials. The hydrated picric acid should be well protected from freezing in the northern winter, and the warehouse temperature should be controlled above 0
Maintenance,
1) Acceptance by personnel: Check whether the packaging meets the requirements, whether the packaging is complete, and whether the stabilizer is sufficient. 2) Stacking and padding: It is advisable to stack small stacks, the stack height should not exceed 2m, the stack distance is 80~90cm, and the distance from the wall and column is 30~50cm. 3) Inspection in the warehouse: During the busy storage period, a check should be carried out after work and before leaving get off work every day, and a regular inspection should be carried out every two months. If the stabilizer is insufficient, it can be added in time.
4) Overflow humidity management The warehouse temperature should be controlled above 0C in winter. 5) Safe operation: Handle with care at the operation site, and do not drop, hit or drag without authorization. 6) Arm protection period: 1 to 2 years.
Note: Water can be used in case of fire.
B1.10 Product name: Ammonium nitrate explosive
Number: 11084
Features: This product is a mixture of sodium nitrate and TNT explosives. Its mechanical sensitivity is greater than that of TNT explosives. The explosion point is 250 to 320°C, and the explosion velocity is 4 700 ~-6 000 m/s
Packing: Put into 2-3 layers of paper rolls, then wrap with two layers of paper and make a middle package, or use one layer of plastic bag and one layer of packaging paper to make a middle package, then tie several middle packages or large packages firmly and put them into good quality sacks or wooden boxes with a thickness of not less than 12mm. The net weight of each box shall not exceed 35kg
Storage conditions: This should be stored in a special warehouse with good ventilation and dryness, avoid direct sunlight, away from fire and heat sources, the warehouse temperature should not exceed 30℃, the relative humidity should not exceed 80%, and the warehouse should use explosion-proof switches, which should be set outside the warehouse and isolated from detonating equipment, black gunpowder and other chemical hazardous materials.
Maintenance:
1) Warehouse acceptance: Check whether the packaging is complete, whether there is any contamination, whether the inner packaging items are damp, melted, broken or leaked, etc., and keep records.
2) Stacking pad: The bottom of the cargo stack should be raised by 15~30cm, and it is advisable to stack it into small stacks, with a height of no more than 2m and a distance of 80~90cm. 3) In-warehouse inspection: During the storage period, the custodian should check the cargo stack and the environment inside and outside the warehouse once every day after work and before leaving get off work. During the plum rain season, it should be checked regularly once a month, and once every three months in other seasons, mainly to check whether there is moisture absorption and melting. 4) Temperature and humidity management: The warehouse should be strictly sealed during the plum rain season, and the warehouse temperature should be controlled not to exceed 30℃ by combining ventilation and moisture absorption. The cabinet humidity should not exceed 80%. However, only boxed lime blocks are allowed to be kept away from cargo stacks for moisture absorption in the warehouse, and dehumidifiers are prohibited. 5) Safe operation: Be careful to handle with care during operation and handling, and do not drop, shake or hit. The tools used should be made of copper or copper alloy. 6) Storage period: 1 year.
Precautions: Use mist water in case of fire, and do not use sand to cover. B1.11 Product name Black powder products
No.: 11096
Features: Black granular powder + It is a mixture of potassium nitrate, sulfur and carbon powder. It is easy to absorb moisture. After absorbing moisture, the explosion effect is reduced. Explosion point: 270~300C, the maximum explosion speed is 500m/s. The volume of explosive gas is 280cm/g. The flame temperature is 2500℃. It is easy to cause combustion and explosion when encountering open flames, high temperatures, impacts, and friction. There is black smoke when it explodes. The explosion energy is smaller than other explosives. It is a low-level explosive and is generally not deteriorated. It is used to make fuses, fireworks, bamboo shoots, and bullets.
Packaging: packed in plastic bags or iron boxes, and then packed in solid wooden boxes. The thickness of the box board is more than 15mm. The net weight of each package does not exceed 75kg.
Default storage conditions: Stored in a special warehouse for black gunpowder, the warehouse is required to be dry, cool, ventilated, the warehouse temperature does not exceed 30 degrees, the relative humidity does not exceed 80%, away from fire and heat sources, the temperature cannot exceed 35, and it is stored separately from other flammable and explosive materials, flammable materials and chemical hazardous materials. 1.6
Maintenance:
GB15603—1995
1) Warehouse acceptance: whether the packaging is complete, whether there is damage, leakage, rain, water flooding, pollution 2) Stacking whether to pad: the cargo should be padded 15~30cm, the stack height should not exceed 2m, the stack distance is 80~90cm + wall distance, column distance 30~50cm. 3) Warehouse inspection: During the storage period, insist on two inspections a day, spring, summer, and winter. Regular inspections are insisted. 4) Temperature and humidity management: The warehouse is required to be kept dry, and the relative humidity in the warehouse in summer does not exceed 85%; when the relative humidity is large, lime moisture absorption method can be used, and electric dehumidifiers are prohibited.
5) Safe operation: Wear work clothes at the operation site, do not wear shoes with nails, handle with care when transporting, do not hit or drag the package. 6) Storage period: 1 to 2 years.
Precautions: Water can be used in case of fire, and sand and soil are prohibited. B1.12 Product name: Fuse
No.: 13001
Features: With black powder as the core, the outer layer is wrapped with cotton wool, and its appearance is like a cotton rope made into a roll, each roll is 50m long, can be ignited by open flames and electric sparks, and the burning speed is about 1cm/s. The nature is unstable, and it can cause combustion by mechanical effects such as violent impact or friction. Packing: The interface of the fuse should be sealed tightly to prevent leakage. Every four rolls should be packed in a plastic bag, and the mouth should be sealed or tied tightly, and packed in an outer packaging wooden box, carton or sturdy basket. The wooden box should have a box strap and handles at both ends. The package should have the product name, quantity, gross weight, production date, batch number, and words such as fire prevention, moisture-proof, explosives, and handle with care. The net weight of each package shall not exceed 50kg. Storage conditions: Store in a dry and ventilated warehouse, away from fire and heat sources, avoid direct moonlight, and the warehouse temperature shall not exceed 35℃. It should be stored separately from other explosives, flammables and all chemical hazardous goods. Protection:
1) Acceptance in warehouse: Check whether the packaging is intact, whether there is any damage, leakage, water immersion, pollution, etc. 2) Stacking pad: The height of the cargo stacking shall not exceed 2m, the distance between the stacks shall be 80~90cm, and the distance between the wall and the column shall be 30~50cm. 3) Inspection in warehouse: During the busy storage period, the items shall be inspected twice a day and regularly inspected every three months. 4) Temperature and humidity management: Keep dry media in the warehouse. When the relative condensation degree in the warehouse exceeds 85% during the rainy season, boxed quicklime can be used to absorb moisture. Be careful to keep away from the cargo stacks. The lime shall not leak on the ground. Use an electric dehumidifier. 5) Safe operation: The handling operators shall wear work clothes and soft-soled shoes. They shall be handled with care during handling. They shall not drop, hit or roll the bags. 6) Warranty period: 1~2 years.
Precautions: Fire can be extinguished with water, and sand and soil pressure is prohibited. K1.13 Product name: Display shells
Number: 13056
Features: Mixed with flammable metal salts or oxides as raw materials, can cause explosions, and have a long burning time. Its ignition point is often above 250℃. It is sensitive to flames and mechanical effects. It is dangerous to burn and explode at a temperature above 50℃ or in contact with open flames, vibrations, or scratches.
Packaging: Display shells are packaged with moisture-proof paper and wooden boxes with a thickness of 18~20mm. The boxes are firmly stuffed and cannot be moved. The net weight of each box does not exceed 66kg.
Storage conditions: Store in a cool and dry special warehouse, away from fire and heat sources, avoid direct sunlight, the warehouse temperature should not exceed 30℃, the relative degree of contamination should be below 75%, and it should be stored separately from other dangerous goods. Maintenance:
1) Check whether the packaging is intact during the warehouse acceptance, and whether there are abnormal phenomena such as lint, water, pollution, and moisture. 2) Stacking pad: The bottom of the cargo pile should be raised by 15~30cm, and the stack should be small, with a height of no more than 2m and a distance of 30~50cm between the wall and the column. 3) Warehouse inspection: During storage, the system of two inspections per day should be adhered to, and items and packaging should be regularly inspected every three months. 4) Temperature and humidity management: The warehouse should be sealed and ventilated regularly to combine moisture absorption to control the temperature of the warehouse not exceeding 30℃ and the relative humidity not exceeding 75%. 5) Safe operation: Be careful to handle and place with care, and do not drop, shake or collide. 6) Storage period: 1 year.
GB15603—1995
Precautions: Fire can be extinguished with mist ice, and it is forbidden to cover with sand and soil. B2 Class 2 Compressed and liquefied gases
B2. 1 Product name: Hydrogen
No.: 21001
Chemical formula: H.
Molecular weight: 2.0162
Characteristics: Colorless and odorless gas, very slightly soluble in water, ethanol, and ether. Non-toxic and non-corrosive, very easy to burn, emitting a blue flame and explosion when burning, the combustion temperature can reach 2000℃, the flame temperature of oxygen-oxygen mixed combustion can reach 2100~2500℃, and it can cause violent reactions with ammonia, chlorine, etc. Relative density 0.0899; ignition point -252.8T * melting point · 259.18℃; air pressure at -211℃ is 10 atmospheres; critical temperature -239T, critical pressure 1297kPa + autoignition point 400C; explosion limit 4.1% ~ 74.2%, maximum explosion pressure 740kPa, maximum explosion pressure concentration 32.3%, minimum ignition energy 0.019ml. Packaging: Pressure-resistant steel cylinders should be used. The outer surface of the cylinder is painted dark green and marked with the word "hydrogen" in red. Storage conditions: Store in a cool and ventilated warehouse where sparks are not easy to occur on the ground, away from fire and heat sources, avoid direct sunlight. Prevent rain and water, store separately from oxygen, compressed air, fluorine, chlorine, etc., and store separately from other chemical agents. The warehouse temperature should be kept below 30℃ and the relative humidity should not exceed 80%.
Maintenance,
1) Warehouse acceptance: check the product name, check the bottle inspection date, check each bottle for safety caps and shockproof rubber rings, and check whether there is oil leakage at the air valve. 2) Stacking pad: Place the bottles upright in a solid wooden box to prevent tipping. If placed flat, the bottle mouths should be arranged in sequence, with a pad height of 10~15cm, and a stack height of 1~4 layers. The stack distance is 80~90 cm, and the wall and column distance is 30~~50 cm. 3》Check in the warehouse, check the environment inside and outside the warehouse before and after get off work every day, and conduct a quality inspection every three months. 4) Temperature and humidity management: In hot seasons, the warehouse should be sealed and ventilated and hygroscopic according to temperature changes to control the warehouse temperature not exceeding 30 and the relative humidity not exceeding 80%. Night operations can be carried out. 5) Safe operation, loading and unloading should be careful to load and unload gently, and no throwing, collision or rolling on the ground is allowed. 6) Warranty period: 1 year.
Precautions: Water and carbon dioxide can be used in case of fire. B2.2 Product name: Methane (liquefied)
No. 21008
Other name: liquefied methane
Chemical weapon: CH.
Molecular weight: 16
Characteristics: colorless, odorless, non-toxic, slightly soluble in water. Flammable, ignition point 537℃. Can form explosive mixture with air, explosion limit 5% to 15%.
Packaging + steel cylinder
Storage conditions: Store in a light-shielded and ventilated warehouse, away from fire and heat sources, and separate from other chemical hazardous materials, especially flammables, explosives, oxidants, etc.
Maintenance:
1) Warehouse acceptance: Check whether the steel cylinder has a valid period, safety seal, and shockproof rubber ring, and whether it is leaking. Check whether the wooden box packaging is complete and firm, and whether the bottle is broken.
2) Stacking pads: Place them upright on a special wooden frame, with valves in the same direction when leveling. The bottom height of the stack is 10-15cm, and the stacking is 1-4 layers. The distance between wooden boxes should not exceed 2m. The stacking distance is 50cm, and the distance between the wall and the column is 40cm. 3) Inspection in the warehouse: Check once every shift change, and check once every quarter and weigh. 4) Temperature and humidity management: The warehouse temperature should not exceed 30℃ and the relative humidity should be lower than 80%. 45813 Product name: Display shells
No.: 13056
Features: Mixed with flammable metal salts or oxides as raw materials, can cause explosions, and have a long burning time. Its ignition point is often above 250℃. It is sensitive to flames and mechanical effects. It is dangerous to burn and explode at a temperature above 50℃ or when it comes into contact with open flames, vibrations, or scratches.
Packaging: Display shells are packaged with moisture-proof paper and wooden boxes with a thickness of 18~20mm. The boxes are firmly stuffed and cannot be moved. The net weight of each box does not exceed 66kg.
Storage conditions: Store in a cool and dry special warehouse, away from fire and heat sources, avoid direct sunlight, the warehouse temperature should not exceed 30℃, the relative degree of contamination should be below 75%, and it should be stored separately from other dangerous goods. Maintenance:
1) Check whether the packaging is intact during the warehouse acceptance, and whether there are abnormal phenomena such as lint, water, pollution, and moisture. 2) Stacking pad: The bottom of the cargo pile should be raised by 15~30cm, and the stack should be small, with a height of no more than 2m and a distance of 30~50cm between the wall and the column. 3) Warehouse inspection: During storage, the system of two inspections per day should be adhered to, and items and packaging should be regularly inspected every three months. 4) Temperature and humidity management: The warehouse should be sealed and ventilated regularly to combine moisture absorption to control the temperature of the warehouse not exceeding 30℃ and the relative humidity not exceeding 75%. 5) Safe operation: Be careful to handle and place with care, and do not drop, shake or collide. 6) Storage period: 1 year.
GB15603—1995
Precautions: Fire can be extinguished with mist ice, and it is forbidden to cover with sand and soil. B2 Class 2 Compressed and liquefied gases
B2. 1 Product name: Hydrogen
No.: 21001
Chemical formula: H.
Molecular weight: 2.0162
Characteristics: Colorless and odorless gas, very slightly soluble in water, ethanol, and ether. Non-toxic and non-corrosive, very easy to burn, emitting a blue flame and explosion when burning, the combustion temperature can reach 2000℃, the flame temperature of oxygen-oxygen mixed combustion can reach 2100~2500℃, and it can cause violent reactions with ammonia, chlorine, etc. Relative density 0.0899; ignition point -252.8T * melting point · 259.18℃; air pressure at -211℃ is 10 atmospheres; critical temperature -239T, critical pressure 1297kPa + autoignition point 400C; explosion limit 4.1% ~ 74.2%, maximum explosion pressure 740kPa, maximum explosion pressure concentration 32.3%, minimum ignition energy 0.019ml. Packaging: Pressure-resistant steel cylinders should be used. The outer surface of the cylinder is painted dark green and marked with the word "hydrogen" in red. Storage conditions: Store in a cool and ventilated warehouse where sparks are not easy to occur on the ground, away from fire and heat sources, avoid direct sunlight. Prevent rain and water, store separately from oxygen, compressed air, fluorine, chlorine, etc., and store separately from other chemical agents. The warehouse temperature should be kept below 30℃ and the relative humidity should not exceed 80%.
Maintenance,
1) Warehouse acceptance: check the product name, check the bottle inspection date, check each bottle for safety caps and shockproof rubber rings, and check whether there is oil leakage at the air valve. 2) Stacking pad: Place the bottles upright in a solid wooden box to prevent tipping. If placed flat, the bottle mouths should be arranged in sequence, with a pad height of 10~15cm, and a stack height of 1~4 layers. The stack distance is 80~90 cm, and the wall and column distance is 30~~50 cm. 3》Check in the warehouse, check the environment inside and outside the warehouse before and after get off work every day, and conduct a quality inspection every three months. 4) Temperature and humidity management: In hot seasons, the warehouse should be sealed and ventilated and hygroscopic according to temperature changes to control the warehouse temperature not exceeding 30 and the relative humidity not exceeding 80%. Night operations can be carried out. 5) Safe operation, loading and unloading should be careful to load and unload gently, and no throwing, collision or rolling on the ground is allowed. 6) Warranty period: 1 year.
Precautions: Water and carbon dioxide can be used in case of fire. B2.2 Product name: Methane (liquefied)
No. 21008
Other name: liquefied methane
Chemical weapon: CH.
Molecular weight: 16
Characteristics: colorless, odorless, non-toxic, slightly soluble in water. Flammable, ignition point 537℃. Can form explosive mixture with air, explosion limit 5% to 15%.
Packaging + steel cylinder
Storage conditions: Store in a light-shielded and ventilated warehouse, away from fire and heat sources, and separate from other chemical hazardous materials, especially flammables, explosives, oxidants, etc.
Maintenance:
1) Warehouse acceptance: Check whether the steel cylinder has a valid period, safety seal, and shockproof rubber ring, and whether it is leaking. Check whether the wooden box packaging is complete and firm, and whether the bottle is broken.
2) Stacking pads: Place them upright on a special wooden frame, with valves in the same direction when leveling. The bottom height of the stack is 10-15cm, and the stacking is 1-4 layers. The distance between wooden boxes should not exceed 2m. The stacking distance is 50cm, and the distance between the wall and the column is 40cm. 3) Inspection in the warehouse: Check once every shift change, and check once every quarter and weigh. 4) Temperature and humidity management: The warehouse temperature should not exceed 30℃ and the relative humidity should be lower than 80%. 45813 Product name: Display shells
No.: 13056
Features: Mixed with flammable metal salts or oxides as raw materials, can cause explosions, and have a long burning time. Its ignition point is often above 250℃. It is sensitive to flames and mechanical effects. It is dangerous to burn and explode at a temperature above 50℃ or when it comes into contact with open flames, vibrations, or scratches.
Packaging: Display shells are packaged with moisture-proof paper and wooden boxes with a thickness of 18~20mm. The boxes are firmly stuffed and cannot be moved. The net weight of each box does not exceed 66kg.
Storage conditions: Store in a cool and dry special warehouse, away from fire and heat sources, avoid direct sunlight, the warehouse temperature should not exceed 30℃, the relative degree of contamination should be below 75%, and it should be stored separately from other dangerous goods. Maintenance:
1) Check whether the packaging is intact during the warehouse acceptance, and whether there are abnormal phenomena such as lint, water, pollution, and moisture. 2) Stacking pad: The bottom of the cargo pile should be raised by 15~30cm, and the stack should be small, with a height of no more than 2m and a distance of 30~50cm between the wall and the column. 3) Warehouse inspection: During storage, the system of two inspections per day should be adhered to, and items and packaging should be regularly inspected every three months. 4) Temperature and humidity management: The warehouse should be sealed and ventilated regularly to combine moisture absorption to control the temperature of the warehouse not exceeding 30℃ and the relative humidity not exceeding 75%. 5) Safe operation: Be careful to handle and place with care, and do not drop, shake or collide. 6) Storage period: 1 year.
GB15603—1995
Precautions: Fire can be extinguished with mist ice, and it is forbidden to cover with sand and soil. B2 Class 2 Compressed and liquefied gases
B2. 1 Product name: Hydrogen
No.: 21001
Chemical formula: H.
Molecular weight: 2.0162
Characteristics: Colorless and odorless gas, very slightly soluble in water, ethanol, and ether. Non-toxic and non-corrosive, very easy to burn, emitting a blue flame and explosion when burning, the combustion temperature can reach 2000℃, the flame temperature of oxygen-oxygen mixed combustion can reach 2100~2500℃, and it can cause violent reactions with ammonia, chlorine, etc. Relative density 0.0899; ignition point -252.8T * melting point · 259.18℃; air pressure at -211℃ is 10 atmospheres; critical temperature -239T, critical pressure 1297kPa + autoignition point 400C; explosion limit 4.1% ~ 74.2%, maximum explosion pressure 740kPa, maximum explosion pressure concentration 32.3%, minimum ignition energy 0.019ml. Packaging: Pressure-resistant steel cylinders should be used. The outer surface of the cylinder is painted dark green and marked with the word "hydrogen" in red. Storage conditions: Store in a cool and ventilated warehouse where sparks are not easy to occur on the ground, away from fire and heat sources, avoid direct sunlight. Prevent rain and water, store separately from oxygen, compressed air, fluorine, chlorine, etc., and store separately from other chemical agents. The warehouse temperature should be kept below 30℃ and the relative humidity should not exceed 80%.
Maintenance,
1) Warehouse acceptance: check the product name, check the bottle inspection date, check each bottle for safety caps and shockproof rubber rings, and check whether there is oil leakage at the air valve. 2) Stacking pad: Place the bottles upright in a solid wooden box to prevent tipping. If placed flat, the bottle mouths should be arranged in sequence, with a pad height of 10~15cm, and a stack height of 1~4 layers. The stack distance is 80~90 cm, and the wall and column distance is 30~~50 cm. 3》Check in the warehouse, check the environment inside and outside the warehouse before and after get off work every day, and conduct a quality inspection every three months. 4) Temperature and humidity management: In hot seasons, the warehouse should be sealed and ventilated and hygroscopic according to temperature changes to control the warehouse temperature not exceeding 30 and the relative humidity not exceeding 80%. Night operations can be carried out. 5) Safe operation, loading and unloading should be careful to load and unload gently, and no throwing, collision or rolling on the ground is allowed. 6) Warranty period: 1 year.
Precautions: Water and carbon dioxide can be used in case of fire. B2.2 Product name: Methane (liquefied)
No. 21008
Other name: liquefied methane
Chemical weapon: CH.
Molecular weight: 16
Characteristics: colorless, odorless, non-toxic, slightly soluble in water. Flammable, ignition point 537℃. Can form explosive mixture with air, explosion limit 5% to 15%.
Packaging + steel cylinder
Storage conditions: Store in a light-shielded and ventilated warehouse, away from fire and heat sources, and separate from other chemical hazardous materials, especially flammables, explosives, oxidants, etc.
Maintenance:
1) Warehouse acceptance: Check whether the steel cylinder has a valid period, safety seal, and shockproof rubber ring, and whether it is leaking. Check whether the wooden box packaging is complete and firm, and whether the bottle is broken.
2) Stacking pads: Place them upright on a special wooden frame, with valves in the same direction when leveling. The bottom height of the stack is 10-15cm, and the stacking is 1-4 layers. The distance between wooden boxes should not exceed 2m. The stacking distance is 50cm, and the distance between the wall and the column is 40cm. 3) Inspection in the warehouse: Check once every shift change, and check once every quarter and weigh. 4) Temperature and humidity management: The warehouse temperature should not exceed 30℃ and the relative humidity should be lower than 80%. 458
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