Some standard content:
Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
50031—91
Norm of acetylene plant design
Norm of acetylene plant designConstruction Standard
1991—11—15
1992—07—01
State Bureau of Technical Supervision
Ministry of Construction of the People's Republic of China
Engineering Construction Standard Full-text Information System
Jointly Issued
Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
Norm of acetylene plant design
GB50031—91
Editor Department: Ministry of Machinery and Electronics Industry of the People's Republic of ChinaApproval Department: Ministry of Construction of the People's Republic of ChinaEffective Date: July
1, 1992
Engineering Construction Standard Full-text Information System||tt ||Engineering Construction Standard Full Text Information System
Notice on the Release of National Standards "Design Specifications for Oxygen Stations" and "Design Specifications for Acetylene Stations"
Construction Standards (1991] No. 816
According to the notification requirements of the State Planning Commission's [1986] No. 250 document, the "Design Specifications for Oxygen Stations" and "Design Specifications for Acetylene Stations" jointly revised by the Ministry of Machinery and Electronics Industry and relevant departments have been reviewed by relevant departments. The "Design Specifications for Oxygen Stations" GB50030-91 and "Design Specifications for Acetylene Stations" GB50031-91 are now approved as national standards and will be implemented from July 1, 1992. The original "Design Specifications for Oxygen Stations" TJ30-78 and "Design Specifications for Acetylene Stations" TJ31-78 At the same time, it shall be abolished.
This specification is managed by the Ministry of Machinery and Electronics Industry, and the specific interpretation and other work shall be undertaken by the Design and Research Institute of the Ministry of Machinery and Electronics Industry. The publication and distribution shall be organized by the Standard and Quota Research Institute of the Ministry of Construction.
Ministry of Construction of the People's Republic of China
November 15, 1991
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Revision Statement
This specification is edited by the Ministry of Machinery and Electronics Industry in accordance with the requirements of the Notice No. 250 of the State Planning Commission {1986], and is specifically revised by the Design and Research Institute of the Ministry of Machinery and Electronics Industry together with relevant units based on the "Acetylene Station Design Specification" TJ31-78 (Trial) During the revision process, the specification group conducted extensive investigations and studies, carefully summarized the experience since the implementation of the original specification, absorbed some scientific research results, and widely solicited opinions from relevant units across the country. Finally, our department reviewed and finalized it together with relevant departments. This specification is divided into nine chapters and five appendices. The main contents of this revision are: general provisions, layout of acetylene stations, selection of process equipment, process layout, architecture and structure, electrical and thermal measuring instruments, water supply, drainage and environmental protection, heating and ventilation, pipelines, etc. During the implementation of this specification, if you find that there is a need for modification or supplementation, please send your opinions and relevant information to the Design Institute of the Ministry of Machinery and Electronics Industry, No. 277 Wangfujing Street, Beijing, and copy it to the Ministry of Machinery and Electronics Industry for reference in future revisions. Ministry of Machinery and Electronics Industry
October 1990
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Appendix 1||tt| |Layout of acetylene station·
Selection of process equipment
Process layout
Architecture and structure
Electrical and thermal measuring instruments
Water supply, drainage and environmental protection
Heating and ventilation
Acetylene pipeline
Minimum clearance between overhead acetylene pipelines, pipe racks and buildings, structures, railways, roads, etc. in the plant area
: (13)
... (19)
Appendix II
Minimum clearance between overhead acetylene pipelines in factory areas and workshops and other overhead pipelines.
Appendix III
Minimum clearance between underground acetylene pipelines in factory areas and buildings, structures, etc. and other Appendix V
Glossary
Explanation of terms used in this specification
Additional explanation·
Engineering Construction Standards Full Text Information System
·(25)
Engineering Construction Standards Full Text Information System
Chapter I General
Article 1.0.1 This specification is formulated to ensure that the design of acetylene stations (including acetylene busbars) follows the national basic construction policies, adheres to comprehensive utilization, saves energy, protects the environment, and achieves safety first, advanced technology, and economic rationality. Article 1.0.2 This specification applies to the following newly built, rebuilt and expanded projects: 1. Design of acetylene stations that use calcium carbide to produce acetylene; 2. Design of acetylene busbars;
3. Design of acetylene pipelines in factory areas and workshops. This specification does not apply to the design of acetylene stations and acetylene pipelines that produce chemical raw gas.
Article 1.0.3 The design of expanded or rebuilt acetylene stations, acetylene busbars and acetylene pipelines must make full use of existing buildings, structures, equipment and pipelines. Article 1.0.4
, the gas station building, bottle filling station building, carbide slag treatment station building, carbide warehouse and carbide crushing, carbide slag pit, as well as acetylene bottle warehouse, acetone warehouse, acetylene busbars, should be classified as "A" in terms of production fire hazard. Article 1.0.5 The design of acetylene stations, acetylene bus rooms, and acetylene pipelines shall comply with the provisions of this specification and the provisions of the current relevant national standards and specifications.
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Chapter II
Layout of acetylene stations
Article 2.0.1 The layout of acetylene stations and acetylene bus rooms shall be determined based on the following requirements and after comparison of technical and economic plans: 1. Acetylene stations are strictly prohibited from being arranged in places that are easily flooded; 2. They should not be arranged in crowded areas and major traffic arteries; 3. Gaseous acetylene stations and acetylene bus rooms should be close to the main acetylene users; 4. There should be good natural ventilation;
5. There should be the possibility of expansion in the near future.
Article 2.0.2 Acetylene stations should be arranged on the upwind side of the annual minimum frequency wind direction at the air intake of the oxygen station air separation equipment.
The distance between the acetylene station and the oxygen station shall comply with the provisions of the current national standard "Design Code for Oxygen Stations".
Article 2.0.3
The fire protection distance between the calcium carbide warehouse and other buildings and structures shall comply with the provisions of the current national standard "Code for Fire Protection Design of Buildings". When the outer wall of the higher side of the calcium carbide warehouse adjacent to the gas station building is a fire wall, the fire protection distance can be appropriately reduced, but should not be less than 6m. Article 2.0.4 The distance between the outer wall of a fixed-volume storage tank with a total volume not exceeding 5m2, or a wet storage tank with a total volume not exceeding 20m2, and the gas station building or the bottling station building should not be less than 5m.
Article 2.0.5 A gaseous acetylene station or acetylene bus room with a total installed capacity or total gas transmission volume not exceeding 10m/h may be built adjacent to other production plants with a fire resistance rating of not less than Level 2, but shall meet the following requirements: 1. The adjacent wall shall be a fire wall without doors, windows or holes; the distance between the edges of doors, windows and holes on the outer walls of the production plant near the gaseous acetylene station or acetylene bus room and the edges of doors, windows and holes on the outer walls of the gaseous acetylene station or acetylene bus room, the edge of the calcium carbide slag pit and the outer wall of the outdoor acetylene equipment shall not be less than 4m. 2. It is strictly forbidden to pass any pipeline through the fire wall adjacent to the gaseous acetylene station or acetylene bus room and the production plant.
Article 2.0.6 The fire protection distance between independent acetylene cylinder warehouses and other buildings and outdoor transformer and distribution stations shall not be less than the provisions of Table 2.0.6. Fire protection distance between independent acetylene cylinder warehouses and other buildings Independent acetylene
Cylinder warehouse acetylene
≤1500
Other buildings of various fire resistance levels
First and second level
Civil buildings, outdoor transformer and distribution stations
Article 2.0.7
The gaseous acetylene station or acetylene bus room can be arranged in the same building with a fire resistance level not less than level 2 as the oxygen bus room, but they should be separated by a fire wall without doors, windows or holes.
Article 2.0.8 Calcium carbide warehouses and acetylene cylinder warehouses can be arranged in the same building with oxygen cylinder warehouses and warehouses for combustible or flammable items, but they should be separated by a fire wall without doors, windows or holes.
No. 2.0.Article 9
Acetylene stations shall be equipped with walls or fences. The net distance between the walls or fences and buildings with explosion hazards in the acetylene station, the edge of the calcium carbide slag pit and outdoor acetylene equipment shall not be less than the following provisions:
1. Solid walls (height should not be less than 2.5m) are 3.5m; 2. Hollow walls or fences are 5m.
Note: When the gaseous acetylene station is adjacent to other production plants, if the layout is difficult, the above net distance can be appropriately reduced. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Chapter 3 Selection of Process Equipment
Article 3.0.1 The design capacity of the acetylene station shall be determined according to the following principles: 1. The design capacity of the gaseous acetylene station shall be determined based on the user's maximum hourly consumption and multiplied by the simultaneous use coefficient.
2. The design capacity of the dissolved acetylene station shall be determined based on the user's overnight consumption and the day and night production time of the dissolved acetylene station. The dissolved acetylene station should be operated in two shifts. Article 3.0.2 It is strictly forbidden to use products of non-professional production and design units for acetylene generators and their main process ancillary equipment.
In an acetylene station, it is advisable to use acetylene generators of the same model, and no more than 4 units should be used.
Article 3.0.3 The model and number of acetylene compressors should be determined according to the acetylene transportation method and the design capacity of the acetylene station, but should not be less than 2 units. Article 3.0.4 A wet storage tank should be installed between the low-pressure acetylene generator and the acetylene compressor, and its effective volume should not be less than the exhaust volume of the compressor for 10 minutes. In the absence of a compressor, a wet storage tank should also be installed between the low-pressure acetylene generator and the acetylene user, and its effective volume should be determined according to the user's acetylene load. Article 3.0.5 The number of acetylene cylinders should not be less than 5 times the number of night cylinders used by the user.
Article 3.0.6
The setting of acetylene purification or drying equipment shall be determined according to the requirements of acetylene quality.
A drying device must be installed between the acetylene compressor and the acetylene filling platform. Article 3.0.7 Except for the filling platform adopting the forced cooling process, the design of the acetylene filling platform and acetylene busbar shall meet the following requirements: 1. The filling platform can be composed of three groups of filling and draining, and the number of gas cylinders connected to each group of filling and draining shall be calculated according to the following formula:
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Where N is the number of connected gas cylinders (pieces);
Q is the exhaust volume of the compressor (m/h);
Filling volume flow rate (m/h·bottle). Intermittent filling should not exceed 0.8m/h·bottle, and one-time filling should not exceed 0.6m/h·bottle. 2. The gas delivery volume flow rate of the acetylene convergence exhaust bottle should not exceed 2m/h·bottle. Article 3.0.8 Safety devices shall be installed at the following locations within the process flow of an acetylene station or acetylene bus:
1. A safety water seal must be installed between the gas main of multiple acetylene generators and each acetylene generator;
2. A safety water seal or flame arrester must be installed on the acetylene gas main connected to the factory area or the user
3. Calcium carbide water-entered low-pressure acetylene generators shall have anti-vacuum measures: 4. A flame arrester shall be installed at the outlet pipeline of the high-pressure drying device; 5. A flame arrester shall be installed on the pipeline that returns high-pressure acetylene to the low-pressure storage tank or low-pressure equipment;
6. The installation of flame arresters and valves at various locations of the acetylene filling station or acetylene bus shall be carried out in accordance with the relevant provisions of the current standard "Technical Conditions for Dissolved Acetylene Equipment"; 7. A safety water seal or flame arrester shall be installed on the gas main from the acetylene bus to the user.
Article 3.0.9 The emission or discharge of acetylene should be led to the outdoors, and the outlet pipe should be higher than the roof ridge and should not be less than 1m.
Article 3.0.10 The sewage pipe of acetylene equipment should be connected to the outdoors. Article 3.0.11
A water-immersed acetylene generator must be equipped with a nitrogen or carbon dioxide purge device with an oxygen content not exceeding 3%. Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Chapter 4
Process Layout
Article 4.0.1 Equipment such as acetylene generators and acetylene compressors must use explosion-proof electrical equipment or instruments suitable for acetylene dIcT2 (B4b) level. When conditions limit the use of electrical equipment or instruments that are not suitable for acetylene or are non-explosion-proof, they should be arranged in a separate electrical equipment room or outdoors. The electrical equipment room and the generator room or acetylene compressor room should be separated by a non-combustible wall without doors, windows or holes: when the process requires, a standard window can be set, but it should comply with the requirements of Article 5.0.9 of this Code.
The wall-penetrating part of the motor drive shaft should be equipped with a sealing device made of non-combustible materials or a gas positive pressure sealing device.
Electrical equipment arranged outdoors should have measures to prevent rain and snow. Article 4.0.2 Acetylene storage tanks should be arranged outdoors. Fixed-volume storage tanks with a total volume not exceeding 5m3 or wet storage tanks with a total volume not exceeding 20m3 can be arranged in a separate room indoors.
In cold areas, anti-freezing measures should be taken for the sinks and drain pipes of the storage tanks. Article 4.0.3 The storage capacity of acetylene in full bottles of acetylene stations should not exceed the filling capacity of three days and nights.
The storage capacity of acetylene in full bottles of acetylene in the acetylene bus room should not exceed the production demand for one day and night.
Article 4.0.4 When the storage capacity of acetylene cylinders does not exceed 500, the filling station and the gas production station can be located in the same building, but they should be separated by a fire wall. The total area of the empty bottle room and the full bottle room of the filling station should not exceed 200m2. When the storage capacity of acetylene cylinders in the filling station exceeds 500, the filling station and the gas production station should be two independent buildings.
The maximum storage capacity of full bottles in the filling station should not exceed 1,000, and the total area of the empty bottle room and the full bottle room should not exceed 400m2. Article 4.0.5 The storage capacity of independent acetylene cylinders shall be determined according to production requirements, cylinder turnover and transportation conditions, but the storage capacity of full bottle warehouses or empty bottle and full bottle warehouses shall not exceed 3,000, and they shall be separated by fire walls, and the storage capacity of each compartment shall not exceed 1,000.
Article 4.0.6 The empty bottle room and full bottle room shall be set up separately, and the filling bottle room or bus room can be connected to the full bottle room of the empty bottle room through the door opening, and each shall have independent entrances and exits. When the number of full bottles does not exceed 60, empty bottles, full bottles and bus bars can be arranged in the same room, but empty and full bottles should be stored separately; the net distance between empty bottles, full bottles and bus bars should not be less than 2m.
Article 4.0.7 The filling bottle room, bus bar room, empty bottle room and full bottle room shall have measures to prevent bottles from falling.
Article 4.0.8 The layout of the equipment or acetylene busbars of the acetylene station should be tight and reasonable, convenient for installation, maintenance and operation, and should meet the following requirements: 1. The clear distance between equipment should not be less than 1.5m; the clear distance between equipment and the wall should not be less than 1m, but the layout spacing of small equipment such as water ring acetylene compressors, water pumps, water seals, etc. can be appropriately reduced.
2. When the acetylene compressors for filling bottles are arranged in double rows, the clear width of the passage between the two rows and the clear width of the main passage between the generators should not be less than 2m. 3. The acetylene busbars should be arranged in a straight line and should not be arranged at corners; when arranged in double rows, the clear distance should not be less than 2m.
Note: When the motor drives the acetylene compressor for filling bottles through a partition wall, the clear distance between it and the wall should be determined according to the process requirements. Article 4.0.9 The clear width of the passage between the filling bottle room, the empty bottle room and the full bottle room should be determined according to the transportation method of the gas cylinder, but should not be less than 1.5m. Article 4.0.10 The storage capacity of calcium carbide in the intermediate calcium carbide storage in the gas station shall not exceed the design consumption for three days and nights, and shall not exceed 5t. Article 4.0.11 The storage capacity of acetone in the acetylene cylinder shall not exceed the capacity of one packaging barrel.
Article 4.0.12 The gas cylinder repair room shall be a separate room, except for the direct connection with the empty cylinder room.Article 2 Acetylene generators and their main process ancillary equipment are strictly prohibited from using products of non-professional production and design units.
In an acetylene station, it is advisable to use the same model of acetylene generators, and no more than 4 units should be used.
Article 3.0.3 The model and number of acetylene compressors should be determined according to the acetylene transportation method and the design capacity of the acetylene station, but should not be less than 2 units. Article 3.0.4 A wet storage tank should be installed between the low-pressure acetylene generator and the acetylene compressor, and its effective volume should not be less than the exhaust volume of the compressor for 10 minutes. In the absence of a compressor, a wet storage tank should also be installed between the low-pressure acetylene generator and the acetylene user, and its effective volume should be determined according to the acetylene load of the user. Article 3.0.5 The number of acetylene cylinders should not be less than 5 times the number of night-time gas cylinders used by the user.
Article 3.0.6
The setting of acetylene purification or drying equipment should be determined according to the requirements of acetylene quality.
A drying device must be installed between the acetylene compressor and the acetylene filling platform. Article 3.0.7 Except for the filling platform using the forced cooling process, the design of the acetylene filling platform and the acetylene busbar shall meet the following requirements: 1. The filling platform can be composed of three groups of filling and busbars. The number of gas cylinders connected to each group of filling and busbars shall be calculated according to the following formula:
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Where N is the number of connected gas cylinders (pieces);
Q is the exhaust volume of the compressor (m/h);
Filling volume flow rate (m/h·bottle). Intermittent filling should not exceed 0.8m/h·bottle, and one-time filling should not exceed 0.6m/h·bottle. 2. The gas transmission volume flow rate of the acetylene busbar exhaust cylinder should not exceed 2m/h·bottle. Article 3.0.8 Safety devices shall be installed at the following locations within the process flow of an acetylene station or acetylene bus:
1. A safety water seal must be installed between the gas main of multiple acetylene generators and each acetylene generator;
2. A safety water seal or flame arrester must be installed on the acetylene gas main connected to the factory area or the user
3. Calcium carbide water-entered low-pressure acetylene generators shall have anti-vacuum measures: 4. A flame arrester shall be installed at the outlet pipeline of the high-pressure drying device; 5. A flame arrester shall be installed on the pipeline that returns high-pressure acetylene to the low-pressure storage tank or low-pressure equipment;
6. The installation of flame arresters and valves at various locations of the acetylene filling station or acetylene bus shall be carried out in accordance with the relevant provisions of the current standard "Technical Conditions for Dissolved Acetylene Equipment"; 7. A safety water seal or flame arrester shall be installed on the gas main from the acetylene bus to the user.
Article 3.0.9 The emission or discharge of acetylene should be led to the outdoors, and the outlet pipe should be higher than the roof ridge and should not be less than 1m.
Article 3.0.10 The sewage pipe of acetylene equipment should be connected to the outdoors. Article 3.0.11
A water-immersed acetylene generator must be equipped with a nitrogen or carbon dioxide purge device with an oxygen content not exceeding 3%. Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Chapter 4
Process Layout
Article 4.0.1 Equipment such as acetylene generators and acetylene compressors must use explosion-proof electrical equipment or instruments suitable for acetylene dIcT2 (B4b) level. When conditions limit the use of electrical equipment or instruments that are not suitable for acetylene or are non-explosion-proof, they should be arranged in a separate electrical equipment room or outdoors. The electrical equipment room and the generator room or acetylene compressor room should be separated by a non-combustible wall without doors, windows or holes: when the process requires, a standard window can be set, but it should comply with the requirements of Article 5.0.9 of this Code.
The wall-penetrating part of the motor drive shaft should be equipped with a sealing device made of non-combustible materials or a gas positive pressure sealing device.
Electrical equipment arranged outdoors should have measures to prevent rain and snow. Article 4.0.2 Acetylene storage tanks should be arranged outdoors. Fixed-volume storage tanks with a total volume not exceeding 5m3 or wet storage tanks with a total volume not exceeding 20m3 can be arranged in a separate room indoors.
In cold areas, anti-freezing measures should be taken for the sinks and drain pipes of the storage tanks. Article 4.0.3 The storage capacity of acetylene in full bottles of acetylene stations should not exceed the filling capacity of three days and nights.
The storage capacity of acetylene in full bottles of acetylene in the acetylene bus room should not exceed the production demand for one day and night.
Article 4.0.4 When the storage capacity of acetylene cylinders does not exceed 500, the filling station and the gas production station can be located in the same building, but they should be separated by a fire wall. The total area of the empty bottle room and the full bottle room of the filling station should not exceed 200m2. When the storage capacity of acetylene cylinders in the filling station exceeds 500, the filling station and the gas production station should be two independent buildings.
The maximum storage capacity of full bottles in the filling station should not exceed 1,000, and the total area of the empty bottle room and the full bottle room should not exceed 400m2. Article 4.0.5 The storage capacity of independent acetylene cylinders shall be determined according to production requirements, cylinder turnover and transportation conditions, but the storage capacity of full bottle warehouses or empty bottle and full bottle warehouses shall not exceed 3,000, and they shall be separated by fire walls, and the storage capacity of each compartment shall not exceed 1,000.
Article 4.0.6 The empty bottle room and full bottle room shall be set up separately, and the filling bottle room or bus room can be connected to the full bottle room of the empty bottle room through the door opening, and each shall have independent entrances and exits. When the number of full bottles does not exceed 60, empty bottles, full bottles and bus bars can be arranged in the same room, but empty and full bottles should be stored separately; the net distance between empty bottles, full bottles and bus bars should not be less than 2m.
Article 4.0.7 The filling bottle room, bus bar room, empty bottle room and full bottle room shall have measures to prevent bottles from falling.
Article 4.0.8 The layout of the equipment or acetylene busbars of the acetylene station should be tight and reasonable, convenient for installation, maintenance and operation, and should meet the following requirements: 1. The clear distance between equipment should not be less than 1.5m; the clear distance between equipment and the wall should not be less than 1m, but the layout spacing of small equipment such as water ring acetylene compressors, water pumps, water seals, etc. can be appropriately reduced.
2. When the acetylene compressors for filling bottles are arranged in double rows, the clear width of the passage between the two rows and the clear width of the main passage between the generators should not be less than 2m. 3. The acetylene busbars should be arranged in a straight line and should not be arranged at corners; when arranged in double rows, the clear distance should not be less than 2m.
Note: When the motor drives the acetylene compressor for filling bottles through a partition wall, the clear distance between it and the wall should be determined according to the process requirements. Article 4.0.9 The clear width of the passage between the filling bottle room, the empty bottle room and the full bottle room should be determined according to the transportation method of the gas cylinder, but should not be less than 1.5m. Article 4.0.10 The storage capacity of calcium carbide in the intermediate calcium carbide storage in the gas station shall not exceed the design consumption for three days and nights, and shall not exceed 5t. Article 4.0.11 The storage capacity of acetone in the acetylene cylinder shall not exceed the capacity of one packaging barrel.
Article 4.0.12 The gas cylinder repair room shall be a separate room, except for the direct connection with the empty cylinder room.Article 2 Acetylene generators and their main process ancillary equipment are strictly prohibited from using products of non-professional production and design units.
In an acetylene station, it is advisable to use the same model of acetylene generators, and no more than 4 units should be used.
Article 3.0.3 The model and number of acetylene compressors should be determined according to the acetylene transportation method and the design capacity of the acetylene station, but should not be less than 2 units. Article 3.0.4 A wet storage tank should be installed between the low-pressure acetylene generator and the acetylene compressor, and its effective volume should not be less than the exhaust volume of the compressor for 10 minutes. In the absence of a compressor, a wet storage tank should also be installed between the low-pressure acetylene generator and the acetylene user, and its effective volume should be determined according to the acetylene load of the user. Article 3.0.5 The number of acetylene cylinders should not be less than 5 times the number of night-time gas cylinders used by the user.
Article 3.0.6
The setting of acetylene purification or drying equipment should be determined according to the requirements of acetylene quality.
A drying device must be installed between the acetylene compressor and the acetylene filling platform. Article 3.0.7 Except for the filling platform using the forced cooling process, the design of the acetylene filling platform and the acetylene busbar shall meet the following requirements: 1. The filling platform can be composed of three groups of filling and busbars. The number of gas cylinders connected to each group of filling and busbars shall be calculated according to the following formula:
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Where N is the number of connected gas cylinders (pieces);
Q is the exhaust volume of the compressor (m/h);
Filling volume flow rate (m/h·bottle). Intermittent filling should not exceed 0.8m/h·bottle, and one-time filling should not exceed 0.6m/h·bottle. 2. The gas transmission volume flow rate of the acetylene busbar exhaust cylinder should not exceed 2m/h·bottle. Article 3.0.8 Safety devices shall be installed at the following locations within the process flow of an acetylene station or acetylene bus:
1. A safety water seal must be installed between the gas main of multiple acetylene generators and each acetylene generator;
2. A safety water seal or flame arrester must be installed on the acetylene gas main connected to the factory area or the user
3. Calcium carbide water-entered low-pressure acetylene generators shall have anti-vacuum measures: 4. A flame arrester shall be installed at the outlet pipeline of the high-pressure drying device; 5. A flame arrester shall be installed on the pipeline that returns high-pressure acetylene to the low-pressure storage tank or low-pressure equipment;
6. The installation of flame arresters and valves at various locations of the acetylene filling station or acetylene bus shall be carried out in accordance with the relevant provisions of the current standard "Technical Conditions for Dissolved Acetylene Equipment"; 7. A safety water seal or flame arrester shall be installed on the gas main from the acetylene bus to the user.
Article 3.0.9 The emission or discharge of acetylene should be led to the outdoors, and the outlet pipe should be higher than the roof ridge and should not be less than 1m.
Article 3.0.10 The sewage pipe of acetylene equipment should be connected to the outdoors. Article 3.0.11
A water-immersed acetylene generator must be equipped with a nitrogen or carbon dioxide purge device with an oxygen content not exceeding 3%. Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Chapter 4
Process Layout
Article 4.0.1 Equipment such as acetylene generators and acetylene compressors must use explosion-proof electrical equipment or instruments suitable for acetylene dIcT2 (B4b) level. When conditions limit the use of electrical equipment or instruments that are not suitable for acetylene or are non-explosion-proof, they should be arranged in a separate electrical equipment room or outdoors. The electrical equipment room and the generator room or acetylene compressor room should be separated by a non-combustible wall without doors, windows or holes: when the process requires, a standard window can be set, but it should comply with the requirements of Article 5.0.9 of this Code.
The wall-penetrating part of the motor drive shaft should be equipped with a sealing device made of non-combustible materials or a gas positive pressure sealing device.
Electrical equipment arranged outdoors should have measures to prevent rain and snow. Article 4.0.2 Acetylene storage tanks should be arranged outdoors. Fixed-volume storage tanks with a total volume not exceeding 5m3 or wet storage tanks with a total volume not exceeding 20m3 can be arranged in a separate room indoors.
In cold areas, anti-freezing measures should be taken for the sinks and drain pipes of the storage tanks. Article 4.0.3 The storage capacity of acetylene in full bottles of acetylene stations should not exceed the filling capacity of three days and nights.
The storage capacity of acetylene in full bottles of acetylene in the acetylene bus room should not exceed the production demand for one day and night.
Article 4.0.4 When the storage capacity of acetylene cylinders does not exceed 500, the filling station and the gas production station can be located in the same building, but they should be separated by a fire wall. The total area of the empty bottle room and the full bottle room of the filling station should not exceed 200m2. When the storage capacity of acetylene cylinders in the filling station exceeds 500, the filling station and the gas production station should be two independent buildings.
The maximum storage capacity of full bottles in the filling station should not exceed 1,000, and the total area of the empty bottle room and the full bottle room should not exceed 400m2. Article 4.0.5 The storage capacity of independent acetylene cylinders shall be determined according to production requirements, cylinder turnover and transportation conditions, but the storage capacity of full bottle warehouses or empty bottle and full bottle warehouses shall not exceed 3,000, and they shall be separated by fire walls, and the storage capacity of each compartment shall not exceed 1,000.
Article 4.0.6 The empty bottle room and full bottle room shall be set up separately, and the filling bottle room or bus room can be connected to the full bottle room of the empty bottle room through the door opening, and each shall have independent entrances and exits. When the number of full bottles does not exceed 60, empty bottles, full bottles and bus bars can be arranged in the same room, but empty and full bottles should be stored separately; the net distance between empty bottles, full bottles and bus bars should not be less than 2m.
Article 4.0.7 The filling bottle room, bus bar room, empty bottle room and full bottle room shall have measures to prevent bottles from falling.
Article 4.0.8 The layout of the equipment or acetylene busbars of the acetylene station should be tight and reasonable, convenient for installation, maintenance and operation, and should meet the following requirements: 1. The clear distance between equipment should not be less than 1.5m; the clear distance between equipment and the wall should not be less than 1m, but the layout spacing of small equipment such as water ring acetylene compressors, water pumps, water seals, etc. can be appropriately reduced.
2. When the acetylene compressors for filling bottles are arranged in double rows, the clear width of the passage between the two rows and the clear width of the main passage between the generators should not be less than 2m. 3. The acetylene busbars should be arranged in a straight line and should not be arranged at corners; when arranged in double rows, the clear distance should not be less than 2m.
Note: When the motor drives the acetylene compressor for filling bottles through a partition wall, the clear distance between it and the wall should be determined according to the process requirements. Article 4.0.9 The clear width of the passage between the filling bottle room, the empty bottle room and the full bottle room should be determined according to the transportation method of the gas cylinder, but should not be less than 1.5m. Article 4.0.10 The storage capacity of calcium carbide in the intermediate calcium carbide storage in the gas station shall not exceed the design consumption for three days and nights, and shall not exceed 5t. Article 4.0.11 The storage capacity of acetone in the acetylene cylinder shall not exceed the capacity of one packaging barrel.
Article 4.0.12 The gas cylinder repair room shall be a separate room, except for the direct connection with the empty cylinder room.Safety devices should be installed at the following locations within the process flow of 8 acetylene stations or acetylene busbars:
1. A safety water seal must be installed between the gas main of multiple acetylene generators and each acetylene generator;
2. A safety water seal or flame arrester must be installed on the acetylene gas main connected to the factory area or the user
3. Calcium carbide water-entered low-pressure acetylene generators should have anti-vacuum measures: 4. A flame arrester should be installed at the outlet pipeline of the high-pressure drying device; 5. A flame arrester should be installed on the pipeline that returns high-pressure acetylene to the low-pressure storage tank or low-pressure equipment;
6. The installation of flame arresters and valves at various locations of the acetylene filling station or acetylene busbar should be carried out in accordance with the relevant provisions of the current standard "Technical Conditions for Dissolved Acetylene Equipment"; 7. A safety water seal or flame arrester should be installed on the gas main from the acetylene busbar to the user.
Article 3.0.9 The emission or discharge of acetylene should be led to the outdoors, and the outlet pipe should be higher than the roof ridge and should not be less than 1m.
Article 3.0.10 The sewage pipe of acetylene equipment should be connected to the outdoors. Article 3.0.11
A water-immersed acetylene generator must be equipped with a nitrogen or carbon dioxide purge device with an oxygen content not exceeding 3%. Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Chapter 4
Process Layout
Article 4.0.1 Equipment such as acetylene generators and acetylene compressors must use explosion-proof electrical equipment or instruments suitable for acetylene dIcT2 (B4b) level. When conditions limit the use of electrical equipment or instruments that are not suitable for acetylene or are non-explosion-proof, they should be arranged in a separate electrical equipment room or outdoors. The electrical equipment room and the generator room or acetylene compressor room should be separated by a non-combustible wall without doors, windows or holes: when the process requires, a standard window can be set, but it should comply with the requirements of Article 5.0.9 of this Code.
The wall-penetrating part of the motor drive shaft should be equipped with a sealing device made of non-combustible materials or a gas positive pressure sealing device.
Electrical equipment arranged outdoors should have measures to prevent rain and snow. Article 4.0.2 Acetylene storage tanks should be arranged outdoors. Fixed-volume storage tanks with a total volume not exceeding 5m3 or wet storage tanks with a total volume not exceeding 20m3 can be arranged in a separate room indoors.
In cold areas, anti-freezing measures should be taken for the sinks and drain pipes of the storage tanks. Article 4.0.3 The storage capacity of acetylene in full bottles of acetylene stations should not exceed the filling capacity of three days and nights.
The storage capacity of acetylene in full bottles of acetylene in the acetylene bus room should not exceed the production demand for one day and night.
Article 4.0.4 When the storage capacity of acetylene cylinders does not exceed 500, the filling station and the gas production station can be located in the same building, but they should be separated by a fire wall. The total area of the empty bottle room and the full bottle room of the filling station should not exceed 200m2. When the storage capacity of acetylene cylinders in the filling station exceeds 500, the filling station and the gas production station should be two independent buildings.
The maximum storage capacity of full bottles in the filling station should not exceed 1,000, and the total area of the empty bottle room and the full bottle room should not exceed 400m2. Article 4.0.5 The storage capacity of independent acetylene cylinders shall be determined according to production requirements, cylinder turnover and transportation conditions, but the storage capacity of full bottle warehouses or empty bottle and full bottle warehouses shall not exceed 3,000, and they shall be separated by fire walls, and the storage capacity of each compartment shall not exceed 1,000.
Article 4.0.6 The empty bottle room and full bottle room shall be set up separately, and the filling bottle room or bus room can be connected to the full bottle room of the empty bottle room through the door opening, and each shall have independent entrances and exits. When the number of full bottles does not exceed 60, empty bottles, full bottles and bus bars can be arranged in the same room, but empty and full bottles should be stored separately; the net distance between empty bottles, full bottles and bus bars should not be less than 2m.
Article 4.0.7 The filling bottle room, bus bar room, empty bottle room and full bottle room shall have measures to prevent bottles from falling.
Article 4.0.8 The layout of the equipment or acetylene busbars of the acetylene station should be tight and reasonable, convenient for installation, maintenance and operation, and should meet the following requirements: 1. The clear distance between equipment should not be less than 1.5m; the clear distance between equipment and the wall should not be less than 1m, but the layout spacing of small equipment such as water ring acetylene compressors, water pumps, water seals, etc. can be appropriately reduced.
2. When the acetylene compressors for filling bottles are arranged in double rows, the clear width of the passage between the two rows and the clear width of the main passage between the generators should not be less than 2m. 3. The acetylene busbars should be arranged in a straight line and should not be arranged at corners; when arranged in double rows, the clear distance should not be less than 2m.
Note: When the motor drives the acetylene compressor for filling bottles through a partition wall, the clear distance between it and the wall should be determined according to the process requirements. Article 4.0.9 The clear width of the passage between the filling bottle room, the empty bottle room and the full bottle room should be determined according to the transportation method of the gas cylinder, but should not be less than 1.5m. Article 4.0.10 The storage capacity of calcium carbide in the intermediate calcium carbide storage in the gas station shall not exceed the design consumption for three days and nights, and shall not exceed 5t. Article 4.0.11 The storage capacity of acetone in the acetylene cylinder shall not exceed the capacity of one packaging barrel.
Article 4.0.12 The gas cylinder repair room shall be a separate room, except for the direct connection with the empty cylinder room.Safety devices should be installed at the following locations within the process flow of 8 acetylene stations or acetylene busbars:
1. A safety water seal must be installed between the gas main of multiple acetylene generators and each acetylene generator;
2. A safety water seal or flame arrester must be installed on the acetylene gas main connected to the factory area or the user
3. Calcium carbide water-entered low-pressure acetylene generators should have anti-vacuum measures: 4. A flame arrester should be installed at the outlet pipeline of the high-pressure drying device; 5. A flame arrester should be installed on the pipeline that returns high-pressure acetylene to the low-pressure storage tank or low-pressure equipment;
6. The installation of flame arresters and valves at various locations of the acetylene filling station or acetylene busbar should be carried out in accordance with the relevant provisions of the current standard "Technical Conditions for Dissolved Acetylene Equipment"; 7. A safety water seal or flame arrester should be installed on the gas main from the acetylene busbar to the user.
Article 3.0.9 The emission or discharge of acetylene should be led to the outdoors, and the outlet pipe should be higher than the roof ridge and should not be less than 1m.
Article 3.0.10 The sewage pipe of acetylene equipment should be connected to the outdoors. Article 3.0.11
A water-immersed acetylene generator must be equipped with a nitrogen or carbon dioxide purge device with an oxygen content not exceeding 3%. Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Chapter 4
Process Layout
Article 4.0.1 Equipment such as acetylene generators and acetylene compressors must use explosion-proof electrical equipment or instruments suitable for acetylene dIcT2 (B4b) level. When conditions limit the use of electrical equipment or instruments that are not suitable for acetylene or are non-explosion-proof, they should be arranged in a separate electrical equipment room or outdoors. The electrical equipment room and the generator room or acetylene compressor room should be separated by a non-combustible wall without doors, windows or holes: when the process requires, a standard window can be set, but it should comply with the requirements of Article 5.0.9 of this Code.
The wall-penetrating part of the motor drive shaft should be equipped with a sealing device made of non-combustible materials or a gas positive pressure sealing device.
Electrical equipment arranged outdoors should have measures to prevent rain and snow. Article 4.0.2 Acetylene storage tanks should be arranged outdoors. Fixed-volume storage tanks with a total volume not exceeding 5m3 or wet storage tanks with a total volume not exceeding 20m3 can be arranged in a separate room indoors.
In cold areas, anti-freezing measures should be taken for the sinks and drain pipes of the storage tanks. Article 4.0.3 The storage capacity of acetylene in full bottles of acetylene stations should not exceed the filling capacity of three days and nights.
The storage capacity of acetylene in full bottles of acetylene in the acetylene bus room should not exceed the production demand for one day and night.
Article 4.0.4 When the storage capacity of acetylene cylinders does not exceed 500, the filling station and the gas production station can be located in the same building, but they should be separated by a fire wall. The total area of the empty bottle room and the full bottle room of the filling station should not exceed 200m2. When the storage capacity of acetylene cylinders in the filling station exceeds 500, the filling station and the gas production station should be two independent buildings.
The maximum storage capacity of full bottles in the filling station should not exceed 1,000, and the total area of the empty bottle room and the full bottle room should not exceed 400m2. Article 4.0.5 The storage capacity of independent acetylene cylinders shall be determined according to production requirements, cylinder turnover and transportation conditions, but the storage capacity of full bottle warehouses or empty bottle and full bottle warehouses shall not exceed 3,000, and they shall be separated by fire walls, and the storage capacity of each compartment shall not exceed 1,000.
Article 4.0.6 The empty bottle room and full bottle room shall be set up separately, and the filling bottle room or bus room can be connected to the full bottle room of the empty bottle room through the door opening, and each shall have independent entrances and exits. When the number of full bottles does not exceed 60, empty bottles, full bottles and bus bars can be arranged in the same room, but empty and full bottles should be stored separately; the net distance between empty bottles, full bottles and bus bars should not be less than 2m.
Article 4.0.7 The filling bottle room, bus bar room, empty bottle room and full bottle room shall have measures to prevent bottles from falling.
Article 4.0.8 The layout of the equipment or acetylene busbars of the acetylene station should be tight and reasonable, convenient for installation, maintenance and operation, and should meet the following requirements: 1. The clear distance between equipment should not be less than 1.5m; the clear distance between equipment and the wall should not be less than 1m, but the layout spacing of small equipment such as water ring acetylene compressors, water pumps, water seals, etc. can be appropriately reduced.
2. When the acetylene compressors for filling bottles are arranged in double rows, the clear width of the passage between the two rows and the clear width of the main passage between the generators should not be less than 2m. 3. The acetylene busbars should be arranged in a straight line and should not be arranged at corners; when arranged in double rows, the clear distance should not be less than 2m.
Note: When the motor drives the acetylene compressor for filling bottles through a partition wall, the clear distance between it and the wall should be determined according to the process requirements. Article 4.0.9 The clear width of the passage between the filling bottle room, the empty bottle room and the full bottle room should be determined according to the transportation method of the gas cylinder, but should not be less than 1.5m. Article 4.0.10 The storage capacity of calcium carbide in the intermediate calcium carbide storage in the gas station shall not exceed the design consumption for three days and nights, and shall not exceed 5t. Article 4.0.11 The storage capacity of acetone in the acetylene cylinder shall not exceed the capacity of one packaging barrel.
Article 4.0.12 The gas cylinder repair room shall be a separate room, except for the direct connection with the empty cylinder room.Article 7 The filling room, bus room, empty bottle room and full bottle room should have measures to prevent bottles from falling over.
Article 4.0.8 The layout of the equipment or acetylene bus of the acetylene station should be tight and reasonable, convenient for installation, maintenance and operation, and should meet the following requirements: 1. The net distance between equipment should not be less than 1.5m; the net distance between equipment and the wall should not be less than 1m, but the layout spacing of small equipment such as water ring acetylene compressors, water pumps, water seals, etc. can be appropriately reduced.
2. When the filling acetylene compressor is arranged in double rows, the net width of the channel between the two rows and the net width of the main channel between the generators should not be less than 2m. 3. The acetylene bus should be arranged in a straight line and shall not be arranged at a corner; when arranged in double rows, its net distance should not be less than 2m.
Note: When the filling acetylene compressor is driven by the motor partition wall, the net distance between it and the wall shall be determined according to the process requirements. Article 4.0.9 The net width of the passages between the filling room, empty bottle room and full bottle room shall be determined according to the transportation method of the gas cylinders, but should not be less than 1.5m. Article 4.0.10 The storage capacity of calcium carbide in the intermediate calcium carbide warehouse in the gas station shall not exceed the design consumption of three days and nights, and shall not exceed 5t. Article 4.0.11 At the acetone filling place of acetylene cylinders, the storage capacity of acetone shall not exceed the amount of one packaging barrel.
Article 4.0.12 The gas cylinder repair room shall be a separate room, except for the direct connection with the empty bottle room. Engineering Construction Standard Full Text Information SystemArticle 7 The filling room, bus room, empty bottle room and full bottle room should have measures to prevent bottles from falling over.
Article 4.0.8 The layout of the equipment or acetylene bus of the acetylene station should be tight and reasonable, convenient for installation, maintenance and operation, and should meet the following requirements: 1. The net distance between equipment should not be less than 1.5m; the net distance between equipment and the wall should not be less than 1m, but the layout spacing of small equipment such as water ring acetylene compressors, water pumps, water seals, etc. can be appropriately reduced. bZxz.net
2. When the filling acetylene compressor is arranged in double rows, the net width of the channel between the two rows and the net width of the main channel between the generators should not be less than 2m. 3. The acetylene bus should be arranged in a straight line and shall not be arranged at a corner; when arranged in double rows, its net distance should not be less than 2m.
Note: When the filling acetylene compressor is driven by the motor partition wall, the net distance between it and the wall shall be determined according to the process requirements. Article 4.0.9 The net width of the passages between the filling room, empty bottle room and full bottle room shall be determined according to the transportation method of the gas cylinders, but should not be less than 1.5m. Article 4.0.10 The storage capacity of calcium carbide in the intermediate calcium carbide warehouse in the gas station shall not exceed the design consumption of three days and nights, and shall not exceed 5t. Article 4.0.11 At the acetone filling place of acetylene cylinders, the storage capacity of acetone shall not exceed the amount of one packaging barrel.
Article 4.0.12 The gas cylinder repair room shall be a separate room, except for the direct connection with the empty bottle room. Engineering Construction Standard Full Text Information System
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