Some standard content:
ICS13.300; 55.140; 71.080.01 Record No. 27-1997
Chemical Industry Standard of the People's Republic of China
HG2823-1997
Trichlorofluoromethane packing steel drum
Trichlorofluoromethane packing steel drum1997-01-15 Issued
Ministry of Chemical Industry of the People's Republic of China
1997-05-01 Implementation
.HG2823-1997
This standard is the standard for disposable special packaging steel drums for trichlorofluoromethane (referred to as CFC-11 in this standard). This standard has no international standard, and no foreign advanced standards can be found for adoption. This standard is mainly formulated with reference to GB325 "Packaging Container Steel Drum" standard in terms of technology, and also adopts the relevant supporting standards of GB325, and combines the product characteristics of CFC-11 to improve the performance and quality requirements of packaging steel drums. This standard is applicable not only to the manufacture of CFC-11 packaging steel drums, but also to the circulation, use, supervision, inspection and other fields. This standard is proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the Beijing Chemical Research Institute of the Ministry of Chemical Industry. The responsible drafting units of this standard are: Linyi Barrel Factory of Shandong Industry and Trade Cooperative and Jinan Chemical Factory, and the participating drafting units are: Zigong Metal Container Factory, Zigong Fujiang Chemical Factory, Zigong Refrigerant Factory, Changshu Refrigerant General Factory, Quhua Group Fluorine Chemical Co., Ltd.
The main drafters of this standard are: Xu Fushun and Wang Yanmei. XX
1 Scope
Chemical Industry Standard of the People's Republic of China
Trichlorofluoromethane packaging steel drum
Trichlorofluoromethanepacking steel drumHG2823—1997
This standard specifies the requirements, sampling, test methods, marking, packaging, transportation and storage of CFC-11 packaging steel drums. This standard applies to the manufacture, circulation, use and supervision and inspection of packaging steel drums with a capacity of 200L for packaging CFC-11. This product is suitable for disposable packaging of CFC-11. 2 Cited standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB32591
1 Packaging container steel drums
GB2518
GB2828
Continuously hot-dip galvanized thin steel sheets and steel strips
-87 Batch inspection counting sampling procedures and sampling tables (applicable to inspection of continuous batches) GB2829-87 Periodic inspection counting sampling procedures and sampling tables (applicable to inspection of production process stability) GB/T4857.1—92 Methods for marking various parts during packaging and transport package testing GB/T 4857.5—92 Drop test method for packaging and transport packages GB4956—85
Measurement of thickness of non-magnetic coating on magnetic metal substrate Magnetic method GB11253
GB1304b
GB1325
3 Definitions and symbols
3.1 Definitions
Cold-rolled thin steel sheets and steel strips of carbon structural steel and low-alloy structural steel Packaging terms
Packaging containers
The following definitions are adopted in this standard.
Metal containersWww.bzxZ.net
Steel drum closures
Reinforcement ring: A concave or convex annular reinforcement rib processed on the barrel neck and bottom to increase the pressure resistance of the barrel top and bottom. Other terms comply with the provisions of GB13040.
3.2 Symbols
D-inner diameter;
H-inner height
L-ring rib spacing;
Lir-distance from the center of the injection port to the inside of the curling edge; L2-distance from the center of the injection port to the center of the venting port; A-ring rib height;
B-glass rib height;
Approved by the Ministry of Chemical Industry of the People's Republic of China on January 15, 1997 and implemented on May 1, 1997
bzSoeO, cOMa C-reinforcement ring height,
D, reinforcement ring diameter:
h-drum top depth;
h-drum bottom depth.
4 Requirements
4.1 Basic requirements
HG2823-1997
4.1.1 The structure and dimensions of steel drums shall comply with the provisions of Figure 1 and Table 1. X
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Breathable port!
Sealing packing
HG2823—1997
Injection population
Reinforcement ring ()
I Flanged edge, reinforcement ring
Ⅱ Ring reinforcement
Figure 1 Steel drum structure
Reinforcement ring (q)
!Only corrugation
w name
540±5
560±2
850±3
280±3
HG2823—1997
Steel drum size
415±4
The barrel body, barrel top and barrel bottom are all made of a whole thin steel plate, and splicing is not allowed. The barrel body weld is welded by resistance welding.
The barrel body adopts one of the following types:
4. 1.4. 1
With two ring ribs protruding outward;
With two ring ribs protruding outward, there are 5 to 7 corrugations between the ring ribs and the barrel top and bottom. The barrel body, barrel neck and barrel bottom are sealed with triple round curling, and the seams in the curling must be filled with sealing materials. The barrel top and barrel bottom have reinforcement rings.
One spiral injection port and one air vent closure are set on the barrel top. The inner and outer surfaces of the steel barrel are coated with a protective layer.
4.2 Performance requirements
4.2.1 Pressure value (gauge pressure) for steel barrel airtightness inspection: 4.2.1.1 The factory inspection pressure value is 50kPa, and there is no air leakage after inspection. The type inspection pressure value is 80kPa, and there is no air leakage after inspection. 4.2.1.2
4.2.2 The hydraulic pressure test pressure value (gauge pressure) of the steel drum is 350kPa, and the pressure is maintained for 5 minutes without leakage. 4.2.3 The steel drum drop test, the drop height is 1.8m, and there is no leakage after the drop. 4.3 Quality requirements 1
4.3.1 Closure assembly quality
4.3.1.1 The closure is complete, well sealed after assembly, and the interchangeability of the matching parts is guaranteed; 4.3.1.2 The height of the closure after assembly is lower than the edge of the curling edge. 4.3.2 Appearance quality of steel drums
4.3.2.1 The steel drums shall be round, free of burrs, mechanical damage, and iron arches on the curling edges; 4.3.2.2
The steel drums shall have no more than 2 concave areas, each of which shall not exceed 100cm and shall not exceed 3mm in depth; welding is not allowed on the straight seams and the top of the ring ribs of the drum body; the inside of the drum shall be clean, free of rust, slag and other impurities 4.3.3 Quality of the protective layer on the inner and outer surfaces of steel drums
Quality of the protective layer on the outer surface
Spraying white paint
The film adhesion shall not be lower than the secondary residual film thickness specified in Appendix A (Supplement) of GB325 shall not be less than 0.020mm;
The residual film shall be flat, smooth, uniform in color, and free of defects such as wrinkles and flow loss. High-strength zinc steel plate
The zinc layer thickness shall not be less than 0.010mm;
The zinc layer shall be complete and compact, and shall not have defects such as delamination and blistering. 4.3.3.2 Quality of inner surface protective layer
For spraying polyvinyl fluoride coating, two spraying and two baking processes must be adopted. The coating adhesion shall not be lower than Appendix A (supplement) of GB325; the coating thickness shall not be less than 0.020mm;
The coating shall be flat, smooth, uniform in color, without wrinkles, exposed bottom pinholes, pitting and other defects. The thickness of zinc layer shall be in accordance with the provisions of GB4956. b.
Thickness of barrel steel plate
bzSoSo,co4.4 Material requirements
HG2823—1997
4.4.1 Steel plates that meet the requirements of GB11253 or GB2518 shall be selected; other steel plates that are superior to the quality requirements of the above standards may also be selected. Sealing fillers shall be made of heat-resistant, weather-resistant, durable and solvent-resistant materials with good sealing performance and suitable for the contents. 4.4.2
The closure shall comply with the provisions of GB13251.
5Sampling
5.1 The classification of unqualified items is shown in Table 2.
Classification of unqualified items
Inspection items
Ring rib height
Ring rib spacing
Reinforcement ring height
Reinforcement ring diameter
Corrugation height
Depth of barrel top and bottom
Injection port center to ventilation center
Distance from injection port center to edge
Coating film is flat and smooth
Barrel is clean and free of impurities
Inner coating has no pinholes or pits
No mechanical damage
Round, burr-free, iron-free Tongue
No delamination or blistering of zinc layer
Coating adhesion
Closer exchangeability
Coating thickness
Zinc layer thickness
Airtightness test
Hydraulic test
Drop test
Class A failure
Class B failure
Class C failure
Standard search network SoSOOm half standard industry information free download 5.2 Factory inspection
5.2.1 The output of each shift is one inspection batch.
5.2.2 According to the normal sampling plan of GB2828 HG2823-1997
5.2.2.1 4.2.1.2 of this standard, L=S-1, AQL=2.5; 5.2.2.2 4.1, 4.3 of this standard, IL-S-3, AQL-6.55.2.3 Determination of sample unit failure
5.2.3.1 When one item of Class A is unqualified;
5.2.3.2 When one item of Class B is unqualified and more than three items of Class C are unqualified; 5.2.3.3 When two items of Class B are unqualified and the number of unqualified items of Class C is zero; 5.2.3.4 When the number of unqualified items of Class B is zero and more than four items of Class C are unqualified; 5.2.4 Determination of batches
According to 5..3 If the product is unqualified, after repair or elimination of unqualified products, double sampling can be conducted for re-inspection. If the product is still qualified, the batch is deemed unqualified. 5.3 Type inspection
5.3.1 According to the provisions of GB2829, the inspection group is formed: 5.3.1.1 4.1 and 4.3 of this standard are the first group; 4.2.1, 4.2.2 and 4.2.3 of this standard are the second to fourth groups respectively. 5.3.1.2
5.3.2 According to the single sampling plan of G2829
Group RQZ=65, DL=1, n=3, Ac=1, Re=2 Group II to Group IV RQL=30, DL=1, n=3, Ac=0, Re=1 5.3.3 Determination of unqualified sample units in the first group 5. 3.3. 1
When there is more than one unqualified item in Class B and more than two unqualified items in Class C; when there are more than two unqualified items in Class B and zero unqualified items in Class C; 5.3.3.2
When there is zero unqualified item in Class B and more than four unqualified items in Class C. 5. 3.3.3
When one unqualified item in Class A is found in the sample units from the first to the fourth group, the sample unit is deemed unqualified. 5.3.5
When all test groups are unqualified, the type inspection is deemed unqualified. 6 Test methods
6.1 Inspection of steel drums is divided into factory inspection and type inspection. 6.1.1 Factory inspection
6. 1. 1. 1
6. 1. 1.2
4.1, 4.2.2 and 4.3 of this standard are factory inspection items; 4.2.1.1 of this standard is a mandatory inspection item for each steel drum. Type inspection
6. 1.2. 1
4 (requirements) specified in this standard are type inspection items; Steel drums shall be subject to type inspection when any of the following conditions occur: New products or old products are transferred to factories for trial production and type identification; When changes in structure, materials, and processes may affect product performance; Normal production, inspection shall be conducted every six months; When production is resumed after one year of suspension;
When the national quality supervision agency proposes a type inspection requirement. 6.2 Basic dimensions
Tested with universal measuring tools.
6.3 Airtightness test
The strictness is not
bzsos.comHG2823—1997
Conducted in accordance with the provisions of Appendix B (Supplement) of GB325. 6.4 Hydraulic test
Conducted in accordance with the provisions of Appendix C (Supplement) of GB325. 6.5 Drop test
Perform according to the provisions of GB/T4857.5, and the steel drum is not subjected to humidity treatment. Fill the drum with 98% clean water, select one at each of the 5th and 6th points on the edge, and one at the 5th and 6th lines. After the drop, drill a hole at the highest position of the steel drum to balance the pressure inside and outside the drum. 6.6 Assembly quality of the closure
Perform according to the provisions of GB13251.
6.7 Quality of the inner and outer surface protective layer
Perform according to the provisions of Appendix A (Supplement) of GE325. 6.8 Appearance quality
Inspect by hand feeling, visual inspection and general measuring tools. 7 Marking, packaging, transportation and storage
7.1 Mark the name or code of the manufacturer at the appropriate position on the top of the drum;
Year and month of production;
CFd-11 packaging steel drum, single use. c
7.2 Packaging
Steel drums are packaged in containers, pallets or in a manner agreed upon with the user. 7.3 Transportation
Steel drums are thin-walled containers and should be protected from collision, fall and rolling during transportation, loading and unloading. 7.4 Storage
Steel drums should not be stacked in the open air. When stacking, there should be a cushion layer at the bottom. 7
bzsos,com3 Airtightness test
Its strictness is not
bzsos.comHG2823—1997
It is carried out according to the provisions of Appendix B (Supplement) of GB325. 6.4 Hydraulic test
It is carried out according to the provisions of Appendix C (Supplement) of GB325. 6.5 Drop test
It is carried out according to the provisions of GB/T4857.5, and the steel drum is not subjected to humidity treatment. Fill the drum with 98% clean water, select one at each of the 5th and 6th points on the edge, and one at the 5th and 6th lines. After the drop, drill a hole at the highest position of the steel drum to balance the pressure inside and outside the drum. 6.6 Assembly quality of the closure
It is carried out according to the provisions of GB13251.
6.7 The quality of the inner and outer surface protective layer
It is carried out according to the provisions of Appendix A (Supplement) of GE325. 6.8 Appearance quality
Inspect by hand, visual inspection and general measuring tools. 7 Marking, packaging, transportation and storage
7.1 Mark
the name or code of the manufacturer;
the year and month of production;
CFd-11 packaging steel drum, single use. c
7.2 Packaging
Steel drums are packaged in containers, pallets or in a manner agreed with the user. 7.3 Transportation
Steel drums are thin-walled containers. They should be protected from collision, fall and rolling during transportation, loading and unloading. 7.4 Storage
Steel drums should not be stacked in the open air. When stacking, there should be a cushion layer on the bottom. 7
bzsos,com3 Airtightness test
Its strictness is not
bzsos.comHG2823—1997
It is carried out according to the provisions of Appendix B (Supplement) of GB325. 6.4 Hydraulic test
It is carried out according to the provisions of Appendix C (Supplement) of GB325. 6.5 Drop test
It is carried out according to the provisions of GB/T4857.5, and the steel drum is not subjected to humidity treatment. Fill the drum with 98% clean water, select one at each of the 5th and 6th points on the edge, and one at the 5th and 6th lines. After the drop, drill a hole at the highest position of the steel drum to balance the pressure inside and outside the drum. 6.6 Assembly quality of the closure
It is carried out according to the provisions of GB13251.
6.7 The quality of the inner and outer surface protective layer
It is carried out according to the provisions of Appendix A (Supplement) of GE325. 6.8 Appearance quality
Inspect by hand, visual inspection and general measuring tools. 7 Marking, packaging, transportation and storage
7.1 Mark
the name or code of the manufacturer;
the year and month of production;
CFd-11 packaging steel drum, single use. c
7.2 Packaging
Steel drums are packaged in containers, pallets or in a manner agreed with the user. 7.3 Transportation
Steel drums are thin-walled containers. They should be protected from collision, fall and rolling during transportation, loading and unloading. 7.4 Storage
Steel drums should not be stacked in the open air. When stacking, there should be a cushion layer on the bottom. 7
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