This standard specifies the technical requirements, test methods, inspection rules, marking, transportation, storage, etc. of steel drums for export of calcium carbide. This standard applies to the manufacture, circulation and supervision of steel drums for export of calcium carbide. GB/T 14492-1993 Steel drums for export of calcium carbide GB/T14492-1993 Standard download decompression password: www.bzxz.net
This standard specifies the technical requirements, test methods, inspection rules, marking, transportation, storage, etc. of steel drums for export of calcium carbide. This standard applies to the manufacture, circulation and supervision of steel drums for export of calcium carbide.

National Standard of the People's Republic of China
Packing steel drum for calcium carbide for export
Packing steel drum for calcium carbide for export 1 Title and scope of application
GR/T 14492-93
This standard specifies the technical requirements, test methods, inspection rules, marking, transportation, storage, etc. of calcium carbide for export. This standard applies to the manufacture, circulation and supervision of calcium carbide for export (hereinafter referred to as steel drums). 2 Reference standards
Gl 190
Marking of dangerous goods packaging
GB912 Carbon structural steel and low alloy structural steel hot rolled thin steel plate and steel strip G 1764
Determination of paint film thickness
GB282 & Count sampling procedure and sampling table for batch inspection (applicable to inspection of continuous batches) Count sampling procedure and sampling table for periodic inspection (applicable to inspection of production process stability) CFB 282!
GB13 10 Packaging terms Metal container
Packaging container Steel drum
G113251 Packaging container Steel drum closure
G13/T4857.3 Packaging transport package static load test method GB4857.5 Packaging transport package drop test method G1312463 General technical conditions for dangerous goods transport packaging ZBA87001.1 Inspection rules for dangerous goods packaging for sea transport - general 3 terms
3.1 Nitrogen filling hole, a screw hole for filling nitrogen is set on the top of the steel drum. 3.2 Exhaust hole, a screw hole is set on the top of the steel drum for exhausting the air in the drum when filling nitrogen. 4 Technical requirements
4.1 Basic requirements:
4.1.1 The structure and dimensions of the steel drum shall comply with the provisions of Figure 1 and Table 1. 4.1.2 The barrel body, top and bottom are all made of a whole piece of thin steel plate. No splicing is allowed. 4.1.3 The barrel body is welded by resistance welding or other welding methods to ensure quality. 4.1.4 The barrel body should have two ring ribs protruding outwards, and there can be 3 to 7 corrugations between the ribs and the barrel neck and the ring ribs and the barrel bottom. 4.1.5 The barrel body, top and bottom are sealed with triple round edges, and the gaps in the roll layer must be filled with dense fillers. 4.1.6 A charging port is set in the center of the barrel neck, and its height should be lower than the depth of the barrel top. It is equipped with a barrel cover, which can meet the double rolling sealing after calcium carbide is loaded. 4.1.7 There are one ammonia filling hole and one exhaust hole symmetrically set on both sides of the charging port. The two holes are locked with the barrel top in a press-fitting manner using standard nuts. Approved by the State Bureau of Technical Supervision on June 15, 1993, and implemented on April 1, 1994
4.1.8 The outer surface shall be coated with a protective layer,
vent hole d
GB/T 14492
no rat hole d,
sanitary ring head
and the effect
tight packing
1-double-step edge
4.2 The material of the steel drum shall comply with the following provisions.
Nominal capacity
Plate thickness
Ring reinforcement spacing
Ring reinforcement height
Transverse efficiency
Barrel body, top depth
Charging port height
Oxygen-containing emulsion
Non-pores
Distance between two holes
Charging two bends diameter
Drag gate failure
GL/T 14492 93
Small size
Extreme deviation
Basic size
Limited error
4.2.1 The material of barrel body and barrel bottom shall conform to GB912 standard 8 or AY2 or similar cold magnetic structural thin steel plate, and other thin plates with performance quality not lower than that specified in the above standards may also be used. 4.2.2 The sealing filler shall be heat-resistant, anti-blocking, durable, elastic and anti-falling sealing materials with good performance and suitable for calcium carbide. 4.2.3 The coating on the outer surface of the steel drum shall be made of materials with good breaking strength, gasket and good durability. 4.3 Steel appearance quality requirements:
4.3.1 The steel drum shall be round, free of hair and mechanical damage, and the rolled edge shall have no iron tongue. 4.3.2 The concave groove of the steel drum shall not exceed two places, and the area of ​​the concave groove shall not exceed 7% of the area of ​​the barrel body. 4.3.3 The straight seam of the barrel body shall not be repaired in more than two places, and the surface of the weld pool shall be smooth. The width shall not exceed 1 times of the original weld, and the length shall not exceed 10% of the length of the straight seam. Repair welding is not allowed on the top of the ring reinforcement.
4.3.4 The side of the steel drum shall be repaired, and the weld shall be flat and even. 4.3.5 The interior of the vehicle is clean, rust-free, dust-free and dry. 4.4 Paint quality standards:
4.4.1 The paint film is smooth and uniform in color. There are no defects such as wrinkles and flow. 4.4.2 The average thickness of the paint film is not less than 0.02 mm. 4.4.3 The small mark of the speed film is 323. The 2 lines of the A standard are required. 4.5 Assembly regulations
4.5.1 Complete: The surface is smooth after assembly and the sealing performance is good. 4.5.2 The screw lock must ensure the deep groove and the exchangeability of the matching. 4.5.3 After the bad call lock is installed, the air pressure value of the performance test is 30kP. There is no leakage after 2min. 4.6 The air tightness test pressure value of the steel shot is 30kPa, and the pressure is maintained for 5min during the type inspection. The steel pile test center is 12\, and the pile is transparent and crack-free. 4.7
4.8 The height of the steel pile is 8m. The stacking test lasts for 24h. 5 Test method
5. 1 Basic size
Use general marking tools to detect.
5.2 Appearance quality
Use hand feeling, visual inspection or general measuring tools to detect. 5. 3 Bonding test
GB/T 14492-93
Let dry compressed air pass into the barrel. When the pressure inside reaches the value specified in 4.6, apply soap solution on the outside of the barrel to check whether the welds and joints are leaking.
5.4 Drop test
Inspect according to GB4857.5-the steel pile is not pre-treated for temperature and solidification. 5.4.1 Try to fill the barrel with calcium carbide or a substitute with similar physical properties to calcium carbide. 5.4.2 After the drop, the sample barrel is passed through air with a minimum value of 20kPa for air tightness test, and maintained for 2 minutes to check whether it leaks. 5.5 Stacking test
Test according to GH4857.3, and the steel barrel is not pre-treated with temperature and humidity. 5.6 Paint film thickness test
(1764 Determination.
5.7 Paint film adhesion test
Determine according to the method in Chapter A2 of Appendix A of GB325. 5.8 Airtightness test after nut assembly
Test according to the method in Figure 22 of GB13251
6 Inspection rules
6.1 Steel drums shall be inspected by the quality supervision department of the manufacturer in accordance with this standard and a certificate of conformity shall be issued. 6.2 Steel drum inspection is divided into factory inspection and type inspection. 6.2.1 Factory inspection itemsbzxz.net
Articles 4.1.4.3.4.4.4.5.4.6 of this standard are factory inspection items. 6.2.2 Type inspection items
The technical requirements specified in this standard are type inspection items. 6.3 Sampling, batching and judgment rules
6.3.1 The classification of unqualified items shall be in accordance with the rules in Table 5 of Article 7.3.1 of GB325. 6. 3. 2 6.3.2.1 Each shift is the inspection batch.
6.3.2.2 According to GB 2828, the normal sampling method is a. This standard 4.f IL-S.2.AQI,=1.5: h. This standard 1.1.4.3, 4.4, 4.5 IL=S-3.AQL=6.5. 6.3.2.3 The sample unit is judged as unqualified (according to 7.3.2.3 of GB 325). 6.3.2.4 According to 6.3.2.2, if it is unqualified, it can be resubmitted for inspection after repair or elimination of unqualified products. The strictness remains unchanged. If it is still unqualified, the batch is judged as unqualified.
6.3.3 Type inspection
6.3.3.1 This standard type inspection is in accordance with GB 325 7.2.2. 2. 6.3.3.2 Test groups are formed according to the provisions of GB 2829. a
This standard 4.6, 4.7, 4.8 are group 1 G/T14492-93
b. This standard except 4.6, 4.7, 4.8 is for the second group. 6.3.3.3 According to the sampling plan of GB2829:
H, group 1 RQL- 15, DL-1, —6. h. Group 1 RQ1=30, DL=1+m6.
6.3.3.4 If one of the sample units in Group 1 is unqualified in Category A, the sample unit is deemed unqualified. 6.3.3.5 The determination of the unqualified sample units in Group 2 shall be in accordance with the provisions of 7.3.3.3 Tea in GB325. 6.4 Product change conditions
shall be in accordance with the provisions of 7.4 in GB325.
7 Marking, transportation.Storage
7.1 Marking
7.1.1 Steel drum markings shall comply with the provisions of ZBA87001.1. 7.1.2 The markings of potassium drums shall be clearly and neatly stamped, as shown in Figure 2.1A2/YXXX/5/XX
CNxxXX xx
PI×××
7.1.3 After the drums are filled with calcium carbide, they shall be affixed with markings in accordance with the relevant provisions of GB 190 and GB 191. 7.2 Transportation
7.2.1 Steel drums are thin-walled containers. During transportation, loading and unloading, they shall be protected from collision, fall and rolling. 7.2.2 Steel drums shall be covered with cloth during transportation in winter. 7.3 Storage
7.3.1 The bottom layer of steel drums shall be padded when stacking, and rain protection measures shall be taken for outdoor stacking. 7.3.2 Drums shall be stored in a well-ventilated environment. A
Barrel top assembly structure
GB/T1.4492—93
Appendix A
Barrel top assembly
(reference part)
The barrel top consists of barrel top, barrel cover, exhaust hole and oxygen filling hole: the exhaust hole and nitrogen filling hole are respectively composed of bolts, nuts, steel round washers, sealing washers and sealing holes. See Table A1.
Sealing gasket
Sealing lining
Technical requirements
4213/$200×U.8
21/1bx2
28/11X2
The appearance and assembly plan of the barrel top are shown in Figure A.
Barrel top parts list
Will pass through the rubber
Soft plastic
Figure A1 Barrel top assembly
A2.1, 1 row of holes, standard nitrogen hole assembly structure should comply with the provisions of Figure A2. Number of plates
Electrical installation in the international
Luxury special standard parts standard
GB/T 1449293
Figure A2 Arrangement of holes for assembly
A2.1.2 The shape and size of the exhaust hole and nitrogen filling hole nut before assembly shall comply with the regulations in Figure A3. 014 -0.09
$12.310.04
Figure A8 Nut
42.1.3 The shape and size of the barrel cover shall comply with the provisions of Figure A4. 244 ±0.23
Figure A4 Drum mouth cover
A2.1.4 The drum cover should be sealed with double curling. After the calcium carbide manufacturer installs the electricity, it should be strictly sealed. The shape and size should meet the requirements of Figure A5.
CB/T 14492-93
[Figure] A5 Drum door cover sealing structure
42.1.5 The bolts, screws and steel rings used should be selected according to the standard parts: A2.1.6 The sealing gasket can be selected according to the standard M410 bolt. It is also made according to Figure 46. 621
Figure A6 Gasket
42.1.7 The shape and size of the sealing gasket should meet the requirements of Figure A7. q16
A2.2 Appearance quality regulations:
A2.2.1 The barrel cover is flat, bright and has no mechanical damage to the sealing ring after assembly
42.2.2 The bolts of the exhaust hole and the nitrogen filling hole are assembled longer than the ship mouth of the barrel body. A2.3 The basic requirements for the assembly quality of the exhaust hole and the nitrogen filling hole are shown in Article 4.5. Additional instructions:
GB14492---93
This standard is proposed by the Ministry of Chemical Industry of the People's Republic of China. This standard belongs to the Beijing Chemical Research Institute of the Ministry of Chemical Industry. This standard was jointly drafted by the Beijing Chemical Research Institute, Lanzhou Barrel Making, Buhua Company Building Materials Factory, and Baotou First Chemical Plant. The Beijing Nan Factory of the Barrel Making Branch of Zhangjiakou Xiahuayuan Calcium Carbide Factory participated in the drafting. The main drafters of the standard are Hu Yufang, Yu Shuqing, Jin Rennian Huang Suoyu, and Xu Jigang.
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