General specification for normal pressure tank body of transportation liquid dangerous goods
Some standard content:
GB18564--2001
All technical contents of this standard are mandatory. The main basis for the technical requirements of tanks for transporting flammable liquids in this standard is GB9419-1988. Other technical requirements are determined by investigating, studying, summarizing and summarizing the relevant enterprise standards and test reports of testing stations across the country. Appendix A and Appendix 3 of this standard are both suggestive appendices. This standard is proposed by the Ministry of Transport of the People's Republic of China. This standard is drafted by the Highway Department of the Ministry of Transport.
The responsible drafting units of this standard are: the Ministry of Transport Science and Technology Research Institute, China Road Transport Association, Tianjin Laiheng Technology Co., Ltd. Shanghai Chemical Goods Automobile Transport Company, Shanghai Land Transport Management Office, Tianjin Transportation Bureau Transportation Management Office, Hangzhou Special Automobile Repair Factory participated in the drafting.
The main drafters of this standard are: Guo Maowei, Zhu Zhiliang, Zhao Hecheng, Zhang Xicheng, Li Lixian, Chen Cheng, Tan Shanglin, and He Zhiqiang. 421
1 Scope
National Standard of the People's Republic of China
General Specification for Normal Pressure Tank Body of Transportation Liquid Dangerous Goods by Automobile
General Specification for Normal Pressure Tank Body of Transportation Liquid Dangerous GoodsGB 18564—2001
This standard specifies the technical requirements, inspection methods and inspection rules for normal pressure tank bodies (hereinafter referred to as tank bodies) for transportation liquid dangerous goods by automobile.
This standard is applicable to tank bodies for transportation liquid dangerous goods by automobile made of different materials suitable for the physical and chemical properties of the liquid under the conditions of normal pressure and normal temperature.
2 Referenced 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 are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB190--1990 Dangerous Goods Packaging Marking
Oil-resistant asbestos rubber sheet
GB/T 539-1995
GB/F 3181--1995
Paint film color standard
Fiber reinforced plastic Barcol hardness test method GB/T 3854- 1983
GB/T 8237-1987
GB 9419--1988
General technical conditions for liquid unsaturated polyester resin lightweight fuel tank vehicles for glass fiber reinforced plastics (FRP) GB 12268-- 1990
GB 13365--1992
GB 13392--- 1990
List of dangerous goods
Performance requirements and test methods for motor vehicle exhaust spark arresterMarking of vehicles for road transport of dangerous goods
HG/T 2183--1991
Rubber hose resistant to dilute acids and alkalis
JB/T 5943—1991
JB/T 4735---1997
General technical conditions for welded parts of engineering machinery
Steel welded atmospheric pressure vessels
JT/T 230--1995
Automobile static conductive rubber mop belt
QC/T 484-1999
3 Definitions
Automobile paint coatings
The following definitions are adopted in this standard.
3.1 Tank body
refers to a closed container assembly for loading liquid cargo, which is composed of a shell, a head, a manhole, an inlet, a discharge port, and other accessories that must be installed, and its volume is greater than 0.45m.
3.2 Metal tank body
Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on December 13, 2001 422
Implemented on March 1, 2002
GB 18564—2001
Mainly refers to a tank body made of carbon steel, acid-resistant stainless steel, aluminum or aluminum alloy plates. 3.3 Non-metallic tank body mainly refers to a tank body made of glass fiber reinforced plastic. 3.4 Normal pressure
refers to a working pressure not greater than 72kPa.
3.5 Normal atmospheric temperature means that under normal atmospheric pressure, the ambient working temperature of metal tanks is -40 to +50℃, and that of non-metal tanks is -20 to +40℃. 4 Technical conditions
4.1 Basic requirements for tanks
4.1.1 The tanks shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 4.1.2 The design of the tank volume shall fully consider the density of the liquid contained and the deadweight of the tank, and match the total mass of the vehicle. 4.1.3 Raw materials and purchased parts shall comply with the relevant standards and have the manufacturer's certificate of conformity. All parts must be inspected and qualified before assembly.
4.1.4 Rubber and plastic products shall be corrosion-resistant and oil-resistant, and their performance shall comply with the provisions of HG/T2183 and GB/T539 respectively. 4.1.5 The cross-section of the tank shall be elliptical, rectangular with arc or circular. 4.1.6 Requirements for metal tank bodies
4.1.6.1 The tank body head shall adopt a folded flat head, a dished head, or an elliptical head. Flat heads without folded edges are not allowed. 4.1.6.2 The welding between the head and the tank shall be in the form of a full-penetration butt joint. Fillet welds are not allowed. 4.1.6.3 The tank body material shall be adapted to the corrosion resistance of the liquid contained, and its corrosion rate shall not exceed 0.5mm/year. The compatibility of the tank body material and the liquid contained is shown in Appendix A (suggestive appendix). If liquids not mentioned in Appendix A are shipped, refer to similar liquids in Appendix A. 4.1.6.4 The straightness of the longitudinal element line on the surface of the tank body shall not exceed 5mm within 1m, and shall not exceed 12mm for tanks with a rated capacity of not more than 12m in the full length; and shall not exceed 15mm for tanks with a rated capacity of more than 12m2. 4.1.6.5 During assembly and docking, the distance between the longitudinal welds of adjacent cylinder segments or the distance between the end point of the head weld and the longitudinal weld of the adjacent cylinder segment shall not be less than 100 mm.
4.1.6.6 The welding and repair welding of the tank body shall comply with the provisions of JB/T4735. 4.1.6.7 There shall be no damage defects such as cracks, obvious scratches or corrosion pits on the inner and outer surfaces of the tank body, and the depth of the grinding area shall not exceed the negative deviation value of the thickness of the material used.
4.1.7 Requirements for non-metallic tank bodies
4.1.7.1 The tank body material shall comply with the provisions of GB/T8237. 4.1.7.2 The cross-section of the tank body shall be circular or elliptical. 4.1.7.3 The tank body structure shall adopt a multi-layer composite structure, consisting of an inner lining layer, a strength layer, and an outer surface layer. The inner lining layer consists of a surface layer and a sub-inner layer.
4.1.7.4 The material of the tank body should match the physical and chemical properties of the liquid it carries. The inner lining reinforcement material is surface felt, the resin content should be greater than 85%, and the thickness is 0.5mm; the secondary inner layer reinforcement material is chopped strand felt, the resin content is greater than 70%, and the thickness is 2.0~2.5mm. 4.1.7.5 The strength layer can use corrosion-resistant resin as the base material and glass fiber roving cloth. The resin content should be controlled at 30%~35% when using glass fiber winding technology; if it is handmade, the resin content should be 60%~70%. The thickness is determined according to the strength design. 4.1.7.6 The outer surface layer should use unsaturated polyester resin with excellent weather resistance as the matrix. When glass fiber surface felt or glass fiber roving cloth with a thickness of less than 0.16mm is used as the reinforcement material, the resin content should be greater than 55%, and the thickness of this layer should be 2.0~2.5mm. 4.1.7.7 The ratio of the major axis to the minor axis of the cross section of an elliptical tank shall not be greater than 2. 4.1.7.8 The head shall be an elliptical head, and its height shall be 1/4 of the minor axis of the tank cross section, but shall not be less than 250mm. 4.1.7.9 The bottom plate of the flat head shall be in arc transition with the tank body, and its radius of curvature shall not be less than 40mm. 4.1.7.10 The appearance of the tank body shall meet the following requirements: The inner surface of the tank body shall be flat and smooth, without impurities, no exposed fibers, no visible cracks, scratches, defects, whitening and stratification, etc., and the number of bubbles with a maximum diameter of 4mm in any (30×30)mm2 area shall not exceed 5. The outer surface shall be flat and smooth, without exposed fibers. No obvious bubbles or serious uneven color. 4.1.7.11 The surface Barcol hardness value of the tank body should reach 34 or above during factory inspection, and the wall thickness should meet the design requirements without negative tolerance. 4.1.8 Tank wall thickness requirements
4.1.8.1 Requirements for metal tank wall thickness
a) The minimum wall thickness of the tank made of carbon steel and stainless acid-resistant steel shall comply with the provisions of Table 1. Table 1 Minimum wall thickness of carbon steel and stainless acid-resistant steel tanks Tank design capacity/m
Rated capacity/m
Minimum wall thickness/mm
1) Corrosion addition: It consists of three parts, namely, negative deviation of steel plate (tube), corrosion allowance 2, and processing thinning amount. 2) Corrosion allowance: It is determined according to the corrosion rate of the working fluid on the component material and the design service life of the equipment. b) The minimum wall thickness of the anti-corrosion tank made of aluminum and aluminum alloy is 5mm. 4.1.8.2 The minimum wall thickness of the tank made of glass fiber reinforced plastic shall comply with the provisions of Table 2. Table 2 Minimum wall thickness of glass fiber reinforced plastic tank Volume/m
Wall thickness/mm
4.2 Pressure requirements for tanks
4.2.1 Tank assemblies for flammable liquids shall comply with the provisions of 4.16.6 of GB9419--1988. The corrosion addition\/mm
10～15
4.2.2 Metal or metal composite tank assemblies for corrosive liquids and highly toxic liquids that react violently with water shall not have leakage or permanent deformation under a pressure of 72kPa.
4.2.3 Glass fiber reinforced plastic tanks may be subjected to a 48h full water static pressure test, or an air pressure test equivalent to the static pressure of the liquid, and shall not have leakage or permanent deformation.
4.3 Tank surface paint color and marking
4.3.1 The paint quality of the tank surface shall comply with the provisions of QC/T484, and the color shall comply with the provisions of Table 3. All exposed ferrous metals shall be treated with anti-corrosion.
Table 3 Tank and color band color
Nature of cargo loaded
Tank base color
Color band color
1) According to the requirements of GB/T3181.
4.3.2 Tank marking
Flammable liquids
Silver grey (B04)1)
Pure red
Toxic liquids
Medium grey (B02)1)
Pure yellow
Corrosive liquids
Dark grey (B01)1)
a) The tank must be sprayed with a circular paint stripe along the horizontal center line to indicate the type of liquid being transported. The width of the stripe is 150mm, and 120mm for tanks below 7m2. b) Tanks containing non-flammable liquids must be sprayed with the dangerous goods packaging mark of the liquid in the center of the ribbon on both sides of the tank body. The size is 450mm×450mm. The mark should comply with the provisions of GB190. Tanks containing flammable liquids must be sprayed with the words "No fireworks" in the center of the ribbon (the ribbon is left blank here). The font height×width is 450mm×450mm, and the character spacing is 400mm. The rear head should be sprayed with the same enlarged vehicle license plate number as the vehicle.
4.4 Tank manhole and liquid injection
GB18564—2001
4.4.1 The inner diameter of the manhole shall not be less than 500mm, and the inner diameter of the injection port shall not be less than 200mm (except for closed loading and unloading). 4.4.2 The sealing gaskets of the manhole cover and the liquid injection cover shall be of Made of oil-resistant or acid-resistant and alkali-resistant rubber or corresponding corrosion-resistant materials, its performance shall comply with the provisions of HG/T2183 and GB/T539 respectively. 4.4.3 The number of fastening bolts of the manhole cover and the liquid injection door cover shall match the diameter and shall not be less than 8, and the strength shall meet the pressure-bearing requirements.
4.5 Requirements for up and down ladders and guardrails
4.5.1 The ladder shall be easy to climb and firmly connected. It should be located on the right side of the tank body, with a width of not less than 350mm and a step distance of less than 350mm. 4.5.2 Guardrails shall be installed on the operating platform on the top of the tank body. 4.6 Wave-breaking plates in the tank body
4.6.1 Horizontal wave-breaking plates shall be installed in the tank body.
4.6.2 The volume of two adjacent wave-breaking plates shall not exceed 3m2, and the volume of aluminum, aluminum alloy or non-metallic tanks shall not exceed 2m2. 4. 6.3 The effective area of each wave-breaking board shall be greater than 40% of the cross-sectional area of the tank body. The wave-breaking board shall be installed in such a way that the upper space area is less than 20% of the cross-sectional area of the tank body. Longitudinal wave-breaking boards may be installed when necessary. 4.6.4 The wave-breaking boards shall be firmly connected, not easy to fall off, and have no obvious displacement. The center lines of the holes on two adjacent wave-breaking boards shall not overlap. 4.7 Valves
4.7.1 The discharge pipe of the discharge valve shall be located at the rear end of the bottom of the tank body. If it is necessary to open a hole in the rear head of the tank body, when installing the discharge valve, the discharge pipe opening shall not exceed the rear bumper of the vehicle.
4.7.2 Hose connection is not allowed between the tank body connection pipe and the valve (except for glass fiber reinforced plastic tanks). 4.7.3 Tanks containing toxic and corrosive liquids shall use steel valves or other valves with a pressure resistance of not less than PN1.6MPa. Other special valves. The discharge valve should be a series-connected double-way valve, one of which should be a built-in valve and installed at the bottom of the tank. 4.7.4 Tanks containing flammable liquids should use non-flammable copper-aluminum alloy or stainless steel ball valves, the diameter of which should not exceed DN65mm. 4.7.5 Tanks containing highly toxic liquids should be equipped with suction or booster devices, which should be installed on the upper part of the tank. 4.7.6 The discharge port should be equipped with a plugging cover or a closed leak collector. 4.8 Tank instrumentation
The liquid level gauge, flow meter, pressure gauge, thermometer and other instruments selected on the tank should have a valid certificate of calibration. 4.9 Loading and unloading hoses
4.9.1 The nominal diameter and single-tube flow rate of the loading and unloading pipes of the tank containing flammable liquids should comply with the provisions of 4.12 of GB9419-1988. 4.9.2 The hose joints of the tanks containing flammable liquids shall comply with Article 4.22 of GB9419-1988. 4.9.3 The suction hose shall not leak when the pressure is maintained at 196kPa for 5 minutes. 4.9.4 The loading and unloading hose shall not leak when the pressure is maintained at 1.5 times the rated working pressure of the pump outlet for 5 minutes. 4.10 Vent valve
4.10.1 The tank containing volatile liquids shall be equipped with a DN60 vent valve. When the tank capacity is greater than 12m2, two DN60 vent valves must be installed. The technical performance of the vent valve shall comply with the provisions of 4.16.4 of GB9419-1988. 4.10.2 When the pressure inside the tank is 6kPa higher than the external pressure, the outlet valve shall be closed; but when it is higher than 8kPa, the outlet valve shall be opened. 4.10.3 When the pressure inside the tank is 2kPa lower than the external pressure, the air inlet valve shall be closed; but when it is lower than 3kPa, the air inlet valve shall be opened. 4.11 Tank installation
4.11.1 The offset between the longitudinal center plane of the tank and the longitudinal center plane of the vehicle chassis (or chassis) shall not exceed 6mm. 4.11.2 The tank and chassis (or chassis) shall be firmly and reliably connected, anti-loosening measures must be taken, and they shall be able to withstand vibration and impact. If welding is used, the welded parts shall comply with the provisions of JB/T5943. 4.12 Safety requirements of the tank for the whole vehicle
4.12.1 The vehicle must be equipped with no less than 2 fire extinguishers or effective fire extinguishing facilities that are suitable for the liquid carried. 4.12.2 The tank truck must be equipped with a "dangerous goods" sign light on the top of the cab and a "dangerous goods" signboard on the right side of the rear of the vehicle body, and it must comply with the provisions of GB13392.
GB 18564—2001
4.12.3 Tank trucks carrying flammable liquids must be equipped with static-conducting grounding devices and comply with the provisions of JT/T230. 4.12.4 Tank trucks should be equipped with spark arresters and comply with the provisions of GB13365. 4.12.5 The minimum distance between the pumping system of a tank carrying flammable liquids and the engine exhaust pipe shall not be less than 1.5m. 4.12.6 For tanks carrying flammable liquids, when the battery is installed under the tank, there must be a special box and cover, and they must be closed well. 4.13 Static-conducting requirements for tanks and their attached equipment 4.13.1 The resistance value of the conductive path from any point inside or outside the tank to the static-conducting rubber drag strip and the vehicle connection point shall not exceed 5Ω. 4.13.2 The resistance value of the conductive path between any two points in a metal pipeline, or from any point in the pipeline to the rubber drag strip and the vehicle connection point shall not exceed 5.
4.13.3 The resistance value of both ends of the flammable liquid loading and unloading hose shall not exceed 5Ω. 5 Inspection method
5.1 Appearance inspection
5.1.14.1.5 4.1.6.1 41.6.2, 4.1.6.7; 4.1.7.2; 4.1.7.7; 4.3.1, 4.3.2, 4.4.3, 4.5.1,4.6.1;4.6.4;4.7.1~4.7.6;4.9.1;4.10.1;4.11.2;4.12.1~4.12.4;4.12.6 Visual inspection. 5.1.24.1.1~4.1.4; 4.4.2; 4.7.3; 4.8; 4.9.2; 4.10.1 Check the relevant technical data, as well as the purchased or outsourced parts certificates or corresponding contracts.
5.1.34.1.6.4~4.1.6.7; 4.1.7.44.1.7.11;4.3.2;4.4.1;4.5.1;4.6.2;4.6.3;4.11.1;4.12.5;4.13 items shall be measured and inspected by corresponding measuring tools or instruments. 5.2 The test of static conductive device shall be carried out in accordance with JT/T230. 5.3 Tank test method
5.3.1 Tank overall leakage test
Test instrument: 2 pressure gauges with a range of 2 to 3 times the test pressure and an accuracy not less than Class 1.5, and 1 safety valve. Test gas: Generally, clean air is used. For tanks that transport flammable liquids, if the tanks have not been thoroughly cleaned, nitrogen should be used. Seal the manhole, close the injection valve, stick a piece of thin paper on each connection and valve outlet, slowly pass clean air or nitrogen into the tank from an appropriate position to make the pressure reach 36kPa\ or 72kPa2), keep the pressure for 30 minutes, apply soapy water to each closed connection, observe whether there is leakage, pressure drop, and observe whether the thin paper is blown, and observe whether there is permanent deformation after deflation. 5.3.2 Loading and unloading hose pressure test
Test instrument: 1 pressure gauge with a range of 2 to 3 times the test pressure. Test gas: clean air.
First, apply soapy water on the outside of the hose or immerse the hose completely in water, then slowly pass clean air into the hose from an appropriate position to make the pressure reach 196kPa, and observe whether there is leakage. 5.3.3 Ventilation valve performance test
Test instrument: 2 pressure gauges with a range of 2 to 3 times the test pressure and an accuracy of not less than 1.5, and 1 safety valve. Test gas: Clean air is generally used. Test on a special vent valve test bench, and the test results should meet the requirements of 4.10. 5.3.4 Tank wall thickness measurement method
Measuring instrument: Ultrasonic thickness gauge.
Measurement conditions: - Generally, the measurement is carried out on the outside of the tank. If the measurement is carried out on the inner surface, the inside of the tank must be thoroughly cleaned and replaced to make the oxygen content between 18% and 23% (volume ratio), and the combustible gas content is less than 0.5%. It is ensured that there is no irritation or toxic gas. The measurement position is up, down, left and right. Under normal circumstances, four points are measured in each direction, two of which are the front and rear head positions. In case of 1) Test the pressure of the tank for transporting flammable liquids. 2) Test the pressure of the tank for transporting corrosive and toxic liquids. 426
Add more measurement points in suspicious places.
GB 18564-2001
5.3.5 Hardness test of glass fiber reinforced plastic tank body shall be in accordance with the provisions of GB/T3854. 6 Inspection rules
6.1 Inspection categories
Tank body inspection is divided into factory inspection and periodic inspection. 6.1.1 Factory inspection
All products shall be subject to factory inspection and can only be shipped after being inspected and qualified by the quality inspection department. 6.1.2 Periodic inspection
Tank bodies and accessories for transporting liquid dangerous goods must be inspected annually. 6.2 Inspection items
All the following tests shall be completed for both periodic inspection and delivery inspection. 6.2.1 Safety inspection, test method according to 5.1.1~5.1.3 and 5.2, inspection report see Appendix B (suggested Appendix) Table B2. 6.2.2 Tank inspection, test method according to 5.1.1~5.1.3, inspection report see Appendix B Table B3. 6.2.3 Tank wall thickness determination, test method according to 5.3.4, inspection report see Appendix B Table B5. 6.2.4 Tank leakage test, test method according to 5.3.1, inspection report see Appendix B Table B3. 6.2.5 Manhole, liquid injection 1 sealing test, test method according to 5.3.1, inspection report see Appendix B Table B3. .2.6 Loading and unloading hose test, the test method is in accordance with 5.3.1 and 5.3.2. The inspection report is shown in Table B3 of Appendix B. 6.2.7 Ventilation valve performance test, the test method is in accordance with 5.3.3, and the test report is shown in Table B4 of Appendix B. 7 Marking, transportation, storage and technical documents
7.1 Tank nameplate
The content of the nameplate should include:
a) Name of the manufacturer;
b) Name of the tank;
c) The manufacturer's number for the tank product;
d) Rated capacity of the tank;
e) Net weight of the container;
f) Date of manufacture.
7.2 Tank transportation
The tank must not be damaged during transportation.
7.3 Tank storage
Tanks that need to be stored for a long time should be parked in a ventilated, moisture-proof warehouse with fire-fighting equipment after taking measures according to the relevant requirements in the product manual.
7.4 Technical documents mainly include the following contents: 7.4.1 Factory certificate.
7.4.2 Tank manual. The main contents of the tank manual include design capacity, design temperature, liquid range, etc. If the tank and the vehicle are integrated, the manual content can be added to the vehicle manual. 427
GB18564-2001
Appendix A
(Suggestive Appendix)
Compatibility of liquid dangerous goods with tank materials A1 Compatibility of liquid dangerous goods with tank materials (see Table A1). Table A1
Carbon disulfide
Petroleum crude oil
(Crude oil)
Naphtha
(Solvent oil)
Heavy benzene
Isopropyl alcohol
Ethyl acetate
Butyl acetate
Dimethylamine solution
Paraffin (heavy wax
Light wax)bZxz.net
Styrene (ethylene
Concentration/%
(GB12268)
United Nations
Carbon steel
Temperature/C
Stainless acid-resistant steel| |tt||Temperature/C
8010025
Aluminum and aluminum alloys
Temperature/C
1002550
Glass fiber reinforced plastics
Temperature/C
Isobutanol
Hydrogen peroxide
Sodium peroxide solution
Chloroformaldehyde (chlorine
Concentration/%
Acetone cyanohydrin (acetone and hydrogen cyanide)
Oleum
Waste sulfuric acid
Chlorosulfonic acid
Phosphorus trinitride||tt| |Aluminum trichloride solution
Acetic acid (glacial vinegar
Sodium hydroxide solution
40~~60
80-100
(GB12268)
100102
75～100
70~100
Sodium hydroxide (high
purity)
Sodium sulfide solution
Formaldehyde solution
Sodium hypochlorite (bleach
white water)
30～40
50～60
United Nations|| tt||GB18564—2001
Table A1 (End)
Carbon steel
Temperature/(
Stainless acid-resistant steel
Temperature/C
5080|10025
Aluminum and aluminum alloys
Temperature/(
508010025
Glass fiber reinforced plastics
Temperature/C
100/25
For explanation of symbols, see Table A2.
Metallic parts
Non-metallic parts
GB 18564—-2001
Excellent, <0.05
Good, 0. 05~~0. 5
Description (corrosion resistance, corrosion rate)
Usable, but the corrosion is serious 0.5~1.5
Not applicable, the corrosion is serious, >1.5
Good, light or no corrosion
Available, but with obvious corrosion
Not applicable, severe corrosion
mm/year
Similar materials have different corrosion resistance due to different formulas, so be careful when selecting. Appendix B
(Suggestive Appendix)
Annual inspection result registration form for atmospheric pressure tanks for dangerous goods B1
Basic vehicle inspection report See Table B1. Table B1
Tank (truck) model
Tank (truck) manufacturing unit
Factory number
Date of issuance
Date of use
Transportation category and specific gravity
Tank body dimensions
Door logo name
Original data review record
Corrective opinions and problem records
Technical (inspection) person in charge of inspection unit
Driving license number
Vehicle model
Vehicle manufacturing Manufacturing unit
Factory date
Use date
Approved vehicle load
Nameplate rated capacity
Tank material
Driving license regulations
Next inspection date
Safety inspection report see Table 132
Number of fire extinguishers
Dangerous goods sign light
Dangerous goods sign
There is a "No fireworks" sign on the tank
The distance between the engine exhaust pipe and the tank and the oil pump system is GB 18564—2001
One in the center of the cab top
One on the right side of the rear of the vehicle
Both sides of the tank
Left front of the cab>1.5m
Resistance between any two points in the metal pipe or any point to the ground line to the end of the ground
Resistance of the conductive path of the conductive parts of the tank and the end of the mopping tape Loading and unloading hose
Spark extinguisher
Battery box
Level gauge, pressure gauge
Valve box
Inspector:
See Table B33 for the tank inspection report
Inspection items
Paint, ribbon and logo on the surface of the tank
Enlarged license plate number on the rear cover of the tank
Tank guardrail
Wave-breaking baffle inside the tank||t t||Ladders up and down the tank
Manhole and manhole cover
Injection port
Fixed connection between tank and frame
Leakage of tank assembly
Loading and unloading hose
Diameter and number of oil drain pipes
Whether there are self-opening holes and modified parts on the tank
Conductive copper wire
Special joint
1, good
Closed and intact
Appearance intact
Closed tightly, no debris in the box
No external leakage
No external leakage
Discharging valve
Inspection items
Emergency shut-off device (built-in valve)
Inspection standard:
Inspector:
See Table B4 for the test report of vent valve.
Test description
Tester:
Test content
GB 18564—2001
Table B3 (end)
Opening pressure of outlet valve
Closing pressure of outlet valve
Opening pressure of inlet valve
Closing pressure of inlet valve
1. If the vent valve is broken, replace it with a new one (
2. The vent valve is tested to the specified value of the opening pressure of the exhaust valve and the inlet valve (sum
Nominal diameter
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