Some standard content:
ICS7L.100.20
J76
JB
Machinery Industry Standard of the People's Republic of China
JB/T6897-2000
Cryogenic liquid transport vehicle
Cryogenicliquidroadtankers
Released on 2000-08-31
National Machinery Industry Bureau
Released
Implemented on 2000-12-01
JB/T 6897—2000| |tt||Foreword
This standard is a revision of JB/T6897-93 "Cryogenic Liquid Tank Truck". Compared with JB/T6897--93, the main technical content of this standard has changed as follows: According to GB/T173501998 "Special-purpose Vehicles and Special-purpose Semi-trailers Terms and Codes", the standard name is changed to "Cryogenic Liquid Transport Vehicle": Chapter 1 has been modified Scope of application in: Change "This standard is applicable to various stereotyped automobile chassis modifications..." to "This standard is applicable to vacuum powder insulated low-temperature liquid road transport vehicles modified from stereotyped automobile chassis and modified with special trailer chassis "Road Transport Semi-trailer", added the provision that "vacuum powder insulated liquid carbon dioxide transport vehicles can be implemented as a reference": - Chapter 2 cited standards, added "Safety Supervision Regulations for Liquefied Gas Tank Trucks", JB4730-1994 "Pressure Vessels" Non-destructive testing", canceled GB332387 "Steel Fusion Welded Butt Joint Radiography and Quality Classification": - Added 20000L specification parameters to Table 1, canceled 300L specification parameters and modified some contents in Chapter 6:
6.1.2 "The modified tank truck chassis must be a product that has passed the finalization and inspection, and should have a product qualification certificate" is changed to "The chassis of the transport truck should be selected from the automotive product catalog jointly announced by China Automobile Industry Corporation and the Ministry of Public Security. "Car chassis and imported car chassis"; 6.1.6\There should be protective railings on both sides of the tanker. Modify to "The side guardrails and rear lower safety protection devices of the transport vehicle should comply with the regulations of GB11567\;bZxz.net
6.1. 8"... After the extension, the rear suspension of the vehicle should comply with the regulations of GB7258.\, add the requirement of compliance with the "Vehicle Regulations", and remove "Each plane of the extended part should be in the same plane as the corresponding plane of the original frame longitudinal beam. "; 6.2.5 canceled GB3323 and revised the reference to JB4730; 6.3.2 "The outer surface of the tank car storage tank should be painted with milky white paint, and a red ribbon with a width of not less than 150mm should be painted along the horizontal center line of both sides of the tank... .." was revised to "The color and markings of the transport vehicle tank body shall be in accordance with the "Vehicle Regulations" and drawings"; 6.5 "18 months from the date of shipment by the manufacturer" was revised to "12 months\," and "driving" was added "The cumulative mileage does not exceed 50,000km" provision:
7.2 Cancel the provision of "Operational Stability Test"; Part of the content modified in Chapter 8:
Table 3 inspection items, cancel "Operational Stability Test" "Test" regulations: 8.2 Spot check inspection "When finalized products are produced in batches, random inspections and inspections shall be carried out in accordance with the provisions of ZBT50002..." is changed to "When finalized products are produced in batches, special vehicles with an annual output of more than 10 units shall be randomly inspected and inspected, at least Conducted once a year, at least one vehicle at a time\; add 8.4 periodic inspection;
-9.1 According to the "Vehicle Regulations", an "engine power" item is added to the nameplate, and the "tank truck model and name" is changed. "Model and name of automobile tanker;
Added to 9.3.1" and shall comply with the relevant provisions of JB6898. This standard shall replace JB/T6897-93 from the date of implementation. The Standardization Technical Committee proposed and coordinated. This standard was drafted by: April Air Separation Equipment (Group) Co., Ltd. The main drafters of this standard: Ji Honghua and Hui Xingcai. 1 Scope
Machinery Industry Standard of the People's Republic of China
Cryogenic liquid transport vehicles
Cryogenie liquid road tankersJB/T 6897—2000
Replaces JB/T6897-93||tt ||This standard specifies the product model compilation method, terminology, specifications, technical requirements, test methods, inspection rules and markings, transportation and storage of cryogenic liquid transport vehicles. This standard applies to vacuum powder insulated low-temperature liquid road transport vehicles modified from stereotyped car chassis and road transport semi-trailers modified with special trailer chassis (hereinafter referred to as transport vehicles). Vacuum powder insulated liquid carbon dioxide transport vehicles may be implemented as a reference. 2 Referenced standards
The provisions contained in the following standards constitute provisions of this standard by being quoted in this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties using this standard should explore the possibility of using the latest version of the standard listed below. GB 1501998
GB 1495—1979
GB/T 1496-~1979
GB 1589-1989
GB/T 3730.1—1988
GB/ T 3730.21996
GB/T 3730.3.---1992
GB/T 38451993
GB/T 38461993
GB 7258—1997
GB/ T 9417—1988
GB/T 10606.4-—1989
GB 11567-1994
GB/T 133061991
GB 14761.5—1993
GB 14761.61993
JB 25361980
JB/T 3356—1992
JB/T 3356.1—1999
JB 4730-1994
JB 68981997
JB/T 90721999
QC/T252—1998
Steel pressure vessels
Permissible noise of motor vehicles
Measurement method of motor vehicle noise
Automobile outer jaw Size Limits
Terms and Definitions for Cars and Semi-trailers Vehicle Types Road Vehicle Quality Vocabulary and Codes
Terms and Definitions for Cars and Semi-trailers Vehicle Dimensions Measurement of Exhaust Pollutants from Gasoline Vehicles Idling Method Diesel Vehicles Measurement of free acceleration smoke Filter paper smoke method Motor vehicle operation safety technical conditions
Automobile product model numbering rules
Air separation equipment terminology Cryogenic liquid storage and transportation equipment Requirements for side and rear lower protection devices of automobiles and trailers Signage
Gasoline vehicle speed pollutant emission standards
Diesel vehicle free acceleration smoke emission standards
Pressure vessel painting, packaging, transportation
Basic parameters of cryogenic liquid containers| |tt||Performance test methods for cryogenic liquid containers
Non-destructive testing of pressure vessels
Safety rules for use of cryogenic liquid storage and transportation equipment Fixed vacuum powder insulated cryogenic liquid storage tanks special automobile stereotype test procedures||tt| |The National Machinery Industry Bureau approved the implementation on 2000-12-01 on 2000-08-31
1
JB/T6897--2000
"Safety Supervision Regulations for Liquefied Gas Tank Trucks" (hereinafter Referred to as "Vehicle Regulations") 3 Product model compilation method
The product model compilation of transport vehicles shall comply with the provisions of GB/T9417. 4 Terminology
The terminology of transport vehicles shall comply with the provisions of GB/T3730.1, GB/T3730.2, GB/T3730.3 and GB/T10606.4. 5 Specification parameters
The volume and evaporation rate of the transport vehicle shall comply with the provisions of Table 1: The inner diameter of the inner container shall comply with the provisions of JB/T3356: The vehicle curb weight and the maximum total mass shall comply with the drawing provisions. The static pressure boost speed of liquid carbon dioxide transport vehicles shall comply with the requirements of the drawing. Table 1 Volume and static evaporation rate
Volume L
Medium
Xia
Note
Liquid oxygen
Liquid nitrogen||tt| |600
2.00
2.20
1200
1.20
1.92
2000
1.10
1.76
1 When the medium is wave oxygen, the wave oxygen evaporation rate can be multiplied by 1.07 to get 3500
1.00
1.60
4000
0.80| |tt||1.28
2 When the volume does not match the listed value, it is allowed to use the interpolation method to determine the assessment evaporation rate based on the listed volume number. 6 Technical requirements
6.1 Complete vehicle
10000
0.60
0.96
15000
0.50
0.80||tt ||%/d
20000
0.45
0.72
6.1.1 Transport vehicles should comply with the provisions of this standard and the Vehicle Regulations, and follow the prescribed procedures Manufactured with approved drawings and technical documents. 6.1.2 The chassis of the transport vehicle should be selected from the automobile product catalog jointly announced by China National Automobile Industry Corporation and the Ministry of Public Security and imported automobile chassis.
6.1.3 The maximum total mass and axle load mass of the transport vehicle shall comply with the requirements specified by the chassis. 6.1.4 The maximum exterior corridor size of the transport vehicle shall comply with the provisions of GB1589. Transport vehicles must be equipped with reliable static conductive grounding devices and fire extinguishing devices. 6.1.5
The side guardrails and rear lower safety protection devices of the transport vehicle shall comply with the regulations of GB11567. 6.1.63
The connection between the storage tank and the chassis should be firm and reliable, and the longitudinal center plane of the tank and the center plane of the chassis should coincide. 6.1.7
The chassis longitudinal beam is allowed to be extended. After the extension, the rear suspension of the vehicle shall comply with the provisions of GB7258 and "Vehicle Regulations". 6.1.8
The welds of welded parts should be firm, and defects such as weld penetration, cracks and missing welds are not allowed. 6.1.9
6.1.10
The braking performance, maximum speed, climbing performance, handling stability and fuel consumption of the transport vehicle must meet the technical requirements specified by the chassis.
6.1.11 The noise of transport vehicles shall comply with the regulations of GB1495. 6.1.12 Emissions should comply with the regulations of GB14761.5 and GB14761.6. 6.1.13 The safety devices and accessories installed on the transport vehicle (such as safety valves, liquid level gauges, pressure gauges, explosion-proof devices, fire extinguishing equipment and various inspection doors, etc.) should comply with the requirements of relevant standards and regulations, and should be accompanied by factory Inspection certificate or quality certificate. 6.1.14 For storage tanks with pumps, the performance of the pump should meet the supporting requirements of the transport vehicle and comply with the relevant cryogenic liquid pump standards. 2 | | tt | provisions of this standard. 6.2.2 The materials used to manufacture storage tanks should have certificates of conformity and comply with relevant national standards and industry standards. Materials used for pressure components should also comply with the requirements of GB150 and Vehicle Regulations. 6.2.3 The thermal insulation material expanded perlite (pearlescent sand) should comply with the following regulations: particle size: 0.1~1.2mm;
loose bulk density: 30~60kg/m2;
moisture content: no more than 0.3% (Weight ratio): Thermal conductivity: not greater than 0.032W/(m+K). 6.2.4 The type, air intake, moisture content and activation conditions of adsorbent materials should comply with the requirements of the drawing. 6.2.5 The butt welds of the inner vessels (categories A and B) of the storage tank should be subject to 100% X-ray inspection. In line with the Level II requirements of JB4730: the butt welds of the outer vessels (categories A and B) should be subject to 20% X-ray inspection. Comply with the Level III requirements of JB4730; the final composite circumferential weld seam inspection of the outer vessel shall comply with the provisions of GB150 and design drawings. 6.2.6 The test pressures for the strength test, air tightness test and vacuum interlayer air tightness test of the containers in the storage tank shall not be lower than those specified in Table 2. The pressure holding time of the vacuum sandwich air tightness test shall not be less than 4 hours. The pressure test is carried out in accordance with the relevant provisions of the Vehicle Regulations. Table 2 Test pressure
Design pressure
p
62
Inner vessel pressure test Leli
Liquid version
1.25 p| |tt||Air pressure
1.15 p
6.2.7 The leakage rate and sealing vacuum of the storage tank shall be in accordance with the provisions of JB/T9072. Inner container air tightness
Test pressure
p
MPa
Vacuum layer airtightness
Test pressure
0.20 (within The cylinder can hold a pressure of 0.1
MPa at the same time or as specified in the drawing)
6.2.8 All parts related to the vacuum system must be cleaned, and there must be no oil stains, iron eyebrows, welding, or oxidation on the surface skins and other debris.
6.3 Paint
6.3.1 The paint of the transport vehicle shall be in accordance with the provisions of JB2536 and design drawings. 6.3.2 The color and markings of the transport vehicle tank shall be in accordance with the "Vehicle Regulations" and drawings. The bumper (railing) of the transport vehicle should be painted with black and yellow warning stripes. All exposed ferrous metal parts should be treated with rust prevention. 6.3.3 The words "Cryogenic Liquid Transport Truck" in long imitation Song Dynasty paint should be painted in blue on the rear and upper part of the storage tank or as specified in the drawing, and the words "Strictly No Open Fire" should be painted in red below (except for liquid cyanide, liquid oxygen and liquid carbon dioxide transport vehicles). (It can also be arranged in the center of the horizontal centerline ribbon on both sides, leaving the middle of the ribbon blank and unpainted. If necessary, use sky blue background and milky white to mark the factory logo on the central ribbon on both sides of the storage tank. 6.3.4 All painted The layers should be uniform, bright in color, smooth and beautiful, and should not have wrinkles, bubbles, cracks, flow marks and other defects. 6.4 Before the transport vehicle leaves the factory, the container and piping system in the storage tank should be filled with 0.02-0.05MPa (or as specified in the drawing). Thousands of oxygen, and seal all pipe openings and valves
6.5 Provided that the user abides by the provisions of the product instruction manual, the accumulated mileage of the product shall not exceed 50,000km within 12 months from the date of shipment from the manufacturer. If undue damage occurs due to poor manufacturing quality (excluding wearing parts), the manufacturer shall repair or replace it free of charge
Test method
JB/T 68972000|| tt||7.1 The static evaporation rate test of the transport vehicle shall be carried out in accordance with the provisions of JB/T3356.1. 7.2 The determination of the mass parameters, center of mass position, external dimensions of the transport vehicle, as well as the braking performance test, maximum speed test and climbing test, The fuel consumption test shall be carried out in accordance with the provisions of QC/T252 and GB7258. 7.3 The noise measurement method shall be in accordance with the provisions of GB/T1496. 8 Inspection rules
8.1 Factory inspection
8.1.1 The product must be inspected by the manufacturer's quality inspection department and a product qualification certificate can be issued before it can leave the factory. 8.1.2 Each transport vehicle must be inspected before leaving the factory, with a mileage of not less than 150km, and inspection of purchase and purchase Whether the chassis connection is damaged, whether the connecting parts are loose, whether the storage box is deformed, whether the attachments are securely fixed, whether all facilities are safe and reliable, and whether they can meet the usage requirements. If the fault during driving can be eliminated with on-board tools, test It can be continued, otherwise it should be returned to the factory for maintenance or re-testing. 8.1.3 The evaporation rate inspection shall be carried out according to the requirement of sampling one unit for every five units and two units for more than five units. The evaporation rate shall be measured after the transport vehicle has been driven for 150 km. The evaporation rate can also be tested at the user's site according to the contract. Other items are inspected one by one. The factory inspection items are as specified in Table 3
When the finalized products are produced in batches. The random inspection of special-purpose vehicles with more than 10 units produced shall be carried out at least once a year, and the random inspection items shall be as specified in Table 3
8.3, final inspection
8.3.1 Newly designed products. Inspection should be carried out in accordance with QC252 and 8.1.2, and the inspection items are as specified in Table 3. Table 3 Inspection items
Inspection items
Appearance inspection
Quality parameters, center of mass position||tt| |External dimensions
Brake performance test
Maximum speed test
Climbing test
Fuel consumption test
Emission test
Noise test
Static evaporation rate test of transport vehicle
Note: Those marked with ★ are items that should be inspected.
Factory inspection
★
★
★
Inspection category
Spot inspection
★
★
★
★
Type inspection
★
★
*
★
★
★
★
★
★
★
JB/T6897-2000
8.3.2 Same model If the chassis is modified into different types of transport vehicles, only the first serial number transport vehicle can be inspected. 8.4 Periodic inspection
Periodic inspection of transport vehicle tanks shall be carried out in accordance with the provisions of the "Vehicle Regulations". 9 Marking, transportation and storage
9.1 Mark
Each transport vehicle should have a nameplate made of corrosion-resistant material. The nameplate type and size should comply with the regulations of GB/T13306. , the nameplate should be marked with at least the following: a) tanker model and name;
b) volume, m2;
e)) design pressure, MPa;
d) design Temperature, ℃;
e) Filling medium;
f) Engine power, kW;
g) Full load total weight, kg:
h) Product number:
i) Manufacturer name;
) Manufacturing date;
k) Manufacturing license number;
1) Supervisory inspection mark.
9.2 The following documents should be shipped with the transport vehicle when leaving the factory: a) List of tools and accessories for the chassis; b) Chassis instruction manual;
e) General diagram of the transport vehicle, storage tank process flow chart, pressure Container completion drawing; d) Transporter instruction manual:
e) Transporter packing list:
Door product certificate, quality certificate.
9.3 Transportation
9.3.1 When transporting by road, the transport vehicle shall be transported by self-driving method and shall comply with the relevant regulations of JB6898. 9.3.2 The transport vehicle is allowed to be transported by railway or waterway. It can drive on and off the vehicle (ship) by itself or by towing. If it must be loaded and unloaded by hoisting, a special spreader should be used, and the fuel and cooling water should be drained during loading and unloading. When installing on a vehicle (ship), the wheels should be fixed. 9.4 Storage
Transport vehicles should be parked in a ventilated, moisture-proof and fire-fighting warehouse, and maintained according to the instruction manual.
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