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This standard is developed in accordance with the rules given in GB/T 1.1-2009 Directives for standardization - Part 1: Structure and drafting of standards.
This standard replaces JB/T 4782-2007 Tank container for dangerous liquid goods. In addition to editorial changes, the following main technical changes have been made with respect to JB/T 4782-2007:
a) The special technical requirements for pressurized tank container for dangerous liquid goods have been added.
b) Scope:
——The tank volume range has been modified and the inapplicable range has been added.
c) Terms and definitions:
——Five terms, such as pressure and working pressure, have been cancelled, and two terms, i.e., geometric volume and pressurized tank container for dangerous liquid goods, have been added.
d) Qualifications and responsibilities:
——The original "Pandect" has been changed to "qualifications and responsibilities", wherein, the responsibilities of the user or design entrusting party have been added.
e) Materials:
——The requirements for tank materials have been added, and requirements for framework materials have been modified.
f) Design:
——The risk assessment report and other contents have been added in the design document, and the requirements of technical review have been cancelled.
g) Safety accessories, instruments and filling and discharging accessories:
——The requirements of safety accessories have been modified.
h) Fabrication:
——The fabrication requirements for tank have been modified.
i) Test methods:
——The contents of internal longitudinal restraint (dynamic) test have been modified.
j) Inspection rules:
——The requirements of batch inspection have been cancelled, and the requirements of tank types for which the type test is exempted have been added.
k) Annex C "Risk assessment report" has been added.
This standard was proposed by and is under the jurisdiction of SAC/TC 262 National Technical Committee on Boilers and Pressure Vessels of Standardization Administration of China.
This standard is drafted by Subcommittee on Transportable Pressure Vessels of the National Technical Committee on Boilers and Pressure Vessels of Standardization Administration of China (SAC/TC 262/SC4).
The previous edition of this standard is as follows:
——JB/T 4782-2007.
Introduction
Declaration of conformity and revision of the standard
The preparation of the technical requirements relevant to pressurized tank container for dangerous liquid goods of this standard follows the basic safety technical requirements specified in the national pressure vessel safety laws. Its design criteria, material requirements, fabrication inspection technical requirements and acceptance criteria meet those specified in TSG R0005. This standard is a harmonized standard, that is, the pressurized tank container for dangerous liquid goods constructed according to this standard may meet the basic safety requirements specified in TSG R0005.
The proposal review system is used for the revision of this standard. Any unit or individual has the right to give suggestions on the revision of this standard, which shall be submitted to the National Technical Committee on Boilers and Pressure Vessels of Standardization Administration of China (hereinafter referred to as "the Committee") in the form of “Standard proposal/inquiry form”. The Committee reviewed the standard revision proposals received and incorporated the adopted technical contents into the next edition based on the review results.
Standard proposal/inquiry form Issue No:
□ Standard proposal □ Standard inquiry Standard name
Unit Name
Address Post code
Tel./fax E-mail
Content of the proposal/inquiry (attach a separate page)
Technical basis and relevant data (attach a separate page)
Additional explanation:
Unit seal or proposer (inquirer) signature: Submission date:
Date
National Technical Committee on Boilers and Pressure Vessels of Standardization Administration of China (SAC/TC 262)
Address: 3rd Floor, Block D, No.2 Xiyuan, Heping Street, Chaoyang District, Beijing Postal code: 100029
E-mail: NB-T47064@cscbpv.org
Tank container for dangerous liquid goods
1 Scope
1.1 This standard specifies the requirements for materials, design, fabrication, test methods, inspection rules, marking and identification, ex-factory documents, storage and transport of tank container for dangerous liquid goods (hereinafter referred to as liquid tank container).
1.2 This standard is applicable to liquid tank containers with tank volume not less than 1m3 and permanent connection between tank and framework, wherein pressurized tank container for dangerous liquid goods (hereinafter referred to as pressurized liquid tank container) shall also meet special requirements.
1.3 This standard is not applicable to the following liquid tank containers:
——tank container with tank made of non-ferrous metal or non-metallic materials;
——tank container with tank being of vacuum insulation structure;
——tank container with special requirements such as national defense military equipment.
1.4 The tank is defined as follows:
a) the beveled surface of the first circumferential joint of welded connection between tank and pipeline or accessories;
b) the first threaded joint end surface of the threaded connection between the tank and the pipeline or accessories; the first flange sealing surface of flange connection; the first sealing surface of special connector or pipe fitting connection;
c) the pressure cap, end plug and its fasteners of the tank opening part;
d) the connection weld between the tank and the non-pressure elements.
1.5 The pipeline includes all pipes and fittings connected to the tank.
1.6 The accessory includes all safety accessories, instruments and filling and discharging accessories.
1.7 Main pressure elements of pressurized liquid tank container tank include cylinder, seal head, as well as adapter tubes with the nominal diameter not less than 50mm, reeding, flanges and flange cover plates.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 150.1 Pressure vessels - Part 1: General requirements
GB/T 150.2 Pressure Vessels - Part 2: Materials
GB/T 150.3 Pressure vessels - Part 3: Design
GB/T 150.4 Pressure vessels - Part 4: Fabrication, inspection and testing, and acceptance
GB/T 713 Steel plates for boilers and pressure vessels
GB/T 1413 Series 1 freight containers - Classification, dimensions and ratings
GB/T 1835 Series 1 freight container - Corner fittings
GB/T 1836 Freight containers - Coding, identification and marking
GB/T 3531 Steel plates for low temperature pressure vessels
GB/T 6479 Seamless steel tubes for high-pressure for chemical fertilizer equipments
GB 6944 Classification and code of dangerous goods
GB/T 8163 Seamless steel pipes for liquid service
GB/T 8923.1 Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings
GB/T 9948 Seamless steel tubes for petroleum cracking
GB 12268 List of dangerous goods
GB/T 14976 Seamless stainless steel pipes for fluid transport
GB/T 16563 Series 1 tank containers for liquids, gases and pressurized dry bulk - Specification and testing
GB/T 17382 Series 1 freight containers - Handling and securing
GB/T 17393 Specification for thermal insulation for use in contact with austenitic stainless steel
GB/T 17600 (all parts) Steel - Conversion of elongation values
GB/T 21433 Detecting susceptibility to intergranular corrosion in stainless steel pressure vessels
GB/T 24511 Stainless steel plate, sheet and strip for pressure equipment
GB/T 25198 Heads for pressure vessels
GB/T 26929 Terminology for pressure vessels
GB/T 30583 Specification for post weld heat treatment of pressure equipment
GBZ 230 Classification for Hazards of Occupational Exposure to Toxicant
NB/T 47003.1 Steel welded atmospheric pressure vessels
NB/T 47008 Carbon steel and alloy steel forgings for pressure equipments
NB/T 47009 Alloy steel forgings for low temperature pressure equipment
NB/T 47010 Stainless and heat-resisting steel forgings for pressure equipments
NB/T 47013 (all parts) Nondestructive testing of pressure equipments
NB/T 47014 Welding procedure qualification for pressure equipment
NB/T 47018 (all parts) Technical permission of welding materials for pressure equipment
JB/T 4711 Coating and packing for pressure vessels transport
JB 4732 Steel pressure vessels - Design by analysis (Confirmed in 2005)
HG/T 20592 Steel pipe flanges (PN designated)
HG/T 20610 Spiral wound gaskets for use with steel pipe flanges (PN designated)
HG/T 20614 Specification for selection of steel pipe flanges, gaskets and bolting (PN designated)
HG/T 20615 Steel pipe flanges (Class designated)
HG/T 20631 Spiral wound gaskets for use with steel pipe flanges (Class designated)
HG/T 20635 Specification for selection of steel pipe flanges, gaskets and bolting (Class designated)
HG 20660 Standard for classification on hazards of toxicity and explosion of chemical mediums in pressure vessel
HG/T 20678 Specification on design of steel shell with liner
TSG R0005 Supervision regulation on safety technology for transportable pressure vessel
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 150.1, GB/T 150.4, GB/T 1413, GB/T 16563, GB/T 26929, NB/T 47003.1 and the following apply.
3.1
liquid
substance whose saturated vapor pressure is not greater than 0.3 MPa (absolute pressure) at 50℃, which is not completely gaseous at 0.1013 MPa (absolute pressure) at 20℃, and whose melting point or starting melting point is not greater than 20℃ at 0.1013 MPa (absolute pressure)
3.2
dangerous liquid goods
liquid goods with explosive, flammable, toxic, infectious, corrosive, oxidizing and other dangerous characteristics, which are easy to cause personal injury, property damage or environmental pollution during transport, storage, production, operation, use and disposal and therefore need special protection
3.3
tank container for dangerous liquid goods
mobile vessel consisting of tank and framework for filling dangerous liquid goods
3.4
pressurized tank container for dangerous liquid goods
tank container for dangerous liquid goods with the working pressure of tank not less than 0.1MPa, the maximum working temperature of filled medium not lower than the standard boiling point, or with the maximum working temperature lower than its standard boiling point but the volume of gas phase space not less than 0.03m3
3.5
geometric volume
internal volume of tank determined according to the designed geometric dimension (without considering the fabrication tolerance, but deducting the volume of the internal parts)
3.6
reference steel
reference material with the lower limit of set standard tensile strength, Rm, of 370MPa and the elongation after fracture, A, of 27%
3.7
rating
total mass of tank container, which is the maximum value for operation and the minimum value for test, usually expressed by the letter "R”
4 Qualifications and responsibilities
4.1 Qualifications
The design, fabrication, inspection and acceptance as well as marking and identification of liquid tank containers shall not only meet the requirements of this part, but also meet those of relevant laws, regulations and rules issued by the state.
4.2 Responsibilities
4.2.1 User or design entrusting party
The user or design entrusting party shall propose liquid tank container design conditions to the design organization in written form. The design conditions shall include at least:
a) main laws and regulations, standards and technical regulations to be followed in design and fabrication;
b) modes of transport, including railway, road, waterway transport or combined transport thereof;
c) working conditions, including service environment temperature, working temperature range, working pressure range, filling and discharging conditions and methods, filling and discharging pressure, additional loads, condition and state of transport carrier, etc.;
d) liquid tank container guideline or filled medium. If the liquid tank container is designed according to the guideline, the design conditions shall include at least the applicable guideline and corrosion allowance; if designed according to the medium, the design conditions shall include at least No., name, category, concentration, physical and chemical properties, hazardous characteristics, harmful substance content and the corrosion rate to tank materials thereof, etc.;
e) tank volume;
f) container dimensions and specifications;
g) expected service life;
h) geometry dimension requirements and nozzle orientation;
i) other necessary conditions for design, such as tank material selection, corrosion prevention, surface treatment and special test.
4.2.2 Design unit
4.2.2.1 The design unit shall complete the overall design of liquid tank container based on the risk assessment report and shall be responsible for the correctness and completeness of the design documents.
4.2.2.2 The design unit shall preserve all design documents within the design service life of liquid tank containers.
4.2.2.3 The design unit of pressurized liquid tank container shall hold the corresponding special equipment design license, and the management and use of its special seal for design shall meet the requirements of TSG R0005.
4.2.3 Fabrication unit
4.2.3.1 The tank containers shall be subjected to integrated fabrication, and the fabrication unit shall be responsible for the fabrication quality of them.
4.2.3.2 The fabrication unit of pressurized liquid tank containers shall hold the corresponding special equipment fabrication license.
4.2.3.3 The fabrication unit shall fabricate in accordance with the requirements of design documents; where the original design is modified, written certificate of the original design unit for agreement on modification shall be obtained, and the modified parts shall be recorded in detail.
4.2.3.4 The fabrication unit shall formulate a quality plan before fabrication, which shall at least include the fabrication process control points, inspection items and acceptance criteria of tank containers.
4.2.3.5 The fabrication unit shall carry out all inspections and tests according to the requirements of this standard, design drawings, technical documents and quality plans during and after the fabrication, provide corresponding reports and be responsible for the report correctness and completeness.
4.2.3.6 After the liquid tank containers pass the inspection, the fabrication unit shall issue product certificates.
4.2.3.7 The fabrication unit of pressurized liquid tank container shall receive the supervision and inspection on its fabrication process by the special equipment supervision and inspection organization and obtain the "certificate for fabrication supervision and inspection of special equipment" issued by the supervision and inspection unit for its products.
4.2.3.8 The liquid tank containers shall be subjected to sample container type test, and shall obtain the qualification certificate approved by the institution approved by the competent department.
4.2 3.9 The fabrication unit shall keep the following technical documents for each liquid tank container within the design service life for future reference:
a) original design drawings;
b) fabrication process drawing or card;
c) documents on welding process and heat treatment process of tank;
d) records on inspection and test items specified in the standard;
e) check, inspection and test records during and upon completion of fabrication;
f) ex-factory documents (in accordance with the requirements of Clause 12);
5 Materials
5.1 General requirements
5.1.1 The materials in contact with the filled medium shall be compatible with the medium.
5.1.2 Materials for welding structures shall have good weldability.
5.1.3 The material fabrication unit shall make clear and firm steel impression mark or adopt other traceable marking on the obvious position of the material.
5.1.4 The material fabrication unit shall provide the material using unit with the material quality certificate which shall be complete, clear and printed with traceable information identification.
Foreword i
Introduction iii
1 Scope
2 Normative references
3 Terms and definitions
4 Qualifications and responsibilities
5 Materials
6 Design
7 Safety accessories, instruments as well as filling and discharging accessories
8 Manufacture
9 Test methods
10 Inspection rules
11 Marking and identification
12 Ex-factory documents
13 Storage and transport
Annex A (Informative) Compatibility of common dangerous liquid goods with tank materials
Annex B (Normative) Main design parameters of common dangerous liquid goods and guideline for liquid tank container
Annex C (Normative) Risk assessment report
Annex D (Normative) Calculation of safe discharge volume of tank
