GB 27550-2011Safety specification for filling station of gas cylinders (English PDF)

Foreword

All the technical contents of this standard is mandatory.

Accordance with the standards GB/T 1.1-2009. Drafting Rules "Standardization Guide Part 1 standard structure and preparation of" given.

This standard replaces GB 17264-1998 "permanent gas cylinder filling station safety and technical conditions", GB 17265-1998 "liquefied gas Bottle filling station safety and technical conditions ", GB 17266-1998" filling station of dissolved safety and technical conditions "and GB 17267-1998" solution LPG filling station safety and technical conditions. " this standard and GB 17264-1998, GB 17265-1998, GB 17266-1998 and GB 17267-1998 compared to the main technical Changes are as follows.

--- The GB 17264-1998, GB 17265-1998, GB 17266-1998 and GB 17267-1998 standard in Chapter 3 Responsibilities filling station, the basic conditions of Chapter 4 of the filling station and filling station personnel Chapter 5, section three chapters conditions for the integration and revision.

--- The GB 17264-1998, GB 17265-1998, GB 17266-1998 and GB 17267-1998 in Chapter 6, Section 7 Chapter has been revised and re-establishment.

--- Normative documents according to GB/T 1.1-2009 regulations perfect, and in accordance with changes made by reference to the standard additions and deletions.

This standard by the National Standardization Technical Committee cylinder (SAC/TC31) and focal points.

This standard was drafted. Safety and Environmental Engineering, Capital University of Economics, Beijing Praxair Co., Ltd., Shanghai COSCO Chemical Co., Ltd., Hangzhou gas plant, North China Municipal Engineering Design Institute, the Asian branch of China Gas Association.

Drafters of this standard. Shen Yue Wu, Ma Changhua, Chen Jianlin, Yuxi Xi, Song Liansheng, Cheng Hao, Xuzhan Wei, Song Qi, Chen thrift.

This standard by the National Standardization Technical Committee responsible for the interpretation of cylinders.

This standard replaces the standards previously issued as follows.

--- GB 17264-1998;

--- GB 17265-1998;

--- GB 17266-1998;

--- GB 17267-1998.

Safety requirements for cylinder filling stations

1 Scope

This standard specifies the compressed gas (also known as permanent gas) cylinder filling stations, liquefied gases (including LPG) filling station of dissolved Acetylene cylinder filling station (hereinafter referred to as filling stations) must have the responsibility and safety and technical conditions.

This standard applies to compressed gas (also known as permanent gas) cylinder filling stations, liquefied gases (including LPG) filling station of dissolved Acetylene cylinder filling station (hereinafter referred to as the filling station).

This standard does not apply to vehicles with a cylinder and welding insulation cylinder filling station.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB 2894 Safety Signs GB 7723 fixed electronic scale GB 15383 cylinder valve outlet connections and sizes GB 16912 Deep frozen production of oxygen and related gas safety technical regulations GB 50016 architectural design code for fire protection GB 50028 City Gas Design Code GB 50030 oxygen station design specifications GB 50031 acetylene station design specifications GB 50057 Lightning in design GB 50058 Explosion and fire hazard electrical installation design specifications GB 50160 fire protection design of petrochemical enterprises GB 50177 hydrogen station design specifications GB 50257 electrical equipment installation engineering explosion and fire hazard electrical equipment installation and acceptance GB J140 building fire extinguisher configuration design specifications GB Z1 Design of Industrial Enterprises hygiene standards HG/T 20675 chemical enterprises static grounding design procedures JB/T 8856-2001 dissolved acetylene equipment

3 Responsibilities, filling stations

3.1 responsible for filling gas cylinders, storage, management and use of gas cylinders gas cylinders before using handle registration certificate.

3.2 offers users the gas cylinder, and responsible for the safety of gas cylinders on the filling paste cylinders meet national safety and technical specifications National standards for warning labels.

3.3 is responsible for explaining knowledge and emergency measures to filling cylinders and gas workers and the use of gas cylinders and users, promoting safety the use of knowledge and risk warning requirements.

3.4 responsible for filling gas cylinders before and after filling checks, fill out and send and receive recorded for each recording filling cylinders, cylinder filling and safety be responsible for.

3.5 responsible for the maintenance of gas cylinders and accessories repair, replacement, color coating work cylinder mark.

3.6 responsible regularly to the local quality supervision departments to submit its own cylinder number, symbol flag, periodic testing and documentation, the person responsible for filling station Filling certified personnel situation.

The inspection cycle is responsible for more than 3.7 cylinder before filling or found to have undesirable cylinders delivered to the ground, above the level (including) special equipment Cylinder Safety Supervision testing agencies designated processing.

3.8 ensure that the filling gas cylinders in line with quality standards and issue certificates of qualified products.

3.9 responsible for reporting the production, safety and technical conditions, accident reports and emergency situation to the local authorities.

4 Basic conditions for filling stations

4.1 filling station according to relevant provisions of qualification of local quality supervision, safety supervision, environmental protection and fire protection and other regulatory approval.

4.2 filling station should have intact production facilities and filling gas species to adapt, industrial equipment, means of detection, site plant, compliance with safety Safety requirements.

4.3 filling station has some gas storage capacity and a sufficient number of its own equity cylinders.

4.4 filling station shall be in accordance with national laws and regulations, to develop appropriate rules and regulations.

a) safety education, training, examination system;

b) fire, explosion, lightning protection, anti-static system;

c) transport of dangerous goods, storage system;

d) regular inspection ledger system and equipment, pressure vessels, piping, measuring instruments;

e) records management system;

f) personal responsibility, team management system;

g) Emergency Response Rescue Plan;

h) comply with the relevant provisions of the State Environmental Protection emissions system.

4.5 All filling station equipment, job safety procedures to complete.

4.6 should be based on characteristics of the gas filling station, in accordance with the provisions of GB 2894, striking at the inside and outside of the station should be set cards instructions and safety signs.

5 Filling station staff conditions

5.1 filling station should be equipped with safety engineer titles more than full-time person in charge of production technology (including engineers).

5.2 filling station should be equipped with high school or a high school education or equivalent trained and qualified full-time or part-time security officer.

5.3 filling station should be equipped with middle school or junior high school or higher education and the professional and technical training, the municipal or municipal quality supervision departments above assessment Qualified to obtain the "special equipment operator certificate" cylinders inspectors.

5.4 filling station should be equipped with middle school or junior high school or higher education and the professional and technical training, the municipal or municipal quality supervision departments above assessment Qualified to obtain the "special equipment operator certificate" cylinder filling staff, and each work shift shall not be less than two.

Quality 5.5 filling station should be equipped with high school or a high school education or its equivalent, and the professional and technical training, qualification certificate Inspectors.

Plant construction filling stations Condition 6 6.1 filling station site and general layout, plant construction refractory grade, factory fire spacing, safe passage and other safety and fire water Full fire conditions shall comply with the provisions of GB 50016. Combustible gas filling station should meet the design specifications corresponding gas. Set in the petrochemical industry Filling station within the enterprise shall comply with the provisions of GB 50160.

Filling should be between 6.2 and provided sufficient relief area corresponding relief facilities. Filling medium density less than air gas filling station wastegate Facilities should be located at the top of the building, filling medium density greater than or equal to the atmospheric gas filling station wastegate facilities should be located in a building near Ground position.

6.3 filling station should be set to meet the safety requirements of the technical ventilation, shading, lightning protection, anti-static facilities.

Bottling (filling) 6.4 flammable gas filling stations in the room, between the real bottle, compressor room as the CPI plant; bottle libraries as Category coffers. Its plant Architecture should be a secondary fire resistance rating of single-storey buildings. CPI CPI plant and warehouse must meet the following conditions.

a) a density equal to or greater than the air combustible gas plant, the Treasury should use non-sparking ground, such as the use of insulating materials for the whole when decent layer, anti-static measures should be taken. Shall not be located underground trench, such as when you must set its trench should be filled full of sand and stamped plate, or forced ventilation.

b) plants, the Treasury should adopt concrete columns, or steel columns frame bent structure, when a steel column should be used to fire protection layer. Structures should Using open architecture, doors, windows should open outwards and shall have safety exits. Ceiling should be as flat as possible, avoid dead ends.

c) plant, warehouse facility should have the necessary relief, pressure relief facilities should be used as a pressure relief lightweight roof area for easy relief of doors and windows, light Quality wall can also be used as pressure relief area. As light relief area of the roof and wall of light weight per square meter should not exceed 60kg. Relief area of the plant (warehouse) volume ratio (m2/m3) should be consistent with GB 50016.

d) Building area (single) or at the same time the production of more than 100m2 with more than five production plants should be at least two security Export.

Top e) plant or warehouse should be located and grounded lightning network, the impulse grounding resistance should be less than 10ohm.

6.5 between filling stations filling the cylinder with the bottle should be divided into the library area real bottle, bottles area layout. Oxygen, electrolytic hydrogen filling station Bottling station should be set up protection Wall (with vacuum devices or bottled gas valve to keep the pressure more than the exception). Large cryogenic liquid oxygen, liquid nitrogen storage tank (500m3 or more) (accumulation of perlite Insulated) GB 50160 requirements should be built cofferdam.

6.6 platform or special handling tool filling station should be designed for loading and unloading of the gas cylinder. Platform storage of bottles and bottle solid interval should establish clearly marked Remember. The platform should retain the channel width of not less than 2m (acetylene filling station channel clear width of not less than 1.5m). Platform acetylene filling station should be above ground 0.4m ~ 1m, platform width of not more than 3m, and shall be provided with a platform larger than the width of the awning, and support should be Non-burning body.

6.7 liquefied petroleum gas and compressed natural gas filling station sites and venues should also meet the following requirements.

a) filling station production areas should be set no lower than the height of 2m of non-combustible solid body wall.

b) filling station should be arranged partition, it should be divided into production areas and support areas. LPG filling stand should be located between the production area and the auxiliary area Body height is not less than the non-combustion of solid walls 2m.

c) production area should be arranged on the windward side of the filling station of the year or the minimum frequency wind crosswind side.

d) production areas should be laid Enter spacious grounds. Production areas shall be provided with a width of not less than 4m endless fire road. liquefied petroleum gas when filling station tank total volume of less than 500m3, it can set the end of the fire road type and area of not less than 12m × 12m carriage return field. For large-scale use of fire back yard area of not less than 18m × 18m.

e) in the filling station site preparation, in mountainous and hilly areas can be divided into a station ladder arrangement. Prohibited production area is located underground and semi-underground construction Buildings (except for underground storage tanks, water pump), a subterranean trench filled with dry sand application.

f) filling station and production areas, each with at least a secondary zone exports. The total volume of the tank over 1000m3, LPG production Foreign district shall have two entrances, the distance not less than 50m. Entrance width should not be less than 4m.

g) setting cylinder loading and unloading station shall comply with the provisions of GB 50028.

Should be set within the filling station fire truck 6.8 channel dedicated fire hydrant, fire water, fire fighting equipment as well as dealing with accidents in case of emergency misfortunes Facilities and equipment. With the amount of fire extinguishers shall comply with the provisions of GB J140. Emergency shower should be set for extinguishing apparatus used in the acetylene filling room.

6.9 filling station fire facilities shall comply with the provisions of GB 50016. Explosive places power plant design, construction and acceptance should meet Co GB 50028 and GB 50257's requirements. Acetylene filling station explosion risk areas 1, should apply to acetylene dIICT2 (B4b) level flameproof electrical equipment or instrumentation.

6.10 filling station should be set up reliable lightning protection system, designed to comply with the requirements of GB 50057.

Static grounding design 6.11 filling station shall comply with the provisions of HG/T 20675 of. Pipes and combustion of combustible gas filling stations, valves, storage Deposit containers shall be provided with a reliable guide in addition to static grounding device, the grounding resistance must not be greater than 10ohm, jumper resistor between the pipe flanges should Greater than 0.03ohm.

Equipment and condition of the pipeline 7 filling stations Design, manufacture, installation, testing, use and management 7.1 pressure vessels and piping should comply with relevant state regulations. Liquefied gas container should be installed it offers accurate, safe, liquid eye-catching display device, and a reliable anti-over loading facilities.

7.2 filling equipment, piping, valves and other accessories sealing element can not be selected manufacturing materials and loaded dielectric characteristics incompatible. Where and B Alkyne contact device, fittings, instrumentation, non-selection of more than 70% of the copper alloy of copper and silver, mercury, zinc, cadmium and their alloys manufacturing Components.

Process layout 7.3 oxygen filling station, select equipment and piping design should be consistent with the provisions of GB 50030 and GB 16912's. Hydrogen Station the process layout, design of equipment and piping shall meet the requirements of GB 50177.

Gas filling station filling nipple 7.4 should be consistent with the relevant provisions of GB 15383. Cryogenic liquefied gas storage tanks and hoses, etc. Fast access Head should be different depending on the structure of the gas.

7.5 filling station may not use water-lubricated compressed gas filling compressor. For filling with water, the reaction gas is easy to form strong corrosive medium charge Loading station should be equipped with the equipment, pipeline valves, cylinder drying facilities.

7.6 cryogenic liquid gasification cylinder filling apparatus, cryogenic liquid pump discharge fluid volume and gasifier heat transfer area and should match the amount of filling should be made bottle Gas filling time of not less than 30min.

7.7 toxic gases filling station filling should have the following safety features.

a) In addition to setting the plant general mechanical ventilation, but also equipped with emergency air exhaust devices. Exhaust air contains a lot of toxic gases should Purification process so that it meets the requirements of GB Z1 in the relevant provisions.

b) storage containers with toxic liquefied gases should be set up in the room, and there can form a water curtain around the vessel to deter sudden accident Toxicity caused by the blast of water supply installations.

Filling station c) filling highly toxic liquefied gases, should be configured to prevent escape of gas at the same time filling the vacuum operating system.

7.8 Filling toxic gases and acetylene filling station shall be provided for recovery or disposal of equipment and means of residual gas bottle can not be emitted to the atmosphere. liquid of petroleum gas filling stations should be equipped with residue emptying and recovery. There should also be a new bottle evacuation facilities, vacuum facilities should ensure that the new vacuum bottle Degree can be evacuated to 80kPa above.

7.9 acetylene filling station pipes shall comply with the following requirements.

Laying a) acetylene pipes and choose the high-pressure acetylene piping shall comply with the provisions of GB 50031. Pressure vessels, pipes, fittings, valves and pipe Road should be used to hold the national manufacturing license issued by the relevant company's products.

b) connecting the high-pressure acetylene metal pipes should be welded joints; and with the valve, fittings, equipment connections, can be flanged or threaded connection. Acetylene high-pressure pipe fittings, valves and piping design pressure of not less than 25MPa. When each pair of flanges or threaded electrical connectors when the resistance exceeds 0.03ohm, due jumper wire.

c) high pressure acetylene pipe before installation should be done 30MPa pressure test, after installing the piping system leak test and do 3MPa 2.5MPa leakage test.

d) acetylene inflatable bus should set a main shut-off valve on the inlet tube of each row, each assigned inflated bus interface should be set points with shut-off valve, a valve should be a bottle. At the end of the bus it should be provided with access to a pneumatic acetylene low pressure system return line, the return line Shut-off valve should be located.

e) acetylene high pressure hose should be resistant to corrosion of the solvent, the choice can not be led to combustion, explosive material, the inner diameter should be less than or equal to in 6mm; high-pressure hose should be able to withstand greater than or equal to 60MPa of pressure test.

Should be set on f) Acetylene aerated water spray cooling system bus, and can be sprayed directly on all cylinders pneumatic bus.

g) acetylene vent pipe should each individually lead to the outdoor, drawn tube should be higher than the roof of the mouth, and not less than 1m. Sewage acetylene equipment Tube should be connected to the outdoors, acetylene gas should be recycled.

h) shall be provided within the vacuum station acetylene bottles, weighing and additional solvent means.

7.10 acetylene pipes and connected devices, should be set at the following locations flame arrester, flame arrester selection should be consistent with JB/T 8856-2001 the provisions of 5.7.5.1.

Discharge piping a) high-pressure dryers;

b) each of the pneumatic valve bus master before the deadline;

c) The allocation of the inflator bus off the valve;

d) back into the high-pressure pipeline low pressure acetylene.

7.11 acetylene equipment, piping systems should be set up oxygen volume fraction of less than 3% of nitrogen or carbon dioxide replaced facilities.

Monitoring, measuring instruments and protective equipment condition 8 filling stations 8.1 filling station electrical, instrumentation, configuration, installation and acceptance shall comply with GB 50058 and GB 50257.

8.2 Pressure equipment and piping on the gauge should be selected based on the loaded media properties. Manometer corrosive medium corrosion diaphragm should be used formula. System-specific acetylene pressure gauge on each bus shall be at least one. Precision manometer is not lower than 1.6, the pointer Dial gauge diameter of not less than 100mm.

8.3 liquefied gas filling stations shall be equipped with filling joints with an equal number of measurement scales. Re-examination and filling of measurement scales should be used separately.

Equipped with measurement scales shall meet the following requirements.

a) measurement scales of maximum load shall not be greater than the actual weight inflatable bottle (including weight and liquid filling weight) three times, and not less than 1.5 times.

b) the accuracy of fixed electronic measurement scales should be consistent with the provisions of GB 7723 Class 3 scale level requirements. Liquefied petroleum gas, liquid chlorine and liquid Ammonia gas filling station should be equipped with a device automatically cut off when the super-function measurement scales.

8.4 cryogenic liquid gasification cylinder filling apparatus, the outlet temperature of the gasifier is below -30 °C and overpressure alarm and interlock system should have stopped Pump unit.

8.5 oxygen, strong oxidizing gas and combustible gas filling station should be installed to identify impurities and residual gas cylinder testing equipment (there really Except empty facility). Toxic and combustible gases and oxygen filling station and can be asphyxiating gas filling station should set the corresponding concentration of dangerous gases the degree of monitoring and alarm device.

8.6 electrolytic production of hydrogen and oxygen filling station, the instrument should be set to automatically analyze the oxygen analysis in hydrogen content in oxygen pipeline, hydrogen Trachea trail set automatic analysis instrument analysis of hydrogen in oxygen content.

8.7 gas filling stations shall be fitted with the corresponding properties of the medium protective equipment and supplies; corrosive media filling station should be a reliable Anti-acid burns Labor protection equipment; there are cryogenic liquefied Gasfication filling station should be a reliable antifreeze labor supplies; toxic gas filling stations Site should be equipped with gas masks, canisters and emergency medicine, and should have reliable communication means of communication and transport conditions poisoning rescue personnel.

Combustible gas filling station should have anti-static clothing, footwear and bottom without nails can not produce sparks maintenance tools.