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      What are the precautions for flushing and filling of liquid oxygen storage tank system

      author:Hengshui Jiahao Equipment Installation Co. Ltd.???Popularity:???Publication time:2020-02-27 10:06

      ▲ requirements for flushing of liquid oxygen storage tank system

      Filling coefficient of liquid storage tank shall not exceed 94%;

      ▲ the safety accessories of liquid storage tank must be complete, sensitive and reliable. It is forbidden to dismantle, move or stop using without permission;

      ▲ fire fighting equipment must be equipped near the liquid oxygen storage tank, and there shall be no inflammable and explosive materials within 4m around the site, so as to keep the site clean;

      ▲ the liquid system shall be provided with liquid oxygen storage tank or access channel of fire truck, and shall be wide enough to facilitate the passage of liquid oxygen storage tank or fire truck;

      ▲ no open fire is allowed within 4m around the place of storage, gasification, filling and use of liquid oxygen, no fire source is allowed, and there shall be obvious fire prohibition signs;

      ▲ when conveying liquid in liquid oxygen storage tank, always monitor the reading of pressure gauge, and it is strictly prohibited to exceed the specified value of pressure. When the reading of the pressure gauge increases abnormally, the liquid oxygen storage tank shall be opened to the place where people are sparse and open, and the vent valve shall be opened to discharge the pressure. When discharging oxygen, no open fire is allowed in the emission affected area;

      The liquid oxygen liquid oxygen storage tank must be equipped with safety valve, liquid level gauge, pressure gauge, static electricity conducting and other safety devices;

      ▲ the liquid oxygen storage tank can only enter the filling place for filling after being approved by the main operator; when filling, the operator must be on site. The filling operation shall be carried out in accordance with the operating procedures to prevent the overflow of low temperature liquid. When filling with liquid oxygen, there shall be no open fire within 4m;

      ▲ before the liquid oxygen storage tank is connected with the filling and infusion pipe, it must be in the braking state to prevent movement; anti slip block shall be set at the slope;

      ▲ the liquid oxygen storage tank shall leave in time after filling. If the filling work is interrupted for a long time (overnight or holiday interruption), the connection of the infusion pipe shall be released;

      ▲ when the liquid oxygen storage tank is charged for loading and unloading, the automobile engine must be shut down;

      ▲ the content of acetylene, hydrocarbon, grease and other harmful impurities in the liquid oxygen container and the liquid oxygen storage tank shall be analyzed regularly, and the acetylene content shall not exceed 0.2 × 10-6, otherwise, the liquid oxygen shall be discharged, and the vehicle shall be stopped for heating treatment;

      ▲ operators shall wear clean and easy to take off leather, canvas or cotton gloves when filling or handling cryogenic liquid. If there is a possibility of liquid eruption or splashing, wear goggles or masks. When dealing with a lot of cryogenic liquid or severe leakage of cryogenic liquid, you should wear leather boots without nails, and the trouser legs are covered outside the leather boots;

      ▲ when filling or disposing liquid oxygen, operators shall not wear greasy work clothes and personal protective equipment. All greasy clothes and protective articles need to be replaced; chemical fiber clothes with electrostatic effect shall not be worn; spiked shoes shall not be worn. If the operator's clothing has penetrated with oxygen, it is not allowed to enter the place with open fire. If necessary, it is necessary to replace the clothes or blow them out fully, at least 11 minutes in the atmosphere;

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