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[Chemical Knowledge]：Specification for storage and transport of compressed hydrogen

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The safety storage and transportation specification
of compressed hydrogen
1. Introduction

With the expansion of chemical production scale and the continuous development of technology, compressed hydrogen, as an important chemical production raw material, is more and more widely used in chemical production. However, due to the flammable and explosive characteristics of hydrogen, its safety and storage and transportation issues have attracted much attention. In order to ensure the safety and smooth progress of chemical production, strict storage and transportation specifications of compressed hydrogen must be formulated.

2. Compressed Hydrogen Hazard

1. Flammable and explosive: Hydrogen has a very high combustion energy, easy to form explosive gas after mixing with air, fire or electrostatic sparks may explode.
2. Diffusivity: Hydrogen has strong diffusivity and is easy to diffuse in the air to form a flammable gas mixture.

3. compressed hydrogen storage specification

1. Storage facilities: should be selected in line with national safety standards of the dedicated hydrogen storage tank, storage tank should be set in a well-ventilated, away from the fire of the place.
2. Storage pressure: The appropriate storage pressure should be determined according to the purity of hydrogen and the material of the storage tank to avoid safety accidents caused by overpressure.
3. Storage temperature: The temperature in the storage tank should be controlled to avoid damage to the storage tank caused by too high or too low temperature.
4. Safety management: A sound safety management system should be established, and storage facilities should be inspected and maintained regularly to ensure the normal operation of storage facilities.

4. compressed hydrogen transport specification

1. transport vehicles: should use the national safety standards of special transport vehicles, vehicles should have anti-static, anti-fire and other safety measures.
2. Transportation personnel: transportation personnel should be professionally trained and familiar with the nature of hydrogen and transportation safety knowledge.
3. Transportation route: A safe transportation route should be selected to avoid passing through dangerous areas such as densely populated areas and open fire operation areas.
4. Transportation monitoring: The pressure and temperature of hydrogen should be monitored in real time during transportation to ensure transportation safety.

5. emergency measures

1. In the process of storage and transportation, if hydrogen leakage and other safety accidents occur, the emergency plan should be started immediately, and personnel should be organized for evacuation and rescue.
2. Professional emergency rescue team and emergency rescue equipment shall be equipped to ensure timely and effective rescue in case of safety accidents.

6. training and management

1. Storage and transportation personnel should be regularly trained to improve their safety awareness and operation skills.
2. A sound safety management system and operating procedures shall be established to regulate storage and transportation.

7. conclusion

compressed hydrogen as an important raw material for chemical production, its safety and storage and transportation problems can not be ignored. In order to ensure the safety and smooth progress of chemical production, it is necessary to formulate strict storage and transportation specifications for compressed hydrogen, strengthen safety management and training, and ensure the safety and reliability of the storage and transportation process. At the same time, a sound emergency plan and rescue system should be established to ensure that rescue and treatment can be carried out in a timely and effective manner in the event of a safety accident.

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