Basic disaster prevention measures for outdoor dev

2022-07-23
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For the basic disaster prevention measures for outdoor devices, the classification index of disaster prevention measures is 0-20 index 20-10 index 40-90 () and above 90. 1. the supply of disaster prevention water shall be the same as the left according to the fire protection law and damage protection standard. 2. the fire prevention measures for buildings and pillars 1 are not usually required, but the combustible substances in special occasions such as the storage of ammonia or acetone or the construction of sewage treatment plant of system 1 shall be considered according to their treatment capacity. Sufficient countermeasures shall be taken for the container pillars. According to the quantity of combustibles, the time required to be able to withstand the complete combustion shall be taken into account. Within this range, even in case of fire, it is also necessary to take measures to withstand the full load. For the container pillars, adequate Countermeasures shall also be taken, such as the time that the capacity index is 20-40 times. Other countermeasures are the same as left 2 and 3. The scope of countermeasures is expanded compared with classification 1. The same as left 4. It is usually not required to be the same as left 3. automatic water spray, sprinkler, etc. 1 and 2, which can protect the piston from sudden out of control impact. 3. It is the same as left according to the type or nature of combustibles. 4. when the endoscope (rotary floating direct reading flowmeter, observation window, etc.) handles combustibles at a temperature of more than 80% of the flash point, Use a camera equipped with a one-way valve or a facility based on this standard. Use a camera equipped with a one-way valve or an excess flow valve or a facility based on this standard to close the camera or use a facility equipped with a shut-off valve (usually a valve closed with a spring or load). 5. the special measuring or operating devices generally do not need to be equipped with a block valve or a container (reactor, etc.) of combustibles. Take dual hazard prevention countermeasures or install a safety valve, etc. (installed on each unit equipment respectively) 6. discharge it is very important to adapt to relatively large tension, isolation and cooling equipment. Generally, no discharge equipment, isolation equipment or cooling equipment is required to move combustibles from the building to other places, Sufficient equipment is required. 7. explosion proof countermeasures for vessels. All fire-proof equipment (such as inert gas filling or electrostatic elimination equipment) shall be set as special equipment maintained at the explosion limit and diluted or explosion-proof devices using inert gas. However, safety valves shall also be installed. (each unit equipment is installed separately) 8. gas detectors are not required to be set in places with poor ventilation or where there is a risk of combustible leakage. Except for installing gas alarms and automatic fire extinguishers, the rest are the same as the left 9. dust explosion prevention countermeasures are all in hoppers and piping, where there is a risk of powder explosion, Inert gas or static electricity elimination devices are the same as those on the left. 10. the explosion-proof and dust-proof of fire water are usually not the same. You can consult the manufacturer to separate the fire water piping or fire hydrant for protection. The disposal of underground burying and barrier isolation are the same as those on the left. 2.3.4 due to explosion, the fire water piping or fire hydrant for protection should be separated, The disposal of underground burying and barrier isolation is the same as above. 11. remote operation 1 usually does not need to set remote operation and monitoring devices on the same left. 2.3.4 the research on remote operation and monitoring devices is the same as above. 12. explosion proof wall 1 usually does not need to be on the same left outside the danger. 2.3.4 special dangerous places should be set on each device. The same as above should be set on each device. 13. physical separation separates the scope of each process flow, To make the loss lower than the preset maximum loss [example] blast wall; Sufficient thickness, height and safe distance; Sufficient distance and incombustible works shall be added between hazardous works. Countermeasures shall be taken to prevent the fire wall from being led to other areas from the drainage ditch. The safety distance shall be more than one time of the index of 20-40, and the other shall be the same as the left. 2.3.4 in order to reduce damage, the Countermeasures of separating the control room from the device shall be fully studied, and the same as the left

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