Project Overview
Fire Warning Plan for the Petrochemical Industry
Petrochemical production involves the disposal of large amounts of flammable and explosive raw materials. The processes and storage operations require countless releases and corresponding ignitions of these raw materials. The release of flammable gases or liquids can lead to fires, with the type depending on the composition of the released materials, the release mechanism, changes in temperature and pressure, environmental conditions, and ignition points. With industrial development, the production and transportation of hazardous chemicals have been increasing year by year, leading to frequent accidents caused by hazardous chemicals. In recent years, accidents caused by hazardous chemicals in our country have been frequent and on the rise, resulting in increasing casualties, property losses, and environmental pollution, becoming one of the main sources of disasters. As one of the major types of industrial accident disasters, hazardous chemical accidents are characterized by rapid diffusion, long-lasting spread, large impact range, and high casualties and property losses.
Areas Prone to Fires
Causes of Fire
● Steam clouds caused by the release of flammable liquids or gases
● The emergence of flammable liquids in tanks or storage containers
● Pressure increase in storage containers exceeding the shell's capacity
● Ice formation due to water in the retention areas of the pipeline system
Maximum Limit ● Heating under unstable conditions ● Mixing of incompatible materials ● Transitional vibrations or deviations in the production process leading to releases |
Power Supply ● Losses during inerting, concentrating, or diluting processes ● Formation of flammable mixtures within the device ● Dust explosions |
Types of Fires
● Jet fire: Release of flammable liquid or gas from a damaged hole in a pressurized container or pipeline
● Flash fire: Often occurs at the ignition of flammable gas clouds and air
● Pool fire: Often occurs from flammable liquids in ground storage pits catching fire
● Moving liquid fire: Flowing state formed by the combustion of liquid crude oil to the surface
● Boiling liquid expanding vapor explosion (BLEVE) or fireball: Explosion caused by liquid in a storage container rapidly boiling and exceeding the boiling point due to pressure
● Steam cloud explosion: Combustion of flammable gas causes flames to spread rapidly and generate a sharp overpressure.
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Shaanxi Tu'an Intelligent System Co., Ltd.
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E-mail:libh@sx-tuan.com
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