Electric heating system for extinguishing fire in the area of the oil tank

Published on:

2023-03-10 11:22

The storage environment in the oil tank area has the characteristics of flammability, explosion and strong flow and diffusion. Fires and explosions in the oil tank area have the characteristics of rapid flame propagation, high combustion rate, high calorific value and strong thermal radiation Crude oil storage tanks and heavy oil Long-time combustion can also cause a boiling accident. As soon as a fire and explosion occurs at the oil depot, this will lead to serious human casualties, so the design of fire protection for the tank farm has become a top priority.

Large-sized vertical storage tanks are widely used in petrochemical plants, in addition to stationary fire cooling water installations. In addition to the fire extinguishing system with fire extinguishing foam, appropriate heating measures such as the addition of fire abacus are also required. However, in a cold winter at temperatures below 0 ° C, the water in the fire-fighting pipeline is in a static state and freezes easily, which leads to the unusable fire extinguishing system of the tank farm. Therefore, it is necessary to insulate the fire extinguishing pipeline. Due to the lack of ancillary facilities around the oil tank, general fire pipes use electric heating to keep them warm. Since the oil tank zone is a fire and explosion zone, the electric heating cable must be non-combustible, explosion-proof and anti-corrosion.

The principle of antifreeze technology for electric heating of the fire pipe is to attach the heating cable to the outside of the pipe to generate electricity, transfer the heat of the liquid in the pipe, and interact with the outer insulation layer of the pipe to compensate for and maintain the temperature of the liquid in the pipe to achieve the calculated temperature level.

With the rapid development of the equipment economy and the increase in the amount of petroleum products used in various places, people's demand for petroleum products is also increasing, which makes oil-related companies continue to grow. Oil production and storage poses a very big security threat that requires more attention. In order to ensure the reliable use of the fire protection system in winter and realize the insulation and antifreeze of the fire protection pipeline, the fire protection pipeline in the oil depot should take insulation measures. Conventional heat preservation can only delay the freezing time of pipelines, but cannot fundamentally solve the problem of antifreeze. A heating line must be laid between the pipeline and the insulation layer to compensate for the heat loss of the pipeline, keep its temperature within the normal operating range and actually achieve the antifreeze effect of the pipeline.

The principle of antifreeze technology for the electric heating of the fire pipe is to attach the heating cable to the outside of the pipe to generate electricity, transfer the heat of the liquid in the pipe, and interact with the outer insulation layer of the pipe to compensate and maintain the temperature of the liquid in the pipe to achieve the calculated temperature level.

With the rapid development of the equipment economy and the increase in the amount of petroleum products used in various places, people's demand for petroleum products is also increasing, which makes oil-related companies continue to grow. Oil production and storage poses a very big security threat that requires more attention. In order to ensure the reliable use of the fire protection system in winter and realize the insulation and antifreeze of the fire protection pipeline, the fire protection pipeline in the oil depot should take insulation measures. Conventional heat preservation can only delay the freezing time of pipelines, but cannot fundamentally solve the problem of antifreeze. A heating line must be laid between the pipeline and the insulation layer to compensate for the heat loss of the pipeline, keep its temperature within the normal operating range and actually achieve the antifreeze effect of the pipeline.

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