Shandong Huaning Electric Heating Technology Co., Ltd.
Selection of electric heating type of fire hydrant sprinkler system
Fire hydrant sprinkler system is an important fire prevention and fire extinguishing device. In engineering practice, due to improper handling of the design, construction, maintenance and other reasons, if the fire pipe is blocked or damaged by freezing, it will cause more serious damage consequences, we recommend using heating tape to solve.
Apr 01,2023
Fire hydrant sprinkler system is an important fire fighting device to prevent fires and fire fighting. In engineering practice, due to improper handling of design, construction, maintenance and other reasons, if the fire pipe is blocked or damaged by freezing, it will cause more serious damage. We recommend using heating tape for solution. The fire hydrant sprinkler system is an important fire prevention and fire extinguishing device. In engineering practice, due to improper handling of design, construction, maintenance and other reasons, if the fire pipe is blocked or damaged by freezing, it will cause more serious damage. The consequences, we recommend using heating tape to solve. 
Previously, the main and important type of insulation was steam heating. Its principle of operation is to compensate for the heat loss of the insulated pipeline by removing heat through the steam heating pipeline. However, since steam heat dissipation is not easy to control, its thermal insulation efficiency is always at a low level, so since the 1970 s, the US energy industry has proposed using electric heating instead of steam heating. Subsequently, many industries, including energy, began to promote electric heating technology. Since the development of electric heating technology, it has gone from traditional constant power electric heating to self-limiting temperature electric heating using conductive plastic as a core.
Since there is water in the sprinkler fire extinguishing pipeline, the heating temperature required for this substance is relatively low (guaranteed above 5 °C), so a self-regulating electric heating cable can be used to insulate and prevent fire. The pipeline from freezing. The tropical model has a simple device, uniform heating, accurate temperature control, remote control, remote control, convenient automatic control, high efficiency, can greatly reduce energy consumption, high reliability, long service life and save water resources. In addition, the electric heating cable also solves the complex problem of steam and water heating, which is beneficial to environmental protection. When freezing and heat preservation of fire pipelines, self-regulating electric heating cables "geostar" are widely used.
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Electrical heating installation precautions
Electric heating cable is a heating method that uses insulation resistance or resistance heating wire to create a temperature after power supply. It can automatically adjust the output temperature and reasonably maintain the process temperature requirements to keep warm, raise the temperature and protect the heating equipment from freezing. The insulation and antifreeze effect of the container is very good.
Which electric heating should be chosen for the main pipeline transport of heavy oil
Transport of heavy oil through the pipeline over long distances and long-term retention in the pipeline will result in a drop in temperature due to heat dissipation and increased viscosity, which will cause the pipeline to be blocked by freezing or condensation-related accidents. Electric heating is widely used as effective insulation of pipelines and anti-freeze protection.
Which electric heating cable should be considered for a 4 km pipeline
According to the statistics of the Hydrometeorological Center, the average daily minimum temperature at the location of the CNPC tank farm is 5 ° C, and the average daily maximum temperature is 14 ° C. Since the freezing point of the PX is about 15 °C, the supply pipeline needs heat preservation and heating. The oil depot has been in operation for many years without a stable source of steam, therefore, this project is considering the use of electric heating technology.
Application of outdoor electric heating cable in oil main pipelines with high paraffin content
Long-distance crude oil pipelines with a high paraffin content with freezing temperatures above 50 °C. According to the requirements of the production plan of the plant, the volume of oil transportation through the pipeline is 150 thousand rubles. Tons per year, maximum-200 thousand. Tons per year.. According to the thermodynamic analysis of the pipeline, the initial supply temperature of the pipeline is 80 ° C (TN), and the temperature of the end entering the tank is 60 ° C (Tu). Since the transportation temperature needs to be adjusted according to the time of year, it sometimes needs to be transported by heat.
What heating product to choose for main infusion pipelines
In petrochemical engineering, trunk infusion pipelines are the lifeblood of the factories. The temperature in the northern region is too low in winter and the pipeline needs to be insulated to compensate for the heat loss due to the low temperature in winter to ensure the normal operation of the pipeline.
The role of leather tracer cables in the insulation of asphalt main pipelines
The toughness of the asphalt is greatly affected by the temperature. When the temperature decreases, the toughness of the asphalt increases, and the drop in resistance of the asphalt during pipeline transportation increases; when the temperature falls below the freezing point, the asphalt solidifies, causing the pipeline to clog and the conveyor belt to come to trouble. Therefore, electric heating and heat preservation during the transportation of asphalt are very important.
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