Shandong Huaning Electric Heating Technology Co., Ltd.
Fire electric heating cables are commonly used for self-regulating heating cables and constant power heating cables.
There are two types of fire electric heating cables: self-regulating heating cables and constant power heating cables. Self-regulating heating cables are also called self-regulating point heating cables.
Aug 29,2022
There are two types of fire electric heating cables: self-regulating heating cables and constant power heating cables. Self-regulating heating cables are also called self-regulating point heating cables.
Self-temperature heating cable
Self-regulating electric heating cable can automatically limit the heating temperature, and the output power can be automatically adjusted according to the temperature of the heating element. It can be arbitrarily cut or lengthened within a certain range of length, allowing you to cross the overlap without worrying about overheating and burning at high temperature Maintenance is simple and energy-saving. The structure of the self-regulating electric heating belt consists of wire core, core, insulation, protective layer, shell and other parts. The voltage classification includes 24 V, 36 V, 110 V, 220 V, 380 V and other voltage levels, the fabrication material classification includes conventional heating cables, flame retardant heating cables (flame retardant core, flame retardant insulation, flame retardant shell) and fluorine materials electric heating belt (fluorine core belt, Fluoride material
material insulation, fluoride material shell), etc. D.
Product structure of self-monitoring and self-monitoring temperature electric heating cable
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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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