Shandong Huaning Electric Heating Technology Co., Ltd.
Feb 09,2023
On the choice of electric heating cables for multiflange pipelines.
Flanges are parts that are interconnected between shafts and are used to connect the ends of pipes. When connecting an electric heating cable to the pipeline, in addition to the pipeline itself, there are corresponding valves and flanges. Pipeline spacing is generally rectilinear or sinuous, but the installation of shut-off valves and flanges is relatively complex and there are requirements for mounting coefficients, so calculations are required.
Industry News
Feb 08,2023
To prevent a cold spring, winding electric heating cables can prevent sewer pipes from freezing.
Sewage pipes in some old urban areas of Fangcheng are seriously aging, and under the influence of cold air in late spring, sediment in sewer wells freezes and sewer pipes become clogged, seriously affecting the normal life of residents. A new measure to protect the pipeline from freezing was the laying of electric heating cables along the outer wall of the pipeline.
Industry News
Feb 08,2023
Application of electric heating cables in chemical devices
When the ambient temperature is below the freezing point of the material, it is necessary to heat the pressure inlet pipe and the transducer to prevent freezing damage to the instrument, which will affect the normal operation of the process table measurement system and interfere with production.
Industry News
Feb 08,2023
Application of electric tracer cable in green irrigation system
When the winter temperature drops below 0 °C, the pipes of the greening sprinkler system freeze easily, in which case it is necessary to install thermal insulation protection for the sprinkler system. Among them, the electric heating cable is a good means of heat preservation and freezing protection.
Industry News
Feb 08,2023
Power plants, chemical plants, pharmaceutical plants and other enterprises will be equipped with special pipelines for wastewater treatment, however, the temperature in winter is low, especially in the northern regions, where the minimum winter temperature can be lower than-20 ° C. Pipelines are easily blocked by freezing, which affects production. Take the sewer pipe of a pharmaceutical plant as an example to see the thermal insulation and antifreeze effect of electric heating cables in sewer pipelines.
Industry News
Feb 06,2023
Diagram of electric heating sprinkler fire extinguishing system
The water in fire sprinkler pipes is static and is more likely to freeze in winter than in other types of water pipes. Although the time when the outside temperature drops below the freezing point in winter is relatively short, there is also a possibility that the static fluid in the pipeline may freeze. Therefore, the fire extinguishing system must be isolated. And electric heating is a very good insulation measure.
Industry News
Related Posts
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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