Application of heat insulation for explosion-proof electric heating cable in special occasions
Source of information: Anhui Cable Group Co., Ltd. Browse times: 1034 Release time: 2018-07-16
The heat tracing system used for cold and frost insulation of pipes and tanks has outstanding thermal insulation effects, and has been widely used in northern China. The electric heat tracing is the main heating source, and the accessories of the electric tracing heat are combined to form the entire pipe insulation system. The main components of electric heat tracing are explosion-proof junction box, temperature controller, power junction box, aluminum foil tape, pressure-sensitive tape and other related products. For places with explosion-proof requirements, we need to choose explosion-proof electric heating cables and accessories according to the actual requirements of the site. .
In areas with special explosion-proof requirements, explosion-proof electric heating cables with high explosion-proof requirements must be selected. Generally, tin-plated copper stranded wires and constant-power explosion-proof electrical heating cables with core insulation are used. The sheath is made of P46 fluoroplastic extruded plastic. Withstand temperature up to 200 ℃, this temperature requirement can meet most applications. If the temperature requirement is higher, MI heating cable can be used. In addition, it is necessary to use an explosion-proof electric heat tracing distribution box to control the entire electric heating cable temperature control system. The explosion-proof grade of the explosion-proof distribution box is generally divided into 2 types of DIIBT4 and IP54. There are display instruments for different functions in the explosion-proof distribution box. Different temperature of the medium can be set through the display instrument, and the temperature of the tube wall can also be displayed. Each electric heating circuit of the distribution box has the functions of controlling short circuit, overload and leakage.
In practice, if the user does not know how to choose the explosion-proof electric heating cable and related electric heating cable accessories products, you can consult the electric cable heating manufacturers of Anhui Cable Group, and we will arrange professional technical personnel to assist you in model selection and Confirm to prevent the use of inappropriate models and accessories.
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