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Self-limiting temperature electric heat tape main use and application scenes

The electric accompanies the tropical belt to have the self-regulating power and the constant power two forms, each form has the various specifications model; Usually according to the temperature interval, the composition structure, the rated voltage, the main use and so on divides into the different classifications.   The main use of electric accompanies the tropical belt is as a kind of heat compensation accompanies the heat element, is widely used in various industries, such as liquid, gas, solid material pipeline and tank heat compensation, as well as instruments and meters, mechanical equipment frostproof heat preservation and so on.   The main application scene of self-limiting temperature electric accompanying heat tape is generally for fire sprinkler pipe, water supply and drainage pipe anti-freezing and heat preservation, petroleum pipeline and storage tank anti-freezing and anticoagulation, chemical process temperature maintenance, roof or road surface snow melting and ice melting, and building heating, and so on.   Involved in civil, industrial, commercial and other major fields, is currently the mainstream of anti-freezing insulation, temperature maintenance. The electric accompanies the tropical belt in the country after nearly twenty years of development, not only the technical performance has been comprehensively improved, and extends out such as accompanies the heat sampling tube, accompanies the heat preservation box and so on a series of products. Its thermal efficiency is remarkable, and energy saving and environmental protection, the use is more and more extensive; Presented the trend of replacing hot water and steam and other traditional accompanying heat.

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Self-limiting temperature electric accompanying tropical classification and working principle

(1) According to the length of each heat tracing instrument pipeline and the medium to maintain the temperature, etc., to determine the type of electric heat tape, and calculate the length of electric heat tape, select the appropriate installation.   (2) the electric heat tape quality inspection, including: check the electric heat tape whether there are cracks and mechanical damage, etc.; check the electric heat tape waterproof performance. In the process of use, should also be required to do regular insulation checks.   (3) Instrumentation piping installation, test pressure should not be blocked, no leakage, no further modification, pipe wall rust removal and brush on the anti-rust primer. Instrumentation piping installation should take into account the convenience of construction of electric heat tape, do not close to the walls, steel frame and process piping, across the platform when the reserved hole should be larger.   (4) Laying electric heat tape generally from the upper end of the instrument piping. Differential pressure pipeline installation, as far as possible, the two pressure pipelines laid close to each other, in order to unify the use of pressure pipeline insulation, and can save insulation materials. In the installation of electric heat tape, if the accompanied heat medium temperature is low, close to the pressure point of a section of pipeline is easy to freeze, should pay attention to strengthen the accompanied heat and heat preservation.   (5) electric heat tape wrapped in the pipe wall, should be parallel to each other spiral, according to a certain pitch uniform winding. The surface of the tape is in good contact with the pipe wall, but the tape should not be pulled too tight, especially at the elbow, it should be relaxed. In the whole winding process, the electric heat tape itself do not overlap and cross (self-control temperature electric heat tape can cross, overlap), can not appear twisting phenomenon.   (6) for the maintenance of the part of the possible demolition, electric heat tape should not be wrapped around the top, can be along the pipeline on both sides with alkali glass cloth tape tied. When overhauling, first partially remove the electric heat tape, and then remove the other parts to avoid damage.   (7) electric heat tape installation and test power supply after normal, and then blackout for insulation and waterproof layer construction. Each pipeline insulation construction should be completed at once, the insulation layer can be used glass wool or cotton and other insulation materials, insulation layer can be made according to the size of the diameter of the pipe and the required temperature of the appropriate thickness, to try to be uniform. Then the waterproof layer construction.

15

2023

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02

Instrumentation electric heat tracing construction procedures

(1) According to the length of each heat tracing instrument pipeline and the medium to maintain the temperature, etc., to determine the type of electric heat tape, and calculate the length of electric heat tape, select the appropriate installation.   (2) the electric heat tape quality inspection, including: check the electric heat tape whether there are cracks and mechanical damage, etc.; check the electric heat tape waterproof performance. In the process of use, should also be required to do regular insulation checks.   (3) Instrumentation piping installation, test pressure should not be blocked, no leakage, no further modification, pipe wall rust removal and brush on the anti-rust primer. Instrumentation piping installation should take into account the convenience of construction of electric heat tape, do not close to the walls, steel frame and process piping, across the platform when the reserved hole should be larger.   (4) Laying electric heat tape generally from the upper end of the instrument piping. Differential pressure pipeline installation, as far as possible, the two pressure pipelines laid close to each other, in order to unify the use of pressure pipeline insulation, and can save insulation materials. In the installation of electric heat tape, if the accompanied heat medium temperature is low, close to the pressure point of a section of pipeline is easy to freeze, should pay attention to strengthen the accompanied heat and heat preservation.   (5) electric heat tape wrapped in the pipe wall, should be parallel to each other spiral, according to a certain pitch uniform winding. The surface of the tape is in good contact with the pipe wall, but the tape should not be pulled too tight, especially at the elbow, it should be relaxed. In the whole winding process, the electric heat tape itself do not overlap and cross (self-control temperature electric heat tape can cross, overlap), can not appear twisting phenomenon.   (6) for the maintenance of the part of the possible demolition, electric heat tape should not be wrapped around the top, can be along the pipeline on both sides with alkali glass cloth tape tied. When overhauling, first partially remove the electric heat tape, and then remove the other parts to avoid damage.   (7) electric heat tape installation and test power supply after normal, and then blackout for insulation and waterproof layer construction. Each pipeline insulation construction should be completed at once, the insulation layer can be used glass wool or cotton and other insulation materials, insulation layer can be made according to the size of the diameter of the pipe and the required temperature of the appropriate thickness, to try to be uniform. Then the waterproof layer construction.

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2023

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02

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