The defrost heating tube is filled with electric heating wire in the stainless steel 304 tube, and the gap part is filled with magnesium oxide powder with good thermal conductivity and insulation, and then processed into various shapes required by users. It has simple structure, high thermal efficiency, good mechanical strength, and good adaptability in harsh environments. When the defrost heater is used, the problem of leakage or shortened service life occasionally occurs. On the one hand, these problems may be due to the lack of quality of the electric heating tube itself, the reason for the leakage of the defrost tube heater use attention on the other hand may also be caused by improper use, so the storage and use of the electric defrost tubular heater need to pay attention to the following points:
Causes of electric heat pipe leakage Pay attention to the use of electric heat pipe
1, the storage location of the defrost heater must be kept dry and appropriate insulation resistance, if the use of the electric heat pipe storage environment insulation resistance is found to be too small, low voltage can be restored after use. The electric heating tube should be properly fixed before use, and the wiring part should be placed outside the insulation layer, and avoid contact with corrosive, explosive media and water.
2. Magnesium oxide at the outlet end of the defrost heating tube is easy to be polluted because of the infiltration of impurities and water, so pay attention to the state of the electric heat pipe outlet end during operation to avoid the leakage accident caused by it.
3, when the defrost tubular heater is used to heat easily melted metal or solid salt, paraffin, asphalt and other substances, it is necessary to melt the heating material first, then the external voltage of the electric heat pipe can be reduced, and then restored to the rated voltage after melting. In addition, when the electric heating tube heating salt and other substances prone to explosion accidents, safety measures should be fully considered.
4, when the electric defrost heater is used for air heating, pay attention to the uniform arrangement of the electric heat pipe, the advantage of this is to ensure that the electric heat pipe has a relatively full and uniform heat dissipation space, and to ensure the fluidity of the air as much as possible, and improve the heating efficiency of the electric heating tube.
5, non-standard electric heating tube used for liquid or metal solid heating, electric heating tube leakage reasons should pay attention to the use of electric tube heater must be completely placed in the heated object, do not allow the electric tubular heater empty burning situation. If there is scale or carbon on the outer metal shell after the use of the electric heat pipe, it should be removed in time to avoid affecting the heat dissipation performance and service life of the electric heat pipe.
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Post time: Mar-22-2024