Stainless steel electric heating pipes are commonly used in hot air circulation systems to insulate and heat the space. The surface of the electric heating tube is wound with a metal heat sink, and the relative heat dissipation area is enlarged by 2 to 3 times. Therefore, under the same power condition, it has the advantages of fast heating, uniform heat generation and good heat dissipation performance. The electric heating tube is used in an environment with hot air circulation, and the power can reach 1.5 times that of the light tube. Under the same power conditions, it has the advantages of small size and small installation footprint.
Stainless steel electric heating tube refers to wrapping a metal heat sink on the original heating element, and expanding the heat dissipation area through the heat sink, thereby accelerating the heat dissipation. Electric heating pipes are often used in hot air circulation and insulation systems, and there should be insulation and insulation layers around to reduce heat loss. Generally, the wind speed of the electric heating tube is 8-12 m/s. If the wind speed is too high, it will increase the pressure head loss, and if the wind speed is too low, the heat dissipation efficiency will be reduced. Generally, it is installed in a staggered manner, so that the contact surface of the air flowing through is larger, and the heat is fully heated and taken away.
In addition, the wiring part of the stainless steel electric heating tube should be placed outside the insulation layer, on the one hand, it is convenient for future replacement, and on the other hand, it prevents the wiring part from being damaged due to excessive temperature. When it is idle for a long time, if the insulation resistance is lower than 1 megohm, it can be dried in an oven at about 200 ℃, or the voltage can be reduced and directly heated until the insulation resistance returns to normal. We determine the specific shape and size of the heating pipe according to the actual installation space, select appropriate installation accessories and processing parameters according to different use occasions, and determine the material and processing length of the heating pipe according to the use environment.
The stainless steel electric heating tube does not heat up when it is energized, generally because the heating wire inside the ceramic tube is broken by the instantaneous high current impact, and it occurs under unavoidable circumstances, because this kind of physical damage electric heating tube cannot be repaired only. Can be replaced, such as circuit or connector disconnection or loose reconnection. The main function of the electric heating tube is to heat the air to a certain temperature and use it, and it is also used in our common air dryer to reduce the air humidity. It has the characteristics of fast heating speed, long-term dry burning stability, and long service life.
