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What are the reasons for the leakage of the electric heating pipe by the manufacturer of the storage tank electric heater?

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What are the reasons for the leakage of the electric heating pipe by the manufacturer of the storage tank electric heater?

Date:2017-04-07 Author:Yicheng network Click:

The resistance wire of the high temperature electric heating tube is made of nickel and chromium alloy, and the temperature is above 800 degrees centigrade. Because of the high power of the high temperature electric heating tube, the fire can happen at any time if the user ignores the safety. High temperature electric heating pipes cause fire. One is to put the electrified high temperature electric heating tube on the combustible material or put it near the combustible material, and cause a fire under the long time high temperature baking. Two is the high temperature electric heating tube does not install the plug, directly inserts the wire head into the socket, so it is easy to cause the short circuit and fire. Three is the use of high temperature electric heating tube when leaving, did not pull the plug of high temperature electric heating tube, the time is too long, resulting in high temperature electric heating tube overheating, the adjacent combustibles ignite and cause a fire. The four is the continuous use of the resistance wire after multiple repairs, which can cause the line overload and cause the fire.

Air duct heater

Therefore, when used, inflammable and explosive materials should not be placed near the high temperature electric heating tube, and a certain safety distance must be maintained. The high temperature electric heating tube must be placed on the base of the nonthermal noncombustible material. The safe interception flow of the high temperature electric heating conductor must meet the capacity requirement of the high temperature electric heating pipe. The industrial high temperature electric heating tube must be equipped with a separate circuit under any circumstances. The wire must install the plug, not the high temperature electric heating pipe thread is directly inserted into the socket; high temperature electric heating wire aging damaged should be replaced promptly, the fuse is not installed in the circuit of high temperature electric heating pipes shall not be used; high temperature electric heating tube use must be left unattended, leave should be unplugged, if in the process of using also, power, will be timely high temperature plug electric heating tube, don't forget. For multiple repair wires, it is best not to use the wire and the new resistance wire should be replaced. Flammable and explosive articles must not be dried with high temperature electric heating pipes. The electric oven should have a device to control the temperature, not only to prevent the temperature from being too high, but also to prevent the high temperature heating tube from baking too long.

The speed of adding electric heater is mainly through 2 ways. The first is to use diode half wave rectification to change the effective value of alternating current, so as to change the purpose of heating power and heating speed. This method is applied most, and its advantage is simple circuit structure and convenient operation. The second kind is pressure variable, with small transformer pressure, the advantage is multi - gear adjustment, the disadvantage is that the circuit structure is more complex, the production cost is high. So today, the tank electric heater manufacturer will tell you about the electric heater, as follows:

Cannot be heated (the electric heater inside the electric heater is burned or the wiring box is broken).

Rupture or fracture of the electric heating tube (heat pipe crack, corrosion rupture of electric heating tube, etc.);

Leakage (mainly automatic circuit breaker or leakage protection switch tripping, electric heating tube can not be heated), usually this situation accounts for more than 90% of the electrical heater failure.

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Treatment of electric heater failure:

If the heater can not be heated, and the inner part of the heating tube is broken, it can't be repaired. It can only be replaced. If the line or joint is open or loose, it can be reconnected.

If the electric heating pipe is broken or broken, then only the electric heating tube is replaced.

If the leakage is to confirm the leakage point, the situation is considered. If it is the electric heating tube itself, it can be roasted in the oven. If the insulation resistance doesn't go up, it may need to replace the electric heating tube. If the junction box is heated by water heater, it can be dried by hot air gun. If the wire breaks, then it can be wrapped or replaced by the tape.


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