How to use explosion-proof electric heater correctly?
In the whole process of normal application, the regular inspection of explosion-proof electric heaters should be terminated. The key point is for some electrical connections, including the level of tightness and looseness of the connection ends on the spot and in the processing plant. If aging problems are found, the inspection and maintenance should be terminated immediately. maintenance. To prevent leakage problems. If during application, it is found that the casing or connection of the explosion-proof electric heater is rusty, the power should be turned off, and the rust should be scrubbed and cleaned before application. When the explosion-proof electric heater is installed in some relatively low temperature sites, safety measures should be taken before application to prevent the material from being locked up and damaging the equipment. The application of explosion-proof electric heater requires that the gas source be connected in accordance with the relevant steps, and the plug-in of the explosion-proof electric heater can be terminated after the air supply requirement is reached and the flow rate is stable. If the air supply is suddenly interrupted during application, the switching power supply should be cut off immediately. In normal times, the inspection of each device of the explosion-proof electric heater should be terminated on time, and it is certain that the insulation layer is intact. If the explosion-proof electric heater is damaged, it is safe to think about it, and it is best to replace it with a new termination application. If the maintenance must be terminated, special attention should be paid to the maintenance methods to prevent risks.
Explosion-proof heaters show fouling and may damage the heating appearance. Everyone usually requires the use of various actuators. Explosion-proof actuator is one of them. The error-prone idiom of explosion-proof heater should be a type of water heater analogous to safe and fortunate, but it does not mean that it is safe and firm under all circumstances and requires good maintenance. If these aspects are not done well, such as scaling, it may cause problems with its characteristics. Next, the pipeline heaters, explosion-proof heaters, and gas heater manufacturers will carefully analyze the three possible fouling situations for you.
Fuel waste: After the explosion-proof heater becomes fouled, the heat transfer function of the heating surface decreases. The heat released by the ignition of the fuel cannot be transferred to the generator water immediately. A lot of heat is taken away by the exhaust flue gas, resulting in a high exhaust pipe temperature. If the well is lost and the smoke is bright, the heating power of the anti-excitation heater will be reduced. In order to better comply with the additional main parameters of anti-house heating reputation, it is necessary to sign up for a large number of combustion departments, and then waste fuel. About 1 millimeter is a waste of 10% of the fuel.
Destruction of the heating surface: Calibrate the waterfall heater. Because the heat transfer function is reduced, the heat ignited by the fuel cannot quickly migrate to the generator water, causing the furnace and flue gas temperature to rise. As a result, the temperature difference between the two sides of the heating surface increases, the temperature of the metal increases, and the strength decreases. Under the effect of generator pressure, a bulge or explosion occurs.
The output of the explosion-proof heater is reduced: after fouling, the heat transfer function of the explosion-proof heater is reduced, and a large amount of fuel is required to reach the additional evaporation. However, along with the increase in fouling thickness, the furnace volume is certain and fuel consumption is limited. Therefore, the output of the explosion-proof heater will decrease and corrode.
