Common troubleshooting methods for electric heaters

Common troubleshooting methods for electric heaters

1. Unable to heat (the internal heating wire of the electric heater is burnt out or the wire at the junction box is broken)

2. Electric heating tube rupture or rupture (electric heating tube cracks, electric heating tube corrosion and rupture, etc.)

3. Leakage (mainly due to automatic circuit breaker or leakage protection switch tripping, electric heating tube unable to heat), usually accounting for more than 90% of electric heater failures in this situation

Handling methods for electric heater faults:

If the heater cannot heat and the internal wire of the electric heating tube is broken and cannot be repaired, it can only be replaced; If the circuit or connector is open or loose, it can be reconnected.

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

If it is a leakage, the leakage point should be confirmed and considered according to the situation. If it is the electric heating tube itself, it can be baked in an oven; If the insulation resistance cannot be improved, the electric heating tube may need to be replaced; If the junction box is flooded with water, dry it with a hot air gun; If the wire is damaged, it can be wrapped with adhesive tape or replaced with a new one.

Heat pipes have a high thermal conductivity and the characteristic of transmitting a large heat flow under small temperature differences. We use a heat pipe waste heat boiler as a heat recovery device for low-temperature waste heat power generation in our low-temperature power generation system. From the table, it can be seen that only the comprehensive index of the plate fin heat exchanger is relatively close to that of the heat pipe heat exchanger (the number in parentheses in the table represents the quality factor, with the best being 5 and the worst being 0).

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