Common faults of pipeline high-temperature electric heaters:

Common faults of pipeline high-temperature 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 the tripping of automatic circuit breakers or leakage protection switches, and the inability of electric heating tubes to heat), usually accounts for more than 90% of electric heater failures in this situation.

Methods for handling faults in pipeline electric heaters:

If the heater cannot heat up 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 the insulation resistance value of the electric heating tube itself cannot be improved, it can be baked in an oven. If it still cannot be reached after treatment, 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.

The expansion groove of the thermal oil furnace plays an important role in the hot oil circulation system:

1. Store the expansion after being heated;

2. Supplementing organic heat carriers;

3. Exhaust gas from the system during the heating process;

4. When injecting oil, first inject it into the tank and automatically flow into the circulation system pipeline, serving as an intermediate tank;

5. Replace the hot medium inside the furnace with cold oil during power outage;

6. High level supplementation effect.

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