What if fire grates of the thermal fluid heater are stuck?

(Question details) Specific performance:

The fire grate of the heat conducting furnace is stuck.

Answer：Cause of failure: 

（1）The grate plates are loose after the grate plate breaks or the pin falls off. 

（2）There are metal impurities in the coal that jam the grate; The grate is arched; The tip of the slag catcher (eagle iron) sinks, which is trapping the grate.

Troubleshooting: 

Clean the debris, replace the broken grates before starting, if it happens again, then stop rotation after a detailed inspection. If the eagle iron does not work, then adjust by hook through side door.