(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.
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.