What Is a Coal Stoker

stoker, machine for feeding coal or other solid fuel into a furnace, usually supporting the fuel during combustion. … Power for running a stoker is usually furnished by an electric motor, and control of combustion is achieved by variable speed or intermittent drive.

How does a coal stoker work?

A mechanical stoker is a mechanical system that feeds solid fuel like coal, coke or anthracite into the furnace of a steam boiler. … The over feed delivers coal on to the top of the coals already in the furnace in the manner of a human working a shovel.

What are the classification of stoker?

Class 1 Stokers – 10 to 100 lbs (4.5 to 45 kg) coal per hour. Class 2 Stokers – 100 to 300 lbs (4.5 to 135 kg) per hour. Class 3 Stokers – 300 to 1200 lbs (135 to 540 kg) per hour. Class 4 Stokers – more than 1200 lbs (more than 540 kg) per hour.