Coal Firing Furnaces-New Hampshire and Vermont Series Part 2, Lets talk a bit about the coal itself, and start-en the fire. Bituminous coal, is low in ash, its six percent or less, and with a ash fusion temperature of 2200F to 2600F and a 1 1/4 inch to 3/8 inch maximum sure is ideal for your coal furnace's stoker operation.

This is a peace of Bituminous Coal

And its highly recommended to use a oil treated coal. By do-en so it will eliminate the coal dust and will help to give your furnace's stoker a longer life. In most areas of our Country, a high quality coal is generally satisfactory and most economical to use. The annual coal tonnade for a U.S. stoker is usually low. Convenience and satisfaction are the primary factors consideted when folks are maken the decision to install a coal furnace so therefore, its recommended to always use a good coal. Be sure to consult with your local coal dealer or the manufacturer of the stoker for recommendations.

Coal Firing Furnaces-New Hampshire and Vermont Series Part 2, the procedure thats involved with start-en a fire in a stoker equipped heating unit, includes the follow-en steps.

1. Set the room thermostat above the room temperature.
2. Set the coal feed and the air setting to the proper rate.
3. Throw the line switch to the on position so that the stoker starts.
4. Open the hopper lid, and watch the feed screw for a bit, to make sure that its turning. Sometimes in shipping or when the hopper is being installed the stoker, the feed screw could very will slip off the shaft thats on the gear case. Always be sure that the feed screw is engaged before you put any coal into the hopper.
5. Fill the hopper with some coal.
6. Set the overfire air door on the furnace 1/4 to 1/2 open, and be sure to lock it in position.
7. Let the stoker run until the retort, inside the furnace or boiler, is filled with coal.
8. Place a quantity of paper, kindling wood, and a small amount of coal on top of the retort and ignite it.

Now you and your family will be toasty warm, on a cooled winters night.

Post 582 - 16 Sept. 2009

Link to Coal Firing Furnaces-New Hampshire and Vermont Series Part 3

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