All mechanical devices occasionally malfunction or operate below a commonly accepted level of efficiency. Coal stokers are no exception to this rule. Table 3-1 lists…
Category: Coal Firing
Figure 3-11 illustrates the steps involved in a typical coal feed adjustment. Their order (in sequence) is as follows: 1. Select the proper amount of…
You will find it easier to remove the clinker if you let the fire cool off for 5 to 10 minutes before removing it. Turn…
Generally, the procedure involved in starting a fire in a stokerequipped heating installation includes the following steps: 1. Set the room thermostat above the room…
A bituminous coal, low in ash (6 percent or less), with an ash fusion temperature of 2200°F to 2600°F and 1 1?4-inch to 3?8-inch maximum…
Figure 3-8 illustrates typical controls for a stoker in a forced warmair heating system. There are approximately three basic automatic controls necessary for satisfactory operation…
Although there are variations in the type and design of domestic stokers, the general features are much the same. An elementary stoker is shown in…
A stoker is a mechanical device designed and constructed to automatically feed fuel to a furnace. Stokers are used in commercial, industrial, and domestic heating…
Semibituminous coal burns with far less smoke than the bituminous type. It ignites with more difficulty than bituminous coal but produces far less smoke. The…
Bituminous coal is a broad category encompassing many different burning characteristics and properties. Generally speaking, bituminous coals ignite and burn easily with a relatively long…