How to add coal to a single-stage gas generator?
Adding coal is usually judged by the temperature of the gas outlet and the flame spray state of the burner in the heating furnace. When adding coal, you should do“Fast, even”. If the gas outlet temperature is high and there is an open flame, it means that the coal material layer is thin, and the amount of coal should be increased; if the burner fire is weak and the fire color is reddish, and there is a little black smoke, it means that the gas is insufficient. The gas furnace material layer may be burned through or slagging. Coal should be added or soldered in time to maintain normal vaporization in the furnace.
How to watch the fire in a single-stage gas generator?
When operating normally, the surface of the coal seam in the furnace will be red with uniform dark spots. In order to make the fuel evenly distributed along the cross section, break up the slagging formed in the fuel layer and eliminate the hanging material phenomenon in the coal seam, it should be drilled according to the combustion conditions in the furnace to ensure normal vaporization.
How to reduce coal slag operation in single-stage gas generator?
Due to improper operation or coal type, coal particle size, etc., slagging may occur, which is detrimental to the vaporization in the furnace. Slagging should be reduced from the following aspects: select a reasonable amount of steam according to the type and particle size of coal used; control the temperature of the combustion layer below the ash melting point; properly control the rhythm of slag discharging, and break the slag when necessary.
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