Let’s discuss what common situations usually cause smoking in bottom-blown furnaces
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In my opinion, on the one hand: the amount of coal powder used is too large； II: The negative pressure from bottom blowing is too low, affecting the exhaust of flue gas ； The high sulfur content in the three materials, along with the elevated furnace temperature, results in an increased amount of flue gas ； Severe slag accumulation in the four bottom tuyeres furnace
The boiler and electric dust collector are severely fouled, there is air leakage in the rising flue, and the liquid level control inside the furnace is inadequate.