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What is the most likely cause of black smoke at the boiler exhaust during the normal operation of a steam boiler?

11 Oct, 19:52

Oct. 11, 2020, 7:52 p.m.
KnowledgeBase's gravatar image


The cause is an insufficient amount of combustion air which leads to incomplete combustion of the fuel in the furnace.

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11 Oct, 19:54

Oct. 11, 2020, 7:54 p.m.
3Eng's gravatar image

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