Water coal pulp fluidized suspension high effect cleaning combustion technology
A clean combustion, coal-water slurry technology, applied in fluidized bed combustion equipment, fuel burning in a molten state, combustion methods, etc., can solve problems such as increased NOX emissions, high temperature coking has not been effectively solved, and environmental pollution, etc. To achieve the effect of good load regulation characteristics, low cost and good quality adaptability
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[0018] The present invention will be further described through specific implementations below:
[0019] Quartz sand and limestone with a particle size of less than 5mm are added to the air distribution board of the non-uniform air distribution combustion device through the media bed material supplement device. The thickness of the media bed material layer is 200-450mm, and the amount of limestone given is based on the sulfur in the fuel. Content, determine the molar ratio of calcium to sulfur to be 2-4. Water is passed through the heating tube bundle of the combustion chamber. The primary air of 7000-14000Pa from the fan is sent into the bed through the non-uniform air distribution combustion device, so that the media bed material is in a fluidized state. The hot flue gas ejected by the flue gas generator on the upper or lower part of the air distribution plate of the non-uniform air distribution combustion device enters the combustion chamber to heat the media bed material to abo...
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