The main equipment of a waste incineration power plant includes an incinerator, a waste heat boiler, and a flue gas purification system.
The incinerator is a kind of environmental protection equipment that incinerates waste gas, waste liquid, solid waste fuel, medical waste, domestic waste, animal carcasses, etc. at high temperature to reduce or reduce the quantification number, and at the same time achieve the purpose of utilizing part of the heat energy of the incineration medium a product. The incinerator consists of a driving device, a combustion chamber and auxiliary facilities, and can be divided into a fixed incinerator and a movable incinerator.
The waste heat boiler consists of a drum, a movable hood, a flue at the furnace mouth, a flue at the first inclined section, a flue at the second inclined section, a flue at the end of the first section, a flue at the end of the second section, a feeding pipe (feeding chute) groove, oxygen It consists of muzzle, nitrogen sealing device and nitrogen sealing plug, manhole, differential pressure taking device, flue support and hanger, etc. Waste heat boilers are divided into oil-fired waste heat boilers, gas-fired waste heat boilers, coal-fired waste heat boilers and foreign media waste heat boilers according to fuel. According to the purpose, it can be divided into waste heat hot water boiler, waste heat steam boiler, waste heat organic heat carrier boiler, etc.
The flue gas purification system includes a sequentially connected combustion furnace, bag filter, desulfurization tower and denitrification tower. The desulfurization tower contains desulfurization reaction liquid, and the denitrification tower contains denitrification reaction liquid. The output end of the bag filter There is a first output pipe extending into the desulfurization reaction liquid, the output end of the desulfurization tower is provided with a second output pipe extending into the denitrification reaction liquid, a stirrer is provided in the desulfurization tower and the denitrification tower, and the combustion furnace Both the output end and the output end of the denitrification tower are equipped with a fan; it also includes a waste liquid storage tank, the lower ends of the desulfurization tower and the denitrification tower are equipped with a waste liquid output pipe, and the upper end of the waste liquid storage tank is equipped with a waste liquid input pipe , the waste liquid output pipe is detachably connected with the waste liquid input pipe, and a butterfly valve is arranged on the waste liquid output pipe. The flue gas purification system purifies the flue gas generated during the waste incineration process, eliminates the harmful components of sulfur and nitrogen in the flue gas, and finally discharges the purified gas that meets the standard into the atmosphere, reducing the pollution to the atmosphere.

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