Incinerator flue gas denitrification device
An incinerator and denitrification technology, which is applied in the direction of combined device, gas treatment, air quality improvement, etc., can solve the problems of inconvenient transportation and storage, and achieve the effects of avoiding pollution, high denitrification efficiency and low energy consumption.
Inactive Publication Date: 2017-11-21
无锡市曜通环保机械有限公司
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[0003] (1) The denitrification process mainly uses ammonia water as a reducing agent to react with nitrogen oxides in the flue gas; its disadvantage is that ammonia water and liquid ammonia are dangerous goods and are not convenient for transportation and storage
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[0011] The present invention will be further described below in conjunction with the accompanying drawings.
[0012] Such as figure 1 , figure 2 , image 3As shown, the present invention is an incinerator flue gas denitrification device, comprising an incinerator 1, a bag filter 2, a fan 3, an SCR reactor 4, an ammonia gasifier 5, and a wet electrostatic precipitator 6, characterized in that: The incinerator 1 is connected to the bag filter 2, the blower fan 3, the SCR reactor 4, the ammonia gasifier 5, and the wet electrostatic precipitator 6 through pipelines. Be connected with ammonia gas / air mixer 8, ammonia gas / air mixer 8 is connected with dilute ammonia fan 7 one way, and the other way is connected with ammonia buffer tank 9 outlets, and described ammonia gasifier 5 comprises air-bath type air Carburetor 50, water bath vaporizer 519, pressure regulating device, described air bath vaporizer 50 comprises two groups of symmetrical vaporization units, liquid inlet pipe ...
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The invention provides an incinerator flue gas denitrification device which comprises an incinerator, a bag-type dust collector, a fan, an SCR (selective catalytic reduction) reactor, an ammonia gasifier and a wet electric dust collector and is characterized in that the incinerator is connected with the bag-type dust collector, the fan, the SCR reactor, the ammonia gasifier and the wet electric dust collector by a pipeline; a catalyst layer is arranged in the middle of the SCR reactor; the upper part of the SCR reactor is connected with an ammonia / air blender; one path of the ammonia gas / air blender is connected with a diluted ammonia gas fan, and the other path of the ammonia gas / air blender is connected with an outlet of an ammonia gas buffer slot; the ammonia gasifier comprises an air bath type gasifier, a water bath type gasifier and a pressure regulating device; the air bath type gasifier comprises two groups of symmetric gasification units, a liquid inlet pipe, an air outlet pipe, a connecting pipe and a rack; each of the gasification units is fixed on the rack. According to the incinerator flue gas denitrification device, pollutants such as NOx, mercury, dioxin, smoke and the like in flue gas of the waste incinerator can be removed, so that the flue gas is discharged under certain standard, and the pollution to environment is avoided.
Description
technical field [0001] The invention relates to a flue gas denitrification device, in particular to an incinerator flue gas denitrification device, which belongs to the technical field of environmental protection. Background technique [0002] In the existing technology, the flue gas between 850°C and 1100°C produced by domestic waste after full incineration enters the waste heat boiler, and the flue gas flowing out of the waste heat boiler at 550°C to 600°C is reduced to 180°C by spray cooling equipment. At present, for the treatment of incinerator flue gas, the denitrification process mainly uses ammonia water as a reducing agent to react with nitrogen oxides in the flue gas; the above method has many disadvantages: [0003] (1) The denitrification process mainly uses ammonia water as a reducing agent to react with nitrogen oxides in flue gas; its disadvantage is that ammonia water and liquid ammonia are dangerous goods and are not convenient for transportation and storage...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B01D53/86B01D53/90B01D53/56B01D50/00
CPCB01D50/00B01D53/8631B01D53/90B01D2258/0283Y02A50/20
Inventor 戴顺国
Owner 无锡市曜通环保机械有限公司