Waste incineration tail gas emission purification treatment process and special apparatus thereof

A tail gas emission and purification treatment technology, which is applied in the direction of incinerators, climate change adaptation, lighting and heating equipment, etc., can solve problems such as air pollution, human body, animal and plant harm, and soil environment damage, so as to solve pollution problems and reduce pollution. The generation of harmful substances in exhaust gas and the effect of controlling emissions

Inactive Publication Date: 2013-03-06
钟伏桥
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Because the temperature in the incinerator is only about 500 degrees during the incineration process, and the tail gas does not undergo any treatment, a large amount of harmful gases such as dioxins are produced in the tail gas and are directly discharged into the air, which seriously pollutes the atmospheric environment and is harmful to humans, animals and plants. cause great harm
A large amount of harmful substances such as heavy metals contained in the smoke and dust have not undergone any treatment, causing huge damage to the soil environment

Method used

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  • Waste incineration tail gas emission purification treatment process and special apparatus thereof

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Embodiment 1

[0011] Example 1, firstly, the flue gas is sent into the sealed water tank by the heat-resistant air pump, and the water wave and the mist are aroused to circulate and rotate, so that the flue gas is dedusted and enters the spray tower through the perlite gravel layer on the top of the water tank, and the dust is It settles at the bottom of the water tank, and then, the exhaust gas enters the spray tower, and under the spraying action of the alkaline emulsion atomizer, it decomposes sulfur dioxide, hydrogen chloride and acid gas, and controls the conditions for dioxin formation. Then, the tail gas enters the processor and undergoes agitation and disinfection treatment of mixed medicaments. The mixed medicaments include lime, alum, xanthic acid, and 6501 agents, and are mixed in the following weight ratio: 2 parts of lime, 0.2 parts of alum, 0.15 parts of xanthic acid , 0.15 part of 6501 agent, the preferred weight ratio is as follows: 2 parts of lime, 0.2 part of alum, 0.15 par...

Embodiment 2

[0012] Embodiment 2, fan 2 is installed on the flue 3 of the present invention, one end of the flue 3 communicates with the smoke outlet of the incinerator 1, and the other end of the flue 3 is connected in series with the processor 5 and the filter 6 respectively, and the filter 6 Smoke exhaust duct 7 is arranged on. refer to figure 1 , all the other are with embodiment 1.

Embodiment 3

[0013] Embodiment 3, the processor 5 of the present invention is designed as a sealed box, and a box partition is arranged in the box, the box partition is filled with water in the lower part of the box, and the box partition is filled with perlite The gravel layer is provided with a spray device on the upper part of the perlite gravel layer.

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Abstract

The invention relates to a waste incineration tail gas emission purification treatment process and a special apparatus thereof, wherein technical problems of difficult treatments on dioxin and heavy metals by the existing tail gas treatment apparatus and the like are mainly solved with the process and the special apparatus. Key points of the technical scheme comprise that: a fan (2) is arranged on a flue channel (3), one end of the flue channel (3) is communicated with a flue emission port of an incineration furnace (1), the other end of the flue channel (3) respectively forms a series connection with a processor (5) and a filter (6), and a flue emission channel (7) is arranged on the filter (6). According to the present invention, tail gas generated by incineration is subjected to five processes such as precipitation dust removing, desulfurization dechlorination, pharmaceutical agent treatment, adsorption purification and high temperature burn back so as to reduce tail gas harmful substance emission, particularly effectively control emissions of highly toxic gas dioxin, decompose heavy metals in tail gas precipitate, and effectively solve the problem of pollution on air and soil by tail gas after incineration.

Description

technical field [0001] The invention relates to a purification process and special equipment for waste incineration tail gas discharge. Background technique [0002] At present, traditionally, the incineration of domestic waste is generally carried out by sorting and screening the combustible parts into the incinerator for incineration, and the tail gas is directly discharged into the air through the chimney. Because the temperature in the incinerator is only about 500 degrees during the incineration process, and the tail gas does not undergo any treatment, a large amount of harmful gases such as dioxins are produced in the tail gas and are directly discharged into the air, which seriously pollutes the atmospheric environment and is harmful to humans, animals and plants. cause great harm. A large amount of harmful substances such as heavy metals contained in the smoke and dust have not been treated in any way, causing huge damage to the soil environment. Contents of the i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/75B01D53/81B01D47/02B01D53/04B01D53/46B01D53/50B01D53/68B01D53/40F23G7/06
CPCY02A50/2351
Inventor 钟伏桥
Owner 钟伏桥
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