Method and device for continuously treating flue gas
A treatment method and technology of treatment device, which are applied in the direction of combination device, separation method, chemical instrument and method, etc., can solve the problems of increasing air dust content, affecting people's normal breathing, etc., and achieve the effect of less solid matter content
Inactive Publication Date: 2013-02-27
佛山市合璟节能环保科技股份有限公司
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[0002] The existing sulfide-containing flue gas is generally treated by spraying alkaline substances into the flue gas. Since the alkaline substances react with the compounds in the stream, solid substances are generally formed. If appropriate measures are not taken, these solid substances will
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[0014] Now in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
[0015] The flue gas continuous treatment method of the present invention is realized in this way, including the sulfide removal process and the smoke and dust removal process. The sulfide removal process is to introduce the flue gas in a high temperature and high turbulence state into the air guide pipe to reduce the turbulence of the flue gas , at the same time, spray lye in the form of scattered droplets with a diameter of 50-100 μm through the nozzle arranged in the middle of the air duct in the same direction as the flow of the flue gas. The sulfide reaction in the reaction produces Na 2 o 3 、Na 2 o 4 solution drops, Na 2 o 3 、Na 2 o 4 Solution drops and residual lye mist are dried into Na at high temperature in the flue gas 2 o 3 、Na 2 o 4 Dust, NaOH dust, when the liquid droplets are completely evaporated, the sulfur oxides can continue to...
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The invention relates to a method and a device for continuously treating flue gas. The device is characterized by comprising an air guide pipe, an alkaline liquid injection device, a flue gas filter, an induced draft fan and a smoke pipe, the alkaline liquid injection device comprises an alkaline liquid configuration tank and a nozzle, the air guide pipe comprises a gas-liquid mixed reaction section and a drying section, the flue gas filter comprises a dust chamber, a flue-dust retainer and a clean gas chamber, a filter bag is arranged in the dust chamber, an opening of the filter bag is communicated with the clean gas chamber, a gas inlet is communicated with the air guide pipe, a clean gas exhaust port is communicated with an air inlet of the induced draft fan, an air outlet of the induced draft fan is communicated with the smoke pipe, and a compressed air jet is arranged right above the opening of the filter bag of the clean gas chamber and is connected with a compressed air source through an air pipe. Compared with the prior art, the device has the advantages that sulfide in the flue gas can be continuously removed, the content of solid matters in the flue gas emitted into atmosphere is low, and the flue gas meets the emission standard.
Description
Technical field: [0001] The invention relates to a flue gas treatment technology. Background technique: [0002] The existing sulfide-containing flue gas is generally treated by spraying alkaline substances into the flue gas. Since the alkaline substances react with the compounds in the stream, solid substances are generally formed. If appropriate measures are not taken, these solid substances will The flue gas is discharged into the atmosphere. Although the chemical properties of these solid substances are stable, the solid substances discharged into the atmosphere will increase the dust content in the air. In severe cases, the excessive dust content will affect people's normal breathing. Invention content: [0003] The object of the present invention is to provide a continuous flue gas treatment method and device that can continuously remove sulfides in the flue gas, have less solid content in the flue gas discharged into the atmosphere, and meet emission standards. [...
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Login to View More IPC IPC(8): B01D53/78B01D53/48B01D50/00
Inventor 吴荣标潘润锦陈汝河杨伟辉张洪林潘俏君
Owner 佛山市合璟节能环保科技股份有限公司