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A flue gas purification system and method thereof

A flue gas purification system and flue gas purification technology, applied in the field of flue gas purification, can solve problems such as low efficiency, poor dust removal, desulfurization and mercury removal effects, and reduced air quality, and achieve simplified process flow, good dust removal effect, The effect of high dust removal efficiency

Active Publication Date: 2015-09-02
JIANGHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A flue gas purification treatment system in the prior art has low efficiency in dust removal, desulfurization, denitrification and mercury removal of emissions, and the effect of dust removal, desulfurization and mercury removal is relatively poor. The gas discharged by such a flue gas purification treatment device Expelling directly into the atmosphere degrades air quality

Method used

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  • A flue gas purification system and method thereof
  • A flue gas purification system and method thereof
  • A flue gas purification system and method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0036] Embodiments of the present invention provide a flue gas purification system, such as figure 1 As shown, the system includes: a flue gas purification device 35 , a circulation pump 39 and a balance buffer separation tank 40 .

[0037] Such as figure 2 , image 3 , Figure 4 and Figure 5 As shown, the flue gas purification device 35 includes a housing 4, an air intake passage 1 fixed on the housing 4, a liquid distribution pipe 16 and a supergravity machine arranged in the housing 4, and the bottom of the housing 4 is provided with a drain 6, the top of the housing 4 is provided with an air outlet 23, the side wall of the housing 4 is provided with a liquid inlet 19 and an air inlet, the air inlet is connected with the air inlet passage 1, and the radial section of the air inlet passage 1 Tangent to the housing 4, the supergravity machine includes a rotor with a rotor packing 15 and a rotating shaft 12, the rotor packing 15 is annular, and the liquid distribution pipe...

Embodiment 2

[0071] The flue gas purification method that the embodiment of the present invention provides, such as Figure 6 As shown, the flue gas purification system provided in Embodiment 1 is used, and the oxidation device 37 is used to carry out dry oxidation purification of the gas to be treated, which specifically includes the following steps:

[0072] The cooling liquid is injected into the cooling cavity 33 of the flue gas purification device 35 through the cooling liquid inlet 10, and the rotor in the flue gas purification device 35 is started to rotate.

[0073] The reaction liquid is passed into the balance buffer separation tank 40, and the reaction liquid in the balance buffer separation tank 40 is sent to the reaction liquid inlet 26 and the liquid inlet of the flue gas purification device 35 by the circulation pump 39 from the liquid outlet of the balance buffer separation tank 40. 9, and then spray into the flue gas purification device 35 through the liquid distribution p...

Embodiment 3

[0080] The method provided in the embodiment of the present invention adopts the flue gas purification system provided in the first embodiment, same as the second embodiment, uses the oxidation device 37 to carry out dry oxidation purification of the gas to be treated, the details are as follows:

[0081] The cooling liquid is injected into the cooling cavity 33 of the flue gas purification device 35 through the cooling liquid inlet 10, and the rotor in the flue gas purification device 35 is started to rotate.

[0082] The reaction liquid is passed into the balance buffer separation tank 40, and the reaction liquid in the balance buffer separation tank 40 is sent to the reaction liquid inlet 26 and the liquid inlet of the flue gas purification device 35 by the circulation pump 39 from the liquid outlet of the balance buffer separation tank 40. 9, and then spray into the flue gas purification device 35 through the liquid distribution pipe 16 and the nozzle 2 respectively.

[00...

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Abstract

The invention discloses a flue gas purification system and a method thereof, and belongs to the field of flue gas purification. The flue gas purification system comprises a flue gas purification device and a balance buffering separation jar. The flue gas purification device comprises a casing, a gas inlet channel and a liquid distribution pipe which are fixed on the casing, and a supergravity machine, a baffle plate and an inner cylinder which are arranged in the casing, wherein a baffle plate center hole matched with a channel formed by a rotor-packing inner ring is formed on the baffle plate; a liquid outlet of the balance buffering separation jar is communicated with a reaction liquid inlet and a liquid inlet of the flue gas purification device; and a liquid draining outlet of the flue gas purification device is communicated with a first inlet of the balance buffering separation jar. According to the flue gas purification system, the work of dust removal and adsorption of desulfuration, denitration and demercuration can be finished in the flue gas purification device once. The flue gas purification system is compact in structure, good in dust removing effect and high in removal efficiency. In addition, the flue gas purification method employing the flue gas purification system is simple in process and simple to operate.

Description

technical field [0001] The invention relates to the field of flue gas purification, in particular to a flue gas purification system and method thereof. Background technique [0002] When coal is burned, it produces a large amount of harmful substances such as dust, sulfur dioxide, nitrogen oxides, and heavy metal mercury. If these emissions are directly discharged into the atmosphere through the chimney without treatment, it will seriously pollute the atmospheric environment. Therefore, it is usually necessary to treat the coal after burning The flue gas is purified. [0003] There is a flue gas purification treatment system in the prior art, which mainly includes a centrifugal spray drying tower, a cyclone centrifuge and a supergravity washing machine, wherein the cyclone centrifuge is used to collect the powder entrained in the gas to be treated, and the supergravity washing The machine is used to remove the dust in the gas to be treated. The supergravity washing machine ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/78B01D53/60B01D53/64B01D50/00
Inventor 路平余国贤吴宏观晋梅
Owner JIANGHAN UNIVERSITY