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Composite efficient wet dust collector and dust collecting technology thereof

The utility model relates to a wet dust collector and a composite technology, which can be applied to combined devices, chemical instruments and methods, dispersed particle separation, etc., and can solve the problems of insignificant environmental improvement effect, insufficient gas-liquid contact and mixing, and low dust removal efficiency of the dust collector. To achieve the effect of simple structure, strong applicability and reasonable design

Active Publication Date: 2017-01-04
河南黑色生态科技有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the problems of insufficient gas-liquid contact mixing and short contact time in the existing wet dust collector, the dust removal efficiency of the dust collector is low and the effect of improving the environment is not significant

Method used

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  • Composite efficient wet dust collector and dust collecting technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A kind of dedusting process of composite high-efficiency wet dust collector, the dedusting process comprises the following steps:

[0031] Step 1: The dust concentration in the boiler flue gas discharge pipe is 700mg / m3 The flue gas enters the Venturi 2 through the induced draft fan 3 and the first inlet of the Venturi 2; the flow rate of the flue gas entering the Venturi 2 is 200000m 3 / h, the temperature is 130℃; the main component of the dust in the flue gas is: Al 2 o 3 , Fe 2 o 3 , SiO 2 , CaO; Among them, the proportion of dust with a particle size of less than or equal to 10 μm in the total dust volume is: 75%, and the proportion of dust with a particle size greater than 10 μm in the total dust volume is: 25%;

[0032] Step 2: The lye in the sedimentation tank 4 enters several layers of spray pipes 6 and Venturi 2 respectively through the circulating water pump 5;

[0033] Step 3: The flow rate in the step 1 is 200000m 3 / h, the flue gas with a temperature ...

Embodiment 2

[0038] A kind of dedusting process of composite high-efficiency wet dust collector, the dedusting process comprises the following steps:

[0039] Step 1: The dust concentration in the boiler flue gas discharge pipe is 1000mg / m 3 The flue gas enters the Venturi 2 through the induced draft fan 3 and the first inlet of the Venturi 2; the flow rate of the flue gas entering the Venturi 2 is 200000m 3 / h, the temperature is 160℃; the main component of the dust in the flue gas is: Al 2 o 3 , Fe 2 o 3 , SiO 2 , CaO; Among them, the proportion of dust with a particle size of less than or equal to 10 μm in the total dust volume is: 80%, and the proportion of dust with a particle size greater than 10 μm in the total dust volume is: 20%;

[0040] Step 2: The lye in the sedimentation tank 4 enters several layers of spray pipes 6 and Venturi 2 respectively through the circulating water pump 5;

[0041] Step 3: The flow rate in the step 1 is 200000m 3 / h, the flue gas with a temperatu...

Embodiment 3

[0046] A kind of dedusting process of composite high-efficiency wet dust collector, the dedusting process comprises the following steps:

[0047] Step 1: The dust concentration in the boiler flue gas discharge pipe is 850mg / m 3 The flue gas enters the Venturi 2 through the induced draft fan 3 and the first inlet of the Venturi 2; the flow rate of the flue gas entering the Venturi 2 is 200000m 3 / h, the temperature is 145℃; the main component of the dust in the flue gas is: Al 2 o 3 , Fe 2 o 3 , SiO 2 , CaO; Among them, the proportion of dust with a particle size less than or equal to 10 μm in the total dust volume is 77.5%, and the proportion of dust with a particle size greater than 10 μm in the total dust volume is 22.5%;

[0048] Step 2: The lye in the sedimentation tank 4 enters several layers of spray pipes 6 and Venturi 2 respectively through the circulating water pump 5;

[0049] Step 3: The flow rate in the step 1 is 200000m 3 / h, the flue gas with a temperature...

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Abstract

The invention belongs to a composite efficient wet dust collector and a dust collecting technology thereof. The composite efficient wet dust collector comprises an induced draft fan and a wet dust collector barrel, wherein the induced draft fan is connected with a boiler flue gas exhaust pipeline, and is connected with a lower gas inlet in the wet dust collector through a first inlet of a Venturi tube; a chimney is arranged at the top of the wet dust collector, multiple layers of spray pipes are arranged in the middle inside the wet dust collector barrel, a gas distributor and a cover plate are arranged below the multiple layers of spray pipes sequentially, a flue gas pipe is arranged between the gas distributor and the cover plate, and two vortex type dust collecting plates are mounted in the positions corresponding to the lower gas inlet of the wet dust collector and below the cover plate. The composite efficient wet dust collector has the advantages of being low in investment cost, reasonable in design, simple in structure and high in adaptability and integrating dust collection and desulfurization.

Description

technical field [0001] The invention belongs to the technical field of flue gas dust removal, and in particular relates to a composite high-efficiency wet dust collector and a dust removal process thereof. Background technique [0002] With the rapid development of industry, the emission of a large amount of smoke and dust has caused serious pollution to the environment and affected the survival and health of human beings. The existing wet dust collector utilizes the inertial collision and mixing of water droplets and smoke to make the smoke particles be carried away by the water flow. So as to achieve the purpose of dust removal. Due to the problems of insufficient gas-liquid contact mixing and short contact time in the existing wet dust collector, the dust removal efficiency of the dust collector is low and the effect of improving the environment is not significant. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00
CPCB01D50/40
Inventor 何欢欢周翔吴培刘伟顾朝晖宋仁委段东林曹重阳崔增涛
Owner 河南黑色生态科技有限公司