CN106492614A - A kind of wet purification method of acidic flue gas and device - Google Patents
A kind of wet purification method of acidic flue gas and device Download PDFInfo
- Publication number
- CN106492614A CN106492614A CN201611237351.XA CN201611237351A CN106492614A CN 106492614 A CN106492614 A CN 106492614A CN 201611237351 A CN201611237351 A CN 201611237351A CN 106492614 A CN106492614 A CN 106492614A
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- Prior art keywords
- flue gas
- alkali liquor
- packed layer
- housing
- bubble
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of wet purification method of acidic flue gas and device, of the invention by 1）Flow slowing down, 2）Bubble formation, 3）Flue gas catch, 4）The step of spray washing, and multiple wet method evolution principles such as spray, packed layer and impact are make use of, its reasonable disposition is connected as an entirety, alkali liquor and smoke contacts time and contact area is effectively improved, so as to effectively improve clean-up effect.The present invention is effectively increased the contact area of liquid and gas, is extended contact time by many kinds of measures such as bubble generator, packed layer and nozzles, so as to reach the purpose for strengthening clean-up effect.The present invention not only has good purification, but also there is simple structure, easy to use, purification high working efficiency, long service life.
Description
Technical field
The present invention relates to a kind of wet purification method of acidic flue gas and device, belong to acidic flue gas purification techniques field.
Background technology
In the industrial production, the control techniquess to acidic flue gas are essential.Spray column is mainly adopted at present, impact type is net
The purification styles such as change are purified to acidic flue gas.In existing purification style, as alkali liquor is short with the smoke contacts time, connect
Tactile limited area, so generally existing the undesirable problem of clean-up effect.
Content of the invention
It is an object of the invention to provide a kind of good purification and simple structure, easy to use, high working efficiency
The wet purification method and device of acidic flue gas, so that overcome the deficiencies in the prior art.
The technical scheme is that and be achieved in that：
A kind of wet purification method of acidic flue gas of the present invention is that the method includes the steps of：
1）Flow slowing down：The air-flow of acidic flue gas is flowed to thick mouth direction by the thin mouth of flaring air inlet, so that
Air-flow speed during flowing reduces, and so can increase the static pressure of air-flow, so as to be conducive to the purification of air-flow；
2）Bubble formation：The bubble generator for being provided with a large amount of apertures is used for bubble formation, and flaring air inlet is arranged
On the bubble generator, the air-flow of the acidic flue gas flowed to thick mouth direction from thin mouth is made to enter alkali after bubble generator
The flue gas of bubble shape is formed in liquid, so that the flue gas of bubble shape is increased with the contact area of alkali liquor, is conducive to flue gas
Purification；
3）Flue gas catches：Packed layer with Multicarity labyrinth passage is caught for flue gas, make the flue gas of bubble shape with
The drop or flue gas formed after alkali liquor contact passes through packed layer, there is in packed layer the alkali liquor that chemical reaction occurs with flue gas, fill out
The construction for filling layer increases the contact area of flue gas or drop and alkali liquor, and by packed layer, in the presence of inertial collision
It is more beneficial for the seizure to there is noxious pollutant in flue gas；
4）Spray washing：The flue gas remained after flue gas catches and drop in spray washing space and are used for spray washing
Nozzle spray alkali liquor react, so as to further remove the pollution in flue gas, through spray washing after flue gas can row
Go out.
Constituted according to said method and the wet purifying decice for a kind of acidic flue gas of the present invention of said method be,
The device includes housing, in housing built with bubble generator, packed layer and alkali liquor, is provided with air inlet and air draft in case top
Mouthful, the top in the housing is provided with the nozzle of spray equipment, and the lower end of bubble generator is located at below the liquid level of alkali liquor, packed layer
The ullage for being arranged on alkali liquor or the liquid level for being close to alkali liquor, it is enlarging, the loudspeaker that upper end is thin mouth that bubble generator is lower end
Shape, thin mouth are air inlet and connect with the air inlet of case top that enlarging is gas outlet, is provided with a large amount of apertures in enlarging,
Flue gas is entered in akaline liquid in the form of bubbles by the aperture on bubble generator under pressure.
The mazy passage of Multicarity is provided with above-mentioned packed layer.
Removable cover is provided with above-mentioned housing upper end.
Liquid pump is provided with above-mentioned housing, liquid pump is connected with nozzle by liquid distributor, and liquid pump can be by housing inner bottom part
Alkali liquor be uniformly sprayed on packed layer by nozzle.
Tapping pipe is provided with the lower side of above-mentioned housing, overflow pipe and filling pipe is provided with the upper side of housing.
As a result of above-mentioned technical proposal, the present invention has following beneficial effect：
Present invention utilizes spray, multiple wet method evolution principles such as packed layer and impact and by its reasonable disposition be connected as one whole
Body, can effectively improve alkali liquor and smoke contacts time and contact area, so as to effectively improve clean-up effect.The present invention passes through gas
Bubble generator, many kinds of measures such as packed layer and nozzle effectively increase the contact area of liquid and gas, when extending contact
Between, so as to reach the purpose for strengthening clean-up effect；Meanwhile, the setting of the packed layer of the present invention also effectively can be broken trapping solution papula foam
Split the water smoke of generation, it is to avoid discharge water content in flue gas too high.
So the present invention is compared with prior art, the present invention not only has good purification, but also there is knot
Structure is simple, easy to use, the advantages of purify high working efficiency, long service life.
Description of the drawings
Fig. 1 is overlooking the structure diagram of the present invention；
A-A cross-sectional views of the Fig. 2 for Fig. 1；
B-B cross-sectional views of the Fig. 3 for Fig. 1.
Description of reference numerals
Labelling in accompanying drawing for：1- housings, 2- removable covers, 3- air inlets, 4- exhaust outlets, 5- bubble generators, 6- packed layers,
7- lye pumps, 8- liquid distributors, 9- nozzles, 10- tapping pipes, 11- overflow pipes, 12- filling pipes.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
The invention provides a kind of wet purification method of acidic flue gas, bubble by the present invention occurs, is sprayed, packed layer and
Its reasonable disposition is simultaneously connected as an entirety by multiple wet cleaning principles such as impact, and in order to realize this wet purification method
And invented a kind of wet purifying decice of acidic flue gas.
A kind of wet purification method of acidic flue gas of the present invention is that the method includes the steps of：
1）Flow slowing down：The air-flow of acidic flue gas is flowed to thick mouth direction by the thin mouth of flaring air inlet, so that
Air-flow speed during flowing reduces, and so can increase the static pressure of air-flow, so as to be conducive to the purification of air-flow；
2）Bubble formation：The bubble generator for being provided with a large amount of apertures is used for bubble formation, and flaring air inlet is arranged
On the bubble generator, the air-flow of the acidic flue gas flowed to thick mouth direction from thin mouth is made to enter alkali after bubble generator
The flue gas of bubble shape is formed in liquid, so that the flue gas of bubble shape is increased with the contact area of alkali liquor, is conducive to flue gas
Purification；
3）Flue gas catches：Packed layer with Multicarity labyrinth passage is caught for flue gas, make the flue gas of bubble shape with
The drop or flue gas formed after alkali liquor contact passes through packed layer, there is in packed layer the alkali liquor that chemical reaction occurs with flue gas, fill out
The construction for filling layer increases the contact area of flue gas or drop and alkali liquor, and by packed layer, in the presence of inertial collision
It is more beneficial for the seizure to there is noxious pollutant in flue gas；
4）Spray washing：The flue gas remained after flue gas catches and drop in spray washing space and are used for spray washing
Nozzle spray alkali liquor react, so as to further remove the pollution in flue gas, through spray washing after flue gas can row
Go out.
Constituted according to said method and the wet purifying decice for a kind of acidic flue gas of the present invention of said method be,
As shown in Figure 1-Figure 3, the device includes housing 1, in housing 1 built with bubble generator 5, packed layer 6 and alkali liquor, in housing 1
Top is provided with air inlet 3 and exhaust outlet 4, and the top in the housing 1 is provided with the nozzle 9 of spray equipment, the lower end of bubble generator 5
It is located at below the liquid level of alkali liquor, packed layer 6 is arranged on the ullage of alkali liquor or is close to the liquid level of alkali liquor, and bubble generator 5 is
It is the tubaeform of thin mouth that lower end is enlarging, upper end, and thin mouth is air inlet and connects with the air inlet 3 at the top of housing 1 that enlarging is
QI KOU, is provided with a large amount of apertures in enlarging, flue gas under pressure by the aperture on bubble generator 5 in the form of bubbles
Enter in akaline liquid.The mazy passage of Multicarity is provided with the packed layer 6.Removable cover is provided with 1 upper end of housing
2.Liquid pump 7 is provided with housing 1, and liquid pump 7 is connected with nozzle 9 by liquid distributor 8, enables liquid pump 7 by the alkali liquor of 1 inner bottom part of housing
Uniformly it is sprayed on packed layer 6 by nozzle 9, makes alkali liquor flow in this device internal order, and alkali liquor composition is uniformly divided
Cloth, it is ensured that strength of fluid is identical everywhere in this device, is conducive to the removal for polluting flue gas.Convenient with draining in order to supply water, in shell
The lower side of body 1 is provided with tapping pipe 10, is provided with overflow pipe 11 and filling pipe 12 in the upper side of housing 1.
In the present embodiment, the flue gas of pollution is mainly acidity, therefore in purifier storage for akaline liquid；This
The wet purifying decice of acidic flue gas is mainly by housing 1, bubble generator 5, packed layer 6 and spray equipment composition, spray equipment
Including nozzle 9；Housing 1 is located at below alkali liquor liquid level built with alkali liquor, 5 one end of bubble generator, and packed layer 6 is close to alkali liquor liquid
Face, nozzle are arranged above enclosure interior；Flue gas enters bubble generator 5 after intake stack enters this device, and air-flow exists
In the bubble generator 5 of enlarging, speed reduces, and static pressure increases；Flue gas is under pressure by the aperture on bubble generator 5
Entered in akaline liquid in the form of bubbles；Bubble forms a large amount of foams and water droplet after rising to liquid surface, increased flue gas with
The contact area of gas；Air-flow carries partial drop and enters packed layer 6, as inertial collision is acted on when drop passes through packed layer 6
It is captured；Flue gas enters sprinkling scrubbing space under differential pressure action through after packed layer 6 and enters traveling one to flue gas by spray equipment
Step is discharged outside this device by exhaust outlet 4 after purifying.
The bubble generator 5 of the present invention is tubaeform, and thin mouth is air inlet, and enlarging is gas outlet, and flared part, in enlarging
A large amount of apertures are set, and flue gas is entered in akaline liquid in the form of bubbles by the aperture on bubble generator 5 under pressure.
Due to used when having the mazy passage of Multicarity, flue gas or drop to pass through packed layer 6 in the packed layer 6 of the present invention
Property collision effect be captured, while Multicarity labyrinth passage also increases the contact area of flue gas or drop and alkali liquor.
Bottom alkali liquor uniformly can be sprayed on packed layer 6 by the liquid pump 7 set by the present invention by nozzle, and alkali liquor is in this dress
Put internal order flowing, it is ensured that strength of fluid is identical everywhere in this device.
The concrete application example of the above simply present invention, the present invention also have other embodiments, all employing equivalents
Or the technical scheme that equivalent transformation is formed, all fall within protection domain of the presently claimed invention.
Claims (6)
1. a kind of wet purification method of acidic flue gas, it is characterised in that：Comprise the steps of：
1）Flow slowing down：The air-flow of acidic flue gas is flowed to thick mouth direction by the thin mouth of flaring air inlet, so that
Air-flow speed during flowing reduces, and so can increase the static pressure of air-flow, so as to be conducive to the purification of air-flow；
2）Bubble formation：The bubble generator for being provided with a large amount of apertures is used for bubble formation, and flaring air inlet is arranged
On the bubble generator, the air-flow of the acidic flue gas flowed to thick mouth direction from thin mouth is made to enter alkali after bubble generator
The flue gas of bubble shape is formed in liquid, so that the flue gas of bubble shape is increased with the contact area of alkali liquor, is conducive to flue gas
Purification；
3）Flue gas catches：Packed layer with Multicarity labyrinth passage is caught for flue gas, make the flue gas of bubble shape with
The drop or flue gas formed after alkali liquor contact passes through packed layer, there is in packed layer the alkali liquor that chemical reaction occurs with flue gas, fill out
The construction for filling layer increases the contact area of flue gas or drop and alkali liquor, and by packed layer, in the presence of inertial collision
It is more beneficial for the seizure to there is noxious pollutant in flue gas；
4）Spray washing：The flue gas remained after flue gas catches and drop in spray washing space and are used for spray washing
Nozzle spray alkali liquor react, so as to further remove the pollution in flue gas, through spray washing after flue gas can row
Go out.
2. a kind of wet purifying decice of acidic flue gas, including housing（1）, it is characterised in that：In housing（1）Send out built with bubble
Raw device（5）, packed layer（6）And alkali liquor, in housing（1）Top is provided with air inlet（3）And exhaust outlet（4）, in housing（1）Interior is upper
Side is provided with the nozzle of spray equipment（9）, bubble generator（5）Lower end be located at alkali liquor liquid level below, packed layer（6）It is arranged on
The ullage of alkali liquor is close to the liquid level of alkali liquor, bubble generator（5）For lower end be enlarging, upper end be the tubaeform of thin mouth,
Thin mouth is air inlet and housing（1）The air inlet at top（3）Connection, enlarging is gas outlet, is provided with little in a large number in enlarging
Hole, flue gas pass through bubble generator under pressure（5）On aperture entered in akaline liquid in the form of bubbles.
3. the wet purifying decice of acidic flue gas according to claim 2, it is characterised in that：The packed layer（6）Inside set
There is the mazy passage of Multicarity.
4. the wet purifying decice of acidic flue gas according to claim 2, it is characterised in that：In housing（1）Upper end sets
There is removable cover（2）.
5. the wet purifying decice of acidic flue gas according to claim 2, it is characterised in that：In housing（1）It is provided with liquid
Pump（7）, liquid pump（7）By liquid distributor（8）With nozzle（9）Connection.
6. the wet purifying decice of acidic flue gas according to claim 2, it is characterised in that：In housing（1）Lower side
Face is provided with tapping pipe（10）, in housing（1）Upper side be provided with overflow pipe（11）And filling pipe（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237351.XA CN106492614A (en) | 2016-12-28 | 2016-12-28 | A kind of wet purification method of acidic flue gas and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237351.XA CN106492614A (en) | 2016-12-28 | 2016-12-28 | A kind of wet purification method of acidic flue gas and device |
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| Publication Number | Publication Date |
|---|---|
| CN106492614A true CN106492614A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611237351.XA Pending CN106492614A (en) | 2016-12-28 | 2016-12-28 | A kind of wet purification method of acidic flue gas and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107519754A (en) * | 2017-09-26 | 2017-12-29 | 德清县荣昌冷轧带钢有限公司 | A kind of cold-strip steel acid mist purifying device |
| CN109801546A (en) * | 2019-01-30 | 2019-05-24 | 嘉兴市天篷农业休闲有限公司 | A kind of smoke head and the aerosol producer for Long March experience using the smoke head |
| CN110215793A (en) * | 2019-07-11 | 2019-09-10 | 苏州思诚者信息科技有限公司 | The processing method of high-temperature dyeing exhaust gas |
| CN113680202A (en) * | 2021-08-27 | 2021-11-23 | 福建欣隆环保股份有限公司 | Desulfurizing tower and desulfurizing method thereof |
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| CN105879650A (en) * | 2016-07-01 | 2016-08-24 | 福建卫东环保股份有限公司 | Bubbling type desulfuration dust removal machine system |
| CN205517196U (en) * | 2016-02-02 | 2016-08-31 | 深圳市科恩环保有限公司 | Environment -friendly waste gas purification |
| CN206350989U (en) * | 2016-12-28 | 2017-07-25 | 贵阳铝镁设计研究院有限公司 | A kind of wet purifying decice of acidic flue gas |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20140102932A (en) * | 2013-02-15 | 2014-08-25 | 엔텍스 주식회사 | An deodorizing apparatus for treating malodor gas and a production method for liquid fertilizer using thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107519754A (en) * | 2017-09-26 | 2017-12-29 | 德清县荣昌冷轧带钢有限公司 | A kind of cold-strip steel acid mist purifying device |
| CN109801546A (en) * | 2019-01-30 | 2019-05-24 | 嘉兴市天篷农业休闲有限公司 | A kind of smoke head and the aerosol producer for Long March experience using the smoke head |
| CN110215793A (en) * | 2019-07-11 | 2019-09-10 | 苏州思诚者信息科技有限公司 | The processing method of high-temperature dyeing exhaust gas |
| CN113680202A (en) * | 2021-08-27 | 2021-11-23 | 福建欣隆环保股份有限公司 | Desulfurizing tower and desulfurizing method thereof |
| CN113680202B (en) * | 2021-08-27 | 2023-09-22 | 福建欣隆环保股份有限公司 | Desulfurizing tower and desulfurizing method thereof |
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Application publication date: 20170315 |