CN107185358A - A kind of integrated removing means of dry method flue gas pollutant - Google Patents
A kind of integrated removing means of dry method flue gas pollutant Download PDFInfo
- Publication number
- CN107185358A CN107185358A CN201710518120.4A CN201710518120A CN107185358A CN 107185358 A CN107185358 A CN 107185358A CN 201710518120 A CN201710518120 A CN 201710518120A CN 107185358 A CN107185358 A CN 107185358A
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- CN
- China
- Prior art keywords
- flue gas
- focus layer
- chamber
- active focus
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/06—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/10—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
-
- 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 integrated removing means of dry method flue gas pollutant, middle flue gas collection chamber, active focus layer, air-flow dipped chamber and dirt pocket are from inside to outside successively, former flue gas cloth air chamber is socketed on the side of active focus layer bottom, inlet flue duct is connected through former flue gas cloth air chamber with the side of active focus layer bottom, the inwall of active focus layer as middle flue gas collection chamber outer wall, lateral surface at the top of active focus layer is connected with the side wall at the top of air-flow dipped chamber, the bottom of air-flow dipped chamber is connected with the bottom of dirt pocket, neat stress collection chamber is socketed on the outer wall at the top of active focus layer, cloth bag is located in dirt pocket, the top of the top exit of cloth bag through dirt pocket is connected with neat stress collection chamber, net flue is connected with the outlet of neat stress collection chamber, so as to realize SO2, NOx, flue dust and Hg, SO3, the pollutant removing such as HCl, HF effective integration, the resistance of the interior flue gas of the device is small, and energy consumption is small, and floor space is small.
Description
Technical field
The invention belongs to smoke pollution of boiler thing removing sulfuldioxide field, it is related to a kind of dry method flue gas pollutant integration removing
Device.
Background technology
As atmosphere polluting problem is increasingly serious in recent years, country and local government department have put into effect tightened up pollutant
Emission limit standard, it is desirable to which smoke dust discharge concentration is not higher than 10mg/m3, inlet flue gas smoke content in active coke desulphurizing technique
The scope of application is not higher than 100mg/m3, the smoke content after active coke desulphurizing is generally higher than 40mg/m3, it is unsatisfactory for soot emissions
It is required that, it is necessary to set up primary dust removing device after active coke desulphurizing device, and arrange deduster most after active coke desulphurizing adsorption tower
It is that big resistance, high energy consumption, floor space are big the problem of big.
The content of the invention
It is an object of the invention to the shortcoming for overcoming above-mentioned prior art, there is provided a kind of integration of dry method flue gas pollutant
Removing means, the resistance of the interior flue gas of the device is small, and energy consumption is small, and floor space is small.
To reach above-mentioned purpose, the integrated removing means of dry method flue gas pollutant of the present invention includes middle flue gas collection
Air chamber, active focus layer, air-flow dipped chamber, dirt pocket, inlet flue duct, former flue gas cloth air chamber, neat stress collection chamber, cloth bag and net cigarette
Road；
Middle flue gas collection chamber, active focus layer, air-flow dipped chamber and dirt pocket from inside to outside successively, former flue gas cloth air chamber set
The side of active focus layer bottom is connected to, inlet flue duct is connected through former flue gas cloth air chamber with the side of active focus layer bottom, activity
The inwall of focus layer is used as the outer wall of middle flue gas collection chamber, the lateral surface at the top of active focus layer and the side wall at the top of air-flow dipped chamber
It is connected, the bottom of air-flow dipped chamber is connected with the bottom of dirt pocket, neat stress collection chamber is socketed at the top of active focus layer
On outer wall, cloth bag is located in dirt pocket, and the top of top exit through the dirt pocket of cloth bag is connected with neat stress collection chamber, only
Flue is connected with the outlet of neat stress collection chamber.
Also include feed hopper, insertion plate door and distributing device, wherein, the outlet of feed hopper is connected with the entrance of distributing device, cloth
The outlet of glassware is connected with the entrance of active focus layer, and insertion plate door is provided with the link position of feed hopper and distributing device.
The bottom of active focus layer is provided with dump skip, the outlet at bottom of dump skip and is provided with discharge valve.
The bottom of middle flue gas collection chamber is provided with the first ash-unloading hopper, the outlet at bottom of the first ash-unloading hopper and is provided with first
Unloading valve.
The bottom of dirt pocket is provided with the second ash-unloading hopper, the outlet at bottom of the second ash-unloading hopper and is provided with the second unloading valve.
The outer wall of active focus layer bottom is provided with some first former flue gas gas distribution grids and some second former flue gas gas distribution lattice
Grid, wherein, each first former flue gas gas distribution grid is sequentially distributed from top to bottom, and each second former flue gas gas distribution grid is from top to bottom successively
Distribution, and each first former flue gas gas distribution grid is at the position that former flue gas cloth air chamber is connected with active focus layer；Each second is former
Flue gas gas distribution grid is located at the position that active focus layer is connected with air-flow dipped chamber.
The inwall of active focus layer is disposed with some middle flue gas gas collection grids from top to bottom.
Blowing valve is provided with net flue, wherein, top exit of the blowing valve just to cloth bag.
Also include the first deflector and the second deflector, wherein, the first deflector and the second deflector are loop configuration,
And first the top of deflector be connected with the inwall at the top of dirt pocket, and have gap between the first deflector and active focus layer,
Second deflector is socketed on the side in the middle part of active focus layer, the first deflector, the second deflector, the side at the top of active focus layer and
Inwall at the top of dirt pocket surrounds air-flow dipped chamber.
The invention has the advantages that：
The integrated removing means of dry method flue gas pollutant of the present invention uses integrated design, by middle flue gas gas collection
From inside to outside successively, flue gas is successively through inlet flue duct, former flue gas cloth air chamber, work for room, active focus layer, air-flow dipped chamber and dirt pocket
Property the side of focus layer bottom, middle flue gas collection chamber, the side on active focus layer top, air-flow dipped chamber, dirt pocket, cloth bag and net
Discharged after flue gas collection chamber from net flue, so as to realize SO2, NOx, flue dust, Hg, SO3, the pollutant removing such as HCl and HF it is effective
It is integrated, it is to avoid primary dust removing device is set up after active coke desulphurizing device, arrange deduster after solving active coke desulphurizing adsorption tower
The flue gas resistance that brings is big, high energy consumption, big floor space the problem of.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is top view of the invention.
Wherein, 1 it is inlet flue duct, 2 be former flue gas cloth air chamber, 3 be the first former flue gas gas distribution grid, 4 is middle flue gas collection
Gas grid, 5 be middle flue gas collection chamber, 6 be the first deflector, 7 be air-flow dipped chamber, 8 be dirt pocket, 9 be cloth bag, 10 be net
Flue gas collection chamber, 11 be net flue, 12 be feed hopper, 13 be insertion plate door, 14 be distributing device, 15 be active focus layer, 16 be discharging
Bucket, 17 be discharge valve, 18 be the first ash-unloading hopper, 19 be the second ash-unloading hopper, 20 be the first unloading valve, 21 be the second unloading valve, 22
For blowing valve.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to Fig. 1 and Fig. 2, the integrated removing means of dry method flue gas pollutant of the present invention includes middle flue gas gas collection
Room 5, active focus layer 15, air-flow dipped chamber 7, dirt pocket 8, inlet flue duct 1, former flue gas cloth air chamber 2, neat stress collection chamber 10, cloth
Bag 9 and net flue 11；Middle flue gas collection chamber 5, active focus layer 15, air-flow dipped chamber 7 and dirt pocket 8 are from inside to outside successively, former
Flue gas cloth air chamber 2 is socketed on the side of the active bottom of focus layer 15, and inlet flue duct 1 is through former flue gas cloth air chamber 2 and the active bottom of focus layer 15
The side in portion is connected, and the inwall of active focus layer 15 is used as the outer wall of middle flue gas collection chamber 5, the outside at the active top of focus layer 15
Face is connected with the side wall at the top of air-flow dipped chamber 7, and the bottom of air-flow dipped chamber 7 is connected with the bottom of dirt pocket 8, neat stress
Collection chamber 10 is socketed on the outer wall at the active top of focus layer 15, and cloth bag 9 is located in dirt pocket 8, and the top exit of cloth bag 9, which is passed through, to be removed
The top of dirt room 8 is connected with neat stress collection chamber 10, and net flue 11 is connected with the outlet of neat stress collection chamber 10.
Present invention additionally comprises feed hopper 12, insertion plate door 13 and distributing device 14, wherein, outlet and the distributing device 14 of feed hopper 12
Entrance be connected, the outlet of distributing device 14 is connected with the entrance of active focus layer 15, and the company of feed hopper 12 and distributing device 14
Connect and insertion plate door 13 is provided with position.
The bottom of active focus layer 15 is provided with dump skip 16, the outlet at bottom of dump skip 16 and is provided with discharge valve 17；It is middle
The bottom of flue gas collection chamber 5 is provided with the first ash-unloading hopper 18, the outlet at bottom of the first ash-unloading hopper 18 and is provided with the first unloading valve
20；The bottom of dirt pocket 8 is provided with the second ash-unloading hopper 19, the outlet at bottom of the second ash-unloading hopper 19 and is provided with the second unloading valve
21；Blowing valve 22 is provided with net flue 11, wherein, top exit of the blowing valve 22 just to cloth bag 9.
The outer wall of the active bottom of focus layer 15 is provided with some first former flue gas gas distribution grids 3 and some second former flue gas gas distributions
Grid, wherein, each first former flue gas gas distribution grid 3 is sequentially distributed from top to bottom, and each second former flue gas gas distribution grid is from top to bottom
It is sequentially distributed, and each first former flue gas gas distribution grid 3 is located at the position that former flue gas cloth air chamber 2 is connected with active focus layer 15；
Each second former flue gas gas distribution grid is located at the position that active focus layer 15 is connected with air-flow dipped chamber 7；Active focus layer 15 it is interior
Wall is disposed with some middle flue gas gas collection grids 4 from top to bottom.
Present invention additionally comprises the first deflector 6 and the second deflector, wherein, the first deflector 6 and the second deflector are
Loop configuration, and the inwall at the top of top and dirt pocket 8 of the first deflector 6 is connected, and the first deflector 6 and active focus layer
There is gap between 15, the second deflector is socketed on the side at the active middle part of focus layer 15, the first deflector 6, the second deflector, activity
The side at the top of focus layer 15 and the inwall at the top of dirt pocket 8 surround air-flow dipped chamber 7.
The present invention the course of work be：
Flow of flue gas process is：Flue gas is entered by inlet flue duct 1, then through the former flue gas gas distribution of former flue gas cloth air chamber 2 and first
Grid 3 passes through the side wall of the active lower end of focus layer 15 to enter in middle flue gas collection chamber 5, then again through middle flue gas gas collection grid
4 enter in the side wall on the active top of focus layer 15, after the side wall and the second former flue gas gas distribution grid that pass the active top of focus layer 15
Enter in air-flow dipped chamber 7, then entered from the outlet at bottom of air-flow dipped chamber 7 in dirt pocket 8, most filtered afterwards through cloth bag 9
Enter in neat stress collection chamber 10, then discharged from net flue 11.
Active coke adsorbent flow：Activated coke realizes even feeding by feed hopper 12 through insertion plate door 13 and distributing device 14, then
Flow, in flow process flue gas pollutant is adsorbed from top to bottom by self gravitation, then through dump skip 16 and unloaded
Material valve 17 is discharged.
The desulfuration efficiency of the present apparatus can reach 98%, and denitration efficiency can reach 30%, denitration efficiency during spray ammonia when not spraying ammonia
More than 80% is can reach, outlet smoke dust discharge concentration can be controlled in 10mg/m3Within, to Hg, SO3, the pollutant removing such as HCl, HF
Efficiency can reach more than 99%.
Claims (9)
1. the integrated removing means of a kind of dry method flue gas pollutant, it is characterised in that including middle flue gas collection chamber (5), activity
Focus layer (15), air-flow dipped chamber (7), dirt pocket (8), inlet flue duct (1), former flue gas cloth air chamber (2), neat stress collection chamber
(10), cloth bag (9) and net flue (11)；
Middle flue gas collection chamber (5), active focus layer (15), air-flow dipped chamber (7) and dirt pocket (8) are sequentially arranged from inside to outside,
Former flue gas cloth air chamber (2) is socketed on the side of active focus layer (15) bottom, and inlet flue duct (1) is through former flue gas cloth air chamber (2) with living
Property focus layer (15) bottom side be connected, the inwall of active focus layer (15) is used as the outer wall of middle flue gas collection chamber (5), activity
Lateral surface at the top of focus layer (15) is connected with the side wall at the top of air-flow dipped chamber (7), the bottom of air-flow dipped chamber (7) and dedusting
The bottom of room (8) is connected, and neat stress collection chamber (10) is socketed on the outer wall at the top of active focus layer (15), and cloth bag (9) is located at
In dirt pocket (8), the top of top exit through the dirt pocket (8) of cloth bag (9) is connected with neat stress collection chamber (10), net cigarette
Road (11) is connected with the outlet of neat stress collection chamber (10).
2. the integrated removing means of dry method flue gas pollutant according to claim 1, it is characterised in that also including feed hopper
And distributing device (14), (12) wherein, the outlet of feed hopper (12) is connected with the entrance of distributing device (14), and distributing device (14) go out
Mouth is connected with the entrance of active focus layer (15), and feed hopper (12) at the link position of distributing device (14) with being provided with insertion plate door
(13)。
3. the integrated removing means of dry method flue gas pollutant according to claim 1, it is characterised in that active focus layer (15)
Bottom be provided with dump skip (16), be provided with discharge valve (17) at the outlet at bottom of dump skip (16).
4. the integrated removing means of dry method flue gas pollutant according to claim 1, it is characterised in that middle flue gas gas collection
The bottom of room (5) is provided with the first ash-unloading hopper (18), the outlet at bottom of the first ash-unloading hopper (18) and is provided with the first unloading valve
(20)。
5. the integrated removing means of dry method flue gas pollutant according to claim 1, it is characterised in that dirt pocket (8)
Bottom is provided with the second ash-unloading hopper (19), the outlet at bottom of the second ash-unloading hopper (19) and is provided with the second unloading valve (21).
6. the integrated removing means of dry method flue gas pollutant according to claim 1, it is characterised in that active focus layer (15)
The outer wall of bottom is provided with some first former flue gas gas distribution grids (3) and some second former flue gas gas distribution grids, wherein, each first
Former flue gas gas distribution grid (3) is sequentially distributed from top to bottom, and each second former flue gas gas distribution grid is sequentially distributed from top to bottom, and each the
One former flue gas gas distribution grid (3) is located at the position that former flue gas cloth air chamber (2) is connected with active focus layer (15)；Each second former cigarette
Gas gas distribution grid is located at the position that active focus layer (15) is connected with air-flow dipped chamber (7).
7. the integrated removing means of dry method flue gas pollutant according to claim 6, it is characterised in that active focus layer (15)
Inwall be disposed with some middle flue gas gas collection grids (4) from top to bottom.
8. the integrated removing means of dry method flue gas pollutant according to claim 1, it is characterised in that in net flue (11)
Blowing valve (22) is provided with, wherein, top exit of the blowing valve (22) just to cloth bag (9).
9. the integrated removing means of dry method flue gas pollutant according to claim 1, it is characterised in that also led including first
Plate (6) and the second deflector is flowed, wherein, the first deflector (6) and the second deflector are loop configuration, and the first deflector
(6) top is connected with the inwall at the top of dirt pocket (8), and has gap between the first deflector (6) and active focus layer (15),
Second deflector is socketed on the side in the middle part of active focus layer (15), the first deflector (6), the second deflector, active focus layer (15)
Inwall at the top of the side at top and dirt pocket (8) surrounds air-flow dipped chamber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710518120.4A CN107185358A (en) | 2017-06-29 | 2017-06-29 | A kind of integrated removing means of dry method flue gas pollutant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710518120.4A CN107185358A (en) | 2017-06-29 | 2017-06-29 | A kind of integrated removing means of dry method flue gas pollutant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107185358A true CN107185358A (en) | 2017-09-22 |
Family
ID=59881013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710518120.4A Pending CN107185358A (en) | 2017-06-29 | 2017-06-29 | A kind of integrated removing means of dry method flue gas pollutant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107185358A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3535600C1 (en) * | 1985-10-05 | 1987-05-27 | Perfluktiv Consult Ag | Process for reducing the pollutant content of dusty smoke or process gases |
| CN201140010Y (en) * | 2007-12-27 | 2008-10-29 | 盐城中科节能环保技术创新服务有限公司 | Impulse inverse air draft bag-type dust-collector |
| CN102728217A (en) * | 2012-07-10 | 2012-10-17 | 中国华电工程(集团)有限公司 | Method and system for jointly desulfuration, denitration and demercuration by activated coke of moving bed |
| CN103230723A (en) * | 2013-04-22 | 2013-08-07 | 西安热工研究院有限公司 | Annular sectional cross-flow fume cleaning adsorption tower |
| CN204352712U (en) * | 2014-11-24 | 2015-05-27 | 江苏新中环保股份有限公司 | A kind of flue gas greasy dirt adsorption separation device for deduster |
| CN105688527A (en) * | 2014-11-27 | 2016-06-22 | 江苏康洁环境工程有限公司 | A device for removing sulfur dioxide and dioxin from sintering flue gas and a method therefor |
| CN206881462U (en) * | 2017-06-29 | 2018-01-16 | 西安西热锅炉环保工程有限公司 | A kind of dry method flue gas pollutant integration removing means |
-
2017
- 2017-06-29 CN CN201710518120.4A patent/CN107185358A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3535600C1 (en) * | 1985-10-05 | 1987-05-27 | Perfluktiv Consult Ag | Process for reducing the pollutant content of dusty smoke or process gases |
| CN201140010Y (en) * | 2007-12-27 | 2008-10-29 | 盐城中科节能环保技术创新服务有限公司 | Impulse inverse air draft bag-type dust-collector |
| CN102728217A (en) * | 2012-07-10 | 2012-10-17 | 中国华电工程(集团)有限公司 | Method and system for jointly desulfuration, denitration and demercuration by activated coke of moving bed |
| CN103230723A (en) * | 2013-04-22 | 2013-08-07 | 西安热工研究院有限公司 | Annular sectional cross-flow fume cleaning adsorption tower |
| CN204352712U (en) * | 2014-11-24 | 2015-05-27 | 江苏新中环保股份有限公司 | A kind of flue gas greasy dirt adsorption separation device for deduster |
| CN105688527A (en) * | 2014-11-27 | 2016-06-22 | 江苏康洁环境工程有限公司 | A device for removing sulfur dioxide and dioxin from sintering flue gas and a method therefor |
| CN206881462U (en) * | 2017-06-29 | 2018-01-16 | 西安西热锅炉环保工程有限公司 | A kind of dry method flue gas pollutant integration removing means |
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