CN106643190A - Annular mobile tunnel kiln flue gas desulfurization device - Google Patents
Annular mobile tunnel kiln flue gas desulfurization device Download PDFInfo
- Publication number
- CN106643190A CN106643190A CN201710054476.7A CN201710054476A CN106643190A CN 106643190 A CN106643190 A CN 106643190A CN 201710054476 A CN201710054476 A CN 201710054476A CN 106643190 A CN106643190 A CN 106643190A
- Authority
- CN
- China
- Prior art keywords
- desulfurization
- tunnel kiln
- catalytic
- catalytic desulfurization
- tower
- 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.)
- Pending
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 81
- 230000023556 desulfurization Effects 0.000 title claims abstract description 80
- 239000003546 flue gas Substances 0.000 title claims abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 230000003197 catalytic effect Effects 0.000 claims abstract description 55
- 239000002253 acid Substances 0.000 claims abstract description 23
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 18
- 238000012856 packing Methods 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000006555 catalytic reaction Methods 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 2
- 239000000411 inducer Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 6
- 239000006227 byproduct Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/70—Non-metallic catalysts, additives or dopants
- B01D2255/702—Carbon
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses an annular mobile tunnel kiln flue gas desulfurization device. The desulfurization device is installed on the upper portion of the annular mobile tunnel kiln, the desulfurization device comprises a catalytic desulfurization tower, an acid liquor collector and a flue connecting the top of the catalytic desulfurization tower and an annular mobile tunnel kiln exhaust port, an acid liquor outlet is formed in the bottom of the catalytic desulfurization tower, the acid liquor collector is located below the acid liquor outlet, multiple catalytic desulfurization filling layers are arranged inside the catalytic desulfurization tower from top to bottom, each catalytic desulfurization filling layer comprises a grid rack and an activated carbon fiber desulfurizing agent installed on the grid rack, and the side wall of the catalytic desulfurization tower is provided with filling holes which are capable of being closed and correspond to the catalytic desulfurization filling layers. The desulfurization device integrates flue gas collection, desulfurization treatment and by-product recycling, the whole process deice is compact in structure, low in operation cost and small in occupied area, a by-product H2SO4 can serve as an industrial raw material for recycling and reusing, the economic benefit is high, and the device conforms to the green, cyclic and economical environmental protection policy.
Description
Technical field
The invention belongs to flue gas desulfurization technique field, and in particular to a kind of annular mobile tunnel kiln flue gas desulfurization dress
Put.
Background technology
Tunnel kiln is mainly used in brick and tile building material industry.Wherein, annular mobile tunnel kiln is due to its small investment, energy consumption
It is low, day by day rise the advantages of mechanization degree is high.But annular mobile tunnel kiln is in process of production, can produce a large amount of useless
Gas, wherein the SO comprising high concentration2Etc. contaminant component, and centralized collection process is difficult, is in most cases all directly arranged
Put, serious harm atmospheric environment.
Patent《A kind of Mobile rotary tunnel cave smoke evacuation dust-removing desulfurating apparatus》(application number：201410506748.9) propose
A kind of smoke evacuation dust-removing desulfurating apparatus for annular mobile tunnel kiln, are gathered up kiln gas using portable flue
Come, send into single dedusting and desulphurization system, processed.Although this patent proposes fume collection and the side for focusing on
Case, but desulphurization system is expressly recited, and need to be respectively directed to flue, dedusting in actual application, take off
The systems such as sulphur are individually designed and build, and investment construction cost is huge.
Patent《The vertical Refining Equipmeut for Desulfuration in Gas of annular mobile tunnel cave》(application number：201420192439.4) propose
The device that a kind of desulphurization system is combined as a whole with annular mobile tunnel cave, including kiln body, carrying apparatus, desulfurizing tower and storage
The components such as pond.This patent is relatively detailed to elaborate desulphurization system technique and arrangement, but is entered as absorbent using water
Row spray, absorbs SO2, its effect is poor, and the H for producing2SO3It is easy to decompose, causes secondary pollution.Therefore practicality compared with
Difference.
The content of the invention
Present invention aim to address the problems referred to above, there is provided a kind of annular mobile tunnel kiln flue gas desulfurization device, should
Desulfurizer with NACF desulphurization catalyst as core, using the efficient catalytic performance of NACF, by SO in flue gas2
It is converted into H2SO4, so as to reach desulfurization purpose.
To solve above-mentioned technical problem, the technical scheme is that：A kind of annular mobile tunnel kiln flue gas desulfurization
Device, the desulfurizer is installed on annular mobile tunnel kiln top, including catalytic desulfurization tower, acid solution collector and connection
The flue of catalytic desulfurization top of tower and shape mobile tunnel furnace fire grate mouth, the catalytic desulfurization tower bottom is provided with acid solution discharge
Mouthful, the acid solution collector is located at the lower section of acid solution outlet, if being from top to bottom provided with dried layer catalysis in the catalytic desulfurization tower
Desulfurization packing layer, the catalytic desulfurization packing layer includes grid beam and the NACF desulfurizing agent being installed on grid beam, institute
It is the desulphurization catalyst with NACF as carrier to state NACF desulfurizing agent.
Preferably, the chimney intake section is provided with blower unit.
Preferably, it is located on the catalytic desulfurization tower side wall at catalytic desulfurization packing layer and is additionally provided with closeable charging aperture.
Preferably, the catalytic desulfurization tower main body is cube shaped or cylinder, and bottom is the oblique cone bodily form, in beveled cone one
Side is provided with the exhanst gas outlet being connected with smoke discharging pipe.
The invention has the beneficial effects as follows：The annular mobile tunnel kiln flue gas desulfurization device that the present invention is provided, with activity
Carbon fibe desulphurization catalyst is core, integrates fume collection, desulfurization process, by-product recovery, whole set process apparatus structure
Compact, floor space is little, can move on circular orbit with tunnel kiln.This device is adopted with NACF as carrier
The desulphurization catalyst of preparation, can be reacted by efficiently catalyzing and oxidizing, by the SO in kiln gas2It is converted into H2SO4, accessory substance
H2SO4Can be recycled as the raw material of industry.NACF desulphurization catalyst can be by SO2It is converted into H2SO4, while can be natural
Separate out H2SO4, without the need for additional catalyst regenerating unit, therefore primary construction cost and later stage operating cost are greatlyd save, not only
Initial outlay is low, and high financial profit, meets the environmental protection policy of current " green, circulation, economy ".
Description of the drawings
Fig. 1 is annular mobile tunnel kiln flue gas desulfurization device application schematic diagram of the present invention；
Fig. 2 is annular mobile tunnel kiln flue gas desulfurization apparatus structure schematic diagram of the present invention.
Description of reference numerals：1st, burner；2nd, blower unit；3rd, flue；4th, catalytic desulfurization tower；5th, gas approach；6th, it is catalyzed
Desulfurization packing layer；7th, exhanst gas outlet；8th, acid solution collector；9th, exhaust opening；10th, filling hole.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described further with specific embodiment：
As shown in Figure 1-2, annular mobile tunnel kiln flue gas desulfurization device of the invention, the desulfurizer is installed on ring
Shape mobile tunnel kiln top, including catalytic desulfurization tower 4, acid solution collector 8 and flue 3, the connection catalytic desulfurization tower of flue 3
4 top and the exhaust opening 9 of annular mobile tunnel kiln.The bottom of catalytic desulfurization tower 4 is provided with acid solution outlet, acid solution collector
8 lower sections for being located at acid solution outlet.If being from top to bottom provided with dried layer catalytic desulfurization packing layer 6, catalytic desulfurization in catalytic desulfurization tower 4
Packing layer 6 is made up of grid beam and the NACF desulfurizing agent being installed on grid beam.On catalytic desulfurization tower side wall, it is provided with
The closeable filling hole 10 corresponding with catalytic desulfurization packing layer 6, for loading NACF desulfurizing agent on grid beam,
It is easy to regular maintenance and maintenance simultaneously.The flue gas produced in kiln production process, by the flue of kiln top, from catalytic desulfurization
Top of tower enters catalytic desulfurization tower, and passes sequentially through each packing layer, completes catalytic desulfurization course of reaction.Cigarette after process is up to standard
Gas, the exhanst gas outlet of Jing catalytic desulfurization towers bottom is discharged into smoke discharging pipe.NACF desulfurizing agent, is with NACF
For carrier, a series of desulphurization catalyst prepared by handling process, it is for SO2With efficiently catalyzing and oxidizing effect.
Below with specific Application Example, the present invention will be further described in detail, further to show the present invention's
Advantage and principle：In the present embodiment, annular mobile tunnel kiln flue gas desulfurization device A is located at annular mobile tunnel kiln
Front end, using support meanss the top of burner 1 is installed on.When tunnel kiln is moved in orbit, the desulfurizer follows tunnel
Kiln is moved together.The wherein top of burner 1 is provided with exhaust opening 9, and the top of catalytic desulfurization tower 4 is provided with gas approach 5, and the two of flue 3
Respectively exhaust opening 9 is connected with gas approach 5 at end, forms current path.The inducer of flue 3 is provided with blower unit 2, for by kiln
Kiln gas is collected and fed into catalytic desulfurization tower 4.
Catalytic desulfurization tower 4 is generally cube shaped, it is clear that can also be using other shapes such as cylinders, and bottom is beveled cone
Shape.The exhanst gas outlet 7 being connected with smoke discharging pipe is provided with beveled cone side, beveled cone bottom is provided with acid solution outlet, for receiving
The H formed in collection and discharge sweetening process2SO4Solution.Acid solution collector 8 is connected with acid solution outlet.Catalytic desulfurization reacted
The H produced in journey2SO4The beveled cone portion of catalytic desulfurization tower 4 is temporarily stored in, and acid solution is discharged to eventually through acid solution outlet
In collector 8.It is sequentially provided with catalytic desulfurization packing layer 6 mutually across a certain distance, catalytic desulfurization in catalytic desulfurization tower 4 from top to bottom
The quantity of packing layer 6 can flexibly be arranged according to the flue gas situation that actually need to be processed.Catalytic desulfurization is located on the side wall of catalytic desulfurization tower 4
Closeable charging aperture 10 is additionally provided with packing layer.NACF desulphurization catalyst is arranged in catalytic desulfurization by filling hole 10
On grid beam inside tower, catalytic desulfurization packing layer 6 is formed.
In running, annular mobile tunnel kiln flue gas desulfurization A year tunnel kiln of device is together moved in orbit.
When kiln works, the flue gas of generation introduces flue 3 from the exhaust opening 9 of burner front top, Jing blower units 2.Kiln gas
Jing flues 3, by the gas approach 5 at the top of catalytic desulfurization tower 4 catalytic desulfurization tower is entered, and is passed sequentially through from top to bottom each in tower
Catalytic desulfurization packing layer 6.SO in catalytic desulfurization packing layer 6, in kiln gas2Make in the catalysis of NACF desulfurizing agent
With under, there is catalytic oxidation, generate H2SO4, reach desulfurization purpose.Subsequently, the flue gas after desulfurization, Jing catalytic desulfurizations
The qualified discharge of exhanst gas outlet 7 of tower bottom.The H of generation2SO4Naturally flow down and collect, received by the acid solution of the bottom of catalytic desulfurization tower 4
Storage 8 is collected, H2SO4Can be recycled as the raw material of industry.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
It is each that those of ordinary skill can make various other without departing from essence of the invention according to these technologies enlightenment disclosed by the invention
Plant concrete deformation and combine, these deformations and combination are still within the scope of the present invention.
Claims (4)
1. a kind of annular mobile tunnel kiln flue gas desulfurization device, it is characterised in that：The desulfurizer is installed on annular movement
Formula tunnel kiln top, including catalytic desulfurization tower 4, acid solution collector 8 and the top of connection catalytic desulfurization tower 4 and annular mobile
The flue 3 of tunnel kiln exhaust opening, the bottom of the catalytic desulfurization tower 4 is provided with acid solution outlet, and the acid solution collector 8 is located at acid
The lower section of liquid outlet, if being from top to bottom provided with dried layer catalytic desulfurization packing layer 6 in the catalytic desulfurization tower 4, the catalysis is de-
Sulphur packing layer 6 includes grid beam and the NACF desulfurizing agent being installed on grid beam, and the NACF desulfurizing agent is
Desulphurization catalyst with NACF as carrier.
2. annular mobile tunnel kiln flue gas desulfurization device according to claim 1, it is characterised in that：The flue 3
Inducer is provided with blower unit 2.
3. annular mobile tunnel kiln flue gas desulfurization device according to claim 1 and 2, it is characterised in that：It is described to urge
To change be located on the side wall of desulfurizing tower 4 and be additionally provided with closeable filling hole 10 at catalytic desulfurization packing layer 6.
4. annular mobile tunnel kiln flue gas desulfurization device according to claim 1 and 2, it is characterised in that：It is described to urge
It is cube shaped or cylinder to change the main body of desulfurizing tower 4, and bottom is the oblique cone bodily form, is provided with beveled cone side and is connected with smoke discharging pipe
Exhanst gas outlet 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054476.7A CN106643190A (en) | 2017-01-24 | 2017-01-24 | Annular mobile tunnel kiln flue gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054476.7A CN106643190A (en) | 2017-01-24 | 2017-01-24 | Annular mobile tunnel kiln flue gas desulfurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106643190A true CN106643190A (en) | 2017-05-10 |
Family
ID=58841248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710054476.7A Pending CN106643190A (en) | 2017-01-24 | 2017-01-24 | Annular mobile tunnel kiln flue gas desulfurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106643190A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583462A (en) * | 2017-10-23 | 2018-01-16 | 安徽金森源环保工程有限公司 | A kind of combination type flue gas desulfurization denitrification apparatus and desulfurization denitration method |
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| CN204469541U (en) * | 2015-01-21 | 2015-07-15 | 成都国化环保科技有限公司 | A kind of lab scale desulfurization reactor |
| CN206504636U (en) * | 2017-01-24 | 2017-09-19 | 成都中祥天宇环保科技有限公司 | A kind of annular mobile tunnel kiln flue gas desulfurization device |
-
2017
- 2017-01-24 CN CN201710054476.7A patent/CN106643190A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101542205A (en) * | 2007-03-29 | 2009-09-23 | 三浦工业株式会社 | Low NOx combustion apparatus |
| CN101564640A (en) * | 2009-06-05 | 2009-10-28 | 华中科技大学 | Combined removal method for contaminants from coal-fired flue gas and special purification reactor thereof |
| CN102466405A (en) * | 2010-11-02 | 2012-05-23 | 魏胜英 | Desulfurizing and dust-removing device for movable type tunnel furnace |
| CN202254782U (en) * | 2011-09-03 | 2012-05-30 | 魏胜英 | Desulfurizing and dedusting device for movable tunnel kiln |
| CN102829624A (en) * | 2012-09-20 | 2012-12-19 | 惠州市方诚实业有限公司 | Desulfuration and impurity removal device and process of tunnel kiln exhaust gas |
| CN103615885A (en) * | 2013-08-03 | 2014-03-05 | 寿阳县大胜窑炉科技有限公司 | Turnover kiln with air distribution system arranged at bottom |
| CN103542717A (en) * | 2013-09-16 | 2014-01-29 | 南通市恒达机械制造有限公司 | Mobile tunnel kiln with desulfuration conducted in presintering section |
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| CN204469541U (en) * | 2015-01-21 | 2015-07-15 | 成都国化环保科技有限公司 | A kind of lab scale desulfurization reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583462A (en) * | 2017-10-23 | 2018-01-16 | 安徽金森源环保工程有限公司 | A kind of combination type flue gas desulfurization denitrification apparatus and desulfurization denitration method |
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Application publication date: 20170510 |