CN217287917U - Adopt SCR flue gas denitrification facility - Google Patents
Adopt SCR flue gas denitrification facility Download PDFInfo
- Publication number
- CN217287917U CN217287917U CN202220254897.0U CN202220254897U CN217287917U CN 217287917 U CN217287917 U CN 217287917U CN 202220254897 U CN202220254897 U CN 202220254897U CN 217287917 U CN217287917 U CN 217287917U
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- Prior art keywords
- reactor
- flue gas
- wall
- joint
- bolted
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000003546 flue gas Substances 0.000 title claims abstract description 28
- 239000003054 catalyst Substances 0.000 claims abstract description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000003245 coal Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 14
- 238000001914 filtration Methods 0.000 abstract description 7
- 241000309551 Arthraxon hispidus Species 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model relates to the technical field of flue gas denitration, and discloses an SCR flue gas denitration device, which comprises an economizer, wherein the bottom of the economizer is communicated with a first ash bucket, the top of the economizer is communicated with a smoke inlet pipe, an ammonia sprayer is arranged inside the smoke inlet pipe, the inner wall of the smoke inlet pipe is bolted with a filter screen and a fixed frame, the inside of the fixed frame is fixedly sleeved with a motor, and the output end of the motor is bolted with a rotating block; the utility model discloses a motor rotates and drives the turning block and rotates, and the turning block rotates and drives the dead lever and rotate the mode that makes the scraper blade clear up the filter screen surface, can reach the purpose to the filter screen clearance, guarantees the filtration efficiency of filter screen, has improved the efficiency of the processing of device, the utility model discloses an open fixed establishment, then open the case lid and will place the mode that the board was taken out along the spout, can reach the purpose of being convenient for change the catalyst, reduced work load, improved the efficiency of changing.
Description
Technical Field
The utility model relates to a flue gas denitration technology field specifically is an adopt SCR flue gas denitration device.
Background
The flue gas denitration technology mainly comprises a dry method (selective catalytic reduction flue gas denitration, selective non-catalytic reduction denitration) and a wet method. Compared with the wet flue gas denitration technology, the dry flue gas denitration technology has the main advantages that: low basic investment, simple equipment and process, high NOx removing efficiency, no wastewater and waste treatment and difficult secondary pollution. The denitration by the SCR method is to reduce NO in the flue gas into N2 in the presence of oxygen by using ammonia, CO, hydrocarbon or the like as a reducing agent in the presence of a catalyst. Examples of the reducing agent for the SCR reaction include NH3, CO, and H2, and further include methane, ethylene, propane, and propylene. The removal efficiency of NO is highest when ammonia is used as the reducing gas. The SCR reaction is a redox reaction and therefore follows either a redox mechanism or a Mars-van Krevelen-type mechanism. Currently, foreign scholars have agreed that the reactant of the SCR reaction is NO, not NO2, and that O2 participates in the reaction.
Present denitrification facility, can not clear up the filter screen, the dust in the filter screen filtration flue gas, when filtering, can adhere to a large amount of dusts on the filter screen, these dusts can lead to filter screen filtering performance to reduce, influence filtration efficiency, reduce processing speed, be convenient for also change the catalyst, general catalyst is located the inside of device, the long-time back of using of catalyst, the inside jam of catalyst, need change, in order to improve the treatment effect, when changing the catalyst, need unpack whole device apart to change, it is very troublesome, the work load has been increased, the work efficiency has been reduced, in order to solve the above-mentioned problem that exists, we propose an adoption SCR flue gas denitrification facility.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adopt SCR flue gas denitrification facility, possess and can clear up and be convenient for change catalyzed advantage to the filter screen, solved current denitrification facility can not clear up and be not convenient for change the problem of catalyst to the filter screen.
In order to achieve the above object, the utility model provides a following technical scheme: a denitration device adopting SCR flue gas comprises an economizer, wherein the bottom of the economizer is communicated with a first ash bucket, the top of the economizer is communicated with a smoke inlet pipe, an ammonia sprayer is installed inside the smoke inlet pipe, the inner wall of the smoke inlet pipe is bolted with a filter screen and a fixed frame, a motor is fixedly sleeved inside the fixed frame, the output end of the motor is bolted with a rotating block, the surface of the rotating block is bolted with a fixed rod, the surface of the fixed rod is bolted with a scraper, the bottom of the smoke inlet pipe is communicated with a second ash bucket, one end of the smoke inlet pipe is communicated with a reactor, the reactor is bolted with the surface of the economizer, the inner wall of the reactor is bolted with a rectifier, the inner wall of the reactor is provided with a chute, the inside of the chute is connected with a slide block in a sliding manner, a placing plate is bolted between the slide blocks, the top of the placing plate is bolted with a catalyst, the surface of reactor articulates there is the case lid, be provided with fixed establishment between the inner wall of case lid and reactor, rotate through the motor and drive the turning block and rotate, the turning block rotates and drives the dead lever and rotates the mode that makes the scraper blade clear up the filter screen surface, can reach the purpose to the filter screen clearance, guarantee the filtration efficiency of filter screen, the efficiency of the processing of device has been improved, through opening fixed establishment, then open the case lid and will place the mode that the board was taken out along the spout, can reach the purpose of being convenient for change the catalyst, the work load has been reduced, the efficiency of change has been improved.
Preferably, fixing mechanism includes the joint, the joint slides with the inner wall of case lid and cup joints, and the inner wall joint of joint and reactor, the surperficial bolt of joint has the regulation pole, be provided with first spring between the inner wall of joint and case lid, through setting up fixing mechanism, be convenient for fix the case lid.
Preferably, the inner wall of case lid slides and has cup jointed to support tight board, support to be provided with the second spring between the inner wall of tight board and case lid, support tight board and second spring through setting up, prevent to place the board and rock.
Preferably, the surface of the box cover is bolted with a handle, and the box cover is convenient to open by arranging the handle.
Preferably, the bottom of the reactor is communicated with a valve, and the valve is arranged to facilitate the discharge of water in the reactor.
Preferably, the bottoms of the economizer and the reactor are bolted with supporting legs, and the device is convenient to place by arranging the supporting legs.
Compared with the prior art, the utility model provides an adopt SCR flue gas denitrification facility possesses following beneficial effect:
1. the utility model discloses a motor rotates and drives the turning block and rotate, and the turning block rotates and drives the dead lever and rotate the mode that makes the scraper blade clear up the filter screen surface, can reach the purpose to the filter screen clearance, guarantees the filtration efficiency of filter screen, has improved the efficiency of the processing of device.
2. The utility model discloses an open fixed establishment, then open the case lid and will place the mode that the board was taken out along the spout, can reach the purpose of being convenient for change the catalyst, reduced work load, improved the efficiency of changing.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
FIG. 3 is a top sectional view of the partial structure of the present invention;
FIG. 4 is an enlarged view of the structure A in FIG. 2 according to the present invention;
fig. 5 is an enlarged view of the structure B in fig. 2 according to the present invention.
In the figure: 1. a coal economizer; 2. a first ash hopper; 3. a smoke inlet pipe; 4. an ammonia sprayer; 5. a filter screen; 6. a fixed mount; 7. a motor; 8. rotating the block; 9. fixing the rod; 10. a squeegee; 11. a second ash hopper; 12. a reactor; 13. a rectifier; 14. a chute; 15. a slider; 16. placing the plate; 17. a catalyst; 18. a box cover; 19. a fixing mechanism; 20. a clamping head; 21. adjusting a rod; 22. a first spring; 23. a resisting plate; 24. a second spring; 25. a handle; 26. a valve; 27. and (5) supporting legs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 2, 3, 4 and 5, a flue gas denitration device using SCR comprises an economizer 1, the bottom of the economizer 1 is communicated with a first ash bucket 2, the top of the economizer 1 is communicated with a flue gas inlet pipe 3, an ammonia sprayer 4 is installed inside the flue gas inlet pipe 3, a filter screen 5 and a fixed frame 6 are bolted on the inner wall of the flue gas inlet pipe 3, a motor 7 is fixedly sleeved inside the fixed frame 6, the output end of the motor 7 is bolted on a rotating block 8, the surface of the rotating block 8 is bolted on a fixed rod 9, the surface of the fixed rod 9 is bolted on a scraping plate 10, the bottom of the flue gas inlet pipe 3 is communicated with a second ash bucket 11, one end of the flue gas inlet pipe 3 is communicated with a reactor 12, the reactor 12 is bolted on the surface of the economizer 1, the inner wall of the reactor 12 is bolted on a rectifier 13, the inner wall of the reactor 12 is provided with a chute 14, the inner of the chute 14 is slidably connected with a slide block 15, and a placing plate 16 is bolted between the slide blocks 15, place the top bolt of board 16 and have connect catalyst 17, reactor 12's surface articulates there is case lid 18, be provided with fixed establishment 19 between case lid 18 and reactor 12's the inner wall, it rotates to drive turning block 8 through motor 7 and rotates, turning block 8 rotates and drives the mode that dead lever 9 rotates and make scraper blade 10 clear up filter screen 5 surface, can reach the purpose to filter screen 5 clearance, guarantee filter screen 5's filtration efficiency, the efficiency of the processing of device has been improved, through opening fixed establishment 19, then open case lid 18 and will place the mode that board 16 was taken out along spout 14, can reach the purpose of being convenient for change catalyst 17, the work load is reduced, the efficiency of change is improved.
Further, fixing mechanism 19 includes joint 20, and joint 20 and the inner wall of case lid 18 slip cup joint, and joint 20 and the inner wall joint of reactor 12, and the surface bolt of joint 20 has regulation pole 21, is provided with first spring 22 between the inner wall of joint 20 and case lid 18, through setting up fixing mechanism 19, is convenient for fix case lid 18.
Further, the inner wall of case lid 18 slides and is cup jointed and supports tight board 23, supports to be provided with second spring 24 between the inner wall of tight board 23 and case lid 18, supports tight board 23 and second spring 24 through the setting, prevents to place board 16 and rocks.
Further, a handle 25 is bolted to the surface of the case cover 18, and the case cover 18 is conveniently opened by arranging the handle 25.
Further, the bottom of the reactor 12 is connected with a valve 26, and the valve 26 is arranged to facilitate the discharge of water in the reactor 12.
Furthermore, the bottoms of the economizer 1 and the reactor 12 are bolted with supporting legs 27, and the device is convenient to place by arranging the supporting legs 27.
When the dust remover is used, the motor 7 is turned on, the motor 7 rotates to drive the rotating block 8 to rotate, the rotating block 8 rotates to drive the fixed rod 9 to rotate, the fixed rod 9 rotates to drive the scraper 10 to rotate, and the scraper 10 rotates to timely treat dust on the surface of the filter screen 5 and prevent the dust from accumulating on the surface of the filter screen 5, so that the aim of cleaning the filter screen 5 is fulfilled;
remove regulation pole 21, it removes and drives joint head 20 and remove to adjust pole 21, joint head 20 removes and makes joint head 20 and 12 inner walls of reactor break away from the joint, then open case lid 18, then board 16 is placed in the pulling, it drives catalyst 17 and removes along spout 14 to place board 16, take out catalyst 17 and change, the change is accomplished, to place slider 15 on the board 16 and aim at spout 14 and put into reactor 12, then close case lid 18, joint head 20 and 12 inner walls joint of reactor under the effect of first spring 22, it is fixed to place board 16, it supports tightly to place board 16 to support tightly to support tight board 23 under the effect of second spring 24, it rocks to place board 16, thereby reach the purpose of being convenient for change catalyst 17.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an adopt SCR flue gas denitrification facility, includes economizer (1), its characterized in that: the bottom of the coal economizer (1) is communicated with a first ash bucket (2), the top of the coal economizer (1) is communicated with a smoke inlet pipe (3), an ammonia sprayer (4) is installed inside the smoke inlet pipe (3), the inner wall of the smoke inlet pipe (3) is connected with a filter screen (5) and a fixing frame (6) in a bolted mode, a motor (7) is fixedly sleeved inside the fixing frame (6), the output end of the motor (7) is connected with a rotating block (8) in a bolted mode, the surface of the rotating block (8) is connected with a fixing rod (9) in a bolted mode, the surface of the fixing rod (9) is connected with a scraper (10) in a bolted mode, the bottom of the smoke inlet pipe (3) is communicated with a second ash bucket (11), one end of the smoke inlet pipe (3) is communicated with a reactor (12), the reactor (12) is connected with the surface of the coal economizer (1) in a bolted mode, and the inner wall of the reactor (12) is connected with a rectifier (13) in a bolted mode, the reactor is characterized in that a sliding groove (14) is formed in the inner wall of the reactor (12), sliding blocks (15) are connected to the inner portion of the sliding groove (14) in a sliding mode, a placing plate (16) is connected between the sliding blocks (15) in a bolted mode, a catalyst (17) is connected to the top of the placing plate (16) in a bolted mode, a tank cover (18) is hinged to the surface of the reactor (12), and a fixing mechanism (19) is arranged between the tank cover (18) and the inner wall of the reactor (12).
2. The SCR flue gas denitration device of claim 1, wherein: fixing mechanism (19) are including joint (20), joint (20) and the inner wall sliding sleeve of case lid (18) cup joint, and the inner wall joint of joint (20) and reactor (12), the surperficial bolt joint of joint (20) has adjusted pole (21), be provided with first spring (22) between the inner wall of joint (20) and case lid (18).
3. The SCR flue gas denitration device of claim 1, wherein: the inner wall of the box cover (18) is sleeved with a tightly-supporting plate (23) in a sliding mode, and a second spring (24) is arranged between the tightly-supporting plate (23) and the inner wall of the box cover (18).
4. The SCR flue gas denitration device of claim 1, wherein: the surface of the box cover (18) is bolted with a handle (25).
5. The SCR flue gas denitration device of claim 1, wherein: the bottom of the reactor (12) is communicated with a valve (26).
6. The SCR flue gas denitration device of claim 1, wherein: and supporting legs (27) are bolted to the bottoms of the coal economizer (1) and the reactor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220254897.0U CN217287917U (en) | 2022-02-08 | 2022-02-08 | Adopt SCR flue gas denitrification facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220254897.0U CN217287917U (en) | 2022-02-08 | 2022-02-08 | Adopt SCR flue gas denitrification facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217287917U true CN217287917U (en) | 2022-08-26 |
Family
ID=82925897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220254897.0U Expired - Fee Related CN217287917U (en) | 2022-02-08 | 2022-02-08 | Adopt SCR flue gas denitrification facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217287917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117065568A (en) * | 2023-09-01 | 2023-11-17 | 中科合肥煤气化技术有限公司 | High Wen Meilu exhaust treatment device |
| CN117695843A (en) * | 2024-02-01 | 2024-03-15 | 华能淮阴第二发电有限公司 | SCR reactor convenient to adjust |
-
2022
- 2022-02-08 CN CN202220254897.0U patent/CN217287917U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117065568A (en) * | 2023-09-01 | 2023-11-17 | 中科合肥煤气化技术有限公司 | High Wen Meilu exhaust treatment device |
| CN117065568B (en) * | 2023-09-01 | 2024-05-14 | 中科合肥煤气化技术有限公司 | High Wen Meilu exhaust treatment device |
| CN117695843A (en) * | 2024-02-01 | 2024-03-15 | 华能淮阴第二发电有限公司 | SCR reactor convenient to adjust |
| CN117695843B (en) * | 2024-02-01 | 2024-04-30 | 华能淮阴第二发电有限公司 | SCR reactor convenient to adjust |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220826 |