CN215506294U - Shaft furnace flue gas segmentation SOx/NOx control processing apparatus - Google Patents
Shaft furnace flue gas segmentation SOx/NOx control processing apparatus Download PDFInfo
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- CN215506294U CN215506294U CN202121393565.2U CN202121393565U CN215506294U CN 215506294 U CN215506294 U CN 215506294U CN 202121393565 U CN202121393565 U CN 202121393565U CN 215506294 U CN215506294 U CN 215506294U
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Abstract
The utility model relates to the technical field of desulfurization and denitrification, and discloses a shaft furnace flue gas segmented desulfurization and denitrification treatment device which comprises an absorption tower, wherein the bottom of the absorption tower is fixedly communicated with a flue gas inlet channel, the right side of the absorption tower is fixedly communicated with a flue gas exhaust channel, a desulfurization and denitrification mechanism is arranged in the absorption tower, and a cleaning and replacing mechanism is arranged in the absorption tower. This shaft furnace flue gas segmentation SOx/NOx control processing apparatus, inside two reaction catalytic zone that are provided with of absorption tower, first region can carry out primary treatment to the flue gas through the catalytic reaction board, the flue gas after will handling discharges right side second reaction region after that, continue to absorb the catalysis through the catalytic reaction board in the second reaction region, then discharge the gas after the secondary treatment to spray the region, spray reaction liquid through the shower, react with the gas after the primary treatment, further improve the SOx/NOx control rate of flue gas, reach the effect that multiple treatment reduced sulfur oxide and nitrogen oxide content in the flue gas.
Description
Technical Field
The utility model relates to the technical field of desulfurization and denitrification, in particular to a sectional desulfurization and denitrification treatment device for flue gas of a shaft furnace.
Background
The flue gas desulfurization and denitration technology is a boiler flue gas purification technology applied to the chemical industry for generating multi-nitrogen oxides and sulfur oxides, the nitrogen oxides and the sulfur oxides are one of main sources of air pollution, the concentration of the sulfur oxides and the nitrogen oxides in the boiler flue gas of a thermal power plant is not high, but the total amount is large, if two sets of devices are used for desulfurization and denitration respectively, the occupied area is large, and the investment, management and operation costs are high.
At present, harmful gas is absorbed by flue gas generated by burning of an incinerator through an absorption tower in the market, but the traditional desulfurization and denitrification absorption tower generally adopts periodic investigation and periodic replacement of a reaction catalyst, but the replacement mode needs to be carried out for a long time, so that the production efficiency is reduced; therefore, a sectional desulfurization and denitrification treatment device for the flue gas of the shaft furnace is needed urgently.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a shaft furnace flue gas segmented desulfurization and denitrification treatment device which has the advantages of quickly replacing a reaction sieve plate in a production gap to improve the production efficiency and solves the problem that the production efficiency of the traditional desulfurization and denitrification absorption tower is reduced in the background art.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the shaft furnace flue gas subsection desulfurization and denitration treatment device comprises an absorption tower, wherein a flue gas inlet channel is fixedly communicated with the bottom of the absorption tower, a flue gas exhaust channel is fixedly communicated with the right side of the absorption tower, a desulfurization and denitration mechanism is arranged in the absorption tower, and a cleaning and replacing mechanism is arranged in the absorption tower.
The absorption tower is divided into a preliminary reaction tower and a further reaction tower, preliminary absorption is carried out through the catalytic reaction plate in the preliminary reaction tower, and the flue gas is purified through dual reaction catalysis of the catalytic reaction plate and reaction liquid in the further reaction tower.
Preferably, SOx/NOx control mechanism is including rotating the catalytic reaction board of connecting in the inside absorption tower, the bottom overlap joint of catalytic reaction board has the piece of stable taking, just the left and right sides of stable taking the piece and the inner wall fixed connection of absorption tower, the bottom of catalytic reaction board is provided with the reaction tank, just the top of reaction tank is provided with the reaction cylinder, reaction cylinder fixed connection is in the inner wall of absorption tower.
Preferably, the cleaning and replacing mechanism comprises a replacing motor fixedly mounted on the inner wall of the absorption tower and a fixed containing frame fixedly mounted at the bottom of the catalytic reaction plate, the inner wall of the fixed containing frame is connected with a fixed sliding block in a sliding manner, and the inner side of the fixed sliding block is clamped with the inner wall of the catalytic reaction plate.
Preferably, the tower is changed in the positive fixedly connected with clearance of absorption tower, just the change spout has been seted up to the inner wall of clearance change tower, the inner wall of changing the spout and the surface sliding connection of catalytic reaction board, just the inside fixed intercommunication of clearance change tower has clean high-pressure squirt, just clean high-pressure squirt sets up in the top of catalytic reaction board.
Preferably, the bottom of the cleaning and replacing tower is fixedly communicated with a cleaning liquid treatment pipe, and the cleaning and replacing tower is fixedly connected with a replacing stabilizing block.
Preferably, the inside of the absorption tower is rotatably connected with a spray pipe, and the right end of the spray pipe is fixedly communicated with a catalytic liquid inlet pipe.
Compared with the prior art, the utility model provides a shaft furnace flue gas sectional desulfurization and denitrification treatment device, which has the following beneficial effects:
1. this shaft furnace flue gas segmentation SOx/NOx control processing apparatus, through being provided with the absorption tower, SOx/NOx control mechanism and devices such as clearance change tower mutually support, specifically be the inside two reaction catalysis districts that are provided with of absorption tower, first region can carry out preliminary treatment to the flue gas through the catalytic reaction board, the flue gas after will handling discharges right side second reaction region after that, continue to absorb the catalysis through the catalytic reaction board in the second reaction region, then discharge the gas after the secondary treatment to spray the region, spray reaction liquid through the shower, react with the gas after the preliminary treatment, thereby further improve the SOx/NOx control rate of flue gas, reach the effect that multiple treatment reduced sulfur oxide and nitrogen oxide content in the flue gas.
2. The shaft furnace flue gas subsection desulfurization and denitration treatment device is provided with a cleaning and replacing mechanism, a replacing motor, a fixed containing frame and the like which are matched with each other, particularly, the top of the replacing motor is fixedly connected with the fixed containing frame, three catalytic reaction plates can be rapidly contained by the fixed containing frame, the cleaning and replacing tower fixedly connected with the front surface of the absorption tower can quickly transfer the catalytic reaction plate which is reacted in front into the tower for cleaning, meanwhile, when the catalyst in the catalytic reaction plate is not enough to react, the catalytic reaction plate can be replaced into a new reaction plate in the cleaning and replacing tower, so that the replacing time can be greatly saved, and simultaneously when the catalytic reaction plate is replaced, the residual reaction of the rest two reaction plates can not stop production, and the catalytic reaction plates can be quickly replaced during production, so that the problem of low production efficiency of the traditional absorption tower in the background art is solved.
Drawings
FIG. 1 is a front cross-sectional view of an absorber tower structure according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a front cross-sectional view of the cleaning and replacement mechanism of the present invention;
FIG. 4 is a perspective view of the fixed rack structure of the present invention;
FIG. 5 is a top view of the structure of the present invention.
Wherein: 1. an absorption tower; 11. a flue gas inlet channel; 12. a flue gas exhaust channel; 13. cleaning and replacing the tower; 131. replacing the sliding groove; 132. cleaning a high-pressure water gun; 133. cleaning the liquid treatment pipe; 134. replacing the stabilizing block; 2. a desulfurization and denitrification mechanism; 21. a catalytic reaction plate; 22. stabilizing the block; 23. a reaction tank; 24. a reaction cylinder; 25. a shower pipe; 26. a catalytic liquid inlet pipe; 3. cleaning and replacing the mechanism; 31. replacing the motor; 32. fixing a containing frame; 321. and fixing the sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the device for treating flue gas by desulfurization and denitration in a shaft furnace comprises an absorption tower 1, wherein the bottom of the absorption tower 1 is fixedly communicated with a flue gas inlet channel 11, the right side of the absorption tower 1 is fixedly communicated with a flue gas exhaust channel 12, a desulfurization and denitration mechanism 2 is arranged in the absorption tower 1, and a cleaning and replacing mechanism 3 is arranged in the absorption tower 1.
Through above-mentioned technical scheme, absorption tower 1 divide into preliminary reaction tower and further reaction tower, carries out preliminary absorption through catalytic reaction board 21 in preliminary reaction tower, then in further reaction tower through catalytic reaction board 21 and the dual reaction catalysis of reaction liquid, purifies the flue gas, can clear up or change catalytic reaction board 21 soon through clearance change mechanism 3 when equipment is produced simultaneously to improve production efficiency.
Concretely, SOx/NOx control mechanism 2 is including rotating the catalytic reaction board 21 of connecting in absorption tower 1 inside, and catalytic reaction board 21's bottom overlap joint has and stabilizes the piece 22 of taking, and stabilizes the left and right sides of taking piece 22 and the inner wall fixed connection of absorption tower 1, and catalytic reaction board 21's bottom is provided with reaction tank 23, and reaction tank 23's top is provided with reaction cylinder 24, and reaction cylinder 24 fixed connection is in the inner wall of absorption tower 1.
Through the technical scheme, 1 inside two reaction catalysis district that are provided with of absorption tower, first region can carry out preliminary treatment to the flue gas through catalytic reaction board 21, the flue gas after will handling discharges right side second reaction region after that, continue to absorb the catalysis through catalytic reaction board 21 in the second reaction region, then discharge the gas after the secondary treatment to spray the region, spray reaction liquid through shower 25, react with the gas after the preliminary treatment, shower 25 through rotatory setting during can be when the switch is opened to catalysis feed liquor pipe 26, with the rotatory blowout of reaction liquid, thereby increase the area of contact between flue gas and the reaction liquid, and the treatment efficiency is improved, reach the effect that multiple treatment reduces sulfur oxide and nitrogen oxide content in the flue gas.
Specifically, clearance change mechanism 3 includes the change motor 31 of fixed mounting in the absorption tower 1 inner wall to and fixed mounting holds frame 32 in the fixed of catalytic reaction board 21 bottom, and the fixed inner wall sliding connection who holds frame 32 has solid fixed sliding block 321, and the inboard of solid fixed sliding block 321 and the inner wall joint of catalytic reaction board 21.
Through the technical scheme, change motor 31 top fixedly connected with and fixedly hold frame 32, hold frame 32 through fixed and can hold three catalytic reaction boards 21 fast, fix through fixed slider 321 simultaneously, it can be fast with the catalytic reaction board 21 that the preceding reaction was reacted to clear up in shifting the tower in to the clearance of absorption tower 1 front fixed connection change tower 13, simultaneously when the catalyst in catalytic reaction board 21 is not reacted enough, can change it into new reaction board in the clearance change tower 13, just so can greatly save the change time, simultaneously when changing, remaining two residual reactions of reaction board, can not stop production yet, quick replacement catalytic reaction board 21's effect in production.
Specifically, tower 13 is changed in the positive fixedly connected with clearance of absorption tower 1, and the inner wall of clearance change tower 13 has been seted up and has been changed spout 131, changes the outer surface sliding connection of the inner wall of spout 131 and catalytic reaction board 21, and the inside fixed intercommunication of clearance change tower 13 has clean high-pressure squirt 132, and clean high-pressure squirt 132 sets up in the top of catalytic reaction board 21.
Through above-mentioned technical scheme, participate in preceding two-layer absorption catalysis back at catalytic reaction board 21, can start to change motor 31 and will contain the fixed frame 32 that holds that catalytic reaction board 21 rotatory advance to clear up and change in the tower 13, wash through the scab that clean high-pressure squirt 132 is stained with dust and reaction after reacting to flue gas and reaction board after that to can clear up catalytic reaction board 21 fast.
Specifically, the bottom of the cleaning and replacing tower 13 is fixedly communicated with a cleaning liquid processing pipe 133, and the cleaning and replacing tower 13 is fixedly connected with a replacing stabilizing block 134.
Through above-mentioned technical scheme, all be provided with the steady piece in clearance change tower 13 and absorption tower 1, can hold frame 32 to the fixing and stabilize, avoid the reaction plate to drop.
Specifically, the inside of the absorption tower 1 is rotatably connected with a spray pipe 25, and the right end of the spray pipe 25 is fixedly communicated with a catalytic liquid inlet pipe 26.
The above-mentioned catalytic reaction plate 21, the catalyst inside the catalytic liquid inlet pipe 26 is the existing agent, and the replacement motor 31 is the existing device, which will not be described too much here.
The reaction cylinder 24 is arranged in the reaction tank 23, so that the liquid level can be reduced to a certain degree when the flue gas is accumulated, the treated liquid is discharged, and meanwhile, the depth of the reaction cylinder 24 does not form suck-back liquid to be discharged out of the reaction cylinder 24.
When using, the flue gas that the staff will discharge discharges in the absorption tower 1 from flue gas inlet channel 11, through multiple absorption catalysis in the absorption tower 1, can absorb the harmful substance in the flue gas, then change mechanism 3 through the clearance and can carry out quick replacement and clearance to catalytic reaction plate 21 to the completion is handled the SOx/NOx control of flue gas.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Shaft furnace flue gas segmentation SOx/NOx control processing apparatus, including absorption tower (1), its characterized in that: the bottom of the absorption tower (1) is fixedly communicated with a flue gas inlet channel (11), the right side of the absorption tower (1) is fixedly communicated with a flue gas exhaust channel (12), a desulfurization and denitrification mechanism (2) is arranged in the absorption tower (1), and a cleaning and replacing mechanism (3) is arranged in the absorption tower (1).
2. The shaft furnace flue gas sectional desulfurization and denitrification treatment device according to claim 1, characterized in that: SOx/NOx control mechanism (2) are including rotating the catalytic reaction board (21) of connecting in absorption tower (1) inside, the bottom overlap joint of catalytic reaction board (21) has stable piece (22) of taking, just the inner wall fixed connection of the left and right sides of stable piece (22) of taking and absorption tower (1), the bottom of catalytic reaction board (21) is provided with reaction tank (23), just the top of reaction tank (23) is provided with reaction cylinder (24), reaction cylinder (24) fixed connection is in the inner wall of absorption tower (1).
3. The shaft furnace flue gas sectional desulfurization and denitrification treatment device according to claim 1, characterized in that: the cleaning and replacing mechanism (3) comprises a replacing motor (31) fixedly mounted on the inner wall of the absorption tower (1) and a fixed containing frame (32) fixedly mounted at the bottom of the catalytic reaction plate (21), wherein the fixed containing frame (32) is fixedly connected with a fixed sliding block (321) in a sliding manner, and the inner side of the fixed sliding block (321) is clamped with the inner wall of the catalytic reaction plate (21).
4. The shaft furnace flue gas sectional desulfurization and denitrification treatment device according to claim 1, characterized in that: the tower (13) is changed in the positive fixedly connected with clearance of absorption tower (1), just change spout (131) have been seted up to the inner wall of tower (13) is changed in the clearance, the outer surface sliding connection of the inner wall of changing spout (131) and catalytic reaction board (21), just the inside fixed intercommunication of tower (13) is changed in the clearance has clean high-pressure squirt (132), just clean high-pressure squirt (132) set up in the top of catalytic reaction board (21).
5. The shaft furnace flue gas sectional desulfurization and denitrification treatment device according to claim 4, characterized in that: the bottom of the cleaning and replacing tower (13) is fixedly communicated with a cleaning liquid processing pipe (133), and the cleaning and replacing tower (13) is fixedly connected with a replacing stabilizing block (134).
6. The shaft furnace flue gas sectional desulfurization and denitrification treatment device according to claim 1, characterized in that: the absorption tower (1) is internally and rotatably connected with a spray pipe (25), and the right end of the spray pipe (25) is fixedly communicated with a catalytic liquid inlet pipe (26).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121393565.2U CN215506294U (en) | 2021-06-22 | 2021-06-22 | Shaft furnace flue gas segmentation SOx/NOx control processing apparatus |
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| CN202121393565.2U CN215506294U (en) | 2021-06-22 | 2021-06-22 | Shaft furnace flue gas segmentation SOx/NOx control processing apparatus |
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| CN215506294U true CN215506294U (en) | 2022-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117427492A (en) * | 2023-10-23 | 2024-01-23 | 山西阳煤九洲节能环保科技有限责任公司 | Environment-friendly flue gas denitration treatment device and treatment method thereof |
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2021
- 2021-06-22 CN CN202121393565.2U patent/CN215506294U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117427492A (en) * | 2023-10-23 | 2024-01-23 | 山西阳煤九洲节能环保科技有限责任公司 | Environment-friendly flue gas denitration treatment device and treatment method thereof |
| CN117427492B (en) * | 2023-10-23 | 2024-05-24 | 山西阳煤九洲节能环保科技有限责任公司 | Environment-friendly flue gas denitration treatment device and treatment method thereof |
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