CN213101604U - Denitration device for flue gas treatment - Google Patents
Denitration device for flue gas treatment Download PDFInfo
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- CN213101604U CN213101604U CN202021802332.9U CN202021802332U CN213101604U CN 213101604 U CN213101604 U CN 213101604U CN 202021802332 U CN202021802332 U CN 202021802332U CN 213101604 U CN213101604 U CN 213101604U
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- flue gas
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Abstract
The utility model relates to a denitrification facility for flue gas treatment, including box, catalyst module, its characterized in that, box one side top and bottom have set firmly respectively and have advanced the tobacco pipe and advance the ammonia pipe, be close to in the box advance tobacco pipe one side and be equipped with the mixing mechanism who mixes flue gas and ammonia, the mounting bracket has set firmly on the internal opposite side inner wall of box, catalyst module installs on the mounting bracket, mixing mechanism with flow guide mechanism has set firmly between the catalyst module, just flow guide mechanism with be equipped with between the catalyst module and blow grey mechanism, the box is kept away from advance tobacco pipe one side center and have set firmly the outlet duct, just the exit of outlet duct is connected with the dust remover, and the waste gas warp after the denitration exhaust pipe on the dust remover. The utility model discloses make flue gas and ammonia misce bene, it is effectual to react with catalyst module contact back, and the denitration is effectual, and the dust on the catalyst module is convenient for clear up, and it is effectual to clear up.
Description
Technical Field
The utility model relates to a flue gas treatment field especially relates to a denitration device for flue gas treatment.
Background
The SCR flue gas denitration system is a system for denitration of flue gas by adopting a selective catalytic reduction method, and is a most mature flue gas denitration technology at present, wherein a reducing agent (NH3 or urea) is selectively reacted with nitrogen oxide to generate nitrogen and water under the action of a metal catalyst.
But the flue gas guiding device structure of the inlet end of current SCR denitration reactor is complicated, leads to carrying flue gas, the ammonia that advances in the reactor can not the even contact, and then leads to the catalytic reaction effect of going on the denitration catalyst general, reduces denitration efficiency to can pile up the dust after the catalyst uses, need regularly clear up, generally install on the catalyst through the soot blower now, and the clearance area is little, and the clearance effect is general.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and provides a denitration device for flue gas treatment.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a denitrification facility for flue gas treatment, includes box, catalyst module, a serial communication port, box one side top and bottom have set firmly respectively and have advanced the tobacco pipe and advance the ammonia pipe, be close to in the box advance tobacco pipe one side and be equipped with the mixing mechanism who mixes flue gas and ammonia, the mounting bracket has set firmly on the internal opposite side inner wall of box, catalyst module installs on the mounting bracket, mixing mechanism with water conservancy diversion mechanism has set firmly between the catalyst module, just water conservancy diversion mechanism with be equipped with between the catalyst module and blow grey mechanism, the box is kept away from advance tobacco pipe one side center and have set firmly the outlet duct, just the exit of outlet duct is connected with the dust remover, and waste gas after the denitration warp blast pipe on the dust remover is discharged.
Particularly, the mixing mechanism comprises a motor and a stirring blade, the motor is horizontally and fixedly connected with the box body close to the center of the outer wall of one side of the smoke inlet pipe, the output end of the motor is horizontally and fixedly connected with a stirring shaft, and the stirring shaft penetrates into the box body and then is fixedly connected with the stirring blade.
The flow guide mechanism comprises an air inlet cover and an air outlet cover which are of quadrangular frustum pyramid structures, the air inlet cover and the air outlet cover are oppositely and fixedly arranged on the inner wall of the box body, a connecting pipe is communicated between the opposite surfaces of the air inlet cover and the air outlet cover, and a flow distribution screen plate is fixedly arranged at an outlet of the air outlet cover.
Specifically, the catalyst modules are divided into three layers from left to right, and are a corrugated catalyst module, a honeycomb catalyst module and a plate catalyst module in sequence.
Specially, soot blowing mechanism includes the mounting box, sets firmly the electric jar at the top in the mounting box, gives vent to anger pipeline, a plurality of blowing nozzle, the mounting box sets firmly the box top, the reposition of redundant personnel otter board with between the catalyst module the box top is vertical to have set firmly flexible pipe, the horizontal rigid coupling of the pipeline of giving vent to anger is in flexible tub of bottom, just the mounting box with be equipped with on the contact surface of box with the through-hole that flexible pipe corresponds, the piston rod bottom of electric jar passes the through-hole and wears into in the flexible pipe back with the pipeline top rigid coupling of giving vent to anger, it is a plurality of the blowing nozzle level sets firmly the pipeline of giving vent to anger is close to catalyst module one side, just be connected with the intake pipe on the pipeline of giving vent to anger.
In particular, an electric heating pipe is laid in an interlayer of the inner wall of the box body.
Particularly, the bottom of the box body and the bottom of the dust remover are both vertically and fixedly provided with a supporting column.
The utility model has the advantages that: the utility model discloses a set up mixing mechanism, water conservancy diversion mechanism, catalyst module, soot blower for flue gas and ammonia misce bene, it is effectual with catalyst module contact back reaction, and the denitration is effectual, and the dust on the catalyst module is convenient for clear up, and the clearance is effectual.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic diagram of the structure of the shunt mesh plate of the present invention;
FIG. 4 is a schematic view of the connection between the air outlet pipe and the blowing nozzle of the present invention;
in the figure: 1-an ammonia inlet pipe; 2, a motor; 3-smoke inlet pipe; 4-a box body; 5-stirring blade; 6-an air inlet hood; 7-connecting pipe; 8-an air outlet cover; 9-a shunt mesh plate; 10-a mounting frame; 11-a catalyst module; 12-an air outlet pipe; 13-a dust remover; 14-an exhaust pipe; 15-mounting the box; 16-an air inlet pipe; 17-an electric cylinder; 18-a telescopic tube; 19-a blowing nozzle; 20-an air outlet pipeline;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1-4, a denitration device for flue gas treatment comprises a box body 4 and a catalyst module 11, and is characterized in that a flue gas inlet pipe 3 and an ammonia inlet pipe 1 are respectively and fixedly arranged at the top and the bottom of one side of the box body 4, a mixing mechanism for mixing flue gas and ammonia gas is arranged at one side of the box body 4 close to the flue gas inlet pipe 3, a mounting frame 10 is fixedly arranged on the inner wall of the other side in the box body 4, the catalyst module 11 is mounted on the mounting frame 10, a flow guide mechanism is fixedly arranged between the mixing mechanism and the catalyst module 11, a soot blowing mechanism is arranged between the flow guide mechanism and the catalyst module 11, an outlet pipe 12 is fixedly arranged at the center of one side of the box body 4 far away from the flue gas inlet pipe 3, a dust remover 13 is connected to the outlet pipe 12, and waste gas after denitration is discharged through an exhaust.
Particularly, the mixing mechanism comprises a motor 2 and a stirring blade 5, wherein the motor 2 is horizontally and fixedly connected with the box body 4 close to the center of the outer wall of one side of the smoke inlet pipe 3, the output end of the motor 2 is horizontally and fixedly connected with a stirring shaft, and the stirring shaft penetrates into the box body 4 and then is fixedly connected with the stirring blade 5.
Specially, the water conservancy diversion mechanism is including the inlet cowling 6, the gas outlet cowling 8 that all are the quadrangular frustum pyramid structure, the inlet cowling 6 with the gas outlet cowling 8 sets firmly back to each other on 4 inner walls of box, just the inlet cowling 6 with the intercommunication has connecting pipe 7 between the opposite face of gas outlet cowling 8, the exit of gas outlet cowling 8 sets firmly shunted otter board 9.
Specifically, the catalyst modules are divided into three layers from left to right, and are a corrugated catalyst module, a honeycomb catalyst module and a plate catalyst module in sequence.
In particular, the soot blowing mechanism comprises a mounting box 15, an electric cylinder 17 fixedly arranged at the top in the mounting box 15, an air outlet pipeline 20 and a plurality of blowing nozzles 19, the mounting box 15 is fixedly arranged at the top of the box body 4, a telescopic pipe 18 is vertically and fixedly arranged at the top of the box body 4 between the flow dividing screen plate 9 and the catalyst module 11, the air outlet pipe 20 is horizontally and fixedly connected at the bottom of the telescopic pipe 18, and a through hole corresponding to the extension tube 18 is arranged on the contact surface of the mounting box 15 and the box body 4, the bottom of the piston rod of the electric cylinder 17 penetrates through the through hole and penetrates into the telescopic pipe 18 to be fixedly connected with the top of the air outlet pipeline 20, a plurality of air blowing nozzles 19 are horizontally and fixedly arranged on one side of the air outlet pipeline 20 close to the catalyst module 11, and an air inlet pipe 16 is connected to the air outlet pipeline 20, and the air inlet pipe 16 penetrates out of the mounting box 15 and is connected with an air compressor.
In particular, an electric heating pipe is laid in the interlayer of the inner wall of the box body 4.
In particular, the bottom of the box body 4 and the bottom of the dust remover 13 are both vertically and fixedly provided with a supporting column.
The utility model discloses during operation, for electric heating pipe ohmic heating, make the required temperature of reaction reach in the box 4, the flue gas of treating gets into in the box 4 through advancing tobacco pipe 3, reductant ammonia gets into in the box 4 through advancing ammonia pipe 1, start motor 2, stirring leaf 5 rotates and with flue gas and ammonia misce bene, gas after the misce bene passes through air inlet hood 6 in proper order, connecting pipe 7, gas outlet hood 8, and get into catalyst module 11 after shunting screen plate 9 shunts, carry out denitration reaction through corrugated type catalyst module, honeycomb type catalyst module, plate type catalyst module respectively, gas after the reaction is discharged to dust removal case 13 through outlet duct 12, discharge through blast pipe 14 after the dust removal, when needing to blow the soot cleaning to catalyst module 11, start electric cylinder 17 and air compression equipment, blowing nozzle 19 reciprocates from top to bottom, blow away the dust on catalyst module 11, and the dust collector 13 is activated to collect dust. The utility model discloses flue gas and ammonia misce bene, it is effectual with 11 contact of catalyst module, the denitration is effectual, and the dust clearance on the catalyst module 11 is convenient effectual.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a denitrification facility for flue gas treatment, includes box (4), catalyst module (11), its characterized in that, box (4) one side top and bottom have set firmly into tobacco pipe (3) and have advanced ammonia pipe (1) respectively, be close to in box (4) advance tobacco pipe (3) one side and be equipped with the mixing mechanism of mixed flue gas and ammonia, set firmly mounting bracket (10) on the opposite side inner wall in box (4), install catalyst module (11) on mounting bracket (10), mixing mechanism with the water conservancy diversion mechanism has set firmly between catalyst module (11), just water conservancy diversion mechanism with be equipped with between catalyst module (11) and blow grey mechanism, box (4) are kept away from advance tobacco pipe (3) one side center and have set firmly outlet duct (12), just the exit of outlet duct (12) is connected with dust remover (13), and the denitrated waste gas is discharged through an exhaust pipe (14) on the dust remover (13).
2. The denitration device for flue gas treatment according to claim 1, wherein the mixing mechanism comprises a motor (2) and a stirring blade (5), the motor (2) is horizontally and fixedly connected to the outer wall center of one side of the box (4) close to the flue gas inlet pipe (3), the output end of the motor (2) is horizontally and fixedly connected with a stirring shaft, and the stirring shaft penetrates into the box (4) and then is fixedly connected with the stirring blade (5).
3. The denitration device for flue gas treatment according to claim 2, wherein the flow guide mechanism comprises an air inlet cover (6) and an air outlet cover (8) which are all in a quadrangular frustum pyramid structure, the air inlet cover (6) and the air outlet cover (8) are oppositely and fixedly arranged on the inner wall of the box body (4), a connecting pipe (7) is communicated between the opposite surfaces of the air inlet cover (6) and the air outlet cover (8), and a flow distribution screen plate (9) is fixedly arranged at the outlet of the air outlet cover (8).
4. The denitration device for flue gas treatment according to claim 3, wherein the catalyst modules (11) are divided into three layers from left to right, and are a corrugated catalyst module, a honeycomb catalyst module and a plate catalyst module in sequence.
5. The denitration device for flue gas treatment according to claim 4, wherein the soot blowing mechanism comprises a mounting box (15), an electric cylinder (17) fixedly arranged at the top in the mounting box (15), an air outlet pipeline (20) and a plurality of blowing nozzles (19), the mounting box (15) is fixedly arranged at the top of the box body (4), a telescopic pipe (18) is vertically and fixedly arranged at the top of the box body (4) between the flow distribution screen plate (9) and the catalyst module (11), the air outlet pipeline (20) is horizontally and fixedly connected at the bottom of the telescopic pipe (18), a through hole corresponding to the telescopic pipe (18) is arranged on the contact surface of the mounting box (15) and the box body (4), the bottom of a piston rod of the electric cylinder (17) penetrates through the through hole, penetrates into the telescopic pipe (18) and then is fixedly connected with the top of the air outlet pipeline (20), the air blowing nozzles (19) are horizontally and fixedly arranged on one side, close to the catalyst module (11), of the air outlet pipeline (20), an air inlet pipe (16) is connected to the air outlet pipeline (20), and the air inlet pipe (16) penetrates out of the mounting box (15) and is connected with an air compressor.
6. The denitration device for flue gas treatment according to claim 5, wherein an electric heating pipe is laid in the interlayer of the inner wall of the box body (4).
7. The denitration device for flue gas treatment according to claim 6, wherein a support column is vertically and fixedly arranged at the bottom of the box body (4) and the bottom of the dust remover (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021802332.9U CN213101604U (en) | 2020-08-26 | 2020-08-26 | Denitration device for flue gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021802332.9U CN213101604U (en) | 2020-08-26 | 2020-08-26 | Denitration device for flue gas treatment |
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| CN213101604U true CN213101604U (en) | 2021-05-04 |
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| CN202021802332.9U Active CN213101604U (en) | 2020-08-26 | 2020-08-26 | Denitration device for flue gas treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217935A (en) * | 2021-05-20 | 2021-08-06 | 南阳中联水泥有限公司 | Tail gas treatment system of recycling for cement manufacture |
| CN115945062A (en) * | 2023-02-08 | 2023-04-11 | 安道麦安邦(江苏)有限公司 | Waste gas treatment method and system in process of producing clethodim emulsifiable concentrate |
-
2020
- 2020-08-26 CN CN202021802332.9U patent/CN213101604U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217935A (en) * | 2021-05-20 | 2021-08-06 | 南阳中联水泥有限公司 | Tail gas treatment system of recycling for cement manufacture |
| CN115945062A (en) * | 2023-02-08 | 2023-04-11 | 安道麦安邦(江苏)有限公司 | Waste gas treatment method and system in process of producing clethodim emulsifiable concentrate |
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