CN220425003U - Low temperature flue gas denitration catalytic reaction device - Google Patents
Low temperature flue gas denitration catalytic reaction device Download PDFInfo
- Publication number
- CN220425003U CN220425003U CN202321181049.2U CN202321181049U CN220425003U CN 220425003 U CN220425003 U CN 220425003U CN 202321181049 U CN202321181049 U CN 202321181049U CN 220425003 U CN220425003 U CN 220425003U
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- CN
- China
- Prior art keywords
- sprocket
- mixing reaction
- flue gas
- gear
- temperature flue
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000003546 flue gas Substances 0.000 title claims abstract description 43
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 12
- 241000883990 Flabellum Species 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 244000309464 bull Species 0.000 claims description 21
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 21
- 229910021529 ammonia Inorganic materials 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model discloses a low-temperature flue gas denitration catalytic reaction device, and relates to the technical field of denitration catalytic reactions. This low temperature flue gas denitration catalytic reaction device, including mixing reaction box and intake pipe, the intake pipe is located one side outer wall of mixing reaction box and with mixing reaction box intercommunication setting, and mixing reaction box's top intercommunication has the outlet duct, and mixing reaction box's one side is provided with actuating mechanism, and mixing reaction box's inside is provided with coupling mechanism, and mixing reaction box's inside is provided with carousel and flabellum, and fixed mounting has a plurality of groups shower nozzle on the carousel, rotates on the carousel and installs communicating pipe, and communicating pipe's free end extends to mixing reaction box's outside. According to the utility model, through the matched use of the motor, the first sprocket, the second sprocket, the third sprocket, the transmission chain, the rotating rod, the first gear, the connecting rod, the second gear, the rotating disc and the spray head, ammonia liquor sprayed from the spray head can be in contact with flue gas more fully, and denitration treatment of the flue gas is facilitated.
Description
Technical Field
The utility model relates to the technical field of denitration catalytic reaction, in particular to a low-temperature flue gas denitration catalytic reaction device.
Background
The flue gas discharged in industrial production contains a large amount of NOX, so that the discharged flue gas needs to be subjected to denitration treatment, the existing most commonly used denitration method is an SCR flue gas denitration method, the method is that a reducing agent is introduced into the flue gas, NOX in the flue gas is selectively reduced into nitrogen and water under the action of the reducing agent and a catalyst, liquid ammonia is evaporated into ammonia by an evaporator through a flue gas-air mixing device and then sprayed into the flue gas, and the most important in flue gas-air mixing is the uniformity of mixing of the flue gas and the ammonia in a flow field and the uniformity of a temperature field, and the two points directly influence the subsequent denitration rate and the reaction efficiency.
For example, the prior patent with the application number of CN201720483838.X is provided with a spoiler and a flow equalizing plate in a pipeline to achieve the full mixing of the flue gas and the ammonia, but the mixing mode is just insufficient for fully mixing the flue gas and the ammonia by the spoiler and the flow equalizing, so that the subsequent reaction is not thorough;
and spraying device for flue gas denitration in the prior art sprays ammonia liquor directly through the sprinkler head to carry out denitration treatment to the flue gas of discharging, when in actual use, spray the scope and be fixed, thereby make its scope of spraying have certain limitation, thereby influenced the effect of spraying, thereby make the ammonia liquor that sprays insufficient with the flue gas contact, be unfavorable for the use.
Disclosure of Invention
The utility model aims to provide a low-temperature flue gas denitration catalytic reaction device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a low temperature flue gas denitration catalytic reaction device, comprising:
a mixing reaction box;
the air inlet pipe, the air inlet pipe is located one side outer wall of mixing reaction box and with mixing reaction box intercommunication setting, mixing reaction box's top intercommunication has the outlet duct, mixing reaction box's one side is provided with actuating mechanism, mixing reaction box's inside is provided with coupling mechanism, mixing reaction box's inside is provided with carousel and flabellum, fixed mounting has a plurality of groups shower nozzle on the carousel, rotates on the carousel and installs communicating pipe, communicating pipe's free end extends to mixing reaction box's outside.
Preferably, the driving mechanism comprises a motor, a first sprocket, a second sprocket, a third sprocket and a transmission chain, the motor is fixedly arranged on the outer wall of the other side of the mixing reaction box, the first sprocket is fixedly arranged on the output shaft of the motor, the second sprocket and the third sprocket are arranged on the other side of the mixing reaction box, the transmission chain is connected on the first sprocket, the second sprocket and the third sprocket, the first sprocket, the second sprocket and the third sprocket are in transmission connection through the transmission chain, and energy conservation and emission reduction are realized by using one driving force.
Preferably, the connecting mechanisms are arranged in two groups and are correspondingly arranged.
Preferably, the coupling mechanism includes bull stick, first gear, connecting rod and second gear, and one side inner wall rotation of mixing reaction case installs two sets of bull sticks, and the one end of two sets of bull sticks runs through mixing reaction case and is connected with second sprocket, third sprocket respectively, and the other end of two sets of bull sticks extends to mixing reaction case's inside and fixed mounting have first gear, and the connecting rod is all installed in the rotation of the inboard top of mixing reaction case and inboard bottom, and the welding is installed the second gear on the connecting rod.
Preferably, the first gear and the second gear are meshed.
Preferably, the two groups of connecting rods are respectively connected with the rotary disc and the fan blades for energy transmission.
Preferably, the rotary table and the plurality of groups of spray heads are communicated, so that uniform conveying is facilitated.
Compared with the prior art, the utility model has the beneficial effects that:
(1) This low temperature flue gas denitration catalytic reaction device uses through motor, first sprocket, second sprocket, third sprocket, drive chain, bull stick, first gear, connecting rod, second gear, carousel and shower nozzle's cooperation to ammonia liquid that sprays from shower nozzle department can be more abundant with the flue gas contact, is favorable to the denitration treatment of flue gas, thereby has further improved the practicality of device.
(2) This low temperature flue gas denitration catalytic reaction device uses through motor, first sprocket, second sprocket, third sprocket, drive chain, bull stick, first gear, connecting rod, second gear and flabellum cooperation, further makes ammonia and flue gas with intensive mixing, improves denitration effect, and the device uses a drive force transmission, can realize energy saving and emission reduction.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of the present utility model;
FIG. 3 is a schematic view of the structure of the turntable and the spray head in the present utility model;
fig. 4 is a schematic front view of the present utility model.
In the figure: 1 mixing reaction box, 2 air inlet pipe, 3 air outlet pipe, 4 actuating mechanism, 401 motor, 402 first sprocket, 403 second sprocket, 404 third sprocket, 405 drive chain, 5 coupling mechanism, 501 bull stick, 502 first gear, 503 connecting rod, 504 second gear, 6 carousel, 7 shower nozzle, 8 flabellum, 9 communicating pipe.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1-4, the present utility model provides a technical solution: the low-temperature flue gas denitration catalytic reaction device comprises a mixing reaction box 1 and an air inlet pipe 2, wherein the air inlet pipe 2 is positioned on the outer wall of one side of the mixing reaction box 1 and is communicated with the mixing reaction box 1, the top of the mixing reaction box 1 is communicated with an air outlet pipe 3, one side of the mixing reaction box 1 is provided with a driving mechanism 4, the inside of the mixing reaction box 1 is provided with a connecting mechanism 5, the connecting mechanisms 5 are arranged in two groups and are correspondingly arranged,
the driving mechanism 4 comprises a motor 401, a first sprocket 402, a second sprocket 403, a third sprocket 404 and a transmission chain 405, wherein the motor 401 is fixedly arranged on the outer wall of the other side of the mixing reaction box 1, the first sprocket 402 is fixedly arranged on the output shaft of the motor 401, the second sprocket 403 and the third sprocket 404 are arranged on the other side of the mixing reaction box 1, the transmission chain 405 is connected on the first sprocket 402, the second sprocket 403 and the third sprocket 404 in a transmission way, the first sprocket 402, the second sprocket 403 and the third sprocket 404 are in transmission connection through the transmission chain 405, the motor 401 is driven to drive the first sprocket 402 to rotate, and the second sprocket 403 and the third sprocket 404 are rotated through the use of the transmission chain 405, so that driving force transmission is realized.
The coupling mechanism 5 includes bull stick 501, first gear 502, connecting rod 503 and second gear 504, one side inner wall rotation of mixing reaction box 1 installs two sets of bull sticks 501, the one end of two sets of bull sticks 501 runs through mixing reaction box 1 respectively with the second sprocket 403, the third sprocket 404 is connected, the other end of two sets of bull sticks 501 extends to the inside of mixing reaction box 1 and fixed mounting has first gear 502, the connecting rod 503 is installed in the inboard top of mixing reaction box 1 and the equal rotation in inboard bottom, welded mounting has second gear 504 on connecting rod 503, the inside of mixing reaction box 1 is provided with carousel 6 and flabellum 8, fixed mounting has a plurality of shower nozzles 7 on carousel 6, carousel 6 and a plurality of shower nozzles 7 all lead to the setting, second sprocket 403 rotates and drives a set of bull stick 501 and rotates, a set of bull stick 501 rotates and drives a set of first gear 502, a set of first gear 502 rotates and drives a set of second gear 504 to rotate, a set of second gear 504 rotates and drives connecting rod 503 rotates and drives carousel 6 to rotate, carousel 6 rotates and drives shower nozzle 7, thereby shower nozzle 7 possesses certain scope, thereby the improvement in the shower nozzle 7, thereby the flue gas that has improved the flue gas that the device has been more practical, the flue gas that has been more convenient for the flue gas that has been sprayed from the shower the device.
Two sets of connecting rods 503 are connected with carousel 6 and flabellum 8 respectively, rotate on carousel 6 and install communicating pipe 9, the free end of communicating pipe 9 extends to the outside of mixing reaction case 1, during the use, third sprocket 404 rotates and drives another group bull stick 501 and rotate, another group bull stick 501 rotates and drives another group first gear 502 and rotate, another group first gear 502 rotates and drives another group second gear 504 and rotate, another group second gear 504 rotates and drives connecting rod 503 and rotate, connecting rod 503 rotates and drives flabellum 8 and rotate for ammonia and flue gas are with intensive mixing evenly, improve the denitration effect, the device uses a drive force transmission, can realize energy saving and emission reduction.
During the use, discharge the flue gas to mixing reaction case 1 through outlet duct 3, get into carousel 6 through communicating pipe 9 with the ammonia liquid in, driving motor 401, motor 401 drives first sprocket 402 and rotates, through the use of drive chain 405, make second sprocket 403, the rotation of third sprocket 404, thereby realize driving force transmission, second sprocket 403 rotates and drives a set of bull stick 501 and rotates, a set of bull stick 501 rotates and drives a set of first gear 502 and rotates, a set of first gear 502 rotates and drives a set of second gear 504 and rotates, a set of second gear 504 rotates and drives connecting rod 503 and rotates, connecting rod 503 rotates and drives carousel 6 and rotate, carousel 6 rotates and drives shower nozzle 7 and rotate, thereby make shower nozzle 7 possess certain spray range, thereby the spray effect of the device has been improved, thereby the ammonia liquid that sprays from shower nozzle 7 can be more abundant with the flue gas contact, be favorable to the denitration of flue gas, thereby the practicality of the device has further been improved.
Meanwhile, the third sprocket 404 rotates to drive the other group of rotating rods 501 to rotate, the other group of rotating rods 501 rotates to drive the other group of first gears 502 to rotate, the other group of first gears 502 rotates to drive the other group of second gears 504 to rotate, the other group of second gears 504 rotates to drive the connecting rods 503 to rotate, the connecting rods 503 rotate to drive the fan blades 8 to rotate, ammonia and flue gas are further enabled to be fully and uniformly mixed, the denitration effect is improved, and the device uses one driving force to transmit, so that energy conservation and emission reduction can be realized.
Claims (7)
1. A low temperature flue gas denitration catalytic reaction device which is characterized in that: comprising the following steps:
a mixing reaction tank (1);
intake pipe (2), intake pipe (2) are located one side outer wall of mixing reaction case (1) and with mixing reaction case (1) intercommunication setting, the top intercommunication of mixing reaction case (1) has outlet duct (3), one side of mixing reaction case (1) is provided with actuating mechanism (4), the inside of mixing reaction case (1) is provided with coupling mechanism (5), the inside of mixing reaction case (1) is provided with carousel (6) and flabellum (8), fixed mounting has a plurality of shower nozzle (7) on carousel (6), rotate on carousel (6) and install communicating pipe (9), the free end of communicating pipe (9) extends to the outside of mixing reaction case (1).
2. The low-temperature flue gas denitration catalytic reaction device as claimed in claim 1, wherein: the driving mechanism (4) comprises a motor (401), a first sprocket (402), a second sprocket (403), a third sprocket (404) and a transmission chain (405), wherein the motor (401) is fixedly installed on the outer wall of the other side of the mixing reaction box (1), the first sprocket (402) is fixedly installed on the output shaft of the motor (401), the second sprocket (403) and the third sprocket (404) are arranged on the other side of the mixing reaction box (1), the transmission chain (405) is connected to the first sprocket (402), the second sprocket (403) and the third sprocket (404), and the first sprocket (402), the second sprocket (403) and the third sprocket (404) are connected through the transmission chain (405).
3. The low-temperature flue gas denitration catalytic reaction device as claimed in claim 1, wherein: the connecting mechanisms (5) are arranged in two groups and are correspondingly arranged.
4. A low temperature flue gas denitration catalytic reaction device according to claim 3, wherein: coupling mechanism (5) are including bull stick (501), first gear (502), connecting rod (503) and second gear (504), one side inner wall rotation of mixing reaction case (1) is installed two sets of bull sticks (501), the one end of two sets of bull sticks (501) runs through mixing reaction case (1) and is connected with second sprocket (403), third sprocket (404) respectively, the other end of two sets of bull sticks (501) extends to the inside of mixing reaction case (1) and fixed mounting has first gear (502), connecting rod (503) are all installed in the rotation of the inboard top and the inboard bottom of mixing reaction case (1), welded mounting has second gear (504) on connecting rod (503).
5. The low-temperature flue gas denitration catalytic reaction device as claimed in claim 4, wherein: the first gear (502) and the second gear (504) are in a meshing arrangement.
6. The low-temperature flue gas denitration catalytic reaction device as claimed in claim 4, wherein: the two groups of connecting rods (503) are respectively connected with the rotary disc (6) and the fan blades (8).
7. The low-temperature flue gas denitration catalytic reaction device as claimed in claim 1, wherein: the rotary table (6) and the plurality of groups of spray heads (7) are all arranged in a communicated mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321181049.2U CN220425003U (en) | 2023-05-16 | 2023-05-16 | Low temperature flue gas denitration catalytic reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321181049.2U CN220425003U (en) | 2023-05-16 | 2023-05-16 | Low temperature flue gas denitration catalytic reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220425003U true CN220425003U (en) | 2024-02-02 |
Family
ID=89700151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321181049.2U Active CN220425003U (en) | 2023-05-16 | 2023-05-16 | Low temperature flue gas denitration catalytic reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220425003U (en) |
-
2023
- 2023-05-16 CN CN202321181049.2U patent/CN220425003U/en active Active
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