CN220657066U - Outdoor flue gas denitration equipment - Google Patents
Outdoor flue gas denitration equipment Download PDFInfo
- Publication number
- CN220657066U CN220657066U CN202322306624.3U CN202322306624U CN220657066U CN 220657066 U CN220657066 U CN 220657066U CN 202322306624 U CN202322306624 U CN 202322306624U CN 220657066 U CN220657066 U CN 220657066U
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- China
- Prior art keywords
- fixedly connected
- denitration
- flue gas
- box
- plate
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 239000003546 flue gas Substances 0.000 title claims abstract description 51
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 abstract description 6
- 241000883990 Flabellum Species 0.000 abstract 1
- 241000208125 Nicotiana Species 0.000 abstract 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 239000000779 smoke Substances 0.000 description 8
- 238000005507 spraying Methods 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of flue gas denitration, and provides outdoor flue gas denitration equipment which comprises a bottom plate, wherein a denitration box is fixedly arranged at the top of the bottom plate, a flue gas inlet pipe is fixedly connected to the top of the denitration box, a partition plate is fixedly connected to the inside of the denitration box, and two vertical plates are fixedly connected to the top of the partition plate. Through letting in the flue gas into the tobacco pipe, the flue gas drives the flabellum and rotates when circulating, thereby make the pivot drive the brush board and rotate, clear up annular filter screen surface, prevent that dust from blockking up annular filter screen and leading to flue gas circulation speed to slow down, make liquid ammonia storage tank carry liquid ammonia to the evaporimeter under the effect of delivery pump, make outside air let in the evaporimeter after the heater heats under the effect of fan, mix through the blender, from spouting box blowout and flue gas reaction, the gaseous contact with the SCR reactor that passes through of rectifier after the reaction carries out denitration treatment to it, the denitration efficiency of equipment has been improved.
Description
Technical Field
The utility model relates to the technical field of flue gas denitration, in particular to outdoor flue gas denitration equipment.
Background
Sulfur dioxide is one of the important pollution sources of the atmosphere, and the pollution hazard is very large, namely, the pollution problem of nitrogen oxides NOX, and research and development of prevention and control technology are also started.
The Chinese patent No. CN209679838U discloses a flue gas denitration device, which comprises a rising flue, a horizontal flue, an SCR reactor, an ammonia spraying device and a guide plate, wherein the upper end of the rising flue is connected with the horizontal flue, the horizontal flue is connected with the SCR reactor, the guide plate is arranged at the joint of the rising flue and the horizontal flue, the ammonia spraying device comprises a gas distribution plate and a gas pipe which are made of porous materials, the gas pipe is connected with the gas distribution plate, and the gas distribution plate is fixed in the rising flue. Compared with the prior art, the utility model provides the flue gas denitration equipment, the main structure of the ammonia spraying device is made of porous materials, and uniform ammonia spraying can be realized, so that flue gas and ammonia can be uniformly mixed; meanwhile, the guide plate can achieve good guide effect on air flow, and the flow disturbing holes arranged on the guide plate can achieve good mixing effect on the mixed gas of the smoke and the ammonia gas, so that the mixing uniformity of the ammonia gas and the smoke gas is further improved.
However, in the implementation related art, the following problems are found in the flue gas denitration device: the scheme can realize uniform ammonia gas spraying, so that the flue gas and the ammonia gas can be uniformly mixed; meanwhile, the guide plate arranged on the guide plate can achieve good guide effect on air flow, the disturbing holes arranged on the guide plate can achieve good mixing effect on the mixed gas of the flue gas and the ammonia gas, so that the mixing uniformity of the ammonia gas and the flue gas is further improved, but when the device is in actual use, dust in the flue gas cannot be effectively filtered, part of dust can be contacted with the SCR reactor along with the flue gas, the dust adheres to the surface of the SCR reactor, and the denitration efficiency of the device is reduced.
Disclosure of Invention
The utility model provides outdoor flue gas denitration equipment, which solves the problems that in the prior art, dust in flue gas cannot be effectively filtered during actual use, part of the dust contacts with an SCR reactor along with the flue gas, and the dust adheres to the surface of the SCR reactor, so that the denitration efficiency of the equipment is reduced.
The technical scheme of the utility model is as follows: the outdoor flue gas denitration device comprises a bottom plate, wherein a denitration box is fixedly arranged at the top of the bottom plate, a flue gas inlet pipe is fixedly connected to the top of the denitration box, a partition plate is fixedly connected to the inside of the denitration box, and two vertical plates are fixedly connected to the top of the partition plate;
the device comprises a bottom plate, a liquid ammonia storage tank, a conveying pump, an evaporator, a fan, a heater and a heater, wherein the dust removal assembly is arranged in the denitration box;
the output of evaporimeter fixedly connected with blender, the output fixedly connected with of blender spouts the box, the inside wall of denitration case is provided with a plurality of SCR reactors.
Preferably, the two vertical plates are fixedly connected with the denitration box, the bottom of the partition plate is fixedly connected with a liquid discharge pipe, the other end of the liquid discharge pipe penetrates through the denitration box, and an electromagnetic valve is arranged on the outer side wall of the liquid discharge pipe.
Preferably, the input end of the delivery pump is fixedly connected with the liquid ammonia storage tank, the input end of the fan is positioned outside, the evaporator is fixedly connected with the denitration box, and the output end of the mixer penetrates through the partition board.
Preferably, the dust removal assembly comprises an annular filter screen arranged on one side of the vertical plate on the left side, a rotating shaft rotatably connected on one side of the vertical plate on the left side, a hairbrush plate fixedly connected with one end of the rotating shaft, fan blades fixedly connected with the other end of the hairbrush plate, and a dust exhaust pipe fixedly connected with one side of the denitration box.
Preferably, the brush plate is matched with the annular filter screen, and the top of the partition plate is fixedly connected with a guide block.
Preferably, one side of the right vertical plate is fixedly connected with a conveying pipe, and the other end of the conveying pipe penetrates through the right vertical plate.
Preferably, a plurality of SCR reactors are fixedly connected with the right side vertical plates, and one side of the denitration box is fixedly connected with a smoke exhaust pipe.
Preferably, the front side of denitration case is provided with the access panel, the access panel with pass through bolt fixed connection between the denitration case.
The working principle and the beneficial effects of the utility model are as follows:
according to the utility model, the flue gas is introduced into the smoke inlet pipe, the fan blades are driven to rotate during circulation of the flue gas, so that the rotating shaft drives the hairbrush plate to rotate, the surface of the annular filter screen is cleaned, the flue gas circulation speed is reduced due to the fact that dust blocks the annular filter screen, the liquid ammonia storage tank is enabled to convey liquid ammonia into the evaporator under the action of the conveying pump, external air is enabled to be heated by the heater and then introduced into the evaporator under the action of the fan, the external air is mixed by the mixer, the external air is sprayed out of the spraying box to react with the flue gas, the reacted gas is contacted with the SCR reactor through the rectifier, denitration treatment is carried out on the reacted gas, and the denitration efficiency of equipment is improved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional elevation view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic perspective view of a brush plate according to the present utility model;
in the figure: 1. a bottom plate; 2. a denitration box; 3. a smoke inlet pipe; 4. a partition plate; 5. a riser; 6. a dust removal assembly; 61. an annular filter screen; 62. a rotating shaft; 63. a brush plate; 64. a fan blade; 65. a dust exhaust pipe; 7. a liquid ammonia storage tank; 8. a transfer pump; 9. an evaporator; 10. a blower; 11. a heater; 12. a mixer; 13. a spray box; 14. an SCR reactor; 15. a liquid discharge pipe; 16. an electromagnetic valve; 17. a guide block; 18. a delivery tube; 19. a smoke exhaust pipe; 20. and (5) an access panel.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides the following technical solutions, an outdoor flue gas denitration device: the flue gas treatment device comprises a bottom plate 1, wherein a denitration box 2 is fixedly arranged at the top of the bottom plate 1, a flue gas inlet pipe 3 is fixedly connected to the top of the denitration box 2, a partition plate 4 is fixedly connected to the inside of the denitration box 2, and two vertical plates 5 are fixedly connected to the top of the partition plate 4;
the inside of the denitration box 2 is provided with a dust removal component 6, the top of the bottom plate 1 is fixedly provided with a liquid ammonia storage tank 7, the top of the liquid ammonia storage tank 7 is provided with a delivery pump 8, the output end of the delivery pump 8 is fixedly connected with an evaporator 9, one side of the denitration box 2 is fixedly provided with a fan 10, and the output end of the fan 10 is fixedly connected with a heater 11;
the output of the evaporator 9 is fixedly connected with a mixer 12, the output of the mixer 12 is fixedly connected with a spraying box 13, and a plurality of SCR reactors 14 are arranged on the inner side wall of the denitration box 2.
When the flue gas is used, the flue gas is introduced into the flue gas inlet pipe 3, the flue gas is introduced between the two vertical plates 5 through the annular filter screen 61, the fan blades 64 are driven to rotate during circulation of the flue gas, so that the rotating shaft 62 drives the brush plate 63 to rotate, the annular filter screen 61 is cleaned, the flue gas circulation is prevented from slowing down due to dust blocking of the annular filter screen 61, the liquid ammonia storage tank 7 is enabled to convey liquid ammonia to the evaporator 9 under the action of the conveying pump 8, external air is heated through the heater 11 and then introduced into the evaporator 9 under the action of the fan 10, then the external air enters the mixer 12 to be mixed, the mixed air is sprayed out through the spraying box 13 to react with the flue gas, and the reacted gas is contacted with the SCR reactor 14 through the rectifier to perform denitration treatment.
Specifically, fixed connection is between two risers 5 and denitration case 2, and the bottom fixedly connected with fluid-discharge tube 15 of baffle 4, and denitration case 2 is run through to the other end of fluid-discharge tube 15, and the lateral wall of fluid-discharge tube 15 is provided with solenoid valve 16.
The drain pipe 15 is used for discharging the mixed liquid waste.
Specifically, the input end of the delivery pump 8 is fixedly connected with the liquid ammonia storage tank 7, the input end of the fan 10 is positioned outside, the evaporator 9 is fixedly connected with the denitration box 2, and the output end of the mixer 12 penetrates through the partition board 4.
Specifically, the dust removal assembly 6 includes an annular filter screen 61 disposed on one side of the left vertical plate 5, a rotating shaft 62 rotatably connected on one side of the left vertical plate 5, a brush plate 63 fixedly connected at one end of the rotating shaft 62, fan blades 64 fixedly connected at the other end of the brush plate 63, a dust exhaust pipe 65 fixedly connected on one side of the denitration case 2, and a guide block 17 fixedly connected at the top of the partition plate 4, wherein the brush plate 63 is matched with the annular filter screen 61.
The dust removal assembly 6 drives the fan blades 64 to rotate through smoke circulation, the fan blades 64 rotate to drive the rotating shaft 62 to rotate, the rotating shaft 62 rotates to drive the brush plate 63 to rotate, and the brush plate 63 rotates to clean the annular filter screen 61, so that dust is prevented from being adhered to the surface of the annular filter screen 61.
Specifically, a conveying pipe 18 is fixedly connected to one side of the right vertical plate 5, and the other end of the conveying pipe 18 penetrates through the right vertical plate 5.
The duct 18 is used for the passage of the fumes, guiding them.
Specifically, the SCR reactors 14 are fixedly connected with the right vertical plate 5, and the smoke exhaust pipe 19 is fixedly connected to one side of the denitration tank 2.
The SCR reactor 14 is used for denitration treatment of the mixed gas, and the flue gas after treatment is discharged by the flue gas discharge pipe 19.
Specifically, the front side of the denitration case 2 is provided with an access panel 20, and the access panel 20 is fixedly connected with the denitration case 2 through bolts.
The access panel 20 facilitates access to the internal structure of the denitration tank 2.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The outdoor flue gas denitration device comprises a bottom plate (1), and is characterized in that a denitration box (2) is fixedly arranged at the top of the bottom plate (1), a flue gas inlet pipe (3) is fixedly connected to the top of the denitration box (2), a partition plate (4) is fixedly connected to the inside of the denitration box (2), and two vertical plates (5) are fixedly connected to the top of the partition plate (4);
the device is characterized in that a dedusting assembly (6) is arranged in the denitration box (2), a liquid ammonia storage tank (7) is fixedly arranged at the top of the bottom plate (1), a conveying pump (8) is arranged at the top of the liquid ammonia storage tank (7), an evaporator (9) is fixedly connected to the output end of the conveying pump (8), a fan (10) is fixedly arranged on one side of the denitration box (2), and a heater (11) is fixedly connected to the output end of the fan (10);
the output end fixedly connected with blender (12) of evaporimeter (9), the output fixedly connected with of blender (12) spouts box (13), the inside wall of denitration case (2) is provided with a plurality of SCR reactors (14).
2. An outdoor flue gas denitration device according to claim 1, characterized in that two risers (5) are fixedly connected with between denitration case (2), the bottom fixedly connected with drain pipe (15) of baffle (4), the other end of drain pipe (15) runs through denitration case (2), the lateral wall of drain pipe (15) is provided with solenoid valve (16).
3. An outdoor flue gas denitration device according to claim 1, characterized in that the input end of the delivery pump (8) is fixedly connected with the liquid ammonia storage tank (7), the input end of the fan (10) is positioned outside, the evaporator (9) is fixedly connected with the denitration box (2), and the output end of the mixer (12) penetrates through the partition board (4).
4. An outdoor flue gas denitration device according to claim 1, wherein the dust removal assembly (6) comprises an annular filter screen (61) arranged on one side of the left vertical plate (5), a rotating shaft (62) rotatably connected on one side of the left vertical plate (5), a hairbrush plate (63) fixedly connected on one end of the rotating shaft (62), fan blades (64) fixedly connected on the other end of the hairbrush plate (63), and a dust exhaust pipe (65) fixedly connected on one side of the denitration box (2).
5. An outdoor flue gas denitration device according to claim 4, wherein the brush plate (63) is matched with the annular filter screen (61), and the top of the partition plate (4) is fixedly connected with a guide block (17).
6. An outdoor flue gas denitration device according to claim 1, characterized in that one side of the riser (5) on the right side is fixedly connected with a conveying pipe (18), and the other end of the conveying pipe (18) penetrates through the riser (5) on the right side.
7. An outdoor flue gas denitration device according to claim 1, characterized in that a plurality of SCR reactors (14) are fixedly connected with the right vertical plate (5), and one side of the denitration tank (2) is fixedly connected with a flue gas exhaust pipe (19).
8. An outdoor flue gas denitration device according to claim 1, characterized in that an access panel (20) is arranged on the front side of the denitration box (2), and the access panel (20) is fixedly connected with the denitration box (2) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306624.3U CN220657066U (en) | 2023-08-26 | 2023-08-26 | Outdoor flue gas denitration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322306624.3U CN220657066U (en) | 2023-08-26 | 2023-08-26 | Outdoor flue gas denitration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220657066U true CN220657066U (en) | 2024-03-26 |
Family
ID=90344136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322306624.3U Active CN220657066U (en) | 2023-08-26 | 2023-08-26 | Outdoor flue gas denitration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220657066U (en) |
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2023
- 2023-08-26 CN CN202322306624.3U patent/CN220657066U/en active Active
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