CN219848638U - Flue gas denitrification device - Google Patents
Flue gas denitrification device Download PDFInfo
- Publication number
- CN219848638U CN219848638U CN202320939291.5U CN202320939291U CN219848638U CN 219848638 U CN219848638 U CN 219848638U CN 202320939291 U CN202320939291 U CN 202320939291U CN 219848638 U CN219848638 U CN 219848638U
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- China
- Prior art keywords
- box
- dust removal
- treatment box
- flue gas
- filter screen
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000003546 flue gas Substances 0.000 title claims abstract description 42
- 239000000428 dust Substances 0.000 claims abstract description 65
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000005485 electric heating Methods 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000036632 reaction speed Effects 0.000 abstract description 2
- 239000007810 chemical reaction solvent Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 12
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000010405 clearance mechanism Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 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
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of denitration devices, and provides a flue gas denitration device, which comprises a treatment box and a dust removal box, wherein a feed inlet is formed in one side of the treatment box, a stirring mechanism is arranged in the treatment box, a discharge hole is formed in the bottom of the treatment box, an air inlet is formed in one side of the dust removal box, a filter screen is arranged in the dust removal box, the filter screen is positioned above the air inlet, a cleaning mechanism is arranged in the dust removal box and is used for cleaning the filter screen, a first air pump is connected to the top of the dust removal box through a pipeline, and the first air pump is connected with the treatment box through a pipeline. According to the utility model, the dust removing box, the first air pump and the filter screen are arranged, dust-containing flue gas enters the dust removing box through the air inlet and is filtered by the filter screen, dust impurities are removed, the first air pump is used for exhausting air from the dust removing box, the filtered flue gas conveniently passes through the filter screen, dust is prevented from entering the treatment box, ammonia water solution is led into the treatment box through the feed inlet, and the flue gas is fully contacted with the reaction solvent under the stirring drive of the stirring mechanism, so that the reaction speed is accelerated.
Description
Technical Field
The utility model relates to the technical field of denitration devices, in particular to a flue gas denitration device.
Background
The flue gas denitration refers to reducing generated NOX into N2, so that NOX in the flue gas is removed, and the flue gas denitration can be classified into wet denitration and dry denitration according to treatment technology.
The patent document with the prior art publication number of CN 218393101U discloses a catalytic flue gas SCR desulfurization and denitrification device, and it drives the (mixing) shaft through drive arrangement and rotates for smog in the box contacts with the catalyst, increases reaction rate, improves purifying effect, and secondly this device is when using, and gas and the liquid that its reaction produced are conveniently separately retrieved, increase the practicality.
Because the cement flue gas contains impurities such as dust, and the device is not provided with a dust removal device, particles are mixed in the flue gas and enter the box body, the defogging effect in flue gas treatment is affected, and finally the denitration efficiency of the device is affected.
Disclosure of Invention
An object of an embodiment of the present utility model is to provide a flue gas denitration device, which can solve the above-mentioned problems in the background art.
The embodiment of the utility model provides a flue gas denitration device, which adopts the following technical scheme:
the utility model provides a flue gas denitrification facility, includes treatment box and dust removal case, treatment box one side is provided with the feed inlet, be provided with rabbling mechanism in the treatment box, the treatment box bottom is provided with the discharge gate, dust removal case one side is provided with the air inlet, be provided with the filter screen in the dust removal case, the filter screen is located the air inlet top, be provided with clearance mechanism in the dust removal case, clearance mechanism is used for the clearance the filter screen, the dust removal case top has first air pump through the pipe connection, first air pump pass through the pipeline with the treatment box links to each other.
According to the flue gas denitration device disclosed by the utility model, the cleaning mechanism comprises the first motor, the threaded rod, the connecting block and the brush, the first motor is arranged on the outer side wall of the dust removal box, the output end of the first motor is connected with the threaded rod, one end of the threaded rod, which is far away from the first motor, penetrates through the dust removal box and extends into the dust removal box, the connecting block is in threaded sleeve connection with the threaded rod, the brush is arranged on the connecting block, the brush abuts against the filter screen, a telescopic rod is arranged in the dust removal box, one end of the telescopic rod is fixedly connected with the inner side wall of the dust removal box, and the other end of the telescopic rod is fixedly connected with the connecting block.
According to the flue gas denitration device, the slag removing port is arranged at the bottom of one side of the dust removing box.
According to the flue gas denitration device disclosed by the utility model, the stirring mechanism comprises the second motor, the rotating rod and a plurality of stirring rods, the second motor is arranged at the top of the treatment box, the output end of the second motor is connected with the rotating rod, the rotating rod penetrates through the treatment box, and the stirring rods are arranged on the rotating rod.
According to the flue gas denitration device, the electric heating plate and the temperature sensor are arranged in the treatment box, the electric heating plate and the temperature sensor are respectively arranged on the inner side wall of the treatment box, and the treatment box is provided with the observation window.
According to the flue gas denitration device, one side of the treatment box is provided with the second air pump and the storage box, one end of the second air pump is connected with the treatment box through a pipeline, and the other end of the second air pump is connected with the storage box through a pipeline.
According to the flue gas denitration device, the treatment box and the dust removal box are bolted.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the dust-containing flue gas enters the dust removal box through the air inlet, then is filtered through the filter screen, dust impurities are removed, the first air pump is arranged to pump air in the dust removal box, the filtered flue gas conveniently passes through the filter screen and enters the treatment box through the pipe, so that dust is prevented from entering the treatment box to influence denitration reaction efficiency, an ammonia solution is introduced into the treatment box through the feed inlet, the flue gas is fully contacted with the ammonia solution under the stirring drive of the stirring mechanism, the reaction speed is accelerated, and the flue gas is discharged through the discharge port after the reaction is completed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of some embodiments of the utility model;
fig. 2 is an enlarged view of the structure at a in fig. 1.
The reference numerals are respectively:
1. a treatment box; 2. a dust removal box; 3. a feed inlet; 4. a stirring mechanism; 5. a discharge port; 6. an air inlet; 7. a filter screen; 8. a cleaning mechanism; 9. a first air pump; 10. a first motor; 11. a threaded rod; 12. a connecting block; 13. a brush; 14. a telescopic rod; 15. a slag removing port; 16. a second motor; 17. a rotating rod; 18. a stirring rod; 19. a temperature sensor; 20. a second air pump; 21. a storage tank; 22. an electric heating plate; 23. and an observation window.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled 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.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and fig. 2, the flue gas denitration device according to the embodiment of the utility model comprises a treatment box 1 and a dust removal box 2, wherein a feed inlet 3 is formed in one side of the treatment box 1, a stirring mechanism 4 is arranged in the treatment box 1, a discharge outlet 5 is formed in the bottom of the treatment box 1, an air inlet 6 is formed in one side of the dust removal box 2, a filter screen 7 is arranged in the dust removal box 2, the filter screen 7 is positioned above the air inlet 6, a cleaning mechanism 8 is arranged in the dust removal box 2, the cleaning mechanism 8 is used for cleaning the filter screen 7, a first air pump 9 is connected to the top of the dust removal box 2 through a pipeline, and the first air pump 9 is connected with the treatment box 1 through the pipeline.
During the use, dust-laden flue gas gets into in the dust removal case 2 through air inlet 6, filter through filter screen 7, get rid of dust impurity, bleed through first air pump 9 in to dust removal case 2, flue gas after the filtration of being convenient for passes filter screen 7, and in the processing case 1 was got into through the pipeline, avoided the dust to get into processing case 1, influence denitration reaction efficiency, in leading into processing case 1 with aqueous ammonia solution through feed inlet 3, under stirring drive of rabbling mechanism 4, make flue gas and aqueous ammonia solution carry out abundant contact, accelerate reaction rate, after the reaction is accomplished, go out the ejection of compact through discharge gate 5.
In this embodiment, the cleaning mechanism 8 includes a first motor 10, a threaded rod 11, a connecting block 12 and a brush 13, the first motor 10 is disposed on the outer side wall of the dust removal case 2, the output end of the first motor 10 is connected with the threaded rod 11, one end of the threaded rod 11, which is far away from the first motor 10, penetrates through the dust removal case 2 and extends into the dust removal case 2, the connecting block 12 is in threaded sleeve connection with the threaded rod 11, the brush 13 is disposed on the connecting block 12, and the brush 13 is in butt joint with the filter screen 7.
When the brush cleaning device is used, the first motor 10 is started, the first motor 10 drives the threaded rod 11 to rotate positively and negatively, so that the connecting block 12 drives the brush 13 to reciprocate, the telescopic rod 14 stretches synchronously in the reciprocating process of the connecting block 12, and the telescopic rod 14 is used for improving the reciprocating stability of the connecting block 12, so that the cleaning effect of the brush 13 is improved.
In this embodiment, be provided with telescopic link 14 in the dust removal case 2, telescopic link 14 one end and the inside wall fixed connection of dust removal case 2, telescopic link 14's the other end and connecting block 12 fixed connection, through telescopic link 14's setting, improve the stability of connecting block 12 operation.
In the embodiment, the bottom of one side of the dust removing box 2 is provided with a slag removing opening 15, so that solid residues in the dust removing box 2 can be conveniently cleaned through the slag removing opening 15.
In this embodiment, the stirring mechanism 4 includes a second motor 16, a rotating rod 17 and a plurality of stirring rods 18, the second motor 16 is disposed at the top of the treatment box 1, the output end of the second motor 16 is connected with the rotating rod 17, the rotating rod 17 penetrates through the treatment box 1, and the stirring rods 18 are disposed on the rotating rod 17.
When the denitration device works, the second motor 16 is started, the second motor 16 drives the rotating rod 17 and the stirring rod 18 to rotate, and the ammonia water solution is stirred, so that the ammonia water solution is fully contacted with the flue gas and reacts rapidly, and the denitration efficiency is improved.
In this embodiment, the electric heating plate 22 and the temperature sensor 19 are disposed in the processing box 1, the observation window 23 is disposed on the processing box 1, the interior of the processing box 1 can be heated by disposing the electric heating plate 22, and the temperature in the processing box 1 can be detected by disposing the temperature sensor 19, so that the temperature in the processing box 1 is controlled within the optimal reaction temperature range, and the observation window 23 is used for observing the reaction condition of the reactant in the processing box 1.
In this embodiment, processing case 1 one side is provided with second air pump 20 and bin 21, and second air pump 20 one end passes through the pipeline and links to each other with processing case 1, and the other end of second air pump 20 passes through the pipeline and links to each other with bin 21, can absorb the bin 21 through the pipeline with the gas in the reaction product through second air pump 20 in, conveniently concentrate the clearance and retrieve.
In the embodiment, the treatment box 1 and the dust removal box 2 are bolted, so that the dust removal box 2 and the treatment box 1 can be conveniently installed and disassembled.
The embodiment of the utility model relates to a working principle of a flue gas denitration device, which comprises the following steps:
the inside of the treatment box 1 is heated through the electric heating plate 22, the temperature in the treatment box 1 is detected through the temperature sensor 19, the temperature in the treatment box 1 is controlled in the optimal reaction temperature range, dust-containing flue gas enters the dust removal box 2 through the air inlet 6, dust impurities are removed through the filtering screen 7 in a filtering mode, the first air pump 9 is arranged to pump air in the dust removal box 2, filtered flue gas conveniently passes through the filtering screen 7 and enters the treatment box 1 through a pipeline, ammonia water solution is led into the treatment box 1 through the feeding hole 3, the second motor 16 is started, the second motor 16 drives the rotating rod 17 and the stirring rod 18 to rotate, the ammonia water solution is stirred, the ammonia water solution is enabled to be fully contacted with the flue gas and react rapidly, the denitration efficiency is improved, an operator observes the reaction condition of reactants in the treatment box 1 through the observation window 23, after the reaction is completed, liquid is fed into the collecting device through the discharging hole 5, and the gas in a reaction product can be sucked into the storage box 21 through the pipeline for convenient centralized recovery.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a flue gas denitrification facility which characterized in that: the device comprises a treatment box and a dust removal box, wherein a feed inlet is formed in one side of the treatment box, a stirring mechanism is arranged in the treatment box, a discharge outlet is formed in the bottom of the treatment box, an air inlet is formed in one side of the dust removal box, a filter screen is arranged in the dust removal box and positioned above the air inlet, a cleaning mechanism is arranged in the dust removal box and used for cleaning the filter screen, a first air pump is connected to the top of the dust removal box through a pipeline, and the first air pump is connected with the treatment box through a pipeline;
the cleaning mechanism comprises a first motor, a threaded rod, a connecting block and a brush, wherein the first motor is arranged on the outer side wall of the dust removal box, the output end of the first motor is connected with the threaded rod, one end of the threaded rod, which is far away from the first motor, penetrates through the dust removal box and extends into the dust removal box, the connecting block is in threaded sleeve joint with the threaded rod, the brush is arranged on the connecting block, the brush is in butt joint with the filter screen, a telescopic rod is arranged in the dust removal box, one end of the telescopic rod is fixedly connected with the inner side wall of the dust removal box, and the other end of the telescopic rod is fixedly connected with the connecting block.
2. A flue gas denitrification device according to claim 1, wherein: the bottom of one side of the dust removing box is provided with a slag removing port.
3. A flue gas denitrification device according to claim 1, wherein: the stirring mechanism comprises a second motor, a rotating rod and a plurality of stirring rods, wherein the second motor is arranged at the top of the treatment box, the output end of the second motor is connected with the rotating rod, the rotating rod penetrates through the treatment box, and the stirring rods are arranged on the rotating rod.
4. A flue gas denitrification device according to claim 1, wherein: the treatment box is internally provided with an electric heating plate and a temperature sensor, the electric heating plate and the temperature sensor are respectively installed on the inner side wall of the treatment box, and the treatment box is provided with an observation window.
5. A flue gas denitrification device according to claim 1, wherein: the treatment box is characterized in that a second air pump and a storage box are arranged on one side of the treatment box, one end of the second air pump is connected with the treatment box through a pipeline, and the other end of the second air pump is connected with the storage box through a pipeline.
6. A flue gas denitrification device according to claim 1, wherein: the treatment box and the dust removal box are bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939291.5U CN219848638U (en) | 2023-04-24 | 2023-04-24 | Flue gas denitrification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939291.5U CN219848638U (en) | 2023-04-24 | 2023-04-24 | Flue gas denitrification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219848638U true CN219848638U (en) | 2023-10-20 |
Family
ID=88322752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320939291.5U Active CN219848638U (en) | 2023-04-24 | 2023-04-24 | Flue gas denitrification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219848638U (en) |
-
2023
- 2023-04-24 CN CN202320939291.5U patent/CN219848638U/en active Active
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