CN220758687U - SCR denitration ammonia water sprinkler - Google Patents
SCR denitration ammonia water sprinkler Download PDFInfo
- Publication number
- CN220758687U CN220758687U CN202322224629.1U CN202322224629U CN220758687U CN 220758687 U CN220758687 U CN 220758687U CN 202322224629 U CN202322224629 U CN 202322224629U CN 220758687 U CN220758687 U CN 220758687U
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- Prior art keywords
- shell
- pipe
- ammonia water
- liquid
- scr denitration
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- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 235000011114 ammonium hydroxide Nutrition 0.000 title claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 71
- 238000005507 spraying Methods 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims description 23
- 239000000779 smoke Substances 0.000 abstract description 17
- 239000000203 mixture Substances 0.000 abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 25
- 239000003546 flue gas Substances 0.000 description 25
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 22
- 239000007789 gas Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000006477 desulfuration reaction Methods 0.000 description 8
- 230000023556 desulfurization Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of denitration, in particular to an SCR denitration ammonia water spraying device. The technical proposal comprises: the base, first shell and second shell, the top face welding of base has the mount, and the inner wall welding of mount has first shell and second shell, the side terminal surface embedding of second shell is fixed with the intake pipe, and intake pipe and second shell gas communication, spacing pipe and filter screen are installed to the inner wall of second shell, and are provided with atomizer on the spacing pipe, the rear end face welding of second shell has the liquid reserve tank, and installs the booster pump on the liquid reserve tank, the booster pump passes through booster pipe and liquid reserve tank gas communication, the inner wall top face welding of first shell has the baffle, and the negative pressure pump is installed to the rear end face of first shell, negative pressure pump and first shell gas communication. The utility model can fully mix ammonia water with smoke by spraying denitration ammonia water, thereby preventing the smoke from polluting the environment.
Description
Technical Field
The utility model relates to the technical field of denitration, in particular to an SCR denitration ammonia water spraying device.
Background
In the production of cement materials, in order to prevent excessive NOx from polluting the environment after the combustion of coal in a boiler, the denitration treatment of the coal is carried out. The method is divided into denitration before combustion, denitration in the combustion process and denitration after combustion.
Through retrieving, patent publication No. CN217139911U discloses a desulfurization and denitrification integrated device, comprising: the device comprises a dust removal purifying box, a desulfurization spraying mechanism, a denitration spraying mechanism, a dust removal adsorption plate and a controller, wherein the dust removal purifying box is communicated with a smoke discharge outlet, the dust removal adsorption plate is rotatably installed in the dust removal purifying box, the dust removal purifying box is communicated with the desulfurization spraying mechanism, the desulfurization spraying mechanism is communicated with the denitration spraying mechanism, a stirring paddle and a rotary sprayer are arranged in the desulfurization spraying mechanism, a mist filling device and an ammonia gas input device are arranged in the denitration spraying mechanism, and a discharge port is formed in the tail end of the denitration spraying mechanism. The dust collector removes mixed particle impurities in the flue gas, reduces the difficulty of denitration and desulfurization, prevents fine particles from entering the atmosphere to pollute the environment, improves the spraying mechanism of lime slurry on the other hand, prevents lime slurry effect discount caused by lime precipitation, improves the mixing efficiency of ammonia and flue gas, and improves the effect of denitration and desulfurization.
CN217139911U among the prior art is got rid of the granule impurity that mixes in the flue gas through dust collector when using, reduces denitration and desulfurization's degree of difficulty, prevents that tiny granule from getting into the atmosphere environment of polluting, but still need guarantee intensive mixing and the denitration of flue gas and aqueous ammonia when in actual use for prevent to spray and mix and not thoroughly influence the denitration effect.
Disclosure of Invention
The utility model aims to provide an SCR denitration ammonia water spraying 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: the utility model provides an SCR denitration ammonia water sprinkler, includes base, first shell and second shell, the top face welding of base has the mount, and the inner wall welding of mount has first shell and second shell, spacing pipe and filter screen are installed to the inner wall of second shell, and are provided with atomizer on the spacing pipe, the rear end face welding of second shell has the liquid reserve tank, and installs the booster pump on the liquid reserve tank, the booster pump passes through booster pipe and liquid reserve tank gas communication, the inner wall top face welding of first shell has the baffle, and the negative pressure pump is installed to the rear end face of first shell, negative pressure pump and first shell gas communication.
Preferably, an air inlet pipe is embedded and fixed on the side end face of the second shell, and the air inlet pipe is in gas communication with the second shell. The air inlet pipe is communicated with the second shell through air, so that the air inlet pipe can be connected with an external flue gas exhaust pipe, and flue gas produced by cement processing enters the second shell through the air inlet pipe.
Preferably, the bottom end surface of the base is welded with supporting blocks, the four supporting blocks are arranged in total, and the four supporting blocks are distributed in a rectangular array relative to the base. The base can be installed and limited through the supporting blocks.
Preferably, the bottom end surface of the second housing is fixedly embedded with a connecting pipe, the bottom end surface of the connecting pipe is fixedly embedded in the first housing, and the first housing is communicated with the second housing through the connecting pipe. The flue gas is enabled to enter the first shell through the connecting pipe after being sprayed and filtered through the bottom end face of the connecting pipe in an embedded mode, and water generated by spraying enters the first shell through the connecting pipe together.
Preferably, a fixing pipe is embedded and fixed on the top end face of the first shell, the fixing pipe is in liquid communication with the first shell, and a cover plate is installed on the fixing pipe through threads. Through fixed pipe and first shell liquid intercommunication, make personnel accessible fixed pipe to annotate aqueous ammonia in to first shell, aqueous ammonia can surpass the baffle after the injection, makes two cavitys are separated into through aqueous ammonia and baffle in the first shell.
Preferably, the liquid inlet pipe is fixedly embedded in the liquid storage tank, one end, deviating from the liquid storage tank, of the liquid inlet pipe is fixedly embedded in the limiting pipe, and the limiting pipe is in liquid communication with the liquid storage tank through the liquid inlet pipe. The one end embedding that deviates from the liquid reserve tank through the feed liquor pipe is fixed in spacing intraductal, makes personnel pour into aqueous ammonia into in the liquid reserve tank and deposits the back, and personnel can open the booster pump and carry out the pressure boost to aqueous ammonia in the liquid reserve tank, thereby aqueous ammonia passes through the pressure boost when the pressure boost makes aqueous ammonia get into spacing intraductal through atomizer to the flue gas from the feed liquor pipe.
Preferably, the bottom end surface of the first shell is embedded and fixed with a liquid outlet pipe, the liquid outlet pipe is communicated with the first shell, and a valve is arranged on the liquid outlet pipe through a flange plate. The liquid outlet pipe is communicated with the first shell, so that after the ammonia water is sprayed and the flue gas is mixed with the ammonia water, a person can open the valve to discharge the mixture of the ammonia water and the flue gas through the liquid outlet pipe, and the post-treatment of water body and the collection of water body are facilitated.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the second shell is arranged, when people perform denitration treatment on smoke, the air inlet pipe is in air communication with the second shell, so that the air inlet pipe can be connected with an external smoke exhaust pipe, smoke produced by cement processing enters the second shell through the air inlet pipe, one end, away from the liquid storage tank, of the smoke enters the liquid storage tank through the liquid inlet pipe and is embedded and fixed in the limiting pipe, after the people inject ammonia water into the liquid storage tank for storage, the people can open the booster pump to boost the ammonia water in the liquid storage tank, and when the ammonia water is pressurized, the ammonia water enters the limiting pipe from the liquid inlet pipe and sprays the smoke through the atomizing nozzle, the denitration treatment is performed on the smoke when spraying, and the smoke can perform preliminary filtration on particles in the smoke through the filter screen, so that the denitration operation in later period is facilitated.
2. According to the utility model, by arranging the first shell, when people perform denitration treatment on smoke, the smoke is fixedly embedded in the first shell through the bottom end surface of the connecting pipe, the smoke enters the first shell through the connecting pipe after spraying and filtering, water generated by spraying enters the first shell through the connecting pipe together, the water is communicated with the first shell through the fixing pipe, the people can fill ammonia water into the first shell through the fixing pipe, the injected ammonia water can permeate the partition plate, the first shell is divided into two cavities through the ammonia water and the partition plate, the cover plate can be installed for closing after injection, the people can open the negative pressure pump after closing, so that the smoke is discharged after entering the ammonia water through extraction, the smoke is more fully mixed with the ammonia water, the denitration treatment is convenient to perform in later stage, and the denitration efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a front view of the present utility model;
FIG. 2 is a schematic diagram of the front view of the present utility model;
fig. 3 is a schematic rear view of the present utility model.
In the figure: 1. a support block; 2. a base; 3. a liquid outlet pipe; 4. a first housing; 5. a fixing frame; 6. a partition plate; 7. a fixed tube; 8. an air inlet pipe; 9. a limiting tube; 10. a filter screen; 11. an atomizing nozzle; 12. a second housing; 13. a connecting pipe; 14. a liquid storage tank; 15. a liquid inlet pipe; 16. a pressurizing pipe; 17. a booster pump; 18. a negative pressure pump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; 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.
Example 1
As shown in fig. 1-3, the SCR denitration ammonia water spraying device provided by the utility model comprises a base 2, a first shell 4 and a second shell 12, wherein a fixing frame 5 is welded on the top end surface of the base 2, the first shell 4 and the second shell 12 are welded on the inner wall of the fixing frame 5, a limiting pipe 9 and a filter screen 10 are mounted on the inner wall of the second shell 12, an atomizing nozzle 11 is arranged on the limiting pipe 9, a liquid storage tank 14 is welded on the rear end surface of the second shell 12, a booster pump 17 is mounted on the liquid storage tank 14, and the booster pump 17 is in gas communication with the liquid storage tank 14 through the booster pipe 16.
The side end face of the second shell 12 is embedded and fixed with an air inlet pipe 8, the air inlet pipe 8 is in gas communication with the second shell 12, and the air inlet pipe 8 is in gas communication with the second shell 12, so that the air inlet pipe 8 can be connected with an external flue gas exhaust pipe, and flue gas produced by cement processing enters the second shell 12 through the air inlet pipe 8.
The bottom end face of the base 2 is welded with supporting blocks 1, the supporting blocks 1 are provided with four, the four supporting blocks 1 are distributed in rectangular arrays relative to the base 2, and the base 2 can be installed and limited through the supporting blocks 1.
The bottom end face of the second shell 12 is fixedly embedded with a connecting pipe 13, the bottom end face of the connecting pipe 13 is fixedly embedded in the first shell 4, the first shell 4 is communicated with the second shell 12 through the connecting pipe 13, the bottom end face of the connecting pipe 13 is fixedly embedded in the first shell 4, flue gas enters the first shell 4 through the connecting pipe 13 after being sprayed and filtered, and water generated by spraying enters the first shell 4 together through the connecting pipe 13.
The liquid inlet pipe 15 is fixedly embedded in the liquid storage tank 14, one end of the liquid inlet pipe 15 deviating from the liquid storage tank 14 is fixedly embedded in the limiting pipe 9, the limiting pipe 9 is in liquid communication with the liquid storage tank 14 through the liquid inlet pipe 15, one end deviating from the liquid storage tank 14 through the liquid inlet pipe 15 is fixedly embedded in the limiting pipe 9, after ammonia water is injected into the liquid storage tank 14 for storage, a booster pump 17 can be opened by personnel to boost the ammonia water in the liquid storage tank 14, and the ammonia water enters the limiting pipe 9 from the liquid inlet pipe 15 through boosting during boosting and sprays smoke through the atomizing nozzle 11.
The baffle 6 is welded on the top end surface of the inner wall of the first shell 4, and the negative pressure pump 18 is installed on the rear end surface of the first shell 4, and the negative pressure pump 18 is in gas communication with the first shell 4.
Based on example 1: personnel carry out denitration treatment to the flue gas, through intake pipe 8 and second shell 12 gas communication, make intake pipe 8 can be connected with outside flue gas blast pipe, make the flue gas that cement processing produced get into in the second shell 12 through intake pipe 8, the flue gas gets into the back and deviates from the one end embedding of liquid reserve tank 14 through feed liquor pipe 15 and fix in spacing pipe 9, make personnel pour into aqueous ammonia in liquid reserve tank 14 and deposit the back, personnel can open booster pump 17 and carry out the pressure boost to aqueous ammonia in the liquid reserve tank 14, thereby aqueous ammonia is through the pressure boost when pressure boost so that aqueous ammonia gets into spacing pipe 9 from feed liquor pipe 15 and sprays the flue gas through atomizer 11, carry out denitration treatment to the flue gas when spraying, and the particulate matter in the flue gas accessible filter screen 10 carries out preliminary filtration.
Example two
As shown in fig. 1-3, the present embodiment of the utility model provides an SCR denitration ammonia water spraying device, which further includes: the base 2, first shell 4 and second shell 12, the top face welding of base 2 has mount 5, and the inner wall welding of mount 5 has first shell 4 and second shell 12, and spacing pipe 9 and filter screen 10 are installed to the inner wall of second shell 12, and is provided with atomizer 11 on the spacing pipe 9, and the rear end face welding of second shell 12 has liquid reserve tank 14, and installs booster pump 17 on the liquid reserve tank 14, booster pump 17 passes through booster pipe 16 and liquid reserve tank 14 gas communication.
The top end face of the first shell 4 is embedded and fixed with a fixed pipe 7, the fixed pipe 7 is in liquid communication with the first shell 4, a cover plate is arranged on the fixed pipe 7 through threads, the fixed pipe 7 is in liquid communication with the first shell 4, ammonia water is filled into the first shell 4 through the fixed pipe 7, the ammonia water can permeate through the partition plate 6 after being filled, and the first shell 4 is divided into two cavities through the ammonia water and the partition plate 6.
The bottom end face embedding of first shell 4 is fixed with drain pipe 3, and drain pipe 3 is linked together with first shell 4, and installs the valve through the ring flange on the drain pipe 3, is linked together with first shell 4 through drain pipe 3, makes aqueous ammonia spray and flue gas mix the back with aqueous ammonia, and personnel can open the valve and discharge the mixture in aqueous ammonia and the flue gas through drain pipe 3, make things convenient for the post treatment water and collect the water.
The baffle 6 is welded on the top end surface of the inner wall of the first shell 4, and the negative pressure pump 18 is installed on the rear end surface of the first shell 4, and the negative pressure pump 18 is in gas communication with the first shell 4.
Based on example 2: personnel are when carrying out denitration treatment to the flue gas, the bottom face embedding through connecting pipe 13 is fixed at first shell 4, make the flue gas get into in the first shell 4 through connecting pipe 13 after passing through spraying and filtering, and spray the water that produces and all get into in the first shell 4 together through connecting pipe 13, and through fixed pipe 7 and first shell 4 liquid intercommunication, make personnel accessible fixed pipe 7 to the filling aqueous ammonia in the first shell 4, the aqueous ammonia can be through baffle 6 after the injection, make the separation of passing through aqueous ammonia and baffle 6 become two cavitys in the first shell 4, the mountable apron is closed after the injection, personnel can open the negative pressure pump 18 after the closure and make after spraying the flue gas and mix more abundant through the extraction after entering aqueous ammonia.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides an SCR denitration ammonia water sprinkler, includes base (2), first shell (4) and second shell (12), its characterized in that: the utility model discloses a base, including base (2), mount (5), baffle (6) are welded on the top of mount (5), and first shell (4) and second shell (12) are welded on the inner wall of mount (5), spacing pipe (9) and filter screen (10) are installed to the inner wall of second shell (12), and are provided with atomizer (11) on spacing pipe (9), the rear end face welding of second shell (12) has liquid reserve tank (14), and installs booster pump (17) on liquid reserve tank (14), booster pump (17) are through booster pipe (16) and liquid reserve tank (14) gas communication, baffle (6) are welded on the inner wall top of first shell (4), and negative pressure pump (18) are installed to the rear end face of first shell (4), negative pressure pump (18) and first shell (4) gas communication.
2. The SCR denitration ammonia water spraying device according to claim 1, wherein: an air inlet pipe (8) is embedded and fixed on the side end face of the second shell (12), and the air inlet pipe (8) is in gas communication with the second shell (12).
3. The SCR denitration ammonia water spraying device according to claim 1, wherein: the bottom end face of the base (2) is welded with supporting blocks (1), the four supporting blocks (1) are arranged in total, and the four supporting blocks (1) are distributed in a rectangular array relative to the base (2).
4. The SCR denitration ammonia water spraying device according to claim 1, wherein: the bottom end surface of the second shell (12) is embedded and fixed with a connecting pipe (13), the bottom end surface of the connecting pipe (13) is embedded and fixed on the first shell (4), and the first shell (4) is communicated with the second shell (12) through the connecting pipe (13).
5. The SCR denitration ammonia water spraying device according to claim 1, wherein: the top end face of the first shell (4) is embedded and fixed with a fixed pipe (7), the fixed pipe (7) is in liquid communication with the first shell (4), and a cover plate is arranged on the fixed pipe (7) through threads.
6. The SCR denitration ammonia water spraying device according to claim 1, wherein: the liquid storage tank is characterized in that a liquid inlet pipe (15) is fixedly embedded in the liquid storage tank (14), one end, deviating from the liquid storage tank (14), of the liquid inlet pipe (15) is fixedly embedded in the limiting pipe (9), and the limiting pipe (9) is in liquid communication with the liquid storage tank (14) through the liquid inlet pipe (15).
7. The SCR denitration ammonia water spraying device according to claim 1, wherein: the bottom end face of the first shell (4) is fixedly embedded with a liquid outlet pipe (3), the liquid outlet pipe (3) is communicated with the first shell (4), and a valve is arranged on the liquid outlet pipe (3) through a flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322224629.1U CN220758687U (en) | 2023-08-18 | 2023-08-18 | SCR denitration ammonia water sprinkler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322224629.1U CN220758687U (en) | 2023-08-18 | 2023-08-18 | SCR denitration ammonia water sprinkler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220758687U true CN220758687U (en) | 2024-04-12 |
Family
ID=90601365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322224629.1U Active CN220758687U (en) | 2023-08-18 | 2023-08-18 | SCR denitration ammonia water sprinkler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220758687U (en) |
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2023
- 2023-08-18 CN CN202322224629.1U patent/CN220758687U/en active Active
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