CN220546737U - Filter tube denitration desulfurization dust remover - Google Patents
Filter tube denitration desulfurization dust remover Download PDFInfo
- Publication number
- CN220546737U CN220546737U CN202321225435.7U CN202321225435U CN220546737U CN 220546737 U CN220546737 U CN 220546737U CN 202321225435 U CN202321225435 U CN 202321225435U CN 220546737 U CN220546737 U CN 220546737U
- Authority
- CN
- China
- Prior art keywords
- dust
- dust remover
- shell
- air inlet
- remover shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000428 dust Substances 0.000 title claims abstract description 96
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 18
- 230000023556 desulfurization Effects 0.000 title claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009193 crawling Effects 0.000 claims 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 13
- 239000003546 flue gas Substances 0.000 abstract description 13
- 239000003054 catalyst Substances 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 229910052783 alkali metal Inorganic materials 0.000 abstract description 3
- 150000001340 alkali metals Chemical class 0.000 abstract description 3
- 238000010531 catalytic reduction reaction Methods 0.000 abstract description 3
- 231100000572 poisoning Toxicity 0.000 abstract description 3
- 230000000607 poisoning effect Effects 0.000 abstract description 3
- 241000282326 Felis catus Species 0.000 description 9
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010517 secondary reaction Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical group [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical group [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a filter tube denitration desulfurization dust remover, which relates to the technical field of dust removers and comprises a first air inlet tube, wherein the first air inlet tube is communicated and connected with a mixing reactor, a second air inlet tube is arranged at an air outlet of the mixing reactor, one end, far away from the mixing reactor, of the second air inlet tube is communicated and connected with a dust remover shell, and a plurality of ceramic filter tubes are arranged in the dust remover shell. According to the utility model, through the mutual coordination among the mixing reactor, the air inlet pipe II, the dust remover shell, the ceramic filter pipes and the air outlet pipe, the flue gas after preliminary desulfurization and deacidification in the mixing reactor enters the dust remover shell, the ceramic filter pipes have good dust removal and gaseous pollutant removal efficiency in the flue gas temperature range of 180-380 ℃, and in addition, the denitration catalyst is loaded on the inner wall of the ceramic filter pipes, so that the selective catalytic reduction reaction of NOx can be realized, and the problem of catalyst poisoning caused by alkali metal is avoided because dust is intercepted on the outer wall of the ceramic filter pipes.
Description
Technical Field
The utility model relates to the technical field of dust removal devices, in particular to a filter tube denitration desulfurization dust remover.
Background
A dust collector is a device that separates dust from flue gas, and the performance of the dust collector is expressed in terms of the amount of gas that can be treated, the loss of resistance of the gas as it passes through the dust collector, and the dust collection efficiency.
The traditional flue gas treatment system has the advantages of more treatment steps, large equipment and quantity, large occupied area and large enterprise investment; the cost of the later operation is high, for example, because the high-temperature electric dust removal is adopted, the electrode is often covered by dust and needs to be cleaned frequently, and meanwhile, the calcium carbonate, the calcium sulfite and the calcium sulfate waste residues generated in the desulfurization process need to be subjected to additional solid waste treatment, so that a plurality of inconveniences are brought to flue gas dust removal.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a filter tube denitration desulfurization dust remover.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a filter tube denitration desulfurization dust remover, includes intake pipe one, intake pipe one intercommunication is connected with the mixing reactor, intake pipe two is installed to mixing reactor gas outlet, intake pipe two is kept away from mixing reactor one end intercommunication and is connected with the dust remover shell, install a plurality of ceramic filter tubes in the dust remover shell, the outlet duct is still installed in the dust remover shell lateral wall intercommunication, dust remover shell bottom intercommunication is connected with a plurality of dust exhaust device, the air pocket is installed at dust remover shell top.
As a further description of the above technical solution:
the top of the dust remover shell is provided with an upper access hole, and the outer side wall of the dust remover shell is fixedly provided with a protection cage type cat ladder.
As a further description of the above technical solution:
the dust remover shell outer wall is installed and is overhauld the platform, overhaul the platform lateral wall and install the cascaded cat ladder that is the slope setting, overhaul the equal fixed mounting of platform and cascaded cat ladder lateral wall and have the rail guard.
As a further description of the above technical solution:
the bottom of the dust remover shell is provided with a plurality of steel structure supporting frames for supporting the dust remover shell.
As a further description of the above technical solution:
the dust discharging device comprises a dust discharging ash bucket fixedly arranged at the bottom of the dust remover shell and communicated with the dust remover shell, and a discharge valve is arranged at the bottom of the dust discharging ash bucket.
As a further description of the above technical solution:
the side wall of the dust discharging ash bucket is provided with a lower overhaul hole in a penetrating mode.
The utility model has the following beneficial effects:
compared with the prior art, this filter tube denitration desulfurization dust remover, through the mutual cooperation between mixing reactor, intake pipe two, the dust remover shell, ceramic filter tube and the outlet duct, the flue gas after preliminary desulfurization deacidification in the mixing reactor gets into in the dust remover shell, a plurality of ceramic filter tubes all have good dust removal and gaseous pollutant desorption efficiency in flue gas temperature 180-380 ℃, in addition, ceramic filter tube inner wall load has denitration catalyst, can realize the selective catalytic reduction reaction of NOx like this, and because the dust is intercepted at ceramic filter tube outer wall, the catalyst "poisoning" problem that the alkali metal brought has been stopped, simultaneously, contain a large amount of alkaline solids that do not fully react in the filter cake that ceramic tube outer wall was held back, the effect of secondary reaction has been played to acid pollutant such as SO2, HF, the removal efficiency has been improved, this dust remover desulfurization, denitration, dust removal integration, because the processing step reduces, equipment quantity and volume are reduced, more concentrated and compacter, area only accounts for 1/3 of traditional flue gas treatment system, equipment follow-up running cost is lower, more can satisfy smoke and dust treatment demand.
Drawings
Fig. 1 is a schematic structural diagram of a filter tube denitration desulfurization dust remover provided by the utility model.
Legend description:
1. an air inlet pipe I; 2. a mixing reactor; 3. an air inlet pipe II; 4. a dust collector housing; 5. a ceramic filter tube; 6. an air outlet pipe; 7. an air bag; 8. an upper access opening; 9. cage type cat ladder; 10. a maintenance platform; 11. ladder type cat ladder; 12. a guard rail; 13. a steel structure support frame; 14. a dust and ash discharging hopper; 15. a discharge valve; 16. and a lower access opening.
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.
Referring to fig. 1, the utility model provides a filter tube denitration desulfurization dust remover: including intake pipe 1, intake pipe 1 intercommunication is connected with mixing reactor 2, and intake pipe two 3 is installed to mixing reactor 2 gas outlet, and mixing reactor 2 one end intercommunication is kept away from to intake pipe two 3 is connected with dust remover shell 4, and many steel construction support frames 13 that are used for supporting dust remover shell 4 are installed to dust remover shell 4 bottom, still are equipped with deacidification agent inlet and denitration reductant inlet not shown in the figure on the mixing reactor 2 for add deacidification agent and denitration reductant in mixing reactor 2 to accomplish preliminary SOx/NOx control to the flue gas, wherein the deacidification agent is slaked lime powder or other alkaline material, and the denitration reductant is aqueous ammonia or ammonia.
The dust remover shell 4 is internally provided with a plurality of ceramic filter tubes 5, and denitration catalysts are loaded on the inner walls of the ceramic filter tubes 5, so that the selective catalytic reduction reaction of NOx can be realized, and the problem of catalyst poisoning caused by alkali metal is avoided because dust is intercepted on the outer walls of the ceramic filter tubes 5. The filter cake trapped by the outer wall of the ceramic tube contains a large amount of alkaline solids which are not completely reacted, plays a secondary reaction role on acidic pollutants such as SO2, HF and the like, improves the removal efficiency, the side wall of the dust remover shell 4 is also communicated with the air outlet pipe 6, the bottom of the dust remover shell 4 is communicated with a plurality of dust discharging devices, each dust discharging device comprises a dust discharging ash bucket 14 fixedly arranged at the bottom of the dust remover shell 4 and communicated with the dust remover shell 4, a discharge valve 15 is arranged at the bottom of the dust discharging ash bucket 14, a lower overhauling hole 16 is arranged on the side wall of the dust discharging ash bucket 14 in a penetrating manner, and the top of the dust remover shell 4 is provided with an air bag 7.
The top of the dust remover shell 4 is provided with an upper access hole 8, the outer side wall of the dust remover shell 4 is fixedly provided with a protective cage type cat ladder 9, the outer wall of the dust remover shell 4 is provided with an access platform 10, the side wall of the access platform 10 is provided with a step type cat ladder 11 which is obliquely arranged, the outer side walls of the access platform 10 and the step type cat ladder 11 are fixedly provided with protective guards 12, and the access platform 10, the step type cat ladder 11, the upper access hole 8, the protective guards 12 and the like are arranged, so that the dust remover is convenient to overhaul and maintain the denitration desulfurization dust remover.
Working principle: when in use, the flue gas to be treated with the temperature range of 180-380 ℃ enters the mixing reactor 2 through the first air inlet pipe 1, the deacidification agent and the denitration reducing agent are sequentially sprayed into the mixing reactor 2, and at the moment, the first step of desulfurization and deacidification is carried out in the mixing reactor 2.
The flue gas after preliminary desulfurization and deacidification enters the dust remover shell 4 through the air inlet pipe II 3, the ceramic filter tube 5 in the dust remover shell 4 has good dust removal and gaseous pollutant removal efficiency within the range of 180-380 ℃ of the flue gas temperature, the flue gas after desulfurization and deacidification treatment is discharged outwards through the air outlet pipe 6, and after the discharge valve 15 is opened, the smoke dust in the dust remover shell 4 can be discharged outwards through the dust discharge hopper 14.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (1)
1. The utility model provides a filter tube denitration desulfurization dust remover, includes intake pipe one (1), its characterized in that: the device comprises a first air inlet pipe (1), a second air inlet pipe (3), a dust collector shell (4), a plurality of ceramic filter pipes (5), an air outlet pipe (6) and a plurality of dust discharging devices, wherein the first air inlet pipe (1) is communicated with and connected with a mixing reactor (2), the second air inlet pipe (3) is communicated with and connected with one end of the mixing reactor (2), a plurality of ceramic filter pipes (5) are arranged in the dust collector shell (4), the side wall of the dust collector shell (4) is also communicated with and connected with an air outlet pipe (6), the bottom of the dust collector shell (4) is communicated with and connected with a plurality of dust discharging devices, and an air bag (7) is arranged at the top of the dust collector shell (4);
an upper access hole (8) is formed in the top of the dust remover shell (4), and a protection cage type crawling ladder (9) is fixedly arranged on the outer side wall of the dust remover shell (4);
an overhaul platform (10) is arranged on the outer wall of the dust remover shell (4), a step type crawling ladder (11) which is obliquely arranged is arranged on the side wall of the overhaul platform (10), and a protective guard (12) is fixedly arranged on the outer side walls of the overhaul platform (10) and the step type crawling ladder (11);
the bottom of the dust remover shell (4) is provided with a plurality of steel structure supporting frames (13) for supporting the dust remover shell (4);
the dust discharging device comprises a dust discharging ash bucket (14) fixedly arranged at the bottom of the dust remover shell (4) and communicated with the dust remover shell (4), and a discharge valve (15) is arranged at the bottom of the dust discharging ash bucket (14);
the side wall of the dust discharging ash bucket (14) is provided with a lower access hole (16) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321225435.7U CN220546737U (en) | 2023-05-20 | 2023-05-20 | Filter tube denitration desulfurization dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321225435.7U CN220546737U (en) | 2023-05-20 | 2023-05-20 | Filter tube denitration desulfurization dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220546737U true CN220546737U (en) | 2024-03-01 |
Family
ID=90006824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321225435.7U Active CN220546737U (en) | 2023-05-20 | 2023-05-20 | Filter tube denitration desulfurization dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220546737U (en) |
-
2023
- 2023-05-20 CN CN202321225435.7U patent/CN220546737U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |