CN112619309A - Flue gas purification system of automatically cleaning - Google Patents
Flue gas purification system of automatically cleaning Download PDFInfo
- Publication number
- CN112619309A CN112619309A CN202011366116.9A CN202011366116A CN112619309A CN 112619309 A CN112619309 A CN 112619309A CN 202011366116 A CN202011366116 A CN 202011366116A CN 112619309 A CN112619309 A CN 112619309A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- partition plate
- purification box
- circular partition
- half section
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/78—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving centrifugal forces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a self-cleaning flue gas purification system, which comprises a cylindrical purification box, wherein a circular partition plate is horizontally and rotatably arranged in the purification box, a plurality of filter bags are annularly arranged on the circular partition plate, and a rotating shaft is fixedly arranged at the center of the circular partition plate; the purifying box internal fixation is provided with the isolation section of thick bamboo of multilayer rather than coaxial setting, keeps apart a section of thick bamboo and divides into fixed connection in the first half section of circular baffle upper surface and fixed connection in the second half section of circular baffle lower surface, has seted up the air intake on the purifying box lateral wall that is located circular baffle below, has seted up the air outlet on being located the roof of the purifying box of an inlayer isolation section of thick bamboo top, and the intercommunication has communicating pipe between the purifying box inner chamber in the first half section outside of an isolation section of thick bamboo and the purifying box inner chamber of second half section inboard. The invention has the function of multi-stage filtration, and can simultaneously clean dust attached to the outer surface of the filter bag in real time, thereby further improving the flue gas purification effect.
Description
Technical Field
The invention relates to the field of flue gas purification treatment, in particular to a self-cleaning flue gas purification system.
Background
At present, in the production of enterprises such as thermal power generation, metal smelting, chemical industry and the like, a large amount of flue gas is generated due to fuel combustion or production, the flue gas contains fine particulate matters, sulfide, nitride and other pollutants, and the pollutants become the main source of air pollution. At present, there are various methods for purifying flue gas, which can be classified into absorption method, adsorption method, catalytic conversion method, biological method, plasma method, etc. according to different principles. The absorption method is the most common method, and the main principle is to separate out pollutants in the flue gas by absorption, so as to achieve the purpose of removing pollutants containing fine particulate matters, sulfides, nitrides and the like.
In the existing flue gas purification technology, the pollutants or particulate matters in the flue gas are generally filtered by cloth bag dust removal, the filtering times are only once, the filtered flue gas possibly contains the particulate matters or pollutants with smaller particle sizes, the purification effect of the flue gas does not reach the expected target, and in addition, the dust attached to the outer surface of the filter bag cannot be effectively cleaned, and the purification function of the filter bag can also be influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a self-cleaning flue gas purification system which has the function of filtering by a multistage filter bag and can simultaneously clean dust attached to the outer surface of the filter bag in real time, thereby further improving the flue gas purification effect.
The above object of the present invention is achieved by the following technical solutions:
a self-cleaning flue gas purification system comprises a cylindrical purification box, wherein a circular partition plate is horizontally arranged in the purification box in a rotating mode, a plurality of filter bags are annularly arranged on the circular partition plate, the opening parts of the filter bags are positioned above the circular partition plate, a rotating shaft is fixedly arranged at the center position of the circular partition plate, the lower end of the rotating shaft is rotatably arranged on a bottom plate of the purification box, the upper part of the rotating shaft is rotatably arranged on a top plate of the purification box, and the upper end of the rotating shaft is connected with a driving motor in a transmission mode; the outer edge of the circular partition plate is in circumferential sliding fit with the inner side wall of the purification box; the purifying box internal fixation is provided with the isolation section of thick bamboo of multilayer rather than coaxial setting, every layer of isolation section of thick bamboo divide into fixed connection in the first half section of circular baffle upper surface and fixed connection in the second half section of circular baffle lower surface, the up end of first half section and the roof of purifying box mutually sliding fit, the lower terminal surface of second half section and the bottom plate of purifying box mutually sliding fit, the air intake has been seted up on the purifying box lateral wall that is located circular baffle below, be located and seted up the air outlet on the roof of the purifying box of an inlayer isolation section top, the intercommunication has communicating pipe between the purifying box inner chamber in the first half section outside of isolation section and the purifying box inner chamber of second half section inboard.
Preferably, the bottom fixed bolster of purifying box has two stands, and the spout has all been seted up along its length direction to the medial surface of two stands, and sliding fit has the slider in the spout, fixedly connected with horizontal pole between two sliders, and a plurality of push pipes of arranging at interval of fixedly connected with on the horizontal pole, the push pipe with the bottom sliding fit of purifying box, and the upper end of push pipe can stretch into to the bottom of filter bag.
Preferably, the cross rod is hinged with two push rods, the other ends of the two push rods are hinged with rocking bars respectively, and the other ends of the two rocking bars are fixedly connected to the output shaft of the double-shaft motor respectively.
Preferably, the push rod is hinged with the end part of the rocker through a pin shaft, and two ends of the pin shaft are respectively in threaded connection with nuts.
Preferably, the upper ends of the plurality of top pipes are connected with spray heads, a plurality of upward spray holes are distributed at the upper parts of the spray heads, and the inner cavities of the top pipes are communicated with a compressed air source through air conveying pipes.
Preferably, the communicating pipe is L-shaped, and one end of the communicating pipe, which is positioned above the circular clapboard, is trumpet-shaped.
Preferably, a through hole matched with the top pipe is formed in the bottom plate of the purification box, and a sealing ring is arranged between the inner wall of the through hole and the outer wall of the top pipe.
Preferably, the inner wall of the purification box is provided with an annular groove, and the outer edge of the circular partition plate is provided with a flange matched with the annular groove.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the flue gas enters the annular inner cavity of the purification box from the air inlet of the purification box, is discharged from the opening of the outermost filter bag after the filtering action of the outermost filter bag, enters the annular inner cavity formed by the surrounding of the upper half section of the outermost isolation cylinder and the inner wall of the purification box, then enters the annular cavity formed by the surrounding of the lower half section of the outermost isolation cylinder and the lower half section of the next outer isolation cylinder through the communicating pipe, and is discharged from the inner cavity formed by the surrounding of the upper half section of the innermost isolation cylinder in a sequential analogized mode, so that the multi-stage filter bag filtering function of the flue gas is realized; the driving motor drives the rotating shaft to rotate, the circular partition plates are driven to synchronously rotate by taking the rotating shaft as an axis, the upper half sections and the lower half sections of the isolating cylinders of all layers are respectively and fixedly connected to the upper surface and the lower surface of the circular partition plates, the isolating plates and the circular partition plates realize synchronous rotation, the rotating circular partition plates simultaneously drive the filter bags to rotate by taking the rotating shaft as the axis, and the dust on the outer surfaces of the filter bags is peeled by centrifugal force generated by rotation, so that the purpose of automatically cleaning the outer surfaces of the filter bags is achieved;
2. two output shafts of the double-shaft motor respectively drive a rocker to rotate, the rocker, a push rod, a cross rod and a slide block form a slider-crank mechanism, the slide block vertically moves up and down along a slide groove on the inner side surface of an upright post, the push rod pushes a top pipe to vertically move up and down, a spray head at the upper end of the top pipe repeatedly supports the bottom of a filter bag right above the top pipe so as to clean dust on the outer surface of the corresponding filter bag, and after cleaning is finished, the top pipe moves downwards to the lower side of the filter bag. The driving motor drives the rotating shaft to rotate by a certain angle, correspondingly, the circular partition plate rotates by a certain angle, the cleaned filter bag leaves the starting position, the adjacent filter bag which is not cleaned moves to the position right above the spray head at the upper end of the top pipe, and the double-shaft motor is started to repeat the previous cleaning operation until all the filter bags on the circular partition plate complete the outer surface dust cleaning operation.
3. The upper ends of the top pipes are connected with the nozzles, the nozzles are communicated with a compressed air source through the top pipes and the air delivery pipes, the nozzles are located right below the filter bags, compressed air is sprayed out from spray holes in the upper portions of the nozzles, and the sprayed air flow can blow off dust attached to the outer surfaces of the filter bags so as to further clean the dust on the outer surfaces of the filter bags above the nozzles. The driving motor drives the rotating shaft to rotate for a certain angle, correspondingly, the circular partition plate rotates for a certain angle, the cleaned filter bag leaves the starting position, the adjacent filter bag which is not cleaned moves to the position right above the spray head at the upper end of the top pipe, and the double-shaft motor is started to repeat the previous cleaning work. Until all the filter bags on the circular partition plate complete further dust cleaning work on the outer surface.
Drawings
Fig. 1 is a schematic diagram of a self-cleaning flue gas cleaning system.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
The reference signs are: 1. a purification box; 2. a circular separator plate; 3. a rotating shaft; 4. a drive motor; 5. an isolation cylinder; 6. a filter bag; 7. the upper half section; 8. a lower half section; 9. an air inlet; 10. an air outlet; 11. a communicating pipe; 12. a column; 13. a chute; 14. a flange; 15. a slider; 16. a cross bar; 17. jacking pipes; 18. a push rod; 19. a rocker; 20. a double-shaft motor; 21. a pin shaft; 22. a nut; 23. a spray head; 24. spraying a hole; 25. a gas delivery pipe; 26. a seal ring; 27. an annular groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a self-cleaning flue gas purification system comprises a cylindrical purification box 1, a circular partition plate 2 is horizontally arranged in the purification box 1 in a rotating manner, a plurality of filter bags 6 are annularly arranged on the circular partition plate 2, the openings of the filter bags 6 are positioned above the circular partition plate 2, a rotating shaft 3 is fixedly arranged at the center position of the circular partition plate 2, the lower end of the rotating shaft 3 is rotatably arranged on a bottom plate of the purification box 1, the upper part of the rotating shaft 3 is rotatably arranged on a top plate of the purification box 1, and the upper end of the rotating shaft 3 is in transmission connection with a driving motor 4; the outer edge of the circular partition board 2 is in circumferential sliding fit with the inner side wall of the purification box 1, the inner wall of the purification box 1 is provided with an annular groove 27, and the outer edge of the circular partition board 2 is provided with a flange 14 matched with the annular groove 27; the purifying box 1 is internally and fixedly provided with a plurality of layers of isolating cylinders 5 which are coaxially arranged with the purifying box 1, each layer of isolating cylinder 5 is divided into an upper half section 7 which is fixedly connected to the upper surface of the circular partition board 2 and a lower half section 8 which is fixedly connected to the lower surface of the circular partition board 2, the upper end surface of the upper half section 7 is in sliding fit with the top plate of the purifying box 1, the lower end surface of the lower half section 8 is in sliding fit with the bottom plate of the purifying box 1, the side wall of the purifying box 1 below the circular partition board 2 is provided with an air inlet 9, the top plate of the purifying box 1 above the innermost isolating cylinder 5 is provided with an air outlet 10, and a communicating pipe 11 is communicated between the inner cavity of the purifying box 1 outside the upper half section 7 of the isolating cylinder 5 and. The communicating pipe 11 is L-shaped, and one end of the communicating pipe above the circular clapboard 2 is trumpet-shaped.
The bottom fixed bolster of purifying box 1 has two stands 12, spout 13 has all been seted up along its length direction to the medial surface of two stands 12, sliding fit has slider 15 in spout 13, fixedly connected with horizontal pole 16 between two sliders 15, four interval arrangement's of fixedly connected with push pipe 17 on the horizontal pole 16, push pipe 17 and purifying box 1's bottom sliding fit, and push pipe 17's upper end can stretch into to the bottom of filter bag 6, set up on purifying box 1's the bottom plate with push pipe 17 matched with perforation, be provided with sealing washer 26 between fenestrate inner wall and the outer wall of push pipe 17. Two push rods 18 are hinged on the cross rod 16, the other ends of the two push rods 18 are respectively hinged with a rocker 19, and the other ends of the two rockers 19 are respectively fixedly connected to an output shaft of a double-shaft motor 20. The push rod 18 is hinged with the end part of the rocker 19 through a pin 21, and two ends of the pin 21 are respectively in threaded connection with nuts 22.
The upper ends of the four jacking pipes 17 are connected with spray heads 23, a plurality of upward spray holes 24 are distributed at the upper parts of the spray heads 23, and the inner cavities of the jacking pipes 17 are communicated with a compressed air source through air conveying pipes 25. The air delivery pipe 25 is a flexible pipe so as to meet the working condition requirement of vertical movement of the top pipe 17.
The implementation principle of the embodiment is as follows: the flue gas firstly enters the annular inner cavity of the purification box 1 from the air inlet 9 of the purification box 1, after the filtering action of the outermost filter bag 6, the flue gas is discharged from the mouth part of the outermost filter bag 6, enters the annular inner cavity formed by the surrounding of the upper half section 7 of the outermost isolation cylinder 5 and the inner wall of the purification box 1, then enters the annular cavity formed by the surrounding of the lower half section 8 of the outermost isolation cylinder 5 and the lower half section 8 of the next outer isolation cylinder 5 through the communicating pipe 11, and the like until the flue gas is discharged from the inner cavity formed by the surrounding of the upper half section 7 of the innermost isolation cylinder 5, so that the multi-stage filter bag 6 of the flue gas is filtered; the driving motor 4 drives the rotating shaft 3 to rotate, the circular partition board 2 is driven to synchronously rotate by taking the rotating shaft 3 as an axis, the upper half section 7 and the lower half section 8 of each layer of isolating cylinder 5 are respectively and fixedly connected to the upper surface and the lower surface of the circular partition board 2, each isolating board and the circular partition board 2 realize synchronous rotation, the rotating circular partition board 2 simultaneously drives the filter bag 6 to rotate by taking the rotating shaft 3 as the axis, and dust on the outer surface of the filter bag 6 is peeled by centrifugal force generated by rotation.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A self-cleaning flue gas purification system comprises a cylindrical purification box (1), wherein a circular partition plate (2) is horizontally arranged in the purification box (1) in a rotating manner, a plurality of filter bags (6) are annularly arranged on the circular partition plate (2), and the opening parts of the filter bags (6) are positioned above the circular partition plate (2), and the self-cleaning flue gas purification system is characterized in that a rotating shaft (3) is fixedly arranged at the center position of the circular partition plate (2), the lower end of the rotating shaft (3) is rotatably arranged on a bottom plate of the purification box (1), the upper part of the rotating shaft (3) is rotatably arranged on a top plate of the purification box (1), and the upper end of the rotating shaft (3) is connected with a driving motor (4; the outer edge of the circular partition plate (2) is in circumferential sliding fit with the inner side wall of the purification box (1); the purification box (1) is internally and fixedly provided with a plurality of layers of isolation cylinders (5) which are coaxially arranged with the purification box, each layer of isolation cylinder (5) is divided into an upper half section (7) which is fixedly connected with the upper surface of the circular partition plate (2) and a lower half section (8) which is fixedly connected with the lower surface of the circular partition plate (2), the upper end surface of the upper half section (7) is in sliding fit with the top plate of the purification box (1), the lower end surface of the lower half section (8) is in sliding fit with the bottom plate of the purification box (1), the side wall of the purification box (1) which is positioned below the circular partition plate (2) is provided with an air inlet (9), the top plate of the purification box (1) which is positioned above the innermost isolation cylinder (5) is provided with, a communicating pipe (11) is communicated between the inner cavity of the purifying box (1) at the outer side of the upper half section (7) of the isolating cylinder (5) and the inner cavity of the purifying box (1) at the inner side of the lower half section (8).
2. A self-cleaning flue gas cleaning system according to claim 1, wherein: the bottom fixed bolster of purifying box (1) has two stands (12), and spout (13) have all been seted up along its length direction to the medial surface of two stands (12), and sliding fit has slider (15) in spout (13), fixedly connected with horizontal pole (16) between two slider (15), and a plurality of top pipes (17) of interval arrangement of fixedly connected with on horizontal pole (16), top pipe (17) with the bottom sliding fit of purifying box (1) mutually, and the upper end of top pipe (17) can stretch into to the bottom of filter bag (6).
3. A self-cleaning flue gas cleaning system according to claim 2, wherein: the two push rods (18) are hinged to the cross rod (16), the other ends of the two push rods (18) are respectively hinged to a rocker (19), and the other ends of the two rockers (19) are respectively fixedly connected to output shafts of the double-shaft motor (20).
4. A self-cleaning flue gas cleaning system according to claim 3, wherein: the end parts of the push rod (18) and the rocker (19) are hinged through a pin shaft (21), and two ends of the pin shaft (21) are respectively in threaded connection with a nut (22).
5. A self-cleaning flue gas cleaning system according to claim 2, wherein: the upper ends of the plurality of jacking pipes (17) are connected with spray heads (23), a plurality of upward spray holes (24) are distributed at the upper parts of the spray heads (23), and the inner cavities of the jacking pipes (17) are communicated with a compressed air source through air conveying pipes (25).
6. A self-cleaning flue gas cleaning system according to claim 1, wherein: the communicating pipe (11) is L-shaped, and one end of the communicating pipe, which is positioned above the circular clapboard (2), is trumpet-shaped.
7. The self-cleaning flue gas purification system of claim 1, wherein a bottom plate of the purification box (1) is provided with a through hole matched with the top pipe (17), and a sealing ring (26) is arranged between the inner wall of the through hole and the outer wall of the top pipe (17).
8. A self-cleaning flue gas cleaning system according to claim 7, wherein: an annular groove (27) is formed in the inner wall of the purification box (1), and a flange (14) matched with the annular groove (27) is arranged on the outer edge of the circular partition plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011366116.9A CN112619309A (en) | 2020-11-29 | 2020-11-29 | Flue gas purification system of automatically cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011366116.9A CN112619309A (en) | 2020-11-29 | 2020-11-29 | Flue gas purification system of automatically cleaning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112619309A true CN112619309A (en) | 2021-04-09 |
Family
ID=75307041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011366116.9A Pending CN112619309A (en) | 2020-11-29 | 2020-11-29 | Flue gas purification system of automatically cleaning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112619309A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05329317A (en) * | 1992-05-28 | 1993-12-14 | Hitachi Plant Eng & Constr Co Ltd | Dust collector |
| CN207462777U (en) * | 2017-11-06 | 2018-06-08 | 叶巧敏 | A kind of multilayer bag type filter |
| CN108159798A (en) * | 2016-12-08 | 2018-06-15 | 天津市嘉腾环保设备有限公司 | A kind of cloth bag dust remover |
| CN108421329A (en) * | 2018-06-15 | 2018-08-21 | 怀宁弘立混凝土有限公司 | A kind of industrial dust collector |
| CN110433576A (en) * | 2019-08-02 | 2019-11-12 | 刘光旭 | A kind of bag-type dust removing system good for the dredging effect of air cleaning |
| CN110523187A (en) * | 2019-08-22 | 2019-12-03 | 郭喜 | A kind of multi-stag fume gases processing unit |
| CN210114909U (en) * | 2019-04-26 | 2020-02-28 | 安徽华塑股份有限公司 | Dust removal and recovery device for industrial tail gas |
| CN111701356A (en) * | 2020-07-06 | 2020-09-25 | 卢松伟 | Quick-release type dust removal environment-friendly equipment with spare cloth bag and using method |
-
2020
- 2020-11-29 CN CN202011366116.9A patent/CN112619309A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05329317A (en) * | 1992-05-28 | 1993-12-14 | Hitachi Plant Eng & Constr Co Ltd | Dust collector |
| CN108159798A (en) * | 2016-12-08 | 2018-06-15 | 天津市嘉腾环保设备有限公司 | A kind of cloth bag dust remover |
| CN207462777U (en) * | 2017-11-06 | 2018-06-08 | 叶巧敏 | A kind of multilayer bag type filter |
| CN108421329A (en) * | 2018-06-15 | 2018-08-21 | 怀宁弘立混凝土有限公司 | A kind of industrial dust collector |
| CN210114909U (en) * | 2019-04-26 | 2020-02-28 | 安徽华塑股份有限公司 | Dust removal and recovery device for industrial tail gas |
| CN110433576A (en) * | 2019-08-02 | 2019-11-12 | 刘光旭 | A kind of bag-type dust removing system good for the dredging effect of air cleaning |
| CN110523187A (en) * | 2019-08-22 | 2019-12-03 | 郭喜 | A kind of multi-stag fume gases processing unit |
| CN111701356A (en) * | 2020-07-06 | 2020-09-25 | 卢松伟 | Quick-release type dust removal environment-friendly equipment with spare cloth bag and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111974116A (en) | Self-rotating industrial waste gas particle filtering device based on recoil self-cleaning principle | |
| CN214416003U (en) | Organic waste gas treatment device | |
| CN112984532A (en) | VOCs tail gas clean-up system | |
| CN1218768C (en) | Filtration type gas separation and purification equipment with rapid moving filtering layer | |
| CN212017255U (en) | Dust collector for SOx/NOx control | |
| CN112619309A (en) | Flue gas purification system of automatically cleaning | |
| CN201410345Y (en) | Turnover pulse dust remover of jetting system | |
| CN216171102U (en) | Waste gas purification absorbs treatment facility | |
| CN217220807U (en) | Industrial waste gas purifies environmental protection equipment | |
| CN216395677U (en) | Energy-concerving and environment-protective coarse copper production is with flue gas filter equipment | |
| CN216963976U (en) | Purification and dust removal device for micro silicon powder | |
| CN215742421U (en) | Pulse filter bag type dust collector | |
| CN212855015U (en) | Jetting device of bag-type dust remover | |
| CN207769468U (en) | A kind of environmental protection and energy saving spraying and dedusting degraded equipment | |
| CN112843968A (en) | Solid-state flue gas treatment device for chemical experiment | |
| CN114699856A (en) | Ecological clean system | |
| CN113457342A (en) | Waste gas treatment device for hot blast stove | |
| CN111603930A (en) | Clean briquette burning boiler | |
| CN112023585A (en) | High-efficient environmental protection dust removal exhaust apparatus | |
| CN220834948U (en) | Catalyst spray set | |
| CN216935194U (en) | Sedimentation type dust removal environment-friendly equipment | |
| CN220310064U (en) | Industrial waste gas purifying tower | |
| CN220633622U (en) | Dedusting and demisting tower | |
| CN216024121U (en) | Multi-section catalytic oxidation device for industrial waste gas | |
| CN214159033U (en) | Wet dust collector for waste gas treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |
|
| RJ01 | Rejection of invention patent application after publication |