CN216909621U - Flue gas purification device for electrolytic aluminum industry - Google Patents
Flue gas purification device for electrolytic aluminum industry Download PDFInfo
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- CN216909621U CN216909621U CN202122725506.7U CN202122725506U CN216909621U CN 216909621 U CN216909621 U CN 216909621U CN 202122725506 U CN202122725506 U CN 202122725506U CN 216909621 U CN216909621 U CN 216909621U
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Abstract
The utility model relates to the technical field of flue gas purification equipment, and particularly discloses a flue gas purification device for electrolytic aluminum industry, which comprises a flue gas filter box and a flue gas purification box, wherein the flue gas filter box is arranged in the flue gas filter box; an air inlet is formed in one side of the smoke filter box and is communicated with an air outlet of a first fan through an air inlet pipeline, an air inlet of the first fan is communicated with a ventilating pipeline, and the ventilating pipeline is used for being connected with smoke exhaust equipment; a multi-stage filtering air duct is arranged inside the smoke filtering box; the bottom one side of flue gas rose box has been seted up and has been purified the export, purifies to export and goes up through purifying tuber pipe and second fan intercommunication flue gas purification case, and the one-level shower is installed on the top of flue gas purification case, and the one-level shower head is installed to the bottom of one-level shower. The multistage filter dryer comprises the three cartridge filter of overlapping the cover each other, can realize filtering, adsorbing layer upon layer to the flue gas to structural design through cartridge filter self collects in concentrating leading-in to the dirty box of collection with impurity, and convenient the processing.
Description
Technical Field
The utility model relates to the technical field of flue gas purification equipment, in particular to a flue gas purification device for electrolytic aluminum industry.
Background
In the electrolytic aluminum production process, hydrogen fluoride gas generated after the hydrolysis reaction of fluoride salt and water at high temperature is a main pollutant generated in the electrolytic aluminum process, SO2 and fluoride in the flue gas of an aluminum plant are treated and recovered, resource utilization is realized, and the method has important practical significance for promoting energy conservation and emission reduction of the aluminum industry, upgrading the industry and creating good economic, social and environmental benefits.
The existing filtering mechanism of the flue gas purifying device for the electrolytic aluminum industry is easy to block in the long-term use process, so that the purification effect of fluoride in the flue gas in the later period is poor, the purifying liquid and the fluoride can not fully react, and the purification is not thorough enough, so that the filtering mechanism needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flue gas purification device for the electrolytic aluminum industry, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a flue gas purification device for electrolytic aluminum industry comprises a flue gas filter box and a flue gas purification box; an air inlet is formed in one side of the smoke filter box and is communicated with an air outlet of a first fan through an air inlet pipeline, an air inlet of the first fan is communicated with a ventilating pipeline, and the ventilating pipeline is used for being connected with smoke exhaust equipment; a multi-stage filtering air duct is arranged in the flue gas filtering box and comprises a first-stage filtering drum, a second-stage filtering drum and a third-stage filtering drum; a cavity between the first-stage filter cylinder and the second-stage filter cylinder is set as a first transition cavity, and a second transition cavity is set between the second-stage filter cylinder and the third-stage filter cylinder;
a first-stage brush plate and a second-stage brush plate with double-sided brush wires are respectively arranged inside the first transition cavity and the second transition cavity, a driving motor is installed at the bottom of the flue gas filter box, the output end of the driving motor is connected with a driving rotating shaft, and the first-stage brush plate and the second-stage brush plate are both fixed on the driving rotating shaft; the bottom one side of flue gas rose box has been seted up and has been purified the export, purifies the export and goes up through purifying the purification entry that purifies tuber pipe and second fan intercommunication flue gas purification box, and the one-level shower is installed on flue gas purification box's top, and the one-level shower is installed to the bottom of one-level shower, and flue gas purification box's bottom is provided with reaction tank, and the bottom of reaction tank communicates the fluid-discharge tube.
Preferably, the first-stage filter cartridge cover is arranged above the second-stage filter cartridge, the second-stage filter cartridge cover is arranged above the third-stage filter cartridge, and the mesh aperture sizes of the first-stage filter cartridge, the second-stage filter cartridge and the third-stage filter cartridge are sequentially decreased progressively.
Preferably, the top end of the driving rotating shaft sequentially penetrates through the third-stage filter cartridge, the second-stage filter cartridge and the first-stage filter cartridge from bottom to top and is rotatably connected with the top ends of the three filter cartridges; the top setting of drive pivot is on the top of one-level cartridge filter, and the tip of one-level brush board and second grade brush board is all fixed on the outer wall of drive pivot through the position sleeve ring.
Preferably, the cross-section of one-level cartridge filter, second grade cartridge filter and tertiary cartridge filter is the toper structure, one-level brush board, second grade brush board respectively with the outer wall radian adaptation of second grade cartridge filter, tertiary cartridge filter.
Preferably, the bottom setting of one-level filter cartridge is in the bottom top of secondary filter cartridge, and the bottom setting of secondary filter cartridge is in the bottom top of tertiary filter cartridge, and the bottom mounting of tertiary filter cartridge has seted up the drain on the flue gas rose box of tertiary filter cartridge bottom top on the inner wall of flue gas rose box, the dirty box downward sloping setting of drain intercommunication collection, has seted up the bin outlet on the dirty box of collection, and the joint has sealed lid on the bin outlet.
Preferably, the bottom ends of the first-stage filter cartridge and the second-stage filter cartridge are both provided with spoilers of annular structures, and an activated carbon adsorption filler is arranged in an inner cavity of the third-stage filter cartridge.
Preferably, a flue gas shunting baffle is installed in the flue gas purification box below the purification inlet, a flue gas shunting cylinder is arranged at the bottom of the flue gas shunting baffle, a secondary spray pipe is installed outside the flue gas shunting cylinder, and a secondary spray head is installed on one surface of the secondary spray pipe facing the flue gas shunting cylinder.
Preferably, the flue gas reposition of redundant personnel section of thick bamboo is rectangle fretwork column structure, and the quantity of flue gas reposition of redundant personnel section of thick bamboo is provided with at least two sets ofly, and at least two sets of second grade shower heads are all installed in the outside of each group flue gas reposition of redundant personnel section of thick bamboo.
Preferably, the primary spray pipe and the secondary spray pipe are both communicated with the alkaline liquid tank through liquid supply pipes and a water pump.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model provides a flue gas purification device for electrolytic aluminum industry, which mainly comprises a flue gas filter box and a flue gas purification box, wherein a multistage filtering air duct is arranged in the flue gas filter box, and the multistage filtering air duct consists of three filter cartridges which are mutually overlapped, so that impurities such as particles in flue gas can be filtered and adsorbed layer by layer, and the impurities are intensively introduced into a sewage collection box for collection through the structural design of the filter cartridges, and the treatment is convenient.
2. According to the utility model, the first-stage brush plate and the second-stage brush plate are respectively arranged in the first transition cavity and the second transition cavity of the multistage filtering air duct, the first-stage brush plate and the second-stage brush plate are driven to rotate along the inner wall of the corresponding filter cartridge by the driving rotating shaft of the driving motor, the surface of the corresponding filter cartridge is automatically cleaned by the double-sided brush wires, and the condition that the multistage filtering air duct is blocked in the long-term use process is prevented.
3. According to the flue gas purification device for the electrolytic aluminum industry, the first-stage spraying component and the second-stage spraying component are arranged inside the flue gas purification box, so that the filtered flue gas can be intensively and sufficiently sprayed, the flue gas is sufficiently contacted and reacted with alkali liquor, and the flue gas purification efficiency and quality are improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a multi-stage filtration cartridge according to the present invention;
fig. 3 is a schematic structural diagram of the dirt collecting box of the present invention.
In the figure: 1. a flue gas filter box; 2. a flue gas purification box; 3. an air intake duct; 4. a first fan; 5. a ventilation duct; 6. a first-stage filter cartridge; 7. a secondary filter cartridge; 8. a third-stage filter cartridge; 9. a first transition chamber; 10. a second transition chamber; 11. a first-stage brush plate; 12. a second-stage brush plate; 13. a drive motor; 14. driving the rotating shaft; 15. purifying the air pipe; 16. a second fan; 17. a first stage showerhead; 18. a reaction tank; 19. a liquid discharge pipe; 20. a positioning collar; 21. a dirt collecting box; 22. a sealing cover; 23. a spoiler; 24. activated carbon adsorption packing; 25. a flue gas diversion baffle plate; 26. a flue gas shunt cylinder; 27. a secondary spray header; 28. a liquid supply tube; 29. a water pump; 30. and an alkaline liquid tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Referring to fig. 1-3, the present invention provides a technical solution: a flue gas purification device for electrolytic aluminum industry comprises a flue gas filter box 1 and a flue gas purification box 2; an air inlet is formed in one side of the smoke filter box 1 and is communicated with an air outlet of a first fan 4 through an air inlet pipeline 3, an air inlet of the first fan 4 is communicated with a ventilating pipeline 5, and the ventilating pipeline 5 is used for being connected with smoke exhaust equipment; a multi-stage filtering air duct is arranged in the flue gas filtering box 1, and comprises a first-stage filtering drum 6, a second-stage filtering drum 7 and a third-stage filtering drum 8; a cavity between the first-stage filter cartridge 6 and the second-stage filter cartridge 7 is set as a first transition chamber 9, and a second transition chamber 10 is set between the second-stage filter cartridge 7 and the third-stage filter cartridge 8;
a first-stage brush plate 11 and a second-stage brush plate 12 with double-sided brush wires are respectively arranged inside the first transition cavity 9 and the second transition cavity 10, a driving motor 13 is installed at the bottom of the flue gas filtering box 1, the output end of the driving motor 13 is connected with a driving rotating shaft 14, and the first-stage brush plate 11 and the second-stage brush plate 12 are both fixed on the driving rotating shaft 14; a purification outlet is formed in one side of the bottom of the flue gas filter box 1, the purification outlet is communicated with a purification inlet of the flue gas purification box 2 through a purification air pipe 15 and a second fan 16, a first-level spray pipe is installed at the top end of the flue gas purification box 2, a first-level spray head 17 is installed at the bottom of the first-level spray pipe, a reaction tank 18 is arranged at the bottom of the flue gas purification box 2, and a liquid discharge pipe 19 is communicated with the bottom of the reaction tank 18.
Further, 6 covers of one-level cartridge filter establish in the top of two-stage filter section of thick bamboo 7, and 7 covers of two-stage filter section of thick bamboo establish in the top of three-stage filter section of thick bamboo 8, and the mesh aperture size of one-level cartridge filter 6, two-stage filter section of thick bamboo 7, three-stage filter section of thick bamboo 8 diminishes in proper order.
Further, the top end of the driving rotating shaft 14 sequentially penetrates through the third-stage filter cartridge 8, the second-stage filter cartridge 7 and the first-stage filter cartridge 6 from bottom to top and is rotatably connected with the top ends of the three filter cartridges; the top end of the driving rotating shaft 14 is arranged at the top end of the primary filter cylinder 6, and the end parts of the primary brush plate 11 and the secondary brush plate 12 are fixed on the outer wall of the driving rotating shaft 14 through the positioning lantern ring 20.
Further, the cross-section of one-level cartridge filter 6, two-stage filter cartridge 7 and three-stage filter cartridge 8 are the toper structure, and one-level brush board 11, two-stage brush board 12 respectively with two-stage filter cartridge 7, three-stage filter cartridge 8's outer wall radian adaptation.
Further, the bottom setting of one-level cartridge filter 6 is in the bottom top of secondary filter cartridge 7, and the bottom setting of secondary filter cartridge 7 is in the bottom top of tertiary filter cartridge 8, and the bottom mounting of tertiary filter cartridge 8 is on the inner wall of flue gas rose box 1, has seted up the drain on the flue gas rose box 1 of tertiary filter cartridge 8 bottom top, and the drain intercommunication gathers dirty box 21, gathers dirty box 21 downward sloping setting, has seted up the bin outlet on the dirty box 21 of collection, and the joint has sealed lid 22 on the bin outlet.
Further, the bottom ends of the first-stage filter cartridge 6 and the second-stage filter cartridge 7 are both provided with a spoiler 23 of an annular structure, and an activated carbon adsorption filler 24 is arranged in the inner cavity of the third-stage filter cartridge 8.
Further, install flue gas reposition of redundant personnel baffle 25 in the gas cleaning case 2 of purification entry below, the bottom of flue gas reposition of redundant personnel baffle 25 is provided with flue gas reposition of redundant personnel section of thick bamboo 26, and the second grade shower is installed in the outside of flue gas reposition of redundant personnel section of thick bamboo 26, and the second grade shower is installed second grade shower 27 on the one side of flue gas reposition of redundant personnel section of thick bamboo 26 towards the second grade shower.
Further, flue gas reposition of redundant personnel section of thick bamboo 26 is rectangle fretwork column structure, and the quantity of flue gas reposition of redundant personnel section of thick bamboo 26 is provided with at least two sets ofly, and at least two sets of second grade shower heads 27 are all installed to the outside of each group flue gas reposition of redundant personnel section of thick bamboo 26.
Furthermore, the primary spray pipe and the secondary spray pipe are both communicated with an alkaline liquid tank 30 through a liquid supply pipe 28 and a water pump 29.
The working principle is as follows: when this equipment in-service use, communicate air pipe 5 and fume emission equipment, cooperation through first fan 4 and admission line 3, introduce pending flue gas to flue gas rose box 1 in, make it to pass through one-level cartridge filter 6, second grade cartridge filter 7, three-level cartridge filter 8 filters layer upon layer, less impurity in 24 to the flue gas of active carbon adsorption filler through three-level cartridge filter 8 adsorbs, the impurity that filters out via three cartridge filter concentrates to the drain under the effect of gravity, lead to the dirty box 21 of collection via the drain in, operating personnel can carry out periodic cleaning through opening the impurity of sealed lid 22 in to the dirty box 21 of collection.
In this flue gas rose box 1 in-process of using actually, in order to avoid the condition that the jam appears in the multi-stage filtration dryer, operating personnel can regularly start driving motor 13, one-level brush board 11 in the drive first transition chamber 9 of drive shaft 14 drive through driving motor 13 and the second transition chamber 10, second grade brush board 12 revolves along the inner wall of the cartridge filter that corresponds, carry out automatic clearance through the double-sided brush silk on the brush board that corresponds to the cartridge filter surface that corresponds, prevent that the condition of jam appears in the in-process of using for a long time in the multi-stage filtration dryer.
After the smoke is filtered by related components in the smoke filtering box 1, the smoke is introduced into the smoke purifying box 2 through the matching of the second fan 16 and the purifying air pipe 15, after the smoke enters the smoke purifying box 2, the alkali liquor in the alkali liquor box 30 is pumped to the first-stage spray pipe and the second-stage spray pipe through the matching of the water pump 29 and the liquid supply pipe 28, the smoke is subjected to primary spraying work through the first-stage spray head 17, the smoke subjected to primary spraying is distributed into the smoke distributing cylinder 26 at the bottom of the smoke distributing partition plate 25, the distributed smoke is subjected to secondary spraying work through the second-stage spray head 27, the smoke in the smoke distributing cylinder 26 can also be contacted and reacted with the alkali liquor which is sprayed out through the first-stage spray head 17 and flows into the smoke distributing cylinder 26 under the action of gravity, so that the alkali liquor can be concentrated and fully contacted with the filtered smoke and generate a certain reaction, the efficiency and the quality of the flue gas purification are improved.
It is worth noting that: the whole device realizes control to the device through the controller, and the controller is common equipment and belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure of the controller are not repeated herein.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A flue gas purification device for electrolytic aluminum industry, which is characterized in that: comprises a flue gas filter box (1) and a flue gas purification box (2); an air inlet is formed in one side of the smoke filter box (1), the air inlet is communicated with an air outlet of the first fan (4) through an air inlet pipeline (3), an air inlet of the first fan (4) is communicated with a ventilation pipeline (5), and the ventilation pipeline (5) is used for being connected with smoke exhaust equipment; a multi-stage filtering air duct is arranged inside the smoke filtering box (1), and comprises a primary filtering drum (6), a secondary filtering drum (7) and a tertiary filtering drum (8); a cavity between the first-stage filter cartridge (6) and the second-stage filter cartridge (7) is set as a first transition cavity (9), and a second transition cavity (10) is set between the second-stage filter cartridge (7) and the third-stage filter cartridge (8);
a first-stage brush plate (11) and a second-stage brush plate (12) with double-sided brush wires are respectively arranged inside the first transition cavity (9) and the second transition cavity (10), a driving motor (13) is installed at the bottom of the flue gas filter box (1), the output end of the driving motor (13) is connected with a driving rotating shaft (14), and the first-stage brush plate (11) and the second-stage brush plate (12) are both fixed on the driving rotating shaft (14); the purification export has been seted up to bottom one side of flue gas rose box (1), and the purification entry that communicates flue gas purification box (2) through purification tuber pipe (15) and second fan (16) on the purification export, the one-level shower is installed on the top of flue gas purification box (2), and one-level shower head (17) are installed to the bottom of one-level shower, and the bottom of flue gas purification box (2) is provided with reaction tank (18), bottom intercommunication fluid-discharge tube (19) of reaction tank (18).
2. The flue gas purification device for the electrolytic aluminum industry according to claim 1, wherein: the top at secondary filter section of thick bamboo (7) is established to primary filter cartridge (6) cover, and the top at tertiary filter section of thick bamboo (8) is established to secondary filter section of thick bamboo (7) cover, and the mesh aperture size of primary filter cartridge (6), secondary filter section of thick bamboo (7), tertiary filter section of thick bamboo (8) diminishes in proper order.
3. The flue gas purification device for the electrolytic aluminum industry according to claim 1, wherein: the top end of the driving rotating shaft (14) sequentially penetrates through the three-stage filter cartridge (8), the two-stage filter cartridge (7) and the first-stage filter cartridge (6) from bottom to top and is rotatably connected with the top ends of the three filter cartridges; the top setting of drive pivot (14) is on the top of one-level cartridge filter (6), and the tip of one-level brush board (11) and second grade brush board (12) is all fixed on the outer wall of drive pivot (14) through position collar (20).
4. The flue gas purification device for the electrolytic aluminum industry according to claim 1, wherein: the cross-section of one-level cartridge filter (6), secondary filter cartridge (7) and tertiary filter cartridge (8) is the toper structure, one-level brush board (11), secondary brush board (12) respectively with the outer wall radian adaptation of secondary filter cartridge (7), tertiary filter cartridge (8).
5. The flue gas purification device for the electrolytic aluminum industry according to claim 1, wherein: the bottom setting of one-level cartridge filter (6) is in the bottom top of secondary filter cartridge filter (7), and the bottom setting of secondary filter cartridge filter (7) is in the bottom top of tertiary filter cartridge filter (8), and the bottom mounting of tertiary filter cartridge filter (8) is on the inner wall of flue gas rose box (1), has seted up the drain on flue gas rose box (1) of tertiary filter cartridge filter (8) bottom top, and drain intercommunication collection dirty box (21), dirty box (21) downward sloping setting of collection has seted up the bin outlet on the dirty box (21) of collection, and the joint has sealed lid (22) on the bin outlet.
6. The flue gas purification device for the electrolytic aluminum industry according to claim 1, wherein: the bottom ends of the first-stage filter cartridge (6) and the second-stage filter cartridge (7) are both provided with spoilers (23) with annular structures, and the inner cavity of the third-stage filter cartridge (8) is internally provided with activated carbon adsorption fillers (24).
7. The flue gas purification device for the electrolytic aluminum industry according to claim 1, wherein: install flue gas reposition of redundant personnel baffle (25) in flue gas purification case (2) of purification entry below, the bottom of flue gas reposition of redundant personnel baffle (25) is provided with flue gas reposition of redundant personnel section of thick bamboo (26), and the second grade shower is installed in the outside of flue gas reposition of redundant personnel section of thick bamboo (26), and second grade shower is installed in the one side of second grade shower towards flue gas reposition of redundant personnel section of thick bamboo (26) second grade shower (27).
8. The flue gas purification device for the electrolytic aluminum industry according to claim 7, wherein: the flue gas reposition of redundant personnel section of thick bamboo (26) are rectangle fretwork column structure, and the quantity of flue gas reposition of redundant personnel section of thick bamboo (26) is provided with at least two sets ofly, and at least two sets of second grade shower heads (27) are all installed in the outside of each group flue gas reposition of redundant personnel section of thick bamboo (26).
9. The flue gas purification device for electrolytic aluminum industry according to claim 1 or 7, wherein: the primary spray pipe and the secondary spray pipe are both communicated with an alkaline liquid tank (30) through a liquid supply pipe (28) and a water pump (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122725506.7U CN216909621U (en) | 2021-11-08 | 2021-11-08 | Flue gas purification device for electrolytic aluminum industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122725506.7U CN216909621U (en) | 2021-11-08 | 2021-11-08 | Flue gas purification device for electrolytic aluminum industry |
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| CN216909621U true CN216909621U (en) | 2022-07-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117717857A (en) * | 2023-10-25 | 2024-03-19 | 江苏春都环保科技有限公司 | Purification device and purification method for industrial emission smoke |
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2021
- 2021-11-08 CN CN202122725506.7U patent/CN216909621U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117717857A (en) * | 2023-10-25 | 2024-03-19 | 江苏春都环保科技有限公司 | Purification device and purification method for industrial emission smoke |
| CN117717857B (en) * | 2023-10-25 | 2024-04-19 | 江苏春都环保科技有限公司 | Purification device and purification method for industrial emission smoke |
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