CN116222203A - High-temperature-resistant sealing structure for kiln tail of lithium ore roasting rotary kiln - Google Patents
High-temperature-resistant sealing structure for kiln tail of lithium ore roasting rotary kiln Download PDFInfo
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- CN116222203A CN116222203A CN202310256231.8A CN202310256231A CN116222203A CN 116222203 A CN116222203 A CN 116222203A CN 202310256231 A CN202310256231 A CN 202310256231A CN 116222203 A CN116222203 A CN 116222203A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
- F27B7/24—Seals between rotary and stationary parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a high-temperature-resistant sealing structure of a kiln tail of a lithium ore roasting rotary kiln, which belongs to the field of sealing structures and comprises a kiln cylinder, wherein a kiln tail smoke hood is arranged at the side surface of the kiln cylinder, a sealing mechanism is movably arranged between the kiln cylinder and the kiln tail smoke hood and comprises an outer expanding tube, a sealing ring plate, a static connecting cylinder, a first limiting ring, a second limiting ring, a first sealing ring, a second sealing ring and a pushing ring, the sealing effect between the kiln cylinder and the static connecting cylinder is better through the sealing mechanism, the outer expanding tube is cooled through a cooling mechanism arranged on the outer expanding tube, the temperature of the outer expanding tube and the sealing ring plate is reduced through the transmission of high temperature blocking, the temperatures of the outer expanding tube and the sealing ring plate are reduced, the temperatures of the first sealing ring and the second sealing ring are not easy to soften at high temperature, the waste heat recovery tube is more heat resistant, the waste heat recovery tube is subjected to soot removal operation through a soot removal mechanism arranged, the waste heat effect of the waste heat recovery tube is easier, and the waste heat effect of the waste heat recovery tube can be kept good.
Description
Technical Field
The invention relates to the field of sealing structures, in particular to a high-temperature-resistant sealing structure for a kiln tail of a lithium ore roasting rotary kiln.
Background
Lithium ore is an important raw material of lithium battery materials of new energy, after mixing and stirring the lithium ore raw material and roasting auxiliary materials uniformly, pressing the raw material to form by a brick making machine, then sending the pressed raw material into a rotary kiln to calcine, cooling, crushing by ball milling, immersing in a leaching tank, after solid-liquid separation, obtaining the raw material of the lithium battery by mixing, evaporating, separating and concentrating, when the lithium ore is calcined in the rotary kiln, entering a kiln barrel through a kiln tail, and after high-temperature calcination in the kiln barrel, but when the kiln barrel is connected with a rotary kiln barrel, the air leakage phenomenon easily occurs in the existing kiln tail structure, and the high-temperature kiln barrel transfers the temperature to a sealing rubber pad on the kiln tail to soften the rubber pad, so that the air leakage phenomenon occurs between the kiln barrel and the kiln tail, and meanwhile, in the existing kiln tail flue gas hood, the waste heat recovery device is arranged, after a period of use, the waste heat recovery pipe is gradually covered by ash, so that the effect of waste heat recovery of the waste heat recovery pipe is reduced.
Disclosure of Invention
The invention mainly aims to provide a high-temperature-resistant sealing structure for the kiln tail of a lithium ore roasting rotary kiln, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the high-temperature-resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln comprises a kiln cylinder, a kiln tail smoke hood is arranged at the side surface of the kiln cylinder, a sealing mechanism is movably arranged between the kiln cylinder and the kiln tail smoke hood, the sealing mechanism comprises an outer expanding pipe, a sealing ring plate, a static connecting cylinder, a first limiting ring, a second limiting ring, a first sealing ring, a second sealing ring and a pushing ring, the outer expanding pipe is fixedly arranged on the kiln cylinder, the sealing ring plate is fixedly arranged on the sealing ring plate, the static connecting cylinder is movably arranged in the outer expanding pipe, the first limiting ring is fixedly arranged on the static connecting cylinder, the first sealing ring is fixedly arranged on the static connecting cylinder and is positioned at the side surface of the first limiting ring, the second limiting ring is fixedly arranged on the static connecting cylinder and is positioned at the side surface of the first limiting ring, the second sealing ring is movably arranged on the static connecting cylinder, the device is positioned between the first limiting ring and the second limiting ring, the pushing ring is movably arranged on the second limiting ring, the sealing ring plate is positioned between the first limiting ring and the second limiting ring, the outer expanding pipe is fixedly provided with a cooling mechanism, the cooling mechanism comprises a runner, a water supply pipe, a water receiving disc and a water suction pump, the runner is fixedly arranged at the surface position of the outer expanding pipe, the water receiving disc is fixedly arranged at the lower position of the runner, the water suction pump and the water receiving disc are fixedly arranged, the water supply pipe is fixedly arranged at the outlet of the water suction pump, the ash removing mechanism is movably arranged in the kiln tail smoke hood and comprises a waste heat recovery pipe, a scraping plate, a moving plate, a screw and a stepping motor, the waste heat recovery pipe is fixedly arranged in the kiln tail smoke hood, the scraping plate is movably arranged on the waste heat recovery pipe, the movable plate is fixedly arranged at the middle position of the scraping plate, the screw is movably arranged in the movable plate, and the stepping motor is fixedly arranged at one end of the screw.
Preferably, the sealing mechanism further comprises a flange, the flange is fixedly arranged on the static connecting cylinder, and the flange is mutually attached to one side position in the outer expanding pipe.
Preferably, the sealing mechanism further comprises a connecting rod, a connecting pipe, a movable column and a spring, wherein one end of the connecting rod is fixedly arranged on the pushing ring, the movable column is fixedly arranged at the other end of the connecting rod, the connecting rod and the movable column are movably arranged in the connecting pipe, the spring is also movably arranged in the connecting pipe, and the spring is positioned at the side surface of the movable column.
Preferably, the sealing mechanism further comprises a stud and a nut, the stud is fixedly arranged on the connecting pipe, the nut is movably arranged on the stud, through holes are fixedly formed in one ends of the second limiting ring and the second sealing ring, one end of the second sealing ring is fixedly arranged through the stud and the nut, the pushing ring is fixedly arranged at the other end of the second sealing ring, the other end of the second sealing ring is mutually contacted with the sealing ring plate, and the outer side of the first sealing ring is mutually contacted with the inner arm of the outer expanding pipe.
Preferably, the cooling mechanism further comprises a water outlet, the water outlet is fixedly arranged at the upper end of the water supply pipe, and the lower end of the water outlet is positioned in the flow passage.
Preferably, the cooling mechanism further comprises a water suction pipe, the water suction pipe is fixedly arranged at one side of the water receiving disc, and the water suction pipe is fixedly communicated with the water suction pump.
Preferably, the ash removing mechanism further comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is fixedly arranged at one side position of the kiln tail smoke hood, the water outlet pipe is fixedly arranged at the other side position of the kiln tail smoke hood, the waste heat recovery pipe is positioned between the water inlet pipe and the water outlet pipe, and two ends of the waste heat recovery pipe are fixedly arranged with the water inlet pipe and the water outlet pipe respectively.
Preferably, the scraper blade is provided with a through hole at a position corresponding to the waste heat recovery pipe, the scraper blade is movably mounted on the waste heat recovery pipe through the through hole, the scraper blade is also positioned on the water inlet pipe and the water outlet pipe, the movable plate is fixedly provided with a screw hole, and the movable plate is movably mounted with the screw rod through the screw hole.
Preferably, the ash removing mechanism further comprises two bearings and a mounting plate, the screws are movably mounted on two sides of the kiln tail smoke hood through the bearings, the mounting plate is fixedly mounted on the side face of the kiln tail smoke hood, and the stepping motor is fixedly mounted on the mounting plate.
Compared with the prior art, the invention has the following beneficial effects:
through the cooling mechanism, the outer expansion pipe is outwards opened, the middle part of the outer expansion pipe is continuously cooled through the structures such as a runner, a water supply pipe and the like, high temperature is prevented from being transmitted to the sealing ring plate through the outer expansion pipe, and the sealing ring plate is cooled, so that the temperatures of the first sealing ring and the second sealing ring which are in contact with the outer expansion pipe and the sealing ring plate are reduced, the sealing ring is difficult to soften at high temperature, and the sealing ring is more heat-resistant;
through the sealing mechanism, the external expansion pipe and the sealing ring plate are mutually sealed through structures such as a first sealing ring and a second sealing ring, and the second sealing ring and the sealing ring plate are mutually abutted and sealed all the time through the pushing ring, so that the sealing effect of the kiln cylinder and the static connecting cylinder is better;
through the ash removing mechanism, the scraper moves back and forth on the preheating recovery pipe, so that ash on the waste heat recovery pipe is effectively removed, and the ash on the preheating recovery pipe is easier to remove;
through the soot removing mechanism, the soot is removed through the scraping plate, so that the influence of the soot on the waste heat recovery effect of the waste heat recovery pipe is reduced, and the waste heat recovery effect is better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a kiln tail high-temperature-resistant sealing structure of a lithium ore roasting rotary kiln;
FIG. 2 is a schematic cross-sectional structure view of an outer expansion pipe of the kiln tail high-temperature resistant sealing structure of the lithium ore roasting rotary kiln;
FIG. 3 is a schematic structural view of a stationary connecting cylinder of a kiln tail high-temperature-resistant sealing structure of a lithium ore roasting rotary kiln;
FIG. 4 is a schematic structural view of a push ring of the high temperature resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln;
FIG. 5 is a schematic sectional view of a connecting pipe of the high temperature resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln;
FIG. 6 is a schematic structural diagram of a cooling mechanism of the kiln tail high temperature resistant sealing structure of the lithium ore roasting rotary kiln of the invention;
fig. 7 is a schematic structural view of a soot removing mechanism of the high-temperature-resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln.
In the figure: 1. a kiln cylinder; 2. a kiln tail fume hood; 3. a sealing mechanism; 301. an outer expanding pipe; 302. sealing ring plates; 303. a stationary connecting cylinder; 304. a flange; 305. a first restriction ring; 306. a second restriction ring; 307. a first sealing ring; 308. a second sealing ring; 309. pushing the ring; 310. a connecting rod; 311. a connecting pipe; 312. a movable column; 313. a spring; 314. a stud; 315. a nut; 4. a cooling mechanism; 401. a flow passage; 402. a water supply pipe; 403. a water outlet; 404. a water receiving tray; 405. a water pumping pipe; 406. a water pump; 5. a soot removing mechanism; 501. a water inlet pipe; 502. a water outlet pipe; 503. a waste heat recovery pipe; 504. a scraper; 505. a moving plate; 506. a screw; 507. a bearing; 508. a stepping motor; 509. and (3) mounting a plate.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-7, the high temperature resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln comprises a kiln cylinder 1, a kiln tail smoke hood 2 is arranged at the side position of the kiln cylinder 1, a sealing mechanism 3 is movably arranged between the kiln cylinder 1 and the kiln tail smoke hood 2, the sealing mechanism 3 comprises an outer expanding pipe 301, a sealing ring plate 302, a static connecting cylinder 303, a first limiting ring 305, a second limiting ring 306, a first sealing ring 307, a second sealing ring 308 and a pushing ring 309, the outer expanding pipe 301 is fixedly arranged on the kiln cylinder 1, the sealing ring plate 302 is fixedly arranged on the sealing ring plate 302, the static connecting cylinder 303 is movably arranged in the outer expanding pipe 301, the first limiting ring 305 is fixedly arranged on the static connecting cylinder 303, the first sealing ring 307 is fixedly arranged on the static connecting cylinder 303 and is positioned at the side position of the first limiting ring 305, the second limiting ring 306 is fixedly arranged on the static connecting cylinder 303 and is positioned at the side position of the first limiting ring 305, the second sealing ring 308 is movably arranged on the stationary connecting cylinder 303 and is positioned between the first limiting ring 305 and the second limiting ring 306, the pushing ring 309 is movably arranged on the second sealing ring 308, the sealing ring plate 302 is positioned between the first limiting ring 305 and the second limiting ring 306, the cooling mechanism 4 is fixedly arranged on the outer expanding pipe 301, the sealing mechanism 3 also comprises a flange 304, the flange 304 is fixedly arranged on the stationary connecting cylinder 303, the flange 304 is mutually attached to one side position in the outer expanding pipe 301, the sealing mechanism 3 also comprises a connecting rod 310, a connecting pipe 311, a movable column 312 and a spring 313, one end of the connecting rod 310 is fixedly arranged on the pushing ring 309, the movable column 312 is fixedly arranged at the other end of the connecting rod 310, the connecting rod 310 and the movable column 312 are movably arranged in the connecting pipe 311, the spring 313 is movably arranged in the connecting pipe 311 as well, the spring 313 is positioned at the side position of the movable column 312, the sealing mechanism 3 further comprises a stud 314 and a nut 315, the stud 314 is fixedly arranged on the connecting pipe 311, the nut 315 is movably arranged on the stud 314, through holes are fixedly formed in one ends of the second limiting ring 306 and the second sealing ring 308, one end of the second sealing ring 308 is fixedly arranged through the stud 314 and the nut 315, the push ring 309 is fixedly arranged with the other end of the second sealing ring 308, the other end of the second sealing ring 308 is mutually contacted with the sealing ring plate 302, the outer side of the first sealing ring 307 is mutually contacted with the inner arm of the expanding pipe 301, and the sealing ring plate 302 is mutually pressed and contacted to form a seal, so that the second sealing ring 308 and the sealing ring plate 302 are mutually pressed and sealed in the rotating process of the expanding pipe 301, meanwhile, the inner wall of the expanding pipe 301 is sealed through the first sealing ring 307, the kiln tail is sealed through a double-layer sealing structure formed by the first sealing ring 307 and the second sealing ring 308, the sealing effect is better, and the second sealing ring 308 seals the kiln tail 306 and the sealing ring plate 302, so that the inner side of the expanding pipe 301 is sealed, and the outer side of the expanding pipe 301 is kept at a thermal insulation position.
The cooling mechanism 4 comprises a runner 401, a water supply pipe 402, a water receiving disc 404 and a water suction pump 406, the runner 401 is fixedly arranged at the surface position of the external expansion pipe 301, the water receiving disc 404 is fixedly arranged at the lower position of the runner 401, the water suction pump 406 is fixedly arranged with the water receiving disc 404, the water supply pipe 402 is fixedly arranged at the outlet of the water suction pump 406, the cooling mechanism 4 also comprises a water outlet 403, the water outlet 403 is fixedly arranged at the upper end position of the water supply pipe 402, the lower end of the water outlet 403 is positioned in the runner 401, the cooling mechanism 4 also comprises a water suction pipe 405, the water suction pipe 405 is fixedly arranged at one side position of the water receiving disc 404, the water suction pipe 405 is fixedly communicated with the water suction pump 406 mutually, the kiln cylinder 1 is outwards extended by the external expansion pipe 301 to form a structure, the sealing ring plate 302 is arranged at the outer side position, the water receiving ring 307 and the second sealing ring 308 are aligned and sealed by the first sealing ring 307, cooling water is sprayed out of the water outlet 403, and flows downwards by the runner 401 and drops into the water receiving disc 404 below, the first sealing ring 307 is positioned at the inner side position of the runner 401, the temperature on the sealing ring plate 302 is mainly transferred by the kiln cylinder 1 at the high temperature, the cooling water receiving part on the runner 401, the water receiving part is not influenced by the water receiving the high temperature, the sealing ring part and is not influenced by the high temperature of the sealing ring 308, and the sealing ring 308 is simultaneously cooled by the sealing ring and is not contacted with the water cylinder and cooled water cylinder 1, and is simultaneously, and cooled by the sealing ring and has a lower temperature and a lower temperature sealing ring is used.
The ash removing mechanism 5 is movably arranged in the kiln tail hood 2, the ash removing mechanism 5 comprises a waste heat recovery pipe 503, a scraping plate 504, a moving plate 505, a screw 506 and a stepping motor 508, the waste heat recovery pipe 503 is fixedly arranged in the kiln tail hood 2, the scraping plate 504 is movably arranged on the waste heat recovery pipe 503, the moving plate 505 is fixedly arranged at the middle part of the scraping plate 504, the screw 506 is movably arranged in the moving plate 505, the stepping motor 508 is fixedly arranged at one end of the screw 506, the recycling water is used for enabling the heat recovery part in the flue gas to be easily adhered to the waste heat recovery pipe 503 through the water inlet pipe 501, the waste heat recovery pipe 503 and the water outlet pipe 502, but dust in the flue gas is also easy to adhere to the waste heat recovery pipe 503, the screw 506 is enabled to rotate through the starting of the stepping motor 508, the scraping plate 504 is enabled to be pushed by the moving plate 505 to move to the side, the ash on the waste heat recovery pipe 503 is removed through the through holes of the scraping plate 504, the waste heat recovery pipe 503 is enabled to reversely move, the scraping plate 504 is enabled to move back and forth, the ash is removed, the operation is convenient, the waste heat recovery pipe 503 and the waste heat recovery pipe and the flue gas and the waste heat recovery effect of the flue gas are better, the waste heat recovery pipe and the heat recovery effect is better.
The ash removing mechanism 5 further comprises a water inlet pipe 501 and a water outlet pipe 502, the water inlet pipe 501 is fixedly arranged at one side of the kiln tail smoke hood 2, the water outlet pipe 502 is fixedly arranged at the other side of the kiln tail smoke hood 2, the waste heat recovery pipe 503 is arranged between the water inlet pipe 501 and the water outlet pipe 502, two ends of the waste heat recovery pipe 503 are fixedly arranged with the water inlet pipe 501 and the water outlet pipe 502 respectively, a through hole is formed in the position, corresponding to the waste heat recovery pipe 503, of the scraper 504, the scraper 504 is movably arranged on the waste heat recovery pipe 503 through the through hole, the scraper 504 is also arranged on the water inlet pipe 501 and the water outlet pipe 502, screw holes are fixedly formed in the moving plate 505, the moving plate 505 is movably arranged with the screw rods 506 through the screw holes, the ash removing mechanism 5 further comprises bearings 507 and mounting plates 509, the number of the bearings 507 is two, the screw rods 506 are movably arranged on two sides of the kiln tail smoke hood 2 through the bearings 507, the mounting plates 509 are fixedly arranged at the side of the kiln tail smoke hood 2, and the stepping motor 508 is fixedly arranged on the mounting plates 509.
It should be noted that, the invention is a high temperature resistant sealing structure of lithium ore roasting rotary kiln tail, a stationary connecting tube 303 is fixedly installed on a kiln tail fume hood 2, flange 304 on the stationary connecting tube 303 and the inner side position of outer expanding tube 301 on kiln barrel 1 are mutually contacted and installed, so that internal raw materials enter the kiln barrel 1 through flange 304, the outer expanding tube 301 is moved outwards to enlarge the surface area, heat dissipation is facilitated, the outer end of the outer expanding tube 301 is provided with a sealing ring plate 302, sealing ring plate 302 is positioned between a first limiting ring 305 and a second limiting ring 306, a first sealing ring 307 is fixedly installed between the first limiting ring 305 and the second limiting ring 306, the outer side position of the first sealing ring 307 is mutually contacted and sealed with the inner side position of the outer expanding tube 301, the inner side position of the sealing ring plate 302 is mutually sealed with one end position of the second sealing ring 308, the inner side position of the second sealing ring 308 is pushed to the side surface through a pushing ring 309, the other end of the second sealing ring 308 is fixedly installed on the second limiting ring 306 through a plurality of connecting tubes 311 and nuts 315, the other end of the sealing ring 308 is pressed on the second limiting ring 308 through a plurality of connecting rings 311 and nuts 314, the sealing ring 308 is pressed on the inner side of the sealing ring 308 of the second sealing ring 308 is better, and the sealing ring 308 is pressed against the inner side of the sealing ring 308 is pressed by the sealing ring 308, and the sealing ring is better sealing ring 308 is pressed by the sealing ring 308, and the sealing ring is pressed by the sealing ring 308 is better sealing ring 308, and is pressed by the sealing ring 308, and is pressed by the sealing ring 308 on the inner side of sealing ring 308, the space between the outer expanding tube 301 and the stationary connecting tube 303 forms a heat preservation bin due to heat transfer, cooling water in the water receiving disc 404 is pumped out and flows to a water outlet 403 at a position above the water supply tube 402 by a water pump 406, the lower end of the water outlet 403 is positioned in a plurality of flow channels 401, the cooling water flows into the flow channels 401 and downwards flows along the flow channels 401, the outer expanding tube 301 is cooled, high temperature is blocked, the sealing ring plate 302 is heated by the kiln tube 1, the temperature of the sealing ring plate 302 and the outer expanding tube 301 is reduced due to cooling of the cooling water, the temperature of the sealing ring plate 302 and the second sealing ring 308 contacted with the outer expanding tube 301 is reduced, the temperature of the first sealing ring 307 and the second sealing ring 307 is prevented from being reduced, avoid the high temperature to soften sealing washer 307, no. two sealing washer 308, keep sealed effect, be provided with waste heat recovery pipe 503 in kiln tail petticoat pipe 2 and retrieve the temperature in the kiln tail flue gas, but the cigarette ash can solidify gradually on waste heat recovery pipe 503, thereby the heat transfer of retrieving water in temperature in the flue gas and waste heat recovery pipe 503 has been stopped, consequently, through starting step motor 508, make screw 506 rotate, screw 506 can positive and negative rotation, screw hole through in movable plate 505, promote the movable plate 505 back and forth, make scraper blade 504 pass through the through-hole and reciprocate on waste heat recovery pipe 503, thereby get rid of the cigarette ash on the waste heat recovery pipe 503, make the cigarette ash get rid of more easily, waste heat recovery effect of waste heat recovery pipe 503 keeps more good.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a lithium ore roasting rotary kiln tail high temperature resistant seal structure, includes kiln cylinder (1), kiln cylinder (1) side position installs kiln tail petticoat pipe (2), its characterized in that: the kiln cylinder (1) and the kiln tail gas hood (2) are movably provided with a sealing mechanism (3), the sealing mechanism (3) comprises an outer expanding tube (301), a sealing ring plate (302), a stationary connecting cylinder (303), a first limiting ring (305), a second limiting ring (306), a first sealing ring (307), a second sealing ring (308) and a pushing ring (309), the outer expanding tube (301) is fixedly arranged on the kiln cylinder (1), the sealing ring plate (302) is fixedly arranged on the sealing ring plate (302), the stationary connecting cylinder (303) is movably arranged in the outer expanding tube (301), the first limiting ring (305) is fixedly arranged on the stationary connecting cylinder (303), the first limiting ring (307) is fixedly arranged at the side position of the first limiting ring (305), the second limiting ring (306) is fixedly arranged on the stationary connecting cylinder (303) and is positioned at the side position of the first limiting ring (305), the second limiting ring (308) is movably arranged between the first limiting ring (308) and the second limiting ring (308) and the sealing ring (306), the cooling mechanism (4) is fixedly installed on the outer expanding pipe (301), the cooling mechanism (4) comprises a flow channel (401), a water supply pipe (402), a water receiving disc (404) and a water suction pump (406), the flow channel (401) is fixedly installed at the surface position of the outer expanding pipe (301), the water receiving disc (404) is fixedly installed at the lower position of the flow channel (401), the water suction pump (406) is fixedly installed with the water receiving disc (404), the water supply pipe (402) is fixedly installed at the outlet of the water suction pump (406), a soot removing mechanism (5) is movably installed in a kiln tail fume hood (2), the soot removing mechanism (5) comprises a waste heat recovery pipe (503), a scraper (504), a moving plate (505), a screw (506) and a stepping motor (508), the waste heat recovery pipe (503) is fixedly installed in the kiln tail fume hood (2), the scraper (504) is movably installed on the waste heat recovery pipe (503), the moving plate (505) is fixedly installed at the middle position of the scraper (504), and the screw (506) is movably installed at one end of the screw (506).
2. The high-temperature-resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln according to claim 1, which is characterized in that: the sealing mechanism (3) further comprises a flange (304), the flange (304) is fixedly arranged on the static connecting cylinder (303), and the flange (304) is mutually attached to one side position in the outer expanding pipe (301).
3. The high-temperature-resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln according to claim 1, which is characterized in that: the sealing mechanism (3) further comprises a connecting rod (310), a connecting pipe (311), a movable column (312) and a spring (313), one end of the connecting rod (310) is fixedly arranged on the push ring (309), the movable column (312) is fixedly arranged at the other end of the connecting rod (310), the connecting rod (310) and the movable column (312) are movably arranged in the connecting pipe (311), the spring (313) is movably arranged in the connecting pipe (311), and the spring (313) is arranged at the side position of the movable column (312).
4. The high-temperature-resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln according to claim 1, which is characterized in that: sealing mechanism (3) still includes double-screw bolt (314) and nut (315), double-screw bolt (314) fixed mounting is on connecting pipe (311), nut (315) movable mounting is on double-screw bolt (314), all fixed the seting up the through-hole on the one end of No. two restriction rings (306) and No. two sealing washer (308), the one end of No. two sealing washer (308) is through double-screw bolt (314), nut (315) fixed mounting, promote the other end fixed mounting of ring (309) and No. two sealing washer (308), and the other end and the sealing ring board (302) of No. two sealing washer (308) contact each other, the outside of No. one sealing washer (307) and the inner arm of outer expanding pipe (301) contact each other.
5. The high-temperature-resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln according to claim 1, which is characterized in that: the cooling mechanism (4) further comprises a water outlet (403), the water outlet (403) is fixedly arranged at the upper end of the water supply pipe (402), and the lower end of the water outlet (403) is positioned in the flow channel (401).
6. The high-temperature-resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln according to claim 1, which is characterized in that: the cooling mechanism (4) further comprises a water suction pipe (405), the water suction pipe (405) is fixedly arranged at one side of the water receiving disc (404), and the water suction pipe (405) and the water suction pump (406) are fixedly communicated with each other.
7. The high-temperature-resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln according to claim 1, which is characterized in that: the ash removing mechanism (5) further comprises a water inlet pipe (501) and a water outlet pipe (502), the water inlet pipe (501) is fixedly arranged at one side position of the kiln tail smoke hood (2), the water outlet pipe (502) is fixedly arranged at the other side position of the kiln tail smoke hood (2), the waste heat recovery pipe (503) is positioned between the water inlet pipe (501) and the water outlet pipe (502), and two ends of the waste heat recovery pipe (503) are fixedly arranged with the water inlet pipe (501) and the water outlet pipe (502) respectively.
8. The high-temperature-resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln according to claim 1, which is characterized in that: the scraper blade (504) is provided with a through hole at a position corresponding to the waste heat recovery pipe (503), the scraper blade (504) is movably mounted on the waste heat recovery pipe (503) through the through hole, the scraper blade (504) is also positioned on the water inlet pipe (501) and the water outlet pipe (502), a screw hole is fixedly formed in the movable plate (505), and the movable plate (505) is movably mounted with the screw rod (506) through the screw hole.
9. The high-temperature-resistant sealing structure of the kiln tail of the lithium ore roasting rotary kiln according to claim 1, which is characterized in that: the ash removing mechanism (5) further comprises two bearings (507) and mounting plates (509), the number of the bearings (507) is two, the screws (506) are movably mounted on two sides of the kiln tail smoke hood (2) through the bearings (507), the mounting plates (509) are fixedly mounted on the side surfaces of the kiln tail smoke hood (2), and the stepping motor (508) is fixedly mounted on the mounting plates (509).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310256231.8A CN116222203A (en) | 2023-03-16 | 2023-03-16 | High-temperature-resistant sealing structure for kiln tail of lithium ore roasting rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310256231.8A CN116222203A (en) | 2023-03-16 | 2023-03-16 | High-temperature-resistant sealing structure for kiln tail of lithium ore roasting rotary kiln |
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| CN116222203A true CN116222203A (en) | 2023-06-06 |
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| CN202310256231.8A Pending CN116222203A (en) | 2023-03-16 | 2023-03-16 | High-temperature-resistant sealing structure for kiln tail of lithium ore roasting rotary kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116640928A (en) * | 2023-07-27 | 2023-08-25 | 昆明理工大学 | Method for co-treatment of germanium chloride distillation residues and lead-zinc smelting acid wastewater |
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2023
- 2023-03-16 CN CN202310256231.8A patent/CN116222203A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116640928A (en) * | 2023-07-27 | 2023-08-25 | 昆明理工大学 | Method for co-treatment of germanium chloride distillation residues and lead-zinc smelting acid wastewater |
| CN116640928B (en) * | 2023-07-27 | 2023-10-20 | 昆明理工大学 | Method for co-treatment of germanium chloride distillation residues and lead-zinc smelting acid wastewater |
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