CN112495957B - Scale layer cleaning device for cement production equipment - Google Patents
Scale layer cleaning device for cement production equipment Download PDFInfo
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- CN112495957B CN112495957B CN202011237907.1A CN202011237907A CN112495957B CN 112495957 B CN112495957 B CN 112495957B CN 202011237907 A CN202011237907 A CN 202011237907A CN 112495957 B CN112495957 B CN 112495957B
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- component
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- production equipment
- cement production
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/047—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a scale layer cleaning device for cement production equipment, and relates to the technical field of cement production equipment. According to the invention, through the arrangement of the handle, the ultrasonic box, the ultrasonic generator and the filter basket, the inner wall of the pipe fitting is removed through the scraping of the scraper and cleaned by the cleaning strip, then the pipe fitting is taken down, then the ultrasonic box is pulled out of the device main body through the handle, then the filter basket is placed in the ultrasonic box and fixed through the fixture block, then the pipe fitting is placed in the ultrasonic box and the filter basket, the operation of the ultrasonic generator is controlled, so that the pipe fitting is vibrated, the attached cement block is completely separated from the pipe fitting, and the problem of poor cleaning effect of the cleaning equipment on the pipe fitting is effectively solved.
Description
Technical Field
The invention relates to the technical field of cement production equipment, in particular to a scale layer cleaning device of cement production equipment.
Background
Along with the maximization of cement production scale, the scale development, novel dry process cement production line has occupied considerable proportion in the cement industry of our country, in cement production, on the inner wall of some equipment such as material conveying pipeline, easily form the inside cement crust of cement crust pay-off pipeline and lead to the operating efficiency of equipment to descend on the one hand, the operation energy consumption increases, on the other hand also easily leads to the equipment inner chamber narrow and small, influence the transport capacity of material, cause the pipeline to block up the phenomenon even when serious, seriously influence the smooth development of cement production work, need often wash the cement pay-off pipe.
The cleaning equipment of present cement conveying pipe can only carry out simple washing to the pipe fitting, can't be stained with the cement piece that attaches on the pipe fitting inner wall and clear up completely for belt cleaning device is poor to pipe fitting cleaning effect, and in the cleaning process, can produce a large amount of dusts, and the dust flies in a confused state of mind and can cause respiratory infection to the staff.
Disclosure of Invention
The invention aims to: in order to solve the problems of poor pipe cleaning effect and dust treatment in the cleaning process of cleaning equipment, the scale layer cleaning device for the cement production equipment is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a scale layer cleaning device of cement production equipment comprises a device main body, wherein a transmission component is arranged at the top end of the device main body, and the top end of the device main body is provided with a supporting component at one side of the transmission component, the inside of the device main body is provided with a vibration component, the transmission assembly is provided with an adjusting assembly, the outer side of the adjusting assembly is provided with a scraping assembly, and the adjusting component is provided with a telescopic rod, the inner side of the telescopic rod is provided with a connecting rod, the outer wall of the connecting rod is provided with a movable ring, a dust removal component is arranged on one side of the supporting component far away from the transmission component, a second supporting seat is arranged on the dust removal component, a dust collector is arranged at the inner side of the second supporting seat, a suction pipe is arranged at one side of the dust collector, the vibration assembly is provided with an ultrasonic box, and an ultrasonic generator is arranged in the ultrasonic box.
Preferably, be provided with first supporting seat on the transmission assembly, the motor is installed to the inboard of first supporting seat, the output of motor is provided with the gear, and the motor passes through mount pad fixed connection with first supporting seat, the outside of gear is provided with the chain.
Preferably, the inboard of activity ring is connected with clean strip, clean strip's quantity is a plurality of, the telescopic link passes through slider and spout expansion and contraction joint.
Preferably, the scraping assembly is provided with a fixing sleeve, the inner side of the fixing sleeve is provided with an adjusting rod, the inner side of the adjusting rod is provided with an adjusting hole, one end of the adjusting rod is provided with a scraping plate, the inner side of the adjusting hole is provided with a fixing bolt, and the fixing sleeve is fixedly connected with the adjusting rod through the adjusting hole and the fixing bolt.
Preferably, the support assembly is provided with a support arc plate, the bottom end of the support arc plate is provided with two support rods, and the bottom end of each support arc plate is provided with a spring.
Preferably, a dust hood is arranged on one side of the suction pipe, a collecting box is arranged at the bottom end of the dust collector, a sliding groove is formed in the bottom end of the second supporting seat, which is located on the inner side of the device main body, and the second supporting seat is in sliding connection with the sliding groove through a pulley.
Preferably, one end of the ultrasonic box is provided with a handle, the inner side of the ultrasonic box is provided with a filtering basket, the top end of the filtering basket is provided with a clamping block, and the filtering basket is fixedly connected with the ultrasonic box through the clamping block.
Preferably, the cleaning strip is rotatably connected with the connecting rod through a movable ring, and the telescopic rod is rotatably connected with the gear through a rotating shaft.
Preferably, the dust collector is fixedly connected with the second supporting seat through a mounting frame, the dust collector is fixedly connected with the collecting box through a connecting pipe, and a supporting plate is arranged at the bottom end of the collecting box.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the handle, the ultrasonic box, the ultrasonic generator and the filter basket, the inner wall of the pipe fitting is removed through the scraping of the scraper and cleaned by the cleaning strip, then the pipe fitting is taken down, then the ultrasonic box is pulled out of the device main body through the handle, then the filter basket is placed in the ultrasonic box and fixed through the fixture block, then the pipe fitting is placed in the ultrasonic box and the filter basket, the operation of the ultrasonic generator is controlled, so that the pipe fitting is vibrated, the attached cement block is completely separated from the pipe fitting, and the problem of poor cleaning effect of the cleaning equipment on the pipe fitting is effectively solved.
2. According to the invention, the second supporting seat is pushed by the dust collector, the suction pipe, the dust hood, the second supporting seat and the collecting box, so that the dust hood can move and be adjusted in the sliding groove through the pulley at the bottom end, the dust hood is attached to the pipe orifice at the other side of the pipe fitting, after the position is adjusted, the operation of the dust collector is controlled, the dust collector generates suction force, the dust generated by shoveling the pipe fitting is absorbed through the suction pipe and the dust hood, and the dust absorbed through the connecting pipe is sucked into the collecting box, so that the problem of dust treatment in the cleaning process is effectively solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a flight of the present invention;
FIG. 4 is a diagram of the ultrasonic box of the present invention;
FIG. 5 is an enlarged view of A of FIG. 2 in accordance with the present invention;
FIG. 6 is a schematic view of the chute of the present invention;
fig. 7 is a schematic view of a cleaning strip of the present invention.
In the figure: 1. a device main body; 2. a transmission assembly; 201. a first support base; 202. a motor; 203. a gear; 204. a chain; 3. an adjustment assembly; 301. a telescopic rod; 302. a connecting rod; 303. a movable ring; 304. a cleaning strip; 4. a scraping assembly; 401. fixing the sleeve; 402. adjusting a rod; 403. an adjustment hole; 404. fixing the bolt; 405. a squeegee; 5. a support assembly; 501. supporting the arc plate; 502. a support bar; 503. a spring; 6. a dust removal assembly; 601. a second support seat; 602. a vacuum cleaner; 603. a straw; 604. a dust hood; 605. a collection box; 606. a chute; 7. a vibration assembly; 701. an ultrasonic box; 702. an ultrasonic generator; 703. a handle; 704. a filter basket; 705. and (7) clamping blocks.
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.
Referring to fig. 1-7, a cleaning device for scale layer of cement production equipment comprises a device body 1, a transmission component 2 is arranged at the top end of the device body 1, a support component 5 is arranged at one side of the transmission component 2 at the top end of the device body 1, a vibration component 7 is arranged inside the device body 1, an adjusting component 3 is arranged on the transmission component 2, a scraping component 4 is arranged outside the adjusting component 3, a telescopic rod 301 is arranged on the adjusting component 3, a connecting rod 302 is arranged inside the telescopic rod 301, a movable ring 303 is arranged on the outer wall of the connecting rod 302, a dust removing component 6 is arranged at one side of the support component 5 far away from the transmission component 2, a second 601 supporting seat is arranged on the dust removing component 6, a dust collector 602 is arranged inside the second supporting seat 601, a suction pipe 603 is arranged at one side of the dust collector 602, and an ultrasonic box 701 is arranged on the vibration component 7, an ultrasonic generator 702 is provided inside the ultrasonic tank 701.
Please refer to fig. 1, fig. 2 and fig. 5, the transmission assembly 2 is provided with a first supporting seat 201, a motor 202 is installed inside the first supporting seat 201, an output end of the motor 202 is provided with a gear 203, the motor 202 and the first supporting seat 201 are fixedly connected through the installing seat, and an outer side of the gear 203 is provided with a chain 204.
According to the invention, the first supporting seat 201 fixes the motor 202, and the motor 202 operates, so that the motor 202 drives the rotating shaft to rotate through the two gears 203 and the chain 204.
Please refer to fig. 1, fig. 2 and fig. 7, the inner side of the movable ring 303 is connected with a plurality of cleaning strips 304, and the telescopic rod 301 is telescopically connected with the sliding groove through a sliding block.
According to the pipe fitting cleaning device, the length of the telescopic rod 301 is adjusted according to the length of the pipe fitting, the telescopic rod 301 is pulled to drive the connecting rod 302, the scraper plate 405 and the like to penetrate into the pipe fitting, the telescopic rod 301 is driven to rotate when the rotating shaft rotates, the connecting rod 302 is driven to rotate when the telescopic rod 301 rotates, and the cleaning strip 304 is driven to rotate outwards through the movable ring 303 when the connecting rod 302 rotates, so that the cleaning strip 304 cleans the inner wall of the pipe fitting.
Referring to fig. 1 and 3, a fixing sleeve 401 is disposed on the scraping assembly 4, an adjusting rod 402 is disposed inside the fixing sleeve 401, an adjusting hole 403 is disposed inside the adjusting rod 402, a scraping plate 405 is disposed at one end of the adjusting rod 402, a fixing bolt 404 is disposed inside the adjusting hole 403, and the fixing sleeve 401 and the adjusting rod 402 are fixedly connected through the adjusting hole 403 and the fixing bolt 404.
According to the pipe fitting adjusting device, the distance between the scrapers 405 is adjusted according to the diameter of the pipe fitting, the adjusting rod 402 is pulled to move and adjust in the fixing sleeve 401, after adjustment, the fixing bolt 404 is inserted into the fixing sleeve 401 and the adjusting hole 403 in the adjusting rod 402, the adjusting rod 402 is fixed, and therefore the distance adjustment of the scrapers 405 is completed.
Please refer to fig. 1 and fig. 2, the supporting component 5 is provided with supporting arc plates 501, the bottom ends of the supporting arc plates 501 are provided with supporting rods 502, the number of the supporting arc plates 501 is two, and the bottom ends of the supporting rods 502 are provided with springs 503.
According to the invention, the cement conveying pipe is placed on the two supporting arc plates 501, and the supporting rods 502 support the supporting arc plates 501 through the springs 503, so that the pipe fittings can be cleaned conveniently.
Referring to fig. 1, 2 and 6, a dust hood 604 is disposed on one side of the suction pipe 603, a collection box 605 is disposed at the bottom end of the dust collector 602, a sliding groove 606 is disposed at the bottom end of the second support base 601 on the inner side of the main body 1, and the second support base 601 is slidably connected to the sliding groove 606 via a pulley.
According to the invention, the second supporting seat 601 is pushed according to the length of the pipe fitting, so that the pulley at the bottom end moves and adjusts in the sliding groove 606, the dust hood 604 is attached to the pipe orifice at the other side of the pipe fitting, after the position is adjusted, the operation of the dust collector 602 is controlled, the dust collector generates suction force, the dust generated by shoveling the pipe fitting is absorbed through the suction pipe 603 and the dust hood 604, and the dust absorbed through the connecting pipe is absorbed into the collecting box 605.
Please refer to fig. 1, fig. 2 and fig. 4, a handle 703 is disposed at one end of the ultrasonic box 701, a filter basket 704 is disposed inside the ultrasonic box 701, a clamping block 705 is disposed at a top end of the filter basket 704, and the filter basket 704 is fixedly connected to the ultrasonic box 701 through the clamping block 705.
According to the invention, the ultrasonic box 701 is pulled out from the device main body 1 through the pull handle 703, then the filter basket 704 is placed in the ultrasonic box 701 and is fixed through the fixture block 705, then the removed cement pipe fitting is placed in the ultrasonic box 701 and the filter basket 704, and the operation of the ultrasonic generator 702 is controlled to vibrate the pipe fitting, so that the attached cement block is separated from the pipe fitting.
Referring to fig. 1, 2 and 7, the cleaning strip 304 is rotatably connected to the connecting rod 302 via the movable ring 303, and the telescopic rod 301 is rotatably connected to the gear 203 via the rotating shaft.
In the invention, when the connecting rod 302 rotates, the movable ring 303 drives the cleaning strip 304 to rotate, so that the inner wall of the removed pipe fitting is cleaned, and the motor 202 drives the rotating shaft to rotate through the two gears 203 and the chain 204.
Please refer to fig. 1, fig. 2 and fig. 6, the dust collector 602 is fixedly connected to the second supporting base 601 through a mounting bracket, the dust collector 602 is fixedly connected to the collecting box 605 through a connecting pipe, and a supporting plate is disposed at the bottom end of the collecting box 605.
In the invention, a dust collector 602 is fixed on a second supporting seat 601, a collecting box 605 is fixed below the dust collector 602, and the supporting plate supports and fixes the collecting box 605.
The working principle is as follows: when the invention is used, a cement conveying pipe is placed on two supporting arc plates 501, a supporting rod 502 supports the supporting arc plates 501 through a spring 503, the distance between scrapers 405 is adjusted according to the diameter of a pipe, an adjusting rod 402 is pulled to move and adjust in a fixed sleeve 401, after adjustment, a fixed bolt 404 is inserted into adjusting holes 403 on the fixed sleeve 401 and the adjusting rod 402, the adjusting rod 402 is fixed, so that the distance between the scrapers 405 is adjusted, the length of a telescopic rod 301 is adjusted according to the length of the pipe, the telescopic rod 301 is pulled to drive the connecting rod 302, the scrapers 405 and the like to go deep into the pipe, the telescopic rod 301 and the connecting rod 302 are driven to rotate when a rotating shaft rotates, when the connecting rod 302 rotates, the cleaning strip 304 is driven to rotate outwards through a movable ring 303, and the scrapers 405 are also driven to rotate, so that the scrapers 405 firstly scrape cement blocks adhered to the inner wall of the pipe, then cleaning the inner wall of the pipe fitting by the cleaning strip 304, pushing the second support base 601 at the same time, moving and adjusting in the chute 606 by the pulley at the bottom end, attaching the dust hood 604 to the pipe orifice at the other side of the pipe fitting, adjusting the position, controlling the operation of the dust collector 602 to generate suction force to absorb dust generated by shoveling the pipe fitting through the suction pipe 603 and the dust hood 604, sucking the dust absorbed through the connecting pipe into the collection box 605, after the pipe fitting is cleaned for the first time, taking down, pulling the ultrasonic box 701 out of the device main body 1 through the pull handle 703, then placing the filter basket 704 into the ultrasonic box 701, fixing the pipe fitting through the fixture block 705, then placing the pipe fitting into the ultrasonic box 701 and the filter basket 704, and controlling the operation of the ultrasonic generator 702 to vibrate the pipe fitting, thereby completely separating the attached cement block from the pipe fitting.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a cement manufacture equipment dirt layer cleaning device, includes device main part (1), its characterized in that: the device is characterized in that a transmission component (2) is arranged at the top end of the device main body (1), a supporting component (5) is arranged on one side, located on the transmission component (2), of the top end of the device main body (1), a vibration component (7) is arranged inside the device main body (1), an adjusting component (3) is arranged on the transmission component (2), a scraping component (4) is arranged on the outer side of the adjusting component (3), a telescopic rod (301) is arranged on the adjusting component (3), a connecting rod (302) is arranged on the inner side of the telescopic rod (301), a movable ring (303) is arranged on the outer wall of the connecting rod (302), a dust removing component (6) is arranged on one side, away from the transmission component (2), of the supporting component (5), a second supporting seat (601) is arranged on the dust removing component (6), and a dust collector (602) is arranged on the inner side of the second supporting seat (601), a suction pipe (603) is arranged on one side of the dust collector (602), an ultrasonic box (701) is arranged on the vibration assembly (7), and an ultrasonic generator (702) is arranged in the ultrasonic box (701).
2. The scale cleaning apparatus for cement production equipment according to claim 1, wherein: be provided with first supporting seat (201) on transmission component (2), motor (202) are installed to the inboard of first supporting seat (201), the output of motor (202) is provided with gear (203), and motor (202) and first supporting seat (201) pass through mount pad fixed connection, the outside of gear (203) is provided with chain (204).
3. The scale cleaning apparatus for cement production equipment according to claim 1, wherein: the inboard of activity ring (303) is connected with clean strip (304), the quantity of clean strip (304) is a plurality of, telescopic link (301) are through slider and spout expansion and contraction joint.
4. The scale cleaning apparatus for cement production equipment according to claim 1, wherein: the scraping component (4) is provided with a fixing sleeve (401), the inner side of the fixing sleeve (401) is provided with an adjusting rod (402), the inner side of the adjusting rod (402) is provided with an adjusting hole (403), one end of the adjusting rod (402) is provided with a scraping plate (405), the inner side of the adjusting hole (403) is provided with a fixing bolt (404), and the fixing sleeve (401) and the adjusting rod (402) are fixedly connected through the adjusting hole (403) and the fixing bolt (404).
5. The scale cleaning apparatus for cement production equipment according to claim 1, wherein: the supporting component (5) is provided with supporting arc plates (501), the bottom ends of the supporting arc plates (501) are provided with supporting rods (502), the number of the supporting arc plates (501) is two, and the bottom ends of the supporting rods (502) are provided with springs (503).
6. The scale cleaning apparatus for cement production equipment according to claim 1, wherein: a dust hood (604) is arranged on one side of the suction pipe (603), a collecting box (605) is arranged at the bottom end of the dust collector (602), a sliding groove (606) is arranged on the inner side, located on the device main body (1), of the bottom end of the second supporting seat (601), and the second supporting seat (601) is connected with the sliding groove (606) in a sliding mode through a pulley.
7. The scale cleaning apparatus for cement production equipment according to claim 1, wherein: one end of the ultrasonic box (701) is provided with a handle (703), the inner side of the ultrasonic box (701) is provided with a filtering basket (704), the top end of the filtering basket (704) is provided with a clamping block (705), and the filtering basket (704) is fixedly connected with the ultrasonic box (701) through the clamping block (705).
8. The apparatus for cleaning scale layer of cement production equipment according to claim 3, wherein: the cleaning strip (304) is rotatably connected with the connecting rod (302) through the movable ring (303), and the telescopic rod (301) is rotatably connected with the gear (203) through a rotating shaft.
9. The apparatus for cleaning scale layer of cement production equipment according to claim 6, wherein: the dust collector (602) is fixedly connected with the second supporting seat (601) through a mounting frame, the dust collector (602) is fixedly connected with the collecting box (605) through a connecting pipe, and a supporting plate is arranged at the bottom end of the collecting box (605).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011237907.1A CN112495957B (en) | 2020-11-09 | 2020-11-09 | Scale layer cleaning device for cement production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011237907.1A CN112495957B (en) | 2020-11-09 | 2020-11-09 | Scale layer cleaning device for cement production equipment |
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| Publication Number | Publication Date |
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| CN112495957A CN112495957A (en) | 2021-03-16 |
| CN112495957B true CN112495957B (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011237907.1A Active CN112495957B (en) | 2020-11-09 | 2020-11-09 | Scale layer cleaning device for cement production equipment |
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| CN (1) | CN112495957B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000042823A (en) * | 1998-12-28 | 2000-07-15 | 백수곤 | Apparatus for cleaning tube, having nozzles and brushes rotating spontaneously |
| US6519803B2 (en) * | 2001-07-06 | 2003-02-18 | Thomas J. Keller | Chimney vacuum system |
| JP5728756B2 (en) * | 2011-04-12 | 2015-06-03 | 新科産業有限会社 | Ultrasonic cleaning equipment |
| CN204429800U (en) * | 2015-02-04 | 2015-07-01 | 吴鹏 | A kind of oil pipeline apparatus for eliminating sludge |
| CN204523691U (en) * | 2015-04-08 | 2015-08-05 | 梅县梅雁旋窑水泥有限公司 | A kind of cement producing line skinning cleaning plant |
| CN206262934U (en) * | 2016-11-09 | 2017-06-20 | 西南石油大学 | A kind of apparatus for eliminating sludge in pipe for petroleum machinery |
| CN210816358U (en) * | 2019-08-22 | 2020-06-23 | 河南永安水泥有限责任公司 | Cement manufacture line crust cleaning device |
| CN110743868B (en) * | 2019-10-23 | 2022-09-13 | 合肥水泥研究设计院有限公司 | Scale layer cleaning device for cement production equipment |
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2020
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| CN112495957A (en) | 2021-03-16 |
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Denomination of invention: A scale layer cleaning device for cement production equipment Effective date of registration: 20221021 Granted publication date: 20220301 Pledgee: Jiujiang Bank Co.,Ltd. Lianhua Sub branch Pledgor: Pingxiang Changsheng Cement Plant Co.,Ltd. Registration number: Y2022980019319 |
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