CN114955275B - Raw coal bin wall covering coal dredging device - Google Patents
Raw coal bin wall covering coal dredging device Download PDFInfo
- Publication number
- CN114955275B CN114955275B CN202210556863.1A CN202210556863A CN114955275B CN 114955275 B CN114955275 B CN 114955275B CN 202210556863 A CN202210556863 A CN 202210556863A CN 114955275 B CN114955275 B CN 114955275B
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- Prior art keywords
- coal
- servo motor
- raw coal
- output shaft
- constraint
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/68—Large containers characterised by means facilitating filling or emptying preventing bridge formation using rotating devices
-
- 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
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/70—Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/0093—Devices for cleaning the internal surfaces of the container and forming part of the container
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The application discloses a coal dredging device for a raw coal bin wall, which relates to the technical field of coal bin dredging devices, and particularly relates to a coal dredging device for a raw coal bin wall. According to the application, the constraint wheel can rotate by starting the third servo motor, so that the constraint wheel bundles the high-pressure fan, and then the first mounting frame is turned over, so that the first mounting frame and the hydraulic machine are kept vertical, the hydraulic machine is in a vertical state when a crushing cutter is not used, the first mounting frame and the second mounting frame are prevented from influencing feeding during feeding, and the feeding process is smoother.
Description
Technical Field
The application relates to the technical field of raw coal bin dredging devices, in particular to a raw coal bin wall covering coal dredging device.
Background
The raw coal bin is a device for storing granular materials such as raw coal and coal slime in a coal-fired power plant, and mainly has the advantages that coal in a coal yard is conveyed to the raw coal bin through a belt to be stored, fuel is provided for a boiler in real time to ensure the combustion requirement of the boiler, the influence of the proportion of water and coal slime on the coal is caused in actual production, the bin wall of the raw coal bin is frequently subjected to coal hanging and covering coal phenomena, only one hole is formed in the center of the raw coal bin in serious time, particularly in a thermal power plant of a direct-fired pulverizing system, once covering coal and coal blockage are caused in the raw coal bin, a unit can be forced to drop out to run under load, or the boiler combustion instability needs to be fed with oil to support combustion, the safety and economic benefits of the unit are seriously influenced, the coal blockage is usually caused by adopting a manual cleaning mode, namely personnel enters the bin to knock the shell of the raw coal bin by using tools, so that the coal adhered to the inner wall of the raw coal bin falls down, the effect of the raw coal bin is quite small due to the fact that the shell of the raw coal bin is made of metal, the covering coal is not ideal, and even if the knocking mode is low in efficiency, the coal bin is large in the coal bin is easy to drop down, the coal bin is required to be broken down, and the coal is still required to be discharged from the coal bin wall of the coal bin under large pressure to be broken, and the condition is easy to be broken, and the coal is required to be broken by the coal bin to work is required to be broken.
Disclosure of Invention
In view of the above problems, the application provides a coal dredging device for a raw coal bunker wall, so as to improve the above problems.
In order to achieve the above purpose, the application is realized by the following technical scheme: the coal covering and dredging device for the wall of the raw coal bunker comprises the raw coal bunker, a mounting groove is formed in the upper surface of the raw coal bunker, a hydraulic press is fixedly mounted in the mounting groove formed in the upper surface of the raw coal bunker, a turnover frame is movably mounted on the lower side of an output shaft of the hydraulic press, a first mounting frame is fixedly mounted at the other end of the turnover frame, a first servo motor is fixedly mounted on the back surface of the first mounting frame, a bidirectional screw rod is fixedly sleeved on an output shaft of the first servo motor, screw sleeves are respectively and fixedly connected with front and rear sides of the outer surface of the bidirectional screw rod, connecting rods are fixedly mounted on the left side and the right side of the screw sleeves, a second mounting frame is fixedly mounted at the other end of the connecting rods, a crushing cutter is fixedly sleeved on the left surface of the second mounting frame, a scraping plate is fixedly sleeved on the output shaft of the second servo motor, a scraping plate is positioned between the second servo motor, a lifting ring is fixedly mounted on the upper surface of the second mounting frame, a constraint rope is fixedly sleeved in an inner cavity of the lifting ring, a limiting block is fixedly mounted on the other end of the constraint rope, a limiting block is fixedly mounted on the right side of the inner wall of the air duct, a limiting block is fixedly mounted on the other end of the air duct, and the other end of the air guide shaft is fixedly mounted on the front surface of the air guide bin, and the other end of the limiting block is fixedly mounted on the other end of the air guide shaft, the air blowing port is formed in the rear side of the upper surface of the air guide pipe, the diameter of the second limiting block is larger than that of the supporting column, the limiting springs are fixedly connected with the balancing weights, the width of the balancing weights is matched with the width of the inner cavity of the air guide pipe, the balancing weights are made of aluminum alloy, the air blowing port is located in the rear side of the balancing weights, and the length of the limiting springs is larger than that of the balancing weights.
Optionally, the upper surface and the lower surface of swivel nut are all fixed mounting has first stopper, the spout with first stopper looks adaptation is seted up to the inboard of first mounting bracket.
Optionally, a hanging ring is also installed on the side surface of the output shaft of the hydraulic machine, the constraint rope is positioned in an inner cavity of the hanging ring on the hydraulic machine, and the hanging ring on the side surface of the output shaft of the hydraulic machine is positioned on the lower side of the output shaft of the hydraulic machine.
Optionally, the restraining groove is formed in the outer surface of the restraining wheel, and the restraining rope is located in the restraining groove formed in the outer surface of the restraining wheel.
The coal dredging device for the raw coal bin wall canopy provided by the application has the following beneficial effects:
1. according to the application, the hydraulic press is started to drive the first mounting frame to lift so as to dredge different positions of the inner cavity of the raw coal bin, the first servo motor is started to enable the bidirectional screw rod to rotate, so that the screw sleeve moves forwards and backwards, different widths of inner walls of the raw coal bin at different heights are adapted to the screw sleeve, the flexibility of the device is greatly improved, the crushing cutter can be rotated by starting the second servo motor, so that coal adhered to the inner walls of the raw coal bin is crushed and separated, the coal is scraped and dredged by the scraping plate, and the problem that a coal outlet is blocked due to the fact that the volume is still large after the coal is scraped can be avoided.
2. According to the application, the constraint wheel can rotate by starting the third servo motor, so that the constraint wheel bundles the high-pressure fan, and then the first mounting frame is turned over, so that the first mounting frame and the hydraulic machine are kept vertical, the hydraulic machine is in a vertical state when a crushing cutter is not used, the first mounting frame and the second mounting frame are prevented from influencing feeding during feeding, and the feeding process is smoother.
3. According to the application, the wind pressure in the inner cavity of the air guide pipe can be increased by starting the high-pressure fan, the balancing weight can be driven when the wind pressure in the inner cavity of the air guide pipe is large enough, the balancing weight can squeeze the limit spring at the moment, so that the limit spring is compressed and deformed, the balancing weight can move, when the balancing weight moves to the rear side of the air blowing opening, strong wind can go out of the air blowing opening at the moment, the coal outlet is dredged, and when the wind pressure in the inner cavity of the air guide pipe is reduced, the balancing weight can be reset due to the elastic force generated by elastic deformation recovery of the limit spring at the moment, the air blowing opening can be shielded when the balancing weight is reset, and coal dust can be prevented from entering the inner cavity of the air guide pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic side view of the present application;
FIG. 2 shows a schematic diagram of the internal three-dimensional structure of the raw coal bunker of the application;
FIG. 3 shows a schematic perspective view of the restraining rope of the present application;
FIG. 4 shows a schematic view of a three-dimensional exploded view of the screed of the present application;
FIG. 5 shows a schematic view of a three-dimensional exploded structure of the first mount of the present application;
FIG. 6 is a schematic diagram showing the internal three-dimensional structure of the air guide pipe of the application;
fig. 7 shows a schematic perspective view of the counterweight of the application.
In the figure: 1. raw coal bin; 2. a hydraulic press; 3. a roll-over stand; 4. a first mounting frame; 5. a first servo motor; 6. a bidirectional screw rod; 7. a screw sleeve; 8. a first limiting block; 9. a connecting rod; 10. a second mounting frame; 11. a second servo motor; 12. a crushing knife; 13. a scraper; 14. a hanging ring; 15. a restraint rope; 16. a fixing plate; 17. a third servo motor; 18. a constraining wheel; 19. a high-pressure fan; 20. an air guide pipe; 21. a support column; 22. a second limiting block; 23. a limit spring; 24. balancing weight; 25. and (5) blowing an air port.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1 to 7, the present application provides the following technical solutions: the coal covering and dredging device for the wall of the raw coal bin comprises a raw coal bin 1, wherein an installation groove is formed in the upper surface of the raw coal bin 1, a hydraulic machine 2 is fixedly installed in the installation groove formed in the upper surface of the raw coal bin 1, a roll-over stand 3 is movably installed on the lower side of an output shaft of the hydraulic machine 2, the inner side of the roll-over stand 3 is in a hollow state, the roll-over stand 3 can be attached to the output shaft of the hydraulic machine 2 when a first installation frame 4 is turned over, the first installation frame 4 is prevented from being blocked by the roll-over stand 3 in the turning over process, a first installation frame 4 is fixedly installed at the other end of the roll-over stand 3, a first servo motor 5 is fixedly installed at the back surface of the first installation frame 4, a bidirectional screw rod 6 is fixedly sleeved on the output shaft of the first servo motor 5, screw sleeves 7 are connected to the front side and the back side of the outer surface of the bidirectional screw rod 6 in a threaded manner, a first limiting block 8 is fixedly installed on the upper surface and the lower surface of the screw sleeve 7, the inner side of the first mounting frame 4 is provided with a chute matched with the first limiting block 8, the first limiting block 8 is utilized to limit the screw sleeve 7, so that the screw sleeve 7 is smoother in the driving process, the phenomenon that the screw sleeve 7 overturns in the driving process is avoided, the connecting rods 9 are fixedly arranged at the left side and the right side of the screw sleeve 7, the other ends of the connecting rods 9 are fixedly provided with the second mounting frame 10, the left surface of the second mounting frame 10 is fixedly provided with the second servo motor 11, the output shaft of the second servo motor 11 is fixedly sleeved with the crushing knife 12, the crushing knife 12 is utilized to break and crush tightly agglomerated coal, the volume of the coal is reduced, the coal is convenient to be removed from a coal outlet, the coal tightly adhered to the inner wall of the raw coal bin 1 can be scraped through the scraping plate 13, the coal is prevented from remaining on the inner wall of the raw coal bin 1, the output shaft of the second servo motor 11 is fixedly sleeved with the scraping plate 13, the scraper 13 is positioned between the second servo motor 11 and the second servo motor 11, the lifting ring 14 is fixedly arranged on the upper surface of the second mounting frame 10, the lifting ring 14 is also arranged on the side surface of the output shaft of the hydraulic machine 2, the constraint rope 15 is positioned in the inner cavity of the lifting ring 14 on the hydraulic machine 2, the constraint rope 15 can be limited by the lifting ring 14, the constraint rope 15 is prevented from being wound on the outer surface of the connecting rod 9, the lifting ring 14 on the side surface of the output shaft of the hydraulic machine 2 is positioned at the lower side of the output shaft of the hydraulic machine 2, the output shaft of the hydraulic machine 2 can be prevented from being blocked by the lifting ring 14 when being contracted, the constraint rope 15 is fixedly arranged in the inner cavity of the lifting ring 14, the second mounting frame 10 can be pulled by the constraint rope 15, thereby the states of the first mounting frame 4 and the second mounting frame 10 are changed, the operation is simple, the convenience in use is improved, the constraint wheel 18 is arranged at the other end of the constraint rope 15, the outer surface of the constraint wheel 18 is provided with a constraint groove, the constraint rope 15 is positioned in the constraint groove provided on the outer surface of the constraint wheel 18, enough contraction space can be provided for the constraint rope 15, the upper surface of the raw coal bin 1 is fixedly provided with a fixed plate 16, the right surface of the fixed plate 16 is fixedly provided with a third servo motor 17, the constraint wheel 18 is fixedly sleeved on the output shaft of the third servo motor 17, the front surface of the raw coal bin 1 is fixedly provided with a high-pressure fan 19, the back surface of the high-pressure fan 19 is provided with an air guide pipe 20, the left side and the right side of the inner wall of the other end of the air guide pipe 20 are fixedly provided with support columns 21, the limit spring 23 can be supported by the support columns 21, the limit spring 23 is prevented from being bent to cause the breakage when compression deformation occurs, the other end of the support columns 21 is fixedly provided with a second limit block 22, the diameter of the second limit block 22 is larger than the diameter of the support columns 21, utilize second stopper 22 can carry out spacingly to balancing weight 24, avoid balancing weight 24 to break away from the surface of support column 21, fixed connection is in the same place between spacing spring 23 and the balancing weight 24, the width of balancing weight 24 and the width looks adaptation of guide duct 20 inner chamber, can make balancing weight 24 at the smooth removal of surface of support column 21, avoid balancing weight 24 to appear the upset phenomenon in the removal process, balancing weight 24 is made by aluminum alloy, can make balancing weight 24 possess sufficient weight, can guarantee when balancing weight 24 removes wind pressure in the guide duct 20 inner chamber is big enough, the blast gate 25 is in balancing weight 24's rear side, spacing spring 23's length is greater than balancing weight 24's length, can make blast gate 25 can abundant show, the surface of support column 21 is provided with spacing spring 23, the surface movable mounting of support column 21 has balancing weight 24, the blast gate 25 has been seted up to the rear side of guide duct 20 upper surface.
In summary, according to the raw coal bin wall covering coal dredging device provided by the application, when the raw coal bin wall covering coal dredging device is used, a user needs to determine the position of coal blockage at first. Then the hydraulic press 2 is started, the hydraulic press 2 drives the first mounting frame 4 to lift to the coal plugging position, then the first servo motor 5 is started, the first servo motor 5 drives the bidirectional screw rod 6 to rotate, so that the screw sleeve 7 moves forwards and backwards, different widths of the inner walls of the raw coal bin 1 at different heights are adapted, then the second servo motor 11 is started, the crushing cutter 12 rotates, the crushing cutter 12 is used for crushing and separating coal adhered to the inner walls of the raw coal bin 1, the scraping plate 13 is used for scraping and dredging the coal, when the viscosity of the raw coal bin 1 is overlarge, the coal outlet is still blocked by the caking under huge pressure, at the moment, the high-pressure fan 19 is required to be started to increase the wind pressure in the inner cavity of the air guide pipe 20, the balancing weight 24 is driven when the wind pressure in the inner cavity of the air guide pipe 20 is enough, at the moment, the balancing weight 24 can squeeze the limiting spring 23, the limiting spring 23 is enabled to be compressed and deformed, so that the balancing weight 24 moves, when the balancing weight 24 moves to the rear side of the air blowing opening 25, strong wind can be discharged from the air blowing opening 25 at the moment to dredge the coal outlet, when the wind pressure in the inner cavity of the air guide pipe 20 is reduced, the balancing weight 24 can be reset due to the elastic force generated by elastic deformation recovery of the limiting spring 23, the air blowing opening 25 can be shielded when the balancing weight 24 resets, coal dust can be prevented from entering the inner cavity of the air guide pipe 20, the third servo motor 17 is required to be started to enable the constraint wheel 18 to rotate after dredging operation is finished, the constraint wheel 18 is utilized to retract the high-pressure fan 19, then the first mounting frame 4 is enabled to overturn, the first mounting frame 4 is enabled to be vertical to the hydraulic machine 2, the hydraulic machine 2 can be in a vertical state when the crushing cutter 12 is not used, the first installation frame 4 and the second installation frame 10 are prevented from influencing the feeding during the feeding, and the feeding is finished.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (4)
1. The utility model provides a raw coal bunker wall covering coal pull throughs, includes raw coal bunker (1), its characterized in that: the utility model discloses a hydraulic machine, including former coal bunker (1), hydraulic machine (2), roll-over stand (3) are installed to the upper surface of former coal bunker (1), fixed mounting has in the mounting groove that former coal bunker (1) upper surface was seted up in fixed mounting, the downside movable mounting of hydraulic machine (2) output shaft has roll-over stand (3), the other end fixed mounting of roll-over stand (3) has first mounting bracket (4), the back fixed mounting of first mounting bracket (4) has first servo motor (5), fixed sleeve has two-way lead screw (6) on the output shaft of first servo motor (5), the front and back both sides of two-way lead screw (6) surface all threaded connection has swivel nut (7), the left and right sides of swivel nut (7) all fixed mounting has connecting rod (9), the other end fixed mounting of connecting rod (9) has second mounting bracket (10), the left surface fixed mounting of second mounting bracket (10) has second servo motor (11), fixed sleeve has smashing sword (12) on the output shaft of second servo motor (11), fixed sleeve has scraper blade (13) on the output shaft of second servo motor (11), scraper blade (13) are in fixed ring (14) between fixed surface mounting bracket (14), the other end of the constraint rope (15) is provided with a constraint wheel (18), the upper surface of the raw coal bin (1) is fixedly provided with a fixed plate (16), the right surface of the fixed plate (16) is fixedly provided with a third servo motor (17), the constraint wheel (18) is fixedly sleeved on an output shaft of the third servo motor (17), the front surface of the raw coal bin (1) is fixedly provided with a high-pressure fan (19), the back surface of the high-pressure fan (19) is provided with an air guide pipe (20), the left side and the right side of the inner wall of the other end of the air guide pipe (20) are fixedly provided with support columns (21), the other end of the support columns (21) is fixedly provided with a second limiting block (22), the outer surface of the support columns (21) is provided with a limiting spring (23), the outer surface of the support columns (21) is movably provided with a balancing weight (24), the rear side of the upper surface of the air guide pipe (20) is provided with an air blowing port (25), the diameter of the second limiting block (22) is larger than the diameter of the support columns (21), the limiting spring (23) is fixedly connected with the balancing weight (24) at the left side and the right side of the inner wall of the air guide pipe (24) with the balancing weight (24) and the air guide pipe is provided with the air blowing port (24) and the width of the balancing weight (24) is matched with the air outlet (24) and is made of the air outlet (24), the length of the limiting spring (23) is greater than that of the balancing weight (24).
2. The raw coal bunker wall covering coal pull throughs of claim 1, wherein: the upper surface and the lower surface of swivel nut (7) are all fixed mounting has first stopper (8), the spout with first stopper (8) looks adaptation is seted up to the inboard of first mounting bracket (4).
3. The raw coal bunker wall covering coal pull throughs of claim 1, wherein: the side of the output shaft of the hydraulic machine (2) is also provided with a hanging ring (14), the constraint rope (15) is positioned in the inner cavity of the hanging ring (14) on the hydraulic machine (2), and the hanging ring (14) on the side of the output shaft of the hydraulic machine (2) is positioned at the lower side of the output shaft of the hydraulic machine (2).
4. The raw coal bunker wall covering coal pull throughs of claim 1, wherein: the outer surface of the constraint wheel (18) is provided with a constraint groove, and the constraint rope (15) is positioned in the constraint groove formed in the outer surface of the constraint wheel (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210556863.1A CN114955275B (en) | 2022-05-19 | 2022-05-19 | Raw coal bin wall covering coal dredging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210556863.1A CN114955275B (en) | 2022-05-19 | 2022-05-19 | Raw coal bin wall covering coal dredging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114955275A CN114955275A (en) | 2022-08-30 |
| CN114955275B true CN114955275B (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210556863.1A Active CN114955275B (en) | 2022-05-19 | 2022-05-19 | Raw coal bin wall covering coal dredging device |
Country Status (1)
| Country | Link |
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| CN (1) | CN114955275B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0019389A1 (en) * | 1979-05-09 | 1980-11-26 | Foster Wheeler Power Products Limited | Vertical pyrolysing furnace, more particularly for tyre pieces |
| CN2192406Y (en) * | 1994-03-12 | 1995-03-22 | 孟蓬强 | Dirty eliminating dredge apparatus for pipeline |
| KR101036740B1 (en) * | 2010-04-12 | 2011-05-24 | 이명부 | Dredging apparatus for connection pipe of sewage an drain receptacle and method for the same |
| CN102910387A (en) * | 2012-11-12 | 2013-02-06 | 北京东方东楼电力科技有限公司 | Raw coal bunker loosening and dredging device |
| CN112208956A (en) * | 2020-10-26 | 2021-01-12 | 长春工程学院 | Automatic cleaning anti-blocking device for coal dropping pipe |
| CN213975431U (en) * | 2020-12-14 | 2021-08-17 | 无锡锡科四创自动化科技有限公司 | Feed bin suitable for superfine powder |
| CN113443288A (en) * | 2021-07-28 | 2021-09-28 | 金晶 | Metal mineral loading and transporting equipment for mining |
| CN215945548U (en) * | 2021-09-14 | 2022-03-04 | 内蒙古京泰发电有限责任公司 | Raw coal bunker with anti-blocking device |
-
2022
- 2022-05-19 CN CN202210556863.1A patent/CN114955275B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0019389A1 (en) * | 1979-05-09 | 1980-11-26 | Foster Wheeler Power Products Limited | Vertical pyrolysing furnace, more particularly for tyre pieces |
| CN2192406Y (en) * | 1994-03-12 | 1995-03-22 | 孟蓬强 | Dirty eliminating dredge apparatus for pipeline |
| KR101036740B1 (en) * | 2010-04-12 | 2011-05-24 | 이명부 | Dredging apparatus for connection pipe of sewage an drain receptacle and method for the same |
| CN102910387A (en) * | 2012-11-12 | 2013-02-06 | 北京东方东楼电力科技有限公司 | Raw coal bunker loosening and dredging device |
| CN112208956A (en) * | 2020-10-26 | 2021-01-12 | 长春工程学院 | Automatic cleaning anti-blocking device for coal dropping pipe |
| CN213975431U (en) * | 2020-12-14 | 2021-08-17 | 无锡锡科四创自动化科技有限公司 | Feed bin suitable for superfine powder |
| CN113443288A (en) * | 2021-07-28 | 2021-09-28 | 金晶 | Metal mineral loading and transporting equipment for mining |
| CN215945548U (en) * | 2021-09-14 | 2022-03-04 | 内蒙古京泰发电有限责任公司 | Raw coal bunker with anti-blocking device |
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| Publication number | Publication date |
|---|---|
| CN114955275A (en) | 2022-08-30 |
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