CN113996521B - Cleaning device for coal accumulated on screen shaft of roller screen - Google Patents
Cleaning device for coal accumulated on screen shaft of roller screen Download PDFInfo
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- CN113996521B CN113996521B CN202111081464.6A CN202111081464A CN113996521B CN 113996521 B CN113996521 B CN 113996521B CN 202111081464 A CN202111081464 A CN 202111081464A CN 113996521 B CN113996521 B CN 113996521B
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- fixedly connected
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- side plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
- B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
- B07B1/524—Cleaning with brushes or scrapers with brushes the brushes being rotating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a cleaning device for coal on the screen shaft of a roller screen, which comprises the following components: base and roll screen axle, the top fixedly connected with left side board and right side board of base, one side of left side board rotates and is connected with left side axis of rotation, one side of right side board rotates and is connected with right side axis of rotation, the equal fixedly connected with flange of one end of right side axis of rotation and left side axis of rotation, the flange is located the inboard of left side board and right side board, roll screen axle passes through flange fixed connection between right side axis of rotation and left side axis of rotation, roll screen axle's lateral wall fixedly connected with a plurality of roll screen blade rotates and cleans the mechanism for it is located between left side board and the right side board to clean the epaxial roll screen blade both sides of roll screen. According to the invention, the service life of the brush head is prolonged by the cooperation between the rotary cleaning mechanism and the reciprocating oil injection and water spraying mechanism, so that the service life of the device is prolonged, and the waste of water and lubricating oil is reduced.
Description
Technical Field
The invention relates to the technical field of roller screen shafts, in particular to a cleaning device for accumulated coal on a roller screen shaft.
Background
The screen surface of the roller screen consists of a plurality of parallel roller shafts which are provided with screen discs in a staggered manner and are driven by chain wheels or gears, the rotation direction of the roller shafts is the same as the material flow direction, in order to loosen a material layer on the screen so as to facilitate the screen penetration, the shape of the screen discs is eccentric and abnormal, in order to prevent the material from clamping a screen shaft, a safety device is arranged, the roller screen is all seat-type and is divided into left transmission and right transmission, and the roller screen is provided with a travelling wheel and a travelling wheel which are not provided with the travelling wheel and can move on a steel rail, and because the screen shafts are arranged according to different working angles, the speed is higher when the material runs at a position with a higher working angle; when the material runs at a position with a lower working angle, the speed is more gentle, and the materials running at two different speeds start to do axial movement when meeting at a certain position of the screen surface, so that the materials are uniformly distributed on the screen surface, and the aim of improving the screening efficiency is fulfilled.
The long-time use of roller screen axle can make the both sides adhesion of roller screen blade a lot of dust, so the staff can regularly dismantle the roller screen axle and clean roller screen axle blade with cleaning device, and current cleaning device cleans with the brush, and long-time rotation cleans, can reduce the life of brush, reduces cleaning device's life, reduces the effect of cleaning roller screen axle blade, and for this reason, proposes a roller screen axle area coal cleaning device.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a cleaning device for the axial coal of a roller screen.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a roller screen shaft area coal cleaning device, comprising:
the rotary screen comprises a base and a roller screen shaft, wherein the top of the base is fixedly connected with a left side plate and a right side plate, one side of the left side plate is rotationally connected with a left side rotating shaft, one side of the right side plate is rotationally connected with a right side rotating shaft, one ends of the right side rotating shaft and the left side rotating shaft are fixedly connected with flanges, the flanges are positioned on the inner sides of the left side plate and the right side plate, the roller screen shaft is fixedly connected between the right side rotating shaft and the left side rotating shaft through the flanges, and the outer side wall of the roller screen shaft is fixedly connected with a plurality of roller screen blades;
the rotary cleaning mechanism is used for cleaning the two sides of the rolling screen blade on the rolling screen shaft and is positioned between the left side plate and the right side plate;
the reciprocating oil spraying and water spraying mechanism is used for spraying the two sides of the rolling screen blade on the rolling screen shaft, and is positioned on one side of the left side plate.
Preferably, the rotary cleaning mechanism comprises a motor case and a driving motor, wherein the output end of the driving motor is fixedly connected with a first rotating shaft, the first rotating shaft extends to the other side of the right side plate, the first rotating shaft is far away from a first gear which is fixedly connected with the outer side wall of one end of the driving motor, the right rotating shaft is far away from a second gear which is fixedly connected with the outer side wall of one end of the flange, the outer side wall of the first rotating shaft is fixedly connected with a plurality of rotating sleeves, and a plurality of hairbrush heads and water spray heads are fixedly connected with the two sides of the rotating sleeves.
Preferably, the reciprocating oil spraying and water spraying mechanism comprises a fixed plate, one side of the fixed plate is rotationally connected with a second rotating shaft, the outer side wall of the second rotating shaft is fixedly connected with a round gear, one end of the second rotating shaft, which is far away from the fixed plate, is fixedly connected with a gear block, one end outer side wall of the left rotating shaft, which is far away from the flange, is fixedly connected with a gear disc, one side of the fixed plate, which is located on the second rotating shaft, is provided with a connecting groove, a spring rod is fixedly connected in the connecting groove, the outer side wall of the spring rod is slidingly connected with a first push rod, an oil storage plate is fixedly connected between the left side plate and the right side plate, one side of the left side plate is fixedly connected with a telescopic spring, one end of the telescopic spring, which is far away from the left side plate, is fixedly connected with a second push rod, one side of the base is fixedly connected with a fixed rod, the top of the fixed rod is fixedly connected with a water storage plate, one end of the water storage plate is fixedly connected with a water inlet pipe, and one side of the oil storage plate, which is close to the rolling shaft, is fixedly connected with a plurality of oil spraying heads.
Preferably, one end of the oil storage plate extends to the outer side of the left side plate, the first push rod is in sliding connection with the oil storage plate, a plurality of tooth blocks are fixedly connected to the bottoms of the first push rod and the tops of the second push rod, and through holes are formed in the oil storage plate and the water storage plate.
Preferably, the water spraying head is located between the two brush heads, a plurality of water spraying holes are formed in one end of the water spraying head, connecting holes are formed in the rotating sleeve, and the rotating sleeve is communicated with the inside of the first rotating shaft through the connecting holes.
Preferably, the left side plate and the right side plate are respectively provided with a first rotating groove, and the first rotating shaft is rotationally connected with the left side plate and the right side plate through the first rotating grooves.
Preferably, the outer side wall of the first rotating shaft is rotationally connected with a rotating block, one end of the water inlet pipe is connected to the water storage plate, the other end of the water inlet pipe is connected to the rotating block, a connecting port is formed in the rotating block, and the rotating block is communicated with the inside of the first rotating shaft through the connecting port.
Preferably, the oil spray heads are positioned at two sides of the rolling screen blade, and oil spray holes are formed at two sides of the oil spray heads.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the roller screen shaft coal cleaning device, through the action of the rotary cleaning mechanism, after the roller screen shaft is installed, the driving motor is turned on, the driving motor drives the first rotary shaft and the rotary sleeve to rotate, the first rotary shaft rotates to drive the roller screen shaft to rotate by utilizing the cooperation between the first gear and the second gear, and through the arrangement, the rotary sleeve is driven to rotate when the first rotary shaft rotates, so that the brush head rotates to wipe the two sides of the roller screen blade, the cleaning effect is improved, and the service life of the roller screen blade is prolonged.
2. According to the roller screen shaft coal cleaning device, through the action of the reciprocating oil spraying and water spraying mechanism, when the roller screen shaft rotates, the left rotating shaft and the gear disc are driven to rotate, the second rotating shaft and the circular gear are driven to rotate through the action of the second push rod, the first push rod and the second push rod do reciprocating motion through the rotation of the circular gear, oil and water are sprayed to the two sides of the roller screen blade in a reciprocating mode, the cleaning effect is further improved, oil is sprayed to the roller screen blade, friction force between the brush head and the two sides of the roller screen blade is reduced, the service life of the brush head is prolonged, the service life of the device is further prolonged, and meanwhile waste of the water and the lubricating oil is reduced.
Drawings
FIG. 1 is a schematic diagram of a device for cleaning the axial coal of a roller screen according to the present invention;
FIG. 2 is a top view of a roller screen axial coal cleaning apparatus according to the present invention;
FIG. 3 is a top cross-sectional view of a roller screen axial coal cleaning apparatus in accordance with the present invention;
FIG. 4 is a side view of a roller screen axial coal cleaning apparatus in accordance with the present invention;
FIG. 5 is an enlarged view at A of FIG. 1;
FIG. 6 is a schematic view of the structure of the rotating sleeve;
FIG. 7 is an enlarged view at C of FIG. 2;
fig. 8 is an enlarged view at B of fig. 4.
In the figure: 1 base, 2 left side board, 3 right side board, 4 motor case, 401 driving motor, 402 first axis of rotation, 403 first gear, 404 second gear, 405 rotating sleeve, 406 brush head, 407 sprinkler head, 5 right side axis of rotation, 6 left side axis of rotation, 7 roller screen axle, 8 fixed plate, 801 second axis of rotation, 802 round gear, 803 gear block, 804 gear disk, 805 spring bar, 806 first push rod, 807 oil storage plate, 808 water storage plate, 809 inlet tube, 8010 oil injection head, 8011 second push rod, 8012 telescopic spring, 9 flange.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
A roller screen shaft area coal cleaning device, comprising:
as shown in fig. 1 and 5, a base 1 and a roller screen shaft 7 are fixedly connected with a left side plate 2 and a right side plate 3 at the top of the base 1, a left side rotating shaft 6 is rotatably connected to one side of the left side plate 2, a right side rotating shaft 5 is rotatably connected to one side of the right side plate 3, flanges 9 are fixedly connected to one ends of the right side rotating shaft 5 and the left side rotating shaft 6, the flanges 9 are positioned on the inner sides of the left side plate 2 and the right side plate 3, the roller screen shaft 7 is fixedly connected between the right side rotating shaft 5 and the left side rotating shaft 6 through the flanges 9, and a plurality of roller screen blades are fixedly connected to the outer side wall of the roller screen shaft 7;
as shown in fig. 1, fig. 2, fig. 3 and fig. 6, the rotary cleaning mechanism is used for cleaning two sides of a rolling screen blade on the rolling screen shaft 7 and is positioned between the left side plate 2 and the right side plate 3, the rotary cleaning mechanism comprises a motor case 4 and a driving motor 401, the output end of the driving motor 401 is fixedly connected with a first rotary shaft 402, the left side plate 2 and the right side plate 3 are respectively provided with a first rotary groove, the first rotary shaft 402 is rotationally connected with the left side plate 2 and the right side plate 3 through the first rotary grooves, the first rotary shaft 402 extends to the other side of the right side plate 3, the outer side wall of one end of the first rotary shaft 402, which is far away from the driving motor 401, is fixedly connected with a first gear 403, the outer side wall of one end of the right side rotary shaft 5, which is far away from the flange 9, is fixedly connected with a second gear 404, the outer side wall of the first rotary shaft 402 is fixedly connected with a plurality of rotary sleeves 405, the rotary sleeves 405 are fixedly connected with connecting holes, the rotary sleeves 405 are communicated with the inner parts of the first rotary shaft 402, two sides of the plurality of brush heads 406 and the water spraying heads are fixedly connected with the water spraying heads, the water spraying heads 407 are positioned between the two brush heads 406, and one end 407 is provided with one end of the water spraying holes 407;
the roller screen shaft 7 is fixedly arranged between the right rotating shaft 5 and the left rotating shaft 6 through the flange 9, after the roller screen shaft 7 is fixedly arranged, the driving motor 401 is turned on, the driving motor 401 rotates to drive the first rotating shaft 402 to rotate, the first rotating shaft 402 drives the right rotating shaft 5 to rotate through the cooperation between the first gear 403 and the second gear 404, when the right rotating shaft 5 rotates, the left rotating shaft 6 is driven to rotate with the roller screen shaft 7, and when the first rotating shaft 402 rotates, the rotating sleeve 405 is driven to rotate, so that the brush head 406 rotates to clean two sides of the roller screen blade, and the arrangement is required to ensure that the brush head 406 rotates to wipe two sides of the roller screen blade, thereby improving the cleaning effect and prolonging the service life of the roller screen blade;
as shown in fig. 1, fig. 2, fig. 4, fig. 5, fig. 7 and fig. 8, the reciprocating oil spraying and water spraying mechanism for spraying two sides of the rolling screen blade on the rolling screen shaft 7 is located at one side of the left side plate 2, the reciprocating oil spraying and water spraying mechanism comprises a fixed plate 8, one side of the fixed plate 8 is rotationally connected with a second rotating shaft 801, the outer side wall of the second rotating shaft 801 is fixedly connected with a circular gear 802, one end of the second rotating shaft 801 away from the fixed plate 8 is fixedly connected with a gear block 803, one end outer side wall of the left side rotating shaft 6 away from the flange 9 is fixedly connected with a gear disc 804, one side of the fixed plate 8 located at the second rotating shaft 801 is provided with a connecting groove, a spring rod 805 is fixedly connected in the connecting groove, the outer side wall of the spring rod 805 is slidingly connected with a first push rod 806, an oil storage plate 807 is fixedly connected between the left side plate 2 and the right side plate 3, one end of the oil storage plate 807 extends to the outer side of the left side plate 2, the first push rod 806 is slidingly connected with the oil storage plate 807, one side of the left side plate 2 is fixedly connected with a telescopic spring 8012, one end of the telescopic spring 8012 away from the left side plate 2 is fixedly connected with a second push rod 8011, one side of the base 1 is fixedly connected with a fixed rod, the top of the fixed rod is fixedly connected with a water storage plate 808, the bottom of the first push rod 806 and the top of the second push rod 8011 are fixedly connected with a plurality of tooth blocks, through holes are respectively arranged on the oil storage plate 807 and the water storage plate 808, when oil and water in the oil storage plate 807 and the water storage plate 808 run out, the oil and water are added through the through holes, one end of the water storage plate 808 is fixedly connected with a water inlet pipe 809, the outer side wall of the first rotating shaft 402 is rotationally connected with a rotating block, one end of the water inlet pipe 809 is connected with the water storage plate 808, the other end of the water inlet pipe 809 is connected with the rotating block, a connecting port is arranged on the rotating block, the rotating block is communicated with the inside of the first rotating shaft 402 through a connecting port, one side of the oil storage plate 807, which is close to the rolling screen shaft 7, is fixedly connected with a plurality of oil injection heads 8010, the oil injection heads 8010 are positioned at two sides of the rolling screen blades, and oil injection holes are formed at two sides of the oil injection heads 8010;
when the left rotary shaft 6 rotates, the gear disk 804 and the second push rod 8011 are matched, the second rotary shaft 801 is driven to rotate, the round gear 802 is driven to rotate when the second rotary shaft 801 rotates, when the gear on the round gear 802 rotates to the top, the first push rod 806 presses the oil storage plate 807 according to the action of the spring rod 805, oil in the oil storage plate 807 is sprayed to two sides of the rolling screen blade through the oil spraying head 8010, when the gear on the round gear 802 rotates to the bottom, the second push rod 8011 presses the water storage plate 808 according to the action of the top tooth block of the second push rod 8011, water in the water storage plate 808 flows into the first rotary shaft 402 through the water inlet pipe 809, and water is sprayed to the rolling screen blade from the water spraying head 8010 by centrifugal force due to the rotation factor of the first rotary shaft 402.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. A roller screen shaft area coal cleaning device, comprising:
the rotary screen comprises a base (1) and a roller screen shaft (7), wherein the top of the base (1) is fixedly connected with a left side plate (2) and a right side plate (3), one side of the left side plate (2) is rotationally connected with a left side rotating shaft (6), one side of the right side plate (3) is rotationally connected with a right side rotating shaft (5), one ends of the right side rotating shaft (5) and the left side rotating shaft (6) are fixedly connected with flanges (9), the flanges (9) are positioned on the inner sides of the left side plate (2) and the right side plate (3), the roller screen shaft (7) is fixedly connected between the right side rotating shaft (5) and the left side rotating shaft (6) through the flanges (9), and the outer side wall of the roller screen shaft (7) is fixedly connected with a plurality of roller screen blades; the rotary cleaning mechanism is used for cleaning the two sides of the rolling screen blade on the rolling screen shaft (7), and is positioned between the left side plate (2) and the right side plate (3); the reciprocating oil spraying and water spraying mechanism is used for spraying the two sides of the rolling screen blade on the rolling screen shaft (7), and is positioned at one side of the left side plate (2);
the reciprocating oil spraying and water spraying mechanism comprises a fixed plate (8), one side of the fixed plate (8) is rotationally connected with a second rotating shaft (801), the outer side wall of the second rotating shaft (801) is fixedly connected with a circular gear (802), one end of the second rotating shaft (801) away from the fixed plate (8) is fixedly connected with a gear block (803), one end outer side wall of the left rotating shaft (6) away from a flange (9) is fixedly connected with a gear disc (804), the fixed plate (8) is positioned on one side of the second rotating shaft (801) and provided with a connecting groove, a spring rod (805) is fixedly connected in the connecting groove, the outer side wall of the spring rod (805) is slidably connected with a first push rod (806), one side of the left side plate (2) and the right side plate (3) is fixedly connected with a telescopic spring (8012), one end of the telescopic spring (8012) away from the left side plate (8012) is fixedly connected with a second push rod (8011), one side of the base (1) is fixedly connected with a spring rod (805), one end of the water storage rod (808) is fixedly connected with the water storage plate (808), and one side of the oil storage plate (807) close to the roller screen shaft (7) is fixedly connected with a plurality of oil injection heads (8010).
2. The roller screen shaft coal cleaning device according to claim 1, wherein the rotary cleaning mechanism comprises a motor case (4) and a driving motor (401), the output end of the driving motor (401) is fixedly connected with a first rotating shaft (402), the first rotating shaft (402) extends to the other side of the right side plate (3), the outer side wall of one end of the first rotating shaft (402), far away from the driving motor (401), is fixedly connected with a first gear (403), the outer side wall of one end of the right rotating shaft (5), far away from the flange (9), is fixedly connected with a second gear (404), the outer side wall of the first rotating shaft (402) is fixedly connected with a plurality of rotating sleeves (405), and two sides of the plurality of rotating sleeves (405) are fixedly connected with a plurality of brush heads (406) and water spraying heads (407).
3. The roller screen shaft coal cleaning device according to claim 1, wherein one end of the oil storage plate (807) extends to the outer side of the left side plate (2), the first push rod (806) is slidably connected with the oil storage plate (807), a plurality of tooth blocks are fixedly connected to the bottoms of the first push rod (806) and the tops of the second push rod (8011), and through holes are formed in the oil storage plate (807) and the water storage plate (808).
4. A roller screen axial coal cleaning device according to claim 2, wherein the water spraying head (407) is located between two brush heads (406), one end of the water spraying head (407) is provided with a plurality of water spraying holes, the rotating sleeve (405) is provided with connecting holes, and the rotating sleeve (405) is communicated with the interior of the first rotating shaft (402) through the connecting holes.
5. The roller screen shaft coal cleaning device according to claim 2, wherein the left side plate (2) and the right side plate (3) are provided with first rotating grooves, and the first rotating shaft (402) is rotationally connected with the left side plate (2) and the right side plate (3) through the first rotating grooves.
6. The roller screen shaft coal cleaning device according to claim 2, wherein a rotating block is rotatably connected to the outer side wall of the first rotating shaft (402), one end of the water inlet pipe (809) is connected to the water storage plate (808), the other end of the water inlet pipe (809) is connected to the rotating block, a connecting port is formed in the rotating block, and the rotating block is communicated with the inside of the first rotating shaft (402) through the connecting port.
7. The roller screen axial coal cleaning device according to claim 1, wherein the oil injection heads (8010) are located at two sides of the roller screen blade, and oil injection holes are formed at two sides of the oil injection heads (8010).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111081464.6A CN113996521B (en) | 2021-09-15 | 2021-09-15 | Cleaning device for coal accumulated on screen shaft of roller screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111081464.6A CN113996521B (en) | 2021-09-15 | 2021-09-15 | Cleaning device for coal accumulated on screen shaft of roller screen |
Publications (2)
| Publication Number | Publication Date |
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| CN113996521A CN113996521A (en) | 2022-02-01 |
| CN113996521B true CN113996521B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111081464.6A Active CN113996521B (en) | 2021-09-15 | 2021-09-15 | Cleaning device for coal accumulated on screen shaft of roller screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117654869A (en) * | 2022-08-31 | 2024-03-08 | 安阳市恒威石化设备有限责任公司 | Staggered mutual-impact type self-cleaning screening device |
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| CN113996521A (en) | 2022-02-01 |
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