CN217698449U - Cleaning device for filter - Google Patents
Cleaning device for filter Download PDFInfo
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- CN217698449U CN217698449U CN202220923979.XU CN202220923979U CN217698449U CN 217698449 U CN217698449 U CN 217698449U CN 202220923979 U CN202220923979 U CN 202220923979U CN 217698449 U CN217698449 U CN 217698449U
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Abstract
The utility model provides a cleaning device for a filter, which belongs to the technical field of filter cleaning equipment and comprises a blanking pipe, a scraping plate and a pushing driving piece; one end of the blanking pipe is suitable for being connected to the bottom of the filter main body and is communicated with a preset hole in the bottom of the filter main body; the other end is suitable for extending downwards; a valve is arranged on the blanking pipe; the scraping plate is suitable for being arranged in the filter main body and is suitable for crossing the filter screen, and the scraping plate is provided with a scraping side which is in contact with the surface of the filter screen; the scraping plate has the freedom degree of sliding from one side of the filter screen to the other side of the filter screen; the pushing driving piece is suitable for being fixed on the outer peripheral wall of the filter main body; the pushing driving piece is provided with a pushing end connected with the scraping plate, and the pushing end penetrates through and is sealed on the peripheral wall of the filter main body; through the cooperation of blanking pipe, scraping the flitch and pushing away the driving piece, can clear up the debris of diapire in the filter main part, be convenient for improve cleaning efficiency.
Description
Technical Field
The utility model belongs to the technical field of filter cleaning equipment, concretely relates to a cleaning device for filter.
Background
When coal dust is injected into a blast furnace, a coal dust filter is usually installed at the outlet of an injection tank in order to reduce the occurrence of the condition that the nozzle is blocked by the coal dust. In daily injection operation, the filter needs to be cleaned regularly, and continuous and stable coal injection can be ensured. The pulverized coal filter comprises a filter main body, a filter screen and a gland which are arranged in the filter main body; the top of the filter main body is provided with an opening communicated with the inner cavity, and the filter screen can be inserted into the filter main body from the opening position; the gland covers the opening, and the gland is fixed on the filter main body through a bolt.
When the filter is cleaned, a pressing cover above the filter main body needs to be opened, and then sundries in the filter main body are taken out; however, since the opening of the filter main body is narrow, the impurities in the filter main body are not easy to be taken out from the opening when the impurities are small, and the cleaning is laborious.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a cleaning device for filter aims at solving the difficult technical problem who clears up of filter among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme:
there is provided a cleaning device for a filter, comprising:
one end of the blanking pipe is suitable for being connected to the bottom of the filter main body and is communicated with a preset hole in the bottom of the filter main body; the other end is suitable for extending downwards; a valve is arranged on the blanking pipe;
the scraping plate is suitable for being arranged in the filter main body and is suitable for crossing the filter screen, and the scraping plate is provided with a scraping side which is contacted with the surface of the filter screen; the scraping plate has the freedom degree of sliding from one side of the filter screen to the other side of the filter screen; and
the pushing driving piece is suitable for being fixed on the outer peripheral wall of the filter main body; the pushing driving piece is provided with a pushing end connected with the scraping plate, and the pushing end penetrates through and is sealed on the peripheral wall of the filter main body;
the scraper is characterized in that the scraper side is provided with a material cleaning mechanism which is suitable for sliding from one end to the other end of the scraper, and the material cleaning mechanism is used for scraping materials away from the scraper side.
In a possible implementation manner, an accommodating cavity is formed in the scraping plate, and through holes communicated with the accommodating cavity are formed in both ends of the scraping plate; be equipped with the T shape spout that extends towards its both ends on the periphery wall of scraping the flitch, clear material mechanism includes:
the material cleaning plate is arranged on the outer peripheral wall of the scraping plate and is abutted against the scraping side; a T-shaped sliding block which is suitable for being in sliding fit with the T-shaped sliding groove is fixedly arranged on the cleaning plate;
the rotating roller is spanned and rotatably arranged in the accommodating cavity;
a connecting rope wound around the outer circumferential wall of the rotating roller; one end of the connecting rope penetrates through the through hole at one end of the scraping plate and is fixedly connected with the material cleaning plate; the other end of the connecting rope penetrates through the through hole at the other end of the scraper plate and is suitable for being fixed on the inner wall surface of the filter main body; wherein the connecting rope is in a tensioned state; and
and the first elastic piece is arranged in the T-shaped sliding groove, and two ends of the elastic piece are respectively connected with the material cleaning plate and the material scraping plate.
In some embodiments, a rotating shaft of the rotating roller is sleeved with a rotating elastic member, and two ends of the rotating elastic member are respectively connected with the rotating roller and the scraper plate.
In some embodiments, the through holes at both ends of the scraping plate are rotatably provided with guide wheels, and both ends of the connecting rope are respectively rotatably matched with the guide wheels at the corresponding through holes.
In a possible implementation manner, a T-shaped chute extending towards two ends of the scraping plate is arranged on the outer peripheral wall of the scraping plate, and the material cleaning mechanism includes:
the material cleaning plate is arranged on the outer peripheral wall of the scraping plate and is abutted against the scraping side; a T-shaped sliding block which is suitable for being in sliding fit with the T-shaped sliding groove is fixedly arranged on the material cleaning plate;
the pushing cylinder is suitable for being fixed at the top or the bottom of the filter main body; a piston rod of the pushing cylinder penetrates through the filter main body and is suitable for abutting against the cleaning plate; and
the second elastic piece is arranged in the T-shaped sliding groove, and two ends of the second elastic piece are respectively connected with the material cleaning plate and the material scraping plate;
and a piston rod of the pushing cylinder is suitable for overcoming the elasticity of the second elastic piece so as to push the cleaning plate.
In some embodiments, an elastic pad is disposed at a connection position of the material cleaning plate and the piston rod, and the elastic pad is fixed on the material cleaning plate or fixed at the pushing end of the piston rod.
In some embodiments, one side of the material cleaning plate abuts against the material scraping side, and the other side of the material cleaning plate is adapted to extend obliquely to the bottom of the filter body.
In one possible implementation, the cleaning device further includes:
one end of the air pipe is positioned in the blanking pipe and extends upwards into the filter main body; the other end of the air pipe is a bent end and extends out of the blanking pipe in the radial direction of the blanking pipe; the outer end of the air pipe is suitable for being communicated with an air source; wherein the diameter of the air pipe is smaller than that of the blanking pipe; and
the conical shell is connected with the inner side end of the air pipe through a connecting piece; the diameter of the opening end of the conical shell is larger than that of the inner side end of the air pipe, and an air outlet gap is formed between the opening end of the conical shell and the inner side end of the air pipe.
In the embodiment of the application, when the filter needs to be cleaned, the valve on the blanking pipe is opened, and the filtered dust in the filter can be discharged from the blanking pipe. The scraping plate can be driven to slide from one end of the filter screen to the other end through the pushing driving piece, and then sundries are scraped away from the filter screen. Sundries scraped from the filter screen can be discharged from the blanking pipe, so that dust in the filter main body can be cleaned conveniently. The material cleaning mechanism on the scraping plate can scrape materials on the scraping plate, and the scraping performance of the scraping plate is convenient to improve.
The utility model provides a pair of a cleaning device for filter compares with prior art, through blanking pipe, scrape the flitch and push away the cooperation of driving piece, can clear up the debris of diapire in the filter main part, is convenient for improve cleaning efficiency.
Drawings
Fig. 1 is a schematic view of a cleaning device for a filter according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a cleaning device for a filter according to an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of the portion B of FIG. 2;
fig. 5 is a schematic view of a material cleaning plate part of a cleaning device for a filter according to an embodiment of the present invention;
fig. 6 is a schematic view of a rotating roller part of a cleaning device for a filter according to an embodiment of the present invention.
Description of reference numerals: 1. a blanking pipe; 2. a scraping plate; 21. scraping the material side; 22. an accommodating chamber; 23. a T-shaped chute; 3. pushing the driving piece; 4. a filter main body; 41. a support plate; 42. a gland; 5. filtering with a screen; 6. a material clearing mechanism; 61. a material cleaning plate; 611. a T-shaped slider; 62. a rotating roller; 63. connecting ropes; 64. a spring; 65. a pushing cylinder; 7. an air tube; 8. a conical shell; 81. a connecting member; 82. and an air outlet gap.
Detailed Description
In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 6, a cleaning device for a filter according to the present invention will now be described. The cleaning device for the filter comprises a blanking pipe 1, a scraping plate 2 and a pushing driving piece 3; one end of the blanking pipe 1 is suitable for being connected to the bottom of the filter main body 4 and is communicated with a preset hole in the bottom of the filter main body 4; the other end is suitable for extending downwards; the blanking pipe 1 is provided with a valve (not shown in the figure); a scraper plate 2 adapted to be disposed within the filter body 4, the scraper plate 2 adapted to span across the screen 5, the scraper plate 2 having a scraper side 21 in surface contact with the screen 5; the scraper plate 2 has the freedom degree of sliding from one side of the filter screen 5 to the other side of the filter screen 5; the pushing driving member 3 is suitable for being fixed on the peripheral wall of the filter body 4; the pushing driving piece 3 is provided with a pushing end connected with the scraping plate 2, and the pushing end penetrates through and is sealed on the outer peripheral wall of the filter main body 4; wherein, be equipped with on the scraper side 21 and be suitable for along its one end to the other end gliding clear material mechanism 6, clear material mechanism 6 is used for scraping away the material of scraper side 21.
In the embodiment of the application, when the filter needs to be cleaned, the valve on the blanking pipe 1 is opened, and the filtered dust in the filter main body 4 can be discharged from the blanking pipe 1. The scraping plate 2 can be driven to slide from one end of the filter screen 5 to the other end by pushing the pushing driving piece 3, and then sundries are scraped away from the filter screen 5. The impurities scraped from the filter screen 5 can be discharged from the blanking pipe 1, so that the dust in the filter main body 4 can be cleaned conveniently. Scrape the mechanism 6 of expecting on the flitch 2 and can scrape out the material of scraping on the flitch 2, be convenient for improve the scraping performance of scraping the flitch 2.
The utility model provides a pair of a cleaning device for filter compares with prior art, through blanking pipe 1, scrape flitch 2 and push away the cooperation that pushes away driving piece 3, can clear up the debris of diapire in the filter main part, is convenient for improve cleaning efficiency.
Illustratively, the pushing driving member 3 includes a first cylinder, a cylinder body of the first cylinder is fixed on the outer circumferential wall of the filter body 4, a piston rod end of the first cylinder is a pushing end, and the piston rod end of the first cylinder penetrates through the filter body 4 and then is fixedly connected with the scraper plate 2. The piston rod of the first cylinder extends out, so that the scraping plate 2 can be driven to slide along one side of the filter screen 5 to the other side of the filter screen 5, and then the scraping plate 2 can clean impurities on the filter screen 5 conveniently. The piston rod of the first cylinder is connected with the filter body 4 in a sealing mode, so that the sealing performance of the piston rod and the filter body 4 can be guaranteed, and powder leaked from the piston rod is reduced.
Further, the first cylinder is horizontally disposed, and a support plate 41 for supporting the first cylinder is provided on the outer peripheral wall of the filter main body 4.
It will be appreciated that material can be discharged directly from the down pipe 1 in the filter body 4 when the material has a smaller diameter than the down pipe 1. When the diameter of the material is larger than that of the down pipe 1, the press cover 42 on the filter main body 4 needs to be opened to take out the material.
In some embodiments, as shown in fig. 1 to 6, an accommodating cavity 22 is provided in the scraper 2, and both ends of the scraper 2 are provided with through holes communicated with the accommodating cavity 22; the outer peripheral wall of the scraping plate 2 is provided with a T-shaped chute 23 extending towards the two ends of the scraping plate, and the material cleaning mechanism 6 comprises a material cleaning plate 61, a rotating roller 62, a connecting rope 63 and a first elastic part; the material cleaning plate 61 is arranged on the outer peripheral wall of the scraping plate 2 and is abutted against the scraping side 21; a T-shaped sliding block 611 suitable for being in sliding fit with the T-shaped sliding groove 23 is fixedly arranged on the material cleaning plate 61; the rotating roller 62 is spanned and rotatably arranged in the accommodating cavity 22; the connection cord 63 is wound around the outer circumferential wall of the rotating roller 62; one end of the connecting rope 63 penetrates through a through hole at one end of the scraper plate 2 and is fixedly connected with the material cleaning plate 61; the other end of the connecting rope 63 penetrates through the through hole at the other end of the scraper plate 2 and is suitable for being fixed on the inner wall surface of the filter body 4; wherein the connecting rope 63 is in a tensioned state; the first elastic element is arranged in the T-shaped chute 23, and two ends of the elastic element are respectively connected with the material cleaning plate 61 and the material scraping plate 2.
Illustratively, the first elastic member includes a spring 64, a bottom end of the spring 64 is fixed to a bottom wall of the T-shaped sliding slot 23, and a top end of the spring 64 is fixedly connected to the T-shaped sliding block 611. The T-shaped sliding block 611 is located at the top of the T-shaped chute 23 by the elastic force of the spring 64, so that the material cleaning plate 61 is located at the top of the scraper plate 2. The rotating roller 62 is arranged at the position of the accommodating cavity 22 close to the top, and one end of the connecting rope 63 penetrates through the through hole at the bottom of the scraper 2 and then is connected with the material cleaning plate 61; the other end of the connecting rope 63 passes through a through hole at the top of the scraper 2 and then is fixed on the inner wall of the filter main body 4. It should be noted that, during the sliding of the scraper 2, the length of the connecting portion of the connecting rope 63 and the filter main body 4 is increased; when the scraper 2 returns, the length of the connecting portion of the connecting string 63 to the filter main body 4 becomes short.
The motion process of the connecting rope 63 driving the material cleaning plate 61 is as follows: connect the rope 63 and become long with the length of filter main part 4 coupling part, and then drive live-rollers 62 and rotate, make the length of connecting rope 63 and the clear flitch 61 coupling part shorten, consequently can drive clear flitch 61 and slide from top to bottom, be convenient for strike off the debris on scraping flitch 2. When the scraper 2 returns, under the elastic force of the spring 64, the length of the connecting part of the connecting rope 63 and the material cleaning plate 61 is lengthened, and then the rotating roller 62 is driven to rotate, so that the length of the connecting part of the connecting rope 63 and the filter main body 4 is shortened, and the connecting rope is wound on the rotating roller 62.
It should be understood that the material cleaning plate 61 can scrape the impurities on the material scraping plate 2 regardless of whether the material cleaning plate 61 slides from top to bottom or from bottom to top.
In some embodiments, as shown in fig. 1 to 6, a rotating elastic member is sleeved at the rotating shaft of the rotating roller 62, and two ends of the rotating elastic member are respectively connected with the rotating roller 62 and the scraper plate 2. The rotary elastic member includes a torsion spring (not shown), the torsion spring is sleeved on the rotating shaft of the rotating roller 62, one end of the torsion spring is fixed on the rotating shaft, and the other end of the torsion spring is fixed on the scraper 2. The torsion force is provided to the rotating shaft by the torsion spring, and when the scraper 2 returns, the rotating roller 62 is convenient to wind the part of the connecting rope 63 connected with the filter by the combined action of the torsion force of the torsion spring and the elastic force of the spring 64.
In some embodiments, as shown in fig. 1 to 6, the scraper 2 is rotatably provided with guide wheels (not shown) at the through holes at both ends thereof, and both ends of the connecting rope 63 are rotatably engaged with the guide wheels at the corresponding through holes, respectively. The position of leading wheel on scraping flitch 2 remains unchanged, through connecting rope 63 and leading wheel normal running fit, can reduce the wearing and tearing of connecting rope 63, is convenient for improve the life who connects rope 63.
In some embodiments, as shown in fig. 1 to 6, the outer peripheral wall of the scraper 2 is provided with a T-shaped chute 23 extending towards both ends thereof, and the material cleaning mechanism 6 includes a material cleaning plate 61, a pushing cylinder 65 and a second elastic member; the material cleaning plate 61 is arranged on the outer peripheral wall of the scraping plate 2 and is abutted against the scraping side 21; the material cleaning plate 61 is fixedly provided with a T-shaped sliding block 611 which is suitable for sliding fit with the T-shaped sliding groove 23. The pushing cylinder 65 is adapted to be fixed to the top or bottom of the filter body 4; the piston rod of the pushing cylinder 65 penetrates through the filter main body 4 and is suitable for being abutted to the material cleaning plate 61; the second elastic piece is arranged in the T-shaped chute 23, and two ends of the elastic piece are respectively connected with the material cleaning plate 61 and the material scraping plate 2; wherein the piston rod of the pushing cylinder 65 is adapted to overcome the elastic force of the second elastic member to push the material cleaning plate 61.
Illustratively, the second elastic member includes a spring 64, and the second elastic member is disposed in the same manner as the first elastic member, and will not be described herein again. The present embodiment will be described by taking an example in which the pushing cylinder 65 is provided at the top of the filter main body 4. The pushing cylinder 65 is vertically arranged and fixed on the gland 42 at the top of the filter body 4, and a piston rod of the pushing cylinder 65 is hermetically connected with the gland 42, so that powder leaked from the joint of the piston rod of the pushing cylinder 65 and the gland 42 can be reduced. In the initial state, the material cleaning plate 61 is located at the top of the scraper plate 2 under the action of the spring 64, at this time, the piston rod of the pushing cylinder 65 retracts into the cylinder body, and the piston rod of the pushing cylinder 65 is separated from the material cleaning plate 61. When scraping flitch 2 and sliding to the opposite side of filter screen 5 by one side of filter screen 5, the piston rod that pushes away cylinder 65 stretches out to contact with clear flitch 61, then the piston rod that pushes away cylinder 65 promotes clear flitch 61 and slides on scraping flitch 2, the clear flitch 61 of being convenient for strikes off the material on scraping flitch 2, reduces the material of piling up on scraping flitch 2, and then is convenient for improve the scraping performance of scraping flitch 2. When the piston rod of the pushing cylinder 65 retracts, the piston rod of the pushing cylinder 65 is separated from the material cleaning plate 61, and the material cleaning plate 61 slides to the top end of the scraper 2 under the action of the spring 64; during the return stroke of the scraper 2, the material cleaning plate 61 is always positioned at the top end of the scraper 2.
In some embodiments, as shown in fig. 1 to 6, an elastic pad (not shown) is disposed at the connection position of the material cleaning plate 61 and the piston rod, and the elastic pad is fixed on the material cleaning plate 61 or fixed at the pushing end of the piston rod. The present embodiment is described by taking an example in which the elastic pad is fixed to the material cleaning plate 61. The elastic pad is arranged on the material cleaning plate 61 and corresponds to the piston rod of the pushing cylinder 65, so that when the piston rod of the pushing cylinder 65 extends out, the piston rod of the pushing cylinder 65 can be in contact with the elastic pad, impact between the piston rod of the pushing cylinder 65 and the material cleaning plate 61 is reduced, and damage to the material cleaning plate 61 and the piston rod of the pushing cylinder 65 is reduced.
In some embodiments, as shown in fig. 1 to 6, one side of the material cleaning plate 61 abuts against the scraping side 21, and the other side of the material cleaning plate 61 is adapted to extend obliquely to the bottom of the filter body 4. The material cleaning plate 61 is obliquely arranged, and after the material falls on the upper surface of the material cleaning plate 61, the material can slide along the upper surface of the material cleaning plate 61, finally fall to the bottom of the filter body 4, and then be discharged from the blanking pipe 1.
In some embodiments, as shown in fig. 1-6, the cleaning device further comprises an air tube 7 and a conical shell 8; one end of the air pipe 7 is positioned in the blanking pipe 1 and extends upwards into the filter main body 4; the other end of the air pipe 7 is a bent end and extends out of the blanking pipe 1 towards the radial direction of the blanking pipe 1; the outer end of the air pipe 7 is suitable for being communicated with an air source; wherein the diameter of the air pipe 7 is smaller than that of the blanking pipe 1; the open end of the conical shell 8 is connected with the inner end of the air pipe 7 through a connecting piece 81; the diameter of the opening end of the conical shell 8 is larger than the diameter of the inner end of the air pipe 7, and an air outlet gap 82 is formed between the opening end of the conical shell 8 and the inner end of the air pipe 7.
Illustratively, the outside end of the air tube 7 is located between the bottom of the filter body 4 and the valve, and therefore does not interfere with the mounting of the valve to the down pipe 1. The outer side end of the air pipe 7 is also provided with a valve, and the air pipe 7 can be communicated with or disconnected from an air source through the valve on the air pipe 7. When the air pipe 7 is communicated with the air source, the pressure air in the air source is blown to the conical shell 8 through the air pipe 7, and is blown to the bottom of the filter main body 4 from the air outlet gap 82 through the conical shell 8; because the diameter of the conical shell 8 is larger than that of the air pipe, the opening end of the conical shell 8 can guide the air flow to the bottom of the filter main body 4, and then sundries at the bottom of the filter main body 4 can be conveniently discharged from the blanking pipe 1.
It should be understood that the connecting member 81 may be a connecting plate, one end of which is fixed to the open end of the conical shell 8 and the other end of which is fixed to the inner end of the air tube 7.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A cleaning apparatus for a filter, comprising:
one end of the blanking pipe is suitable for being connected to the bottom of the filter main body and is communicated with a preset hole in the bottom of the filter main body; the other end is suitable for extending downwards; a valve is arranged on the blanking pipe;
the scraping plate is suitable for being arranged in the filter main body and is suitable for crossing the filter screen, and the scraping plate is provided with a scraping side which is contacted with the surface of the filter screen; the scraping plate has a degree of freedom of sliding from one side of the filter screen to the other side of the filter screen; and
the pushing driving piece is suitable for being fixed on the outer peripheral wall of the filter main body; the pushing driving piece is provided with a pushing end connected with the scraping plate, and the pushing end penetrates through and is sealed on the outer peripheral wall of the filter main body;
the scraper is characterized in that the scraper side is provided with a material cleaning mechanism which is suitable for sliding from one end to the other end of the scraper, and the material cleaning mechanism is used for scraping materials away from the scraper side.
2. The cleaning device for the filter according to claim 1, wherein an accommodating cavity is formed in the scraping plate, and through holes communicated with the accommodating cavity are formed at both ends of the scraping plate; be equipped with the T shape spout that extends towards its both ends on the periphery wall of scraping the flitch, clear material mechanism includes:
the material cleaning plate is arranged on the outer peripheral wall of the scraping plate and is abutted against the scraping side; a T-shaped sliding block which is suitable for being in sliding fit with the T-shaped sliding groove is fixedly arranged on the cleaning plate;
the rotating roller is spanned and rotatably arranged in the accommodating cavity;
a connecting rope wound around the outer circumferential wall of the rotating roller; one end of the connecting rope penetrates through the through hole in one end of the scraping plate and is fixedly connected with the material cleaning plate; the other end of the connecting rope penetrates through the through hole in the other end of the scraper plate and is suitable for being fixed on the inner wall surface of the filter main body; wherein the connecting rope is in a tensioned state; and
and the first elastic piece is arranged in the T-shaped sliding groove, and two ends of the elastic piece are respectively connected with the material cleaning plate and the material scraping plate.
3. The cleaning apparatus for a filter according to claim 2, wherein a rotary elastic member is sleeved at a rotating shaft of the rotary roller, and both ends of the rotary elastic member are respectively connected to the rotary roller and the scraper.
4. The cleaning device for the filter as claimed in claim 2, wherein the scraper has guide wheels rotatably provided at the through holes at both ends thereof, and both ends of the connecting rope are rotatably engaged with the guide wheels at the corresponding through holes, respectively.
5. A cleaning apparatus for a filter as claimed in claim 1, wherein said scraper has a T-shaped chute formed in a peripheral wall thereof and extending toward both ends thereof, and said cleaning mechanism comprises:
the material cleaning plate is arranged on the outer peripheral wall of the scraping plate and is abutted against the scraping side; a T-shaped sliding block which is suitable for being in sliding fit with the T-shaped sliding groove is fixedly arranged on the cleaning plate;
the pushing cylinder is suitable for being fixed at the top or the bottom of the filter body; a piston rod of the pushing cylinder penetrates through the filter main body and is suitable for abutting against the cleaning plate; and
the second elastic piece is arranged in the T-shaped sliding groove, and two ends of the second elastic piece are respectively connected with the material cleaning plate and the material scraping plate;
and a piston rod of the pushing cylinder is suitable for overcoming the elasticity of the second elastic piece so as to push the cleaning plate.
6. The cleaning device for the filter according to claim 5, wherein an elastic pad is disposed at a connecting position of the cleaning plate and the piston rod, and the elastic pad is fixed on the cleaning plate or at the pushing end of the piston rod.
7. A cleaning device for filters according to claim 2 or 5, characterised in that one side of the cleaning plate abuts against the scraping side and the other side of the cleaning plate is adapted to extend obliquely to the bottom of the filter body.
8. A cleaning device for a filter according to any of claims 1-6, characterised in that the cleaning device further comprises:
one end of the air pipe is positioned in the blanking pipe and extends upwards into the filter main body; the other end of the air pipe is a bent end and extends out of the blanking pipe in the radial direction of the blanking pipe; the outer end of the air pipe is suitable for being communicated with an air source; wherein the diameter of the air pipe is smaller than that of the blanking pipe; and
the conical shell is connected with the inner side end of the air pipe through a connecting piece; the diameter of the opening end of the conical shell is larger than that of the inner side end of the air pipe, and an air outlet gap is formed between the opening end of the conical shell and the inner side end of the air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220923979.XU CN217698449U (en) | 2022-04-20 | 2022-04-20 | Cleaning device for filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220923979.XU CN217698449U (en) | 2022-04-20 | 2022-04-20 | Cleaning device for filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217698449U true CN217698449U (en) | 2022-11-01 |
Family
ID=83788420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220923979.XU Active CN217698449U (en) | 2022-04-20 | 2022-04-20 | Cleaning device for filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217698449U (en) |
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2022
- 2022-04-20 CN CN202220923979.XU patent/CN217698449U/en active Active
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