CN109091935B - Automatic filter screen adjusting device - Google Patents
Automatic filter screen adjusting device Download PDFInfo
- Publication number
- CN109091935B CN109091935B CN201811266443.XA CN201811266443A CN109091935B CN 109091935 B CN109091935 B CN 109091935B CN 201811266443 A CN201811266443 A CN 201811266443A CN 109091935 B CN109091935 B CN 109091935B
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- filter screen
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- groove
- wall
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- 239000007788 liquid Substances 0.000 claims abstract description 57
- 238000005192 partition Methods 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to an automatic filter screen adjusting device, which effectively solves the problems that the conventional filter screen is inconvenient to replace, the workload is increased, and the production efficiency is influenced; the technical scheme includes that the filter comprises a cylindrical shell, a liquid inlet and a liquid outlet are formed in the shell, an arc-shaped groove is formed in the inner wall of the shell, a cylindrical filter screen is installed in the shell, a plurality of blades are evenly distributed on the circumference of the side wall of the filter screen, each blade consists of an outer plate and an inner plate, a vertical through groove is formed in the outer side surface of the outer plate, the inner plate is installed in the through groove and can move in the through groove along the radial direction of the filter screen, a plurality of pressure springs are installed between the inner side surface of the inner plate and the bottom of the through groove, two identical arc plates are installed in the filter screen, the two arc plates are symmetrically arranged in the front and back direction and are attached to the filter screen, and a notch is formed in the positions of the two arc plates, which are opposite to the liquid inlet and the liquid outlet.
Description
Technical Field
The invention relates to the field of filtering equipment, in particular to an automatic adjusting device for a filter screen.
Background
Liquid filtration is a common process in each production field, and is mostly carried out by adopting filter screens with various precisions; after the filter screen works for a long time, meshes of the filter screen are blocked by impurities, the overflowing amount of the filter screen is small after the filter screen is blocked, the filtering efficiency and the filtering capacity are reduced, and the filtering effect and the production efficiency of liquid are influenced; after the current filter screen is blocked, the filter screen needs to be detached and replaced, so that the machine must be stopped, the workload can be increased due to frequent replacement of the filter screen, the working efficiency is reduced, and the situation that replacement is not timely is easy to occur.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the automatic filter screen adjusting device, which effectively solves the problems that the conventional filter screen is inconvenient to replace, the workload is increased, and the production efficiency is influenced.
The technical scheme for solving the problem is that the automatic filter screen adjusting device comprises a vertically-placed cylindrical shell, wherein a liquid inlet hole is formed in the side wall of the left side of the shell, a liquid outlet hole is formed in the side wall of the right side of the shell, an arc-shaped groove coaxial with the shell is formed in the inner wall of the shell, the arc-shaped groove is equal to the inner wall of the shell in height, the arc-shaped groove is positioned on the rear side of the liquid inlet hole, and the groove edge of the front side of the arc-shaped groove is close to the liquid inlet hole; a cylindrical filter screen is arranged in the shell, the filter screen is coaxial with the shell, the outer diameter of the filter screen is smaller than the inner diameter of the shell, a plurality of vertical blades are uniformly distributed on the circumference of the side wall of the filter screen, the blades extend outwards along the radial direction of the filter screen to form an impeller, and the interval angle between every two adjacent blades is smaller than the circumferential angle of the arc-shaped groove; each blade consists of an outer plate and an inner plate, a vertical through groove is formed in the outer side surface of the outer plate, the inner plate is installed in the through groove and can move in the groove along the radial direction of the filter screen, a plurality of pressure springs are installed between the inner side surface of the inner plate and the bottom of the through groove, and the outer side surface of the inner plate is in contact with the inner wall of the shell under the action of the pressure springs; install two the same arcs in the filter screen, the equal relative casing fixed mounting of two arcs, symmetrical arrangement and outer wall all laminate with the inner wall of filter screen around two arcs, and the circumference angle of two arcs all is less than 180 degrees to respectively form a breach that can supply liquid to pass through in the position relative with feed liquor hole and play liquid hole, open the liquid hole of crossing that has a plurality of vertical arrangements on the arc of rear side with the corresponding circumference position of back side of arc wall on the arc.
The invention can automatically adjust the position of the filter screen when the filter screen is blocked, ensures the filtering quality, greatly reduces the replacement frequency, reduces the workload and improves the production efficiency.
Drawings
FIG. 1 is a top cross-sectional view of the present invention.
Fig. 2 is a front cross-sectional view of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 1.
Fig. 4 is a front view of the blade.
Fig. 5 is a perspective view of a screen frame.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the invention comprises a vertically placed cylindrical shell 1, a liquid inlet 2 is arranged on the side wall of the left side of the shell 1, a liquid outlet 3 is arranged on the side wall of the right side of the shell 1, an arc-shaped groove 4 coaxial with the shell 1 is arranged on the inner wall of the shell 1, the arc-shaped groove 4 is equal to the inner wall of the shell 1 in height, the arc-shaped groove 4 is positioned at the rear side of the liquid inlet 2, and the groove edge of the front side of the arc-shaped groove is close to the liquid inlet 2; a cylindrical filter screen 5 is installed in the shell 1, the filter screen 5 is coaxial with the shell 1, the outer diameter of the filter screen 5 is smaller than the inner diameter of the shell 1, a plurality of vertical blades 6 are uniformly distributed on the side wall of the filter screen 5 in the circumferential direction, the plurality of blades 6 extend outwards in the radial direction of the filter screen 5 to form an impeller, and the interval angle between every two adjacent blades 6 is smaller than the circumferential angle of the arc-shaped groove 4; each blade 6 consists of an outer plate 7 and an inner plate 8, a vertical through groove 9 is formed in the outer side surface of the outer plate 7, the inner plate 8 is installed in the through groove 9 and can move in the groove along the radial direction of the filter screen 5, a plurality of pressure springs 10 are installed between the inner side surface of the inner plate 8 and the bottom of the through groove 9, and the outer side surface of the inner plate 8 is in contact with the inner wall of the shell 1 under the action of the pressure springs 10; install two the same arcs 11 in the filter screen 5, 1 fixed mounting of casing is all relative to two arcs 11, symmetrical arrangement and outer wall all laminate with the inner wall of filter screen 5 around two arcs 11, the circumference angle of two arcs 11 all is less than 180 degrees, thereby respectively form a breach that can supply liquid to pass through in the position relative with feed liquor hole 2 and play liquid hole 3, open the liquid hole 12 of crossing that has a plurality of vertical arrangements on the arc 11 of rear side with the corresponding circumference position of rear side edge of arc 4.
In order to ensure the strength of the filter screen 5 and prevent the liquid medicine from streaming along the circumferential direction of the filter screen 5, the filter screen 5 comprises a plurality of vertical partition plates 13 which are uniformly distributed on the circumference, the plurality of partition plates 13 are connected through an annular ring 14 to form a framework, and arc-shaped meshes are arranged between the partition plates 13 to form the cylindrical filter screen 5; the number of the partition plates 13 is the same as that of the blades 6, and the blades 6 are correspondingly arranged on the outer sides of the partition plates 13.
In order to conveniently replace the filter screen 5, the top end of the shell 1 is provided with an end cover 15 through threads.
For the convenience knows the angle that filter screen 5 rotated, the top subsides of filter screen 5 be equipped with an annular scale plate 16, be carved with angle scale on the scale plate 16, be equipped with a transparent view port 19 on the end cover 15, can observe scale plate 16 through view port 19.
The axis of the shell 1 is provided with a fixed shaft 17, and the two arc plates 11 are fixedly connected to the fixed shaft 17 through a connecting rod 18.
In order to ensure that the blades 6 can stably enter and exit the arc-shaped groove 4, the front side edge and the rear side edge of the arc-shaped groove 4 are smoothly transited with the inner wall of the shell 1 through round angles.
The width of the gap formed between the two arc plates 11 is smaller than the interval between the vanes 11.
When the filter screen is used specifically, the liquid inlet hole 2 is connected with a liquid inlet pipe, the liquid outlet hole 3 is connected with a liquid outlet pipe, liquid to be filtered enters the shell 1 from the liquid inlet hole 2 and sequentially passes through two sides of the filter screen 5 to flow out from the liquid outlet hole 3; the liquid in the liquid inlet hole 2 can generate pressure on the blades 6 on the front side and the rear side of the liquid inlet hole 2, the arc-shaped groove 4 is formed in the rear side of the liquid inlet hole 2, the circumferential length of the arc-shaped groove 4 is larger than the interval between the blades 6, therefore, at least one blade 6 is located in the arc-shaped groove 4 certainly, the inner plate 8 of the blade 6 can pop out to be in contact with the bottom of the arc-shaped groove 4 under the action of the pressure spring 10, the area of the blade 6 relative to each blade 6 outside the arc-shaped groove 4 is increased, therefore, under the condition that the liquid pressure in the liquid inlet hole 2 is the same, the pressure of the liquid in the liquid inlet hole 2 on the blade 6 is larger than the pressure on the blade 6 on the front side of the liquid inlet hole 2, namely, pressure difference exists between the two, and the pressure difference applies a clockwise torque to the blade 6 and the filter screen 5; the pressure difference is increased along with the increase of the pressure intensity at the liquid inlet hole 2, after long-time filtration, the filter screen 5 is blocked by impurities, and the liquid flow is not smooth, so that the hydraulic pressure at the liquid inlet hole 2 can be increased, the pressure difference of the liquid at the liquid inlet hole 2 to the blades 6 at the two sides is increased, the clockwise torque applied to the filter screen 5 is increased, when the torque is greater than the rotation resistance of the filter screen 5, the filter screen 5 can be pushed to rotate clockwise, and the resistance comprises the friction force between the blades 6 and the inner wall of the shell 1, the inertia of the filter screen 5 and the like; the filter screen 5 rotates and can rotate the part that does not block up to feed liquor hole 2 department, and liquid flow resistance reduces, and the pressure in feed liquor hole 2 department reduces gradually, and filter screen 5 stops rotating gradually, and when filter screen 5 was blockked up once more here, pressure differential promoted filter screen 5 once more and rotates to realize filter screen 5's automatic adjustment.
After the blade 6 in the arc wall 4 rotated out arc wall 4, this blade 6 inner panel 8 was pressed in, the area reduces, and this blade 6 anticlockwise side gets into arc wall 4 rather than adjacent blade 6 this moment, if the liquid between two blades 6 is not discharged, can form an anticlockwise pressure differential to filter screen 5, consequently, a plurality of liquid holes 12 of crossing are seted up to the position that corresponds to the arc 11 and the 4 exit ends of arc wall 4 at the rear side, when blade 6 rotated out arc wall 4, liquid hole 12 was crossed to blade 6, the liquid of this blade 6 anticlockwise side can be followed and crossed liquid hole 12 and discharged, prevent to filter screen 5 formation anticlockwise pressure differential.
When the filter screen 5 rotates 180 degrees, the blocked part can rotate to the position of the liquid outlet hole 3, the filter screen 5 needs to be replaced at the moment, and a worker can observe the scales on the scale plate 16 through the view port 19 on the end cover 15 to know the rotating angle of the filter screen 5; the replacing method comprises the following steps: open end cover 15, take out filter screen 5, with new filter screen 5 cover outside two arcs 11, pay attention to make 0 degree position of scale plate 16 aim at feed liquor hole 2, then screw up end cover 15 can, filter screen 5 taken out washs in order to change the use.
The invention can produce various models with different sensitivities by adopting the pressure springs 10 with different elastic moduli so as to adapt to different application environments; the larger the elasticity of the pressure spring 10 is, the larger the friction force of the blade 6 on the inner wall of the shell 1 is, the larger the resistance of the rotation of the filter screen 5 is, and the lower the sensitivity is, and on the contrary, the smaller the elasticity of the pressure spring 10 is, the higher the sensitivity is.
According to the invention, the filter screen 5 is designed into a cylindrical shape, the blades 6 are arranged on the periphery of the filter screen, the blades 6 on two sides of the liquid inlet generate pressure difference increased along with the increase of pressure intensity through the area change of the blades 6, the power for rotating the filter screen 5 is given, the position can be automatically rotated and adjusted when the filter screen 5 is blocked, the filter screen 5 is not required to be replaced by frequent shutdown, and the problem that the filtering effect is reduced when the traditional filter screen 5 is not replaced in time after being blocked is also avoided, so that the workload is reduced, the filtering effect is ensured, and the working efficiency is improved; the operation is simple, convenient and quick when the filter screen 5 is replaced, the downtime is short, and the influence on the production is small; in addition, the invention has simple structure, each component has a conventional shape, no special-shaped component exists, the processing is convenient, and the manufacturing cost is low.
Claims (5)
1. An automatic filter screen adjusting device comprises a vertically-placed cylindrical shell (1), and is characterized in that a liquid inlet hole (2) is formed in the side wall of the left side of the shell (1), a liquid outlet hole (3) is formed in the side wall of the right side of the shell (1), an arc-shaped groove (4) coaxial with the shell (1) is formed in the inner wall of the shell (1), the arc-shaped groove (4) is as high as the inner wall of the shell (1), the arc-shaped groove (4) is located on the rear side of the liquid inlet hole (2), the groove edge of the front side of the arc-shaped groove is close to the liquid inlet hole (2), and the front side edge and the rear side edge of the arc-shaped groove (4) are in smooth transition with the inner wall of the shell (1) through round corners; a cylindrical filter screen (5) is installed in the shell (1), the filter screen (5) is coaxial with the shell (1), the outer diameter of the filter screen is smaller than the inner diameter of the shell (1), a plurality of vertical blades (6) are uniformly distributed on the side wall of the filter screen (5) in the circumferential direction, the blades (6) radially extend outwards along the filter screen (5) to form an impeller, and the interval angle between every two adjacent blades (6) is smaller than the circumferential angle of the arc-shaped groove (4); each blade (6) consists of an outer plate (7) and an inner plate (8), a vertical through groove (9) is formed in the outer side surface of the outer plate (7), the inner plate (8) is installed in the through groove (9) and can move in the groove along the radial direction of the filter screen (5), a plurality of pressure springs (10) are installed between the inner side surface of the inner plate (8) and the bottom of the through groove (9), and the outer side surface of the inner plate (8) is in contact with the inner wall of the shell (1) under the action of the pressure springs (10); two the same arc (11) are installed in filter screen (5), casing (1) fixed mounting is all relative in two arc (11), symmetrical arrangement and outer wall all laminate with the inner wall of filter screen (5) around two arc (11), the circumference angle of two arc (11) all is less than (180) degree, thereby respectively form a breach that can supply liquid to pass through in the position relative with feed liquor hole (2) and play liquid hole (3), the breach width that forms between two arc (11) is less than the interval between blade (11), it has liquid hole (12) of crossing of a plurality of vertical arrangements to open on arc (11) of rear side and the corresponding circumference position of the back side of arc (4) on arc (11).
2. The automatic filter screen adjusting device according to claim 1, wherein the filter screen (5) comprises a plurality of vertical partition plates (13) which are uniformly distributed on the circumference, the plurality of partition plates (13) are connected through an annular ring (14) to form a framework, and arc-shaped meshes are arranged between the partition plates (13) to form the cylindrical filter screen (5); the number of the partition plates (13) is the same as that of the blades (6), and the blades (6) are correspondingly arranged on the outer sides of the partition plates (13).
3. Automatic screen adjustment device according to claim 1, characterized in that the top end of the housing (1) is threaded with an end cap (15).
4. The automatic filter screen adjusting device according to claim 1, wherein an annular scale plate (16) is attached to the top end of the filter screen (5), angle scales are marked on the scale plate (16), a transparent view port (19) is formed in the end cover (15), and the scale plate (16) can be observed through the view port (19).
5. The automatic adjusting device for the filter screen according to claim 1, wherein a fixed shaft (17) is arranged at the axis of the housing (1), and the two arc-shaped plates (11) are fixedly connected to the fixed shaft (17) through a connecting rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266443.XA CN109091935B (en) | 2018-10-29 | 2018-10-29 | Automatic filter screen adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266443.XA CN109091935B (en) | 2018-10-29 | 2018-10-29 | Automatic filter screen adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109091935A CN109091935A (en) | 2018-12-28 |
| CN109091935B true CN109091935B (en) | 2021-09-10 |
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ID=64869561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811266443.XA Active CN109091935B (en) | 2018-10-29 | 2018-10-29 | Automatic filter screen adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109091935B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1428422A1 (en) * | 1986-11-10 | 1988-10-07 | Коммунарский горно-металлургический институт | Apparatus for purifying liquids |
| KR20130001450A (en) * | 2011-06-27 | 2013-01-04 | (주) 동양이엔지 | Water treatment filter |
| CN204973239U (en) * | 2015-08-13 | 2016-01-20 | 谢汝兴 | Full -automatic industry water purifier |
| CN205886360U (en) * | 2016-08-11 | 2017-01-18 | 苏州皙全环保科技有限公司 | Can be voluntarily purifier of renew cartridge more |
| CN107158783A (en) * | 2017-06-20 | 2017-09-15 | 利辛县飞达网业有限公司 | A kind of screen pack automatic loading mechanism |
| CN108404231A (en) * | 2018-03-30 | 2018-08-17 | 河南威浦仕医疗科技有限公司 | It is a kind of can automatic drain abdominocentesis drainage device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015207231B4 (en) * | 2015-04-21 | 2017-09-14 | Mahle International Gmbh | filtering device |
| AU2016330144A1 (en) * | 2015-09-30 | 2018-04-05 | Brita Lp | Filter core configuration |
| CN107213690A (en) * | 2017-06-28 | 2017-09-29 | 江苏中能电力设备有限公司 | A kind of secondary filter filter |
| CN207187300U (en) * | 2017-09-08 | 2018-04-06 | 河南利欣制药股份有限公司 | A kind of high-capacity injection production process filter |
-
2018
- 2018-10-29 CN CN201811266443.XA patent/CN109091935B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1428422A1 (en) * | 1986-11-10 | 1988-10-07 | Коммунарский горно-металлургический институт | Apparatus for purifying liquids |
| KR20130001450A (en) * | 2011-06-27 | 2013-01-04 | (주) 동양이엔지 | Water treatment filter |
| CN204973239U (en) * | 2015-08-13 | 2016-01-20 | 谢汝兴 | Full -automatic industry water purifier |
| CN205886360U (en) * | 2016-08-11 | 2017-01-18 | 苏州皙全环保科技有限公司 | Can be voluntarily purifier of renew cartridge more |
| CN107158783A (en) * | 2017-06-20 | 2017-09-15 | 利辛县飞达网业有限公司 | A kind of screen pack automatic loading mechanism |
| CN108404231A (en) * | 2018-03-30 | 2018-08-17 | 河南威浦仕医疗科技有限公司 | It is a kind of can automatic drain abdominocentesis drainage device |
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| Publication number | Publication date |
|---|---|
| CN109091935A (en) | 2018-12-28 |
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