CN112044131A - Filter screen for sewage filtration - Google Patents
Filter screen for sewage filtration Download PDFInfo
- Publication number
- CN112044131A CN112044131A CN202010896041.9A CN202010896041A CN112044131A CN 112044131 A CN112044131 A CN 112044131A CN 202010896041 A CN202010896041 A CN 202010896041A CN 112044131 A CN112044131 A CN 112044131A
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- Prior art keywords
- filter screen
- rectangular frame
- strip
- magnet
- arc
- Prior art date
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- 238000001914 filtration Methods 0.000 title claims abstract description 27
- 239000010865 sewage Substances 0.000 title claims abstract description 15
- 230000007306 turnover Effects 0.000 claims abstract description 59
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Images
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
- B01D29/01—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 flat filtering elements
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- 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
- B01D29/965—Device for changing the inclination of the filtering element
Abstract
The invention discloses a filter screen for filtering sewage, which comprises a positioning mechanism, a filtering mechanism and an auxiliary cleaning mechanism, wherein the positioning mechanism comprises a rectangular frame, a limiting strip, a sliding rod, a first return spring, a contact and a first magnet, the upper end and the lower end of the inner side of the rectangular frame are both provided with arc surfaces, the two arc surfaces are positioned on a circle taking the middle point in the rectangular frame as the circle center, the left end of each arc surface is provided with the limiting strip, one side of each limiting strip, which is close to the arc surface, is uniformly provided with a sliding groove, and the sliding rod is arranged in the sliding groove in a sliding manner. When the turnover plate deflects repeatedly, the filter screen arranged in the filter screen mounting groove is impacted on the hitting ball, so that the filter screen vibrates, impurities attached to the filter screen are vibrated to fall, and the filter screen is prevented from being blocked.
Description
Technical Field
The invention relates to the technical field of filter screens, in particular to a filter screen for filtering sewage.
Background
There are a large amount of solid particles often in the sewage, therefore, we need utilize filtration equipment to carry out sewage filtration treatment, filter the solid particle in the sewage, and the most basic filter assembly who commonly uses in the filtration equipment just is the filter screen, the filter screen is the first water purification process of whole filtering process generally, therefore, the filter screen is when filtering, can block up a large amount of solid particles in the mesh, this just needs to filter certain time after, utilize the method of back flush to switch on the mesh on the filter screen, perhaps dismantle down the filter screen and clean again, unusual inconvenience.
Disclosure of Invention
The invention aims to provide a filter screen for filtering sewage to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a filter screen for filtering sewage comprises a positioning mechanism, a filtering mechanism and an auxiliary cleaning mechanism, wherein the positioning mechanism comprises a rectangular frame, a limiting strip, a sliding rod, a first reset spring, a contact and a first magnet, arc-shaped surfaces are arranged at the upper end and the lower end of the inner side of the rectangular frame, the two arc-shaped surfaces are positioned on a circle taking the middle point inside the rectangular frame as the circle center, the limiting strip is arranged at the left end of each arc-shaped surface, a sliding groove is uniformly formed in one side, close to the arc-shaped surface, of the limiting strip, the sliding rod is arranged inside the sliding groove in a sliding mode, the first reset spring is arranged between the sliding rod and one end of the sliding groove, the contact is arranged at one end, away from the first reset spring, of the sliding rod, and the first magnet is embedded in;
the filter mechanism is arranged at the middle position of the inner side of the rectangular frame and comprises a turnover plate, a fixed shaft, a gear, a fixed column, a filter screen, a rack plate, a gear roller and a magnet II, the turnover plate is matched with the inner side of the rectangular frame, a strip-shaped groove is arranged at the middle position of the turnover plate close to one side of a limit strip, the middle position of the inner part of the strip-shaped groove is provided with the fixed shaft, the two ends of the fixed shaft are provided with the gear, the fixed column is vertically arranged at the position of the fixed shaft at the two sides of the turnover plate, the fixed column is embedded in the inner side wall of the central position of the rectangular frame through a bearing, filter screen mounting grooves are arranged on the turnover plates at the two sides of the strip-shaped groove in a penetrating way, the filter screen is arranged in the filter screen mounting grooves, the rack plate is arranged, the gear roller, the gear and the rack plate are mutually meshed, and a magnet II is embedded in one end, close to the magnet I, of the turnover plate;
supplementary clean mechanism includes fixed strip, sleeve, locating lever, reset spring two and hits the ball of beating, the filter screen mounting groove is kept away from the rectangular frame inside wall level of gear roller one side and is provided with the fixed strip, and the fixed strip is close to filter screen mounting groove one side and is provided with the sleeve perpendicularly, telescopic inside slides and is provided with the locating lever, be provided with reset spring two between locating lever one end and the sleeve, the other end of locating lever is provided with hits the ball of beating.
Preferably, the top of the rectangular frame is provided with a sundries collecting box, and the bottom end of the sundries collecting box, which is far away from one end of the limiting strip, is provided with an arc-shaped cover.
Preferably, the length of the screen mounting groove is smaller than that of the rack plate and is smaller than that of the strip-shaped groove, and the width of the screen mounting groove is smaller than that of the rack plate.
Preferably, the second magnet is opposite to the first magnet in magnetic pole on the opposite side.
Preferably, the hitting ball is made of rubber.
Compared with the prior art, the invention has the beneficial effects that:
(1) the upper end and the lower end of the inner side of the rectangular frame are both provided with arc surfaces, the two arc surfaces are positioned on a circle with the middle point inside the rectangular frame as the center of a circle, a fixed shaft is arranged at the middle position inside a strip-shaped groove of the turnover plate, gears are arranged at the two ends of the fixed shaft, fixed columns at the two sides of the turnover plate are embedded in the inner side wall of the center position of the rectangular frame through bearings, a filter screen is arranged inside a filter screen mounting groove of the turnover plate, a rack plate is arranged on one side of the filter screen mounting groove between the two gears in a sliding mode, a gear roller is arranged on the side wall of the rectangular frame at one side of the fixed shaft through a bearing. When the top of returning face plate inclines to the left, the area of the rack board bottom of returning face plate one side and the filter screen mounting groove coincidence of returning face plate bottom is greater than the area of rack board top and returning face plate top filter screen mounting groove coincidence, when rivers pass the filter screen of two filter screen mounting grooves, the impact is on the rack board, and then make the returning face plate both ends impact force that receives different, the returning face plate can promote the returning face plate bottom to incline to the right to the left top under the impact of rivers, at this in-process, the gear of returning face plate takes place to rotate relative to the pinion roller and drives the pinion roller and take place to rotate, and the gear shaft takes place to rotate and can drive the rack board along the returning face plate rebound, and then slowly make the area of rack board top and the filter screen mounting groove coincidence of returning face plate top slowly increase, the area of rack board bottom and the filter screen mounting groove coincidence of returning face plate bottom slowly reduce, the area of filter screen mounting groove coincidence when rack board When the overlapping areas of the mounting grooves are equal, the turnover plate still has certain inertia under the impact of water flow, and can continue to turn over until the overlapping area of the top end of the rack plate and the filter screen mounting groove at the top end of the turnover plate is larger than the overlapping area of the bottom end of the rack plate and the filter screen mounting groove at the bottom end of the turnover plate, and similarly, under the impact of the water flow, the top end of the turnover plate inclines leftwards and the bottom end inclines rightwards, so that the turnover plate swings back and forth, and in the process of the reciprocating swing of the turnover plate, the rack plate continuously overlaps with the two filter screen mounting grooves, when in coincidence, the water flow impacts on the rack plate to enable the water flow impacting on the rack plate to generate opposite relative motion with the water flow direction, namely, the water flow reversely moves forwards from the back of the filter screen, can flush impurities on the filter screen, and the turnover plate swings back and forth, so, the service time of the filter screen is prolonged, and the filtering effect of the filter screen is improved.
(2) According to the invention, the first magnet is embedded in the side wall of the rectangular frame which is arranged on the right side in the middle of the arc-shaped surface at the upper end, the second magnet is embedded in the end, close to the first magnet, of the turnover plate, and the magnetic poles of the second magnet and the first magnet on the opposite side are opposite.
(3) The left end of the arc-shaped surface is provided with the limiting strip, one side, close to the arc-shaped surface, of the limiting strip is uniformly provided with the sliding groove, the sliding rod is arranged in the sliding groove in a sliding mode, the first reset spring is arranged between the sliding rod and one end of the sliding groove, one end, far away from the first reset spring, of the sliding rod is provided with the contact, when the turnover plate is applied, one end, deflected by the turnover plate, is in contact with the contact on one side of the limiting strip, the first reset spring is extruded through the sliding rod, the turnover plate can generate a shaking effect, and impurities on.
(4) According to the invention, the fixing strip is horizontally arranged on the inner side wall of the rectangular frame on one side, far away from the gear roller, of the filter screen mounting groove, the sleeve is vertically arranged on one side, close to the filter screen mounting groove, of the fixing strip, the positioning rod is arranged in the sleeve in a sliding mode, the second reset spring is arranged between one end of the positioning rod and the sleeve, and the second reset spring is arranged between one end of the positioning rod and the sleeve.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic diagram of a flip-board structure according to the present invention;
FIG. 4 is a schematic view of a portion of the structure of FIG. 1 at A;
fig. 5 is a schematic view of a partial structure at B of fig. 1.
In the figure: 1. an arc-shaped surface; 2. a rectangular frame; 3. a magnet I; 4. a turnover plate; 5. a second magnet; 6. a limiting strip; 7. a filter screen mounting groove; 8. a fixed shaft; 81. fixing a column; 9. a gear roll; 10. a sundry collecting box; 11. an arc-shaped cover; 12. a rack plate; 13. a strip-shaped groove; 14. a gear; 15. filtering with a screen; 16. a contact; 17. a slide bar; 18. a first return spring; 19. a sliding groove; 20. a fixing strip; 21. a sleeve; 22. hitting a ball; 23. positioning a rod; 24. and a second return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: a filter screen for filtering sewage comprises a positioning mechanism, a filtering mechanism and an auxiliary cleaning mechanism, wherein the positioning mechanism comprises a rectangular frame 2, a limiting strip 6, a sliding rod 17, a first reset spring 18, a contact 16 and a first magnet 3, the upper end and the lower end of the inner side of the rectangular frame 2 are both provided with arc-shaped surfaces 1, the two arc-shaped surfaces 1 are positioned on a circle taking the middle point in the rectangular frame 2 as the circle center, the left end of each arc-shaped surface 1 is provided with the limiting strip 6, one side, close to the arc-shaped surfaces 1, of the limiting strip 6 is uniformly provided with a sliding groove 19, the sliding rod 17 is arranged in the sliding groove 19 in a sliding manner, the first reset spring 18 is arranged between the sliding rod 17 and one end of the sliding groove 19, one end, far away from the first reset spring 18, of the sliding rod 17 is provided with the contact 16, and;
the filtering mechanism is arranged at the middle position of the inner side of the rectangular frame 2 and comprises a turnover plate 4, a fixed shaft 8, a gear 14, a fixed column 81, a filter screen 15, a rack plate 12, a gear roller 9 and a magnet II 5, wherein the turnover plate 4 is matched with the inner side of the rectangular frame 2, a strip-shaped groove 13 is arranged at the middle position of one side of the turnover plate 4 close to the limiting strip 6, the fixed shaft 8 is arranged at the middle position inside the strip-shaped groove 13, the gears 14 are arranged at the two ends of the fixed shaft 8, the fixed column 81 is vertically arranged at the positions of the fixed shafts 8 at the two sides of the turnover plate 4, the fixed column 81 is embedded in the inner side wall of the central position of the rectangular frame 2 through a bearing, the filter screen mounting grooves 7 are arranged on the turnover plates 4 at the two sides of the strip-shaped groove 13 in a penetrating manner, the filter screen 15, the side wall of the rectangular frame 2 on one side of the fixed shaft 8 is provided with a gear roller 9 through a bearing, the gear roller 9, a gear 14 and a rack plate 12 are mutually meshed, a magnet II 5 is embedded in the end, close to the magnet I3, of the turnover plate 4, a sundries collecting box 10 is arranged at the top of the rectangular frame 2, an arc-shaped cover 11 is arranged at the bottom end, far away from the limiting strip 6, of the sundries collecting box 10, the length of the filter screen mounting groove 7 is smaller than that of the rack plate 12 and that of the strip-shaped groove 13, the width of the filter screen mounting groove 7 is smaller than that of the rack plate 12, and the magnetic pole of the magnet II 5;
supplementary clean mechanism includes fixed strip 20, sleeve 21, locating lever 23, two 24 of reset spring and hits ball 22, and 2 inside wall levels of rectangular frame that filter screen mounting groove 7 kept away from gear roller 9 one side are provided with fixed strip 20, and fixed strip 20 is close to filter screen mounting groove 7 one side and is provided with sleeve 21 perpendicularly, the inside slip of sleeve 21 is provided with locating lever 23, be provided with two 24 of reset spring between locating lever 23 one end and the sleeve 21, the other end of locating lever 23 is provided with hits ball 22, and the material of hitting ball 22 is rubber.
The working principle is as follows: when the turnover plate is applied, when the top end of the turnover plate 4 inclines leftwards, the area of the coincidence between the bottom end of the rack plate 12 at one side of the turnover plate 4 and the filter screen mounting groove 7 at the bottom end of the turnover plate 4 is larger than the area of the coincidence between the top end of the rack plate 12 and the filter screen mounting groove 7 at the top end of the turnover plate 4, when water flow passes through the filter screens 15 of the two filter screen mounting grooves 7, the water flow impacts on the rack plate 12, so that the impact forces at the two ends of the turnover plate 4 are different, the turnover plate 4 can push the bottom end of the turnover plate 4 to incline rightwards towards the leftwards inclined top end under the impact of the water flow, in the process, the gear 14 of the turnover plate 4 rotates relative to the gear roller 9 to drive the gear roller 9 to rotate, the gear shaft 9 rotates to drive the rack plate 12 to move upwards along the turnover plate 4, so that the area of the coincidence between the top end of the rack plate 12 and the, when the overlapping area of the top end of the rack plate 12 and the filter screen mounting groove 7 at the top end of the turnover plate 4 is equal to the overlapping area of the bottom end of the rack plate 12 and the filter screen mounting groove 7 at the bottom end of the turnover plate 4, the turnover plate 4 can still continue to turn over until the overlapping area of the top end of the rack plate 12 and the filter screen mounting groove 7 at the top end of the turnover plate 4 is larger than the overlapping area of the bottom end of the rack plate 12 and the filter screen mounting groove 7 at the bottom end of the turnover plate 4 under the impact of water flow, and similarly, the top end of the turnover plate 4 inclines leftwards and rightwards under the impact of water flow, so that the turnover plate 4 swings back and forth, and in the process of reciprocating swing of the turnover plate 4, the rack plate 12 continuously overlaps with the two filter screen mounting grooves 7, and when overlapping, the water flow impacts on the rack plate 12, the water flow can generate opposite relative motion with, namely, the water flow reversely moves forwards from the back of the filter screen 15, so that impurities on the filter screen 7 can be washed down, the turnover plate 4 swings in a reciprocating manner, so that the impurities on the filter screen 15 are washed down and then are immediately washed down by the impurities in the impurity collecting box 10, the service time of the filter screen 15 is prolonged, the filtering effect of the filter screen 15 is improved, the arranged magnet II 5 is opposite to the arranged magnet I3 in magnetism, so as to generate repulsion force, the turnover plate 4 is prevented from being in a vertical state, the balance is broken, in the process of swinging the turnover plate 4 in a reciprocating manner, the deflected end of the turnover plate 4 is contacted with the contact 16 at one side of the limiting strip 6, the reset spring I18 is extruded by the sliding rod 17, so that the turnover plate 4 generates a shaking effect, the impurities on the filter screen 7 can be dropped off, when the turnover plate 4 deflects repeatedly, the filter screen 15 arranged in the filter screen mounting groove 7 is impacted on the hitting ball, avoid filter screen 15 to block up to because the material of hitting ball 22 is rubber, set up two reset spring 24 between locating lever 23 one end and the sleeve 21, when filter screen 15 striking was on hitting ball 22, two reset spring 24 can play the effect of buffering, avoid filter screen 15 to damage.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. The filter screen for filtering sewage is characterized by comprising a positioning mechanism, a filtering mechanism and an auxiliary cleaning mechanism, wherein the positioning mechanism comprises a rectangular frame (2), a limiting strip (6), a sliding rod (17), a first reset spring (18), a contact (16) and a first magnet (3), the upper end and the lower end of the inner side of the rectangular frame (2) are provided with arc-shaped surfaces (1), the two arc-shaped surfaces (1) are positioned on a circle which takes the middle point in the rectangular frame (2) as the circle center, the left end of the arc-shaped surface (1) is provided with the limiting strip (6), one side of the limiting strip (6) close to the arc-shaped surfaces (1) is uniformly provided with a sliding groove (19), the sliding rod (17) is arranged in the sliding groove (19) in a sliding manner, the first reset spring (18) is arranged between the sliding rod (17) and one end of the sliding groove (19), one end of the sliding rod (17) far away from the first reset spring (18), a first magnet (3) is embedded in the side wall of the rectangular frame (2) which is positioned at the right side in the middle of the arc-shaped surface (1) at the upper end;
the filtering mechanism is arranged at the middle position of the inner side of the rectangular frame (2), the filtering mechanism comprises a turnover plate (4), a fixed shaft (8), a gear (14), a fixed column (81), a filter screen (15), a rack plate (12), a gear roller (9) and a magnet II (5), the turnover plate (4) is matched with the inner side of the rectangular frame (2), a strip-shaped groove (13) is arranged at the middle position of one side, close to the limiting strip (6), of the turnover plate (4), the fixed shaft (8) is arranged at the middle position of the inner part of the strip-shaped groove (13), the gears (14) are arranged at two ends of the fixed shaft (8), the fixed column (81) is vertically arranged at the position of the fixed shaft (8) at two sides of the turnover plate (4), the fixed column (81) is embedded in the inner side wall of the central position of the rectangular frame (2) through a bearing, filter screen mounting grooves (7) are arranged on the turnover plate (4, a filter screen (15) is arranged in the filter screen mounting groove (7), a rack plate (12) is arranged on one side of the filter screen mounting groove (7) between the two gears (14) in a sliding mode, a gear roller (9) is arranged on the side wall of the rectangular frame (2) on one side of the fixed shaft (8) through a bearing, the gear roller (9), the gears (14) and the rack plate (12) are meshed with each other, and a second magnet (5) is embedded in the overturning plate (4) close to one end of the first magnet (3);
supplementary clean mechanism includes fixed strip (20), sleeve (21), locating lever (23), reset spring two (24) and hits and beat ball (22), the rectangular frame (2) inside wall level that gear roller (9) one side was kept away from in filter screen mounting groove (7) is provided with fixed strip (20), and fixed strip (20) are close to filter screen mounting groove (7) one side and are provided with sleeve (21) perpendicularly, the inside slip of sleeve (21) is provided with locating lever (23), be provided with reset spring two (24) between locating lever (23) one end and sleeve (21), the other end of locating lever (23) is provided with hits and beats ball (22).
2. The filter screen for filtering sewage according to claim 1, wherein: the top of the rectangular frame (2) is provided with a sundries collecting box (10), and the bottom end of the sundries collecting box (10), which is far away from one end of the limiting strip (6), is provided with an arc-shaped cover (11).
3. The filter screen for filtering sewage according to claim 1, wherein: the length of the filter screen mounting groove (7) is smaller than that of the rack plate (12) and is smaller than that of the strip-shaped groove (13), and the width of the filter screen mounting groove (7) is smaller than that of the rack plate (12).
4. The filter screen for filtering sewage according to claim 1, wherein: and the magnetic pole of the opposite side of the second magnet (5) and the first magnet (3) is opposite.
5. The filter screen for filtering sewage according to claim 1, wherein: the hitting ball (22) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010896041.9A CN112044131A (en) | 2020-08-31 | 2020-08-31 | Filter screen for sewage filtration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010896041.9A CN112044131A (en) | 2020-08-31 | 2020-08-31 | Filter screen for sewage filtration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112044131A true CN112044131A (en) | 2020-12-08 |
Family
ID=73607143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010896041.9A Withdrawn CN112044131A (en) | 2020-08-31 | 2020-08-31 | Filter screen for sewage filtration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112044131A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642205A (en) * | 2020-12-19 | 2021-04-13 | 于彩娟 | Anti-pollution cutting fluid filter equipment for multiaxis machining center |
| CN112645467A (en) * | 2020-12-21 | 2021-04-13 | 绍兴国泰印染有限公司 | Printing and dyeing wastewater advanced treatment system |
| CN112710467A (en) * | 2021-01-27 | 2021-04-27 | 谢志勇 | Production detection device of coffee machine filter screen |
| CN113029277A (en) * | 2021-03-02 | 2021-06-25 | 严立敏 | Farmland water level monitoring equipment with water utilization coefficient |
| CN113144699A (en) * | 2021-04-22 | 2021-07-23 | 周小川 | Building water supply and drainage system based on building BIM |
| CN113458861A (en) * | 2021-09-03 | 2021-10-01 | 江苏鼎顺重型机床有限公司 | Circulating device for cooling machine tool |
| CN113750597A (en) * | 2021-09-08 | 2021-12-07 | 河源中盛环境科技有限公司 | Unpowered back-washing ultrafiltration water purification equipment |
| CN114504701A (en) * | 2022-02-16 | 2022-05-17 | 宿迁市春明医疗器材有限公司 | Once automatic exhaust liquid-stopping precise filtering infusion apparatus and forming equipment thereof |
| CN115002319A (en) * | 2022-05-27 | 2022-09-02 | 浙江徕智家未来科技有限公司 | Visitor behavior supervisory system based on visual identification |
| CN115178006A (en) * | 2022-07-18 | 2022-10-14 | 霸州中电环保发电有限公司 | Sundries filtering auxiliary device for urban sewage treatment |
| CN117599502A (en) * | 2024-01-24 | 2024-02-27 | 山西坤杰建设工程有限公司 | Drainage pipeline filtering and impurity removing device |
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