CN112957797B - Hydraulic engineering prevents blockking up pump water filtration equipment - Google Patents
Hydraulic engineering prevents blockking up pump water filtration equipment Download PDFInfo
- Publication number
- CN112957797B CN112957797B CN202110221624.6A CN202110221624A CN112957797B CN 112957797 B CN112957797 B CN 112957797B CN 202110221624 A CN202110221624 A CN 202110221624A CN 112957797 B CN112957797 B CN 112957797B
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- Prior art keywords
- filter
- plates
- cleaning
- power shaft
- ring
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000001914 filtration Methods 0.000 title claims abstract description 38
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- 238000001125 extrusion Methods 0.000 claims abstract description 20
- 238000003780 insertion Methods 0.000 claims abstract description 19
- 230000037431 insertion Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000005086 pumping Methods 0.000 description 12
- 239000011148 porous material Substances 0.000 description 9
- 230000002265 prevention Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 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
- B01D29/62—Regenerating the filter material in the filter
-
- 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
- B01D29/114—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 arranged for inward flow filtration
-
- 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
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Details Of Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses anti-blocking pump water filtering equipment for hydraulic engineering, which comprises two cover plates, wherein sealing ring plates are symmetrically and rotatably arranged on one sides, close to each other, of the two cover plates, a filter cylinder is jointly arranged between the two sealing ring plates, a connecting pipe is arranged on one cover plate, the two filter plates are symmetrically arranged on the inner wall of the connecting pipe, power shafts are jointly and rotatably inserted in the two filter plates, and one ends, far away from the filter plates, of the power shafts are rotatably inserted in the cover plates far away from the connecting pipe. According to the invention, directional water flow pumped by the water pump is matched with the impeller to provide power for directional rotation of the power shaft, the cleaning needle repeatedly stretches and retracts to enter and exit from the filter holes through the matching between the extrusion cam and the extrusion roller to discharge dirt, and the filter cartridges intermittently rotate through the matching between the reversing disc and the reversing ring to rotate each row of filter holes to the cleaning needle and the inclined insertion plate one by one for cleaning, so that the structure is simplified while filtering and anti-blocking are realized, and the anti-blocking reliability is higher.
Description
Technical Field
The invention relates to the field of hydraulic engineering equipment, in particular to anti-blocking pump water filtering equipment for hydraulic engineering.
Background
In hydraulic engineering work progress, need use the water pump to draw water usually, and hydraulic engineering construction water pump draws water usually under comparatively dirty environment, then can lead to the water pump to be blockked up by the spot easily, cause the water pump to damage or the speed of drawing water to descend, influence the engineering progress, and cause the engineering equipment loss great, consequently need increase a pump water filtration equipment at the last one-level of water pump, filter through the front end and avoid the water pump to inhale more spot, also can increase pump water speed when protecting the water pump.
Current pump water filtration equipment is simple filter screen or filter bowl structure usually, place the water pump in the filter bowl soon, the water pump is at the in-process that draws water, inhale through the filterable water of filter bowl, make the water pump reduce by the possibility of jam damage, but the filter bowl is very fast blockked up under the effect of water pump suction force, it prevents stifled performance relatively poor, filter bowl after the jam needs to wash the back and just can guarantee pump water speed, promptly at the pump water in-process, need regularly clear up the filter bowl, and it is comparatively inconvenient to use.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides anti-clogging water pumping and filtering equipment for hydraulic engineering.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a hydraulic engineering prevents blockking up pump water filtration equipment, includes two apron, two one side symmetry that the apron is close to each other is rotated and is installed sealed crown plate, two install jointly between the sealed crown plate and strain a section of thick bamboo, one of them install the connecting pipe on the apron, two filter plates, two are installed to the inner wall symmetry of connecting pipe the common rotation is inserted and is equipped with the power shaft on the filter plate, the one end rotation that the filter plate was kept away from to the power shaft is inserted and is established on the apron of keeping away from the connecting pipe, lie in on the power shaft and install the impeller between two filter plates.
Preferably, two power gears are installed on the power shaft near the two cover plates, two positioning shafts are symmetrically inserted into one side, close to each other, of the cover plates, a transmission gear is installed on one side, close to the cover plates, of each positioning shaft, and a reversing disc is installed at one end, far away from the cover plates, of each positioning shaft.
Preferably, every the switching-over ring is all installed to the inner wall of seal ring board, every the annular equidistance has been seted up a plurality of commutations on the inner ring wall of switching-over ring and has been dialled the groove, every the outside of switching-over dish all is installed the switching-over and dials the tooth, the tooth is dialled with the switching-over and is dialled the groove cooperation.
Preferably, a fixing strip is installed between the two cover plates together, a plurality of cleaning needles are inserted into the fixing strip in an equidistant sliding mode, a synchronizing rod is installed at one end, far away from the filter cartridge, of each cleaning needle together, a cleaning spring is sleeved on each cleaning needle, and two ends of each cleaning spring are fixed to the fixing strip and the synchronizing rod respectively.
Preferably, a plurality of filter holes are equidistantly formed in the filter cylinder, a plurality of cleaning needles correspond to one row of the filter holes one by one, and the diameter of each cleaning needle is smaller than that of each filter hole.
Preferably, the equidistance rotates on the synchronizing bar and overlaps and be equipped with a plurality of squeeze rolls, a plurality of extrusion cams are installed to the equidistance on the power shaft, and are a plurality of the tight contact of a plurality of squeeze rolls of extrusion cam difference.
Preferably, every the apron all installs the commentaries on classics in the one side of keeping away from the power shaft and has the go-between, every all install a plurality of connecting plates, a plurality of in the equal annular equidistance on the go-between the ring the support ring is installed jointly to the one end that the go-between was kept away from to the connecting plate.
Preferably, two oblique inserting plates are jointly installed between the two cover plates, the two oblique inserting plates are in sealing sliding contact with the sealing ring plate and the outer wall of the filter cylinder, and the distance between the two oblique inserting plates and the side, close to the filter cylinder, of the filter cylinder is smaller than the distance between the two oblique inserting plates and the side, far away from the filter cylinder, of the filter cylinder.
The invention has the following beneficial effects:
1. when water flows from the connecting pipe, directional water flows pass through the impeller to enable the impeller to rotate directionally, the power shaft is enabled to rotate directionally, the extrusion cam is enabled to rotate by rotation of the power shaft, the rotating extrusion cam enables the synchronous rod to be matched with the cleaning spring to continuously push the cleaning needle to be inserted into the filter hole through matching with the extrusion roller, dirt which is extruded by directional water pressure in the filter hole is pressed, the anti-blocking function of the filter hole is achieved, and the phenomenon that the water pump amount is reduced due to the fact that the filter hole is blocked or the dirt is forcedly sucked into the water pumping pipe to block the water pumping pipe or damage the water pump is avoided.
2. When the power shaft rotates directionally, the power gear rotates along with the power gear, the power gear enables the positioning shaft to rotate directionally through matching with the transmission gear, the rotating positioning shaft enables the reversing disc to rotate directionally, the reversing disc enables the sealing ring plate to rotate directionally through matching of the reversing shifting teeth and the reversing shifting grooves, the rotating sealing ring plate enables the filter cartridge to rotate, the power shaft rotates for one circle to enable the positioning shaft to rotate for one circle, the reversing disc enables the sealing ring plate to be shifted through the reversing shifting teeth and the reversing shifting grooves and the filter cartridge to rotate for a fixed angle, the cam is extruded to rotate for one circle, the cleaning needles stretch out and draw back once to clean filter holes, namely, the filter cartridge rotates for one fixed angle to clean all the filter holes in the filter cartridge, the filter holes are further prevented from being blocked, the cleaning needles do not need to be arranged at each filter hole, and the structure is simplified.
3. When the cleaning needle stretches into the filtration pore and extrudes stains in the filtration pore, the filtration pore is blocked at the moment, the two inclined insertion plates are symmetrical relative to the fixing strip, the filtration pore blocked by the cleaning needle loses the suction force on water, the suction force between the two inclined insertion plates disappears, the suction force of the rest filtration pores still exists, the water flows to the rest filtration pores, the water flow at the two inclined insertion plates drives the stains extruded in the filtration pore at the inclined insertion plates to the rest filtration pores, and the rest filtration pores are blocked by the two inclined insertion plates, so that the stains can be driven outwards by the water flow to keep away from the filtration cylinder, the blockage prevention is realized, the stains are prevented from being extruded and then sucked again, and the blockage prevention reliability is improved.
In conclusion, the directional water flow pumped by the water pump is matched with the impeller to provide power for the directional rotation of the power shaft, the cleaning needles repeatedly stretch and retract to enter and exit from the filter holes to discharge dirt through the matching between the extrusion cam and the extrusion roller, and the filter cartridges intermittently rotate to enable each row of filter holes to be rotated to the positions of the cleaning needles and the inclined insertion plates one by one to be cleaned through the matching between the reversing disc and the reversing ring, so that the structure is simplified while the filtering and anti-blocking are realized, and the anti-blocking reliability is higher.
Drawings
FIG. 1 is a schematic perspective view of an anti-clogging water pump filtration device for hydraulic engineering according to the present invention;
FIG. 2 is a cross-sectional view of a hydraulic engineering anti-clogging water pumping filtration apparatus according to the present invention;
FIG. 3 is an enlarged view of a reversing ring part of the anti-clogging water pumping and filtering device for hydraulic engineering, which is provided by the invention;
FIG. 4 is an enlarged view taken at A in FIG. 1;
FIG. 5 is an enlarged view of FIG. 1 at B;
FIG. 6 is an enlarged view of a portion of an extrusion cam of the anti-clogging water pumping and filtering device for hydraulic engineering according to the present invention;
fig. 7 is an enlarged view of a part of a cleaning needle of the anti-clogging water pumping and filtering device for hydraulic engineering.
In the figure: the device comprises a cover plate 1, an inclined inserting plate 11, a positioning shaft 2, a transmission gear 21, a reversing disc 22, reversing shifting teeth 221, a sealing ring plate 3, a reversing ring 31, a reversing shifting groove 311, a filter cartridge 4, a filter hole 41, a connecting pipe 5, a filter plate 51, a power shaft 6, a power gear 61, an extrusion cam 62, an impeller 63, a fixing strip 7, a cleaning needle 71, a synchronizing rod 72, a cleaning spring 73, an extrusion roller 74, a connecting ring 8, a connecting plate 81 and a supporting ring 82.
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.
Referring to fig. 1-7, a hydraulic engineering anti-clogging pump water filtering device comprises two cover plates 1, sealing ring plates 3 are symmetrically and rotatably installed on one sides, close to each other, of the two cover plates 1, a filter cylinder 4 is jointly installed between the two sealing ring plates 3, a connecting pipe 5 is installed on one of the cover plates 1, two filter plates 51 are symmetrically installed on the inner wall of the connecting pipe 5, a power shaft 6 is inserted on the two filter plates 51 in a rotating mode, one end, far away from the filter plates 51, of the power shaft 6 is inserted on the cover plate 1, far away from the connecting pipe 5, in a rotating mode, and an impeller 63 is installed between the two filter plates 51 on the power shaft 6.
Two power gears 61 are installed on the power shaft 6 close to the two cover plates 1, two positioning shafts 2 are symmetrically inserted into one side of each cover plate 1 close to each other in a rotating mode, a transmission gear 21 is installed on one side of each positioning shaft 2 close to the cover plate 1, and a reversing disc 22 is installed at one end, far away from the cover plate 1, of each positioning shaft 2.
The inner wall of each sealing ring plate 3 is provided with a reversing ring 31, the inner annular wall of each reversing ring 31 is provided with a plurality of reversing shifting grooves 311 at equal intervals in an annular shape, the outer side of each reversing disc 22 is provided with a reversing shifting tooth 221, the reversing shifting tooth 221 is matched with the reversing shifting grooves 311, the number of the reversing shifting grooves 311 is consistent with the number of the filter holes 41, and the rotating angle between every two adjacent reversing shifting grooves 311 is consistent with the rotating angle between every two adjacent filter holes 41.
Install the fixed strip 7 between two apron 1 jointly, equidistant slip inserts and is equipped with a plurality of cleaning needles 71 on fixed strip 7, and the synchronizing bar 72 is installed jointly to the one end that a plurality of cleaning needles 71 keep away from filter cartridge 4, all overlaps on every cleaning needle 71 to be equipped with cleaning spring 73, and the both ends of every cleaning spring 73 are equallyd divide and are fixed respectively on fixed strip 7 and synchronizing bar 72.
The filter cartridge 4 is provided with a plurality of filter holes 41 at equal intervals, a plurality of cleaning needles 71 correspond to one row of the filter holes 41, and the diameter of each cleaning needle 71 is smaller than that of each filter hole 41.
A plurality of squeezing rollers 74 are sleeved on the synchronous rod 72 in an equidistant rotating mode, a plurality of squeezing cams 62 are installed on the power shaft 6 in an equidistant mode, and the squeezing rollers 74 of the squeezing cams 62 are in tight contact with each other.
Every apron 1 all ann changes the go-between 8 in the one side of keeping away from power shaft 6, and a plurality of connecting plates 81 are installed to the equal annular equidistance on every go-between 8, and the support ring 82 is installed jointly to the one end that go away from go-between 8 to a plurality of connecting plates 81.
Two inclined insertion plates 11 are jointly installed between the two cover plates 1, the two inclined insertion plates 11 are in sealing sliding contact with the sealing ring plate 3 and the outer wall of the filter cartridge 4, the distance between the two inclined insertion plates 11 and the side close to the filter cartridge 4 is smaller than the distance between the two inclined insertion plates 11 and the side far away from the filter cartridge 4, and the two inclined insertion plates 11 are symmetrical relative to the fixing strip 7, namely a plurality of cleaning needles 71 are positioned on the center lines of the two inclined insertion plates 11.
When the water-pumping-filtering device is used, the water pumping pipe of the water pump is connected with the connecting pipe 5, then the water pump is started, the suction force of the water pump enables water flow to flow into the filter cartridge 4 through the filter holes 41 and flow to the water pumping pipe in a directional mode through the connecting pipe 5, and the functions of pumping and filtering are achieved.
When water flows from the connecting pipe 5, directional water flows pass through the impeller 63 to enable the impeller 63 to rotate directionally, the power shaft 6 is enabled to rotate directionally, the power shaft 6 rotates to enable the extrusion cam 62 to rotate, the rotating extrusion cam 62 enables the synchronous rod 72 to be matched with the cleaning spring 73 to continuously push the cleaning needle 71 to be inserted into the filter hole 41 through matching with the extrusion roller 74, stains extruded by directional water pressure of the water flows in the filter hole 41 are enabled, the anti-blocking function of the filter hole 41 is achieved, and the situation that the filter hole 41 is blocked to reduce the water pumping quantity or the stains are forcedly sucked into a blocked water pumping pipe or damage the water pump is avoided.
When the power shaft 6 rotates directionally, the power gear 61 rotates along with the power gear 61, the power gear 61 enables the positioning shaft 2 to rotate directionally through matching with the transmission gear 21, the rotating positioning shaft 2 enables the reversing disc 22 to rotate directionally, the reversing disc 22 enables the sealing ring plate 3 to rotate directionally through matching of the reversing shifting teeth 221 and the reversing shifting grooves 311, the rotating sealing ring plate 3 enables the filter cartridge 4 to rotate, the power shaft 6 rotates for one circle to enable the positioning shaft 2 to rotate for one circle, the reversing disc 22 enables the sealing ring plate 3 and the filter cartridge 4 to rotate for one fixed angle through the reversing shifting teeth 221 and the reversing shifting grooves 311, the extrusion cam 62 rotates for one circle to enable the cleaning needles 71 to stretch and retract once to clean the filter holes 41, namely the filter cartridge 4 rotates for one fixed angle to clean once, so that all the filter holes 41 on the filter cartridge 4 are cleaned, the filter holes 41 are further prevented from being blocked, and the cleaning needles 71 do not need to be arranged at each filter hole 41, the structure is simplified.
When the cleaning needle 71 extends into the filtering holes 41 to extrude stains in the filtering holes 41, the filtering holes 41 are blocked, the two inclined inserting plates 11 are symmetrical relative to the fixing strip 7, the filtering holes 41 blocked by the cleaning needle 71 lose the suction force on water, so that the suction force between the two inclined inserting plates 11 disappears, the suction force of the rest filtering holes 41 still exists, the water flows to the rest filtering holes 41, the water flow at the two inclined inserting plates 11 drives the stains extruded in the filtering holes 41 at the inclined inserting plates 11 to the rest filtering holes 41, and the rest filtering holes 41 are blocked by the two inclined inserting plates 11, so that the stains can be driven outwards by the water flow to be far away from the filter cartridge 4, the blockage prevention is realized, the stains are prevented from being extruded and then sucked again, and the blockage prevention reliability is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (1)
1. The utility model provides a hydraulic engineering prevents blockking up pump water filtration equipment, includes two apron (1), its characterized in that, two one side symmetry that apron (1) is close to each other is rotated and is installed sealed crown plate (3), installs jointly between two sealed crown plate (3) and strain a section of thick bamboo (4), one of them install connecting pipe (5) on apron (1), two filter plates (51) are installed to the inner wall symmetry of connecting pipe (5), rotate jointly on two filter plates (51) and insert and be equipped with power shaft (6), the one end rotation that power shaft (6) kept away from filter plate (51) is inserted and is established on apron (1) far away from connecting pipe (5), it installs impeller (63) to lie in between two filter plates (51) on power shaft (6);
a fixing strip (7) is installed between the two cover plates (1) together, a plurality of cleaning needles (71) are inserted into the fixing strip (7) in an equidistant sliding mode, a synchronizing rod (72) is installed at one end, far away from the filter cartridge (4), of each cleaning needle (71) together, a cleaning spring (73) is sleeved on each cleaning needle (71), and two ends of each cleaning spring (73) are fixed to the fixing strip (7) and the synchronizing rod (72) respectively;
a plurality of filter holes (41) are formed in the filter cylinder (4) at equal intervals, a plurality of cleaning needles (71) correspond to one row of the filter holes (41) one by one, and the diameter of each cleaning needle (71) is smaller than that of each filter hole (41);
a plurality of extrusion rollers (74) are sleeved on the synchronous rod (72) in an equidistance rotating manner, a plurality of extrusion cams (62) are installed on the power shaft (6) in an equidistance manner, and the extrusion cams (62) are respectively abutted against and contacted with the extrusion rollers (74);
a connecting ring (8) is rotatably arranged on one side, away from the power shaft (6), of each cover plate (1), a plurality of connecting plates (81) are annularly and equidistantly arranged on each connecting ring (8), and a support ring (82) is jointly arranged at one end, away from the connecting ring (8), of each connecting plate (81);
two inclined insertion plates (11) are jointly installed between the two cover plates (1), the two inclined insertion plates (11) are in sealing sliding contact with the sealing ring plate (3) and the outer wall of the filter cylinder (4), the distance between the two inclined insertion plates (11) and the side close to the filter cylinder (4) is smaller than the distance between the two inclined insertion plates and the side far away from the filter cylinder (4), the two inclined insertion plates (11) are symmetrical relative to the fixing strip (7), namely a plurality of cleaning needles (71) are located on the center lines of the two inclined insertion plates (11);
two power gears (61) are mounted on the power shaft (6) close to the two cover plates (1), two positioning shafts (2) are symmetrically inserted into one side of the two cover plates (1) close to each other in a rotating mode, a transmission gear (21) is mounted on one side of each positioning shaft (2) close to the cover plates (1), and a reversing disc (22) is mounted at one end, far away from the cover plates (1), of each positioning shaft (2);
every switching-over ring (31), every are all installed to the inner wall of seal ring board (3) the annular equidistance has been seted up a plurality of commutations on the inner annular wall of switching-over ring (31) and has been dialled groove (311), every the outside of switching-over dish (22) is all installed the switching-over and is dialled tooth (221), the switching-over is dialled tooth (221) and the cooperation of groove (311) is dialled in the switching-over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110221624.6A CN112957797B (en) | 2021-02-27 | 2021-02-27 | Hydraulic engineering prevents blockking up pump water filtration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110221624.6A CN112957797B (en) | 2021-02-27 | 2021-02-27 | Hydraulic engineering prevents blockking up pump water filtration equipment |
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| Publication Number | Publication Date |
|---|---|
| CN112957797A CN112957797A (en) | 2021-06-15 |
| CN112957797B true CN112957797B (en) | 2022-09-06 |
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| CN202110221624.6A Active CN112957797B (en) | 2021-02-27 | 2021-02-27 | Hydraulic engineering prevents blockking up pump water filtration equipment |
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| CN113713460B (en) * | 2021-09-03 | 2022-08-02 | 广东正升建筑有限公司 | Groundwater drainage equipment is built in room convenient to construction |
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| CN111437651A (en) * | 2020-04-29 | 2020-07-24 | 许春俤 | Filter equipment for water pollution treatment |
| CN212003562U (en) * | 2020-05-12 | 2020-11-24 | 鲁阳 | Water conservancy management water pump filter equipment that intakes |
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| CN112221257B (en) * | 2020-09-29 | 2022-04-22 | 江苏恒生环保科技有限公司 | Seamless cylindrical filter bag and manufacturing method thereof |
| CN112316525A (en) * | 2020-10-10 | 2021-02-05 | 安徽双发华德环保科技有限公司 | Integrated solid-liquid separation equipment |
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