CN114087197A - Double-suction pump capable of intercepting and discharging sundries - Google Patents
Double-suction pump capable of intercepting and discharging sundries Download PDFInfo
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- CN114087197A CN114087197A CN202111396454.1A CN202111396454A CN114087197A CN 114087197 A CN114087197 A CN 114087197A CN 202111396454 A CN202111396454 A CN 202111396454A CN 114087197 A CN114087197 A CN 114087197A
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- pump body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a double suction pump capable of intercepting and discharging sundries, wherein an oblique filter plate is arranged in a water inlet pipe, a first hole and a second hole are formed in the pipe wall of the water inlet pipe, the first hole and the second hole are both arranged on the same side of the oblique filter plate and are close to the pipe orifice of the water inlet pipe, a screen plate is arranged on the second hole, an annular hollow pipe is sleeved on the water inlet pipe, the annular hollow pipe is obliquely arranged and has the same angle with the oblique filter plate, two openings are formed in the inner wall of the annular pipe and respectively correspond to the first hole and the second hole, a first slag discharge port is formed in the outer wall of an annular notch, a third hole and a fourth hole are formed in the outer wall of a pump body, an arc outer sleeve is arranged on the pump body, the arc outer sleeve is wrapped on the pump body, and a second slag discharge port is formed in the arc outer sleeve. The first row of cinder notch is discharged, in time discharges debris, avoids the inside jam of inlet tube, and the inside debris of pump case are in time discharged to the second row of cinder notch, and clearance debris need not shut down when using and dismantle, practices thrift operating time, improves machining efficiency.
Description
The technical field is as follows:
the invention relates to the technical field of double-suction pumps, in particular to a double-suction pump capable of intercepting and discharging sundries.
Background art:
the double suction pump is an important form of the centrifugal pump, and is widely applied to engineering due to the characteristics of high lift, large flow and the like. This pump type impeller is actually made up of two back-to-back impellers, the water flow from the impellers merging into a volute. The double suction pump has the following characteristics: the single-suction impeller with the same diameter works simultaneously, and the flow can be doubled under the same impeller outer diameter; the pump shell is horizontally opened, so that the inspection and the maintenance are convenient, and meanwhile, the inlet and the outlet of the double-suction pump are in the same direction and are vertical to the pump shaft, so that the arrangement and the installation of the pump and the water inlet and outlet pipes are facilitated; the impeller structure of the double suction pump is symmetrical, no axial force exists, and the operation is stable.
When the existing double suction pump works, impurities contained in water flow enter a pump shell to cause abrasion of an impeller, the service life of the double suction pump is shortened, in addition, the impurities are difficult to take out after entering the pump shell, and the double suction pump needs to be shut down and disassembled for cleaning.
The invention content is as follows:
in view of the problems in the prior art, an object of the present invention is to provide a double suction pump capable of intercepting and discharging impurities.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a double suction pump capable of intercepting sundries and discharging the sundries comprises a pump body and a base, wherein an impeller is arranged in the pump body, a water inlet pipe and a water discharge pipe are respectively arranged on two sides of the pump body in a penetrating mode, and the base is supported at the bottoms of the water inlet pipe and the water discharge pipe;
the water inlet pipe is internally provided with an oblique filter plate, the pipe wall of the water inlet pipe is provided with a first hole and a second hole, the first hole and the second hole are arranged on the same side of the oblique filter plate and are close to the pipe orifice of the water inlet pipe, the closest point of the oblique filter plate to the pipe orifice of the water inlet pipe is the highest point, the farthest point of the oblique filter plate to the pipe orifice is the lowest point, the first hole is arranged at the position of the lowest point, the second hole is arranged at the position of the highest point, the second hole is provided with a screen plate, the water inlet pipe is sleeved with an annular hollow pipe, the annular hollow pipe is obliquely arranged and has the same angle with the oblique filter plate, the inner wall of the annular pipe is provided with two openings which respectively correspond to the first hole and the second hole, the outer wall of the annular notch is provided with a first slag discharge port, and the first slag discharge port is provided with an openable first cover plate;
the pump body outer wall is equipped with third hole and fourth hole, be equipped with the arc overcoat on the pump body, the arc overcoat parcel is on the pump body, be equipped with the second on the arc overcoat and arrange the cinder notch, be equipped with the second apron that can open on the second row cinder notch.
The further technology of the invention is as follows:
preferably, the jacket comprises a bottom plate and first side plates on four sides, a second side plate is arranged on the outer wall of the pump body, the second side plate wraps the left first side plate and the right first side plate of the jacket, the first side plates are hinged to a connecting plate in the front and the back of the jacket, the connecting plate is hinged to the outer wall of the pump body, and the first side plate, the second side plate, the bottom plate and the connecting plate form a sealed space.
Preferably, the outer wall of the pump body is hinged with an arc-shaped screen plate, the other end of the arc-shaped screen plate is hinged to the bottom plate of the outer sleeve, and the arc-shaped screen plate is hinged between the third hole and the fourth hole.
Preferably, first curb plate outer wall is equipped with first sealing strip, second curb plate inner wall is equipped with the second sealing strip, carry out double-deck sealing through first sealing strip and second sealing strip including the second curb plate wraps up first curb plate.
Preferably, the base is hinged with a hydraulic cylinder, a piston rod of the hydraulic cylinder is hinged to the bottom plate of the outer sleeve, and the piston rod is obliquely arranged.
Preferably, the bottom plate inner wall is equipped with the body of rod, and the body of rod top is equipped with the third apron, third apron seals third hole and the fourth hole of pump body outer wall.
Preferably, the third cover plate side wall is an inclined plane, the third hole and the fourth hole are horn holes, the outer part is small, the inner part is large, and the inclined plane of the third cover plate is overlapped with the third hole and the fourth hole wall.
Compared with the prior art, the invention has the beneficial effects that:
the water entering the double-suction pump is filtered by utilizing the oblique filter plate, impurities are left on the oblique filter plate, the annular sleeve is moved, the first hole and the second hole are communicated with the annular hollow pipe, the impurities on the oblique filter plate are under the impact of water flow and matched with the obliquely arranged filter plate to flush the impurities into the annular hollow pipe from the first hole, the water entering the annular hollow pipe circularly enters the water inlet pipe from the second hole, but the impurities are isolated by the mesh plate on the second hole and are left in the annular hollow pipe, the first slag outlet is used for discharging the impurities in time, the blockage in the water inlet pipe is avoided, the fine impurities entering the pump body generate strong centrifugal force under the rotation of the impeller, the impurities are thrown on the inner wall of the pump body and enter the jacket through the third hole, the arc-shaped mesh plate blocks the filtered water, the filtered water enters the pump body again from the fourth hole, and the impurities blocked by the arc-shaped mesh plate are discharged through the second slag outlet, the sundries in the pump shell are discharged in time, the sundries are cleaned without being stopped and disassembled when in use, the working time is saved, and the processing efficiency is improved.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic cross-sectional view of the arcuate jacket of the present invention;
FIG. 4 is a schematic sectional view of a water inlet pipe according to the present invention;
FIG. 5 is a schematic view of the third and fourth openings of the present invention;
FIG. 6 is a schematic view of a third and fourth orifice closure arrangement of the present invention;
wherein: 1. a pump body; 2. a base; 3. an impeller; 4. a water inlet pipe; 5. a drain pipe; 6. an oblique filter plate; 7. a first hole; 8. a second hole; 9. a screen plate; 10. an annular hollow tube; 11. an opening; 14. a first slag discharge port; 15. a third aperture; 16. a fourth aperture; 17. an arc-shaped outer sleeve; 18. a second slag discharge port; 19. a first cover plate; 20. a second cover plate; 21. a first side plate; 22. a second side plate; 23. a base plate; 24. connecting plates; 25. an arc-shaped screen plate; 26. a first seal strip; 27. a second seal strip; 28. a hydraulic cylinder; 29. a rod body; 30. a third cover plate; 31. an annular baffle; 32. an oblique baffle.
The specific implementation mode is as follows:
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific drawings.
The invention provides a double-suction pump capable of intercepting sundries and discharging the sundries, which comprises a pump body 1 and a base 2, wherein an impeller 3 is arranged in the pump body 1, a water inlet pipe 4 and a water discharge pipe 5 penetrate through two sides of the pump body 1 respectively, and the base 2 is supported at the bottoms of the water inlet pipe 4 and the water discharge pipe 5.
Example 1: an inclined filter plate 6 is arranged in the water inlet pipe 4, a first hole 7 and a second hole 8 are arranged on the pipe wall of the water inlet pipe 4, the first hole 7 and the second hole 8 are both arranged at the same side of the inclined filter plate 6, and is close to the pipe orifice of the water inlet pipe 4, the closest point of the oblique filter plate 6 to the pipe orifice of the water inlet pipe 4 is the highest point, the farthest point to the pipe orifice is the lowest point, the first hole 7 is arranged at the lowest point, the second hole 8 is arranged at the highest point, the second hole 8 is provided with a screen plate 9, the water inlet pipe 4 is sleeved with an annular hollow pipe 10, the annular hollow pipe 10 is obliquely arranged, and has the same angle with the inclined filter plate 6, the inner wall of the annular tube is provided with two openings 11 which respectively correspond to the first hole 7 and the second hole 8, a first slag discharge port 14 is formed in the outer wall of the annular notch, and an openable first cover plate 19 is arranged on the first slag discharge port 14;
the outer wall of the pump body 1 is provided with a third hole 15 and a fourth hole 16, the pump body 1 is provided with an arc outer sleeve 17, the arc outer sleeve 17 is wrapped on the pump body 1, the arc outer sleeve 17 is provided with a second slag discharge port 18, and the second slag discharge port 18 is provided with a second cover plate 20 capable of being opened.
Impurities are flushed into the annular hollow pipe 10 along with water from the first hole 7, the water entering the annular hollow pipe 10 circularly enters the water inlet pipe 4 from the second hole 8, but impurities are isolated by the net plate 9 on the second hole 8, are remained in the annular hollow pipe 10, are discharged through the first slag discharge port 14, and are discharged in time.
It should be noted that the orifice of the second hole 8 of the invention is provided with an annular baffle, and the arrangement of the annular baffle prevents water flow from directly rushing into the second hole 8 and impurities in the annular hollow tube 10 from being rushed out.
In the double suction pump of the invention, in the process of water suction, the inclined filter plate 6 is used for filtering water entering the double suction pump, sundries are left on the inclined filter plate 6, the first hole 7 and the second hole 8 are communicated with the annular hollow tube 10, the sundries on the inclined filter plate enter the annular hollow tube 10 under the impact of water flow, the water is cleaned after being accumulated and blocked relative to the sundries on the existing equal inclined filter plate 6, in effect, the sundries are collected continuously, the sundries enter the annular hollow tube 10 from the first hole 7, the water entering the double suction pump is filtered by the inclined filter plate 6, the sundries are left on the inclined filter plate 6, the sundries on the inclined filter plate 6 are continuously circulated under the impact of water flow, after the sundries are accumulated to a certain degree in the annular hollow tube 10, the first slag discharge port 14 is opened for discharging slag, strong centrifugal force is generated under the rotation of the impeller 3, and the sundries are thrown on the inner wall of the pump body 1, the filtered water enters the jacket through the third hole 15 and is blocked by the arc-shaped screen plate 25, the filtered water enters the pump body 1 again through the fourth hole 16, and impurities blocked by the arc-shaped screen plate 25 are discharged through the second slag discharging port 18.
It should be noted that the orifice of the second hole 8 of the present invention is provided with an annular baffle 24, and the annular baffle is arranged to prevent the water flow from directly rushing into the second hole 8 and to flush the impurities in the annular hollow tube 10 out.
Example 2: an inclined filter plate 6 is arranged in the water inlet pipe 4, a first hole 7 and a second hole 8 are arranged on the pipe wall of the water inlet pipe 4, the first hole 7 and the second hole 8 are both arranged at the same side of the inclined filter plate 6, and is close to the pipe orifice of the water inlet pipe 4, the closest point of the oblique filter plate 6 to the pipe orifice of the water inlet pipe 4 is the highest point, the farthest point to the pipe orifice is the lowest point, the first hole 7 is arranged at the lowest point position, the second hole 8 is arranged at the highest point position, the second hole 8 is provided with a screen plate 9, the water inlet pipe 4 is sleeved with an annular hollow pipe 10, the annular hollow pipe 10 is obliquely arranged, and has the same angle with the inclined filter plate 6, the inner wall of the annular tube is provided with two openings 11 which respectively correspond to the first hole 7 and the second hole 8, a first slag discharge port 14 is formed in the outer wall of the annular notch, and an openable first cover plate 19 is arranged on the first slag discharge port 14;
the outer wall of the pump body 1 is provided with a third hole 15 and a fourth hole 16, the pump body 1 is provided with an arc outer sleeve 17, the arc outer sleeve 17 is wrapped on the pump body 1, the arc outer sleeve 17 is provided with a second slag discharge port 18, and the second slag discharge port 18 is provided with a second cover plate 20 capable of being opened.
The outer sleeve comprises a bottom plate 23 and first side plates 21 on four sides, a second side plate 22 is arranged on the outer wall of the pump body 1, the second side plate 22 wraps the left and right first side plates 21 of the outer sleeve, the front and rear first side plates 21 of the outer sleeve are hinged to a connecting plate 24, the connecting plate 24 is hinged to the outer wall of the pump body 1, and the first side plate 21, the second side plate 22, the bottom plate 23 and the connecting plate 24 form a sealed space.
The outer wall of the pump body 1 is hinged with an arc-shaped screen plate 25, the other end of the arc-shaped screen plate 25 is hinged to the bottom plate 23 of the outer sleeve, and the arc-shaped screen plate 25 is hinged between the third hole 15 and the fourth hole 16.
The outer wall of the first side plate 21 is provided with a first sealing strip 26, the inner wall of the second side plate 22 is provided with a second sealing strip 27, and the second side plate 22 wraps the first side plate 21 to form double-layer sealing through the first sealing strip 26 and the second sealing strip 27.
A hydraulic cylinder 28 is hinged to the base 2, a piston rod of the hydraulic cylinder 28 is hinged to the bottom plate 23 of the outer sleeve, and the piston rod is obliquely arranged.
The inner wall of the bottom plate 23 is provided with a rod body 29, the top of the rod body 29 is provided with a third cover plate 30, and the third cover plate 30 seals a third hole 15 and a fourth hole 16 on the outer wall of the pump body 1.
The side wall of the third cover plate 30 is an inclined plane, the third hole 15 and the fourth hole 16 are horn holes, the outer part is small, the inner part is large, and the inclined plane of the third cover plate 30 is overlapped with the third hole 15 and the fourth hole 16.
The inner wall of the pump body 1 is provided with an oblique baffle 32, and the oblique baffle 32 is arranged at the hole edges of the third hole 15 and the fourth hole 16.
According to the invention, the piston rod of the hydraulic cylinder 28 is pushed to the maximum extent, the third hole 15 and the fourth hole 16 are sealed by the third cover plate 30, the piston rod of the hydraulic cylinder 28 is contracted, the jacket is pulled to move outwards, the first sealing strip 26 and the second sealing strip 27 are sealed in a double-layer manner, the first side plate 21 and the second side plate 22 are still connected and sealed, and meanwhile, the connecting plates 24 hinged to the side plates on the front side and the rear side of the jacket ensure that the connecting plates 24 are sealed with the second side plate 22 when the jacket is pulled outwards, so that the jacket is watertight.
Example 3: the first hole 7, the second hole 8 and the annular hollow tube 10 are communicated with each other, the motor of the double-suction pump is started, the motor drives the impeller 3 of the double-suction pump to work, the water inlet tube 4 generates suction, water enters from the water inlet tube 4, passes through the oblique filter plate 6, impurities are blocked and intercepted under the interception of the oblique filter plate 6, meanwhile, water flow impacts the oblique filter plate 6, the impurities are impacted to the lowest part of the oblique filter plate, the impurities are prevented from being intercepted but still exist on the filter plate and cause blockage, the water absorption capacity of the double-suction pump is influenced, the impurities are flushed into the annular hollow tube 10 from the first hole 7, the water entering the annular hollow tube 10 circularly enters the water inlet tube 4 from the second hole 8, but the impurities are isolated by the screen plate 9 on the second hole 8 and stay in the annular hollow tube 10, as the pump suction force is larger, fine impurities can enter the pump body 1 in actual application, and the impurities entering the pump body 1 are under the action of centrifugal force, slide to slant baffle department along 1 inner wall of the pump body, to this, 1 inner wall debris clearance mechanism of the pump body has been add, drive piston rod pulling arc overcoat 17 through pneumatic cylinder 28 and remove, the overcoat outwards pulls under arc otter board 25's effect, first sealing strip 26 and second sealing strip 27 carry out under the double-deck is sealed, first curb plate 21 and second curb plate 22 are still connected sealedly, and simultaneously, when the overcoat outwards pulls is guaranteed to the curb plate articulated even board 24 of both sides around the overcoat, even board 24 is sealed with second curb plate 22, the overcoat is water-tight. The third cover plate 30 is separated from the third hole 15 and the fourth hole 16 to form an opening 11, sundries blocked by the inclined baffle plate enter from the third hole 15 and enter into the jacket under the impact of water, the arc-shaped screen plate 25 blocks the water, the filtered water enters into the pump body 1 again from the fourth hole 16, the sundries blocked by the arc-shaped screen plate 25 are discharged through the second slag discharge port 18, after slag discharge, the hydraulic cylinder 28 is started again to push the piston rod to extend out, the jacket is pushed inwards, the third hole 15 and the fourth hole 16 are sealed by the third cover plate 30, and water flow in the pump body 1 is not influenced.
It is worth mentioning that: motor and pneumatic cylinder pass through PLC remote control module, realize control to it, because the equipment that PLC remote control module matches is equipment commonly used, belongs to current mature technology, no longer gives unnecessary here its electric connection relation and specific circuit structure.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a can intercept debris and exhaust double entry pump which characterized in that: the pump comprises a pump body and a base, wherein an impeller is arranged in the pump body, a water inlet pipe and a water drain pipe are respectively arranged on two sides of the pump body in a penetrating manner, and the base is supported at the bottoms of the water inlet pipe and the water drain pipe;
the water inlet pipe is internally provided with an oblique filter plate, the pipe wall of the water inlet pipe is provided with a first hole and a second hole, the first hole and the second hole are arranged on the same side of the oblique filter plate and are close to the pipe orifice of the water inlet pipe, the closest point of the oblique filter plate to the pipe orifice of the water inlet pipe is the highest point, the farthest point of the oblique filter plate to the pipe orifice is the lowest point, the first hole is arranged at the position of the lowest point, the second hole is arranged at the position of the highest point, the second hole is provided with a screen plate, the water inlet pipe is sleeved with an annular hollow pipe, the annular hollow pipe is obliquely arranged and has the same angle with the oblique filter plate, the inner wall of the annular pipe is provided with two openings which respectively correspond to the first hole and the second hole, the outer wall of the annular notch is provided with a first slag discharge port, and the first slag discharge port is provided with an openable first cover plate;
the pump body outer wall is equipped with third hole and fourth hole, be equipped with the arc overcoat on the pump body, the arc overcoat parcel is on the pump body, be equipped with the second on the arc overcoat and arrange the cinder notch, be equipped with the second apron that can open on the second row cinder notch.
2. A double suction pump for intercepting foreign matters and discharging them according to claim 1, wherein: the outer sleeve comprises a bottom plate and first side plates on four sides, a second side plate is arranged on the outer wall of the pump body, the second side plate wraps the left first side plate and the right first side plate of the outer sleeve, the first side plates are hinged to a connecting plate in the front and the back of the outer sleeve, the connecting plate is hinged to the outer wall of the pump body, and the first side plates, the second side plates, the bottom plate and the connecting plate form a sealed space.
3. A double suction pump for intercepting foreign matters and discharging them according to claim 2, wherein: the pump body outer wall articulates there is the arc otter board, the arc otter board other end articulates on the bottom plate of overcoat, the arc otter board articulates between third hole and fourth hole.
4. A double suction pump for intercepting foreign matters and discharging them according to claim 3, wherein: the first side plate outer wall is provided with a first sealing strip, the second side plate inner wall is provided with a second sealing strip, and the second side plate wraps the first side plate to form double-layer sealing through the first sealing strip and the second sealing strip.
5. A double suction pump for intercepting foreign matters and discharging them according to claim 3, wherein: the base is hinged with a hydraulic cylinder, a piston rod of the hydraulic cylinder is hinged to the bottom plate of the outer sleeve, and the piston rod is arranged in an inclined mode.
6. A double suction pump for intercepting foreign matters and discharging them according to claim 3, wherein: the bottom plate inner wall is equipped with the body of rod, and body of rod top is equipped with the third apron, the third hole and the fourth hole of third apron closed pump body outer wall.
7. A double suction pump for intercepting foreign matters and discharging them according to claim 6, wherein: the side wall of the third cover plate is an inclined plane, the third hole and the fourth hole are horn holes, the outer part is small, the inner part is large, and the inclined plane of the third cover plate is overlapped with the third hole and the fourth hole wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111396454.1A CN114087197A (en) | 2021-11-23 | 2021-11-23 | Double-suction pump capable of intercepting and discharging sundries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111396454.1A CN114087197A (en) | 2021-11-23 | 2021-11-23 | Double-suction pump capable of intercepting and discharging sundries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114087197A true CN114087197A (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111396454.1A Pending CN114087197A (en) | 2021-11-23 | 2021-11-23 | Double-suction pump capable of intercepting and discharging sundries |
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| Country | Link |
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| CN (1) | CN114087197A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624435A (en) * | 2023-04-18 | 2023-08-22 | 烟台龙港泵业股份有限公司 | Back flushing central liquid outlet submerged pump and vertical cylinder bag pump |
-
2021
- 2021-11-23 CN CN202111396454.1A patent/CN114087197A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624435A (en) * | 2023-04-18 | 2023-08-22 | 烟台龙港泵业股份有限公司 | Back flushing central liquid outlet submerged pump and vertical cylinder bag pump |
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