CN112855556A - Multistage cutting and grinding sewage pump - Google Patents
Multistage cutting and grinding sewage pump Download PDFInfo
- Publication number
- CN112855556A CN112855556A CN202110174083.6A CN202110174083A CN112855556A CN 112855556 A CN112855556 A CN 112855556A CN 202110174083 A CN202110174083 A CN 202110174083A CN 112855556 A CN112855556 A CN 112855556A
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- cutting
- pump body
- sewage pump
- grinding
- shaped notch
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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
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2288—Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating
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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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
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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 discloses a multistage cutting and grinding sewage pump, which comprises a sewage pump body and a water inlet base positioned at the bottom of the sewage pump body, wherein the water inlet base is arranged at the bottom of the sewage pump body, the sewage pump body and the water inlet base are fixedly connected through a second bolt, the sewage pump body and the water inlet base are convenient to disassemble and maintain through the second bolt, a connecting sheet is arranged at the lower end of a rotating shaft and is connected with a cutting device through a first bolt, the cutting device is positioned in a water inlet, impurities such as more impurities, silt, plastic bags, long fibers and the like in a sewage medium are primarily cut through the matching of a mounting disc and a cutting blade in the cutting device, so that the impurities are reduced and enter the interior of the sewage pump body, the larger impurities are prevented from entering the sewage pump body, and the connecting sheet and the cutting device are fixedly connected through the first bolt, the cutting device is convenient to maintain and replace through the first bolt.
Description
Technical Field
The invention belongs to the technical field of sewage pumps, and particularly relates to a multistage cutting and grinding sewage pump.
Background
The sewage pump is a pump product which is connected with a motor and simultaneously submerged into liquid for working, compared with a common horizontal pump or a vertical sewage pump, the sewage pump has the advantages of compact structure, small occupied area, convenient installation and maintenance, long continuous operation time, no problems of cavitation damage, irrigation and water diversion and the like, great convenience for operators, low vibration noise, low motor temperature rise and no pollution to the environment, is generally provided with an automatic coupling device for automatic installation, is improved on the basis of the sewage pump, generally comprises a sewage pump body, an impeller arranged in the sewage pump body and a motor fixed on the sewage pump body, the front end of the motor extends into the sewage pump body and is connected with the impeller, the internal channel is larger compared with a drainage pump, and the sewage pump body and the impeller are both made of wear-resistant materials, when the sewage pump works, the impeller rotates at a high speed to form vacuum in the pump body of the sewage pump, so that sewage is discharged.
Current dredge pump, usually through set up cutting device at the entrance point or come cutting and grinding debris through the rotatory mode of cutting of blade, but mostly only single-stage cutting function, the cutting effect is poor, when containing more impurity in the sewage medium of carrying, silt, plastic bag, impurity such as long fiber, blade or main shaft are twined very easily, cause the motor to block up, burn out or the jam of pipeline and pump, seriously influence the normal work and the life of dredge pump, for this we propose multistage cutting grinding dredge pump and solve the problem that exists among the prior art.
Disclosure of Invention
The invention aims to provide a multistage cutting and grinding sewage pump, which can improve the condition that the normal work and the service life of the sewage pump are seriously influenced because a blade or a main shaft is easily wound when a conveyed sewage medium contains more impurities, silt, plastic bags, long fibers and the like, and the motor is blocked and burnt or a pipeline and the pump are blocked, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the multi-stage cutting grinding sewage pump comprises a sewage pump body and a water inlet base positioned at the bottom of the sewage pump body, wherein the sewage pump body and the water inlet base are fixedly connected through a second bolt, a water inlet communicated with the interior of the sewage pump body is formed in the water inlet base, a water outlet is formed in one side of the sewage pump body, a driving motor is fixedly installed at the upper end of the sewage pump body through a motor installation base, one end of an output shaft of the driving motor is fixedly connected with a rotating shaft through a shaft coupling, an impeller is fixedly sleeved on the outer wall of the rotating shaft, a crushing device is arranged below the impeller and fixedly connected with the rotating shaft, a fixed supporting rod for supporting the rotating shaft is arranged on the inner wall of the sewage pump body and is rotatably connected with the rotating shaft, and a cutting disc is fixedly sleeved on the outer wall of the rotating shaft, the cutting disc is located above the water inlet, a connecting sheet is fixedly welded at the bottom of the rotating shaft, a cutting device is fixedly connected to the connecting sheet through a first bolt, and the cutting device is located inside the water inlet.
Preferably, two sets of connecting blocks are symmetrically installed on the two sides of the lower end of the sewage pump body, second threaded through holes are formed in the connecting blocks, two sets of second threaded blind holes corresponding to the second threaded through holes are symmetrically formed in the upper end of the water inlet base, and one end of each second bolt penetrates through the corresponding second threaded through hole and is connected to the inside of the corresponding second threaded blind hole.
Preferably, the upper end of the sewage pump body is embedded with a first rotating bearing, the first rotating bearing is a sealing bearing, and one end of the output shaft of the driving motor is fixedly inserted into an inner ring of the first rotating bearing.
Preferably, the crushing device comprises a crushing wheel and crushing blades, wherein the crushing blades are not less than six groups, and the six groups of crushing blades are arranged on the outer wall of the crushing wheel in an annular array.
Preferably, the two ends of the fixed support rod are respectively connected and fixed with the inner wall of the sewage pump body, and the fixed support rod is embedded with a second rotating bearing for the rotating shaft to penetrate through.
Preferably, the cutting disc includes the cutting wheel, interior arc incision and outer arc incision have been seted up on the cutting wheel, interior arc incision and outer arc incision all are the annular array setting, interior arc incision is located outer arc incision's inboard.
Preferably, the widths from one end of the inner arc-shaped notch to the other end of the outer arc-shaped notch are gradually decreased, and the cutting directions of the inner arc-shaped notch and the outer arc-shaped notch are the same.
Preferably, cutting device includes mounting disc and cutting blade, cutting blade is provided with three groups, three groups cutting blade is installed on the outer wall of mounting disc in annular array.
Preferably, four groups of first threaded through holes are symmetrically formed in the upper end of the connecting piece, first threaded blind holes corresponding to the four groups of first threaded through holes are formed in the upper end of the mounting disc, and one end of the first bolt penetrates through the first threaded through holes and is connected to the inside of the first threaded blind holes.
Preferably, a motor protective shell is arranged on the outer side of the servo driving motor, and the lower end of the motor protective shell is fixedly connected with the upper end of the sewage pump body.
The invention has the technical effects and advantages that: compared with the prior art, the multistage cutting and grinding sewage pump provided by the invention has the following advantages:
1. the invention is convenient to disassemble and maintain the sewage pump body and the water inlet base through the second bolt by arranging the water inlet base at the bottom of the sewage pump body and connecting and fixing the sewage pump body and the water inlet base through the second bolt, by installing the connecting piece at the lower end of the rotating shaft, the connecting piece is connected with the cutting device through the first bolt, and the cutting device is positioned in the water inlet, the sewage medium containing more impurities, silt, plastic bags, long fibers and other impurities is primarily cut by matching the mounting disc and the cutting blade in the cutting device, so that the impurities are reduced and enter the interior of the sewage pump body, the larger impurities are prevented from entering the sewage pump body, the winding of the impurities and the blockage of the sewage pump body are prevented, the connecting sheet and the cutting device are fixedly connected through the first bolt, so that the cutting device is convenient to maintain and replace through the first bolt;
2. the invention is characterized in that a cutting disc is arranged above a water inlet, an inner arc-shaped notch and an outer arc-shaped notch which are arranged on the cutting disc are driven to rotate by the rotation of a cutting wheel in the cutting disc, impurities in the cutting device are cut again by the rotation of the inner arc-shaped notch and the outer arc-shaped notch, so that the impurities in the sewage are cut to a shorter length, a crushing device which is arranged below an impeller is matched, the impurities in the sewage are crushed by a crushing wheel and a crushing blade in the crushing device, the motor load can be effectively reduced and the energy consumption can be reduced when the impeller works by the matching of the cutting disc and the crushing device, the impurities can be cut and ground to a certain extent by arranging the cutting device at an inlet end or by the rotation cutting of the blades on the conventional sewage pump, but most of the conventional sewage pump only has a single-stage cutting function and has poor cutting effect, and when the conveyed, When impurities such as sludge, plastic bags, long fibers and the like exist, the blades or the main shaft are easily wound, so that the motor is blocked and burnt or a pipeline and a pump are blocked, and the normal work and the service life of the sewage pump are seriously influenced.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic top view of the crushing apparatus according to the present invention;
FIG. 3 is a schematic top view of the cutting plate of the present invention;
FIG. 4 is an enlarged schematic view of FIG. 1 at A according to the present invention;
FIG. 5 is a schematic top view of the cutting device of the present invention;
fig. 6 is a schematic structural diagram of the present invention.
In the figure: 1. a dredge pump body; 2. a water inlet base; 3. a water inlet; 4. a drive motor; 5. a first rotating bearing; 6. a coupling; 7. a rotating shaft; 8. an impeller; 9. a crushing device; 901. a grinding wheel; 902. a crushing blade; 10. fixing the support rod; 11. a second rotary bearing; 12. cutting the disc; 121. a cutting wheel; 122. an inner arc-shaped notch; 123. an outer arcuate cut; 13. connecting sheets; 14. a first threaded through hole; 15. a cutting device; 151. mounting a disc; 152. a cutting blade; 16. a first threaded blind hole; 17. a first bolt; 18. connecting blocks; 19. a second bolt; 20. a water outlet; 21. a motor protection shell; 22. a second threaded through hole; 23. a second threaded blind bore.
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. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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.
The invention provides a multi-stage cutting and grinding sewage pump as shown in figures 1-6, which comprises a sewage pump body 1 and a water inlet base 2 positioned at the bottom of the sewage pump body 1, wherein the sewage pump body 1 and the water inlet base 2 are fixedly connected through a second bolt 19, the water inlet base 2 is provided with a water inlet 3 communicated with the interior of the sewage pump body 1, two groups of connecting blocks 18 are symmetrically arranged at two sides of the lower end of the sewage pump body 1, the connecting blocks 18 are provided with second threaded through holes 22, the upper end of the water inlet base 2 is symmetrically provided with two groups of second threaded blind holes 23 corresponding to the second threaded through holes 22, one end of the second bolt 19 penetrates through the second threaded through holes 22 and is connected to the interior of the second threaded blind holes 23, and the sewage pump body 1 and the water inlet base 2 are convenient to be detached and maintained through the second bolt 19;
a water outlet 20 is formed in one side of the sewage pump body 1, a driving motor 4 is fixedly mounted at the upper end of the sewage pump body 1 through a motor mounting seat, one end of an output shaft of the driving motor 4 is fixedly connected with a rotating shaft 7 through a coupler 6, a first rotating bearing 5 is embedded in the upper end of the sewage pump body 1, the first rotating bearing 5 is set as a sealing bearing, one end of the output shaft of the driving motor 4 is fixedly inserted into an inner ring of the first rotating bearing 5, a motor protecting shell 21 is arranged on the outer side of the servo driving motor 4, the lower end of the motor protecting shell 21 is fixedly connected with the upper end of the sewage pump body 1, the driving motor 4 is set as a servo driving motor, the driving motor 4 is conveniently protected through the motor protecting shell 21, and the output shaft of the;
the impeller 8 is fixedly sleeved on the outer wall of the rotating shaft, the crushing device 9 is arranged below the impeller 8, the crushing device 9 is fixedly connected with the rotating shaft 7, the crushing device 9 comprises a crushing wheel 901 and crushing blades 902, the crushing blades 902 are not less than six groups, and the six groups of crushing blades 902 are arranged on the outer wall of the crushing wheel 901 in an annular array mode, so that dirt and impurities can be conveniently crushed through the crushing wheel 901 and the crushing blades 902 in the crushing device 9, the motor load can be effectively reduced when the impeller 8 works, and the energy consumption is reduced;
the inner wall of the sewage pump body 1 is provided with a fixed support rod 10 for supporting the rotating shaft 7, the fixed support rod 10 is rotatably connected with the rotating shaft 7, two ends of the fixed support rod 10 are respectively connected and fixed with the inner wall of the sewage pump body 1, and a second rotating bearing 11 for the rotating shaft 7 to penetrate through is embedded in the fixed support rod 10, so that the fixed support rod 10 can conveniently support the rotating shaft 7 when rotating;
the outer wall of the rotating shaft 7 is fixedly sleeved with a cutting disc 12, the cutting disc 12 is positioned above the water inlet 3, the cutting disc 12 comprises a cutting wheel 121, the cutting wheel 121 is provided with an inner arc-shaped notch 122 and an outer arc-shaped notch 123, the inner arc-shaped notch 122 and the outer arc-shaped notch 123 are arranged in an annular array, the inner arc-shaped notch 122 is positioned at the inner side of the outer arc-shaped notch 123, the widths from one end to the other end of the inner arc-shaped notch 122 and the outer arc-shaped notch 123 are gradually decreased, the cutting directions of the inner arc-shaped notch 122 and the outer arc-shaped notch 123 are arranged in the same way, so that the rotation of the rotating shaft 7 drives the inner arc-shaped notch 122 and the outer arc-shaped notch 123 arranged on the cutting wheel 121 to rotate, the cutting directions of the inner arc-shaped notch 122 and the outer arc-shaped notch 123 are both rotated from one end with large width to one end with small width, further cutting the dirt and impurities entering the sewage pump body 1 to a shorter length;
the bottom of the rotating shaft 7 is fixedly welded with a connecting piece 13, the connecting piece 13 is fixedly connected with a cutting device 15 through a first bolt 17, the cutting device 15 is positioned inside the water inlet 3, the cutting device 15 comprises a mounting disc 151 and cutting blades 152, three groups of cutting blades 152 are arranged, the three groups of cutting blades 152 are arranged on the outer wall of the mounting disc 151 in an annular array manner, four groups of first threaded through holes 14 are symmetrically formed in the upper end of the connecting piece 13, first threaded blind holes 16 corresponding to the four groups of first threaded through holes 14 are formed in the upper end of the mounting disc 151, one end of the first bolt 17 penetrates through the first threaded through holes 14 to be connected inside the first threaded blind holes 16, so that the impurities such as more impurities, sludge, plastic bags, long fibers and the like in the sewage medium can be conveniently cut through the matching of the mounting disc 151 and the cutting blades 152 in the cutting device 15, prevent that great impurity from getting into the dredge pump body 1, prevent that debris winding and cause the dredge pump body 1 blocking phenomenon to take place, can be connected fixedly through first bolt 17 through connection piece 13 and cutting device 15, be convenient for maintain and change cutting device 15 through first bolt 17.
The working principle is as follows: when the invention is used, the water inlet base 2 is arranged at the bottom of the sewage pump body 1, the sewage pump body 1 and the water inlet base 2 are connected and fixed through the second bolt 19, the sewage pump body 1 and the water inlet base 2 are convenient to disassemble and maintain through the second bolt 19, the connecting piece 13 is arranged at the lower end of the rotating shaft 7, the connecting piece 13 is connected with the cutting device 15 through the first bolt 17, the cutting device 15 is positioned in the water inlet 3, impurities such as more impurities, silt, plastic bags, long fibers and the like in a sewage medium are primarily cut through the matching of the mounting disc 151 and the cutting blade 152 in the cutting device 15, the impurities are reduced and enter the inside of the sewage pump body 1, the larger impurities are prevented from entering the sewage pump body 1, the winding of the impurities and the blockage phenomenon of the sewage pump body 1 are prevented, and the connecting piece 13 is connected and fixed with the cutting device 15 through the first bolt 17, the maintenance and replacement of the cutting device 15 by the first bolt 17 is facilitated;
through being provided with cutting disc 12 in the top of water inlet 3, it is rotatory to drive interior arc incision 122 and the rotation of outer arc incision 123 that set up on it through the rotation of cutting wheel 121 in cutting disc 12, it cuts once more to the impurity through in cutting device 15 through interior arc incision 122 and the rotation of outer arc incision 123, make filth impurity cut shorter length, the reducing mechanism 9 cooperation through impeller 8 below setting, smash filth impurity through crushing wheel 901 and crushing blade 902 in the reducing mechanism 9, cooperation through cutting disc 12 and reducing mechanism 9, can effectively alleviate motor load when making 8 operations of impeller, reduce the energy consumption, discharge through delivery port 20.
Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. Multistage cutting grinding dredge pump includes the dredge pump body (1) and is located the base of intaking (2) of dredge pump body (1) bottom, its characterized in that: the sewage pump body (1) is fixedly connected with the water inlet base (2) through a second bolt (19), a water inlet (3) communicated with the inside of the sewage pump body (1) is formed in the water inlet base (2), a water outlet (20) is formed in one side of the sewage pump body (1), a driving motor (4) is fixedly mounted at the upper end of the sewage pump body (1) through a motor mounting seat, a rotating shaft (7) is fixedly connected with one end of an output shaft of the driving motor (4) through a shaft coupling (6), an impeller (8) is fixedly sleeved on the outer wall of the rotating shaft, a crushing device (9) is arranged below the impeller (8), the crushing device (9) is fixedly connected with the rotating shaft (7), and a fixed support rod (10) used for supporting the rotating shaft (7) is arranged on the inner wall of the sewage pump body (1), and fixed support pole (10) rotate with axis of rotation (7) and be connected, fixed cover is equipped with cutting disc (12) on the outer wall of axis of rotation (7), cutting disc (12) are located the top of water inlet (3), the bottom fixed welding of axis of rotation (7) has connection piece (13), connection piece (13) are through first bolt (17) fixedly connected with cutting device (15), and cutting device (15) are located the inside of water inlet (3).
2. The multi-stage cutting and grinding dredge pump of claim 1, wherein: two sets of connecting blocks (18) are installed to the lower extreme bilateral symmetry of dredge pump body (1), and have seted up second screw through-hole (22) on connecting block (18), two sets of second screw blind holes (23) corresponding with second screw through-hole (22) have been seted up to the upper end symmetry of base of intaking (2), the one end of second bolt (19) runs through second screw through-hole (22) and connects in the inside of second screw blind hole (23).
3. The multi-stage cutting and grinding dredge pump of claim 1, wherein: the sewage pump is characterized in that a first rotating bearing (5) is embedded in the upper end of the sewage pump body (1), the first rotating bearing (5) is arranged to be a sealing bearing, and one end of an output shaft of the driving motor (4) is fixedly inserted into an inner ring of the first rotating bearing (5).
4. The multi-stage cutting and grinding dredge pump of claim 1, wherein: the crushing device (9) comprises a crushing wheel (901) and crushing blades (902), wherein the crushing blades (902) are not less than six groups, and the six groups of crushing blades (902) are arranged on the outer wall of the crushing wheel (901) in an annular array.
5. The multi-stage cutting and grinding dredge pump of claim 1, wherein: the both ends of fixed stay pole (10) are fixed with the interior wall connection of dredge pump body (1) respectively, and fixed stay pole (10) are gone up to be embedded to have the confession second rolling bearing (11) that axis of rotation (7) run through.
6. The multi-stage cutting and grinding dredge pump of claim 1, wherein: the cutting disc (12) comprises a cutting wheel (121), an inner arc-shaped notch (122) and an outer arc-shaped notch (123) are formed in the cutting wheel (121), the inner arc-shaped notch (122) and the outer arc-shaped notch (123) are arranged in an annular array, and the inner arc-shaped notch (122) is located on the inner side of the outer arc-shaped notch (123).
7. The multi-stage cutting and grinding dredge pump of claim 6, wherein: the width from one end of the inner arc-shaped notch (122) to the other end of the outer arc-shaped notch (123) is gradually decreased, and the cutting directions of the inner arc-shaped notch (122) and the outer arc-shaped notch (123) are the same.
8. The multi-stage cutting and grinding dredge pump of claim 1, wherein: cutting device (15) include mounting disc (151) and cutting blade (152), cutting blade (152) are provided with three groups, three groups cutting blade (152) are installed on the outer wall of mounting disc (151) for annular array.
9. The multi-stage cutting and grinding dredge pump of claim 8, wherein: four groups of first threaded through holes (14) are symmetrically formed in the upper end of the connecting piece (13), first threaded blind holes (16) corresponding to the four groups of first threaded through holes (14) are formed in the upper end of the mounting disc (151), and one end of each first bolt (17) penetrates through the corresponding first threaded through hole (14) and is connected to the inside of the corresponding first threaded blind hole (16).
10. The multi-stage cutting and grinding dredge pump of claim 1, wherein: the outer side of the driving motor (4) is provided with a motor protective shell (21), and the lower end of the motor protective shell (21) is fixedly connected with the upper end of the sewage pump body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110174083.6A CN112855556A (en) | 2021-02-08 | 2021-02-08 | Multistage cutting and grinding sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110174083.6A CN112855556A (en) | 2021-02-08 | 2021-02-08 | Multistage cutting and grinding sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112855556A true CN112855556A (en) | 2021-05-28 |
Family
ID=75989316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110174083.6A Withdrawn CN112855556A (en) | 2021-02-08 | 2021-02-08 | Multistage cutting and grinding sewage pump |
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| CN (1) | CN112855556A (en) |
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| CN113389757A (en) * | 2021-08-03 | 2021-09-14 | 肖鹿辉 | Sewage pump with shock attenuation prevents blockking up function |
| CN113969898A (en) * | 2021-10-23 | 2022-01-25 | 浙江奥东泵业制造有限公司 | Submersible sewage pump |
| CN113967421A (en) * | 2021-09-15 | 2022-01-25 | 河北邯峰发电有限责任公司 | Accumulated coal stirring device for sewage pump pit |
| CN114352538A (en) * | 2021-11-01 | 2022-04-15 | 安徽金晥泵业科技股份有限公司 | Double-knife cutting pump with crushing mechanism |
| CN114526241A (en) * | 2022-02-21 | 2022-05-24 | 江苏久智环境科技服务有限公司 | Efficient environment-friendly sewage draining energy-saving pump |
| CN115076125A (en) * | 2022-08-23 | 2022-09-20 | 南通珍恒环保科技有限公司 | Anti-blocking submersible sewage pump |
| CN116241477A (en) * | 2023-02-08 | 2023-06-09 | 广东天恒液压机械有限公司 | Automatic sewage pump |
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| CN204511913U (en) * | 2015-01-06 | 2015-07-29 | 浙江贝德泵业有限公司 | A kind of proof submersible sand discharging pump |
| CN204572489U (en) * | 2015-04-10 | 2015-08-19 | 浙江中杭水泵有限公司 | A kind of sewage/waste electrical submersible pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113389757A (en) * | 2021-08-03 | 2021-09-14 | 肖鹿辉 | Sewage pump with shock attenuation prevents blockking up function |
| CN113389757B (en) * | 2021-08-03 | 2023-09-22 | 欧森泵业有限公司 | Sewage pump with shock attenuation anti-blocking function |
| CN113967421A (en) * | 2021-09-15 | 2022-01-25 | 河北邯峰发电有限责任公司 | Accumulated coal stirring device for sewage pump pit |
| CN113967421B (en) * | 2021-09-15 | 2024-01-16 | 河北邯峰发电有限责任公司 | Pump pit coal accumulation stirring device of sewage pump |
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