CN106762706A - Anti-clogging submersible sewage pump - Google Patents
Anti-clogging submersible sewage pump Download PDFInfo
- Publication number
- CN106762706A CN106762706A CN201710140461.2A CN201710140461A CN106762706A CN 106762706 A CN106762706 A CN 106762706A CN 201710140461 A CN201710140461 A CN 201710140461A CN 106762706 A CN106762706 A CN 106762706A
- Authority
- CN
- China
- Prior art keywords
- water inlet
- cutter head
- submersible sewage
- head
- sewage pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
-
- 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
- F04D29/4293—Details of fluid inlet or outlet
-
- 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of anti-clogging submersible sewage pump, including pump motor, pump head, water inlet, delivery port and cutter sweep, pump head is connected with pump motor, and water inlet is connected through pump head with delivery port, and cutter sweep is horizontally installed on water inlet.Cutter sweep is provided with water inlet, and cutter sweep horizontally set, therefore, pump motor drive pump head in sewage effluent, cotton yarn, the rope made of hemp, shred or other analogs in sewage, can device to be cut cutting, such material is avoided to be wrapped in water inlet, ensure that sewage discharge is smooth, it is ensured that the normal work of influence submersible sewage pump, realize unimpeded effect.
Description
Technical field
The invention belongs to a kind of submersible sewage pump, more particularly, to a kind of anti-clogging submersible sewage pump.
Background technology
In the industrial production, submersible sewage pump is because compact conformation, convenient to install and maintain, continuous operation time are long, in the absence of vapour
Erosion destruction and the problems such as water, the advantages of vibration noise is small, motor temperature rise is low and environmentally safe, increasingly by people
Attention, the scope for using is also more and more wider.By it is original be merely used for conveying clear water till now can convey various lifes
Sewage living, industrial wastewater, construction site draining, liquid feed etc., build in municipal works, industry, hospital, building, restaurant, water conservancy
If played a very important role in waiting all trades and professions, and the structure of submersible sewage pump is also obtaining constantly improve with improvement.Latent dirt
Pump in sewage effluent, in sewage it is general can all exist various scum silica frost, plastic products and other as cotton yarn, the rope made of hemp, shred or
Person other analogs, these impurity block water inlet and are easily caused sewage discharge and have some setbacks the normal work of influence submersible sewage pump, make
Into the damage of motor, reduce the operating efficiency of submersible sewage pump and shorten service life.
In order to prevent fiber from being blocked when submersible sewage pump works, the structure to submersible sewage pump is improved, such as：Publication No.
CN204532843U discloses the submersible sewage pump that a kind of band stirs evenly cutter sweep, and pump shaft is provided with and stirs evenly impeller, stirs evenly and welded on impeller
A cutting blade is connected to, cutting blade is uniform on impeller is stirred evenly, simple structure, the winding that can effectively solve pump blocks existing
As, it is adaptable to the sewage dirt of weeds and long fibre medium is pumped, the present invention can more preferable stabilization of fluidized and energy under big flow
Reach anti-clogging effect；Publication No. CN204402963U discloses a kind of cutter sweep of submersible sewage pump, and cutter sweep includes cutting
Cutter seat and cutting cutter hub, set cutting groove on the cut surface for cutting tool rest inner ring, cutting the cylindrical of cutter hub is provided with cutting edge,
Cutting edge is equipped with cut surface small―gap suture, compact conformation, good cutting effect, but the effect on driving birds is not good under big flow；It is public
A kind of number of opening dredge pump protector for CN203822606 is disclosed, dictyosome is welded on grid underframe, and the periphery of dictyosome uses second
Steel wire grid is surrounded, and dictyosome front position is provided with pump outlet, and dictyosome top is equipped with canvas shroud, and canvas shroud is provided with movable mouth
The water inlet structure of submersible sewage pump, convenient disassembly, economical environment-protective is with low cost, and safely and effectively, but function is too simple；Publication No.
Water inlet structure disclosed in CN204646810U is including outer screen pack and the outer filter bores which is provided with, filtering net and which is provided with
Interior filter bores, the accommodating chamber for accommodating impurity is formed between outer screen pack and filtering net, can effectively prevent debris from entering
The advantages of entering in immersible pump, and effectively debris can be cleared up, it is undesirable for effect under the impact under big flow.
The content of the invention
It is an object of the invention to provide a kind of anti-clogging submersible sewage pump, at least one of above mentioned problem is can solve the problem that.
According to an aspect of the invention, there is provided a kind of anti-clogging submersible sewage pump, including pump motor, pump head, water inlet, go out
The mouth of a river and cutter sweep, pump head are connected with pump motor, and water inlet is connected through pump head with delivery port, cutter sweep be horizontally installed on into
At the mouth of a river.
The beneficial effects of the invention are as follows：Cutter sweep, and cutter sweep horizontally set are provided with water inlet, therefore, pump
Motor drives pump head in sewage effluent, and cotton yarn, the rope made of hemp, shred or other analogs in sewage can be cut dress
Put cutting, it is to avoid such material is wrapped in water inlet, it is ensured that sewage discharge is smooth, it is ensured that the normal work of influence submersible sewage pump, it is real
Existing unimpeded effect.
In some embodiments, anti-clogging submersible sewage pump also includes water inlet bend pipe, and water inlet bend pipe passes through pump head and delivery port
Connection, water inlet is on water inlet bend pipe.Thus, it is provided with into water bend pipe, the entrance of water can be facilitated, and facilitates water inlet
Open up.
In some embodiments, anti-clogging submersible sewage pump also include fuisw rib, fuisw rib located at water inlet bend pipe on, be located at into
At where the center line of water bend pipe.Thus, fuisw rib is provided with, Inlet flow pattern can be stablized.
In some embodiments, cutter sweep includes fixed cutter head, dynamic cutter head, knife cylinder and motor, and fixed cutter head is fixed
On fuisw rib, dynamic cutter head is engaged with fixed cutter head, and on knife cylinder, motor is connected dynamic cutter head with knife cylinder.Thus, pass through
Motor belt motor moving knife cylinder is rotated, and knife cylinder drives dynamic cutter head to rotate again, and dynamic cutter head cuts in rotation process to twister；Together
When, dynamic cutter head and fixed cutter head coordinate, and twister are cut, it is therefore prevented that material is wrapped in water inlet, it is ensured that current
Stability.
In some embodiments, dynamic cutter head is five, is distributed on the periphery of knife cylinder, and dynamic cutter head includes cross section and lateral incision
Face, lateral incision face is engaged with fixed cutter head, and cross section is 60 ° with the angle in lateral incision face.Thus, dynamic cutter head divides in this mode
Cloth, can to greatest extent improve cutting efficiency.
In some embodiments, the longitudinal length of dynamic cutter head is a quarter of knife cylinder radius.Thus, it is possible to maximum limit
Wear extent of the reduction dynamic cutter head of degree in cutting.
In some embodiments, the working face of fixed cutter head and the angle of fuisw rib center line are 60 °.Thus, this is consolidated
With dynamic cutter head when coordinating, cutting effect is best, it is possible to increase cutting efficiency for stationary knife head.
In some embodiments, fixed cutter head is uniformly arranged three along the horizontal direction of water inlet, and can dismantle.By
This, can improve cutting efficiency when dynamic cutter head coordinates with fixed cutter head.
In some embodiments, fixing point of the fixed cutter head on fuisw rib and the distance of fuisw rib end face are fixing point
With the twice of fixed cutter head other end end face distance.Thus, to ensure that fixed cutter head is installed on fuisw rib to greatest extent steady
Solidity.
In some embodiments, by cover plate and motor connection with centre bore, the other end is by blind for one end of knife cylinder
Blind patch is positioned.Thus, the installation of knife cylinder is facilitated.
Brief description of the drawings
Fig. 1 is the structural representation of anti-clogging submersible sewage pump of the invention.
Fig. 2 is the side structure schematic view of water inlet in anti-clogging submersible sewage pump of the invention；
Fig. 3 is the mplifying structure schematic diagram of part A in Fig. 1.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Reference picture 1, Fig. 2 and Fig. 3：Anti-clogging submersible sewage pump, including pump motor 1, pump head 2, water inlet 3, delivery port 4 and cutting
Device 5, pump head 2 is connected with pump motor 1, and water inlet 3 is connected through pump head 2 with delivery port 4, and cutter sweep 5 is horizontally installed on into water
At mouth 3.Wherein, pump motor 1 is arranged on the top of pump head 2；Pump motor 1 work when, sewage is entered by water inlet 3, pumped to
Delivery port 4 flows out.
Anti-clogging submersible sewage pump of the invention also includes water inlet bend pipe 6, and water inlet bend pipe 6 is connected by pump head 2 with delivery port 4,
Water inlet 3 is on water inlet bend pipe 6.Water inlet bend pipe 6 and pump head 2 are connected for convenience, in pump head 2 and bend pipe 6 of intaking
Between be provided with into water bend pipe base 20.
Anti-clogging submersible sewage pump also includes fuisw rib 7, and fuisw rib 7 is located on water inlet bend pipe 6, positioned at the center of water inlet bend pipe 6
At where line.Therefore, in the runner middle setting fuisw rib 7 of water inlet bend pipe 6, Inlet flow pattern can be stablized, is gone for big
Flow and low discharge state.
Cutter sweep 5 includes fixed cutter head 51, dynamic cutter head 52, knife cylinder 53 and motor 54, and fixed cutter head 51 is fixed on water conservancy diversion
On muscle 7, dynamic cutter head 52 is engaged with fixed cutter head 51, and on knife cylinder 53, motor 54 is connected dynamic cutter head 52 with knife cylinder 53.Its
In, knife cylinder 53 is cylindrical knife cylinder, and dynamic cutter head 52 and knife cylinder 53 is formed in one structure；Fixed cutter head 51 is fixed on by rivet
On fuisw rib 7.
Dynamic cutter head 52 is five, is distributed on the periphery of knife cylinder 53, and dynamic cutter head 52 includes cross section 521 and lateral incision face 522, side
Tangent plane 522 is engaged with fixed cutter head 51, and cross section 521 is 60 ° with the angle in lateral incision face 522.When motor 54 is rotated, band moving knife
Cylinder 53 is rotated, and dynamic cutter head 52 is rotated with knife cylinder 53, in rotation process, the cutting of the cross section 521 of dynamic cutter head 52 be wrapped in into
The impurity at the mouth of a river 3；Meanwhile, the lateral incision face 522 of dynamic cutter head 52 coordinates with fixed cutter head 51, to the impurity being wrapped at water inlet 3
Cut.
Longitudinal direction (i.e. along the radial direction of knife cylinder 53) length of dynamic cutter head 52 is a quarter of knife 53 radiuses of cylinder.By
This, draws through experimental test, and dynamic cutter head 52 uses the length so that the abrasion in cutting of cross section 521 is minimum, improves moving knife
First 52 service life.
The working face of fixed cutter head 51 and the angle of the center line of fuisw rib 7 are 60 ° so that fixed cutter head 51 and dynamic cutter head 52
Lateral incision face 522 coordinate cutting when, best results, efficiency highest.
Fixed cutter head 51 is uniformly arranged three along the horizontal direction of water inlet 3, and can dismantle.Fixed cutter head 51 passes through riveting
Nail horizontally set on fuisw rib 7, can carry out dismounting and change, convenient use.
Fixing point 8 of the fixed cutter head 51 on fuisw rib 7 is fixing point 8 and fixed cutter head with the distance of the end face of fuisw rib 7
The twice of 51 other end end face distances.The installation of cutter head 51 and fuisw rib 7 is fixed for convenience, and peace is offered on fuisw rib 7
Tankage, the length for installing groove bottom is consistent with the length of the fixed bottom surface of cutter head 51.In order to ensure to fix the firm of the installation of cutter head 51
Property, fixing point 8 is located at the position of 1/3rd of the sole length direction of fixed cutter head 51, it is ensured that fixed cutter head 51 can with it is dynamic
When cutter head 52 coordinates cutting, install firm.
In actual use, in order to improve the steadiness that knife cylinder 53 is installed, and ensure that the anti-clogging submersible sewage pump exists
The leakage of sewage when using, one end of knife cylinder 53 is connected by the cover plate 9 with centre bore with motor 54, and the other end passes through blank cap
Plate 10 is positioned；And knife cylinder 53 is provided with guide bearing 30 and positions in axial direction.Knife cylinder 53 is respectively arranged at two ends with the lid with centre bore
Plate 9 and blind hole cover plate 10, can effectively prevent the leakage of sewage, it is ensured that the sealing effectiveness of cutter sweep 5.
Anti-clogging submersible sewage pump of the invention can stablize Inlet flow pattern by setting fuisw rib 7, go for different big
Used under low discharge；Shear action is formed with the edge of a knife when can be rotated by dynamic cutter head 52, is led so as to shred and be wrapped in water inlet
Material at stream muscle, so as to reach unimpeded effect, wherein dynamic cutter head 52 at equal intervals axially distribution and it is adjacent rotate to an angle, not only
Reduce knife number and alleviate manufacture difficulty, while can also improve the section of shear improves unimpeded efficiency.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (10)
1. anti-clogging submersible sewage pump, it is characterised in that including pump motor (1), pump head (2), water inlet (3), delivery port (4) and cutting
Device (5), the pump head (2) is connected with pump motor (1), and the water inlet (3) connects through pump head (2) with delivery port (4), described
Cutter sweep (5) is horizontally installed on water inlet (3) place.
2. anti-clogging submersible sewage pump according to claim 1, it is characterised in that also including water inlet bend pipe (6), the water inlet is curved
Pipe (6) is connected by pump head (2) with delivery port (4), and the water inlet (3) is in water inlet bend pipe (6).
3. anti-clogging submersible sewage pump according to claim 2, it is characterised in that also including fuisw rib (7), the fuisw rib
(7) in water inlet bend pipe (6), at the center line place of water inlet bend pipe (6).
4. anti-clogging submersible sewage pump according to claim 3, it is characterised in that the cutter sweep (5) includes fixed cutter head
(51), dynamic cutter head (52), knife cylinder (53) and motor (54), the fixed cutter head (51) are fixed on fuisw rib (7), the moving knife
Head (52) is engaged with fixed cutter head (51), the dynamic cutter head (52) on knife cylinder (53), the motor (54) and knife tin
(53) it is connected.
5. anti-clogging submersible sewage pump according to claim 4, it is characterised in that the dynamic cutter head (52) is five, is distributed on
The periphery of knife cylinder (53), the dynamic cutter head (52) includes cross section (521) and lateral incision face (522), the lateral incision face (522) with consolidate
Stationary knife head (51) is engaged, and the cross section (521) is 60 ° with the angle in lateral incision face (522).
6. the anti-clogging submersible sewage pump according to claim 4 or 5, it is characterised in that the longitudinal length of the dynamic cutter head (52)
It is a quarter of knife cylinder (53) radius.
7. anti-clogging submersible sewage pump according to claim 6, it is characterised in that the working face of the fixed cutter head (51) with lead
The angle for flowing muscle (7) center line is 60 °.
8. anti-clogging submersible sewage pump according to claim 7, it is characterised in that the fixed cutter head (51) is along water inlet
(3) horizontal direction is uniformly arranged three, and can dismantle.
9. anti-clogging submersible sewage pump according to claim 8, it is characterised in that the fixed cutter head (51) is in fuisw rib (7)
On the distance of fixing point (8) and fuisw rib (7) end face be fixing point (8) and the two of fixed cutter head (51) other end end face distance
Times.
10. anti-clogging submersible sewage pump according to claim 4, it is characterised in that one end of knife cylinder (53) is by band
The cover plate (9) in heart hole is connected with motor (54), and the other end is positioned by blind hole cover plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710140461.2A CN106762706B (en) | 2017-03-08 | 2017-03-08 | Anti-blocking submersible sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710140461.2A CN106762706B (en) | 2017-03-08 | 2017-03-08 | Anti-blocking submersible sewage pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762706A true CN106762706A (en) | 2017-05-31 |
| CN106762706B CN106762706B (en) | 2023-02-14 |
Family
ID=58962232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710140461.2A Active CN106762706B (en) | 2017-03-08 | 2017-03-08 | Anti-blocking submersible sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762706B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542703A (en) * | 2017-10-19 | 2018-01-05 | 江苏国泉泵业制造有限公司 | A kind of novel sewage pump anti-clogging inlet channel |
| CN107975479A (en) * | 2017-12-04 | 2018-05-01 | 江苏凯泉泵业制造有限公司 | Dredge pump with cutting is without stifled water inlet pipe |
| CN108019357A (en) * | 2017-12-04 | 2018-05-11 | 江苏凯泉泵业制造有限公司 | Dredge pump is without blocking water inlet pipe |
| CN108533502A (en) * | 2018-06-07 | 2018-09-14 | 佛山市肯富来工业泵有限公司 | Dredge pump with cutting is without stifled water inlet bend pipe |
| CN112761962A (en) * | 2020-12-31 | 2021-05-07 | 合肥华升泵阀股份有限公司 | Spiral impeller with crushing function and centrifugal pump with same |
| CN114718885A (en) * | 2022-03-25 | 2022-07-08 | 武汉理工大学 | Novel submersible centripetal pump device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH349887A (en) * | 1957-05-14 | 1960-10-31 | Ottiger Walter | Slurry pump system |
| JP2005146866A (en) * | 2003-11-11 | 2005-06-09 | Hitachi Industries Co Ltd | Axial flow pump and delivery flattened bend pipe |
| CN102410421A (en) * | 2011-09-23 | 2012-04-11 | 扬州大学 | Novel 90-degree variable-curvature bent pipe |
| CN104696260A (en) * | 2015-03-13 | 2015-06-10 | 江苏大学 | Novel sewage pump cutting device |
| CN204572470U (en) * | 2015-02-05 | 2015-08-19 | 台州启航电机有限公司 | A kind of submerged pump |
| CN206753926U (en) * | 2017-03-08 | 2017-12-15 | 佛山市肯富来工业泵有限公司 | Anti-clogging submersible sewage pump |
-
2017
- 2017-03-08 CN CN201710140461.2A patent/CN106762706B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH349887A (en) * | 1957-05-14 | 1960-10-31 | Ottiger Walter | Slurry pump system |
| JP2005146866A (en) * | 2003-11-11 | 2005-06-09 | Hitachi Industries Co Ltd | Axial flow pump and delivery flattened bend pipe |
| CN102410421A (en) * | 2011-09-23 | 2012-04-11 | 扬州大学 | Novel 90-degree variable-curvature bent pipe |
| CN204572470U (en) * | 2015-02-05 | 2015-08-19 | 台州启航电机有限公司 | A kind of submerged pump |
| CN104696260A (en) * | 2015-03-13 | 2015-06-10 | 江苏大学 | Novel sewage pump cutting device |
| CN206753926U (en) * | 2017-03-08 | 2017-12-15 | 佛山市肯富来工业泵有限公司 | Anti-clogging submersible sewage pump |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542703A (en) * | 2017-10-19 | 2018-01-05 | 江苏国泉泵业制造有限公司 | A kind of novel sewage pump anti-clogging inlet channel |
| CN107975479A (en) * | 2017-12-04 | 2018-05-01 | 江苏凯泉泵业制造有限公司 | Dredge pump with cutting is without stifled water inlet pipe |
| CN108019357A (en) * | 2017-12-04 | 2018-05-11 | 江苏凯泉泵业制造有限公司 | Dredge pump is without blocking water inlet pipe |
| CN107975479B (en) * | 2017-12-04 | 2020-05-01 | 江苏凯泉泵业制造有限公司 | Non-blocking water inlet pipe with cutting for sewage pump |
| CN108533502A (en) * | 2018-06-07 | 2018-09-14 | 佛山市肯富来工业泵有限公司 | Dredge pump with cutting is without stifled water inlet bend pipe |
| CN112761962A (en) * | 2020-12-31 | 2021-05-07 | 合肥华升泵阀股份有限公司 | Spiral impeller with crushing function and centrifugal pump with same |
| CN114718885A (en) * | 2022-03-25 | 2022-07-08 | 武汉理工大学 | Novel submersible centripetal pump device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106762706B (en) | 2023-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106762706A (en) | Anti-clogging submersible sewage pump | |
| CN104100534B (en) | A kind of diving cutting dredge pump possessing high-efficiency hydraulic characteristic | |
| CN108019357B (en) | Non-blocking water inlet pipe of sewage pump | |
| KR101737420B1 (en) | Impeller for submerged pump | |
| KR20070117560A (en) | Pump with cutting impeller and pre-chopper | |
| TW201544714A (en) | Casing liner for sewage pump and sewage pump | |
| CN104481917A (en) | Semi-open type self-cutting blocking-free pump impeller for shearing structure | |
| CN107237761A (en) | Anti-clogging sewage pump | |
| CN105508262B (en) | A kind of multistage cutting grinds dredge pump | |
| CN206753926U (en) | Anti-clogging submersible sewage pump | |
| CN106895009B (en) | Cutting type dirt-removing integrated submersible pump | |
| CN104696260A (en) | Novel sewage pump cutting device | |
| CN107975479A (en) | Dredge pump with cutting is without stifled water inlet pipe | |
| CN104235057A (en) | Compound impeller provided with front cutting and stirring tool bits | |
| US12031554B2 (en) | Open impeller for submergible pump configured for pumping liquid comprising abrasive matter | |
| CN205533291U (en) | Multistage cutting grinding dredge pump | |
| CN210799502U (en) | Drainage pump for digging pile | |
| CN205478550U (en) | Cutting device of mixed flow pump | |
| AU2021350322A9 (en) | Open impeller for submergible pump configured for pumping liquid comprising abrasive matter | |
| CN207687053U (en) | A kind of novel sewage pump anti-clogging water inlet line | |
| CN206329508U (en) | A kind of immersible pump | |
| CN207554411U (en) | It is a kind of without block submersible sewage impeller of pump | |
| CN206092427U (en) | Take pump sending cutting device's latent dirty vortex pump | |
| CN205779890U (en) | A kind of sewage cutting pump | |
| CN105545809B (en) | A kind of cutter device of mixed-flow pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |