CN109505775A - A kind of multistage cutting pump - Google Patents
A kind of multistage cutting pump Download PDFInfo
- Publication number
- CN109505775A CN109505775A CN201910008717.3A CN201910008717A CN109505775A CN 109505775 A CN109505775 A CN 109505775A CN 201910008717 A CN201910008717 A CN 201910008717A CN 109505775 A CN109505775 A CN 109505775A
- Authority
- CN
- China
- Prior art keywords
- cutting
- knife
- impeller
- pump housing
- 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.)
- Pending
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 116
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- 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
-
- 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
-
- 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
-
- 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
- F04D29/242—Geometry, shape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the technical fields of cutting pump, refer in particular to a kind of multistage cutting pump, including the pump housing and pedestal, water inlet is provided in pedestal, the side of the pump housing is provided with water outlet, motor-driven shaft is provided in the pump housing, shaft sequentially passes through impeller, the axis hole of chopping disk and cutter, the input end of the impeller is provided with the impeller edge of a knife, the vane tip of impeller is provided with the blade edge of a knife, the blade edge of a knife is inclined-plane, and it is matched with intracorporal pump housing inclined-plane is pumped, uniformly week is equipped with the upper cutting knife and lower cutting knife of radial cut tooth form on the chopping disk, the quantity of upper cutting knife is more than lower cutting knife, the lower cutting knife and the cutter composition first order cut structure, structure is cut in upper cutting knife and the impeller edge of a knife composition second level, the blade edge of a knife and the pump housing inclined-plane composition third level cut structure.Multistage cutting pump provided by the invention, solution cutting pump handling capacity is poor, cutting is not thorough, easily winding blocks and leads to the technical problems such as burning machine.
Description
Technical field
The invention belongs to the technical fields of cutting pump, refer in particular to a kind of multistage cutting pump.
Background technique
In the industrial production, cutting pump is widely answered due to can satisfy many special purposes in every profession and trade
With the structure of cutting pump is also constantly improve with improvement.Impurity is in cutting pump shaft during operation impeller, skill in order to prevent
Art personnel improve the structure of cutting pump, install cutter device additional in the water inlet of cutting pump, can be effectively in sewage
Impurity is cut.
Chinese invention patent CN104100534B discloses a kind of diving cutting dredge pump of two-stage cutting, technical solution
It is as follows: to pump intracorporal lower central position and dispose the efficient big runner half-opened impeller with back shroud；It is described efficiently big
The inlet side back shroud of runner half-opened impeller blade between front shroud use 30~45 ° of high inclination-angle navigation designings, impeller blade
Outlet flow center line with the radially outlet center line of the pump housing is contour is aligned；The pump housing lower end surface is connect with pump frame；Institute
It states pump frame top and connects the chopping disk that can be adjusted axially, chopping disk is in the lower part of impeller, chopping disk upper end in the pump housing
The front shroud stream interface shape of section shape and impeller blade axis plane projection remains exactly the same, and can be axial by adjusting chopping disk
Gap needed for displacement makes chopping disk upper end and impeller blade front shroud stream interface form 0.2~0.3mm.
The secondary cut that above-mentioned cutting pump passes through a cutting edge port and chopping disk upper end of blowdown pump water inlet suction inlet
Cutting edge carries out second level cutting to dirt, but still is not thorough in the presence of cutting, and handling capacity is poor, is easy blocking winding impeller and the pump housing
The technical issues of, situations such as when used for a long time, burning machine can be led to because of blocking, winding.
Summary of the invention
The object of the present invention is to provide a kind of multistage cutting pumps, and solution cutting pump handling capacity is poor, cutting is not thorough, easily twines
Lead to the technical problems such as burning machine around blocking.
The object of the present invention is achieved like this: a kind of multistage cutting pump, including the pump housing and pedestal, be provided in pedestal into
The mouth of a river, the side of the pump housing are provided with water outlet, and motor-driven shaft is provided in the pump housing, and shaft sequentially passes through impeller, cutting
The axis hole of disk and cutter, the input end of the impeller are provided with the impeller edge of a knife, and the vane tip of impeller is provided with the blade edge of a knife,
The blade edge of a knife is inclined-plane, and matches with intracorporal pump housing inclined-plane is pumped, and is uniformly equipped with radial cut tooth form in week on the chopping disk
The quantity of upper cutting knife and lower cutting knife, upper cutting knife is more than lower cutting knife, the lower cutting knife and cutter
It forms the first order and cuts structure, structure, the blade edge of a knife and pump housing inclined-plane are cut in upper cutting knife and the impeller edge of a knife composition second level
It forms the third level and cuts structure.
The quantity of above-mentioned upper cutting knife be lower cutting knife integral multiple, and lower cutting knife with upper cutter bore
To coincidence.
Preferably, above-mentioned upper cutting knife is 6, and lower cutting knife is 3.
Preferably, the gap of above-mentioned first order cutting structure is 0.3-0.5mm, and the gap that structure is cut in the second level is 0.2-
0.5mm, the gap that the third level cuts structure is 0.5-1mm.
The gap of above-mentioned first order cutting structure and second level cutting structure can place adjustment gasket and be adjusted, described
The specification for adjusting gasket is 0.1mm, 0.2mm and 0.5mm.
Above-mentioned impeller is symmetrically arranged two blade impeller, and no front shroud, the blade is spirally extended to along vane edge
At axis hole in the middle part of impeller.
It is provided with chopping disk seam allowance and chopping disk lug on above-mentioned chopping disk, pump housing seam allowance and pump are provided in the pump housing
Body lug, chopping disk seam allowance are mounted on pump housing seam allowance, and chopping disk lug is bolted with pump housing lug, chopping disk lug
It is equal with the quantity of pump housing lug.
Keyway and the shaft shoulder are provided in above-mentioned shaft, impeller is mounted on the shaft shoulder and is keyed with shaft, the lower part of shaft
Be arranged with axle sleeve, axle sleeve passes through the axis hole of chopping disk, and the axis hole step in the upper end and impeller shaft hole connects, lower end with cut
Cutter connects, and shaft transfers torque to impeller by flat key.
The two sides of the bottom of above-mentioned shaft are symmetrically arranged with flat slot, and the upper end of flat slot and the lower cutting knife of chopping disk are neat
Flat, the cutter are mounted on flat slot, and carry out axial restraint, installation by the bolt with plain washer and spring washer
Afterwards, cutter push down axle sleeve, and axle sleeve withstands impeller, i.e. bolt while axial restraint cutter, axle sleeve and impeller.
The gasket of above-mentioned first order cutting structure is arranged on axle sleeve, and the gasket that structure is cut in the second level is arranged in the shaft shoulder
On.
Blade edge of a knife inclined-plane and pump housing inclined-plane in above-mentioned third level cutting structure is in circle rotation, radian basic one
It causes, the major function of the cutting structure is grinding and cutting；It is saw cut that the first order, which cuts structure and second level cutting structure,.
Above-mentioned cutter, chopping disk, impeller are all made of stainless shear steel wear-resisting, with high hardness.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that
1, incision principle of the invention are as follows: the sundries in sewage enters the first order by the water inlet on pedestal and cuts structure
Saw cut is carried out, after being chopped into, saw cut is carried out into second level cutting structure, since the quantity of upper cutting knife is more than
The import of lower cutting knife, second level cutting structure is also less than the import of first order cutting structure, and sundries is cut in the second level
Meeting be cut more broken in structure, would not be blocked when such sundries enters back into impeller, enter impeller after the cutting of the second level
The third level cut structure, be discharged by water outlet after further grinding and cutting.
2, impeller of the invention is two blade impellers, and no front shroud is more easier the casting of impeller, and passes through space
It is bigger, achieve the effect that no blocking, if object is clipped in third level cutting part, third level cutting structure can grind object.
Impeller and pump housing inclined-plane gap very little simultaneously, it is believed that pump housing inclined-plane is the front shroud of impeller, is improved when cutting pump operation
Hydraulic performance.
3, the cutting knife on chopping disk of the present invention is zigzag, during impeller rotation, zigzag and impeller and
Dragsaw cutting is formed between cutter, cutting object is easier.
Detailed description of the invention
Fig. 1 is cross-sectional view of the invention.
Fig. 2 is enlarged drawing at the A of Fig. 1.
Fig. 3 is the cross-sectional view of the pump housing of the present invention.
Fig. 4 is the perspective view of impeller of the present invention.
Fig. 5 is the cross-sectional view of impeller of the present invention.
Fig. 6 is the perspective view of cutter of the present invention.
Fig. 7 is the perspective view of shaft of the present invention.
Fig. 8 is the perspective view of chopping disk of the present invention.
Fig. 9 is the perspective view of another angle of chopping disk of the present invention.
Detailed description of the invention: the 1, pump housing；2, pedestal；3, water inlet；4, water outlet；5, shaft；6, impeller；7, chopping disk；8, it cuts
Cutter；9, the impeller edge of a knife；10, blade；11, the blade edge of a knife；12, pump housing inclined-plane；13, upper cutting knife；14, lower cutting knife；
15, chopping disk seam allowance；16, chopping disk lug；17, pump housing seam allowance；18, pump housing lug；19, keyway；20, the shaft shoulder；21, axle sleeve；
22, flat slot.
Specific embodiment
With specific embodiment, the invention will be further described with reference to the accompanying drawing, referring to Fig. 1-9:
A kind of multistage cutting pump, including the pump housing 1 and pedestal 2 are provided with water inlet 3, the side setting of the pump housing 1 in pedestal 2
There is water outlet 4, motor-driven shaft 5 is provided in the pump housing 1, shaft 5 sequentially passes through impeller 6, chopping disk 7 and cutter 8
Axis hole, the input end of the impeller 6 are provided with the impeller edge of a knife 9, are provided with the blade edge of a knife 11, blade at the top of the blade 10 of impeller 6
The edge of a knife 11 is inclined-plane, and is matched with the pump housing inclined-plane 12 in the pump housing 1, and uniformly week is equipped with radial cut tooth form on the chopping disk 7
Upper cutting knife 13 and lower cutting knife 14, the quantity of upper cutting knife 13 is more than lower cutting knife 14, the lower cutter
Mouth 14 forms the first order with cutter 8 and cuts structure, and upper cutting knife 13 cuts structure, leaf with the composition of the impeller edge of a knife 9 second level
The piece edge of a knife 11 and pump housing inclined-plane 12 form the third level and cut structure.
The course of work of above-mentioned cutting pump are as follows: the sundries in sewage enters the pump housing 1, motor by the water inlet 3 on pedestal 2
Drive shaft 5 rotates, and 5 impeller 6 of shaft and cutter 8 rotate, and the cutter 8 of rotation and static lower cutting knife 14 are right
Sundries carries out first order saw cut, and by first time, the sundries of cutting enters 6 input end of impeller, 9 He of the impeller edge of a knife of rotation
Static upper cutting knife 13 carries out second level saw cut to sundries, and the sundries after the second level is cut enters impeller 6, turns
The dynamic blade edge of a knife 11 and static pump housing inclined-plane 12 carry out tertiary grinding cutting to sundries, finally with the rotation of impeller 6
Sewage is discharged by water outlet.
Further, in order to reach best cutting effect, three-level cutting structure of the invention can do following setting:
The quantity of above-mentioned upper cutting knife 13 be lower cutting knife 14 integral multiple, and lower cutting knife 14 with upper cutting
The edge of a knife 13 is radial to be overlapped.In attached drawing, above-mentioned upper cutting knife 13 is 6, and lower cutting knife 14 is 3.
The gap of above-mentioned first order cutting structure is 0.3-0.5mm, and the gap that structure is cut in the second level is 0.2-0.5mm,
The gap that the third level cuts structure is 0.5-1mm.
The gap of above-mentioned first order cutting structure and second level cutting structure can place adjustment gasket and be adjusted, described
The specification for adjusting gasket is 0.1mm, 0.2mm and 0.5mm.
Above-mentioned impeller 6 is symmetrically arranged two blade impeller, and no front shroud, the blade 10 extends spirally along vane edge
To the axis hole at 10 middle part of impeller.
The specific mounting structure of each component of the present invention is:
It is provided with chopping disk seam allowance 15 and chopping disk lug 16 on above-mentioned chopping disk 7, is provided with the pump housing in the pump housing 1 and stops
Mouth 17 and pump housing lug 18, chopping disk seam allowance 15 are mounted on pump housing seam allowance 17, and chopping disk lug 16 passes through with pump housing lug 18
Bolt is fixed, and chopping disk lug 16 is equal with the quantity of pump housing lug 18, is three in attached drawing.
Keyway 19 and the shaft shoulder 20 are provided in above-mentioned shaft 5, impeller 6 is mounted on the shaft shoulder 20 and is keyed with shaft 5, turns
The lower part of axis 5 is arranged with axle sleeve 21, and axle sleeve 21 passes through the axis hole of chopping disk 7, and the upper end connects with the axis hole step in 6 axis hole of impeller
Touching connection, lower end and cutter 8 connect, and shaft 5 transfers torque to impeller 6 by flat key.
The two sides of the bottom of above-mentioned shaft 5 are symmetrically arranged with flat slot 22, the upper end of flat slot 22 and the lower cutting of chopping disk 7
The edge of a knife 14 flushes, and the cutter 8 are mounted on flat slot 22, and is carried out axially by the bolt with plain washer and spring washer
Fixed, after installation, cutter 8 push down axle sleeve 21, and axle sleeve 21 withstands impeller 6, i.e. bolt while axial restraint cutter 8, axle sleeve
21 and impeller 6.
The gasket of above-mentioned first order cutting structure is arranged on axle sleeve 21, and the gasket that structure is cut in the second level is arranged in the shaft shoulder
On 20.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore: it is all according to
The equivalence changes that structure of the invention, shape, principle are done, should all be covered by within protection scope of the present invention.
Claims (9)
1. a kind of multistage cutting pump, including the pump housing (1) and pedestal (2), pedestal (2) is interior to be provided with water inlet (3), the pump housing (1)
Side is provided with water outlet (4), is provided with motor-driven shaft (5) in the pump housing (1), shaft (5) sequentially pass through impeller (6),
The axis hole of chopping disk (7) and cutter (8), which is characterized in that the input end of the impeller (6) is provided with the impeller edge of a knife (9), leaf
Take turns (6) blade (10) at the top of be provided with the blade edge of a knife (11), the blade edge of a knife (11) be inclined-plane, and with the pump housing in the pump housing (1)
Inclined-plane (12) matches, and uniformly week is equipped with the upper cutting knife (13) and lower cutter of radial cut tooth form on the chopping disk (7)
The quantity of mouth (14), upper cutting knife (13) is more than lower cutting knife (14), the lower cutting knife (14) and cutter (8) group
At the first order cut structure, upper cutting knife (13) and the impeller edge of a knife (9) composition the second level cut structure, the blade edge of a knife (11) with
Pump housing inclined-plane (12) forms the third level and cuts structure.
2. a kind of multistage cutting pump according to claim 1, it is characterised in that: the quantity of the upper cutting knife (13) is
The integral multiple of lower cutting knife (14), and lower cutting knife (14) is radially overlapped with upper cutting knife (13).
3. a kind of multistage cutting pump according to claim 2, it is characterised in that: the upper cutting knife (13) is 6, under
Cutting knife (14) is 3.
4. a kind of multistage cutting pump according to claim 1, it is characterised in that: the gap of the first order cutting structure is
0.3-0.5mm, the gap that structure is cut in the second level is 0.2-0.5mm, and the gap that the third level cuts structure is 0.5-1mm.
5. a kind of multistage cutting pump according to claim 4, it is characterised in that: the first order cutting structure and the second level
Cutting structure gap can place adjustment gasket be adjusted, it is described adjustment gasket specification be 0.1mm, 0.2mm and
0.5mm。
6. a kind of multistage cutting pump according to claim 1, it is characterised in that: the impeller (6) is symmetrically arranged double
Blade impeller, the blade (10) is along the axis hole that vane edge is spirally extended in the middle part of impeller (6).
7. a kind of multistage cutting pump according to claim 1, it is characterised in that: be provided with cutting on the chopping disk (7)
Disk seam allowance (15) and chopping disk lug (16), the pump housing (1) is interior to be provided with pump housing seam allowance (17) and pump housing lug (18), cuts
Disk seam allowance (15) is mounted on pump housing seam allowance (17), and chopping disk lug (16) is bolted with pump housing lug (18).
8. a kind of multistage cutting pump according to claim 1, it is characterised in that: be provided with keyway on the shaft (5)
(19) it is mounted on the shaft shoulder (20) and is keyed with shaft (5) with the shaft shoulder (20), impeller (6), the lower part of shaft (5) is arranged with axis
It covering (21), axle sleeve (21) passes through the axis hole of chopping disk (7), and the axis hole step in the upper end and impeller (6) axis hole connects, under
End is connected with cutter (8).
9. a kind of multistage cutting pump according to claim 1, it is characterised in that: the two sides of the bottom of the shaft (5) are symmetrical
It is provided with flat slot (22), the upper end of flat slot (22) is flushed with the lower cutting knife (14) of chopping disk (7), the cutter
(8) it is mounted on flat slot (22), and axial restraint is carried out by the bolt with plain washer and spring washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910008717.3A CN109505775A (en) | 2019-01-04 | 2019-01-04 | A kind of multistage cutting pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910008717.3A CN109505775A (en) | 2019-01-04 | 2019-01-04 | A kind of multistage cutting pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109505775A true CN109505775A (en) | 2019-03-22 |
Family
ID=65756252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910008717.3A Pending CN109505775A (en) | 2019-01-04 | 2019-01-04 | A kind of multistage cutting pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505775A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230601A (en) * | 2019-06-17 | 2019-09-13 | 江苏芬奇工业设备制造有限公司 | A kind of breakage pump cut three times |
| CN111706516A (en) * | 2020-07-27 | 2020-09-25 | 喻安东 | An adjustable inner and outer double-knife cutting pump |
| CN112377423A (en) * | 2020-11-21 | 2021-02-19 | 越连机电有限公司 | Cutting pump |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101142412A (en) * | 2005-03-16 | 2008-03-12 | 韦尔矿产非洲（私人）有限公司 | Impeller for a centrifugal pump |
| UA84873C2 (en) * | 2003-06-16 | 2008-12-10 | Уейр Уорман Лтд | Improved pump impeller |
| CN101716058A (en) * | 2008-10-09 | 2010-06-02 | 盛玉林 | Bone powder soup machine |
| CN204628005U (en) * | 2015-01-12 | 2015-09-09 | 浙江乐威泵业有限公司 | A kind of cutting type sewage pump |
| CN205779890U (en) * | 2016-07-04 | 2016-12-07 | 许小雷 | A kind of sewage cutting pump |
| CN107185271A (en) * | 2017-06-30 | 2017-09-22 | 昆山市富众网络科技有限公司 | Extraction mechanism is filtered in a kind of cutting for Carapax Eriocheir sinensis |
| CN108187860A (en) * | 2018-03-07 | 2018-06-22 | 鲍孟波 | A kind of attrition grinding equipment of Chinese medicine |
| CN209398582U (en) * | 2019-01-04 | 2019-09-17 | 浙江大元泵业股份有限公司 | A kind of multistage cutting pump |
-
2019
- 2019-01-04 CN CN201910008717.3A patent/CN109505775A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA84873C2 (en) * | 2003-06-16 | 2008-12-10 | Уейр Уорман Лтд | Improved pump impeller |
| CN101142412A (en) * | 2005-03-16 | 2008-03-12 | 韦尔矿产非洲（私人）有限公司 | Impeller for a centrifugal pump |
| CN101716058A (en) * | 2008-10-09 | 2010-06-02 | 盛玉林 | Bone powder soup machine |
| CN204628005U (en) * | 2015-01-12 | 2015-09-09 | 浙江乐威泵业有限公司 | A kind of cutting type sewage pump |
| CN205779890U (en) * | 2016-07-04 | 2016-12-07 | 许小雷 | A kind of sewage cutting pump |
| CN107185271A (en) * | 2017-06-30 | 2017-09-22 | 昆山市富众网络科技有限公司 | Extraction mechanism is filtered in a kind of cutting for Carapax Eriocheir sinensis |
| CN108187860A (en) * | 2018-03-07 | 2018-06-22 | 鲍孟波 | A kind of attrition grinding equipment of Chinese medicine |
| CN209398582U (en) * | 2019-01-04 | 2019-09-17 | 浙江大元泵业股份有限公司 | A kind of multistage cutting pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230601A (en) * | 2019-06-17 | 2019-09-13 | 江苏芬奇工业设备制造有限公司 | A kind of breakage pump cut three times |
| CN111706516A (en) * | 2020-07-27 | 2020-09-25 | 喻安东 | An adjustable inner and outer double-knife cutting pump |
| CN112377423A (en) * | 2020-11-21 | 2021-02-19 | 越连机电有限公司 | Cutting pump |
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