CN106949068B - The Turo pump of cutting blade built in a kind of pump housing - Google Patents
The Turo pump of cutting blade built in a kind of pump housing Download PDFInfo
- Publication number
- CN106949068B CN106949068B CN201710283294.7A CN201710283294A CN106949068B CN 106949068 B CN106949068 B CN 106949068B CN 201710283294 A CN201710283294 A CN 201710283294A CN 106949068 B CN106949068 B CN 106949068B
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- CN
- China
- Prior art keywords
- pump
- blade
- pump housing
- turo
- impeller
- 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.)
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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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Abstract
The present invention provides a kind of Turo pump of cutting blade built in the pump housing, including the pump housing, rear pump cover and pump shaft；The pump housing front center is equipped with import, and pump housing side is equipped with outlet；The rear pump cover is located at pump housing rear, rear pump cover two sides and is fixedly connected by fastening bolt with the pump housing, and rear pump cover is fixedly connected with machine capping；Impeller is equipped with before the rear pump cover, the front side of impeller is located on same circle core shaft equipped with no phyllocyst, no phyllocyst and outlet, and the pump housing inner wall of the entrance is equipped with one group of blade being arranged symmetrically；The pump shaft passes through to be fixedly connected on rear side of the Kong Bingyu impeller in the middle part of rear pump cover, and pump shaft passes through the bearing seat supports of its periphery and can be freely rotated in bearing block, and the bearing block is fixedly connected with rear pump cover.Structure of the invention is compact, does not need to increase additional cutter device, can reduce the axial dimension of Turo pump, and blade structure is conducive to improve mobility status, enhances passability.
Description
Technical field
The invention belongs to centrifugal pumps to manufacture research field, and in particular to the Turo pump of cutting blade built in a kind of pump housing.
Background technique
The key structural feature of Turo pump is that impeller is held back in the subsequent pump chamber of pumping chamber, when impeller rotates before the impeller
Face penetrates through stream and recycle stream without formation in phyllocyst.Perforation stream enters pump chamber by runner between impeller blade and flows out, recycle stream
Then in no leaf cavity circulation.Due to being low-pressure area in the middle part of recycle stream, solid particle falls into this region and flows out under the drive of eddy flow,
Therefore most of solid matter can directly be flowed out from no phyllocyst without impeller.
Turo pump handling capacity as well known to it is good and be widely used at present, but in conveying long fibre shape
Similarly there is a problem of handling capacity deficiency when thick slurry, if certain problem can be brought by increasing additional cutter device:
One, be cutter device Effect of Rotation downstream impeller and pump case in mobility status, increase hydraulic loss, after
And affect the characteristics such as the flow, lift and efficiency of pump；
Two, be increased pump shaft to size, define the bulk of installation；
It three, is that structure is complicated, maintenance difficult.The particularity of Turo pump structure type makes pump body mobility status simultaneously
Extremely complex, some cutter devices for being placed on front end will affect the dynamic balance performance of Turo pump, cause the stability of Turo pump
It reduces.
Summary of the invention
The purpose of the present invention is Turo pumps regarding to the issue above for strip floccule handling capacity difference and low efficiency, and
The preposition cutter device axial dimension of impeller that largely uses is big at present, complicated defect, proposes to cut built in a kind of pump housing
The Turo pump of cutting blade, the Turo pump is without phyllocyst built-in knife, and this Turo pump axial dimension is small, structure is simple, high-efficient, energy
Strip floccule is preferably cut, passage capacity is outstanding.
The technical scheme is that a kind of Turo pump of cutting blade built in pump housing, including the pump housing, rear pump cover and pump
Axis；
The pump housing front center is equipped with import, and pump housing side is equipped with outlet；
The rear pump cover is located at pump housing rear, rear pump cover two sides and is fixedly connected by fastening bolt with the pump housing, rear pump cover with
Machine capping is fixedly connected；Impeller is equipped with before the rear pump cover, equipped with no phyllocyst, no phyllocyst is located at same with outlet for the front side of impeller
On circle core shaft, the pump housing inner wall of the entrance is equipped with one group of blade being arranged symmetrically；
The pump shaft passes through to be fixedly connected on rear side of the Kong Bingyu impeller in the middle part of rear pump cover, and pump shaft passes through the bearing block of its periphery
It supports and can be freely rotated in bearing block, the bearing block is fixedly connected with rear pump cover.
In above scheme, the blade is in circular arc curved shape；The starting point of the blade is fixed on the inner wall of the pump housing；Knife
The end of piece be it is pointed, the arc-shaped concave is towards inside.
In above scheme, the length C of the blade transverse direction is 0.5 times of no phyllocyst width L；
The blade width B of the blade is outlet diameter Dc0.5 times；
It is inlet diameter D that the blade placing height, which is relative to pump spindle center linear distance A,j0.56 times；
The angle δ of the starting point of the blade to end is 20~40 degree.
In above scheme, the starting point of the blade with a thickness of 1~3mm；
The end of the blade with a thickness of 0~0.6mm, the thickness of the blade is successively uniformly passed from starting point to end
Subtract；
The cutting edge of the blade is taper.
In above scheme, the quantity of the blade is 2.
In above scheme, the starting point of the blade, which uses, welds or rivets the inner wall that structure is fixed on the pump housing.
In above scheme, the pump shaft and rear pump cover are closed by mechanical seal.
In above scheme, bearing is equipped between the pump shaft and bearing block.
In above scheme, it is connected by key on rear side of the impeller with pump shaft, and be fastenedly connected by impeller nut and pump shaft.
In above scheme, sealing ring is equipped between the rear pump cover and the pump housing.
Compared with prior art, the beneficial effects of the present invention are:
1. blade of the present invention is fixed on the pump housing using welding or cast structure, structure is simple, easy to process；Cutting blade
It is made of one with the pump housing, improves the operational reliability of pump；
2. the position that the present invention places blade can effectively cut off the long fibre of sucking, Turo pump entrance is prevented
Blocking, does not need to increase additional cutter device；
3. present invention blade shapes curved at an angle have sharp cutting effect, while having certain water conservancy diversion to make
With mobility status of the improvement without recycle stream in phyllocyst improves the operational efficiency of pump.
4. rear pump cover of the present invention can be opened, the convenient welding blade on the pump housing.
5. arrangement of the invention can reduce the axial dimension of Turo pump, blade can cut off the long fibre of sucking,
It can prevent the strip floccule in no phyllocyst from winding and reducing efficiency, so that the thick slurry of glass fiber, plastic ties, long fibre shape be made to become
It must be readily delivered.
Detailed description of the invention
Fig. 1 is the structural profile illustration of an embodiment of the present invention；
Fig. 2 is the pump housing diagrammatic cross-section of an embodiment of the present invention；
Fig. 3 is the blade structure schematic diagram of an embodiment of the present invention.
In figure: 1. pump housings, 2. imports, 3. impellers, 4. outlets, 5. sealing rings, 6. rear pump covers, 7. seal washers, 8. fastenings
Bolt, the capping of 9. machines, 10. pump shafts, 11. bearing blocks, 12. bearings, 13. blades, 14. starting points, 15. ends, 16. fixing ends,
17. cutting edge, 18. bolts, 19. without phyllocyst, 20. keys, 21. impeller nuts, 22. mechanical seals.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention
It is not limited to this.
Fig. 1 show a kind of embodiment of the Turo pump of cutting blade built in the pump housing of the present invention, in the pump housing
Set the Turo pump of cutting blade, including the pump housing 1, rear pump cover 6 and pump shaft 10；The pump housing 1 is located at front equipment end, 1 front end of the pump housing
Middle part is equipped with import 2, and 1 side of the pump housing is equipped with outlet 4；The rear pump cover 6 is located at 1 rear of the pump housing, 6 two sides of rear pump cover and passes through fastening
Bolt 8 is fixedly connected with the pump housing 1, and rear pump cover 6 is fixedly connected with machine capping 9, and impeller 3 is equipped with before the rear pump cover 6, impeller 3
Equipped with no phyllocyst 19, no phyllocyst 19 is located on same circle core shaft with outlet 4 for front side, so that sundries requires no impeller 13 and more square
Just it is discharged, 1 inner wall of the pump housing at the import 2 is equipped with one group of blade 13 being arranged symmetrically；The fixing end 16 of the blade 13
The inner wall for being fixed on the pump housing 1 using structure is welded or riveted.Cutting blade 13 is made of one with the pump housing 1, and the operation for improving pump can
By property, the position for placing blade 13 can effectively cut off the long fibre of sucking, prevent the blocking at eddy flow pump inlet 2, no
Need to increase additional cutter device.Rear pump cover 6 can be opened, the convenient welding blade 13 on the pump housing 1.Pass through above-mentioned arrangement side
Formula can reduce the axial dimension of Turo pump, and blade 13 can cut off the long fibre of sucking, can prevent the strip in no phyllocyst 19
Floccule winds and reduces efficiency, so that the thick slurry of glass fiber, plastic ties, long fibre shape be made to become prone to convey.
The pump shaft 10 passes through to be fixedly connected on rear side of the Kong Bingyu impeller 3 in the middle part of rear pump cover 6, the pump shaft 10 and bearing block
Bearing 12 is equipped between 11, pump shaft 10 is supported and can be freely rotated in bearing block 11 by the bearing block 11 of its periphery, described
Bearing block 11 is fixedly connected with rear pump cover 6.The pump shaft 10 is closed with rear pump cover 6 by mechanical seal 22.3 rear side of impeller
It is connect with pump shaft 10 by key 20, and is fastenedly connected by impeller nut 21 with pump shaft 10.Between the rear pump cover 6 and the pump housing 1
Equipped with sealing ring 5.
As shown in Figures 2 and 3, it is preferred that the quantity of the blade 13 is 2.The blade 13 is in circular arc curved shape；Institute
The starting point 16 for stating blade 13 is fixed on the inner wall of the pump housing 1；The end 15 of blade 13 be it is pointed, the arc-shaped concave is in
Side.Curved blade shapes have sharp cutting effect at an angle, while having certain guide functions, improve without phyllocyst
The mobility status of recycle stream in 19, improves the operational efficiency of pump.
The lateral length C of the blade 13 is 0.5 times of no 19 width L of phyllocyst；The blade width B of the blade 13 is
4 diameter D of mouthc0.5 times；It is 2 diameter D of import that 13 placing height of blade, which is relative to 10 center line distance A of pump shaft,j's
0.56 times；The angle δ of the starting point 14 of the blade 13 to end 15 is 20~40 degree.
The thickness of the blade 13 15 successively uniformly successively decreases from starting point 14 to end；The starting point 14 of the blade 13
With a thickness of 1~3mm；The end 15 of the blade 13 with a thickness of 0~0.6mm；The cutting edge 17 of the blade 13 is taper, with
Increase sharpness.
The course of work of the invention is as follows:
When eddy flow pump work, pump shaft 10 rotates impeller 3 and rotates, containing long fibre shape or it is cotton-shaped it is thick starch by into
Into no phyllocyst 19, long fibre is shredded inside the pump housing 1 by blade 13 mouth 2, passes through the recycle stream that the centrifugal action of impeller 3 generates
It drives, finally the long fibre of chopping and floccule is discharged by outlet 4.
Although not each embodiment only includes one it should be appreciated that this specification describes according to various embodiments
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with
The other embodiments of understanding.
The series of detailed descriptions listed above are illustrated only for possible embodiments of the invention,
The protection scope that they are not intended to limit the invention, it is all without departing from equivalent embodiment made by technical spirit of the present invention or change
It should all be included in the protection scope of the present invention.
Claims (7)
1. the Turo pump of cutting blade built in a kind of pump housing, which is characterized in that including the pump housing (1), rear pump cover (6) and pump shaft
(10)；
The pump housing (1) front center is equipped with import (2), and the pump housing (1) side is equipped with outlet (4)；
The rear pump cover (6) is located at the pump housing (1) rear, rear pump cover (6) two sides and connects by the way that fastening bolt (8) and the pump housing (1) are fixed
It connects, rear pump cover (6) is fixedly connected with machine capping (9)；Impeller (3) are equipped with before the rear pump cover (6), the front side of impeller (3) is equipped with
Without phyllocyst (19), no phyllocyst (19) and outlet (4) be located on same circle core shaft, the pump housing (1) at the import (2) without phyllocyst
(19) inner wall is equipped with one group of blade (13) being arranged symmetrically；
The pump shaft (10) passes through to be fixedly connected on rear side of the Kong Bingyu impeller (3) in the middle part of rear pump cover (6), and pump shaft (10) passes through outside it
Bearing block (11) support in week can simultaneously be freely rotated in bearing block (11), and the bearing block (11) and rear pump cover (6) are fixed and connected
It connects；
The blade (13) is in circular arc curved shape；The starting point (16) of the blade (13) is fixed on the inner wall of the pump housing (1)；Knife
The end (15) of piece (13) be it is pointed, the arc-shaped concave is towards inside；
The angle δ of the starting point (14) of the blade (13) to end (15) is 20 ~ 40 degree；
The thickness of the blade (13) successively uniformly successively decreases from starting point (14) to end (15)；
The starting point (14) of the blade (13) with a thickness of 1 ~ 3mm；
The end (15) of the blade (13) with a thickness of 0 ~ 0.6mm；
The cutting edge (17) of the blade (13) is taper；
The length C of blade (13) transverse direction is 0.5 times of no phyllocyst (19) width L；
The blade width B of the blade (13) is outlet (4) diameter Dc0.5 times；
It is import (2) diameter D that blade (13) placing height, which is relative to pump shaft (10) center line distance A,j0.56
Times.
2. the Turo pump of cutting blade built in the pump housing according to claim 1, which is characterized in that the number of the blade (13)
Amount is 2.
3. the Turo pump of cutting blade built in the pump housing according to claim 1, which is characterized in that the blade (13) is risen
Beginning (16) uses and welds or rivets the inner wall that structure is fixed on the pump housing (1).
4. the Turo pump of cutting blade built in the pump housing according to claim 1, which is characterized in that the pump shaft (10) is with after
Pump cover (6) is closed by mechanical seal (22).
5. the Turo pump of cutting blade built in the pump housing according to claim 1, which is characterized in that the pump shaft (10) and axis
It holds and is equipped with bearing (12) between seat (11).
6. the Turo pump of cutting blade built in the pump housing according to claim 1, which is characterized in that on rear side of the impeller (3)
It is connect with pump shaft (10) by key (20), and is fastenedly connected by impeller nut (21) with pump shaft (10).
7. the Turo pump of cutting blade built in the pump housing according to claim 1, which is characterized in that the rear pump cover (6) with
Sealing ring (5) are equipped between the pump housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283294.7A CN106949068B (en) | 2017-04-26 | 2017-04-26 | The Turo pump of cutting blade built in a kind of pump housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283294.7A CN106949068B (en) | 2017-04-26 | 2017-04-26 | The Turo pump of cutting blade built in a kind of pump housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106949068A CN106949068A (en) | 2017-07-14 |
| CN106949068B true CN106949068B (en) | 2019-10-01 |
Family
ID=59477495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710283294.7A Active CN106949068B (en) | 2017-04-26 | 2017-04-26 | The Turo pump of cutting blade built in a kind of pump housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106949068B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630421A (en) * | 2018-12-25 | 2019-04-16 | 三联泵业股份有限公司 | A kind of solid-liquid two-phase flow spiral-flow type transh pump |
| CN114623083A (en) * | 2022-03-11 | 2022-06-14 | 南方环境科技(杭州)有限公司 | Granular sludge delivery pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4076179A (en) * | 1976-04-22 | 1978-02-28 | Kabushiki Kaisha Sogo Pump Seisakusho | Centrifugal sewage pump |
| CN2775354Y (en) * | 2005-03-23 | 2006-04-26 | 大连深蓝泵业有限公司 | Anti-blocking long shaft submerged pump |
| CN101644270A (en) * | 2009-08-31 | 2010-02-10 | 朱明江 | Cut-up type blow-down pump |
| CN203223418U (en) * | 2013-03-19 | 2013-10-02 | 大连振源泵业有限公司 | Cyclone pump |
| CN104481917A (en) * | 2014-09-03 | 2015-04-01 | 江苏大学 | Semi-open type self-cutting blocking-free pump impeller for shearing structure |
| CN105545755A (en) * | 2015-12-30 | 2016-05-04 | 安徽安龙机械有限公司 | Anti-blocking cassava alcohol pump |
-
2017
- 2017-04-26 CN CN201710283294.7A patent/CN106949068B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4076179A (en) * | 1976-04-22 | 1978-02-28 | Kabushiki Kaisha Sogo Pump Seisakusho | Centrifugal sewage pump |
| CN2775354Y (en) * | 2005-03-23 | 2006-04-26 | 大连深蓝泵业有限公司 | Anti-blocking long shaft submerged pump |
| CN101644270A (en) * | 2009-08-31 | 2010-02-10 | 朱明江 | Cut-up type blow-down pump |
| CN203223418U (en) * | 2013-03-19 | 2013-10-02 | 大连振源泵业有限公司 | Cyclone pump |
| CN104481917A (en) * | 2014-09-03 | 2015-04-01 | 江苏大学 | Semi-open type self-cutting blocking-free pump impeller for shearing structure |
| CN105545755A (en) * | 2015-12-30 | 2016-05-04 | 安徽安龙机械有限公司 | Anti-blocking cassava alcohol pump |
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| Publication number | Publication date |
|---|---|
| CN106949068A (en) | 2017-07-14 |
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