CN112502989A - Automatic stirring non-blocking sludge pump - Google Patents

Automatic stirring non-blocking sludge pump Download PDF

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Publication number
CN112502989A
CN112502989A CN202011541249.5A CN202011541249A CN112502989A CN 112502989 A CN112502989 A CN 112502989A CN 202011541249 A CN202011541249 A CN 202011541249A CN 112502989 A CN112502989 A CN 112502989A
Authority
CN
China
Prior art keywords
impeller
water inlet
pump
automatic stirring
blade
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
Application number
CN202011541249.5A
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Chinese (zh)
Inventor
葛杰
李海尧
许龙波
曾李峰
蔡金峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shimge Pump Co Ltd
Original Assignee
Zhejiang Shimge Pump Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Shimge Pump Co Ltd filed Critical Zhejiang Shimge Pump Co Ltd
Priority to CN202011541249.5A priority Critical patent/CN112502989A/en
Publication of CN112502989A publication Critical patent/CN112502989A/en
Pending legal-status Critical Current

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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
    • 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
    • F04D29/02—Selection of particular materials
    • F04D29/026—Selection of particular materials 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
    • F04D29/245—Geometry, shape for special effects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps

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  • 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 relates to an automatic stirring non-blocking sludge pump, which solves the problem that a water inlet is easy to block in the prior art, and adopts the technical scheme that: the impeller is characterized in that a hub of the impeller is conical, a small head end of the hub penetrates out of the water inlet, an extension section is arranged outside the shell, blades of the impeller are spiral centrifugal blades, the blades spirally extend to the other end of the hub from one end of the hub, and the blades are provided with the extension section outside the shell. The method has the following effects: the special construction of impeller (having the impeller function of dredge pump, the extension section that the impeller stretches out from the water inlet has the function of stirring silt, silt again), can form the extension section in the water inlet outside of the pump body, the extension section forms the impeller effect of stirring, reach the purpose of stirring silt, avoid silt to block up the water inlet, adopt spiral centrifugal blade, not only can improve the effect of stirring silt, also be favorable to improving the work efficiency of dredge pump moreover.

Description

Automatic stirring non-blocking sludge pump
Technical Field
The invention relates to a sofa, in particular to an automatic stirring non-blocking sludge pump.
Background
The sewage pump is applied to the places with much silt and silt, such as a fish pond, a gravel yard and the like, if the sewage pump stops working for a long time, the water inlet of the sewage pump is easily filled with the silt and the silt, and the water inlet is blocked after the silt and the silt are agglomerated, so that the sewage pump cannot absorb water. The conventional dredge pump adopts the following solution: the pump shaft is lengthened, the pump shaft extends out of the pump body, and a stirring knife is arranged at the pump shaft part outside the pump body. The sewage pump of this structure has problems: 1. the stirring knife is easy to wear and fall off after being used for a long time. 2. The assembly is more complicated, the production and assembly efficiency is lower, the cost is higher, and the maintenance and the repair are not convenient. 3. The inner wall of the pump body is a smooth inner wall, the impeller and the pump body are only in clearance fit, silt is easily clamped in a clearance between the impeller and the pump body, the impeller is clamped, and the sewage pump cannot be normally used. 4. The impeller of the sewage pump has relatively weak wear resistance, is easy to resist wear and has weak cutting capability.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide an automatic stirring non-blocking dredge pump, and the special structure of the impeller can form an extension section outside a water inlet of a pump body, the extension section forms a stirring impeller effect, so that the aim of stirring silt and silt is achieved, the water inlet is prevented from being blocked by the silt and the silt, and the spiral centrifugal blades are adopted, so that the effect of stirring the silt and the silt can be improved, and the working efficiency of the dredge pump is also improved.
The technical purpose of the invention is mainly solved by the following technical scheme: automatic stirring is not had and is blockked up dredge pump, including the pump body, sets up the impeller in the pump body, set up water inlet and delivery port on the pump body, the water inlet sets up the axis of the pump body corresponds the position, the delivery port sets up the radial relevant position of the pump body, its characterized in that the wheel hub of impeller is the toper, the microcephaly end of wheel hub is worn out the water inlet, and the outside of casing has the extension section, the blade of impeller is spiral centrifugal blade, the blade is followed wheel hub's one end spiral is coiled and is extended to wheel hub's the other end, the blade is in the outside of casing has the extension section. The special structure of impeller can form the extension section in the water inlet outside of the pump body, and the extension section forms the impeller effect of stirring, reaches the purpose of stirring silt, avoids silt to block up the water inlet, adopts spiral centrifugal blade, not only can improve the effect of stirring silt, also is favorable to improving the work efficiency of dredge pump moreover.
As a further improvement and supplement to the above technical solution, the present invention adopts the following technical measures:
the blades are double blades, the spiral curvatures of the two blades are consistent, and the two blades are axially arranged at intervals. The impeller adopting the double-blade mode further improves the effect of stirring silt and improves the working efficiency of the sewage pump.
The blades correspond to the water inlet position, and the outer diameter of each blade is matched with the inner diameter of the water inlet.
The inner wall of the pump body is provided with a spiral groove, and the spiral groove is arranged corresponding to the corresponding part of the blade. Typically, the helical groove is provided in the flow passage of the pump body.
The inner and the grease chamber lid cooperation of impeller, grease chamber lid orientation the one side of impeller sets up the recess, the recess is the plural number strip, the recess is the arc recess, the recess uses the axis to be central distribution as the center.
The impeller is an open impeller, the impeller comprises an impeller cover, one surface of the impeller cover is matched with the large end of the hub, and the other surface of the impeller cover is matched with the oil chamber cover.
And one end of the pump body, which is far away from the motor, is provided with a supporting leg.
The impeller is made of 7Cr17 MOV. The 7Cr17MOV is special alloy steel, the hardness is hard, the impeller cast by the 7Cr17MOV is more wear-resistant and has stronger cutting capability, the extension section (which plays the role of stirring the impeller and is used for stirring silt and can be called as a stirring blade impeller) extending out of the water inlet of the impeller and the impeller body are of an integrated structure, the installation and processing cost is saved for producers, the use is more convenient for users, and the maintenance and the repair are easier.
The invention has the following beneficial effects: 1. the special construction of impeller (having the impeller function of dredge pump, the extension section that the impeller stretches out from the water inlet has the function of stirring silt, silt again), can form the extension section in the water inlet outside of the pump body, the extension section forms the impeller effect of stirring, reach the purpose of stirring silt, avoid silt to block up the water inlet, adopt spiral centrifugal blade, not only can improve the effect of stirring silt, also be favorable to improving the work efficiency of dredge pump moreover. 2. The inner wall (runner position) of the pump body is provided with a spiral groove, and the spiral groove is arranged corresponding to the corresponding part of the blade, so that the impeller can be prevented from being blocked. 3. The impeller is made of 7Cr17MOV special alloy steel, the impeller is hard in hardness, the impeller cast by the 7Cr17MOV is more wear-resistant and has stronger cutting capacity, the extension section (which plays a role of stirring the impeller and is used for stirring silt and can be called as a stirring blade impeller) extending out of the water inlet of the impeller and the impeller body are of an integrated structure, the installation and processing cost is saved for producers, the impeller is more convenient to use for users, and the impeller is easier to maintain and repair.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Figure 2 is a schematic illustration of an explosive structure according to the present invention.
Fig. 3 is a schematic cross-sectional structure of the present invention.
Fig. 4 is a schematic view of a pump body according to the present invention.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): as shown in fig. 1-4, the automatic stirring non-clogging dredge pump includes a pump body 1 and an impeller 2 disposed in the pump body, wherein the pump body is provided with a water inlet 11 and a water outlet 13, the water inlet is disposed at a position corresponding to an axis of the pump body, the water outlet is disposed at a position corresponding to a radial direction of the pump body, a hub 21 of the impeller is tapered, a small end of the hub penetrates through the water inlet and has an extension section outside the casing, blades of the impeller are spiral centrifugal blades 22, the blades extend from one end of the hub to the other end of the hub in a spiral winding manner, and the blades have an extension section outside the casing. The special structure of impeller can form the extension section in the water inlet outside of the pump body, and the extension section forms the impeller effect of stirring, reaches the purpose of stirring silt, avoids silt to block up the water inlet, adopts spiral centrifugal blade, not only can improve the effect of stirring silt, also is favorable to improving the work efficiency of dredge pump moreover.
The blades 22 are double blades, the spiral curvatures of the two blades are consistent, and the two blades are axially arranged at intervals. The impeller adopting the double-blade mode further improves the effect of stirring silt and improves the working efficiency of the sewage pump.
The blades correspond to the water inlet position, and the outer diameter of each blade is matched with the inner diameter of the water inlet.
The inner wall of the pump body is provided with a spiral groove 12, and the spiral groove is arranged corresponding to the corresponding part of the blade. Typically, the helical groove is provided in the flow passage of the pump body.
The inner of impeller and the cooperation of oil chamber cover 3, oil chamber cover orientation the one side of impeller sets up recess 31, the recess is the plural number strip, the recess is the arc recess, the recess uses the axis to be central distribution.
The impeller is an open impeller, the impeller comprises an impeller cover 23, one surface of the impeller cover is matched with the large end of the hub, and the other surface of the impeller cover is matched with the oil chamber cover.
And one end of the pump body, which is far away from the motor, is provided with a supporting leg 14.
The impeller is made of 7Cr17 MOV. The 7Cr17MOV is special alloy steel, the hardness is hard, the impeller cast by the 7Cr17MOV is more wear-resistant and has stronger cutting capability, the extension section (which plays the role of stirring the impeller and is used for stirring silt and can be called as a stirring blade impeller) extending out of the water inlet of the impeller and the impeller body are of an integrated structure, the installation and processing cost is saved for producers, the use is more convenient for users, and the maintenance and the repair are easier.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. In the above embodiments, the present invention may be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. Automatic stirring is not had and is blockked up dredge pump, including the pump body, sets up the impeller in the pump body, set up water inlet and delivery port on the pump body, the water inlet sets up the axis of the pump body corresponds the position, the delivery port sets up the radial relevant position of the pump body, its characterized in that the wheel hub of impeller is the toper, the microcephaly end of wheel hub is worn out the water inlet, and the outside of casing has the extension section, the blade of impeller is the centrifugal blade of spiral, the blade is followed wheel hub's one end spiral is coiled and is extended to wheel hub's the other end, the blade is in the outside of casing has the extension section.
2. The automatic stirring non-clogging dredge pump of claim 1 wherein said vanes are double vanes, the helical curvature of both said vanes being identical, the two said vanes being axially spaced.
3. The automatic stirring non-clogging dredge pump of claim 1 or 2, characterized in that the blade corresponds to the water inlet position, the outer diameter of the blade is adapted to the inner diameter of the water inlet.
4. The automatic stirring non-clogging dredge pump of claim 1 or 2, characterized in that the inner wall of the pump body is provided with a spiral groove, and the spiral groove is arranged corresponding to the corresponding part of the blade.
5. The automatic stirring non-clogging dredge pump of claim 3 wherein the inner wall of the pump body is provided with a helical groove, said helical groove being disposed in correspondence with the corresponding portion of said blade.
6. The automatic stirring non-clogging dredge pump of claim 5, characterized in that the inner end of the impeller cooperates with an oil chamber cover, one side of the oil chamber cover facing the impeller is provided with a plurality of grooves, the grooves are arc-shaped grooves, and the grooves are distributed with the axis as the center.
7. The automatic stirring clogging-free dredge pump of claim 6 wherein the impeller is an open impeller, the impeller comprising an impeller cover, one face of the impeller cover cooperating with the large end of the hub, the other face of the impeller cover cooperating with the oil chamber cover.
8. The automatic stirring non-clogging dredge pump of claim 7 wherein the end of the pump body away from the motor is provided with a support foot.
9. The automatic stirring non-clogging dredge pump of claim 1 or 2 wherein the impeller is made of 7Cr17 MOV.
10. The automatic stirring non-clogging dredge pump of claim 8 wherein the impeller is made of 7Cr17 MOV.
CN202011541249.5A 2020-12-23 2020-12-23 Automatic stirring non-blocking sludge pump Pending CN112502989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011541249.5A CN112502989A (en) 2020-12-23 2020-12-23 Automatic stirring non-blocking sludge pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011541249.5A CN112502989A (en) 2020-12-23 2020-12-23 Automatic stirring non-blocking sludge pump

Publications (1)

Publication Number Publication Date
CN112502989A true CN112502989A (en) 2021-03-16

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Application Number Title Priority Date Filing Date
CN202011541249.5A Pending CN112502989A (en) 2020-12-23 2020-12-23 Automatic stirring non-blocking sludge pump

Country Status (1)

Country Link
CN (1) CN112502989A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113062864A (en) * 2021-03-25 2021-07-02 三联泵业股份有限公司 Circulating water pump
CN114738291A (en) * 2022-04-25 2022-07-12 江苏泰丰泵业有限公司 Intelligent sewage pump with autonomous dredging function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113062864A (en) * 2021-03-25 2021-07-02 三联泵业股份有限公司 Circulating water pump
CN113062864B (en) * 2021-03-25 2022-12-09 三联泵业股份有限公司 Circulating water pump
CN114738291A (en) * 2022-04-25 2022-07-12 江苏泰丰泵业有限公司 Intelligent sewage pump with autonomous dredging function
CN114738291B (en) * 2022-04-25 2023-06-23 江苏泰丰泵业有限公司 Intelligent sewage pump with autonomous dredging function

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