CN113638914A - Novel submersible sewage pump - Google Patents
Novel submersible sewage pump Download PDFInfo
- Publication number
- CN113638914A CN113638914A CN202110928660.6A CN202110928660A CN113638914A CN 113638914 A CN113638914 A CN 113638914A CN 202110928660 A CN202110928660 A CN 202110928660A CN 113638914 A CN113638914 A CN 113638914A
- Authority
- CN
- China
- Prior art keywords
- sewage pump
- water inlet
- inlet pipe
- pump main
- pipe orifice
- 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.)
- Withdrawn
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
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- 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
- F04D13/0653—Units comprising pumps and their driving means the pump being electrically driven the motor being flooded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/185—Rotors consisting of a plurality of wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2288—Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—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
- F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—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
- F04D29/60—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
-
- 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 novel submersible sewage pump, which comprises a sewage pump main body and a bracket arranged on the side wall of the lower part of the sewage pump main body, wherein a water inlet pipe orifice is arranged at the bottom of the sewage pump main body, a sewage discharge pipe is arranged on the side wall of the sewage pump main body, a protective isolation cover is detachably arranged on the outer wall of the water inlet pipe orifice, the protective isolation cover comprises an isolation cover body and a connecting ring plate used for installing the isolation cover body on the water inlet pipe orifice, a slotted hole used for installing a connecting screw is formed in the connecting ring plate, a rubber sealing sheet covers the outer end surface of the slotted hole, and a rubber extrusion pad is arranged on the connecting surface of the connecting ring plate and the water inlet pipe orifice; a double-flow-channel cut-off type non-clogging impeller is arranged on one side of the sewage pump main body, which is close to a water inlet pipe orifice, and the upper end of the double-flow-channel cut-off type non-clogging impeller is connected with an auxiliary impeller; the inner wall of the water inlet pipe is provided with an annular chassis, the annular chassis is provided with a plurality of stop blocks, and gaps between adjacent stop blocks are rotary radial notches.
Description
Technical Field
The invention relates to the technical field of sewage pumps, in particular to a novel submersible sewage pump.
Background
The sewage pump is a pump product which is connected with a motor and simultaneously submerged into liquid to work, and compared with a common horizontal pump or a vertical sewage pump, the sewage pump has compact structure and convenient installation and maintenance, and a large-scale sewage pump is generally provided with an automatic coupling device to be automatically installed and is quite convenient to install and maintain. The continuous operation time is long. The sewage pump has the advantages that the pump and the motor are coaxial, the shaft is short, the rotating parts are light in weight, so that the load (radial direction) borne by the bearings is relatively small, and the service life is much longer than that of a common pump. The problems of cavitation damage, irrigation and water diversion and the like do not exist. Particularly, the latter point brings great convenience to operators. The vibration noise is small, the temperature rise of the motor is low, and the environment is not polluted. With the continuous acceleration of the progress of the national cities and towns, the rural population is continuously transferred to the cities and towns, the urban area and the population are continuously increased, and the amount of wastewater is also continuously increased; meanwhile, people pay attention to the environment, production sewage, domestic sewage and initial rainwater need to be treated in a centralized manner and then discharged, desilting is needed in some sewage storage places, and a sewage pump is needed for lifting and conveying; in the prior art, various scum, plastic products or other similar matters generally exist in sewage, and the impurities block the water inlet pipe opening, so that sewage is conveyed smoothly, the normal work of the sewage pump is influenced, the damage of a motor is caused, the working efficiency of the sewage pump is reduced, and the service life is shortened.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel submersible sewage pump which is simple in structure and can effectively prevent scum or particulate matters from entering the sewage pump, aiming at the defects in the prior art.
The invention aims to provide a novel submersible sewage pump, which comprises a sewage pump main body and a support arranged on the side wall of the lower part of the sewage pump main body and used for supporting, wherein the bottom of the sewage pump main body is provided with a water inlet pipe orifice, the side wall of the sewage pump main body is provided with a sewage discharge pipe, the outer wall of the water inlet pipe orifice is detachably provided with a protective isolation cover, the protective isolation cover comprises an isolation cover body and a connecting ring plate used for installing the isolation cover body on the water inlet pipe orifice, the connecting ring plate is provided with a slotted hole used for installing a connecting screw, the outer end surface of the slotted hole is covered and provided with a rubber sealing sheet, and the connecting surface of the connecting ring plate and the water inlet pipe orifice is provided with a rubber extrusion pad; one side of the dredge pump main body, which is close to the water inlet pipe opening, is provided with a double-flow-passage cut-off type non-blocking impeller, and the upper end of the double-flow-passage cut-off type non-blocking impeller is connected with an auxiliary impeller.
Furthermore, an annular chassis is arranged on the inner wall of the water inlet pipe orifice, a plurality of stop blocks are arranged on the annular chassis, and gaps between the adjacent stop blocks are in rotary radial cuts; the top of dredge pump main part is provided with the handle, is provided with the notch that is used for articulating the stay cord on the top inner wall of this handle.
Furthermore, a water level sensor is arranged on the outer wall of the water inlet pipe orifice, the water level sensor is a CYW11 universal type input liquid level transmitter, and the water level sensor is connected with an external control end through a control line.
Furthermore, the support comprises a top plate, a base and a plurality of support rods arranged between the top plate and the base, a through hole for the water inlet pipe to pass through is formed in the middle of the top plate, and a ring of annular flanges used for clamping the sewage pump main body are arranged on the outer side of the top plate in a surrounding mode.
Further, the external diameter of base is greater than the external diameter of roof, the bracing piece is the circumference and arranges just between board and base the bracing piece is the rectangular cylinder structure, and the upper and lower terminal surface of bracing piece all is the inclined plane.
The invention has the beneficial technical effects that: according to the invention, impurities can be filtered through the protective isolation cover arranged on the water inlet pipe orifice, so that floating garbage or granular impurities are prevented from entering the interior of the pump body to cause blockage or damage to the pump body, the service life of the sewage pump is effectively prolonged, the rubber splicing sealing sheet is arranged at the notch of the slotted hole, the rubber splicing sealing sheet protects a connecting screw in a hidden groove, and the ball arranged on the surface of the rubber splicing sealing sheet is convenient for the screw driver to be screwed after being inserted; in addition, the clearance between the dog is rotatory radial incision structure in the cyclic annular chassis for form centrifugal force behind the water inlet incision for intaking, can stir into the suspended solid with small precipitate, cooperation double-flow-passage cut-off type does not have the jam impeller and uses, has promoted the quick pump drainage ability of dredge pump greatly, can carry out the desilting of certain degree in the blowdown.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the annular base plate of the present invention;
FIG. 3 is a schematic structural view of the stent of the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inside", "outside", "lateral", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-4, the submersible sewage pump of the present invention comprises a sewage pump main body 1 and a support 2 arranged on a side wall of a lower portion of the sewage pump main body 1 for supporting, wherein a water inlet pipe orifice 3 is arranged at a bottom of the sewage pump main body 1, a sewage pipe 4 is arranged on a side wall of the sewage pump main body 1, a protective isolation cover 5 is detachably arranged on an outer wall of the water inlet pipe orifice 3, the protective isolation cover 5 comprises an isolation cover body and a connection ring plate 6 for mounting the isolation cover body on the water inlet pipe orifice 3, a slot hole 8 for mounting a connection screw 7 is formed on the connection ring plate 6, a rubber sealing sheet 9 is covered on an outer end surface of the slot hole 8, and a rubber extrusion pad 10 is arranged on a connection surface of the connection ring plate 6 and the water inlet pipe orifice 3; one side of the dredge pump main body 1 close to the water inlet pipe orifice 3 is provided with a double-flow-passage cut-off type non-clogging impeller 11, and the upper end of the double-flow-passage cut-off type non-clogging impeller 11 is connected with an auxiliary impeller 12.
Referring to fig. 2, an annular chassis 13 is arranged on the inner wall of the water inlet pipe orifice 3, a plurality of stop blocks 14 are arranged on the annular chassis 13, and gaps between adjacent stop blocks 14 are rotary radial notches 15; the top of the dredge pump main body 1 is provided with a handle 16, and the inner wall of the top of the handle 16 is provided with a concave notch 17 for hanging a pull rope. The outer wall of the water inlet pipe mouth 3 is provided with a water level sensor 18, the water level sensor 18 is a CYW11 universal type input liquid level transmitter, and the water level sensor 18 is connected with an external control end through a control line.
Referring to fig. 3, the bracket 2 includes a top plate 19, a base 20 and a plurality of support rods 21 arranged between the top plate 19 and the base 20, a through hole for the water inlet pipe 3 to pass through is formed in the middle of the top plate 19, and a ring-shaped flange 22 for clamping the sewage pump body 1 is arranged around the outer side of the top plate 19. The external diameter of base 20 is greater than the external diameter of roof 19, bracing piece 21 is the circumference and arranges just between board and base the bracing piece is the rectangular cylinder structure, and the upper and lower terminal surface of bracing piece 21 all is the inclined plane.
According to the invention, impurities can be filtered through the protective isolation cover arranged on the water inlet pipe orifice, so that floating garbage or granular impurities are prevented from entering the interior of the pump body to cause blockage or damage to the pump body, the service life of the sewage pump is effectively prolonged, the rubber splicing sealing sheet is arranged at the notch of the slotted hole, the rubber splicing sealing sheet protects a connecting screw in a hidden groove, and the ball arranged on the surface of the rubber splicing sealing sheet is convenient for the screw driver to be screwed after being inserted; in addition, the clearance between the dog is rotatory radial incision structure in the cyclic annular chassis for form centrifugal force behind the water inlet incision for intaking, can stir into the suspended solid with small precipitate, cooperation double-flow-passage cut-off type does not have the jam impeller and uses, has promoted the quick pump drainage ability of dredge pump greatly, can carry out the desilting of certain degree in the blowdown.
The specific embodiments described herein are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a novel submersible sewage pump, includes the sewage pump main part and sets up the support that is used for supporting on the lateral wall of sewage pump main part lower part, the bottom of sewage pump main part is provided with water inlet pipe, is provided with blow off pipe, its characterized in that on the lateral wall of sewage pump main part: the outer wall of the water inlet pipe orifice is detachably provided with a protective isolation cover, the protective isolation cover comprises an isolation cover body and a connecting ring plate used for installing the isolation cover body on the water inlet pipe orifice, the connecting ring plate is provided with a slotted hole used for installing a connecting screw, the outer end face of the slotted hole is covered with a rubber sealing sheet, and the connecting face of the connecting ring plate and the water inlet pipe orifice is provided with a rubber extrusion pad; one side of the dredge pump main body, which is close to the water inlet pipe opening, is provided with a double-flow-passage cut-off type non-blocking impeller, and the upper end of the double-flow-passage cut-off type non-blocking impeller is connected with an auxiliary impeller.
2. The submersible sewage pump of claim 1, wherein: an annular chassis is arranged on the inner wall of the water inlet pipe orifice, a plurality of stop blocks are arranged on the annular chassis, and gaps between adjacent stop blocks are in rotary radial cuts; the top of dredge pump main part is provided with the handle, is provided with the notch that is used for articulating the stay cord on the top inner wall of this handle.
3. The submersible sewage pump of claim 1 or 2, wherein: and a water level sensor is arranged on the outer wall of the water inlet pipe orifice, the water level sensor is a CYW11 universal type input type liquid level transmitter, and the water level sensor is connected with an external control end through a control line.
4. The submersible sewage pump of claim 3, wherein: the support comprises a top plate, a base and a plurality of supporting rods arranged between the top plate and the base, a through hole for the water inlet pipe to pass through is formed in the middle of the top plate, and a ring of annular flanges used for clamping the sewage pump main body are arranged on the outer side of the top plate in a surrounding mode.
5. The submersible sewage pump of claim 4, wherein: the outer diameter of the base is larger than that of the top plate, the supporting rods are arranged between the plate and the base in a circumferential mode and are of rectangular cylinder structures, and the upper end face and the lower end face of each supporting rod are inclined planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928660.6A CN113638914A (en) | 2021-08-13 | 2021-08-13 | Novel submersible sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928660.6A CN113638914A (en) | 2021-08-13 | 2021-08-13 | Novel submersible sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113638914A true CN113638914A (en) | 2021-11-12 |
Family
ID=78421465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110928660.6A Withdrawn CN113638914A (en) | 2021-08-13 | 2021-08-13 | Novel submersible sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113638914A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118273987A (en) * | 2024-05-31 | 2024-07-02 | 上海胤旭机电设备股份有限公司 | Impurity separation type suspension sewage pump and working method thereof |
| CN118273987B (en) * | 2024-05-31 | 2024-09-27 | 上海胤旭机电设备股份有限公司 | Impurity separation type suspension sewage pump and working method thereof |
-
2021
- 2021-08-13 CN CN202110928660.6A patent/CN113638914A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118273987A (en) * | 2024-05-31 | 2024-07-02 | 上海胤旭机电设备股份有限公司 | Impurity separation type suspension sewage pump and working method thereof |
| CN118273987B (en) * | 2024-05-31 | 2024-09-27 | 上海胤旭机电设备股份有限公司 | Impurity separation type suspension sewage pump and working method thereof |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211112 |
|
| WW01 | Invention patent application withdrawn after publication |