CN114776596A - Single-stage blade type centrifugal pump with liquid drainage, filter residue and slag removal functions - Google Patents

Single-stage blade type centrifugal pump with liquid drainage, filter residue and slag removal functions Download PDF

Info

Publication number
CN114776596A
CN114776596A CN202210075003.6A CN202210075003A CN114776596A CN 114776596 A CN114776596 A CN 114776596A CN 202210075003 A CN202210075003 A CN 202210075003A CN 114776596 A CN114776596 A CN 114776596A
Authority
CN
China
Prior art keywords
fixedly connected
flange
pipe
disc
flange plate
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
CN202210075003.6A
Other languages
Chinese (zh)
Inventor
张卫杰
杨江峰
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202210075003.6A priority Critical patent/CN114776596A/en
Publication of CN114776596A publication Critical patent/CN114776596A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/086Sealings especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2205Conventional flow pattern
    • F04D29/2222Construction and assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/62Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/70Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to the technical field of centrifugal pumps, in particular to a single-stage blade type centrifugal pump with functions of discharging liquid, filtering residues and removing residues, which comprises a pump body, wherein a first flange plate is arranged on one side of the outer wall of the pump body, a communicating pipe is fixedly connected to one side of the first flange plate, which is far away from the pump body, one end of the communicating pipe, which is far away from the first flange plate, is fixedly connected with a second flange plate, and a residue removing device is arranged on one side of the second flange plate, which is far away from the communicating pipe; the deslagging device comprises a third flange plate, and one side, far away from the second flange plate, of the third flange plate is fixedly connected with a first pipe. According to the invention, water entering the slag removing device can be filtered by the gauze, sand and stone are filtered, and meanwhile, sand and stone attached to the gauze can be sucked into the slag suction groove and then discharged out of the slag removing device through the transmission structure, so that the purposes of primary filtering and slag removing are realized, the manual periodical cleaning of sand and stone in the centrifugal pump is not needed, the damage to the impeller is reduced, and the service life of the impeller is prolonged.

Description

Single-stage blade type centrifugal pump with liquid drainage, filter residue and slag removal functions
Technical Field
The invention relates to the field of centrifugal pumps, in particular to a single-stage blade type centrifugal pump with functions of discharging liquid, filtering residues and removing residues.
Background
The single-stage centrifugal pump has the working principle that centrifugal force is generated through rotation of the impeller, water in the impeller channel is thrown to the periphery under the action of the centrifugal force and flows into the pump shell, the central pressure of the impeller is reduced, and water in the water suction well flows into the impeller under the action of the pressure of the water inlet pipe, so that water is continuously sucked and supplied, and the spiral pump shell also fulfills the task of converting most of kinetic energy of the water thrown out of the impeller into pressure energy and stably guiding the pressure energy to the water conveying pipeline.
In the patent of publication No. CN201710531856.5, a centrifugal pump convenient to clearance is disclosed, the device utilizes the metal mesh to filter impurity, scrapes the residue through with metal filters on net clean, prevents the filter effect variation, has improved the life of centrifugal pump and metal mesh. However, when the centrifugal pump is actually used, the residue in the residue collecting box in the centrifugal pump needs to be cleaned manually, and the centrifugal pump is troublesome because of no automatic residue filtering and removing functions.
Therefore, it is necessary to provide a single-stage vane centrifugal pump with the functions of draining liquid, filtering residue and removing slag to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a single-stage blade type centrifugal pump with the functions of draining liquid, filtering residues and removing residues.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a single-stage vane type centrifugal pump with flowing back filter residue slagging-off function, includes the pump body, pump body outer wall one side is equipped with first ring flange, pump body one side fixedly connected with communicating pipe is kept away from to first ring flange, first ring flange one end fixedly connected with second ring flange is kept away from communicating pipe, the second ring flange is kept away from communicating pipe one side and is equipped with dross removal mechanism, dross removal mechanism includes woven wire, gauze, row's sediment pipe and inhales the sediment device.
The deslagging device comprises a third flange plate, a first pipe is fixedly connected to one side, away from the second flange plate, of the third flange plate, a ring is connected to one end, close to the third flange plate, of the first pipe in a threaded manner, a metal wire mesh is fixedly connected to the inside of the ring, a gauze is arranged on one side, away from the second flange plate, of the metal wire mesh, the gauze is fixedly connected with the ring, two positioning rings are fixedly connected to the inside of the first pipe, deslagging pipes are fixedly connected to the inside of the two positioning rings, a rotating column is rotatably connected to one side, close to the gauze, of each deslagging pipe, a rotating rod is fixedly connected to one side, close to the deslagging pipes, of each rotating column, one end, away from the corresponding rotating column, of each rotating rod penetrates through the corresponding deslagging pipe, a rotating blade is fixedly connected to one end of each rotating rod, and a spiral blade is fixedly connected to the outer peripheral surface, located inside the corresponding to the corresponding deslagging pipe, of the rotating rod, rotate post outer wall one side fixedly connected with and inhale the sediment device, inhale the sediment device including inhaling the sediment pole, it has the sediment groove of inhaling to inhale the inside division of sediment pole, inhale the sediment groove and rotate the inside intercommunication of post, inhale sediment pole and gauze laminating, arrange sediment bottom of tubes fixedly connected with pipe of slagging tap, the pipe of slagging tap run through first pipe and with first pipe fixed connection, the first check valve of pipe bottom fixedly connected with of slagging tap, third flange dish one end fixedly connected with second check valve is kept away from to first pipe.
Preferably, one side, away from the first ring flange, of the pump body is provided with a mechanical seal device, one end, away from the pump body, of the mechanical seal device is provided with a coupling device, transmission shafts penetrate through the coupling device and the interior of the mechanical seal device, one end, away from the pump body, of the transmission shaft is provided with a motor, and the top end of an output shaft of the motor is fixedly connected with the transmission shafts.
Preferably, the pump body bottom fixedly connected with first supporter, coupling device bottom fixedly connected with second supporter, motor bottom fixedly connected with third supporter, first supporter, second supporter and third supporter bottom fixedly connected with base.
Preferably, pump body top fixedly connected with goes out the water end, pump body outer wall one side fixedly connected with pump cover, the transmission shaft runs through the pump cover and rotates with the pump cover to be connected, the transmission shaft is kept away from motor one end outer peripheral face and is opened there is first keyway, the parallel key has been placed to first keyway inside, the inside first disc that is equipped with of pump body, pump cover one side fixedly connected with gusset is kept away from to first disc, first disc one end fixedly connected with second disc is kept away from to the gusset, the transmission shaft runs through second disc and first disc, first disc and second disc all with transmission shaft sliding connection, the transmission shaft runs through second disc one end threaded connection and has the nut, the nut is laminated with the second disc, the inside second keyway that runs through of first disc, parallel key and second keyway sliding connection.
Preferably, four water inlets distributed in an annular array are formed in the second disc, the number of the rib plates is multiple, and the first disc, the second disc and the plurality of rib plates are combined into a closed impeller.
Preferably, one side, away from the pump cover, of the pump body is fixedly connected with a first special-shaped flange, one side, away from the pump body, of the first special-shaped flange is attached to a second special-shaped flange, one side, away from the first special-shaped flange, of the second special-shaped flange is fixedly connected with a second pipe, one end, away from the second special-shaped flange, of the second pipe is fixedly connected with a fourth flange, and the fourth flange is attached to the first flange.
Preferably, the first special-shaped flange and the second special-shaped flange, the fourth flange plate and the first flange plate, and the second flange plate and the third flange plate are fixedly connected through the matching of bolts and nuts, and the sealing rings are arranged between the first special-shaped flange and the second special-shaped flange, between the fourth flange plate and the first flange plate, and between the second flange plate and the third flange plate.
In the technical scheme, the invention has the following technical effects and advantages:
1. the water entering the deslagging device can be filtered by the gauze, sand and stone are filtered, meanwhile, the sand and stone attached to the gauze can be sucked into the slag suction groove through the transmission structure and then discharged out of the deslagging device, the primary filtering and deslagging purposes are achieved, manual periodical cleaning of the sand and stone in the centrifugal pump is not needed, damage to the impeller is reduced, the service life of the impeller is prolonged, and the economical efficiency is improved;
2. the second one-way valve prevents water in the centrifugal pump from flowing back after the centrifugal pump is stopped, the centrifugal pump can be directly started when working next time, water for submerging the impeller does not need to be injected into the centrifugal pump, and the working efficiency is improved;
3. the device is easy to install and disassemble, simple to operate, convenient to use and convenient to replace the gauze and the wire mesh;
4. fix a position through the parallel key between first disc and the transmission shaft, then fix the second disc on the transmission shaft through the nut, laminate second special-shaped flange and first special-shaped flange at last, and through the cooperation of bolt and nut with second special-shaped flange and first special-shaped flange fixed connection, make this device change the impeller easily, and easy operation, and make up into closed impeller through first disc, second disc and gusset, make this centrifugal pump work efficiency higher.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the pump body and mechanical seal assembly of the present invention;
FIG. 3 is a perspective view of the slag removal apparatus of the present invention;
FIG. 4 is a partial cross-sectional view of the dross removal mechanism of the invention;
FIG. 5 is an enlarged view of the portion A of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the internal structure of the pump body according to the present invention;
FIG. 7 is a schematic view of the connection of the drive shaft to the pump body of the present invention;
FIG. 8 is a schematic view of the connection of a second disk to a first disk in accordance with the present invention;
FIG. 9 is a schematic view of the connection of the first disk to the web of the present invention.
In the figure: the pump body 1, a first flange plate 2, a communicating pipe 3, a second flange plate 4, a deslagging device 5, a third flange plate 6, a first pipe 7, a ring 8, a metal wire mesh 9, a gauze 10, a positioning ring 11, a slag discharge pipe 12, a rotating column 13, a rotating rod 14, a rotating blade 15, a helical blade 16, a slag suction rod 17, a slag suction groove 18, a slag discharge pipe 19, a first check valve 20, a second check valve 21, a mechanical seal device 22, a coupling device 23, a transmission shaft 24, a motor 25, a first support body 26, a second support body 27, a third support body 28, a base 29, a water outlet end 30, a pump cover 31, a flat key 32, a first disk 33, a rib plate 34, a second disk 35, a screw cap 36, a second key groove 37, a water inlet 38, a first special-shaped flange 39, a second special-shaped flange 40, a second pipe 41 and a fourth flange plate 42.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1-5, a single-stage vane-type centrifugal pump with flowing back filter residue slagging-off function, including the pump body 1, 1 outer wall one side of the pump body is equipped with first ring flange 2, 1 one side fixedly connected with communicating pipe 3 of the pump body is kept away from to first ring flange 2, 2 one end fixedly connected with second ring flange 4 of first ring flange are kept away from to communicating pipe 3 for communicating pipe 3, second ring flange 4 is kept away from communicating pipe 3 one side and is equipped with dross removal mechanism 5, dross removal mechanism includes wire mesh, gauze, arranges the sediment pipe and inhales the sediment device.
The deslagging device 5 comprises a third flange plate 6, the third flange plate 6 is fixedly connected with a first pipe 7 far away from one side of a second flange plate 4, one end of the first pipe 7 close to the third flange plate 6 is in threaded connection with a ring 8, a metal wire mesh 9 is fixedly connected inside the ring 8, one side, far away from the second flange plate 4, of the metal wire mesh 9 is provided with a gauze 10, the gauze 10 is fixedly connected with the ring 8, two positioning rings 11 are fixedly connected inside the first pipe 7, two positioning rings 11 are fixedly connected inside slag discharge pipes 12, one side, close to the gauze 10, of each slag discharge pipe 12 is rotatably connected with a rotating column 13, one side, close to the slag discharge pipe 12, of each rotating column 13 is fixedly connected with a rotating rod 14, one end, far away from the rotating column 13, of each rotating rod 14 penetrates through the slag discharge pipe 12 and is rotatably connected with the slag discharge pipe 12, one end, of each rotating rod 14 penetrates through the corresponding rotating blade 15, dwang 14 is located the inside outer peripheral face fixedly connected with helical blade 16 of scum pipe 12, rotate 13 outer wall of post one side fixedly connected with and inhale the sediment device, inhale the sediment device including inhaling sediment pole 17, it has and inhales sediment groove 18 to inhale sediment pole 17 inside opening, inhale sediment groove 18 and rotate the inside intercommunication of post 13, inhale the laminating of sediment pole 17 and gauze 10, scum pipe 12 bottom fixedly connected with of scum pipe 19, scum pipe 19 run through first pipe 7 and with first pipe 7 fixed connection, the first check valve 20 of 19 bottom fixedly connected with of scum pipe, third ring flange 6 one end fixedly connected with second check valve 21 is kept away from to first pipe 7.
Further, in the above technical scheme, one side of the pump body 1, which is far away from the first flange plate 2, is provided with a mechanical seal device 22, one end of the mechanical seal device 22, which is far away from the pump body 1, is provided with a coupling device 23, the coupling device 23 and the mechanical seal device 22 are both internally provided with a transmission shaft 24 in a penetrating manner, one end of the transmission shaft 24, which is far away from the pump body 1, is provided with a motor 25, the top end of an output shaft of the motor 25 is fixedly connected with the transmission shaft 24, output power is provided through the motor 25, the rotating shaft is positioned and limited by the coupling device 23, meanwhile, the centrifugal pump is prevented from leaking through the mechanical seal device 22, and the sealing performance of the centrifugal pump is improved.
Further, in the above technical solution, the bottom of the pump body 1 is fixedly connected with the first support 26, the bottom of the coupling device 23 is fixedly connected with the second support 27, the bottom of the motor 25 is fixedly connected with the third support 28, the bottom of the first support 26, the bottom of the second support 27 and the bottom of the third support 28 are fixedly connected with the base 29, the first support 26, the second support 27 and the third support 28 are positioned through the base 29, and the pump body 1, the coupling device 23 and the motor 25 are respectively supported and fixed through the first support 26, the second support 27 and the third support 28.
The implementation mode is specifically as follows: when the centrifugal pump is started, water enters the first pipe 7 from the second one-way valve 21, the water sequentially passes through the gauze 10, the wire mesh 9 and the communicating pipe 3 and then enters the pump body 1, sand and stone and the like in the water are filtered by the gauze 10, the sand and stone and the like are attached to the gauze 10 because the water flows all the time, the water flow drives the rotating blades 15 to rotate, the rotating blades 15 drive the rotating rod 14 to rotate, the rotating rod 14 drives the spiral blades 16 and the rotating columns 13 to rotate, the rotating columns 13 drive the slag sucking rods 17 to rotate, the slag sucking rods 17 rotate on the gauze 10, the spiral blades 16 drive the water and the sand and stone in the slag discharging pipe 12 to move from one end of the circular ring 8 to the direction of the second one-way valve 21, suction force is generated at the slag sucking grooves 18, the sand and stone on the gauze 10 are sucked into the slag discharging pipe 12 by the slag sucking grooves 18 on the slag sucking rods 17, the sand and stone sequentially pass through the slag sucking grooves 18, the rotating columns 13, the slag discharging pipe 12, the slag discharging pipe 19 and the first one-way valve 20 to be discharged, when the gauze 10 or the metal wire mesh 9 needs to be replaced, the centrifugal pump is closed, then bolts and nuts which are used for connecting the second flange plate 4 and the third flange plate 6 are taken down, then the circular ring 8 is screwed off, the gauze 10 or the metal wire mesh 9 is replaced, sand and stones which are not completely cleaned in the slag discharge pipe 12 are cleaned, the device is installed after the replacement is finished, when the centrifugal pump does not work any more, the second one-way valve 21 prevents water flow from flowing back, when the centrifugal pump is used next time, water which submerges the first circular plate 33 is not needed to be injected into the centrifugal pump, the centrifugal pump can be directly started, water which enters the slag removal device 5 can be filtered by the gauze 10 through the slag removal device 5, the sand and stones are filtered, meanwhile, the sand and stones which are attached to the gauze 10 can be sucked into the slag suction groove 18 through the transmission structure, then the slag removal device 5 is discharged, and the primary filtering and slag removal purposes are realized, need not artifical grit etc. in the periodic cleaning centrifugal pump, the damage to the impeller has been reduced, the life of impeller has been improved, economy has been improved, and prevent through second check valve 21 that the centrifugal pump from shutting down the back, the water reflux in the centrifugal pump, next time during operation can direct start, need not to pour into the water that floods the impeller into in the centrifugal pump, work efficiency has been improved, this device is installed and dismantles easily simultaneously, and operation is simple, high durability and convenient use, be convenient for change gauze 10 and wire mesh 9, this embodiment has specifically solved the residue that still needs the manual work to clear up in the centrifugal pump in the collection sediment box, do not have the function of automatic filter residue and slagging-off, comparatively troublesome problem.
As shown in fig. 6-9: the pump comprises a pump body 1, a water outlet end 30 is fixedly connected to the top of the pump body 1, a pump cover 31 is fixedly connected to one side of the outer wall of the pump body 1, a transmission shaft 24 penetrates through the pump cover 31 and is rotatably connected with the pump cover 31, a first key groove is formed in the outer peripheral surface of one end, away from a motor 25, of the transmission shaft 24, a flat key 32 is placed in the first key groove, a first disc 33 is arranged in the pump body 1, a rib plate 34 is fixedly connected to one side, away from the pump cover 31, of the first disc 33, one end, away from the first disc 33, of the rib plate 34 is fixedly connected with a second disc 35, the transmission shaft 24 penetrates through the second disc 35 and the first disc 33, the first disc 33 and the second disc 35 are both in sliding connection with the transmission shaft 24, a nut 36 is connected to one end, through which penetrates through the second disc 35, the nut 36 is attached to the second disc 35, and a second key groove 37 penetrates through the first disc 33, the flat key 32 is in sliding connection with the second key groove 37;
further, in the above technical solution, four water inlets 38 distributed in an annular array are formed in the second disc 35, the number of the rib plates 34 is set to be multiple, and the first disc 33, the second disc 35 and the plurality of rib plates 34 are combined to form a closed impeller.
Further, in the above technical solution, one side of the pump body 1 away from the pump cover 31 is fixedly connected with a first special-shaped flange 39, one side of the first special-shaped flange 39 away from the pump body 1 is attached with a second special-shaped flange 40, one side of the second special-shaped flange away from the first special-shaped flange 39 is fixedly connected with a second pipe 41, one end of the second pipe 41 away from the second special-shaped flange 40 is fixedly connected with a fourth flange 42, and the fourth flange 42 is attached to the first flange 2.
Further, in the above technical solution, the first special-shaped flange 39 and the second special-shaped flange 40, the fourth flange 42 and the first flange 2, and the second flange 4 and the third flange 6 are all fixedly connected by matching bolts and nuts, and sealing rings are respectively disposed between the first special-shaped flange 39 and the second special-shaped flange 40, between the fourth flange 42 and the first flange 2, and between the second flange 4 and the third flange 6.
The implementation mode is specifically as follows: when the impeller is installed, firstly, the flat key 32 is placed into the first key groove, then the first disc 33 is moved, the first disc 33 and the second disc 35 slide onto the transmission shaft 24, the flat key 32 slides into the second key groove 37, then the screw cap 36 is screwed on the transmission shaft 24, the installation of the impeller is completed, then the second special-shaped flange 40 is attached to the first special-shaped flange 39, the second special-shaped flange 40 is fixedly connected with the first special-shaped flange 39 through the matching of the screw and the nut, the installation is completed, when the impeller is operated, the transmission shaft 24 rotates, the transmission shaft 24 drives the first disc 33, the second disc 35 and the rib plate 34 to rotate, water is thrown to the inner wall of the pump body 1 through centrifugal force, vacuum is generated at the central axis parts of the first disc 33 and the second disc 35, suction is generated at the water inlet 38, the water is sucked from the second pipe 41 and then sequentially passes through the water inlet 38, the space between the first disc 33 and the second disc 35, and the water inlet 38, The pump body 1 is finally discharged from the water outlet end 30, when the impeller is damaged due to long-time work and needs to be maintained, the installation steps are reversely carried out, and then the impeller is replaced; the impeller is positioned through the flat key 32 between the first disk 33 and the transmission shaft 24, the second disk 35 is fixed on the transmission shaft 24 through the nut 36, the second special-shaped flange 40 is attached to the first special-shaped flange, and the second special-shaped flange 40 is fixedly connected with the first special-shaped flange through the matching of the bolt and the nut, so that the impeller of the device is easy to replace, the operation is simple, the first disk 33, the second disk 35 and the rib plate 34 form a closed impeller, the working efficiency of the centrifugal pump is higher, the embodiment specifically solves the problem that the impeller in the centrifugal pump in the prior art is the most easy to cause problems, when the impeller is damaged and needs to be maintained or replaced, the impeller in the existing centrifugal pump is usually troublesome to replace, and the operation is difficult.
The working principle of the invention is as follows:
referring to the attached drawings 1-5 of the specification, when the centrifugal pump is started, water enters the first pipe 7 from the second one-way valve 21, the water sequentially passes through the gauze 10, the wire mesh 9 and the communicating pipe 3 and then enters the pump body 1, sand and stone existing in the water are filtered by the gauze 10, the sand and stone are attached to the gauze 10 more because the water flows all the time, the water flow drives the rotating blades 15 to rotate, the rotating blades 15 drive the rotating rods 14 to rotate, the rotating rods 14 drive the helical blades 16 and the rotating columns 13 to rotate, the rotating columns 13 drive the slag sucking rods 17 to rotate, the slag sucking rods 17 rotate on the gauze 10, the helical blades 16 drive the water and sand in the slag discharge pipe 12 to move from one end of the circular ring 8 to the direction of the second one-way valve 21, the slag sucking grooves 18 generate suction, the sand and stone on the gauze 10 is sucked into the slag discharge pipe 12 by the slag sucking grooves 18 on the slag sucking rods 17, and the sand and stone sequentially passes through the slag discharge grooves 18, the rotating columns 13, the sand and the sand discharge pipe 12, The slag discharge pipe 12, the slag discharge pipe 19 and the first check valve 20 are discharged, when the gauze 10 or the metal wire mesh 9 needs to be replaced, the centrifugal pump is closed, then bolts and nuts for connecting the second flange plate 4 and the third flange plate 6 are taken down, then the circular ring 8 is screwed down, the gauze 10 or the metal wire mesh 9 is replaced, sand and stones which are not completely cleaned in the slag discharge pipe 12 are cleaned, the device is installed after the replacement is finished, when the centrifugal pump does not work any more, the second check valve 21 prevents water flow from flowing back, when the centrifugal pump is used next time, water which submerges the first disc 33 does not need to be injected into the centrifugal pump, and the centrifugal pump can be directly started;
referring to the attached drawings 6-9 of the specification, when the impeller is installed, firstly, the flat key 32 is placed in the first key groove, then the first disc 33 is moved, the first disc 33 and the second disc 35 slide on the transmission shaft 24, the flat key 32 slides in the second flat key 32, then the screw cap 36 is screwed on the transmission shaft 24, the installation of the impeller is completed, then the second special-shaped flange 40 is attached to the first special-shaped flange, the second special-shaped flange 40 is fixedly connected with the first special-shaped flange through the matching of the screw and the nut, the installation is completed, when the impeller is installed, the transmission shaft 24 rotates, the transmission shaft 24 drives the first disc 33, the second disc 35 and the rib plate 34 to rotate, water is thrown to the inner wall of the pump body 1 through centrifugal force, vacuum is generated at the central axis of the first disc 33 and the second disc 35, suction is generated at the water inlet 38, the water is sucked from the second pipe 41, and then sequentially passes through the water inlet 38, When the impeller is damaged due to long-term operation and needs to be repaired, the installation steps are reversed, and then the impeller is replaced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a single-stage vane type centrifugal pump with flowing back filter residue slagging-off function, includes the pump body (1), its characterized in that: the utility model discloses a slag removing device, including the pump body, pump body (1) outer wall one side is equipped with first ring flange (2), pump body (1) one side fixedly connected with communicating pipe (3) is kept away from in first ring flange (2), first ring flange (2) one end fixedly connected with second ring flange (4) are kept away from in communicating pipe (3), second ring flange (4) are kept away from communicating pipe (3) one side and are equipped with dross removal mechanism (5), dross removal mechanism (5) include woven wire (9), gauze (10), arrange sediment pipe (12) and inhale the sediment device.
2. The single-stage vane type centrifugal pump with liquid drainage, residue filtration and slag removal functions of claim 1, which is characterized in that: the slag removing device (5) comprises a third flange plate (6), the third flange plate (6) is far away from a first pipe (7) fixedly connected with one side of a second flange plate (4), one end, close to the third flange plate (6), of the first pipe (7) is connected with a ring (8) in a threaded manner, a metal wire mesh (9) is fixedly connected into the ring (8), one side, far away from the second flange plate (4), of the metal wire mesh (9) is provided with a gauze (10), the gauze (10) is fixedly connected with the ring (8), two positioning rings (11) are fixedly connected into the first pipe (7), two slag discharge pipes (12) are fixedly connected into the two positioning rings (11), one side, close to the gauze (10), of each slag discharge pipe (12) is rotatably connected with a rotating column (13), one side, close to the slag discharge pipes (rotating column (12), of the rotating column (13) is fixedly connected with a rotating rod (14), the utility model discloses a slag removal device, including dwang (14), rotating column (13), dwang (14), slag discharge pipe (12), dwang (14) and slag discharge pipe (12) rotate to be connected, dwang (14) are run through slag discharge pipe (12) one end fixedly connected with rotor blade (15), dwang (14) are located the outer peripheral face fixedly connected with helical blade (16) of slag discharge pipe (12) inside, rotating column (13) outer wall one side fixedly connected with inhales the sediment device, inhale the sediment device including inhaling sediment pole (17), it has sediment groove (18) to inhale sediment pole (17) inside opening, inhale sediment groove (18) and rotate the inside intercommunication of column (13), inhale sediment pole (17) and gauze (10) laminating, slag discharge pipe (12) bottom fixedly connected with slag discharge pipe (19), slag discharge pipe (19) run through first pipe (7) and with first pipe (7) fixed connection, slag discharge pipe (19) bottom fixedly connected with first check valve (20), one end of the first pipe (7) far away from the third flange plate (6) is fixedly connected with a second one-way valve (21).
3. The single-stage blade type centrifugal pump with the functions of draining liquid, filtering residues and removing residues as claimed in claim 2, is characterized in that: first ring flange (2) one side is kept away from in the pump body (1) and is equipped with mechanical seal device (22), mechanical seal device (22) are kept away from pump body (1) one end and are equipped with coupling device (23), coupling device (23) and mechanical seal device (22) inside have all run through transmission shaft (24), transmission shaft (24) are kept away from pump body (1) one end and are equipped with motor (25), motor (25) output shaft top and transmission shaft (24) fixed connection.
4. The single-stage vane-type centrifugal pump with liquid discharge, residue filtration and slag removal functions as claimed in any one of claims 1 to 3, wherein: the pump body (1) bottom fixedly connected with first supporter (26), coupling device (23) bottom fixedly connected with second supporter (27), motor (25) bottom fixedly connected with third supporter (28), first supporter (26), second supporter (27) and third supporter (28) bottom fixedly connected with base (29).
5. The single-stage vane-type centrifugal pump with liquid discharge, residue filtration and slag removal functions as claimed in any one of claims 1 to 4, wherein: the pump comprises a pump body (1), wherein a water outlet end (30) is fixedly connected to the top of the pump body (1), a pump cover (31) is fixedly connected to one side of the outer wall of the pump body (1), a transmission shaft (24) penetrates through the pump cover (31) and is rotatably connected with the pump cover (31), a first key groove is formed in the outer peripheral surface of one end, far away from a motor (25), of the transmission shaft (24), a flat key (32) is placed inside the first key groove, a first disc (33) is arranged inside the pump body (1), a rib plate (34) is fixedly connected to one side, far away from the pump cover (31), of the first disc (33), of the rib plate (34), one end, far away from the first disc (33), of a second disc (35) is fixedly connected with one end of the transmission shaft (24), the transmission shaft (24) penetrates through the second disc (35) and the first disc (33), the first disc (33) and the second disc (35) are both in sliding connection with the transmission shaft (24), and a nut (36) is connected to one end, penetrating through the second disc (35) through a thread, the nut (36) is attached to the second disc (35), a second key groove (37) penetrates through the inner portion of the first disc (33), and the flat key (32) is connected with the second key groove (37) in a sliding mode.
6. The single-stage blade type centrifugal pump with the functions of draining liquid, filtering residues and removing residues as claimed in any one of claims 1 to 5, wherein: four water inlets (38) distributed in an annular array are formed in the second disc (35), the number of the rib plates (34) is multiple, and the first disc (33), the second disc (35) and the plurality of rib plates (34) are combined into a closed impeller.
7. The single-stage vane-type centrifugal pump with liquid discharge, residue filtration and slag removal functions as claimed in any one of claims 1 to 6, wherein: the pump cover (31) one side fixedly connected with first special-shaped flange (39) are kept away from to the pump body (1), the pump body (1) one side laminating has second special-shaped flange (40) is kept away from to first special-shaped flange (39), first special-shaped flange (39) one side fixedly connected with second pipe (41) are kept away from to second special-shaped flange (39), second special-shaped flange (40) one end fixedly connected with fourth ring flange (42) are kept away from to second pipe (41), fourth ring flange (42) and first ring flange (2) laminating.
8. The single-stage vane-type centrifugal pump with liquid discharge, residue filtration and slag removal functions as claimed in any one of claims 1 to 7, wherein: the sealing ring is characterized in that the first special-shaped flange (39), the second special-shaped flange (40), the fourth flange plate (42), the first flange plate (2), the second flange plate (4) and the third flange plate (6) are fixedly connected with each other through matching of bolts and nuts, and sealing rings are arranged between the first special-shaped flange (39), the second special-shaped flange plate (40), the fourth flange plate (42), the first flange plate (2), the second flange plate (4) and the third flange plate (6).
CN202210075003.6A 2022-01-22 2022-01-22 Single-stage blade type centrifugal pump with liquid drainage, filter residue and slag removal functions Pending CN114776596A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210075003.6A CN114776596A (en) 2022-01-22 2022-01-22 Single-stage blade type centrifugal pump with liquid drainage, filter residue and slag removal functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210075003.6A CN114776596A (en) 2022-01-22 2022-01-22 Single-stage blade type centrifugal pump with liquid drainage, filter residue and slag removal functions

Publications (1)

Publication Number Publication Date
CN114776596A true CN114776596A (en) 2022-07-22

Family

ID=82423672

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210075003.6A Pending CN114776596A (en) 2022-01-22 2022-01-22 Single-stage blade type centrifugal pump with liquid drainage, filter residue and slag removal functions

Country Status (1)

Country Link
CN (1) CN114776596A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116464646A (en) * 2023-05-06 2023-07-21 江苏盐邦泵业制造有限公司 Vertical self-priming centrifugal pump with vibration and noise reduction functions

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100926078B1 (en) * 2009-05-29 2009-11-11 주식회사 이시엘 Apparatus for purifying waste water
KR101027448B1 (en) * 2010-11-18 2011-04-06 주식회사 이시엘 Apparatus for purifying waste water
KR101398838B1 (en) * 2013-08-21 2014-05-27 주식회사 그레넥스 Backwashing suction apparatus and the fabric filtration apparatus using the same
WO2016204484A1 (en) * 2015-06-15 2016-12-22 아이닉스(주) Automatic washing device for filter of motor pump
CN209800243U (en) * 2019-04-22 2019-12-17 泉州市嘉通电子科技有限公司 Direct-current water pump capable of preventing particles from entering
CN210715158U (en) * 2019-10-23 2020-06-09 江苏苏中泵业制造有限公司 Submersible sewage pump with anti-blocking mechanism
CN210799397U (en) * 2019-09-26 2020-06-19 青海恒信融锂业科技有限公司 Eccentric centrifugal pump
CN211009259U (en) * 2019-11-25 2020-07-14 扬州市江都区飞跃泵业有限公司 Multistage pump impeller
CN213141696U (en) * 2020-07-09 2021-05-07 天津大树环境科技有限公司 Hierarchical formula sewage treatment ware for environmental protection engineering
CN112777786A (en) * 2020-12-18 2021-05-11 南京汉尔斯生物科技有限公司 High-efficiency energy-saving sewage draining environment-friendly device
CN213392689U (en) * 2020-10-12 2021-06-08 湖南天一奥星泵业有限公司 Double-casing axial split horizontal multistage centrifugal pump
CN213823748U (en) * 2020-11-26 2021-07-30 重庆水利电力职业技术学院 Filter pipeline for hydraulic engineering
CN214743679U (en) * 2021-05-19 2021-11-16 惠州市集迅健康云科技有限公司 Large-flow diaphragm electromagnetic valve for oxygenerator
CN215026824U (en) * 2021-07-05 2021-12-07 湖北中煜环保科技有限公司 Prevent domestic sewage recovery unit of jam

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100926078B1 (en) * 2009-05-29 2009-11-11 주식회사 이시엘 Apparatus for purifying waste water
KR101027448B1 (en) * 2010-11-18 2011-04-06 주식회사 이시엘 Apparatus for purifying waste water
KR101398838B1 (en) * 2013-08-21 2014-05-27 주식회사 그레넥스 Backwashing suction apparatus and the fabric filtration apparatus using the same
WO2016204484A1 (en) * 2015-06-15 2016-12-22 아이닉스(주) Automatic washing device for filter of motor pump
CN209800243U (en) * 2019-04-22 2019-12-17 泉州市嘉通电子科技有限公司 Direct-current water pump capable of preventing particles from entering
CN210799397U (en) * 2019-09-26 2020-06-19 青海恒信融锂业科技有限公司 Eccentric centrifugal pump
CN210715158U (en) * 2019-10-23 2020-06-09 江苏苏中泵业制造有限公司 Submersible sewage pump with anti-blocking mechanism
CN211009259U (en) * 2019-11-25 2020-07-14 扬州市江都区飞跃泵业有限公司 Multistage pump impeller
CN213141696U (en) * 2020-07-09 2021-05-07 天津大树环境科技有限公司 Hierarchical formula sewage treatment ware for environmental protection engineering
CN213392689U (en) * 2020-10-12 2021-06-08 湖南天一奥星泵业有限公司 Double-casing axial split horizontal multistage centrifugal pump
CN213823748U (en) * 2020-11-26 2021-07-30 重庆水利电力职业技术学院 Filter pipeline for hydraulic engineering
CN112777786A (en) * 2020-12-18 2021-05-11 南京汉尔斯生物科技有限公司 High-efficiency energy-saving sewage draining environment-friendly device
CN214743679U (en) * 2021-05-19 2021-11-16 惠州市集迅健康云科技有限公司 Large-flow diaphragm electromagnetic valve for oxygenerator
CN215026824U (en) * 2021-07-05 2021-12-07 湖北中煜环保科技有限公司 Prevent domestic sewage recovery unit of jam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116464646A (en) * 2023-05-06 2023-07-21 江苏盐邦泵业制造有限公司 Vertical self-priming centrifugal pump with vibration and noise reduction functions

Similar Documents

Publication Publication Date Title
CN2353434Y (en) Pressure type automatic-washing back-flushing rotary conic filtering device
CN106731115B (en) Hydraulic self-cleaning filter
JP2005527371A (en) Waste filter with rotary waste extractor
CN219035024U (en) Anti-blocking centrifugal pump
CN110878756A (en) Multifunctional water pump
CN114776596A (en) Single-stage blade type centrifugal pump with liquid drainage, filter residue and slag removal functions
CN213868183U (en) Can prevent municipal rainwater entry structure of jam
CN213885285U (en) Hydraulic engineering construction is with preventing blockking up drainage device
CN117685145A (en) Mixed flow type water turbine unit applied to high sediment occasion
CN203620387U (en) Quick flow splitting dirt removal device with rotary sleeve
CN2338075Y (en) Full automatic qiquid filtration apparatus
CN216157884U (en) Drainage device with filtering capability for hydraulic engineering construction
CN205391891U (en) Filtration system before self -cleaning pump
CN221647187U (en) Canned motor pump with filtration
CN220816091U (en) Water diversion device for water conservancy and hydropower engineering
CN117514933B (en) Vertical pipeline centrifugal pump with impurity collection structure
CN110152373A (en) A kind of sewage-treatment plant of miniaturization
CN221097004U (en) Double-suction vertical self-priming pump
CN220060629U (en) Stable and reliable three-way check valve structure
CN220495696U (en) River course water prosthetic devices
CN213347981U (en) Self-cleaning filter
CN213953919U (en) Water pump with silt clearance function
CN212818523U (en) Rotary disc filtering device for sewage treatment
CN221062008U (en) Sand-water separator
CN216477973U (en) Waterproof drainage device of hydraulic engineering construction

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