CN109026730A - A kind of proof submersible sand discharging pump for papermaking sewage processing - Google Patents
A kind of proof submersible sand discharging pump for papermaking sewage processing Download PDFInfo
- Publication number
- CN109026730A CN109026730A CN201811092427.3A CN201811092427A CN109026730A CN 109026730 A CN109026730 A CN 109026730A CN 201811092427 A CN201811092427 A CN 201811092427A CN 109026730 A CN109026730 A CN 109026730A
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- China
- Prior art keywords
- fixed
- rose box
- pump
- pump housing
- sand discharging
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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
- 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
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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
- F04D13/066—Floating-units
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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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted 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
- 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
Abstract
The present invention provides a kind of proof submersible sand discharging pumps for papermaking sewage processing.It is simple that it solves existing proof submersible sand discharging pump cutting mode, cannot carry out multiple cutting, the technical problems such as cutting power is poor, and cutting effect is bad to intracorporal dirt is pumped.This proof submersible sand discharging pump handled for papermaking sewage, including workbench, a mechanism of drifting along for being adjustable its height of water level is provided on workbench, it is provided with one on workbench and is able to maintain its stable balance mechanism, mounting base is fixed on workbench, a proof submersible sand discharging pump is provided in mounting base, proof submersible sand discharging pump includes the pump housing, submersible motor, pedestal and side cover, the pump housing has inlet and outlet, water inlet is arranged in pump housing lower end, water inlet is provided with a coupled logical water inlet filter mechanism, water outlet is arranged in pump housing side, water outlet is provided with a coupled logical water outlet filter mechanism.The present invention has the characteristics that good cutting effect.
Description
Technical field
The invention belongs to field of fluid machinery, are related to a kind of proof submersible sand discharging pump, especially a kind of at papermaking sewage
The proof submersible sand discharging pump of reason.
Background technique
The ingredient of paper mill paper waste is very complicated, the method that component depends not only on paper pulp, also depends on institute's product
The many factors such as kind and raw material type.Suspended material in paper-making industrial waste water is mainly from the bark of material papering section, grass cuttings, mud
Fiber, the filler etc. that husky and with water discharge ashes, slag, pulping and paper-making each process are lost.Proof submersible sand discharging pump is submersible type
Sewage pump, the substances such as sewage medium-length fibre, bag, band, grass, cloth can be torn, cutting, then smooth discharge is particularly suitable for
Contain rigid solid, the liquid of fibre object and especially dirty, viscous, sliding liquid in conveying.
Through retrieving, as Chinese patent literature disclose it is a kind of with dirt cutting function proof submersible sand discharging pump [application number:
CN201320159704.4；Publication number: CN203272197U].This proof submersible sand discharging pump with dirt cutting function, including it is latent
Hydroelectric machine, the pump housing being connected with submersible motor, the pedestal being connected with the pump housing and it is mounted on the intracorporal impeller of pump, the impeller center
There is a main shaft at place, and the main shaft periphery is enclosed equipped with a fixing sleeve, and the fixing sleeve bottom end is equipped with a cutting head, the cutting head
Including several first cutting sheets, an annulus chopping disk is fixedly installed in cutting head upper end, and the annulus chopping disk is to center of circle side
Have to place equipped with several second cutting sheets, first cutting sheet upper end and the second cutting sheet lower end are tangent.
Although proof submersible sand discharging pump disclosed in the patent can be cut by cutting head to intracorporal dirt is pumped,
It is that the proof submersible sand discharging pump cutting mode is simple, multiple cutting cannot be carried out to intracorporal dirt is pumped, cutting power is poor, cutting effect
Fruit is bad.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, propose a kind of for papermaking sewage processing
Proof submersible sand discharging pump, which is: how to carry out multiple cutting to pumping intracorporal dirt.
Object of the invention can be realized by the following technical scheme: a kind of submersible sewage for papermaking sewage processing
Pump, including workbench, which is characterized in that be provided with a mechanism of drifting along for being adjustable its height of water level on the workbench, work
It is provided with one on platform and is able to maintain its stable balance mechanism, mounting base is fixed on workbench, a diving is provided in mounting base
Dredge pump, proof submersible sand discharging pump include the pump housing, submersible motor, pedestal and side cover, and the pump housing has inlet and outlet, and water inlet is set
It sets in pump housing lower end, water inlet is provided with a coupled logical water inlet filter mechanism, and water outlet is arranged in pump housing side,
Water outlet is provided with a coupled logical water outlet filter mechanism, and pedestal is fixed in mounting base, and the water inlet of the pump housing is solid
It is scheduled on pedestal, submersible motor is fixed on pump housing upper end, and the main shaft of submersible motor extend into pump body, and side cover is fixed on pump
The water outlet of body, be provided in the pump housing one can the transverse cuts mechanism and one of transverse cuts sewage medium-length fibre impurity can longitudinally cut
Cut the longitudinally cutting mechanism of sewage medium-length fibre impurity.
The working principle of the invention is: by submersible motor drive sewage enter from the inlet in the pump housing, meanwhile, by into
Mouth of a river filter mechanism is filtered the sewage of water inlet, miscellaneous to the long fibre in the sewage of water inlet by transverse cuts mechanism
Matter carries out transverse cuts, longitudinally cutting to the long fibrous impurities progress in the sewage of water inlet by longitudinally cutting mechanism, then
Drive sewage to flow out from the water outlet of the pump housing by submersible motor, finally by water outlet filter mechanism to the sewage of water outlet into
Row filtering adjusts the height of water level of workbench by mechanism of drifting along, then height of water level when adjustable submersible sewage pump work,
It keeps workbench to stablize by balance mechanism, then can keep stabilization when submersible sewage pump work, proof submersible sand discharging pump cutting
Ability is high, good cutting effect.
The transverse cuts mechanism includes impeller, filter plate and chopping disk, and impeller is fixed on submersible motor by fixing sleeve
Main shaft on, the main shaft of submersible motor is fixed on pump housing inner wall by bearing one, and impeller upper end is resisted against on bearing one, impeller
Lower end and filter plate are in contact, and filter plate passes through main shaft and is fixed on pump housing inner wall, and filter plate lower end and chopping disk are in contact, and cut
Disk center is cut across main shaft, chopping disk is circular slab, and several cutting blades are provided on the side of chopping disk；It cuts the longitudinal direction
Cutting mill structure includes drive bevel gear, driven wheel of differential one, driven wheel of differential two, retaining ring one, retaining ring two and rotation axis, active conical tooth
Wheel is fixed on main shaft lower end, and drive bevel gear upper end and chopping disk are in contact, and rotation axis both ends are fixed on pump by bearing two
On internal wall, driven wheel of differential one and driven wheel of differential two are separately fixed in the middle part of rotation axis, and driven wheel of differential one and driven
Bevel gear two is meshed with drive bevel gear, and retaining ring one is fixed, and one end of retaining ring one and bearing two lean on the rotating shaft,
The other end and driven wheel of differential one of retaining ring one lean, and retaining ring two is fixed on the rotating shaft, one end of retaining ring two and bearing two
It leans, the other end and driven wheel of differential two of retaining ring two lean, and are provided with screw blade on retaining ring one and retaining ring two.
When needing to carry out transverse cuts to the long fibrous impurities in sewage, the main axis of submersible motor is controlled, is dived under water
The main shaft of motor drives fixing sleeve rotation, the rotation of fixing sleeve impeller, and impeller drives sewage to enter from the inlet in the pump housing, together
When, the main shaft of submersible motor drives chopping disk rotation, and chopping disk drives cutting blade rotation, and cutting blade is to long fine in sewage
It ties up impurity and carries out transverse cuts；When needing to carry out longitudinally cutting to the long fibrous impurities in sewage, the master of submersible motor is controlled
Axis rotation, the main shaft of submersible motor drive drive bevel gear rotation, and drive bevel gear drives driven wheel of differential one and driven simultaneously
Bevel gear two rotates, and driven wheel of differential one and driven wheel of differential two drive rotation axis to rotate simultaneously, and rotation axis drives retaining ring simultaneously
One and retaining ring two rotate, retaining ring one and retaining ring two drive screw blade to rotate simultaneously, and screw blade is miscellaneous to the long fibre in sewage
Matter carries out longitudinally cutting.
Through-hole one is offered on the workbench, offers through-hole two in mounting base, and through-hole one and through-hole two are and the pump housing
Water inlet is connected.
Several filter hole one are also provided on the filter plate.
Using the above structure, stopped by the dirt of filter hole a pair of water inlet, prevent the dirt short time a large amount of
It is involved in impeller.
The water inlet filter mechanism includes Rose Box one, cover board one, push-rod electric machine one, impeller-hub and catch bar, filtering
The upper end of case one offers several filter hole two, and filter hole two is connected with the water inlet of the pump housing, and the lower end of Rose Box one opens up
There are several filter hole three, the aperture size of filter hole three is greater than filter hole two, and Rose Box one is fixed on workbench lower end, Rose Box
One is provided in one can stir the stirring structure of dirt, and one upper end of Rose Box is fixed with vibrating motor, and one upper end of Rose Box passes through
Connecting rod one is further fixed on flow sensor one, and the one side of Rose Box one offers opening, and cover board one was hinged on by hinge
The opening of filter box one, push-rod electric machine one are fixed on one another side of Rose Box, and the push rod of push-rod electric machine one is horizontally disposed, and pushes away
The push rod end of bar motor one pass through one another side of Rose Box be connected with one end of shaft coupling one, the other end of shaft coupling one with
One end of impeller-hub is connected, and the other end of impeller-hub and one end of catch bar are hinged, one inside of the other end and cover board of catch bar
Hingedly, flow sensor one is connected by route with push-rod electric machine one.
When needing the sewage to water inlet to be filtered, the dirt in Rose Box one is stirred by stirring structure
It mixes, the dirt of bulky grain or strip that filter hole three enters is stirred into the dirt of little particle or billet shape, then from filtering
Hole two is discharged, and is detected by the discharge of sewage of flow sensor a pair of filter hole two, when flow is less than predetermined value, then greatly
Amount dirt gets lodged in filter hole two, at this point, the putter action of control push-rod electric machine one, the push rod of push-rod electric machine one drives shaft coupling one
Mobile, shaft coupling one drives impeller-hub mobile, and impeller-hub drives catch bar mobile, and catch bar drives cover board one to rotate, cover board one
The opening of Rose Box one is opened, then the dirt blocked reenters in cesspool, thus can carry out repeating filtering to dirt.
The stirring structure includes stirring motor, shaft and stir plate, and stirring motor is fixed on Rose Box one, stirring electricity
The output shaft of machine is horizontally disposed, and the output shaft of stirring motor passes through Rose Box one side and is connected with one end of shaft coupling two, shaft coupling
The other end of device two is connected with one end of shaft, and the other end of shaft is connected with the middle part of stir plate, and stir plate is circular slab, stirs
Several agitator arms are fixed on movable plate.
When needing to be stirred the dirt in Rose Box one, the output shaft rotation of stirring motor, stirring motor are controlled
Output shaft drive shaft coupling two rotate, shaft coupling two drive shaft rotation, shaft drive stir plate rotation, stir plate drive stir
Lever rotation, agitator arm are stirred the dirt in Rose Box one.
The water outlet filter mechanism includes Rose Box two, push-rod electric machine two and pushing plate, and Rose Box two has input port
And delivery outlet, input port are fixed on side cover, equipped at outlet port is fixed with filter screen, is provided with flow sensor on the outside of filter screen
Two, flow sensor two is fixed on equipped at outlet port by connecting rod two, and the lower end of Rose Box two offers sewage draining exit, sewage draining exit and one
The storing structure for storing dirt is connected, and push-rod electric machine two is fixed on Rose Box two, and the push rod of push-rod electric machine two straight down, pushes away
The side that the push rod of bar motor two passes through Rose Box two is connected with pushing plate, and pushing plate is arranged in Rose Box two, flow sensing
Device two is connected by route with push-rod electric machine two.
When needing the sewage to water outlet to be filtered, sewage is entered by input port, by filter screen to Rose Box
Dirt in two is filtered, and is detected by the discharge of sewage of the flow sensor two to delivery outlet, is made a reservation for when flow is less than
When value, then a large amount of dirts are got lodged on filter screen, at this point, the putter action of control push-rod electric machine two, the push rod band of push-rod electric machine two
Dynamic pushing plate moves down, and pushing plate pushes dirt to be moved downward at sewage draining exit, by storing structure in Rose Box two
Dirt is stored, and environmental pressure is reduced.
The storing structure includes the material storing box with storing mouth, cover board two, telescopic rod one, telescopic rod two and resets bullet
Spring, material storing box is fixed, and cover board two is hinged at the storing mouth of Rose Box two by hinge on the table, and cover board two and filtering
The sewage draining exit of case two leans, and one end of telescopic rod one is hinged on storing chamber interior wall, and the other end of telescopic rod one is free end,
One end of reset spring is fixed in telescopic rod one, and the other end of reset spring is the freedom being in contact with one end of telescopic rod two
End, one end of telescopic rod two are slidably arranged in telescopic rod one, and the other end of telescopic rod two and two inside of cover board are hinged.
When needing to store the dirt in Rose Box two, dirt is pushed to be moved downward to cover board two by pushing plate
On, cover board two, which is pressurized, drives one end rotation of telescopic rod two, and the other end of telescopic rod two is slided in telescopic rod one and squeezed multiple
Position spring, reset spring, which is pressurized, generates deformation, makes cover board two to rotation on the inside of material storing box, then storing mouth is pressed off, and dirt enters
Into material storing box.
The filter screen is metal-rubber filter screen.
Several filter hole four are offered on the filter screen, the aperture size of filter hole four is 0.01-0.08mm.
Using the above structure, the major diameter impurity in water outlet dirt is stopped by filter hole four, filter effect
It is good.
The mechanism of drifting along includes water pump, suction hose, sparge pipe, spray head and fixed plate, and water pump is fixed on the table, is inhaled
Solenoid valve is provided on water pipe, one end of suction hose is connected with water pump, the other end of suction hose straight up, and suction hose
The other end is fixed on the table by clip, and one end of sparge pipe passes through workbench and is connected with water pump, sparge pipe it is another
It holds straight down, and the other end of sparge pipe is fixed in fixed plate by connector, fixed plate is fixed on the table, fixed plate
On be provided with the auxiliary support structure of a support workbench, spray head is fixed on the other end of sparge pipe.
When needing to adjust the height of water level of workbench, control water pump movement, water pump drives suction hose above workbench
Liquid is sucked, then sparge pipe sprays downwards liquid by spray head, makes workbench by upward impulse force, makes workbench to moving up
It moves or floats in water, to adjust the height of water level of workbench.
The auxiliary support structure includes that cylinder, supporting pad, bradyseism spring and bradyseism sleeve, cylinder are fixed on fixed plate
On, the piston rod of cylinder straight down, and cylinder piston rod end be arranged in bradyseism sleeve, bradyseism spring be arranged in bradyseism
In sleeve, the both ends of bradyseism spring are free end, and one end of bradyseism spring and the piston rod end of cylinder are in contact, bradyseism bullet
The other end and supporting pad of spring are in contact, and bradyseism sleeve is fixed on the upper end of supporting pad, and the lower end of supporting pad is and cesspool bottom
The free end that portion is in contact.
When needing to be supported workbench, the piston rod for controlling cylinder is moved down, and the piston rod of cylinder drives slow
Shake sleeve moves down, and bradyseism sleeve drives supporting pad to be moved downward to sewage bottom of pond portion, meanwhile, bradyseism spring is pressurized, and makes to prop up
Stake pad carries out cushioning supportive to workbench.
Flow control valve is provided on the sparge pipe.
Using the above structure, it is adjusted by liquid size of the flow control valve to sparge pipe, regulating effect is good.
The material of the supporting pad is synthetic rubber.
The balance mechanism includes curved track one, curved track two and balanced ball, curved track one and curved track two
It is each attached to workbench lower end, and the bottom of curved track one and curved track two is intersected, offers sliding slot on curved track one
One, offer sliding slot two on curved track two, balanced ball can be respectively in curved track one and curved by sliding slot one and sliding slot two
Sliding in track two.
When needing that workbench is kept to stablize, is slided in curved track one or curved track two by balanced ball, make to put down
Weighing apparatus ball is always positioned at the bottom of curved track one and curved track two, to keep the center of gravity of workbench, workbench is kept to stablize.
It is fixed with limited block one in the sliding slot one, limited block two is fixed in sliding slot two.
Using the above structure, it is limited by the balanced ball in limited block a pair of sliding slot one, passes through two pairs of cunnings of limited block
Balanced ball in slot two is limited, and limit is reliable.
Controller, submersible motor, push-rod electric machine one, push-rod electric machine two, vibrating motor, stirring are fixed on the workbench
Motor, water pump and cylinder are connected with the controller by route.
Using the above structure, motor, water pump and cylinder movement, high degree of automation are controlled by controller.
Compared with prior art, this has the advantage that for the proof submersible sand discharging pump of papermaking sewage processing
1, the present invention by submersible motor drive sewage enter from the inlet in the pump housing, meanwhile, by Rose Box a pair into
The sewage at the mouth of a river is filtered, and is carried out transverse cuts to the long fibrous impurities in the sewage of water inlet by cutting blade, is passed through
Screw blade is longitudinally cutting to the long fibrous impurities progress in the sewage of water inlet, then drives sewage from pump by submersible motor
The water outlet of body flows out, and is filtered finally by sewage of the Rose Box two to water outlet, adjusts proof submersible sand discharging pump by spray head
Height of water level when work keeps stabilization when submersible sewage pump work by balanced ball, and the proof submersible sand discharging pump cutting power is high,
Good cutting effect；
2, several filter hole four are offered on filter screen, using the above structure, by filter hole four in water outlet dirt
Major diameter impurity stopped, filter effect is good；
3, flow control valve is provided on sparge pipe, using the above structure, by flow control valve to the liquid of sparge pipe
Size is adjusted, and regulating effect is good；
4, it is fixed with limited block one in sliding slot one, limited block two is fixed in sliding slot two, using the above structure, passes through limit
Balanced ball in block a pair of sliding slot one is limited, and is limited by limited block two to the balanced ball in sliding slot two, limit can
It leans on；
5, it is fixed with controller on workbench, using the above structure, it is dynamic that motor, water pump and cylinder are controlled by controller
Make, high degree of automation.
Detailed description of the invention
Fig. 1 is planar structure schematic diagram of the invention.
Fig. 2 is the partial enlarged view in the portion A in Fig. 1.
Fig. 3 is the schematic perspective view of balance mechanism in the present invention.
Fig. 4 is the planar structure schematic diagram of proof submersible sand discharging pump in the present invention.
Fig. 5 is the planar structure schematic diagram that part is removed in Fig. 4.
Fig. 6 is the planar structure schematic diagram of cutting blade in the present invention.
Fig. 7 is the planar structure schematic diagram of filter screen in the present invention.
In figure, 1, submersible motor；1a, main shaft；2, side cover；3, the pump housing；4, pedestal；5, mounting base；6, flow sensor one；
7, vibrating motor；8, suction hose；9, solenoid valve；10, water pump；11, sparge pipe；12, controller；13, workbench；14, flow tune
Save valve；15, fixed plate；16, spray head；17, supporting pad；18, bradyseism sleeve；19, bradyseism spring；20, cylinder；21, cover board one；
22, agitator arm；23, catch bar；24, impeller-hub；25, Rose Box one；25a, filter hole three；25b, filter hole two；26, shaft coupling
One；27, shaft；28, push-rod electric machine one；29, shaft coupling two；30, stirring motor；31, stir plate；32, material storing box；33, cover board
Two；34, Rose Box two；35, filter screen；35a, filter hole four；36, flow sensor two；37, pushing plate；38, push-rod electric machine
Two；39, telescopic rod one；40, reset spring；41, telescopic rod two；42, limited block one；43, limited block two；44, curved track one；
44a, sliding slot one；45, balanced ball；46, curved track two；46a, sliding slot two；47, impeller；48, filter plate；48a, filter hole one；
49, bearing two；50, retaining ring one；51, screw blade；52, driven wheel of differential one；53, rotation axis；54, driven wheel of differential two；55,
Retaining ring two；56, fixing sleeve；57, bearing one；58, drive bevel gear；59, chopping disk；60, cutting blade.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Fig. 1-Fig. 7, this proof submersible sand discharging pump handled for papermaking sewage, including workbench 13, workbench 13
On be provided with a mechanism of drifting along for being adjustable its height of water level, be provided with one on workbench 13 and be able to maintain its stable balancing machine
Structure is fixed with mounting base 5 on workbench 13, and in the present embodiment, mounting base 5 is fixed on workbench by bolted connection
On 13, it being provided with a proof submersible sand discharging pump in mounting base 5, proof submersible sand discharging pump includes the pump housing 3, submersible motor 1, pedestal 4 and side cover 2,
The pump housing 3 have inlet and outlet, water inlet be arranged in 3 lower end of the pump housing, water inlet be provided with one it is coupled it is logical into
Mouth of a river filter mechanism, water outlet are arranged in 3 side of the pump housing, and water outlet is provided with a coupled logical water outlet filter
Structure, pedestal 4 are fixed in mounting base 5, and in the present embodiment, pedestal 4 is fixed on by bolted connection in mounting base 5,
The water inlet of the pump housing 3 is fixed on pedestal 4, and in the present embodiment, the water inlet of the pump housing 3 is fixed on by bolted connection
On pedestal 4, submersible motor 1 is fixed on 3 upper end of the pump housing, and in the present embodiment, submersible motor 1 is fixed by bolted connection
Main shaft 1a in 3 upper end of the pump housing, and submersible motor 1 is extend into inside the pump housing 3, and side cover 2 is fixed on the water outlet of the pump housing 3, at this
In embodiment, side cover 2 is fixed on the water outlet of the pump housing 3 by bolted connection, and one is provided in the pump housing 3 can transverse cuts
The longitudinally cutting mechanism of the transverse cuts mechanism of sewage medium-length fibre impurity and the longitudinally cutting sewage medium-length fibre impurity of energy.
Transverse cuts mechanism includes impeller 47, filter plate 48 and chopping disk 59, and impeller 47 is fixed on latent by fixing sleeve 56
On the main shaft 1a of hydroelectric machine 1, the main shaft 1a of submersible motor 1 is fixed on 3 inner wall of the pump housing by bearing 1, and 47 upper end of impeller is supported
It leans against on bearing 1,47 lower end of impeller and filter plate 48 are in contact, and filter plate 48 passes through main shaft 1a and is fixed on 3 inner wall of the pump housing
On, 48 lower end of filter plate and chopping disk 59 are in contact, and 59 center of chopping disk passes through main shaft 1a, and chopping disk 59 is circular slab, and is cut
It cuts and is provided with several cutting blades 60 on the side of disk 59, in the present embodiment, cutting blade 60 is four；Longitudinally cutting mechanism
It is main including drive bevel gear 58, driven wheel of differential 1, driven wheel of differential 2 54, retaining ring 1, retaining ring 2 55 and rotation axis 53
Dynamic bevel gear 58 is fixed on the lower end main shaft 1a, and in the present embodiment, the mode that drive bevel gear 58 is connected by key is fixed on master
The lower end axis 1a, and 58 upper end of drive bevel gear and chopping disk 59 are in contact, 53 both ends of rotation axis are fixed on pump by bearing 2 49
On 3 inner wall of body, driven wheel of differential 1 and driven wheel of differential 2 54 are separately fixed at 53 middle part of rotation axis, in the present embodiment,
The mode that driven wheel of differential 1 and driven wheel of differential 2 54 are connected by key is separately fixed at the middle part of rotation axis 53, and from mantle
Gear 1 and driven wheel of differential 2 54 are meshed with drive bevel gear 58, and retaining ring 1 is fixed in rotation axis 53, at this
In embodiment, retaining ring 1 is fixed in rotation axis 53 by way of tight fit, 2 49 phase of one end and bearing of retaining ring 1
Against the other end and driven wheel of differential 1 of retaining ring 1 lean, and retaining ring 2 55 is fixed in rotation axis 53, in this implementation
In example, retaining ring 2 55 is fixed in rotation axis 53 by way of tight fit, and one end of retaining ring 2 55 and bearing 2 49 lean,
The other end and driven wheel of differential 2 54 of retaining ring 2 55 lean, and are provided with screw blade on retaining ring 1 and retaining ring 2 55
51。
Offer through-hole one on workbench 13, offer through-hole two in mounting base 5, through-hole one and through-hole two with the pump housing 3
Water inlet is connected.
Several one 48a of filter hole are also provided on filter plate 48, in the present embodiment, one 48a of filter hole is 100.
Using the above structure, the dirt of water inlet is stopped by one 48a of filter hole, prevents the dirt short time a large amount of
Be involved in impeller 47.
Water inlet filter mechanism includes Rose Box 1, cover board 1, push-rod electric machine 1, impeller-hub 24 and catch bar
23, the upper end of Rose Box 1 offers several two 25b of filter hole, and in the present embodiment, two 25b of filter hole is 50, mistake
Two 25b of filter opening is connected with the water inlet of the pump housing 3, and the lower end of Rose Box 1 offers several three 25a of filter hole, in this implementation
In example, three 25a of filter hole is 25, and the aperture size of three 25a of filter hole is greater than two 25b of filter hole, and Rose Box 1 is solid
It is scheduled on 13 lower end of workbench, in the present embodiment, Rose Box 1 is fixed on 13 lower end of workbench by bolted connection,
One is provided in Rose Box 1 can stir the stirring structure of dirt, and one 25 upper end of Rose Box is fixed with vibrating motor 7, in this reality
It applies in example, vibrating motor 7 is fixed on one 25 upper end of Rose Box by bolted connection, and one 25 upper end of Rose Box passes through connecting rod
One is further fixed on flow sensor 1, and the one side of Rose Box 1 offers opening, and cover board 1 was hinged on by hinge
The opening of filter box 1, push-rod electric machine 1 are fixed on one 25 another side of Rose Box, in the present embodiment, push-rod electric machine one
28 are fixed on Rose Box another side by bolted connection, and the push rod of push-rod electric machine 1 is horizontally disposed, and push rod electricity
The push rod end of machine 1 pass through one 25 another side of Rose Box be connected with one end of shaft coupling 1, shaft coupling 1 it is another
End is connected with one end of impeller-hub 24, and the other end of impeller-hub 24 and one end of catch bar 23 are hinged, the other end of catch bar 23
Hinged with one 21 inside of cover board, flow sensor 1 is connected by route with push-rod electric machine 1.
Stirring structure includes stirring motor 30, shaft 27 and stir plate 31, and stirring motor 30 is fixed on Rose Box 1,
In the present embodiment, stirring motor 30 is fixed on by bolted connection on Rose Box 1, the output of stirring motor 30
Axis is horizontally disposed, and the output shaft of stirring motor 30 passes through one 25 side of Rose Box and is connected with one end of shaft coupling 2 29, shaft coupling
2 29 other end is connected with one end of shaft 27, and the other end of shaft 27 is connected with the middle part of stir plate 31, and stir plate 31 is
Circular slab is fixed with several agitator arms 22 in stir plate 31, and in the present embodiment, agitator arm 22 is 16, and agitator arm 22 is logical
Bolted mode is crossed to be fixed in stir plate 31.
Water outlet filter mechanism includes Rose Box 2 34, push-rod electric machine 2 38 and pushing plate 37, and Rose Box 2 34 has defeated
Entrance and delivery outlet, input port are fixed on side cover 2, and in the present embodiment, input port is fixed on by bolted connection
On side cover 2, equipped at outlet port is fixed with filter screen 35, and in the present embodiment, filter screen 35 is fixed on output by welding
At mouthful, flow sensor 2 36 is provided on the outside of filter screen 35, flow sensor 2 36 is fixed on equipped at outlet port by connecting rod two,
The lower end of Rose Box 2 34 offers sewage draining exit, and sewage draining exit is connected with the storing structure of a storage dirt, and push-rod electric machine 2 38 is solid
It is scheduled on Rose Box 2 34, in the present embodiment, push-rod electric machine 2 38 is fixed on Rose Box 2 34 by bolted connection
On, straight down, the push rod of push-rod electric machine 2 38 passes through side and the pushing plate of Rose Box 2 34 to the push rod of push-rod electric machine 2 38
37 are connected, and pushing plate 37 is arranged in Rose Box 2 34, and flow sensor 2 36 is connected by route with push-rod electric machine 2 38.
Storing structure includes the material storing box 32 with storing mouth, cover board 2 33, telescopic rod 1, telescopic rod 2 41 and resets
Spring 40, material storing box 32 are fixed on workbench 13, and in the present embodiment, material storing box 32 is fixed on work by welding
On platform 13, cover board 2 33 is hinged at the storing mouth of Rose Box 2 34 by hinge, and the row of cover board 2 33 and Rose Box 2 34
Dirty mouth leans, and one end of telescopic rod 1 is hinged on 32 inner wall of material storing box, and the other end of telescopic rod 1 is free end, multiple
One end of position spring 40 is fixed in telescopic rod 1, and in the present embodiment, one end of reset spring 40 is by welding
It is fixed in telescopic rod 1, the other end of reset spring 40 is the free end being in contact with one end of telescopic rod 2 41, is stretched
One end of bar 2 41 is slidably arranged in telescopic rod 1, and the other end of telescopic rod 2 41 and 2 33 inside of cover board are hinged.
Filter screen 35 is metal-rubber filter screen 35.
Several four 35a of filter hole are offered on filter screen 35, the aperture size of four 35a of filter hole is 0.01-0.08mm,
In the present embodiment, the aperture size of four 35a of filter hole is 0.05mm.
Using the above structure, the major diameter impurity in water outlet dirt is stopped by four 35a of filter hole, filtering effect
Fruit is good.
Mechanism of drifting along includes water pump 10, suction hose 8, sparge pipe 11, spray head 16 and fixed plate 15, and water pump 10 is fixed on work
On platform 13, in the present embodiment, water pump 10 is fixed on by bolted connection on workbench 13, is provided on suction hose 8
One end of solenoid valve 9, suction hose 8 is connected with water pump 10, the other end of suction hose 8 straight up, and the other end of suction hose 8
It is fixed on workbench 13 by clip, one end of sparge pipe 11 passes through workbench 13 and is connected with water pump 10, sparge pipe 11
Straight down, and the other end of sparge pipe 11 is fixed in fixed plate 15 other end by connector, and fixed plate 15 is fixed on work
On platform 13, in the present embodiment, fixed plate 15 is fixed on by bolted connection on workbench 13, is arranged in fixed plate 15
There is the auxiliary support structure of a support workbench 13, spray head 16 is fixed on the other end of sparge pipe 11, in the present embodiment, spray head
16 modes being connected through a screw thread are fixed on the other end of sparge pipe 11.
Auxiliary support structure includes cylinder 20, supporting pad 17, bradyseism spring 19 and bradyseism sleeve 18, and cylinder 20 is fixed on
On fixed board 15, in the present embodiment, cylinder 20 is fixed on by bolted connection in fixed plate 15, the piston rod of cylinder 20
Straight down, and the piston rod end of cylinder 20 is arranged in bradyseism sleeve 18, and bradyseism spring 19 is arranged in bradyseism sleeve 18,
The both ends of bradyseism spring 19 are free end, and one end of bradyseism spring 19 and the piston rod end of cylinder 20 are in contact, bradyseism bullet
The other end and supporting pad 17 of spring 19 are in contact, and bradyseism sleeve 18 is fixed on the upper end of supporting pad 17, in the present embodiment, bradyseism
Sleeve 18 is fixed on the upper end of supporting pad 17 by bolted connection, and the lower end of supporting pad 17 is and cesspool bottom connection
The free end of touching.
Flow control valve 14 is provided on sparge pipe 11.
Using the above structure, it is adjusted by liquid size of the flow control valve 14 to sparge pipe 11, regulating effect is good.
The material of supporting pad 17 is synthetic rubber.
Balance mechanism includes curved track 1, curved track 2 46 and balanced ball 45, curved track 1 and curved rail
Road 2 46 is each attached to 13 lower end of workbench, and in the present embodiment, curved track 1 and curved track 2 46 pass through welding
Mode be fixed on 13 lower end of workbench, and the bottom of curved track 1 and curved track 2 46 is intersected, curved track 1
On offer one 44a of sliding slot, offer two 46a of sliding slot on curved track 2 46, balanced ball 45 passes through one 44a of sliding slot and sliding slot two
46a can be slided in curved track 1 and curved track 2 46 respectively.
It is fixed with limited block 1 in one 44a of sliding slot, is fixed with limited block 2 43 in two 46a of sliding slot.
Using the above structure, it is limited by the balanced ball 45 in one 42 couples of one 44a of sliding slot of limited block, passes through limited block
Balanced ball 45 in 2 43 couples of two 46a of sliding slot limits, and limit is reliable.
Controller 12 is fixed on workbench 13, in the present embodiment, controller 12 is fixed by bolted connection
On workbench 13, controller 12 is the single-chip microcontroller that can be bought in the market, and single-chip microcontroller controls submersible motor 1, push-rod electric machine one
28, the program of push-rod electric machine 2 38, vibrating motor 7, stirring motor 30, water pump 10 and cylinder 20 is existing, and program does not need
Editor, submersible motor 1, push-rod electric machine 1, push-rod electric machine 2 38, vibrating motor 7, stirring motor 30, water pump 10 and cylinder 20
It is connected with the controller 12 by route.
Using the above structure, it controls motor, water pump 10 and cylinder 20 by controller 12 to act, high degree of automation.
The working principle of the invention is: drive sewage to enter from the inlet in the pump housing 3 by submersible motor 1, meanwhile, control
The output shaft of stirring motor 30 rotates, and the output shaft of stirring motor 30 drives shaft coupling 2 29 to rotate, 2 29 band turn of shaft coupling
Axis 27 rotates, and shaft 27 drives stir plate 31 to rotate, and stir plate 31 drives agitator arm 22 to rotate, and agitator arm 22 is to Rose Box 1
Interior dirt is stirred, and the dirt of three 25a of the filter hole bulky grain entered or strip is stirred into little particle or billet shape
Dirt, then from two 25b of filter hole be discharged, examined by the discharge of sewage of one 6 couples of two 25b of filter hole of flow sensor
It surveys, when flow is less than predetermined value, then a large amount of dirts get lodged in two 25b of filter hole, at this point, the push rod of control push-rod electric machine 1 is dynamic
Make, the push rod of push-rod electric machine 1 drives shaft coupling 1 mobile, and shaft coupling 1 drives impeller-hub 24 mobile, 24 band of impeller-hub
Dynamic catch bar 23 is mobile, and catch bar 23 drives cover board 1 to rotate, and cover board 1 opens the opening of Rose Box 1, then blocks
Dirt reenter in cesspool, thus dirt can be carried out repeat filtering, control submersible motor 1 main shaft 1a rotation, dive
The main shaft 1a of hydroelectric machine 1 drives fixing sleeve 56 to rotate, and 56 impeller 47 of fixing sleeve rotation, impeller 47 drives sewage from water inlet
Into in the pump housing 3, meanwhile, the main shaft 1a of submersible motor 1 drives chopping disk 59 to rotate, and chopping disk 59 drives 60 turns of cutting blade
Dynamic, cutting blade 60 carries out transverse cuts to the long fibrous impurities in sewage, and the main shaft 1a of submersible motor 1 drives initiative taper simultaneously
Gear 58 rotates, and drive bevel gear 58 drives driven wheel of differential 1 and driven wheel of differential 2 54 to rotate simultaneously, driven wheel of differential
1 and driven wheel of differential 2 54 drive rotation axis 53 to rotate simultaneously, rotation axis 53 drives retaining ring 1 and 2 55 turns of retaining ring simultaneously
Dynamic, retaining ring 1 and retaining ring 2 55 drive screw blade 51 to rotate simultaneously, screw blade 51 to the long fibrous impurities in sewage into
Row is longitudinally cutting, then drives sewage to flow out from the water outlet of the pump housing 3 by submersible motor 1, enters dirt finally by input port
Water is filtered the dirt in Rose Box 2 34 by filter screen 35, passes through the sewage of 2 36 pairs of delivery outlets of flow sensor
Flow is detected, and when flow is less than predetermined value, then a large amount of dirts are got lodged on filter screen 35, at this point, control push-rod electric machine two
The push rod of 38 putter action, push-rod electric machine 2 38 drives pushing plate 37 to move down, and pushing plate 37 pushes dirt to move down
To cover board 2 33, cover board 2 33, which is pressurized, drives one end rotation of telescopic rod 2 41, and the other end of telescopic rod 2 41 is in telescopic rod
Sliding and pressed home spring 40 in one 39, reset spring 40, which is pressurized, generates deformation, makes cover board 2 33 to turning on the inside of material storing box 32
Dynamic, then storing mouth is pressed off, and dirt enters in material storing box 32, reduces environmental pressure, and control water pump 10 acts, and water pump 10 drives
Suction hose 8 sucks liquid above workbench 13, then sparge pipe 11 by spray head 16 downwards spray liquid, make workbench 13 by
To upward impulse force, workbench 13 is made to move up or float in water, to adjust the height of water level of workbench 13, controls cylinder
20 piston rod moves down, and the piston rod of cylinder 20 drives bradyseism sleeve 18 to move down, and bradyseism sleeve 18 drives supporting pad
17 are moved downward to sewage bottom of pond portion, meanwhile, bradyseism spring 19 is pressurized, and so that supporting pad 17 is carried out cushioning supportive to workbench 13,
Then height of water level when adjustable submersible sewage pump work, by balanced ball 45 in curved track 1 or curved track 2 46
Interior sliding makes balanced ball 45 be always positioned at the bottom of curved track 1 and curved track 2 46, to keep workbench 13
Center of gravity keeps workbench 13 to stablize, then can keep stabilization when submersible sewage pump work, the proof submersible sand discharging pump cutting power
Height, good cutting effect.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. a kind of proof submersible sand discharging pump for papermaking sewage processing, including workbench, which is characterized in that set on the workbench
It is equipped with a mechanism of drifting along for being adjustable its height of water level, one is provided on workbench and is able to maintain its stable balance mechanism, is worked
It is fixed with mounting base on platform, a proof submersible sand discharging pump is provided in mounting base, proof submersible sand discharging pump includes the pump housing, submersible motor, pedestal
And side cover, the pump housing have inlet and outlet, water inlet is arranged in pump housing lower end, and it is coupled logical that water inlet is provided with one
Water inlet filter mechanism, water outlet is arranged in pump housing side, and water outlet is provided with a coupled logical water outlet filtering
Mechanism, pedestal are fixed in mounting base, and the water inlet of the pump housing is fixed on the base, and submersible motor is fixed on pump housing upper end, and latent
The main shaft of hydroelectric machine extend into pump body, and side cover is fixed on the water outlet of the pump housing, and one is provided in the pump housing can transverse cuts dirt
The longitudinally cutting mechanism of the transverse cuts mechanism of water medium-length fibre impurity and the longitudinally cutting sewage medium-length fibre impurity of energy.
2. a kind of proof submersible sand discharging pump for papermaking sewage processing according to claim 1, which is characterized in that the cross
It include impeller, filter plate and chopping disk to cutting mechanism, impeller is fixed on the main shaft of submersible motor by fixing sleeve, diving electricity
The main shaft of machine is fixed on pump housing inner wall by bearing one, and impeller upper end is resisted against on bearing one, impeller lower end and filter plate phase
Contact, filter plate pass through main shaft and are fixed on pump housing inner wall, and filter plate lower end and chopping disk are in contact, and cutting disk center passes through master
Axis, chopping disk are circular slab, and several cutting blades are provided on the side of chopping disk；The longitudinally cutting mechanism includes actively
Bevel gear, driven wheel of differential one, driven wheel of differential two, retaining ring one, retaining ring two and rotation axis, drive bevel gear are fixed under main shaft
End, and drive bevel gear upper end and chopping disk are in contact, rotation axis both ends are fixed on pump housing inner wall by bearing two, from mantle
Gear one and driven wheel of differential two are separately fixed in the middle part of rotation axis, and driven wheel of differential one and driven wheel of differential two are and actively
Bevel gear is meshed, and retaining ring one is fixed on the rotating shaft, and one end of retaining ring one and bearing two lean, the other end of retaining ring one and
Driven wheel of differential one leans, and retaining ring two is fixed on the rotating shaft, and one end of retaining ring two and bearing two lean, retaining ring two it is another
One end and driven wheel of differential two lean, and are provided with screw blade on retaining ring one and retaining ring two.
3. a kind of proof submersible sand discharging pump for papermaking sewage processing according to claim 1, which is characterized in that the work
Make to offer through-hole one on platform, through-hole two is offered in mounting base, through-hole one and through-hole two are connected with pump housing water inlet.
4. a kind of proof submersible sand discharging pump for papermaking sewage processing according to claim 2, which is characterized in that the mistake
Several filter hole one are also provided on filter plate.
5. it is according to claim 1 it is a kind of for papermaking sewage processing proof submersible sand discharging pump, which is characterized in that it is described into
Mouth of a river filter mechanism includes Rose Box one, cover board one, push-rod electric machine one, impeller-hub and catch bar, and the upper end of Rose Box one opens up
There are several filter hole two, filter hole two is connected with the water inlet of the pump housing, and the lower end of Rose Box one offers several filter hole three,
The aperture size of filter hole three is greater than filter hole two, and Rose Box one is fixed on workbench lower end, an energy is provided in Rose Box one
The stirring structure of dirt is stirred, one upper end of Rose Box is fixed with vibrating motor, and one upper end of Rose Box is further fixed on by connecting rod one
Flow sensor one, the one side of Rose Box one offer opening, and cover board one is hinged on the opening of Rose Box one by hinge,
Push-rod electric machine one is fixed on one another side of Rose Box, and the push rod of push-rod electric machine one is horizontally disposed, and the push rod of push-rod electric machine one
End passes through one another side of Rose Box and is connected with one end of shaft coupling one, the other end of shaft coupling one and one end phase of impeller-hub
Even, the other end of impeller-hub and one end of catch bar are hinged, and the other end of catch bar and one inside of cover board are hinged, flow sensor
One is connected by route with push-rod electric machine one.
6. a kind of proof submersible sand discharging pump for papermaking sewage processing according to claim 5, which is characterized in that described to stir
Mixing structure includes stirring motor, shaft and stir plate, and stirring motor is fixed on Rose Box one, and the output shaft of stirring motor is horizontal
Setting, the output shaft of stirring motor pass through Rose Box one side and are connected with one end of shaft coupling two, the other end of shaft coupling two with
One end of shaft is connected, and the other end of shaft is connected with the middle part of stir plate, and stir plate is circular slab, if being fixed in stir plate
Dry agitator arm.
7. a kind of proof submersible sand discharging pump for papermaking sewage processing according to claim 1, which is characterized in that described flat
The mechanism that weighs includes curved track one, curved track two and balanced ball, and curved track one and curved track two are each attached to workbench
Lower end, and the bottom of curved track one and curved track two is intersected, offers sliding slot one on curved track one, on curved track two
Sliding slot two is offered, balanced ball can be slided in curved track one and curved track two respectively by sliding slot one and sliding slot two.
8. a kind of proof submersible sand discharging pump for papermaking sewage processing according to claim 7, which is characterized in that the cunning
It is fixed with limited block one in slot one, limited block two is fixed in sliding slot two.
9. a kind of proof submersible sand discharging pump for papermaking sewage processing according to claim 6, which is characterized in that the work
Make to be fixed with controller on platform, submersible motor, push-rod electric machine one, push-rod electric machine two, vibrating motor, stirring motor, water pump are gentle
Cylinder is connected with the controller by route.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092427.3A CN109026730B (en) | 2018-09-19 | 2018-09-19 | A submersible sewage pump for paper mill sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092427.3A CN109026730B (en) | 2018-09-19 | 2018-09-19 | A submersible sewage pump for paper mill sewage treatment |
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| CN109026730A true CN109026730A (en) | 2018-12-18 |
| CN109026730B CN109026730B (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811092427.3A Active CN109026730B (en) | 2018-09-19 | 2018-09-19 | A submersible sewage pump for paper mill sewage treatment |
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| CN110080996A (en) * | 2019-04-29 | 2019-08-02 | 石振领 | It is a kind of can in classification processing sewage rigid solid and soft fibre proof submersible sand discharging pump |
| CN110714924A (en) * | 2019-11-04 | 2020-01-21 | 刘春月 | Anti-blocking device capable of automatically switching shearing and discharging according to water inlet pressure |
| CN112576520A (en) * | 2021-01-13 | 2021-03-30 | 广州市天河区梵问冈商贸有限公司 | Can clear up ruderal preventing blockking up water pump automatically |
| CN112922848A (en) * | 2021-01-31 | 2021-06-08 | 浙江理工大学 | Axial force self-balancing coupling device of centrifugal pump and axial force measuring method |
| CN113027821A (en) * | 2021-04-01 | 2021-06-25 | 中国机械工业第二建设工程有限公司 | Installation auxiliary assembly for submersible sewage pump |
| CN113062867A (en) * | 2021-03-19 | 2021-07-02 | 三联泵业股份有限公司 | Submerged sewage pump with filtering function |
| CN116771684A (en) * | 2023-08-15 | 2023-09-19 | 江苏江进泵业有限公司 | Anti-blocking submersible sewage pump |
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