CN106704201B - A kind of dredge pump - Google Patents
A kind of dredge pump Download PDFInfo
- Publication number
- CN106704201B CN106704201B CN201611242051.0A CN201611242051A CN106704201B CN 106704201 B CN106704201 B CN 106704201B CN 201611242051 A CN201611242051 A CN 201611242051A CN 106704201 B CN106704201 B CN 106704201B
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- CN
- China
- Prior art keywords
- suction nozzle
- switch device
- dredge pump
- cleaning assembly
- liquid outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2288—Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction 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 discloses a kind of dredge pumps, including the pump housing, the suction nozzle being arranged on the pump housing, liquid outlet and the drain pipe being connected to the liquid outlet, it further include control system, the drain pipe is equipped with first switch device, the liquid outlet is communicated with cleaning assembly, the connectivity part of the liquid outlet and the cleaning assembly is equipped with second switch device, and the first switch device is electrically connected the control system with the second switch device.Dredge pump of the invention automatically controls the closing of first switch device and second switch device using control system, it backwashed, cleared up by suction nozzle of the cleaning assembly to dredge pump, prevent sundries blocking pollution discharging pump suction nozzle from causing dredge pump rotor oscillation, the possibility of mechanical destruction is caused to dredge pump itself, the stability in use of pump is good, the service life of increasing pump;Extend maintenance and cleaning cycle, downtime is few, has saved cost of labor, the use cost of dredge pump is low, and service life is long.
Description
Technical field
The present invention relates to machinery manufacturing technology fields, in particular to a kind of dredge pump.
Background technique
In sewage disposal system, dredge pump is a kind of with relatively broad delivery means.Dredge pump be it is a kind of pump with
Motor disjunctor, and the pump class product to work under liquid, compared with general horizontal pump or vertical sump pump, blowdown pump configuration are slipped into simultaneously
It is compact, occupied area is small.Dredge pump, which has, can transport the liquid containing rigid solid, fibre object, and especially dirty, viscous and sliding
The characteristics of liquid, is widely used in the sewage treatment in various fields.And in sewage often with many blocky, graininess or
Person's long fibre shape impurity when dredge pump encounters these impurity, easily occurs blocking or stuck, can even damage blowdown pumping unit sometimes
Itself.At the same time, conventional dredge pump has a single function, even if conventional sewage pump is equipped with cutting blade and paddle in import
Piece, but the import pumped is also easy blocking, generates rotor oscillation, reduces the service life of pump, causes often to shut down cleaning, increase
Cost of labor.
Summary of the invention
In view of this, a kind of dredge pump provided by the invention, preferably overcome the above-mentioned problems of the prior art and
Defect is carried out automatically controlling using control system, is backwashed, is cleared up by suction nozzle of the cleaning assembly to dredge pump, prevented
Sundries blocking pollution discharging pump suction nozzle causes dredge pump rotor oscillation, and the possibility of mechanical destruction is caused to dredge pump itself, and pump makes
It is good with stability, the service life of increasing pump.
A kind of dredge pump, including the pump housing, the suction nozzle being arranged on the pump housing, liquid outlet and the drain being connected to the liquid outlet
Pipe, further includes control system, and the drain pipe is equipped with first switch device, and the liquid outlet is communicated with cleaning assembly, it is described go out
The connectivity part of liquid mouth and the cleaning assembly is equipped with second switch device, the first switch device and the second switch device
It is electrically connected the control system;The control system is less than or equal to preset pressure in the pressure of liquid outlet, and first
When switching device is closed, control second switch device is opened so that the cleaned component discharge of liquid that goes out of liquid outlet is inhaled to clean
Head;And it is higher than preset pressure in the pressure of liquid outlet, and when first switch device opening, control second switch device is closed
So that the liquid that goes out of liquid outlet is discharged through drain pipe.
It further, further include motor and electric machine support, the pump housing upper end passes through cylindrical stent and the electric machine support
Connection, the motor are mounted on the electric machine support, and the motor is electrically connected the control system.
Further, the suction nozzle includes main suction nozzle and several suction nozzles.
Further, the cleaning assembly includes the first cleaning assembly and the second cleaning assembly, first cleaning assembly
For cleaning the main suction nozzle, second cleaning assembly is for cleaning the branch suction nozzle.
Further, the first switch device and the second switch device are solenoid valve.
Further, cutter and cutting filter screen are installed in the main suction nozzle.
Further, the cutter are inducer.
Further, first cleaning assembly is helical form and is arranged around the main suction nozzle.
Further, first cleaning assembly includes the first jet being arranged in the main suction nozzle;Described second is clear
Washing component pipe includes the second nozzle being arranged in the branch suction nozzle.
Further, several third nozzles are additionally provided on first cleaning assembly.
Further, the branch suction nozzle at least 2.
Compared with prior art, the beneficial effect of dredge pump of the invention is:
(1), dredge pump of the invention automatically controls the pass of first switch device and second switch device using control system
It closes, is backwashed, cleared up by suction nozzle of the cleaning assembly to dredge pump, prevent sundries blocking pollution discharging pump suction nozzle from causing dredge pump
Rotor oscillation causes the possibility of mechanical destruction to dredge pump itself, and the stability in use of pump is good, the service life of increasing pump;
Extend maintenance and cleaning cycle, downtime is few, has saved cost of labor, the use cost of dredge pump is low, and service life is long.
(2), further, dredge pump of the invention is additionally provided with several suction nozzles, on the one hand realizes ten thousand in addition to main suction nozzle
After one has the main suction nozzle of foreign matters from being blocked, remain to maintain the normal work of dredge pump by branch suction nozzle;On the other hand when it is to be processed production,
When sanitary sewage load is bigger, the main suction nozzle and the branch suction nozzle are simultaneously operable, compact-sized, are run smoothly.
(3), further, dredge pump of the invention passes through the cutter being installed in pump in main suction nozzle and cuts filter screen
Cooperation thoroughly, adequately cut to sundries biggish in sewage, prevents foreign matter winding from increasing motor on the impeller vanes negative
It carries, is effectively reduced power consumption.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of dredge pump of the invention;
Fig. 2 is the partial enlarged view at the position A in the structural schematic diagram of dredge pump of the invention;
Fig. 3 is the partial enlarged view at the position B in the structural schematic diagram of dredge pump of the invention.
Drawing reference numeral explanation:
1 dredge pump
100 pump housings
110 suction nozzles
111 main suction nozzles
1111 cutter
1112 cutting filter screens
112 suction nozzles
120 liquid outlets
121 pressure sensors
200 drain pipes
210 first switch devices
300 control systems
400 cleaning assemblies
410 second switch devices
420 first cleaning assemblies
421 first jets
422 third nozzles
430 second cleaning assemblies
431 second nozzles
500 motors
600 electric machine supports
700 cylindrical stents
800 bearing housings
900 axis
910 shaft couplings
Specific embodiment
To facilitate the understanding of the present invention, dredge pump is described more fully below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of dredge pump.But dredge pump can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the disclosure to dredge pump more thorough and comprehensive.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively heavy
The property wanted.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can
, can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis
Concrete condition understands the concrete meaning of above-mentioned term.
Refering to fig. 1, the present invention provides a kind of dredge pumps 1, including the pump housing 100, the suction nozzle being arranged on the pump housing 110, set
The liquid outlet 120 in pump housing lower end and the drain pipe 200 that is connected to the liquid outlet 120 are set, further includes control system 300, institute
Drain pipe 200 is stated equipped with first switch device 210, the liquid outlet 120 is communicated with cleaning assembly 400, the liquid outlet 120
It is equipped with second switch device 410 with the connectivity part of the cleaning assembly 400, the first switch device 210 is opened with described second
It closes device 410 and is electrically connected the control system 300.
The control system 300 is less than or equal to preset pressure in the pressure of liquid outlet 120, and fills in first switch
When setting 210 closing, control second switch device 410 is opened so that the cleaned component 400 of liquid that goes out of liquid outlet 120 is discharged with clear
Wash suction nozzle 110;And it is higher than preset pressure in the pressure of liquid outlet 120, and control second when the opening of first switch device 210
Switching device 410 is closed so that the liquid that goes out of liquid outlet 120 is discharged through drain pipe 200.
Preferably, in embodiments of the present invention, the connectivity part of the liquid outlet 120 and the drain pipe 200 is equipped with pressure
Sensor 121, the pressure sensor 121 are electrically connected the control system 300.
Further, further include motor 500 and electric machine support 600,100 upper end of the pump housing by cylindrical stent 700 with
The electric machine support 600 connects, and the motor 500 is mounted on the electric machine support 600, and the motor 500 is electrically connected described
Control system 300.
The working principle of above-mentioned dredge pump 1 is as follows: first switch when 1 nominal situation of dredge pump is run, on drain pipe 200
Device 210 is in the open state, and the second switch device 410 is in close state, and motor 500 turns in nominal situation
Speed.The pressure sensor 121 is used to incude the pressure of the liquid outlet 120, and believes to the control system 300 transmitting pressure
Number, when the pressure signal that control system 300 receives is less than or equal to preset pressure, show that suction nozzle 110 is blocked, this time control
System 300 processed closes first switch device 210, and opens simultaneously second switch device 410;And 300 control of sewage disposal of control system
Motor 500 on pump 1 suspends and starts antiport, and 500 2~3min of antiport of motor gets rid of the impeller in suction nozzle and twines
Around object;Then control system 300 controls motor 500 and starts to rotate forward 3~5min at a high speed, and make liquid outlet 120 goes out cleaned group of liquid
Part 400 is rinsed and clears up to 1 suction nozzle 110 of dredge pump;When the pressure signal that control system 300 receives is lower than preset pressure
When, show to be cleaned and rinsed well in the suction nozzle 110 of dredge pump 1, control system 300 controls motor 500 and restores just at this time
Normal operating condition revolving speed, and first switch device 210 is opened, simultaneously close off second switch device 410.
Above-mentioned drain pipe 200 is fixedly mounted on the 100 left side ring flange of the pump housing by the ring flange of right end.It is above-mentioned clear
Cleaning pipeline can be enumerated as by washing component 400.
It is to be appreciated that the motor 500 is mounted on the electric machine support 600, one of implementation are as follows: institute
Motor 500 is stated to be fixedly mounted on by screw on the top surface of the electric machine support 600.
100 upper end of the pump housing is connect by cylindrical stent 700 with the electric machine support 600, and the cylindrical stent 700 can
It is enumerated as connecting by top chock or bearing housing 800 with the electric machine support 600.Preferably, described in the embodiment of the present invention
Cylindrical stent 700 is connect by bearing housing 800 with the electric machine support 600, and the electric machine support 600 is fixedly mounted by screw
On the bearing housing 800.
Preferably, the suction nozzle 110 includes main suction nozzle 111 and several suction nozzles 112.
Seen from the above description, dredge pump 1 provided by the invention is additionally provided with several suction nozzles in addition to main suction nozzle 111
112, after on the one hand realizing just in case there is the main suction nozzle 111 of foreign matters from being blocked, remain to maintain the normal work of dredge pump 1 by branch suction nozzle 112
Make;On the other hand when production to be processed, sanitary sewage load are bigger, the main suction nozzle 111 and the branch suction nozzle 112 can be same
When work, it is compact-sized, run smoothly.
The quantity of above-mentioned branch suction nozzle 112 at least 2,3,4,5 or 6 etc. can also be enumerated as.
Preferably, in embodiments of the present invention, the first switch device 210 and the second switch device 410 are
Solenoid valve.The solenoid valve can be enumerated as the anti-water solenoid valve of high pressure.
Preferably, in embodiments of the present invention, the cleaning assembly 400 includes the first cleaning assembly 420 and the second cleaning
Component 430, first cleaning assembly 420 is for cleaning the main suction nozzle 111, and second cleaning assembly 430 is for cleaning
The branch suction nozzle 112.
As shown in Fig. 2, first cleaning assembly 420 and second cleaning assembly 430 are straight with the drain pipe 200
Lead in succession, the connectivity part of first cleaning assembly 420 and the drain pipe 200 and second cleaning assembly 430 with it is described
The connectivity part of drain pipe 200 is equipped with switching device, and the switching device is electrically connected with the control system 300, in order to control
System 300 processed regulating switch device according to actual needs, make liquid outlet 120 to go out liquid only individually right through the first cleaning assembly 420
Main suction nozzle 111 is cleaned, or carries out the liquid that goes out of liquid outlet 120 only individually to branch suction nozzle 112 through the second cleaning assembly 430
Cleaning, or make the liquid out of liquid outlet 120 through the first cleaning assembly 420 and the second cleaning assembly 430 simultaneously to main 111 He of suction nozzle
Branch suction nozzle 112 is cleaned.
First cleaning assembly 420 is helical form and is arranged around the main suction nozzle 111.
Preferably, in the embodiment of the present invention, first cleaning assembly 420 includes being arranged in the main suction nozzle 111
First jet 421;Second cleaning assembly 430 includes the second nozzle 431 being arranged in the branch suction nozzle 112.
Above-mentioned second cleaning assembly 430 further includes several branch pipes, and the second nozzle 431 of the nozzle of several branch pipes is inserted into described
In several suction nozzles 112.
It is understood that the first jet 421 and the second nozzle 431 may be configured as 360 degree of jet roses,
To realize that the high-pressure medium that dredge pump 1 conveys passes through install on the first cleaning assembly 420 and the second cleaning assembly 430 first
Nozzle 421 and second nozzle 431 carry out the thoroughly flushing without dead angle and clear to the main suction nozzle 111 and branch suction nozzle 112 of dredge pump 1
Reason.
Preferably, in the embodiment of the present invention, several third nozzles 422 are provided on first cleaning assembly 420, such as
4,5 or 6 etc..Several third nozzles 422 can be uniformly mounted on first cleaning assembly 420, when passing through the
When one cleaning assembly 420 is rinsed and clears up to the main suction nozzle 111 of dredge pump 1, while realizing to sewage bottom of pond portion and main suction
First 111, which carry out high pressure compared with the sundries that distant positions deposit, washes away, and stirs evenly deposition sundries, it is easier to be taken away by dredge pump 1.
Preferably, in the embodiment of the present invention, cutter 1111 and cutting filter screen are installed in the main suction nozzle 111
1112。
It is understood that above-mentioned cutter 1111 are connect by axis 900 with the motor 500, the cutter 1111
It is fixedly mounted on by screw on the bottom surface of the axis 900,900 top of axis is defeated by shaft coupling 910 and the motor 500
Axis connection out.
In the embodiment of the present invention, pass through the cutter 1111 and cutting filter screen being installed in the main suction nozzle 111 of dredge pump 1
1112 cooperation keeps dredge pump 1 more thorough to the cutting of sundries in sewage, more abundant, prevents biggish sundries winding impeller, block up
The main suction nozzle 111 of dredge pump 1 is filled in, the normal operation of pump is influenced, wastes electric energy.
Preferably, in the embodiment of the present invention, the cutter 1111 are inducer, when can prevent cutter 1111 from operating
Influence 1 nominal situation of dredge pump.
It is to be appreciated that the features such as inducer is with its high cascade solidity and low incidence, so that liquid working substance streams leaf
Pressure drop is little when piece type face, maximum pressure drop point from vane inlet farther out, the higher blade outer edge area of Fluid pressure, institute
It is smaller with critical effective cavitation surplus of inducer;Meanwhile inducer is a kind of aial flow impeller, circulation area is big, even if
It also can normally work and be not easy to plug under the conditions of local cavitation, and centrifugal force is smaller, gas-liquid separation will not be generated, thus lure
Guide wheel anti-cavitation performance with higher, and can be improved the anti-cavitation performance of pump.
In conclusion compared with prior art, the beneficial effect of dredge pump of the invention is:
(1), dredge pump of the invention receives the signal of pressure sensor using control system, automatically controls first switch dress
The closing with second switch device is set, backwashed, cleared up by suction nozzle of the cleaning assembly to dredge pump, prevent sundries from blocking
Blowdown pump suction causes dredge pump rotor oscillation, and the possibility of mechanical destruction, the stability in use of pump are caused to dredge pump itself
It is good, the service life of increasing pump;Extend maintenance and cleaning cycle, downtime is few, has saved cost of labor, the use of dredge pump
At low cost, service life is long.
(2), further, dredge pump of the invention is additionally provided with several suction nozzles, on the one hand realizes ten thousand in addition to main suction nozzle
After one has the main suction nozzle of foreign matters from being blocked, remain to maintain the normal work of dredge pump by branch suction nozzle;On the other hand when it is to be processed production,
When sanitary sewage load is bigger, the main suction nozzle and the branch suction nozzle are simultaneously operable, compact-sized, are run smoothly.
(3), further, dredge pump of the invention passes through the cutter being installed in pump in main suction nozzle and cuts filter screen
Cooperation thoroughly, adequately cut to sundries biggish in sewage, prevents foreign matter winding from increasing motor on the impeller vanes negative
It carries, is effectively reduced power consumption.
Although the above more term for having used expression structure, such as " first switch device ", " control system ", " cutting
Knife " etc., but it does not exclude the possibility of using other terms.The use of these items is only for be more convenient to describe and explain
Essence of the invention;Being construed as any additional limitation is disagreed with spirit of that invention.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (10)
1. a kind of dredge pump, including the pump housing, the suction nozzle being arranged on the pump housing, liquid outlet and the drain being connected to the liquid outlet
Pipe, it is characterised in that: further include control system, the drain pipe is equipped with first switch device, and the liquid outlet is communicated with cleaning
Component, the connectivity part of the liquid outlet and the cleaning assembly are equipped with second switch device, the first switch device with it is described
Second switch device is electrically connected the control system;The control system is less than or equal to preset in the pressure of liquid outlet
Pressure, and when first switch device is closed, control second switch device is opened so that the cleaned component of liquid out of liquid outlet
Discharge is to clean suction nozzle;And it is higher than preset pressure in the pressure of liquid outlet, and when first switch device opening, control second
Switching device is closed so that the liquid that goes out of liquid outlet is discharged through drain pipe;The cleaning assembly includes the spray being arranged in the suction nozzle
Mouth;The nozzle is 360 degree of jet roses.
2. dredge pump according to claim 1, it is characterised in that: further include motor and electric machine support, the pump housing upper end
It is connect by cylindrical stent with the electric machine support, the motor is mounted on the electric machine support, and the motor is electrically connected institute
State control system.
3. dredge pump according to claim 1, it is characterised in that: the suction nozzle includes main suction nozzle and several suction nozzles.
4. dredge pump according to claim 3, it is characterised in that: the cleaning assembly includes the first cleaning assembly and second
Cleaning assembly, first cleaning assembly are inhaled for cleaning the main suction nozzle, second cleaning assembly for cleaning the branch
Head.
5. dredge pump according to claim 1, it is characterised in that: the first switch device and the second switch device
It is solenoid valve.
6. dredge pump according to claim 3, it is characterised in that: be equipped with cutter and cutting filtering in the main suction nozzle
Net.
7. dredge pump according to claim 6, it is characterised in that: the cutter are inducer.
8. dredge pump according to claim 4, it is characterised in that: first cleaning assembly is helical form and surround described
Main suction nozzle setting.
9. dredge pump according to claim 4, it is characterised in that: first cleaning assembly includes being arranged in the main suction
First jet in head;Second cleaning assembly includes the second nozzle being arranged in the branch suction nozzle;The first jet
It is 360 degree of jet roses with second nozzle.
10. dredge pump according to claim 4, it is characterised in that: be additionally provided with several on first cleaning assembly
Three nozzles.
Priority Applications (1)
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CN201611242051.0A CN106704201B (en) | 2016-12-29 | 2016-12-29 | A kind of dredge pump |
Applications Claiming Priority (1)
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CN201611242051.0A CN106704201B (en) | 2016-12-29 | 2016-12-29 | A kind of dredge pump |
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CN106704201A CN106704201A (en) | 2017-05-24 |
CN106704201B true CN106704201B (en) | 2019-05-07 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110566452A (en) * | 2019-08-01 | 2019-12-13 | 江苏沛源泵业制造有限公司 | Water inlet device of water pump using automatic cleaning electromagnetic control |
CN111894861B (en) * | 2020-07-16 | 2021-09-21 | 湖南人文科技学院 | High-efficient agricultural dredge 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 |
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US4134711A (en) * | 1976-11-26 | 1979-01-16 | Engineers Sales-Service Co., Inc. | Submersible pump apparatus |
CN2687392Y (en) * | 2004-02-20 | 2005-03-23 | 广州市白云泵业制造有限公司 | Back-flushing submersible sewage pump |
CN2766073Y (en) * | 2004-11-10 | 2006-03-22 | 上海凯泉泵业(集团)有限公司 | Automatic opening and closing flushing valve for pump |
CN2811634Y (en) * | 2005-08-09 | 2006-08-30 | 上海凯泉泵业(集团)有限公司 | Automatic flushing valve for sewage pump |
CN1916426A (en) * | 2006-07-03 | 2007-02-21 | 江苏迎浪科技集团有限公司 | Intelligent pump set matched to new sewage treatment facility |
CN201696308U (en) * | 2010-06-17 | 2011-01-05 | 上海汇业机械科技有限公司 | Diving sewage pump with cutting tools |
CN202250915U (en) * | 2011-08-24 | 2012-05-30 | 安徽科技学院 | Pulverizing submersible pollution discharge pump |
CN203962507U (en) * | 2013-12-30 | 2014-11-26 | 上海连成(集团)有限公司 | The recoiling device of vertical self-controlled self-priming pump |
CN203730335U (en) * | 2014-01-25 | 2014-07-23 | 台州斯莱特机电设备有限公司 | Sewage pump |
CN204001182U (en) * | 2014-07-31 | 2014-12-10 | 浙江奇峰泵业有限公司 | A kind of sewage lifting pump station |
CN204152860U (en) * | 2014-09-04 | 2015-02-11 | 广州市白云泵业集团有限公司 | A kind of backwash type proof submersible sand discharging pump |
CN204458558U (en) * | 2014-12-12 | 2015-07-08 | 四川三台剑门泵业有限公司 | A kind of self-cleaning submersible pump |
CN105201868B (en) * | 2015-10-15 | 2017-10-31 | 江苏中兴水务有限公司 | The flushing method of self-flushing submersible water power pump and its basic sediment |
CN205677848U (en) * | 2016-06-13 | 2016-11-09 | 河北磐石泵业有限公司 | Many suction nozzles vertical silt-proof discharge pump |
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2016
- 2016-12-29 CN CN201611242051.0A patent/CN106704201B/en active Active
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