CN105736388A - Automatic control type efficient self sucking pump - Google Patents
Automatic control type efficient self sucking pump Download PDFInfo
- Publication number
- CN105736388A CN105736388A CN201610110639.4A CN201610110639A CN105736388A CN 105736388 A CN105736388 A CN 105736388A CN 201610110639 A CN201610110639 A CN 201610110639A CN 105736388 A CN105736388 A CN 105736388A
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- CN
- China
- Prior art keywords
- pump
- automatic
- motor
- pump housing
- intelligent control
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- 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
- F04D9/00—Priming; Preventing vapour lock
- F04D9/02—Self-priming pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/004—Priming of not self-priming pumps
- F04D9/006—Priming of not self-priming pumps by venting gas or using gas valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an automatic control type efficient self sucking pump. The automatic control type efficient self sucking pump comprises a pump body, a motor, an automatic exhausting and vacuumizing device and an intelligent control box; a liquid inlet is formed in the bottom of the pump body and is connected to an inlet elbow, a liquid outlet is formed in the side surface of the pump body and is connected to an automatic blowoff valve, an outlet stand pipe is arranged on the top of a valve body of the automatic blowoff valve, and the bottom of the valve body of the automatic blowoff valve is connected to a return pipeline through a return valve; a rotation shaft of the motor is connected to a pump shaft through a coupling, a pump cover is arranged between the pump body and the motor, a cavity formed by the pump body and the pump cover is a pump cavity, and an impeller is arranged inside the pump cavity; the pump cover is provided with an inductive probe and a vacuumizing and exhausting hole, an exhausting pipeline is installed on the vacuumizing and exhausting hole, the automatic exhausting and vacuumizing device communicates with the pump cavity through the exhausting pipeline, and the motor, the inductive probe and the automatic exhausting and vacuumizing device are electrically connected to the intelligent control box through signal cables. The automatic control type efficient self sucking pump is simple and compact in structure, the self sucking function is realized by the automatic exhausting and vacuumizing device, and the hydraulic efficiency is high.
Description
Technical field
The present invention relates to a kind of self priming pump, particularly relate to a kind of efficient self-controlling self-priming pump, belong to mechanical equipment technical field.
Background technology
Self priming pump is commonly used for the industries such as iron and steel, metallurgy, mine, electric power, petroleum and petrochemical industry, papermaking, sewage disposal.Conventional self priming pump is to adopt the additional water tank of pump case, to discharge from pump chamber after mixing wastewater with air when impeller rotates, and be undertaken outside gas excavationg pump after gas-water separation by water tank, under the effect of the rotation of impeller, the pump housing is quickly made to enter the vacuum that interruption-forming is certain, thus realizing the function of self-priming.The self-priming time of this kind of self priming pump is long, and has liquid holdup wherein owing to water tank is medium-term and long-term, thus inevitably there is pump chamber corrosion phenomenon.If the conveying of self priming pump self-priming easily freezes in the low temperature environment of the north, material freezes solidification in pump chamber, blocking pump chamber, not only affects the patency of pump water inlet mouth, and also results in water tank and pump case bursting by freezing.In addition existing major part self priming pump only considers to realize self-priming and do not focus on hydraulic efficiency in pump design process, makes the equipment that efficiency in centrifugal pump is low, energy consumption is higher.
Summary of the invention
The present invention is just for the technical problem existed in prior art, a kind of novel automatic control highly effective self priming pump can being applied in deep-etching, low temperature environment is provided, this pump is provided with automatic drain valve and automatic vent vacuum extractor, can fast self-priming and when termination of pumping the residual liquid in automatic-discharging pipeline and pump chamber, it is to avoid liquid remains the problems such as caused burn into icing, fouling for a long time；And this pump also carries intelligent control box, it is possible to realize the functions such as two position start and stop, fault alarm and Autonomous test.
To achieve these goals, the technical solution used in the present invention is, a kind of automatic control highly effective self priming pump, including the pump housing, motor, automatic vent vacuum extractor and intelligent control box, the described pump housing is fixed on base by the pump support of pump housing bottom, described motor is arranged on the electric machine support being arranged at pump housing upper end, described automatic vent vacuum extractor is fixedly mounted on base, described intelligent control box is arranged on automatic vent vacuum extractor, the bottom of the pump housing is provided with inlet, the side of the pump housing is provided with liquid outlet, described inlet upper flange is connected to import bend pipe, described liquid outlet upper flange is connected to automatic drain valve, the body top of described automatic drain valve is provided with outlet standpipe, bottom is provided with refluxing opening, refluxing opening connects reflux line by reflux inlet；The rotating shaft of described motor is coupled with pump shaft by shaft coupling, is provided with pump cover between the described pump housing and motor, and the inner chamber that the pump housing is formed with pump cover is pump chamber, is provided with impeller, the junction of described pump cover Yu pump shaft is provided with mechanical seal in pump chamber；Pump cover is provided with inductive probe and vacuumizing and exhausting hole, vacuumizing and exhausting is provided with discharge duct on hole, described automatic vent vacuum extractor is connected with pump chamber by discharge duct, automatic vent vacuum extractor includes one way stop peturn valve, vacuum device and evacuation motor, discharge duct is connected on one way stop peturn valve, one way stop peturn valve is arranged on vacuum device, being provided with drivewheel on the power transmission shaft of evacuation motor, drivewheel is in transmission connection with the driven pulley being arranged on vacuum device by belt；Described motor, inductive probe and automatic vent vacuum extractor electrically connect intelligent control box each through signal cable.The ingenious practicality of whole Technical Design, self-suction function is separated with pump body, self-suction function is completed by independent automatic vent vacuum extractor, thus the hydraulic efficiency of self priming pump is carried to the highest, also the self-priming time of self priming pump is substantially reduced so that it is become high-efficiency automatic control self priming pump energy-efficient, that self-suction function is powerful.
As a modification of the present invention, one end closure of the valve body of described automatic drain valve, the liquid outlet of the other end Flange joint pump housing, in valve body, it is positioned at the junction with outlet standpipe is provided with piston, it is provided with back-moving spring in one end of piston, described back-moving spring is between the sealing end and piston of valve body, and described reflux line is arranged at the bottom of back-moving spring.
As a modification of the present invention, the outside pump case of the described pump housing is provided with dismountable wear ring with the place of cooperation of impeller, described wear ring adopts polytetrafluoroethylmaterial material to make, and can improve the efficiency of self priming pump if desired by changing wear ring, so can improve the service life of self priming pump.
As a modification of the present invention, described inductive probe is ultrasonic liquid level sensor, and the probe of described ultrasonic liquid level sensor adopts polyvinyladine floride material to make, and acid-alkali-corrosive-resisting is strong, adopts contactless survey liquid level, and range is big and highly sensitive.
As a modification of the present invention, described import bend pipe be shaped as L-type crooked pipeline, it is provided with flange connecting plate at the two ends of pipeline, that end of the L-type crooked pipeline connected with pump housing bottom liquid inlet mouth is set to band bending curvature, and it is opening up, and then the liquid in pump chamber is discharged at automatic back flow under the effect of gravity to import bend pipe after making termination of pumping, the other end extends to the outside of pump support, consequently facilitating connect liquid-transport pipe-line.
As a modification of the present invention, described intelligent control box is provided with on and off switch, intelligent control circuit plate, touches display screen and accident warning device, described touch display screen is all connected with intelligent control circuit plate with accident warning device, intelligent control circuit plate is provided with remote control module, usb data interface and printer interface, switch over by touching the local/remote control switching virtual button on display screen, described remote control module adopts 2.4G wireless network transceiver module, by the duty of remote controller Remote self priming pump, manipulate simple and convenient；The data stored in intelligent control box can be derived by usb data interface and be easy to product improvement and upgrading；Printer is connected automatically by data-printing by printer interface.
Relative to prior art, entirety of the present invention adopts vertical structure, simple and compact for structure, easy accessibility, can quick fault point by accident warning device, failure rate is low and maintenance facility, owing to self-suction function is completed by independent automatic vent vacuum extractor, realize separating self-suction function with pump body, substantially increase hydraulic efficiency, and owing to being provided with automatic vent vacuum extractor, the self-priming time making this pump shortens 3-5 times than the self-priming time of conventional centrifugal pump, the intelligent control box carried is capable of automatically controlling of self priming pump, automaticity is high, unmanned can be realized, fault alarm, the functions such as long-range control；Can the residual liquid of automatic-discharging pipeline and pump chamber by the automatic drain valve that arranges on liquid outlet during termination of pumping, avoid pipeline and pump chamber to cause the problems such as its burn into icing bursting by freezing, Crystallization Plugging because of residual liquid, thus be particularly well-suited to the workplace of deep-etching and low temperature environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: the 1-pump housing, 2-import bend pipe, 3-impeller, 4-reflux inlet, 5-back-moving spring, 6-outlet standpipe, 7-piston, 8-valve body, 9-inlet, 10-liquid outlet, 11-pump shaft, 12-motor, 13-inductive probe, 14-discharge duct, 15-automatic vent vacuum extractor, 16-intelligent control box, 17-evacuation motor, 18-mechanical seal, 19-pump cover, 21-electric machine support, 22-pump support, 23-base, 25-one way stop peturn valve, 26-vacuum device, 27-drivewheel, 28-belt, 29-driven pulley, 30-wear ring.
Detailed description of the invention
In order to deepen the understanding of the present invention and understanding, below in conjunction with accompanying drawing, the invention will be further described and introduces.
As shown in Figure 1, a kind of automatic control highly effective self priming pump, including the pump housing 1, motor 12, automatic vent vacuum extractor 15 and intelligent control box 16, the described pump housing 1 is fixed on base 23 by the pump support 22 of the pump housing 1 bottom, described motor 12 is arranged on the electric machine support 21 being arranged at the pump housing 1 upper end, described automatic vent vacuum extractor 15 is fixedly mounted on base 23, and described intelligent control box 16 is arranged on automatic vent vacuum extractor 15.The bottom of the pump housing 1 being provided with inlet 9, is provided with liquid outlet 10 in the side of the pump housing 1, described inlet 9 upper flange is connected to import bend pipe 2.Described import bend pipe 2 be shaped as L-type crooked pipeline, it is provided with flange connecting plate at the two ends of pipeline, that end of the L-type crooked pipeline connected with the pump housing 1 bottom liquid inlet mouth 9 is set to band bending curvature, and it is opening up, and then the liquid in pump chamber is discharged to import bend pipe 2 at automatic back flow under the effect of gravity after making termination of pumping, the other end extends to the outside of pump support 22, consequently facilitating connect liquid-transport pipe-line.
Described liquid outlet 10 upper flange is connected to automatic drain valve, and valve body 8 top of described automatic drain valve is provided with outlet standpipe 6, and bottom is provided with refluxing opening, and refluxing opening connects reflux line by reflux inlet 24；One end closure of the valve body 8 of described automatic drain valve, the liquid outlet 10 of the other end Flange joint pump housing 1, in valve body 8, it is positioned at the junction with outlet standpipe 6 is provided with piston 7, it is provided with back-moving spring 5 in one end of piston 7, described back-moving spring 5 is between the sealing end and piston 7 of valve body 8, and described reflux line is arranged at the bottom of back-moving spring 5.
The rotating shaft of described motor 12 is coupled with pump shaft 11 by shaft coupling, it is provided with pump cover 19 between the described pump housing 1 and motor 12, the inner chamber that the pump housing 1 is formed with pump cover 19 is pump chamber, is provided with impeller 3 in pump chamber, and the junction of described pump cover 19 with pump shaft 11 is provided with mechanical seal 18.Pump cover 19 is provided with inductive probe 13 and vacuumizing and exhausting hole, vacuumizing and exhausting hole is provided with discharge duct 14, described automatic vent vacuum extractor 15 is connected with pump chamber by discharge duct 14, automatic vent vacuum extractor 15 includes one way stop peturn valve 25, vacuum device 26 and evacuation motor 17, discharge duct 14 is connected on one way stop peturn valve 25, one way stop peturn valve 25 is arranged on vacuum device 26, the power transmission shaft of evacuation motor 17 is provided with drivewheel 27, drivewheel 27 is in transmission connection with the driven pulley 29 being arranged on vacuum device 26 by belt 28.
The outside pump case of the described pump housing 1 is provided with dismountable wear ring 30 with the place of cooperation of impeller 3, described wear ring 30 adopts polytetrafluoroethylmaterial material to make, the efficiency of self priming pump can be improved if desired by changing wear ring 30, so can improve the service life of self priming pump.Described back-moving spring 5 adopts stainless steel spring steel wire to be processed into, and has higher high resiliency, corrosion resistance and high tenacity, and described pump case and impeller 3 adopt abrasion-proof stainless steel material to make, and still possess preferably hydraulic performance when can ensure that impeller 3 life-time service.Described inductive probe 13 is ultrasonic liquid level sensor, and the probe of described ultrasonic liquid level sensor adopts polyvinyladine floride material to make, and acid-alkali-corrosive-resisting is strong, adopts contactless survey liquid level, and range is big and highly sensitive.It is provided with sealing gasket between described import bend pipe 2 and inlet 9, to guarantee the sealing of inlet pipeline, is further ensured that the vacuum of the pump housing 1 inner chamber.
Described motor 12, inductive probe 13 and automatic vent vacuum extractor 15 electrically connect intelligent control box 16 each through signal cable.Described intelligent control box 16 is provided with on and off switch, intelligent control circuit plate, touches display screen and accident warning device, described touch display screen is all connected with intelligent control circuit plate with accident warning device, intelligent control circuit plate is provided with remote control module, usb data interface and printer interface, switch over by touching the local/remote control switching virtual button on display screen, described remote control module adopts 2.4G wireless network transceiver module, by the duty of remote controller Remote self priming pump, manipulate simple and convenient；The data of storage in intelligent control box 16 can be derived by usb data interface and be easy to product improvement and upgrading；Printer is connected automatically by data-printing by printer interface.
Operation principle: referring to Fig. 1, after turning on the power switch and switching on power, inductive probe 13 senses when pump chamber is anhydrous, and intelligent control box 16 starts the evacuation motor 17 on automatic vent vacuum extractor 15 and drives automatic vent vacuum extractor 15 work to start to bleed from pump chamber along discharge duct 14.And then current flow up along import bend pipe 2 and quickly fill with impeller 3 and pump chamber.When inductive probe 13 senses that pump chamber gas is discharged and pump chamber is internal hydraulically full, automatic vent vacuum extractor 15 evacuation motor 17 is stopped by intelligent control box 16, and then automatic vent vacuum extractor 15 stops vacuumizing and exhausting, and intelligent control box 16 starts motor 12 and drives the rotation of pump shaft 11 impeller 3 to fetch water.
Current flow out and impact piston 7 from liquid outlet 10 under the centrifugal force of impeller 3 drives, and piston 7 compression reseting spring 5 under the active force of current opens exit passageway (i.e. outlet standpipe 6) and closed reflux passage (i.e. reflux line) realizes the conveying of normal fluid.
When pump quits work, intelligent control circuit sends signal and stops motor 12, impeller 3 runs out of steam and stops the rotation, piston 7 work surface loses hydro-flow thrust and resets under the active force of back-moving spring 5, enclosing pump chamber outlet prevents recirculation water impact impeller 3 from causing reversing, piston 7 opens reflux line simultaneously, and the water in valve body 8 is discharged thus emptying pipeline by reflux inlet 24 passage.Water in pump chamber refluxing along the former road of import bend pipe 2 under the effect of gravity, thus emptying all recirculation waters in pump chamber.
It should be noted that above-described embodiment, be not used for limiting protection scope of the present invention, equivalents done on the basis of technique scheme or replacement each fall within the scope that the claims in the present invention are protected.
Claims (6)
1. an automatic control highly effective self priming pump, it is characterized in that: include the pump housing, motor, automatic vent vacuum extractor and intelligent control box, the described pump housing is fixed on base by the pump support of pump housing bottom, described motor is arranged on the electric machine support being arranged at pump housing upper end, described automatic vent vacuum extractor is fixedly mounted on base, described intelligent control box is arranged on automatic vent vacuum extractor, the bottom of the pump housing is provided with inlet, the side of the pump housing is provided with liquid outlet, described inlet upper flange is connected to import bend pipe, described liquid outlet upper flange is connected to automatic drain valve, the body top of described automatic drain valve is provided with outlet standpipe, bottom is provided with refluxing opening, refluxing opening connects reflux line by reflux inlet；The rotating shaft of described motor is coupled with pump shaft by shaft coupling, is provided with pump cover between the described pump housing and motor, and the inner chamber that the pump housing is formed with pump cover is pump chamber, is provided with impeller, the junction of described pump cover Yu pump shaft is provided with mechanical seal in pump chamber；Pump cover is provided with inductive probe and vacuumizing and exhausting hole, vacuumizing and exhausting is provided with discharge duct on hole, described automatic vent vacuum extractor is connected with pump chamber by discharge duct, automatic vent vacuum extractor includes one way stop peturn valve, vacuum device and evacuation motor, discharge duct is connected on one way stop peturn valve, one way stop peturn valve is arranged on vacuum device, being provided with drivewheel on the power transmission shaft of evacuation motor, drivewheel is in transmission connection with the driven pulley being arranged on vacuum device by belt；Described motor, inductive probe and automatic vent vacuum extractor electrically connect intelligent control box each through signal cable.
2. a kind of automatic control highly effective self priming pump as claimed in claim 1, it is characterized in that, one end closure of the valve body of described automatic drain valve, the liquid outlet of the other end Flange joint pump housing, in valve body, it is positioned at the junction with outlet standpipe is provided with piston, be provided with back-moving spring in one end of piston, described back-moving spring is between the sealing end and piston of valve body, and described reflux line is arranged at the bottom of back-moving spring.
3. a kind of automatic control highly effective self priming pump as claimed in claim 2, it is characterised in that the outside pump case of the described pump housing is provided with dismountable wear ring with the place of cooperation of impeller, and described wear ring adopts polytetrafluoroethylmaterial material to make.
4. a kind of automatic control highly effective self priming pump as claimed in claim 3, it is characterised in that described inductive probe is ultrasonic liquid level sensor, and the probe of described ultrasonic liquid level sensor adopts polyvinyladine floride material to make.
5. a kind of automatic control highly effective self priming pump as claimed in claim 4, it is characterized in that, described import bend pipe be shaped as L-type crooked pipeline, it is provided with flange connecting plate at the two ends of pipeline, that end of the L-type crooked pipeline connected with pump housing bottom liquid inlet mouth is set to band bending curvature, and the other end extends to the outside of pump support.
6. a kind of automatic control highly effective self priming pump as claimed in claim 5, it is characterized in that, described intelligent control box is provided with on and off switch, intelligent control circuit plate, touch display screen and accident warning device, described touch display screen is all connected with intelligent control circuit plate with accident warning device, intelligent control circuit plate is provided with remote control module, usb data interface and printer interface, switch over by touching the local/remote control switching virtual button on display screen, described remote control module adopts 2.4G wireless network transceiver module, duty by remote controller Remote self priming pump, printer is connected automatically by data-printing by printer interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610110639.4A CN105736388A (en) | 2016-02-29 | 2016-02-29 | Automatic control type efficient self sucking pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610110639.4A CN105736388A (en) | 2016-02-29 | 2016-02-29 | Automatic control type efficient self sucking pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105736388A true CN105736388A (en) | 2016-07-06 |
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ID=56248771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610110639.4A Pending CN105736388A (en) | 2016-02-29 | 2016-02-29 | Automatic control type efficient self sucking pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736388A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401984A (en) * | 2016-12-05 | 2017-02-15 | 合肥俊刚机械科技有限公司 | Agricultural intelligent single-suction vertical centrifugal water pump |
| CN107939693A (en) * | 2017-11-14 | 2018-04-20 | 浙江群石工业设计有限公司 | A kind of automatic intelligent self priming pump |
| CN110073110A (en) * | 2016-12-20 | 2019-07-30 | Ksb股份有限公司 | Pump assembly and nuclear reactor with such pump assembly |
| CN110155387A (en) * | 2017-05-17 | 2019-08-23 | 苏州康乐辉医药科技有限公司 | A kind of dedicated filling apparatus of suspension |
| CN113530838A (en) * | 2021-08-13 | 2021-10-22 | 浙江东航消防泵业有限公司 | Water pump with self-suction device |
| CN114076102A (en) * | 2020-08-17 | 2022-02-22 | 赫尔产品公司 | Dual start system for a pump |
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| US3519369A (en) * | 1968-09-20 | 1970-07-07 | Union Tank Car Co | Pump priming system |
| SU525809A1 (en) * | 1973-07-06 | 1976-08-25 | Предприятие П/Я М-5356 | Pump unit |
| CN101216039A (en) * | 2007-12-28 | 2008-07-09 | 济南奔腾泵业制造有限公司 | Vertical type highly effective energy-saving abrasion-proof pump |
| CN201575201U (en) * | 2010-01-18 | 2010-09-08 | 上海华虹Nec电子有限公司 | Check valve |
| CN202370856U (en) * | 2011-12-09 | 2012-08-08 | 辽宁格瑞特泵业有限公司 | Novel diaphragm type self-sucking pump |
| CN202901385U (en) * | 2012-11-16 | 2013-04-24 | 宁波华成阀门有限公司 | Stop valve with drain valve |
| CN103542139A (en) * | 2013-10-28 | 2014-01-29 | 黑龙江宏宇电站设备有限公司 | Boiler check valve with drain pipe |
| CN105298856A (en) * | 2015-11-16 | 2016-02-03 | 辽宁格瑞特泵业有限公司 | Self-suction type novel liquid sulfur pump |
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2016
- 2016-02-29 CN CN201610110639.4A patent/CN105736388A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3519369A (en) * | 1968-09-20 | 1970-07-07 | Union Tank Car Co | Pump priming system |
| SU525809A1 (en) * | 1973-07-06 | 1976-08-25 | Предприятие П/Я М-5356 | Pump unit |
| CN101216039A (en) * | 2007-12-28 | 2008-07-09 | 济南奔腾泵业制造有限公司 | Vertical type highly effective energy-saving abrasion-proof pump |
| CN201575201U (en) * | 2010-01-18 | 2010-09-08 | 上海华虹Nec电子有限公司 | Check valve |
| CN202370856U (en) * | 2011-12-09 | 2012-08-08 | 辽宁格瑞特泵业有限公司 | Novel diaphragm type self-sucking pump |
| CN202901385U (en) * | 2012-11-16 | 2013-04-24 | 宁波华成阀门有限公司 | Stop valve with drain valve |
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| CN105298856A (en) * | 2015-11-16 | 2016-02-03 | 辽宁格瑞特泵业有限公司 | Self-suction type novel liquid sulfur pump |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401984A (en) * | 2016-12-05 | 2017-02-15 | 合肥俊刚机械科技有限公司 | Agricultural intelligent single-suction vertical centrifugal water pump |
| CN110073110A (en) * | 2016-12-20 | 2019-07-30 | Ksb股份有限公司 | Pump assembly and nuclear reactor with such pump assembly |
| CN110073110B (en) * | 2016-12-20 | 2021-06-04 | Ksb股份有限公司 | Pump assembly and nuclear reactor with such a pump assembly |
| CN110155387A (en) * | 2017-05-17 | 2019-08-23 | 苏州康乐辉医药科技有限公司 | A kind of dedicated filling apparatus of suspension |
| CN107939693A (en) * | 2017-11-14 | 2018-04-20 | 浙江群石工业设计有限公司 | A kind of automatic intelligent self priming pump |
| CN114076102A (en) * | 2020-08-17 | 2022-02-22 | 赫尔产品公司 | Dual start system for a pump |
| CN114076102B (en) * | 2020-08-17 | 2024-01-05 | 赫尔产品公司 | Dual start system for pump |
| CN113530838A (en) * | 2021-08-13 | 2021-10-22 | 浙江东航消防泵业有限公司 | Water pump with self-suction device |
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Application publication date: 20160706 |