CN104989654B - Oil-free rotary vane vacuum type self-priming centrifugal pump and use method thereof - Google Patents
Oil-free rotary vane vacuum type self-priming centrifugal pump and use method thereof Download PDFInfo
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- CN104989654B CN104989654B CN201510399788.2A CN201510399788A CN104989654B CN 104989654 B CN104989654 B CN 104989654B CN 201510399788 A CN201510399788 A CN 201510399788A CN 104989654 B CN104989654 B CN 104989654B
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Abstract
The invention relates to an oil-free rotary vane vacuum type self-priming centrifugal pump and a use method thereof. The oil-free rotary vane vacuum type self-priming centrifugal pump comprises a self-priming centrifugal pump body; a gas-liquid separation chamber, a liquid inlet pipe and a liquid discharging pipe are arranged on the self-priming centrifugal pump body; a first one-way valve is arranged on the liquid discharging pipe; a vacuum pump is integrated inside the gas-liquid separation chamber and integrated with the self-priming centrifugal pump body; the vacuum pump is an oil-free rotary vane vacuum pump and is provided with an inlet and an outlet; the inlet is communicated with the liquid inlet pipe through a suction pipeline; the outlet is communicated with the first one-way valve through an exhaust pipeline; a second one-way valve is arranged on the suction pipeline; the exhaust pipeline is provided with a third one-way valve and an electromagnetic valve; the third one-way valve is close to the first one-way valve; a liquid level switch is arranged on the liquid inlet pipe; the height of the liquid level switch on the liquid inlet pipe is lower than that of the suction pipeline; the liquid level switch is electrically connected with the vacuum pump and the electromagnetic valve. The pipeline system is simplified, the self-priming performance of the pump is improved, and the oil-free rotary vane vacuum type self-priming centrifugal pump has the advantages of being compact in structure, high in efficiency, long in service life and the like.
Description
Technical field
The invention belongs to self-absorption centrifugal pump technical field, more particularly to a kind of oil-free blade vacuum type self-priming centrifugal pump and its
Using method.
Background technology
It is well known that the general self-absorption centrifugal efficiency of pump is low, self-priming time length, self-priming performance are poor, be not suitable for feed liquor caliber greatly,
Pipeline length, the operating mode of High aititude.In addition present use on the market must compare many self priming centrifugal pumps by vacuum plant three
Kind：The first is the sliding vane rotary vacuum pump pattern of tyre drip lubrication, is for second the piston pump pattern of tyre oil-free lubrication, the 3rd
It is embedded water ring vacuum pump pattern to plant.The sliding vane rotary vacuum pump pattern of the first tyre drip lubrication needs Jing often to add lubricating oil,
Vacuum pump exhaust port cannot be arranged on self priming pump drain pipe road, and environment is adversely affected.Second tyre oil-free lubrication
Piston pump pattern volume is big, takes up room, and medium has a negative impact into after piston pump housing to cavity.The third embedded water
Ring vacuum pump pattern self-priming performance is poorer than first two, and during normal work, water ring vacuum pump continues to work, and efficiency is low, more uncomfortable
Close high altitude environment.
Therefore, prior art is further improved.
The content of the invention
The technical problem to be solved is, there is provided a kind of oil-free blade vacuum type self-priming centrifugal pump and its use
Method, vavuum pump is integrated in the gas-liquid separation room of the self-priming centrifugal pump pump housing, whole device compact conformation, efficiency high, medium
Environment is not affected, the ability for possessing long pipe road self-priming and pumped (conveying) medium, while being adapted to high altitude environment.
The present invention is achieved in that a kind of oil-free blade vacuum type self-priming centrifugal pump of offer, including self-priming centrifugal pump pump
Body, is provided with gas-liquid separation chamber, feed tube and drain pipe on the self-priming centrifugal pump pump housing, in feed tube and the port of drain pipe
Place is respectively equipped with inlet and liquid outlet, and liquid medium is entered after the self-priming centrifugal pump pump housing from inlet and flowed out from liquid outlet,
Drain pipe is provided with the first check valve, and in gas-liquid separation room vavuum pump is integrated with, integrated with the self-priming centrifugal pump pump housing, vacuum
Pump is oil-free sliding vane rotary vacuum pump, and vavuum pump is provided with import and outlet, and import is connected by suction line with feed tube, outlet
It is connected with the first check valve by gas exhaust piping；The second check valve is provided with suction line, is provided with gas exhaust piping
Three check valves and magnetic valve, the 3rd check valve is near the first check valve；Liquid-level switch is additionally provided with feed tube, liquid level is opened
The height closed on feed tube is less than suction line, and liquid-level switch is electrically connected respectively with vavuum pump and magnetic valve.
Further, self-priming centrifugal pump is furnished with Power Drive Unit, and Power Drive Unit drives self-priming by its output shaft
Centrifugal pump body operates, and belt drive component is provided with output shaft, and vavuum pump is provided with rotor, and belt drive component is by turning
The dynamic vavuum pump operating of subband, is provided with electromagnetic clutch on one end of rotor, and liquid-level switch is controlled respectively by liquid level signal
The opening and closing of electromagnetic clutch and magnetic valve.
Further, vavuum pump is additionally provided with the integrated pump housing, slide plate and vacuum pump cover, the integrated pump housing and self-absorption centrifugal
Pump pump housing integrally connected, vacuum pump cover is separately positioned on the front-end and back-end of the integrated pump housing, and slide plate is arranged on the integrated pump housing
It is interior.
Further, the self-priming centrifugal pump pump housing is connected by connector with Power Drive Unit, in self-priming centrifugal pump pump
Impeller is provided with vivo, and impeller is fixed on the output shaft of Power Drive Unit by locking nut.
Further, belt drive component includes the driving wheel being arranged on output shaft, the driven pulley being arranged on rotor
And belt.
Further, Power Drive Unit is Diesel engine.
Further, impeller central of the center of feed tube higher than self-priming centrifugal pump.
Present invention additionally comprises a kind of using method of above-mentioned oil-free blade vacuum type self-priming centrifugal pump, including following step
Suddenly：First, when just starting working, electromagnetic clutch adhesive, magnetic valve is opened, and self-priming centrifugal pump and vavuum pump run simultaneously；
Work initial stage, self-priming centrifugal pump and vavuum pump are together by the self-priming centrifugal pump pump housing and the air of feed tube is discharged to out liquid
Pipe；After feed tube reaches certain vacuum degree, the first check valve on drain pipe is closed automatically, and the gas of feed tube is by vavuum pump
It is discharged fast into drain pipe；Second, liquid medium is sucked in the self-priming centrifugal pump pump housing pump housing by vavuum pump, when liquid medium touching
During liquid-level switch, liquid-level switch action, magnetic valve valve is closed and electromagnetic clutch is separated, and vavuum pump is out of service, self-priming
Complete；3rd, self-priming centrifugal pump runs well.
Compared with prior art, oil-free blade vacuum type self-priming centrifugal pump of the invention and its using method, are being sucked away from certainly
Integrally disposed vavuum pump in the gas-liquid separation room of the heart pump pump housing, vavuum pump and self priming centrifugal pump start simultaneously, by feed tube with
And the air in self-priming centrifugal pump is discharged to drain pipe, liquid medium is set quickly to be inhaled in the pump housing.When self-priming is completed, vacuum
Pump is automatically stopped operation, and self priming centrifugal pump normal work improves the operating efficiency of whole system, both simplified pipe-line system,
Condition of work is improved again, the self-priming performance of self-priming centrifugal pump is substantially increased, self-priming time is shortened, while being suitable for plateau
Environment is used, and fundamentally solves a centrifugal pump self-priming difficult problem for high altitude localities.The present invention also has compact conformation, operation side
Just, operate steadily, safeguard easily, efficiency high, life-span length the advantages of.
Description of the drawings
Fig. 1 is the schematic perspective view of a preferred embodiment of the present invention；
Fig. 2 is the schematic perspective view of another angles of Fig. 1；
Fig. 3 is the broken section floor map of the present invention；
Fig. 4 is the schematic diagram of the present invention.
Specific embodiment
In order that the technical problem to be solved, technical scheme and beneficial effect become more apparent, below tie
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Referring to shown in Fig. 1, Fig. 2 and Fig. 3, the preferable reality of the oil-free blade vacuum type self-priming centrifugal pump of the present invention
Example, including the self-priming centrifugal pump pump housing 1 and Power Drive Unit 12 are applied, the self-priming centrifugal pump pump housing 1 is by connector 16 and power
Driving means 12 are connected.
Gas-liquid separation chamber, feed tube 2 and drain pipe 3 are provided with the self-priming centrifugal pump pump housing 1.In feed tube 2 and go out
The port of liquid pipe 3 is respectively equipped with inlet 17 and liquid outlet 18, and liquid medium enters the self-priming centrifugal pump pump housing 1 from inlet 17
Flow out from liquid outlet 18 afterwards.The first check valve 4 is provided with drain pipe 3.Vavuum pump 5 is integrated with gas-liquid separation room, with oneself
Inhale centrifugal pump body integration, compact conformation.And the liquid medium flowed in the gas-liquid separation room of self-priming centrifugal pump can drop
The operating temperature of roughing pump 5, improves the equipment job stability and reliability of the present invention.
Vavuum pump 5 is oil-free sliding vane rotary vacuum pump.Without the need for the media such as oil, water lubrication when vavuum pump 5 works, can directly drive i.e.
Self-priming can be completed；Even if there is medium to nor affect on suction in oil-free rotary-vane vaccum pump, can into the medium in vavuum pump 5
Directly it is discharged in drain pipe 3 by gas exhaust piping 7.
Vavuum pump 5 is provided with import and outlet, and import is connected by suction line 6 with feed tube 2, and outlet is by exhaust
Pipeline 7 is connected with the first check valve 4.The working media avoided into vavuum pump 5 is drained into pollutant atmosphere in air.
The second check valve 8 is provided with suction line 6.In the presence of the second check valve 8, the air in suction line 6 can only be unidirectional
Flow from feed tube 2 to the import direction of vavuum pump 5 on ground.The 3rd check valve 9 and magnetic valve 10 are provided with gas exhaust piping 7,
3rd check valve 9 is near the first check valve 4.In the presence of the 3rd check valve 9, the air in gas exhaust piping 7 can only be uniaxially
Flowed from the outlet of vavuum pump 5 to the direction of drain pipe 3.
Liquid-level switch 11 is additionally provided with feed tube 2.Liquid-level switch 11 is located at the front of suction line 6, and in feed liquor
Height on pipe 2 is less than suction line 6.Liquid-level switch 11 passes through to electrically connect with vavuum pump 5 and magnetic valve 10 respectively.Liquid level is opened
Closing 11 can be opened and closed vavuum pump 5 and magnetic valve 10 by liquid level signal.
Higher than the impeller central of self-priming centrifugal pump 1, the inlet of self-priming centrifugal pump 1 is in that " S " type is curved at the center of feed tube 3
Head.
The self priming centrifugal pump 1 of the present invention is furnished with Power Drive Unit 12, and Power Drive Unit 12 is driven by its output shaft
The pump housing of dynamic self-priming centrifugal pump 1 operates.In the present embodiment, belt transmission group is provided with the output shaft of Power Drive Unit 12
Part 13.Vavuum pump 5 is provided with rotor 54, and belt drive component 13 drives vavuum pump 5 to operate by rotor 54.In one end of rotor 54
On be provided with electromagnetic clutch 14.Liquid-level switch 11 controls respectively electromagnetic clutch 14 and magnetic valve 10 by liquid level signal
Opening and closing.
Vavuum pump 5 is additionally provided with the integrated pump housing 51, slide plate 52 and vacuum pump cover 53.The integrated pump housing 51 and self-absorption centrifugal
The integrally connected of the pump pump housing 1, vacuum pump cover 53 is separately positioned on the front-end and back-end of the integrated pump housing 51, and slide plate 52 is arranged on one
Change in the pump housing 51.
Impeller 101 is provided with the self-priming centrifugal pump pump housing 1, impeller 101 is fixed on power drive dress by locking nut 102
Put on 12 output shaft 121.Belt drive component 13 includes the driving wheel 131 being arranged on output shaft 121, is arranged on rotor 53
On driven pulley 132 and belt 133.
Power Drive Unit 12 is diesel-driven generator, can be arranged on same framework with self-priming centrifugal pump 1, is easy to carry,
Suitable for the occasion of non-transformer supply.In order to meet the electric power needs of the present embodiment control system, the present embodiment is also equipped with electric power storage
Pond.It is appreciated that Power Drive Unit 12 can also be motor or hydraulic motor equal power device, also should be in the guarantor of the present invention
In the range of shield.Vavuum pump 5 can also be without being directly driven by a motor by belt drive component 13.
When the air in feed tube 2 is discharged by vavuum pump 5, the vacuum of feed tube 2 gradually increases, and liquid medium is inhaled
Enter in the self-priming centrifugal pump pump housing 1.When liquid medium flows through liquid-level switch 11, the action of liquid-level switch 11 so that electromagnetic clutch
Device 14 and the action of magnetic valve 10.Electromagnetic clutch 14 with separate with Power Drive Unit 12, vavuum pump 5 shuts down, electromagnetism
Valve 10 closes gas exhaust piping, and the self-priming process of the self-priming centrifugal pump pump housing 1 is completed, and starts normal work.Second check valve 8 is closed therewith
Close, the liquid medium for preventing feed tube 2 is flowed in vavuum pump 5.
After self-priming centrifugal pump 1 normal work of the pump housing, liquid medium Jing drain pipes 3 are discharged.Now, the 3rd check valve 9 is prevented
Only liquid medium is from the inflow vavuum pump 5 of drain pipe 3.In the present embodiment, magnetic valve 10 belongs to normally closed switch, its setting pressure
Medium pressure liquid of the power more than drain pipe 3.Because the signalizing activity of liquid-level switch 11 closes the power supply of magnetic valve 10, magnetic valve
10 close at once.In the presence of magnetic valve 10, the liquid medium for further preventing drain pipe 3 pours in down a chimney in vavuum pump 5 and shadow
Ring normal system work.
Refer to shown in Fig. 3, the oil-free blade vacuum type self-priming centrifugal pump operation principle of the present invention is as follows：Power drive is filled
Put 12 drives the self-priming centrifugal pump pump housing 1 and vavuum pump 5, liquid medium to enter the self-priming centrifugal pump pump housing 1 again from feed tube 2 simultaneously
Discharge from drain pipe 3.Liquid-level switch 11 and suction line 6, the row of being connected with drain pipe 3 are connected on feed tube 2
Air pipe 7.The second check valve 8 is provided with suction line 6, suction line 6 is connected to the import of vavuum pump 5.In blast pipe
The 3rd check valve 9 and magnetic valve 10 are provided with road 7, magnetic valve 10 is near the first check valve 4.Liquid-level switch 11 is by control
Device 15 controls respectively the opening and closing of electromagnetic clutch 14 and magnetic valve 10.Air in feed tube 2 is drawn into very from suction line 6
Empty pump 5, then Jing gas exhaust pipings 7 discharge from drain pipe 3.
The using method of the oil-free blade vacuum type self-priming centrifugal pump of the present invention, comprises the steps：First, just start work
When making, the adhesive of electromagnetic clutch 14, magnetic valve 10 is opened, and self-priming centrifugal pump 1 and vavuum pump 5 run simultaneously；At the work initial stage, oneself
Heart pump 1 and vavuum pump 5 are sucked away from together by the pump housing of self-priming centrifugal pump 1 and the air of feed tube 2 is discharged to drain pipe 3；When entering
Liquid pipe 2 is reached after certain vacuum degree, and the first check valve 4 on drain pipe 3 is closed automatically, and the gas of feed tube 2 is fast by vavuum pump 5
Speed is discharged to drain pipe 3；Second, liquid medium is sucked in the pump housing of the self-priming centrifugal pump pump housing 1 by vavuum pump 5, when liquid medium is touched
When touching liquid-level switch 11, the action of liquid-level switch 11, the valve of magnetic valve 10 is closed and electromagnetic clutch 14 is separated, and vavuum pump 5 stops
Only run, self-priming is completed；3rd, self-priming centrifugal pump 1 runs well.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of oil-free blade vacuum type self-priming centrifugal pump, including the self-priming centrifugal pump pump housing, on the self-priming centrifugal pump pump housing
Gas-liquid separation chamber, feed tube and drain pipe are provided with, in the port of the feed tube and drain pipe inlet is respectively equipped with
And liquid outlet, liquid medium from inlet enter the self-priming centrifugal pump pump housing after from liquid outlet flow out, be provided with the drain pipe
First check valve, it is characterised in that be integrated with vavuum pump in the gas-liquid separation room, it is integrated with the self-priming centrifugal pump pump housing,
The vavuum pump is oil-free sliding vane rotary vacuum pump, and the vavuum pump is provided with import and outlet, the import by suction line with
Feed tube is connected, and the outlet is connected by gas exhaust piping with the first check valve；Second is provided with the suction line
Check valve, is provided with the 3rd check valve and magnetic valve on the gas exhaust piping, and the 3rd check valve is near the first check valve；
Liquid-level switch is additionally provided with the feed tube, height of the liquid-level switch on feed tube is less than suction line, described
Liquid-level switch is electrically connected respectively with vavuum pump and magnetic valve.
2. oil-free blade vacuum type self-priming centrifugal pump as claimed in claim 1, it is characterised in that the self-priming centrifugal pump is furnished with
Power Drive Unit, the Power Drive Unit drives the operating of the self-priming centrifugal pump pump housing by its output shaft, in the output shaft
On be provided with belt drive component, the vavuum pump is provided with rotor, and the belt drive component drives vavuum pump fortune by rotor
Turn, be provided with electromagnetic clutch on one end of the rotor, the liquid-level switch by liquid level signal control respectively electromagnetism from
The opening and closing of clutch and magnetic valve.
3. oil-free blade vacuum type self-priming centrifugal pump as claimed in claim 2, it is characterised in that the vavuum pump is additionally provided with
The body pump housing, slide plate and vacuum pump cover, the integrated pump housing and self-priming centrifugal pump pump housing integrally connected, the vacuum pump cover
The front-end and back-end of the integrated pump housing are separately positioned on, the slide plate is arranged in the integrated pump housing.
4. oil-free blade vacuum type self-priming centrifugal pump as claimed in claim 2, it is characterised in that the self-priming centrifugal pump pump housing
It is connected with Power Drive Unit by connector, impeller is provided with the self-priming centrifugal pump pump housing, the impeller is by lock
Tight nut is fixed on the output shaft of Power Drive Unit.
5. oil-free blade vacuum type self-priming centrifugal pump as claimed in claim 2, it is characterised in that the belt drive component bag
Include the driving wheel being arranged on output shaft, the driven pulley being arranged on rotor and belt.
6. oil-free blade vacuum type self-priming centrifugal pump as claimed in claim 2, it is characterised in that the Power Drive Unit is
Diesel engine.
7. oil-free blade vacuum type self-priming centrifugal pump as claimed in claim 1, it is characterised in that the center of the feed tube is high
In the impeller central of self-priming centrifugal pump.
8. the using method of oil-free blade vacuum type self-priming centrifugal pump as claimed in claim 2, it is characterised in that including as follows
Step：First, when just starting working, electromagnetic clutch adhesive, magnetic valve is opened, and self-priming centrifugal pump and vavuum pump run simultaneously；
At the work initial stage, self-priming centrifugal pump and vavuum pump are together by the self-priming centrifugal pump pump housing and the air of feed tube is discharged to out liquid
Pipe；After feed tube reaches certain vacuum degree, the first check valve on drain pipe is closed automatically, and the gas of feed tube is by vavuum pump
It is discharged fast into drain pipe；Second, liquid medium is sucked in the self-priming centrifugal pump pump housing pump housing by vavuum pump, when liquid medium touching
During liquid-level switch, liquid-level switch action, magnetic valve valve is closed and electromagnetic clutch is separated, and vavuum pump is out of service, self-priming
Complete；3rd, self-priming centrifugal pump runs well.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510399788.2A CN104989654B (en) | 2015-07-10 | 2015-07-10 | Oil-free rotary vane vacuum type self-priming centrifugal pump and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399788.2A CN104989654B (en) | 2015-07-10 | 2015-07-10 | Oil-free rotary vane vacuum type self-priming centrifugal pump and use method thereof |
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| CN104989654A CN104989654A (en) | 2015-10-21 |
| CN104989654B true CN104989654B (en) | 2017-05-10 |
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| CN113530838B (en) * | 2021-08-13 | 2023-07-14 | 浙江东航消防泵业有限公司 | Water pump with self-priming device |
| CN115434918A (en) * | 2022-08-26 | 2022-12-06 | 上海齐耀动力技术有限公司 | A miniaturized self-priming centrifugal pump and its operating method |
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