CN106401904A - Water ring type vacuum injection pump - Google Patents
Water ring type vacuum injection pump Download PDFInfo
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- CN106401904A CN106401904A CN201510449334.1A CN201510449334A CN106401904A CN 106401904 A CN106401904 A CN 106401904A CN 201510449334 A CN201510449334 A CN 201510449334A CN 106401904 A CN106401904 A CN 106401904A
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- water
- pump housing
- pump
- water inlet
- pipe
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Abstract
The invention discloses a water ring type vacuum injection pump. The water ring type vacuum injection pump includes a pump body and impellers, wherein the impellers are arranged in the pump body; the water ring type vacuum injection pump further includes a vacuum pump air inlet pipe, an air inlet valve, a pressure gage, an injector, a heat exchanger, a water tank and a one-way valve; one ends of the vacuum pump air inlet pipe and the injector are connected to a reaction still to be pumped, and the other ends of the vacuum pump air inlet pipe and the injector are connected to an air inlet the pump body; the air inlet valve is arranged in the vacuum pump air inlet pipe; the pressure gage is arranged in the reaction still to be pumped; the water tank is connected to a water inlet of the pump body through the one-way valve; and a water outlet of the pump body is connected to the water tank through the heat exchanger. Compared with the prior art, the heat exchanger can cool water drained from the pump body, the pressure value of air entering the pump body is increased through a nozzle, cavitation can be prevented fundamentally, and then the vacuum degree of the reaction still to be pumped can be effectively improved.
Description
Technical field
The present invention relates to a kind of vacuum pump, more particularly, to a kind of liquid-ring type vacuum jet pump.
Background technology
Span is as a kind of sorbitan fatty acid ester, because it can be used as emulsifying agent, thickening agent and dispersant, demand in recent years
Amount increasing so that the processing technology of span also receives more and more attention.Make span typically by the liquid measuring
Sorbitol and fatty acid are put in reactor, and reactor is heated, and open water-ring vacuum pump simultaneously and take out reactor
Become vacuum；When being heated to uniform temperature under vacuum, liquid sorbitol will occur dehydration, esterification etc. in reactor
Serial reaction, finally just can obtain span finished product.Because span needs dehydration esterification in a vacuum, therefore reach for guaranteeing reactor
To the vacuum of demand, the selection of water-ring vacuum pump seems more and more important.
At present, conventional water-ring vacuum pump includes the pump housing, impeller, water tank, pump housing admission line.Described impeller is arranged on institute
State in the pump housing.The air inlet of the described pump housing passes through pump housing admission line and treats evacuation reactor and communicate.The water inlet of the described pump housing
Connected with the outlet of described water tank by the first pipeline, described discharge outlet is communicated with described water tank by the second pipeline, makes from pump
The internal current direction water tank discharged, then flow back in the pump housing from water tank, recycle water resource.Before starting vacuum pump, first to the pump housing
A certain amount of water of interior injection, makes the blade of impeller wheel portion soak in water；When wheel rotation, the blade on impeller rotates, and will carry
Dynamic water sport simultaneously forms rotation water ring, the inner surface of water ring and impeller hub surface, blade formation work loculus；Because impeller exists
During front half way around, work loculus volume changes from small to big formation vacuum, and then in the gas suction pump body making treat evacuation reactor；
In rear half way around, work loculus volume from large to small, and then makes the gas in the pump housing be compressed to impeller, and giving vent to anger from the pump housing
Mouth is discharged.
When water-ring vacuum pump works, it is that the water by the pump housing forms watertight seal ring, but, when vacuum pump works long hours,
Because friction is done manual work, the temperature of water will rise, and at impeller eye pressure low to a certain extent when, the aquiform stool in the pump housing understands vapour
Change and produce bubble；When at impeller eye, pressure continues to drop to water saturation vapour pressure, water ring will be in fluidized state, pump
Rate of air sucked in required will be reduced to zero；Enable the final vacuum that this pump reaches relatively low it is difficult to reach the higher vacuum of demand.And
And the bubble producing will enter higher-pressure region with impeller from low-pressure area, can drastically shrink, condense in higher-pressure region bubble, about
Water is taken up space rushing at Primordial Qi bubble with high speed, and produces the shock wave of high intensity, impacts impeller and the pump housing, makes an uproar
Sound causes vibrations, causes noise, affects working environment.Further, impeller and the pump housing are also easily occurred by impulsive force for a long time
, there is cavitation phenomenons in spot and crackle.
Content of the invention
The invention reside in overcome the shortcoming of prior art with not enough, provide that a kind of aspiration vacuum level is high, be prevented effectively from generation cavitation and
Do not affect the liquid-ring type vacuum jet pump of pump housing performance.
The present invention is achieved by the following technical solutions：A kind of liquid-ring type vacuum jet pump, including the pump housing and impeller, described leaf
Wheel is arranged in the described pump housing；Also include vacuum pump admission line, intake valve, pressure gauge, ejector, heat exchanger, water tank
And check valve；One end of described vacuum pump admission line and ejector respectively with treat evacuation reactor and be connected, the other end with described
The air inlet of the pump housing connects；Described intake valve is arranged in described vacuum pump admission line；Described pressure gauge is arranged on treats evacuation
In reactor；Described water tank is connected with the water inlet of this pump housing by described check valve；The discharge outlet of the described pump housing is handed over by this heat
Parallel operation is connected with described water tank.
Compared to prior art, the present invention passes through to arrange heat exchanger, the water discharged is cooled, then pass through in the pump housing
Nozzle increases the gas pressure value entering the pump housing, prevents the generation of cavitation, thus effectively improve treating evacuation reactor from root
Vacuum.
Further, described heat exchanger includes heat exchange cavity and heat exchanging pipe；Described heat exchanging pipe runs through heat exchange chamber
Body is simultaneously immersed in the liquid in heat exchange chamber body；Described heat exchanging pipe includes intake collector, water outlet collector and Duo Gen heat exchange
Pipe；One end of described many heat-exchange tubes is vertically connected with described water inlet collector respectively, and the other end is erected with described water outlet collector respectively
Direct-connected connect；Described water inlet collector is connected with the discharge outlet of the described pump housing, and described water outlet collector is connected with described water tank.
Further, described heat exchanger includes heat exchange cavity and heat exchanging pipe；Described heat exchanging pipe runs through heat exchange chamber
Body is simultaneously immersed in the liquid in heat exchange chamber body；Described heat exchanging pipe includes intake collector, water outlet collector and Duo Gen heat exchange
Pipe；One end of described many heat-exchange tubes is vertically connected with described water inlet collector respectively, and the other end is erected with described water outlet collector respectively
Direct-connected connect；Described water inlet collector is connected with the discharge outlet of the described pump housing, and described water outlet collector is connected with described water tank.Described heat is handed over
Parallel operation includes heat exchange cavity and heat exchanging pipe；Described heat exchanging pipe runs through heat exchange chamber body and is immersed in heat exchange chamber body
Liquid in；Described heat exchanging pipe includes intake collector, water outlet collector and Duo Gen heat-exchange tube；Described many heat-exchange tubes
One end is vertically connected with described water inlet collector respectively, and the other end is vertically connected with described water outlet collector respectively；Described water inlet collector with
The discharge outlet of the described pump housing connects, and described water outlet collector is connected with described water tank.
Further, described ejector includes air inlet pipe, atmosphere controlling valve and nozzle；Described air inlet pipe one end is with to treat evacuation anti-
Kettle is answered to connect, the other end is connected with described nozzle；Described atmosphere controlling valve is arranged on the side of air inlet pipe；Described nozzle with described
The water inlet of the pump housing connects；Described nozzle has the wide injection pipe in middle narrow rear and front end.
Further, also include level sensor and controller, described level sensor is arranged in the described pump housing, and will detect
Water level signal be sent to described controller, the signal that described controller transmits according to water level controller controls opening of described check valve
Close.
Further, also include a deafener, described deafener is arranged in the described pump housing.
In order to more fully understand and implement, describe the present invention below in conjunction with the accompanying drawings in detail.
Brief description
Fig. 1 is the structural representation of liquid-ring type vacuum jet pump 10 of the present invention.
Specific embodiment
Refer to Fig. 1, it is the structural representation of liquid-ring type vacuum jet pump 10 of the present invention.This liquid-ring type vacuum jet pump 10
Including the pump housing 11, impeller (not shown), vacuum pump admission line 12, intake valve 13, pressure gauge (not shown),
Ejector 14, heat exchanger 15, water tank 16 and check valve (not shown).
Described impeller is arranged in the described pump housing 11.The described pump housing 11 is provided with air inlet 111 and gas outlet 112.Described vacuum
One end of pump admission line 12 and ejector 14 respectively with treat evacuation reactor and be connected, the air inlet of the other end and the described pump housing 11
Mouth 111 connection.The described intake valve 13 of the described pump housing 11 is arranged in described vacuum pump admission line 12.Described pressure gauge sets
Put treating in evacuation reactor.Described water tank 16 is connected with the water inlet 112 of this pump housing 11 by described check valve, makes water
Water orientation in case 16 flows in the pump housing 11.The discharge outlet 113 of the described pump housing 11 passes through this heat exchanger 15 and described water tank
16 connect.
Described heat exchanger 15 includes heat exchange cavity 151 and heat exchanging pipe 152, and described heat exchanging pipe 152 penetration heat is handed over
Change cavity 151 and be immersed in the liquid in heat exchange cavity 151.Described heat exchanging pipe 152 include intake collector 1521,
Water outlet collector 1522 and Duo Gen heat-exchange tube 1523.One end of described many heat-exchange tubes 1523 respectively with described water inlet collector
1521 vertically connect, and the other end is vertically connected with described water outlet collector 1522 respectively.Described water inlet collector 1521 and the described pump housing
11 discharge outlet 113 connects, and described water outlet collector 1522 is connected with described water tank 16 so that the water discharged from the pump housing 11 is from entering
After water collector 1521 is assembled, then it is further separated into many heat-exchange tubes 1523；Many heat-exchange tubes 1523 of setting, it is possible to increase cooling
Area is so that the water in heat-exchange tube 1523 is able to fast cooling cooling, and is flowed into described water tank 16 from water outlet collector 1522.
In the present embodiment, described water inlet collector 1521 include a main water inlet tube and at least two communicate with main water inlet tube and with lead
Water pipe is vertically connected with described main water inlet tube and water inlet isocon in the water inlet isocon of same level, described many heat-exchange tubes.
Corresponding, described water outlet collector include a primary flow pipe and at least two communicate with primary flow pipe and with primary flow pipe same
The water outlet collecting tubule of horizontal plane, described many heat-exchange tubes are vertically connected with described primary flow pipe and water outlet collecting tubule.The pump housing 11
Water flows into from the main water inlet tube of water inlet collector, is diverted to each isocon of intaking in the horizontal direction, in vertical direction, main water inlet tube
It is diverted to each heat-exchange tube with the water in water inlet isocon again and carry out cooling down；Water after cooling is through along heat-exchange tube
Flow to described water outlet collecting tubule and primary flow pipe, water set is flowed to primary flow pipe by water outlet collecting tubule again, after thus cooling
Water flows out from primary flow pipe.
Described ejector 14 includes air inlet pipe 141, atmosphere controlling valve 142 and nozzle 143；Described air inlet pipe 141 one end with treat
Evacuation reactor connects, and the other end is connected with described nozzle 143；Described atmosphere controlling valve 142 is arranged on air inlet pipe 141
Side；Described nozzle 143 is connected with the water inlet 112 of the described pump housing 11.Described nozzle 143 has middle narrow rear and front end width
Injection pipe.After the gas in evacuation reactor after front end flows into the intermediate conduit through nozzle 143, speed increases, pressure
Power increases, and is injected into nozzle 143 rear end pipeline；So that nozzle 143 front-end pipelines pressure is less than simultaneously and treat that evacuation is anti-
Answer the pressure value of kettle, ambient pressure, through atmosphere controlling valve 142 and air inlet pipe 141, flows through nozzle 143, and in nozzle 143 rear end
Pipeline is mutually mixed with from the air treating the extraction of evacuation reactor, and exchanges momentum, and adherence pressure is so that enter in the pump housing 11
Pressure be unlikely to too low, be prevented effectively from generation cavitation.
When the pump housing 11 quits work, for preventing the water in water tank 16 from constantly pouring into the pump housing 11 it is ensured that the water in the pump housing 11 is setting
Water level on, in the present embodiment, also include level sensor and controller (not shown).Described level sensor is arranged on
In the described pump housing 11, and the water level signal of detection is sent to described controller, described controller transmits according to water level controller
Signal controls the opening and closing of described check valve.Meanwhile, the pump housing pressure signal that described pressure gauge is connected with described controller and will obtain
It is sent to described controller；Described intake valve and atmosphere controlling valve are connected with described controller respectively, and described controller is according to pressure
The pump housing pressure signal of table transmission controls the opening and closing of intake valve and atmosphere controlling valve.
For the more preferable noise eliminating and producing during liquid-ring type airless injection pump work, also include a deafener, described deafener setting
In the described pump housing 11.
During use, water tank 16, to water flowing in the pump housing 11, reaches setting when level sensor detects the water level in the described pump housing 11
During value, this check valve of signal-off that described controller sends to according to level sensor, make the amount of the pump housing 11 memory storage setting
Water.Start the pump housing 11, wheel rotation, temperature rises the water in the pump housing 11 because friction is done manual work, and constantly from discharge outlet
113 are drained into into water collector 1521, then shunt in water inlet collector 1521, flow and lower the temperature cold in many heat-exchange tubes 153
But enter water tank 16 afterwards；The water entering in water tank 16 is back in the pump housing 11 from water inlet 112 through check valve, recycles.
Meanwhile, during wheel rotation, treat to form pressure differential between evacuation reactor and the described pump housing 11, treat the air of evacuation reactor
Enter in the pump housing 11 along vacuum pump air inlet pipe 141 road 12 and ejector 14, treat evacuation reaction when described gauge measurement arrives
When pressure in kettle reaches the pressure of setting, close intake valve 13, open atmosphere controlling valve 142；Treat the sky of evacuation reactor
Gas will enter in the pump housing 11 only along ejector 14, after evacuation reactor after ejector 14, be converted into elevated pressures
Gas enter the pump housing 11 in.
Compared to prior art, the present invention passes through to arrange heat exchanger, the water discharged is cooled, then pass through in the pump housing
Nozzle increases the gas pressure value entering the pump housing, prevents the generation of cavitation, thus effectively improve treating evacuation reactor from root
Vacuum.Further, by arranging many heat-exchange tubes, it is possible to increase film-cooled heat, improve cooling effectiveness.And pass through
Setting controller controls the aperture of check valve, need not open the pump housing, you can guarantee water in the pump housing on the water level setting it is ensured that
The pump housing is in optimal working condition.
The present invention does not limit to and above-mentioned embodiment, if the various changes to the present invention or deformation without departing from the present invention spirit
And scope, if within the scope of these are changed and deform claim and the equivalent technologies belonging to the present invention, then the present invention is also intended to
Comprise these to change and deform.
Claims (6)
1. a kind of liquid-ring type vacuum jet pump, including the pump housing and impeller, described impeller is arranged in the described pump housing；It is characterized in that：
Also include vacuum pump admission line, intake valve, pressure gauge, ejector, heat exchanger, water tank and check valve；Described true
One end of empty pump admission line and ejector respectively with treat evacuation reactor and be connected, the air inlet of the other end and the described pump housing
Connect；Described intake valve is arranged in described vacuum pump admission line；Described pressure gauge is arranged on to be treated in evacuation reactor；
Described water tank is connected with the water inlet of this pump housing by described check valve；The discharge outlet of the described pump housing pass through this heat exchanger with
Described water tank connects.
2. liquid-ring type vacuum jet pump according to claim 1 it is characterised in that：Described heat exchanger includes heat exchange cavity
And heat exchanging pipe；Described heat exchanging pipe runs through heat exchange chamber body and is immersed in the liquid in heat exchange chamber body；Described
Heat exchanging pipe includes intake collector, water outlet collector and Duo Gen heat-exchange tube；One end of described many heat-exchange tubes respectively with
Described water inlet collector vertically connects, and the other end is vertically connected with described water outlet collector respectively；Described water inlet collector and described pump
The discharge outlet of body connects, and described water outlet collector is connected with described water tank.
3. liquid-ring type vacuum jet pump according to claim 2 it is characterised in that：Described water inlet collector includes a main water inlet
Pipe and at least two communicate with main water inlet tube and with main water inlet tube same level water inlet isocon, described many heat friendships
Change pipe to be vertically connected with described main water inlet tube and water inlet isocon；Described water outlet collector includes a primary flow pipe and at least two
Root communicate with primary flow pipe and with primary flow pipe same level water outlet collecting tubule, described many heat-exchange tubes with described
Primary flow pipe and water outlet collecting tubule vertically connect.
4. the liquid-ring type vacuum jet pump according to claim 1-3 any claim it is characterised in that：Described ejector includes
Air inlet pipe, atmosphere controlling valve and nozzle；Described air inlet pipe one end with treat evacuation reactor and be connected, the other end and described spray
Mouth connects；Described atmosphere controlling valve is arranged on the side of air inlet pipe；Described nozzle is connected with the water inlet of the described pump housing；Institute
State nozzle and there is the wide injection pipe in middle narrow rear and front end.
5. the liquid-ring type vacuum jet pump according to claim 1-3 any claim it is characterised in that：Also include level sensor
Device and controller, described level sensor is arranged in the described pump housing, and the water level signal of detection is sent to described control
Device, described controller controls the opening and closing of described check valve according to the signal that water level controller transmits.
6. liquid-ring type vacuum jet pump according to claim 1 it is characterised in that：Also include a deafener, described deafener
It is arranged in the described pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510449334.1A CN106401904A (en) | 2015-07-28 | 2015-07-28 | Water ring type vacuum injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510449334.1A CN106401904A (en) | 2015-07-28 | 2015-07-28 | Water ring type vacuum injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106401904A true CN106401904A (en) | 2017-02-15 |
Family
ID=58009457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510449334.1A Pending CN106401904A (en) | 2015-07-28 | 2015-07-28 | Water ring type vacuum injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106401904A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303156A (en) * | 2018-02-22 | 2018-07-20 | 山东省医疗器械产品质量检验中心 | The venous samples collection container tester of arbitrary atmospheric pressure environments can be simulated |
| CN114810597A (en) * | 2022-05-11 | 2022-07-29 | 广东锦坤实业有限公司 | High-efficient vacuum system that freezes of fatty acid processing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306798A (en) * | 1997-05-08 | 1998-11-17 | Kowa Kikai:Kk | Vacuum pump cooling device |
| CN1482424A (en) * | 2002-09-14 | 2004-03-17 | ���ǵ�����ʽ���� | Heat exchanger |
| CN202718885U (en) * | 2012-08-14 | 2013-02-06 | 杭州新安江工业泵有限公司 | Tandem type water ring vacuum pump |
| CN103089663A (en) * | 2011-10-27 | 2013-05-08 | 南通龙鹰真空泵业有限公司 | Modified water ring vacuum pump |
| CN203098410U (en) * | 2013-03-04 | 2013-07-31 | 河南新天地药业股份有限公司 | Water-ring vacuum pump water circulation system |
| CN204921485U (en) * | 2015-07-09 | 2015-12-30 | 深圳市成德机械有限公司 | Air -cooled water ring vacuum unit |
-
2015
- 2015-07-28 CN CN201510449334.1A patent/CN106401904A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306798A (en) * | 1997-05-08 | 1998-11-17 | Kowa Kikai:Kk | Vacuum pump cooling device |
| CN1482424A (en) * | 2002-09-14 | 2004-03-17 | ���ǵ�����ʽ���� | Heat exchanger |
| CN103089663A (en) * | 2011-10-27 | 2013-05-08 | 南通龙鹰真空泵业有限公司 | Modified water ring vacuum pump |
| CN202718885U (en) * | 2012-08-14 | 2013-02-06 | 杭州新安江工业泵有限公司 | Tandem type water ring vacuum pump |
| CN203098410U (en) * | 2013-03-04 | 2013-07-31 | 河南新天地药业股份有限公司 | Water-ring vacuum pump water circulation system |
| CN204921485U (en) * | 2015-07-09 | 2015-12-30 | 深圳市成德机械有限公司 | Air -cooled water ring vacuum unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303156A (en) * | 2018-02-22 | 2018-07-20 | 山东省医疗器械产品质量检验中心 | The venous samples collection container tester of arbitrary atmospheric pressure environments can be simulated |
| CN114810597A (en) * | 2022-05-11 | 2022-07-29 | 广东锦坤实业有限公司 | High-efficient vacuum system that freezes of fatty acid processing |
| CN114810597B (en) * | 2022-05-11 | 2023-02-03 | 广东锦坤实业有限公司 | High-efficient vacuum system that freezes of fatty acid processing |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |