CN206694257U - It is a kind of that there is the water-ring vacuum pump for reducing sealing coolant-temperature gage - Google Patents
It is a kind of that there is the water-ring vacuum pump for reducing sealing coolant-temperature gage Download PDFInfo
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- CN206694257U CN206694257U CN201720459064.7U CN201720459064U CN206694257U CN 206694257 U CN206694257 U CN 206694257U CN 201720459064 U CN201720459064 U CN 201720459064U CN 206694257 U CN206694257 U CN 206694257U
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- cooler
- cooled medium
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Abstract
The utility model discloses a kind of water-ring vacuum pump for having and reducing sealing coolant-temperature gage, including vavuum pump body, vavuum pump body to be provided with discharge outlet and water inlet, in addition to cooler and coupled refrigeration machine, cooler are also connected with vavuum pump body.The utility model can effectively reduce the temperature of water ring pump inner sealing water, it is again convenient that the equipment such as cooler, vavuum pump body are cleared up and repaired, cost-effective work can also be cooled down, so as to further improve the overall operating efficiency of water ring pump.
Description
Technical field
Field of vacuum is the utility model is related to, more specifically to a kind of water ring for having and reducing sealing coolant-temperature gage
Formula vavuum pump.
Background technology
Water ring vacuum pump (abbreviation water ring pump) is a kind of rough vacuum pump, it can be obtained end vacuum for 2000~
4000Pa, series connection vacuum pump is up to 270~670Pa.Water ring pump also is used as compressor, referred to as liquid piston compressor, is
Belong to the compressor of low pressure, its pressure limit is 1~2 × 105Pa meter pressures.
In industrial many technical process, such as vacuum filter, vacuum water diversion, vacuum feeding, vacuum evaporation, vacuum
Concentration, vacuum conditioning and vacuum outgas etc., water ring pump is widely used.Due to developing by leaps and bounds for vacuum application technology, water
Ring pump is valued by the people always in terms of black vacuum acquisition.Because gas compression is isothermal in water ring pump, therefore can extract easily
Combustion, explosive gas, can additionally extract dust-laden, aqueous gas, and therefore, water ring pump is using increasing.
But common water-ring vacuum pump often occurs its internal sealing coolant-temperature gage and surpassed when summer condition is run
Mark, vacuum efficiency of pump quickening impeller cavitation can be influenceed after sealing coolant-temperature gage is exceeded, and (cavitation is to work as the liquid local pressure in runner
When dropping to critical pressure, gas core grows into steam bubble in liquid, the accumulation of steam bubble, flowing, divides, the general name for the process that crumbles and fall), when
Impeller can only be changed after serious cavitation occurs, and the cost of overhaul is again higher, adds business administration cost.
Utility model content
For drawbacks described above present in prior art, the purpose of this utility model is to provide a kind of with reduction sealing water
The water-ring vacuum pump of temperature, the temperature of water ring pump inner sealing water can be effectively reduced, prevents impeller from cavitation phenomenons occur, increased
The service life of impeller is added, so as to improve the operating efficiency of water ring pump.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of water-ring vacuum pump with reduction sealing coolant-temperature gage, including vavuum pump body, vavuum pump body are provided with
Discharge outlet and water inlet, in addition to cooler and coupled refrigeration machine, cooler are also connected with vavuum pump body；
The cooler is provided with cooling water inlet, coolant outlet, cooled medium entrance, cooled medium first and gone out
Mouthful, cooled medium second outlet and cooled medium general export, cooling water inlet and coolant outlet respectively with refrigeration machine phase
Even, connecting and cooling water caused by circulating refrigerator, make cooler built with recirculated cooling water, be cooled medium entrance with
Discharge outlet on vavuum pump body is communicated, and the first pipeline and second pipe are provided with cooler, and the first pipeline is located in cooling water,
And connected with cooled medium first outlet, second pipe is located at the top of cooling water, and connects with cooled medium second outlet
Logical, cooled medium first outlet is connected with one end of cooled medium second outlet with cooled medium general export, and
A temperature-sensing valve is provided with junction, cooling medium first outlet is gone out with cooled medium second outlet by cooled medium second
Mouthful connected with the water inlet on vavuum pump body, the other end of cooling medium first outlet and cooled medium second outlet with
Cooled medium entrance is connected, by the intrinsic sealing coolant-temperature gage of temperature control valve unit monitoring vavuum pump, when sealing coolant-temperature gage is higher
When, the cooled medium second outlet of temperature-sensing valve control is closed, and makes the water inlet on vavuum pump body, be cooled medium first outlet
Connected between cooled medium general export, obtain cooling in intrinsic cooling water of the sealing water in cooler of vavuum pump cold
But, when sealing coolant-temperature gage is in normal temperature, the cooled medium first outlet of temperature-sensing valve control is closed, and is made on vavuum pump body
Water inlet, it is cooled connected between medium second outlet and cooled medium general export, the intrinsic sealing water of vavuum pump without
The cooling water in cooler need to be passed through.
Cavitation protection pipe is additionally provided with described vavuum pump body.
Described cooler is panel cooler.
Described panel cooler is detachable panel cooler.
Detachable cover plate is additionally provided with described vavuum pump body.
Damping base is additionally provided with, vavuum pump body is on damping base.
In above-mentioned technical scheme, a kind of liquid-ring type that there is reduction to seal coolant-temperature gage provided by the utility model is true
Empty pump, the temperature of water ring pump inner sealing water can be effectively reduced, and conveniently the equipment such as cooler, vavuum pump body be carried out clear
Reason and maintenance, moreover it is possible to it is cost-effective to cool down work, so as to further improve the overall work effect of water ring pump
Rate.
Brief description of the drawings
Fig. 1 is attachment structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of the utility model intermediate pump body；
Fig. 3 is the structural representation of cooler in the utility model.
Embodiment
The technical solution of the utility model is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 1 to Fig. 3, a kind of liquid-ring type that there is reduction to seal coolant-temperature gage provided by the utility model is true
Empty pump, including vavuum pump body 1, vavuum pump body 1 are provided with discharge outlet 2 and water inlet 3, in addition to cooler 4 and and its
Connected refrigeration machine 5, cooler 4 are also connected with vavuum pump body 1, and cooling water is followed in cooler 4 caused by refrigeration machine 5
Ring, and the sealing water in vavuum pump body 1 is introduced in cooler 4, by the recirculated cooling water in cooler 4 to sealing water
Cooling down is carried out, prevents that sealing water pressure drops to critical pressure, and cavitation phenomenons is produced to impeller.
Preferably, the cooler 4 is provided with cooling water inlet 6, coolant outlet 7, cooled medium entrance 8, cold
But medium first outlet 9, cooled medium second outlet 10 and cooled medium general export 11.
Cooling water inlet 6 and coolant outlet 7 are connected with refrigeration machine 5 respectively, to connect and circulating refrigerator 5 produces
Cooling water, make cooler 4 built with recirculated cooling water, be cooled medium entrance 8 and the phase of discharge outlet 2 on vavuum pump body 1
Connection, enables the sealing water in vavuum pump body 1 to circulate and flow in cooler 4.
The first pipeline and second pipe are provided with the cooler 4, by the first Pipe installing cooling water, and with being cooled
Medium first outlet 9 connects, and after sealing current are passed in the first pipeline, can be cooled water cooling down, will be via cooled
Medium first outlet 9 is flow back into vavuum pump body 1.
And second pipe be located at cooling water top (not residing in cooling water), and with cooled medium second outlet 10
Connection, when sealing water need not cool down, after being circulated in second pipe, directly flowed back to via cooled medium second outlet 10
To vavuum pump body 1.
One end of cooled medium first outlet 9 and cooled medium second outlet 10 with cooled medium general export 11
It is connected, is connected by cooled medium general export 11 with the water inlet 3 on vavuum pump body 1, and set in the junction of three
There is a temperature-sensing valve 12, the other end of cooling medium first outlet 9 and cooled medium second outlet 10 enters with cooled medium
Mouth 8 is connected, and monitors the sealing coolant-temperature gage in vavuum pump body 1 in real time by temperature-sensing valve 12, when sealing coolant-temperature gage is higher (
During for beyond temperature value set by temperature-sensing valve 12), the cooled medium second outlet 10 of the control of temperature-sensing valve 12 is closed, as vacuum
It is connected between water inlet 3, cooled medium first outlet 9 and the cooled three of medium general export 11 on pump body 1, also
Be after the sealing current for saying in vavuum pump body 1 are passed in the first pipeline obtain cooling in the cooling water in cooler 4 it is cold
But, flow back into via cooled medium first outlet 9 in vavuum pump body 1, such circulation temperature lowering seals water, makes it in vavuum pump
Temperature in body 1 is controlled.
When sealing coolant-temperature gage is in normal temperature, the cooled medium first outlet 9 of the control of temperature-sensing valve 12 is closed, and is true
Connected between water inlet 3, cooled medium second outlet 10 and the cooled three of medium general export 11 on empty pump body 1,
That is the sealing water in vavuum pump body 1 by the cooling water in cooler 4, sealing current without being passed in second pipe
Afterwards, directly flow back into via cooled medium second outlet 10 in vavuum pump body 1.
Preferably, cavitation protection pipe 13 is additionally provided with described vavuum pump body 1, if in work is run, cooler 4
Break down, and scene is without staff, caused bubble makes vapour in compression process during cavitation in vavuum pump body 1
Erosion protection pipe 13 ruptures, and such vavuum pump body 1 can directly be introduced from outside into the higher on-condensible gas of pressure, can supplement in time
The space occurred by bubbles burst, so can infringement of the decreasing cavitation to water ring pump significantly, and cavitation can also be reduced and drawn
The noise risen and vibration.
Preferably, described cooler 4 selects detachable panel cooler, it is easy to being cleaned inside cooler 4,
Or cold of the plate of its inside is changed, repaired.
Preferably, being additionally provided with detachable cover plate 14 on described vavuum pump body 1, tearing open to vavuum pump body 1 can be facilitated
Unload, can also conveniently change, clear up and repair the impeller in the pump housing or the part of other damages, greatly improve
Operating efficiency, and dismountable cover plate 14 can also set transparent shape, at one's leisure when observe feelings inside vavuum pump body 1
Condition, the dirt on timely cleaning member.
Preferably, being additionally provided with damping base 15, vavuum pump body 1 plays slowing down vibration on damping base 15, reduces
The effect of noise.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as to restriction of the present utility model, as long as in spirit of the present utility model, to described above
Change, the modification of embodiment will all fall in Claims scope of the present utility model.
Claims (6)
1. a kind of have the water-ring vacuum pump for reducing sealing coolant-temperature gage, including vavuum pump body, vavuum pump body is provided with row
The mouth of a river and water inlet, it is characterised in that also including cooler and coupled refrigeration machine, cooler also with vavuum pump body
It is connected；
The cooler be provided with cooling water inlet, coolant outlet, cooled medium entrance, cooled medium first outlet,
Cooled medium second outlet and cooled medium general export, cooling water inlet and coolant outlet are connected with refrigeration machine respectively,
To connect and cooling water caused by circulating refrigerator, make cooler built with recirculated cooling water, be cooled medium entrance with it is true
Discharge outlet on empty pump body is communicated, and the first pipeline and second pipe are provided with cooler, and the first pipeline is located in cooling water, and
Being connected with cooled medium first outlet, second pipe is located at the top of cooling water, and is connected with cooled medium second outlet,
Cooled medium first outlet is connected with one end of cooled medium second outlet with cooled medium general export, and even
Meet place and be provided with a temperature-sensing valve, cooling medium first outlet and cooled medium second outlet by cooled medium second outlet and
Water inlet connection on vavuum pump body, the other end of cooling medium first outlet and cooled medium second outlet with it is cold
But medium entrance is connected, and passes through the intrinsic sealing coolant-temperature gage of temperature control valve unit monitoring vavuum pump, when sealing coolant-temperature gage is higher, temperature
The cooled medium second outlet of valve control is controlled to close, make water inlet on vavuum pump body, cooled medium first outlet and by
Being connected between cooling medium general export, the intrinsic sealing water of vavuum pump obtains cooling down in the cooling water in cooler,
When sealing coolant-temperature gage is in normal temperature, the cooled medium first outlet of temperature-sensing valve control is closed, and is made on vavuum pump body
Water inlet, be cooled connects between medium second outlet and cooled medium general export, and the intrinsic sealing water of vavuum pump need not
Pass through the cooling water in cooler.
2. a kind of water-ring vacuum pump with reduction sealing coolant-temperature gage as claimed in claim 1, it is characterised in that described
Cavitation protection pipe is additionally provided with vavuum pump body.
3. a kind of water-ring vacuum pump with reduction sealing coolant-temperature gage as claimed in claim 1, it is characterised in that described
Cooler is panel cooler.
4. a kind of water-ring vacuum pump with reduction sealing coolant-temperature gage as claimed in claim 3, it is characterised in that described
Panel cooler is detachable panel cooler.
5. a kind of water-ring vacuum pump with reduction sealing coolant-temperature gage as claimed in claim 1, it is characterised in that described
Detachable cover plate is additionally provided with vavuum pump body.
6. a kind of water-ring vacuum pump with reduction sealing coolant-temperature gage as claimed in claim 1, it is characterised in that be additionally provided with
Damping base, vavuum pump body is on damping base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459064.7U CN206694257U (en) | 2017-04-27 | 2017-04-27 | It is a kind of that there is the water-ring vacuum pump for reducing sealing coolant-temperature gage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459064.7U CN206694257U (en) | 2017-04-27 | 2017-04-27 | It is a kind of that there is the water-ring vacuum pump for reducing sealing coolant-temperature gage |
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| Publication Number | Publication Date |
|---|---|
| CN206694257U true CN206694257U (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720459064.7U Active CN206694257U (en) | 2017-04-27 | 2017-04-27 | It is a kind of that there is the water-ring vacuum pump for reducing sealing coolant-temperature gage |
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| CN (1) | CN206694257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799130A (en) * | 2017-04-27 | 2018-11-13 | 上海漕泾热电有限责任公司 | It is a kind of that there is the water-ring vacuum pump for reducing sealing coolant-temperature gage |
-
2017
- 2017-04-27 CN CN201720459064.7U patent/CN206694257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799130A (en) * | 2017-04-27 | 2018-11-13 | 上海漕泾热电有限责任公司 | It is a kind of that there is the water-ring vacuum pump for reducing sealing coolant-temperature gage |
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