CN208281179U - A kind of liquid-ring vacuum pump - Google Patents
A kind of liquid-ring vacuum pump Download PDFInfo
- Publication number
- CN208281179U CN208281179U CN201820784779.4U CN201820784779U CN208281179U CN 208281179 U CN208281179 U CN 208281179U CN 201820784779 U CN201820784779 U CN 201820784779U CN 208281179 U CN208281179 U CN 208281179U
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- CN
- China
- Prior art keywords
- pump housing
- pump
- moisture trap
- outlet
- working solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Applications Or Details Of Rotary Compressors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of liquid-ring vacuum pump, and which solve the lower technical problems of existing liquid-ring vacuum pump operational efficiency and safety, is equipped with the pump housing, pump cover is equipped in front of the pump housing, pump cover is equipped with inlet opening；Pump body is equipped with impeller, and bearing is equipped at pump housing center, and bearing inner race is equipped with rotation axis, and the rotation axis other end is equipped with motor；Pump housing top opens up air inlet and exhaust outlet, and pump housing side is equipped with moisture trap, and exhaust outlet is connected to the separator inlet of moisture trap, and moisture trap top is equipped with separator exhaust outlet, and moisture trap bottom end is equipped with separator outlet；Moisture trap side is equipped with plate heat exchanger, plate heat exchanger top is equipped with working solution and exports and recycle water inlet, plate heat exchanger bottom end is equipped with working solution entrance and circulating water outlet, and the utility model can be widely used for the fields such as vacuum distillation, vacuum drying and water pump diversion.
Description
Technical field
The utility model relates to a kind of vacuum pumps, more particularly, to a kind of liquid-ring vacuum pump.
Background technique
Liquid-ring vacuum pump is mainly used for vacuum distillation, vacuum drying and water pump diversion etc., using water as main work
Make medium, gas pump drainage is carried out in a manner of isotherm compression, there is brilliant safety and reliability, since it has to dust not
The advantages that sensitive, sucking gas can be with entrained liquids or a large amount of vapor, in electric power, petrochemical industry, pharmacy, papermaking, aviation etc.
It is used widely in field.Vacuum pump will appear fouling in the pump housing in the long-term use process, and vacuum pump is caused frequently to occur
The case where excess load trips, influences the safety and economical operation of the pump housing, when overhauling liquid-ring vacuum pump, generallys use scale removal
Agent, hammer the means such as strike and carry out pumping indoor scale removal cleaning work, and the workload and equipment for increasing personnel are easily damaged, and are contracted significantly
The short service life of equipment.
Summary of the invention
The utility model technical problem lower aiming at existing liquid-ring vacuum pump operational efficiency and safety, provides
A kind of operational efficiency and the higher liquid-ring vacuum pump of safety.
For this purpose, the utility model is equipped with the pump housing, pump cover is equipped in front of the pump housing, pump cover is equipped with inlet opening；Pump body is set
There is impeller, bearing is equipped at pump housing center, bearing inner race is equipped with rotation axis, and the rotation axis other end is equipped with motor；It opens on pump housing top
If air inlet and exhaust outlet, pump housing side is equipped with moisture trap, and exhaust outlet is connected to the separator inlet of moisture trap, gas
Separator top is equipped with separator exhaust outlet, and moisture trap bottom end is equipped with separator outlet；Moisture trap side is equipped with
Plate heat exchanger, plate heat exchanger top are equipped with working solution and export and recycle water inlet, and plate heat exchanger bottom end is equipped with working solution
Recirculated water is accessed in entrance and circulating water outlet, recirculated water inlet, and working solution outlet is connected to inlet opening, and working solution inlet connects
Enter working solution；Cooling coil is equipped with inside moisture trap, cooling coil both ends pass through separator inlet respectively and separator goes out
Mouth is connected to circulation water inlet and circulating water outlet, separator outlet are connected to inlet opening.
Preferably, working solution is softened water.
Preferably, pedestal is equipped with below the pump housing.
Preferably, rotation axis bottom end is equipped with shaft packing room.
Preferably, soft graphite circle is equipped in shaft packing room.
Preferably, rotation axis is connected to motor by shaft coupling.
Preferably, pump cover is equipped with cavitation protection hole.
The utility model structure is simple, and the working solution using softened water as liquid-ring vacuum pump reduces the hard of working solution
Degree, since softening coolant-temperature gage is relatively high, if be directly entered in the pump housing, is easy to make to reduce the probability that fouling occurs in the pump housing
At vaporization phenomenon in the pump housing, therefore plate heat exchanger is set outside moisture trap, is being entered after reducing the temperature of softened water
The pump housing；In order to which working solution is recycled, cooling coil is set inside moisture trap, reduces the temperature of working solution；It is rotating
Shaft packing room is set at axis, using soft graphite circle as sealing material, makes pump body good seal, guarantees Pendular ring type vacuum
Pump safe and reliable operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic cross-sectional view of the pump housing；
Fig. 3 is the enlarged diagram of shaft packing room.
Symbol description in figure:
1. the pump housing；2. inlet opening；3. air entry；4. exhaust outlet；5. motor；6. rotation axis；7. bearing；8. shaft coupling；9.
Pump cover；10. pedestal；11. impeller；12. shaft packing room；13. moisture trap；14. separator inlet；15. separator outlet；
16. cooling coil；17. plate heat exchanger；18. working solution entrance；19. working solution exports；20. recycling water inlet；21. recirculated water
Outlet；22. separator exhaust outlet；23. cavitation protection hole；24. soft graphite circle；25. recirculated water；26. working solution.
Specific embodiment
Specific embodiment of the present utility model is described in detail with reference to the accompanying drawings.
As depicted in figs. 1 and 2, the utility model is equipped with the pump housing 1, and pedestal 10 is equipped with below the pump housing 1, is equipped with inside the pump housing 1
Impeller 11 is equipped with bearing 7 at 1 center of the pump housing, and 7 inner ring of bearing is equipped with rotation axis 6, and 6 other end of rotation axis is equipped with motor 5, rotation
Axis 6 is connect by shaft coupling 8 with motor 5, and motor 5 is rotated by 6 wheel rotor 11 of rotation axis, and closing is formed inside the pump housing 1
Water ring.
As shown in figure 3,6 bottom end of rotation axis is equipped with shaft packing room 12, it is equipped with soft graphite circle 24 in shaft packing room 12,
Keep 1 inner sealing of the pump housing good.
Pump cover 9 is equipped in front of the pump housing 1, pump cover 9 is equipped with inlet opening 2, and 1 top of the pump housing opens up air inlet 3 and exhaust outlet 4,
The side of the pump housing 1 is equipped with moisture trap 13, and the side of moisture trap 13 is equipped with plate heat exchanger 17, and plate heat exchanger 17 pushes up
End is equipped with working solution outlet 19 and circulation water inlet 20, and the bottom end of plate heat exchanger 17 is equipped with working solution entrance 18 and recirculated water goes out
Mouth 21 recycles and accesses recirculated water 25 at water inlet 20, and working solution outlet 19 is connected to inlet opening 2, accesses at working solution entrance 18
Working solution 26, working solution 26 are softened water, and recirculated water 25 is accessed in plate heat exchanger 17 and is cooled down to working solution 26, is recycled
Water 25 discharge (not shown) in specified water tank through circulating water outlet 21, working solution 26 after cooling from inlet opening 2 into
Enter to inside the pump housing 1, is used for the pump housing 1.
Exhaust outlet 4 is connected to the separator inlet 14 of moisture trap 13, and 13 top of moisture trap is arranged equipped with separator
Port 22,13 bottom end of moisture trap be equipped with separator outlet 15, the pump housing 1 be discharged working solution 26 by moisture trap 13 into
Row gas-water separation, gas are discharged from separator exhaust outlet 22；Cooling coil 16, cooling coil 16 are equipped with inside moisture trap 13
Both ends pass through the separator inlet 14 of moisture trap 13 respectively and separator outlet 15 is connected to circulation water inlet 20 and circulation
Water out 21 cools down 13 internal work liquid 26 of moisture trap using cooling coil 16, and separator outlet 15 is connected to
Inlet opening 2, working solution 26 after cooling are re-introduced into inside the pump housing 1 through water inlet 2, realize the recycling of working solution 26.
Pump cover 9 is equipped with cavitation protection hole 23, and the cavitation generated inside the pump housing 1 is discharged, in case long-play is easy
Damage liquid-ring vacuum pump.
When liquid-ring vacuum pump works, working solution 26 through working solution entrance 18 enter plate heat exchanger 17 it is cooling after, from
19 outflow of working solution outlet, enters inside the pump housing 1 through inlet opening 2, and working solution 26 is thrown to surrounding by the rotation of 1 inner impeller 11 of the pump housing
Pendular ring is formed, impeller 11 constantly rotates, and 1 internal gas of the pump housing is compressed, and working solution 26 is discharged from exhaust outlet 4, through separator
Entrance 14 enters moisture trap 13, and gas is discharged from separator exhaust outlet 22 in working solution 26, and working solution 26 is in air water point
From after cooling coil 16 is cooling, being re-introduced into inside the pump housing 1 from separator outlet 15 in device 13, following for working solution 26 is realized
Ring utilizes.
Only as described above, only specific embodiment of the utility model, when the utility model cannot be limited with this
The range of implementation, therefore the displacement of its equivalent assemblies, or according to equivalent changes and modifications made by the utility model patent protection scope,
It should still belong to the scope that the utility model claims book is covered.
Claims (7)
1. a kind of liquid-ring vacuum pump is equipped with the pump housing, pump cover is equipped in front of the pump housing, the pump cover is equipped with inlet opening；
The pump body is equipped with impeller, and bearing is equipped at the pump housing center, and the bearing inner race is equipped with rotation axis, the rotation axis
The other end is equipped with motor；The pump housing top opens up air inlet and exhaust outlet, and the pump housing side is equipped with moisture trap, described
Exhaust outlet is connected to the separator inlet of the moisture trap, and the moisture trap top is equipped with separator exhaust outlet, institute
Moisture trap bottom end is stated equipped with separator outlet, it is characterised in that:
The moisture trap side is equipped with plate heat exchanger, and the plate heat exchanger top is equipped with working solution outlet and recirculated water
Entrance, the plate heat exchanger bottom end are equipped with working solution entrance and circulating water outlet, and recirculated water is accessed in the recirculated water inlet,
The working solution outlet is connected to the inlet opening, and working solution is accessed in the working solution inlet；Inside the moisture trap
Equipped with cooling coil, the cooling coil both ends pass through the separator inlet respectively and the separator outlet be connected to it is described
Circulation water inlet and the circulating water outlet, the separator outlet are connected to the inlet opening.
2. liquid-ring vacuum pump according to claim 1, it is characterised in that the working solution is softened water.
3. liquid-ring vacuum pump according to claim 1, it is characterised in that be equipped with pedestal below the pump housing.
4. liquid-ring vacuum pump according to claim 1, it is characterised in that the rotation axis bottom end is equipped with shaft packing room.
5. liquid-ring vacuum pump according to claim 4, it is characterised in that be equipped with soft graphite in the shaft packing room
Circle.
6. liquid-ring vacuum pump according to claim 1, it is characterised in that the rotation axis passes through shaft coupling and the electricity
Machine connection.
7. liquid-ring vacuum pump according to claim 1, it is characterised in that the pump cover is equipped with cavitation protection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784779.4U CN208281179U (en) | 2018-05-24 | 2018-05-24 | A kind of liquid-ring vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784779.4U CN208281179U (en) | 2018-05-24 | 2018-05-24 | A kind of liquid-ring vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208281179U true CN208281179U (en) | 2018-12-25 |
Family
ID=64730777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820784779.4U Expired - Fee Related CN208281179U (en) | 2018-05-24 | 2018-05-24 | A kind of liquid-ring vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208281179U (en) |
-
2018
- 2018-05-24 CN CN201820784779.4U patent/CN208281179U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |