CN209261824U - A kind of device removing water ring vacuum pump light oil - Google Patents
A kind of device removing water ring vacuum pump light oil Download PDFInfo
- Publication number
- CN209261824U CN209261824U CN201822091911.6U CN201822091911U CN209261824U CN 209261824 U CN209261824 U CN 209261824U CN 201822091911 U CN201822091911 U CN 201822091911U CN 209261824 U CN209261824 U CN 209261824U
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- CN
- China
- Prior art keywords
- valve
- liquid level
- pipe
- light oil
- knockout drum
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 93
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 239000010865 sewage Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 12
- 239000012224 working solution Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- NFWSQSCIDYBUOU-UHFFFAOYSA-N methylcyclopentadiene Chemical compound CC1=CC=CC1 NFWSQSCIDYBUOU-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to a kind of devices for removing water ring vacuum pump light oil, including knockout drum, the first liquid level component, the first valve, the second valve, light oil receiving tank, the packet that catchments, the second liquid level component, overflow pipe, gas-liquid equilibrium pipe, third valve, pressure gauge, the 4th valve, recovery tube, drainpipe, safety valve, inlet tube, water supply pipe, sewage pipe, return pipe, air inlet pipe, escape pipe, the 5th valve, pressure-measuring pipe, the 6th valve, the 7th valve and the 8th valve；Vacuum pump fluid band oil mass, vacuum degree needed for ensure that production is greatly reduced in the utility model；And light oil can be efficiently separated out to realize hermetic reclaim, energy conservation and environmental protection.
Description
Technical field
The utility model relates to a kind of devices for removing water ring vacuum pump light oil.
Background technique
Water ring vacuum pump is commonly used in fine chemistry industry reaction, its working principle is that: make in the pump housing equipped with suitable water
For working solution, when impeller in figure by being rotated clockwise, water throws to surrounding by impeller, due to the effect of centrifugal force, water shape
It is decided by the closed circle of the almost equal thickness of pump chamber shape at one, the lower portion inner surface of water ring is just and impeller hub
Tangent, the upper inside surface of water ring just contacts (practical blade has certain insertion depth in water ring) with blade tip,
At this time between impeller hub and water ring formed a crescent-shaped space, and this space be divided by impeller it is equal with lobe numbers
Several small chambers, if the volume of impeller small chamber at 180 ° before rotation is by small change with 0 ° of the lower part of impeller for starting point
Greatly, and with the air entry on end face it communicates, gas is inhaled at this time, and when air-breathing ends, small chamber then completely cuts off with air entry；Work as leaf
When wheel continues rotation, small chamber from large to small, compresses gas, and when small chamber is communicated with exhaust outlet, it is outer that gas is just discharged pump.
When the fixed gas in negative pressure system is sucked by vacuum pump, then outlet knockout drum is drained into, the gas being discharged at this time restores normal pressure, will
There is condensation light oil (predominantly cyclopentadiene, methyl cyclopentadiene, atmospheric boiling point is respectively in 43 DEG C and 67 DEG C) precipitation, with separation
The tank working time is longer, and light oil is cumulative in tank, and light oil and working solution (water) mixing and emulsifying are again introduced into after subcooler
The pump housing can gasify under pump housing subnormal ambient since the vapour pressure of oil is higher as working solution, substantially reduce the pumping of vacuum pump
Efficiency if things go on like this will cause the cavitation erosion of eccentric impeller in pump, not be able to satisfy the requirement of system vacuum, it is raw to influence safe and continuous
It produces；Also, because vacuum pump outlet knockout drum band oil is serious, therefore the water in knockout drum can only be discharged simultaneously with oil, oil is had no way
Recycling, live smell is big, is unfavorable for VOC improvement and environmental protection, and cause the increase of material consumption, needs further improvement.
Utility model content
In view of the above-mentioned state of the art, the technical problem to be solved by the utility model is to provide a kind of energy in time
The light oil condensed in vacuum pump outlet knockout drum is discharged, vacuum pump fluid band oil mass is greatly reduced, ensure that needed for production
Vacuum degree；And light oil can be efficiently separated out to realize hermetic reclaim, live smell is thoroughly solved greatly and material consumption is increased
Problem, the device of energy-saving and environment-friendly removing water ring vacuum pump light oil.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of removing water ring vacuum pump light oil
Device, including knockout drum, the first liquid level component, the first valve, the second valve, light oil receiving tank, the packet that catchments, the second liquid level group
Part, overflow pipe, gas-liquid equilibrium pipe, third valve, pressure gauge, the 4th valve, recovery tube, drainpipe, safety valve, inlet tube, benefit
Water pipe, sewage pipe, return pipe, air inlet pipe, escape pipe, the 5th valve, pressure-measuring pipe, the 6th valve, the 7th valve and the 8th valve,
It is characterized in that, the upper side external of the knockout drum is connected with inlet tube and escape pipe, setting outside the side of the knockout drum
Have the first liquid level component, be externally connected to water supply pipe, sewage pipe and return pipe on the downside of the knockout drum, the knockout drum it is another
One side-lower is provided with light oil receiving tank, is provided with overflow pipe between the light oil receiving tank and knockout drum；The overflow pipe
One end be connected to the side of knockout drum and vertical range h between knockout drum bottom be total high D inside knockout drum three/
Two, the other end of the overflow pipe is connected to the upside of light oil receiving tank, and the first valve and second are provided on the overflow pipe
Valve is connected with gas-liquid equilibrium pipe, pressure-measuring pipe and air inlet pipe on the upside of the light oil receiving tank；Is provided in the air inlet pipe
Six valves；Third valve and the 4th valve are provided on the gas-liquid equilibrium pipe；The downside external connection of the light oil receiving tank
There is recovery tube and the packet that catchments, the 7th valve is provided on the recovery tube, the bottom of the packet that catchments is connected with drainpipe；It is described
The 8th valve is provided on drainpipe；The other end of the pressure-measuring pipe is connected on pressure gauge, and is provided on the pressure-measuring pipe
Five valves, the upper side external of the light oil receiving tank also set up safety valve, and is provided with outside the side of the light oil receiving tank
Two liquid level components.
Preferably, the junction height of the overflow pipe and knockout drum is higher than overflow pipe and the junction of light oil receiving tank is high
The vertical range H of degree, the overflow pipe both ends is more than or equal to 30cm.
Preferably, the first liquid level component includes first liquid level gauge, the first liquid level tube and the first liquid level valve, and described first
The both ends of liquid level tube are connected to above and below the same side of knockout drum and are respectively positioned in same vertical straight line, and described first
Be provided with first liquid level gauge and two the first liquid level valves on liquid level tube, the first liquid level gauge be located at two the first liquid level valves it
Between.
Preferably, the second liquid level component includes second liquid level gauge, the second liquid level tube and the second liquid level valve, and described second
The both ends of liquid level tube are connected to above and below the same side of light oil receiving tank and are respectively positioned in same vertical straight line, described
Second liquid level gauge and two the second liquid level valves are provided on second liquid level tube, the second liquid level gauge is located at two the second liquid level valves
Between.
Compared with the prior art, the advantages of the utility model are: vacuum pump outlet point can be discharged in the utility model in time
From the light oil condensed in tank, vacuum pump fluid band oil mass, vacuum degree needed for ensure that production is greatly reduced；And can have
Effect isolates light oil to realize hermetic reclaim, thoroughly solves the problems, such as that live smell is big and material consumption increases, energy conservation and environmental protection.
Detailed description of the invention
Fig. 1 is the structure principle chart of the utility model.
Specific embodiment
As shown in Figure 1, a kind of device for removing water ring vacuum pump light oil, including knockout drum 1, the first liquid level component, first
Valve 3, the second valve 4, light oil receiving tank 5, the packet 6 that catchments, the second liquid level component, overflow pipe 8, gas-liquid equilibrium pipe 9, third valve
10, pressure gauge 11, the 4th valve 12, recovery tube 13, drainpipe 14, safety valve 15, inlet tube 16, water supply pipe 17, sewage pipe 18,
Return pipe 19, air inlet pipe 20, escape pipe 21, the 5th valve 22, pressure-measuring pipe 23, the 6th valve 28, the 7th valve 29 and the 8th valve
Door 30；The upper side external of knockout drum 1 is connected with inlet tube 16 and escape pipe 21, and the first liquid is provided with outside the side of knockout drum 1
Hyte part, the downside of knockout drum 1 are externally connected to water supply pipe 17, sewage pipe 18 and return pipe 19, the other side lower section of knockout drum 1
It is provided with light oil receiving tank 5, overflow pipe 8 is provided between light oil receiving tank 5 and knockout drum 1；One end of overflow pipe 8 is connected to point
Side from tank 1 and the vertical range h between 1 bottom of knockout drum are 2/3rds of the total high D in 1 inside of knockout drum, overflow pipe 8
The other end be connected to the upside of light oil receiving tank 5, the first valve 3 and the second valve 4 are provided on overflow pipe 8, light oil receives
The upside of tank 5 is connected with gas-liquid equilibrium pipe 9, pressure-measuring pipe 23 and air inlet pipe 20；The 6th valve 28 is provided in air inlet pipe 20；Gas phase
Third valve 10 and the 4th valve 12 are provided on balance pipe 9；The downside of light oil receiving tank 5 is externally connected to 13 sum aggregate of recovery tube
Water packet 6 is provided with the 7th valve 29 on recovery tube 13, and the bottom for the packet 6 that catchments is connected with drainpipe 14；It is provided on drainpipe 14
8th valve 30；The other end of pressure-measuring pipe 23 is connected on pressure gauge 11, and the 5th valve 22 is provided on pressure-measuring pipe 23, and light oil connects
The upper side external of closed cans 5 also sets up safety valve 15, and the second liquid level component is provided with outside the side of light oil receiving tank 5；Overflow pipe 8
Be higher than the junction height of overflow pipe 8 and light oil receiving tank 5 with the junction height of knockout drum 1,8 both ends of overflow pipe it is vertical away from
It is more than or equal to 30cm from H；First liquid level component includes first liquid level gauge 2, the first liquid level tube 24 and the first liquid level valve 25, the first liquid
The both ends of position pipe 24 are connected to above and below the same side of knockout drum 1 and are respectively positioned in same vertical straight line, the first liquid
Be provided with first liquid level gauge 2 and two the first liquid level valves 25 on the pipe 24 of position, first liquid level gauge 2 be located at two the first liquid level valves 25 it
Between；Second liquid level component includes second liquid level gauge 7, the second liquid level tube 27 and the second liquid level valve 26, the both ends of the second liquid level tube 27
It is connected to above and below the same side of light oil receiving tank 5 and is respectively positioned in same vertical straight line, on the second liquid level tube 27
It is provided with second liquid level gauge 7 and two the second liquid level valves 26, second liquid level gauge 7 is located between two the second liquid level valves 26.
Working principle: the other end of inlet tube 16 is connected with vacuum pump, and external water is passed into separation via water supply pipe 17
In tank 1, and then it will be arrived at 2~3cm lower than 8 incoming end of overflow pipe on the water level in knockout drum 1 by first liquid level gauge 2；
Then start vacuum pump and open the first valve 3, the second valve 4, third valve 10, the 4th valve 12, safety valve 15 and the 5th
Valve 22 opens two the first liquid level valves 25 then to enable first liquid level gauge 2；Air inlet pipe 20 is connected with nitrogen and closes
Six valves 28；Simultaneously close off the 7th valve 29 and the 8th valve 30；With the operation of vacuum pump, the light oil in knockout drum 1 is accumulative
And swim on the water surface, reach the junction of overflow pipe 8, just flow to light oil receiving tank 5 via overflow pipe 8 automatically by difference in height
In, two the second liquid level valves 26 are opened to enable second liquid level gauge 7, and timing inspection second liquid level gauge 7 to pay close attention to light oil in real time
Liquid level in receiving tank 5, when liquid level, which reaches second liquid level gauge 7, to be surveyed at the 2/3 of range, can arrange it is closed cut water, oil extraction,
This process is completely closed operation, i.e. guarantee vacuum pump fluid (water) is specific as follows without oil: opening the 8th valve 30, light oil
Dropping down onto receiving tank 5 under water, which is catchmented, to be wrapped in 6 and is discharged by drainpipe 14 to cut off moisture in tank, closes the 8th valve after seeing oil
Door 30；Temporarily Closed third valve 10 and the 4th valve 12 are opened the 6th valve 28 to be filled with nitrogen, are paid close attention to by pressure gauge 11
It pressure value and is pressurized to after 0.1Mpa in light oil receiving tank 5 and closes the 6th valve 28；Then, open the 7th valve 29 and by return
Closed tube 13 is to drain interior oil in light oil receiving tank 5, later, closes the 7th valve 29；It is again turned on third valve 10 and the 4th valve
Door 12, light oil receiving tank 5 is come into operation again to continue to light oil, is repeated operation, and can thoroughly be removed by defeated in vacuum pump
The light oil in water sent；Knockout drum 1 keeps identical by gas-liquid equilibrium pipe 9 with pressure in light oil receiving tank 5；By
After certain use, the residual impurity in knockout drum 1 is discharged into sewerage via sewage pipe 18；Treated water is via reflux
Pipe 19, which enters in working solution cooler, to be cooled down and is again introduced into vacuum pump；On-condensible gas in knockout drum 1 is via outlet
Pipe 21 is drained into flare system.
Water ring vacuum pump is commonly used in fine chemistry industry reaction, its working principle is that: make in the pump housing equipped with suitable water
For working solution, when impeller in figure by being rotated clockwise, water throws to surrounding by impeller, due to the effect of centrifugal force, water shape
It is decided by the closed circle of the almost equal thickness of pump chamber shape at one, the lower portion inner surface of water ring is just and impeller hub
Tangent, the upper inside surface of water ring just contacts (practical blade has certain insertion depth in water ring) with blade tip,
At this time between impeller hub and water ring formed a crescent-shaped space, and this space be divided by impeller it is equal with lobe numbers
Several small chambers, if the volume of impeller small chamber at 180 ° before rotation is by small change with 0 ° of the lower part of impeller for starting point
Greatly, and with the air entry on end face it communicates, gas is inhaled at this time, and when air-breathing ends, small chamber then completely cuts off with air entry；Work as leaf
When wheel continues rotation, small chamber from large to small, compresses gas, and when small chamber is communicated with exhaust outlet, it is outer that gas is just discharged pump.
When the fixed gas in negative pressure system is sucked by vacuum pump, then outlet knockout drum is drained into, the gas being discharged at this time restores normal pressure, will
There is condensation light oil (predominantly cyclopentadiene, methyl cyclopentadiene, atmospheric boiling point is respectively in 43 DEG C and 67 DEG C) precipitation, with separation
The tank working time is longer, and light oil is cumulative in tank, and light oil and working solution (water) mixing and emulsifying are again introduced into after subcooler
The pump housing can gasify under pump housing subnormal ambient since the vapour pressure of oil is higher as working solution, substantially reduce the pumping of vacuum pump
Efficiency if things go on like this will cause the cavitation erosion of eccentric impeller in pump, not be able to satisfy the requirement of system vacuum, it is raw to influence safe and continuous
It produces；Also, vacuum pump outlet knockout drum band oil before is serious, the water in knockout drum can only be discharged simultaneously with oil, oil is not done
Method recycling, live smell is big, is unfavorable for VOC improvement and environmental protection, and cause the increase of material consumption；The utility model can be in time
The light oil condensed in vacuum pump outlet knockout drum is discharged, vacuum pump fluid band oil mass is greatly reduced, ensure that needed for production
Vacuum degree；And light oil can be efficiently separated out to realize hermetic reclaim, live smell is thoroughly solved greatly and material consumption is increased
Problem, energy conservation and environmental protection.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of skill in the art that its according to
It is so possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is replaced on an equal basis
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (4)
1. it is a kind of remove water ring vacuum pump light oil device, including knockout drum, the first liquid level component, the first valve, the second valve,
Light oil receiving tank, the second liquid level component, overflow pipe, gas-liquid equilibrium pipe, third valve, pressure gauge, the 4th valve, is returned at the packet that catchments
Closed tube, drainpipe, safety valve, inlet tube, water supply pipe, sewage pipe, return pipe, air inlet pipe, escape pipe, the 5th valve, pressure-measuring pipe,
6th valve, the 7th valve and the 8th valve, which is characterized in that the upper side external of the knockout drum is connected with inlet tube and outlet
It manages, is provided with the first liquid level component outside the side of the knockout drum, water supply pipe, row are externally connected on the downside of the knockout drum
Dirt pipe and return pipe, are provided with light oil receiving tank below the other side of the knockout drum, the light oil receiving tank and knockout drum it
Between be provided with overflow pipe；One end of the overflow pipe is connected to the side of knockout drum and the vertical range between knockout drum bottom
H is 2/3rds of total high D inside knockout drum, and the other end of the overflow pipe is connected to the upside of light oil receiving tank, described to overflow
The first valve and the second valve are provided in flow tube, be connected on the upside of the light oil receiving tank gas-liquid equilibrium pipe, pressure-measuring pipe and
Air inlet pipe；The 6th valve is provided in the air inlet pipe；Third valve and the 4th valve are provided on the gas-liquid equilibrium pipe；Institute
It states and is externally connected to recovery tube on the downside of light oil receiving tank and the packet that catchments, the 7th valve, the collection are provided on the recovery tube
The bottom of water packet is connected with drainpipe；The 8th valve is provided on the drainpipe；The other end of the pressure-measuring pipe is connected to pressure
On power meter, the 5th valve is provided on the pressure-measuring pipe, the upper side external of the light oil receiving tank also sets up safety valve, described light
The second liquid level component is provided with outside the side of oily receiving tank.
2. it is according to claim 1 it is a kind of remove water ring vacuum pump light oil device, which is characterized in that the overflow pipe with
The junction height of knockout drum is higher than the junction height of overflow pipe and light oil receiving tank, the vertical range at the overflow pipe both ends
H is more than or equal to 30cm.
3. a kind of device for removing water ring vacuum pump light oil according to claim 1, which is characterized in that first liquid level
Component includes first liquid level gauge, the first liquid level tube and the first liquid level valve, and the both ends of first liquid level tube are connected to separation
Above and below the same side of tank and be respectively positioned in same vertical straight line, be provided on first liquid level tube first liquid level gauge and
Two the first liquid level valves, the first liquid level gauge are located between two the first liquid level valves.
4. a kind of device for removing water ring vacuum pump light oil according to claim 1, which is characterized in that second liquid level
Component includes second liquid level gauge, the second liquid level tube and the second liquid level valve, and the both ends of second liquid level tube are connected to light oil
It above and below the same side of receiving tank and is respectively positioned in same vertical straight line, is provided with the second liquid level on second liquid level tube
Meter and two the second liquid level valves, the second liquid level gauge are located between two the second liquid level valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822091911.6U CN209261824U (en) | 2018-12-13 | 2018-12-13 | A kind of device removing water ring vacuum pump light oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822091911.6U CN209261824U (en) | 2018-12-13 | 2018-12-13 | A kind of device removing water ring vacuum pump light oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209261824U true CN209261824U (en) | 2019-08-16 |
Family
ID=67563367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822091911.6U Expired - Fee Related CN209261824U (en) | 2018-12-13 | 2018-12-13 | A kind of device removing water ring vacuum pump light oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209261824U (en) |
-
2018
- 2018-12-13 CN CN201822091911.6U patent/CN209261824U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 |