CN209959426U - Oil-gas separator of vacuum pump - Google Patents
Oil-gas separator of vacuum pump Download PDFInfo
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- CN209959426U CN209959426U CN201920772508.1U CN201920772508U CN209959426U CN 209959426 U CN209959426 U CN 209959426U CN 201920772508 U CN201920772508 U CN 201920772508U CN 209959426 U CN209959426 U CN 209959426U
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Abstract
The utility model belongs to the technical field of pumps, aiming at the problems that the oil-gas separation existing in the traditional oil-gas separation mode is not thorough, the pump needs frequent stopping and oiling, and the working efficiency of the pump is influenced, the oil-gas separator of the vacuum pump comprises an oil collecting tank and a separator air chamber provided with an air inlet end and an air outlet end, a polar plate coaxial with the separator air chamber is arranged in the front section of the separator air chamber close to the air inlet end along the inner wall surface of the air chamber, a discharge electrode is arranged on the inner side of the polar plate along the axial direction of the separator air chamber, and the polar plate has charges opposite to the discharge electrode; the middle-rear section of separator air chamber is equipped with a plurality of oil collecting nets along radial equipartition interval, and the oil collecting tank is fixed in the middle-rear section lower part of the separator air chamber at oil collecting net place, and open the separator air chamber bottom has a plurality of oil leakage ways that link up the oil collecting tank, the utility model discloses a through the effect of repetitious utilization electric field force to electrified oil smoke granule promotes oil-gas separation efficiency and quality, compares with traditional single gravity separation mode, and separation effect and separation efficiency are higher, are favorable to improving the life and the operational reliability of oil pump.
Description
Technical Field
The utility model belongs to the technical field of the pump, in particular to vacuum pump oil and gas separator and oil-gas separation method.
Background
The vacuum pump oil-gas separator is also called a vacuum pump oil-mist separator and an oil-mist filter, and is a device for separating gas and pump oil and collecting the pump oil for cyclic utilization. The oil type vacuum pump is characterized in that vacuum pump oil is used as a medium to be vacuumized, a vacuum pump exhaust gas contains a large amount of oil mist particles in the operation process of the vacuum pump, and if the oil mist particles are not subjected to separation treatment, the oil mist particles are exhausted along with an exhaust body to form a common white oil mist at a pump port, so that the working environment is polluted, a large amount of pump oil can be lost, and the vacuum pump needs to be frequently oiled.
In the traditional oil-gas separation mode, an oil baffle plate and an oil baffle cover are added at the outlet of a pump, when gas in the pump is discharged from a pump cavity, the gas containing oil mist and oil drops impacts the oil baffle plate or the oil baffle cover, the collected large oil drops drop back to the bottom of an oil-gas separation tank under the action of gravity, and then flow back to the pump cavity to continue working. Although the structure is simple, a large amount of oil mist is discharged along with the air flow before being collected into liquid drops, and filter paper and a filter element can be arranged for further intercepting the oil mist, but the filter element is required to be replaced regularly as a consumable, so that the frequency of stopping and oiling is increased, and the working efficiency is reduced.
Disclosure of Invention
The utility model discloses the oil-gas separation to the existence of traditional oil-gas separation mode is not thorough, needs frequently to shut down to refuel, influences pump work efficiency's problem, provides a vacuum pump oil and gas separator and oil-gas separation method.
Vacuum pump oil-gas separation method, through arranging oil-gas mixture in the electric field space, make a large amount of cations or anions that release and the oil-gas mixture in this space take place to collide repeatedly with the effect of electric field power to make oil-gas mixture electrified, electrified oil mist is adsorbed and is assembled into oil and drips and get rid of, thereby realize oil-gas separation.
A vacuum pump oil-gas separator comprises an oil collecting tank and a separator gas chamber provided with a gas inlet end and a gas outlet end, wherein a polar plate coaxial with the separator gas chamber is arranged in the front section of the separator gas chamber close to the gas inlet end along the inner wall surface of the gas chamber, a discharge electrode is arranged on the inner side of the polar plate along the axial direction of the separator gas chamber, and the polar plate is provided with charges opposite to the discharge electrode; the oil collecting tank is fixed at the lower part of the middle and rear sections of the separator air chamber where the oil collecting tank is located, and the bottom of the separator air chamber is provided with a plurality of oil leakage channels which penetrate through the oil collecting tank.
And a polar plate insulating layer is arranged between the polar plate and the inner wall of the separator air chamber.
The front end face and the rear end face of the separator air chamber are both of flange structures, and annular sealing grooves for mounting sealing elements are respectively arranged on the front flange end face and the rear flange end face.
The oil leakage channel is arranged below one side of the oil collecting net close to the air inlet end, and the bottom of the separator air chamber on one side of the oil collecting net close to the air outlet end is provided with an oil baffle plate.
The bottom of the oil collecting tank is provided with an oil removing hole provided with an oil plug.
The separator plenum is a cylindrical wall.
The utility model discloses a through the effect of repetitious utilization electric field force to electrified oil mist granule promotes oil-gas separation efficiency and quality, compares with traditional single gravity separation mode, and separation effect and separation efficiency are higher, are favorable to improving the life and the operational reliability of oil pump.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a left side view of an embodiment of the present invention;
fig. 3 is a cross-sectional view of an embodiment of the present invention taken along plane a-a of fig. 2;
fig. 4 is a cross-sectional view of an embodiment of the present invention taken along plane B-B of fig. 2;
fig. 5 is a cross-sectional view of an embodiment of the present invention taken along plane C-C of fig. 3;
in the figure: the device comprises a discharge electrode 1, a sealing groove I2, a polar plate 3, a polar plate insulating layer 4, a separator air chamber 5, a screw 6, an oil leakage channel 7, an oil baffle plate 8, an oil collecting tank 9, an oil plug 10, an oil collecting net insulating frame 11, an oil collecting tank sealing ring 12, a sealing groove II 13, an oil collecting net 14, a bolt 15 and cations (or anions) 16.
Detailed Description
The following embodiments are further described in connection with the following examples, which are intended to illustrate the present invention and not to limit the present invention in any way.
According to attached drawings 1, 2, 3, 4 and 5, the vacuum pump oil-gas separator consists of a discharge electrode 1, a polar plate 3, a polar plate insulating layer 4, a separator gas chamber 5, an oil collecting tank 9, an oil collecting net 14, an oil collecting net insulating frame 11, an oil baffle plate 8, an oil plug 10, a bolt 15, a screw 6 and an oil collecting tank sealing ring 12.
Specifically, the polar plate 3 is arranged on the inner wall of the separator air chamber 5 close to the air inlet end, and the polar plate 3 is isolated from the separator air chamber 5 by a polar plate insulating layer 4; the oil collecting net 14 is arranged at the middle rear section in the separator air chamber 5 through an oil collecting net insulating frame 11; the oil collecting tank 9 is fixed at the lower part of the separator air chamber 5, and an oil collecting tank sealing ring 12 is arranged between the oil collecting tank 9 and the separator air chamber 5 and is fixedly connected with the oil collecting tank through a bolt 15 and a screw 6.
The gas inlet end of the separator gas chamber 5 is of a flange structure, so that the gas inlet end is conveniently connected with a gas outlet of a vacuum pump; the gas outlet end of the separator gas chamber 5 is of a flange structure, so that the connection of subsequent pipeline equipment is facilitated, and the flange plate is provided with a sealing groove 2 and a sealing groove 13 for mounting a sealing element.
The bottom of the middle rear section of the separator air chamber 5 is provided with a plurality of oil leakage channels 7 which run through the bottom of the separator air chamber; the lower end surface of the separator air chamber 5 is a plane provided with bolt holes, and an oil collecting tank 9 is arranged below the oil leakage channel 7.
The discharge electrodes 1 are arranged along the axis of the separator gas chamber 5 on a center line which is arranged at the same distance from the inlet end of the separator gas chamber 5 and the polar plate 3, and the discharge electrodes 1 can release a large amount of cations 16 (or anions).
The polar plate 3 is charged oppositely to the discharge electrode 1, a large number of cations 16 (or anions) released by the discharge electrode 1 move towards the polar plate 3 under the action of an electric field, an oil-gas mixture entering the separator air chamber 5 from the inlet end collides with the cations 16 (or anions) moving towards the polar plate 3, so that oil mist is charged positively (or negatively), part of the charged oil mist is adsorbed on the polar plate 3 under the action of the electric field in the polar plate 3 and is collected into oil drops, and the oil drops move towards the rear part of the separator air chamber 5 under the action of air flow and flow into the oil collecting tank 9 from the oil leakage channel 7.
The oil collecting net 14 is charged oppositely to the discharge electrode 1, and the charged oil mist which is not collected by the polar plate 3 in the oil mist is absorbed by the oil collecting net 14 when flowing through the oil collecting net 14 with opposite charge, flows to the bottom of the separator air chamber 5 along the oil collecting net 14, and then flows into the oil collecting tank 9 through the oil leakage channel 7.
The oil collecting net 14 is provided with a corresponding oil leakage channel 7 below one side close to the air inlet, the bottom of the separator air chamber 5 at one side close to the air outlet of the oil collecting net 14 is provided with an oil baffle plate 8 to prevent oil gathered by oil mist from flowing to the rear part of the separator air chamber 5, the oil collecting net 14 can be arranged in a plurality, and the number of the oil collecting nets 14 is increased or decreased according to the amount of the oil mist and the required cleaning degree.
The bottom of the oil collecting tank 9 is provided with an oil outlet hole provided with an oil plug 10 and used for releasing oil fully collected or connecting equipment such as an oil pipe or an oil pump and the like to directly return oil into the pump.
At this point, the oil mist in the oil-gas mixture flowing in from the gas inlet end of the separator gas chamber 5 is firstly charged by the cations 16 (or anions) released by the discharge electrode 1, and then is adsorbed on the polar plate 3 and the oil collecting net 14 in sequence under the action of the electric field, the collected oil drops flow into the oil collecting tank 9 through the oil leakage channel 7 under the action of gravity, and the clean gas without the oil mist is discharged from the gas outlet end of the separator gas chamber 5.
The separator air chamber is preferably provided with a cylindrical wall surface, so that the distance from ions released from the discharge electrode positioned on the axis of the separator air chamber to the polar plate is equal everywhere, and the ions uniformly move in all directions, thereby being beneficial to more uniform and sufficient electrification of oil mist.
Compare with traditional oil-gas separation only utilizes the action of gravity, because the utility model discloses a repeated multiple utilization the effect of electric field force to electrified oil mist granule, very big promotion oil-gas separation efficiency and quality, thoroughly eliminated the oil mist of pump export, improved operational environment greatly.
In addition, all the elements are not lost in the using process, the service life is long, the elements do not need to be replaced, the collected pump oil can be directly conveyed back to the pump cavity, zero loss of the vacuum pump oil is almost achieved, the working efficiency and the working reliability of the vacuum pump are greatly improved.
Claims (6)
1. A vacuum pump oil-gas separator is characterized by comprising an oil collecting tank and a separator gas chamber provided with a gas inlet end and a gas outlet end, wherein a polar plate coaxial with the separator gas chamber is arranged in the front section of the separator gas chamber close to the gas inlet end along the inner wall surface of the gas chamber, the inner side of the polar plate is provided with a discharge electrode along the axial direction of the separator gas chamber, and the polar plate is provided with charges opposite to the discharge electrode; the oil collecting tank is fixed at the lower part of the middle and rear sections of the separator air chamber where the oil collecting tank is located, and the bottom of the separator air chamber is provided with a plurality of oil leakage channels which penetrate through the oil collecting tank.
2. The vacuum pump oil-gas separator of claim 1, wherein a plate insulating layer is arranged between the plate and the inner wall of the separator gas chamber.
3. The oil-gas separator of the vacuum pump as claimed in claim 2, wherein the front end face and the rear end face of the separator gas chamber are both in a flange structure, and annular sealing grooves for mounting sealing elements are respectively arranged on the front flange end face and the rear flange end face.
4. The oil-gas separator of vacuum pump as claimed in claim 3, wherein the oil leakage channel is arranged below one side of the oil collecting net close to the air inlet end, and the bottom of the separator air chamber of the oil collecting net close to the air outlet end is provided with an oil baffle plate.
5. The oil-gas separator of the vacuum pump as claimed in claim 4, wherein the bottom of the oil collecting tank is provided with an oil removing hole provided with an oil plug.
6. A vacuum pump gas-oil separator as in claim 5 wherein the separator plenum is a cylindrical wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772508.1U CN209959426U (en) | 2019-05-27 | 2019-05-27 | Oil-gas separator of vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772508.1U CN209959426U (en) | 2019-05-27 | 2019-05-27 | Oil-gas separator of vacuum pump |
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| Publication Number | Publication Date |
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| CN209959426U true CN209959426U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920772508.1U Active CN209959426U (en) | 2019-05-27 | 2019-05-27 | Oil-gas separator of vacuum pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131134A (en) * | 2019-05-27 | 2019-08-16 | 中北大学 | A kind of pumping fluid gas separating device and oil and gas separation method |
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2019
- 2019-05-27 CN CN201920772508.1U patent/CN209959426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131134A (en) * | 2019-05-27 | 2019-08-16 | 中北大学 | A kind of pumping fluid gas separating device and oil and gas separation method |
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