CN219865384U - Filter device of double-oil-tank slide valve vacuum pump - Google Patents
Filter device of double-oil-tank slide valve vacuum pump Download PDFInfo
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- CN219865384U CN219865384U CN202321710532.5U CN202321710532U CN219865384U CN 219865384 U CN219865384 U CN 219865384U CN 202321710532 U CN202321710532 U CN 202321710532U CN 219865384 U CN219865384 U CN 219865384U
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- oil tank
- oil
- pump body
- slide valve
- tank
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- 238000001914 filtration Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 22
- 238000007667 floating Methods 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 6
- 239000003921 oil Substances 0.000 description 133
- 239000012535 impurity Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003305 oil spill Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a filtering device of a double-oil-tank slide valve vacuum pump, which relates to the technical field of a slide valve vacuum pump filtering structure.
Description
Technical Field
The utility model relates to the technical field of slide valve vacuum pump filtering structures, in particular to a double-oil-tank slide valve vacuum pump filtering device.
Background
The slide valve vacuum pump has obvious energy-saving effect, high vacuum degree and large extraction quantity in a high vacuum region, and can be widely applied to vacuum impregnation and vacuum drying processes of transformers, wires and cables and capacitors in the power industry. Is vacuum equipment with ideal vacuum coating, vacuum smelting, vacuum heat treatment, vacuum oil filtration, freeze drying and aviation simulation test.
In order to ensure long-term stable operation of the slide valve vacuum pump, the vacuum oil needs to be replaced regularly, a certain amount of impurities are sucked into the machine in the operation process, so that the pollution to the vacuum oil is aggravated, in addition, the existing oil tank is generally made of carbon steel, the polluted vacuum oil can corrode the oil tank, part of metal sediment can damage a pump body, and the existing solution is to replace lubricating oil regularly, so that the consumption of the lubricating oil is huge, and the production cost is greatly increased, so that the double-oil-tank slide valve vacuum pump filtering device is provided to solve the problems.
Disclosure of Invention
The utility model aims to provide a double-oil-tank slide valve vacuum pump filtering device, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a two oil tank slide valve vacuum pump filter equipment, includes the slide valve pump body and installs in the first oil tank on slide valve pump body top, install the pump body blast pipe that extends to the inboard of oil tank on the slide valve pump body, the pipeline is installed to the side bottom of first oil tank, install the air duct on the slide valve pump body, still include:
the second oil tank is positioned on the upper side of the first oil tank, an oil overflow pipe for communicating the second oil tank and the first oil tank is arranged between the second oil tank and the first oil tank, the top end of the pump body exhaust pipe penetrates through the first oil tank and extends to the inner side of the second oil tank, and the top end of the second oil tank is provided with an oil tank exhaust pipe;
the filter is positioned between the first oil tank and the second oil tank, and the filter is respectively communicated with the first oil tank and the second oil tank through oil guide pipes.
Preferably, two filters are arranged, the two filters are arranged one by one, and a filter screen is arranged at the pipeline.
Preferably, the top end of the pump body exhaust pipe is provided with a closed opening, and the side top end of the pump body exhaust pipe is provided with an exhaust port, wherein the horizontal plane of the exhaust port is higher than the horizontal plane of the upper pipe orifice of the oil spill pipe.
Preferably, a sealing element is sleeved on the outer side of the pump body exhaust pipe in a sliding mode, and the sealing element is located on the inner side of the second oil tank.
Preferably, the sealing element comprises a sealing sleeve and a floating ring, the sealing sleeve is arranged at the lower end of the floating ring, the sealing sleeve and the floating ring are both sleeved on the outer side of the pump body exhaust pipe in a sliding mode, and the height of the sealing sleeve is larger than the diameter of the exhaust port.
Preferably, the inner bottom of the oil tank II is provided with an inclined plane, the inclined plane is inclined downwards towards one side far away from the filter, a drain pipe is arranged at the bottom end of one side of the oil tank II far away from the filter, and the oil tank I and the oil tank II are both stainless steel tanks.
Preferably, the slide valve pump body is communicated with a buffer cylinder through an air duct, and a drain outlet and an air inlet are arranged on the buffer cylinder.
In summary, the utility model has the technical effects and advantages that:
1. according to the utility model, through the double oil tanks of the first oil tank and the second oil tank, the overflow pipe and the filter which are communicated with the first oil tank and the second oil tank are matched, after the vacuum oil and gas mixture in the pump cavity passes through extrusion in the pump cavity, the oil-gas mixture is discharged into the second oil tank through the air valve on the exhaust pipe of the pump body, gas-liquid separation is carried out on the second oil tank, oil in the second oil tank is fully filtered by the filter and then enters the first oil tank, the arranged overflow pipe plays a role of communicating the upper oil tank and the lower oil tank and balancing the pressure of the two oil tanks, and on the other hand, when the filter is blocked, the oil in the second oil tank can flow into the first oil tank through the overflow pipe, so that the oil shortage of the first oil tank is prevented, and the role of protecting the slide valve body is played.
2. According to the utility model, the sealing piece comprising the sealing sleeve and the floating ring is sleeved on the outer side of the pump body exhaust pipe in a sliding manner, the floating ring floats on the oil liquid level in the second oil tank, when the oil liquid level in the second oil tank rises to the exhaust port, the floating ring seals the exhaust port with the sealing sleeve, so that oil in the second oil tank can be prevented from entering the exhaust port, the inner bottom end of the second oil tank is set to be an inclined plane, and is matched with the mounted drain pipe, so that solid impurities can be smoothly discharged, the stainless steel oil tank is not easy to corrode, the service life is prolonged, and the buffer cylinder mounted at the air suction end of the slide valve pump body plays a role in separating liquid and impurities, so that harmful impurities are reduced from entering the slide valve pump body, and the slide valve pump body is better protected.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present embodiment;
fig. 2 is a schematic view of the structure at the seal in the present embodiment;
fig. 3 is a schematic diagram of a prior art structure.
In the figure: 1. a slide valve pump body; 2. an oil tank I; 3. an air duct; 4. a pump body exhaust pipe; 5. an oil tank exhaust pipe; 6. a pipe; 7. an oil tank II; 8. a filter; 9. an oil guide pipe; 10. a blow-down pipe; 11. an overflow pipe; 12. a buffer cylinder; 13. a sewage outlet; 14. an air inlet; 15. an exhaust port; 16. a seal; 161. sealing sleeve; 162. a floating ring; 17. and (5) a filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: the filtering device of the double-oil-tank slide valve vacuum pump shown by referring to fig. 1-2 comprises a slide valve pump body 1 and an oil tank I2 arranged at the top end of the slide valve pump body 1, wherein a pump body exhaust pipe 4 extending to the inner side of the oil tank I2 is arranged on the slide valve pump body 1, a pipeline 6 is arranged at the side bottom end of the oil tank I2, an air duct 3 is arranged on the slide valve pump body 1, and the filtering device further comprises an oil tank II 7 and a filter 8.
The oil tank II 7 is located the upside of oil tank I2, and installs the oil spill pipe 11 that communicates both between oil tank II 7 and the oil tank I2, and the top of pump body blast pipe 4 runs through oil tank I2 to extend to the inboard of oil tank II 7, oil tank blast pipe 5 is installed on the top of oil tank II 7, and filter 8 is located between oil tank I2 and oil tank II 7, and filter 8 is linked together with oil tank I2 and oil tank II 7 respectively through leading oil pipe 9.
Compared with the filtering structure of the slide valve vacuum pump in the prior art as shown in fig. 3, the filter structure of the slide valve vacuum pump in the prior art has the advantages that through the double oil tanks of the first oil tank 2 and the second oil tank 7, the overflow pipe 11 and the filter 8 which are matched to communicate the first oil tank 2 with the second oil tank 7 can be utilized to fully filter oil in the second oil tank 7 and then enter the first oil tank 2, the arranged overflow pipe 11 plays a role in communicating an upper oil tank and a lower oil tank and balancing the pressure of the two oil tanks, and on the other hand, when the filter 8 is blocked, the oil in the second oil tank 7 can flow into the first oil tank 2 through the overflow pipe 11 to prevent the first oil tank 2 from being short of oil, so that the function of protecting the slide valve pump body 1 is achieved, and the production cost is reduced.
The top end of the pump body exhaust pipe 4 is closed, an exhaust port 15 is arranged at the side top end of the pump body exhaust pipe 4, and the horizontal plane of the exhaust port 15 is higher than the horizontal plane of the upper pipe orifice of the oil spill pipe 11.
The slide valve pump body 1 sucks gas, after the vacuum oil and gas mixture in the pump cavity passes through extrusion in the pump cavity, the oil and gas mixture is discharged into the oil tank II 7 through the air valve on the pump body exhaust pipe 4, gas-liquid separation is carried out on the oil tank II 7, then the oil flows into the oil tank I2, the oil in the oil tank I2 enters the pump cavity again, and the repeated circulation is carried out, so that the design is convenient for sucking some unclean gas.
Further, two filters 8 are arranged, and the two filters 8 are provided one by one, so that the independent cleaning and replacement are facilitated, and a filter screen 17 is arranged at the pipeline 6.
The outside slip cap of pump body blast pipe 4 is equipped with sealing member 16, and sealing member 16 is located the inboard of oil tank two 7, and specifically sealing member 16 includes seal cover 161 and floating ring 162, and seal cover 161 installs in the lower extreme of floating ring 162, and seal cover 161 and the outside of pump body blast pipe 4 is all located to the sliding sleeve of floating ring 162, and the height of seal cover 161 is greater than the diameter of gas vent 15.
The floating ring 162 floats on the oil level in the second oil tank 7, and when the oil level in the second oil tank 7 rises to the position of the air outlet 15, the floating ring 162 seals the air outlet 15 with the sealing sleeve 161, so that the oil in the second oil tank 7 can be prevented from entering the air outlet 15.
Wherein, the inner bottom of oil tank two 7 sets up to the inclined plane, and the inclined plane is towards keeping away from one side downward sloping of filter 8, and blow off pipe 10 is installed to one side bottom that filter 8 was kept away from to oil tank two 7, is favorable to discharging solid impurity smoothly, and oil tank two 2 and oil tank two 7 are the stainless steel box, and the box is difficult for corroding, increase of service life, reduction in production cost.
The slide valve pump body 1 is communicated with a buffer cylinder 12 through an air duct 3, a drain outlet 13 and an air inlet 14 are arranged on the buffer cylinder 12, the buffer cylinder 12 plays a role in separating liquid and impurities, and harmful impurities are reduced from entering the slide valve pump body 1.
The working principle of the utility model is as follows: the slide valve pump body 1 sucks gas, the buffer cylinder 12 arranged at the suction end of the slide valve pump body 1 plays a role in separating liquid and impurities, harmful impurities are reduced to enter the slide valve pump body 1, the slide valve pump body 1 is arranged through double oil tanks of the first oil tank 2 and the second oil tank 7, an overflow pipe 11 and a filter 8 are matched for communicating the first oil tank 2 and the second oil tank 7, after a vacuum oil and gas mixture in a pump cavity passes through extrusion in the pump cavity, the oil-gas mixture is discharged into the second oil tank 7 through an air valve on the pump body exhaust pipe 4, the second oil tank 7 performs gas-liquid separation, oil in the second oil tank 7 is fully filtered by the filter 8 and then enters the first oil tank 2, the arranged overflow pipe 11 plays a role in communicating an upper oil tank with a lower oil tank and balancing the pressure of the two oil tanks, and on the other hand, when the filter 8 is blocked, the oil in the second oil tank 7 can flow into the first oil tank 2 through the overflow pipe 11 to prevent the oil shortage of the first oil tank 2, and thus playing a role in protecting the slide valve pump body 1.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a two oil tank slide valve vacuum pump filter equipment, includes slide valve pump body (1) and installs in the first oil tank (2) on slide valve pump body (1) top, install pump body blast pipe (4) that extend to the inboard of first oil tank (2) on slide valve pump body (1), pipeline (6) are installed to the side bottom of first oil tank (2), install air duct (3) on slide valve pump body (1), its characterized in that still includes:
the second oil tank (7), the second oil tank (7) is located on the upper side of the first oil tank (2), an oil overflow pipe (11) for communicating the second oil tank (7) with the first oil tank (2) is arranged between the second oil tank (7), the top end of the pump body exhaust pipe (4) penetrates through the first oil tank (2) and extends to the inner side of the second oil tank (7), and the top end of the second oil tank (7) is provided with an oil tank exhaust pipe (5);
the filter (8) is positioned between the first oil tank (2) and the second oil tank (7), and the filter (8) is respectively communicated with the first oil tank (2) and the second oil tank (7) through oil guide pipes (9).
2. The dual tank spool valve vacuum pump filtration device of claim 1, wherein: the two filters (8) are arranged, the two filters (8) are arranged one by one, and a filter screen (17) is arranged at the pipeline (6).
3. The dual tank spool valve vacuum pump filtration device of claim 1, wherein: the top of the pump body exhaust pipe (4) is provided with a closed opening, the side top of the pump body exhaust pipe (4) is provided with an exhaust port (15), and the horizontal plane of the exhaust port (15) is higher than the horizontal plane of the upper pipe orifice of the overflow pipe (11).
4. A dual tank spool valve vacuum pump filtration device as claimed in claim 3 wherein: the outside slip cap of pump body blast pipe (4) is equipped with sealing member (16), and sealing member (16) are located the inboard of oil tank two (7).
5. The dual tank spool valve vacuum pump filtration device of claim 4, wherein: the sealing piece (16) comprises a sealing sleeve (161) and a floating ring (162), the sealing sleeve (161) is arranged at the lower end of the floating ring (162), the sealing sleeve (161) and the floating ring (162) are both sleeved on the outer side of the pump body exhaust pipe (4) in a sliding mode, and the height of the sealing sleeve (161) is larger than the diameter of the exhaust port (15).
6. The dual tank spool valve vacuum pump filtration device of claim 1, wherein: the inner bottom of the oil tank II (7) is provided with an inclined plane, the inclined plane is inclined downwards towards one side far away from the filter (8), a drain pipe (10) is arranged at the bottom end of one side of the oil tank II (7) far away from the filter (8), and the oil tank I (2) and the oil tank II (7) are both stainless steel boxes.
7. A dual tank slide valve vacuum pump filtration device according to any one of claims 1-6, wherein: the slide valve pump body (1) is communicated with a buffer cylinder (12) through an air duct (3), and a sewage outlet (13) and an air inlet (14) are arranged on the buffer cylinder (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321710532.5U CN219865384U (en) | 2023-07-03 | 2023-07-03 | Filter device of double-oil-tank slide valve vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321710532.5U CN219865384U (en) | 2023-07-03 | 2023-07-03 | Filter device of double-oil-tank slide valve vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865384U true CN219865384U (en) | 2023-10-20 |
Family
ID=88318444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321710532.5U Active CN219865384U (en) | 2023-07-03 | 2023-07-03 | Filter device of double-oil-tank slide valve vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865384U (en) |
-
2023
- 2023-07-03 CN CN202321710532.5U patent/CN219865384U/en active Active
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