CN113217137A - Oil-gas separation device - Google Patents
Oil-gas separation device Download PDFInfo
- Publication number
- CN113217137A CN113217137A CN202110640812.2A CN202110640812A CN113217137A CN 113217137 A CN113217137 A CN 113217137A CN 202110640812 A CN202110640812 A CN 202110640812A CN 113217137 A CN113217137 A CN 113217137A
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- Prior art keywords
- oil
- filter
- separation
- filter fiber
- cavity
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- 238000000926 separation method Methods 0.000 title claims abstract description 120
- 239000000835 fiber Substances 0.000 claims abstract description 150
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 239000003921 oil Substances 0.000 claims description 60
- 239000000463 material Substances 0.000 claims description 17
- 230000002209 hydrophobic effect Effects 0.000 claims description 9
- 239000002199 base oil Substances 0.000 claims description 6
- 239000003595 mist Substances 0.000 abstract description 19
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0422—Separating oil and gas with a centrifuge device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0438—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a filter
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an oil-gas separation device, which comprises a separation cavity, wherein the cavity wall of the separation cavity is provided with an air inlet and an air outlet; a separation component is accommodated in the separation cavity and comprises a filter fiber bearing piece, the filter fiber bearing piece is a hollow closed piece, and filter fibers are arranged on the filter fiber bearing piece; the filter fiber bearing piece is provided with a plurality of air holes and at least one main air passing hole, the main air passing hole is communicated with an air inlet hole or an air outlet hole, and the plurality of air holes are communicated with the cavity in the separation cavity; be provided with the separation cavity oil drain port on the separation cavity, through using this application oil gas separation device can realize oil gas separation device's long-term stable effective filtration oil mist.
Description
Technical Field
The invention relates to an oil-gas separation device.
Background
In the conventional engine, exhaust gas, unburned air-fuel mixture, water vapor and the like in the combustion chamber often permeate into the crankcase through a gap between the piston and the cylinder wall. The fuel vapor which flows into the crankcase is condensed to dilute the engine oil and deteriorate the performance; if the exhaust gas flowing into the crankcase is not discharged, high pressure is formed in the crankcase to leak oil from the seal, and the oil leaks out from the crankshaft oil seal, the crankcase gasket, and the like, and the oil vapor leaking into the atmosphere pollutes the atmosphere. In order to avoid such a situation, crankcase ventilation systems are introduced, which mainly include two main types, namely an open circulation ventilation system and a closed forced ventilation system, and according to the nature of a separation method, an oil-gas separator can be divided into: inertial impactor separators, coalescing separator separators and electrostatic separators.
Patent No. 201721204350.5 discloses an oil-gas separator, but such a separator filter element needs to be replaced periodically, and the filter material does not have self-cleaning property, is cumbersome to replace, and is not favorable for environmental protection. The prior art urgently needs an oil-gas separation device which has long service life and does not need to replace a filter element.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the oil-gas separation device which has long service life and does not need to replace a filter element.
In order to achieve the purpose, the technical scheme of the invention provides an oil-gas separation device, which comprises a separation cavity, wherein the cavity wall of the separation cavity is provided with an air inlet and an air outlet; a separation component is accommodated in the separation cavity and comprises a filter fiber bearing piece, the filter fiber bearing piece is a hollow closed piece, and filter fibers are arranged on the filter fiber bearing piece; the filter fiber bearing piece is provided with a plurality of air holes and at least one main air passing hole, the main air passing hole is communicated with an air inlet hole or an air outlet hole, and the plurality of air holes are communicated with the cavity in the separation cavity; and the separation cavity is provided with a separation cavity oil drain port.
Through using this application oil-gas separation device can realize oil-gas separation device's long-term stable effective filtration oil mist, owing to adopted filter fiber, the adsorption efficiency of oil mist is strong, can be fine with oil mist and gas separation. The oil drops automatically drop by gravity after being gathered, and the filter fibers can realize self-cleaning, thereby greatly prolonging the service life.
Preferably, the filter fiber bearing member is provided with a filter fiber bearing member oil drain port, and the filter fiber bearing member oil drain port is communicated with the separation cavity oil drain port.
Preferably, the filter fiber is in a thread shape, one end of the filter fiber is fixed with the filter fiber bearing part, and the other end of the filter fiber naturally extends. By the design, the oil-gas mixed gas can be fully contacted with the filter fibers, tiny oil mist (and water mist) in the oil-gas mixed gas is gradually adsorbed by the filter fibers, an adsorption path is prolonged, and the adsorption rate is improved.
Preferably, the filter fibers are in a shape of a hemp ball, and are wrapped outside the filter fiber carrier or filled inside the filter fiber carrier. Such design can richen filter fiber mounted position and mode, and the mesh route that constitutes through the gaseous abundant and filter fiber of oil-gas mixture constantly strikes, adsorbs, reaches the separation effect.
Preferably, the separation cavity is in a shape of a straight cylinder or a cone-barrel. Such a design is a rich design of the separation chamber structure.
Preferably, the filter fiber carrier is connected with the inner wall of the separation cavity through a central shaft. Such design, the fibre that conveniently filters holds carrier and separation cavity and is connected.
Preferably, the air inlet is arranged at the bottom of the separation cavity, and the air outlet is arranged at the top of the separation cavity. Such design does benefit to oil-gas mixture and gets into from the separation cavity bottom, and clean gas is discharged from the top.
Preferably, the filtering fiber bearing element is in a straight cylinder shape or a cone-barrel shape, the filtering fibers are in a thread shape and are uniformly distributed outside the side wall of the filtering fiber bearing element, and the air holes are uniformly distributed outside the side wall of the filtering fiber bearing element; the main air passing port is arranged at the top of the filtering fiber bearing piece and communicated with the exhaust hole. Such design, the oil-gas mixture fully filters the back from the outside of filtration fibre carrier lateral wall with filtration fibre, gets into inside the filtration fibre carrier from the bleeder vent, and clean gas is discharged from main gas port.
Preferably, a separation driving part is arranged in the separation cavity. Due to the design, oil drops adsorbed on the filter fibers can be quickly separated from the filter fibers, so that self-cleaning is realized, and the adsorption effect is ensured for a long time.
Preferably, the separation driving part is a hydraulic system, a motor system or an ultrasonic generator. Such a design is a further optimization of the solution.
Preferably, the separation driving part is arranged at the bottom of the filter fiber bearing part, the filter fiber bearing part is driven by the separation driving part to rotate centrifugally, and the filter fibers rotate centrifugally synchronously. Oil drops adsorbed on the filter fibers can be rapidly separated from the filter fibers through centrifugal rotation.
Preferably, the separation driving part is arranged at the bottom of the filter fiber bearing part, and the filter fiber bearing part is driven to shake by the separation driving part, so that the filter fibers shake synchronously. Oil drops adsorbed on the filter fibers can be rapidly separated from the filter fibers by vibration.
Preferably, the filter fiber is any one of oleophobic and hydrophobic material fiber, oleophilic and hydrophilic material fiber and oleophilic and hydrophobic material fiber or a combination of any two or three. The material can not only quickly adsorb oil mist, but also lead the oil mist to be gathered into drops to be separated from fibers.
The invention has the advantages and beneficial effects that: through using this application oil gas separator can realize oil gas separator's effective oil mist of filtering steadily for a long time, owing to adopted filter fiber, the adsorption efficiency of oil mist is strong, can be fine with oil mist and gas separation, and through the gathering of oil dripping or through centrifugal separation or shake the separation make oil drip and filter fiber separate to retrieve, filter material has realized self-cleaning, greatly increased life.
Drawings
FIG. 1 is a schematic flow diagram (from bottom to top) of the gas stream of the present invention;
FIG. 2 is a schematic structural view (from top to bottom) of the present invention;
FIG. 3 is a schematic view of the structure of the present invention (the filter fibers are filamentous and are outside the filter fiber support);
FIG. 4 is a schematic structural view of the present invention (filter fibers are filamentous and inside the filter fiber support);
FIG. 5 is a schematic view of the structure of a separate driving part (driven by a servo motor) according to the present invention;
FIG. 6 is a schematic view of the structure of the separation driving part (driven by oil path) of the present invention;
fig. 7 is a schematic view of the structure of the separated driving part (driven by a vibrator or an ultrasonic generator) of the present invention.
In the figure: 1. a separation chamber; 2. an air inlet; 3. an exhaust hole; 4. a filter fiber carrier; 5. filtering the fibers; 6. a primary air passing port; 7. air holes are formed; 8. an oil discharge port of the separation cavity; 9. a middle shaft; 10. a filter fiber carrier oil drain; 11. a middle shaft bearing; 12. a speed reducer; 13. a servo motor; 14. an oil pump; 15. a sealing member; 16. a vibrator; 17. an elastic member; 20. a connecting member.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 7, an oil-gas separation device comprises a separation cavity 1, wherein an air inlet 2 and an air outlet 3 are formed in the cavity wall of the separation cavity 1; a separation component is accommodated in the separation cavity 1 and comprises a filter fiber bearing piece 4, the filter fiber bearing piece is a hollow closed piece, and filter fibers 5 are arranged on the filter fiber bearing piece; the filter fiber bearing piece 4 is provided with a plurality of air holes 7 and at least one main air passing hole 6, the main air passing hole 6 is communicated with the air inlet hole 2 or the air outlet hole 3, and the plurality of air holes 7 are communicated with the inner cavity of the separation cavity 1; and a separation cavity oil drain port 8 is arranged on the separation cavity 1.
The filter fiber holds and is provided with filter fiber and holds carrier oil drain port 10 on the carrier, filter fiber holds carrier oil drain port 10 and separation cavity oil drain port 8 intercommunication.
The filter fiber 5 is filamentous, one end of the filter fiber is fixed with the filter fiber bearing part 4, and the other end of the filter fiber naturally extends.
The filter fiber bearing part 4 is connected with the inner wall of the separation cavity 1 through a central shaft 9.
The separation cavity 1 is in a straight cylinder shape or a cone-barrel shape.
The air inlet 2 is arranged at the bottom of the separation cavity 1, and the air outlet 3 is arranged at the top of the separation cavity 1.
The filter fiber bearing part 4 is in a straight barrel shape or a conical barrel shape, the filter fibers 5 are in a thread shape and are uniformly distributed outside the side wall of the filter fiber bearing part 4, and the air holes 7 are uniformly distributed outside the side wall of the filter fiber bearing part 4; the primary air vents 6 are disposed at the top of the filter fiber carrier 4 and communicate with the exhaust vents 3.
And a separation driving part is arranged in the separation cavity 1.
The separation driving part is a hydraulic system, a motor system or an ultrasonic generator.
The separation driving part is arranged at the bottom of the filter fiber bearing part 4, the filter fiber bearing part is driven by the separation driving part to rotate centrifugally, and the filter fibers rotate centrifugally synchronously.
The separation driving part is arranged at the bottom of the filter fiber bearing part 4, and drives the filter fiber bearing part to shake through the separation driving part, so that the filter fibers shake synchronously.
The filter fiber 5 is any one of oleophobic and hydrophobic material fiber, oleophilic and hydrophilic material fiber and oleophilic and hydrophobic material fiber or the combination of any two or three of the oleophobic and hydrophobic material fiber, the oleophilic and hydrophilic material fiber and the oleophilic and hydrophobic material fiber.
Example 1
The path of the gas flow in the separation chamber 1 comprises the following:
as shown in fig. 1, the general flow direction of the gas may be from bottom to top; the oil mist mixed gas enters the separation cavity 1 from an air inlet 2 at the bottom of the separation cavity 1, then sequentially passes through the filter fiber 5, the air vent 7, the main air vent 6 and the exhaust hole 3 at the upper part of the separation cavity 1 to complete gas-liquid separation, when the oil mist mixed gas meets the filter fiber 5, oil mist liquid drops are blocked, clean gas enters the filter fiber bearing piece 4 through the air vent 7 and is exhausted from the main air vent 6 and the exhaust hole 3.
As shown in fig. 2, the general flow of gas may be from top to bottom; the oil mist mixed gas enters a main air passing port 6 from an air inlet 2 at the upper part of the separation cavity 1. Then the oil mist mixed gas enters a filter fiber bearing piece 4, then the oil mist mixed gas sequentially passes through a breather hole 7, a filter fiber 5 and an exhaust hole 3 at the lower part of a separation cavity 1 to complete gas-liquid separation, when the oil mist mixed gas meets the filter fiber 5, oil mist liquid drops are blocked, and clean gas continuously moves outwards and is exhausted from the exhaust hole 3.
Example 2
The structure of the filter fiber 5 includes the following modes
As shown in the attached drawing 3, the filter fibers 5 are filamentous and arranged on the outer wall of the filter fiber bearing member 4, one end of each filter fiber bearing member is fixed with the filter fiber bearing member 4, the other end of each filter fiber bearing member naturally extends, and oil drops after filtration drop in the separation cavity 1.
Like figure 4, filter fibre 5 is filiform, sets up at filter fibre and holds 4 inner walls of carrier, and one end and filter fibre hold carrier 4 fixedly, and the other end extends naturally, and oil after the filtration drips in filter fibre holds carrier 4, finally holds carrier oil drain port 10, separation cavity oil drain port 8 through filter fibre and discharges.
Example 3
The separation of oil droplets from the filter fibers 5 includes the following:
as shown in fig. 5, a servo motor 13 is arranged at the bottom of the filter fiber carrier 4, the servo motor 13 is in driving connection with a middle shaft 9 through a reducer 12, the middle shaft 9 is in rotating connection with the inner wall of the separation cavity 1 through a middle shaft bearing 11, and a connecting piece 20 is arranged between the middle shaft 9 and the separation cavity 1; the filtering fiber bearing part 4 continuously rotates or intermittently rotates under the driving of the servo motor 13 to drive the filtering fibers 5 to do centrifugal rotation, and oil drops after filtering are thrown and dropped into the separation cavity 1.
As shown in fig. 6, an oil pump 14 is disposed at the bottom of the filter fiber carrier 4, the oil pump 14 is in driving connection with a central shaft 9, the central shaft 9 is rotatably connected with the inner wall of the separation cavity 1 through a central shaft bearing 11, and a connecting member 20 is disposed between the central shaft 9 and the separation cavity 1; the filtering fiber bearing member 4 continuously rotates or intermittently rotates under the drive of the oil pump 14 to drive the filtering fibers 5 to centrifugally rotate, and filtered oil drops are thrown and dropped into the separation cavity 1.
As shown in fig. 7, a vibrator 16 (or an ultrasonic generator) is disposed at the bottom of the filter fiber carrier 4, the vibrator 16 is in driving connection with a central shaft 9, the central shaft 9 is in sliding connection with the separation cavity 1, a sliding hole for accommodating the central shaft 9 to slide is disposed on the separation cavity 1, and a sealing member 15 is disposed at a contact position of the sliding hole and the central shaft 9; the top of the filter fiber bearing part 4 is abutted with the air inlet 2 or the air outlet 3 through the elastic part 17, and the middle shaft 9 vibrates up and down under the driving of the vibrator 16 to drive the filter fiber 5 to do centrifugal rotation, so that oil drops after being filtered are shaken down in the separation cavity 1.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the technical principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the invention.
Claims (12)
1. An oil-gas separation device, which is characterized in that: the device comprises a separation cavity, wherein the cavity wall of the separation cavity is provided with an air inlet and an air outlet; a separation component is accommodated in the separation cavity and comprises a filter fiber bearing piece, the filter fiber bearing piece is a hollow closed piece, and filter fibers are arranged on the filter fiber bearing piece; the filter fiber bearing piece is provided with a plurality of air holes and at least one main air passing hole, the main air passing hole is communicated with an air inlet hole or an air outlet hole, and the plurality of air holes are communicated with the cavity in the separation cavity; and the separation cavity is provided with a separation cavity oil drain port.
2. The oil and gas separation device of claim 1, wherein: the filter fiber holds carrier and is provided with the filter fiber and holds carrier oil drain port on the carrier, the filter fiber holds carrier oil drain port and separation cavity drain port intercommunication.
3. The oil and gas separation device of claim 1, wherein: the filter fiber is filamentous, one end of the filter fiber is fixed with the filter fiber bearing part, and the other end of the filter fiber naturally extends.
4. The oil and gas separation device of claim 1, wherein: the filter fiber bearing piece is connected with the inner wall of the separation cavity through a central shaft.
5. The oil and gas separation device of claim 3, wherein: the separation cavity is in a straight cylinder shape or a cone-barrel shape.
6. The oil and gas separation device of claim 1 or 5, wherein: the air inlet is arranged at the bottom of the separation cavity, and the air outlet is arranged at the top of the separation cavity.
7. The oil and gas separation device of claim 6, wherein: the filter fiber bearing piece is in a straight barrel shape or a conical barrel shape, the filter fibers are in a thread shape and are uniformly distributed outside the side wall of the filter fiber bearing piece, and the air holes are uniformly distributed outside the side wall of the filter fiber bearing piece; the main air passing port is arranged at the top of the filtering fiber bearing piece and communicated with the exhaust hole.
8. The oil and gas separation device of claim 1 or 7, wherein: a separation driving part is arranged in the separation cavity.
9. The oil and gas separation device of claim 8, wherein: the separation driving part is a hydraulic system, a motor system or an ultrasonic generator.
10. The oil and gas separation device of claim 9, wherein: the separation driving part is arranged at the bottom of the filter fiber bearing part, the filter fiber bearing part is driven by the separation driving part to rotate centrifugally, and the filter fibers rotate centrifugally synchronously.
11. The oil and gas separation device of claim 9, wherein: the separation driving part is arranged at the bottom of the filter fiber bearing part, and drives the filter fiber bearing part to shake through the separation driving part, so that the filter fibers shake synchronously.
12. The oil and gas separation device of claim 1, wherein: the filter fiber is any one of oleophobic and hydrophobic material fiber, oleophylic and hydrophilic material fiber and oleophylic and hydrophobic material fiber or the combination of any two or three of the oleophobic and hydrophilic material fiber and the oleophylic and hydrophobic material fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110640812.2A CN113217137A (en) | 2021-06-09 | 2021-06-09 | Oil-gas separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110640812.2A CN113217137A (en) | 2021-06-09 | 2021-06-09 | Oil-gas separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113217137A true CN113217137A (en) | 2021-08-06 |
Family
ID=77083300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110640812.2A Pending CN113217137A (en) | 2021-06-09 | 2021-06-09 | Oil-gas separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113217137A (en) |
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2021
- 2021-06-09 CN CN202110640812.2A patent/CN113217137A/en active Pending
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Effective date of registration: 20231129 Address after: No. 228, Xinzhou Road, Meicun street, Xinwu District, Wuxi City, Jiangsu Province, 214000 Applicant after: China Corelli separation technology Wuxi Co.,Ltd. Address before: 228 Xinzhou Road, Meizhou street, Xinwu District, Wuxi City, Jiangsu Province, 214000 Applicant before: China Corelli separation technology Wuxi Co.,Ltd. Applicant before: Hebei Yili Technology Co.,Ltd. |