CN214145616U - Oil-gas separator for crankcase ventilation pipe - Google Patents
Oil-gas separator for crankcase ventilation pipe Download PDFInfo
- Publication number
- CN214145616U CN214145616U CN202023192487.8U CN202023192487U CN214145616U CN 214145616 U CN214145616 U CN 214145616U CN 202023192487 U CN202023192487 U CN 202023192487U CN 214145616 U CN214145616 U CN 214145616U
- Authority
- CN
- China
- Prior art keywords
- separator
- gas
- oil
- cavity
- crankcase ventilation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 52
- 239000011148 porous material Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 abstract description 11
- 230000009471 action Effects 0.000 abstract description 10
- 239000003921 oil Substances 0.000 description 35
- 238000005192 partition Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Separating Particles In Gases By Inertia (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to an oil and gas separator for crankcase ventilation pipe, including the separator casing, be equipped with the orifice plate in the cavity of separator casing, the orifice plate will the chamber of admitting air and the chamber of giving vent to anger are cut apart into to the cavity of separator casing, the chamber of admitting air is equipped with the air inlet, it is equipped with the gas outlet to go out the gas chamber, it is equipped with the rotatory separation baffle that is used for oil and gas separation to go out the intracavity, the separator casing is in the lower part of orifice plate is equipped with the oil-out. The oil-gas mixture enters from the air inlet of the air inlet cavity of the separator shell, and is rushed out of the pore plate at a high speed when encountering the pore plate, and is sprayed to the rotary separation baffle to collide with the rotary separation baffle, oil drops are captured by the baffle, the oil drops are thrown out of the radial outer side of the separator under the action of rotary centrifugal force, the thrown-off oil drops flow back to an oil outlet along the wall surface of the cavity, and the separated gas is discharged from the air outlet of the air outlet cavity. The utility model discloses set up rotatory separation baffle for oil-gas separation efficiency.
Description
Technical Field
The utility model relates to an engine field, concretely relates to oil and gas separator for crankcase ventilation pipe.
Background
During engine operation, exhaust gas, unburned mixture, water vapor, and the like in the combustion chamber tend to permeate into the crankcase through the piston-cylinder wall clearance. If these substances are directly discharged into the atmosphere, a large amount of oil droplets are easily carried away, which results in high oil consumption and environmental pollution. Therefore, an oil-gas separator is required to be connected in series in a crankcase ventilation pipeline to ensure that liquid engine oil is separated and reintroduced into an oil pan. With the improvement of the environmental protection requirement of the engine, the requirement of the separation efficiency of the oil-gas separator is increasingly improved.
At present, the oil-gas separator adopts a labyrinth type, a cyclone type, a filter element type, an electrostatic type and other structures. The oil-gas mixture with higher flow velocity in the labyrinth separator impacts a labyrinth plate, is gradually gathered into heavier oil drops, is precipitated to an oil return pipe under the action of gravity and flows back to a crankcase, the separator generally needs larger space, the mixture needs a longer stroke and fully impacts with a wall surface, and the separation efficiency of the separator is reduced along with the development of miniaturization and integration of an engine; the oil-gas mixture in the cyclone separator is strongly rotated under the guide action of the guide vanes, oil drops with high density are thrown to the wall of the separator under the action of centrifugal force and fall into an oil drop shell along the wall surface of the separator under the action of gravity, the cyclone structure is simpler, but the oil-gas separation efficiency is lower, and the filter element type and electrostatic type oil-gas separators have higher separation efficiency but higher manufacturing and using cost.
Patent CN106811229A discloses an oil-gas separator, which comprises a closed container, the inside of the container is divided into two or more isolated chambers by one or more partition plates, a micro channel is provided between every two adjacent isolated chambers, an inlet pipeline is provided above the partition plate at the lowest part of the container, the inlet pipeline is communicated with the outside of the container, an outlet pipeline is provided above the partition plate at the uppermost part of the container, the outlet pipeline is communicated with the outside of the container, an outlet pipeline is provided at the lower part of the container, a partition plate is provided in the container, oil-gas separation is performed after an oil-gas mixture enters the container under the blocking of the partition plate, liquid oil is discharged from the outlet pipeline at the lower part under the action of self weight, and the separated gas passes through the partition plate upwards under the action of heat and is discharged through the outlet pipeline, however, because the oil-gas separator only depends on the blocking action of the partition plate, oil drops are separated through a collision principle, the separation principle is single, the analysis effect on the oil drops with small particle diameters is general, and the separation efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an oil and gas separator for crankcase ventilation pipe in order to solve the lower problem of current oil and gas separator oil-gas separation efficiency.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an oil and gas separator for crankcase ventilation pipe, includes the separator casing, be equipped with the orifice plate in the cavity of separator casing, the orifice plate will the cavity of separator casing is split into admit air chamber and go out the air cavity, the chamber of admitting air is equipped with the air inlet, it is equipped with the gas outlet to go out the air cavity, it is equipped with the rotatory separation baffle that is used for oil and gas separation to go out the air cavity, the separator casing is in the lower part of orifice plate is equipped with the oil-out.
The oil-gas mixture enters from the air inlet of the air inlet cavity of the separator shell, and is rushed out of the pore plate at a high speed when encountering the pore plate, and is sprayed to the rotary separation baffle to collide with the rotary separation baffle, oil drops are captured by the baffle, the oil drops are thrown out of the radial outer side of the separator under the action of rotary centrifugal force, the thrown-off oil drops flow back to an oil outlet along the wall surface of the cavity, and the separated gas is discharged from the air outlet of the air outlet cavity. The utility model discloses set up rotatory separation baffle for oil-gas separation efficiency.
Further, the rotating separation baffle is composed of a plurality of rotating blades, the rotating blades are installed on a rotating shaft, and the rotating shaft is connected with the driving mechanism.
Further, the driving mechanism is a motor, and the motor drives the rotating blades to rotate rapidly.
Further, the rotary blades are installed on the rotary shaft to be inclined in a radial direction.
Further, the surface of the rotating blade is provided with a plurality of rows of tooth-shaped structures in the direction facing the orifice plate.
Furthermore, the tooth-shaped structure is a fine bump arranged on the surface of the rotating blade, and the oil-gas separation efficiency can be further accelerated by the tooth-shaped structure.
Further, the separator shell is of a cylindrical structure, and the orifice plate is horizontally and fixedly installed in the separator shell.
Furthermore, the pore plate is provided with a plurality of fine vent channels, and the vent channels are arranged relative to the rotary separation baffle.
Further, the separator housing is larger in diameter at an upper portion than at a lower portion of the orifice plate.
Further, the air inlet cavity is located the lower part of the air outlet cavity, the air inlet is formed in the bottom end of the side wall of the separator shell and used for tangentially feeding air, and the air outlet is formed in the middle of the axial end of the separator shell.
This oil-gas mixture gets into the separator by the air inlet after, through the orifice plate, because flow area reduces rapidly, therefore the flow velocity improves rapidly, and the mixture is behind the orifice plate to on the separation baffle is strikeed to high speed, the separation baffle is fast rotating member, and oil drips and is got rid of to the separator wall by rotatory centrifugal force, and the surface distribution of separation baffle has dentate structure, and this structure can effectively increase the area of collision, improves separation efficiency. The separated oil drops are discharged from the oil outlet along the wall surface, and the separated gas is discharged from the gas outlet of the separator.
The specific working principle of the oil-gas separator is that an oil-gas mixture enters from an air inlet of the oil-gas separator, meets a pore plate, rushes out from a plurality of pores on the pore plate at a high speed, is sprayed to a rotary separation baffle and collides with the rotary separation baffle, and oil drops are captured by the baffle. The separation baffle comprises a plurality of rotating blades, and the structure possesses external power supply driving force, makes it rotate fast, and the tooth-like structure of a plurality of rows is arranged on the blade surface, and oil drips and throws out to the radial outside of separator under the effect of rotatory centrifugal force, and the oil drips of throwing off flow back to the oil-out along the wall, and the gas through the separation flows out from the separator gas outlet.
This oil and gas separator sets up rotary part on the basis of collision separation principle, and the compound centrifugal separation effect that increases, the great oil of granule drop separate through the collision principle, and the less oil of granule drops because centrifugal action, also can have fine separation effect, and the surface distribution of separation baffle has dentate structure, can effectively increase the collision area, increases separation efficiency.
Compared with the prior art, the utility model has the advantages of it is following:
1. the structure is simple: the separator is compact.
2. The separation efficiency is high: the rotating vane baffle can effectively utilize centrifugal force to separate oil drop particles, and meanwhile, due to the tooth-shaped structure on the vane baffle, the collision area is effectively increased, the separation efficiency is improved, the phenomenon that an automobile burns engine oil is reduced, and the environmental pollution is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an oil-gas separator for a crankcase ventilation pipe according to the present invention;
in the figure: 1-air inlet, 2-pore plate, 3-rotary separation baffle, 4-dentate structure, 5-oil outlet, 6-air outlet, 7-separator shell and 8-rotary shaft.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the oil-gas separator for the crankcase ventilation pipe comprises a separator shell 7, wherein a pore plate 2 is arranged in a cavity of the separator shell 7, the pore plate 2 divides the cavity of the separator shell 7 into an air inlet cavity and an air outlet cavity, the air inlet cavity is provided with an air inlet 1, the air outlet cavity is provided with an air outlet 6, a rotary separation baffle 3 for oil-gas separation is arranged in the air outlet cavity, and an oil outlet 5 is arranged at the lower part of the pore plate of the separator shell.
The rotating separation baffle 3 of the present embodiment is composed of a plurality of rotating blades, the rotating blades are installed on a rotating shaft 8, the rotating shaft 8 is installed in the middle of the oil-gas separator, the rotating shaft 8 is connected with a driving mechanism, the driving mechanism can adopt a motor, the motor drives the rotating blades to rotate rapidly, the rotating blades are installed on the rotating shaft 8 in a radial inclined manner, a plurality of rows of tooth-shaped structures 4 are arranged on the surfaces of the rotating blades in the direction facing the orifice plate, and the tooth-shaped structures 4 are fine bumps arranged on the surfaces of the rotating blades.
The specific working process is that the oil-gas mixture enters from the air inlet 1 of the oil-gas separator, and is rushed out from a plurality of holes on the pore plate 2 at a high speed when encountering the pore plate 2, and is jetted to the rotary separation baffle 3 to collide with the rotary separation baffle, so that oil drops are captured by the baffle. The separation baffle 3 is composed of a plurality of rotating blades, the structure has external power supply driving force to enable the separation baffle to rotate rapidly, a plurality of rows of tooth-shaped structures 4 are arranged on the surfaces of the blades (in the direction facing the pore plate), oil drops are thrown out of the radial outer side of the separator under the action of rotating centrifugal force, the rotating blades are in a radial inclined shape as shown in figure 1, the thrown oil drops flow back to an oil outlet 5 along the wall surface, and separated gas flows out of an air outlet 6 of the separator. The utility model discloses set up the rotation separation baffle, the dentate structure can further accelerate oil-gas separation efficiency for oil-gas separation efficiency.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. An oil-gas separator for a crankcase ventilation pipe comprises a separator shell, a pore plate is arranged in a cavity of the separator shell, the pore plate divides the cavity of the separator shell into an air inlet cavity and an air outlet cavity, the air inlet cavity is provided with an air inlet, the air outlet cavity is provided with an air outlet,
the separator is characterized in that a rotary separation baffle for oil-gas separation is arranged in the gas outlet cavity, and an oil outlet is formed in the lower portion of the pore plate of the separator shell.
2. A gas-oil separator for a crankcase ventilation line according to claim 1 wherein said rotating separator plate is comprised of a plurality of rotating vanes mounted on a rotating shaft, said rotating shaft being connected to a drive mechanism.
3. A gas-oil separator for a crankcase ventilation line according to claim 2 wherein the drive mechanism is an electric motor which drives the rotary vanes to rotate rapidly.
4. A gas-oil separator for a crankcase ventilation line according to claim 2 wherein said rotating vanes are radially tiltably mounted on said rotating shaft.
5. A gas oil separator for a crankcase ventilation manifold as claimed in claim 4 wherein said rotating vane surface is provided with rows of teeth in a direction facing said orifice plate.
6. A gas-oil separator as claimed in claim 5 wherein said teeth are fine bumps provided on the surface of said rotating vanes.
7. A gas-oil separator for a crankcase ventilation line according to claim 1 wherein the separator housing is a cylindrical structure and the orifice plate is horizontally and fixedly mounted within the separator housing.
8. A gas and oil separator as claimed in claim 7 wherein said orifice plate is provided with a plurality of fine breather holes disposed opposite said rotating separator plate.
9. A gas oil separator for a crankcase ventilation line according to claim 7 wherein the separator housing is larger in diameter at an upper portion than at a lower portion of the orifice plate.
10. A gas-oil separator as claimed in claim 7 wherein the gas inlet chamber is located at the lower portion of the gas outlet chamber, the gas inlet is located at the bottom end of the side wall of the separator housing and is tangential to the gas inlet, and the gas outlet is located at the middle of the axial end of the separator housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023192487.8U CN214145616U (en) | 2020-12-27 | 2020-12-27 | Oil-gas separator for crankcase ventilation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023192487.8U CN214145616U (en) | 2020-12-27 | 2020-12-27 | Oil-gas separator for crankcase ventilation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214145616U true CN214145616U (en) | 2021-09-07 |
Family
ID=77541640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023192487.8U Expired - Fee Related CN214145616U (en) | 2020-12-27 | 2020-12-27 | Oil-gas separator for crankcase ventilation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214145616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109560A (en) * | 2021-11-05 | 2022-03-01 | 王良瑞 | Double-cylinder engine crankcase |
| CN114264796A (en) * | 2021-12-29 | 2022-04-01 | 国网浙江省电力有限公司嘉兴供电公司 | Gas detection device, control system and control method in transformer oil |
-
2020
- 2020-12-27 CN CN202023192487.8U patent/CN214145616U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109560A (en) * | 2021-11-05 | 2022-03-01 | 王良瑞 | Double-cylinder engine crankcase |
| CN114264796A (en) * | 2021-12-29 | 2022-04-01 | 国网浙江省电力有限公司嘉兴供电公司 | Gas detection device, control system and control method in transformer oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214145616U (en) | Oil-gas separator for crankcase ventilation pipe | |
| CN110700920B (en) | Active oil-gas separator | |
| CN207695009U (en) | A kind of cyclone separator | |
| CN114432795A (en) | Gas-liquid separator for methanol fuel cell tail gas | |
| CN105484973A (en) | Cyclone oil-gas separator | |
| CN211302504U (en) | Multi-air-duct comprehensive dust removal system | |
| CN218509568U (en) | Oil-gas separator and engine system | |
| CN213392460U (en) | Side-feeding and ejection type oil-gas separator | |
| US3969093A (en) | Cyclonic gas scrubbing system | |
| CN211314318U (en) | Oil-gas separator | |
| CN101915164B (en) | Air inlet particle separating device for gas turbine | |
| CN112439557B (en) | Cyclone dust collector capable of compensating wind speed | |
| CN212719920U (en) | Kitchen oil fume gas-liquid mixing separator | |
| CN110067679B (en) | Desert air filter | |
| CN201454344U (en) | Detachable combination filter separator | |
| CN101363344B (en) | Oil-gas separating device for engine | |
| CN111997713A (en) | Efficient oil-gas separator | |
| CN210217860U (en) | Blade type engine oil centrifugal filtering cleaning device applied to heavy diesel engine | |
| CN201524510U (en) | Combined type filtering separator | |
| CN109915871A (en) | A kind of kitchen ventilator efficiently separated based on hypergravity and its application | |
| CN212359905U (en) | Efficient oil-gas separator | |
| CN217613807U (en) | Circular mechanical oil mist purifier | |
| CN219764764U (en) | Gas-liquid separator | |
| CN220081560U (en) | Combined air coarse filter | |
| CN218269669U (en) | Novel oil separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |