CN111997713A - Efficient oil-gas separator - Google Patents
Efficient oil-gas separator Download PDFInfo
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- CN111997713A CN111997713A CN202011055655.0A CN202011055655A CN111997713A CN 111997713 A CN111997713 A CN 111997713A CN 202011055655 A CN202011055655 A CN 202011055655A CN 111997713 A CN111997713 A CN 111997713A
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- Prior art keywords
- gas
- oil
- partition plate
- conical partition
- lower cylinder
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Classifications
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- 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
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- 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
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- 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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- 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
- F01M2013/0461—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a labyrinth
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cyclones (AREA)
Abstract
The invention discloses an efficient oil-gas separator, belongs to the field of oil-gas separators, and solves the problem that the oil-gas separation efficiency of a traditional oil-gas separator is not high. The oil-gas separator comprises an upper cylinder and a lower cylinder which are connected and communicated with each other, wherein a gas guide pipe is arranged in the lower cylinder, an air inlet pipe communicated with the lower cylinder is arranged on the lower cylinder on one side of the gas guide pipe, the air inlet pipe is inserted into one side of the lower cylinder in a tangential manner, an inverted conical partition plate communicated with the gas guide pipe is arranged in the lower cylinder at the top of the gas guide pipe, a plurality of air holes are formed in the outer edge of the lower part of the inverted conical partition plate, an upright conical partition plate communicated with the upper cylinder is arranged on the upper part of the inverted conical partition plate, a gas channel is arranged between the upright conical partition plate and the inverted conical partition plate, and a filter element is; the upper cylinder body is also provided with an air outlet pipe, and the bottom of the lower cylinder body is also provided with an oil return pipe. The oil-gas separator provided by the invention can realize more thorough and efficient oil-gas separation.
Description
Technical Field
The invention relates to an oil-gas separator, in particular to an efficient oil-gas separator.
Background
The oil-gas separator of the engine mainly has the function of discharging high-temperature pressure gas in the crankcase of the engine, so that the pressure in the crankcase is basically equal to the atmospheric pressure, and meanwhile, engine oil is separated from oil gas, and the consumption and leakage of the engine oil are reduced. The existing oil-gas separator mainly has a cyclone type and a labyrinth type structure. The cyclone oil-gas separator utilizes oil-containing mist to enter a cyclone separating tube along the axial direction, airflow rotates along a cylinder, oil drops with high density collide with the wall surface of the cylinder under the action of centrifugal force and gravity, and then the oil drops fall along the wall surface of the separator and flow out of the cyclone cylinder. The labyrinth type oil-gas separator is characterized in that oil mist with high flow velocity enters a labyrinth cavity, collides with a labyrinth baffle and then gradually converges to form heavier oil drops. Oil droplets settle to the tube wall under the action of gravity and accumulate in the oil return line, returning to the crankcase.
With the continuous improvement of the requirements of emission and energy consumption, the efficiency of the existing oil-gas separator cannot meet the related requirements. Therefore, the development and design of a more efficient oil-gas separator are urgently needed.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and aims to provide an efficient oil-gas separator which can realize more thorough and efficient oil-gas separation.
The technical scheme of the invention is as follows: a high-efficiency oil-gas separator comprises an upper cylinder and a lower cylinder which are connected and communicated with each other, wherein a gas guide pipe is arranged in the lower cylinder, a gas inlet pipe communicated with the lower cylinder is arranged on the lower cylinder on one side of the gas guide pipe, the gas inlet pipe is inserted into one side of the lower cylinder in a tangential manner, an inverted conical partition plate communicated with the gas guide pipe is arranged in the lower cylinder at the top of the gas guide pipe, a plurality of vent holes are formed in the outer edge of the lower part of the inverted conical partition plate, an upright conical partition plate communicated with the upper cylinder is arranged on the upper part of the inverted conical partition plate, a vent channel is arranged between the upright conical partition plate and the inverted conical partition plate, and a filter element is; the upper cylinder body is also provided with an air outlet pipe, and the bottom of the lower cylinder body is also provided with an oil return pipe.
As a further improvement, the inverted conical partition plate is connected with the lower barrel through a circular partition plate, the air guide pipe is connected with the circular partition plate, and the air guide pipe penetrates through the circular partition plate and is communicated with the inverted conical partition plate.
Further, one end with the largest diameter of the vertical conical partition plate is connected with the top of the lower cylinder, and one end with the smallest diameter of the vertical conical partition plate extends to the inner side of the air hole.
Furthermore, the upper barrel is transversely arranged, the lower barrel is vertically arranged below the middle part of the upper barrel, and the bottom of the lower barrel is of a conical structure.
Furthermore, an end cover for compressing the filter element is arranged at one end of the upper cylinder body, which is opposite to the air outlet pipe, and the end cover is connected with the upper cylinder body through a bolt.
Furthermore, the outer side of the lower cylinder body is also provided with a mounting bracket which is an L-shaped bracket.
Further, the lower cylinder body is also provided with an explosion-proof pressure release valve.
Advantageous effects
Compared with the prior art, the invention has the following advantages:
1. according to the oil-gas separator, when oil gas enters, the oil gas enters along the tangential direction of the lower cylinder, flows upwards from the middle of the lower cylinder, sequentially passes through the inverted conical partition plate and the vertical conical partition plate, and is filtered and discharged through the filter element of the upper cylinder, so that the oil gas is subjected to three-layer separation and filtration, namely cyclone filtration, labyrinth filtration and separation filter element filtration, the characteristic that the flow velocity of the air flow entering the separator is high at the most is ingeniously utilized, the first-stage filtration adopts cyclone type, then a vertical labyrinth-like structure is adopted, the oil gas is enabled to upwards impact the wall surface, meanwhile, oil drops naturally flow down under the action of gravity, and finally the filter element filtration and separation are carried out, the conditions of the air flow are fully and reasonably utilized, the oil-gas separator structure is combined, the separation efficiency is improved.
2. The filter element is pressed by the end cover, and the end cover is connected by the bolt, so that the filter element is convenient to disassemble, assemble and maintain and very convenient to use; meanwhile, the filter element is arranged in the upper cylinder body and is positioned at the tail end of the separator, and when oil gas finally passes through the filter element, oil drops with large particles are few, so that the maintenance period of the filter element can be prolonged, and the labor intensity and the maintenance cost are further reduced.
3. According to the invention, the explosion-proof relief valve is arranged on the lower cylinder body, so that when the pressure entering the oil-gas separator or the internal air pressure of the oil-gas separator is increased due to reasons, the oil-gas separator is subjected to pressure relief in time through the explosion-proof relief valve to discharge gas, thereby protecting the oil-gas separator, achieving an explosion-proof effect and improving the use safety of the oil-gas separator.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic cross-sectional structure of the present invention.
Wherein: 1-upper cylinder body, 2-lower cylinder body, 3-gas guide tube, 4-gas inlet tube, 5-inverted cone-shaped clapboard, 6-gas vent, 7-vertical cone-shaped clapboard, 8-gas channel, 9-filter element, 10-gas outlet tube, 11-oil return tube, 12-circular clapboard, 13-end cover, 14-mounting bracket and 15-explosion-proof pressure relief valve.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-2, the invention relates to a high-efficiency oil-gas separator, which comprises an upper cylinder body 1 and a lower cylinder body 2 which are connected and communicated with each other, wherein a gas guide tube 3 is arranged in the lower cylinder body 2, an air inlet tube 4 communicated with the lower cylinder body 2 is arranged on the lower cylinder body 2 on one side of the gas guide tube 3, the air inlet tube 4 is inserted on one side of the lower cylinder body 2 in a tangential manner, so that oil gas can enter along the tangential direction of the lower cylinder body 2 to form a rotating airflow, an inverted conical partition plate 5 communicated with the gas guide tube 3 is arranged in the lower cylinder body 2 on the top of the gas guide tube 3, namely, the inverted conical partition plate 5 is a conical plate with a narrow upper part and a wide lower part, the top of the inverted conical partition plate 5 is closed, the oil gas impacts the inner wall of the inverted conical partition plate 5 to realize oil-gas separation, a plurality of vent holes, the upper part of the inverted conical partition plate 5 is provided with an upright conical partition plate 7 communicated with the upper barrel 1, namely the upright conical partition plate 7 is a conical plate with a narrow lower part and a wide upper part, the bottom of the upright conical partition plate 7 is provided with an opening, an air duct 8 is arranged between the upright conical partition plate 7 and the inverted conical partition plate 5 so as to facilitate oil gas to flow to the upper barrel 1, a filter element 9 is arranged in the upper barrel 1, and the filter element 9 adopts a fine filtering material, so that the characteristics of high filtering efficiency, good trafficability and no influence on the flow of air flow are achieved; an air outlet pipe 10 is further arranged on the upper cylinder body 1, separated gas is discharged through the air outlet pipe 10, and an oil return pipe 11 is further arranged at the bottom of the lower cylinder body 2 and can return separated oil to an engine crankcase.
When the oil-gas separator is used, oil gas enters from the gas inlet pipe 4 along the lower cylinder 2 in a tangent mode to form a rotating airflow, the oil gas sinks downwards under the action of gravity by utilizing the cyclone separation principle and continuously collides with the wall surface of the lower cylinder 2 under the action of centrifugal force, so that oil drops are adhered to the wall surface, and the primary separation of the oil gas is realized; after the oil gas sinks for a certain distance, the oil gas continuously moves upwards from the middle gas guide pipe 3, when the oil gas moves to the inverted conical partition plate 5, the oil gas is forced to change the direction and collide with the inverted conical partition plate 5, oil drops in the oil gas collide with the inverted conical partition plate 5 and then adhere to the wall surface to gradually form oil drops, the oil gas continuously flows and is ejected out through the air holes 6 to shoot between the outer wall surface of the upright conical partition plate 7 and the inner wall of the lower cylinder 2, the oil gas continuously adheres to the wall surface due to the fact that the air flow direction is changed again through obstruction of the upright conical partition plate 7, the oil gas collides with the wall surface, the oil drops in the oil gas are gradually condensed to form oil drops; after cyclone separation and collision separation, relatively large oil gas particles are reduced to a great extent, and in order to achieve a higher separation effect, oil gas passes through the filter element 9 and the finer filter element 9, and engine oil in the oil gas is filtered as much as possible.
Preferably, the inverted conical partition plate 5 is connected with the lower cylinder 2 through the annular partition plate 12, wherein the air duct 3 is connected with the annular partition plate 12, and the air duct 3 passes through the annular partition plate 12 to be communicated with the inverted conical partition plate 5, so that the inverted conical partition plate 5 and the air duct 3 can be conveniently installed, and oil drops can be ensured to drip through the air duct 3 and flow back to the return pipe 11.
Preferably, the maximum diameter end of the vertical conical partition plate 7 is connected with the top of the lower cylinder 2, and the minimum diameter end of the vertical conical partition plate 7 extends to the inner side of the air hole 6, so that oil gas sprayed out of the air hole 6 can impact the outer wall surface of the vertical conical partition plate 7 to form oil gas collision separation.
Preferably, the upper barrel 1 is transversely arranged, the lower barrel 2 is vertically arranged below the middle part of the upper barrel 1, the filter element 9 is positioned at the tail end of the separator, and when oil gas finally passes through the filter element 9, oil drops of large particles are few, so that the maintenance period of the filter element can be prolonged, the labor intensity and the maintenance cost are further reduced, and the bottom of the lower barrel 2 is of a conical structure, so that the oil drops can be conveniently collected to the return pipe 11.
Preferably, be equipped with the end cover 13 that compresses tightly filter core 9 in last barrel 1 with the opposite one end of outlet duct 10, end cover 13 passes through the bolt and is connected with last barrel 1 for filter core 9 is detachable mounting structure, and the dismouting of being convenient for is maintained, and it is very convenient to use.
Preferably, the outer side of the lower cylinder body 2 is further provided with a mounting bracket 14, the mounting bracket 14 is an L-shaped bracket, and the whole oil-gas separator is connected with the engine through the mounting bracket 14, so that the oil-gas separator can be conveniently mounted.
Preferably, the lower cylinder 2 is further provided with an explosion-proof pressure relief valve 15, when the pressure entering the oil-gas separator or the internal pressure of the oil-gas separator is increased due to reasons, the oil-gas separator is subjected to pressure relief through the explosion-proof pressure relief valve in time to discharge gas, so that the oil-gas separator is protected, an explosion-proof effect is achieved, and the use safety of the oil-gas separator is improved.
According to the oil-gas separator, when oil gas enters, the oil gas enters along the tangential direction of the lower cylinder body 2, flows upwards from the middle of the lower cylinder body 2, then sequentially passes through the inverted conical partition plate 5 and the upright conical partition plate 7, and is filtered and discharged through the filter element 9 of the upper cylinder body 1, so that the oil gas is subjected to three-layer separation and filtration, namely cyclone filtration, labyrinth filtration and separation filter element filtration, the characteristic that the flow velocity of the air flow entering the separator is high is ingeniously utilized, the first-stage filtration adopts cyclone type, then a vertical labyrinth-like structure is adopted, the oil gas is enabled to upwards impact the wall surface, meanwhile, oil drops naturally flow under the action of gravity, and finally the filter element 9 is used for filtration and separation, the condition of the air flow is fully and reasonably utilized, the oil-gas separator structure is combined, the separation efficiency is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the invention, which will not affect the effect of the invention and the practicability of the patent.
Claims (7)
1. The efficient oil-gas separator is characterized by comprising an upper barrel body (1) and a lower barrel body (2) which are connected and communicated with each other, wherein a gas guide pipe (3) is arranged in the lower barrel body (2) at one side of the gas guide pipe (3), an air inlet pipe (4) communicated with the lower barrel body (2) is arranged on the lower barrel body (2) at one side of the gas guide pipe (3), the air inlet pipe (4) is tangentially inserted into one side of the lower barrel body (2), an inverted conical partition plate (5) communicated with the gas guide pipe (3) is arranged in the lower barrel body (2) at the top of the gas guide pipe (3), a plurality of air holes (6) are formed in the outer edge of the lower part of the inverted conical partition plate (5), an upright conical partition plate (7) communicated with the upper barrel body (1) is arranged on the upper part of the inverted conical partition plate (5), and an air channel (, a filter element (9) is arranged in the upper cylinder body (1); the upper cylinder body (1) is further provided with an air outlet pipe (10), and the bottom of the lower cylinder body (2) is further provided with an oil return pipe (11).
2. A high efficiency oil-gas separator as claimed in claim 1, wherein the inverted conical partition (5) is connected with the lower cylinder (2) through a circular partition (12), the gas guide pipe (3) is connected with the circular partition (12), and the gas guide pipe (3) passes through the circular partition (12) and is communicated with the inverted conical partition (5).
3. A high efficiency oil and gas separator as claimed in claim 1, wherein the maximum diameter end of the vertical conical partition (7) is connected with the top of the lower cylinder (2), and the minimum diameter end of the vertical conical partition (7) extends to the inside of the gas permeable hole (6).
4. A high efficiency oil and gas separator as claimed in claim 1, wherein the upper cylinder (1) is transversely arranged, the lower cylinder (2) is vertically arranged below the middle part of the upper cylinder (1), and the bottom of the lower cylinder (2) is of a conical structure.
5. A high-efficiency oil-gas separator as claimed in any one of claims 1 to 4, wherein an end cover (13) for pressing the filter element (9) is arranged at the end of the upper cylinder (1) opposite to the gas outlet pipe (10), and the end cover (13) is connected with the upper cylinder (1) through a bolt.
6. A high-efficiency oil-gas separator as claimed in claim 5, wherein a mounting bracket (14) is further arranged outside the lower cylinder (2), and the mounting bracket (14) is an L-shaped bracket.
7. A high-efficiency oil-gas separator as claimed in claim 5, wherein the lower cylinder (2) is further provided with an explosion-proof pressure relief valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011055655.0A CN111997713A (en) | 2020-09-30 | 2020-09-30 | Efficient oil-gas separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011055655.0A CN111997713A (en) | 2020-09-30 | 2020-09-30 | Efficient oil-gas separator |
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| Publication Number | Publication Date |
|---|---|
| CN111997713A true CN111997713A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011055655.0A Pending CN111997713A (en) | 2020-09-30 | 2020-09-30 | Efficient oil-gas separator |
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| CN (1) | CN111997713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023161106A1 (en) * | 2022-02-25 | 2023-08-31 | Grimaldi Development Ab | A crankcase ventilation system |
-
2020
- 2020-09-30 CN CN202011055655.0A patent/CN111997713A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023161106A1 (en) * | 2022-02-25 | 2023-08-31 | Grimaldi Development Ab | A crankcase ventilation system |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230109 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Applicant after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Applicant before: Guangxi Yuchai Machinery Co.,Ltd. |
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