CN111980779A - Centrifugal oil-gas separator - Google Patents
Centrifugal oil-gas separator Download PDFInfo
- Publication number
- CN111980779A CN111980779A CN202010930098.6A CN202010930098A CN111980779A CN 111980779 A CN111980779 A CN 111980779A CN 202010930098 A CN202010930098 A CN 202010930098A CN 111980779 A CN111980779 A CN 111980779A
- Authority
- CN
- China
- Prior art keywords
- chamber
- shell
- cavity
- centrifugal separation
- breach
- 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.)
- Pending
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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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
- F01M2013/0427—Separating oil and gas with a centrifuge device the centrifuge device having no rotating part, e.g. cyclone
Abstract
The invention relates to a centrifugal oil-gas separator, which comprises a shell and is characterized in that: one end of the shell forms an open-ended treatment cavity, a cover plate is arranged at the opening of the treatment cavity, the treatment cavity is divided into a first cavity, a second cavity, a third cavity, a fourth cavity, a fifth cavity and a sixth cavity by a first enclosing plate, a second enclosing plate, a fourth enclosing plate, a fifth enclosing plate and a sixth enclosing plate, a fourth notch is arranged at one end of the sixth enclosing plate, which is far away from the first cavity, an activated carbon connecting pipe is arranged at the fourth notch, and an activated carbon tank is connected at the activated carbon connecting pipe, so that the invention has the beneficial effects that: when the engine stops working after working for a period of time, gasoline steam enters the activated carbon canister through the activated carbon canister connecting pipe and is discharged into the atmosphere after being filtered, so that the environment is prevented from being polluted.
Description
Technical Field
The invention relates to the field of oil-gas separators, in particular to a centrifugal oil-gas separator.
Background
The automobile engine is provided with the oil-gas separator which is used for efficiently separating engine oil in blow-by gas of the crankcase, when the automobile engine operates normally, a part of unburned combustible mixed gas and combustion waste gas in the cylinder enter the crankcase, the blow-by gas can raise the temperature in the crankcase, and the evaporation capacity of the engine oil in the oil pan is increased.
Because the lubrication of some parts in the crankcase adopts splash lubrication, when the oil mist generated by the splash lubrication in the crankcase and the evaporated oil steam at high temperature are mixed with the blowby gas of the cylinder, the ultra-fine aerosol with most of the particle size smaller than 1 mm can be formed, the oil-gas mixture in the blowby gas of the crankcase is formed, the oil-gas separator is used for effectively separating oil from gas, and when the turbine of the engine is not started, the gas passing through the oil-gas separator is sucked into the air inlet manifold by the negative pressure of the pipeline and enters the combustion chamber for combustion.
However, when the existing oil-gas separator stops working after the engine works for a period of time, gasoline steam in the oil separator and the crankshaft can be directly discharged into the atmosphere to pollute the air, which is not beneficial to environmental protection.
Disclosure of Invention
The technical problem to be solved by the present invention is to solve the above-mentioned deficiencies of the prior art,
provided is a centrifugal oil-gas separator.
In order to achieve the purpose, the invention provides the following technical scheme: the centrifugal oil-gas separator comprises a shell, and is characterized in that: an open-ended treatment chamber is formed at one end of the shell, a cover plate is installed at an opening of the treatment chamber, the treatment chamber is separated into a first chamber, a second chamber, a third chamber, a fourth chamber, a fifth chamber and a sixth chamber through a first surrounding plate, an air inlet is formed in the position of the cover plate in the first chamber, a first opening communicated with the second chamber is formed in one side of the first surrounding plate, a first notch communicated with the bottom of the shell is formed in one end, far away from the first opening, of the second surrounding plate, a centrifugal separation cavity is formed in the position, close to the first notch, of the shell, a centrifugal separation piece is installed in the centrifugal separation cavity, a crankcase connecting piece connected with the crankcase is arranged at the position, corresponding to the first notch, the second chamber and the third chamber, of the other end, opposite to the opening, of the shell, offer the second breach with the crankcase connecting piece intercommunication on the third chamber, the casing other end is provided with the pressure regulating chamber in the corresponding department of first chamber, second chamber, third chamber, fourth chamber, install the air-vent valve in the pressure regulating chamber, the third breach with sixth chamber intercommunication is offered in the pressure regulating chamber, the casing other end is equipped with first check valve in the corresponding position of sixth chamber, sixth bounding wall is close to third breach department and is equipped with the sixth bounding wall breach that communicates with the third breach, the one end that sixth bounding wall was kept away from to fifth bounding wall is installed the second check valve, the one end that first chamber was kept away from to sixth bounding wall is equipped with the fourth breach, fourth breach department is equipped with the active carbon connecting pipe, and active carbon connecting pipe department is connected with the active carbon jar.
By adopting the technical scheme, the working principle of the invention is as follows: the mixed gas of the engine oil steam and the gasoline steam enters a first cavity of a processing cavity through an air inlet opening of a cover plate, the mixed gas enters a second cavity through a first opening of a first enclosing plate and then enters a centrifugal separation cavity through a first gap to form spiral airflow through a centrifugal separation part for separation, the engine oil in the mixed gas is gathered on the inner wall of the centrifugal separation cavity under the action of centrifugal force and returns to a crankcase from a crankcase connecting piece under the action of gravity, most of the separated gas is the gasoline steam and less bright engine oil steam continuously enters a pressure regulating valve of a pressure regulating cavity through a second gap, the engine oil steam is further separated and re-separated gasoline steam is pumped and combusted by natural air suction or turbocharging, when an air inlet manifold belongs to a natural air suction state, a first one-way valve is opened, a second one-way valve is closed, namely the gasoline steam enters a sixth cavity through a third gap and is pumped through the first one-way valve, when the air inlet manifold belongs to a turbocharging state, the first one-way valve is closed, the second one-way valve is opened, namely gasoline steam enters the second one-way valve communicated with the fifth cavity through the fourth notch and is pumped away by the second one-way valve, when the engine stops working after working for one end time, the first one-way valve and the second one-way valve are both in a closed state, and the gasoline steam enters the activated carbon tank through the activated carbon connecting pipe to prevent the gasoline steam from being directly discharged into the atmosphere to pollute the air.
The centrifugal oil-gas separator can be further configured as follows: the centrifugal separation piece is close to the centrifugal separation chamber and is the hourglass hopper-shaped that the diameter diminishes gradually to the direction of keeping away from the centrifugal separation chamber, first oil return hole has been seted up at centrifugal separation piece top, the second oil return hole has been seted up on the crankcase connecting piece.
Adopt above-mentioned technical scheme, the gas mixture gets into the second chamber rethread first breach entering centrifugal separation chamber through the first opening of first bounding wall and forms the spiral air current through centrifugal separation piece and separate, under the effect of centrifugal force, machine oil in the gas mixture will gather on the inner wall in centrifugal separation chamber, get back to the crankcase from the second oil gallery that sets up on the crankcase connecting piece under the effect of gravity in, another part is directly collected and is located to flow to the oil pan through the second oil gallery in centrifugal separation chamber.
The centrifugal oil-gas separator can be further configured as follows: the pressure regulating valve is connected with the shell through a spring, two ends of the spring are respectively and fixedly connected with the pressure regulating valve and the shell, and the shell is provided with vent holes communicated with the outside at the corresponding positions of the pressure regulating valve.
The centrifugal oil-gas separator can be further configured as follows: the aperture of the first oil return hole is 2 mm.
The invention has the beneficial effects that: when the engine stops working after working for a period of time, gasoline steam enters the activated carbon canister through the activated carbon canister connecting pipe and is discharged into the atmosphere after being filtered, so that the environment is prevented from being polluted.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view 1 of an embodiment of the present invention.
Fig. 2 is a schematic perspective view 2 of an embodiment of the present invention.
Fig. 3 is a schematic diagram 1 of the internal structure of the embodiment of the present invention with the cover plate removed.
Fig. 4 is a schematic diagram of the internal structure of the embodiment of the invention with the cover plate removed 2.
Detailed Description
Referring to fig. 1-4: a centrifugal oil-gas separator comprises a shell 1, wherein one end of the shell 1 forms an open processing chamber 11, a cover plate 2 is installed at the opening of the processing chamber 11, the processing chamber 11 is divided into a first chamber 121, a second chamber 131, a third chamber 141, a fourth chamber 151, a fifth chamber 161 and a sixth chamber 171 by a first enclosing plate 12, a second enclosing plate 13, a third enclosing plate 14, a fourth enclosing plate 15, a fifth enclosing plate 16 and a sixth enclosing plate 17, the cover plate 2 is provided with an air inlet opening 21 at the position of the first chamber 121, the first enclosing plate 12 is provided with a first opening 122 communicated with the second chamber 131 at one side of the first chamber 121, one end of the second enclosing plate 13 far away from the first opening 122 is provided with a first notch 132 communicated with the bottom of the shell 1, the shell 1 is provided with a centrifugal separation chamber 18 near the first notch 132, a centrifugal separation piece 181 is installed in the centrifugal separation chamber 18, and the other end of the shell 1 opposite to the opening is provided with the first notch 132, A crankcase connecting piece 19 connected with the crankcase is arranged at the corresponding position of the second chamber 131 and the third chamber 141, a second notch 142 communicated with the crankcase connecting piece 19 is arranged on the third chamber 141, a pressure regulating chamber 101 is arranged at the corresponding position of the first chamber 121, the second chamber 131, the third chamber 141 and the fourth chamber 151 at the other end of the shell 1, a pressure regulating valve is arranged in the pressure regulating chamber 101, a third notch 1011 communicated with the sixth chamber 171 is arranged in the pressure regulating chamber 101, a first one-way valve 102 is arranged at the corresponding position of the sixth chamber 171 at the other end of the shell 1, a sixth baffle notch 172 communicated with the third notch 1011 is arranged at the position of the sixth baffle 17 close to the third notch 1011, a second one-way valve 162 is arranged at one end of the fifth baffle 16 far away from the sixth baffle 17, a fourth notch 163 is arranged at one end of the sixth baffle 16 far away from the first chamber 121, and an active carbon connecting pipe 164 is arranged at the fourth notch 163, the activated carbon connecting pipe 164 is connected with an activated carbon canister, the centrifugal separation part 181 is in a funnel shape with a gradually decreasing diameter from the position close to the centrifugal separation cavity 18 to the position far away from the centrifugal separation cavity 18, a first oil return hole 1811 is formed in the top of the centrifugal separation part 181, a second oil return hole 1911 is formed in the crankcase connecting piece 19, the pressure regulating valve is connected with the casing 1 through a spring, two ends of the spring are respectively fixedly connected with the pressure regulating valve and the casing 1, and the casing 1 is provided with an air vent communicated with the external at the position corresponding to the pressure regulating valve.
Claims (4)
1. The centrifugal oil-gas separator comprises a shell, and is characterized in that: an open-ended treatment chamber is formed at one end of the shell, a cover plate is installed at an opening of the treatment chamber, the treatment chamber is separated into a first chamber, a second chamber, a third chamber, a fourth chamber, a fifth chamber and a sixth chamber through a first surrounding plate, an air inlet is formed in the position of the cover plate in the first chamber, a first opening communicated with the second chamber is formed in one side of the first surrounding plate, a first notch communicated with the bottom of the shell is formed in one end, far away from the first opening, of the second surrounding plate, a centrifugal separation cavity is formed in the position, close to the first notch, of the shell, a centrifugal separation piece is installed in the centrifugal separation cavity, a crankcase connecting piece connected with the crankcase is arranged at the position, corresponding to the first notch, the second chamber and the third chamber, of the other end, opposite to the opening, of the shell, offer the second breach with the crankcase connecting piece intercommunication on the third chamber, the casing other end is provided with the pressure regulating chamber in the corresponding department of first chamber, second chamber, third chamber, fourth chamber, install the air-vent valve in the pressure regulating chamber, the third breach with sixth chamber intercommunication is offered in the pressure regulating chamber, the casing other end is equipped with first check valve in the corresponding position of sixth chamber, sixth bounding wall is close to third breach department and is equipped with the sixth bounding wall breach that communicates with the third breach, the one end that sixth bounding wall was kept away from to fifth bounding wall is installed the second check valve, the one end that first chamber was kept away from to sixth bounding wall is equipped with the fourth breach, fourth breach department is equipped with the active carbon connecting pipe, and active carbon connecting pipe department is connected with the active carbon jar.
2. A centrifugal oil-gas separator according to claim 1, wherein: the centrifugal separation piece is close to the centrifugal separation chamber and is the hourglass hopper-shaped that the diameter diminishes gradually to the direction of keeping away from the centrifugal separation chamber, first oil return hole has been seted up at centrifugal separation piece top, the second oil return hole has been seted up on the crankcase connecting piece.
3. A centrifugal oil and gas separator as claimed in claim 2, wherein: the pressure regulating valve is connected with the shell through a spring, two ends of the spring are respectively and fixedly connected with the pressure regulating valve and the shell, and the shell is provided with vent holes communicated with the outside at the corresponding positions of the pressure regulating valve.
4. A centrifugal oil and gas separator as claimed in claim 3, wherein: the aperture of the first oil return hole is 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010930098.6A CN111980779A (en) | 2020-09-07 | 2020-09-07 | Centrifugal oil-gas separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010930098.6A CN111980779A (en) | 2020-09-07 | 2020-09-07 | Centrifugal oil-gas separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111980779A true CN111980779A (en) | 2020-11-24 |
Family
ID=73447066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010930098.6A Pending CN111980779A (en) | 2020-09-07 | 2020-09-07 | Centrifugal oil-gas separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111980779A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832915A (en) * | 2021-01-08 | 2021-05-25 | 浙江吉利控股集团有限公司 | Control method and control system of vehicle engine and vehicle |
-
2020
- 2020-09-07 CN CN202010930098.6A patent/CN111980779A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832915A (en) * | 2021-01-08 | 2021-05-25 | 浙江吉利控股集团有限公司 | Control method and control system of vehicle engine and vehicle |
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