CN112832885A - Disc type centrifugal separation device for purifying gas in crankcase of internal combustion engine - Google Patents
Disc type centrifugal separation device for purifying gas in crankcase of internal combustion engine Download PDFInfo
- Publication number
- CN112832885A CN112832885A CN202110035930.0A CN202110035930A CN112832885A CN 112832885 A CN112832885 A CN 112832885A CN 202110035930 A CN202110035930 A CN 202110035930A CN 112832885 A CN112832885 A CN 112832885A
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- Prior art keywords
- disc
- separation
- combustion engine
- separation disc
- internal combustion
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- 238000000926 separation method Methods 0.000 title claims abstract description 70
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000005484 gravity Effects 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims 6
- 239000007789 gas Substances 0.000 description 14
- 238000005457 optimization Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention relates to a disc centrifugal separation device for purifying gas in a crankcase of an internal combustion engine. The disc type centrifugal separation device for purifying gas in a crankcase of an internal combustion engine comprises a shell, wherein a rotatable rotor is arranged in the shell, the rotor comprises a shaft, and the outer surface of the shaft is connected with a separation disc body; the separation disc body comprises a separation disc cover, a separation disc and a separation disc seat, and the separation disc seat is connected with the installation body; the separation disc seat and the mounting body are integrally formed, the shaft penetrates through and is fixedly connected with the mounting body, the outer side surface of the mounting block is provided with mounting surfaces, and the number of the mounting surfaces is more than or equal to three groups; this a disk formula centrifugal separation device for purifying internal-combustion engine crankcase is gaseous, simple structure, and it is nimble to use, the dynamic balance condition of regulation rotor assembly that can be comparatively nimble, can also be through the installation body, and the effectual separator dish hub that prevents is used widely in the trade of being convenient for side direction and the rotary motion of axle.
Description
Technical Field
The invention belongs to the technical field of separators, and particularly relates to a disc type centrifugal separation device for purifying gas in a crankcase of an internal combustion engine.
Background
At present, in the compression ignition working process of a cylinder of a fuel engine, a small part of high-pressure combustible mixed gas and combustion gas in the cylinder enter a crankcase through a gap between the cylinder and a piston to form mixed aerial fog containing oil mist, air, water vapor and waste gas, and the mixed aerial fog is gathered in the crankcase, so that the pressure in the crankcase is too high, the working condition of the engine is influenced, and the sealing of the crankcase is damaged. In order to avoid and reduce the influence of the mixed gas in the crankcase on the working condition of the engine, the mixed gas mist from the crankcase needs to be subjected to gas-liquid separation.
The working principle of the active centrifugal oil-gas separator is that a rotating vortex is formed in the separator by means of external input energy, and particles in mixed gas flow are separated out under the action of centrifugal force. A plurality of truncated spherical discs are arranged on a rotating shaft of the device, small holes are arranged at the positions of the discs close to the rotating shaft, and the small holes are a circulation channel of mixed gas, and each disc is provided with a group of arc-shaped blades. When the rotating shaft moves, the mixed gas is thrown out along the annular space between the conical discs under the action of centrifugal force, so that the purpose of oil-gas separation is achieved.
At present, the rotor structure in the disc-type centrifugal separator is single.
Disclosure of Invention
The invention aims to solve the problems and provide a disc type centrifugal separation device which is simple in structure and reasonable in design and is used for purifying gas in a crankcase of an internal combustion engine.
The invention realizes the purpose through the following technical scheme:
a disc type centrifugal separation device for purifying gas in a crankcase of an internal combustion engine comprises a shell, wherein a rotatable rotor is arranged in the shell, the rotor comprises a shaft, and a separation disc body is connected to the outer surface of the shaft; the separation disc body comprises a separation disc cover, a separation disc and a separation disc seat, and the separation disc seat is connected with the installation body; the separation disc seat and the mounting body are integrally formed, the shaft penetrates through the mounting body and is fixedly connected with the mounting body, the outer side face of the mounting block is arranged to be a mounting face, and the number of the mounting faces is more than or equal to three groups.
As a further refinement of the invention, the position of the center of gravity of the separating disc body is adjustable.
As a further optimization scheme of the invention, the separation disc seat is made of plastic.
As a further optimization scheme of the invention, the separation disc cover is sunken downwards, and a plurality of groups of balance weight ribs are fixedly connected to the inner wall of the sunken part.
As a further optimization scheme of the invention, the upper end surface of the mounting body is provided with a plurality of groups of counterweight holes, and counterweight blocks can be placed in the counterweight holes.
As a further preferred embodiment of the invention, the separation disc holder further comprises a mating surface.
As a further optimization scheme of the invention, the upper end surface of the shell is connected with a pressure regulating valve, the shell is connected with an inlet and an outlet, the lower end of the shell is connected with a lower shell, the lower end of the shaft is fixedly connected with a rotating shaft, and an air outlet channel is also arranged between the outlet and the shell.
The invention has the beneficial effects that: the invention is provided with a separation disc body, the separation disc body comprises a separation disc cover, a separation disc and a separation disc seat, the separation disc seat is connected with a mounting body, the mounting body is arranged in a multi-surface manner, so that the lateral and rotary motion of a separator hub relative to a shaft can be effectively prevented, and the rotation of the whole separation disc body is more balanced and stable; the surface of the mounting body is provided with the counterweight hole, so that the weight of the mounting body can be reduced; the gravity center position of the separation disc body is adjustable, the weight of the separation disc body can be adjusted and changed according to the environment used by the actual separation device, wherein a plurality of groups of balance weight ribs are arranged at the edge position of the separation disc cover, the dynamic balance of the rotor assembly is adjusted through the weight arrangement and the position of the balance weight ribs, and the design is ingenious; when the rotor assembly needs to be adjusted, balancing weights can be placed in the balancing holes, and the dynamic balance condition of the rotor assembly can be further adjusted by placing the balancing weights with different weights and different placing positions; in addition, in the actual preparation, the mounting surfaces and the counterweight holes are arranged in a corresponding number, so that the mounting and the use of people are facilitated; whole device simple structure, design benefit, easy dismounting uses in a flexible way, the dynamic balance condition of regulation rotor assembly that can be comparatively nimble, and the trade of being convenient for is used widely.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the separator disk lid of the present invention;
fig. 3 is a schematic view of the structure of the separation disc holder of the present invention.
In the figure: 1. a housing; 2. a pressure regulating valve; 3. an air outlet channel; 4. separating the discs; 5. separating the disc cover; 6. separating the disc seat; 7. a shaft; 8. a lower bearing seat; 9. a lower case; 10. a rotor; 11. an inlet; 12. an outlet; 13. a rotating shaft; 14. a counterweight rib; 15. a weight port; 16. a mounting surface; 17. a mating surface.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1-3, a centrifugal separator with disc type for purifying crankcase gas of internal combustion engine comprises a housing 1, a rotatable rotor 10 is arranged inside the housing 1, the rotor 10 comprises a shaft 7, a separation disc body is connected to the outer surface of the shaft 7, and the gravity center position of the separation disc body is adjustable. Be provided with step 8 between the surface of axle 7 and the casing 1, sealed bearing can be chooseed for use to this bearing frame, frictional force when can reduce the rotation of axle 7 reduces the loss of axle 7, can also further improve the leakproofness in the casing, and the condition that can effectually prevent the oil leak takes place.
The separating disc body comprises a separating disc cover 5, a separating disc 4 and a separating disc seat 6, and the separating disc seat 6 is fixedly connected with the shaft 7. In order to reduce the difficulty in preparing the separation disc seat 6, the separation disc seat 6 is made of plastic, and the installation body can also be made of plastic. Usually, the upper end surface of the separating disc cover 5 is recessed downward to better fit the separating disc 4, in this embodiment, a plurality of sets of weight ribs 14 are fixedly connected to the inner wall of the recess, as shown in fig. 2, the weight ribs 14 are vertical. The utility model discloses a rotor installation structure, including separation disc seat 6, installation body and axle 7, separation disc seat 6 is connected with the installation body, the installation body and the 6 integral type shaping of separation disc seat, the installation body and axle 7 fixed connection, a plurality of groups of heavy hole 15 have been seted up to the up end of installation body, can place the balancing weight in the balancing weight hole 15 and also can not place, and the balancing weight hole 15 can alleviate the holistic weight of installation piece, also can adjust the focus of rotor through the balancing weight, the lateral surface of installation piece is established to installation face 16, 16 three groups of quantity more than or equal to of installation face, generally when preparing, need notice, can set up the installation face 16 and the corresponding setting of the quantity of balancing weight hole 15, consequently, the minimum figure of balancing weight hole 15 and balancing weight should be three groups, adopts regular polygon. The separation disc holder 6 further comprises a mating surface 17, the mating surface 17 being a bottom cover surface. The upper end surface of the shell 1 is connected with a pressure regulating valve 2, the shell 1 is connected with an inlet 11 and an outlet 12, the lower end of the shell 1 is connected with a lower shell 9, the lower end of the shaft 7 is fixedly connected with a rotating shaft 13, and an air outlet channel 3 is further arranged between the outlet 12 and the shell 1.
It should be noted that, when the disc-type centrifugal separation device for purifying gas in a crankcase of an internal combustion engine is used, a separation disc body is arranged, the separation disc body comprises a separation disc cover 5, a separation disc 4 and a separation disc seat 6, the separation disc seat is connected with a mounting body, the mounting body is arranged in a multi-surface manner, and a separator hub can be effectively prevented from moving laterally and rotationally relative to a shaft 7, so that the rotation of the whole separation disc body is more balanced and stable; the surface of the mounting body is provided with the counterweight hole, so that the weight of the mounting body can be reduced; the gravity center position of the separation disc body is adjustable, the weight of the separation disc body can be adjusted and changed according to the environment used by the actual separation device, wherein a plurality of groups of balance weight ribs 14 are arranged at the edge position of the separation disc cover 5, the dynamic balance of the rotor 10 assembly is adjusted through the weight arrangement and the position of the balance weight ribs 14, and the design is ingenious; when the gravity center of the rotor needs to be adjusted, the balancing weights can be placed in the balancing holes 15, and the dynamic balance condition of the rotor 10 assembly can be further adjusted by placing the balancing weights with different weights and different placing positions; in addition, in the actual preparation, the mounting surfaces 16 and the weight ports 15 are arranged in a corresponding number, so that the mounting and the use of people are facilitated; the whole device is simple in structure, ingenious in design, convenient to disassemble and assemble and flexible to use, the dynamic balance condition of the rotor 10 assembly can be adjusted flexibly, and the device is convenient to popularize and use in the industry.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. A disc type centrifugal separation device for purifying gas in a crankcase of an internal combustion engine is characterized by comprising a shell, wherein a rotatable rotor is arranged in the shell, the rotor comprises a shaft, and the outer surface of the shaft is connected with a separation disc body; the separation disc body comprises a separation disc cover, a separation disc and a separation disc seat, and the separation disc seat is connected with the installation body; the separation disc seat and the mounting body are integrally formed, the shaft penetrates through the mounting body and is fixedly connected with the mounting body, the outer side face of the mounting block is arranged to be a mounting face, and the number of the mounting faces is more than or equal to three groups.
2. A disc centrifugal separator device for cleaning crankcase gas of an internal combustion engine according to claim 1, wherein: the gravity center position of the separation disc body is adjustable.
3. A disc centrifugal separator device for cleaning crankcase gas of an internal combustion engine according to claim 2, wherein: the separation disc seat is made of plastic.
4. A disc centrifugal separator device for cleaning crankcase gas of an internal combustion engine according to claim 3, wherein: the separating disc cover is sunken downwards, and a plurality of groups of balance weight ribs are fixedly connected to the inner wall of the sunken part.
5. A disc centrifugal separator device for cleaning crankcase gas of an internal combustion engine according to claim 4, wherein: the upper end surface of the mounting body is provided with a plurality of groups of counterweight holes, and counterweight blocks can be placed in the counterweight holes.
6. A disc centrifugal separator device for cleaning crankcase gas of an internal combustion engine according to claim 5, wherein: the separation disc holder further comprises a mating surface.
7. A disc centrifugal separator device for cleaning crankcase gas of an internal combustion engine according to claim 6, wherein: the upper end face of the shell is connected with a pressure regulating valve, the shell is connected with an inlet and an outlet, the lower end of the shell is connected with a lower shell, the lower end of the shaft is fixedly connected with a rotating shaft, and an air outlet channel is further arranged between the outlet and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110035930.0A CN112832885B (en) | 2021-01-12 | Disc type centrifugal separator for purifying crankcase gas of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110035930.0A CN112832885B (en) | 2021-01-12 | Disc type centrifugal separator for purifying crankcase gas of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112832885A true CN112832885A (en) | 2021-05-25 |
| CN112832885B CN112832885B (en) | 2024-07-26 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820256A (en) * | 1985-06-07 | 1989-04-11 | Alfa-Laval Separation Ab | Centrifugal separator |
| JP2000107643A (en) * | 1998-09-30 | 2000-04-18 | Hitachi Koki Co Ltd | Loading/unloading mechanism for centrifugal separator rotor |
| DE19947143C1 (en) * | 1999-10-01 | 2001-04-05 | Daimler Chrysler Ag | IC motor crankcase air bleeding system has a centrifugal oil separator with a compensation weight and an oil separation zone linked to an axial flow channel for the cleaned air in a simple structure |
| KR200344862Y1 (en) * | 2003-12-15 | 2004-03-18 | 주식회사 로얄정공 | A Decanter Centrifuge with Mechanism of Balance Weight |
| RU88995U1 (en) * | 2009-05-27 | 2009-11-27 | Виталий Михайлович Трофимов | CENTRIFUGAL SEPARATOR SELF-BALANCING DRUM |
| CN104564685A (en) * | 2015-01-06 | 2015-04-29 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigerating device provided with same |
| CN209771851U (en) * | 2019-03-12 | 2019-12-13 | 四川世纪景程环保科技有限公司 | Rotation type filtration membrane self-cleaning device |
| CN210396847U (en) * | 2019-05-14 | 2020-04-24 | 合肥恒信汽车发动机部件制造有限公司 | Active disc centrifugal separator for purifying gas in crankcase of internal combustion engine |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820256A (en) * | 1985-06-07 | 1989-04-11 | Alfa-Laval Separation Ab | Centrifugal separator |
| JP2000107643A (en) * | 1998-09-30 | 2000-04-18 | Hitachi Koki Co Ltd | Loading/unloading mechanism for centrifugal separator rotor |
| DE19947143C1 (en) * | 1999-10-01 | 2001-04-05 | Daimler Chrysler Ag | IC motor crankcase air bleeding system has a centrifugal oil separator with a compensation weight and an oil separation zone linked to an axial flow channel for the cleaned air in a simple structure |
| KR200344862Y1 (en) * | 2003-12-15 | 2004-03-18 | 주식회사 로얄정공 | A Decanter Centrifuge with Mechanism of Balance Weight |
| RU88995U1 (en) * | 2009-05-27 | 2009-11-27 | Виталий Михайлович Трофимов | CENTRIFUGAL SEPARATOR SELF-BALANCING DRUM |
| CN104564685A (en) * | 2015-01-06 | 2015-04-29 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigerating device provided with same |
| CN209771851U (en) * | 2019-03-12 | 2019-12-13 | 四川世纪景程环保科技有限公司 | Rotation type filtration membrane self-cleaning device |
| CN210396847U (en) * | 2019-05-14 | 2020-04-24 | 合肥恒信汽车发动机部件制造有限公司 | Active disc centrifugal separator for purifying gas in crankcase of internal combustion engine |
Non-Patent Citations (1)
| Title |
|---|
| 龚俊, 孙步功, 辛舟, 侯运丰: "碟式分离机整机动平衡的方法", 兰州理工大学学报, no. 06, 28 December 2004 (2004-12-28) * |
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