CN112832885B - Disc type centrifugal separator for purifying crankcase gas of internal combustion engine - Google Patents
Disc type centrifugal separator for purifying crankcase gas of internal combustion engine Download PDFInfo
- Publication number
- CN112832885B CN112832885B CN202110035930.0A CN202110035930A CN112832885B CN 112832885 B CN112832885 B CN 112832885B CN 202110035930 A CN202110035930 A CN 202110035930A CN 112832885 B CN112832885 B CN 112832885B
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- CN
- China
- Prior art keywords
- disc
- separation
- shaft
- separation disc
- internal combustion
- 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.)
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Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 53
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 16
- 238000005457 optimization Methods 0.000 description 6
- 239000003595 mist Substances 0.000 description 4
- 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
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material 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
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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)
- Centrifugal Separators (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention relates to a disc-type centrifugal separation device for cleaning crankcase gas of an internal combustion engine. The disc type centrifugal separation device for purifying the crankcase gas of the 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 a mounting body; the disc separating 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 body is set to be a mounting surface, and the number of the mounting surfaces is more than or equal to three; the disc type centrifugal separation device for purifying the crankcase gas of the internal combustion engine has the advantages of simple structure, flexible use, flexible adjustment of the dynamic balance condition of the rotor assembly, and capability of effectively preventing the lateral and rotary movement of the disc hub of the separator relative to the shaft through the mounting body, and convenience for popularization and use in the industry.
Description
Technical Field
The invention belongs to the technical field of separators, and particularly relates to a disc type centrifugal separation device for purifying crankcase gas of an internal combustion engine.
Background
At present, in the compression ignition working process of a cylinder, a fuel engine is provided with a high-pressure combustible mixed gas and combustion gas in the cylinder, and a small part of gas enters a crankcase through a gap between the cylinder and a piston to form mixed gas mist containing oil mist, air, water vapor and waste gas, and the mixed gas mist is accumulated 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 the rotation vortex is formed in the separator by the external input energy, and the particles in the mixed air 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 formed in the positions, close to the rotating shaft, of the discs, namely, a mixed gas circulation channel, and a group of arc-shaped blades are arranged on each disc. 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 as to achieve the purpose of oil-gas separation.
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 has a simple structure and reasonable design and is used for purifying the crankcase gas of an internal combustion engine.
The invention realizes the above purpose through the following technical scheme:
A disc-type centrifugal separation device for cleaning crankcase gas of an internal combustion engine, comprising a housing, wherein a rotatable rotor is arranged in the housing, 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 a mounting body; the disc separating seat is integrally formed with the mounting body, the shaft penetrates through and is fixedly connected with the mounting body, the outer side face of the mounting body is set to be a mounting face, and the number of the mounting faces is more than or equal to three.
As a further optimization scheme of the invention, the gravity center position of the separation disc body is adjustable.
As a further optimization scheme of the invention, the separation disc seat is made of plastic materials.
As a further optimization scheme of the invention, the separating disc cover is sunken downwards, and the inner wall of the sunken part is fixedly connected with a plurality of groups of counterweight ribs.
As a further optimization scheme of the invention, the upper end face of the installation body is provided with a plurality of groups of weight holes, and balancing weights can be placed in the weight holes.
As a further optimization of the invention, the separating disc seat further comprises a matching surface.
As a further optimization scheme of the invention, 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 arranged between the outlet and the shell.
The invention has the beneficial effects that: the invention is provided with the separating disc body, the separating disc body comprises a separating disc cover, a separating disc and a separating disc seat, the separating disc seat is connected with the mounting body, and the mounting body is arranged in a multi-surface manner, so that the lateral and rotary movement of the separator hub relative to the shaft can be effectively prevented, and the rotation of the whole separating disc body is more balanced and stable; the surface of the installation body is provided with the counterweight hole, so that the weight of the installation 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 in which the actual separation device is used, wherein a plurality of groups of counterweight ribs are arranged at the edge position of the separation disc cover, and the dynamic balance of the rotor assembly is adjusted through the weight setting and the position of the counterweight ribs, so that the design is very ingenious; when adjustment is needed, the balancing weights can be placed in the balancing weight 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 actual preparation, the installation surfaces and the number of the weight ports are correspondingly arranged, so that the installation and the use of people are facilitated; the whole device has the advantages of simple structure, ingenious design, convenient disassembly and assembly, flexible use, and capability of flexibly adjusting the dynamic balance condition of the rotor assembly, and is convenient for popularization and use in the industry.
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 separation disc cover of the present invention;
FIG. 3 is a schematic diagram of a separating disc seat according to the present invention.
In the figure: 1. a housing; 2. a pressure regulating valve; 3. an air outlet channel; 4. separating the disc; 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 rotation shaft; 14. a counterweight rib; 15. a weight port; 16. a mounting surface; 17. mating surfaces.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.
Example 1
As shown in fig. 1-3, a disc-type centrifugal separation device for cleaning crankcase gas of an internal combustion engine comprises a housing 1, wherein a rotatable rotor 10 is arranged in the housing 1, the rotor 10 comprises a shaft 7, the outer surface of the shaft 7 is connected with a separation disc body, and the gravity center position of the separation disc body is adjustable. Be provided with the lower bearing frame 8 between the surface of axle 7 and casing 1, this bearing frame can select for use sealed bearing, can reduce the frictional force when the rotation of axle 7, reduces the loss of axle 7, can also further improve the leakproofness in the casing, can effectually prevent the condition emergence of oil leak.
The separating disc body comprises a separating disc cover 5, a separating disc 4 and a separating disc seat 6, wherein 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 mounting body may be made of plastic. In general, the upper end surface of the separating disc cover 5 is concave downward, which better fits the separating disc 4, in this embodiment, a plurality of sets of weight ribs 14 are fixedly connected to the inner wall of the concave, as shown in fig. 2, and the weight ribs 14 are vertical. The disc separating seat 6 is connected with a mounting body, the mounting body and the disc separating seat 6 are integrally formed, the mounting body is fixedly connected with the shaft 7, a plurality of groups of weight holes 15 are formed in the upper end face of the mounting body, the weight blocks can be placed in the weight holes 15 or not, the weight holes 15 can lighten the whole weight of the mounting body, the gravity center of the rotor can be regulated through the weight blocks, the outer side face of the mounting body is provided with a mounting face 16, the number of the mounting face 16 is more than or equal to three, and in general, when the disc separating seat is prepared, the mounting face 16 and the weight holes 15 are correspondingly arranged, so that the minimum number of the weight holes 15 and the weight blocks is three, and the disc separating seat is mainly arranged in a regular polygon mode in practical use. The separating disc seat 6 further comprises a mating surface 17, and the mating surface 17 is a bottom cover surface. The upper end face 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 arranged between the outlet 12 and the shell 1.
When the disc type centrifugal separation device for purifying the crankcase gas of the internal combustion engine is used, the separation disc body is arranged and 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, and the mounting body is arranged in a multi-surface manner, so that the lateral and rotary movement of a disc hub of the separator relative to a shaft 7 can be effectively prevented, and the rotation of the whole separation disc body is more balanced and stable; the surface of the installation body is provided with the counterweight hole, so that the weight of the installation 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 in which the actual separation device is used, wherein a plurality of groups of counterweight ribs 14 are arranged at the edge position of the separation disc cover 5, and the dynamic balance of the rotor 10 assembly is adjusted through the weight setting and the position of the counterweight ribs 14, so that the design is very ingenious; when the gravity center of the rotor needs to be adjusted, balancing weights can be placed in the balancing weight 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 actual preparation, the number of the mounting surfaces 16 and the number of the weight ports 15 are correspondingly arranged, so that the mounting and use of people are facilitated; the whole device has the advantages of simple structure, ingenious design, convenient disassembly and assembly, flexible use, and capability of flexibly adjusting the dynamic balance condition of the rotor 10 assembly, and is convenient for popularization and use in industry.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (3)
1. A disc-type centrifugal separation device for cleaning crankcase gas of an internal combustion engine, characterized by comprising a housing, wherein a rotatable rotor is arranged in the housing, 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 a mounting body; the disc separating 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 body is set to be a mounting surface, and the number of the mounting surfaces is more than or equal to three; the gravity center position of the separation disc body is adjustable; the separation disc seat is made of plastic;
The separation disc cover is sunken downwards, a plurality of groups of counterweight ribs are fixedly connected to the inner wall of the sunken part, a plurality of groups of counterweight holes are formed in the upper end face of the installation body, and a counterweight block can be placed in the counterweight holes.
2. A disc-type centrifugal separator for cleaning crankcase gas of an internal combustion engine according to claim 1, characterized in that: the split disc seat further includes a mating surface.
3. A disc-type centrifugal separator for cleaning crankcase gas of an internal combustion engine according to claim 2, characterized in that: 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 arranged between the outlet and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110035930.0A CN112832885B (en) | 2021-01-12 | 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 | 2021-01-12 | Disc type centrifugal separator for purifying crankcase gas of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112832885A CN112832885A (en) | 2021-05-25 |
| CN112832885B true CN112832885B (en) | 2024-07-26 |
Family
ID=75929583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110035930.0A Active CN112832885B (en) | 2021-01-12 | 2021-01-12 | Disc type centrifugal separator for purifying crankcase gas of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112832885B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000107643A (en) * | 1998-09-30 | 2000-04-18 | Hitachi Koki Co Ltd | Loading/unloading mechanism for centrifugal separator rotor |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE448150B (en) * | 1985-06-07 | 1987-01-26 | Alfa Laval Separation Ab | centrifugal |
| 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 |
-
2021
- 2021-01-12 CN CN202110035930.0A patent/CN112832885B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000107643A (en) * | 1998-09-30 | 2000-04-18 | Hitachi Koki Co Ltd | Loading/unloading mechanism for centrifugal separator rotor |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112832885A (en) | 2021-05-25 |
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