CN114233474A - Oil-gas separation device with integrated structure - Google Patents
Oil-gas separation device with integrated structure Download PDFInfo
- Publication number
- CN114233474A CN114233474A CN202111436603.2A CN202111436603A CN114233474A CN 114233474 A CN114233474 A CN 114233474A CN 202111436603 A CN202111436603 A CN 202111436603A CN 114233474 A CN114233474 A CN 114233474A
- Authority
- CN
- China
- Prior art keywords
- oil
- gas separation
- separation device
- honeycomb
- rotor
- 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
Links
- 238000000926 separation method Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000000654 additive Substances 0.000 claims abstract description 5
- 230000000996 additive effect Effects 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 67
- 239000000843 powder Substances 0.000 claims description 9
- 229910003407 AlSi10Mg Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 4
- 239000010687 lubricating oil Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical group Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The application provides oil-gas separation device of integral structure, oil-gas separation device includes: the rotor comprises two annular rotor sheets and a plurality of connecting ribs connected with the two rotor sheets, the outer edges of the two rotor sheets form an open outer surface, and a plurality of open inner surfaces arranged at intervals are formed between the connecting ribs; the honeycomb is filled between the two rotor sheets, and honeycomb holes of the honeycomb are arranged along the radial direction; the oil-gas mixture passing through the oil-gas separation device flows in from the inner surface and flows out from the outer surface, and oil-gas separation is completed in the honeycomb holes of the honeycomb; wherein the rotor and the honeycomb are manufactured in an integrated additive manner. The oil-gas separation device can save the processing and assembly processes of a plurality of structural members related to the current oil-gas separation device and the dynamic unbalance processing procedures after welding, and can improve the oil-gas separation efficiency of the bearing cavity.
Description
Technical Field
The application belongs to the technical field of oil-gas separators, and particularly relates to an oil-gas separation device with an integrated structure.
Background
The oil-gas separation device of the aviation gas turbine engine has the functions of separating oil-gas mixture in the bearing cavity, pumping the separated oil back into the oil tank through an oil return pump of the bearing cavity to reduce oil loss, discharging the separated air out of the engine and maintaining positive pressure difference between the sealing cavity and the bearing cavity. However, due to the volume limit of the lubricating oil tank of the aircraft engine, the separation efficiency of the oil-gas separation device determines the consumption of the lubricating oil in unit time, and further influences the maximum flight time of the aircraft.
Referring to fig. 1, a conventional oil-gas separation device 10 is shown, which mainly comprises a housing 11, a rotor 12, pins 14 and a honeycomb body 13 between the rotor 12 and the housing 11, wherein the efficiency of the oil-gas separation device is affected by the amount of dynamic unbalance generated after welding due to the processing of the above parts, and the shielding of the housing 11 also blocks the contact of the oil-gas mixture with the oil-gas separation device.
For a turbofan engine with a large bypass ratio, the oil-gas separation device positioned in the bearing cavity is installed on a low-pressure rotor of the engine, but the oil-gas separation device cannot meet the use requirement of low lubricating oil consumption in unit time due to the fact that the rotating speed of the low-pressure rotor of the turbofan engine with the large bypass ratio is low.
Disclosure of Invention
It is an object of the present application to provide a gas oil separation device of unitary construction to solve or mitigate at least one of the problems of the background art.
The technical scheme of the application is as follows: an oil-gas separation device of integrated structure, characterized in that, oil-gas separation device includes:
the rotor comprises two annular rotor sheets and a plurality of connecting ribs connected with the two rotor sheets, the outer edges of the two rotor sheets form an open outer surface, and a plurality of open inner surfaces arranged at intervals are formed between the connecting ribs; and
the honeycomb is filled between the two rotor sheets, and honeycomb holes of the honeycomb are arranged along the radial direction;
the oil-gas mixture passing through the oil-gas separation device flows in from the inner surface and flows out from the outer surface, and oil-gas separation is completed in the honeycomb holes of the honeycomb;
wherein the rotor and the honeycomb are manufactured in an integrated additive manner.
Further, the number of the connecting ribs is not less than three.
Furthermore, the connecting ribs are circumferentially and uniformly distributed along the axis of the oil-gas separation device.
Further, the structural cross section of the honeycomb comprises regular hexagons.
Furthermore, in the two rotor sheets, a protrusion extending along the axial direction of the oil-gas separation device is arranged on the side surface of one rotor sheet, and a groove extending along the axial direction of the oil-gas separation device is arranged on the side surface of the other rotor sheet.
Further, the open inner surface is expanded into a rectangular shape.
Further, in the additive manufacturing process, in a processing chamber protected by inert gas, the oil-gas separation device lays the AlSi10Mg alloy powder layer by layer according to a three-dimensional model, and scans, sinters and forms the AlSi10Mg alloy powder by electron beams in the powder laying process.
Drawings
In order to more clearly illustrate the technical solutions provided by the present application, the following briefly introduces the accompanying drawings. It is to be expressly understood that the drawings described below are only illustrative of some embodiments of the invention.
Fig. 1 is a schematic structural diagram of an oil-gas separation device in the prior art.
FIG. 2 is a schematic structural diagram of the oil-gas separation device with an integrated structure.
Fig. 3 is a schematic cross-sectional view of a honeycomb structure according to an embodiment of the present application.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application.
As shown in fig. 2, the oil-gas separation device 20 provided by the present application is of an integrated structure design, and the oil-gas separation device 20 comprises a rotor 21 and a honeycomb 22. The rotor 21 is mainly composed of two annular rotor sheets 211 and a plurality of connecting ribs 212 connected to the two rotor sheets 211, the two rotor sheets 211 are substantially identical in structure and are arranged in parallel, an open outer surface is formed between outer edges of the two rotor sheets 211, a plurality of open inner surfaces are formed between the plurality of connecting ribs 212 connected to the two rotor sheets 211, and the open inner surfaces are preferably rectangular. The honeycomb 22 is filled between the two rotor sheets 211, and the honeycomb holes of the honeycomb 22 are arranged in the radial direction. The oil-gas mixture passing through the oil-gas separation device 20 flows in from the inner surface of the rotor 21 and flows out from the outer surface of the rotor 21, so that the oil-gas separation can be completed in the honeycomb holes of the honeycomb 22.
The integrated oil-gas separation device 20 provided by the application can save the processes of processing, assembling and welding the dynamic unbalance amount and the like of the outer cover, the rotor, the pin, the honeycomb body and other structural members in the current oil-gas separation device, meanwhile, the oil-gas separation device does not have the outer cover to shield, and therefore the honeycomb on the oil-gas separation device can be in full contact with lubricating oil-gas mixtures to improve the separation efficiency.
In the preferred embodiment of the present application, the number of the connecting ribs 212 is not less than three, for example, in the embodiment of fig. 2, the number of the connecting ribs 212 is four. Further, a plurality of connecting ribs 212 are uniformly distributed in the circumferential direction with the axis of the oil-gas separation device to improve the structural strength of the rotor sheet 211.
As shown in fig. 3, the structural cross section of the honeycomb 22 in the present application may include a regular hexagonal, rectangular, or rhombic structure, and preferably a regular hexagonal structure.
With continued reference to fig. 2, in the two rotor sheets 211 of the present application, the side surface of one rotor sheet 211 is provided with a protrusion 213 extending along the axial direction of the oil-gas separation device, the side surface of the other rotor sheet 211 is provided with a groove 214 extending along the axial direction of the oil-gas separation device, and the protrusion 213 and the groove 214 can be connected with a structure on the low-pressure shaft of the engine, so that the rotation speed of the low-pressure rotor can be transmitted to the oil-gas separation device 20. Or in another embodiment, the protrusions 213 and grooves 214 on the rotor plate 211 can be matched with the protrusions 213 and grooves 214 on the rotor plate in another oil-gas separation device 20, so that two or more oil-gas separation devices 20 can be connected in series to form an oil-gas separation assembly with a larger separation area.
The oil-gas separation device 20 of this application adopts the vibration material disk mode to process, adds man-hour in inert gas's processing chamber, and the powder paving device lays AlSi10Mg alloy powder according to the three-dimensional model successive layer, spreads the powder process at AlSi10Mg alloy powder through the electron beam and scans the sintering and takes shape, and the oil-gas separation device product structure of processing out is even, can also reduce oil-gas separation device's weight when guaranteeing oil-gas separation device intensity.
The oil-gas separation device with the integrated structure can omit the processing and assembly processes of a plurality of structural components related to the current oil-gas separation device and the dynamic unbalance processing procedure after welding, and the manufacturing process tends to be simple; and the outer cover of the original ventilator component does not shield the contact surface between the honeycomb body and the lubricating oil and gas, so that the contact area between the oil-gas separation device and the lubricating oil and gas is increased, the oil-gas separation efficiency of the bearing cavity can be improved, and the lubricating oil consumption of the engine with a large bypass ratio is reduced.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. An oil-gas separation device of unitary construction, characterized in that the oil-gas separation device (20) comprises:
the rotor (21) comprises two annular rotor sheets (211) and a plurality of connecting ribs (212) connected to the two rotor sheets (211), the outer edges of the two rotor sheets (211) form an open outer surface, and a plurality of open inner surfaces arranged at intervals are formed between the connecting ribs (212); and
a honeycomb (22), wherein the honeycomb (22) is filled between the two rotor sheets (211), and honeycomb holes of the honeycomb (22) are arranged along the radial direction;
the oil-gas mixture passing through the oil-gas separation device (20) flows in from the inner surface and flows out from the outer surface, and oil-gas separation is completed in the honeycomb holes of the honeycomb (22);
wherein the rotor (21) and the honeycomb (22) are manufactured in an integrated additive manner.
2. The integrally structured oil-gas separation device according to claim 1, wherein the number of the connecting ribs (212) is not less than three.
3. The integrated-structure oil-gas separation device according to claim 1 or 2, wherein the connecting ribs (212) are circumferentially distributed with respect to an axis of the oil-gas separation device.
4. The integrally structured oil and gas separation device according to claim 1, wherein the structural cross section of the honeycomb (22) comprises a regular hexagon.
5. The oil-gas separation device of integrated structure as claimed in claim 1, wherein, in the two rotor sheets (211), the side of one rotor sheet (211) is provided with a projection (213) extending along the axial direction of the oil-gas separation device, and the side of the other rotor sheet (211) is provided with a groove (214) extending along the axial direction of the oil-gas separation device.
6. The integrated structural oil and gas separation device of claim 1, wherein the open inner surface is rectangular in development.
7. The integrated structure oil-gas separation device as claimed in claim 1, wherein the oil-gas separation device is formed by laying AlSi10Mg alloy powder layer by layer according to a three-dimensional model in a processing chamber protected by inert gas during the additive manufacturing process, and performing scanning sintering formation in the AlSi10Mg alloy powder laying process through electron beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436603.2A CN114233474A (en) | 2021-11-29 | 2021-11-29 | Oil-gas separation device with integrated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436603.2A CN114233474A (en) | 2021-11-29 | 2021-11-29 | Oil-gas separation device with integrated structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114233474A true CN114233474A (en) | 2022-03-25 |
Family
ID=80751944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111436603.2A Pending CN114233474A (en) | 2021-11-29 | 2021-11-29 | Oil-gas separation device with integrated structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114233474A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002036240A2 (en) * | 2000-11-06 | 2002-05-10 | Pratt & Whitney Canada Corp. | Improved air/oil separator |
| US20110258977A1 (en) * | 2008-10-24 | 2011-10-27 | Snecma | Oil-separator rotor for a turbomachine |
| CN102472113A (en) * | 2009-07-10 | 2012-05-23 | 斯奈克玛 | Oil separator arrangement |
| RU2548228C1 (en) * | 2014-03-18 | 2015-04-20 | Открытое акционерное общество "Уфимское моторостроительное производственное объединение" ОАО "УМПО" | Centrifugal breather |
| CN204522524U (en) * | 2015-04-02 | 2015-08-05 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of eccentric contract |
| CN204610036U (en) * | 2015-05-14 | 2015-09-02 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of single-punch stitch welding honeycomb ventilator |
| CN105102099A (en) * | 2013-03-15 | 2015-11-25 | 派罗特克公司 | Ceramic filters |
| CN209430290U (en) * | 2018-12-16 | 2019-09-24 | 中国航发沈阳发动机研究所 | Metal sponge axle center ventilator |
| CN111107923A (en) * | 2017-09-26 | 2020-05-05 | 赛峰直升机发动机公司 | Turbomachine centrifugal breather component and method for manufacturing said component |
| CN214577385U (en) * | 2020-12-22 | 2021-11-02 | 中国船舶重工集团公司第七0三研究所 | Integral two-stage filtering oil-gas separator |
-
2021
- 2021-11-29 CN CN202111436603.2A patent/CN114233474A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002036240A2 (en) * | 2000-11-06 | 2002-05-10 | Pratt & Whitney Canada Corp. | Improved air/oil separator |
| US20110258977A1 (en) * | 2008-10-24 | 2011-10-27 | Snecma | Oil-separator rotor for a turbomachine |
| CN102472113A (en) * | 2009-07-10 | 2012-05-23 | 斯奈克玛 | Oil separator arrangement |
| CN105102099A (en) * | 2013-03-15 | 2015-11-25 | 派罗特克公司 | Ceramic filters |
| RU2548228C1 (en) * | 2014-03-18 | 2015-04-20 | Открытое акционерное общество "Уфимское моторостроительное производственное объединение" ОАО "УМПО" | Centrifugal breather |
| CN204522524U (en) * | 2015-04-02 | 2015-08-05 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of eccentric contract |
| CN204610036U (en) * | 2015-05-14 | 2015-09-02 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of single-punch stitch welding honeycomb ventilator |
| CN111107923A (en) * | 2017-09-26 | 2020-05-05 | 赛峰直升机发动机公司 | Turbomachine centrifugal breather component and method for manufacturing said component |
| CN209430290U (en) * | 2018-12-16 | 2019-09-24 | 中国航发沈阳发动机研究所 | Metal sponge axle center ventilator |
| CN214577385U (en) * | 2020-12-22 | 2021-11-02 | 中国船舶重工集团公司第七0三研究所 | Integral two-stage filtering oil-gas separator |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220325 |
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| RJ01 | Rejection of invention patent application after publication |