CN112392563B - High-rotating-speed oil-gas separator for turbine engine - Google Patents
High-rotating-speed oil-gas separator for turbine engine Download PDFInfo
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- CN112392563B CN112392563B CN202011281841.6A CN202011281841A CN112392563B CN 112392563 B CN112392563 B CN 112392563B CN 202011281841 A CN202011281841 A CN 202011281841A CN 112392563 B CN112392563 B CN 112392563B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
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- 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
Abstract
The invention discloses a high-speed rotating oil-gas separator for a turbine engine, and particularly relates to the field of high-rotating-speed oil-gas separators, which aims to overcome the defects that the existing turbine engine is greatly influenced by the working condition of the engine and cannot meet the requirements of the high-rotating-speed turbine engine in structural size. The self-powered driving device is not influenced by the working condition of the engine, has high separation efficiency and can meet the volume and weight of the high-speed turbine engine.
Description
Technical Field
The invention discloses a high-rotation-speed oil-gas separator for a turbine engine, belongs to the technical field of oil-gas separation, and particularly relates to the technical field of high-rotation-speed oil-gas separators.
Background
When the aircraft engine works, clean and low-temperature lubricating oil is conveyed to each rotating part of the engine, so that friction is reduced, and heat generated by friction is taken away. Under the action of the pressure difference between the inside and the outside of the lubricating system, air enters the system, and under the action of a high-speed rotating part of the engine, lubricating oil and the air are mixed to form lubricating oil emulsion and oil mist, and the lubricating oil emulsion and the oil mist are conveyed to an oil return system by an oil return pump. In addition, in order to ensure the safe operation of the engine, the design capacity of the oil return pump is often larger than the oil supply amount, and a large amount of air is conveyed to the oil return system during the operation of the oil return pump, so that the fluid in the oil return system is a mixture of oil and gas, the pipeline resistance is increased, the performance of a fuel oil and lubricating oil heat exchanger is reduced, the lubricating effect of the lubricating oil is influenced, and the safety of the engine is influenced. In addition, in order to prevent the pressure in the lubricating oil tank, the gear box and the bearing cavity from being too high, a vent hole which is communicated with the atmosphere is arranged in the engine lubricating oil system, but oil mist is discharged together with air, and lubricating oil loss is caused, so that the circulation of the lubricating oil in the lubricating oil system is influenced. Therefore, an oil-gas separator needs to be installed in the oil return system, a rotating flow field is generated in the oil-gas separator by utilizing the difference between the density of the lubricating oil and the density of the air, lubricating oil particles in the mixed fluid are separated out under the action of centrifugal force, so that the separation of the lubricating oil and the air is realized, and the air is led out of the engine through a vent to ensure that the lubricating oil is continuously recycled.
At present, the structural forms of the oil-gas separator of the aero-engine are various, but the design standards and specifications are not uniform. Generally, the manufacturing and use costs are high, the internal structure and the swirling flow field are complicated and relate to three-dimensional rotating turbulent flow and the like, and the separation efficiency is influenced by the structural parameters: oil gas inlet pipe angle, length and the like and inlet condition parameters: the influence of inlet flow, pressure, oil-gas ratio and the like is large. Particularly for a high-rotating-speed turbine engine, the engine has the overall requirements of small volume and light weight, and the requirements on the structural size and the separation efficiency of the oil-gas separator are strict.
Disclosure of Invention
The invention aims to: the high-rotation-speed oil-gas separator for the turbine engine is provided to overcome the defects that the existing oil-gas separator is greatly influenced by the working condition of the engine, the separation efficiency is low, and the structural size cannot meet the requirements of the volume and the weight of the high-rotation-speed turbine engine.
The technical scheme adopted by the invention is as follows:
the utility model provides a high-speed rotatory oil and gas separator for turbine engine, includes hollow rotation axis, rotation axis upper portion is provided with oil feed chamber subassembly, the middle part of rotation axis is provided with the separation chamber subassembly, the lower part of rotation axis is provided with actuating mechanism, the separation chamber subassembly is including being located the separator cavity of rotation axis middle part periphery is located in the separator cavity the partition layer at rotation axis middle part is located the first centrifugal disc on partition layer upper portion is located the second centrifugal disc of partition layer lower part is located, is located a plurality of first through-holes of first centrifugal disc periphery and is located a plurality of second through-holes of second centrifugal disc periphery are located in the separator cavity with a plurality of the oil groove is led to the second of first through-hole intercommunication and is located on the separator cavity with the oil-out of oil groove intercommunication is led to the second, the bottom of rotation axis is the gas outlet.
In the technical scheme of the application: the oil-gas mixture enters from the oil inlet cavity assembly, the rotating shaft is a hollow shaft, the oil-gas mixture enters from the top of the rotating shaft, the rotating shaft drives the first through holes of the first centrifugal disc to drive the oil-gas mixture to rotate under high-speed rotation, and lubricating oil particles obtain larger centrifugal force due to high density of the lubricating oil, so that the lubricating oil has larger radial and tangential speeds. This application utilizes the high pressure that the high-speed rotation produced in the oil and gas separator and engine exhaust system's low pressure, with the inside and outside pressure differential exhaust gas of oil and gas separator, collect the lubricating oil with high-speed rotatory centrifugal action, through hollow rotation axis, advance oil chamber subassembly, what separate chamber subassembly and actuating mechanism is the setting, from taking power drive, do not influenced by engine operating mode, possess separation efficiency height, the little advantage of structure size (can satisfy high rotational speed turbine engine organism volume and weight), improved product integration simultaneously, simplified the product structure.
The first through hole and the second through hole are communicated with the rotating shaft.
Preferably, the inner wall of the separator cavity on the side where the oil outlet is located is attached to the outer periphery of the first centrifugal disc to form an attachment surface, the attachment surface serves as a starting point, and the inner wall of the separator cavity is provided with a second oil guide groove which is sequentially increased in depth and communicated with the oil outlet along the rotation direction of the rotating shaft. The initial degree of depth of oil groove is zero for the second, and the separator cavity inner wall of oil-out place one side forms the binding face with the peripheral laminating of first centrifugation disc mutually and does not have the lubricating oil and throws away, and along with rotation axis anticlockwise rotation, the oil groove body is led to the second deepening, does benefit to the collection and the flow of the lubricating oil that receives centrifugal force and discharges.
Preferably, the rotating shaft, the first centrifugal disk, the partition layer and the second centrifugal disk are integrally formed, the first centrifugal disk is communicated with the rotating shaft on the upper portion of the partition layer, and the second centrifugal disk is communicated with the rotating shaft on the lower portion of the partition layer. The processing is convenient, the assembly, and the product structure is simple.
Preferably, a semicircular notch is formed in the periphery of the first centrifugal disk between the first through holes. The semicircular gap at the periphery of the first centrifugal disc realizes tangential work on the lubricating oil in the second oil guide groove, and the lubricating oil is conveyed to the oil outlet.
More preferably, the number of the first through holes is 8, the number of the semicircular notches is 8, and the number of the second through holes is 8. Is just suitable for turbine engines.
Preferably, the separator cavity at the lower part of the oil outlet is shaped like a centripetal cone. The air inlet of the second centrifugal disk is set to be a cone inclined plane, so that the air is favorably collected and discharged centripetally when rotating.
Preferably, the separation chamber assembly further comprises a rear bearing, a wave spring washer, a fixed sleeve and a graphite ring which are arranged in sequence from top to bottom on the rotating shaft below the second centrifugal disc in the separator chamber. The graphite ring is in contact with a rotating component on a rotating shaft rotating at a high speed, so that sliding sealing in a cavity in the separator is realized, and contact friction between a metal component and the rotating component is prevented; the wave spring washer is used for axially compressing and pre-tightening the rear bearing; the rotating shaft is arranged in and fixed in the separator cavity through a front bearing, a rear bearing, a wave spring washer, a fixed sleeve and a graphite ring.
Preferably, a separator inner cavity cover matched with the separator cavity is arranged on the periphery of the rotating shaft on the upper portion of the first centrifugal disc, and an inner cavity sealing rubber ring is arranged between the separator cavity and the separator inner cavity cover. The sealing of the inner cavity body of the separator is realized, and the oil gas leakage is prevented.
More preferably, the upper portion of separator inner chamber lid is provided with the oil feed chamber subassembly, the oil feed chamber subassembly is including being located separator inner chamber lid upper portion and cover are established the separator cover of rotation axis top and periphery is located in the separator cover the fore bearing on rotation axis upper portion is located oil gas import on the separator cover and being located in the separator cover a plurality of evenly distributed of fore bearing periphery with the first oil groove of leading of oil gas import intercommunication, first oil groove of leading is the axial oil groove of leading, and is preferred to be 3, the top of rotation axis is higher than the fore bearing, the separator cover with be provided with the sealed rubber ring of cover between the separator inner chamber lid, the sealed rubber ring of admitting air has been realized, prevents oil gas leakage, the separator cover with the separator inner chamber lid reaches through the first screw fixation of a plurality of connections between the separator cavity, first screw evenly distributed, preferably 4. The setting of first oil guide groove makes the oil-gas mixture who gets into from the oil gas import change ascending axial motion into by lateral flow to get into the rotation axis in the opening from rotation axis upper portion, there is the clearance that is used for the oil-gas mixture to flow between rotation axis and the separator cover inner wall, and the lubricating oil density is big and receives inertial influence, and the lubricating oil drop can take place oil drop collision, oil film collision and oil drop and bump the wall, makes oil drop adhere to each other, forms bigger oil drop and more does benefit to centrifugal separation afterwards.
Preferably, the driving mechanism is an outer rotor permanent magnet brushless motor, the motor comprises a motor stator coil, a motor outer rotor, a permanent magnet and a second screw, the motor outer rotor is connected with the rotating shaft through the second screw for transmission, and the maximum rotating speed of the motor is 25000r/min. The stator of the outer rotor permanent magnet brushless motor is fixed in a groove body at the bottom of a cavity of the separator, and the outer rotor of the outer rotor permanent magnet brushless motor is connected and fixed with a through hole at the bottom of the rotating shaft through holes at two sides by an embedded screw, so that the outer rotor of the motor is transmitted to the rotating shaft to enable the rotating shaft to rotate at the same speed.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, high pressure generated by high-speed rotation in the oil-gas separator and low pressure of an engine exhaust system are utilized, gas is exhausted by using the internal-external pressure difference of the oil-gas separator, lubricating oil is collected by using high-speed rotation centrifugal action, and the design principle of the oil-gas separator for collecting the lubricating oil by using the centrifugal action is different from the traditional spiral, centrifugal and gravity separation principle;
2. the hollow rotating shaft, the oil inlet cavity assembly, the separation cavity assembly and the driving mechanism are arranged, so that the separation device is driven by power, is not influenced by the working condition of an engine, has the advantages of high separation efficiency and small structural size, and simultaneously improves the product integration level and simplifies the product structure;
3. the lubricating oil has high density, so that lubricating oil particles obtain high centrifugal force, the lubricating oil has high radial and tangential speeds, the oil drop particles finish oil drop collision, crushing, polymerization and other movements in a second oil guide groove by contacting the second oil guide groove in the cavity of the separator, the collection of the lubricating oil is realized, the tangential work on the lubricating oil in the second oil guide groove is realized through a semicircular notch on the periphery of the first centrifugal disc, and the lubricating oil is conveyed to an oil outlet;
4. through the arrangement of the first centrifugal disc, the partition layer, the second centrifugal disc, the 8 first through holes and the 8 second through holes, the central axes of the first centrifugal disc and the second centrifugal disc are not communicated, a complex oil-gas separation structure is avoided, and pipelines for air, lubricating oil and oil-gas mixture are not required to be additionally arranged, so that the coaxial double-row arrangement is realized, and the lubricating oil and the air are discharged;
5. the separator cavity has the function of fixing a plurality of single parts, so that the number of parts of the oil-gas separator is reduced on the whole;
6. the motor outer rotor of the motor directly drives the rotating shaft, the rotating speed is about 25000rpm, the oil-gas separator is provided with a high-speed independent driving system, and the separating efficiency is not influenced by the working condition of the engine.
Drawings
FIG. 1 is a schematic structural view of a high-speed rotating oil-gas separator for a turbine engine according to the present invention;
FIG. 2 is a partial cross-sectional view of an oil-gas separator for a high speed turbine engine of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view of B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is an assembled view of an oil-gas separator for a high speed turbine engine according to the present invention;
FIG. 6 is a front view of an oil and gas rotating shaft of a high speed turbine engine according to the present invention.
The mark in the figure is: 11-a first screw, 111-a graphite ring, 22-a separator cover, 2 a-an oil gas inlet, 33-a front bearing, 44-a cover sealing rubber ring, 55-a separator inner cavity cover, 66-an inner cavity sealing rubber ring, 77-a rotating shaft, 7 a-an air outlet, 88-a rear bearing, 99-a wave spring washer, 10-a fixed sleeve, 12-a separator cavity, 12 a-an oil outlet, 13-a motor stator coil, 14-a motor outer rotor, 14 a-a permanent magnet, 15-a second screw, 16-a first oil guide groove, 17-a second oil guide groove, 18-a semicircular notch, 19-a first centrifugal disk, 20-a second centrifugal disk, 21-a first through hole and 22a second through hole.
The trend of the oil-gas mixture is represented → r,
indicating the oil strike and → indicating the air strike.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Example 1
As shown in fig. 1, 2, 4, 5 and 6, the high-speed rotating oil-gas separator for the turbine engine includes a hollow rotating shaft 77, an oil inlet chamber assembly is disposed on an upper portion of the rotating shaft 77, a separation chamber assembly is disposed in a middle portion of the rotating shaft 77, a driving mechanism is disposed on a lower portion of the rotating shaft 77, the separation chamber assembly includes a separator chamber 12 located on an outer periphery of the middle portion of the rotating shaft 77, a partition layer located in the middle portion of the rotating shaft 77 in the separator chamber 12, a first centrifugal disk 19 located on an upper portion of the partition layer, a second centrifugal disk 20 located on a lower portion of the partition layer, a plurality of first through holes 21 located on an outer periphery of the first centrifugal disk 19 and a plurality of second through holes 22a located on an outer periphery of the second centrifugal disk 20, a second oil guide groove 17 located in the separator chamber 12 and communicated with the plurality of first through holes 21 and an oil outlet 12a located on the separator chamber 12 and communicated with the second oil guide groove 17, and the bottom of the rotating shaft 77 is an air outlet 7a.
In the technical scheme of the application: the oil-gas mixture enters from the oil inlet cavity assembly, because the rotating shaft 77 is a hollow shaft, the oil-gas mixture enters from the top of the rotating shaft 77, the rotating shaft 77 drives the plurality of first through holes 21 of the first centrifugal disk 19 to rotate at high speed, and the oil-gas mixture is driven to rotate because of high density of the lubricating oil, so that the lubricating oil particles obtain larger centrifugal force, and the lubricating oil has larger radial and tangential speeds, and the lubricating oil is enabled to complete the oil drop collision, crushing, polymerization and other movements of the oil drops in the second oil guide groove 17 by contacting with the second oil guide groove 17 in the separator cavity 12, so that the lubricating oil is collected, and the lubricating oil is simultaneously conveyed to the oil outlet 12a, and the air forms rotational flow in the separator cavity 12 under the action of the centrifugal force, the centripetal force, the oil phase viscous force and other acting forces, and the rotational flow is formed in the separator cavity 12, because the rotating shaft 77 rotates at high speed to do work on the air, the rotational flow of the air is pressed into the second through holes 22a on the second centrifugal disk 20 at the lower part of the first centrifugal disk 19 of the rotating shaft 77, enters the rotating shaft 77, and is discharged from the air outlet 7a. This application utilizes the high pressure that the high-speed rotation produced in the oil and gas separator and engine exhaust system's low pressure, with the inside and outside differential pressure exhaust gas of oil and gas separator, collects the lubricating oil with high-speed rotatory centrifugal action, through hollow rotation axis 77, advance oil chamber subassembly, separation chamber subassembly and actuating mechanism be the setting, from taking power drive, not influenced by engine operating mode, possess separation efficiency height, the little advantage of structure size, improved product integration simultaneously, simplified the product structure. The first through hole 21 and the second through hole 22a are both communicated with the rotation shaft 77.
Example 2
As shown in fig. 4, on the basis of embodiment 1, the inner wall of the separator cavity 12 on the side where the oil outlet 12a is located is attached to the periphery of the first centrifugal disk 19 to form an attachment surface, and the second oil guide grooves 17, which have successively increasing depths and are communicated with the oil outlet 12a, are disposed on the inner wall of the separator cavity 12 along the rotation direction of the rotating shaft 77 with the attachment surface as a starting point. The initial depth of the second oil guide groove 17 is zero, the inner wall of the separator cavity 12 on the side where the oil outlet 12a is located is attached to the periphery of the first centrifugal disc 19 to form an attachment surface, and no lubricating oil is thrown out, and along with the counterclockwise rotation of the rotating shaft 77, the deeper the second oil guide groove 17 is, so that the collection and flowing discharge of the lubricating oil subjected to centrifugal force are facilitated.
Example 3
As shown in fig. 1, 2, 5 and 6, in embodiment 1, the rotation shaft 77, the first centrifugal disk 19, the blocking layer and the second centrifugal disk 20 are integrally formed, the first centrifugal disk 19 communicates with the rotation shaft 77 at the upper portion of the blocking layer, and the second centrifugal disk 20 communicates with the rotation shaft 77 at the lower portion of the blocking layer. The processing is convenient, the assembly, and the product structure is simple.
Example 4
As shown in fig. 4 and 6, in embodiment 1, the first centrifugal disk 19 between the first through holes 21 is provided with a semicircular notch 18 on the outer periphery. The semicircular notch 18 on the periphery of the first centrifugal disc 19 realizes tangential work on the lubricating oil in the second oil guide groove 17, and the lubricating oil is conveyed to the oil outlet 12a.
Example 5
As shown in fig. 2 and 5, in embodiment 4, there are 8 first through holes 21, 8 semicircular notches 18, and 8 second through holes 22 a. Is well suited for use in turbine engines.
Example 6
As shown in fig. 1 and 2, on the basis of embodiment 1, the separator cavity 12 at the lower part of the oil outlet 12a is shaped like a centripetal cone. The centripetal cone is formed, namely the air inlet of the second centrifugal disc 20 is arranged into a cone inclined plane, so that the air is favorably collected and discharged centripetally when rotating.
Example 7
As shown in fig. 1, 2 and 5, on the basis of embodiment 1, the separation chamber assembly further includes a rear bearing 88, a wave spring washer 99, a fixed sleeve 10 and a graphite ring 111, which are arranged on the rotating shaft 77 below the second centrifugal disk 20 in the separator cavity 12 in sequence from top to bottom. The graphite ring 111 is in contact with a rotating component on the rotating shaft 77 rotating at a high speed, so that sliding sealing in a cavity in the separator is realized and contact friction between a metal component and the rotating component is prevented; the wave spring washer 99 is used for axial pressing and pre-tightening of the rear bearing 88; the rotating shaft 77 is fitted and fixed in the separator chamber 12 by the front bearing 33, the rear bearing 88, the wave spring washer 99, the fixed sleeve 10, and the graphite ring 111.
Example 8
As shown in fig. 1 and 2, in embodiment 2, a separator inner cavity cover 55 fitted to the separator cavity 12 is provided on the outer periphery of the rotating shaft 77 on the upper portion of the first centrifugal disk 19, and an inner cavity sealing rubber ring 66 is provided between the separator cavity 12 and the separator inner cavity cover 55. The sealing of the inner cavity body of the separator is realized, and the oil gas leakage is prevented.
Example 9
As shown in fig. 1-3, on the basis of embodiment 8, the upper portion of separator inner chamber cover 55 is provided with an oil inlet chamber assembly, the oil inlet chamber assembly includes being located separator inner chamber cover 55 upper portion and cover are established the separator cover 22 of rotation axis 77 top and periphery is located in separator cover 22 the front bearing 33 on rotation axis 77 upper portion is located oil gas import 2a on separator cover 22 and is located in separator cover 22a plurality of evenly distributed of front bearing 33 periphery with the first oil guide groove 16 of oil gas import 2a intercommunication, first oil guide groove 16 is the axial oil guide groove, preferably 3, the top of rotation axis 77 is higher than front bearing 33, separator cover 22 with be provided with cover seal rubber ring 44 between separator inner chamber cover 55, cover seal rubber ring 44 has realized the seal screw of air inlet chamber, prevents oil gas leakage, separator cover 22 with separator inner chamber cover 55 and the separator cavity 12 between through a plurality of connection first 11 is fixed, first 11 evenly distributed, preferably 4 are 4 evenly distributed. The first oil guide groove 16 is arranged to change the oil-gas mixture entering from the oil-gas inlet 2a from a transverse flow to an upward axial movement, and enters the rotating shaft 77 from the opening at the upper part of the rotating shaft 77, a gap for the oil-gas mixture to flow is formed between the rotating shaft 77 and the inner wall of the separator cover 22, the lubricating oil has high density and is influenced by inertia, and oil drop collision, oil film collision and oil drop collision are caused to the lubricating oil drops, so that the oil drops are adhered to each other, and larger oil drops are more beneficial to the later centrifugal separation.
Example 10
As shown in fig. 1, 2 and 5, in embodiment 1, the driving mechanism is an outer rotor permanent magnet brushless motor, the motor includes a motor stator coil 13, a motor outer rotor 14, a permanent magnet 14a and a second screw 15, the motor outer rotor 14 is connected with the rotating shaft 77 through the second screw 15 for transmission, and the maximum rotation speed of the motor is 25000r/min. The stator of the outer rotor permanent magnet brushless motor is fixed in the groove body at the bottom of the separator cavity 12, the outer rotor of the outer rotor permanent magnet brushless motor is connected and fixed with the through hole at the bottom of the rotating shaft 77 through the through holes at two sides through the embedded screws, and the outer rotor 14 of the motor is driven to the rotating shaft 77 to rotate at the same speed.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a high-speed rotatory oil and gas separator for turbine engine, characterized in that, includes hollow rotation axis (77), rotation axis (77) upper portion is provided with oil feed chamber subassembly, the middle part of rotation axis (77) is provided with the separation chamber subassembly, the lower part of rotation axis (77) is provided with actuating mechanism, the separation chamber subassembly is including being located separator cavity (12) of rotation axis (77) middle part periphery, be located in separator cavity (12) the partition layer in rotation axis (77) middle part, be located first centrifugal disc (19) on partition layer upper portion, be located second centrifugal disc (20) of partition layer lower part, be located a plurality of first through-holes (21) of first centrifugal disc (19) periphery and be located a plurality of second through-holes (22 a) of second centrifugal disc (20) periphery, be located in separator cavity (12) with a plurality of second oil guide groove (17) intercommunication and be located on separator cavity (12) with the oil guide groove (17) intercommunication of second, the rotation axis (77) bottom is the export of rotation axis (7 a).
2. The high-speed rotating oil-gas separator for the turbine engine as claimed in claim 1, wherein an inner wall of the separator cavity (12) on the side where the oil outlet (12 a) is located is attached to the outer periphery of the first centrifugal disk (19) to form an attachment surface, and starting from the attachment surface, the second oil guide grooves (17) which are sequentially increased in depth and communicated with the oil outlet (12 a) are formed in the inner wall of the separator cavity (12) along the rotation direction of the rotating shaft (77).
3. A turbo engine used in oil separator rotating at high speed according to claim 1, wherein the rotation shaft (77), the first centrifugal disk (19), the blocking layer and the second centrifugal disk (20) are integrally formed, the first centrifugal disk (19) is communicated with the rotation shaft (77) at the upper portion of the blocking layer, and the second centrifugal disk (20) is communicated with the rotation shaft (77) at the lower portion of the blocking layer.
4. A high-speed rotation oil and gas separator for a turbine engine as claimed in claim 1, wherein the outer circumference of the first centrifugal disk (19) between the first through holes (21) is provided with a semicircular notch (18).
5. A turbo engine used oil-gas separator rotating at high speed in accordance with claim 4, wherein the number of the first through holes (21) is 8, the number of the semicircular notches (18) is 8, and the number of the second through holes (22 a) is 8.
6. A high speed rotary gas-oil separator for turbine engines, as claimed in claim 1, wherein the separator chamber (12) at the lower part of the oil outlet port (12 a) is formed in a shape of a centripetal cone.
7. The high-speed rotating oil-gas separator for the turbine engine as claimed in claim 1, wherein the separation chamber assembly further comprises a rear bearing (88), a wave spring washer (99), a fixed sleeve (10) and a graphite ring (111) which are arranged on the rotating shaft (77) below the second centrifugal disk (20) in the separator cavity (12) from top to bottom.
8. The high-speed rotating oil-gas separator for the turbine engine as claimed in claim 2, wherein a separator inner cavity cover (55) matched with the separator cavity (12) is arranged on the periphery of the rotating shaft (77) at the upper part of the first centrifugal disk (19), and an inner cavity sealing rubber ring (66) is arranged between the separator cavity (12) and the separator inner cavity cover (55).
9. The high-speed rotating oil-gas separator for the turbine engine according to claim 8, characterized in that, the upper portion of separator inner chamber lid (55) is provided with the oil feed chamber subassembly, the oil feed chamber subassembly is including being located separator inner chamber lid (55) upper portion and cover are established separator cover (22) of rotation axis (77) top and periphery are located in separator cover (22) front bearing (33) on rotation axis (77) upper portion, be located oil gas import (2 a) on separator cover (22) and be located in separator cover (22) the evenly distributed of front bearing (33) periphery a plurality of with first oil guide groove (16) of oil gas import (2 a) intercommunication, the top of rotation axis (77) is higher than front bearing (33), separator cover (22) with be provided with cover sealing rubber ring (44) between separator inner chamber lid (55), separator cover (22) with separator inner chamber lid (55) and first fixed connection (11) between separator cavity (12) through a plurality of.
10. The high-speed rotating oil-gas separator for the turbine engine, as claimed in claim 1, wherein the driving mechanism is an outer rotor permanent magnet brushless motor, the motor comprises a motor stator coil (13), a motor outer rotor (14), a permanent magnet (14 a) and a second screw (15), the motor outer rotor (14) is connected with the rotating shaft (77) through the second screw (15) for transmission, and the maximum rotating speed of the motor is 25000r/min.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011281841.6A CN112392563B (en) | 2020-11-16 | 2020-11-16 | High-rotating-speed oil-gas separator for turbine engine |
| PCT/CN2021/108592 WO2022100150A1 (en) | 2020-11-16 | 2021-07-27 | High-rotation-speed oil-gas separator for turbine engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011281841.6A CN112392563B (en) | 2020-11-16 | 2020-11-16 | High-rotating-speed oil-gas separator for turbine engine |
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| CN112392563A CN112392563A (en) | 2021-02-23 |
| CN112392563B true CN112392563B (en) | 2022-11-29 |
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| WO (1) | WO2022100150A1 (en) |
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| CN112392563B (en) * | 2020-11-16 | 2022-11-29 | 四川航天中天动力装备有限责任公司 | High-rotating-speed oil-gas separator for turbine engine |
| CN115318013A (en) * | 2022-07-05 | 2022-11-11 | 中国航发湖南动力机械研究所 | Centrifugal oil-gas separation structure |
| CN115463456B (en) * | 2022-09-30 | 2023-10-13 | 中国航发哈尔滨东安发动机有限公司 | Oil-gas separator structure |
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| GB1508212A (en) * | 1975-02-10 | 1978-04-19 | Rolls Royce | Apparatus for separating suspension of liquids in gas |
| GB9320231D0 (en) * | 1993-10-01 | 1993-11-17 | Boc Group Plc | Gas-liquid separation methods and apparatus |
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| CN109322747B (en) * | 2018-12-14 | 2024-02-02 | 哈尔滨广瀚动力技术发展有限公司 | Static air separator of gas turbine lubricating oil system |
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| CN210686086U (en) * | 2019-09-10 | 2020-06-05 | 平原滤清器有限公司 | Active oil-gas separator |
| CN110671160B (en) * | 2019-11-20 | 2021-11-26 | 四川航天中天动力装备有限责任公司 | Rotor supporting and lubricating integrated structure of small turbine engine |
| CN111396197A (en) * | 2020-04-10 | 2020-07-10 | 中国船舶重工集团公司第七0三研究所 | Air separator of gas turbine |
| CN112392563B (en) * | 2020-11-16 | 2022-11-29 | 四川航天中天动力装备有限责任公司 | High-rotating-speed oil-gas separator for turbine engine |
-
2020
- 2020-11-16 CN CN202011281841.6A patent/CN112392563B/en active Active
-
2021
- 2021-07-27 WO PCT/CN2021/108592 patent/WO2022100150A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN112392563A (en) | 2021-02-23 |
| WO2022100150A1 (en) | 2022-05-19 |
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