CN112392563A - 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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- CN112392563A CN112392563A CN202011281841.6A CN202011281841A CN112392563A CN 112392563 A CN112392563 A CN 112392563A CN 202011281841 A CN202011281841 A CN 202011281841A CN 112392563 A CN112392563 A CN 112392563A
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- rotating shaft
- turbine engine
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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, in particular to the field of high-rotating-speed oil-gas separators, in order to solve the defects that the prior turbine engine is greatly influenced by the working condition of the engine and the structural size can not meet the requirement of a high-rotating-speed turbine engine, the turbine engine comprises a hollow rotating shaft, the upper part of the rotating shaft is provided with an oil inlet cavity component, the middle part of the rotating shaft is provided with a separation cavity component, the lower part of rotation axis is provided with actuating mechanism, the separation chamber subassembly includes the separator cavity, 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 oil groove and being located are led to the second with a plurality of first through-hole intercommunications in the separator cavity with the oil-out that the oil groove intercommunication is led to the second. The self-powered turbine engine is driven by power, is not influenced by the working condition of the engine, has high separation efficiency, and can meet the requirements of the volume and the weight of a 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 is mixed with the air 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, and 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 are overcome.
The technical scheme adopted by the invention is as follows:
a high-speed rotating oil-gas separator for a turbine engine comprises a hollow rotating shaft, wherein an oil inlet cavity assembly is arranged at the upper part of the rotating shaft, the middle part of the rotating shaft is provided with a separation cavity component, the lower part of the rotating shaft is provided with a driving 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 a plurality of first through-holes of first centrifugal disc periphery and being located a plurality of second through-holes of second centrifugal disc periphery are located in the separator cavity with a plurality of oil groove and being located are led to the second of first through-hole intercommunication 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 mouth.
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 plurality of 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, the oil drop particles are enabled to complete the actions of oil drop collision, crushing, polymerization and the like in the second oil guide groove by contacting with the second oil guide groove in the separator cavity, so as to collect the lubricating oil, meanwhile, the lubricating oil is conveyed to the oil outlet, air is subjected to smaller centrifugal force, is subjected to the acting force such as centripetal force and oil phase viscous force, and forms rotational flow in the separator cavity, and the rotational flow of the air is pressed into the second through holes in the second centrifugal disc at the lower part of the first centrifugal disc, into the rotating shaft and out of the gas outlet. 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 rotation axis, first centrifugal disc, the barrier layer with the second centrifugal disc integrated into one piece, first centrifugal disc with the rotation axis intercommunication on barrier layer upper portion, the second centrifugal disc with the rotation axis intercommunication of barrier layer lower part. Convenient processing, assembly, product simple structure.
Preferably, a semicircular notch is formed in the periphery of the first centrifugal disk between the first through holes. The semicircular gap on 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 in a shape of 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 contacted with a rotating part on a rotating shaft rotating at a high speed, so that the sliding seal in a cavity in the separator is realized, and the contact friction between a metal part and the rotating part 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, the periphery of the rotating shaft at the upper part of the first centrifugal disc is provided with a separator inner cavity cover matched with the separator cavity, 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 the separator inner chamber covers upper portion and cover and establishes the separator cover in rotation axis top and periphery, is located in the separator cover the front bearing on rotation axis upper portion is located oil gas import on the separator cover and is located in the separator cover a plurality of and the first oil guide groove of oil gas import intercommunication of the evenly distributed of front bearing periphery, first oil guide groove is the axial oil guide groove, preferably 3, the top of rotation axis is higher than the front bearing, the separator cover with be provided with cover sealing rubber ring between the separator inner chamber lid, cover sealing of admitting air chamber has been realized to sealing up sealing rubber ring, prevents oil gas leakage, the separator cover with separator inner chamber lid reaches through a plurality of first screws of connection between the separator cavity, the first screws are evenly distributed, preferably 4. The first oil guide groove is arranged to change an oil-gas mixture entering from an oil-gas inlet into upward axial motion from transverse flow and enter the rotating shaft from an opening in the upper part of the rotating shaft, a gap for the oil-gas mixture to flow is formed between the rotating shaft and the inner wall of the separator cover, lubricating oil is high in density and is influenced by inertia, oil drops collide with each other, an oil film collides with the oil drops and collide with the wall of the oil drops, so that the oil drops are adhered to each other, and larger oil drops are formed to be more beneficial to later centrifugal separation.
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 25000 r/min. The stator of the outer rotor permanent magnet brushless motor is fixed in a groove body at the bottom of the separator cavity, 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 embedded screws, so that the outer rotor of the motor is driven to rotate the rotating shaft 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 and 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 diagram 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 is 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 labels in the figure are: 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 22-a second through hole.
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 are not intended to 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 at an upper portion of the rotating shaft 77, a separation chamber assembly is disposed at a middle portion of the rotating shaft 77, a driving mechanism is disposed at a lower portion of the rotating shaft 77, the separation chamber assembly includes a separator chamber 12 located at an outer periphery of the middle portion of the rotating shaft 77, a partition layer located at the middle portion of the rotating shaft 77 in the separator chamber 12, a first centrifugal disk 19 located at an upper portion of the partition layer, a second centrifugal disk 20 located at a lower portion of the partition layer, a plurality of first through holes 21 located at an outer periphery of the first centrifugal disk 19 and a plurality of second through holes 22 located at 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, the bottom of the rotating shaft 77 is an air outlet 7 a.
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 lubricating oil particles obtain larger centrifugal force due to large density of the lubricating oil, so that the lubricating oil has larger radial and tangential speeds, the lubricating oil is contacted with the second oil guide groove 17 in the separator cavity 12, so that the oil drop particles complete the motions of oil drop collision, crushing, polymerization and the like in the second oil guide groove 17, the collection of the lubricating oil is realized, the lubricating oil is simultaneously conveyed to the oil outlet 12a, air is subjected to smaller centrifugal force, the acting forces such as the centripetal force and the oil phase viscous force and the like, a rotational flow is formed in the separator cavity 12, because the rotating shaft 77 rotates at high speed to apply work to the air, the rotational flow of the air is pressed into the second through holes 22 on the second centrifugal disk, enters the rotary shaft 77 and is discharged from the air outlet 7 a. 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, 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, do not influenced by engine operating mode, possess separation efficiency height, the little advantage of structure size, improved product integration simultaneously, simplified product structure. The first through hole 21 and the second through hole 22 are both communicated with the rotation shaft 77.
Example 2
As shown in fig. 4, on the basis of embodiment 1, an inner wall of the separator cavity 12 on the side where the oil outlet 12a is located is attached to the outer 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 formed in 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 degree of depth of second oil guide groove 17 is zero, and the laminating face that forms is laminated mutually with first centrifugation disc 19 periphery to the inner wall of separator cavity 12 of one side at oil-out 12a place has no lubricating oil to throw away, and along with rotation axis 77 anticlockwise rotation, the second oil guide groove 17 body is darker, does benefit to the collection and the flow discharge of the lubricating oil that receives centrifugal force.
Example 3
As shown in fig. 1, 2, 5 and 6, in example 1, the rotation shaft 77, the first centrifugal disk 19, the barrier 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 barrier layer, and the second centrifugal disk 20 communicates with the rotation shaft 77 at the lower portion of the barrier layer. Convenient processing, assembly, product simple structure.
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 gap 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 12 a.
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. Is just suitable for turbine engines.
Example 6
As shown in fig. 1 and 2, based on embodiment 1, the separator cavity 12 below the oil outlet 12a has a shape of a centripetal cone. The centripetal pyramid shape, that is, the air inlet of the second centrifugal disk 20 is set to be a cone slope, 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 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 through 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 the separator inner cavity cover 55 is provided with an oil inlet cavity assembly, the oil inlet cavity assembly includes a separator cover 22 located on the upper portion of the separator inner cavity cover 55 and sleeved on the top and periphery of the rotating shaft 77, a front bearing 33 located on the upper portion of the rotating shaft 77 in the separator cover 22, an oil-gas inlet 2a located on the separator cover 22 and a plurality of first oil guide grooves 16 located in the separator cover 22 and uniformly distributed on the periphery of the front bearing 33 and communicated with the oil-gas inlet 2a, the first oil guide grooves 16 are axial oil guide grooves, preferably 3, the top end of the rotating shaft 77 is higher than the front bearing 33, a cover sealing rubber ring 44 is provided between the separator cover 22 and the separator inner cavity cover 55, the cover sealing rubber ring 44 realizes the sealing of the air inlet cavity, prevent oil gas leakage, separator cover 22 with separator inner chamber lid 55 reaches it is fixed through a plurality of first screws 11 of connecting between the separator cavity 12, first screw 11 evenly distributed, preferably 4. 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 25000 r/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 only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present 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) of second centrifugal disc (20) periphery, be located in separator cavity (12) with a plurality of second oil groove (17) that first through-hole (21) communicate and be located An oil outlet (12a) which is communicated with the second oil guide groove (17) is formed in the separator cavity (12), and an air outlet (7a) is formed in the bottom of the rotating shaft (77).
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 (12a) is located is attached to the outer periphery of the first centrifugal disk (19) to form an attachment surface, and the second oil guide groove (17) having successively increasing depths and communicating with the oil outlet (12a) is formed in 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.
3. A turbo engine used in oil-gas separator rotating at high speed according to claim 1, wherein the rotation shaft (77), the first centrifugal disk (19), the barrier 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 barrier layer, and the second centrifugal disk (20) is communicated with the rotation shaft (77) at the lower portion of the barrier 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) is 8.
6. A turbo-engine high speed rotation oil and gas separator according to claim 1, wherein said separator cavity (12) at the lower part of said oil outlet (12a) is in the shape of a centripetal cone.
7. The gas-oil separator for a turbine engine with high-speed rotation according to 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, wherein an oil inlet chamber assembly is arranged on the upper portion of the separator inner chamber cover (55), the oil inlet chamber assembly comprises a separator cover (22) which is arranged on the upper portion of the separator inner chamber cover (55) and sleeved on the top and periphery of the rotating shaft (77), a front bearing (33) which is arranged on the upper portion of the rotating shaft (77) in the separator cover (22), an oil-gas inlet (2a) which is arranged on the separator cover (22) and a plurality of first oil guide grooves (16) which are uniformly distributed on the periphery of the front bearing (33) and communicated with the oil-gas inlet (2a) in the separator cover (22), the top end of the rotating shaft (77) is higher than the front bearing (33), and a cover sealing rubber ring (44) is arranged between the separator cover (22) and the separator inner chamber cover (55), the separator cover (22), the separator inner cavity cover (55) and the separator cavity (12) are fixed through a plurality of first connecting screws (11).
10. The high-speed rotating oil-gas separator for the turbine engine is characterized in that 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 (14a) and a second screw (15), the motor outer rotor (14) is in transmission connection with the rotating shaft (77) through the second screw (15), and the maximum rotating speed of the motor is 25000 r/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 |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
|---|---|
| CN112392563A true CN112392563A (en) | 2021-02-23 |
| CN112392563B CN112392563B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011281841.6A Active CN112392563B (en) | 2020-11-16 | 2020-11-16 | High-rotating-speed oil-gas separator for turbine engine |
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| CN (1) | CN112392563B (en) |
| WO (1) | WO2022100150A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022100150A1 (en) * | 2020-11-16 | 2022-05-19 | 四川航天中天动力装备有限责任公司 | High-rotation-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 |
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| 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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| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112392563B (en) | 2022-11-29 |
| WO2022100150A1 (en) | 2022-05-19 |
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