CN108224055B - Lubricating oil system and lubricating oil degassing device thereof - Google Patents
Lubricating oil system and lubricating oil degassing device thereof Download PDFInfo
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- CN108224055B CN108224055B CN201711385299.7A CN201711385299A CN108224055B CN 108224055 B CN108224055 B CN 108224055B CN 201711385299 A CN201711385299 A CN 201711385299A CN 108224055 B CN108224055 B CN 108224055B
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- lubricating oil
- barrel
- degassing unit
- degassing
- oil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/04—Arrangements for conditioning of lubricants in the lubricating system by heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/002—Arrangements for conditioning of lubricants in the lubricating system by deaeration
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention discloses a lubricating oil system and a lubricating oil degassing device thereof, wherein the lubricating oil degassing device comprises a cylinder body, a central air guide pipe is arranged at the central position in the cylinder body, a time-delay degassing unit, a metal wire mesh degassing unit and a centrifugal degassing unit are sequentially arranged on the cylinder body from top to bottom, the time-delay degassing unit comprises a spiral blade sleeved on the central air guide pipe, a spiral channel is formed between the spiral blade and the cylinder body, the metal wire mesh degassing unit comprises a mesh plate and a metal wire mesh which are sequentially sleeved on the central air guide pipe from top to bottom, a gap is arranged between the mesh plate and the metal wire mesh, the centrifugal degassing unit comprises a paddle and a heating device, the paddle is sleeved on the central air guide pipe, and the heating. The lubricating oil degassing device provided by the invention discharges gas in the lubricating oil through the combined action of the delay degassing unit, the wire mesh degassing unit and the centrifugal degassing unit, and has the advantages of simple structure and good effect.
Description
Technical Field
The invention relates to a lubricating oil system, in particular to a lubricating oil system and a lubricating oil degassing device thereof.
Background
The lubricating oil system is an important guarantee system of the power device, and a certain amount of air is inevitably mixed in the running of the lubricating oil system, so that the running of the lubricating oil system is influenced significantly. On one hand, cavitation and cavitation erosion occur when the lubricating oil pump works, so that the working performance and the acoustic performance of the lubricating oil pump are deteriorated, and the working life of the lubricating oil pump is shortened; on the other hand, bubbles entrained in the lubricating oil destroy the lubricating liquid film, and increase friction and wear of the lubricated surface. Therefore, oil system design needs to take into account oil degassing issues.
As the lubricating oil medium has high viscosity, the degassing method mainly comprises the methods of time delay retention, centrifugal degassing, vacuum filtration and the like. When the method is applied, the method only can remove the bubbles within a certain fixed size range, and the removal effect on the bubbles with overlarge and undersize is not ideal; if the above-mentioned degassing measures are simply combined in a superimposed manner, although the degassing effect can be improved to some extent, the complexity of the lubricating oil system is increased, which leads to an increase in the space requirement and the power consumption for operation.
It can be seen that the prior lubricating system has the problems of poor degassing quality and low efficiency.
Disclosure of Invention
The invention aims to solve the technical problems of poor degassing quality and low efficiency of the existing lubricating oil system.
In order to solve the technical problem, the technical scheme adopted by the invention is to provide a lubricating oil degassing device, which comprises a cylinder body, wherein a central air duct is arranged at the central position in the cylinder body, and the cylinder body is sequentially provided with:
the time-delay degassing unit comprises a helical blade sleeved on the central air duct, and a helical channel is formed between the helical blade and the barrel;
the wire mesh degassing unit comprises a mesh plate and a wire mesh which are sequentially sleeved on the central air guide pipe from top to bottom, and a gap is formed between the mesh plate and the wire mesh;
the centrifugal degassing unit comprises a blade and a heating device, the blade is sleeved on the central gas guide pipe, and the heating device is arranged on the outer wall of the cylinder;
and lubricating oil enters from the top of the cylinder and sequentially passes through the time-delay degassing unit, the wire mesh degassing unit and the centrifugal degassing unit, so that gas is discharged through the central gas guide pipe.
In the above scheme, the barrel includes from top to bottom integrated into one piece's last barrel, upper portion shrink barrel, lower barrel and lower part shrink barrel in proper order. The internal diameter of upper portion shrink barrel with the shrink barrel of lower part reduces from top to bottom gradually, the diameter of going up the barrel is greater than the diameter of barrel down.
In the above scheme, a partition plate is arranged in the upper barrel, the lower surface of the partition plate is in contact with the top of the helical blade, an oil guide cavity is enclosed between the partition plate and the upper barrel, the oil guide cavity is connected with an oil spilling pipe, and the oil spilling pipe is communicated with a lubricating oil discharge pipe.
In the above scheme, the top of the central air duct is provided with an air guide and outlet duct, the air guide and outlet duct is connected with an exhaust duct, and the exhaust duct is communicated with the inner cavity of the upper barrel.
In the scheme, the bottom of the central air duct is provided with a conical air guide end face, the side wall of the central air duct is provided with a plurality of first air guide holes, and the air guide end face is provided with a plurality of second air guide holes.
This scheme still provides the lubricating oil system, and it includes lubricating oil gas removal equipment, still includes oil tank, lubricating oil delivery pump and oil equipment, lubricating oil gas removal equipment, oil tank, lubricating oil delivery pump and oil equipment pipe connection in proper order.
The lubricating oil degassing device provided by the invention discharges gas in the lubricating oil through the combined action of the delay degassing unit, the wire mesh degassing unit and the centrifugal degassing unit, and has the advantages of simple structure and good effect.
Drawings
FIG. 1 is a schematic illustration of an oil system of the present invention;
FIG. 2 is a schematic view of an oil degassing apparatus according to the present invention;
fig. 3 is an enlarged view of a portion a of fig. 2.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings.
As shown in FIG. 1, the present invention provides an oil degassing apparatus 1 and an oil system for removing gas in oil. The lubricating oil system comprises a lubricating oil degassing device 1, an oil tank 2, a lubricating oil delivery pump 3 and an oil consumption device 4 which are sequentially connected through a pipeline, the lubricating oil delivery pump 3 is used for delivering the lubricating oil in the oil tank 2 to the oil consumption device 4, the lubricating oil degassing device 1 is used for receiving the lubricating oil discharged by the oil consumption device 4, degassing is carried out on the lubricating oil and the lubricating oil is discharged into the oil tank 2, circulation is formed, in the circulation, the lubricating oil flows back to the oil tank 2 through the oil consumption device 4 through self gravity, the driving force of the lubricating oil delivery pump 3 cannot be consumed in the process, and energy is saved.
As shown in fig. 2 to 3, the lubricating oil degassing device 1 provided by the invention comprises a cylinder body, wherein a gas guide device is arranged in the cylinder body, a delay degassing unit, a wire mesh degassing unit and a centrifugal degassing unit are sequentially arranged on the cylinder body from top to bottom, lubricating oil enters from the top of the cylinder body and sequentially passes through the delay degassing unit, the wire mesh degassing unit and the centrifugal degassing unit, so that gas in the lubricating oil is separated from the lubricating oil, and the separated gas is discharged out of the cylinder body through the gas guide device.
The cylinder comprises an upper cylinder 105, an upper shrinkage cylinder 110, a lower cylinder 111 and a lower shrinkage cylinder 114 which are integrally formed from top to bottom. The inner diameters of the upper and lower contracting cylinders 110 and 114 are gradually reduced from top to bottom, and the diameter of the upper cylinder 105 is larger than that of the lower cylinder 111.
The air guide device comprises a central air guide tube 102, the central air guide tube 102 is axially arranged at the central position of the cylinder body in a penetrating manner along the cylinder body, an air guide and outlet tube 101 is arranged at the top of the central air guide tube 102, and a tapered air guide end face 123 is arranged at the bottom of the central air guide tube. The side wall of the central air duct 102 is provided with a plurality of first air guide holes 124, the air guide end face 123 is provided with a plurality of second air guide holes 125 for guiding out the gas separated from the lubricating oil and leading out the gas from the air guide and outlet pipe 101, the air guide and outlet pipe 101 is connected with an exhaust duct 116, and the exhaust duct 116 is communicated with the inner cavity of the upper barrel 105 and used for air guide and exhaust.
The delayed degassing unit is arranged in the upper cylinder 105 and comprises a helical blade 104, the helical blade 104 is arranged around the central air duct 102, and an annular lubricating oil channel is formed among the helical blade 104, the central air duct 102 and the upper cylinder 105. The lubricating oil enters the lubricating oil channel from the oil inlet pipe 103 arranged at the upper part of the upper cylinder 105, the lubricating oil slides down along the lubricating oil channel after entering the lubricating oil channel, and vapor bubbles with larger volume in the lubricating oil can float to the surface and be broken in the process of sliding down, so that gas is separated.
The separated gas is discharged out of the upper cylinder 105 through the exhaust duct 116, and in order to further enhance the degassing effect, the helical blade 104 is rotationally arranged, and the rotational direction of the helical blade is opposite to the flowing direction of the lubricating oil in the working process, so that the transmission time of the lubricating oil on the helical blade 104 can be prolonged, and bubbles in the lubricating oil are promoted to float upwards and break continuously. In order to avoid the sudden increase of the introduced amount of the lubricating oil during the transmission of the lubricating oil, an oil guiding assembly is arranged on the upper cylinder 105 for discharging the excessive lubricating oil.
The oil guiding assembly comprises a partition plate 118 and an oil spilling pipe 119, the partition plate 118 is arranged in the upper cylinder body 105, the lower surface of the partition plate 118 is in contact with the top of the spiral blade 104, an oil guiding cavity is defined between the upper surface of the spiral blade 104 and the upper cylinder body 105, excessive lubricating oil can be transmitted into the oil guiding cavity under the rotation action of the spiral blade 104, two ends of the oil spilling pipe 119 are respectively communicated with the oil guiding cavity and a lubricating oil discharging pipe 115, so that the lubricating oil in the oil guiding cavity is discharged through the lubricating oil discharging pipe 115, and the lubricating oil discharging pipe 115 is arranged at the bottom of the lower contraction cylinder body 114 and communicated with the inner cavity of the lower contraction cylinder body 114.
The wire mesh degassing unit is arranged in the upper cylinder 105 and comprises a mesh plate 106 and a wire mesh 108 which are sleeved on the central air guide pipe 102 from top to bottom, the mesh plate 106 is fixed with the inner wall of the upper cylinder 105, the wire mesh 108 is supported by a support ring 109 and is pressed and fixed through a pressing ring 107, the support ring 109 is sleeved on the central air guide pipe 102 and is fixedly connected with the upper cylinder 105, the pressing ring 107 is sleeved on the central air guide pipe 102, the wire mesh 108 can be pressed in a threaded connection mode with the upper cylinder 105 or the central air guide pipe 102, and the wire mesh 108 can be pressed through a locking assembly.
The oil flows through the helical blades 104 into the wire mesh degassing unit, and at this time, the oil has a certain flow speed and is unevenly distributed. Therefore, before entering the wire mesh 108, the lubricating oil needs to pass through the mesh plate 106, and a gap is formed between the mesh plate 106 and the wire mesh 108, so that the lubricating oil has uniform fluidity when entering the wire mesh 108, the filtering treatment of the lubricating oil by the wire mesh 108 is facilitated, the wire mesh 108 plays a role in crushing and removing oil foam, bubbles in the lubricating oil in the form of the oil foam are removed, gas is released, and the gas can be discharged through the exhaust duct 116.
Centrifugal degasification unit sets up under on barrel 111, including paddle 120 and heating element 113, on central air duct 102 was established to paddle 120 cover, the lubricating oil flows through paddle 120, and rotate under the effect of paddle 120, can accelerate the collection of the inside bubble of lubricating oil, the integration, in order to further promote the degasification effect, heating device 113 sets up under on barrel 111's the outer wall, heating device 113 is electric heating device or steam heating device, can make the interior bubble of lubricating oil receive thermal energy, and constantly collect to central air duct 102 under the effect of paddle 120, and enter into in the central air duct 102, discharge gas. In order to avoid accidental scalding, the heat insulation shell 112 is arranged outside the heating device 113, so that a protection effect is achieved.
The working principle of the invention is as follows: oil gets rid of mixing the great bubble of volume in the lubricating oil through time delay degassing unit earlier, makes oil flow through wire mesh degassing unit again and stabilizes to filter the bubble of oil foam form, through centrifugal degassing unit again, make more tiny bubble collect, fuse, and stage by stage and pertinence get rid of gas, and the gas that gets rid of in each stage all can in time get rid of through central air duct 102 or exhaust duct 116, and work efficiency is high, and gas gets rid of effectually. In addition, the characteristics of the diameter change of the upper contraction cylinder 110 and the lower contraction cylinder 114 can increase the flow rate of the lubricating oil in the cylinders, promote bubble fusion and further improve the degassing efficiency of the lubricating oil.
The lubricating oil degassing device provided by the invention discharges gas in the lubricating oil through the combined action of the delay degassing unit, the wire mesh degassing unit and the centrifugal degassing unit, and has the advantages of simple structure and good effect.
The present invention is not limited to the above-mentioned preferred embodiments, and any structural changes that can be made in the present invention will fall within the scope of the present invention, and all technical changes that are the same as or similar to the present invention will be understood by those skilled in the art.
Claims (4)
1. Lubricating oil gas removal equipment, including the barrel, its characterized in that, central point in the barrel puts the department and is equipped with central air duct, be equipped with from top to bottom in proper order on the barrel:
the time-delay degassing unit comprises a helical blade sleeved on the central gas-guide tube, a helical channel is formed between the helical blade and the barrel, and the separated gas is discharged from an exhaust duct positioned at the top;
the wire mesh degassing unit comprises a mesh plate and a wire mesh which are sequentially sleeved on the central air guide pipe from top to bottom, and a gap is formed between the mesh plate and the wire mesh;
the centrifugal degassing unit comprises a blade and a heating device, the blade is sleeved on the central gas guide pipe, the heating device is arranged on the outer wall of the cylinder, and separated gas is discharged from the central gas guide pipe;
lubricating oil enters from the top of the cylinder and sequentially passes through the time delay degassing unit, the wire mesh degassing unit and the centrifugal degassing unit, so that gas is discharged through the central gas guide pipe, a conical gas guide end face is arranged at the bottom of the central gas guide pipe, a plurality of first gas guide holes are formed in the side wall of the central gas guide pipe, and a plurality of second gas guide holes are formed in the gas guide end face;
the barrel is including last barrel, the upper portion shrink barrel of integrated into one piece in proper order from top to bottom, barrel and the lower part shrink barrel down, the upper portion shrink barrel with the internal diameter of the lower part shrink barrel reduces from top to bottom gradually, the diameter of going up the barrel is greater than the diameter of barrel down.
2. The lubricating oil degassing device of claim 1 wherein a partition is disposed in the upper cylinder, the lower surface of the partition contacts with the top of the helical blade, an oil guiding cavity is defined between the partition and the upper cylinder, the oil guiding cavity is connected with an oil spill pipe, and the oil spill pipe is communicated with a lubricating oil discharge pipe.
3. The lubricating oil degassing device of claim 1 wherein a gas outlet duct is provided at the top of the central gas duct, the gas outlet duct being connected to an exhaust duct, the exhaust duct communicating with the inner chamber of the upper barrel.
4. A lubricating oil system comprising a lubricating oil degassing apparatus according to any one of claims 1 to 3, further comprising a tank, a lubricating oil delivery pump and an oil consumption device, the lubricating oil degassing apparatus, the tank, the lubricating oil delivery pump and the oil consumption device being sequentially connected by piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385299.7A CN108224055B (en) | 2017-12-20 | 2017-12-20 | Lubricating oil system and lubricating oil degassing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385299.7A CN108224055B (en) | 2017-12-20 | 2017-12-20 | Lubricating oil system and lubricating oil degassing device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108224055A CN108224055A (en) | 2018-06-29 |
| CN108224055B true CN108224055B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711385299.7A Active CN108224055B (en) | 2017-12-20 | 2017-12-20 | Lubricating oil system and lubricating oil degassing device thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114234027B (en) * | 2021-11-11 | 2023-07-11 | 湖北清江水电开发有限责任公司 | Multilayer laminated bearing respirator of water turbine and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389649A (en) * | 2011-10-18 | 2012-03-28 | 江苏浩特隆搅拌设备有限公司 | Spiral defoamer |
| CN203614515U (en) * | 2013-11-16 | 2014-05-28 | 山推工程机械股份有限公司 | Hydraulic system oil bubble eliminator used for bulldozer |
| CN205252718U (en) * | 2015-12-04 | 2016-05-25 | 中国石油化工股份有限公司 | Vertical gas -liquid separator |
| CN206045489U (en) * | 2016-08-31 | 2017-03-29 | 天津成科传动机电技术股份有限公司 | The efficient online air bubble eliminating device of twin-stage fluid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8181746B2 (en) * | 2008-09-18 | 2012-05-22 | United Technologies Corporation | Continuous supply fluid reservoir |
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2017
- 2017-12-20 CN CN201711385299.7A patent/CN108224055B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389649A (en) * | 2011-10-18 | 2012-03-28 | 江苏浩特隆搅拌设备有限公司 | Spiral defoamer |
| CN203614515U (en) * | 2013-11-16 | 2014-05-28 | 山推工程机械股份有限公司 | Hydraulic system oil bubble eliminator used for bulldozer |
| CN205252718U (en) * | 2015-12-04 | 2016-05-25 | 中国石油化工股份有限公司 | Vertical gas -liquid separator |
| CN206045489U (en) * | 2016-08-31 | 2017-03-29 | 天津成科传动机电技术股份有限公司 | The efficient online air bubble eliminating device of twin-stage fluid |
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| CN108224055A (en) | 2018-06-29 |
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