CN113323879A - Oil-gas separator for vehicle-mounted screw air compressor - Google Patents
Oil-gas separator for vehicle-mounted screw air compressor Download PDFInfo
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- CN113323879A CN113323879A CN202110731819.5A CN202110731819A CN113323879A CN 113323879 A CN113323879 A CN 113323879A CN 202110731819 A CN202110731819 A CN 202110731819A CN 113323879 A CN113323879 A CN 113323879A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides an oil-gas separator for a vehicle-mounted screw air compressor, which comprises an upper shell and a lower shell which are buckled up and down, wherein an oil-gas inlet is arranged above the upper shell, the upper part of the oil-gas inlet is connected with a screw host machine to be used as a main oil-gas mixing inlet, an air inlet inner pipe is arranged in the upper shell at the oil-gas inlet, a lateral opening is arranged on the side wall of the air inlet inner pipe, an outer sleeve is arranged on the inner wall of the upper shell at the periphery of the air inlet inner pipe, a turning baffle is arranged at the lateral opening, two ends of the turning baffle are respectively connected with the inner wall of the outer sleeve and the outer wall of the air inlet inner pipe, and the outer sleeve extends downwards to the position above the liquid level of oil in the lower shell along the axial direction and is separated from the liquid level of the oil; a plurality of baffles extending along the axial direction are circumferentially distributed on the inner wall of the lower shell. Through setting up soon to baffle, outer tube and baffle, can reduce oil-gas mixture's speed fast, and have the characteristics that oil-gas separation is efficient, purity is high.
Description
Technical Field
The invention relates to the technical field of oil-gas separation, in particular to an oil-gas separator for a vehicle-mounted screw air compressor.
Background
The vehicle-mounted screw air compressor is a core device of an automobile pneumatic system, ambient air is sucked into the compression main machine, the volume of the main machine is changed by the meshing motion of a male rotor and a female rotor in the main machine, and meanwhile, the screw is continuously sprayed with oil, lubricated and cooled in a cavity, so that heated oil-gas mixture is generated. The oil-gas mixture can enter a pneumatic system after oil-gas separation. The main component for realizing oil-gas separation is an oil-gas separator, and the structure of the existing oil-gas separator has the defects that the flow rate of compressed gas is too high, so that the oil-gas separation is not thorough, and the noise is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects in the prior art, the invention provides a novel oil-gas separator for a vehicle-mounted screw air compressor.
The technical scheme adopted for solving the technical problems is as follows: an oil-gas separator for a vehicle-mounted screw air compressor comprises an upper shell and a lower shell which are buckled up from top to bottom, wherein an oil-gas inlet is formed in the upper part of the upper shell, the upper part of the oil-gas inlet is connected with a screw host machine to serve as a main oil-gas mixing inlet, in order to quickly reduce the flow rate of oil-gas and separate the oil-gas, an air inlet inner pipe is arranged in the upper shell at the oil-gas inlet position, a lateral opening is formed in the side wall of the air inlet inner pipe, an outer sleeve is arranged on the inner wall of the upper shell at the periphery of the air inlet inner pipe, a turning baffle is arranged at the lateral opening and is arc-shaped, the airflow direction of the lateral opening is right opposite to the turning baffle, so that spiral airflow is generated under the action of the turning baffle, the rotary separation of an oil-gas mixture is realized, the two ends of the turning baffle are respectively connected with the inner wall of the outer sleeve and the outer wall of the air inlet inner pipe, the outer sleeve extends downwards to the upper part of an oil liquid level in the lower shell along the axial direction, and is separated from the oil liquid level.
Furthermore, in order to reduce the speed of the airflow and improve the separation efficiency, a plurality of baffles extending along the axial direction are circumferentially distributed on the inner wall of the lower shell.
Furthermore, a plurality of outer reinforcing ribs of the lower shell are arranged on the outer wall of the lower shell. On the one hand, the shell can be firmer through the reinforcing ribs, on the other hand, the oil gas temperature can rise when oil gas is compressed, and therefore the reinforcing ribs also improve the heat dissipation capacity of the lower shell.
Further, in order to derive the compressed gas after the separation, go up and still be equipped with the separator gas outlet on the casing, the compressed gas who comes out from the separator gas outlet still can carry certain oil more or less, consequently separator gas outlet department sets up the spiral guiding gutter, and separator gas outlet upper shield is equipped with the thin separator of oil, the inside thin separator rod that is equipped with of thin separator of oil that is equipped with of oil, spiral guiding gutter coils along thin separator rod of oil, thin separator rod lower extreme is connected with the last casing of separator gas outlet department of oil, and thin separator rod of oil is hollow structure, and the upper end is connected with the inside intercommunication of thin separator of oil, and the lower extreme is connected with the exhaust on the last casing through the elbow in the upper casing. The compressed gas comes out from the gas outlet of the separator, forms spiral gas flow along the spiral diversion trench, the liquid in the gas under the action of centrifugal force is attached to the inner wall of the oil fine separator and then flows back into the spiral diversion trench, and the gas at the top is connected into a gas tank or a pneumatic system through an exhaust elbow through the oil fine separation rod.
Further, in advancing the screw host computer in order to make the inside backward flow of oil fine separator, still be equipped with the oil return interface on the last casing, the oil return interface with the inside guiding gutter intercommunication of oil fine separator, and the oil return interface passes through the pipe connection to the terminal bearing of screw rod host computer aircraft nose for in leading back the screw rod host computer with the fluid of guiding gutter, be used for the lubrication of bearing.
Further, an oil filter interface is further arranged on the upper shell, an oil filter is covered on the oil filter interface, the oil filter is connected to a first position of the spiral main machine through a pipeline, and the oil filter interface is communicated with the inside of the oil-gas separator; be equipped with the oil drain port down on the casing, the oil drain port passes through the second position of tube coupling to spiral host computer, and first position is located the below of second position.
The oil filter is mainly used for filtering oil of the spiral main machine, oil liquid in the spiral main machine is guided to the oil filter through a pipeline and enters the oil-gas separator after being filtered, dissipated and silenced through the oil filter, and the oil liquid at the bottom in the oil-gas separator flows back into the spiral main machine through the pipeline in a guiding mode, so that the filtering and heat dissipation of the oil liquid in the spiral main machine are achieved.
Furthermore, in order to improve the strength and the heat dissipation capacity of the upper shell, a plurality of upper shell inner reinforcing ribs extending along the axial direction are circumferentially arranged on the inner wall of the upper shell.
Furthermore, in order to realize the connection between the upper shell and the lower shell, the outer edge of the connecting surface of the upper shell and the lower shell is respectively provided with an upper shell connecting hole and a lower shell connecting hole, and the upper shell connecting hole and the lower shell connecting hole are in one-to-one correspondence up and down and are connected through screws.
The invention has the beneficial effects that: the oil-gas separator for the vehicle-mounted screw air compressor provided by the invention can quickly reduce the speed of an oil-gas mixture and has the characteristics of high oil-gas separation efficiency and high purity.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is an assembly structure schematic diagram of an oil-gas separator of the present invention.
FIG. 2 is a schematic structural diagram of the oil-gas separator of the present invention.
Fig. 3 is a schematic structural view of the upper case.
Fig. 4 is a schematic view of the lower housing structure.
In the figure: 100. the oil-gas separator comprises an oil-gas separator body 200, a screw main machine 300, an oil fine separator 400, an oil filter 1, an upper shell body 11, an oil-gas inlet 12, an oil filling port 13, an oil filter interface 14, an oil inlet 15, a safety valve interface 16, a separator air outlet 17, an exhaust elbow 18, an oil return interface 19, an unloading interface 1A, an upper shell inner reinforcing rib 1B, an upper shell connecting hole 2, a lower shell body 21, an oil discharge port 22, a baffle plate 23, a lower shell outer reinforcing rib 24, a lower shell connecting hole 3, an outer sleeve pipe 4, a rotary baffle plate 5, an oil fine separating rod 6 and an air inlet inner pipe.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in fig. 1-4, an oil-gas separator 100 for a vehicle-mounted screw air compressor of the present invention includes an upper casing 1 and a lower casing 2 which are fastened together, an oil-gas inlet 11 is disposed above the upper casing 1, the upper side of the oil-gas inlet 11 is connected to a screw main machine 200 as a main oil-gas mixing inlet, an air inlet inner tube 6 is disposed in the upper casing 1 at the oil-gas inlet 11, a lateral opening is disposed on a side wall of the air inlet inner tube 6, an outer sleeve 3 is disposed on an inner wall of the upper casing 1 at the periphery of the air inlet inner tube 6, a turning baffle 4 is disposed at the lateral opening, the turning baffle 4 is arc-shaped, an airflow direction of the lateral opening is opposite to the turning baffle 4, so as to generate a spiral airflow under the action of the turning baffle 4, two ends of the turning baffle 4 are respectively connected to an inner wall of the outer sleeve 3 and an outer wall of the air inlet inner tube 6, the, and is separated from the oil liquid level. A plurality of baffles 22 extending along the axial direction are circumferentially distributed on the inner wall of the lower shell 2; the outer wall is provided with a plurality of lower shell outer strengthening ribs 23 for strengthening and heat dissipation.
In order to lead out the compressed gas after separation, still be equipped with separator gas outlet 16 on the last casing 1, the compressed gas who comes out from separator gas outlet 16 still can carry certain oil more or less, consequently, separator gas outlet 16 department sets up the spiral guiding gutter, and separator gas outlet 16 upper shield is equipped with fine oil separator 300, fine oil separator 300 inside is equipped with fine oil separating rod 5, and the spiral guiding gutter coils along fine oil separating rod 5, fine oil separating rod 5 lower extreme is connected with last casing 1 of separator gas outlet 16 department, and fine oil separating rod 5 is hollow structure, and the upper end is connected with fine oil separating rod 300 inside, and the lower extreme is connected with exhaust elbow 17 on the last casing 1 through the pipeline in last casing 1. The compressed gas comes out from the gas outlet 16 of the separator, forms a spiral gas flow along the spiral diversion trench, the liquid in the gas acted by the centrifugal force is attached to the inner wall of the oil-fine separator 300 and then flows back into the spiral diversion trench, and the gas at the top is connected into a gas tank or a pneumatic system through the oil-fine separation rod 5 and the exhaust elbow 17.
In order to make the inside backward flow of thin separator 300 of oil advance the spiral host computer, still be equipped with oil return interface 18 on the upper casing 1, oil return interface 18 with the inside guiding gutter intercommunication of thin separator 300 of oil, and oil return interface 18 is through the bearing of tube coupling to screw rod host computer 200 aircraft nose end for in leading back screw rod host computer 200 with the fluid of guiding gutter, be used for the lubrication of bearing. An unloading interface 19 is further arranged on the upper shell 1 below the oil return interface 18, and the unloading interface 19 is connected to a machine head of the screw main machine 200 through a pipeline.
The upper shell 1 is also provided with an oil filter interface 13, the oil filter 400 is covered on the oil filter interface 13, an oil inlet 14 of the oil filter 400 is connected to a first position of the spiral main machine through a pipeline, and the oil filter interface 13 is communicated with the inside of the oil-gas separator 100; an oil drain port 21 is formed in the lower shell 2, the oil drain port 21 is connected to the second position of the spiral main machine through a pipeline, and the first position is located below the second position.
In order to supplement the oil in the screw main body, the upper shell 1 is also provided with an oil filling port 12 for supplementing hydraulic oil. In order to improve the strength and the heat dissipation capacity of the upper shell 1, a plurality of upper shell inner reinforcing ribs 1A extending along the axial direction are circumferentially arranged on the inner wall of the upper shell 1. The upper shell 1 is also provided with a safety valve interface 15 for installing a safety valve; in order to realize the connection between the upper shell 1 and the lower shell 2, the outer edge of the connecting surface of the upper shell 1 and the lower shell 2 is respectively provided with an upper shell connecting hole AB and a lower shell connecting hole 24, and the upper shell connecting hole AB and the lower shell connecting hole 24 are in one-to-one correspondence up and down and are connected through screws.
The working principle is as follows:
the oil-gas mixture enters the air inlet inner pipe 6 from the oil-gas inlet 11, is flushed from a lateral opening on the side wall of the air inlet inner pipe 6 and impacts the rotating baffle 4, so that the entering oil-gas mixture generates spiral rotation, the oil-gas mixture spirally rotates downwards along the inner side wall of the outer sleeve 3, large granular liquid in the oil-gas mixture is attached to the inner wall of the outer sleeve 3 under the action of centrifugal force and can flow downwards along the inner wall and drop into oil liquid below the lower shell 2; the spiral oil-gas mixture in outer tube 3 is dispersed behind the fluid liquid level of striking below, then the air current along the inner wall spiral of casing 2 rises down, strikes and slows down the air current that spiral rises on the baffle 22 of inner wall, and simultaneously fluid can be hung on baffle 22 and attached to on the inner wall of casing 2 down under the centrifugal force effect, further realizes oil-gas separation.
In light of the foregoing description of preferred embodiments in accordance with the invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides an on-vehicle screw rod oil and gas separator for air compressor which characterized in that: including last casing and lower casing of upper and lower lock, it is equipped with the oil gas import to go up the casing top, the oil gas import top is connected as main oil gas mixture entry with the screw rod host computer, the inner tube that admits air that is equipped with in the last casing of oil gas import department, be equipped with the side direction opening on the lateral wall of the inner tube that admits air, be equipped with the outer tube on the inner wall of the last casing of inner tube outlying that admits air, just the side direction opening part is equipped with to the baffle soon, revolve to baffle both ends respectively with the inner wall of the outer tube and the inner wall connection that admits air of outer tube, the outer tube along the axial downwardly extending to the fluid liquid level top in the lower casing, and with the separation between the fluid liquid level.
2. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 1, wherein: and a plurality of baffles extending along the axial direction are circumferentially distributed on the inner wall of the lower shell.
3. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 2, wherein: and a plurality of outer reinforcing ribs of the lower shell are arranged on the outer wall of the lower shell.
4. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 1, wherein: go up still to be equipped with the separator gas outlet on the casing, separator gas outlet department is equipped with the spiral guiding gutter, and the separator gas outlet upper shield is equipped with the thin separator of oil, the thin separator pole of oil inside being equipped with of separator, the thin separator pole lower extreme of oil is connected with the last casing of separator gas outlet department, and the thin separator pole of oil be hollow structure, and the upper end is connected with the inside intercommunication of thin separator of oil, and the lower extreme passes through the pipeline in the last casing and is connected with the exhaust elbow on the last casing.
5. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 4, wherein: the upper shell is further provided with an oil return interface, the oil return interface is communicated with a flow guide groove in the oil fine separator, and the oil return interface is connected to the screw host through a pipeline.
6. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 1, wherein: the upper shell is also provided with an oil filter interface, the oil filter interface is covered with an oil filter, the oil filter is connected to a first position of the spiral main machine through a pipeline, and the oil filter interface is communicated with the inside of the oil-gas separator; be equipped with the oil drain port down on the casing, the oil drain port passes through the second position of tube coupling to spiral host computer, and first position is located the below of second position.
7. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 1, wherein: and a plurality of upper shell inner reinforcing ribs extending along the axial direction are circumferentially arranged on the inner wall of the upper shell.
8. An oil-gas separator for a vehicle-mounted screw air compressor as claimed in claim 1, wherein: the outer edge of the connecting surface of the upper shell and the lower shell is respectively provided with an upper shell connecting hole and a lower shell connecting hole, and the upper shell connecting hole and the lower shell connecting hole are in one-to-one correspondence up and down and are connected through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110731819.5A CN113323879A (en) | 2021-06-30 | 2021-06-30 | Oil-gas separator for vehicle-mounted screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110731819.5A CN113323879A (en) | 2021-06-30 | 2021-06-30 | Oil-gas separator for vehicle-mounted screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113323879A true CN113323879A (en) | 2021-08-31 |
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ID=77425227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110731819.5A Pending CN113323879A (en) | 2021-06-30 | 2021-06-30 | Oil-gas separator for vehicle-mounted screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113323879A (en) |
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2021
- 2021-06-30 CN CN202110731819.5A patent/CN113323879A/en active Pending
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