CN211422863U - Piston type oxygen compressor negative pressure oil removing device - Google Patents
Piston type oxygen compressor negative pressure oil removing device Download PDFInfo
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- CN211422863U CN211422863U CN201922354691.6U CN201922354691U CN211422863U CN 211422863 U CN211422863 U CN 211422863U CN 201922354691 U CN201922354691 U CN 201922354691U CN 211422863 U CN211422863 U CN 211422863U
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Abstract
The application discloses piston oxygen compressor negative pressure deoiling device, including the oxygen compressor body, the oxygen compressor includes the cylinder, be provided with the piston rod in the cylinder, be provided with the scraper ring on the piston rod, the scraper ring top is provided with the scraper ring apron, the scraper ring apron divide into first, lower half with the cylinder, the scraper ring is located the lower half, first is the negative pressure chamber, negative pressure chamber intercommunication has an oil pipe, the oil pipe intercommunication has the oil collecting tank, the oil collecting tank below is provided with the oil extraction pipe, be provided with the oil extraction valve on the oil extraction pipe, the oil collecting tank still communicates there is the outlet duct, the outlet duct intercommunication has the instrument trachea, instrument trachea perpendicular to outlet duct, the tracheal one end of instrument is provided with instrument air supply, the other end accesss to the atmosphere. This application when using, can effectual reduction scatter the oil mist volume of overflowing outside sealed, great improvement's factor of safety can also be retrieved the oil mist of scattering excessive department, has saved manufacturing cost.
Description
Technical Field
The application relates to a piston oxygen compressor, especially relates to a piston oxygen compressor negative pressure deoiling device.
Background
For most external compression air separation plants, in order to achieve the level of oxygen product required by large bag users, the oxygen product needs to be pressurized and conveyed by a corresponding oxygen compressor, and a piston type oxygen compressor is one of the most common oxygen compressors. In daily work, when the vertical oxygen compressor is used, oil mist steam can be dispersed upwards from the lower lubricating side along a gap between the piston rod and the oil scraper ring along with the increase of temperature until the oil mist steam is dispersed to the outer side of the seal above the cylinder and is condensed into liquid drops. Therefore, the liquid drops need to be cleaned regularly by using the oil mist cleaning agent, and the cleaning is carried out once in one hour under the normal working environment, so that the operation safety of the oxygen compressor is ensured. On one hand, the cleaning mode needs to consume a large amount of cleaning agents to increase the production cost, on the other hand, labor is wasted, and the safe operation of the oxygen compressor is threatened if oil drops are not cleaned in time and are accumulated too much. Therefore, a negative pressure oil removal device of a piston type oxygen compressor needs to be found to solve the problems.
SUMMERY OF THE UTILITY MODEL
The application provides a piston oxygen compressor negative pressure deoiling device has solved among the prior art oil mist upwards scattered overflow to sealed outside condense into the liquid drop and clear up untimely the problem that will cause danger to oxygen compressor safety.
The application provides a piston oxygen compressor negative pressure deoiling device, including the oxygen compressor body, the oxygen compressor includes the cylinder, be provided with the piston rod in the cylinder, be provided with the scraper ring on the piston rod, the scraper ring top is provided with the scraper ring apron, the scraper ring apron divide into first, lower half with the cylinder, the scraper ring is located the lower half, first is the negative pressure chamber, negative pressure chamber intercommunication has an oil pipe, the oil pipe intercommunication has the oil collecting tank, the oil collecting tank below is provided with the oil extraction pipe, be provided with the oil extraction valve on the oil extraction pipe, the oil collecting tank still communicates there is the outlet duct, the outlet duct intercommunication has the instrument trachea, instrument trachea perpendicular to outlet duct, the tracheal one end of instrument is provided with instrument air supply, the other end accesss to the atmosphere.
Further, a piston oxygen compressor negative pressure deoiling device, oil outlet pipe, outlet duct are located the both sides of oil trap respectively.
Further, a piston oxygen compressor negative pressure deoiling device, the outlet duct is the L type to long limit section is vertical upwards to be connected with the instrument trachea, short limit section is connected with the oil trap.
Further, a piston oxygen compressor negative pressure deoiling device, the oil outlet pipe is towards oil trap department downward sloping.
Further, a piston oxygen compressor negative pressure deoiling device, the connector of oil outlet pipe, outlet duct and oil trap is located same water flat line.
Further, a piston oxygen compressor negative pressure deoiling device, the pressure of instrument air supply is 0.5 Mpa.
According to the technical scheme, the application provides a piston type oxygen compressor negative pressure deoiling device, through in the first half of cylinder, separate out the negative pressure chamber, the oil mist that scatters over stays in the negative pressure intracavity and can not directly scatter and overflow to sealed outside, in addition through connecting the oil pipe on the negative pressure chamber, oil pipe intercommunication oil-collecting tank, the oil-collecting tank communicates the outlet duct again, the instrument trachea is connected to the outlet duct, the instrument air supply of instrument trachea one side is opened, instrument gas blows to the atmosphere along the instrument trachea, because the outlet duct is connected with the instrument trachea is perpendicular, utilize the venturi principle here, can realize the negative pressure to the negative pressure intracavity, the oil mist is sucked and is scattered and overflowed along the oil pipe outwards, in the in-process of scattering and overflowing condenses, flow to the oil-collecting tank along the outlet duct, steam leads to the atmosphere along the. This application when using, can effectual reduction scatter the oil mist volume of overflowing outside sealed, the factor of safety of great improvement can also be retrieved the oil mist that spills over in addition, the effectual manufacturing cost that has saved.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic structural diagram of the present application.
Illustration of the drawings:
the oil pump comprises a piston rod 1, an oil scraper ring 2, an oil scraper ring cover plate 3, a negative pressure cavity 4, an oil outlet pipe 5, an oil collecting tank 6, an air outlet pipe 7, an instrument air pipe 8, an oil discharge pipe 9 and an oil discharge valve 10.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
See FIG. 1
According to the technical scheme, the negative pressure oil removal device of the piston type oxygen compressor comprises an oxygen compressor body, the oxygen compressor comprises an air cylinder, a piston rod 1 is arranged in the cylinder, an oil scraper ring 2 is arranged on the piston rod 1, an oil scraper ring cover plate 3 is arranged above the oil scraper ring 2, the oil scraper ring cover plate 3 divides the cylinder into an upper half part and a lower half part, the oil scraper ring 2 is positioned at the lower half part, the upper half part is a negative pressure cavity 4, the negative pressure cavity 4 is communicated with an oil outlet pipe 5, the oil outlet pipe 5 is communicated with an oil collecting tank 6, an oil discharge pipe 9 is arranged below the oil collecting tank 6, an oil discharge valve 10 is arranged on the oil discharge pipe 9, the oil collecting tank 6 is also communicated with an air outlet pipe 7, the air outlet pipe 7 is communicated with an instrument air pipe 8, the instrument air pipe 8 is perpendicular to the air outlet pipe 7, one end of the instrument air pipe 8 is provided with an instrument air source, and the other end of the instrument air pipe is communicated with the atmosphere.
The cylinder is divided into an upper part and a lower part by the scraper ring cover plate 6, the piston rod 4 vertically penetrates through the scraper ring cover plate 6, the lower half part is provided with a scraper ring 5 for a lubricating side, the upper half part is a negative pressure cavity 7, an oil outlet pipe 5 is connected with a side opening of the negative pressure cavity 7, oil mist is upwards scattered and overflowed from the lower half part along a gap between the piston rod 1 and the scraper ring 2, the oil mist is sucked out along the oil outlet pipe 5 when being overflowed to the negative pressure cavity 4 and is condensed into liquid drops in the sucking process and falls into the oil collecting tank 6, the oil discharging valve 10 can be opened when the oil accumulation in the oil collecting tank 6 is enough, the oil can flow down along the oil discharging pipe 9, the residual steam exhausts the atmosphere along the air outlet pipe 7, the instrument air pipe 8 is vertically connected with the tail end of the air outlet pipe 7, one end of the instrument air pipe 8 is provided with.
Preferably, the oil outlet pipe 5 and the air outlet pipe 7 are respectively positioned at two sides of the oil collecting tank 6. The oil outlet pipe 5 and the air outlet pipe 7 are respectively arranged on two sides of the oil collecting tank 6, so that the path of the oil mist is increased, and the oil mist is convenient to condense into drops and steam to be discharged.
Preferably, the air outlet pipe 7 is L-shaped, the long edge section is vertically upwards connected with the instrument air pipe 8, and the short edge section is connected with the oil collecting tank 6. An L-shaped air outlet pipe 7 is adopted, and the tail end of the air outlet pipe 7 faces upwards.
Preferably, the oil outlet pipe 5 is inclined downwards towards the oil collecting tank 6. The oil outlet pipe 5 is inclined downwardly towards the oil collection tank 6 so that oil droplets can flow into the oil collection tank 6 by gravity as oil mist condenses in the oil outlet pipe 5.
Preferably, the oil outlet pipe 5, the air outlet pipe 7 and the connecting port of the oil collecting tank 6 are positioned on the same horizontal line.
Preferably, the pressure of the instrument gas source is 0.5 Mpa.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (6)
1. The negative pressure oil removing device of the piston type oxygen compressor comprises an oxygen compressor body and is characterized in that the oxygen compressor comprises a cylinder, a piston rod (1) is arranged in the cylinder, an oil scraper ring (2) is arranged on the piston rod (1), an oil scraper ring cover plate (3) is arranged above the oil scraper ring (2), the oil scraper ring cover plate (3) divides the cylinder into an upper half part and a lower half part, the oil scraper ring (2) is positioned at the lower half part, the upper half part is a negative pressure cavity (4), the negative pressure cavity (4) is communicated with an oil outlet pipe (5), the oil outlet pipe (5) is communicated with an oil collecting tank (6), an oil discharge pipe (9) is arranged below the oil collecting tank (6), an oil discharge valve (10) is arranged on the oil discharge pipe (9), the oil collecting tank (6) is also communicated with an air outlet pipe (7), and the air outlet pipe (, the instrument air pipe (8) is perpendicular to the air outlet pipe (7), one end of the instrument air pipe (8) is provided with an instrument air source, and the other end of the instrument air pipe is communicated with the atmosphere.
2. A piston type oxygen compressor negative pressure oil removing device as claimed in claim 1, wherein the oil outlet pipe (5) and the air outlet pipe (7) are respectively located at two sides of the oil collecting tank (6).
3. A piston type oxygen compressor negative pressure oil removing device as claimed in claim 1, wherein the air outlet pipe (7) is L-shaped, and the long side section is connected with the instrument air pipe (8) vertically upwards, and the short side section is connected with the oil collecting tank (6).
4. A piston type oxygen compressor negative pressure oil removing device as claimed in claim 1, wherein said oil outlet pipe (5) is inclined downward toward the oil collecting tank (6).
5. The negative pressure oil removal device of the piston type oxygen compressor as claimed in claim 1, wherein the oil outlet pipe (5), the air outlet pipe (7) and the connecting port of the oil collecting tank (6) are located on the same horizontal line.
6. The piston type oxygen compressor negative pressure oil removing device as claimed in claim 1, wherein the pressure of the instrument gas source is 0.5 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922354691.6U CN211422863U (en) | 2019-12-24 | 2019-12-24 | Piston type oxygen compressor negative pressure oil removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922354691.6U CN211422863U (en) | 2019-12-24 | 2019-12-24 | Piston type oxygen compressor negative pressure oil removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211422863U true CN211422863U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922354691.6U Active CN211422863U (en) | 2019-12-24 | 2019-12-24 | Piston type oxygen compressor negative pressure oil removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211422863U (en) |
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2019
- 2019-12-24 CN CN201922354691.6U patent/CN211422863U/en active Active
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