CN210106235U - Oxygen compressor lubricating oil system - Google Patents
Oxygen compressor lubricating oil system Download PDFInfo
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- CN210106235U CN210106235U CN201920955763.XU CN201920955763U CN210106235U CN 210106235 U CN210106235 U CN 210106235U CN 201920955763 U CN201920955763 U CN 201920955763U CN 210106235 U CN210106235 U CN 210106235U
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Abstract
An oxygen compressor lubricating oil system belongs to the technical field of turbine compressors and is characterized in that an auxiliary oil tank is arranged above a main oil tank, an overflow pipe is connected between the top of the side edge of the auxiliary oil tank and the top of the main oil tank, and a needle valve is arranged on the overflow pipe and close to the auxiliary oil tank; an oil inlet and return pipe is arranged at the bottom of the auxiliary oil tank, and is provided with an oil inlet pipeline and an oil return pipeline through an oil inlet and return flange, and the oil inlet pipeline and the oil return pipeline are respectively connected with the main pipeline of the system through pipelines; according to the technical scheme, the oil inlet/return pipeline established between the main and auxiliary oil tanks and the main pipeline of the system and the gravitational potential energy of reasonable height difference between the main and auxiliary oil tanks are utilized, so that the oil level of the main oil tank is reduced due to equipment power failure, oil pump damage or other faults, and after the oil pressure of a lubricating oil system is low and interlocked, lubricating oil can be immediately supplemented to the bearing of the oxygen compressor, the oil pressure of the lubricating oil system is stabilized, and the oxygen compressor is guaranteed to be safely stopped.
Description
Technical Field
The utility model belongs to the technical field of the turbocompressor, concretely relates to oxygen compressor lubricating oil system.
Background
The oxygen turbine compressor has high rotation speed, and during normal operation, it is necessary to lubricate and cool each sliding bearing and transmission gear separately, and usually a forced lubricating oil system is adopted, and the lubricating oil in the oil tank is cooled, filtered and regulated by an electric oil pump and then sent to the main machine, when the oil pump is powered off or the oil supply system has major fault, the compressor unit is automatically stopped in an interlocking way, at this moment, the bearing and the transmission gear still rotate in inertia, if no lubricating oil is available, the bearing bush dry friction is easy to cause damage, so a high-level oil tank (auxiliary oil tank) is arranged to supply oil continuously during the period of rotor falling and rotating, the oil inlet pipe is directly connected with the oil inlet pipe to close the oil inlet valve manually after the oil inlet pipe is full, and a check valve is arranged at the bearing position for accident stop after the oil outlet pipe is connected with the oil, but.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an oxygen compressor lubricating oil system who constitutes by the effective cooperation of main and auxiliary oil tank to overcome the problem that exists among the prior art.
The oxygen compressor lubricating oil system comprises a main oil tank, an auxiliary oil tank and a main system pipeline, wherein the main system pipeline of the oil system is connected with the main oil tank through an oil pump, an oil cooler and an oil filter; and the bottom of the auxiliary oil tank is provided with an oil inlet and oil return pipe, the oil inlet and oil return pipe is provided with an oil inlet pipeline and an oil return pipeline through an oil inlet and oil return flange, and the oil inlet pipeline and the oil return pipeline are respectively connected with the pipeline between the main pipeline of the system.
The lubricating oil system of the oxygen compressor is characterized in that the oil inlet pipeline is formed by connecting and matching a horizontal oil inlet pipe and a stop valve, and the oil return pipeline is formed by connecting and matching a horizontal oil return pipe and a check valve.
The lubricating oil system of the oxygen compressor is characterized in that the height of an auxiliary oil tank bottom plate of the auxiliary oil tank from a compressor basic zero plane is 5.5 meters or more, and the auxiliary oil tank bottom plate is arranged right above one end of a unit axial lead.
The oxygen compressor lubricating oil system is characterized in that the needle valve is in a normally open state, and a breathing hole and an overhauling joint are arranged on a valve body bypass.
The lubricating oil system of the oxygen compressor is characterized in that the pipe diameter of the overflow pipe is smaller than that of the oil inlet and return pipe.
The lubricating oil system of the oxygen compressor is characterized in that the overflow pipe is connected with the main oil tank through an overflow pipe bottom flange, and a glass sight glass is arranged on the overflow pipe close to the main oil tank.
The oxygen compressor lubricating oil system is characterized in that a blow-down valve is arranged at the bottom of the auxiliary oil tank.
The oxygen compressor lubricating oil system is characterized in that the volume of the auxiliary oil tank is 1/6-1/4 of the volume of the main oil tank.
The lubricating oil system of the oxygen compressor is novel in design and reasonable in concept, an oil inlet/return pipeline established among a main oil tank, an auxiliary oil tank and a main system pipeline is utilized, the gravitational potential energy of reasonable height difference among the main oil tank and the auxiliary oil tank is utilized, the oil level of the main oil tank is reduced due to power failure of equipment, damage of an oil pump or other faults, lubricating oil can be immediately supplemented to a bearing of the oxygen compressor after the lubricating oil system is interlocked at low oil pressure, the oil pressure of the lubricating oil system is stabilized, and the oxygen compressor is guaranteed to be safely stopped.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the K-K structure of FIG. 1;
FIG. 3 is a schematic view of the needle valve in the direction G-G of FIG. 1;
in the figure: 1-main oil tank, 2-auxiliary oil tank, 2 a-auxiliary oil tank bottom plate, 2 b-blow-down valve, 3-needle valve, 3 a-breathing hole, 3 b-maintenance joint, 4-stop valve, 5-check valve, 6-overflow pipe, 6 a-overflow pipe bottom flange, 6 b-glass viewing mirror, 7-oil inlet return pipe, 7 a-oil inlet return flange, 7 b-horizontal oil inlet pipe, 7 c-horizontal oil return pipe, 8-system main pipeline, 9-oil inlet pipeline and 10-oil return pipeline.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in the figure, the lubricating oil system of the oxygen compressor comprises a main oil tank 1, an auxiliary oil tank 2 and a main system pipeline 8, wherein the volume of the auxiliary oil tank 2 is 1/6-1/4 of the volume of the main oil tank 1, the auxiliary oil tank 2 is arranged above the main oil tank 1, the specific installation position of the auxiliary oil tank 2 is that the height of an auxiliary oil tank bottom plate 2a from a compressor basic zero plane is 5.5 meters or more, the auxiliary oil tank is arranged right above one end of a unit axial lead, and the bottom of the auxiliary oil tank 2 is provided with a blow-down valve 2 b; an overflow pipe 6 is connected between the top of the side edge of the auxiliary oil tank 2 and the top of the main oil tank 1, the overflow pipe 6 is connected with the main oil tank 1 through an overflow pipe bottom flange 6a, a glass viewing mirror 6b is arranged on the overflow pipe 6 and close to the main oil tank 1, a needle valve 3 is arranged on the overflow pipe 6 and close to the auxiliary oil tank 2, the needle valve 3 is in a normally open state, and a breathing hole 3a and an inspection connector 3b are arranged on a valve body bypass; the bottom of assisting oil tank 2 sets up oil feed and returns oil pipe 7, the pipe diameter that oil feed returned oil pipe 7 is greater than the pipe diameter of overflow pipe 6, oil feed returns oil pipe 7 and connects through oil feed return flange 7a and sets up into oil pipe 9, return oil pipe 10, oil pipe 9 is connected the cooperation by horizontal oil pipe 7b and stop valve 4 and is constituted, return oil pipe 10 is connected the cooperation by horizontal oil pipe 7c and check valve 5 and is constituted, oil pipe 9, return oil pipe 10 respectively with system trunk line 8 between the tube coupling, pass through the oil pump between oil system trunk line 8 and the main oil tank 1, the oil cooler, oil filter establishes the tube coupling.
In the above embodiment, the high-speed rotor and the low-speed rotor of the oxygen compressor both adopt sliding bearings, the bearings bear the rotor load by forming an oil film during operation, before operation, the oil circuit system needs to be operated first, the oil pump conveys the lubricating oil in the main oil tank 1 in two ways, one way directly reaches each bearing and the gear box, the other way reaches the oil system main pipeline 8 and fills the oil to the auxiliary oil tank 2 through the stop valve 4 and the horizontal oil inlet pipe 7b in the oil inlet pipeline 9, when the oil reaches the liquid level of the overflow pipe 6 arranged in the auxiliary oil tank 2, the redundant oil returns to the main oil tank 1 through the normally open needle valve 3, the lubricating oil in the auxiliary oil tank 2 and the lubricating oil in the main oil tank 1 form a loop, and fresh replacement of the lubricating oil in the auxiliary. The auxiliary oil tank 2 is used for lubricating the bearing of the equipment during the idle running of the unit, and provides guarantee for the stable and safe operation of the turbine compressor: centrifugal compressor and reciprocating compressor difference lie in can not stop rotating at once after shutting down, still rotate for a moment because inertial reason, be called lazily and walk, when various reasons cause the oil pump to shut down, general compressor is because the low self preservation of oil pressure, perhaps lubricating system breaks down for example the low point leaks, lubricating system can not normally work and the unit still arouses under the unable fuel feeding's of lubricating oil pump condition in the operation (no matter shut down), the utility model provides an auxiliary oil tank 2 can supply lubricating oil immediately, guarantees that the oil pressure is undulant, satisfies the lubricated requirement of equipment under emergency. When the auxiliary oil tank 2 stops due to an accident, the oil inlet system of the auxiliary oil tank 2 stops along with the stop of an oil pump, the oil inlet oil return pipe 7 has no oil pressure, and lubricating oil of the auxiliary oil tank 2 reaches the oil inlet oil return flange 7a along the oil inlet oil return pipe 7 and then enters the main pipeline 8 of the oil system through the check valve 5 and the horizontal oil return pipe 7c of the oil return pipeline 10 to flow to each bearing, so that the safe stop of the unit is ensured.
In the above embodiment, the auxiliary oil tank 2 occupies a small area, is easy to install and modify, and is positioned right above one end of the axial lead of the unit, so that the length of the pipeline is shortest, the number of elbows is minimum, and the resistance is minimum when lubricating oil in the auxiliary oil tank 2 flows back to the bearing. The ratio design of the oil storage volume of the auxiliary oil tank 2 and the main oil tank of the utility model can ensure the lubricating oil mass of the main bearing within about 5 minutes; the design that the height of the bottom plate of the auxiliary oil tank 2 from the basic zero plane of the compressor is 5.5 meters or more can ensure that lubricating oil has certain pressure in the backflow process, the check valve 5 can be opened enough to reach the main pipeline 8 of the oil system, and the requirement that the compressor can be stopped emergently to avoid dry grinding of the bearing bush due to oil shortage is met. The drain valve 2b at the bottom of the auxiliary oil tank 2 can be led down to be installed at a position close to the ground, and is used for draining accumulated water in the auxiliary oil tank and draining oil in case of accidents.
In the above embodiment, the diameter of the overflow pipe 6 of the auxiliary oil tank 2 is relatively small, the needle valve 3 is used for limiting the flow, and the oil inlet and return pipe 7 is relatively thick, so that the oil pressure of the auxiliary oil tank 2 and the whole lubricating oil system can be kept stable. Needle valve 3 is in normally open state, is equipped with breather 3a, maintenance joint 3b on the valve body bypass, and when lubricating oil flowed into the bearing by assisting oil tank 2, the volume space of assisting oil tank 2 was supplemented by breather 3a inhaled air to it forms the negative pressure to avoid assisting oil tank 2, influences lubricating oil and leans on gravity to flow out and assists oil tank 2. Set up glass sight glass 6b on overflow pipe 6, can conveniently observe whether supplementary oil tank 2 normally works, need not climb the height and observe, it is very convenient to overhaul and maintain.
Claims (8)
1. An oxygen compressor lubricating oil system comprises a main oil tank (1), an auxiliary oil tank (2) and a system main pipeline (8), wherein the oil system main pipeline (8) is connected with the main oil tank (1) through an oil pump, an oil cooler and an oil filter, and is characterized in that the auxiliary oil tank (2) is arranged above the main oil tank (1), an overflow pipe (6) is connected and arranged between the top of the side edge of the auxiliary oil tank (2) and the top of the main oil tank (1), and a needle valve (3) is arranged on the overflow pipe (6) and close to the auxiliary oil tank (2); the bottom of the auxiliary oil tank (2) is provided with an oil inlet and return pipe (7), the oil inlet and return pipe (7) is provided with an oil inlet pipeline (9) and an oil return pipeline (10) through an oil inlet and return flange (7 a), and the oil inlet pipeline (9) and the oil return pipeline (10) are respectively connected with a system main pipeline (8) through pipelines.
2. The oxygen compressor lubricating oil system as claimed in claim 1, wherein the oil inlet line (9) is formed by connecting and matching a horizontal oil inlet pipe (7 b) with the stop valve (4), and the oil return line (10) is formed by connecting and matching a horizontal oil return pipe (7 c) with the check valve (5).
3. The oxygen compressor lubricating oil system as claimed in claim 1, wherein the auxiliary oil tank bottom plate (2 a) of the auxiliary oil tank (2) is 5.5 m or more from the zero plane of the compressor base and is installed directly above one end of the axial line of the unit.
4. The oxygen compressor lubricating oil system as claimed in claim 1, wherein the needle valve (3) is in a normally open state, and a breathing hole (3 a) and an access joint (3 b) are arranged on a valve body bypass.
5. The oxygen compressor lubricating oil system as claimed in claim 1, wherein the pipe diameter of the overflow pipe (6) is smaller than that of the oil inlet and return pipe (7).
6. The oxygen compressor lubricating oil system as claimed in claim 1, wherein the overflow pipe (6) is connected with the main oil tank (1) through an overflow pipe bottom flange (6 a), and a glass sight glass (6 b) is arranged on the overflow pipe (6) and close to the main oil tank (1).
7. The oxygen compressor lubricating oil system as claimed in claim 1, wherein a blowoff valve (2 b) is provided at the bottom of the auxiliary oil tank (2).
8. An oxygen compressor lubricating oil system as claimed in claim 1, wherein the volume of the auxiliary oil tank (2) is 1/6 to 1/4 of the volume of the main oil tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955763.XU CN210106235U (en) | 2019-06-24 | 2019-06-24 | Oxygen compressor lubricating oil system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955763.XU CN210106235U (en) | 2019-06-24 | 2019-06-24 | Oxygen compressor lubricating oil system |
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| Publication Number | Publication Date |
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| CN210106235U true CN210106235U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920955763.XU Active CN210106235U (en) | 2019-06-24 | 2019-06-24 | Oxygen compressor lubricating oil system |
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| CN (1) | CN210106235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066261A (en) * | 2020-07-30 | 2020-12-11 | 中广核核电运营有限公司 | Oil supplementing device of oil regulating system |
| CN113432026A (en) * | 2021-07-02 | 2021-09-24 | 湖南润捷科技有限公司 | Box-type part centralized lubricating system and oil treatment assembly |
-
2019
- 2019-06-24 CN CN201920955763.XU patent/CN210106235U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066261A (en) * | 2020-07-30 | 2020-12-11 | 中广核核电运营有限公司 | Oil supplementing device of oil regulating system |
| CN112066261B (en) * | 2020-07-30 | 2022-10-21 | 中广核核电运营有限公司 | Oil supplementing device of oil regulating system |
| CN113432026A (en) * | 2021-07-02 | 2021-09-24 | 湖南润捷科技有限公司 | Box-type part centralized lubricating system and oil treatment assembly |
| CN113432026B (en) * | 2021-07-02 | 2024-07-12 | 北京威治科技有限公司 | Box-type part centralized lubrication system and oil treatment assembly |
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