CN115013286B - System and method for automatically adding lubricating oil in operation of high-pressure helium compressor - Google Patents
System and method for automatically adding lubricating oil in operation of high-pressure helium compressor Download PDFInfo
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- CN115013286B CN115013286B CN202210696660.2A CN202210696660A CN115013286B CN 115013286 B CN115013286 B CN 115013286B CN 202210696660 A CN202210696660 A CN 202210696660A CN 115013286 B CN115013286 B CN 115013286B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0207—Lubrication with lubrication control systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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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 discloses a system and a method for automatically adding lubricating oil in the operation of a high-pressure helium compressor, wherein the system comprises a pressure stabilizing and pressure controlling module, an oiling module and a monitoring and controlling module; the monitoring control module monitors the pressure value monitored by the pressure transmitter and the flow value monitored by the flowmeter on the oiling module, and adjusts the switch of the corresponding control valve to realize real-time online adjustment of the oil quantity of the oil cavity of the high-pressure helium compressor, so that the frequency of shutdown caused by the need of shutdown and adding lubricating oil in the continuous operation process of the high-pressure helium compressor is obviously reduced, the operation continuity of equipment is effectively ensured, and the operation period of a production line is shortened; in the normal operation process of the oil cavity of the high-pressure helium compressor, oil exuded by the shaft seal directly enters the oil quantity calibration container through the oil discharge pipe, and the exuded oil is filtered and recycled, so that the cost is reduced; and the method is simple and convenient to implement.
Description
Technical Field
The invention belongs to the technical field of compressor lubricating oil, and particularly relates to a system and a method for automatically adding lubricating oil in operation of a high-pressure helium compressor.
Background
The mechanical seal is a shaft seal device which is used for achieving leakage prevention by keeping the joint of one or a plurality of pairs of end surfaces which are perpendicular to the shaft and slide relatively under the action of the fluid pressure and the elastic force (or magnetic force) of the compensation mechanism and matching with auxiliary seal. When the shaft rotates, the rotating shaft drives the elastic element to rotate through the fastening screw, and the elastic element is combined with the moving ring to rotate together through the transmission pin, so that relative rotary motion and good laminating contact are generated between the moving ring and the static ring, and sealing is achieved. The mechanical sealing structure is widely applied to centrifugal pumps, centrifuges, compressors and other devices.
The dynamic ring and the static ring of the high-pressure (the pressure is about 24 bar) helium compressor are sealed in a contact sealing mode, the high pressure, vibration, pressure fluctuation, sealing surface friction and the like can cause the phenomenon of oil seepage of a shaft seal in the running process of equipment, and the leaked oil is timely discharged through an oil guide pipe when the long-period continuous running gas compressor shaft seal is designed.
Helium compressors are operated with very high requirements for the purity of helium. In the prior art, helium compressor needs to carry out positive pressure helium replacement on a refueling tank when refueling, then a vacuum pump is utilized to pump out air in the refueling tank through a vacuum tube, oil is sucked into the inside of the refueling tank through an oil filling port under the condition of guaranteeing negative pressure, and after the oil reaches a certain amount, the oil filling port is closed to stop oiling; and repeatedly vacuumizing and filling helium gas to open an air inlet pipe of the oil filling tank and an oil outlet pipe at the bottom of the oil filling tank, conveying oil into an oil-gas separator, and then supplying oil to the helium compressor by the oil-gas separator. But the process of refueling can not go on automatically, and can not refuel in time, and in the online refueling process, need to carry out the evacuation to refuel jar inside, be unsuitable for online refueling of high-pressure helium compressor, and the problem of bearing seal seepage oil is solved simultaneously to the difference.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the invention aims to provide a system and a method for automatically adding lubricating oil in the operation of a high-pressure helium compressor, which are suitable for online automatic oiling under a high-pressure state and can simultaneously solve the problem of oil exudation of a shaft seal.
In order to achieve the above purpose, the invention adopts the following technical scheme: a system for automatically adding lubricating oil in the operation of a high-pressure helium compressor comprises a voltage stabilizing and controlling module, an oiling module and a monitoring and controlling module; the pressure stabilizing and pressure controlling module comprises an oil storage tank, and the oil injection module comprises a high-pressure helium compressor oil cavity and an oil quantity calibration container; the oil mass calibration container is provided with a control valve and a pressure transmitter; the oil storage tank is connected with the high-pressure helium compressor oil cavity, a control valve is arranged at one end of the connecting pipeline, which is close to the oil storage tank, and a flowmeter is arranged at one end of the connecting pipeline, which is close to the high-pressure helium compressor oil cavity; the high-pressure helium compressor oil cavity is connected with the oil quantity calibration container; the pressure transmitter monitors the pressure value in the oil mass calibration container; the monitoring control module monitors the oil value of the flowmeter and the pressure value of the pressure transmitter and adjusts the switch of the control valve.
Further, a pressure transmitter and a visual window are arranged on the oil storage tank; the pressure transmitter monitors the pressure value in the oil storage tank and transmits the monitored value to the monitoring control module.
Further, the pressure stabilizing and controlling module further comprises a helium steel cylinder and a pressure transmitter; the pressure transmitter is connected with the upper end of the oil storage tank, and a valve is arranged on the connecting pipeline; the helium steel cylinder is connected with the upper end of the oil storage tank, and a pressure stabilizing valve is arranged on the connecting pipe line.
Further, the pressure stabilizing and controlling module further comprises a pressure regulating valve.
Further, the oiling module further comprises a pressure transmitter and an oil storage tank; the pressure transmitter monitors the pressure value of the high-pressure helium compressor oil cavity and transmits the monitored pressure value to the monitoring control module; the oil mass calibration container is connected with the oil storage tank, and a control valve is arranged on the connecting pipe line.
The invention also provides a method for automatically adding lubricating oil in the operation of the high-pressure helium compressor, which comprises the following steps:
(1) Leak detection, installation and confirmation are carried out on the voltage-stabilizing and pressure-controlling module, the oiling module and the monitoring control module;
(2) Starting the high-pressure helium compressor to operate, wherein oil discharged from an oil cavity of the high-pressure helium compressor flows into the oil quantity calibration container during operation;
(3) The monitoring control module monitors the pressure value of the pressure transmitter connected with the oil mass calibration container, and the indication thereof is increased to a set value P 1 When the oil quantity calibration container is started, the control valve of the oil quantity calibration container is opened, and oil in the oil quantity calibration container is discharged into the oil storage tank;
(4) The pressure value indication number of the pressure transmitter connected with the oil mass calibration container reaches P 2 When the oil quantity calibration container is started, the control valve of the oil storage tank is closed;
(5) Slowly flowing oil in an oil storage tank into a high-pressure helium compressor oil cavity through a flowmeter, and closing a control valve of the oil storage tank when the single accumulated flow of the flowmeter reaches DeltaV;
(6) And (5) repeating the steps (3) - (5) circularly until the machine is stopped.
The technical scheme adopted by the invention has the beneficial effects that the system for automatically adding lubricating oil in the operation of the high-pressure helium compressor comprises a voltage stabilizing and controlling module, an oiling module and a monitoring and controlling module; the pressure stabilizing and pressure controlling module comprises an oil storage tank, and the oil injection module comprises a high-pressure helium compressor oil cavity and an oil quantity calibration container; the oil storage tank is connected with the high-pressure helium compressor oil cavity, a control valve is arranged at one end of the connecting pipeline, which is close to the oil storage tank, and a flowmeter is arranged at one end of the connecting pipeline, which is close to the high-pressure helium compressor oil cavity; the oil cavity of the high-pressure helium compressor is connected with the oil quantity calibration container, and the oil quantity calibration container is provided with a pressure transmitter and a control valve; the pressure transmitter monitors the pressure value in the oil mass calibration container, and when the pressure value rises to a preset value, the monitoring control module adjusts the control valve of the oil mass calibration container to be opened; when the pressure value is reduced to another preset value, the monitoring control module adjusts a control valve of the oil quantity calibration container to be closed, and opens a control valve at the lower end of the oil storage tank to refuel the oil cavity of the high-pressure helium compressor; the monitoring control module monitors the oil quantity value of the flowmeter and the pressure value of the pressure transmitter, and adjusts the control valve at the lower end of the oil storage tank to be closed according to the monitored oil quantity value and the pressure value so as to stop oiling. The system monitoring control module of the invention can adjust the switch of the control valve on line at any time according to the monitored oil value and pressure value, thereby realizing on-line real-time adjustment of the oil quantity of the oil cavity of the high-pressure compressor, obviously reducing the frequency of stopping caused by the need of stopping and adding lubricating oil in the continuous operation process of the high-pressure helium compressor, effectively ensuring the continuity of equipment operation, shortening the operation period of a production line and saving the cost; in the normal operation process of the oil cavity of the high-pressure helium compressor, oil exuded by the shaft seal directly enters the oil quantity calibration container through the oil discharge pipe, and the exuded oil is filtered and recycled, so that the cost is reduced; the system of the invention uses the helium passive pressure stabilizing and controlling module to ensure that the pressure in the oil storage tank is kept constant, thereby maintaining the pressure of the oil cavity of the compressor stable, solving the problem of poor sealing performance of the pump under high pressure (about 24 bar), and reducing energy consumption; the method of the invention is simple and convenient to implement.
Drawings
FIG. 1 is a schematic diagram of a system for automatically adding lubricating oil during operation of a high-pressure helium compressor in accordance with an embodiment of the present invention;
fig. 2 is a flow chart of a method for automatically adding lubricating oil in operation of a high-pressure helium compressor according to an embodiment of the present invention.
Wherein: the helium pressure measuring device comprises an oil storage tank 1, a high-pressure helium compressor oil cavity 2, an oil quantity calibration container 3, a first control valve 4, a first pressure transmitter 5, a second control valve 6, a flowmeter 7, a second pressure transmitter 8, a visual window 9, a helium steel cylinder 10, a pressure stabilizing valve 11, a pressure regulating valve 12, a third pressure transmitter 13 and an oil storage tank 14.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1, the system for automatically adding lubricating oil in the operation of a high-pressure helium compressor in the embodiment of the invention comprises a voltage stabilization and control module, an oiling module and a monitoring and control module; the pressure stabilizing and controlling module comprises an oil storage tank 1; the oil injection module comprises a high-pressure helium compressor oil cavity 2 and an oil quantity calibration container 3; the lower end of the high-pressure helium compressor oil cavity 2 is connected with the upper end of the oil quantity calibration container 3, and a first control valve 4 and a first pressure transmitter 5 are arranged at the lower end of the oil quantity calibration container 3; the lower end of the oil storage tank 1 is connected with a pipeline at the upper end of the high-pressure helium compressor oil cavity 2, a second control valve 6 is arranged on a pipeline close to the oil storage tank 1, and a flowmeter 7 is arranged on a pipeline close to the high-pressure helium compressor oil cavity 2; the monitoring control module monitors the pressure value of the first pressure transmitter 5 and the flow value of the flowmeter 7, and adjusts the opening and closing of the first control valve 4 and the second control valve 6.
Preferably, the monitoring control module adjusts the first control valve 4 to be opened when the pressure value of the first pressure transmitter 5 rises to a preset value; when the pressure value of the first pressure transmitter 5 drops to another preset value, the monitoring control module adjusts the first control valve 4 to be closed, and opens the second control valve 6; and the oil storage tank 1 is filled into the high-pressure helium compressor oil cavity 2, and the monitoring control module interlocks and adjusts the second control valve 6 to close according to the filling amount monitored by the flowmeter 7 to stop filling.
Preferably, the first pressure transmitter 5 and the oil quantity calibration container 3 preset a pressure oil quantity corresponding table, and each 0.85KPa pressure variation value corresponds to 500mL oil quantity.
Preferably, the oil storage tank 1 is provided with a second pressure transmitter 8 and a visual window 9. The second pressure transmitter 8 is connected with the upper end of the oil storage tank 1 through a pipeline, and a valve is arranged on the connecting pipeline; the second pressure transmitter 8 monitors the pressure in the oil storage tank 1 and transmits the monitored pressure value to the monitoring control module. The pressure in the oil storage tank 1 is maintained at 24bar; the visual window 9 is used for observing the oil quantity in the oil storage tank 1.
Preferably, the pressure stabilizing and controlling module further comprises a helium steel cylinder 10; the helium steel cylinder 10 is connected with a pipeline at the upper end of the oil storage tank 1, and a pressure stabilizing valve 11 is arranged on the connecting pipeline. The helium steel bottle 10 is a 5L steel bottle, the oil storage tank 1 is 2.5L, the initial storage oil quantity in the oil storage tank 1 is about 80% of the total volume of the tank body, helium is arranged at the upper end in the tank, the pressure stabilizing valve 11 is regulated to control helium to be conveyed into the oil storage tank 1, and the pressure in the oil storage tank 1 is kept constant at 24 bar.
Preferably, the pressure stabilizing and controlling module further includes a pressure regulating valve 12, and when the second pressure transmitter 8 monitors that the pressure value is greater than 26bar, the monitoring control module regulates the pressure regulating valve 12 to open for pressure relief, so as to ensure the system safety of the embodiment of the invention.
Preferably, the oiling module further comprises a third pressure transmitter 13 and an oil storage tank 14; the third pressure transmitter 13 monitors the pressure value of the high-pressure helium compressor oil cavity 2 and transmits the monitored value to the monitoring control module; the lower end of the oil mass calibration container 3 is connected with the oil storage tank 14 in a pipeline manner, and the first control valve 4 is positioned between the oil mass calibration container 3 and the oil storage tank 14.
Preferably, the pipelines are all stainless steel pipelines with the pipe diameter of 1/4 inch 316L, and the sealing port adopts argon arc welding or VCR thread structure.
Preferably, the oil storage tank 1 is cylindrical.
The embodiment of the invention discloses a method for automatically adding lubricating oil in the operation of a high-pressure helium compressor, which comprises the following steps:
(1) Leak detection, installation and confirmation are carried out on the voltage-stabilizing and pressure-controlling module, the oiling module and the monitoring control module;
(2) Starting the high-pressure helium compressor to operate, wherein oil discharged from an oil cavity 2 of the high-pressure helium compressor flows into an oil quantity calibration container 3 during operation;
(3) The monitoring control module monitors the pressure value of the first pressure transmitter 5, the indication of which increases to a set value P 1 When the first control valve 4 is opened, the oil in the oil mass calibration container 5 is discharged into the oil storage tank 14;
(4) The indication of the pressure value of the first pressure transmitter 5 reaches P 2 At this time, the first control valve 4 is closed while the second control valve 6 is opened;
(5) The oil in the oil storage tank 1 slowly flows into the high-pressure helium compressor oil cavity 2 through the flowmeter 7, and when the single accumulated flow of the flowmeter 7 reaches DeltaV, the second control valve 6 is closed;
(6) And (5) repeating the steps (3) - (5) circularly until the machine is stopped.
Preferably, in the step (1), the oil storage tank 1 is subjected to helium positive and negative pressure leak detection respectively, and the negative pressure is less than 1×10 -8 Pa/m 3 S, helium positive pressure 30bar; after the leak detection is qualified, filling lubricating oil 2L into the oil storage tank 1; installing a pressure stabilizing valve 11 and a pressure regulating valve 12, then replacing helium in the oil storage tank 1 and maintaining the pressure at 24bar, wherein the first pressure transmitter 5 displays the pressure generated by the oil contained in the oil mass calibration container 3, the second pressure transmitter 8 displays the gas pressure at the upper end of the oil storage tank 1 at 24bar, and the third pressure transmitter 13 displays the pressure in the high-pressure helium compressor oil cavity 2 at about 24bar; the pressure value of the second pressure transmitter 8 is slightly greater than the pressure value of the third pressure transmitter 13.
Preferably, in the step (2), before the high-pressure helium compressor is operated, both the first control valve 4 and the second control valve 6 are closed.
Preferably, in the step (3), the first pressure transmitter 5 is shownThe number is increased to the set value P 1 For about 1 month.
Preferably, in the step (5), the single integrated flow Δv of the flowmeter 7 is calculated by the formula (1), where the formula (1) is:
wherein P is 1 、P 2 The value p is the oil density, and S is the inner cross-sectional area of the cylindrical oil storage tank, which is the pressure value of the first pressure transmitter 5.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. A method for automatically adding lubricating oil in the operation of a high-pressure helium compressor is characterized by comprising the following steps of: the method comprises the following steps:
(1) Leak detection, installation and confirmation are carried out on the voltage-stabilizing and pressure-controlling module, the oiling module and the monitoring control module;
(2) Starting the high-pressure helium compressor to operate, and enabling oil discharged from an oil cavity (2) of the high-pressure helium compressor to flow into an oil quantity calibration container (3);
(3) The monitoring control module monitors the pressure value of the first pressure transmitter (5), the indication of which is increased to a set value P 1 When the first control valve (4) is opened, the oil in the oil mass calibration container (3) is discharged into the oil storage tank (14);
(4) The indication of the pressure value of the first pressure transmitter (5) reaches P 2 When the first control valve (4) is closed, and the second control valve (6) is opened,
(5) The oil in the oil storage tank (1) slowly flows into the high-pressure helium compressor oil cavity (2) through the flowmeter (7), and when the single accumulated flow of the flowmeter (7) reaches DeltaV, the second control valve (6) is closed;
(6) Repeating the steps (3) - (5) circularly until stopping;
the pressure stabilizing and controlling module comprises an oil storage tank (1); the oiling module comprises the high-pressure helium compressor oil cavity (2) and an oil quantity calibration container (3); the lower end of the high-pressure helium compressor oil cavity (2) is connected with the upper end of the oil quantity calibration container (3), and the lower end of the oil quantity calibration container (3) is provided with the first control valve (4) and the first pressure transmitter (5); the lower end of the oil storage tank (1) is connected with the pipeline at the upper end of the high-pressure helium compressor oil cavity (2), a second control valve (6) is arranged on the pipeline close to the oil storage tank (1), and a flowmeter (7) is arranged on the pipeline close to the high-pressure helium compressor oil cavity (2); the monitoring control module monitors the pressure value of the first pressure transmitter (5) and the flow value of the flowmeter (7) and adjusts the switch of the first control valve (4) and the switch of the second control valve (6).
2. The method for automatically adding lubricating oil in operation of the high-pressure helium compressor according to claim 1, wherein the method comprises the following steps: when the pressure value of the first pressure transmitter (5) rises to a preset value, the monitoring control module adjusts the first control valve (4) to be opened; when the pressure value of the first pressure transmitter (5) is reduced to another preset value, the monitoring control module adjusts the first control valve (4) to be closed, the second control valve (6) is opened, and the monitoring control module adjusts the second control valve (6) to be closed according to the oil filling amount monitored by the flowmeter (7) in an interlocking mode.
3. The method for automatically adding lubricating oil in operation of the high-pressure helium compressor according to claim 1, wherein the method comprises the following steps: the oil storage tank (1) is provided with a second pressure transmitter (8) and a visual window (9); the second pressure transmitter (8) monitors the pressure in the oil storage tank (1) and transmits the monitored pressure value to the monitoring control module.
4. The method for automatically adding lubricating oil in operation of the high-pressure helium compressor according to claim 1, wherein the method comprises the following steps: the pressure stabilizing and controlling module further comprises a helium steel cylinder (10); the helium steel cylinder (10) is connected with the upper end pipeline of the oil storage tank (1), and the connecting pipeline is provided with a pressure stabilizing valve (11).
5. The method for automatically adding lubricating oil in operation of the high-pressure helium compressor according to claim 1, wherein the method comprises the following steps: the pressure stabilizing and controlling module further comprises a pressure regulating valve (12), and the pressure regulating valve (12) is connected with the oil storage tank (1).
6. The method for automatically adding lubricating oil in operation of the high-pressure helium compressor according to claim 1, wherein the method comprises the following steps: the oiling module further comprises a third pressure transmitter (13) and an oil storage tank (14); the third pressure transmitter (13) monitors the pressure of the high-pressure helium compressor oil cavity (2) and transmits the monitored pressure value to the monitoring control module; the lower end of the oil mass calibration container (3) is connected with the oil storage tank (14), and the first control valve (4) is positioned between the oil mass calibration container (3) and the oil storage tank (14).
7. The method for automatically adding lubricating oil in operation of the high-pressure helium compressor according to claim 1, wherein the method comprises the following steps: in the step (1), helium positive and negative pressure leakage detection is respectively carried out on the oil storage tank (1), and lubricating oil 2L is filled in the oil storage tank (1) after the leakage detection is qualified; and installing a pressure stabilizing valve (11) and a pressure regulating valve (12), and then replacing helium in the oil storage tank (1).
8. The method for automatically adding lubricating oil in operation of the high-pressure helium compressor according to claim 1, wherein the method comprises the following steps: in the step (2), before the high-pressure helium compressor operates, the first control valve (4) and the second control valve (6) are closed.
9. The method for automatically adding lubricating oil in operation of the high-pressure helium compressor according to claim 1, wherein the method comprises the following steps: in the step (5), the single accumulated flow Δv of the flowmeter (7) is calculated by the formula (1), and the formula (1) is:
wherein P is 1 、P 2 And rho is the oil density, and S is the inner cross section area of the oil storage tank (1) for the pressure value of the first pressure transmitter (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210696660.2A CN115013286B (en) | 2022-06-20 | 2022-06-20 | System and method for automatically adding lubricating oil in operation of high-pressure helium compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210696660.2A CN115013286B (en) | 2022-06-20 | 2022-06-20 | System and method for automatically adding lubricating oil in operation of high-pressure helium compressor |
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| CN115013286A CN115013286A (en) | 2022-09-06 |
| CN115013286B true CN115013286B (en) | 2023-08-18 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001330195A (en) * | 2000-05-24 | 2001-11-30 | Ishikawajima Hanyoki Service Co Ltd | Automatic oil feeder |
| CN102734131A (en) * | 2011-04-11 | 2012-10-17 | 天津市七星精密机械有限公司 | Full-automatic oil injection system of high-pressure compressor |
| CN107989776A (en) * | 2017-11-27 | 2018-05-04 | 安徽寅时压缩机制造有限公司 | One kind lubrication compensation compressor |
| CN210567439U (en) * | 2019-05-23 | 2020-05-19 | 山西潞安煤基合成油有限公司 | Automatic oiling device |
| CN213838984U (en) * | 2020-12-10 | 2021-07-30 | 国能神皖安庆发电有限责任公司 | Oil supply system of power station boiler fan |
-
2022
- 2022-06-20 CN CN202210696660.2A patent/CN115013286B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001330195A (en) * | 2000-05-24 | 2001-11-30 | Ishikawajima Hanyoki Service Co Ltd | Automatic oil feeder |
| CN102734131A (en) * | 2011-04-11 | 2012-10-17 | 天津市七星精密机械有限公司 | Full-automatic oil injection system of high-pressure compressor |
| CN107989776A (en) * | 2017-11-27 | 2018-05-04 | 安徽寅时压缩机制造有限公司 | One kind lubrication compensation compressor |
| CN210567439U (en) * | 2019-05-23 | 2020-05-19 | 山西潞安煤基合成油有限公司 | Automatic oiling device |
| CN213838984U (en) * | 2020-12-10 | 2021-07-30 | 国能神皖安庆发电有限责任公司 | Oil supply system of power station boiler fan |
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|---|---|
| CN115013286A (en) | 2022-09-06 |
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