CN219346184U - Optimized and improved device for lubricating oil accident oil discharge system - Google Patents
Optimized and improved device for lubricating oil accident oil discharge system Download PDFInfo
- Publication number
- CN219346184U CN219346184U CN202320329553.6U CN202320329553U CN219346184U CN 219346184 U CN219346184 U CN 219346184U CN 202320329553 U CN202320329553 U CN 202320329553U CN 219346184 U CN219346184 U CN 219346184U
- Authority
- CN
- China
- Prior art keywords
- oil
- accident
- pipeline
- lubricating oil
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a device for optimizing and improving a lubricating oil accident oil discharge system, which comprises a lubricating oil tank, an oil storage tank, an oil purifying device, a lubricating oil delivery pump, a pneumatic diaphragm pump, an accident oil pool and other equipment; the lubricating oil tank is communicated with the oil storage tank through an accident oil discharging pipeline, one path of oil in the oil storage tank can go to an accident oil tank, the other path of oil can go to an oil purifying device, and the oil purifying device is communicated with the lubricating oil tank. According to the utility model, the pneumatic diaphragm pump and the related valves are added on the accident oil discharge pipeline, so that the oil discharge time of the lubricating oil tank is shortened, the safety of a system and equipment is ensured to the greatest extent under an emergency condition, meanwhile, the compressed air leakage detection pipeline is added, the accident oil discharge pipeline is tested regularly, and the safety of the system in operation is improved.
Description
Technical Field
The utility model belongs to the technical field of power plant lubricating oil systems, and particularly relates to an optimized and improved device of a lubricating oil accident oil discharge system.
Background
The main function of the power plant main engine lubricating oil system is to provide qualified lubricating and cooling oil for each bearing and jigger device of the steam turbine generator unit. The lubricating oil forms a stable oil film in the bearings during normal operation of the unit to maintain good rotation of the rotor. The lubricating oil system mainly comprises a lubricating oil tank, a lubricating oil pump, an oil cooler, a filter, an oil purifying device and related equipment such as valves, pipelines, meters and the like.
When an emergency occurs in a power plant, such as a fire in a main building, grease in a lubricating oil tank needs to be emptied as soon as possible. The existing system utilizes gravitational potential energy generated by vertical height difference formed by the lubricating oil tank and the oil storage tank during arrangement to enable grease to flow into the oil storage tank. However, the method needs a long time to drain grease in the lubricating oil tank, and if emergency is met, the oil drain time is likely to be unsatisfied, and serious threat is caused to personal safety and unit equipment. On the other hand, the accident oil drain system is generally in an idle state for a long time, and can be used only when a critical situation occurs, and the tightness of the system is important during use. If a leak exists in the system, the consequences are difficult to measure. It is necessary to optimize the oil system for the oil accident.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an optimized and improved device for the lubricating oil accident oil discharge system.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an optimized and improved device of a lubricating oil accident oil discharge system comprises a lubricating oil tank, an oil storage tank, an oil purifying device and an accident oil pool;
the lubricating oil tank is communicated with the oil storage tank through an accident oil discharging pipeline, one path of oil in the oil storage tank can go to an accident oil tank, the other path of oil can go to an oil purifying device, and the oil purifying device is communicated with the lubricating oil tank.
The utility model is further improved in that an accident oil discharge pipeline between the lubricating oil tank and the oil storage tank is sequentially provided with a check valve, a lubricating oil tank outlet isolation valve, a pneumatic diaphragm pump, a pump outlet valve and an oil storage tank inlet isolation valve.
A further development of the utility model is that the mounting position of the non-return valve is close to the lubrication tank.
A further improvement of the utility model is that the reservoir inlet isolation valve is mounted close to the reservoir.
The utility model is further improved in that the power source of the pneumatic diaphragm pump is compressed air when the pneumatic diaphragm pump works, and the compressed air is from a compressed air pipeline for a power plant instrument.
The utility model is further improved in that an air inlet regulating valve is arranged on a working air source pipeline of the pneumatic diaphragm pump and used for controlling the working pressure of the pneumatic diaphragm pump, and a pressure measuring point P is arranged behind the air inlet regulating valve 1 The device is used for monitoring working pressure, and a compressed air inlet main valve is arranged in front of an inlet regulating valve.
The utility model is further improved in that a pipeline is led out from the back of the air inlet main valve and the front of the air inlet regulating valve of the working air source pipeline of the pneumatic diaphragm pump, and is a compressed air leakage checking pipeline, the outlet of the pipeline is communicated with an accident oil discharge pipeline after the outlet valve of the pump, a leakage checking pipeline pneumatic valve is arranged on the pipeline, and a pressure measuring point P is arranged behind the leakage checking pipeline pneumatic valve 2 Meanwhile, a pressure measuring point P is arranged on the accident oil discharge pipeline 3 。
The utility model is further improved in that an accident oil pool inlet pneumatic valve is arranged on a pipeline for communicating the oil storage tank with the accident oil pool.
The utility model is further improved in that the oil storage tank is communicated with the oil purifying device through the lubricating oil delivery pump and is provided with a liquid level measuring point L 1 。
The utility model is further improved in that an outlet isolation valve of the oil purifying device is arranged on a pipeline, which is communicated with the lubricating oil tank, of the oil purifying device.
The utility model has at least the following beneficial technical effects:
the utility model provides an optimized and improved device for a lubricating oil accident oil discharge system, which is characterized in that a pneumatic diaphragm pump and related valves are added on an accident oil discharge pipeline, so that the oil discharge time of a lubricating oil tank is shortened, and the safety of the system and equipment is ensured to the greatest extent in an emergency. Meanwhile, a compressed air leakage detection pipeline is additionally arranged, tightness tests are regularly carried out on the accident oil discharge pipeline, tightness of the pipeline is checked, if leakage points exist in the pipeline, defects can be rapidly introduced and eliminated, and safety of the system in operation is improved.
The system has fewer newly-added devices and pipelines, the existing devices and pipelines of the power plant are basically utilized, the investment cost is low, and the system has better economy when being optimized and improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Reference numerals illustrate:
1 is a lubricating oil tank, 2 is an oil storage tank, 3 is a lubricating oil delivery pump, 4 is an oil purification device, 5 is a pneumatic diaphragm pump, 6 is an accident oil pool, 7 is compressed air for a power plant instrument, 8 is a check valve, 9 is a lubricating oil tank outlet isolation valve, 10 is a pump outlet valve, 11 is an oil storage tank inlet isolation valve, 12 is an oil purification device outlet isolation valve, 13 is a compressed air inlet main valve, 14 is an air inlet regulating valve, 15 is a leak detection pipeline pneumatic valve, and 16 is an accident oil pool inlet pneumatic valve.
L 1 Is the liquid level measuring point of the oil storage tank, P 1 P is the working pressure measuring point of the pneumatic diaphragm valve 2 Pressure measuring point P of pipeline for checking leakage of compressed air 3 The pressure measuring point is detected for the accident oil discharging pipeline.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the device for optimizing and improving the lubricating oil accident oil discharge system comprises a lubricating oil tank 1, an oil storage tank 2, an oil purifying device 4, a lubricating oil delivery pump 3, a pneumatic diaphragm pump 5, an accident oil pool 6 and the like.
The lubricating oil tank 1 is communicated with the oil storage tank 2 through an accident oil discharge pipeline, one path of oil in the oil storage tank 2 can go to the accident oil pool 6, the other path of oil goes to the oil purifying device 4, and the oil purifying device 4 is communicated with the lubricating oil tank 1.
The accident oil discharge pipeline between the lubricating oil tank 1 and the oil storage tank 2 is sequentially provided with a check valve 8, a lubricating oil tank outlet isolation valve 9, a pneumatic diaphragm pump 5, a pump outlet valve 10 and an oil storage tank inlet isolation valve 11, wherein the installation position of the check valve 8 is close to the lubricating oil tank 1, and the installation position of the oil storage tank inlet isolation valve 11 is close to the oil storage tank 2. The power source of the pneumatic diaphragm pump 5 during operation is compressed air, and the compressed air is from a compressed air pipeline for a power plant instrument. Because the maximum working pressure of the pneumatic diaphragm pump is not more than 0.7MPa, and the pressure of a main pipe of a compressed air system for a power plant instrument is 0.7-0.8MPa, an air inlet regulating valve 14 is arranged on a working air source pipeline of the pneumatic diaphragm pump to control the working pressure of the pneumatic diaphragm pump, and a pressure measuring point P is arranged behind the regulating valve 1 For monitoring the working pressure. A compressed air inlet valve 13 is also arranged in front of the regulating valve.
The working air source pipeline of the pneumatic diaphragm pump is led out of the rear part of the air inlet main valve and the front part of the air inlet regulating valveThe pipeline is a compressed air leakage detection pipeline, an outlet of the pipeline is communicated with an accident oil discharge pipeline after the pump outlet valve 10, a leakage detection pipeline pneumatic valve 15 is arranged on the pipeline, and a pressure measuring point P is arranged after the leakage detection pipeline pneumatic valve 15 2 Meanwhile, a pressure measuring point P is arranged on the accident oil discharge pipeline 3 。
An accident oil pool inlet pneumatic valve 16 is arranged on a pipeline for communicating the oil storage tank 2 with the accident oil pool 6, the oil storage tank 2 is communicated with the oil purifying device 4 through the lubricating oil conveying pump 3, and the oil storage tank 2 is provided with a liquid level measuring point L 1 。
An oil purifying device outlet isolation valve 12 is arranged on a pipeline of the oil purifying device 4 communicated with the lubricating oil tank 1.
The utility model relates to a device for optimizing and improving a lubricating oil accident oil discharge system, which comprises the following operation methods:
when the lubricating oil system is operating normally, the lubricating oil tank outlet isolation valve 9 is closed, and the on-off state of the oil tank inlet isolation valve 11 is determined by whether the oil purifying device 4 is operating. Closing the compressed air inlet main valve 13, and stopping the related equipment of the accident oil discharging system;
when the lubricating oil system is in normal operation, leakage detection is required to be carried out on the accident oil discharge pipeline at regular intervals. At this time, the compressed air intake main valve 13, the leak detection pipeline pneumatic valve 15 and the pump outlet valve 10 are opened, and the intake regulating valve 14, the lubricating oil tank outlet isolation valve 9 and the oil tank inlet isolation valve 11 are closed to charge the accident oil discharge pipeline with compressed air. Because of the non-return valve 8, compressed air does not enter the lubricating oil tank 1. At this time, the pressure measuring point P is closely concerned 2 And P 3 If P is the value of 2 And P 3 If the display values of the two are the same, no leakage point exists in the accident oil discharging pipeline; if P 2 And P 3 If the display values of the pipeline are different, the pipeline has leakage points, and the leakage points need to be further checked and eliminated;
when an emergency accident occurs in the power plant and oil in the lubricating oil tank needs to be discharged, the lubricating oil tank outlet isolation valve 9, the pump outlet valve 10 and the oil tank inlet isolation valve 11 are rapidly opened, so that the smoothness of an accident oil discharge pipeline is ensured. The compressed air intake main valve 13 and the intake regulating valve 14 are opened, and the valve is closedThe pneumatic valve 15 of the leak detection pipeline and the pneumatic diaphragm pump 5 work normally to accelerate the oil discharge speed. At this time, the pressure measuring point P is monitored 1 The opening of the air inlet regulating valve is regulated to ensure P 1 The number of (2) is not more than 0.7MPa. Simultaneously pay attention to the liquid level measuring point L of the oil storage tank 1 If the liquid level is higher, the pneumatic valve 16 at the inlet of the accident oil pool is opened to discharge the oil in the oil storage tank to the accident oil pool.
The utility model provides an optimized and improved method for the lubricating oil accident oil discharge system, which is applicable to thermal generator sets, but is not limited to the sets. All the above description illustrates the basic principles, main features and advantages of the present utility model. The present utility model is not limited by the above embodiments, which are merely illustrative of the principles of the present utility model. The utility model is subject to various changes and modifications in the actual design construction process, which are all within the scope of the utility model as claimed.
Claims (10)
1. The device for optimizing and improving the lubricating oil accident oil discharge system is characterized by comprising a lubricating oil tank, an oil storage tank, an oil purifying device and an accident oil pool;
the lubricating oil tank is communicated with the oil storage tank through an accident oil discharging pipeline, one path of oil in the oil storage tank can go to an accident oil tank, the other path of oil can go to an oil purifying device, and the oil purifying device is communicated with the lubricating oil tank.
2. The device for optimizing and improving an accident oil drain system for lubricating oil according to claim 1, wherein the accident oil drain pipeline between the lubricating oil tank and the oil storage tank is sequentially provided with a check valve, a lubricating oil tank outlet isolation valve, a pneumatic diaphragm pump, a pump outlet valve and an oil storage tank inlet isolation valve.
3. An improved device for optimizing a lubricating oil accident oil drain system according to claim 2, wherein the check valve is mounted in a position adjacent the lubricating oil tank.
4. An improved device for optimizing a lubricating oil emergency drain system as defined in claim 2, wherein the reservoir inlet isolation valve is mounted adjacent the reservoir.
5. The device for optimizing and improving a lubricating oil accident oil discharge system according to claim 2, wherein the power source of the pneumatic diaphragm pump is compressed air when the pneumatic diaphragm pump works, and the compressed air is from a compressed air pipeline for a power plant instrument.
6. The device for optimizing and improving lubricating oil accident oil discharge system according to claim 5, wherein the working air source pipeline of the pneumatic diaphragm pump is provided with an air inlet regulating valve for controlling the working pressure of the pneumatic diaphragm pump, and a pressure measuring point P is arranged behind the air inlet regulating valve 1 The device is used for monitoring working pressure, and a compressed air inlet main valve is arranged in front of an inlet regulating valve.
7. The device for optimizing and improving lubricating oil accident oil discharge system according to claim 6, wherein a pipeline is led out of the pneumatic diaphragm pump working air source pipeline after the air inlet main valve and before the air inlet regulating valve, and is a compressed air leakage checking pipeline, the pipeline outlet is communicated with the accident oil discharge pipeline after the pump outlet valve, a leakage checking pipeline pneumatic valve is arranged on the pipeline, and a pressure measuring point P is arranged behind the leakage checking pipeline pneumatic valve 2 Meanwhile, a pressure measuring point P is arranged on the accident oil discharge pipeline 3 。
8. The device for optimizing and improving a lubricating oil accident oil drain system according to claim 1, wherein the pipeline for communicating the oil storage tank with the accident oil pool is provided with an accident oil pool inlet pneumatic valve.
9. The device for optimizing and improving a lubricating oil accident oil discharge system according to claim 1, wherein the oil storage tank is communicated with the oil purifying device through a lubricating oil delivery pump, and the oil storage tank is provided with a liquid level measuring point L 1 。
10. The device for optimizing and improving a lubricating oil accident oil discharge system according to claim 1, wherein an oil purifying device outlet isolation valve is arranged on a pipeline in which the oil purifying device is communicated with the lubricating oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320329553.6U CN219346184U (en) | 2023-02-27 | 2023-02-27 | Optimized and improved device for lubricating oil accident oil discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320329553.6U CN219346184U (en) | 2023-02-27 | 2023-02-27 | Optimized and improved device for lubricating oil accident oil discharge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219346184U true CN219346184U (en) | 2023-07-14 |
Family
ID=87110778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320329553.6U Active CN219346184U (en) | 2023-02-27 | 2023-02-27 | Optimized and improved device for lubricating oil accident oil discharge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219346184U (en) |
-
2023
- 2023-02-27 CN CN202320329553.6U patent/CN219346184U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202560624U (en) | Circulation protection and control system of mechanical seals | |
| CN201475088U (en) | Novel hydraulic test bench | |
| CN208672312U (en) | The low-temp low-pressure experimental cabin of simulated altitude | |
| CN101512128A (en) | System and method for detecting impaired operation of an internal combustion engine turbocharger | |
| CN101520360A (en) | Turbocharger lubricating oil leakage detection device | |
| US20170298810A1 (en) | Turbocharger Speed Anomaly Detection | |
| CN219346184U (en) | Optimized and improved device for lubricating oil accident oil discharge system | |
| CN207701442U (en) | A kind of large-scale compressor lubricating system with inspection circuit | |
| CN106382467B (en) | A kind of long range liquid oxygen supply system and its forecooling method | |
| CN102634803A (en) | Long-period shutdown protection method for generator sets | |
| CN209655043U (en) | A kind of low-pressure fuel gas pipeline minute leakage on-line monitoring system | |
| CN102174940A (en) | Gas making furnace oil pressure system with detection function | |
| CN113670622B (en) | Cooling water return system and method for bench test of marine diesel engine | |
| CN212508532U (en) | Variable load natural gas engine valve and supercharger lubricating device | |
| CN107165854B (en) | Automatic control and recovery device for sealing water of water supply pump | |
| CN206399617U (en) | Plate type heat exchanger suppresses test device | |
| CN114811564A (en) | Intelligent nitrogen shutdown protection process for thermal power generating unit | |
| CN113882953A (en) | Flexible self-adaptive high-low pressure lubricating oil system for gas turbine generator | |
| CN111911416A (en) | Two-loop emergency water replenishing diesel engine pump set and system for nuclear power plant | |
| CN111911415A (en) | Nuclear power plant is with emergent moisturizing diesel engine pump package of return circuit and system | |
| CN112361319A (en) | Low-temperature economizer system with leakage detection function and control method | |
| CN213395269U (en) | Low-temperature economizer system with leak hunting function | |
| CN109282559A (en) | A kind of boiler pump motor cooler circulating water cooling system and its leakage detection method | |
| CN109027204A (en) | A kind of monitoring of wind turbine gearbox solid particle, filtering and rinse-system | |
| CN103114906A (en) | Locomotive booster pressure maintaining filtering system with memory self-checking function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |