CN217421360U - Main lubricating oil tank fan system of gas turbine - Google Patents
Main lubricating oil tank fan system of gas turbine Download PDFInfo
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- CN217421360U CN217421360U CN202221745718.XU CN202221745718U CN217421360U CN 217421360 U CN217421360 U CN 217421360U CN 202221745718 U CN202221745718 U CN 202221745718U CN 217421360 U CN217421360 U CN 217421360U
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Abstract
The utility model discloses a main lubricating oil tank fan system of a gas turbine, which comprises a lubricating oil tank, a smoke exhaust pipeline, an oil smoke filter, a multi-way electromagnetic valve, a smoke exhaust fan, a check valve and a secondary oil smoke purifier; a smoke outlet of the lubricating oil tank is connected with an inlet of the oil fume filter through a smoke exhaust pipeline; the outlet of the oil fume filter is connected with at least two smoke exhaust fans in parallel through a smoke exhaust pipeline; a multi-way electromagnetic valve is arranged at the parallel connection position of the smoke exhaust pipelines, and a check valve is arranged on the smoke exhaust pipeline connected with the outlet of each smoke exhaust fan; and a plurality of smoke exhaust pipelines at the rear end of the check valve are converged into one smoke exhaust pipeline, and the tail part of the smoke exhaust pipeline is provided with a secondary purifier. The utility model discloses a setting of the solenoid valve that leads to more and parallelly connected exhaust pipe and a plurality of smoke ventilator has ensured that the unable during operation of exhaust fan trouble appears on the single parallelly connected exhaust pipe, can in time switch over to carrying out the lubricating-oil tank operation of discharging fume in another parallelly connected exhaust pipe and the smoke ventilator through the solenoid valve that leads to more.
Description
Technical Field
The utility model belongs to the technical field of gas turbine, particularly, relate to a gas turbine owner's lubricating oil case fan system.
Background
The large gas turbines of the power station are all equipped with special lubricating oil tanks, and are used as oil storage equipment of the lubricating oil of the gas turbines and also used as intermediate containers for recovering and intensively discharging oil smoke. When the gas turbine operates, the smoke exhaust fan is used for continuously extracting smoke in the lubricating oil tank so as to maintain the negative pressure environment in the lubricating oil tank and ensure smooth oil return of bearing lubricating oil and good bearing sealing. During load fluctuations of the combustion engine, the lubricating oil tank pressure fluctuates considerably. When the pressure in the lubricating oil tank of the gas turbine deviates from the qualified range, the opening of a manual valve at the inlet of the fan needs to be manually adjusted on the spot to adjust the smoke discharge amount of the smoke discharge fan, so that the pressure in the lubricating oil tank is recovered to be qualified.
Only one smoke exhaust pipeline device is arranged on a smoke exhaust pipeline of the existing gas turbine unit, redundancy and standby are not available, and once the oil tank fan fails, the gas turbine is forced to stop.
Disclosure of Invention
Only have a discharge flue equipment on to current gas turbine unit discharge flue, if the oil tank fan breaks down, the problem that the combustion engine will be forced to shut down, the utility model provides a main smooth oil tank fan system of gas turbine.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
a fan system of a main lubricating oil tank of a gas turbine comprises a lubricating oil tank, a smoke exhaust pipeline, an oil smoke filter, a multi-way electromagnetic valve, a smoke exhaust fan, a check valve and a secondary oil smoke purifier;
a smoke outlet of the lubricating oil tank is connected with an inlet of the oil fume filter through a smoke exhaust pipeline; the outlet of the oil fume filter is connected with at least two smoke exhaust fans in parallel through a smoke exhaust pipeline; a multi-way electromagnetic valve is arranged at the parallel connection position of the smoke exhaust pipelines, and a check valve is arranged on the smoke exhaust pipeline connected with the outlet of each smoke exhaust fan;
and a plurality of smoke discharge pipelines at the rear end of the check valve are converged into one smoke discharge pipeline, and the tail part of the smoke discharge pipeline is provided with a secondary purifier.
Furthermore, manual butterfly valves are arranged on smoke exhaust pipelines connected in parallel at the front end of the smoke exhaust fan.
Furthermore, the smoke exhaust pipelines connected with the front end of the smoke exhaust fan in parallel are provided with gas flow regulating electromagnetic valves, the gas flow regulating electromagnetic valves are electrically connected with a controller, the controller is electrically connected with an air pressure sensor, and the air pressure sensor is arranged on the lubricating oil tank.
Furthermore, a plurality of oil fume adsorption plates are arranged between the inlet and the outlet of the secondary purifier, and the oil fume adsorption plates and the inner wall of the secondary purifier form a straight wave-shaped air guide channel.
Further, the smoke exhaust pipeline comprises a main pipeline and parallel pipelines, the multi-way battery valve is a three-way electromagnetic valve, and the three-way electromagnetic valve is connected with the two parallel pipelines; the three-way electromagnetic valve is an electromagnetic valve with an inlet and two outlets, one inlet is connected with the main pipeline, and the two outlets are respectively connected with the two parallel pipelines; each parallel pipeline is sequentially connected with a manual butterfly valve/gas flow regulating electromagnetic valve, a smoke exhaust fan and a check valve.
Compared with the prior art, the utility model, following beneficial effect has:
through the arrangement of the multi-way electromagnetic valve, the parallel smoke exhaust pipeline and the plurality of smoke exhaust fans, when the smoke exhaust fans on a single parallel smoke exhaust pipeline fail to work, the smoke exhaust fans can be switched to another parallel smoke exhaust pipeline and the smoke exhaust fans in time through the multi-way electromagnetic valve to perform smoke exhaust operation of the lubricating oil tank; the problem of the combustion engine being forced to stop is no longer present.
Drawings
FIG. 1 is a block diagram of a main lubricating oil tank fan system of a gas turbine according to the present invention;
fig. 2 is a control schematic diagram of the controller of the main lubricating oil tank fan system of the gas turbine of the present invention.
The notation in the figure is: 1-lubricating oil tank, 2-smoke exhaust pipeline, 21-main pipeline, 22-parallel pipeline, 3-oil smoke filter, 4-three-way electromagnetic valve, 5-smoke exhaust fan, 6-check valve, 7-secondary oil smoke purifier, 8-oil smoke adsorption plate, 9-manual butterfly valve, 10-gas flow regulating electromagnetic valve, 11-controller and 12-air pressure sensor.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1 and 2, a main lubricating oil tank fan system of a gas turbine comprises a lubricating oil tank 1, a smoke exhaust pipeline 2, an oil smoke filter 3, a multi-way electromagnetic valve, a smoke exhaust fan 5, a check valve 6 and a secondary oil smoke purifier 7.
A smoke outlet of the lubricating oil tank 1 is connected with an inlet of an oil smoke filter 3 through a smoke exhaust pipeline 2; the oil smoke gas firstly enters the smoke exhaust pipeline 2 and the smoke exhaust fan 5 after being filtered by the oil smoke filter 3, so that the oil smoke is prevented from being accumulated in the smoke exhaust pipeline 2 and the smoke exhaust fan 5, the service life of the smoke exhaust pipeline 2 and the service life of the smoke exhaust fan 5 are shortened, and the smoke exhaust efficiency is also influenced.
The outlet of the oil fume filter 3 is connected with at least two smoke exhaust fans 5 in parallel through a smoke exhaust pipeline 2; when the smoke exhaust fan 5 on a single parallel smoke exhaust pipeline 2 fails and cannot work, the smoke exhaust fan can be switched to another parallel smoke exhaust pipeline 2 and the smoke exhaust fan 5 in time through the multi-way electromagnetic valve to perform smoke exhaust operation of the lubricating oil tank 1; the problem of the combustion engine being forced to stop does not arise anymore.
A multi-way electromagnetic valve is arranged at the parallel connection position of the smoke exhaust pipelines 2, and a check valve 6 is arranged on the smoke exhaust pipeline 2 connected with the outlet of each smoke exhaust fan 5; as shown in fig. 2, the three-way solenoid valve 4 is arranged so that the inlet end is connected to the main pipe 21 and the outlet end is connected to a plurality of parallel pipes 22; one or two parallel pipelines 22 are communicated by controlling the opening and closing of the valve ports of the three-way electromagnetic valve 4K1/K2 by the controller 11.
A plurality of smoke exhaust pipelines 2 at the rear end of the check valve 6 are converged into one smoke exhaust pipeline 2, and the tail part of the smoke exhaust pipeline 2 is provided with a secondary purifier. The check valve 6 is also arranged to control the oil smoke gas in the parallel pipeline 22 to flow from the parallel pipeline 22 to the main pipeline 21 in one direction under the control of the controller 11, and the oil smoke gas flowing into the main pipeline 21 cannot flow into the parallel pipeline 22 or the smoke exhaust fan 5 in the reverse direction. The check valve 6 in this embodiment may be replaced by a one-way valve. The secondary purifier can perform secondary oil smoke filtration on oil smoke gas discharged into the atmosphere, so as to prevent air pollution.
The smoke exhaust pipeline 2 connected in parallel at the front end of the smoke exhaust fan 5 is provided with a manual butterfly valve 9. The maximum valve port flux entering the smoke exhaust fan 5 along the smoke exhaust pipeline 2 is adjusted through a manual butterfly valve 9; and then the pressure value of the oil smoke in the lubricating oil tank 1 is adjusted to reduce.
The gas flow regulating electromagnetic valves 10 are arranged on the smoke exhaust pipelines 2 connected with the front end of the smoke exhaust fan 5 in parallel, the gas flow regulating electromagnetic valves 10 are electrically connected with the controller 11, the controller 11 is electrically connected with the air pressure sensor 12, and the air pressure sensor 12 is arranged on the lubricating oil tank 1. Atmospheric pressure numerical value in the lubricating oil tank 1 is monitored through the atmospheric pressure threshold value that baroceptor 12 was predetermine, when atmospheric pressure numerical value in the lubricating oil tank 1 surpassed predetermined atmospheric pressure threshold value, send alarm signal to controller 11 promptly, arbitrary smoke exhaust fan 5 on controller 11 send instruction to parallelly connected exhaust pipe 2, if smoke exhaust fan 5 damages unable start-up, then can not feed back electrical signal, controller 11 then controls the export of many solenoid valve and opens to another parallelly connected exhaust pipe 2 to close the exhaust pipe 2 export of damaged smoke exhaust fan 5. Meanwhile, if the air pressure sensor 12 detects that the air pressure value in the lubricating oil tank 1 is still greater than the preset air pressure threshold value after a delay time (usually 15 seconds), the controller 11 controls the flow of the valve port of the air flow regulating electromagnetic valve 10 to increase, so that the reduction of the air pressure value in the lubricating oil tank 1 is accelerated; or the controller 11 controls the multi-way electromagnetic valve to increase the number of outlets, and the operating number of the smoke exhaust fans 5 of the smoke exhaust pipelines 2 connected in parallel is increased, so that the reduction of the air pressure value in the lubricating oil tank 1 is controlled and accelerated.
A plurality of oil smoke adsorption plates 8 are arranged between the inlet and the outlet of the secondary purifier, and the oil smoke adsorption plates 8 and the inner wall of the secondary purifier form a straight wave-shaped air guide channel. The oil smoke adsorption plate 8 of the secondary purifier is in a shape, so that oil smoke gas flowing into the inlet of the secondary purifier can delay the gas discharge time through the roundabout air guide channel, and the oil smoke in the gas is completely adsorbed by the oil smoke adsorption plate 8 and then discharged to the atmosphere as far as possible.
The smoke exhaust pipeline 2 comprises a main pipeline 21 and parallel pipelines 22, the multi-way battery valve is a three-way electromagnetic valve 4, and the three-way electromagnetic valve 4 is connected with the two parallel pipelines 22; the three-way electromagnetic valve 4 is an electromagnetic valve with an inlet and two outlets, one inlet is connected with the main pipeline 21, and the two outlets are respectively connected with two parallel pipelines 22; each parallel pipeline 22 is connected with a manual butterfly valve 9/a gas flow regulating electromagnetic valve 10, a smoke exhaust fan 5 and a check valve 6 in sequence. The opening and closing of the two outlets and the opening and closing of the smoke exhaust fan 5 on the parallel pipeline 22 connected with the outlets are adjusted through the controller 11; the opening and closing of the outlet of the three-way electromagnetic valve 4 is consistent with or the same as the opening and closing of the smoke exhaust fan 5 on the connected parallel pipeline 22. The smoke exhaust fan 5 on the parallel pipeline 22 is required to be in normal operation to ensure that the main pipeline 21 is connected with the parallel pipeline 22, and the oil smoke of the lubricating oil tank 1 can smoothly flow out of the smoke exhaust pipeline 2. Meanwhile, the pressure in the lubricating oil tank 1 is ensured to be high or low in the integral smoke exhaust speed of the smoke exhaust pipeline 2 through the opening and closing of the multi-way electromagnetic valve outlet and the manual butterfly valve 9/gas flow regulating electromagnetic valve 10 on the parallel pipeline, on the premise that the speed of filtering the oil smoke by the oil smoke filter 3 and the secondary oil smoke purifier 7 is not limited, and the whole smoke exhaust speed is determined according to the output power of the oil smoke fan.
The windowing of a convenient installation and change window glass that this application provided has been introduced in detail above. The description of the specific embodiments is provided to facilitate an understanding of the structure and design of the application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (5)
1. A main lubricating oil tank fan system of a gas turbine is characterized by comprising a lubricating oil tank (1), a smoke exhaust pipeline (2), an oil smoke filter (3), a multi-way electromagnetic valve, a smoke exhaust fan (5), a check valve (6) and a secondary oil smoke purifier (7);
a smoke outlet of the lubricating oil tank (1) is connected with an inlet of the oil fume filter (3) through a smoke exhaust pipeline (2); the outlet of the oil fume filter (3) is connected with at least two smoke exhaust fans (5) in parallel through a smoke exhaust pipeline (2); a multi-way electromagnetic valve is arranged at the parallel connection position of the smoke exhaust pipelines (2), and a check valve (6) is arranged on the smoke exhaust pipeline (2) connected with the outlet of each smoke exhaust fan (5);
a plurality of smoke exhaust pipelines (2) at the rear end of the check valve (6) are converged into one smoke exhaust pipeline (2), and the tail part of the smoke exhaust pipeline (2) is provided with a secondary purifier.
2. The main lubricating oil tank fan system of the gas turbine as claimed in claim 1, wherein the smoke exhaust pipes (2) connected in parallel at the front end of the smoke exhaust fan (5) are provided with manual butterfly valves (9).
3. The main lubricating oil tank fan system of the gas turbine as claimed in claim 1, wherein the exhaust pipes (2) connected in parallel at the front end of the exhaust fan (5) are provided with gas flow regulating electromagnetic valves (10), the gas flow regulating electromagnetic valves (10) are electrically connected with a controller (11), the controller (11) is electrically connected with a gas pressure sensor (12), and the gas pressure sensor (12) is arranged on the lubricating oil tank (1).
4. The main lubricating oil tank fan system of the gas turbine as claimed in claim 2 or 3, wherein a plurality of oil smoke adsorption plates (8) are arranged between the inlet and the outlet of the secondary purifier, and the oil smoke adsorption plates (8) and the inner wall of the secondary purifier form a straight wave-shaped air guide channel.
5. The main lubricating oil tank fan system of the gas turbine as claimed in claim 4, wherein the smoke exhaust duct (2) comprises a main duct (21) and parallel ducts (22), the multi-way battery valve is a three-way electromagnetic valve (4), and the three-way electromagnetic valve (4) is connected with two parallel ducts (22); the three-way electromagnetic valve (4) is an electromagnetic valve with an inlet and two outlets, one inlet is connected with the main pipeline (21), and the two outlets are respectively connected with two parallel pipelines (22); each parallel pipeline (22) is sequentially connected with a manual butterfly valve (9)/a gas flow regulating electromagnetic valve (10), a smoke exhaust fan (5) and a check valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221745718.XU CN217421360U (en) | 2022-07-06 | 2022-07-06 | Main lubricating oil tank fan system of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221745718.XU CN217421360U (en) | 2022-07-06 | 2022-07-06 | Main lubricating oil tank fan system of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217421360U true CN217421360U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221745718.XU Active CN217421360U (en) | 2022-07-06 | 2022-07-06 | Main lubricating oil tank fan system of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217421360U (en) |
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2022
- 2022-07-06 CN CN202221745718.XU patent/CN217421360U/en active Active
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