CN211573644U - Oil seal system of gas turbine - Google Patents
Oil seal system of gas turbine Download PDFInfo
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- CN211573644U CN211573644U CN201922398622.5U CN201922398622U CN211573644U CN 211573644 U CN211573644 U CN 211573644U CN 201922398622 U CN201922398622 U CN 201922398622U CN 211573644 U CN211573644 U CN 211573644U
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Abstract
The utility model provides a gas turbine oil supply unit with oil blanket function. The oil filter comprises a vehicle body, an oil tank, a control box, an oil supply pump, an oil filter, a first one-way valve, a nozzle, an oil return suction pipe, an oil return pump and an oil return window; the oil tank, the control tank, the oil supply pump, the oil filter, the oil return pump and the oil return window are all arranged in the vehicle body; the control box is used for controlling the operation of the gas turbine oil seal system; the inlet of the oil supply pump is connected with the oil tank through a guide pipe, and the outlet of the oil supply pump is connected with the inlet of the oil filter through a guide pipe; the outlet of the oil filter is connected with the inlet of the first one-way valve through a conduit; the outlet of the first one-way valve is connected with the nozzle through a conduit; the inlet of the oil return pump is connected with an oil return suction pipe, and the outlet of the oil return pump is connected with an oil tank through a guide pipe; and an oil return window is arranged on a guide pipe between the oil return pump and the oil tank. The utility model has the advantages of the design combination is tight, fluid long service life, can in time feed back trouble, oil blanket system safety in utilization is strong.
Description
Technical Field
The utility model belongs to gas turbine oil blanket equipment, in particular to gas turbine oil supply unit with oil blanket function.
Background
When the gas turbine does not operate for a long time in transportation and storage, in order to prevent external air from entering the inside of the lubricating oil system to corrode system components when the unit is parked for a long time, an internal oil seal needs to be carried out on the lubricating oil system during parking so as to ensure the reliability of a rolling part of the gas turbine. At present, the equipment for oil sealing of the gas turbine is less, the structure is complex, and the requirement on the professional degree of an operator is higher.
The existing oil seal trolley for the gas turbine is simple in structure composition, single in technical effect and weak in controllability, and the progress of oil seal cannot be reflected by observing oil return amount.
In addition, utility model patent CN 108036057A has introduced an oil blanket dolly for aircraft engine, and this oil blanket dolly has equipment simply, convenient operation's advantage, but what its adopted is one kind and leans on the gaseous pressure of external world to control fuel output, has limited dolly work area in intangible, and the dependency to external gas is stronger, has certain limitation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in that, a mobilizable gas turbine fuel oil supply unit who has the oil blanket function is provided.
A gas turbine fuel oil supply device with an oil seal function is additionally provided with an oil return window, a safety valve, a first one-way valve and a pressure monitoring alarm; the technical problems that the oil seal trolley is simple in structure composition, single in technical effect, weak in controllability and incapable of reflecting the progress of oil seal by observing oil return amount are solved. The oil seal system has the advantages of tight design combination, long service life of oil, capability of timely feeding back faults and strong use safety of the oil seal system.
The concrete technical proposal of the utility model is that
A gas turbine oil seal system comprises a vehicle body, an oil tank, a control box, an oil supply pump, an oil filter, a first one-way valve, a nozzle, an oil return suction pipe, an oil return pump and an oil return window; the oil tank, the control tank, the oil supply pump, the oil filter, the oil return pump and the oil return window are all arranged in the vehicle body; the control box is used for controlling the operation of the gas turbine oil seal system; the inlet of the oil supply pump is connected with the oil tank through a guide pipe, and the outlet of the oil supply pump is connected with the inlet of the oil filter through a guide pipe; the outlet of the oil filter is connected with the inlet of the first one-way valve through a conduit; the outlet of the first one-way valve is connected with the nozzle through a conduit; the inlet of the oil return pump is connected with an oil return suction pipe, and the outlet of the oil return pump is connected with an oil tank through a guide pipe; and an oil return window is arranged on a guide pipe between the oil return pump and the oil tank.
In order to realize oil filling, oil outlet and oil quantity monitoring of the oil tank, the oil tank comprises a tank body, an oil filling port, an oil outlet and an observation window; the oil filling port is arranged on the upper wall of the box body; the oil outlet is arranged on the lower wall of the oil tank; the observation window is arranged on the side wall of the box body.
In order to prevent the whole oil sealing system from being damaged by overlarge pressure, a safety valve is arranged on a guide pipe between the oil supply pump and the oil filter; the inlet of the safety valve is connected to a guide pipe between the oil supply pump and the oil filter, and the pressure relief port is connected with the oil tank through the guide pipe.
In order to meet the oil seal requirement for the gas turbine, the filter pore size of the oil filter is 4 μm.
In order to monitor the operating pressure of the system in real time, pressure gauges are arranged on a guide pipe between the oil supply pump and the oil tank, a guide pipe between the oil filter and the first one-way valve, an oil return suction pipe and a guide pipe between the oil return pump and the oil tank.
In order to realize real-time warning, a pressure alarm system is further arranged in the control box and used for detecting whether pressure readings of each pressure gauge are normal or not and feeding back abnormal data.
In order to meet the oil seal requirement for the gas turbine, the volume of the oil tank is 60L.
In order to meet the oil seal requirement for the gas turbine, the flow rate of the oil supply pump is (1.89-3.15) × 10- 4m3S; the flow rate of the oil return pump is (3.78 to 6)×10-4m3/s。
In order to facilitate the movement of the whole system and the stability in use, the bottom of the trolley body is provided with four lockable universal wheels, and the upper part of the trolley body is provided with a hand-push handrail.
In order to avoid oil liquid backflow, a second one-way valve is arranged in a pipeline of the oil return suction pipe.
The utility model discloses beneficial effect that can bring:
1. the utility model discloses an oil pump supplies pressure, has avoided the too much contact of lubricating oil with the air, has prolonged the life of fluid.
2. By adopting the oil return window, the progress of oil sealing when the gas turbine is subjected to oil sealing can be estimated through flow observation.
3. By adopting the first check valve, the oil is prevented from flowing back from the nozzle when the device is not used.
4. And the safety valve is adopted, so that the damage to a system conduit or the harm to workers caused by overlarge oil supply pressure is avoided.
5. The observation window is arranged on the side wall of the oil tank, so that the oil quantity in the oil tank and the quality of the oil can be effectively observed in real time, and the oil can be replaced or supplemented.
6. The lockable universal wheels are arranged at the bottom of the vehicle body, so that the movement of the oil seal system is ensured, and the stability of the oil seal system in use can be ensured. The hand push handrails are arranged above the trolley, so that the operation of workers is facilitated.
Drawings
FIG. 1 is a schematic diagram of the composition of a gas turbine oil seal system.
Wherein: the oil filter comprises a vehicle body (1), an oil tank (2), a control box (3), an oil supply pump (4), an oil filter (5), a first one-way valve (6), a nozzle (7), an oil return suction pipe (8), an oil return pump (9), an oil return window (10), an oil filling port (11), an oil outlet (12), an observation window (13), a safety valve (14), a second one-way valve (15), a pressure gauge (16), a lockable universal wheel (17), a hand push handrail (18) and a gas turbine lubricating oil system (19).
Detailed Description
The present invention will now be described in detail with reference to the drawings attached hereto.
In one embodiment of the utility model, the utility model relates to a gas turbine oil seal system, which comprises a vehicle body 1, an oil tank 2, a control box 3, an oil supply pump 4, an oil filter 5, a first check valve 6, a nozzle 7, an oil return suction pipe 8, an oil return pump 9 and an oil return window 10; the oil tank 2, the control box 3, the oil supply pump 4, the oil filter 5, the oil return pump 9 and the oil return window 10 are all arranged in the vehicle body 1; the control box 3 is used for controlling the operation of the gas turbine oil seal system; the inlet of the oil supply pump 4 is connected with the oil tank 2 through a guide pipe, and the outlet of the oil supply pump is connected with the inlet of the oil filter 5 through a guide pipe; the outlet of the oil filter 5 is connected with the inlet of a first one-way valve 6 through a conduit; the outlet of the first one-way valve 6 is connected with a nozzle 7 through a conduit; the inlet of the oil return pump 9 is connected with an oil return suction pipe 8, and the outlet of the oil return pump is connected with the oil tank 2 through a conduit; an oil return window 10 is arranged on a guide pipe between the oil return pump 9 and the oil tank 2.
In one embodiment, in order to realize the oil filling, oil outlet and oil quantity monitoring of the oil tank 2, the oil tank 2 comprises a tank body, an oil filling opening 11, an oil outlet 12 and an observation window 13; the oil filling port 11 is arranged on the upper wall of the box body; the oil outlet 12 is arranged at the lower wall of the oil tank 2; the observation window 13 is arranged on the side wall of the box body.
In one embodiment, in order to prevent the overall oil sealing system from being damaged by excessive pressure, a safety valve 14 is arranged on a conduit between the oil supply pump 4 and the oil filter 5; the inlet of the safety valve 14 is connected to a conduit between the oil supply pump 4 and the oil filter 5, and the pressure relief port is connected to the oil tank 2 through a conduit.
In one embodiment, the filter pore size of the oil filter 5 is 4 μm in order to meet the oil seal requirements for gas turbines.
In one embodiment, in order to monitor the system operating pressure in real time, pressure gauges 16 are arranged on the conduit between the oil supply pump 4 and the oil tank 2, the conduit between the oil filter 5 and the first check valve 6, the oil return suction pipe 8 and the conduit between the oil return pump 9 and the oil tank 2.
In one embodiment, in order to realize real-time warning, a pressure warning system is further disposed in the control box 3, and the pressure warning system is configured to detect whether pressure readings of each pressure gauge 16 are normal or not and feed back abnormal data.
In one embodiment, the oil tank 2 has a volume of 60L in order to meet the oil seal requirements for the gas turbine.
In one embodiment, in order to meet the oil seal requirement for the gas turbine, the flow rate of the oil supply pump 4 is (1.89-3.15) × 10-4m3The flow rate of the oil return pump 9 is (3.78-6) × 10-4m3/s。
In one embodiment, to facilitate the movement of the whole system and the stability of the system in use, the bottom of the vehicle body 1 is provided with four lockable universal wheels 17, and the upper part of the vehicle body 1 is provided with a hand-push handrail 18.
In one embodiment, in order to avoid the oil from flowing back, a second check valve 15 is arranged in the pipeline of the return suction pipe 8.
The utility model is further explained with respect to the whole using process;
the oil seal system is moved to a use position by using the hand-push handrail 18, the lockable universal wheel 17 is locked, the amount of oil in the oil tank 2 and whether the oil is deteriorated or not are observed through the observation window 13, and if the oil needs to be added, the oil is added from the oil filling port 11; if the oil needs to be replaced, the qualified oil is added from the oil filling port 11 after the oil is discharged from the oil outlet 12; until the use conditions of the oil liquid amount and the oil liquid quality are met.
When oil sealing is carried out, the nozzle 7 is aligned to a gas turbine lubricating oil system 19, a guide pipe connected with the oil return pump 9 is placed at a position below equipment to be sealed, oil can be collected, a second one-way valve 15 is arranged at the front end of the guide pipe connected with the oil return pump 9, the oil supply pump 4 and the oil return pump 9 are opened through a controller during working, the oil supply pressure is ensured to be 34-70 kPa by observing a pressure gauge 16, and a compressor rotor of the gas generator is rotated for 12-15 minutes. And then the oil supply pump 4 is closed through the controller, the oil return pump 9 continues to work, the oil return pump 9 is closed when no lubricating oil flows through the oil return window 10, and oil sealing is finished.
When the system has a fault, the controller reads that the pressure of the pressure gauge 16 exceeds a normal pressure range, the alarm gives an alarm and feeds back the position of the pressure gauge 16 with the fault, the oil supply pump 4 or the oil return pump 9 is closed, and the problem is solved.
When the pressure of the oil supply pipeline is overlarge, the alarm gives an alarm, the safety valve 14 is opened, oil enters the oil tank 2 through the guide pipe, the pressure of the oil supply pipeline is reduced, and potential safety hazards are avoided.
Claims (10)
1. A gas turbine oil seal system is characterized by comprising a vehicle body (1), an oil tank (2), a control box (3), an oil supply pump (4), an oil filter (5), a first one-way valve (6), a nozzle (7), an oil return suction pipe (8), an oil return pump (9) and an oil return window (10); the oil tank (2), the control box (3), the oil supply pump (4), the oil filter (5), the oil return pump (9) and the oil return window (10) are all arranged in the vehicle body (1); the control box (3) is used for controlling the operation of the gas turbine oil seal system; the inlet of the oil supply pump (4) is connected with the oil tank (2) through a guide pipe, and the outlet of the oil supply pump is connected with the inlet of the oil filter (5) through a guide pipe; the outlet of the oil filter (5) is connected with the inlet of the first one-way valve (6) through a conduit; the outlet of the first one-way valve (6) is connected with a nozzle (7) through a conduit; the inlet of the oil return pump (9) is connected with an oil return suction pipe (8), and the outlet of the oil return pump is connected with the oil tank (2) through a conduit; an oil return window (10) is arranged on a guide pipe between the oil return pump (9) and the oil tank (2).
2. Gas turbine oil seal system according to claim 1, wherein the oil tank (2) comprises a tank body, an oil filling port (11), an oil outlet (12) and an observation window (13); the oil filling port (11) is arranged on the upper wall of the box body; the oil outlet (12) is arranged on the lower wall of the oil tank (2); the observation window (13) is arranged on the side wall of the box body.
3. Gas turbine oil seal system according to claim 1, characterized in that a safety valve (14) is provided on the conduit between the oil supply pump (4) and the oil filter (5); the inlet of the safety valve (14) is connected to a guide pipe between the oil supply pump (4) and the oil filter (5), and the pressure relief port is connected with the oil tank (2) through the guide pipe.
4. Gas turbine oil seal system according to claim 1, wherein the filter pore size of the oil filter (5) is 4 μm.
5. Gas turbine oil seal system according to claim 1, wherein pressure gauges (16) are arranged on the conduit between the oil supply pump (4) and the oil tank (2), the conduit between the oil filter (5) and the first one-way valve (6), the oil return suction pipe (8) and the conduit between the oil return pump (9) and the oil tank (2).
6. The gas turbine oil seal system according to claim 5, wherein a pressure alarm system is further arranged in the control box (3) and used for detecting whether the pressure reading of each pressure gauge (16) is normal or not and feeding back abnormal data.
7. Gas turbine oil seal system according to claim 1, characterized in that the volume of the oil tank (2) is 60L.
8. The gas turbine oil seal system according to claim 1, wherein the flow rate of the oil supply pump (4) is (1.89-3.15) × 10-4m3The flow rate of the oil return pump (9) is (3.78-6) × 10-4m3/s。
9. Gas turbine oil seal system according to claim 1, characterized in that the bottom of the vehicle body (1) is provided with four lockable universal wheels (17); the upper part of the vehicle body (1) is provided with a hand-push handrail (18).
10. Gas turbine oil seal system according to claim 1, characterized in that a second one-way valve (15) is arranged in the conduit of the return oil suction pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922398622.5U CN211573644U (en) | 2019-12-27 | 2019-12-27 | Oil seal system of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922398622.5U CN211573644U (en) | 2019-12-27 | 2019-12-27 | Oil seal system of gas turbine |
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| Publication Number | Publication Date |
|---|---|
| CN211573644U true CN211573644U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922398622.5U Active CN211573644U (en) | 2019-12-27 | 2019-12-27 | Oil seal system of gas turbine |
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| Country | Link |
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| CN (1) | CN211573644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022193A (en) * | 2019-12-27 | 2020-04-17 | 青岛中科国晟动力科技有限公司 | Oil seal system of gas turbine |
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2019
- 2019-12-27 CN CN201922398622.5U patent/CN211573644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022193A (en) * | 2019-12-27 | 2020-04-17 | 青岛中科国晟动力科技有限公司 | Oil seal system of gas turbine |
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