CN217440190U - Fuel supply and purification system for control oil of gas turbine - Google Patents
Fuel supply and purification system for control oil of gas turbine Download PDFInfo
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- CN217440190U CN217440190U CN202221276341.8U CN202221276341U CN217440190U CN 217440190 U CN217440190 U CN 217440190U CN 202221276341 U CN202221276341 U CN 202221276341U CN 217440190 U CN217440190 U CN 217440190U
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Abstract
The utility model belongs to the gas turbine field discloses a gas turbine control oil fuel feeding clean system, including control oil tank, oil cooler, fuel feed pump, fuel feed pipe, time oil pipe, oil cooler, control oil tank, fuel feed pump, fuel feed pipe communicate in proper order, still include oily purification unit, oily purification unit includes circulating pump, auxiliary fuel tank, one-level filter, fine filter, first three-way valve, second three-way valve, and this system has designed one set of oily purification unit that can intermittent type nature and continuity operation to the control oil tank, and it can realize the purification of the interior oil of auxiliary fuel tank, can realize that the control oil tank purifies, to multiple operations such as control oil tank additional control oil.
Description
Technical Field
The utility model relates to a gas turbine field specifically is a gas turbine control oil fuel feeding clean system.
Background
CN201620878701.X discloses a gas turbine hydraulic servo system and a power oil device for an actuating mechanism thereof, wherein the power oil device for the actuating mechanism comprises an actuating mechanism oil supply main pipe; the main oil tank is used for supplying oil to the execution mechanism oil supply main pipe; the oil source main pump control module is arranged between an outlet of the main oil tank and an inlet of an execution mechanism oil supply main pipe; the gas turbine tripping pressure oil module is connected with an outlet of the execution mechanism oil supply main pipe; the heating/filtering control module is connected with the main oil tank; the actuating mechanism oil return main pipe is used for guiding out oil output by the actuating mechanism; the oil source cooling control module is connected with the execution mechanism oil return main pipe; a pipeline high pressure accumulator control module; the pressure monitoring and testing module is arranged on the execution mechanism oil supply main pipe; an electric control cabinet.
Although the main oil tank is connected with the filtering control module, the oil supply is far from meeting the requirement of quality optimization control of the control oil by adopting the filtering module.
Therefore, the utility model discloses the problem that will solve lies in: how to improve the control of the oil quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas turbine control oil fuel feeding clean system, but this system has designed one set of intermittent type nature and the oily purification unit of continuity operation to the control oil tank, and it can realize the purification of oil in the auxiliary oil tank, can realize that the control oil tank purifies, to multiple operations such as control oil tank additional control oil.
In order to achieve the above object, the utility model provides a following technical scheme: a fuel supply and purification system for control oil of a gas turbine comprises a control oil tank, an oil cooler, an oil supply pump, an oil supply pipe and an oil return pipe, wherein the oil return pipe, the oil cooler, the control oil tank, the oil supply pump and the oil supply pipe are sequentially communicated; the outlet of the circulating pump is connected with the inlet of the primary filter, three interfaces of the second three-way valve are respectively connected to the top of the auxiliary oil tank, the outlet of the primary filter and the inlet of the fine filter, and the outlet of the fine filter is connected to the top of the control oil tank.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses but one set of intermittent type nature and the oily purification unit of continuity operation have been designed to the control oil tank, its purification that can realize the interior oil of supplementary oil tank, can realize that the control oil tank purifies, to multiple operations such as control oil tank additional control oil.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, a fuel supply and purification system for control oil of a combustion engine comprises a control oil tank 1, an oil cooler 2, an oil supply pump 3, an oil supply pipe 4 and an oil return pipe 5, wherein the oil return pipe 5, the oil cooler 2, the control oil tank 1, the oil supply pump 3 and the oil supply pipe 4 are sequentially communicated, the system further comprises an oil purification unit, the oil purification unit comprises a circulating pump 6, an auxiliary oil tank 7, a primary filter 8, a fine filter 9, a first three-way valve 10 and a second three-way valve 11, and three interfaces of the first three-way valve 10 are respectively connected to the bottom of the auxiliary oil tank 7, an inlet of the circulating pump 6 and the bottom of the control oil tank 1; the exit linkage one-level filter 8's of circulating pump 6 entry, the three interface of second three-way valve 11 is connected to the top of auxiliary fuel tank 7, the export of one-level filter 8, the entry of smart filter 9 respectively, the exit linkage of smart filter 9 is to the top of control oil tank 1.
The present embodiment is divided into several working modes:
mode 1: the normal oil supply and oil purification unit does not work, and at the moment, the oil return pipe 5, the oil cooler 2, the control oil tank 1, the oil supply pump 3 and the oil supply pipe 4 are communicated in sequence to supply oil.
Mode 2: the oil supply and purification unit works normally, at the moment, the oil return pipe 5, the oil cooler 2, the control oil tank 1, the oil supply pump 3 and the oil supply pipe 4 are sequentially communicated for supplying oil, the control oil tank 1, the first three-way valve 10, the circulating pump 6, the primary filter 8, the fine filter 9 and the control oil tank 1 are used for oil circulation, and the oil in the control oil tank 1 is filtered;
mode 3: normally supplying oil, the auxiliary oil tank 7 supplies oil to the control oil tank 1, at this time, the oil return pipe 5, the oil cooler 2, the control oil tank 1, the oil supply pump 3 and the oil supply pipe 4 are sequentially communicated to supply oil, and the auxiliary oil tank 7, the first three-way valve 10, the circulating pump 6, the primary filter 8, the fine filter 9 and the control oil tank 1 form an oil supply flow path.
Preferably, a regenerative filter 12 is provided between the fine filter 9 and the first three-way valve 10.
In this embodiment, the number of the primary filters 8 is 2 and the filters are connected in parallel; two ends of the fine filter 9 and the regeneration filter 12 are connected with a bypass pipe 13, and a first valve 14 is connected to the bypass pipe 13.
As a further refinement of the embodiment, a bottom oil supply pipe 15 and a top oil supply pipe 16 are connected in parallel between the oil supply pump 3 and the control oil tank 1; the bottom oil supply pipe 15 extends to the bottom of the control oil tank 1, and the top oil supply pipe 16 extends to the middle upper part of the control oil tank 1; the bottom oil supply pipe 15 is connected with a first filter 17; the exit linkage of fuel feed pump 3 has second filter 18, be equipped with second valve 19 between bottom fuel feed pipe 15 and the fuel feed pump 3, first three-way valve 10 is connected and then is connected to the bottom of controlling oil tank 1 with bottom fuel feed pipe 15, third valve 20 has between first three-way valve 10 and the bottom fuel feed pipe 15.
When in mode 2, the top feed line 16 is open to the feed pump 3 and the second valve 19 is closed; when in mode 1, the top feed line 16 is disconnected from the feed pump 3 and the second valve 19 is opened. That is, the bottom feed pipe 15 is generally used for the oil supply operation, and the bottom feed pipe 15 is circulated when the control tank 1 is cleaned of oil.
Preferably, a flowmeter 21 located at the inlet of the oil supply pump 3 is arranged on each of the bottom oil supply pipe 15 and the top oil supply pipe 16, an auxiliary pipeline 22 is arranged between the second three-way valve 11 and the fine filter 9, the auxiliary pipeline 22 is connected with an external oil supply pressure measuring point, a third filter 23 is arranged at the inlet of the oil cooler 2, a breather valve 24 is arranged at the top of the control oil tank 1, an oil discharge valve 25 is arranged at the bottom of the control oil tank 1, and the control oil tank 1 is further provided with a sampling pipe 26 and a liquid level meter 27. The oil supply pressure measuring point is generally control oil which does not enter the combustion engine, and the oil quality is similar to that of the outlet of the oil supply pump 3, so that the oil can directly enter the fine filter 9 for treatment and then can return to the control oil tank 1 without additional filtration.
In addition, in order to ensure the stability and safety of the control oil, safety valves 28 are arranged on the oil supply pipe 4 and the oil return pipe 5, a return pipe 29 is arranged on the oil supply pipe 4, and an energy accumulator 30 for reducing oil pressure fluctuation of a pipeline is arranged on the return pipe 29; the return pipe 29 is provided with a fourth valve 31. The two accumulators 30 are arranged in parallel, and one accumulator 30 or two accumulators 30 can be used according to the condition of terminal oil consumption, so that more accurate oil pressure fluctuation control is realized.
In order to reduce the influence of the ambient temperature on the oil temperature, a heater 32 is arranged in the control oil tank 1.
In this scheme, oil cooler, primary filter, fuel feed pump are 2 to realize operations such as switching, maintenance.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.
Claims (9)
1. The fuel supply and purification system for the control oil of the gas turbine comprises a control oil tank, an oil cooler, an oil supply pump, an oil supply pipe and an oil return pipe, wherein the oil return pipe, the oil cooler, the control oil tank, the oil supply pump and the oil supply pipe are sequentially communicated; the outlet of the circulating pump is connected with the inlet of the primary filter, three interfaces of the second three-way valve are respectively connected to the top of the auxiliary oil tank, the outlet of the primary filter and the inlet of the fine filter, and the outlet of the fine filter is connected to the top of the control oil tank.
2. The system of claim 1, wherein a regenerative filter is disposed between the fine filter and the first three-way valve.
3. The gas turbine control oil supply purification system according to claim 2, wherein the number of the primary filters is 2 and is connected in parallel; two ends of the fine filter and the regeneration filter are connected with a bypass pipe, and a first valve is connected to the bypass pipe.
4. The combustion engine control oil supply purification system of claim 1, wherein a bottom supply pipe and a top supply pipe are connected in parallel between the supply pump and the control oil tank; the bottom oil supply pipe extends to the bottom of the control oil tank, and the top oil supply pipe extends to the middle upper part of the control oil tank; the bottom oil supply pipe is connected with a first filter; and the outlet of the oil supply pump is connected with a second filter.
5. The system of claim 4, wherein a second valve is disposed between the bottom supply line and the supply pump, the first three-way valve is connected to the bottom supply line and connected to the bottom of the control tank, and a third valve is disposed between the first three-way valve and the bottom supply line;
and flow meters positioned at the inlets of the oil supply pumps are arranged on the bottom oil supply pipe and the top oil supply pipe.
6. The system for supplying and purifying control oil for a combustion engine according to claim 1, wherein an auxiliary pipeline is arranged between the second three-way valve and the fine filter, and the auxiliary pipeline is connected with an external oil supply pressure measuring point.
7. A gas turbine controlled oil supply purification system as claimed in claim 1, wherein the inlet of the oil cooler is provided with a third filter, the top of the control oil tank is provided with a breather valve, the bottom of the control oil tank is provided with an oil discharge valve, and the control oil tank is further provided with a sampling tube and a liquid level meter.
8. The system of claim 1, wherein the supply line and the return line are provided with safety valves, the supply line is provided with a return line, and the return line is provided with an accumulator for reducing oil pressure fluctuation of the line; and a fourth valve is arranged on the return pipe.
9. The combustion engine control oil supply purification system according to claim 1, wherein a heater is provided in the control oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221276341.8U CN217440190U (en) | 2022-05-24 | 2022-05-24 | Fuel supply and purification system for control oil of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221276341.8U CN217440190U (en) | 2022-05-24 | 2022-05-24 | Fuel supply and purification system for control oil of gas turbine |
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| Publication Number | Publication Date |
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| CN217440190U true CN217440190U (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221276341.8U Active CN217440190U (en) | 2022-05-24 | 2022-05-24 | Fuel supply and purification system for control oil of gas turbine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115554765A (en) * | 2022-10-21 | 2023-01-03 | 山东科伦药业有限公司 | Aseptic production system of glucose large capacity injection |
| CN115585166A (en) * | 2022-09-30 | 2023-01-10 | 华能上海燃机发电有限责任公司 | Method and device for improving oil filtering efficiency of control oil of unit gas turbine |
-
2022
- 2022-05-24 CN CN202221276341.8U patent/CN217440190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585166A (en) * | 2022-09-30 | 2023-01-10 | 华能上海燃机发电有限责任公司 | Method and device for improving oil filtering efficiency of control oil of unit gas turbine |
| CN115554765A (en) * | 2022-10-21 | 2023-01-03 | 山东科伦药业有限公司 | Aseptic production system of glucose large capacity injection |
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