CN220059732U - Turbine rotor cooling device of combustion engine - Google Patents
Turbine rotor cooling device of combustion engine Download PDFInfo
- Publication number
- CN220059732U CN220059732U CN202320935243.9U CN202320935243U CN220059732U CN 220059732 U CN220059732 U CN 220059732U CN 202320935243 U CN202320935243 U CN 202320935243U CN 220059732 U CN220059732 U CN 220059732U
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- China
- Prior art keywords
- pipeline
- air inlet
- turbine rotor
- gas turbine
- rotor cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 26
- 238000002485 combustion reaction Methods 0.000 title description 3
- 238000004891 communication Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000005457 ice water Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a turbine rotor cooling device of a gas turbine, which comprises a gas inlet unit, wherein the gas inlet unit comprises a gas inlet grille, one end of the gas inlet grille is communicated with the outside air, a heat exchanger is arranged in an inner cavity of the gas inlet grille, a gas outlet end of the gas inlet grille is connected with a pipeline, and the gas inlet grille is connected with a gas compressor through the pipeline.
Description
Technical Field
The utility model relates to the technical field of gas turbines, in particular to a gas turbine rotor cooling device.
Background
The gas turbine is an internal combustion type power machine which takes continuously flowing gas as working medium and drives an impeller to rotate at high speed to convert the energy of fuel into useful work, and is a rotary impeller type heat engine, wherein a gas turbine cooling air system (Turbine Cooling Air, TCA) is used for cooling a gas turbine rotor and a moving blade, the gas turbine rotor and the moving blade cooling air come from compressor exhaust, and the compressor exhaust is used for cooling a front three-stage turbine moving blade, a rotor wheel disc and a fourth-stage rotor wheel disc after being cooled and filtered by a TCA cooler.
At present, most of cooling air systems of a gas turbine are characterized in that cooling air pumped from an outlet of a gas compressor is further cooled through the turbine cooling air cooling system and then is sent to the turbine for cooling air, but water vapor in the air is in an ice-water mixture state, so that rotatable guide vanes of the gas compressor are frozen, further, the gas turbine trips, even surge is caused, the accident rate of the device is improved, and the service life is shortened.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: how to realize the reduction of the accident rate of the gas turbine device and prolong the service life of the gas turbine device.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a gas turbine rotor cooling device, includes the air inlet unit, the air inlet unit includes the air inlet grille, the one end and the outside air intercommunication of air inlet grille, the heat exchanger is installed to the inner chamber of air inlet grille, the air inlet grille end of giving vent to anger is connected with the pipeline, the air inlet grille has the compressor through the pipeline connection.
According to the utility model, the heat exchanger arranged in the inner cavity of the air inlet grille is used for heating the air entering the air inlet grille, so that the temperature of the inlet air is increased, the heated air enters the inner cavity of the air compressor through the pipeline, the accident rate of the gas turbine device is reduced, and the service life of the gas turbine device is prolonged.
Preferably: the upper end of the heat exchanger is communicated with the air outlet of the air compressor through a pipeline, the lower end of the heat exchanger is connected with a turbine device through a pipeline, and one end, far away from the heat exchanger, of the turbine device is communicated with a combustor.
The advantages are that: the turbine device is cooled by utilizing the air cooled further after heat exchange, so that the operation load of the device is effectively reduced, and the service life of the device is prolonged.
Preferably: the inner cavity of the air inlet grille is fixedly provided with a plurality of first filter screens at the position of the rear end of the heat exchanger, and the first filter screens are all equidistantly and parallelly arranged.
The advantages are that: the dregs in the air are filtered to prevent the dregs from entering the inner cavity of the compressor.
Preferably: the outside of pipeline fixed mounting has a plurality of manual valve, and a plurality of manual valve is normally open state.
Preferably: and an electric valve is fixedly arranged on the outer side of the pipeline, and the electric valve is positioned between two manual valves.
Preferably: a second filter screen is fixedly arranged between the turbine device and the air inlet of the combustor, and the second filter screen is fixedly connected to the outer side of the pipeline.
The advantages are that: the slag is prevented from entering the inner cavity of the burner, and the practicability of the utility model is improved.
Preferably: one end of the pipeline is communicated with an overhaul unit, and the overhaul unit is positioned between the electric valve and one of the manual valves.
Preferably: the maintenance unit comprises a maintenance branch pipe, one end of the maintenance branch pipe, which is far away from the electric valve, is communicated with the pipeline, and the air outlet end of the maintenance branch pipe is positioned below the second filter screen.
The advantages are that: the utility model can also work during maintenance, thereby improving the working efficiency of the utility model.
Preferably: and the outer side of the overhaul branch pipe is fixedly provided with a communication valve, and the communication valve is in a normally closed state.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the heat exchanger arranged in the inner cavity of the air inlet grille is used for heating air entering the air inlet grille, so that the temperature of inlet air is increased, and the air is filtered through the plurality of first filter screens, so that the heated air enters the inner cavity of the air compressor through the pipeline, water vapor in an ice-water mixture state is prevented from entering the inner cavity of the air compressor, the accident rate of the gas turbine device is reduced, and the service life of the gas turbine device is prolonged;
through making the upper end of heat exchanger be linked together through the gas outlet of pipeline with the compressor, there is turbine unit with the lower extreme of heat exchanger again through the pipe connection, and the one end intercommunication that the heat exchanger was kept away from to turbine unit simultaneously has the combustor, and the effectual further refrigerated air after utilizing heat transfer cools off turbine unit, the effectual operation load that reduces the device has prolonged the life of device.
Drawings
FIG. 1 is a schematic view of the overall structure of a turbine rotor cooling device for a gas turbine in accordance with an embodiment of the present utility model.
In the figure: 1-an air intake unit; 11-an air inlet grille; 12-a heat exchanger; 13-a first screen; 2-piping; 3-compressor; 4-a manual valve; 5-an electric valve; 6-turbine device; 7-a second filter screen; 8-overhauling units; 81-overhauling a branch pipe; 82-a communication valve; 9-burner.
Detailed Description
In order to facilitate the understanding of the technical scheme of the present utility model by those skilled in the art, the technical scheme of the present utility model will be further described with reference to the accompanying drawings.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1, the embodiment discloses a turbine rotor cooling device of a gas turbine, which comprises an air inlet unit 1, a pipeline 2, a gas compressor 3, a manual valve 4, an electric valve 5, a turbine device 6, a second filter screen 7 and an overhaul unit 8.
Referring to fig. 1, the air inlet unit 1 includes an air inlet grille 11, a heat exchanger 12 and a first filter screen 13, the air inlet grille 11 is of a rectangular structure, one end of the air inlet grille 11 is communicated with outside air, the heat exchanger 12 is fixedly installed in an inner cavity of the air inlet grille 11, when the outside air enters the inner cavity of the air inlet grille 11, the outside air is heated by heat outside the heat exchanger 12, so that damage to a device caused by too low temperature of inlet air is effectively improved, and accident rate is greatly reduced.
The first filter screen 13 is equipped with a plurality of, and a plurality of first filter screens 13 equidistant parallel arrangement are at the inner chamber of air inlet grille 11 and are located the rear end of heat exchanger 12, and after heat exchanger 12 was with air heating, a plurality of first filter screens 13 carry out screening layer upon layer to the air, prevent that the inside effectual life who improves the device of granule entering device.
The gas outlet end of the gas inlet grille 11 is connected with a gas compressor 3 through a pipeline 2, the gas outlet end of the gas compressor 3 is communicated with the inner cavity of a heat exchanger 12 through the pipeline 2, a plurality of manual valves 4 are arranged on the outer side of the pipeline 2 between the heat exchanger 12 and the gas compressor 3, and an electric valve 5 is fixedly arranged on the outer side of the pipeline 2 and located between two manual valves 4.
The turbine device 6 is communicated with the air outlet end of the heat exchanger 12 through a pipeline 2, and a manual valve 4 is fixedly connected to the outer side of the pipeline 2 between the turbine device 6 and the heat exchanger 12.
In this embodiment, the manual valves 4 and the electric valves 5 are all normally open.
One end of the second filter screen 7 is connected with one end of the turbine device 6 far away from the heat exchanger 12 through the pipeline 2, and the other end is connected with the combustor 9, so that gas is further filtered, and the accident rate of the device is effectively reduced.
The overhaul unit 8 is positioned at the outer side of the pipeline 2 between the heat exchanger 12 and the air compressor 3, the overhaul unit 8 comprises an overhaul branch pipe 81 and a communication valve 82, the overhaul branch pipe 81 is positioned at the rear end of the electric valve 5, one end of the overhaul branch pipe 81, which is far away from the electric valve 5, is communicated with the pipeline 2, and the air outlet end of the overhaul branch pipe 81 is positioned below the second filter screen 7;
the communication valve 82 is fixedly installed at the outer side of the service branch pipe 81, and the communication valve 82 is in a normally closed state.
In this embodiment, when the air inlet unit 1 is overhauled, the electric valve 5 is closed and the communication valve 82 is opened, so that the air pumped out from the air outlet end of the air compressor 3 enters the inner cavity of the burner 9 along the overhauling branch pipe 81 through the second filter screen 7, and the air inlet unit can work during overhauling, thereby effectively improving the working efficiency of the utility model.
The working principle of the embodiment is as follows: the utility model has simple structure, utilizes the heating of the air entering the gas compressor 3 through the pipeline 2, effectively avoids the problem of blockage of the gas filter screen, solves the problem of rapid increase of the pressure difference of the filter screen caused by bad weather, avoids the water vapor entering the inner cavity of the gas compressor 3 in the state of ice-water mixture, reduces the accident rate of the gas compressor device and prolongs the service life of the gas compressor device.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The above-described embodiments merely represent embodiments of the utility model, the scope of the utility model is not limited to the above-described embodiments, and it is obvious to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (9)
1. A gas turbine rotor cooling device, characterized in that: including air inlet unit (1), air inlet unit (1) is including air inlet grille (11), the one end and the outside air intercommunication of air inlet grille (11), heat exchanger (12) are installed to the inner chamber of air inlet grille (11), air inlet grille (11) end of giving vent to anger is connected with pipeline (2), air inlet grille (11) are connected with compressor (3) through pipeline (2).
2. A gas turbine rotor cooling apparatus as claimed in claim 1, wherein: the upper end of the heat exchanger (12) is communicated with the air outlet of the air compressor (3) through a pipeline (2), the lower end of the heat exchanger (12) is connected with a turbine device (6) through the pipeline (2), and one end, far away from the heat exchanger (12), of the turbine device (6) is communicated with a combustor (9).
3. A gas turbine rotor cooling apparatus as claimed in claim 1, wherein: the inner cavity of the air inlet grille (11) is fixedly provided with a plurality of first filter screens (13) at the position of the rear end of the heat exchanger (12), and the first filter screens (13) are arranged in parallel at equal intervals.
4. A gas turbine rotor cooling apparatus as claimed in claim 1, wherein: the outside of pipeline (2) is fixed mounting has a plurality of manual valve (4), and a plurality of manual valve (4) are all normally open state.
5. A gas turbine rotor cooling apparatus according to claim 4, wherein: the outside of pipeline (2) is still fixed mounting has motorised valve (5), motorised valve (5) are located between two manual valves (4) among them.
6. A gas turbine rotor cooling apparatus as claimed in claim 2, wherein: a second filter screen (7) is fixedly arranged between the turbine device (6) and the air inlet of the combustor (9), and the second filter screen (7) is fixedly connected to the outer side of the pipeline (2).
7. A gas turbine rotor cooling apparatus according to claim 4, wherein: one end of the pipeline (2) is communicated with an overhaul unit (8), and the overhaul unit (8) is positioned between the electric valve (5) and one of the manual valves (4).
8. A gas turbine rotor cooling apparatus as set forth in claim 7 wherein: the maintenance unit (8) comprises a maintenance branch pipe (81), one end of the maintenance branch pipe (81), which is far away from the electric valve (5), is communicated with the pipeline (2), and the air outlet end of the maintenance branch pipe (81) is positioned below the second filter screen (7).
9. A gas turbine rotor cooling apparatus as set forth in claim 8 wherein: and a communication valve (82) is fixedly arranged on the outer side of the overhaul branch pipe (81), and the communication valve (82) is in a normally closed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320935243.9U CN220059732U (en) | 2023-04-21 | 2023-04-21 | Turbine rotor cooling device of combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320935243.9U CN220059732U (en) | 2023-04-21 | 2023-04-21 | Turbine rotor cooling device of combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220059732U true CN220059732U (en) | 2023-11-21 |
Family
ID=88753193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320935243.9U Active CN220059732U (en) | 2023-04-21 | 2023-04-21 | Turbine rotor cooling device of combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220059732U (en) |
-
2023
- 2023-04-21 CN CN202320935243.9U patent/CN220059732U/en active Active
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