CN216922298U - Device for adjusting air inlet temperature of gas turbine compressor - Google Patents
Device for adjusting air inlet temperature of gas turbine compressor Download PDFInfo
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- CN216922298U CN216922298U CN202220449835.5U CN202220449835U CN216922298U CN 216922298 U CN216922298 U CN 216922298U CN 202220449835 U CN202220449835 U CN 202220449835U CN 216922298 U CN216922298 U CN 216922298U
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- inlet
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- main pipe
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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
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Abstract
The utility model relates to the technical field of combined cycle gas turbine units, in particular to a device for adjusting the inlet air temperature of a gas turbine compressor, wherein the gas inlet of the gas turbine compressor is connected with a heat exchange device through an inlet air pipeline; the air inlet is provided with a fan; a medium inlet of the heat exchange device is connected with an industrial water incoming main pipe; a medium outlet of the heat exchange device is connected with a cold source medium return pipe; a medium inlet of the heat exchange device is connected with the heat supply network drainage main pipe, and a medium outlet of the heat exchange device is connected with a heat source medium return pipe; the industrial water supply main pipe, the heat supply network drainage main pipe, the cold source medium water return pipe and the heat source medium water return pipe are respectively provided with a manual valve and an electric valve; the utility model can improve the stability of the inlet temperature of the compressor and improve the running performance of the gas turbine.
Description
Technical Field
The utility model relates to the technical field of combined cycle gas turbine units, in particular to a device for adjusting the inlet air temperature of a gas compressor of a gas turbine.
Background
After the combined cycle gas turbine unit is put into production, the gas combustion condition is mainly limited by the inlet temperature of a gas compressor, when the ambient temperature is higher, the inlet temperature of the gas compressor of the gas turbine is higher, so that the temperature of a combustion chamber of the gas turbine is increased, the stable operation of a hot component of the gas turbine can be influenced, for a peak regulation unit which is frequently started and stopped, the combustion stability of the combustion chamber of the gas turbine is influenced, the output of the gas turbine is influenced, and the higher the ambient temperature is, the smaller the output of the unit is; when the environmental temperature is low, the humidity of the inlet of the gas compressor of the gas turbine is increased, the filter screen at the inlet of the gas compressor of the gas turbine is easily blocked due to the influence of the environmental humidity, the air inlet quantity of the gas compressor is influenced, and the stability of the flame combustion condition of the combustion chamber of the gas turbine is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides a device for adjusting the air inlet temperature of the gas compressor of a gas turbine, so as to improve the stability of the inlet temperature of the gas compressor and improve the running performance of the gas turbine.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
A device for adjusting the air inlet temperature of a gas turbine compressor is characterized in that an air inlet of the gas compressor is connected with a heat exchange device through an air inlet pipeline; the air inlet is provided with a fan; a medium inlet of the heat exchange device is connected with an industrial water incoming main pipe; a medium outlet of the heat exchange device is connected with a cold source medium return pipe; a medium inlet of the heat exchange device is connected with the heat supply network drainage main pipe, and a medium outlet of the heat exchange device is connected with a heat source medium return pipe; the industrial water supply main pipe, the heat supply network drainage main pipe, the cold source medium water return pipe and the heat source medium water return pipe are all provided with manual valves and electric valves.
Furthermore, the industrial water supply main pipe is connected with the cold source medium inlet through the branch pipe of the industrial water supply main pipe; the heat supply network drainage main pipe is connected with the heat source medium inlet through the heat supply network drainage main pipe branch pipe.
Furthermore, the industrial water supply main pipe branch pipe and the heat supply network drainage main pipe branch pipe are connected in parallel and then are connected to a medium inlet of the heat exchange device through a medium inlet main pipe; and the cold source medium water return pipe and the heat source medium water return pipe are connected in parallel and then are connected to a medium outlet of the heat exchange device through a medium outlet header pipe.
Furthermore, the medium inlet manifold and the medium outlet manifold are respectively connected with an emptying pipeline, and an emptying valve is arranged on the emptying pipeline.
Further, the fan is a variable frequency fan.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model can be directly modified on the basis of the structure of the existing gas compressor, the heat exchange device is additionally arranged before the gas compressor enters the gas compressor, the gas inlet air of the gas compressor is cooled by heat exchange when the environmental temperature is higher, and the gas inlet air of the gas compressor is heated when the environmental temperature is lower, so that the gas inlet air temperature of the gas compressor of the gas turbine is always in an adjustable range, and the running performance of the gas turbine is improved.
The utility model utilizes the plant area industrial water supply main pipe and the heat supply network drainage main pipe which are matched with the combined cycle unit compressor for use as cold and heat sources of the heat exchange device, realizes the adjustment of the air inlet temperature of the combined cycle unit compressor without additionally arranging other equipment, and can effectively improve the stable condition of the combustion chamber of the combined cycle gas unit. The running stability and the economical efficiency of the combined cycle gas unit are improved.
Drawings
Fig. 1 is a schematic structural diagram of a device for regulating the inlet air temperature of a compressor of a combustion engine.
In the figure, 1 is an air inlet pipeline; 2 is a cold source medium return pipe; 3 is a heat source medium return pipe; 4 is a manual valve; 5 is an electric valve, 6 is a main pipe branch pipe for water supply of industrial water, 7 is a main pipe branch pipe for drainage of a heat supply network, 8 is a medium inlet main pipe, 9 is a medium outlet main pipe, 10 is an emptying pipeline, 11 is an emptying valve, 12 is a variable frequency fan, and 13 is a heat exchanger.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the present embodiment is a device for adjusting the inlet air temperature of a compressor of a combustion engine, wherein an air inlet of the compressor is connected with a heat exchanger 13 through an air inlet pipeline 1; the air inlet is provided with a variable frequency fan 12. The industrial water incoming main pipe is connected with an industrial water incoming main pipe branch pipe 6, and the heat supply network drainage main pipe is connected with a heat supply network drainage main pipe branch pipe 7; the industrial water supply main pipe branch pipe 6 and the heat supply network drainage main pipe branch pipe 7 are connected in parallel and then are connected to a medium inlet of a heat exchanger 13 through a medium inlet main pipe 8; the cold source medium water return pipe 2 and the heat source medium water return pipe 3 are connected in parallel and then are connected to a medium outlet of the heat exchanger 13 through a medium outlet header pipe 9. The branch pipe 6 of the industrial water supply main pipe, the branch pipe 7 of the heat supply network drainage main pipe, the cold source medium return pipe 2 and the heat source medium return pipe 3 are all provided with a manual valve 4 and an electric valve 5.
The medium inlet manifold 8 and the medium outlet manifold 9 are respectively connected with an emptying pipeline 10, and the emptying pipeline 10 is provided with an emptying valve 11.
The temperature of the incoming industrial water is about 5 ℃, the water quantity and the temperature can meet the cooling requirement, and the water needs to be heated in the purification process after the incoming industrial water comes; the hydrophobic temperature of the heat supply network is 60-65 ℃, and the water quantity and the temperature can meet the heating requirement.
1. When the ambient temperature is higher, the frequency conversion fan of the heat exchanger is started, the incoming water for the cooled public water is supplied and returned, the cooling water quantity is adjusted by adjusting the industrial water outlet electric door, meanwhile, the frequency of the frequency conversion fan can be adjusted to adjust the cooling air quantity, and finally, the air inlet temperature of the compressor of the combined cycle gas turbine unit is adjusted within the range of meeting the stable combustion of the combustion chamber.
2. When the environmental temperature is low, the heat exchange variable frequency fan is started, the heat supply network drainage water supply and water return for heating are input, the cooling water quantity is adjusted by adjusting the electric door at the drainage outlet of the heat supply network, meanwhile, the frequency of the variable frequency fan can be adjusted to adjust the cooling air quantity, and finally, the air inlet temperature of the compressor of the combined cycle gas turbine set is adjusted within a range that the differential pressure change of the filter screen of the compressor cannot be caused.
3. After the system is shut down, the manual and electric doors for supplying and returning cooling and heating media are closed, and the emptying and water discharging doors are opened to completely discharge water in the heat exchanger and then are closed.
While the utility model has been described in further detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The device for adjusting the inlet air temperature of the gas compressor of the gas turbine is characterized in that an air inlet of the gas compressor is connected with a heat exchange device through an air inlet pipeline (1); the air inlet is provided with a fan; a medium inlet of the heat exchange device is connected with an industrial water incoming main pipe; a medium outlet of the heat exchange device is connected with a cold source medium return pipe (2); a medium inlet of the heat exchange device is connected with a heat supply network drainage main pipe, and a medium outlet of the heat exchange device is connected with a heat source medium water return pipe (3); the industrial water supply main pipe, the heat supply network drainage main pipe, the cold source medium water return pipe (2) and the heat source medium water return pipe (3) are respectively provided with a manual valve (4) and an electric valve (5).
2. The device for regulating the inlet air temperature of the compressor of a combustion engine according to claim 1, characterized in that the industrial water supply header pipe is connected with the medium inlet through an industrial water supply header pipe branch pipe (6); the heat supply network drainage main pipe is connected with the medium inlet through a heat supply network drainage main pipe branch pipe (7).
3. The device for regulating the inlet air temperature of the compressor of the combustion engine according to claim 2, wherein the industrial water inlet main pipe branch pipe (6) is connected with the heat supply network drain main pipe branch pipe (7) in parallel and then is connected to the medium inlet of the heat exchange device through the medium inlet main pipe (8); the cold source medium water return pipe (2) and the heat source medium water return pipe (3) are connected in parallel and then are connected to a medium outlet of the heat exchange device through a medium outlet header pipe (9).
4. The device for regulating the inlet air temperature of the compressor of the combustion engine according to claim 3, wherein the medium inlet manifold (8) and the medium outlet manifold (9) are respectively connected with an emptying pipeline (10), and an emptying valve (11) is arranged on the emptying pipeline (10).
5. The device for regulating the inlet air temperature of a compressor of a combustion engine according to claim 1, characterized in that the fan is a variable frequency fan (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220449835.5U CN216922298U (en) | 2022-03-03 | 2022-03-03 | Device for adjusting air inlet temperature of gas turbine compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220449835.5U CN216922298U (en) | 2022-03-03 | 2022-03-03 | Device for adjusting air inlet temperature of gas turbine compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216922298U true CN216922298U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220449835.5U Active CN216922298U (en) | 2022-03-03 | 2022-03-03 | Device for adjusting air inlet temperature of gas turbine compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216922298U (en) |
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2022
- 2022-03-03 CN CN202220449835.5U patent/CN216922298U/en active Active
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