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Design method of spray cooling system for light gas turbine

A gas turbine and water spray cooling technology, which is applied in the direction of gas turbine devices, mechanical equipment, engine components, etc., can solve the problems of unfeasible methods, large ventilation volume of workshops, and high exhaust velocity, and achieves wide application range and obvious exhaust cooling effect Effect

Active Publication Date: 2019-10-22
AECC SHENYANG ENGINE RES INST
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Problems solved by technology

[0003] The existing cooling method is implicit cooling. However, relying on the implicit function to cool the exhaust gas requires high exhaust velocity and large ventilation volume of the plant. However, the light gas turbine test process does not meet the above conditions, and the method is not feasible.

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  • Design method of spray cooling system for light gas turbine
  • Design method of spray cooling system for light gas turbine

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Embodiment Construction

[0016] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention.

[0017] It should be noted that: in the drawings, the same or similar symbols represent the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of the present invention, but not all of the embodiments. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0018] In this article, "schematic" means "serving as an example, examp...

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Abstract

The invention relates to the technical field of gas turbine cooling and particularly provides a design method of a water-spraying cooling system for a lightweight gas turbine. The design method comprises: determining spray flow, determining spray pressure, nozzle area, nozzle quantity and spray header thru area, determining specific structures of the water-spraying cooling system, such as header thru area AZG and line elbow number, calculating line loss, calculating spray pressure of the gas turbine operating in each state, and determining a test and control system for the water-spraying cooling system. The design method has the advantages that exhaust cooling is significantly effective and the applicable range is wide.

Description

technical field [0001] The invention relates to the technical field of gas turbine cooling, in particular to a design method for a water spray cooling system of a light gas turbine. Background technique [0002] Under domestic light-duty gas turbine test conditions, it is often necessary to exhaust and silence the exhaust of the gas turbine, and the sound-absorbing material puts forward certain requirements on the temperature of the exhaust. Therefore, cooling the exhaust of the gas turbine has become a practical engineering problem. [0003] The existing cooling method is implicit cooling. However, relying on the implicit function to cool the exhaust gas requires high exhaust velocity and large ventilation volume of the plant, and the light gas turbine test process does not meet the above conditions, so the method is not feasible. Contents of the invention [0004] In order to overcome at least one defect in the above-mentioned prior art, the present invention provides a ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02C7/16F02C7/141
Inventor 高修磊张小刚李胜男李井洋武卉
Owner AECC SHENYANG ENGINE RES INST
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