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Gas turbine component air flow test bench and test method

A technology of air flow and gas turbine, which is applied in the direction of gas turbine engine testing, mechanical component testing, machine/structural component testing, etc. It can solve the problems of large space occupation, time-consuming operation, and low measurement accuracy, so as to improve flow measurement Accuracy, simple composition and structure, good safety and stability

Active Publication Date: 2021-06-11
浙江燃创透平机械有限公司 +2
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology or system structure is relatively complex; or the measurement accuracy and range are limited; or the structure lacks the stable inlet pressure and flow field of the test piece; or does not have the functions of automatic measurement and automatic recording
At present, the air flow test device for measuring the turbine blades of gas turbines uses a fixture, and the connecting pipeline needs to be fixed in a specific test room, which is inconvenient to carry, takes up a lot of space, and the measurement range cannot be adjusted, and the measurement accuracy is not high. Time-consuming operation

Method used

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  • Gas turbine component air flow test bench and test method
  • Gas turbine component air flow test bench and test method
  • Gas turbine component air flow test bench and test method

Examples

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Effect test

Embodiment

[0065] Such as Figure 1 to Figure 8 The shown air flow test bench for gas turbine components includes air source processing equipment 9000 and a test bench body 1000 .

[0066] The air source treatment equipment 9000 is composed of an air compressor 101, an air storage tank 201, a primary filter 301, a freeze dryer 401, a medium filter 302, an adsorption dryer 402, and a high efficiency filter 303 in series. Wherein, the refrigerated dryer 401 and the adsorption dryer 402 discharge water into the water-repellent device 403 . The filtration accuracy of the primary filter 301 , the intermediate filter 302 , and the high efficiency filter 303 increases step by step, and the filtration accuracy of the outlet of the high efficiency filter 303 is 0.01 μm. The freeze dryer 401 controls the dew point temperature of the processed air at 2°C to 10°C, and the adsorption dryer 402 controls the dew point temperature of the processed air at -20°C to 0°C. After being compressed by the air...

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Abstract

The invention discloses a gas turbine component air flow test bench and a test method, and relates to the field of flow test devices. The gas turbine component air flow test bench comprises an air source processing device and a test bench body. The air source processing equipment comprises an air compressor, an air storage tank, a primary filter, a refrigerated dryer, a medium-efficiency filter, an adsorption dryer and a high-efficiency filter; and the test bench body comprises a test air supply pipe, a test air main switch valve, a pneumatic pressure regulating valve, an air distributing bag, a plurality of flow meters, switch valves corresponding to the flow meters, an air collecting bag, a surge tank, a pneumatic pressure regulating valve controller, a test piece pressure measuring sensor, an atmospheric pressure sensor, an atmospheric temperature sensor, an air source pressure sensor, a data acquisition controller, upper computer measurement and control software and a pneumatic control system. The test bench is simple and compact in structure and convenient to move, and the test method is simple to operate and easy to master.

Description

technical field [0001] The invention relates to the technical field of the structure and application of a flow test device, in particular to an air flow test bench and a test method for gas turbine components. Background technique [0002] According to the development requirements of gas turbine blade equipment, it is necessary to conduct an air flow test on the turbine blade, that is, to measure the air mass flow through the turbine blade under the test pressure, and to test the air flow of the blade by measuring the air flow through the gas film hole and flow channel of the turbine blade. Membrane hole conditions and internal flow channel processing conditions provide reference for selecting installed blades. This requires the use of air flow test equipment. The existing technology or system structure is relatively complex; or the measurement accuracy and range are limited; or the structure lacks the stable inlet pressure and flow field of the test piece; or does not have...

Claims

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Application Information

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IPC IPC(8): G01M13/00G01M15/14G01M15/02G01M3/28
CPCG01M13/00G01M15/14G01M15/02G01M3/2807G01M3/2815
Inventor 庄达明吴宏超谢健蓝吉兵吕荣阳俞胤杰李冬青郑健生许运宾隋永枫初鹏张宇明
Owner 浙江燃创透平机械有限公司
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