Pipeline water-cooling structure
A technology of water-cooling pipes and water inlet pipes, which is applied to the cooling of engines, turbines/propulsion devices, and engine components. It can solve problems such as cavitation, heat exchange fluid flow without directionality, and cracking, so as to improve the cooling effect. Reduce heat transfer dead angle, uniform temperature effect
Inactive Publication Date: 2017-08-08
新奥能源动力科技(上海)有限公司
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Problems solved by technology
[0003] The existing pipeline cooling method is generally a water-cooling structure. The water-cooling structure is a hollow double-layer cylindrical water exchange pipe. The flow of the heat exchange fluid (water is commonly used) has no directionality, and it is easy to produce flow heat exchange dead angles, which affect the heat exchange and cooling effect. , and the temperature of the cooling water jacket and the combustion chamber pipe is not uniform, resulting in cracking and cavitation
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[0031] In order to reduce the heat exchange dead angle in the water cooling heat exchange process, make the temperature of the cooling water jacket and the combustion chamber pipe more uniform, thereby improve the heat exchange cooling effect, and reduce the occurrence of pipe cracking and cavitation, the embodiment of the present invention provides a A water-cooled pipeline structure. In order to make the purpose, technical solution and advantages of the present invention clearer, the following examples are given to further describe the present invention in detail.
[0032] refer to figure 1 , figure 2 and image 3 , the water-cooled pipeline structure provided by the embodiment of the present invention includes a double-layer pipeline formed by an outer cylinder 1 and an inner cylinder 2, and a water inlet pipe 3, an outlet pipe 4 and two pipeline connectors 5 arranged at both ends of the double-layer pipeline, wherein, The gap between the outer cylinder 1 and the inner ...
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The invention relates to the technical field of pipeline cooling, discloses a pipeline water-cooling structure, and aims to achieve the purposes that heat exchange dead angles in the water-cooling heat exchange process are reduced, and the temperatures of both a cooling water jacket and a combustion chamber pipeline are more uniform, so that the heat exchange cooling effect is improved, and the phenomena of pipeline cracking and pipeline gas etching are reduced. The pipeline water-cooling structure comprises a double-layered pipeline consisting of an outer tube and an inner tube, as well as a water inlet pipe, a water outlet pipe and two pipeline connecting pieces, which are arranged at two ends of the double-layered pipeline, wherein a gap between the outer tube and the inner tube forms a heat exchange channel together with the water inlet pipe and the water outlet pipe, and a flow guiding member is arranged in the heat exchange channel.
Description
technical field [0001] The invention relates to the technical field of pipeline cooling, in particular to a water-cooling pipeline structure. Background technique [0002] The gas turbine is an internal combustion power machine that uses continuous flowing gas as the working medium to drive the impeller to rotate at high speed, and converts the energy of the fuel into useful work. It is a typical high-tech intensive product. The three major components of a gas turbine are the combustor, compressor and turbine, and the performance of the combustor will directly affect the overall performance of the gas turbine. The gas temperature at the outlet of the combustor is usually above 1000K. At present, the average temperature of the gas at the outlet of the combustion chamber of an aero-engine with a ratio of 10 is about 1850K, and that of an engine with a higher ratio is as high as 2000K. However, the commonly used stainless steel pipes often withstand a temperature of no more th...
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IPC IPC(8): F02C7/12F02C7/16
CPCF02C7/12F02C7/16
Inventor 李雷鲍其雷张琪白生玮郭荣荣沈岑李乃宇
Owner 新奥能源动力科技(上海)有限公司