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Gas pipeline integrated with cooling channel

A technology of cooling channels and gas pipelines, applied in jet propulsion devices, rocket engine devices, machines/engines, etc., can solve the problems of difficult quality control, long processing cycle, low integration, etc., and achieve product processing and turnover. The effect of shortening the cycle, reducing the development cost and simplifying the process

Active Publication Date: 2021-01-22
XIAN AEROSPACE PROPULSION INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems of the existing gas pipeline with cooling structure, such as long processing period, complex process, high cost, difficulty in quality consistency control and low integration, the present invention proposes a gas pipeline with integrated cooling channel

Method used

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  • Gas pipeline integrated with cooling channel

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Embodiment Construction

[0041] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0042] Such as Figure 1-2 As shown, the gas pipeline of the integrated cooling channel provided by the present invention includes a gas channel 7, a first flange 1 and a second flange 5 respectively arranged at both ends of the gas channel 7, and a gas channel arranged on the side wall of the gas channel 7 The cooling medium inlet pipe joint 4 and the cooling medium outlet pipe joint 8, wherein the cooling medium inlet pipe joint 4 is closer to the second flange 5, and the cooling medium outlet pipe joint 8 is closer to the first flange 1.

[0043] Both the cooling medium inlet pipe joint 4 and the cooling medium outlet pipe joint 8 adopt a gradually expanding form, and the overall shape is like a spout; the cooling water inlet end section of the cooling working medium inlet pipe joint 4 is circular, and the cooling water outlet end section is circular. It is ellipti...

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Abstract

In order to solve the technical problems that an existing gas pipeline with a cooling structure is long in machining period, complex in procedure, high in cost, difficult in quality consistency control and low in integration level, the invention provides a gas pipeline integrated with a cooling channel. The cooling channel is integrated in the side wall of a gas channel, so that the process is simplified, and the integration level of the product is improved. The structure design oriented to a 3D printing process is adopted, a cooling working medium inlet pipe connector, a cooling working medium inlet liquid collecting cavity, a cooling channel and the like and the gas pipeline are integrally designed without supports, the structure can meet the requirement for integral one-time forming ofthe 3D printing technology, and multiple machine frame, brazing, butt welding and other working procedures in traditional process links are not needed. Product machining and turnover periods are greatly shortened, product consistency, connection strength and rigidity are good, quality control is more effective, and development cost is greatly reduced.

Description

technical field [0001] The invention relates to a gas pipeline with an integrated cooling channel, which can be used as a connection structure between a gas generator of a liquid rocket engine and a rear-end assembly. Background technique [0002] As a thermomechanical power device, a large number of gas pipelines that withstand high temperature and high pressure are distributed in the liquid rocket engine and its supporting test system. Considering working in a high temperature and high pressure environment for a long time, in order to improve work reliability and To control thermal deformation, the gas pipeline is generally equipped with a cooling structure. When the traditional cooling structure is processed, the cooling tank is often separated from the outer wall, and connected by brazing and other processes, and then the liquid collection chamber, inlet and outlet pipes, flanges and other parts are connected by welding. The overall process is complicated and the circula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02K9/60F02K9/96
CPCF02K9/60F02K9/96
Inventor 赵剑李娟陈园飞秦红强高新宇杨永红马键
Owner XIAN AEROSPACE PROPULSION INST
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