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A high-temperature and high-pressure test device and method for heat storage hollow brick and furnace lining

A high temperature and high pressure, test device technology, applied in the field of high temperature and high pressure assessment test device, can solve problems such as difficult to predict and control, material failure and damage, complex temperature gradient changes, etc., to achieve accurate assessment results and avoid cold air impact effects.

Active Publication Date: 2021-10-08
XIAN AEROSPACE PROPULSION INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In view of the characteristics of regenerative heaters, thermal stress will be an important consideration throughout the heater design, construction and test operation process, especially for larger-sized regenerative arrays, because the temperature gradient changes are complex and difficult to predict and control. It is easy to cause excessive local stress and cause material failure and damage

Method used

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  • A high-temperature and high-pressure test device and method for heat storage hollow brick and furnace lining
  • A high-temperature and high-pressure test device and method for heat storage hollow brick and furnace lining
  • A high-temperature and high-pressure test device and method for heat storage hollow brick and furnace lining

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Embodiment

[0062] Such as figure 1 and figure 2 As shown, the present invention provides a high-temperature and high-pressure assessment test device for heat storage hollow bricks and furnace linings, including a high-temperature and high-pressure stop valve 1, a test material installation pipe 2, a normal temperature air supply pipe 3, a preheating burner 4, and a temperature measuring element 5 and pressure measuring element 6;

[0063] The high temperature and high pressure stop valve 1 includes a housing 7 and a valve core assembly 8; the inlet end of the housing 7 is connected to the preheating burner 4 through the normal temperature air supply pipe 3 and the test material installation pipe 2 in turn, and the outlet end of the housing 7 is connected to the The external environment is connected to form a gas channel A;

[0064] The valve core assembly 8 is installed on the housing 7, and the valve core in the valve core assembly 8 reciprocates to realize the opening or closing of ...

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Abstract

The invention discloses a high-temperature and high-pressure test device and method for heat storage hollow bricks and furnace linings. Measuring element; realizes the control, monitoring and measurement of the two working stages of the heat storage process and the heat exchange process of the heat storage hollow brick and the furnace lining, and is used for the oxidation resistance, thermal shock performance, thermal shock performance, and The evaluation of service life and heat transfer characteristics provides a practical and effective way to evaluate the test.

Description

technical field [0001] The invention relates to a high-temperature and high-pressure assessment test device and method for heat-storage hollow bricks and furnace linings, belonging to the research field of heat-storage materials and heat-insulation materials, and in particular to the field of high-temperature and high-pressure heat storage heaters. Background technique [0002] Scramjet directly connected test benches mostly adopt pollution heating methods such as combustion heating or arc heating. However, there are many differences in performance between the simulated flow generated by gas generators or arc heating methods using fuel such as methane, hydrogen, alcohol, and kerosene, and the actual pure air flow in scramjet operation. The generated simulated incoming stream contains H 2 O.CO 2 And components such as NOx will produce "pollution effect". [0003] Based on the defects of the existing scramjet direct-connection test bench, it has become a development trend t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/22
CPCG01N25/22
Inventor 王勇李龙飞陈鹏飞洪流陈宏玉刘占一胡锦华
Owner XIAN AEROSPACE PROPULSION INST