Device for measuring dust deposition characteristics of wall of component in high-temperature and high-pressure dust-containing gas flow

A high-temperature, high-pressure, high-pressure gas source technology, applied in the direction of cooling devices, climate sustainability, greenhouse gas reduction, etc., can solve the problems of affecting heat exchange efficiency, equipment maintenance and repair inconvenience, etc.

Active Publication Date: 2015-11-18
TSINGHUA UNIV
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  • Application Information

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Problems solved by technology

When the reactor is running under normal conditions, graphite dust particles flow in the primary circuit of the reactor along with the cooling gas helium, and deposit on the surface of the primary circuit and in the flow dead zone, which brings inconvenience to the maintena

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  • Device for measuring dust deposition characteristics of wall of component in high-temperature and high-pressure dust-containing gas flow
  • Device for measuring dust deposition characteristics of wall of component in high-temperature and high-pressure dust-containing gas flow

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Embodiment Construction

[0012] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0013] as attached figure 1 As shown, a device for measuring the dust deposition characteristics on the device wall in the high-temperature, high-pressure dust-laden airflow in the high-temperature reactor, including a high-pressure gas source system 1, a heating system 2, a main pipeline system 3, a test section system 4, a dust injection system 5, and a dust removal system Discharge system 6, constant pressure regulating valve 11 and constant flow regulating valve 25; the high-pressure gas source system 1 and the heating system 2 are sequentially connected in series at one end of the main pipeline system 3, and the dust injection system is located in the main pipeline system 3, the dus...

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Abstract

The invention provides a device for measuring the dust deposition characteristics of the wall of a component in high-temperature and high-pressure dust-containing gas flow. The device comprises a high-pressure gas source system, a heating system, a main pipeline system, a dust injection system, a test section system and a dust removal discharge system, and is of an open system structure as a whole. Gas is heated through the heating system before being injected into a main pipeline through the high-pressure gas source system, a high-temperature and high-pressure environment is formed in the main pipeline, graphite dust is injected into the main pipeline system through the dust injection system, the graphite dust and gas flow in the main pipeline form the dust-containing gas flow of a certain concentration, and the pressure and flow rate of the gas in the main pipeline can be regulated through a constant pressure regulating valve and a constant flow regulating valve. The device can measure the dust deposition condition of the wall of the test component in the high-temperature and high-pressure dust-containing gas flow.

Description

technical field [0001] The invention relates to the field of nuclear reactor engineering, in particular to a device for measuring the dust deposition characteristics on device walls in a high-temperature, high-pressure dust-laden airflow. Background technique [0002] Compared with other nuclear energy systems, the modular high-temperature gas-cooled reactor has the characteristics of good safety and high power generation efficiency, and has attracted widespread attention from all countries. The ultra-high temperature gas-cooled reactor is one of the candidate reactor types for the fourth-generation advanced nuclear energy system and is considered is the most likely advanced reactor type to be implemented in the near future. In a high-temperature gas-cooled reactor, except for a small amount of fuel and control materials, the core is basically made of graphite materials, and the unique fuel ball circulation mode of the pebble bed reactor makes the fuel ball itself and other ...

Claims

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Application Information

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IPC IPC(8): G21C17/10G21C17/112G21C15/00
CPCY02E30/30
Inventor 彭威杨小勇孙小凯赵钢张天琦
Owner TSINGHUA UNIV
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