Dust filter

A filter and dust technology, applied in the field of reactor engineering, can solve the problems of difficult maintenance and decommissioning, pollution of primary circuit pipelines, blocked pipelines, etc., and achieve the effects of eliminating thermal expansion and contraction, reducing pressure drop, and fully filtering

Active Publication Date: 2014-08-27
CHINERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These radioactive graphite dusts can deposit scaling and block pipelines. At the same time, they have strong fluidity and pollute primary circuit pipelines, causing great difficulties in maintenance and decommissioning.

Method used

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Embodiment Construction

[0029] The specific embodiments of the invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "first", "second", "third" and "fourth" are used for description purposes only, and should not be understood as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, directly connected, or indirectly connected through an intermediary, and can be internal ...

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Abstract

The invention discloses a dust filter and relates to the technical field of reactor engineering. The filter comprises an inlet connection pipe, an upper head, a filter pipe, a cylinder body, a lower head and an outlet connection pipe; the inlet connection pipe is connected with the upper head; the upper head is connected with the upper end face of the cylinder body, and the lower end face of the cylinder body is connected with the lower head; the lower head is connected with the outlet connection pipe; and the filter pipe is arranged in the cylinder body and used to filter dust carried by helium flowing in through the inlet connection pipe. The provided dust filter is convenient to mount and dismount, and is capable of effectively filtering and purifying radioactive graphite dust in loop helium of a high-temperature gas-cooled reactor according to determined particle size without generating helium leakage.

Description

technical field [0001] The invention relates to the technical field of reactor engineering, in particular to a dust filter. Background technique [0002] The high temperature gas-cooled reactor is one of the internationally recognized reactor types with fourth-generation safety features. High Temperature Gas-cooled Test Reactor HTR-10 (10MW High Temperature Gas-cooled Test Reactor) is the only pebble bed high temperature gas-cooled reactor currently in operation in the world. Loop helium circulation, fuel loading and unloading methods, and the way of passing through the core are all very similar to the HTR-PM (High Temperature Modular Pebble Bed Reactor Project) nuclear power plant project. [0003] One of the factors affecting the safety of the pebble bed high temperature gas-cooled reactor is the radioactive graphite dust in the primary circuit. Both the HTR-10 and HTR-PM demonstration projects use granular spherical fuel elements. Thousands of fuel particles with a diam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/24B01D46/42
Inventor 谢锋曹建主周文勇董玉杰刘凌
Owner CHINERGY CO LTD
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