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Metal reflective insulation panels for radiation shielding in nuclear power plants

A metal reflection type and radiation shielding technology, applied in the field of nuclear power, can solve the problems of poor heat preservation effect and inability to realize personnel protection in personnel contact areas, etc., and achieve the effects of inhibiting natural convection heat transfer, good heat preservation effect, and good shock resistance

Active Publication Date: 2017-01-04
中广核工程有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the existing metal reflective insulation board has no radiation shielding function, cannot realize personnel protection for personnel contact areas, and has poor insulation effect

Method used

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  • Metal reflective insulation panels for radiation shielding in nuclear power plants
  • Metal reflective insulation panels for radiation shielding in nuclear power plants
  • Metal reflective insulation panels for radiation shielding in nuclear power plants

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Embodiment Construction

[0025] In order to make the objectives, technical solutions and beneficial technical effects of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific implementations described in this specification are only for explaining the present invention, not for limiting the present invention.

[0026] see Figure 1 to Figure 3 As shown, the metal reflective insulation board for nuclear power plants of the present invention that can realize radiation shielding includes a casing 10, a support frame 20 placed in the casing 10, a reflective foil 30 assembled on the support frame 20, and a reflective foil 30 placed on the reflective foil 30. The shielding plate 40 and the cover plate 50 placed on the shielding plate 40 and housing the reflective foil 30 and the shielding plate 40 in the casing 10 .

[0027] The casing 10 adopts an all-en...

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PUM

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Abstract

The invention discloses a metal reflection type insulating plate for radiation shielding in a nuclear power station. The insulating plate comprises a shell, a support rack in the shell, reflection foils assembled on the support rack, a shielding plate arranged on the reflection foils and a cover plate which is arranged on the shielding plate and used for accommodating the reflection foils and the shielding plate into the shell. The metal reflection type insulating plate disclosed by the invention adopts a shielding plate structure, so that people can be protected in the operation period; as the reflection foil adopts a multi-layer structure, trapezoidal reflection foils and corrugated reflection foils are alternatively overlapped, and an air layer between adjacent reflection foils is partitioned into small spaces, then natural convection and heat conduction of air among the reflection foils are effectively prevented, and a good insulation effect and an anti-seismic property of a metal insulating layer plate are ensured.

Description

technical field [0001] The invention belongs to the technical field of nuclear power. More specifically, the invention relates to a metal reflective heat preservation board capable of radiation shielding in a nuclear power plant, which can be used for the heat preservation of nuclear power plant reactor pressure vessels, main pipes, steam generators and other equipment to ensure its Reduce heat loss under normal operating conditions. Background technique [0002] The metal reflective insulation board has the advantages of no obvious aging phenomenon, excellent high temperature resistance and radiation resistance, and the fragments generated after the breach accident have little impact on downstream physics and chemistry, so it has been widely promoted and used in the main equipment of nuclear power plants. use. [0003] The heat insulation principle of the metal reflective insulation board is: according to the radiation characteristics of the cavity, the formed metal reflec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21C11/08G21F3/00
CPCY02E30/30
Inventor 刘东杰许洪朋冉小兵戴长年黄凯刘刚杨景超胡大芬
Owner 中广核工程有限公司
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