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Radioactive ray screen and method for preparation of the same

A manufacturing method and radiation technology, which are used in shielding, reactors, nuclear engineering, etc., can solve the problems of pinholes that easily penetrate radiation shields, Pb poisoning, and Pb pollution.

Inactive Publication Date: 2006-11-29
金建宝
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In the above conventional radiation shielding films 90 or radiation shielding objects, Pb powder 92 or zinc-lead alloy is mixed, and Pb poisoning or Pb pollution is prone to occur in various processes such as manufacture, use, and waste disposal.
In addition, since the radiation shielding film 90 or the radiation shield is thin, pinholes (not shown) inevitably generated during the manufacturing process easily penetrate the radiation shield, and there is a risk of radiation passing through the pinholes.

Method used

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  • Radioactive ray screen and method for preparation of the same
  • Radioactive ray screen and method for preparation of the same
  • Radioactive ray screen and method for preparation of the same

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Embodiment 2

[0037] Since the radiation shielding film 20 of the second embodiment is formed by laminating the radiation shielding films 20a and 20a, the phenomenon that the pinholes communicate with each other and penetrate the inside of the radiation shielding film 20 is greatly reduced. In addition, pinholes that are likely to occur in the manufacturing process of the radiation shielding film 20a can be crushed and removed in the lamination process. As a result, radiation transmission through the pinholes is prevented, and radiation can be shielded more reliably.

[0038] In addition, in the radiation shielding film 20 and its manufacturing method of Example 2, the case where two radiation shielding films 20a, 20a are laminated is described, but it is not limited to two, and three sheets may be used in other embodiments. , 4 sheets, .... The more the number of laminated sheets is, the more the penetration of the film due to pinholes can be reduced, but there are some difficulties in pro...

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Abstract

The invention is a radiation screening substrate and making method, made of metal powder of W, Sb and Sn mixed and dispersed in chloroethylene resin. On the premise of not adding Pb, it can ensure performance of screening radiation, has tensile strength, divulsive strength, folding resistance and flame retardance, and also stop pinhole form being penetrated.

Description

technical field [0001] The present invention relates to a radiation shield and a method for manufacturing the radiation shield, and more particularly to a structural member for constituting, for example, an X-ray generating device, an atomic energy-related machine, a radioactive material container, a radioactive waste container, etc., or for preventing manipulation of X-ray X-ray technicians, doctors, researchers, non-destructive inspectors of generators, patients undergoing X-ray diagnosis or radiation therapy, workers who deal with radioactive materials or radioactive waste, persons in charge of nuclear energy-related equipment, etc. are exposed to radiation and used A radiation shielding object and a method for manufacturing the radiation shielding object. [0002] In addition, the radiation shield is a concept including a flexible film-like thin object, an object thicker than a film, and a rigid plate-shaped object. Background technique [0003] Figure 4 91 in the draw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21F1/00G21F1/02G21F1/10G21F1/12
Inventor 金建宝
Owner 金建宝