A radiation-proof block for neutron scientific research and its preparation method

A technology for scientific research and radiation protection, applied in the field of radiation protection materials, can solve problems such as the increase in the cost of concrete blocks, and achieve increased radiation protection effects, good use effects, and ingenious effects.

Active Publication Date: 2019-08-06
DONGGUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Neutron science is a high-tech subject, which reflects the technological level of a country. Neutron science research includes many contents, such as neutron collision and fusion. Most of neutron science research is accompanied by radiation, so It is necessary to create a radiation-proof space to ensure the safety of researchers. Most of the existing radiation-proof spaces are built with radiation-proof blocks. Most of the radiation-proof blocks are made of concrete blocks and metal plates (steel plates, copper plates, etc.) Most of the existing concrete blocks for radiation protection are composed of sand particles of the same size. If fine sand is used, the cost of concrete blocks will increase. If coarse sand is used, thicker concrete blocks are needed to good radiation protection effect

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  • A radiation-proof block for neutron scientific research and its preparation method

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Effect test

Embodiment 1

[0026] A method for preparing a radiation-proof block for neutron scientific research, which comprises the following steps:

[0027] ①, Concrete slurry configuration, first prepare concrete slurry of different specifications through sand particles, copper particles, and cement of different sizes for later use;

[0028] ②, the preparation of the combined block, inject the concrete slurry with the smallest sand size into the mold that can be heated outside, then smooth the upper part, then put a layer of plastic layer, and then pour the concrete slurry of the next sand size Inject on the plastic layer, smooth the upper part, and then put a layer of plastic layer on it, inject the subsequent concrete slurry and plastic layer according to the above method, no plastic layer needs to be placed on the upper part of the top concrete slurry, and then heat it through the outside of the mold The device heats the mold so that the temperature inside the mold reaches 80°C, and after heating...

Embodiment 2

[0033] A method for preparing a radiation-proof block for neutron scientific research, which comprises the following steps:

[0034] ①, Concrete slurry configuration, first prepare concrete slurry of different specifications through sand particles, copper particles, and cement of different sizes for later use;

[0035] ②, the preparation of the combined block, inject the concrete slurry with the smallest sand size into the mold that can be heated outside, then smooth the upper part, then put a layer of plastic layer, and then pour the concrete slurry of the next sand size Inject on the plastic layer, smooth the upper part, and then put a layer of plastic layer on it, inject the subsequent concrete slurry and plastic layer according to the above method, no plastic layer needs to be placed on the upper part of the top concrete slurry, and then heat it through the outside of the mold The device heats the mold so that the temperature inside the mold reaches 120°C, and after heatin...

Embodiment 3

[0040] A method for preparing a radiation-proof block for neutron scientific research, which comprises the following steps:

[0041] ①, Concrete slurry configuration, first prepare concrete slurry of different specifications through sand particles, copper particles, and cement of different sizes for later use;

[0042] ②, the preparation of the combined block, inject the concrete slurry with the smallest sand size into the mold that can be heated outside, then smooth the upper part, then put a layer of plastic layer, and then pour the concrete slurry of the next sand size Inject on the plastic layer, smooth the upper part, and then put a layer of plastic layer on it, inject the subsequent concrete slurry and plastic layer according to the above method, no plastic layer needs to be placed on the upper part of the top concrete slurry, and then heat it through the outside of the mold The device heats the mold so that the temperature inside the mold reaches 100°C, and after heatin...

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Abstract

The invention relates to the field of radiation-proof materials, in particular to a radiation-proof block for neutron scientific research, which includes concrete blocks arranged in sequence according to sand grain specifications, the number of said concrete blocks is not less than 3, and the thickness As the size of the sand increases, a plastic layer for gluing them is arranged between adjacent concrete blocks, and a steel plate is arranged on the outside of the combined block after gluing; the purpose of the present invention is to provide a The scientifically researched anti-radiation block and its preparation method use multiple layers of concrete blocks of different sand grain sizes to be glued together with plastic to form a combined block, and steel plates are placed outside it, which can be targeted according to the penetration ability of various radiation sources. protection, which in turn can save the cost of concrete.

Description

technical field [0001] The invention relates to the field of radiation-proof materials, in particular to a radiation-proof block for neutron scientific research and a preparation method thereof. Background technique [0002] Neutron science is a high-tech subject, which reflects the technological level of a country. Neutron science research includes many contents, such as neutron collision and fusion. Most of neutron science research is accompanied by radiation, so It is necessary to create a radiation-proof space to ensure the safety of researchers. Most of the existing radiation-proof spaces are built with radiation-proof blocks. Most of the radiation-proof blocks are made of concrete blocks and metal plates (steel plates, copper plates, etc.) Most of the existing concrete blocks for radiation protection are composed of sand particles of the same size. If fine sand is used, the cost of concrete blocks will increase. If coarse sand is used, thicker concrete blocks are neede...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21F1/12G21F1/04
CPCG21F1/047G21F1/125
Inventor 孙振忠陈海彬邓君
Owner DONGGUAN UNIV OF TECH
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