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Anti-radiation block for neutron science research and preparation method thereof

A technology for scientific research and radiation protection, applied in the field of radiation protection materials, can solve the problems of increasing the cost of concrete blocks, and achieve the effects of saving concrete costs, increasing radiation protection effects, and ingenious time.

Active Publication Date: 2018-05-18
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

Method used

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  • Anti-radiation block for neutron science research and preparation method thereof

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Comparison scheme
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, copper particles, and cement of different specifications;

[0028] ②, the preparation of the combined block, pour 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 next sand size concrete slurry 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 for 15 minutes, it is a...

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, copper particles, and cement of different specifications;

[0035] ②, the preparation of the combined block, pour 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 next sand size concrete slurry 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 heating for 8 minutes, it is a...

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, copper particles, and cement of different specifications;

[0042] ②, the preparation of the combined block, pour 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 next sand size concrete slurry 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 heating for 11 minutes, it is ...

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Abstract

The invention relates to the field of anti-radiation materials, in particular to an anti-radiation block for neutron science research. The anti-radiation block comprises concrete blocks which are sequentially arranged according to the specifications of sand grains, wherein the number of the concrete blocks is not smaller than three; the thickness of the concrete blocks is increased along with theincrease of the specifications of the sand grains; plastic layers used for gluing the adjacent concrete blocks are arranged between the concrete blocks, and a steel plate is arranged on the outer sideof a combined block formed after gluing. According to the anti-radiation block for neutron science research and a preparation method thereof, the multi-layer concrete blocks with different sand grainspecifications are used for being glued into the combined block by plastic, and the steel plate is arranged outside the combined block so that targeted protection can be carried out according to thepenetration capability of various radiation sources, and then the effect of reducing the cost of concrete can be achieved.

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 Applications(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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