JP3170857U - Radiation material adsorption tool - Google Patents

Radiation material adsorption tool Download PDF

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JP3170857U
JP3170857U JP2011004500U JP2011004500U JP3170857U JP 3170857 U JP3170857 U JP 3170857U JP 2011004500 U JP2011004500 U JP 2011004500U JP 2011004500 U JP2011004500 U JP 2011004500U JP 3170857 U JP3170857 U JP 3170857U
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zeolite particles
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吉江　勝廣
勝廣 吉江
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吉江　勝廣
勝廣 吉江
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Abstract

【課題】食品あるいは衣料品等に付着した放射線物質を水によって洗浄したときの再付着を抑制することができる放射線物質吸着具を提供する。【解決手段】放射線物質吸着具１は、粒状に形成された非水溶性の複数のゼオライト粒２と、このゼオライト粒２よりも小さい内径とした複数の透孔を有する中空の容器３とを備え、容器３内の複数のゼオライト粒２が水槽内の水の流動によって移動可能に構成し、水槽内の水によって食品や衣料品等の被洗浄物に付着した放射線物質を離脱させたとき、水に放出した放射線をゼオライト粒２によって減少させる。【選択図】図１The present invention provides a radiation substance adsorbing tool capable of suppressing reattachment when a radiation substance adhered to food or clothing is washed with water. A radiation substance adsorbing tool (1) includes a plurality of water-insoluble zeolite particles (2) formed in a granular form and a hollow container (3) having a plurality of through holes having an inner diameter smaller than that of the zeolite particles (2). When the plurality of zeolite particles 2 in the container 3 are configured to be movable by the flow of water in the aquarium and the radioactive material adhering to the object to be cleaned such as food and clothing is separated by the water in the aquarium, The amount of radiation emitted to the is reduced by the zeolite particles 2. [Selection] Figure 1

Description

本考案は、食品や衣料品等の被洗浄物に付着した放射線物質を洗浄時に再付着することを防止する放射線物質吸着具に関する。  The present invention relates to a radiation material adsorbing tool for preventing a radiation material attached to an object to be cleaned such as food or clothing from being reattached during cleaning.

放射性物質は、例えば原子力発電所等から放出され、風や降雨によって地表に向けて降下し、野菜、果物等の生鮮食品、あるいは、着衣した衣料品等に付着する。この放射性物質は、水によって洗浄することにより、５０％〜８０％まで減少できると言われている。一方、廃水処理方法としては、例えば、特開２００５−１７７７０９号公報に示されるように、ゼオライトを用いて放射性物質を吸着させることにより減少させることが知られている。  The radioactive material is released from, for example, a nuclear power plant, falls to the surface of the earth by wind or rain, and adheres to fresh foods such as vegetables and fruits or clothes that have been worn. It is said that this radioactive material can be reduced to 50% to 80% by washing with water. On the other hand, as a wastewater treatment method, for example, as shown in JP-A-2005-177709, it is known to reduce by adsorbing a radioactive substance using zeolite.

特開２００５−１７７７０９号公報JP 2005-177709 A

しかしながら、食品あるいは衣料品等に付着した放射線物質を水の洗浄によって減少させるためには、流水が必要であり、多くの水を消費するため、限りある水資源が減少する問題がある。また、水槽等に貯水された水を使用した場合には、放射性物質が一旦は水の中に放出されたとしても、再び食品あるいは衣料品等に付着することから、洗浄効率が著しく低下する問題がある。一方、上述した特許文献２に示す廃水処理方法は、一般家庭では設置することができないことは勿論のこと、装置の維持メンテナンス費用が高額となって維持することができない。  However, in order to reduce radioactive substances adhering to food or clothing by washing with water, running water is required and a large amount of water is consumed, so there is a problem that limited water resources are reduced. In addition, when water stored in a water tank or the like is used, even if the radioactive material is once released into the water, it will adhere to food or clothing again, and the cleaning efficiency will be significantly reduced. There is. On the other hand, the wastewater treatment method shown in Patent Document 2 described above cannot be installed in a general household, and cannot be maintained due to the high maintenance cost of the apparatus.

本考案が解決しようとする課題は、食品あるいは衣料品等に付着した放射線物質を水によって洗浄したときの再付着を抑制することができる放射線物質吸着具を提供することにある。  The problem to be solved by the present invention is to provide a radiation substance adsorbing tool capable of suppressing reattachment when a radiation substance attached to food or clothing is washed with water.

そこで、本考案による放射線物質吸着具は、粒状に形成された非水溶性の複数のゼオライト粒と、このゼオライト粒よりも小さい内径とした複数の透孔を有する中空の容器とを備え、上記容器内の複数の上記ゼオライト粒が上記水槽内の水の流動によって移動可能に構成し、水槽内の水によって食品や衣料品等の被洗浄物に付着した放射線物質を離脱させたとき、上記水に放出した上記放射線を上記ゼオライト粒によって減少させている。  Therefore, a radiation substance adsorbing device according to the present invention includes a plurality of water-insoluble zeolite particles formed in a granular form, and a hollow container having a plurality of through-holes having an inner diameter smaller than the zeolite particles. A plurality of the zeolite particles in the water tank are configured to be movable by the flow of water in the water tank, and when the radioactive material adhering to the object to be cleaned such as food and clothing is released by the water in the water tank, The emitted radiation is reduced by the zeolite particles.

また、容器内には、ゼオライト粒の他に、水の浄化のために、粒状の活性炭を混入させることが望ましい。  In addition to the zeolite particles, it is desirable to mix granular activated carbon in the container for water purification.

さらに、上記容器としては、ゼオライト粒または活性炭の外形よりも小さい内形とした透孔を有するネットにより形成することが望ましい。  Further, it is desirable that the container is formed of a net having a through hole having an inner shape smaller than the outer shape of the zeolite particles or activated carbon.

さらにまた、上記容器としては、ゼオライト粒の外形よりも小さい内形とした透孔を有する立方体形容器によって形成することが望ましい。  Furthermore, it is desirable that the container is formed of a cubic container having a through hole having an inner shape smaller than the outer shape of the zeolite particles.

本考案によれば、複数の透孔を有する容器の中に、粒状に形成された非水溶性の複数のゼオライト粒を入れ、ゼオライト粒が水槽内の水の流動によって移動できるようにしているので、放射線物質が付着した食品や衣料品等の被洗浄物を水槽内の水によって洗浄したときに、離脱した放射線物質がゼオライト粒によって吸着するので、被洗浄物への再付着を未然に防止することができる。また、水槽内の水は、ゼオライト粒によって放射線物質が吸着されるので、下水道に流出しても、環境等に悪影響を及ぼすことがなくなる。さらに、ゼオライト粒が水槽内の水の流動によって移動するので、ゼオライト粒の外周全面に放射線物質を吸着させることができるので、放射線物質の減少率を向上させることが可能となる。  According to the present invention, a plurality of water-insoluble zeolite particles formed into a container having a plurality of through holes are placed so that the zeolite particles can be moved by the flow of water in the water tank. When the object to be cleaned such as food or clothing to which radioactive material is attached is washed with water in the aquarium, the detached radioactive material is adsorbed by the zeolite particles, thus preventing reattachment to the object to be cleaned. be able to. Moreover, since the radioactive substance is adsorbed by the zeolite particles in the water in the aquarium, even if it flows into the sewer, it does not adversely affect the environment. Furthermore, since the zeolite particles move due to the flow of water in the water tank, the radiation material can be adsorbed on the entire outer periphery of the zeolite particles, so that the reduction rate of the radiation material can be improved.

ゼオライト粒の他に、粒状の活性炭を混入させると、水がゼオライト粒の浄化作用ととともに浄化されるとともに、放射線物質も吸着するので、放射線物質の減少率をさらに向上させることが可能となる。  When granular activated carbon is mixed in addition to the zeolite particles, water is purified together with the purification effect of the zeolite particles, and the radioactive material is also adsorbed, so that the reduction rate of the radioactive material can be further improved.

容器として、ゼオライト粒または活性炭の外形よりも小さい内形とした透孔を有するネットにより形成すると、水流によりネット自体が変形するので、複数のゼオライト粒が様々に変位しながら放射線物質を吸着することができる。  If the container is made of a net with pores that are smaller than the outer shape of the zeolite particles or activated carbon, the net itself is deformed by the water flow, so that multiple zeolite particles can adsorb radiation materials while being displaced in various ways. Can do.

また、容器として、ゼオライト粒の外形よりも小さい内形とした透孔を有する立方体形容器によって形成すると、水の中で立方体形容器が転移することにより複数のゼオライト粒が様々に変位するので、放射線物質の吸着効率を向上させることができる。  In addition, as a container, when formed by a cubic container having an inner shape smaller than the outer shape of the zeolite particles, the plurality of zeolite particles are variously displaced by the transition of the cubic container in water, The adsorption efficiency of radioactive material can be improved.

本考案に関わる放射線物質吸着具の第１の実施例を示す平面図である。It is a top view which shows the 1st Example of the radioactive substance adsorbing tool in connection with this invention. 本考案に関わる放射線物質吸着具の第２の実施例を示す斜視図である。It is a perspective view which shows the 2nd Example of the radioactive material adsorption tool concerning this invention. 本考案に関わる放射線物質吸着具の第３の実施例を示す斜視図である。It is a perspective view which shows the 3rd Example of the radioactive material adsorber concerning this invention. 第３の実施例の放射線物質吸着具を水槽内に入れた状態を示す一部断面斜視図である。It is a partial cross section perspective view which shows the state which put the radioactive material adsorption tool of the 3rd Example in the water tank. 第２の実施例の放射線物質吸着具を洗濯機の水槽内に入れた状態を示す説明図である。It is explanatory drawing which shows the state which put the radioactive material adsorption tool of 2nd Example in the water tank of the washing machine.

放射線物質吸着具は、粒状に形成された非水溶性の複数のゼオライト粒と、このゼオライト粒よりも小さい内径とした複数の透孔を有する中空の容器とを備え、上記容器内の複数の上記ゼオライト粒が上記水槽内の水の流動によって移動可能に構成し、水槽内の水によって食品や衣料品等の被洗浄物に付着した放射線物質を離脱させたとき、上記水に放出した上記放射線を上記ゼオライト粒によって減少させようにしている。  The radioactive material adsorber comprises a plurality of water-insoluble zeolite particles formed in a granular form, and a hollow container having a plurality of through holes having an inner diameter smaller than that of the zeolite particles, The zeolite particles are configured to be movable by the flow of water in the water tank, and when the radioactive material attached to the object to be cleaned such as food and clothing is released by the water in the water tank, the radiation released to the water is released. The amount is reduced by the zeolite particles.

以下、図面に基づいて本考案の実施例を詳細に説明する。図１は、本考案に関わる放射線物質吸着具の第１の実施例を示している。放射線物質吸着具１は、粒状に形成された非水溶性の複数のゼオライト粒２と、このゼオライト粒２よりも小さい内径とした複数の透孔を有する中空の容器３とによって構成されている。ゼオライト粒２としては、天然ゼオライトが望ましく、放射性物質をイオン交換でゼオライト自体に取り込み、無害にする性質を有しているとされている。ゼオライト粒２が吸着する放射性物質としては、半減期が長い放射性セシウムであり、放射性ヨウ素も吸着される。  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a first embodiment of a radioactive material adsorbing tool according to the present invention. The radioactive substance adsorbing tool 1 is constituted by a plurality of water-insoluble zeolite particles 2 formed in a granular form and a hollow container 3 having a plurality of through holes having an inner diameter smaller than that of the zeolite particles 2. As the zeolite particles 2, natural zeolite is desirable, and it is said that it has the property of incorporating radioactive substances into the zeolite itself by ion exchange and making them harmless. The radioactive substance adsorbed by the zeolite particles 2 is radioactive cesium having a long half-life, and radioactive iodine is also adsorbed.

ゼオライト粒１としては、水槽内の水に投入されることから、非水溶性すなわち水に投入したときに粒形を維持していることが望ましいため、例えば、焼成等によって固められている。なお、図１に示すゼオライト粒２は、球形に形成されているが、正立方体や三角錐等の非円形立方体に形成しても良い。  Since the zeolite particles 1 are charged into the water in the water tank, it is desirable that the particles be water-insoluble, that is, maintain the particle shape when charged in water, and are solidified by firing, for example. 1 is formed in a spherical shape, it may be formed in a non-circular cube such as a regular cube or a triangular pyramid.

図１に示す容器３は、例えば、野菜等の食品を洗浄するための洗い桶に入れて使用するもので、或る程度の剛性を有する皿状かご３ａと、ネット３ｂによって構成され、皿状かご３ａの上に複数個のゼオライト粒２を載置した状態で、皿状かご３ａ及び複数個のゼオライト粒２を包囲するようにネット３ｂを被覆している。皿状かご３ａは、編み目が形成され、ゼオライト粒２よりも小さい内径とした複数の透孔が形成されている。また、ネット３ｂは一般的な繊維を網状に編んだものであり、周知のように複数の透孔が形成されている。これら皿状かご３ａ及びネット３ｂに形成された透孔の内形は、いずれもゼオライト粒２の外形よりも小さく形成され、ゼオライト粒２が透孔から透過しないようにしている。また、複数個のゼオライト粒２は、容器３内で比較的自由に移動可能な量に設定されている。このような量に設定することにより、容器３内の複数個のゼオライト粒２が水槽内の水の流動によって移動することができる。  The container 3 shown in FIG. 1 is used, for example, in a washing basket for washing food such as vegetables, and is constituted by a dish-shaped basket 3a having a certain degree of rigidity and a net 3b. The net 3b is covered so as to surround the dish-shaped cage 3a and the plurality of zeolite particles 2 in a state where the plurality of zeolite particles 2 are placed on the cage 3a. The dish-shaped basket 3 a is formed with stitches and a plurality of through holes having an inner diameter smaller than that of the zeolite grains 2. Further, the net 3b is formed by knitting general fibers into a net shape, and a plurality of through holes are formed as is well known. The inner shapes of the through holes formed in the dish-shaped cage 3a and the net 3b are both formed smaller than the outer shape of the zeolite particles 2 so that the zeolite particles 2 do not pass through the through holes. The plurality of zeolite particles 2 is set to an amount that can move relatively freely in the container 3. By setting to such an amount, the plurality of zeolite particles 2 in the container 3 can be moved by the flow of water in the water tank.

この図１に示す容器３には、ヤシ殻活性炭等ならなる粒状の活性炭を混入しても良い。粒状の活性炭を混入する場合には、ネット３ｂに形成された透孔の内形を活性炭の外形よりも小さく形成される。  The container 3 shown in FIG. 1 may be mixed with granular activated carbon such as coconut shell activated carbon. When mixing granular activated carbon, the inner shape of the through-hole formed in the net 3b is formed smaller than the outer shape of the activated carbon.

図２に示す容器４は、例えば、衣料を洗濯する洗濯機の水槽に入れて使用するもので、ネット５の上下端を略直交させて封止することにより、略テトラポット状になるように形成されている。このネット５も繊維を網状に編んだものであり、周知のように複数の透孔が形成されている。そして、ネット５の内部には、内部で比較的自由に移動可能な量の複数個のゼオライト粒２が封入されている。これにより、容器４内の複数個のゼオライト粒２が水槽内の水の流動によって移動することができる。  The container 4 shown in FIG. 2 is used, for example, by putting it in a water tub of a washing machine for washing clothes. Is formed. The net 5 is also made by knitting fibers in a net shape, and a plurality of through holes are formed as is well known. The net 5 is filled with a plurality of zeolite particles 2 in an amount that can move relatively freely inside. Thereby, the some zeolite particle 2 in the container 4 can move by the flow of the water in a water tank.

図３に示す容器６は、野菜等の食品を洗浄するための洗い桶、或いは、洗濯機の水槽など、汎用的に使用可能であり、中空の球状に形成されている。そして、容器６の外周面には、複数個の透孔６ａが形成されている。この透孔６ａの大きさもゼオライト粒２の外形よりも小さく形成され、ゼオライト粒２が透孔６ａから透過しないようにしている。また、複数個のゼオライト粒２は、容器６内で自由に移動可能な量に設定されている。  The container 6 shown in FIG. 3 can be used for general purposes such as a washing basket for washing food such as vegetables or a water tank of a washing machine, and is formed in a hollow spherical shape. A plurality of through holes 6 a are formed on the outer peripheral surface of the container 6. The size of the through holes 6a is also smaller than the outer shape of the zeolite particles 2, so that the zeolite particles 2 do not permeate through the through holes 6a. The plurality of zeolite particles 2 is set to an amount that can freely move in the container 6.

次に、本考案からなる放射線物質吸着具１の使用例について説明する。図４は、被洗浄物としての野菜等の食品を洗浄するための洗い桶７に３個の放射線物質吸着具１を使用した例である。洗い桶７には、内部に洗浄用の水８が貯水され、この水８には、図３に示した球状の放射線物質吸着具１が浸漬されている。放射線物質が付着した図示しない野菜等の食品を水８の中に入れて通常のように洗浄すると、食品から放射線物質が離脱する。この放射線物質は、水８に拡散した後、容器６内に入れられたゼオライト粒２に到達して吸着される。食品を洗浄するときに、食品と一緒に水８を拡散することにより、洗い桶７内の水８が流動し、これに伴い容器６が転移しながら移動するとともに、容器６内に入れられた複数個のゼオライト粒２が転移しながら移動する。この結果、食品から離脱した放射線物質が順次ゼオライト粒２に吸着され、食品および水８の放射線物質が徐々に減少する。従って、食品から離脱した放射線物質が再び食品に付着することが防止される。  Next, a usage example of the radiation substance adsorbing tool 1 according to the present invention will be described. FIG. 4 shows an example in which three radiation substance adsorbing tools 1 are used in a washing basket 7 for washing food such as vegetables as an object to be washed. Washing water 7 stores water 8 for cleaning therein, and the spherical radioactive substance adsorbing tool 1 shown in FIG. When food such as vegetables (not shown) to which radioactive material is attached is put in water 8 and washed as usual, the radioactive material is detached from the food. The radioactive material diffuses into the water 8 and then reaches the zeolite particles 2 placed in the container 6 and is adsorbed. When the food is washed, the water 8 is diffused together with the food, so that the water 8 in the washing basket 7 flows, and the container 6 moves while being transferred, and is put in the container 6. A plurality of zeolite particles 2 move while being transferred. As a result, the radioactive material released from the food is sequentially adsorbed on the zeolite particles 2, and the radioactive material in the food and water 8 is gradually reduced. Accordingly, it is possible to prevent the radioactive substance detached from the food from adhering to the food again.

図５は、本考案からなる放射線物質吸着具１の第２の使用例として、洗濯機の水槽９に放射線物質吸着具１を使用した例である。水槽９には、内部に被洗浄物としての洗濯用の水が貯水され、この水には、図２に示した放射線物質吸着具１が浸漬されている。放射線物質が付着した図示しない衣料を水の中に入れ、水槽９を通常のように回転させて洗濯を行うと、衣料から放射線物質が離脱する。この放射線物質は、水に拡散した後、容器４内に入れられたゼオライト粒２に到達して吸着される。洗濯中は衣料と一緒に水が回転することにより、水槽９内の水が流動し、これに伴い容器４が移動するとともに、容器４内に入れられた複数個のゼオライト粒２が転移しながら移動する。この結果、衣料から離脱した放射線物質が順次ゼオライト粒２に吸着され、衣料および水の放射線物質が徐々に減少する。このため、衣料から離脱した放射線物質が再び衣料に付着することが防止される。  FIG. 5 shows an example in which the radiation material adsorbing tool 1 is used in a water tub 9 of a washing machine as a second example of use of the radiation material adsorbing tool 1 according to the present invention. Washing water as an object to be cleaned is stored in the water tank 9, and the radioactive material adsorbing tool 1 shown in FIG. 2 is immersed in the water. When clothes (not shown) to which radioactive substances are attached are put in water and washing is performed by rotating the water tank 9 as usual, the radioactive substances are detached from the clothes. This radiation material is diffused into water and then reaches the zeolite particles 2 placed in the container 4 to be adsorbed. During washing, the water rotates together with the clothing, so that the water in the water tank 9 flows, and the container 4 moves along with this, while the plurality of zeolite particles 2 placed in the container 4 are transferred. Moving. As a result, the radioactive material released from the clothing is sequentially adsorbed on the zeolite particles 2, and the radioactive material of the clothing and water gradually decreases. For this reason, it is prevented that the radioactive substance which detached | leaved from clothing adheres to clothing again.

食品や衣料品等の被洗浄物に放射線物質として、天然石由来の放射線を発する粉末を１００ｇ付着させた。洗い桶に、２５ｇの放射線物質吸着具１と水道水１リットルを入れ、野菜からなる被洗浄物を上記水道水により１０回ほどジャブジャブさせて洗浄した。その後、３０分経過したときの放射線量を測定した。因みに、放射線量の測定は、日立アロカメディア社製ＴＣＳ−１７１Ｂを使用した。
被洗浄物を洗浄した直後の上記水道水の放射線量は、０．２４μＳｖ／ｈｒであった。３０分経過後の上記水道水の放射線量は、０．１７μＳｖ／ｈｒとなり、２９．２％減少した。また、被洗浄物は、上記水道水によって洗浄され、被洗浄物自体の放射線量は、５０〜８０％減少した。このように、流水でなく、貯留水であっても、放射線物質吸着具１水道水自体の放射線量が３０％ほど減少させることができた。100 g of a powder emitting radiation derived from natural stone was adhered as a radiation substance to an object to be cleaned such as food or clothing. 25 g of the radiation material adsorbing tool 1 and 1 liter of tap water were placed in the washing bowl, and the object to be cleaned made of vegetables was washed by jab-jabing about 10 times with the tap water. Then, the radiation dose when 30 minutes passed was measured. Incidentally, the radiation dose was measured using TCS-171B manufactured by Hitachi Aloka Media.
The radiation dose of the tap water immediately after cleaning the article to be cleaned was 0.24 μSv / hr. The radiation dose of the tap water after 30 minutes was 0.17 μSv / hr, which was a 29.2% decrease. Moreover, the to-be-cleaned object was wash | cleaned with the said tap water, and the radiation dose of to-be-cleaned object itself decreased 50 to 80%. Thus, the radiation amount of the radioactive material adsorbing tool 1 tap water itself could be reduced by about 30% even if it was not running water but stored water.

以上、本考案を実施例に基づき具体的に説明したが、本考案は上記実施例に限定されるものではなく、その要旨を逸脱しない範囲で種々変形可能であることは言うまでもない。
前述した図１に示した実施例において、皿状かご３ａ及び複数個のゼオライト粒２を包囲するネット３ｂを上方に延長させて袋状に形成し、この袋の内部に食品や衣料品等の被洗浄物を投入して洗浄するようにしても良い。また、図１の実施例に示した皿状かごの変形例として、多数の透孔を設けた略半球状のざるとして形成し、このざるの底面に、複数個のゼオライト粒を入れたネットを固定するように構成しても良い。このように、容器は前述した形状の他、種々の形状に変形させても良い。Although the present invention has been specifically described based on the embodiments, it is needless to say that the present invention is not limited to the above embodiments and can be variously modified without departing from the gist thereof.
In the embodiment shown in FIG. 1 described above, a dish-shaped basket 3a and a net 3b surrounding a plurality of zeolite grains 2 are extended upward to form a bag shape, and food, clothing, etc. are formed inside the bag. You may make it wash | clean by throwing in a to-be-cleaned object. Further, as a modified example of the dish-shaped cage shown in the embodiment of FIG. 1, a net having a plurality of zeolite grains formed on the bottom of the rod is formed as a substantially hemispherical rod provided with a large number of through holes. You may comprise so that it may fix. Thus, the container may be deformed into various shapes in addition to the shape described above.

本考案は、食品や衣料品等の被洗浄物に付着した放射線物質を減少させる放射線物質吸着具に適用可能である。  The present invention can be applied to a radiation material adsorbing tool that reduces radiation materials adhering to an object to be cleaned such as food and clothing.

１ 放射線物質吸着具
２ ゼオライト粒
３ 容器
３ａ 皿状かご
３ｂ ネット
４ 容器
５ ネット
６ 容器
６ａ 透孔
７ 洗い桶
８ 水
９ 水槽DESCRIPTION OF SYMBOLS 1 Radioactive material adsorption tool 2 Zeolite grain 3 Container 3a Dish basket 3b Net 4 Container 5 Net 6 Container 6a Through-hole 7 Washing bowl 8 Water 9 Water tank

Claims (4)

水槽内の水によって食品や衣料品等の被洗浄物に付着した放射線物質を離脱させることにより、上記水に放出した上記放射線を減少させる放射線吸着具であって、
放射線吸着具は、粒状に形成された非水溶性の複数のゼオライト粒と、このゼオライト粒よりも小さい内径とした複数の透孔を有する中空の容器とを備え、
上記容器内の複数の上記ゼオライト粒が上記水槽内の水の流動によって移動可能に構成した放射線物質吸着具。A radiation adsorber that reduces the radiation released to the water by detaching the radioactive material attached to the object to be cleaned such as food and clothing by water in the aquarium,
The radiation adsorber comprises a plurality of water-insoluble zeolite particles formed in a granular shape, and a hollow container having a plurality of through holes having an inner diameter smaller than the zeolite particles,
A radiation material adsorbing tool configured such that a plurality of the zeolite particles in the container are movable by the flow of water in the water tank. 容器内には、ゼオライト粒の他に粒状の活性炭を混入させた請求項１に記載の放射線物質吸着具。  The radioactive substance adsorbing tool according to claim 1, wherein granular activated carbon is mixed in the container in addition to zeolite particles. 容器は、ゼオライト粒または活性炭の外形よりも小さい内形とした透孔を有するネットにより形成した請求項１及び２に記載の放射線物質吸着具。  The radioactive substance adsorbing tool according to claim 1 or 2, wherein the container is formed by a net having a through hole having an inner shape smaller than the outer shape of zeolite particles or activated carbon. 容器は、ゼオライト粒の外形よりも小さい内形とした透孔を有する立方体形容器によって形成した請求項１及び２に記載の放射線吸着具。  The radiation adsorber according to claim 1 or 2, wherein the container is formed of a cubic container having a through hole having an inner shape smaller than the outer shape of the zeolite particles.
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JP2013079846A (en) * 2011-10-03 2013-05-02 Makino:Kk Decontamination method of polluted water, decontamination method of contaminated soil, and decontamination adsorbent for polluted water and contaminated soil
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JP2013079846A (en) * 2011-10-03 2013-05-02 Makino:Kk Decontamination method of polluted water, decontamination method of contaminated soil, and decontamination adsorbent for polluted water and contaminated soil
JP4974125B1 (en) * 2011-10-24 2012-07-11 洋 吉迫 Methods for treating contaminants with radioactive materials
JP2013117508A (en) * 2011-10-31 2013-06-13 Seibu Shinbunsha Co Ltd Radioactive substance absorbent, radioactive substance absorbent manufacturing device, decontamination method and bag body
JP2013153673A (en) * 2012-01-30 2013-08-15 Ueki Corp Sheet for preventing scattering of radioactive substance while preventing weed, and method of manufacturing the same
JP2013186084A (en) * 2012-03-09 2013-09-19 Toshiba Corp Method and device for treating radioactive cesium contaminant
JP2013242235A (en) * 2012-05-21 2013-12-05 Shimizu Corp Contamination water treatment unit
JP2014055855A (en) * 2012-09-12 2014-03-27 Kureha Ltd Decontamination bag, decontamination instrument, and decontamination method using decontamination bag
JP2014134425A (en) * 2013-01-09 2014-07-24 Masaaki Ishizeki Radioactive cesium decontamination agent, concrete member, building member, paint for building, and resin product using the same, submerged scattering device of the same, and decontamination method of radioactive cesium
JP2015017003A (en) * 2013-07-09 2015-01-29 富士チタン工業株式会社 Artificial zeolite excellent in adsorption capacity of both of cesium and strontium and production method of the same
WO2018207745A1 (en) * 2017-05-08 2018-11-15 国立大学法人 東京大学 Flow pressure loss reducing adsorption system using hierarchical structure
JP2018187569A (en) * 2017-05-08 2018-11-29 国立大学法人 東京大学 Flowing water pressure loss reduction type adsorption system using hierarchical structure
JP7089263B2 (en) 2017-05-08 2022-06-22 国立大学法人 東京大学 Flow pressure loss reduction type adsorption system using a hierarchical structure

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