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    • 2. 发明专利
    • エアーフィルタ
    • JP2020195941A
    • 2020-12-10
    • JP2019102503
    • 2019-05-31
    • 株式会社日本環境調査研究所
    • 移川 隆行木梨 秀二
    • B01D46/10B01D39/20B01D46/52
    • 【課題】塵埃やμmサイズを超過する微粒子、μmサイズの微粒子、nmサイズの微粒子、nmサイズ未満の微粒子を除去した清浄空気を給気することができるエアーフィルタを提供する。 【解決手段】エアーフィルタは、空気の流入側に位置するプレフィルタ11及び中性能フィルタ12と、中性能フィルタ12の下流側に位置する多孔質フィルタ13と、多孔質フィルタ13の下流側に位置するHEPAフィルタ14又はULPAフィルタ15とから形成されている。エアーフィルタでは、空気に含まれる塵埃がプレフィルタ11及び中性能フィルタ12によって捕集され、空気に含まれるnmサイズの微粒子及びnmサイズ未満の微粒子が多孔質フィルタ13に吸着され、多孔質フィルタ13を通過した空気に含まれるnmサイズの微粒子及びμmサイズの微粒子並びにμmサイズを超過する微粒子がHEPAフィルタ14又はULPAフィルタ15によって捕集される。 【選択図】図2
    • 7. 发明专利
    • Decontamination method, dry ice implantation system, and decontamination system
    • 干燥方法,干冰植被系统和去污系统
    • JP2013178211A
    • 2013-09-09
    • JP2012043284
    • 2012-02-29
    • Japan Environment Research Co Ltd株式会社日本環境調査研究所Nippon Ekitan Corp日本液炭株式会社
    • UEDA AKIHIKOKINASHI SHUJIWAKABAYASHI HIDEKAZU
    • G21F9/28
    • PROBLEM TO BE SOLVED: To provide a decontamination method by which most of radioactive materials in a decontamination object location of a prescribed range can be reliably removed and decontamination of the decontamination object location can be performed in a short period of time and in an efficient manner.SOLUTION: A decontamination method includes: a first decontamination coating material application step of applying a peelable type decontamination coating material which adsorbs and holds radioactive materials on a floor surface 11 or a wall surface 12; a first coating film forming step of forming a coating film 13 on the floor surface 11 or the wall surface 12 by drying the coating material; a first dry ice implantation step of implanting dry ice pellets into the coating film 13 from a round-shape nozzle 21A of a dry ice blast device by compressed air; and a coating film peeling step of making the coating film 13 swell up at the floor surface 11 or the wall surface 12 by sublimation of the dry ice pellets implanted in the coating film 13, peeling the coating film 13 from the surface of the floor surface 11 or the wall surface 12, and forming a peeling region 35 where the coating film 13 is peeled on the floor surface 11 or the wall surface 12.
    • 要解决的问题:提供一种去污方法,通过该方法可以可靠地去除规定范围的去污物位置中的大部分放射性物质,并且可以在短时间内以有效的方式进行去污物位置的去污 解决方案:一种净化方法,包括:第一去污涂料施用步骤,将在所述地板表面11或壁表面12上吸附并保持放射性物质的可剥离型去污涂料施用; 第一涂膜形成步骤,通过干燥涂层材料在地板表面11或壁表面12上形成涂膜13; 第一干冰注入步骤,通过压缩空气从干冰喷射装置的圆形喷嘴21A将干冰颗粒注入涂膜13; 以及涂膜剥离步骤,通过升温涂覆在涂膜13中的干冰颗粒,使涂膜13在地板表面11或壁面12上膨胀,从涂层表面剥离涂膜13 11或壁面12,并且形成剥离区域35,其中涂膜13在地板表面11或壁表面12上被剥离。
    • 9. 发明专利
    • Radiation shielding mat
    • 辐射屏蔽垫
    • JP2011247666A
    • 2011-12-08
    • JP2010119102
    • 2010-05-25
    • Japan Environment Research Co Ltd株式会社日本環境調査研究所
    • MOGI MICHINORIKAWAMURA HITOSHIUEDA AKIHIKOKODAMA TAKAYUKI
    • G21F3/00G21F1/10G21F1/12
    • PROBLEM TO BE SOLVED: To provide a radiation shielding mat which can be manufactured at low cost and also has flexibility regardless of having a radiation shielding capability.SOLUTION: Two sheets 11 and 12 having almost the same shape are overlapped, many bag parts 14 are configured by welding belt-like regions to each other that go along side edge parts 13a and 13b of each sheet, are formed with a predetermined interval left in a horizontal direction X of the extending side edge parts 13a and 13b and are long in a vertical direction Y perpendicular to the horizontal direction, a radiation shielding function plate 15 is stored in each bag part 14, a margin hem 16 having predetermined dimension width is formed between respective end parts 14a and 14b in the longitudinal direction of the bag parts 14 storing the radiation shielding function plate 15 and the respective side edge pars 13a and 13b, and on the two sheets 11 and 12, radiation shielding function plates 15 stored in the respective bag parts 14 of the second sheet 12 are faced to each other and overlapped so as to be positioned at an interval part 22 of each bag part 14 of the first sheet 11 storing the radiation shielding function plate 15.
    • 要解决的问题:提供一种能够以低成本制造并且也具有柔性的辐射屏蔽垫,而不管具有辐射屏蔽能力。 解决方案:具有几乎相同形状的两个片材11和12重叠,许多袋部件14通过沿着每个片材的侧边缘部分13a和13b沿着彼此焊接的带状区域而构成,形成有 延伸侧边缘部分13a和13b的水平方向X上的预定间隔,并且在垂直于水平方向的垂直方向Y上长,在每个袋部分14中存储有辐射屏蔽功能板15,边缘边缘16具有 在存储辐射屏蔽功能板15和相应的侧边缘13a和13b的袋部14的纵向方向上的相应端部14a和14b之间形成预定尺寸宽度,并且在两个片11和12上形成辐射屏蔽功能 存储在第二片材12的各个袋部14中的板15彼此面对并重叠,以便位于第一片11的每个袋部14的间隔部分22处 辐射屏蔽功能板15.版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Removal efficiency measurement method
    • 拆卸效率测量方法
    • JP2011226944A
    • 2011-11-10
    • JP2010097647
    • 2010-04-21
    • Japan Environment Research Co Ltd株式会社日本環境調査研究所
    • MOGI MICHINORIIGAWA TAKAYUKI
    • G01N15/08B01D53/04
    • PROBLEM TO BE SOLVED: To provide a removal efficiency measurement method in which removal efficiency having high reliability and credibility on a gas removal air filter can be measured by directly utilizing object gas.SOLUTION: In the removal efficiency measurement method, a gas supply process which simultaneously supplies a predetermined amount of testing gas 21 and tracer gas 23 from an entrance side of an air filter 11 by utilizing the testing gas 21 same as object gas, the tracer gas 23 passing through the gas removal air filter 11 without being removed by the gas removal air filter 11, and photoacoustic gas monitors 15 and 16 to measure concentration of the testing gas 21 and the tracer gas 23 contained in sample air, a first gas concentration measurement process in which concentration of the testing gas 21 and the tracer gas 23 in the air flowing into an entrance of the air filter 11, and a second gas concentration measurement process in which concentration of the testing gas 21 and the tracer gas 23 contained in the air flowing out from the exit through the filter 11 is measured by utilizing the gas monitors 15 and 16 are performed.
    • 解决问题的方案:提供一种去除效率测量方法,其中可以通过直接利用目标气体来测量气体去除空气过滤器具有高可靠性和可靠性的去除效率。 解决方案:在去除效率测量方法中,通过利用与对象气体相同的测试气体21,同时从空气过滤器11的入口侧提供预定量的测试气体21和示踪气体23的气体供给过程, 通过气体去除空气过滤器11的示踪气体23不被气体去除空气过滤器11除去,光声气体监测器15和16测量样品空气中包含的测试气体21和示踪气体23的浓度,第一 在流入空气过滤器11的入口的空气中的测试气体21和示踪气体23的浓度的气体浓度测量过程以及测试气体21和示踪气体23的浓度的第二气体浓度测量过程 通过利用气体监测器15和16来测量从通过过滤器11的出口流出的空气中所含的空气。 版权所有(C)2012,JPO&INPIT