Trial Construction of Animal Breeding Cabinet for Exposing to Tritium Gas

1990年我们成功地试制了一种手套箱. 1991年研制了氚气暴露装置和氚气收集装置。主要内容如下：1.手套箱手套箱是一个大的腔室，作为动物饲养柜的框架，它由一个外箱和一个内箱组成。对任何实验来说都是难以密封的。没有氚气泄漏到实验室。它是由SUS-304，其尺寸为（Wd 7 OO + Wu 550）x L1200 x H900毫米，但前面部分是由透明亚克力。氚气暴露装置该装置是动物饲养柜的一部分，小动物可以在其中暴露于氚气。氚气通过吸入进入小动物体内。它由一个氚气暴露室和动物支架组成。这些是由透明亚克力制成的，通过它可以模拟小动物的行为。氚气收集装置该装置用于收集废弃的氚气。氚气通路密闭性强，保护安全可靠。该集气管由加热催化系统、冷却吸收系统和循环系统组成。加热催化系统可以保持在300摄氏度。在冷却吸收系统中，冷却后可捕集氚化水。在手套箱完成后，我们尝试用氚化水蒸气饲养小动物作为预备实验。得到了氚吸收产额随时间向平台的变化曲线。

Our trial manufacture of a glove box has successfully completed in 1990. An apparatus for tritium gas exposure and an apparatus for tritium gas collection were made in 1991. The summary is as follows :1. Glove BoxThis glove box is a large chamber as the frame of Animal Breeding Cabinet, which is composed of an outer box and an inner box. It is hard airtight for any kinds of experiments. It has no leak of tritium gas to the experimental room. It is made of SUS-304, which size is(Wd7OO + Wu550)x L1200 x H900 mm. But the front part is made of transparent acryl.2. Apparatus for Tritium Gas ExposureThis apparatus is a part of the Animal Breeding Cabinet, in which small animals can be exposed to tritium gas. Tritium gas is introduced to the body of small animals by inhalation. It is composed of a chamber for exposing to tritium gas and animal holders. These are made of tr, ansparent acryl through which the behavior of small animals can be observed.3. Apparatus for Tritium Gas CollectionThis apparatus is used for the collection of tritium gas discarded. The path of tritium gas is hard airtight and is safely and reliably protective. This gas collector is composed of a heating catalytic system, a cooling absorber system, and0a circular system. The heating catalytic system can be kept at 300ﾟC. In the cooling absorber system tritiated water can be traped after cooling. The circular system acts with a disframe pump.After completion of glove box, we tried to breed small animals'with tritiated water vapor as a preparatory experiment. Tritium absorption yield curbs to plateau by time were obtained.