Process and apparatus for extraction of gases produced during operation
of a fused-salt nuclear reactor
    41.
    发明授权
    Process and apparatus for extraction of gases produced during operation of a fused-salt nuclear reactor 失效
    用于萃取在融合盐核反应堆运行期间产生的气体的方法和装置

    公开(公告)号:US3993542A

    公开(公告)日:1976-11-23

    申请号:US547659

    申请日:1975-02-06

    CPC分类号: F28F21/02 G21C19/307

    摘要: The present invention relates to the field of fused-salt nuclear reactors and its object is the extraction of the gases produced in the course of operation of these reactors.The process according to the invention consists in placing into position a piece of material permeable for gases and impermeable for the used fused salts, for instance, a piece of graphite, in such a way that part of the surface of this piece is in contact with the circuit of the radioactive salts and another part connected to a gas suction device.The piece could also be scavenged in its mass by a flow of inert gas.Application is contemplated in reactors using a mixture of lithium fluoride, beryllium fluoride, and uranium and/or thorium fluoride.

    摘要翻译: 本发明涉及熔盐核反应堆的领域,其目的是提取在这些反应堆运行过程中产生的气体。

    Process and apparatus for the removal of traces of impurities from carbon dioxide
    44.
    发明授权
    Process and apparatus for the removal of traces of impurities from carbon dioxide 失效
    从二氧化碳中去除污染物的过程和装置

    公开(公告)号:US3469410A

    公开(公告)日:1969-09-30

    申请号:US3469410D

    申请日:1967-04-14

    申请人: LINDE AG

    摘要: 972,044. Cold separation of gas mixtures. GES. FUR LINDE'S EISMASCHINEN A.G. June 26, 1963 [July 4, 1962], No. 25375/63. Heading F4P. [Also in Division G6] Reduction of the content of low boiling trace impurities e.g. carbon monoxide, methane, nitrogen, oxygen and rare gases found in carbon dioxide is effected in a rectification column 17 to which feed gas is admitted through an expansion nozzle 16, pure liquid carbon dioxide is withdrawn from the base through a duct 21 and impurity-rich carbon dioxide effluent gas is withdrawn from the head through a duct 30 and said effluent is condensed in part in an exchanger 26 and returned through a duct 31 to serve as reflux whilst the uncondensed effluent gas is used to cool incoming feed gas in an exchanger (not shown). In operation compressed crude carbon dioxide having been cooled in exchangers 12; 13 is expanded into a chamber 14, liquefied in an exchanger 15 cooled by liquid carbon dioxide in duct 21, and a portion thereof expanded at nozzle 16 whilst the remainder is expanded at a value 19 into a separating chamber 20 into which is also expanded at a valve 24 pure liquid carbon dioxide from the exchanger 15 at a valve 34 crude liquid carbon dioxide from chamber 14. The liquid carbon dioxide from chamber 20 is vaporized in exchanger 26, added to vapour from chamber 20 and is forced by a compressor 28 into a duct 29 leading to a nuclear reactor, Fig. 1 (not shown), to serve as coolant. Contaminated effluent is vented to atmosphere through a duct 32.

    A FUEL ASSEMBLY
    46.
    发明申请
    A FUEL ASSEMBLY 审中-公开

    公开(公告)号:US20190198183A1

    公开(公告)日:2019-06-27

    申请号:US16330496

    申请日:2017-02-20

    IPC分类号: G21C3/32 G21C19/307

    摘要: A fuel assembly for a nuclear water reactor having an upstream end, a downstream end, and a flow interspace between the upstream and downstream ends. Fuel rods are provided in the flow interspace between the upstream and downstream ends. The flow interspace permits a flow of coolant through the fuel assembly along a flow direction from the upstream end to the downstream end. A filter device is provided to catch debris particles in the flow of coolant. The filter device has a first filter zone for a major part of the flow of coolant, and a second filter zone for a minor part of the flow of coolant. The first filter zone has a first filtering efficiency and the second filter zone has a second filtering efficiency. The second filtering efficiency is higher than the first filtering efficiency.