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4. 发明专利

JPS5624003A TAKEEOUT DEVICE OF PRODUCT AT TOWER BOTTOM IN MASS EXCHANGING TOWER 失效
公开(公告)号：JPS5624003A
公开(公告)日：1981-03-07
申请号：JP9997479
申请日：1979-08-06
申请人： KAWASAKI HEAVY IND LTD
发明人： SUZUKI TATSUSHI , KAWAE HIDETOSHI , YORIHISA KATSUAKI
IPC分类号： B01D3/32 , B01D3/14 , B01D59/04 , B01J4/00
摘要： PURPOSE:To enable to take out a high boiling point component with a desired concn. by a method wherein a heating tank comminucated with an outer periphery immediately blow a mass exchange portion of a bottom or an interior of an exchange tower is provided in the vicinity of a bottom portion of said tower to prevent a stored substance in said tower and a product in a tower bottom from being mixed each other during stopping operation. CONSTITUTION:The vapor such as light water containing a minute amount of tritium water and a reflux liquid are contacted in a mass exchange portion 2 of a mass exchange tower 1 to be heat excchange and the tritium water with a high b.p. is lowered to a tower bottom portion 3 and, subsequently, flowed into a heating tank 4 through a partition valve 5 of a fine pipe 6. Herein, said tritium water is heated by heater 7 to be concentrated to a predetermined concn. and the concentrated tritium water is taken out through an opening and closing valve 8, a take-out pipe 9 of a high b.p. component concentrated liquid. During stopping of the operation, the electric current applied to the heater 7 of the heating tank 4 is stopped and the partition valve 5 of the fine pipe 6 is closed. As a result, the tritium water stored in the heating tank 4 and the fine pipe 6 is not mixed with light water and the desired concn. attained during operation is maintained.

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