B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
B08B 3/14 (2006.01) B08B 3/10 (2006.01) B08B 3/12 (2006.01) B08B 7/00 (2006.01) H01L 21/00 (2006.01) H01L 21/02 (2006.01) H01L 21/306 (2006.01)
Patent
CA 2232768
Disclosed is a method for using a high density compressed liquefied gas in cleaning applications, wherein a closed recycle system is employed in order to realize most effective and economical means without using any high pressure generating device. Also disclosed is a closed recycle system useful in the method. The closed recycle system, comprises: a pressure cleaning vessel (1) provided with a plurality of nozzles (3) for pre-cleaning, atmospheric containers (10) for expanding the compressed liquid (5), sound wave generators (12) and an agitator having an impeller (11) for strongly cleaning thereby; a pressure recovery vessel (14) provided at a lower portion than the pressure cleaning vessel (1) and having a detachable drain cylinder (16) suspended from a bottom of the pressure recovery vessel and also having a temperature regulator (15) for immediately receiving contaminated liquid already pre-cleaned from a pressure cleaning room by using function as a divided room; and a high density compressed liquefied gas supply cylinder (18) connected to the pressure recovery vessel (14) through communication with vapour therein for eliminating enriched liquid with contaminants through the drain cylinder (16) as well as removing and transferring solvent by the vapour occurred from the temperature regulator (15).
Arai Kunio
Inomata Hiroshi
Smith Richard Lee
Arai Kunio
Fetherstonhaugh & Co.
Shuzurifuresher Kaihatsu Kyodokumiai
LandOfFree
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