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AssigneeEbara Corporation
InventorsYukiko Nishioka, Ichiro Kamiya, Ryoichi Shinjo, Yoshihiro Ishii, Koichi Kosaka
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The present invention provides a method for deodorizing and refreshing petroleum group solvent used in a dry cleaning apparatus, and a dry cleaning apparatus using such a method, which can maintain the circulating solvent in a fresh condition for a long time, eliminate a bad smell of the solvent, provide highly stable cleaning ability and good cleaning finish, and prevent ignition and explosion of the solvent to ensure safety. In the dry cleaning apparatus, the petroleum group solvent in a solvent storage tank 2 is pumped by a circulating pump 5, is supplied to a cleaning bath 8 through a filter 6 and carbon absorbent 7 and then is returned from the cleaning bath 8 to the solvent storage tank 2 through a button trap 3, and an ozone generating device 10 is provided for generating ozone gas and a diffuser 11 for pouring the ozone gas produced by the ozone generating device 10 Into the petroleum group solvent as fine bubbles are arranged to be contacted with a bottom surface of the solvent storage tank 2 or the button trap 3.
A dry cleaning apparatus wherein a cleaning bath, a storage tank for storing cleaning petroleum group solvent, a circulating pump, a filter and absorbent are successively connected through a solvent circulating path, and the petroleum group solvent in said storage tank is pumped by said circulating pump, is supplied to said cleaning bath through said filter and said absorbent, and then is returned from said cleaning bath to said storage tank, and characterized in that:
Dependencies are inferred from the claim text.