Patents Assigned to Osaka Gas Limited
  • Patent number: 5062926
    Abstract: The solvent recovery apparatus includes an adsorption tower having a gas adsorption element; a gas supply pipe for supplying a solvent-containing gas to the adsorption tower; a steam supply pipe for supplying steam to the adsorption tower; and a solvent recovery pipe for recovering a removed solvent. Disposed at the solvent recovery pipe are a condenser and a specific-gravity separating unit for recovering a liquefield solvent. An intermediate liquid storing unit is disposed between the condenser and the specific-gravity separating unit, and has a valve adapted to be automatically opened when the intermediate liquid storing unit stores a liquid of which amount exceeds a preset value, so that the liquid flows into the specific-gravity separating unit. With this solvent recovery apparatus, organic solvent gas or flon gas may be recovered.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: November 5, 1991
    Assignees: Osaka Gas Limited, Asahi Seisakusho Company Limited
    Inventors: Takeshi Maeda, Hiroshi Kawaguchi, Harukazu Yamaguchi, Hitoshi Sakai, Akio Ando, Yasuo Matsushita, Tetsuya Takemoto