Title:
【発明の名称】洗浄溶剤回収装置
Document Type and Number:
Japanese Patent JPH07112522
Kind Code:
B2
Abstract:
PURPOSE:To recover solvent vapor of freon, etc., generated in a work-washing stage without discharging it to atmospheric air by liquefying the vapor by compression through a sucking line of the solvent vapor. CONSTITUTION:A vapor sucking line for solvent vapor is connected to an upper side part of a freon washing machine which performs work-washing with a solvent such as freon, etc. The sucking line 2 is connected to a high pressure cooling tower 4 via a compressor 3, and a first evaporator 5 for cooling and liquefying the solvent vapor is installed to almost a center of the inside of the high pressure cooling tower 4. A first vapor feeding pipe 9 is attached to the top of the high pressure cooling tower 4, and a high pressure adsorption tower 10 contg. active carbon is connected interposing the first vapor feeding pipe 9. A vacuum cooling tower 16 is connected to the top of the adsorption tower contg. the active carbon through a second vapor feeding pipe. By this process, recovered solvent vapor is liquefied by cooling by increasing the concn. of the recovered solvent vapor, so even such solvent vapor having low solvent concn. can be recovered and liquefied satisfactorily.
Inventors:
HORIMOTO TOSHIO
Application Number:
JP31465887A
Publication Date:
December 06, 1995
Filing Date:
December 12, 1987
Export Citation:
Assignee:
OOTSUKA GIKEN KOGYO KK
International Classes:
B01D5/00; B01D53/34; B01D53/44; B01D53/74; B05C11/10; (IPC1-7): B01D5/00; B01D53/44; B01D53/74; B05C11/10
Domestic Patent References:
| JP5123505A | ||||
| JP5134209A | ||||
| JP52150379A | ||||
| JP6148003U | ||||
| JP6144288U |
Attorney, Agent or Firm:
Yoshiaki Nagata