Title:
【発明の名称】フィルター組立体の洗浄装置および洗浄方法
Document Type and Number:
Japanese Patent JPH072204
Kind Code:
B2
Abstract:
Disclosed is an apparatus which has the capability of cleaning a waste or used filter assembly with a broad spectrum of chemical agents in an automated fashion. The cleaning apparatus comprises a cleaner vessel for accommodating the filter assembly to carry out triethylene glycol cleaning, sodium hydroxide cleaning, nitric acid cleaning and water washing in a predetermined cleaning sequence. First to fourth reservoirs communicate with the cleaner vessel through their corresponding pipelines to feed such chemical detergent liquids as triethylene glycol solution, sodium hydroxide solution, nitric acid solution and pure water into the vessel. The detergent liquids will circulate within the cleaning vessel by means of a stream generator, whereby the filter assembly can be cleaned to a higher degree of detergency.
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Inventors:
Park Jongbun
Zheng Zhang
Kure Ikuo
Liu Sawa
Zheng Zhang
Kure Ikuo
Liu Sawa
Application Number:
JP5408493A
Publication Date:
January 18, 1995
Filing Date:
March 15, 1993
Export Citation:
Assignee:
SK Co., Ltd.
International Classes:
B01D41/04; B08B3/08; C11D7/26; (IPC1-7): B01D41/04; B08B3/08; C11D7/26
Attorney, Agent or Firm:
Keiji Saki (2 outside)
Next Patent: METHOD AND DEVICE FOR SHRINK FILM WRAPPING