Title:
【発明の名称】弁または導管の清掃方法
Document Type and Number:
Japanese Patent JP2003503178
Kind Code:
A
Abstract:
Method of cleaning valves or lines through which hydrolysable polymers are transported at the operating temperature, in which, after the polymer stream has been shut off and the polymer has been evacuated as far as possible, steam is passed through the valves or lines to be cleaned while the operating temperature is maintained at plus/minus 10° C., with the steam being introduced via hydrolysis valves set in the wall of the valve housing or the lines and discharged via emptying apertures.
Inventors:
Finkeldai, Ferdinand
Schnauss, Walter
Schnauss, Walter
Application Number:
JP2001506038A
Publication Date:
January 28, 2003
Filing Date:
June 23, 2000
Export Citation:
Assignee:
Zimmer Age
International Classes:
B01J14/00; B08B3/10; B08B9/00; B08B9/02; B08B9/027; (IPC1-7): B08B9/027; B08B3/10
Attorney, Agent or Firm:
Tsuchiya Masaru