Title:
CLEANING METHOD FOR SEWAGE FACILITY
Document Type and Number:
Japanese Patent JP2005133515
Kind Code:
A
Abstract:
To provide a cleaning method for a sewage facility quite economical and excellent in convenience and practical use, in which a blasting material made mostly from sodium bicarbonate is adapted, so that labor and cost in recovery and disposal can be reduced and also that acidification generated by sulfuric acid particular to the sewage facility can be suppressed.
A method for cleaning a concrete section of the sewage facility is to high-pressure jet the blasting material 1 made mainly from sodium bicarbonate to a corroded and deteriorated part of the concrete section corroded by the sulfuric acid, so as to remove, exfoliate or clean the corroded and deteriorated part.
Inventors:
SAKURAI SHIGERU
WAKANA YOSHIO
SHINTO TETSUO
HONMA HIDEKI
YOKOYAMA MASATOSHI
SAITO HIROYUKI
NAGAHARA TSUKASA
WAKANA YOSHIO
SHINTO TETSUO
HONMA HIDEKI
YOKOYAMA MASATOSHI
SAITO HIROYUKI
NAGAHARA TSUKASA
Application Number:
JP2003373586A
Publication Date:
May 26, 2005
Filing Date:
October 31, 2003
Export Citation:
Assignee:
ASAHI GLASS CO LTD
KOWA CO
KOWA CO
International Classes:
E03F9/00; B24C1/04; B24C11/00; (IPC1-7): E03F9/00; B24C1/04
Attorney, Agent or Firm:
Tsuyoshi Yoshii
Masae Yoshii
Masae Yoshii
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