The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 29, 1997
Filed:
Aug. 10, 1995
Masahiro Iji, Chiba-ken, JP;
Masami Yoda, Kanagawa-ken, JP;
Shin Suzuki, Tokyo, JP;
Kaoru Ishizuka, Tokyo, JP;
Sotoo Kubo, Tokyo, JP;
Isao Yamaki, Tokyo, JP;
Toshikuni Hashimoto, Saitama-ken, JP;
Chemical Grouting Co., Ltd., Tokyo, JP;
Front Engineering Co., Ltd., Tokyo, JP;
Kurita Water Industries Ltd., Tokyo, JP;
Shoeisangyo Corporation, Tokyo, JP;
Abstract
Sludge which is supplied from an untreated sludge tank 3 and diluting water from a diluting water supply facility 14 is charged into a continuous kneading mixer 12 for diluting the sludge to make the specific weight of the sludge 1.15 to 1.35. The diluted sludge is supplied to a dehydrating machine 25 in accordance with the capacity of the used dehydrating machine 25. The diluted sludge is firstly added with an inorganic flocculating agent G and is mixed in a first blender 24A and is then added with a high molecular flocculating agent G2 and is mixed in a second blender 24B. Thereafter, the sludge is supplied to a belt press dehydrating machine 25 in which it is subjected to a dehydrating treatment.