Title:
SEPARATION METHOD OF EARTH AND SAND FROM SLUDGE AND SLUDGE SEPARATION EQUIPMENT MAKING USE THEREOF
Document Type and Number:
Japanese Patent JP3741431
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To directly and efficiently separate earth and sand component of any particle size without using a crushing process.
SOLUTION: A sludge tank 5 equipped with a foldable chute 5a is slantly provided above a deck with a predetermined height, an upper opened water storage tank 7 is provided below the chute 5a, an underwater pump 8 equipped with an injection nozzle 8a is provided inside of the water storage tank 7, a hanging up and down device 9 equipped with a hoist 9c is provided upward of the water storage tank 7, and a net cage 10 of a stainless steel-made wire net is suspended to the hoist 9c in the water storage tank 7 with a wire in a liftable manner.
Inventors:
Eiji Sakai
Naoto Tokieda
Ohara Hideaki
Masataka Sakakibara
Naoto Tokieda
Ohara Hideaki
Masataka Sakakibara
Application Number:
JP2002370631A
Publication Date:
February 01, 2006
Filing Date:
December 20, 2002
Export Citation:
Assignee:
Alpha Civil Engineering Co., Ltd.
International Classes:
E21D9/13; B01D29/11; E02F7/00; E21D9/06; (IPC1-7): E21D9/06
Domestic Patent References:
| JP9095969A | ||||
| JP60112311U | ||||
| JP2002021471A | ||||
| JP2002129889A | ||||
| JP2002186877A | ||||
| JP2000160982A |
Attorney, Agent or Firm:
Shoshiro Toshima