Title:
TREATING DEVICE FOR WASTE
Document Type and Number:
Japanese Patent JP3216294
Kind Code:
B2
Abstract:
PURPOSE: To provide a waste treating device which treats waste so as to recycle the useful materials therein as far as possible and takes recovery of plastics particular into consideration.
CONSTITUTION: The waste treating device for crushing the waste and fractionating and recovering metals, etc., is successively provided with a first classifying device 8, a cooler 10 and a crushing machine 11 for selectively crushing the plastics by utilizing the embrittlement characteristics at a low temp. of the plastics, and a second classifying device 12 behind a metal fractionating device and is further provided with a screening device for plastics consisting of a sp. gr. screening device 13 for further fractionating the smaller waste of the waste classified by the first classifying device 8 and the second classifying device 12. The first classifying device 8 which classifies the waste to three kinds; large, middle and small and supplies the large waste to the cooler 10 and the waste of about the middle sizes together with the smaller crushed matter classified by the second classifying device 12 to the sp. gr. screening device is more effective.
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Inventors:
Masakatsu Hayashi
Yoshiyuki Takamura
Tsutomu Hasegawa
Yoshiyuki Takamura
Tsutomu Hasegawa
Application Number:
JP1338593A
Publication Date:
October 09, 2001
Filing Date:
January 29, 1993
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
B03B7/00; B03B9/06; B07B9/00; B09B5/00; B03B5/30; (IPC1-7): B09B5/00; B03B5/30; B03B7/00; B03B9/06; B07B9/00
Domestic Patent References:
| JP63276509A | ||||
| JP5338172A | ||||
| JP56106824A | ||||
| JP5147040A |
Attorney, Agent or Firm:
Yasuo Sakuta