Shredder dust processing method and processing device for same

Abstract

A shredder dust treatment method is provided wherein non-metal dust which is further pulverized into a small particle size in a pulverizing step S 10 through a crushing step S 1 of crushing wastes such as waste automobiles, waste home appliances, and waste office furniture into a predetermined size, an iron component separation and collection step S 3 of separating and collecting an iron component, a non-ferrous component separation and collection step S 4 of separating and collecting a non-ferrous component, a metal component separation and collection step S 5 of sorting a metal component, wind power sorting steps S 2 , S 6 , S 8 , and S 9 of sorting floating fibrous dust and a settled crushed material by wind power, and a shredding step S 7 of shredding the settled crushed material into a predetermined size is separated into metal scraps such as copper, aluminum, and iron, fibrous dust, and particulate dust in a separating step S 11.

1 . A waste treatment method comprising:
 a first crushing step (S 1 ) of crushing wastes;   a separation and collection step (S 2 ) of separating and collecting fibrous dust from a first crushed material;   a separation and collection step (S 3 , S 4 , S 5 ) of separating and collecting metal from a first crushed material;   a separation and collection step (S 6 ) of separating and collecting fibrous dust from a first crushed material; and   a second crushing step (S 7 ) of crushing a first crushed material.   
     
     
         2 . The waste treatment method according to  claim 1 , further comprising:
 a separation and collection step (S 8 ) of separating and collecting fibrous dust from a second crushed material.   
     
     
         3 . The waste treatment method according to  claim 2 , further comprising:
 a third crushing step (S 10 ) of crushing a second crushed material after the separation and collection step (S 8 ) of separating and collecting the fibrous dust from the second crushed material.   
     
     
         4 . The waste treatment method according to  claim 3 , further comprising:
 a separation and collection step (S 11 ) of separating and collecting fibrous dust and particulate dust from a third crushed material after the third crushing step (S 10 ).   
     
     
         5 . The waste treatment method according to  claim 3 , further comprising:
 a separation and collection step (S 12 , S 13 , S 31 , S 32 ) of separating and collecting metal from a third crushed material after the third crushing step (S 10 ).   
     
     
         6 . The waste treatment method according to  claim 4 , further comprising:
 fueling of the fibrous dust and the particulate dust.   
     
     
         7 . The waste treatment method according to  claim 1 , wherein
 the wastes are waste automobiles, waste home appliances, waste office furniture, waste electric wires, or shredder dust obtained by crushing those.   
     
     
         8 . The waste treatment method according to  claim 3 , wherein
 the waste is crushed into 25 mm or less in the first crushing step;   a first crushed material is crushed into 8 mm or less in the second crushing step; and   a second crushed material is crushed into 6 mm or less in the third crushing step.   
     
     
         9 . A waste treatment device comprising:
 a first crusher ( 10 ) for primary crushing wastes;   a first separator and collector ( 20 ) for separating and collecting fibrous dust from a first crushed material;   a metal collector ( 30 ,  40 ,  50 ,  60 ) for separating and collecting metal from a first crushed material;   a second separator and collector ( 70 ) for separating and collecting fibrous dust from a first crushed material;   a second crusher ( 80 ) for secondly crushing a first crushed material;   a third separator and collector ( 20 ) for separating and collecting fibrous dust from a second crushed material; and   a third crusher ( 100 ) for thirdly crushing a second crushed material.   
     
     
         10 . The waste treatment device according to  claim 9 , wherein
 a shape of a blade of the first crusher is square, and a triangular part which is a half-shaped of square is used.   
     
     
         11 . The waste treatment device according to  claim 9 , wherein
 the first separator and collector and the third separator and collector are dust collectors.   
     
     
         12 . The waste treatment device according to  claim 9 , wherein
 the second separator and collector is a wind power sorting device.   
     
     
         13 . The waste treatment device according to  claim 9 , wherein
 the third crusher is a turbo mill.