Ash melting furnace arrangement and method for supplying ash to

Details Ash melting furnace arrangement and method for supplying ash to Ash melting furnace arrangement and method for supplying ash to

1994-05-31

1996-03-05

Terrell, William E.

Classifying, separating, and assorting solids

With heat treatment

209 38, 209393, 73 73, B03B 100, B03C 130

Patent

active

054959489

ABSTRACT:
A dry sorting machine having a separating function for removing solids of more than a predetermined size from ash and a drying function for drying the ash, and a magnetic sorting machine for removing metals from the dried ash are arranged in a pretreatment route for the ash to be supplied to the furnace. Further, there is provided a drying air pipe for introducing the high-temperature air heat-recovered from exhaust gases discharged from the ash melting furnace into the dry sorting machine. Thus, by the dry sorting machine having the separating and drying functions, simplification of the ash pretreatment process and reduction of the installation space can be achieved.

REFERENCES:
patent: 4518699 (1985-05-01), Bohl
patent: 4669397 (1987-06-01), Galgana et al.
patent: 4804147 (1989-02-01), Hooper
patent: 4938864 (1990-07-01), Frazier et al.
patent: 5032255 (1991-07-01), Jauncey
patent: 5108589 (1992-04-01), Sherman
"Melting Technique for Incinerated Ash and Others; The Status Quo and the Subject" issued by Japan Waste Research Foundation in Apr. 1994 (Extract).
"Melting Technique of Incinerated Residuum; Status quo and Subject" Journal Solid & Liquid Wastes, vol. 23, No. 5, pp. 92-107, published by Kankyo Sangyo Shinbunsha in May 1993.

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