Cullet preheater

Details Cullet preheater Cullet preheater

1987-07-29

1989-01-10

Yuen, Henry C.

Heating

Shaft type

432 96, 432 97, 432 99, F27B 1500

Patent

active

047970928

ABSTRACT:
A preheater for cullet is disclosed, in which hot gas coming from a hot supply duct can be passed through the cullet while yielding heat to the latter and can be carried away through a hot gas exhaust duct. The cullet is guided between guiding walls forming a cullet shaft and permitting gas entry as well as gas exit. Means are provided for repeatedly moving at least one of the guiding walls (23, 24,25,26) laterally relative to another guiding wall (23-26) so as to change the spacing between them.

REFERENCES:
patent: 2597585 (1952-05-01), Howard
patent: 2996292 (1961-08-01), Graf et al.
patent: 3544096 (1970-12-01), Buchner
patent: 4007014 (1977-02-01), Mastumoto
patent: 4149844 (1979-04-01), Noyes
patent: 4249891 (1981-02-01), Noyes et al.
patent: 4254221 (1981-03-01), Beckenbach
patent: 4473352 (1984-09-01), Sunoda et al.
patent: 4668184 (1987-05-01), Dorman

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