Apparatus for removing oversize from the hot material discharged

Details Apparatus for removing oversize from the hot material discharged Apparatus for removing oversize from the hot material discharged

1986-08-01

1987-07-14

Yuen, Henry C.

Heating

Tumbler-type rotary - drum furnace

Having work or work atmosphere feed or discharge structure

432 77, 432 79, 110222, F27B 732

Patent

active

046800093

ABSTRACT:
The discharge end of the rotary kiln (24) is surrounded by and gas-tightly sealed to a stationary kiln head (2), which contains a rigid, cooled, inclined grate (1). A container (3) for collecting oversize is mounted on the kiln head (2) and is provided at its discharge end with a gate valve (4). The collecting container (3) is surrounded by and gas-tightly sealed to an outer container (5) and is provided with a gas-tight flap valve (6) and with a fitting (7) for a gas-tight connection to a transport container (8). Under the grate (1) the kiln head (2) constitutes a buffer bin (9) for the particles falling through the grate. The buffer bin (9) is succeeded by a batching bin (10), which is provided with a gas-tight upper shutoff valve (11). On its discharge side, the batching bin (10) is provided with a gas-tight lower shutoff valve (12) and with a fitting (13) for a gas-tight connection to a transport container (14). The volume of the batching bin (10) is smaller than the volume of the transport container (14).

REFERENCES:
patent: 2225283 (1940-12-01), Voigtlaender et al.
patent: 3427367 (1969-02-01), Jean-Pierre
patent: 3584587 (1971-06-01), Siraccusa
patent: 3589313 (1971-06-01), Smith et al.
patent: 3831291 (1974-08-01), Kayatz
patent: 4076493 (1978-02-01), Gandner
patent: 4141154 (1979-02-01), Buchner
patent: 4629421 (1986-12-01), Kreisberg et al.

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