Sealing device useful for providing air-seal self-controlled dis

Details Sealing device useful for providing air-seal self-controlled dis Sealing device useful for providing air-seal self-controlled dis

1996-06-07

1999-11-16

Walberg, Teresa

Heating

Shaft type

432 96, 432 97, 432 98, 432101, 432239, 432242, 110101CD, 110165R, F27D 108

Patent

active

059846712

ABSTRACT:
This invention relates to a sealing device useful for attachment to a process equipment such as vertical shaft kiln (VSK) for providing air-seal self-controlled discharge of product from the said equipment, which comprises a chamber (1) having at its top end an inlet (3) with flange (2) for fitting to the discharge chute of a process equipment and a discharge outlet (16) at its bottom end, the said chamber being provided with a partition wall (4) having an inlet gate (5) & a discharge gate (6) hinged to its top & bottom respectively, the free ends of the hinged gates being such as to sit on means (7) and (8) to provide air seal, means (9,10,11,12,13,14,15,17,18,19,20& SOL) being provided for simultaneous operation of the inlet & discharge gates, the said means [9(a) & (b) and SOL] being connected to a control circuit for actuating the movement of the gates, the discharge outlet being fitted onto a volumetric discharge unit (21) provided with means (22) for measuring the quantity of product discharge.

REFERENCES:
patent: 3822657 (1974-07-01), Midkiff
patent: 3933103 (1976-01-01), Mikkelsen
patent: 4445628 (1984-05-01), Cain
patent: 4513671 (1985-04-01), Eshleman
patent: 4697532 (1987-10-01), Furukawa et al.
patent: 5595482 (1997-01-01), Parsons

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