Fluent material handling – with receiver or receiver coacting mea – Processes – Battery grid pasting
Patent
1992-03-19
1994-02-08
Jacyna, J. Casimer
Fluent material handling, with receiver or receiver coacting mea
Processes
Battery grid pasting
141 5, 141 67, 141248, 141 45, 141 95, 141192, 141286, 141290, 44626, 414160, 414287, 48 86R, 48210, 48DIG4, B65B 104
Patent
active
052841871
ABSTRACT:
The present invention relates to a method for treating powdered coal in a solid-fuel injection installation. Such an installation comprises a powdered coal storage bunker, at least one lock connected to the circuit for pneumatically transporting the coal, at least one filtering screen connected between each lock and the bunker, a pressurized inert-gas source for pressurizing each lock and forming the pneumatically propelled flow of the coal and a circuit for pressure-equalizing and depressurizing each lock through a filter. According to the present invention, the major portion of the inert gas for depressurizing each lock is subjected to a filtering operation before being injected through the bottom of the storage bunker into the mass of coal and being discharged through a filter at the top of the bunker. The residual portion of the inert depressurizing gas is shunted directly towards the top of the storage bunker. The present invention also relates to a device for implementing the method.
REFERENCES:
patent: 3775071 (1973-11-01), Hoffert et al.
patent: 3994701 (1976-11-01), Schweimanns
patent: 4153427 (1979-05-01), Bissett et al.
patent: 4593727 (1986-06-01), Ulveling
patent: 4702288 (1987-10-01), Ulveling et al.
Jacyna J. Casimer
Paul Wurth S.A.
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