Impingement type solids collector discharge restrictor

Details Impingement type solids collector discharge restrictor Impingement type solids collector discharge restrictor

1989-02-21

1990-01-02

Hart, Charles

Gas separation

Residue access, handling or removing means

Separable collection container

55432, 55444, B01D 4500

Patent

active

048910520

ABSTRACT:
This invention pertains to a discharge restrictor secured to the lower end region of impingement members installed in the flue gas path of a circulating fluidized bed boiler. The discharge restrictor incorporates a pivotable baffle plate that prevents the flue gas from bypassing the impingement members yet allows the particles that are collected to gather in an adjacent storage hopper. The baffle plate is normally biased to block access to the storage hopper until a sufficient mass of particles collect on the baffle plate thereby overcoming this bias. In doing so, the plate temporarily pivots to the open position enabling the particles to advance towards the storage hopper.

REFERENCES:
patent: 2221073 (1940-11-01), Bubar
patent: 2768707 (1956-10-01), Campbell
patent: 3421666 (1969-01-01), Lawson
patent: 4759315 (1988-07-01), Chiou et al.

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