Fluid bed nozzle retainer

Details Fluid bed nozzle retainer Fluid bed nozzle retainer

1980-01-10

1981-06-30

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With apparatus using centrifugal force

34 57A, 52586, 432 58, F26B 1710

Patent

active

042755093

ABSTRACT:
A wear resistant plate is secured to the surface of a refractory grid of a fluid bed apparatus to both improve the wear life of the refractory grid and to serve as a means for retaining the fluidizing air nozzles in place. Anchor bolts or studs are embedded in the refractory material. These can be either embedded in cast refractory during the casting process or in the case of factory fired refractory bricks, T-shaped grooves are formed in the sides of the bricks. Wear resistant plates are then secured to the surface of the refractory by using the anchor bolts and suitable fasteners. The wear resistant plates have openings therethrough which are aligned with but larger than the fluidizing air holes in the refractory grid. The fluidizing air holes through the grid have nozzles positioned therein. These nozzles are secured to the grid by using a fastener arrangement to releasably secure the nozzles to the wear resistant plate or by shaping the wear resistant plate to act as a fastener.

REFERENCES:
patent: 1574946 (1926-03-01), Stevens
patent: 3170420 (1965-02-01), Palacio

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