Lining a furnace with a refractory material

Details Lining a furnace with a refractory material Lining a furnace with a refractory material

1987-03-05

1988-09-27

Favors, Edward G.

Liquid heaters and vaporizers

Industrial

Port

110264, 110336, 110338, F22B 3700

Patent

active

047733560

ABSTRACT:
A cyclone furnace for a pulverized fuel boiler comprises a casing enclosing a cage of water tubes and having studs extending inwardly from each of the water tubes. Refractory tiles line the inside of the furnace, each fitted over a stud and secured in place thereby protecting the water tubes from the intense corrosion and abrasion. The furnace has three sections in which the design of the tiles vary. In the neck section the joints of the tiles are straight, in the barrel section they are curved and sympathetic to the gas flow and in the re-entrant throat the joints are shiplapped or rebated. Although the tiles may be generally rectangular in all sections, they are preferably hexagonal in the barrel.

REFERENCES:
patent: 3039406 (1962-06-01), Aref
patent: 3771467 (1973-11-01), Sweet
patent: 3850146 (1974-11-01), Graham et al.
patent: 4086740 (1978-05-01), Ahnett
patent: 4086740 (1978-05-01), Annett
patent: 4241232 (1980-12-01), Gelsing
patent: 4473014 (1984-09-01), Dejanovich
patent: 4539919 (1985-09-01), Bossetti
patent: 4651487 (1987-03-01), Nisaikawa

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