System for protecting a heat-recovery boiler screen, and a metho

Details System for protecting a heat-recovery boiler screen, and a metho System for protecting a heat-recovery boiler screen, and a metho

1988-12-21

1990-06-19

Favors, Edward G.

Liquid heaters and vaporizers

Industrial

Port

29890034, 29890051, 110339, 122DIG13, 264 35, F22B 3700

Patent

active

049343220

ABSTRACT:
A system for protecting a heat-recovery boiler screen, in particular for waste incineration furnaces, said screen being formed by vertical tubes (1, 2) interconnected by welded fixing fins (3, 4, 5) disposed in cavities in refractory bricks (7) and provided with hooking means for refractory bricks. The screen includes windows (6) going through the fixing fins, each brick is provided with at least one hooking lug (8) whose axis is at an angle to the horizontal such that each brick is held suspended by its own weight in one or more windows of the corresponding screen, and the gaps remaining between the bricks, their hooking lugs, and the screen are filled with a refractory cement (9).

REFERENCES:
patent: 2368265 (1945-01-01), Shellenberger et al.
patent: 3675628 (1972-07-01), Seibold
patent: 4785769 (1988-11-01), Black

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