Hot-blast furnace with foamed silicate inner layer

Details Hot-blast furnace with foamed silicate inner layer Hot-blast furnace with foamed silicate inner layer

1976-02-05

1977-05-10

Camby, John J.

Heating

Heat generating means heats heat storage mass of solid material

110 1A, C21B 900, C21B 906

Patent

active

040225720

ABSTRACT:
A hot-blast furnace of the type including an outer metal casing and an inner lining of insulating and refractory material has therebetween a layer of foamed glass or foamed silicate material having a structure of closed pores or small cells which are closed in an air tight manner to each other. The layer prevents passage of gas, during operation of the furnace, to the inner surface of the outer metal casing.

REFERENCES:
patent: 3528647 (1970-09-01), Hyde
patent: 3625494 (1971-12-01), Allen
patent: 3832815 (1974-09-01), Balaz et al.
patent: 3859040 (1975-01-01), Shefsiek

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