Heat exchange – With coated – roughened or polished surface
Patent
1979-01-29
1980-08-19
Richter, Sheldon
Heat exchange
With coated, roughened or polished surface
165134R, 165180, 165DIG8, 266193, F28F 1906, F28F 702, C21B 710
Patent
active
042179548
ABSTRACT:
A cooling plate for a furnace for use in metallurgical plants made of cast iron with steel tubes therein for carrying a cooling agent, wherein the tubes have a jacket of one or more layers on the outside thereof, the first layer being a carbide-stabilizing metal and the other layers being thermally resistant metal oxides or mixtures of metal oxides and alloys of metals. The tubes are resistant to carburization and provide improved heat transmitting properties.
REFERENCES:
patent: 2707096 (1955-04-01), Koopmans
patent: 3706343 (1972-12-01), Saiga et al.
patent: 3853309 (1974-12-01), Widmer
patent: 4004790 (1977-01-01), Krol et al.
patent: 4150818 (1979-04-01), Buhler et al.
Gutehoffnungshutte Sterkrade Aktiengesellschaft
Richter Sheldon
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