Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – Having adjuvant material feed
Patent
1975-11-05
1984-01-03
Bell, Paul A.
Metallurgical apparatus
Means for cutting solid metal with heat, e.g., blowpipes
Having adjuvant material feed
266 48, 285322, 285397, 285419, B23K 708
Patent
active
044238550
ABSTRACT:
Process and device for thermochemically drilling and separating SiO.sub.2 containing minerals by using such chemical compounds as fluxes in the combustion, which form in the melt silicates of low temperature melting range, primarily alkali metal silicates, the fluxes, mixed with catalysts and with metal powder serving as fuel, being passed through an oxygen lance or a core lance containing bundles of wires and ducts for passage of oxygen and flux at a high rate of speed, ignition being done semi-automatically or fully automatically. The use of the process and device according to the invention result in an increased effectiveness of the drilling and separation of the SiO.sub.2 containing minerals as compared to known thermochemical processes.
REFERENCES:
patent: 2327482 (1943-08-01), Aitchison et al.
patent: 3540757 (1970-11-01), Neher
patent: 3650515 (1972-03-01), Okui
patent: 3677515 (1972-07-01), Fassler
"Erfahrungen mit det Sauerstofflanze", by Kurt Boeckhaus, in Schweissen und Schneiden 1/6/54 pp. 102-105.
"Silizium und Siligiumverbindungen" in Chemie Fakten, 14, pp. 208-209.
Lingscheidt, G., "Thermisches Bohren und Pulverschmelzscheiden von Beton" in Der Praktiker, 12/73 pp. 286-289.
Slottman, G. V. & Roper, E. H. Oxygen Cutting First Edition, McGraw-Hill Book Co. 1951, pp. 143-145.
Bell Paul A.
Collard Allison C.
Galgano Thomas M.
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