C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/324, 23/384
C01B 25/027 (2006.01) F27D 17/00 (2006.01)
Patent
CA 1065582
ABSTRACT An installation for the production of yellow phosphorus comprises an electrothermal furnace and an apparatus for pre- liminary melting of phosphate quartzite charge. This apparatus communicates with the bath of the electrothermal furnace via a melt collector and a liquid seal. Said apparatus and the melt collector comprise a pipe unit forming an evaporator circuit. Electrodes are arranged in the electrothermal furnace in such a manner that the first electrode in the direction of flow of melt from the collector to the furnace is located opposite to the liquid seal. A process for the production of yellow phospho- rus effected in the/above-described installation comprises melt- ing in the apparatus for preliminary melting phosphates with a grading not larger than 10 mm and quartzite comminuted into flour, concurrent defluorination of the melt by treating it in a thin layer with overheated steam obtained from moisture con- tained in fuel combustion products and feeding the defluorinated melt into the electrothermal furnace. At the same time, three- component lump charge containing phosphates, quartzite and a re- ducing agent is fed into the electrothermal furnace, and com- minuted reducing agent is also introduced under pressure in the layer of melt. The reduction of yellow phosphorus is ef- fected in the electrothermal furnace.
233083
Belov Vladimir N.
Ershov Vadim A.
Jumanova Ljudmila V.
Rozenberg Evgeny K.
Shipov Emmanuil I.
Leningradsky Gosudarstvenny Nauchno-Issledovatelsky I. Proektny
Proizvodstvennoe Obiedinenie Po Tekhnicheskomu Obsluzhivaniju I.
Uralsky Nauchno-Issledovatelsky Khimichesky Institut S. Opytnym
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