US1163234A - Apparatus for continuous smelting of sulfid ores. - Google Patents

Apparatus for continuous smelting of sulfid ores. Download PDF

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Publication number
US1163234A
US1163234A US82736714A US1914827367A US1163234A US 1163234 A US1163234 A US 1163234A US 82736714 A US82736714 A US 82736714A US 1914827367 A US1914827367 A US 1914827367A US 1163234 A US1163234 A US 1163234A
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smelting
continuous smelting
sulfid ores
ores
sulfid
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US82736714A
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Gustaf Haglund
Anton Groenningsaeter
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00—Refining of pig-iron; Cast iron

Definitions

  • This invention relates to the smelting of sulfid ores and has for its object an apparatus for carrying out such smelting by means of which considerable advantages are obtained over the apparatus heretofore employed for the same purpose.
  • the characteristic feature of the present apparatus is that it constitutes a combination of a converter with a blast furnace, the whole apparatus being mounted like a converter so that it can be tilted.
  • Figure l is a vertical section at right angles to the axis of rotation.
  • Fig. 2 is partly a front elevation and partly a section through the axis of rotation.
  • the apparatus is shown as a blast furnace (1) with its ordinary arrangement of twyers (4t) and the bottom part (2) shaped like a converter with its arrangement of twyers for blowing air into the molten material (3).
  • the whole apparatus is mounted on rollers and revoluble.
  • Another necessary feature of the construction is the outlet for slag and matte, which must be arranged in such a way that the blast is trapped and forced to find its way out through the column of ore in the blast furnace part of the furnace.
  • the furnace When the furnace needs to be heated up more converting is done and when it needs to be cooled off the converting may be stopped partly or wholly as desired, but the furnace is kept smelting continually, the only diflerence being that the matte produced may be more or less concentrated. If too little fuel is contained in the ore, coke can be added in sufficient quantity for the smelting, allowing the grade of matte to be kept down as low as desirable for obtaining a clean slag.
  • the apparatus above described is suitable for smelting sulfid ores which heretofore have baffled all efforts to use the heat value of the sulfur and iron contained in the ore itself for the purpose of smelting the same,
  • An apparatus for the continuous smelting of sulfidores comprising a tilting converterlike bottom part having twyers for blowing air into the molten bath, and an outlet for the molten material consisting of an outside lip and a submerged opening, and a blast-furnace-like upper part having twyers for blowing air into the, charge, said parts being integral and adapted to be tilted as a unit.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Description

G. HAGLUND & A. GRUNNlNGS/ETER.
APPARATUS FOR commuous SMELTING 0F sumn OHES.
APPLICATION FILED MAR.26. 19M.
1,163,234. Patented Dec. 7, 1915.
Fig. 2.
fikla @211 COLUMD A PLANOGRAPH CO WASHINGTON D c GUSTAF HAGLUND AND'ANTO1\l GRONNINGSETER, OF CHRISTIANSSAND, NORWAY.
APPARATUS FOR CONTINUOUS SMELTING OF SULFID- ORES.
Specification of Letters Patent.
Patented Dec. 7, 1915.
Application filed March 26, 1914. Serial No. 827,367.
To all whom it may concern:
Be it known that we, GUsTAr HAGLUND, a subject of the King of Sweden, and ANTON Gnonmnosrn'rnn, a subject of the King of Norway, both residing at Christianssand, Norway, have invented certain new and useful Improvements in Apparatus for Continuous Smelting of Sulfid Ores; and we do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.
This invention relates to the smelting of sulfid ores and has for its object an apparatus for carrying out such smelting by means of which considerable advantages are obtained over the apparatus heretofore employed for the same purpose.
The characteristic feature of the present apparatus is that it constitutes a combination of a converter with a blast furnace, the whole apparatus being mounted like a converter so that it can be tilted.
One form of the apparatus is illustrated on the accompanying drawing in which Figure l is a vertical section at right angles to the axis of rotation. Fig. 2 is partly a front elevation and partly a section through the axis of rotation.
In the construction illustrated on the drawing the apparatus is shown as a blast furnace (1) with its ordinary arrangement of twyers (4t) and the bottom part (2) shaped like a converter with its arrangement of twyers for blowing air into the molten material (3).
The whole apparatus is mounted on rollers and revoluble. Another necessary feature of the construction is the outlet for slag and matte, which must be arranged in such a way that the blast is trapped and forced to find its way out through the column of ore in the blast furnace part of the furnace.
This is done by arranging the taphole (5)' with the outside lip (7) and the front wall (6) submerged under an imaginary line drawn between the center line of the lower twyers (3) and the top of the lip (7). A. furnace like this must necessarily have its converter part lined with basic material such as magnesia brick, but with the use of such material follows the necessity of being able to cool the charge and prevent the temperature of the bath to rise to the critical point above which the basic lining is destroyed. This control of the temperature is now accomplished by using the two sets of twyers in the correct proportion to each other. When the furnace needs to be heated up more converting is done and when it needs to be cooled off the converting may be stopped partly or wholly as desired, but the furnace is kept smelting continually, the only diflerence being that the matte produced may be more or less concentrated. If too little fuel is contained in the ore, coke can be added in sufficient quantity for the smelting, allowing the grade of matte to be kept down as low as desirable for obtaining a clean slag.
The apparatus above described is suitable for smelting sulfid ores which heretofore have baffled all efforts to use the heat value of the sulfur and iron contained in the ore itself for the purpose of smelting the same,
at the same time having better in hand than before the regulating of the grade of matte.
7e claim:
An apparatus for the continuous smelting of sulfidores, comprising a tilting converterlike bottom part having twyers for blowing air into the molten bath, and an outlet for the molten material consisting of an outside lip and a submerged opening, and a blast-furnace-like upper part having twyers for blowing air into the, charge, said parts being integral and adapted to be tilted as a unit.
In testimony that we claim the foregoing as our invention, we have signed our names in presence of two subscribing witnesses.
G. HAGLUND. ANTON GRONNINGSETER.
Witnesses:
H. PETTERsEN, P. BIRKELAND.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.
Washington, D. G.
US82736714A 1914-03-26 1914-03-26 Apparatus for continuous smelting of sulfid ores. Expired - Lifetime US1163234A (en)

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