DE580142C - Furnace for the direct production of steel from ores - Google Patents
Furnace for the direct production of steel from oresInfo
- Publication number
- DE580142C DE580142C DEH130722D DEH0130722D DE580142C DE 580142 C DE580142 C DE 580142C DE H130722 D DEH130722 D DE H130722D DE H0130722 D DEH0130722 D DE H0130722D DE 580142 C DE580142 C DE 580142C
- Authority
- DE
- Germany
- Prior art keywords
- furnace
- ores
- hearth furnace
- rotary kiln
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Description
Ofenanlage zur unmittelbaren Erzeugung von Stahl aus Erzen Es ist bekannt, daß die Abgase von metallurgischen Ofen, in welchen durch den im Eisensumpf enthaltenen Kohlenstoff Erze reduziert werden und der Kohlenstoff, getragen durch ein ßlasmittel, ergänzt wird, noch eine hohe Reduktionskraft besitzen. Es ist auch bekannt, diese Gase durch einen Drehofen zu leiten, in dem Erze und Kalk vorgewärmt und reduziert werden. Erz und Kalk fallen dabei aus dem Drehofen unmittelbar auf den Schmelzherd, und zwar in dem durch die Betriebsweise des Drehofens bedingten Umfang.Furnace plant for the direct production of steel from ores It is known that the exhaust gases from metallurgical furnace, in which by the in the iron sump contained carbon ores are reduced and the carbon carried by an ßlasmittel, supplemented, still have a high reducing power. It is also known to pass these gases through a rotary kiln in which ores and lime are preheated and be reduced. Ore and lime fall directly from the rotary kiln the melting hearth, namely in the one caused by the operating mode of the rotary kiln Scope.
Bei der Durchführung solcher direkter Stahlerzeugungsverfahren aus Erzen hat sich nun gezeigt, daß es notwendig ist, die Erze in ganz gewissen Zeitpunkten und ganz bestimmten Abständen aufzugeben und -möglichst gleichmäßig auf das Bad zu verteilen.When performing such direct steelmaking processes Ores has now shown that it is necessary to use the ores at very specific times and at very specific intervals and as evenly as possible in the bathroom to distribute.
Erfindungsgemäß wird daher zwischen Drehofen und dem angeschlossenen Weiterverarbeitungsofen, z. B. Herdofen, ein Behälter eingeschaltet, in dem das vorreduzierte Erz mit dem vorgewärmten Kalk vor dem Einsetzen in den Herdofen angesammelt wird. Aus diesem Behälter kann alsdann, den Betriebserfordernissen des Herdofens entsprechend, die Beschickung in kleineren Einzelmengen entnommen und in dem Herdofen durch die verschiedenen Türen gleichmäßig über-.den ganzen Herd verteilt werden. ' In der beiliegenden Zeichnung ist ein Ausführungsbeispiel des Behälters in Verbindung mit Drehofen und Herdofen dargestellt. Abb. I zeigt den Längsschnitt, Abb. a den Querschnitt durch die Betriebsanlage und Abb. 3 die Ansicht der Einsatzseite des Herdofens mit den Einsatztüren.According to the invention, therefore, between the rotary kiln and the connected Processing furnace, e.g. B. stove, a container switched on in which the Pre-reduced ore is accumulated with the preheated lime prior to placing in the hearth furnace will. This container can then be used to meet the operational requirements of the hearth furnace accordingly, the feed is removed in smaller individual quantities and placed in the hearth furnace be evenly distributed over the entire stove through the various doors. In the accompanying drawing, an embodiment of the container is in connection shown with rotary kiln and hearth furnace. Fig. I shows the longitudinal section, Fig. A the Cross-section through the plant and Fig. 3 the view of the insert side of the Hearth furnace with the insert doors.
Die Erze nebst Zuschlägen werden vermittels einer Aufgabevorrichtung I in den Drehrohrofen a aufgegeben. Von diesem Drehrohrofen gelangen die durch die Abgase des Herdofens 3 vorgewärmten und vorreduzierfen Erze samt Kalk in den Behälter 4. Der Behälter .4 ist mit dem Herdofen 3, gegebenenfalls unter Verwendung von wasserdurchflossenen Kühlrahmen, derart verbunden, daß die Abgase des Herdofens durch den Behälter 4 in den Drehofen a gelangen. Am Fußende des Behälters 4 befindet sich ein wassergekühlter Schieber 5, der dazu dient, die Beschickung für den Herdofen in gewünschter Weise zu entnehmen. Die Beschickung gelangt durch den wassergekühlten Schieber 5 in die Chargiermulde 6. Die Mulde 6 wird mit einer Chargiermaschine je nach Belieben in eine der drei Türen eingefahren und der Inhalt auf den Herd entleert.The ores and aggregates are fed into a feeding device I given up in the rotary kiln a. From this rotary kiln the pass through the Exhaust gases from the hearth furnace 3 preheated and prereduced ores including lime in the container 4. The container .4 is with the hearth furnace 3, if necessary using water flowing through it Cooling frame, connected in such a way that the exhaust gases from the hearth furnace through the container 4 get into the rotary kiln a. At the foot of the container 4 there is a water-cooled one Slide 5, which is used to load the hearth furnace in the desired manner refer to. The feed passes through the water-cooled slide 5 into the Charging trough 6. The trough 6 is in one of the three doors retracted and the contents emptied onto the stove.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH130722D DE580142C (en) | Furnace for the direct production of steel from ores |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH130722D DE580142C (en) | Furnace for the direct production of steel from ores |
Publications (1)
Publication Number | Publication Date |
---|---|
DE580142C true DE580142C (en) | 1933-07-06 |
Family
ID=7176177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEH130722D Expired DE580142C (en) | Furnace for the direct production of steel from ores |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE580142C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2750277A (en) * | 1951-05-14 | 1956-06-12 | Armco Steel Corp | Process and apparatus for reducing and smelting iron |
DE1175707B (en) * | 1959-08-29 | 1964-08-13 | Demag Elektrometallurgie Gmbh | Process for direct steelmaking |
DE1226124B (en) * | 1959-08-20 | 1966-10-06 | Beteiligungs & Patentverw Gmbh | Process for the reduction of fine-grained oxidic iron carriers in a rotary kiln |
DE1262308B (en) * | 1961-03-15 | 1968-03-07 | Kloeckner Humboldt Dentz Ag | Process for the direct reduction of iron ores |
-
0
- DE DEH130722D patent/DE580142C/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2750277A (en) * | 1951-05-14 | 1956-06-12 | Armco Steel Corp | Process and apparatus for reducing and smelting iron |
DE1226124B (en) * | 1959-08-20 | 1966-10-06 | Beteiligungs & Patentverw Gmbh | Process for the reduction of fine-grained oxidic iron carriers in a rotary kiln |
DE1175707B (en) * | 1959-08-29 | 1964-08-13 | Demag Elektrometallurgie Gmbh | Process for direct steelmaking |
DE1262308B (en) * | 1961-03-15 | 1968-03-07 | Kloeckner Humboldt Dentz Ag | Process for the direct reduction of iron ores |
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