DE142830C - - Google Patents
Info
- Publication number
- DE142830C DE142830C DENDAT142830D DE142830DA DE142830C DE 142830 C DE142830 C DE 142830C DE NDAT142830 D DENDAT142830 D DE NDAT142830D DE 142830D A DE142830D A DE 142830DA DE 142830 C DE142830 C DE 142830C
- Authority
- DE
- Germany
- Prior art keywords
- ore
- coal
- furnace
- block
- opening
- 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.)
- Active
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 239000003245 coal Substances 0.000 claims description 15
- 239000000571 coke Substances 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000003638 reducing agent Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 5
- 238000002844 melting Methods 0.000 claims 2
- 238000009825 accumulation Methods 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 229910001338 liquidmetal Inorganic materials 0.000 claims 1
- 230000000284 resting Effects 0.000 claims 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/60—Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/942—Calcium carbide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
- F27D11/04—Ohmic resistance heating with direct passage of current through the material being heated
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Description
tfiiKV-fi? 'I t i/f. oC: "!JV.fll!!,··tfiiKV-fi? 'I t i / f. oC: "! JV.fll !!, ··
Γ" Λ Ρ (pi ''Γ "Λ Ρ (pi ''
OTS1ER1LICBOTS 1 ER 1 LICB
;S; S.
PATENTAMT.PATENT OFFICE.
Vorliegende Erfindung betrifft einen elektrischen Ofen mit in dem Ofenschacht und in der Ofensohle eingebauten Elektroden und bezweckt, bei ununterbrochener Beschickung des Ofens und unter getrennter Zuführung des Erzes und des Reduktionsmittels der Einwirkung des elektrischen Stromes auf die Beschickung die größtmögliche Ausdehnung zu geben.The present invention relates to an electric furnace with in the furnace shaft and Electrodes built into the furnace base and intended for uninterrupted loading of the furnace and with separate supply of the ore and the reducing agent of the action of the electric current on the feed to give the greatest possible expansion.
Zu diesem Zweck sind die Elektroden senkrecht zueinander an den äußersten Punkten des aus feuerfester Masse bestehenden Arbeitsraumes angeordnet. Die eine Elektrode befindet sich an dem unteren Teil des Herdes und bildet dessen Sohle, die andere Elektrode befindet sich an dem oberen Teil des Ofens zwischen Herd und Zufuhrschacht des Brennstoffes bezw. Reduktionsmittels. Dadurch, daß der Ofen schachtartig gebaut ist und mit schachtartigen Behältern für das Reduktionsmittel und das Erz in Verbindung steht, ist es möglich, den Ofen ununterbrochen unter steter Zuführung der Beschickung arbeiten zu lassen, indem die zwischen den Elektroden befindliche und allmählich nach Maßgabe der Arbeit verbrauchte Brennstoffsäulc sowie die Erzbeschickung beständig von oben her erneuert, . und zwischen der oberen und der unteren Elektrode die Verbindung stets aufrecht erhalten werden kann.For this purpose, the electrodes are perpendicular to each other at the outermost points of the work space made of refractory mass. One electrode is located on the lower part of the stove and forms its sole, the other electrode is located on the upper part of the stove between the stove and the fuel feed shaft respectively Reducing agent. The fact that the furnace is constructed in the manner of a shaft and with shaft-like containers for the reducing agent and the ore communicates, it is possible to keep the furnace uninterruptedly under constant Feed the feed to make it work by removing the one located between the electrodes and gradually consumed fuel column as the work progressed, as well as the ore charge constantly renewed from above,. and always maintain the connection between the upper and lower electrodes can be.
Das Erz wird hierbei zweckmäßig im geschmolzenen oder erweichten Zustand oder wenigstens ziemlich erweicht zugeführt, damit es allmählich in dem Ofen herabsinken und sich in den freigelassenen Zwischenräumen zwischen den Kohlenstücken verteilen kann.The ore is expediently in the molten or softened state or at least fed fairly softened so that it gradually sink into the oven and can spread in the cleared spaces between the pieces of coal.
Fig. ι und 2 stellen Ausführungsformen des Ofens dar.Fig. Ι and 2 represent embodiments of the furnace.
Fig. ι zeigt im Längsschnitt einen Ofen, der besonders zur Herstellung von Gußeisen, Ferrosilicium, Fcrromangan und anderen ähnlichen Produkten geeignet ist.Fig. Ι shows a longitudinal section of a furnace, which is particularly useful for the production of cast iron, Ferrosilicon, ferro manganese and other similar products is suitable.
Auf dem Tiegel B aus Kohle, welcher nach Art der gewöhnlichen elektrischen Öfen hergestellt ist, ist ein feuerbeständiges Mauerwerk C errichtet. Der Tiegel B ist mit einer Abflußöffnung D für das geschmolzene Metall, und der Teil C mit einer Öffnung E zum Abziehen der Schlacke versehen, weiche Öffnungen je nach Wunsch beliebig angeordnet sein können. Fire-resistant masonry C is erected on the charcoal crucible B , which is made in the manner of ordinary electric ovens. The crucible B is provided with a discharge opening D for the molten metal, and the part C is provided with an opening E for withdrawing the slag, which openings can be arranged as desired.
An dem oberen Teil des Behälters C ist gleichsam als Schwelle ein Kohlenblock F wagerecht oder schräg angeordnet, über welchen das Erz in den Ofen gelangt, und welcher mit zum Erhitzen des Erzes dient. Auf diesem Block F wird das aus der Erhitzungsvorrichtung A kommende Erz ausgebreitet. Da dieser Block/'" in das Innere von C hineinragt, so wird das geschmolzene Erz in die Mitte der Kohlen- oder Koksbeschickung Z geführt.On the upper part of the container C, a coal block F is arranged horizontally or at an angle, as it were as a threshold, via which the ore enters the furnace and which is also used to heat the ore. The ore coming from the heating device A is spread on this block F. Since this block / '" protrudes into the interior of C , the molten ore is fed into the middle of the coal or coke charge Z.
Infolge der Zuführung des geschmolzenen oder erweichten Erzes in die Mitte der hohen Kohlen- bezw. Koksschicht Z vermeidet man die Berührung der Ziegel mit der noch nicht verbrauchten Schlacke, welche das Erz begleitet. Der Block F ist überdies leicht ersetzbar, wenn er unbrauchbar geworden ist.As a result of the supply of the molten or softened ore in the middle of the high coal respectively. Coke layer Z avoids the bricks coming into contact with the not yet consumed slag that accompanies the ore. The block F can also be easily replaced if it has become unusable.
Claims (4)
Publications (1)
Publication Number | Publication Date |
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DE142830C true DE142830C (en) |
Family
ID=410362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT142830D Active DE142830C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE142830C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7897061B2 (en) * | 2006-02-01 | 2011-03-01 | Cabot Microelectronics Corporation | Compositions and methods for CMP of phase change alloys |
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0
- DE DENDAT142830D patent/DE142830C/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7897061B2 (en) * | 2006-02-01 | 2011-03-01 | Cabot Microelectronics Corporation | Compositions and methods for CMP of phase change alloys |
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