DE267771C - - Google Patents
Info
- Publication number
- DE267771C DE267771C DENDAT267771D DE267771DA DE267771C DE 267771 C DE267771 C DE 267771C DE NDAT267771 D DENDAT267771 D DE NDAT267771D DE 267771D A DE267771D A DE 267771DA DE 267771 C DE267771 C DE 267771C
- Authority
- DE
- Germany
- Prior art keywords
- electrodes
- different
- resistance heating
- heat
- arc
- 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
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000003213 activating Effects 0.000 description 1
Classifications
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4693—Skull removal; Cleaning of the converter mouth
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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)
- Furnace Details (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Die Erfindung bezweckt, bei einem elektrischen Schmelz- und Raffinierofen mit kombinierter Lichtbogen- und Widerstandsbeheizung, bei welchem an der Oberfläche Lichtbogenelektroden und am gesamten Umfange des Herdes Bodenelektroden angeordnet sind, zwischen denen allen Potentialdifferenz herrscht, die Möglichkeit zu schaffen, verschiedene Teile des Schmelz - bzw. Raffiniergutes von denThe invention aims at an electric smelting and refining furnace with combined Arc and resistance heating with arc electrodes on the surface and floor electrodes are arranged on the entire circumference of the cooker, between which there is all potential difference, the possibility of creating different parts of the melted or refined goods from the
ίο anderen unabhängig verschieden stark erhitzen zu können. Dies erscheint für viele Zwecke wünschenswert.ίο heat others independently to different degrees to be able to. This appears desirable for many purposes.
Es wird dies dadurch erreicht, daß die auf der Oberfläche des Schmelzbades und dem Umfange des Schmelzherdes angeordneten benachbarten Elektroden paarweise an verschiedene Stromquellen angeschlossen werden. Bei Verwendung von Drehstrom können z. B. je drei Elektroden an eine besondere Stromquelle angeschlossen werden, etwa in der Weise, daß an die Oberflächenelektroden ein Transformator mit hoher Spannung (wegen der Lichtbogen) und niedrigerer Stromstärke angeschlossen wird, und daß an die drei Bodenelektroden ein besonderer Transformator mit niedriger Spannung (wegen der Widerstandsbeheizung) und hoher Stromstärke angeschlossen wird.It is achieved by the fact that the on the surface of the weld pool and the Perimeter of the fuselage arranged adjacent electrodes in pairs to different Power sources are connected. When using three-phase current you can z. B. three electrodes can be connected to a special power source, such as in the Way that a transformer with high voltage (because of the arc) and lower amperage is connected, and that to the three bottom electrodes a special low voltage transformer (because of the resistance heating) and high amperage is connected.
Durch die Einschaltung der von jeder Elektrodengruppe beherrschten Teile des Schmelz- bzw. Raffiniergutes in verschiedene Stromkreise ist es möglich, je nach der Stärke der letzteren verschieden hoch zu erhitzen.By activating the parts of the melting point controlled by each group of electrodes or refined in different circuits it is possible, depending on the strength of the to heat the latter at different levels.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE267771C true DE267771C (en) | 1900-01-01 |
Family
ID=524796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT267771D Expired DE267771C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE267771C (en) |
-
0
- DE DENDAT267771D patent/DE267771C/de not_active Expired
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