Hearth, in particular for a DC arc furnace
Bei einem Herdboden für Gleichstrom-Lichtbogenöfen, bei dem im Boden angeordnete Stahlstäbe als Anode fungieren, soll die Standzeit verbessert werden. Hierzu weist der Boden wenigstens im Bereich der Stahlstäbe (9) eine obere, feuerseitige Schicht (12) aus chromoxidhaltigem Magnesia und eine untere,...
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| creator | HLAWATSCHEK, HARTMUT SCHUBERT, MANFRED BOHN, KURT GELSDORF, GUNTER |
| description | Bei einem Herdboden für Gleichstrom-Lichtbogenöfen, bei dem im Boden angeordnete Stahlstäbe als Anode fungieren, soll die Standzeit verbessert werden. Hierzu weist der Boden wenigstens im Bereich der Stahlstäbe (9) eine obere, feuerseitige Schicht (12) aus chromoxidhaltigem Magnesia und eine untere, organisch gebundene Graphitschicht (14) sowie eine dazwischenliegende, aus beiden Materialien gemischte Schicht (13) auf.
A hearth for use in a furnace, which comprises an upper layer of magnesia containing chromic oxide, a lower layer containing graphite and an organic bonding agent, and an intermediate layer of a mixture of the materials forming the upper and lower layers. The hearth is particularly useful in DC arc funaces, in which steel rods embedded in the bottom act as the anode. The hearth has improved service durability. |
| format | Patent |
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A hearth for use in a furnace, which comprises an upper layer of magnesia containing chromic oxide, a lower layer containing graphite and an organic bonding agent, and an intermediate layer of a mixture of the materials forming the upper and lower layers. The hearth is particularly useful in DC arc funaces, in which steel rods embedded in the bottom act as the anode. The hearth has improved service durability.</description><edition>4</edition><language>eng ; fre ; ger</language><subject>BLASTING ; CHEMISTRY ; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; FURNACES ; FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL ; HEATING ; KILNS ; LIGHTING ; MECHANICAL ENGINEERING ; METALLURGY ; METALLURGY OF IRON ; OPEN SINTERING OR LIKE APPARATUS ; OVENS ; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL ; RETORTS ; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS ; WEAPONS</subject><creationdate>1985</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19851002&DB=EPODOC&CC=EP&NR=0156126A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19851002&DB=EPODOC&CC=EP&NR=0156126A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HLAWATSCHEK, HARTMUT</creatorcontrib><creatorcontrib>SCHUBERT, MANFRED</creatorcontrib><creatorcontrib>BOHN, KURT</creatorcontrib><creatorcontrib>GELSDORF, GUNTER</creatorcontrib><title>Hearth, in particular for a DC arc furnace</title><description>Bei einem Herdboden für Gleichstrom-Lichtbogenöfen, bei dem im Boden angeordnete Stahlstäbe als Anode fungieren, soll die Standzeit verbessert werden. Hierzu weist der Boden wenigstens im Bereich der Stahlstäbe (9) eine obere, feuerseitige Schicht (12) aus chromoxidhaltigem Magnesia und eine untere, organisch gebundene Graphitschicht (14) sowie eine dazwischenliegende, aus beiden Materialien gemischte Schicht (13) auf.
A hearth for use in a furnace, which comprises an upper layer of magnesia containing chromic oxide, a lower layer containing graphite and an organic bonding agent, and an intermediate layer of a mixture of the materials forming the upper and lower layers. The hearth is particularly useful in DC arc funaces, in which steel rods embedded in the bottom act as the anode. The hearth has improved service durability.</description><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE</subject><subject>ELECTRIC HEATING</subject><subject>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>FURNACES</subject><subject>FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL</subject><subject>HEATING</subject><subject>KILNS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>OPEN SINTERING OR LIKE APPARATUS</subject><subject>OVENS</subject><subject>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</subject><subject>RETORTS</subject><subject>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1985</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNDySE0sKsnQUcjMUygAsjKTS3MSixTS8osUEhVcnBUSi5IV0kqL8hKTU3kYWNMSc4pTeaE0N4OCm2uIs4duakF-fGpxAVBJXmpJvGuAgaGpmaGRmaORMRFKAGC8J2Q</recordid><startdate>19851002</startdate><enddate>19851002</enddate><creator>HLAWATSCHEK, HARTMUT</creator><creator>SCHUBERT, MANFRED</creator><creator>BOHN, KURT</creator><creator>GELSDORF, GUNTER</creator><scope>EVB</scope></search><sort><creationdate>19851002</creationdate><title>Hearth, in particular for a DC arc furnace</title><author>HLAWATSCHEK, HARTMUT ; SCHUBERT, MANFRED ; BOHN, KURT ; GELSDORF, GUNTER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0156126A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1985</creationdate><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE</topic><topic>ELECTRIC HEATING</topic><topic>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>FURNACES</topic><topic>FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL</topic><topic>HEATING</topic><topic>KILNS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>OPEN SINTERING OR LIKE APPARATUS</topic><topic>OVENS</topic><topic>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</topic><topic>RETORTS</topic><topic>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>HLAWATSCHEK, HARTMUT</creatorcontrib><creatorcontrib>SCHUBERT, MANFRED</creatorcontrib><creatorcontrib>BOHN, KURT</creatorcontrib><creatorcontrib>GELSDORF, GUNTER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HLAWATSCHEK, HARTMUT</au><au>SCHUBERT, MANFRED</au><au>BOHN, KURT</au><au>GELSDORF, GUNTER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hearth, in particular for a DC arc furnace</title><date>1985-10-02</date><risdate>1985</risdate><abstract>Bei einem Herdboden für Gleichstrom-Lichtbogenöfen, bei dem im Boden angeordnete Stahlstäbe als Anode fungieren, soll die Standzeit verbessert werden. Hierzu weist der Boden wenigstens im Bereich der Stahlstäbe (9) eine obere, feuerseitige Schicht (12) aus chromoxidhaltigem Magnesia und eine untere, organisch gebundene Graphitschicht (14) sowie eine dazwischenliegende, aus beiden Materialien gemischte Schicht (13) auf.
A hearth for use in a furnace, which comprises an upper layer of magnesia containing chromic oxide, a lower layer containing graphite and an organic bonding agent, and an intermediate layer of a mixture of the materials forming the upper and lower layers. The hearth is particularly useful in DC arc funaces, in which steel rods embedded in the bottom act as the anode. The hearth has improved service durability.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS |
| title | Hearth, in particular for a DC arc furnace |
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