Continuous decarburization annealing with recycle to convert carbon monoxide
In the decarburization annealing of steel strip, wherein the annealing atmosphere flows counter to the strip motion in the furnace, there is an undesirable buildup of carbon monoxide in the zone where the strip enters the furnace. Carbon monoxide is undesirable because it slows the decarburization o...
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| creator | PODGURSKI HARRY H DAVIS FRANK N |
| description | In the decarburization annealing of steel strip, wherein the annealing atmosphere flows counter to the strip motion in the furnace, there is an undesirable buildup of carbon monoxide in the zone where the strip enters the furnace. Carbon monoxide is undesirable because it slows the decarburization of the strip by a back reaction. The carbon monoxide is removed from the buildup zone and catalytically converted to methane and water by a known reaction with hydrogen, and the water and methane are in-turn recycled near the buildup zone of the furnace. It was found that the presence of water at temperatures up to 1600 DEG F. prevents methane from acting as a carburizing agent. |
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Carbon monoxide is undesirable because it slows the decarburization of the strip by a back reaction. The carbon monoxide is removed from the buildup zone and catalytically converted to methane and water by a known reaction with hydrogen, and the water and methane are in-turn recycled near the buildup zone of the furnace. It was found that the presence of water at temperatures up to 1600 DEG F. prevents methane from acting as a carburizing agent.</description><language>eng</language><subject>CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><creationdate>1983</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=19831108&DB=EPODOC&CC=US&NR=4414043A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19831108&DB=EPODOC&CC=US&NR=4414043A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PODGURSKI; HARRY H</creatorcontrib><creatorcontrib>DAVIS; FRANK N</creatorcontrib><title>Continuous decarburization annealing with recycle to convert carbon monoxide</title><description>In the decarburization annealing of steel strip, wherein the annealing atmosphere flows counter to the strip motion in the furnace, there is an undesirable buildup of carbon monoxide in the zone where the strip enters the furnace. Carbon monoxide is undesirable because it slows the decarburization of the strip by a back reaction. The carbon monoxide is removed from the buildup zone and catalytically converted to methane and water by a known reaction with hydrogen, and the water and methane are in-turn recycled near the buildup zone of the furnace. 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Carbon monoxide is undesirable because it slows the decarburization of the strip by a back reaction. The carbon monoxide is removed from the buildup zone and catalytically converted to methane and water by a known reaction with hydrogen, and the water and methane are in-turn recycled near the buildup zone of the furnace. It was found that the presence of water at temperatures up to 1600 DEG F. prevents methane from acting as a carburizing agent.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | Continuous decarburization annealing with recycle to convert carbon monoxide |
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