METHOD FOR PRODUCING COKE FOR IRONMAKING, COKE FOR IRONMAKING, AND METHOD FOR PRODUCING PIG IRON

PROBLEM TO BE SOLVED: To provide a method for producing a coke having high strength at a low cost, a coke with a high hydrogen atom content obtained by the production method, and a method for producing a pig iron capable of reducing the content of carbon dioxide.SOLUTION: Provided is a method for pr...

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Hauptverfasser:	SAKIMOTO NAOTO, TAKASHI TOSHIKIMI, SAKAI KOJI, OKUYAMA NORIYUKI, YOSHIDA TAKUYA, SHISHIDO TAKAHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS FUELS LUBRICANTS MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE
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creator	SAKIMOTO NAOTO TAKASHI TOSHIKIMI SAKAI KOJI OKUYAMA NORIYUKI YOSHIDA TAKUYA SHISHIDO TAKAHIRO
description	PROBLEM TO BE SOLVED: To provide a method for producing a coke having high strength at a low cost, a coke with a high hydrogen atom content obtained by the production method, and a method for producing a pig iron capable of reducing the content of carbon dioxide.SOLUTION: Provided is a method for producing a coke for ironmaking obtained by carbonizing raw material coal and a binder at 800°C, and having a representative strength of 2.5 MPa or more; where the representative strength being a collapse strength in which cumulative fracture probability reaches 63.2% in a collapse strength test to 6 or more coke pieces cut into a cylindrical shape with a diameter of 21 mm±2% and a height of 13 mm±2%.SELECTED DRAWING: Figure 1 【課題】低コストで高強度を有するコークスの製造方法、及び該製造方法で得られた水素原子含有量の多いコークス、並びに二酸化炭素量を削減し得る銑鉄の製造方法を提供すること。【解決手段】本発明は原料炭と粘結材とを温度８００℃以下で乾留する代表強度が２．５ＭＰａ以上の製鉄用コ−クスの製造方法である。ただし、前記代表強度は、直径２１ｍｍ±２％、高さ１３ｍｍ±２％の円筒形に切り出したコークス片６個以上に対する圧壊強度試験において累積破壊確率６３．２％となる圧壊強度である。【選択図】図１
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where the representative strength being a collapse strength in which cumulative fracture probability reaches 63.2% in a collapse strength test to 6 or more coke pieces cut into a cylindrical shape with a diameter of 21 mm±2% and a height of 13 mm±2%.SELECTED DRAWING: Figure 1 【課題】低コストで高強度を有するコークスの製造方法、及び該製造方法で得られた水素原子含有量の多いコークス、並びに二酸化炭素量を削減し得る銑鉄の製造方法を提供すること。【解決手段】本発明は原料炭と粘結材とを温度８００℃以下で乾留する代表強度が２．５ＭＰａ以上の製鉄用コ−クスの製造方法である。ただし、前記代表強度は、直径２１ｍｍ±２％、高さ１３ｍｍ±２％の円筒形に切り出したコークス片６個以上に対する圧壊強度試験において累積破壊確率６３．２％となる圧壊強度である。【選択図】図１</description><language>eng ; jpn</language><subject>CHEMISTRY ; DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS ; FUELS ; LUBRICANTS ; MANUFACTURE OF IRON OR STEEL ; METALLURGY ; METALLURGY OF IRON ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><creationdate>2018</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=20180315&DB=EPODOC&CC=JP&NR=2018039873A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180315&DB=EPODOC&CC=JP&NR=2018039873A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SAKIMOTO NAOTO</creatorcontrib><creatorcontrib>TAKASHI TOSHIKIMI</creatorcontrib><creatorcontrib>SAKAI KOJI</creatorcontrib><creatorcontrib>OKUYAMA NORIYUKI</creatorcontrib><creatorcontrib>YOSHIDA TAKUYA</creatorcontrib><creatorcontrib>SHISHIDO TAKAHIRO</creatorcontrib><title>METHOD FOR PRODUCING COKE FOR IRONMAKING, COKE FOR IRONMAKING, AND METHOD FOR PRODUCING PIG IRON</title><description>PROBLEM TO BE SOLVED: To provide a method for producing a coke having high strength at a low cost, a coke with a high hydrogen atom content obtained by the production method, and a method for producing a pig iron capable of reducing the content of carbon dioxide.SOLUTION: Provided is a method for producing a coke for ironmaking obtained by carbonizing raw material coal and a binder at 800°C, and having a representative strength of 2.5 MPa or more; 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where the representative strength being a collapse strength in which cumulative fracture probability reaches 63.2% in a collapse strength test to 6 or more coke pieces cut into a cylindrical shape with a diameter of 21 mm±2% and a height of 13 mm±2%.SELECTED DRAWING: Figure 1 【課題】低コストで高強度を有するコークスの製造方法、及び該製造方法で得られた水素原子含有量の多いコークス、並びに二酸化炭素量を削減し得る銑鉄の製造方法を提供すること。【解決手段】本発明は原料炭と粘結材とを温度８００℃以下で乾留する代表強度が２．５ＭＰａ以上の製鉄用コ−クスの製造方法である。ただし、前記代表強度は、直径２１ｍｍ±２％、高さ１３ｍｍ±２％の円筒形に切り出したコークス片６個以上に対する圧壊強度試験において累積破壊確率６３．２％となる圧壊強度である。【選択図】図１</abstract><oa>free_for_read</oa></addata></record>
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subjects	CHEMISTRY DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS FUELS LUBRICANTS MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE
title	METHOD FOR PRODUCING COKE FOR IRONMAKING, COKE FOR IRONMAKING, AND METHOD FOR PRODUCING PIG IRON
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