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Method of manufacturing high quality reducing gas by two stage reforming processes

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专利汇可以提供Method of manufacturing high quality reducing gas by two stage reforming processes专利检索,专利查询,专利分析的服务。并且Liquid hydrocarbon containing substance such as crude oil, fuel oils and heavy oils or solid hydrocarbon containing substance such as coal and plastic scraps or discards is used as the source of hydrocarbon. Gas containing hydrocarbons produced by the heat decomposition of the source of hydrocarbon, or a gas mixture produced by admixing a gas produced by gasifying, atomizing or pulverizing the source of hydrocarbon with coke oven gas or a gas produced by heat decomposing the source of hydrocarbon by the action of steam containing oxygen, or by the action hydrogen, is admixed with furnace top gas discharged from the top of a reducing furnace and containing CO2 and H2O, and the resulting gas mixture is converted into the reducing gas consisting essentially of CO and H2 while the gas mixture is maintained at a predetermined high temperature.,下面是Method of manufacturing high quality reducing gas by two stage reforming processes专利的具体信息内容。

1. IN A METHOD OF MANUFACTURING REDUCING GAS FROM HYDROCARBONS, THE IMPROVEMENT WHICH COMPRISES THE STEPS OF THERMALLY DECOMPOSING A HYDROCARBON SOURCE SELECTED FROM THE GROUP CONSISTING OF CRUDE OIL, A FUEL OIL, A HEAVY OIL, COAL AND PLASTIC IN THE PRESENCE OF STEAM CONTAINING OXYGEN OR IN THE PRESENCE OF HYDROGEN THEREBY FORMING AN INTERMEDIATE GAS, HEATING THE INTERMEDIATE GAS TO A TEMPERATURE OF FROM 150*C. TO 1100*C., ADMIXING THE HEATED INTERMEDIATE GAS WITH GAS HEATED TO A TEMPERATURE ABOVE 1100*C. AND CONTAINING CO2 AND H2O, AND MAINTAINING THE RESULTING GAS MIXTURE AT A TEMPERATURE ABOVE 1100*C. THEREBY IMPROVING THE QUALITY OF THE GAS MIXTURE.
2. The method according to claim 1 wherein said intermediate gas is formed by admixing a gasified, atomized or pulverized hydrocarbon source with a coke oven gas preheated to a temperature below 1100*C. after said hydrocarbon source has been heated to a temperature at which free carbon is not formed.
3. The method according to claim 1 wherein said intermediate gas is formed by thermally decomposing said hydrocarbon source by using an excess quantity of steam containing oxygen, or by using hydrogen and then cooling the decomposition gas to remove excess water, non-volatile components and impurities including sulfur.
4. The method according to claim 1 wherein said hydrocarbon source comprises high molecular weight hydrocarbon substances including plastic scraps or discards and the hydrocarbon source is thermally decomposed to obtain an intermediate gas containing hydrocarbons formed by the thermal decomposition.
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