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31. 发明授权

US4542704A Three-stage process for burning fuel containing sulfur to reduce emission of particulates and sulfur-containing gases 失效
标题翻译：燃烧含硫燃料以减少颗粒物和含硫气体排放的三阶段工艺
公开(公告)号：US4542704A
公开(公告)日：1985-09-24
申请号：US681672
申请日：1984-12-14
申请人： Melvin H. Brown , David H. DeYoung
发明人： Melvin H. Brown , David H. DeYoung
IPC分类号： C10L9/10 , C10L1/12 , C10L1/32 , C10L10/00 , F23B99/00 , F23C6/04 , F23C99/00 , F23D1/00
CPC分类号： F23C6/04 , C10L1/326
摘要： A three-stage combustion process is disclosed for burning a fuel containing sulfur characterized by low sulfur emission and good ash removal. The process comprises mixing the sulfur containing fuel with an additive capable of reacting with sulfur; burning the mixture in a first combustion stage with less than 75% theoretical air and at a temperature below the melting point of the ash but sufficiently high to cause reaction between the additive and any sulfur in the fuel to facilitate removal of the sulfur compounds formed; removing at least a portion of the sulfur compounds formed in the first stage; passing combustible gases from the first stage to a second stage; burning the gases in the second stage with less than 100% theoretical air at a temperature above the melting point of the ash to form a liquid slag which is removable from the second stage; and burning combustible gases from the second stage in a third stage with an excess of air to ensure complete combustion of the fuel.
摘要翻译：公开了一种三级燃烧过程，用于燃烧含硫的燃料，其特征在于低硫排放和良好的除灰。该方法包括将含硫燃料与能够与硫反应的添加剂混合; 在低于75％的理论空气和低于灰分熔点的温度的第一燃烧阶段中燃烧混合物，但足够高以使添加剂与燃料中任何硫之间的反应促进所形成的硫化合物的除去; 去除在第一阶段中形成的至少一部分硫化合物; 将可燃气体从第一阶段传递到第二阶段; 在高于灰分熔点的温度下以小于100％的理论空气燃烧第二阶段的气体以形成可从第二阶段移除的液态炉渣; 并在第三级燃烧具有过量空气的第二级的可燃气体，以确保燃料的完全燃烧。

32. 发明授权

US4477292A Three-step aging to obtain high strength and corrosion resistance in Al-Zn-Mg-Cu alloys 失效
标题翻译：三步老化获得Al-Zn-Mg-Cu合金的高强度和耐腐蚀性
公开(公告)号：US4477292A
公开(公告)日：1984-10-16
申请号：US311552
申请日：1981-10-15
申请人： Melvin H. Brown
发明人： Melvin H. Brown
IPC分类号： C22F1/04
CPC分类号： C22F1/04
摘要： A three-step thermal aging method for improving the strength and corrosion resistance of an article comprising a solution heat treated aluminum alloy containing zinc, magnesium, copper and at least one element selected from the group consisting of chromium, manganese and zirconium. The article is precipitation hardened at about 175.degree. to 325.degree. F., heat treated for from several minutes to a few hours at a temperature of about 360.degree. to 390.degree. F. and again precipitation hardened at about 175.degree. to 325.degree. F. In a preferred embodiment the article treated comprises aluminum alloy 7075 in the T6 condition. The method of the invention is easier to control and is suitable for treating articles of greater thickness than other comparable methods.
摘要翻译：一种用于提高包含含有锌，镁，铜和选自铬，锰和锆中的至少一种元素的溶液热处理铝合金的制品的强度和耐腐蚀性的三步热老化方法。该物品在约175°至325°F下沉淀硬化，在约360°至390°F的温度下热处理数分钟至几小时，再次在约175°至325°析出硬化。在优选的实施方案中，处理的制品包括处于T6状态的铝合金7075。本发明的方法更容易控制，并且适合于处理比其它类似方法更大厚度的制品。

33. 发明授权

US4308808A Coal burning method to reduce particulate and sulfur emissions 失效
标题翻译：燃煤法减少颗粒物和硫的排放
公开(公告)号：US4308808A
公开(公告)日：1982-01-05
申请号：US183617
申请日：1980-09-02
申请人： Melvin H. Brown
发明人： Melvin H. Brown
IPC分类号： F23C6/04 , F23K1/02 , F23N3/00
CPC分类号： F23C6/04 , F23K1/02 , Y10S48/07
摘要： A method is disclosed for burning a pulverized carbonaceous material containing sulfur and ash. According to this method, a slurry is formed containing the carbonaceous material, water, a reagent adapted to react during combustion with the sulfur in the material and a cementing agent adapted to reduce particulate emissions during combustion. The slurry is burned in a first stage with less than 100% theoretical air and preferably at a temperature below about 1100.degree. C. The products of combustion from the first stage are removed to a second stage and burned with additional air.
摘要翻译：公开了一种用于燃烧含硫和灰分的粉碎碳质材料的方法。根据该方法，形成含有碳质材料，水，适于在燃烧期间与材料中的硫反应的试剂的浆料和适于减少燃烧过程中的颗粒物排放的粘合剂。浆料在第一阶段以小于100％的理论空气燃烧，优选在低于约1100℃的温度下燃烧。来自第一阶段的燃烧产物被除去到第二阶段，并用额外的空气燃烧。

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