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公开(公告)号：US4983214A
公开(公告)日：1991-01-08
申请号：US479769
申请日：1990-02-13
CPC分类号： F27B7/2083
摘要： A method and apparatus is disclosed for direct reduction of metal oxides, using a rotary kiln, fed with greenball pellets, the kiln having a feed-end and a discharge end. A first chamber within the kiln, and adjacent to the feed-end, is used for drying, preheating and indurating the greenball pellets. Greenball pellets are fed into the first chamber using a conventional mechanism. The feed-end is sealed to prevent egress of process gas from the kiln into the atmosphere and ingress of the atmosphere into the kiln. A first burner is used for drying, preheating and indurating the greenball pellets within the first chamber. A second chamber within the kiln, adjacent to and connected with the first chamber, having a diameter greater than the first chamber, is used for reducing the pellets, the second chamber being adjacent to the discharge end. A second burner may be used for reducing the pellets within the second chamber. Reduced pellets are discharged from the discharge end. The axial angle of the kiln is varied to regulate the flow rate of the greenball pellets from the first chamber to the second chamber.
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2.发明申请Thermal Reduction Gasification Process for Generating Hydrogen and Electricity 审中-公开用于产生氢和电的热还原气化过程公开(公告)号：US20100156104A1
公开(公告)日：2010-06-24
申请号：US12223902
申请日：2006-03-23
申请人： N. Edward Bottinelli
发明人： N. Edward Bottinelli
CPC分类号： C10J3/20 , C01B3/12 , C01B2203/0283 , C10J3/005 , C10J3/06 , C10J2300/1223 , C10J2300/1618 , C10J2300/1634 , C10J2300/1665 , C10J2300/1671 , C10J2300/1675 , C10J2300/1681 , C10K1/08 , C10K3/04 , Y02E50/32 , Y02P20/13 , Y02P20/145
摘要： An apparatus for generating synthesis gas from waste organic materials that consists of a thermal reduction gasification reactor which is a rotary reactor having a drying and volatilizing zone for gasifying organic materials and a reformation zone for converting the gasified organic materials to synthesis gas. Solid waste organic material is fed to the reactor that heats the solid material to a temperature of about 600° C. to about 1000° C. The synthesis gas generated by the apparatus is substantially hydrogen and carbon monoxide. The apparatus is combined with an electrical generation system for making purified hydrogen and electricity. Alternatively, the synthesis gas can be used as a source for hydrogen. The synthesis gas is cleaned, the composition is shifted to enrich the content of hydrogen, and the hydrogen is isolated from the other gases that make up the synthesis gas. Alternatively, the synthesis gas can be fermented forming an organic alcohol and an organic acid.
摘要翻译： 一种用于从废有机材料产生合成气的装置，其由具有用于气化有机材料的干燥和挥发区的旋转反应器的热还原气化反应器和用于将气化的有机材料转化为合成气的改质区组成。 将固体废物有机材料进料到将固体物质加热至约600℃至约1000℃的温度的反应器中。由该装置产生的合成气基本上是氢气和一氧化碳。 该装置与用于制造纯化的氢和电的发电系统组合。 或者，合成气可以用作氢的来源。 合成气被清洗，组合物转移以富集氢的含量，并且氢与构成合成气的其它气体分离。 或者，合成气可以发酵形成有机醇和有机酸。
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3.发明授权Method for reclaiming metal values from electric arc furnace flue dust and sludge and rendering residual solids recyclable or non-hazardous 失效从电弧炉烟尘和污泥中回收金属值的方法，使残留固体可回收或无害化
公开(公告)号：US4836847A
公开(公告)日：1989-06-06
申请号：US186539
申请日：1988-04-27
CPC分类号： C22B7/02 , C21B13/085 , C22B1/2406 , Y02P10/214 , Y02P10/232
摘要： A method for the pyrometallurgical treatment of environmentally hazardous steelmill flue dust and sludges to separate and recover the volatile heavy metals from the flue dust material and to convert the remaining iron into recyclable directly reduced iron pellets, or disposable non-hazardous reoxidized iron pellets, or pig iron or shot and slag. The dust is mixed with solid carbonaceous reductant and a binder, pelletized, optionally dried, and reduced in an inclined rotary reduction smelter vessel. The distilled heavy metals are reoxidized and may be selectively segregated to reduce the gangue and lead oxide contamination from the reconcentrated zinc oxide dust. The reconcentrated heavy metal oxide dust is recycled by the zinc/lead industry.
摘要翻译： 一种用于对环境有害的钢铁烟道灰尘和污泥进行火法冶金处理的方法，用于分离和回收烟道气体材料中的挥发性重金属，并将剩余的铁转化成可回收的直接还原铁丸或一次性非危险再氧化铁丸，或 生铁或射击和矿渣。 粉尘与固体碳质还原剂和粘合剂混合，造粒，任选地干燥，并在倾斜的旋转还原熔炼炉中还原。 蒸馏的重金属被再氧化并且可以选择性地分离，以减少再浓缩的氧化锌粉尘中的脉石和氧化铅污染。 浓缩的重金属氧化物粉尘被锌/铅行业回收利用。
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4.发明授权
公开(公告)号：US5028034A
公开(公告)日：1991-07-02
申请号：US501160
申请日：1990-03-29
CPC分类号： C22B1/2406 , C22B19/14 , C22B7/02 , Y02P10/212
摘要： A method and apparatus for recovering primary metals from pyrometallurgical process dust, in which a vertical shaft retort, situated in a furnace or afterburner associated with a pyrometallurgical apparatus, such as an inclined rotary reduction smelter, and preferably having a tapered cross-section with the larger end at the bottom, receives greenball pellets from a pelletizer, vaporizes volatile metal metals therein, and removes them to an associated volatile metal recovery apparatus, while reducing and recovering the major metal oxide components in the pellets in metallized form.
摘要翻译： 一种用于从火法冶金工艺粉尘中回收一次金属的方法和装置，其中垂直轴蒸馏器位于与火法冶金设备（例如倾斜旋转式还原冶炼炉）相关联的炉或加力器中，并且优选地具有锥形横截面 在底部的较大端部接收来自造粒机的绿球粒料，蒸发其中的挥发性金属金属，并将其除去至相关的挥发性金属回收装置，同时以金属化形式还原和回收丸粒中的主要金属氧化物组分。
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公开(公告)号：US4931090A
公开(公告)日：1990-06-05
申请号：US397388
申请日：1989-08-23
IPC分类号： B22D41/00 , B22D1/00 , B22D41/005 , C21B13/00 , C21C5/00 , C21C5/28 , C21C5/42 , C21C5/56 , C21C7/072
摘要： The invention encompasses a pneumatic steelmaking vessle and a method for the production of steel from hot carbon-bearing metallized raw materials such as direct reduced iron. The vessle is a refractory-lined ladle, having an eccentric ladle cover with an opening on one side. Opposite the opening in the ladle cover is at least one downwardly directed oxygen lance or tuyere. The vessel is mounted on trunnions for rotation about its central axis to a generally horizontal position. The bottom of the vessel has a porous plug, and a hot metal outlet controlled by a sliding gate closure member or other convenient type closure. The vessel is used in connection with a method of steelmaking by serving as the means for transporting molten metal to melting, refining, ladle metallurgy, and teeming operations.
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6.发明授权
公开(公告)号：US4758268A
公开(公告)日：1988-07-19
申请号：US946550
申请日：1986-12-23
CPC分类号： C22B7/02 , C21B3/04 , C22B1/24 , C22B13/02 , C22B19/04 , C22B5/10 , C22B5/16 , Y02P10/214 , Y02P10/232 , Y02W30/542 , Y10S75/958
摘要： A method for the pyrometallurgical treatment of environmentally hazardous steelmill flue dust and sludges to separate and recover the volatile heavy metals from the flue dust material and to convert the remaining iron into recyclable directly reduced iron pellets, or disposable non-hazardous reoxidized iron pellets, or pig iron or shot and slag. The dust is mixed with solid carbonaceous reductant and a binder, pelletized, optionally dried, and reduced in an inclined rotary reduction smelter vessel. The distilled heavy metals are reoxidized and may be selectively segregated to reduce the gangue and lead oxide contamination from the reconcentrated zind oxide dust. The reconcentrated heavy metal oxide dust is recycled by the zinc/lead industry.
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公开(公告)号：US5164147A
公开(公告)日：1992-11-17
申请号：US654996
申请日：1991-02-14
CPC分类号： F27D1/0006 , F27B17/00
摘要： An improved furnace for heating or heat-treating of particulate materials, the furnace having an elongated body, preferably vertical, forming a triskele cylinder having a desired cross-sectional area defined by four (4) circles of identical diameter, a central circle, and three (3) tangential outer circles, the center of each tangential circle symmetrically placed 120 degrees about the central circle, each of said circles being connected by tangential arcs of about the same diameter as the circles. The furnace shell is a high performance corrosion resistant nickel-base alloy, including cobalt, chromium, and silicon, whereby the critical contents of cobalt and silicon provide improved sulfidation resistance.
摘要翻译： 一种用于加热或热处理颗粒材料的改进炉，该炉具有细长体，优选垂直，形成具有由相同直径的四（4）个圆形定义的所需横截面积的三轴圆筒，中心圆，以及 三（3）切线外圈，每个切线圆的中心围绕中心圆对称地放置120度，每个所述圆通过与圆形大致相同的直径的切线连接。 炉壳是一种高性能耐腐蚀的镍基合金，包括钴，铬和硅，由此钴和硅的关键含量提高了耐硫化性。
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8.发明授权Continuous feed shaft retort process for recovery of non-ferrous metals from process dust 失效连续进料轴蒸馏过程，用于从工艺灰尘中回收有色金属
公开(公告)号：US4963182A
公开(公告)日：1990-10-16
申请号：US323297
申请日：1989-03-14
CPC分类号： C22B19/14 , C22B1/2406 , C22B7/02 , Y02P10/212
摘要： A method and apparatus for recovering primary metals from pyrometallurgical process dust, in which a vertical shaft retort, situated in a furnace or afterburner associated with a pyrometallurgical apparatus, such as an inclined rotary reduction smelter, and preferably having a tapered cross-section with the larger end at the bottom, receives greenball pellets from a pelletizer, vaporizes volatile metal metals therein, and removes them to an associated volatile metal recovery apparatus, while reducing and recovering the major metal oxide components in the pellets in metallized form.
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