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41. 发明授权

US3635456A Apparatus for direct reduction of iron oxide compacts 失效
标题翻译：直接还原氧化铁精炼设备
公开(公告)号：US3635456A
公开(公告)日：1972-01-18
申请号：US3635456D
申请日：1970-04-29
申请人： DRAVO CORP
发明人： ANTHES JOHN A , VLNATY JOSEPH
IPC分类号： C21B13/00 , F27D17/00
CPC分类号： C21B13/0086 , C21B13/00 , C21B13/0046 , C21B13/008 , Y02P10/136 , Y02P10/143
摘要： Apparatus for the direct reduction of iron oxides in compact form by preheating iron oxide compacts and enveloping them in hot inert particulate solids at the top of a columnar reactor then passing the mixture downwardly through the reactor countercurrent to an upward flow of natural gas that is introduced into the reactor bottom. Contact of the natural gas and the compacts with the hot solids results in reformation of the natural gas by reaction with carbon dioxide and the production of hydrogen and carbon monoxide, which hydrogen and carbon monoxide reduce the iron oxide of the compacts. Hot gases from the reactor are passed upwardly through a preheater for incoming iron oxide pellets and are then cooled, cleaned, and a portion returned to the bottom of the reactor. The reduced heated compacts are separated from the inert solids at the bottom of the reactor and are passed countercurrent to the natural gas that is being conducted to the reactor to heat it prior to introduction of the gas into the reactor bottom.
摘要翻译：用于通过预热氧化铁压块直接还原氧化铁的装置，并将其包围在柱状反应器顶部的热惰性颗粒固体中，然后将混合物向下通过反应器逆向引入向上的天然气流进入反应器底部。天然气和压块与热固体的接触导致天然气与二氧化碳的反应和氢气和一氧化碳的产生，这种氢和一氧化碳减少了压块的氧化铁。来自反应器的热气体向上通过用于进入的氧化铁颗粒的预热器，然后冷却，清洁，并且一部分返回到反应器的底部。将还原的加热的压块与反应器底部的惰性固体分离，并与导入反应器的天然气逆流通过，以在将气体引入反应器底部之前进行加热。

42. 发明授权

US3630502A Apparatus for the thermal treatment of solids 失效
标题翻译：固体热处理设备
公开(公告)号：US3630502A
公开(公告)日：1971-12-28
申请号：US3630502D
申请日：1970-04-09
申请人： DRAVO CORP
发明人： SCHMIDT WERNER
IPC分类号： C22B1/00 , B01J2/26 , F27B21/06 , F27B9/00
CPC分类号： F27B21/06 , B01J2/26
摘要： Apparatus for the thermal treatment of solids in straighttraveling grates including a working path extending through a sintering machine where grate trucks are passed therethrough at one speed, and a conveying device for carrying the grate units back to the working path at a speed much greater than the work speed. An acceleration device is positioned at the end of the work path and is shaped to transfer a grate truck to the conveying device while at the same time accelerating the truck to the speed of the conveying device. A deceleration device positioned at the end of the conveying device transfers a grate truck to the work path while decelerating it to the work path speed.

43. 发明授权

US3614076A Open burner machines for sintering ores 失效
标题翻译：用于烧结炉的开式燃烧机
公开(公告)号：US3614076A
公开(公告)日：1971-10-19
申请号：US3614076D
申请日：1969-08-08
申请人： DRAVO CORP
发明人： SCHMIDT WERNER , HESS RUDOLF
IPC分类号： F27B21/06 , F27B21/00
CPC分类号： F27B21/06
摘要： A circular traveling grate machine comprising a circular track over which a series of burner cars for forming sintered ore are moved, is disclosed. Each car has a trapezoidal burning surface upon which the sinter is burned. Each car is equipped with a first axle extending transversely of the track and equipped with two spaced nonflanged wheels engaging the track. A second axle of the car has mounted on each end thereof a wheel having an inner annular portion engaging the track and an annular outer portion, equipped with an enlarged inner flanged portion to be engaged by a rotating member which separates individual cars upon the track and advances them for discharge of their contents.

44. 发明授权

US3593974A Hood construction 失效
标题翻译： HOOD建筑
公开(公告)号：US3593974A
公开(公告)日：1971-07-20
申请号：US3593974D
申请日：1969-01-10
申请人： DRAVO CORP
发明人： REID ALBERT B
IPC分类号： C21C5/40 , C21B7/08
CPC分类号： C21C5/40 , Y02P10/283
摘要： A hood for use over a basic oxygen furnace is disclosed. The hood is adapted to be supported in a structural frame between the furnace and an exhaust stack. The sidewalls of the hood are made up of a series of panels arranged one atop another. The panels are supported on support columns in such a manner that the weight of any one panel is not imposed on another and each panel is thereby removable for replacement or repair without disturbing any of the others. Provision is also made in the manner of supporting the panels to allow for expansion and contraction of the panels without the imposition of any stresses on the supporting means which secure the panels to the support columns. The panels are water cooled and each is constructed to maintain a generally back and forth flow of water therethrough.

45. 发明授权

US3530999A Safety device for materials handling structures 失效
标题翻译：材料处理结构的安全装置
公开(公告)号：US3530999A
公开(公告)日：1970-09-29
申请号：US3530999D
申请日：1967-12-01
申请人： DRAVO CORP
发明人： NARUNS LAIMONS
IPC分类号： B65G65/20 , B66C17/00 , B66C23/72 , E02F3/18
CPC分类号： B65G65/20 , B66C17/00 , B66C2700/01

46. 发明授权

US3514045A Apparatus for converting pea gravel into useful aggregate 失效
标题翻译：将有机物转化为有用的方法的装置
公开(公告)号：US3514045A
公开(公告)日：1970-05-26
申请号：US3514045D
申请日：1967-09-11
申请人： DRAVO CORP
发明人： SELLARS GEORGE L
IPC分类号： B02C1/08 , B02C23/14 , B02C17/08
CPC分类号： B02C23/14 , B02C1/08

47. 发明授权

US3499412A Kort nozzle 失效
标题翻译： KORT喷嘴
公开(公告)号：US3499412A
公开(公告)日：1970-03-10
申请号：US3499412D
申请日：1968-02-08
申请人： DRAVO CORP
发明人： ANTHES JOHN A , MARTINSON ALBERT M
IPC分类号： B63H5/14 , B63H5/15 , B63H1/28 , B63H25/06 , F01D1/02
CPC分类号： B63H5/14

48. 发明授权

US3486880A Heat indurated compacts of manganese ore and process of making same 失效
标题翻译：锰矿的热压混合及其制备方法
公开(公告)号：US3486880A
公开(公告)日：1969-12-30
申请号：US3486880D
申请日：1967-12-07
申请人： DRAVO CORP
发明人： VLNATY JOSEPH
IPC分类号： C22B1/24 , C22B47/00 , C21B1/00 , C21B1/30
CPC分类号： C22B47/00 , C22B1/24 , Y10S75/961

49. 发明授权

US3285735A Removal of contaminants such as arsenic from iron ore and apparatus therefor 失效
标题翻译：从铁矿石中除去砷等污染物及其设备
公开(公告)号：US3285735A
公开(公告)日：1966-11-15
申请号：US32747663
申请日：1963-12-02
申请人： DRAVO CORP
发明人： PHELPS DONALD D
IPC分类号： C22B1/02 , C22B1/11 , C22B1/14 , C22B1/18 , C22B1/20
CPC分类号： C22B1/18 , C22B1/02 , C22B1/11 , C22B1/14 , C22B1/20

50. 发明授权

US3212345A Oscillator for vibrating machines 失效
标题翻译：振动振动器
公开(公告)号：US3212345A
公开(公告)日：1965-10-19
申请号：US14698261
申请日：1961-10-23
申请人： DRAVO CORP
发明人： GERHARD RECHENBERG , WERNER VOLK
IPC分类号： B06B1/16 , B65G27/28
CPC分类号： B06B1/16 , B65G27/28 , Y10T74/18064 , Y10T74/18552

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