公开(公告)号：US4223000A

公开(公告)日：1980-09-16

申请号：US61297

申请日：1979-07-27

申请人： John L. Dewey ,  Charles E. Scott ,  John C. Rushing

发明人： John L. Dewey ,  Charles E. Scott ,  John C. Rushing

IPC分类号： C01F7/30

CPC分类号： C01F7/308 ,  C01P2004/51 ,  Y10S423/16

摘要： There is described a method for the decomposition of aluminum nitrate crystals to alumina comprising the steps of:(a) melting the aluminum nitrate crystals;(b) evaporating from the melted crystals in a once through evaporator at the boiling temperature of the mixture and for a time sufficient to remove water and associated nitric acid and to provide a fluid having an alumina concentration of at least about 18% by weight;(c) decomposing the product of step (b) at a temperature of between about 150.degree. and about 200.degree. C. and recovering the heat of condensation of the resultant vapors;(d) further decomposing the product of step (c) in a fluidized bed decomposer at a temperature of between about 300.degree. and about 400.degree. C. to reduce the residual nitrate concentration in the product to between about 5 and about 10 weight percent;(e) decomposing the product of step (d) in a fluidized bed decomposer at a temperature of between about 500.degree. and about 800.degree. C. to reduce the residual nitrate concentration in the product to below about 3 percent by weight; and(f) calcining the product of step (e) at a temperature of at least about 1000.degree. C.

摘要翻译： 描述了将硝酸铝晶体分解成氧化铝的方法，包括以下步骤：（a）熔融硝酸铝晶体; （b）在混合物的沸腾温度下在一次性蒸发器中从熔融的晶体中蒸发出足够的时间以除去水和相关的硝酸，并提供具有至少约18重量％的氧化铝浓度的流体; （c）在约150至约200℃的温度下分解步骤（b）的产物，并回收所得蒸气的冷凝热; （d）在流化床分解器中在约300℃至约400℃的温度下进一步分解步骤（c）的产物，以将产物中的残留硝酸盐浓度降低至约5至约10重量％; （e）在流化床分解器中在约500至约800℃的温度下分解步骤（d）的产物，以将产物中的残留硝酸盐浓度降低至低于约3重量％; 和（f）在至少约1000℃的温度下煅烧步骤（e）的产物。

公开(公告)号：US4256714A

公开(公告)日：1981-03-17

申请号：US61296

申请日：1979-07-27

申请人： Charles E. Scott ,  John L. Dewey

发明人： Charles E. Scott ,  John L. Dewey

IPC分类号： C01F7/76 ,  C01F7/66

CPC分类号： C01F7/66

摘要： There is described a process for preparing large crystals of basic aluminum nitrate (BAN) from a nitric acid feed solution containing Al.sub.2 O.sub.3 values comprising the steps of:(1) evaporating water and nitric acid from the solution in a single step evaporation performed at a temperature of between about 270.degree. and about 450.degree. F. and at a pressure of between about atmospheric and about 60 psig to produce an evaporated liquor comprising at least about 16% alumina by weight;(2) holding the evaporated liquor in a quiescent state for a period of between about 20 minutes and about two hours within the temperature range of about 270.degree. F. to about 340.degree. F.;(3) injecting water into the product of step 2, the water being added in an amount sufficient to adjust the composition of the conditioned liquor to a composition expressible as the sum of two components(1) ANN (Al.sub.2 O.sub.3.6HNO.sub.3.15H.sub.2 O or Al(NO.sub.3).sub.3.9H.sub.2 O), and(2) The desired crystal product BAN or Wiseite(a) BAN (Al.sub.2 O.sub.3.2HNO.sub.3.5H.sub.2 O or Al(OH).sub.2 NO.sub.3.2.OH.sub.2 O). or(b) Wiseite (Al.sub.2 O.sub.3.2HNO.sub.3.4H.sub.2 O or Al(OH).sub.2 NO.sub.3.1.5H.sub.2 O) to precipitate large crystals of BAN; and(4) separating the large crystals.

摘要翻译： 描述了从含有Al 2 O 3值的硝酸进料溶液制备碱式硝酸铝（BAN）的大晶体的方法，包括以下步骤：（1）在温度下进行的单步蒸发中从溶液中蒸发水和硝酸 在约270°至约450°F之间并且在约大气压至约60psig的压力下产生包含至少约16重量％氧化铝的蒸发液; （2）在约270°F至约340°F的温度范围内将蒸发的液体保持在静止状态约20分钟至约2小时; （3）将水注入步骤2的产品中，加入的水量足以将调理液体的组成调节为可表示为两种组分（1）ANN（Al2O3.6HNO3.15H2O或Al （NO 3）3·4H 2 O）和（2）所需的晶体产物BAN或者Wiseite（a）BAN（Al2O3.2HNO3.5H2O或Al（OH）2NO3.2.OH2O）。 或（b）Wiseite（Al2O3.2HNO3.4H2O或Al（OH）2NO3.1.5H2O）沉淀出大的BAN晶体; 和（4）分离大晶体。

公开(公告)号：US4246239A

公开(公告)日：1981-01-20

申请号：US61295

申请日：1979-07-27

申请人： John L. Dewey ,  Charles E. Scott ,  James F. Kane ,  Claud L. Stratton ,  John C. Rushing ,  Robert H. Spoonts

发明人： John L. Dewey ,  Charles E. Scott ,  James F. Kane ,  Claud L. Stratton ,  John C. Rushing ,  Robert H. Spoonts

IPC分类号： C01F7/24 ,  F02B75/02

CPC分类号： C01F7/24 ,  F02B2075/027 ,  Y10S423/16

摘要： Alumina values are extracted from clay by the steps of pelletizing into spherical particles, calcining the pellets in a fluidized bed reactor, extracting the clay in about 30-40% nitric acid, purifying the basic aluminum nitrate produced, crystallizing aluminum nitrate nonahydrate, decomposing the nonahydrate in at least three steps, calcining the produced alumina and reconstituting the NO.sub.x gases to nitric acid.

摘要翻译： 通过以下步骤从粘土中提取氧化铝值：将其造粒成球形颗粒，在流化床反应器中煅烧颗粒，在约30-40％硝酸中萃取粘土，纯化产生的碱式硝酸铝，结晶硝酸铝九水合物，分解 九水合物，至少三个步骤，煅烧所生产的氧化铝并将NOx气体重构成硝酸。

公开(公告)号：US4672233A

公开(公告)日：1987-06-09

申请号：US747915

申请日：1985-06-24

申请人： Charles E. Scott

发明人： Charles E. Scott

IPC分类号： G05B19/10 ,  H03K17/28 ,  H01H36/00

CPC分类号： H03K17/28 ,  G05B19/104 ,  G05B2219/21136 ,  Y10T307/766 ,  Y10T307/878 ,  Y10T307/951 ,  Y10T307/957

摘要： A machine controller having start and time delay functions activated and set by a single switch. There is a cycler for activating and deactivating machine functions in a timed sequence. There is a manually operable start/delay-set switch and an electronic circuit responsive to the switch which produces a start signal upon initial closing of the switch, and which produces a delay signal after the switch is held closed for a predetermined time. An electronic control circuit responds to the start and delay signals to store a delay time and activate the cycler after the stored delay time has expired.

摘要翻译： 具有由单个开关激活和设置的启动和延时功能的机器控制器。 有一个循环仪用于在定时序列中激活和停用机器功能。 有一个可手动启动/延迟设置开关和一个电路响应开关，在开关初始关闭时产生启动信号，并在开关保持关闭一段预定时间后产生一个延迟信号。 电子控制电路响应启动和延迟信号以存储延迟时间，并在存储的延迟时间到期后激活循环仪。

公开(公告)号：US4071773A

公开(公告)日：1978-01-31

申请号：US715293

申请日：1976-08-18

申请人： Charles E. Scott

发明人： Charles E. Scott

IPC分类号： H01H43/00 ,  H03K17/28 ,  H03K17/292 ,  G08B1/00

CPC分类号： H03K17/292 ,  Y10T307/951

摘要： A timer wherein the timing means of said timer includes an improved patch cord control which consists of the electrical coupling of at least two patch cords and two terminal means to individual power switching means and the grouping of timing resistors into at least two groups each of which consist of timing resistors of equal value for preselecting a maximum number of time intervals utilizing a minimum number of resistors.

摘要翻译： 一种定时器，其中所述定时器的定时装置包括改进的跳线控制，其由至少两个跳线的电耦合和两个终端装置组成单个功率开关装置，并将定时电阻器组合成至少两组， 由相等值的定时电阻组成，用于使用最小数量的电阻器预选最大数量的时间间隔。

公开(公告)号：US3973135A

公开(公告)日：1976-08-03

申请号：US576733

申请日：1975-05-12

申请人： Charles E. Scott

发明人： Charles E. Scott

IPC分类号： H03K17/292 ,  H05B6/68 ,  G08B1/00

CPC分类号： H03K17/292 ,  H05B6/68 ,  Y10T307/951

摘要： Two timing means are connected by a switching means, one of the timing means being operable to de-energize a load, the other energizing another load for a predetermined time after the first load has been de-energized.

摘要翻译： 两个定时装置通过开关装置连接，其中一个定时装置可操作以使负载断电，另一个定时装置在第一负载已断电之后的预定时间内通电另一负载。

公开(公告)号：US4314197A

公开(公告)日：1982-02-02

申请号：US25215

申请日：1979-03-29

申请人： Louis M. Sandler ,  Walter R. Spofford ,  Charles E. Scott

发明人： Louis M. Sandler ,  Walter R. Spofford ,  Charles E. Scott

IPC分类号： G05D23/24 ,  H05B6/68 ,  G05F3/04

CPC分类号： H05B6/6452 ,  G05D23/1912 ,  G05D23/24

摘要： A circuit for controlling the application of alternating current power to an apparatus provides a triac having a pair of main terminals adapted for being coupled in series between the apparatus and a source of alternating current power, the triac also having a gate terminal, nonregulated direct current power supply adapted to receive alternating current power from the source thereof, the power supply including a rectifier and a filter and having a pair of output terminals for distributing direct current power, circuitry for maintaining an approximately constant load on the nonregulated direct current power supply and for switching current therefrom to the triac gate terminal including a semiconductor junction switch having a gate terminal, a first main terminal coupled to one output terminal of the power supply and the triac gate terminal and a second main terminal coupled to the other output terminal of the power supply, and circuitry coupled to the switch gate terminal for activating and deactivating current flow in the switch to deactivate and activate, respectively, current flow through the triac by shunting current from the one terminal of the power supply away from the triac gate and to the other power supply terminal, thereby providing control of the application of alternating current power to the apparatus.

摘要翻译： 用于控制对设备的交流电力的应用的电路提供一种三端双向可控硅开关元件，其具有适于串联连接在装置和交流电源之间的一对主端子，三端双向可控硅开关元件还具有栅极端子，非调节直流电流 电源，其适于从其源极接收交流电力，所述电源包括整流器和滤波器，并且具有用于分配直流电力的一对输出端子，用于在非调节直流电源上维持近似恒定负载的电路，以及 用于将电流切换到三端双向可控硅开关端子，其包括具有栅极端子的半导体结开关，耦合到电源的一个输出端和三端双向可控硅开关栅极端子的第一主端子和耦合到所述电源的另一输出端子的第二主端子 电源和耦合到开关栅极端子用于激活的电路 并且通过将电源的一个端子从三端双向可控硅开关栅极和另一个电源端子分流电流来分别去除和激活通过三端双向可控硅开关的电流，从而提供控制 向设备交流电力。

公开(公告)号：US3988727A

公开(公告)日：1976-10-26

申请号：US482650

申请日：1974-06-24

申请人： Charles E. Scott

发明人： Charles E. Scott

IPC分类号： G05B19/02 ,  A61N1/08 ,  G08B21/00 ,  H03K17/292 ,  H05B6/68 ,  G08B7/00

CPC分类号： H05B6/666 ,  A61N1/08 ,  H03K17/292

摘要： A timed switching circuit includes timer means for timing an event, timer means for timing the length of an alarm signal, and timer means for timing delays prior to and immediately after an event is timed. The circuit also includes an appliance control/indicator means for controlling an appliance in response to a timed event and indicating the operational state thereof.

摘要翻译： 定时切换电路包括用于定时事件的定时器装置，用于对报警信号的长度进行定时的定时器装置，以及用于在事件被定时之前和之后的定时延迟的定时装置。 电路还包括用于响应于定时事件控制器具并指示其工作状态的器具控制/指示器装置。

公开(公告)号：USH1686H

公开(公告)日：1997-10-07

申请号：US673913

申请日：1996-07-01

申请人： Charles E. Scott ,  David S. Hagen

发明人： Charles E. Scott ,  David S. Hagen

IPC分类号： C07C253/34 ,  C07C255/00

CPC分类号： C07C253/34

摘要： A process is provided for removing peroxide contamination from acrylonitrile. The process includes contacting the acrylonitrile with an activated alumina adsorbent and separating the acrylonitrile product from the alumina. The contaminated acrylonitrile is contacted with the activated alumina adsorbent for a time sufficient for the peroxide contaminate to be adsorbed by the activated alumina. The activated alumina may also be used to selectively remove color promoting contaminates in an acrylonitrile product.

摘要翻译： 提供了一种从丙烯腈中去除过氧化物污染的方法。 该方法包括使丙烯腈与活性氧化铝吸附剂接触并将丙烯腈产物与氧化铝分离。 污染的丙烯腈与活性氧化铝吸附剂接触足够的时间，以使过氧化物污染物被活性氧化铝吸附。 活性氧化铝也可以用于选择性地除去丙烯腈产物中的促进颜色的污染物。

公开(公告)号：US4370566A

公开(公告)日：1983-01-25

申请号：US254377

申请日：1981-04-15

申请人： Leroy A. Perry ,  Charles E. Scott

发明人： Leroy A. Perry ,  Charles E. Scott

IPC分类号： G05B19/06 ,  H01H43/00

CPC分类号： G05B19/063 ,  Y10T307/951

摘要： A control system for an appliance having a plurality of different operational cycles, provides cam operated switches for controlling the coupling of electrical power to the appliance, the switches including a plurality of rotatable cams for operating the switches in response to the rotational position of the cams, the switches being adapted for electrical rotation of said cams, a digital electronic control circuit for controlling the electrical cam rotation, the control circuit including circuitry for receiving a selection of any one of the cycles for the operation of the appliance, and a second circuit coupled between the switches and the control circuit and responsive to the circuitry for receiving for supplying information on the rotational position of the cams to the control circuit to enable control of the electrical rotation in accordance with a cycle selection.

摘要翻译： 一种用于具有多个不同操作周期的器具的控制系统，提供用于控制电力与器具的耦合的凸轮操作的开关，该开关包括多个可转动的凸轮，用于响应于凸轮的旋转位置来操作开关 ，所述开关适于所述凸轮的电旋转，用于控制所述电动凸轮旋转的数字电子控制电路，所述控制电路包括用于接收用于所述器具的操作的任何一个周期的选择的电路，以及第二电路 耦合在开关和控制电路之间并且响应于用于接收的电路用于将关于凸轮的旋转位置的信息提供给控制电路，以使得能够根据循环选择来控制电气旋转。