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    Reactive heat treatment to form pearlite from an iron containing article
    2.
    发明授权
    Reactive heat treatment to form pearlite from an iron containing article 失效
    反应热处理从含铁制品形成珠光体

    公开(公告)号：US06942739B2

    公开(公告)日：2005-09-13

    申请号：US10002576

    申请日：2001-10-26

    申请人： Changmin Chun ,  Trikur Anantharaman Ramanarayanan ,  James Dirickson Mumford ,  Adnan Ozekcin

    发明人： Changmin Chun ,  Trikur Anantharaman Ramanarayanan ,  James Dirickson Mumford ,  Adnan Ozekcin

    IPC分类号： C23C8/22 ,  C23C8/80

    CPC分类号： C23C8/22 ,  C21D2211/009

    摘要： The present invention is directed to a process for producing pearlite from an iron containing article comprising the steps of, (a) heating an iron containing article comprising at least 50 wt % iron for a time and at a temperature sufficient to convert at least a portion of said iron from a ferritic structure to an austenitic structure, (b) exposing said austenitic structure, for a time sufficient and at a temperature of about 727 to about 900° C., to a carbon supersaturated environment to diffuse carbon into said austenitic structure and (c) cooling said iron containing article to form a continuous pearlite structure.

    摘要翻译： 本发明涉及一种用于从含铁制品制备珠光体的方法，包括以下步骤：（a）将包含至少50重量％的铁的含铁制品一段时间并在足以将至少一部分 的所述铁从铁素体结构转变为奥氏体结构，（b）将所述奥氏体结构暴露于碳过饱和环境中足够的时间并在约727℃至约900℃的温度下将碳扩散到所述奥氏体结构中 和（c）冷却所述含铁制品以形成连续的珠光体组织。

    Heat Stable Formed Ceramic, Apparatus And Method Of Using The Same
    4.
    发明申请
    Heat Stable Formed Ceramic, Apparatus And Method Of Using The Same 有权
    热稳定成型陶瓷，设备及其使用方法

    公开(公告)号：US20100126907A1

    公开(公告)日：2010-05-27

    申请号：US12277056

    申请日：2008-11-24

    申请人： Changmin Chun ,  Frank Hershkowitz

    发明人： Changmin Chun ,  Frank Hershkowitz

    IPC分类号： C10G11/04 ,  C04B38/00

    CPC分类号： C10G9/00 ,  C04B35/482 ,  C04B35/486 ,  C04B38/0006 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3232 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3246 ,  C04B2235/3251 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3272 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3418 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5472 ,  C04B2235/6021 ,  C04B2235/72 ,  C04B2235/77 ,  C04B2235/783 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/788 ,  C04B2235/95 ,  C04B2235/96 ,  C10G9/26 ,  C04B38/0074

    摘要： In one aspect, the invention includes a heat stable, formed ceramic component that includes a multimodal grain distribution including (i) at least 50 wt % of coarse grains including stabilized zirconia, the coarse grains comprising a D50 grain size in the range of from 5 to 800 μm, based upon the total weight of the component; and (ii) at least 1 wt % of fine grains comprising a D50 average grain size not greater than one-fourth the D50 grain size of the coarse grain, dispersed within the coarse grains, based upon the total weight of the component; wherein after sintering, the component has porosity at ambient temperature in the range of from 5 to 45 vol. %, based on the formed volume of the component. In other embodiments, the invention includes a process for the manufacture of a hydrocarbon pyrolysis product from a hydrocarbon feed using a regenerative pyrolysis reactor system, comprising the steps of: (a) heating a pyrolysis reactor comprising a bi-modal stabilized zirconia ceramic component to a temperature of at least 1500° C. to create a heated reactive region, wherein after exposing the component to a temperature of at least 1500° C. for two hours the component has a bulk porosity measured at ambient temperature in the range of from 5 to 45 vol. %, based on the bulk volume of the component; (b) feeding a hydrocarbon feed to the heated pyrolysis reactor to pyrolyze the hydrocarbon feed and create a pyrolyzed hydrocarbon feed; and (c) quenching the pyrolyzed hydrocarbon feed to produce the hydrocarbon pyrolysis product.

    摘要翻译： 在一个方面，本发明包括一种热稳定的成形陶瓷组分，其包括多峰晶粒分布，其包括（i）至少50重量％的包含稳定的氧化锆的粗晶粒，所述粗晶粒包含D50晶粒尺寸在5 至800μm，基于组分的总重量; 和（ii）基于组分的总重量，至少1重量％的包含分散在粗晶粒内的D50平均粒径不大于粗晶粒的D50晶粒尺寸的四分之一的细晶粒; 其中烧结后，该组分在环境温度下具有5至45体积％的孔隙率。 ％，基于组成的体积。 在其它实施方案中，本发明包括使用再生热解反应器系统从烃进料制造烃热解产物的方法，包括以下步骤：（a）将包含双稳态氧化锆陶瓷组分的热解反应器加热至 至少1500℃的温度以产生加热的反应性区域，其中在将组分暴露于至少1500℃的温度两小时之后，该组分具有在环境温度下测量的体积孔隙，范围为5 至45体积 ％，基于组件的批量; （b）将烃进料加入到加热的热解反应器中以使烃进料热解并产生热解的烃进料; 和（c）淬灭热解的烃进料以产生烃热解产物。

    Heat stable formed ceramic, apparatus and method of using the same
    6.
    发明授权
    Heat stable formed ceramic, apparatus and method of using the same 有权
    热稳定成型陶瓷，其使用方法及其使用方法

    公开(公告)号：US08278231B2

    公开(公告)日：2012-10-02

    申请号：US12277056

    申请日：2008-11-24

    申请人： Changmin Chun ,  Frank Hershkowitz

    发明人： Changmin Chun ,  Frank Hershkowitz

    IPC分类号： C04B35/482

    CPC分类号： C10G9/00 ,  C04B35/482 ,  C04B35/486 ,  C04B38/0006 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3232 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3246 ,  C04B2235/3251 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3272 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3418 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5472 ,  C04B2235/6021 ,  C04B2235/72 ,  C04B2235/77 ,  C04B2235/783 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/788 ,  C04B2235/95 ,  C04B2235/96 ,  C10G9/26 ,  C04B38/0074

    摘要： In one aspect, the invention includes a heat stable, formed ceramic component that includes a multimodal grain distribution including (i) at least 50 wt % of coarse grains including stabilized zirconia, the coarse grains comprising a D50 grain size in the range of from 5 to 800 μm, based upon the total weight of the component; and (ii) at least 1 wt % of fine grains comprising a D50 average grain size not greater than one-fourth the D50 grain size of the coarse grain, dispersed within the coarse grains, based upon the total weight of the component; wherein after sintering, the component has porosity at ambient temperature in the range of from 5 to 45 vol. %, based on the formed volume of the component. In other embodiments, the invention includes a process for the manufacture of a hydrocarbon pyrolysis product from a hydrocarbon feed using a regenerative pyrolysis reactor system, comprising the steps of: (a) heating a pyrolysis reactor comprising a bi-modal stabilized zirconia ceramic component to a temperature of at least 1500° C. to create a heated reactive region, wherein after exposing the component to a temperature of at least 1500° C. for two hours the component has a bulk porosity measured at ambient temperature in the range of from 5 to 45 vol. %, based on the bulk volume of the component; (b) feeding a hydrocarbon feed to the heated pyrolysis reactor to pyrolyze the hydrocarbon feed and create a pyrolyzed hydrocarbon feed; and (c) quenching the pyrolyzed hydrocarbon feed to produce the hydrocarbon pyrolysis product.

    摘要翻译： 在一个方面，本发明包括一种热稳定的成形陶瓷组分，其包括多峰晶粒分布，其包括（i）至少50重量％的包含稳定的氧化锆的粗晶粒，所述粗晶粒包含D50晶粒尺寸在5 至800μm，基于组分的总重量; 和（ii）基于组分的总重量，至少1重量％的包含分散在粗晶粒内的D50平均粒径不大于粗晶粒的D50晶粒尺寸的四分之一的细晶粒; 其中烧结后，该组分在环境温度下具有5至45体积％的孔隙率。 ％，基于组成的体积。 在其它实施方案中，本发明包括使用再生热解反应器系统从烃进料制造烃热解产物的方法，包括以下步骤：（a）将包含双稳态氧化锆陶瓷组分的热解反应器加热至 至少1500℃的温度以产生加热的反应性区域，其中在将组分暴露于至少1500℃的温度两小时之后，该组分具有在环境温度下测量的体积孔隙，范围为5 至45体积 ％，基于组件的批量; （b）将烃进料加入到加热的热解反应器中以使烃进料热解并产生热解的烃进料; 和（c）淬灭热解的烃进料以产生烃热解产物。