Stabilized ceramic composition, apparatus and methods of using the same
    4.
    发明授权
    Stabilized ceramic composition, apparatus and methods of using the same 有权
    稳定的陶瓷组合物,使用它们的装置和方法

    公开(公告)号:US08399372B2

    公开(公告)日:2013-03-19

    申请号:US12467752

    申请日:2009-05-18

    IPC分类号: B01J19/00 C04B35/48

    摘要: In one aspect, the invention includes a refractory material, said material comprising: (i) at least 20 wt. % of a first grain mode stabilized zirconia based upon the total weight of said material, said first grain mode having a D50 grain size in the range of from 5 to 2000 μm, said stabilized zirconia including a matrix oxide stabilizer; (ii) at least 1 wt. % of a second grain mode having a D50 grain size in the range of from 0.01 μm up to not greater than one-fourth the D50 grain size of said first grain mode zirconia, based upon the total weight of said material; and (iii) at least 1 wt. % of a preservative component within at least one of said first grain mode stabilized zirconia, said second grain mode stabilized zirconia, and an optional another grain mode; wherein after sintering, said material has porosity at 20° C. in the range of from 5 to 45 vol %.

    摘要翻译: 一方面,本发明包括耐火材料,所述材料包括:(i)至少20wt。 基于所述材料的总重量的第一晶粒模式稳定化氧化锆的%,所述第一晶粒模式具有在5至2000μm范围内的D50晶粒尺寸,所述稳定化氧化锆包括基体氧化物稳定剂; (ii)至少1wt。 基于所述材料的总重量,具有D50晶粒尺寸在0.01μm至不超过所述第一晶粒模式氧化锆的D50晶粒尺寸的四分之一范围内的第二晶粒模式的百分比; 和(iii)至少1wt。 所述第一晶粒模式稳定化氧化锆,所述第二晶粒模式稳定化氧化锆和任选的另一晶粒模式中的至少一种中的防腐剂组分% 其中烧结后,所述材料在20℃下的孔隙率为5-45体积%。

    Stabilized ceramic composition, apparatus and methods of using the same
    5.
    发明授权
    Stabilized ceramic composition, apparatus and methods of using the same 有权
    稳定的陶瓷组合物,使用它们的装置和方法

    公开(公告)号:US08734729B2

    公开(公告)日:2014-05-27

    申请号:US13769620

    申请日:2013-02-18

    IPC分类号: B01J19/00 C04B35/482

    摘要: In one aspect, the invention includes a refractory material, said material comprising: (i) at least 20 wt. % of a first grain mode stabilized zirconia based upon the total weight of said material, said first grain mode having a D50 grain size in the range of from 5 to 2000 μm, said stabilized zirconia including a matrix oxide stabilizer; (ii) at least 1 wt. % of a second grain mode having a D50 grain size in the range of from 0.01 μm up to not greater than one-fourth the D50 grain size of said first grain mode zirconia, based upon the total weight of said material; and (iii) at least 1 wt. % of a preservative component within at least one of said first grain mode stabilized zirconia, said second grain mode stabilized zirconia, and an optional another grain mode; wherein after sintering, said material has porosity at 20° C. in the range of from 5 to 45 vol %.

    摘要翻译: 一方面,本发明包括耐火材料,所述材料包括:(i)至少20wt。 基于所述材料的总重量的第一晶粒模式稳定化氧化锆的%,所述第一晶粒模式具有在5至2000μm范围内的D50晶粒尺寸,所述稳定化氧化锆包括基体氧化物稳定剂; (ii)至少1wt。 基于所述材料的总重量,具有D50晶粒尺寸在0.01μm至不超过所述第一晶粒模式氧化锆的D50晶粒尺寸的四分之一范围内的第二晶粒模式的%。 和(iii)至少1wt。 所述第一晶粒模式稳定化氧化锆,所述第二晶粒模式稳定化氧化锆和任选的另一晶粒模式中的至少一种中的防腐剂组分% 其中烧结后,所述材料在20℃下的孔隙率为5-45体积%。

    Heat stable formed ceramic, apparatus and method of using the same
    8.
    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

    IPC分类号: C04B35/482

    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。

    Porous Pyrolysis Reactor Materials And Methods
    10.
    发明申请
    Porous Pyrolysis Reactor Materials And Methods 有权
    多孔热解反应堆材料与方法

    公开(公告)号:US20110120853A1

    公开(公告)日:2011-05-26

    申请号:US12623046

    申请日:2009-11-20

    IPC分类号: C10G9/00 C10B29/00 C10B57/16

    摘要: In one aspect, the invention includes a reactor apparatus for pyrolyzing a hydrocarbon feedstock, said apparatus including: a reactor component comprising a refractory material in oxide form, the refractory material having a melting point of no less than 2060° C. and which remains in oxide form when exposed to a gas having carbon partial pressure of 10−22 bar and oxygen partial pressure of 10−10 bar, at a temperature of 1200° C.; wherein said refractory material has no less than 4 vol % formed porosity, measured at 20° C., based upon the bulk volume of said refractory material. In another embodiment, the refractory material has total porosity in the range of from 4 to 60 vol %.

    摘要翻译: 在一个方面,本发明包括用于热解烃原料的反应器装置,所述装置包括:反应器组件,其包含氧化物形式的耐火材料,耐火材料的熔点不低于2060℃,并保持在 在1200℃的温度下暴露于碳分压为10-22巴,氧气分压为10-10巴的气体时,氧化物形式。 其中所述耐火材料具有基于所述耐火材料的体积体积在20℃下测量的不少于4体积%的孔隙率。 在另一个实施方案中,耐火材料具有4至60体积%的总孔隙率。