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公开(公告)号：US12025351B2
公开(公告)日：2024-07-02
申请号：US17806036
申请日：2022-06-08
Applicant: Chevron Phillips Chemical Company LP
Inventor： Ralph W. Romig
CPC classification number: F24T50/00 , F24T10/10 , F28D21/00 , F28D2021/0022 , F28D2021/0028
Abstract: Disclosed is a process and apparatus for cooling a coolant used in a heat exchange equipment in a plant. The process is performed in a plant having the apparatus disclosed herein. The process and apparatus utilize a geothermal cooling loop for cooling at least a portion of the total amount of coolant circulating in the coolant loop that is used to cool a surface of a heat exchange equipment in the plant.
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公开(公告)号：US20160361705A1
公开(公告)日：2016-12-15
申请号：US15044222
申请日：2016-02-16
Applicant: Chevron Phillips Chemical Company LP
Inventor： Ralph W. Romig , Robert R. McElvain , Steve E. Page
IPC: B01J20/34
CPC classification number: B01J20/3458 , B01D53/0462 , B01D53/047 , B01D53/261 , B01D2253/104 , B01D2253/108 , B01D2256/24 , B01D2257/104 , B01D2257/30 , B01D2257/504 , B01D2257/70 , B01D2257/7022 , B01D2257/80 , B01D2259/40052 , B01D2259/4009 , B01D2259/402 , Y02C10/08
Abstract: Disclosed are embodiments of a method of regenerating a desiccant in an off-line treater of a polyolefin production process. The method may include a heating phase followed by a cooling phase. The heating phase may involve use of a regenerating gas made from heating a treated a recycle stream of the polyolefin production process to regenerate desiccant in an off-line treater. The cooling phase may involve thermosyphoning the regenerating gas, nitrogen, an olefin-free diluent, or combinations thereof in a closed-convection loop of the off-line treater.
Abstract translation: 公开了在聚烯烃生产方法的离线处理器中再生干燥剂的方法的实施方案。 该方法可以包括加热阶段，随后是冷却阶段。 加热阶段可以包括使用通过加热经处理的聚烯烃生产方法的再循环流而制备的再生气体，以在离线处理器中再生干燥剂。 冷却阶段可以涉及在离线处理器的闭合对流环路中热再生再生气体，氮气，无烯烃稀释剂或其组合。
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公开(公告)号：US09096694B1
公开(公告)日：2015-08-04
申请号：US14159261
申请日：2014-01-20
Applicant: Chevron Phillips Chemical Company LP
Inventor： Anurag Gupta , Timothy O. Odi , Ralph W. Romig
CPC classification number: C08F2/34 , B01J19/18 , B01J19/245 , B01J2219/24 , C08F2/01 , C08F6/003 , C08F6/04 , C08F210/16 , C08F2500/05 , C08L23/00 , C08F10/00 , C08F2/14 , C08F210/14
Abstract: The disclosure includes a polymerization process and an olefin polymerization system. A polymerization product is produced, a vapor phase is recovered from the polymerization product, the vapor phase is fractionated in a first column to yield a fraction stream, and the fraction stream is fractionated in a second column. A first stream of the second column, which comprises a diluent, can be recycled to a first polymerization reactor. A second stream of the second column, which comprises olefin monomer, diluent, and hydrogen, can be recycled to a second polymerization reactor. Comonomer may be recycled from the first column to the first polymerization reactor, the second polymerization reactor, or both.
Abstract translation: 本公开内容包括聚合方法和烯烃聚合体系。 产生聚合产物，从聚合产物中回收气相，在第一塔中分馏蒸气相以产生馏分流，并将馏分流在第二塔中分馏。 包含稀释剂的第二塔的第一流可以再循环到第一聚合反应器中。 包含烯烃单体，稀释剂和氢的第二塔的第二流可以再循环到第二聚合反应器中。 共聚单体可以从第一塔再循环到第一聚合反应器，第二聚合反应器或两者。
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公开(公告)号：US08932527B1
公开(公告)日：2015-01-13
申请号：US14461430
申请日：2014-08-17
Applicant: Chevron Phillips Chemical Company, LP
Inventor： Scott E. Kufeld , Joel A. Mutchler , Ralph W. Romig , John D Stewart , Catherine M Gill , Bruce E. Kreischer , John D. Hottovy
IPC: B01J19/18 , C08F210/00 , C08F110/06 , B01J19/00 , C08F110/02
CPC classification number: C08F2/01 , B01J19/0046 , B01J19/1806 , B01J19/1818 , B01J19/1837 , B01J19/1862 , B01J19/2405 , B01J19/2435 , B01J19/245 , B01J19/2455 , B01J2219/00006 , B01J2219/00063 , B01J2219/00065 , B01J2219/00069 , B01J2219/00094 , B01J2219/00108 , B01J2219/00162 , B01J2219/00164 , B01J2219/182 , B01J2219/185 , B01J2219/24 , C08F2/12 , C08F110/02 , C08F110/06
Abstract: Loop reactors for olefin polymerization and processes utilizing such loop reactors are described herein. In one or more embodiments, the loop reactor generally includes a plurality of vertical sections; a plurality of elbow sections connecting the vertical sections to either a horizontal section having a horizontal length (LH) or another elbow section, at least one elbow section having an internal diameter (d), a radius (Rc) of an inner curvature and a chord length (W) and wherein the horizontal length (LH) is from 0 feet to 3 feet, the chord length (W) is 250 inches or less and a ratio (Rc/d) of the radius (Rc) of the inner curvature to the internal diameter (d) of the at least one elbow section is maintained from 2 to 4; and at least one loop reaction zone configured to polymerize an olefin monomer in the presence of a liquid diluent into a slurry comprising particles of a polyolefin polymer.
Abstract translation: 本文描述了用于烯烃聚合的环流反应器和利用这种环流反应器的方法。 在一个或多个实施例中，环路反应器通常包括多个垂直部分; 将垂直部分连接到具有水平长度（LH）或另一肘部的水平部分的多个弯头部分，至少一个具有内径（d）的弯头部分，内部曲率的半径（Rc）和 弦长（W），其中水平长度（LH）为0英尺至3英尺，弦长（W）为250英寸或更小，并且内曲率半径（Rc）的比（Rc / d） 至少一个肘部的内径（d）保持在2至4; 以及至少一个循环反应区，其被配置为在液体稀释剂存在下将烯烃单体聚合成包含聚烯烃聚合物颗粒的浆料。
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公开(公告)号：US08765884B2
公开(公告)日：2014-07-01
申请号：US14033405
申请日：2013-09-20
Applicant: Chevron Phillips Chemical Company LP
Inventor： Robert R. McElvain , John D. Hottovy , Ralph W. Romig , Donald W. Verser , David H. Burns , John H. Tait , Richard Peacock , James E. Hein , Scott E. Kufeld , Carl W. Fenderson , Anurag Gupta , Dale A. Zellers
IPC: C08F2/00 , C08F210/00 , C08F110/02 , F01N3/20 , B01J19/00 , B01J19/18
CPC classification number: B01J19/0013 , B01J8/0015 , B01J19/1837 , B01J19/2455 , B01J2208/00212 , B01J2208/00752 , B01J2219/00006 , B01J2219/0236 , C08F2/01 , C08F6/003 , C08F10/00 , C08F110/02 , C08L23/00 , C08F2/14
Abstract: A manufacturing system for producing polyolefin includes a polymerization reactor, a flash chamber, and a purge column. In certain embodiments, the purge column may receive a solids stream directly from the flash chamber. Further, the purge column may function as a feed tank for an extruder within an extrusion/loadout system. According to certain embodiments, the manufacturing system may be configured to consume less than 445 kilowatt-hours of energy per metric ton of polyolefin produced based on consumption of electricity, steam, and fuel gas.
Abstract translation: 用于生产聚烯烃的制造系统包括聚合反应器，闪蒸室和吹扫塔。 在某些实施方案中，净化塔可以直接从闪蒸室接收固体物流。 此外，吹扫塔可用作挤出/挤出系统中的挤出机的进料罐。 根据某些实施例，制造系统可以被配置为消耗基于消耗电力，蒸汽和燃料气体的每公吨聚烯烃消耗少于445千瓦小时的能量。
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Patent Agency Ranking
公开(公告)号：US08686097B2
公开(公告)日：2014-04-01
申请号：US13924298
申请日：2013-06-21
Applicant: Chevron Phillips Chemical Company LP
Inventor： Andrew J. Mills , Ralph W. Romig , Ji Xian X. Loh
IPC: C08F2/00 , C08F210/00 , C08F110/02
CPC classification number: B01J19/0053 , B01D3/009 , B01D3/06 , B01D19/0036 , B01D45/02 , B01J19/242 , C08F6/001 , C08F210/16 , C08F2/00 , C08F2/01 , C08L23/0815
Abstract: A method of treating a polymerization reactor effluent stream comprising recovering the reactor effluent stream from the polymerization reactor, flashing the reactor effluent stream to form a flash gas stream, separating the flash gas stream into a first top stream, a first bottom stream, and a side stream, wherein the side stream substantially comprises hexane, separating the first top stream into a second top stream and a second bottom stream, wherein the second bottom stream substantially comprises isobutane, and separating the second top stream into a third top stream and a third bottom stream; wherein the third top stream substantially comprises ethylene, and wherein the third bottom stream is substantially free of olefins.
Abstract translation: 一种处理聚合反应器流出物流的方法，包括从聚合反应器回收反应器流出物流，闪蒸反应器流出物流以形成闪蒸气流，将闪蒸气流分离成第一顶部流，第一底部流和 其中所述侧流基本上包含己烷，将所述第一顶部流分离成第二顶部流和第二底部流，其中所述第二底部流基本上包含异丁烷，并将所述第二顶部流分离成第三顶部流和第三顶部流 底流 其中所述第三顶流基本上包含乙烯，并且其中所述第三底部流基本上不含烯烃。
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公开(公告)号：US20230400226A1
公开(公告)日：2023-12-14
申请号：US17806036
申请日：2022-06-08
Applicant: Chevron Phillips Chemical Company LP
Inventor： Ralph W. Romig
CPC classification number: F24T50/00 , F28D21/00 , F24T10/10 , F28D2021/0028 , F28D2021/0022
Abstract: Disclosed is a process and apparatus for cooling a coolant used in a heat exchange equipment in a plant. The process is performed in a plant having the apparatus disclosed herein. The process and apparatus utilize a geothermal cooling loop for cooling at least a portion of the total amount of coolant circulating in the coolant loop that is used to cool a surface of a heat exchange equipment in the plant.
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公开(公告)号：US11578145B2
公开(公告)日：2023-02-14
申请号：US17314236
申请日：2021-05-07
Applicant: Chevron Phillips Chemical Company LP
Inventor： Joseph A. Curren , James E. Hein , Ralph W. Romig , Ai-Fu Chang
Abstract: A method of operating a dump tank of a polymer production process by transferring all or a portion of a content of a polymerization reactor into the dump tank, wherein the reactor contents comprise solid polymer, and liquid and gaseous non-product components, and removing at least a portion of the liquid and gaseous non-product components from the dump tank by: reducing a pressure of the dump tank, subjecting the solid polymer to a first cleaning stage comprising heating the solid polymer by introducing a first heated treatment gas into the dump tank, and subjecting the solid polymer to a second cleaning stage comprising purging the solid polymer by introducing a second heated treatment gas into the dump tank.
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公开(公告)号：US10173951B2
公开(公告)日：2019-01-08
申请号：US15264008
申请日：2016-09-13
Applicant: Chevron Phillips Chemical Company LP
Inventor： Joseph A. Curren , Ralph W. Romig , Ji Xian Loh , Timothy O. Odi
Abstract: Processes and systems for olefin and diluent recovery utilizing one or more side columns, including a side rectifier column and/or a side degassing column, in combination with a heavies column.
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公开(公告)号：US10040882B2
公开(公告)日：2018-08-07
申请号：US15623421
申请日：2017-06-15
Applicant: Chevron Phillips Chemical Company LP
Inventor： Stephen L. Ege , Ralph W. Romig
IPC: C08F210/14 , B01J19/24 , C08F2/01 , C08F2/14 , G01N1/20 , C08F210/08 , C08F10/00 , C08F10/02
Abstract: Polymerization reactor systems providing integrated liquid-solid sampling systems are disclosed. Methods for operating such polymerization reactor systems and for measuring a property of the liquid portion of liquid-solid mixture are described.
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