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1. 发明申请

WO2019002100A1 PELLET DRYING AND DEGASSING METHOD 审中-公开
公开(公告)号：WO2019002100A1
公开(公告)日：2019-01-03
申请号：PCT/EP2018/066666
申请日：2018-06-21
申请人： BASELL POLYOLEFINE GMBH
发明人： MEI, Giulia , MOHRBUTTER, Juergen , LITTMANN, Dieter , WOLF, Christoph , FINETTE, Andre-Armand , DEUERLING, Michael , PENZO, Giuseppe
IPC分类号： B29B9/16 , F26B17/22 , F26B17/14 , F26B3/16 , B29B9/06 , B29K105/00 , B29B13/06 , F26B17/00 , B29K23/00
摘要： Method for the preparation of dried polymer pellets in a facility having a dryer with a first chamber and a mechanical agitator, and the facility further having a degassing silo with a second chamber, the method comprises guiding a drying gas flow comprising a first gas mixture for drying wet polymer pellets into the first chamber, transferring the dried polymer pellets into the second chamber, guiding a second gas mixture for degassing the dried polymer pellets into the second chamber thereby transforming the second gas mixture into a third gas mixture and guiding a portion of the third gas mixture into the first chamber; and process for manufacturing LDPE pellets using the aforementioned method.

2. 发明申请

WO2015082565A1 PROCESS FOR SEPARATING COMPONENTS OF A REACTION MIXTURE OBTAINED BY HIGH-PRESSURE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS 审中-公开
标题翻译：用于分离由乙烯基不饱和单体的高压聚合获得的反应混合物组分的方法
公开(公告)号：WO2015082565A1
公开(公告)日：2015-06-11
申请号：PCT/EP2014/076460
申请日：2014-12-03
申请人： BASELL POLYOLEFINE GMBH
发明人： GROOS, Georg , NEUMANN, Erich , DEUERLING, Michael , LITTMANN, Dieter
IPC分类号： C08F6/10 , C08F6/12 , C08J11/02 , C08F10/00 , C08F6/00
CPC分类号： C08F6/12 , C08F2/01 , C08F2/02 , C08F2/34 , C08F6/001 , C08F6/10 , C08J11/02 , Y02P20/582 , C08L23/04 , C08F10/02 , C08F2/00 , C08F110/02 , C08F210/16 , C08F2500/08
摘要： Process for separating polymeric and gaseous components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, the process comprising the steps of entering the reaction mixture into a separation vessel; separating the reaction mixture into in a gaseous fraction and a liquid fraction; and withdrawing the gaseous fraction from the top of the separation vessel and withdrawing the liquid fraction from the bottom of the separation vessel, wherein the separation is carried out at a pressure of from 15 MPa to 50 MPa and a temperature of from 120°C to 300°C; the separation vessel has a vertically arranged cylindrical shape with a ratio of length to diameter L/D of from 4 to 10 and is equipped with an inlet pipe for introducing the reaction mixture into the separation vessel; the inlet pipe extends vertically from the top into the separation vessel; and the ratio of the inner diameter of the inlet pipe at its lower end and the inner diameter of the separating vessel in its cylindrical part is in the range of from 0.2 to 0.4 and process for preparing ethylene homopolymers or copolymers from ethylenically unsaturated monomers in the presence of free-radical polymerization initiators at temperatures from 100°C to 350°C and pressures in the range of from 110 MPa to 500 MPa in a polymerization reactor comprising a such process for separating polymeric and gaseous components.
摘要翻译：在自由基聚合引发剂存在下，通过烯属不饱和单体的高压聚合获得的反应混合物的聚合物和气态组分的分离方法，该方法包括以下步骤：将反应混合物进入分离容器; 将反应混合物分离成气态馏分和液体馏分; 并从分离容器的顶部取出气体馏分并从分离容器的底部排出液体部分，其中分离在15MPa至50MPa的压力和120℃至120℃的温度下进行 300℃; 分离容器具有垂直排列的圆柱形，长度与直径L / D之比为4至10，并具有用于将反应混合物引入分离容器的入口管; 入口管从顶部垂直延伸到分离容器中; 并且其下端的入口管的内径与其圆柱形部分中的分离容器的内径的比率在0.2至0.4的范围内以及在烯属不饱和单体中制备乙烯均聚物或共聚物的方法在聚合反应器中存在自由基聚合引发剂，其温度为100℃至350℃，压力范围为110MPa至500MPa，包括用于分离聚合物和气态组分的方法。

3. 发明申请

WO2021110633A1 HIGH-PRESSURE POLYMERIZATION SYSTEM AND HIGH-PRESSURE POLYMERIZATION PROCESS FOR THE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS 审中-公开
公开(公告)号：WO2021110633A1
公开(公告)日：2021-06-10
申请号：PCT/EP2020/084032
申请日：2020-12-01
申请人： BASELL POLYOLEFINE GMBH
发明人： WOLF, Christoph , MOHRBUTTER, Juergen , FINETTE, Andre-Armand , DEUERLING, Michael , KHAYRULLIN, Danir , LITTMANN, Dieter
IPC分类号： B01J4/00 , B01J3/02 , B01J19/00
摘要： A high-pressure polymerization system comprising a) a polymerization reactor and b) a reactor blow down system comprising b1) a reactor blow down vessel, which has an essentially circular design over a major portion P having a L/D-ratio in the range from 1,75 to 10,0 and which contains an aqueous quenching medium, b2) release lines connecting the polymerization reactor with the reactor blow down vessel and comprising outlets located above a maximum level for the aqueous quenching medium, b3) first emergency valves in the release lines to open and dose a fluid communication between the polymerization reactor and the reactor blow down system, and wherein the outlets each have a joining piece having an angle (a) between the central axis and a tangent at the reactor blow down vessel in the range from 5° to 70° and the reactor blow down vessel comprises a vent stack containing a constricted section.

4. 发明申请

WO2017013171A1 HIGH-PRESSURE POLYMERIZATION PROCESS OF ETHYLENICALLY UNSATURATED MONOMERS IN A TUBULAR REACTOR 审中-公开
标题翻译：管状反应器中乙烯基不饱和单体的高压聚合方法
公开(公告)号：WO2017013171A1
公开(公告)日：2017-01-26
申请号：PCT/EP2016/067290
申请日：2016-07-20
申请人： BASELL POLYOLEFINE GMBH
发明人： LITTMANN, Dieter , MOHRBUTTER, Juergen , MEI, Giulia , FINETTE, Andre-Armand , WOLFRAM, Sven , DEUERLING, Michael , KHAYRULLIN, Danir , GROOS, Georg , WOLF, Christoph
IPC分类号： C08F2/01 , C08F2/34
CPC分类号： C08F110/02 , B01J19/2415 , C08F2/01 , C08F2/34 , C08J5/18 , C08J2323/06 , C08F2/00 , C08F2500/12 , C08F2500/26
摘要： A process for polymerizing or copolymerizing ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, wherein the polymerization is carried out in a continuously operated tubular reactor at temperatures from 100° C to 350° C and pressures in the range from 80 MPa to 340 MPa with a specific reactor surface area A sp of 2m 2 /(t/h) to 5.5 m 2 /(t/h) and the tubular reactor has a specific ratio RD sp of from 0.0050 MPa -1 to 0.0069 MPa -1 and an inner surface which has a surface roughness Ra of 2 µm or less.
摘要翻译：一种在自由基聚合引发剂存在下聚合或共聚烯属不饱和单体的方法，其中聚合在连续操作的管式反应器中在100℃至350℃的温度下进行，压力范围为80MPa至 340MPa，特定反应器表面积Asp为2m 2 /（t / h）至5.5m 2 /（t / h），并且管式反应器具有0.0050MPa -1至0.0069MPa -1的比RDDS，其表面粗糙度Ra为2μm以下。

5. 发明申请

WO2021110645A1 COOLING OF REACTION MIXTURE OBTAINED BY HIGH-PRESSURE POLYMERIZATION PROCESS OF ETHYLENICALLY UNSATURATED MONOMERS 审中-公开
公开(公告)号：WO2021110645A1
公开(公告)日：2021-06-10
申请号：PCT/EP2020/084052
申请日：2020-12-01
申请人： BASELL POLYOLEFINE GMBH
发明人： FINETTE, Andre-Armand , MOHRBUTTER, Juergen , WOLF, Christoph , DEUERLING, Michael , KHAYRULLIN, Danir , LITTMANN, Dieter
IPC分类号： C08L23/02 , C08F2/01 , C08F10/02 , C08F110/02 , C08F210/02
摘要： A process for preparing ethylene polymers comprising polymerizing ethylene or copolymerizing ethylene and one or more comonomers at a temperature from 180°C to 350°C and a pressure of from 110 MPa to 350 MPa in a continuously operated tubular polymerization reactor being equipped with one or more cooling jackets, wherein a reaction mixture leaves the reactor through a pressure control valve and then passes a post reactor cooler equipped with one or more cooling jackets, and wherein the cooling jackets are provided with at least two coolants having an inlet temperature and the inlet temperature of a coolant fed to one or more of the cooling jackets cooling the post reactor cooler is independently controlled from the inlet temperature of the coolant or the coolants fed to the one or more cooling jackets cooling the polymerization reactor.

6. 发明申请

WO2019134886A1 MANUFACTURING PLANT FOR HIGH-PRESSURE ETHYLENE POLYMERIZATION AND METHOD FOR EMERGENCY SHUTDOWN 审中-公开
公开(公告)号：WO2019134886A1
公开(公告)日：2019-07-11
申请号：PCT/EP2018/097010
申请日：2018-12-27
申请人： BASELL POLYOLEFINE GMBH
发明人： LITTMANN, Dieter , FINETTE, Andre-Armand , WOLF, Christoph , DEUERLING, Michael , MOHRBUTTER, Juergen , KHAYRULLIN, Danir
IPC分类号： C08F2/01 , B01J19/24 , C08F2/34 , C08F2/00
摘要： The present disclosure relates to a manufacturing plant for high-pressure polymerization having a layered tubular reactor and a method for an emergency shutdown in said manufacturing plant. The present disclosure also relates to a process for manufacturing LDPE using said layered tubular reactor.

7. 发明申请

WO2019034718A1 PROCESS FOR THE PREPARATION OF ETHYLENE HOMOPOLYMERS OR COPOLYMERS 审中-公开
公开(公告)号：WO2019034718A1
公开(公告)日：2019-02-21
申请号：PCT/EP2018/072169
申请日：2018-08-16
申请人： BASELL POLYOLEFINE GMBH
发明人： WOLF, Christoph , LITTMANN, Dieter , DEUERLING, Michael , FINETTE, Andre-Armand , KHAYRULLIN, Danir , MOHRBUTTER, Juergen
IPC分类号： C08F2/01 , C08F10/02
摘要： A process for the preparation of ethylene homopolymers or copolymers in a facility, the facility comprising a high-pressure tubular reactor and a preheater, wherein the reaction fluid introduced into the reactor at the reactor inlet is heated in the preheater and the average velocity of the reaction fluid in the preheater is lower than the average velocity of the reaction fluid in the tubular reactor and the ratio of the average velocity in the tubular reactor to the average velocity of the reaction fluid in the preheater is in the range from 1.5 to 5.

8. 发明申请

WO2020127079A1 HIGH-PRESSURE POLYMERIZATION PROCESS OF ETHYLENICALLY UNSATURATED MONOMERS IN A POLYMERIZATION REACTOR 审中-公开
公开(公告)号：WO2020127079A1
公开(公告)日：2020-06-25
申请号：PCT/EP2019/085394
申请日：2019-12-16
申请人： BASELL POLYOLEFINE GMBH
发明人： LITTMANN, Dieter , FINETTE, Andre-Armand , WOLF, Christoph , DEUERLING, Michael , MOHRBUTTER, Juergen , KHAYRULLIN, Danir , MEI, Giulia , NEUMANN, Erich
IPC分类号： C08F2/01 , C08F2/02 , C08F10/02 , B01J19/24 , B01J8/00
摘要： A process for polymerizing ethylene in a high-pressure polymerization system comprising a continuously operated polymerization reactor and a reactor blow down system comprising an emergency valve, a reactor blow down vessel containing an aqueous medium and a reactor blow down dump vessel, wherein the process comprises monitoring the polymerization system with respect to an occurrence of a disturbance, opening the emergency valve in case of a disturbance to allow the content of the polymerization system to expand into the reactor blow down vessel, contacting content in the reactor blow down vessel with the aqueous medium to obtain an aqueous polymer slurry, separating the polymer slurry and gaseous components and transferring the polymer slurry to the reactor blow down dump vessel.

9. 发明申请

WO2016075235A1 PROCESS FOR SEPARATING COMPONENTS OF A POLYMER-MONOMER MIXTURE OBTAINED BY HIGH-PRESSURE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS 审中-公开
标题翻译：通过高分子聚合单体不饱和单体获得的聚合物单体混合物的分离方法
公开(公告)号：WO2016075235A1
公开(公告)日：2016-05-19
申请号：PCT/EP2015/076433
申请日：2015-11-12
申请人： BASELL POLYOLEFINE GMBH
发明人： LITTMANN, Dieter , GROOS, Georg , FINETTE, Andre-Armand , DEUERLING, Michael , WOLFRAM, Sven , MOHRBUTTER, Juergen , KHAYRULLIN, Danir , FIBLA, Claudio , WOLF, Christoph
IPC分类号： C08F2/00 , C08F2/01 , C08F6/00
CPC分类号： B01J4/002 , B01J2219/185 , B01J2219/1943 , B01J2219/1946 , C08F2/004 , C08F2/01 , C08F6/001 , C08J11/02 , Y02P20/582
摘要： A process for separating polymeric and gaseous components of a polymer-monomer mixture at a pressure of from 0.12 MPa to 0.6 MPa and a temperature of from 120° C to 300° C in a separation vessel is provided. The separation vessel has a vertically arranged cylindrical shape with a ratio of length to diameter L/D of from 0.6 to 10 and an inlet pipe capable of introducing the polymer- monomer mixture into the separation vessel which the inlet pipe extends vertically from the top of the separation vessel into the separation vessel. Further a process for preparing ethylene homo- polymers or copolymers from ethylenically unsaturated monomers in the presence of free-radical polymerization initiators at temperatures from 100°C to 350° C and pressures in the range of from 10 MPa to 500 MPa comprising such a process for separating a polymer-monomer mixture is provided.
摘要翻译：提供了一种在分离容器中在0.12MPa至0.6MPa的压力和120℃至300℃的温度下分离聚合物 - 单体混合物的聚合物和气体组分的方法。分离容器具有垂直排列的圆柱形，长度与直径L / D的比值为0.6至10，以及能够将聚合物单体混合物引入分离容器的入口管，入口管从顶部垂直延伸分离容器进入分离容器。另外，在自由基聚合引发剂存在下，在100℃至350℃的温度和10MPa至500MPa的压力范围内，由烯属不饱和单体制备乙烯均聚物或共聚物的方法包括这样的方法用于分离聚合物 - 单体混合物。

10. 发明申请

WO2015082568A1 PROCESS FOR SEPARATING COMPONENTS OF A REACTION MIXTURE OBTAINED BY HIGH-PRESSURE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS WITH IMPROVED LEVEL CONTROL 审中-公开
标题翻译：用于分离具有改进水平控制的乙烯不饱和单体的高压聚合反应混合物组分的方法
公开(公告)号：WO2015082568A1
公开(公告)日：2015-06-11
申请号：PCT/EP2014/076464
申请日：2014-12-03
申请人： BASELL POLYOLEFINE GMBH
发明人： KHAYRULLIN, Danir , DEUERLING, Michael , WOLF, Christoph , NEUMANN, Erich , FIBLA, Claudio
IPC分类号： C08F6/00 , C08F6/10 , C08F6/12 , C08J11/02 , C08F10/00 , G01F23/288 , G01N9/24
CPC分类号： C08F6/10 , B01J4/002 , C08F6/001 , C08F6/12 , C08F10/02 , G01F23/2885 , C08L23/04 , C08F2/00
摘要： Process for separating polymeric and gaseous components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, the process comprising the steps of entering the reaction mixture into a separation vessel; separating the reaction mixture into in a gaseous fraction and a liquid fraction; and withdrawing the gaseous fraction from the top of the separation vessel and withdrawing the liquid fraction from the bottom of the separation vessel, wherein the separation is carried out at a pressure of from 15 MPa to 50 MPa and a temperature of from 120°C to 300°C; the filling level of the liquid fraction in the separation vessel is measured by a radiometric level measurement system comprising at least two radio-active sources and at least three radiation detectors and the filling level is controlled by a product discharge valve which operates based on data coming from the level measurement system, and wherein radioactive sources are installed at at least two different heights of the separation vessel, and radiation detectors are installed at least three different heights of the separation vessel and process for preparing ethylene homopolymers or copolymers from ethylenically unsaturated monomers in the presence of free-radical polymerization initiators at temperatures from 100°C to 350°C and pressures in the range of from 110 MPa to 500 MPa in a polymerization reactor comprising a such a process for separating polymeric and gaseous components.
摘要翻译：在自由基聚合引发剂存在下，通过烯属不饱和单体的高压聚合获得的反应混合物的聚合物和气态组分的分离方法，该方法包括以下步骤：将反应混合物进入分离容器; 将反应混合物分离成气态馏分和液体馏分; 并从分离容器的顶部取出气体馏分并从分离容器的底部排出液体部分，其中分离在15MPa至50MPa的压力和120℃至120℃的温度下进行 300℃; 分离容器中的液体馏分的填充水平通过包括至少两个无线电源和至少三个辐射检测器的辐射水平测量系统测量，并且填充水平由产品排放阀控制，该产品排出阀基于数据来进行操作来自液面测量系统，并且其中放射源安装在分离容器的至少两个不同高度处，并且辐射探测器安装在分离容器的至少三个不同的高度上，以及用于由烯属不饱和单体制备乙烯均聚物或共聚物的方法在聚合反应器中存在自由基聚合引发剂，其温度为100℃至350℃，压力范围为110MPa至500MPa，包括用于分离聚合物和气态组分的方法。

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