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公开(公告)号：US20230014128A1
公开(公告)日：2023-01-19
申请号：US17780318
申请日：2020-12-01
Applicant: Basell Polyolefine GmbH
Inventor： Andre-Armand Finette , Juergen Mohrbutter , Christoph Wolf , Michael Deuerling , Danir Khayrullin , Dieter Littmann
IPC: C08F110/02 , C08F2/01 , C08F2/38 , C08L23/06
Abstract: A process for preparing ethylene polymers including the step of polymerizing ethylene or copolymerizing ethylene and one or more comonomers at a temperature from 100° C. to 350° C. and a pressure of from 110 MPa to 350 MPa in a continuously operated tubular polymerization reactor, thereby yielding a reaction mixture, wherein the tubular polymerization reactor has a reactor cooling jacket for removing the heat of the reaction and a pressure control valve, the reaction mixture leaves the reactor through the pressure control valve, the reaction mixture then passes a post-reactor cooler equipped with a post-reactor cooling jacket, the reactor cooling jacket is provided with a reactor coolant having an inlet temperature and the post-reactor cooling jacket is provided with a post-reactor coolant having an inlet temperature, and the inlet temperature of the post-reactor coolant is independently controlled from the inlet temperature of the reactant coolant.
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公开(公告)号：US20170348658A1
公开(公告)日：2017-12-07
申请号：US15523909
申请日：2015-11-12
Applicant: Basell Polyolefine GmbH
Inventor： Dieter Littmann , Georg Groos , Andre-Armand Finette , Michael Deuerling , Sven Wolfram , Juergen Mohrbutter , Danir Khayrullin , Claudio Fibla , Christoph Wolf
CPC classification number: B01J4/002 , B01J2219/185 , B01J2219/1943 , B01J2219/1946 , C08F2/004 , C08F2/01 , C08F6/001 , C08J11/02 , Y02P20/582
Abstract: 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 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 comprising such a process for separating a polymer-monomer mixture is provided.
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3.发明申请VESSEL FOR SEPARATING COMPONENTS OF A REACTION MIXTURE OBTAINED BY HIGH-PRESSURE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS WITH INTEGRATED BURSTING DISCS 有权用于分离由具有整体冲击盘的乙烯基不饱和单体的高压聚合获得的反应混合物的组分的容器公开(公告)号：US20160319046A1
公开(公告)日：2016-11-03
申请号：US15106150
申请日：2014-12-15
Applicant: Basell Polyolefine GmbH
Inventor： Erich Neumann , Danir Khayrullin , Claudio Fibla
CPC classification number: C08F6/10 , B01D19/0036 , B01D19/0063 , B01J3/002 , B01J19/2415 , B01J2219/185 , B01J2219/1943 , B01J2219/1946 , C08F10/02 , Y02P20/582
Abstract: The present disclosure relates to a vessel for separating, at a pressure of from 10 MPa to 50 MPa, a composition comprising liquid components and gaseous components into a liquid fraction and a gaseous fraction, whereinthe separation vessel has a vertically arranged cylindrical shape,has at its top a manhole, which is surrounded by a thickened part of the separation vessel wall;and bears at least one bursting disc which is held by a bursting disc holder which is installed pressure-tight within a boring in the thickened part of the separation vessel wall.
Abstract translation: 并具有至少一个爆破盘，其由爆破盘保持器保持，破裂盘保持器在分离容器壁的加厚部分的镗孔内压力安装。
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4.发明申请公开(公告)号：US20160304631A1
公开(公告)日：2016-10-20
申请号：US15101372
申请日：2014-12-03
Applicant: BASELL POLYOLEFINE GMBH
Inventor： Danir Khayrullin , Michael Deuerling , Christoph Wolf , Erich Neumann , Claudio Fibla
IPC: C08F6/10 , G01F23/288 , C08F6/12
CPC classification number: C08F6/10 , B01J4/002 , C08F6/001 , C08F6/12 , C08F10/02 , G01F23/2885 , C08L23/04 , C08F2/00
Abstract: The present disclosure generally relates to a 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 into a gaseous fraction and a liquid fraction in a separation vessel, wherein the filling level of the liquid fraction in the separation vessel is measured by a radiometric level measurement system comprising at least two radioactive 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.
Abstract translation: 本发明一般涉及通过烯键式不饱和单体在自由基聚合引发剂存在下高压聚合得到的反应混合物中的聚合物和气态组分分离成气态馏分和分离容器中的液体馏分的方法， 其中分离容器中的液体部分的填充水平由包括至少两个放射源和至少三个辐射检测器的辐射测量水平测量系统测量，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 从水平测量系统。
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5.发明申请公开(公告)号：US20190201865A1
公开(公告)日：2019-07-04
申请号：US16144627
申请日：2018-09-27
Applicant: Basell Polyolefine GmbH
Inventor： Dieter Littmann , Andre-Armand Finette , Christoph Wolf , Michael Deuerling , Juergen Peter Mohrbutter , Danir Khayrullin
IPC: B01J19/24 , C08F210/02 , C08F210/16 , F16L3/23 , F16L43/00
CPC classification number: C08F2/01 , B01J3/042 , B01J19/002 , B01J19/242 , B01J2219/00159 , B01J2219/00162 , B01J2219/00263 , B01J2219/0027 , C08F2/34 , C08F10/02 , C08F2/00
Abstract: 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.
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Patent Agency Ranking
6.发明授权公开(公告)号：US09631037B2
公开(公告)日：2017-04-25
申请号：US15240084
申请日：2016-08-18
Applicant: Basell Polyolefine GmbH
Inventor： Dieter Littmann , Jurgen Peter Mohrbutter , Giulia Mei , Andre-Armand Finette , Sven Georg Wolfram , Michael Deuerling , Danir Khayrullin , Georg Groos , Christoph Wolf
CPC classification number: C08F110/02 , B01J19/2415 , C08F2/01 , C08F2/34 , C08J5/18 , C08J2323/06 , C08F2/00 , C08F2500/12 , C08F2500/26
Abstract: The present technology relates to 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 from 180 MPa to 340 MPa, with a specific reactor surface area Asp of 2 m2/(t/h) to 5.5 m2/(t/h), and the tubular reactor has a specific ratio RDsp of 0.0050 MPa−1 to 0.0069 MPa−1 and an inner surface which has a surface roughness Ra of 2 μm or less.
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7.发明授权High-pressure polymerization process of ethylenically unsaturated monomers in a tubular reactor 有权烯属不饱和单体在管式反应器中的高压聚合方法公开(公告)号：US09441057B1
公开(公告)日：2016-09-13
申请号：US15044855
申请日：2016-02-16
Applicant: Basell Polyolefine GmbH
Inventor： Dieter Littmann , Jurgen Peter Mohrbutter , Giulia Mei , Andre-Armand Finette , Sven Georg Wolfram , Michael Deuerling , Danir Khayrullin , Georg Groos , Christoph Wolf
IPC: C08F2/01 , C08F2/34 , C08F2/38 , C08F110/02 , C08J5/18
CPC classification number: C08F110/02 , B01J19/2415 , C08F2/01 , C08F2/34 , C08J5/18 , C08J2323/06 , C08F2/00 , C08F2500/12 , C08F2500/26
Abstract: The present technology relates to 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 from 180 MPa to 340 MPa, with a specific reactor surface area Asp of 2 m2/(t/h) to 5.5 m2/(t/h), and the tubular reactor has a specific ratio RDsp of 0.0050 MPa−1 to 0.0069 MPa−1 and an inner surface which has a surface roughness Ra of 2 μm or less.
Abstract translation: 本技术涉及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 从180MPa到340MPa，比表面积Asp为2m 2 /（t / h）至5.5m 2 /（t / h），并且管式反应器的比值RDsp为0.0050MPa-1至0.0069MPa -1，表面粗糙度Ra为2μm以下的内表面。
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公开(公告)号：US20220410102A1
公开(公告)日：2022-12-29
申请号：US17780201
申请日：2020-12-01
Applicant: Basell Polyolefine GmbH
Inventor： Christoph Wolf , Juergen Mohrbutter , Andre-Armand Finette , Michael Deuerling , Danir Khayrullin , Dieter Littmann
Abstract: A high-pressure polymerization system having a) a polymerization reactor and b) a reactor blow down system having b1) a reactor blow down vessel, having a circular design over a major portion P having a L/D-ratio in the range from 1.75 to 10.0 and containing an aqueous quenching medium, b2) a release line connecting the polymerization reactor with the reactor blow down vessel and having an outlet located above a maximum level for the aqueous quenching medium, b3) a first emergency valve in the release line to open and close fluid communication between the polymerization reactor and the reactor blow down system, and wherein the release line outlet has 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 has a vent stack containing a constricted section.
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公开(公告)号：US20200369792A1
公开(公告)日：2020-11-26
申请号：US16636804
申请日：2018-08-16
Applicant: Basell Polyolefine GmbH
Inventor： Christoph Wolf , Dieter Littmann , Michael Deuerling , Andre-Armand Finette , Danir Khayrullin , Juergen Mohrbutter
Abstract: A process for the preparation of ethylene homopolymers or copolymers in a facility having a high-pressure tubular reactor and a preheater, wherein a reaction fluid introduced into the reactor at a 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.
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10.发明申请公开(公告)号：US20170335028A1
公开(公告)日：2017-11-23
申请号：US15674176
申请日：2017-08-10
Applicant: Basell Polyolefine GmbH
Inventor： Dieter Littmann , Jürgen Peter Mohrbutter , Giulia Mei , Andre-Armand Finette , Sven Georg Wolfram , Michael Deuerling , Danir Khayrullin , Georg Groos , Christoph Wolf
IPC: C08F110/02 , B01J19/24 , C08J5/18
CPC classification number: C08F110/02 , B01J19/2415 , C08F2/01 , C08F2/34 , C08J5/18 , C08J2323/06 , C08F2/00 , C08F2500/12 , C08F2500/26
Abstract: The present technology relates to 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 from 180 MPa to 340 MPa, with a specific reactor surface area Asp of 2 m2/(t/h) to 5.5 m2/(t/h), and the tubular reactor has a specific ratio RDsp of 0.0050 MPa−1 to 0.0069 MPa−1 and an inner surface which has a surface roughness Ra of 2 μm or less.
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