-
1.
公开(公告)号:EA009600B1
公开(公告)日:2008-02-28
申请号:EA200501850
申请日:2004-05-17
Applicant: DSM IP ASSETS BV
Inventor: SMEETS THEODORUS MARIA , LEMMENS JOHANNES ALBERTUS WILHELMUS , MOSTERT FRANK , CHENG PETER WEI-HAE
IPC: C07D201/04 , B01F5/04 , B01J19/26
Abstract: Изобретениеотноситсяк способуполучениякапролактамапосредствомпримешиванияциклогексаноноксимак реакционнойсмеси, содержащейкапролактами сернуюкислоту, сиспользованиемсмешивающегоустройства, включающего (i) трубопровод, черезкоторыйможетпротекатьреакционнаясмесь, и (ii) каналы, расположенныевокругтрубопровода, открывающиесяв трубопровод, включающийпропусканиереакционнойсмесичерезтрубопроводи подачуциклогексаноноксимав реакционнуюсмесьчерезодинилиболееуказанныхканалов, причем Re>5000, где Re - числоРейнольдса, определяемоекакρVD/η, ρ-плотность (кг/м) реакционнойсмеси, подаваемойв трубопровод; V - скоростьреакционнойсмеси, приэтом V определяетсякак W/A, W - скоростьпотока (м/с) реакционнойсмеси, подаваемойв трубопровод, иА - площадьпоперечногосечениятрубопровода (м) науровне, гдеуказанныеканалыоткрываютсяв трубопровод; D - диаметртрубопроводанауровне, гдеуказанныеканалыоткрываютсяв трубопровод (м); η - вязкостьреакционнойсмеси, подаваемойв трубопровод (Па∙с).
-
公开(公告)号:UA86770C2
公开(公告)日:2009-05-25
申请号:UAA200512449
申请日:2004-05-17
Applicant: DSM IP ASSETS BV
Inventor: SMEETS THEODORUS MARIA , LEMMENS JOANNES ALBERTUS WILHELMUS , MOSTERT FRANK , CHENG PETER WEI-HAE
IPC: B01F5/04 , B01J19/26 , C07D201/00
Abstract: Изобретениекасаетсяспособаполучениякапролактамапутемдобавленияциклoгексаноноксимак реакционнойсмеси, котораясодержиткапролактами сернуюкислоту, спомощьюсмесительногоустройства, причемсмесительноеустройствовключает (і) трубопровод, черезкоторыйпротекаетреакционнаясмесь, и (іі) каналы, которыерасположенывокругтрубопроводаи открытыв трубопровод, ауказанныйспособвключаетпропусканиереакционнойсмесичерезтрубопроводи подачуциклогексаноноксимав реакционнуюсмесьчерезодинилибольшеизуказанныхканалов, где Re>5000, причем Re означаетчислоРейнольдса, определенноекак, где= плотность (вкг/м) реакционнойсмеси, �
-
公开(公告)号:BRPI0410587A
公开(公告)日:2006-06-20
申请号:BRPI0410587
申请日:2004-05-17
Applicant: DSM IP ASSETS BV
Inventor: SMEETS THEODORUS MARIA , LEMMENS JOANNES ALBERTUS WILHE , MOSTERT FRANK , CHENG PETER WEI-HAE
IPC: B01F5/04 , B01J19/26 , C07D201/04
Abstract: The invention relates to a process for preparing caprolactam by admixture of cyclohexanone oxime to a reaction mixture comprising caprolactam and sulfuric acid using a mixing device, said mixing device comprising (i) a tube through which the reaction mixture can flow, and (ii) channels disposed around the tube, said channels opening into the tube, said process comprising: passing the reaction mixture through the tube, and feeding the cyclohexanone oxime into the reaction mixture through one or more of said channels, wherein Re>5000, Re being the Reynolds number as defined by rho.V.D/eta, wherein rho=density (in kg/m 3 ) of the reaction mixture that is fed to the tube V=velocity of the reaction mixture, V being defined as W/A, wherein W is the flow rate (in m 3 /s) of the reaction mixture that is fed into the tube and A is the cross section area of the tube (in m 2 ) at the level where said channels open into the tube D=diameter of the tube at the level where said channels open into the tube (in m) eta=viscosity of the reaction mixture that is fed into the tube (in Pa.s).
-
公开(公告)号:DE602004009173T2
公开(公告)日:2008-06-26
申请号:DE602004009173
申请日:2004-05-17
Applicant: DSM IP ASSETS BV
IPC: C07D201/04 , B01F5/04 , B01J19/26
Abstract: The invention relates to a process for preparing caprolactam by admixture of cyclohexanone oxime to a reaction mixture comprising caprolactam and sulfuric acid using a mixing device, said mixing device comprising (i) a tube through which the reaction mixture can flow, and (ii) channels disposed around the tube, said channels opening into the tube, said process comprising: passing the reaction mixture through the tube, and feeding the cyclohexanone oxime into the reaction mixture through one or more of said channels, wherein Re>5000, Re being the Reynolds number as defined by rho.V.D/eta, wherein rho=density (in kg/m 3 ) of the reaction mixture that is fed to the tube V=velocity of the reaction mixture, V being defined as W/A, wherein W is the flow rate (in m 3 /s) of the reaction mixture that is fed into the tube and A is the cross section area of the tube (in m 2 ) at the level where said channels open into the tube D=diameter of the tube at the level where said channels open into the tube (in m) eta=viscosity of the reaction mixture that is fed into the tube (in Pa.s).
-
公开(公告)号:DE602004009173D1
公开(公告)日:2007-11-08
申请号:DE602004009173
申请日:2004-05-17
Applicant: DSM IP ASSETS BV
IPC: C07D201/04 , B01F5/04 , B01J19/26
Abstract: The invention relates to a process for preparing caprolactam by admixture of cyclohexanone oxime to a reaction mixture comprising caprolactam and sulfuric acid using a mixing device, said mixing device comprising (i) a tube through which the reaction mixture can flow, and (ii) channels disposed around the tube, said channels opening into the tube, said process comprising: passing the reaction mixture through the tube, and feeding the cyclohexanone oxime into the reaction mixture through one or more of said channels, wherein Re>5000, Re being the Reynolds number as defined by rho.V.D/eta, wherein rho=density (in kg/m 3 ) of the reaction mixture that is fed to the tube V=velocity of the reaction mixture, V being defined as W/A, wherein W is the flow rate (in m 3 /s) of the reaction mixture that is fed into the tube and A is the cross section area of the tube (in m 2 ) at the level where said channels open into the tube D=diameter of the tube at the level where said channels open into the tube (in m) eta=viscosity of the reaction mixture that is fed into the tube (in Pa.s).
-
公开(公告)号:MXPA05012621A
公开(公告)日:2006-02-08
申请号:MXPA05012621
申请日:2004-05-17
Applicant: DSM IP ASSETS BV
Inventor: CHENG PETER WEI-HAE
IPC: B01F5/04 , C07D201/04 , B01J19/26
Abstract: La invencion se refiere a un procedimiento para preparar caprolactama mezclando oxima de ciclohesanona a una mezcla de reaccion que comprende caprolactama y acido sulfurico usando un dispositivo de mezclado, dicho dispositivo de mezclado comprendiendo (i) un tubo a traves del cual puede fluir la mezcla de reaccion, y (ii) canales dispuestos alrededor del tubo, dichos canales abriendose en el tubo, el procedimiento comprendiendo: hacer pasar la mezcla de reaccion a traves del tubo, y alimentar la oxima de ciclohexanona a la mezcla de reaccion a traves de uno o mas de dichos canales, en donde Re > 5,000, Re siendo el numero de Reynolds como se define por (.V.D/(, en donde ( = densidad (en kg/m3) de la mezcla de reaccion que se alimenta al tubo; V = velocidad de la mezcla de reaccion, V siendo definida como W/A, en donde W es la velocidad de flujo (en m3/s) de la mezcla de reaccion que se alimenta al tubo y A es el area de seccion transversal del tubo (en m2) al nivel en donde los canales se abren en el tubo; D = diametro del tubo al nivel en donde los canales se abren en el tubo (en m); ( = viscosidad de la mezcla de reaccion que se alimenta al tubo (en Pa(s).
-
-
-
-
-