Method and device for cleaning a tube in which a fluid-circulates, and
their use in heat-exchanger tubes
    2.
    发明授权
    Method and device for cleaning a tube in which a fluid-circulates, and their use in heat-exchanger tubes 失效
    用于清洗其中流体循环的管的方法和装置及其在热交换器管中的用途

    公开(公告)号:US5013368A

    公开(公告)日:1991-05-07

    申请号:US439088

    申请日:1989-11-20

    CPC分类号: F28G3/10

    摘要: The invention relates to a method for the continuous cleaning of the inside of a tube in which a fluid circulates, in which method there is continuously driven in rotation within the tube by the fluid a movable element, one end of which is fastened to one end of the tube through a mechanical linkage permitting it to rotate freely on itself about the axis of the tube. In accordance with the invention, the movable element comprises at least one sharp edge designed to scrape the inner surface of the tube, this edge being disposed so that during the rotation of the movable element it is, along every cross section of the tube, the portion of the movable element farthest removed from the axis of the tube.

    摘要翻译: 本发明涉及一种用于连续清洁其中流体循环的管的内部的方法,其中通过流体在管内连续地驱动旋转的方法,可移动元件的一端固定在一端 通过机械连接使得其能够围绕管的轴线自由地旋转。 根据本发明,可移动元件包括设计成刮擦管的内表面的至少一个锋利边缘,该边缘设置成使得在可移动元件的旋转期间,沿着管的每个横截面, 可移动元件的距离管的轴线最远的部分。

    Device for injection of a hydrocarbon feedstock into a catalytic
cracking reactor
    3.
    发明授权
    Device for injection of a hydrocarbon feedstock into a catalytic cracking reactor 失效
    用于将烃原料注入催化裂化反应器的装置

    公开(公告)号:US5037616A

    公开(公告)日:1991-08-06

    申请号:US209647

    申请日:1988-06-21

    摘要: A device for injection of a hydrocarbon feedstock into a catalytic cracking reactor comprising, from upstream to downstream in the direction of flow of the feedstock, an intake and mixing system (5) for the liquid hydrocarbon feedstock and steam, a venturi tube (6) whose entrance cone (10) is joined to said intake and mixing system (5), and a protective cap (7) that is integral with the discharge cone (14) of the venturi tube and is provided with an orifice (16) for injection of the feedstock into the reactor. The dimensions of the venturi tube (6) are such that the velocity of the mixture of liquid feedstock and steam attains therein sonic conditions at the level of the throat (13), and the rectilinear throat located between the discharge cone (14) and the entrance cone (10) is connected to such cones continuously by a curved section without making an angle exceeding about 5 degrees and about 15 degrees, respectively, with the axis of the venturi tube.

    摘要翻译: 一种用于将烃原料注入催化裂化反应器的装置,包括从原料流动方向的上游到下游的用于液体烃原料和蒸汽的进料和混合系统(5),文丘里管(6) 其入口锥体(10)连接到所述进气和混合系统(5)以及与文丘里管的排出锥体(14)成一体的保护盖(7),并且设置有用于喷射的孔口(16) 的原料进入反应器。 文丘里管(6)的尺寸使得液体原料和蒸汽的混合物的速度在喉部(13)的水平处达到其中的声波条件,并且位于排出锥体(14)和 入口锥体(10)通过弯曲部分连续地连接到这种锥体上,而不是分别与文丘里管的轴线成大于约5度和约15度的角度。

    Process for improving the deshafting of a heavy hydrocarbon feedstock
    4.
    发明授权
    Process for improving the deshafting of a heavy hydrocarbon feedstock 失效
    改善重质烃原料脱盐的方法

    公开(公告)号:US4882035A

    公开(公告)日:1989-11-21

    申请号:US84637

    申请日:1987-08-12

    IPC分类号: C10G21/00

    CPC分类号: C10G21/003

    摘要: A process for improving the deasphalting of a heavy hydrocarbon feedstock with a solvent by subjecting the feedstock to shearing alternatively after and/or before the addition of at least a portion of the solvent to the feedstock is disclosed. Alternative means for effecting the shearing and desired ranges of shear are also disclosed.

    摘要翻译: 公开了一种用于通过在原料中加入至少一部分溶剂之后和/或之前对原料进行剪切来改进重质烃原料用溶剂进行脱沥青的方法。 还公开了用于实现剪切和期望的剪切范围的替代方式。

    Device for positioning a rotatable element within a tube
    5.
    发明授权
    Device for positioning a rotatable element within a tube 失效
    用于将可旋转元件定位在管内的装置

    公开(公告)号:US4781245A

    公开(公告)日:1988-11-01

    申请号:US2110

    申请日:1987-01-12

    CPC分类号: F28F13/125 F28F19/00 F28G3/08

    摘要: The invention concerns a positioning device for a tube cleaning element rotatably driven by fluid passing through the tube. This is particularly useful for heat exchanger tubes. This device includes an open-frame support member (1) having one or more parts (8a, 8b) (preferably of generally cylindrical shape) for mounting on the outside on one end of said tube, and further includes a spindle (2) mounted for rotation with respect to said frame (1) along the axis of the end of said tube and adapted to be fastened to said rotatable element.

    摘要翻译: 本发明涉及一种用于通过流过管的流体可旋转地驱动的管清洁元件的定位装置。 这对于热交换器管特别有用。 该装置包括具有一个或多个部分(8a,8b)(优选地为大致圆柱形形状)的开放式框架支撑构件(1),用于安装在所述管的一端上的外部,并且还包括安装在主体 相对于所述框架(1)沿着所述管的端部的轴线旋转并且适于紧固到所述可旋转元件。

    Petroleum fuel base
    6.
    发明授权
    Petroleum fuel base 失效
    石油燃料基地

    公开(公告)号:US5718820A

    公开(公告)日:1998-02-17

    申请号:US638964

    申请日:1996-04-25

    CPC分类号: C10L1/08 C10G67/00 C10G67/04

    摘要: A fuel for internal combustion engines having an improved cetane index and lower sulfur content is obtained from a hydrocarbon charge, by a process comprising a step (a) for distillation (D1) in which a bottom product (Q1) is obtained via a line 3 and in which a top product (T1) is obtained via a line 2, a step (b) of liquid/liquid extraction (LE) using a solvent (S1) to obtain a raffinate (R1), (line 5) an extract from which product (Q1) is obtained (line 6), a step c) separating (D2) the raffinate (R1) enabling a product (Q2) to be obtained via line 7, which product has a low solvent (S1) content, and a step (d) of hydrotreatment (HDS) in which the mixture of the products (T1) and (Q2) are subjected to hydrotreatment with a hydrogen partial pressure of less than 10 megapascals, to obtain a product (P) (line 9) which has improved qualities and which contains less than 500 ppm by weight sulphur. According to one particular embodiment, the extract (E1) (line 6) is distilled in order to obtain, via line 11, a bottom product (Q3) which is then conveyed to a hydrotreatment zone in such a way that a product (P') is obtained via a line 12 which contains less than 0.3% by weight sulphur.

    摘要翻译: 具有改进的十六烷指数和较低硫含量的内燃机的燃料由烃装料通过包括通过蒸馏的步骤(a)(D1)的方法获得,其中通过管线3获得底部产物(Q1) 其中通过管线2获得顶部产品(T1),使用溶剂(S1)获得液体/液体提取步骤(b)以获得萃余液(R1),(第5行)来自 获得产物(Q1)(第6行),步骤c)分离(D2)残留物(R1),使产物(Q2)能够通过线7获得,该产物具有低溶剂(S1)含量,以及 将产物(T1)和(Q2)的混合物在小于10兆帕的氢分压下进行加氢处理的加氢处理(HDS)步骤(d)得到产物(P)(第9行) 其具有改进的质量并且含有少于500重量ppm的硫。 根据一个具体实施方案,蒸馏提取物(E1)(管线6),以通过管线11获得底部产物(Q3),然后将其输送到加氢处理区域,使得产物(P' )通过含有小于0.3重量%硫的管线12获得。

    Apparatuses for the loading of an enclosure with a particulate solid
    7.
    发明授权
    Apparatuses for the loading of an enclosure with a particulate solid 失效
    用于装载具有颗粒状固体的外壳的装置

    公开(公告)号:US4564328A

    公开(公告)日:1986-01-14

    申请号:US566570

    申请日:1983-12-29

    IPC分类号: B01J8/00 B65G69/04 B65G65/32

    摘要: Apparatus for loading an enclosure with particulate solids includes a loading hopper, a discharge chute (integral with the hopper), and a movable member disposed below the outlet opening of the chute. The movable member includes a shaft driven in rotation by a motor and flexible, moderately hard deflecting strips, which are articulated to the shaft or to a structure rigidly integral with the shaft, so as to spread out from the shaft at an angle by the effect of centrifugal force when driven in rotation. At least one discharge opening is provided in the side wall of the hopper and/or of the chute in the direction of the rotating deflecting strips.

    摘要翻译: 用于装载具有颗粒固体的外壳的装置包括装载料斗,排料槽(与料斗一体))和设置在滑槽出口开口下方的活动件。 可动构件包括由马达驱动旋转的轴和柔性的适度硬的偏转条,其被铰接到轴或与轴刚性地一体的结构,以便以一定的角度从轴向外展开 的离心力旋转驱动。 至少一个排出口设置在料斗和/或滑槽的侧壁沿着旋转的偏转条的方向。

    Apparatus and method for distribution of a divided solid in an enclosure
    8.
    发明授权
    Apparatus and method for distribution of a divided solid in an enclosure 失效
    在外壳中分配固体的装置和方法

    公开(公告)号:US4306829A

    公开(公告)日:1981-12-22

    申请号:US58210

    申请日:1979-07-17

    CPC分类号: B01J8/002 B65G69/0458

    摘要: Apparatus for distribution of particulate matter in a tank or similar enclosure, comprising a feed hopper, a discharge conduit integral with the hopper, a motor-driven rotating shaft disposed axially of the outlet opening of the conduit, and downstream of said outlet opening is at least one fairly soft deflecting means carried on the shaft and articulated thereto so as to diverge angularly by the effect of the centrifugal force when driven in rotation. The apparatus is for use particularly in charging a chemical reactor with catalyst particles and in the storage of grains in silos.

    摘要翻译: 用于在罐或类似的外壳中分配颗粒物质的设备,包括进料斗,与料斗成一体的排出管道,设置在管道的出口开口轴向并位于所述出口开口下游的马达驱动的旋转轴在 至少一个相当柔软的偏转装置承载在轴上并铰接到其上,以便当旋转驱动时通过离心力的作用在角度上发散。 该装置特别用于对具有催化剂颗粒的化学反应器进行充电以及在筒仓中储存谷物。

    Process for the production of an internal combustion engine fuel base by
hydrotreatment and extraction, and the product produced therefrom
    9.
    发明授权
    Process for the production of an internal combustion engine fuel base by hydrotreatment and extraction, and the product produced therefrom 有权
    通过加氢处理和提取生产内燃机燃料基料的方法及由其制备的产品

    公开(公告)号:US6165348A

    公开(公告)日:2000-12-26

    申请号:US332880

    申请日:1999-06-15

    IPC分类号: C10G67/00 C10G67/04 C10L1/06

    摘要: The invention concerns a petroleum product and a process for the production of a petroleum product which can form part of a blend for an internal combustion engine fuel, the process comprisinga) hydrotreating a hydrocarbon feedstock at a partial pressure of hydrogen at the reactor outlet of about 0.5 MPa to about 6 MPa,b) separating a product (P) from step a) into a product (P1) with a final boiling point of about 300.degree. C. and a product (P2) with an initial boiling point greater than the final boiling point of product (P1),c) performing a liquid-liquid extraction with a solvent (S1), to produce an extract (E1) and a raffinate (R1) from product (P2),d) recovering solvent (S1) from raffinate (R1) to produce a product (Q1), depleted in solvent (S1), which has improved qualities and contains less than 500 ppm by weight of sulphur.

    摘要翻译: 本发明涉及石油产品和石油产品的生产方法,该石油产品可以形成内燃机燃料的共混物的一部分,该方法包括:a)在氢的分压下在烃的反应器出口的氢气的加压处理 约0.5MPa至约6MPa,b)将步骤a)中的产物(P)分离成终沸点约300℃的产物(P1)和初始沸点大于 产物(P1)的最终沸点,c)用溶剂(S1)进行液 - 液萃取,从产物(P2)产生萃取物(E1)和萃余液(R1),d)回收溶剂(S1 )从残液(R1)生产产生(Q1)的产物(Q1),其消耗溶剂(S1),其具有改善的质量并且含有少于500重量ppm的硫。

    Process for obtaining a fuel through extraction and hydrotreatment of a
hydrocarbon charge, and the gas oil obtained
    10.
    发明授权
    Process for obtaining a fuel through extraction and hydrotreatment of a hydrocarbon charge, and the gas oil obtained 失效
    通过烃装料的提取和加氢处理获得燃料的方法和所得的瓦斯油

    公开(公告)号:US5527448A

    公开(公告)日:1996-06-18

    申请号:US231932

    申请日:1994-04-25

    CPC分类号: C10L1/08 C10G67/00 C10G67/04

    摘要: A process for obtaining a fuel for internal combustion engines from a hydrocarbon charge, comprising a step (a) for distillation (D1) in which a bottom product (Q1) is obtained via a line 3 and in which a top product (T1) is obtained via a line 2, a step (b) of liquid/liquid extraction (LE) using a solvent (S1) to obtain a raffinate to (R1), (line 5) and an extract from which product (Q1) an extract (E1) is obtained (line 6) and a raffinate, a step c) of separating (D2) the raffinate (R1) enabling a product (Q2) to be obtained via line 7, which product has a low solvent (S1) content, and a step (d) of hydrotreatment (HDS) in which the mixture of the products (T1) and (Q2) are subjected to hydrotreatment with a hydrogen partial pressure of less than 10 megapascals, to obtain a product (P) (line 9) which has improved qualities and which contains less than 500 ppm by weight sulphur. According to one particular embodiment, the extract (E1) (line 6) is distilled in order to obtain, via line 11, a bottom product (Q3) which is then conveyed to a hydrotreatment zone in such a way that a product (P') is obtained via a line 12 which contains less than 0.3% by weight sulphur.

    摘要翻译: 一种从烃装料获得用于内燃机的燃料的方法,包括用于蒸馏的步骤(a)(D1),其中通过管线3获得底部产物(Q1),其中顶部产物(T1)为 通过线2获得液体/液体萃取(LE)的步骤(b),使用溶剂(S1)获得提余液至(R1),(第5行)和产物(Q1)提取物 (第6行)和萃余液,分离(D2)萃余液(R1)的步骤c),使产物(Q2)能够通过管线7获得,该产物具有低溶剂(S1)含量, 和加氢处理(HDS)的步骤(d),其中将产物(T1)和(Q2)的混合物在小于10兆帕的氢分压下进行加氢处理,得到产物(P)(第9行 ),其具有改善的质量并且含有少于500重量ppm的硫。 根据一个具体实施方案,蒸馏提取物(E1)(管线6),以通过管线11获得底部产物(Q3),然后将其输送到加氢处理区域,使得产物(P' )通过含有小于0.3重量%硫的管线12获得。