公开(公告)号：WO02040175A1

公开(公告)日：2002-05-23

申请号：PCT/EP2001/011663

申请日：2001-10-09

IPC: B04B1/20 ,  B04B11/06

CPC classification number: B04B1/20 ,  B04B11/06 ,  B04B2001/2033

Abstract: The invention relates to a solid bowl screw centrifuge comprising a centrifuging chamber (19) having a rotating screw (1) and a likewise rotating drum (21) surrounding the centrifuging chamber (19), in addition to a distributor (15) which is preferably embodied as a tube and is used to introduce the material to be centrifuged (S) into the centrifuging chamber (19). Said distributor is oriented in a angular manner, especially perpendicularly, in relation to the central axis (A) of the screw (1). The material to be centrifuged is guided through an axially extending inflow tube (13) into the distributor (15). At least one wall (15a) of the distributor is provided with a surface structure consisting of projections (27) in such a way that the main part of the material to be centrifuged (S) which passes through the distributor must flow around at least one of the projections (27) on the at least one wall (15a) on the radial path from the inflow tube (13) to the centrifuging chamber (19).

Abstract translation: 一种固体型螺旋离心机包括离心室（19）具有旋转螺钉（1）和离心室（19）包围，也旋转滚筒（21）和优选地设计成用于引入材料的歧管（15）被离心（S ）（19）到所述离心分离室，其以一定的角度垂直地取向，特别是，（A）与螺杆的中心轴（1）。 在此，材料通过在分配器的轴向延伸的供料管（13）被离心（15）被传递。 在分配器的至少一个侧壁（15a）被这样提供有突起，通过分配器的主要部分流动的离心的表面结构（27）（S）到所述上从在入口管（13）的径向距离的至少一个壁（15a）上 凸起中的至少一个（27）必须流围绕上述离心分离室（19）。

公开(公告)号：WO99062639A1

公开(公告)日：1999-12-09

申请号：PCT/US1998/021277

申请日：1998-10-08

IPC: B04B1/00 ,  B04B1/20 ,  B04B3/04 ,  B04B11/06

CPC classification number: B04B11/06 ,  B04B1/20 ,  B04B3/04 ,  B04B2001/2033

Abstract: A cantilever centrifuge has a support (104), a conveyor (100) cantilevered from the support, a substantially cylindrical solid bowl (102) also cantilevered from the support and extending about the hub (108), and a solid first conical bowl section (110) cantilevered from an end of the solid bowl opposite the support. The first conical bowl section tapers inwardly towards an axis of the conveyor and the bowl, in a direction away from the solid bowl and the support. A second conical bowl section (114), generally in the form of a screen or basket, is connected at one end proximate to a free or downstream end of the first conical bowl section opposite the solid bowl. The second conical bowl section is connected indirectly to the support and tapers outwardly from the rotation axis in a direction away from the free or downstream end of the first conical bowl section. In a specific embodiment, the second conical bowl section surrounds the first conical bowl section and extends away from the downstream end of the first conical bowl section towards the machine support.

Abstract translation: 悬臂离心机具有支撑件（104），从支撑件悬臂的输送机（100），从支撑件悬臂悬伸并围绕毂（108）延伸的基本上圆柱形的实心碗（102），以及固体第一锥形碗部分 110）从固体碗的与支撑件相对的端部悬臂。 第一锥形碗部分沿着远离固体碗和支撑件的方向向内朝向输送机和碗的轴线向内变细。 通常以筛网或篮子的形式的第二锥形碗部分（114）在一端附近接近第一锥形碗部分与固体碗相对的自由或下游端。 第二锥形碗部分间接地连接到支撑件上，并且在远离第一锥形碗部分的自由或下游端的方向上从旋转轴线向外变细。 在一个具体实施例中，第二锥形碗部分围绕第一锥形碗部分并且从第一锥形碗部分的下游端朝向机器支撑件延伸。

公开(公告)号：WO1993010906A1

公开(公告)日：1993-06-10

申请号：PCT/US1992010274

申请日：1992-11-20

Applicant: BAKER HUGHES INCORPORATED

Inventor： BAKER HUGHES INCORPORATED ,  LEUNG, Woon, Fong ,  SHAPIRO, Ascher, H.

IPC: B04B01/20

CPC classification number: B04B1/20 ,  B04B3/02 ,  B04B11/06 ,  B04B2001/2033

Abstract: A feed accelerator system for use in a centrifuge, the system comprising a conveyor hub (26) rotatably mounted substantially concentrically within a rotating bowl (12), and an accelerator (43) including a cone-shaped inside surface (29) disposed between an accelerator base (31) and an accelerator small diameter section (33). The accelerator (43) is secured proximately to its base within the conveyor hub (26) so that the accelerator (43) rotates with the conveyor hub (26). A distributor including a distributor surface (37) having no sharp bends or junctions is secured to the small diameter section (33). A plurality of accelerator vanes (39) are disposed on the cone-shaped inside surface (29) and extend proximately from the small diameter section (33) and terminate at a location on the cone-shaped inside surface (29) proximate to the accelerator base (31) so that an unvaned portion of the cone-shaped inside surface forms a smoothener section (41). A feed pipe (34) having at least one discharge opening (38) is disposed within the centrifuge so that the discharge opening (38) is positioned proximately to the distributor surface (37) at a stand-off distance (D). The stand-off distance (D), feed slurry flow rate, diameter of the feed pipe (34), location of the accelerator vanes (39) proximate to the small diameter section (33), and number of vanes are selected to obtain overall maximum centrifuge efficiency.

Abstract translation: 一种用于离心机的进料加速器系统，该系统包括可旋转地基本上同心地安装在旋转碗（12）内的输送轮毂（26），以及加速器（43），其包括锥形内表面（29） 加速器基部（31）和加速器小径部（33）。 加速器43紧密地固定在输送轮毂26内的基座上，使得加速器43与输送轮毂26一起旋转。 包括没有尖锐弯曲或接合点的分配器表面（37）的分配器被固定到小直径部分（33）。 多个加速器叶片（39）设置在锥形内表面（29）上并且从小直径部分（33）附近延伸并且终止于靠近加速器的锥形内表面（29）上的位置 基部（31），使得锥形内表面的未涂覆部分形成平滑部分（41）。 具有至少一个排出口（38）的进料管（34）设置在离心机内，使得排出口（38）以分离距离（D）靠近分配器表面（37）定位。 选择间隔距离（D），进料浆流量，进料管（34）的直径，靠近小直径部分（33）的加速器叶片（39）的位置和叶片数量以获得总体 最大离心机效率。

公开(公告)号：WO1991013686A1

公开(公告)日：1991-09-19

申请号：PCT/DK1991000075

申请日：1991-03-12

Applicant: ALFA-LAVAL SEPARATION A/S ,  MADSEN, Bent

Inventor： ALFA-LAVAL SEPARATION A/S

IPC: B04B01/20

CPC classification number: B04B1/20 ,  B04B2001/2033

Abstract: A decanter centrifuge comprises a drum (1) with a conveyor (2) containing an inlet (4). The liquid to be separated flows in a jet centrally into the inlet (4) towards an end wall (11), at which the liquid is radially distributed and flows axially onwards towards the second end wall (13) through an area of the inlet (4) free of members imparting an angular velocity to the liquid. The inlet (4) is provided with inlet apertures (6) positioned on a radius larger than the radius to the overflow edge (9) at the liquid discharge. The design of the inlet (4) implies that the free liquid surface in the inlet during operation is drawn far towards the axis of the drum, thereby causing excess energy supplied to the liquid during acceleration to the angular velocity of the conveyor (2) to be dissipated in the comparatively thick liquid layer before the liquid discharges into the separation space (7) through the inlet apertures (6).

Abstract translation: 沉降式离心机包括具有包含入口（4）的输送机（2）的滚筒（1）。 待分离的液体以喷射的方式朝向端壁（11）中心流入入口（4），在该端壁处液体被径向分布并且通过入口的区域朝向第二端壁（13）轴向向前流动 4）没有赋予液体角速度的构件。 入口（4）设置有入口孔（6），该入口孔位于大于在液体排出口处的溢流边缘（9）的半径的半径处。 入口（4）的设计意味着在操作期间入口中的自由液体表面被拉向鼓的轴线，从而在加速期间向输送机（2）的角速度提供给液体的过量能量到 在液体通过入口孔（6）排放到分离空间（7）中之前，在较厚的液体层中消散。