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    • 1. 发明授权
    • Cleaner with inverted hydrocyclone
    • 用倒置水力旋流器清洁
    • US5566835A
    • 1996-10-22
    • US539445
    • 1995-10-05
    • David B. Grimes
    • David B. Grimes
    • B03B5/28B04C3/06B04C5/08B04C5/085D21D5/24B03B5/34
    • B04C5/08B04C3/06B04C5/085D21D5/24B04C2005/133
    • A cleaner receives input pulp stock in an inverted conical chamber, which acts as a hydrocyclone to direct heavyweight reject flows outwardly, lightweight reject flows into a discharging vortex chamber and accept flows in between to a vortex finder for removal. The cleaner body has an inverted hydrocyclone chamber formed beneath the inverted cone and a ceramic splitter below which skims off the heavyweight reject flow from the accept flow, and diverts it into the inverted hydrocyclone chamber. A portion of the diverted heavyweight reject flow is removed through a toroidal heavyweight rejects relief outlet, but the larger fraction of the heavyweight reject flow is recirculated within the inverted hydrocyclone chamber. Because the chamber narrows as it extends upwardly, the flow increases in speed and angular velocity to such an extent that the flow within the inverted hydrocyclone chamber matches the flow passing by the chamber, thereby preventing turbulent mixing.
    • 清洁器接收倒入锥形室中的输入纸浆原料,其用作水力旋流器以将重量级的废料流向外引导,轻质废料流入排放涡流室,并接受在涡流发生器之间的流动以便去除。 清洁器主体具有倒置的水力旋流器室,其形成在倒锥体下方,并且陶瓷分离器在其下方从接收流中除去重量级的废液流,并将其转移到倒置的水力旋流器室中。 转向的重量级排泄流的一部分通过环形重量级排泄物泄放出口排出,但重量级排泄流的较大部分在倒置水力旋流器室内再循环。 因为腔室向上延伸而变窄,所以流速和角速度增加到使倒置水力旋流器室内的流动与通过腔室的流动相匹配的程度,从而防止湍流混合。
    • 2. 发明授权
    • Electric lathe
    • 电动车床
    • US4669166A
    • 1987-06-02
    • US800335
    • 1985-11-21
    • David B. Grimes
    • David B. Grimes
    • D21B1/24D21B1/28B21K21/16B23P23/00B24B19/00
    • D21B1/24D21B1/28Y10T29/49716Y10T29/4984Y10T29/49995
    • A novel retrofit process for converting the hydraulic lathe of an existing pulp-grinding machine into the new electric one is described. This process includes utilization of the pre-existing hydraulic cylinder as a supporting housing and shield for a major portion of the drive assembly for the electric lathe. In the preferred "retrofit" embodiment, the drive for the lathe comprises a ball-screw assembly housed inside the cylinder, after the cylinder has first been evacuated. This drive assembly includes a longitudinally fixed, but rotatable "power screw" that is supported by opposite ends of the cylinder. A variable speed, reversible motor is located outside one of the cylinder ends and is coupled to the screw to selectively rotate it. A threaded collar is located inside the cylinder and straddles the screw. It carries a pair of parallel, spaced rods that extend through the end of the cylinder that is opposite the cylinder's "motor end". These rods are connected to a yoke which, in turn, is connected to the standard carriage-carrying burr mandrel or "dressing wheel" used in the prior hydraulic lathe.
    • 描述了将现有的纸浆研磨机的液压车床转换成新的电动机的新颖的改进方法。 该过程包括利用预先存在的液压缸作为用于电动车床的驱动组件的主要部分的支撑壳体和屏蔽件。 在优选的“改装”实施例中,在汽缸首先被抽空之后,用于车床的驱动器包括容纳在气缸内的滚珠丝杠组件。 该驱动组件包括由气缸的相对端支撑的纵向固定但可旋转的“动力螺杆”。 可变速度的可逆电动机位于一个气缸端部外部并且联接到螺杆以选择性地旋转它。 螺纹轴环位于气缸内部并跨过螺钉。 它带有一对平行的间隔开的杆,它们延伸穿过气缸的与汽缸的“电机端”相对的端部。 这些杆连接到轭,该轭又连接到在现有液压车床中使用的标准托架运载毛刺心轴或“修整轮”。
    • 5. 发明授权
    • Accuset micrometer lathe
    • Accuset千分尺车床
    • US5113621A
    • 1992-05-19
    • US396657
    • 1989-08-22
    • David B. Grimes
    • David B. Grimes
    • B24B53/04D21B1/28
    • B24B53/04D21B1/28
    • An apparatus is described that converts a manual adjustment procedure of a lathe on an existing pulp-grinding machine into an automated electronic procedure. The pre-existing lathe has a sharpening burr affixed to a movable plunger. The plunger is manually lowered by a hand crank until the burr contacts a surface of a pulp-grinding stone. The present invention replaces the hand crank with a reversible, variable speed motor. A transducer is affixed to the plunger wherein electric signals are produced in response to vibrations resulting from contact between the burr and the grinding stone. The signals are processed by a standard programmable controller to control the motor. An electronic encoder electrically measures the position of the plunger and communicates the position to the programmable controller. When the burr on the plunger contacts the grinding stone, the motor is programmed to automatically stop. The controller can then direct the motor to move the plunger the precise depth required for a specific burr, prior to the lathe making a horizontal pass along the stone. The controller records the contact position of the plunger for the next sharpening procedure.
    • 描述了将现有纸浆研磨机上的车床的手动调节过程转换为自动化电子程序的装置。 预先存在的车床具有固定在活动柱塞上的磨刀毛刺。 柱塞通过手动曲柄手动下降直到毛刺接触到纸浆磨石的表面。 本发明用可逆式变速电动机代替手动曲柄。 换能器固定在柱塞上,其中响应由毛刺和磨石之间的接触产生的振动而产生电信号。 信号由标准可编程控制器处理以控制电机。 电子编码器电测量柱塞的位置并将位置传递到可编程控制器。 当柱塞上的毛刺接触磨石时,电机被编程为自动停止。 然后,控制器可以在车床沿着石头进行水平通过之前,引导电机将柱塞移动到特定毛刺所需的精确深度。 控制器记录柱塞用于下一个锐化程序的接触位置。
    • 8. 发明授权
    • Channeling dam for centrifugal cleaner
    • 用于离心清洗机的水坝
    • US5934484A
    • 1999-08-10
    • US844040
    • 1997-04-18
    • David B. Grimes
    • David B. Grimes
    • B04C3/00B04C5/103D21D5/24B04C3/04
    • D21D5/24B04C3/00B04C3/06B04C5/103
    • The centrifugal cleaner of this invention is of the type having an inverted cylindrical cone, with a tangential inlet at the top and an outlet at the bottom. The improvement consists of placing a ring or flow smoothing means on the inside surface of the cylindrical cone about one-half the diameter of the base of the cone down from the inlet. The ring forces the stock injected into the centrifugal cleaner to flow towards the axis of the cone away from the inside cone wall. Once the stock passes over the dam it once again flows to the inner wall of the cone. The stock, in being forced to flow over the ring, is made uniform, eliminating spiraling of the flow which has been found to decrease the efficiency with which separation within the cleaner is accomplished.
    • 本发明的离心清洁器是具有倒圆柱形锥体的类型,顶部有切向入口和底部出口。 该改进包括将环形或流动平滑装置放置在圆锥形锥体的内表面上,大约距锥体底部的直径从入口向下的一半。 该环迫使注入到离心式清洁器中的原料流向锥体的轴线远离内锥形壁。 一旦股票通过水坝,它再次流入锥体的内壁。 被迫流过环的原料被均匀化,消除已经发现降低实现清洁剂内部分离的效率的流动的螺旋状。
    • 9. 发明授权
    • Multiflow pressurized deinking apparatus
    • 多流量加压脱墨装置
    • US5804061A
    • 1998-09-08
    • US993474
    • 1997-12-18
    • Richard P. HebertDavid B. Grimes
    • Richard P. HebertDavid B. Grimes
    • B03B13/00B03D1/14D21B1/32D21F1/70B03D1/24
    • D21B1/327B03B13/00B03D1/028B03D1/1456B03D1/1462B03D1/1481D21F1/70B03D1/1412Y02W30/646
    • A mixture of air and paper stock made from recycled paper from which the ink particles have been chemically released is injected into a cylindrical processing vessel. Added surfactants create a foam from the air as it rises through the stock and cause the ink particles to adhere to the air bubbles, resulting in a foam containing a concentrated fraction of the ink particles with some included fibers. The foam rises to the top of the vessel, and carries with it ink particles. Additional air injection ports can be used to increase the amount of foam generated and the amount of ink removed. Flow of stock and foam from the vessel can be controlled by adjusting valves on the stock and foam outlets. Flotation sensors allow the foam head to be maintained at the stock level by controlling the rate foam is withdrawn through the foam outlets.
    • 将由油墨颗粒化学释放的再循环纸制成的空气和纸浆的混合物注入圆筒形处理容器中。 添加的表面活性剂从空气中产生泡沫,因为它上升通过原料并使油墨颗粒粘附到气泡上,导致含有一些包含纤维的油墨颗粒的浓缩部分的泡沫。 泡沫上升到容器的顶部,并携带墨水颗粒。 可以使用额外的空气注入口来增加产生的泡沫量和除去的墨水量。 来自容器的原料和泡沫的流动可以通过调节原料和泡沫出口上的阀来控制。 浮选传感器允许通过控制通过泡沫出口抽出泡沫的泡沫头将泡沫头维持在库存水平。
    • 10. 发明授权
    • Through-flow hydrocyclone and three-way cleaner
    • 通流式水力旋流器和三通滤清器
    • US06109451A
    • 2000-08-29
    • US191730
    • 1998-11-13
    • David B. Grimes
    • David B. Grimes
    • B04C3/00B04C3/06D21D5/24B03B5/28
    • D21D5/24B04C3/00B04C3/06
    • The conventional infeed head and inverted cone of a Uniflow cleaner are connected by a generally cylindrical channel dam segment which has an annular inwardly extending channel dam. The narrow end of the inverted cone is connected to a separation body through which a vortex finder extends into the inverted cone. The light reject particles are removed from the input flow through the vortex finder. Accepts and heavy rejects flow into an inverted hydrocyclone chamber within the separation body defined between an outer cylindrical ring and an inner cylindrical ring and the vortex finder. An annular heavy rejects chamber is defined exterior to the outer ring, and fluid is drawn off tangentially therefrom. Accepts flow downwardly though the inner ring into a bowl beneath the separation body, where they are removed from an accepts outlet. The cylindrical or concave surfaces of the separation body are economical to manufacture.
    • Uniflow清洁器的常规进料头和倒锥通过大致圆柱形的通道挡块连接,该槽段具有环形向内延伸的通道坝。 倒锥体的窄端连接到分离体,涡流探测器通过分离体延伸到倒锥体中。 通过涡流探测器从输入流中除去光阻粒子。 接受和沉重的排泄物流入限定在外圆柱形环和内圆柱形环之间的分离体内的反向水力旋流器室和涡流探测器。 环形重型废料室被限定在外环的外部,流体与其相切地从其中排出。 接受通过内圈向下流动到分离体下面的碗中,在那里它们从接受出口移除。 分离体的圆柱形或凹形表面经济地制造。