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    • 106. 发明申请
    • Multi-stage aerator
    • 多级曝气机
    • US20020109243A1
    • 2002-08-15
    • US10115534
    • 2002-04-03
    • Examiner S. Bushey
    • Thomas Joseph Vento
    • B01F003/04
    • B01F3/04836B01F3/04531B01F3/04609B01F7/0045B01F7/00633B01F7/00641B01F2003/04673B01F2003/04687
    • A high efficiency impeller-type aerator designed for aeration of the water supply of aquatic organisms has a first impeller, a second impeller, and a pump casing having at least one water inlet, one air inlet, and one water outlet. The first and second impellers are disposed between the pump water inlet and outlet, and the pump casing includes constricted portions in association with the first and second impeller to define axial flow direction boundaries. The air inlet is located at the constricted portion, and the axial flow direction boundaries define a channel through which the second impeller urge water to facilitate low pressure that creates a venturi which causes air suction at the pump air inlet.
    • 设计用于曝气水生生物供水的高效叶轮式曝气器具有第一叶轮,第二叶轮和具有至少一个进水口,一个空气入口和一个出水口的泵壳。 第一和第二叶轮设置在泵入水口和出口之间,并且泵壳体包括与第一和第二叶轮相关联的收缩部分以限定轴向流动方向边界。 空气入口位于收缩部分处,轴向流动方向边界限定了通道,第二叶轮通过该通道推动水以促进低压,从而产生文丘里管,其在泵空气入口处引起空气吸入。
    • 108. 发明授权
    • Mixing system for introducing and dispersing gas into liquids
    • 用于将气体引入和分散到液体中的混合系统
    • US6158722A
    • 2000-12-12
    • US159531
    • 1998-09-23
    • Bernd Gigas
    • Bernd Gigas
    • B01F3/04B01F7/00B01F7/18
    • B01F3/04539B01F3/04836B01F7/18B01F2003/04546B01F2003/0456B01F2003/04581B01F2003/04631B01F2003/04687B01F2003/04702B01F7/00133B01F7/00291B01F7/00633
    • A mixing system utilizes up pumping impellers which entrain gas into the liquid both at the surface (the gas liquid interface) and below the surface by induction to draw gas down below the surface where it is dispersed into the circulation produced by the impellers. The impellers are the axial flow type. Tubes disposed on the suction sides of the impeller blades, and providing gas outlets near the tips of the blades, rotate with the impellers. The tubes may extend along the shaft above the surface or into a hollow shaft having a breathing opening above the surface. The rotation of the impeller produces a suction at the tube outlets to draw gas into the liquid while the upward circulation produces surface turbulence for gas entrainment. The entrained gas from the surface and the gas discharged from the tubes is circulated. The system is less sensitive to variations in the level of the liquid between the impeller and the surface than is the case with the systems operating by surface gas entrainment or induction alone and even systems using induction and vortices created by down pumping impellers, as have heretofore been proposed. The gas transfer, as measured by the mass transfer co-efficient (kLa), is less sensitive to liquid level and the decrease of the mass transfer co-efficient with increasing liquid level is reduced.
    • 混合系统利用上升的泵送叶轮,其通过感应将气体在表面(气体液体界面)和表面之下夹带到液体中,以将气体向下排放到其分散在由叶轮产生的循环中的表面下方。 叶轮是轴流式。 设置在叶轮叶片的吸入侧上并且在叶片的尖端附近提供气体出口的管与叶轮一起旋转。 管可以沿着表面上方的轴延伸,或者在表面上方具有呼吸开口的空心轴。 叶轮的旋转在管出口处产生抽吸以将气体吸入液体,同时向上循环产生用于气体夹带的表面湍流。 来自表面的夹带气体和从管排出的气体循环。 与通过表面气体夹带或单独感应操作的系统甚至是使用由下泵送叶轮产生的感应和涡流的系统相比,系统对叶轮和表面之间的液体水平的变化较不敏感,如此之前 被提出。 通过质量传递系数(kLa)测量的气体传递对液体水平较不敏感,并且随着液位增加而降低质量传递的有效性降低。
    • 110. 发明授权
    • Immersible aerator and/or mixer apparatus
    • 浸入式曝气机和/或混合装置
    • US4720361A
    • 1988-01-19
    • US830967
    • 1986-02-19
    • Arvo E. Andersson
    • Arvo E. Andersson
    • B01F3/04B01F7/00B01F13/04
    • B01F7/00733B01F13/04B01F3/04539B01F2003/04546B01F2003/04687
    • The object of the present invention is to protect the driver unit (1) of an immersible aerator and/or mixer apparatus against the surrounding liquid. The driver unit (1) is covered with a compact protective casing (5), to the bottom part whereof the gas to be lead into the mixer (14) is conducted through the gas supply pipe (2). At the junction of the gas supply pipe (2), inside the protective casing (5), there is located a gas supply channel (6) which is open at both ends, and this gas supply channel (6) conducts the gas to flow mainly upwards, to the top part of the driver unit. At its bottom, the protective casing (5) is attached to the base disc (7), and the gas flows through the holes (10) provided in the base disc (7) into the channel formed by the gas control cone (11) and the inner cone (12), and therefrom into the liquid either via the partly hollow secondary axis (13) of the mixer or via a separate gas pipe. During an interruption in the gas supply, the inner cone (12) forms a gas lock which protects the top end of the secondary axis, and the roughly 90.degree. angle in the gas supply pipe (2) forms a gas lock which protects the motor.
    • 本发明的目的是保护浸入式曝气器和/或混合器装置的驱动单元(1)免受周围液体的影响。 驱动器单元(1)被覆盖有紧凑的保护壳体(5),其底部部分将导入混合器(14)的气体通过气体供给管道(2)传导。 在气体供给管(2)的接合部处,在保护壳体(5)的内部,设有在两端敞开的供气路径(6),该气体供给路径(6)使气体流动 主要向上,到驱动单元的顶部。 在其底部,保护壳体(5)附接到基盘(7),并且气体流过设置在基盘(7)中的孔(10)进入由气体控制锥体(11)形成的通道中, 和内锥体(12),并且通过混合器的部分中空的二次轴(13)或经由单独的气体管道进入液体。 在气体供应中断期间,内锥体(12)形成保护次轴顶端的气锁,并且气体供应管(2)中的大约90°角形成气锁,其保护马达 。