Gas-liquid-solid stirring device

A stirring device, gas-liquid-solid technology, applied in mixers with rotary stirring devices, mixer accessories, transportation and packaging, etc., can solve the problem of reducing the reaction efficiency of gas and liquid, easy gas escape, and difficulty in uniform and large stirring. Control and other issues to achieve the effect of improving gas reaction efficiency, prolonging reaction time, and increasing projection area

Pending Publication Date: 2017-03-15
JIANGSU XINHONGDA GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of adding gas, the gas introduction method also has a great influence on the stirring operation and the physical / chemical process. The gas enters the bottom of the container along a fixed pipe, and then rises through the liquid material with bubbles. The gas distribution It is difficult to control the uniformity, the size of the bubbles and the stirring effect of the gas flow on the bottom of the container; moreover, due to the incompatibility of the gas and liquid involved in the reaction, the gas in the liquid is easy to escape, reducing the reaction efficiency of the gas and the liquid

Method used

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Examples

Experimental program
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Embodiment 1

[0026] Such as Figure 1-3 As shown, a gas-liquid-solid mixing device provided by the present invention includes a driving part, a frame, and a mixing mechanism arranged in sequence, and is characterized in that the mixing mechanism consists of a mixing barrel 11 and a mixing blade with paddles on its axis. The drive is composed of a shaft 6. The driving part includes an electric motor 1, a coupling 2 and a reducer 3 arranged in sequence along the same horizontal axis. An air outlet 12 is provided above the reducer 3, and the reducer 3 is a gear reducer, Worm gear reducer and / or pulley reducer, the frame is composed of a trapezoidal rib 4 for installing the electric motor 1 and a rectangular frame 5 for installing the reducer 3, and the mixing barrel 11 is a cylinder Body, the top is provided with a circular through hole connected to the stirring shaft 6, the top of the stirring shaft 6 is connected to the reducer 3, the bottom end is not connected to the bottom of the stirring ...

Embodiment 2

[0029] When the stirring device is working, the motor 1 is started, and the reducer 3 is driven by the coupling 2 to rotate, and the reducer 3 drives the stirring shaft 6 to rotate at the same time. When the stirring shaft 6 rotates, the stirring shaft 6, the air outlet 12 and the air pipe The raw material gas is sucked into the gas hood 10, so that the gas is evenly and slowly dispersed into the liquid to participate in the reaction, and the gas reaction efficiency is improved; at the same time, the second blade 7 is used to stir and rotate at a high speed to form a negative pressure vortex. The reacted gas is sucked into the liquid, and then undergoes gas-liquid absorption and mass transfer. The gas material further increases the reaction speed with the liquid under the action of stirring.

[0030] The nozzle port with elastic self-closing jet function is open when the gas is supplied because the internal pressure is higher than the external pressure, and the gas is discharged; ...

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Abstract

The invention provides a gas-liquid-solid stirring device. The gas-liquid-solid stirring device comprises a drive piece, a rack and a stirring mechanism, the drive piece, the rack and the stirring mechanism are sequentially arranged, wherein the stirring mechanism comprises a stirring barrel and a stirring shaft, the stirring shaft is axially provided with paddles, the rack comprises a trapezoid rib plate used for installing of a motor and a rectangular frame used for installing of a speed reducer, the top of the stirring shaft is connected with the speed reducer, the bottom end of the stirring shaft is not connected with the bottom of the stirring barrel, the stirring shaft is a hollow shaft and is internally provided with a gas guide tube extending from the top end to the tail end of the stirring shaft, a first paddle and a second paddle are sequentially axially arranged on the stirring shaft from bottom to top, and the bottom end of the first paddle is connected with a gas distribution cover with an elastic self-closing jet exhaust. The novel design and layout of the paddles are adopted, the projected area of the rotating circumference of the paddle on the horizontal plane is increased, a bubble is disintegrated more effectively, the upward diffusion speed of the gas is slowed down, the contact area of gas and solid is increased, the reaction time of gas in the liquid is prolonged, the reaction efficiency of the gas is improved, and the elastic self-closing jet exhaust prevents the liquid from flowing backward into the gas guide tube.

Description

Technical field [0001] The invention relates to a stirring device, in particular to a gas-liquid-solid stirring device. Background technique [0002] In many technical fields, it is often necessary to mix materials so that they can complete a certain physical / chemical reaction to obtain the desired product. Limited by the state of the material, this operation is often carried out in a container with a stirring device. The shape of the container affects the process and results of the operation, but the design of the agitator device is the decisive factor for the stirring effect. The flow of agitated liquid materials includes a macroscopic flow of stepped circulation within the scale of the container and a microscopic flow characterized by the generation, development, movement and dispersion of multiple small eddies, different materials and physical / chemical reactions The process has different requirements for these two types of flows. In the process of adding gas, the way the ga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/18B01F7/18B01F15/02
CPCB01J19/0066B01J19/18B01F27/112B01F27/90B01F35/712B01F35/717
Inventor 陈爱民
Owner JIANGSU XINHONGDA GROUP
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