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A glass-lined stirrer with a conical draft tube

A guide tube and glass-lined technology, which is applied to mixers with rotating stirring devices, mixer accessories, chemical instruments and methods, etc., can solve the problem that the material cannot be suspended quickly, the effect of stirring and mixing in the whole kettle is affected, and the discharge port is blocked, etc. problems, achieve the effect of preventing clogging, improving mixing effect and eliminating dead zone

Active Publication Date: 2015-12-02
SUZHOU XIELI CHEM EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the speed of fluid downward and circumferential flow in this area is significantly weaker than that of the surrounding area, the dense material deposited in this area cannot be suspended quickly, which affects the stirring and mixing effect of the whole kettle, and the slow flow speed in this area will also cause discharge openings. the jam

Method used

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  • A glass-lined stirrer with a conical draft tube
  • A glass-lined stirrer with a conical draft tube

Examples

Experimental program
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Effect test

Embodiment 1

[0016] see figure 1 , the paddle-type glass-lined agitator with a conical draft tube provided in this embodiment includes a stirring shaft 1 arranged in the up-down direction, a paddle-type blade 2 fixedly connected to the stirring shaft 1, and a glass-lined conical The guide tube 3, wherein the paddle blade 2 is fixed on the lower part of the stirring shaft 1, and the conical guide tube 3 is arranged coaxially with the stirring blade. In this implementation, the conical guide tube 3 is coaxially sleeved on the outer circumference of the paddle blade 2 , and the conical guide tube 3 rotates synchronously with the paddle blade 2 . After the stirring shaft 1, the paddle blade 2 and the conical guide tube 3 are connected, the surface is glass-lined to form a whole. The diameter D of the upper opening of the conical draft tube 3 is greater than the diameter d of the bottom opening, the ratio d / D of the diameter d of the bottom opening to the diameter D of the upper opening is bet...

Embodiment 2

[0022] see figure 2 , the structure of the propulsion glass-lined agitator with conical guide tube provided in this embodiment is basically the same as that of embodiment one, the difference is that the glass-lined agitation vessel in this embodiment is a propulsion agitator, that is, the stirring blade is Propel blade 4. After installing the push-type glass-lined agitator of this example in the same installation method as that of Example 1 in the reactor whose inner surface is glass-lined, the obtained glass-lined stirring vessel can also increase the flow velocity in the central area of ​​the bottom of the reactor. , Eliminate the flow dead zone, shorten the mixing time and prevent the blockage of the discharge port at the bottom of the reactor.

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Abstract

The invention provides a glass lining mixer with a conical guide cylinder. The glass lining mixer comprises a mixing shaft, a mixing paddle and the conical guide cylinder, wherein the mixing paddle is fixedly connected with the mixing shaft, the surface of the conical guide cylinder is lined with glass, and the conical guide cylinder and the mixing paddle are coaxially arranged. With the adoption of the glass lining mixer, the mixing paddle enables fluid to axially flow, and the fluid can generate jet flow after passing through the conical guide cylinder, so that the flowing dead area in the space at the bottom of the mixing shaft can be effectively eliminated, the mixing time is shortened, the mixing efficiency is improved, and the blockage of a discharge hole in the bottom of a vessel can also be prevented. The glass lining mixer with the conical guide cylinder provided by the invention has good liquid-liquid mixing or liquid-solid mixing effect under the condition of large density difference.

Description

technical field [0001] The invention relates to the technical field of glass-lined equipment for mixing solid-liquid or liquid-liquid, in particular to a glass-lined stirrer with a conical draft tube. Background technique [0002] At present, conventional glass-lined agitators can be divided into several types such as anchor type (frame type), impeller type, paddle type and propulsion type agitator. Among them, the anchor type (frame type) and impeller type agitators mainly produce radial flow and annular flow, and the fluid axial flow is less, which is suitable for the mixing between liquid-liquid and liquid-solid with small density difference. When the density difference of the mixed medium needs to be increased, it is necessary to make the fluid generate stronger axial thrust and axial flow. The glass-lined paddle type and propulsion type agitator can generate annular flow and axial flow at the same time, forming a better whole kettle circulation. However, during the us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F7/18B01F15/00
Inventor 付双成钱建丰巩建鸣李岩付飞
Owner SUZHOU XIELI CHEM EQUIP