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Device for continuously and rapidly defoaming high-viscosity fluid

A high-viscosity, fluid technology, applied in the direction of foam dispersion/prevention, etc., can solve the problems of long static vacuum degassing time, non-continuous degassing, poor equipment flexibility, etc., to achieve high-quality degassing, rapid degassing, and production loss and the effect of little pollution

Active Publication Date: 2010-08-04
CHINA BLUESTAR CHENGRAND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims to overcome the defects of high-viscosity polymer solution, such as long static vacuum defoaming time and inability to continuously defoam, fluids with different viscosities and flow rates, poor flexibility of equipment, etc., to provide a continuous and rapid defoaming of high-viscosity fluid bubble device

Method used

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  • Device for continuously and rapidly defoaming high-viscosity fluid
  • Device for continuously and rapidly defoaming high-viscosity fluid
  • Device for continuously and rapidly defoaming high-viscosity fluid

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Embodiment Construction

[0021] Embodiment is further described below in conjunction with accompanying drawing of the present invention:

[0022] Such as figure 1 , 2 As shown, the embodiment of the present invention consists of a head 1, a feed port 2, a vacuum suction port 3, a head sight glass 4, an umbrella 5, a head flange 6, a vacuum kettle 7, a kettle body sight glass 8, and a kettle body. Body jacket medium inlet 9, kettle body jacket medium outlet 10, outlet flange 11, screw 12, screw cooling medium inlet 13, screw cooling medium outlet 14, material outlet 15, sealing device 16, screw stabilizing device 17 , transmission device 18, cooling medium outlet 19 in the screw, cooling medium inlet 20 in the screw, motor 21, transmission belt 22, slit 23, and slit adjustment device 24.

[0023] The head 1 is located on the upper part of the vacuum kettle 7, and is connected to the vacuum kettle 7 through the head flange 6. The diameter of the vacuum kettle 7 is 400-1200 mm, the length is 700-1500 m...

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Abstract

The invention relates to a device for continuously and rapidly defoaming high-viscosity fluid. The upper part of the device is a vacuum defoaming tank; a vacuum suction opening is arranged on the vacuum defoaming tank, and an umbrella-shaped piece is arranged in the vacuum defoaming tank; the upper part of the umbrella-shaped piece is narrower than the lower part and is connected with a feeding inlet; the position where the upper part of the umbrella-shaped piece is connected with the feeding inlet is provided with a slit and a slit adjusting device; the fluid of different viscosity and flow rate, which enters the vacuum defoaming tank, can form continuous films of uniform thickness on the umbrella-shaped piece by adjusting the width of the slit; the lower part of the device is a screw extruder which is provided with a motor and a driving device; the motor rotates to drive a screw to rotate so as to continuously output the material in the vacuum defoaming tank; in addition, a stirring device can be arranged in the vacuum defoaming tank according to the need, and the stirring device can be driven by the screw at the bottom or other driving force on the top of the vacuum defoaming tank. The device can be used for continuously and rapidly defoaming the high-viscosity fluid, particularly the high-viscosity fluid whose characteristic can change along with time, temperature and other factors.

Description

technical field [0001] The invention relates to a continuous and rapid defoaming device for high-viscosity fluid in the high polymer field. It is especially suitable for continuous and rapid defoaming in the production of high-viscosity fluids. Background technique [0002] In the spinning process of high-viscosity polymer solution, in order to improve fiber quality, reduce spinning breakage, and increase productivity, the polymer solution needs to be defoamed to remove small bubbles in the solution. The usual method is static Vacuum defoaming method and slit overflow defoaming method. [0003] For static defoaming, because the diffusion speed of bubbles in high-viscosity fluid is very slow, it takes a long time for bubbles to migrate from the middle and lower part of the solution to the surface under vacuum negative pressure, so the defoaming time is long, and for some high-viscosity polymers For example, the polymer stock solution used in the production of aramid fibers ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D19/02
Inventor 王凤德彭涛邱锋杨其武彭开云陈超峰
Owner CHINA BLUESTAR CHENGRAND CO LTD
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