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Modularized multi-chamber continuous kneading machine

A multi-chamber, kneading machine technology, applied in the field of continuous kneading, can solve the problems of inability to provide large shear force, single equipment suitable for materials, less variable parameters of equipment, etc., to achieve flexible equipment, wide range of materials, no kneading dead end effect

Active Publication Date: 2019-04-23
XIAN MODERN CHEM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the screw continuous kneading process has limited output torque for emerging composite resin materials, and is not suitable for composite materials with too high solid content, and the equipment is suitable for single materials. The gap between them is relatively large, and when kneading the composite resin materials with high viscosity and high molecular weight polymers containing small component fillers developed in recent years, there are problems such as inability to provide large shear force and insufficient kneading; many The chamber continuous kneading process has large output torque and high kneading capacity, but due to the small number of variable parameters of the equipment, it cannot respond to the needs of different kneading temperatures, shear stresses, and residence times for different high-viscosity composite materials.

Method used

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  • Modularized multi-chamber continuous kneading machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The modular multi-chamber continuous kneader described in this example is mainly used for kneading sodium sulfate powder with a solid content of 40% and a particle size of 350 μm and HTPB.

[0020] see figure 1 , the feed chamber 6, the kneading chamber 10, and the discharge chamber 11 are arranged in series, and the chamber and the chamber are fixed by connecting screws 5; the upper end of the feed chamber 6 has a feed port; the kneading chamber There are four chambers 10; a discharge port 10 is provided on the side of the discharge chamber 11.

[0021] see figure 1 , The sieve plates 9 are fixed by grooves between the 6 chambers, and the apertures of the sieve plates are 5mm, 4mm, 3mm, 2mm, and 1mm in sequence.

[0022] see figure 1 , the minimum gap between the blades 7 is 1mm; the blades 7 are twisted in the axial direction, wherein the blades located in the upper semicircle of the chamber are right-handed, and the blades of the lower semicircle are left-handed, ...

Embodiment 2

[0024] The modular multi-chamber continuous kneader described in this example is mainly used for kneading calcium carbonate powder with a solid content of 60% and a particle size of 1 μm with cellulose acetate in glycerol triacetate.

[0025] The feeding chamber 6, the kneading chamber 10, and the discharging chamber 11 are arranged in series, and the chamber and the chamber 6 are fixed by connecting screws 5; the upper end of the feeding chamber 6 has a feeding port; the kneading chamber There are 6 chambers 10; the side of the discharge chamber 11 has a discharge port; the kneading chamber 10 has a heating water jacket, and the heating temperature is 40 degrees Celsius.

[0026] The sieve plates 9 are fixed by grooves between the 6 chambers, and the apertures of the sieve plates 9 are 45 mesh, 100 mesh, 200 mesh, 400 mesh, 800 mesh, 1250 mesh, and 2500 mesh.

[0027] The minimum gap between the blades 7 is 0.5mm; the blades 7 are twisted in the axial direction, wherein the b...

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Abstract

The invention discloses a modularized multi-chamber continuous kneading machine which can be applicable to high-solid-content composite materials. The equipment is flexible, and kneading is full. Thedevice comprises a hopper 8, chambers 6, paddles 7, a sieve plate 9, connecting screws 5, a support 4, a guide rail 2, fastening screws 3 and a base 1. Each paddle is driven independently, larger torque is provided, the number of the chambers arranged in a series-connection manner is changed to adapt to materials with different solid contents, the stay time of the materials is adjusted, by means of counter rotating of the paddles, the materials are pushed in the tangential direction while being kneaded, and continuous flowing of the materials among the chambers is achieved. According to the machine, the defects of an existing screw continuous kneading technology, a double-rotor continuous mixing technology, a multi-chamber continuous kneading technology and the like are made up, the kneading ability of the kneading equipment is improved, flexibility is higher, autonomy is higher, and the application range of the equipment is expanded.

Description

technical field [0001] The invention belongs to the field of continuous kneading and relates to a multi-chamber continuous kneader, in particular to a modular multi-chamber kneader for continuous kneading of materials with high solid content. Background technique [0002] In recent years, due to the continuous development of new composite resin materials, especially the increase in the types of high-viscosity composite materials, and the increasing proportion of solid phase content in composite materials, the demand for continuous kneading equipment to improve kneading ability and wider application range is increasing. rise. [0003] Currently commonly used continuous kneading processes include screw continuous kneading process, twin-rotor continuous mixing process, multi-chamber continuous kneading process, etc. However, the screw continuous kneading process has limited output torque for emerging composite resin materials, and is not suitable for composite materials with t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B7/46B29B7/58B29B7/72B29B7/82
CPCB29B7/46B29B7/58B29B7/72B29B7/82
Inventor 刘晶魏宗亮秦能谢中元陈松王勇孙晓朋李萌
Owner XIAN MODERN CHEM RES INST
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