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Full-meshing type triangular-prism mixing element and equipment

A mixing element and full meshing technology, applied in the mixing field, can solve the problems of difficult maintenance of glass fiber length, lack of conveying capacity, discomfort, etc., and achieve the effect of strong mixing space

Inactive Publication Date: 2019-11-05
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing mixing elements generally provide shear mixing in the molten state of the material. Although the mixing is uniform, the length of the glass fiber is difficult to maintain, and often due to the lack of conveying c

Method used

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  • Full-meshing type triangular-prism mixing element and equipment
  • Full-meshing type triangular-prism mixing element and equipment
  • Full-meshing type triangular-prism mixing element and equipment

Examples

Experimental program
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Effect test

Example Embodiment

[0021] combine figure 1 , a fully meshed three-edged mixing element, the outer edges of the end faces on both sides are composed of several arcs connected. The outer wall is a spiral mixed surface structure. Each section of the spiral mixed surface structure has the same shape as the end faces on both sides but different angles, that is, the projections of the outer edges of each section on a plane perpendicular to the outer wall do not overlap, but the projection point of each section is located on the circumcircle of the section. The fully meshed three-edged mixing element can provide a stretching mixing field and at the same time have the conveying ability.

[0022] Preferably, the end faces on both sides are in a three-end engagement configuration.

[0023] Preferably, the outer edge of the section of the outer wall is composed of three arcs, and has an end face section similar to that of a three-start thread.

[0024] The center of rotation of the element is located at...

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PUM

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Abstract

The invention provides a full-meshing type triangular-prism mixing element. The full-meshing type triangular-prism mixing element is fixedly connected with an external rotating shaft, and the outer wall of the full-meshing type triangular-prism mixing element is of a spiral mixed surface structure; all sections of the spiral mixed surface structure are the same, the outer edge of the spiral mixedsurface structure is composed of a plurality of connected arcs, projections of the outer edges of all the sections are not overlapped in a plane perpendicular to the outer wall, the projection fixed points of all the sections are located on circumcircles of the sections, and all the sections of the spiral mixed surface structure are rotated in one direction from front to back.

Description

technical field [0001] The invention relates to a mixing technology, in particular to a fully meshing three-edge mixing element and equipment. Background technique [0002] The mixing element of twin-screw extruder is an important component of twin-screw extruder, which plays the role of mixing and modifying materials. Existing mixing elements generally provide shear mixing in the molten state of materials. Although the mixing is uniform, the length of glass fibers is difficult to maintain, and often due to lack of conveying capacity, when there are many glass fibers, it is easy to cause blockage. There are also mixing elements designed for glass fiber mixing, but they lack sufficient self-cleaning capacity to be suitable for the conditions described. Contents of the invention [0003] The object of the present invention is to provide a fully meshing three-edge mixing element and equipment. [0004] The first technical solution to realize the object of the present invent...

Claims

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Application Information

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IPC IPC(8): B29C48/40B29C48/505B29C48/68
CPCB29C48/40B29C48/505B29C48/68
Inventor 范元勋柳志康刘柱
Owner NANJING UNIV OF SCI & TECH
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