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Strong-shear mixing machine

A mixer and mixing drum technology, applied in mixers, mixers with rotary mixing devices, and dissolving directions, can solve the problems of affecting mixing uniformity, mixing inefficiency, and reducing mixer efficiency, and increase the shear probability. , good mixing effect, improved shearing effect

Inactive Publication Date: 2011-09-28
HENAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, since the peripheral speed of the paddle (or coulter) near the central axis is very small, there is a mixing inefficient zone near the axis, which affects the uniformity of mixing and reduces the efficiency of the mixer.

Method used

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Embodiment

[0014] This strong shear mixer comprises a mixing drum 6, which has a feed inlet 12 on the mixing drum 6 and a discharge port 9 on its lower part, and a power unit 14 is installed on the upper top surface of the mixing drum 6, and the top surface also has The additive cylinder 13 communicated with the inner cavity of the mixing drum; the rotor located in the mixing drum is driven by the power device 14; the rotor is composed of a rotating shaft 1, a helical blade 2 mounted on the rotating shaft 1 and a stirring device located on both sides of the rotating shaft; The stirring device includes a paddle bar, an outer paddle blade 4 and an inner paddle blade 5 mounted on the paddle bar. Both the outer paddle blade and the inner paddle blade have an inclination angle α with the horizontal direction, and the inclination angle α is 15°, and the outer paddle blade and the inner paddle blade are 15°. The projections of the inner paddle blades at the center of the paddle shaft intersect. ...

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Abstract

The present invention provides a strong-shear mixer which comprises a mixing drum, an inlet orifice and a propelling plant positioned at the upper part of the mixing drum, an outlet orifice positioned at the lower part of the mixer, and a rotor positioned in the mixing drum and driven by the propelling plant, wherein the rotor is composed of a rotating shaft, a screw blade arranged on the rotating shaft and mixing plants positioned on the two sides of the rotating shaft, and the screw blade arranged on the rotating shaft is a screw blade with a single head; each mixing plant comprises a blade shaft, as well as an outer blade and an inner blade, both of which are arranged on the blade shaft, and each of the outer blade and the inner blade has an inclination angle of 4 DEG to 18 DEG with the horizontal direction; the mixing plants on the two sides of the rotating shaft are connected into a whole through a swiveling jib, and the center of the swiveling jib is permanently arranged on the rotating shaft. The mixer has the advantages that the shearing effect is good, and the material mixing uniformity and the mixing efficiency are improved. The mixer has well mixing effect on materials with more fibers, higher density, higher viscosity and higher hardness.

Description

technical field [0001] The invention belongs to a mixer, in particular to a mixer with shearing force. Background technique [0002] At present, shear mixers include coulter type and paddle type mixer. Each type is divided into two types: horizontal and vertical. Their rotors all have one thing in common, that is, the blades or coulters are directly connected to the main shaft; when the diameter of the mixing drum of this mixer is large, the size of the cantilever of the blades (or coulters) is also large, and in order to ensure that the blades (or coulter) rigidity must increase its cross-sectional size, therefore, directly affects the shearing effect of the mixer on the material. Because the larger the cross-sectional size of the blade (or coulter), the worse the shearing capacity of the mixer. Furthermore, since the peripheral speed of the paddle (or coulter) near the central axis is very small, there is a mixing inefficient zone near the axis, which affects the unifor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F7/22B01F27/91
Inventor 赵祥雄
Owner HENAN AGRICULTURAL UNIVERSITY
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