Solid-liquid mixing device and mixing method using the same

A technology of solid-liquid mixing and equipment, applied in the direction of mixing methods, mixers with rotating stirring devices, mixers, etc., can solve the problem of slow dispersion process, inability to adapt to widely different powder and liquid material characteristics, poor efficiency, etc. question

Pending Publication Date: 2018-08-31
SHENZHEN SHANGSHUI INTELLIGENT EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In addition, with the development of nanomaterials and ultrafine powders, due to their large specific surface area, a large amount of gas is adsorbed on the surface, making it difficult for these ultrafine powder materials to infiltrate in liquids and difficult to m...

Method used

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  • Solid-liquid mixing device and mixing method using the same
  • Solid-liquid mixing device and mixing method using the same
  • Solid-liquid mixing device and mixing method using the same

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Experimental program
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Embodiment 1

[0055] refer to figure 1 , 2 , 3, which discloses a solid-liquid mixing device, including a powder dispersion module 1, a liquid distribution module 2, a solid-liquid mixing module 3 and a discharge module 4, wherein:

[0056] In this embodiment, the powder dispersing module 1 is an impact-type powder dispersing and crushing device. It includes a powder dispersion chamber 11, a spiral conical impact module 12 and a powder discharge structure 13 arranged therein, wherein:

[0057] The powder dispersion chamber 11 is shaped like a barrel with upper and lower openings, a retaining wall 111 is provided in the middle of the outer wall, and a positioning hole 112 is provided on the retaining wall 111 .

[0058] The spiral conical impact module 12 includes a conical body 121 and a cutting piece 122 arranged on the surface of the conical body and spirals upward. Through this structural arrangement, the contact chance or collision probability between the powder and the spiral conica...

Embodiment 2

[0071] The present invention also discloses a mixing method using the above-mentioned solid-liquid mixing equipment, which includes the following steps:

[0072] Step 1, the liquid to be mixed is delivered to the mixing module 3 through the liquid distribution module 2;

[0073] The liquid to be mixed is first delivered to the annular slit 23 through the joint action of the pump 21 and the liquid feed pipe 22, so that the liquid passes through the annular slit 23 and goes vertically downward with a certain acceleration. The magnitude of this acceleration depends on the pressure of the liquid to be mixed input by the pump 21.

[0074] In practice, the total cross-sectional area of ​​the liquid feed pipe 22 should be greater than or equal to the flow area of ​​the annular slit 23 .

[0075] Step 2, after the powder to be mixed is dispersed and / or pulverized by the powder dispersion module, it collides with the liquid to be mixed vertically downward at a certain angle of incli...

Embodiment 3

[0081] refer to Figure 8 , 9 , 10, which is a schematic structural view of the third embodiment of the present invention; compared with the first embodiment, the difference is:

[0082] The stirrer 32' in this embodiment includes a stirrer body 321' and blades 326 set on the circumference of the body. The blades 326 are upright arranged on the circumference of the mixer body 321′. The center of the agitator body 321' is provided with an axis hole 325'.

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Abstract

The invention provides a solid-liquid mixing device and a mixing method using the same. The solid-liquid mixing device comprises a liquid distributing module, a powder dispersing module, a solid-liquid mixing module and a discharging module. The liquid distributing module conveys to-be-mixed liquid to the mixing module. The powder dispersing module is used for dispersing and/or smashing to-be-mixed powder and making the powder enter the solid-liquid mixing module. The to-be-mixed liquid and the to-be-mixed powder are mixed and rapidly rotate in the solid-liquid mixing module and then discharged out of the discharging module. In the powder dispersing module, the to-be-mixed powder makes contact with the to-be-mixed liquid at a specific tilt angle for preliminary rapid moisturizing after being preliminarily dispersed, spiral feeding is adopted without the control of an independent valve, and the higher dispersing capacity is realized. In the mixing module, by means of a rapid rotating mixer, the moisturizing process of the powder and the liquid is accelerated; in the discharging module, slurry with high viscosity can be discharged, and meanwhile vacuum is generated.

Description

technical field [0001] The invention relates to the fields of powder slurrying, solid-liquid mixing or rapid dispersion of nano-powder materials, specifically, a solid-liquid mixing device and a mixing method using the device. Background technique [0002] The basic process of solid powder dispersion in liquid can be divided into: (1) Wetting of powder: the air attached to the powder is replaced by liquid medium. For a powder to be dispersed in a liquid, it must first be wetted, and the wettability of a solid surface is determined by its chemical composition and microstructure. (2) Breakage and dispersion of particle aggregates, broken aggregates: There are three main forces: extrusion, impact and shear force. This dispersing step must require the assistance of mechanical equipment, and the magnitude and proportion of the above three forces are different for different equipment. (3) Stabilization of the suspension dispersion. In order to prevent the dispersed particles fro...

Claims

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Application Information

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IPC IPC(8): B01F3/12B01F7/24B01F15/02B02C1/00
CPCB02C1/00B01F23/51B01F23/54B01F23/53B01F27/92B01F35/7175B01F35/7511B01F35/75455
Inventor 金旭东吴凡黄端
Owner SHENZHEN SHANGSHUI INTELLIGENT EQUIP CO LTD
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