Nanoscale steady-state mixing device for functional additive

Abstract

The utility model belongs to the technical field of functional additive mixing equipment, and discloses a functional additive nanoscale steady-state mixing device which comprises at least three conical shearing cavities connected in series, and a feeding hole is formed in the high-grade conical shearing cavity; the adjacent conical shearing cavities are connected through the variable-diameter channel, and the conical shearing cavities are communicated with the variable-diameter channel; the spiral flow guide lines are arranged in the variable-diameter channel; the ultrasonic dispersion instrument is integrally installed on the conical shearing cavity, the working frequency of the ultrasonic dispersion instrument is 24 GHz + / -5%, the diameter of the variable-diameter channel is gradually decreased in the material flowing direction, the taper of the variable-diameter channel is 15-25 degrees, and the inner surface of the variable-diameter channel is subjected to electron beam polishing treatment till Ra is smaller than or equal to 0.05 mu m. The screw pitch of the spiral flow guide lines is gradually reduced in the material flowing direction. According to the utility model, not only can the gradual crushing of nano particles be realized, but also hydrogen bonds among additive molecules can be destroyed.

Description

TECHNICAL FIELD

[0001] The utility model relates to functional additive mixing equipment technical field especially, it relates to a functional additive nanometer level steady state mixing device. BACKGROUND

[0002] Nanometer level steady state mixing device is a kind of high-precision equipment, for mixing and uniformly dispersing nanometer material and functional additive, and functional additive refers to the substance with specific function or performance, for example: the strength of reinforcing material, the conductivity of improving, oxidation resistance etc., that is, functional additive nanometer level steady state mixing device is a kind of high-level equipment for preparing and mixing nanometer material with specific functionality, with the potential of being widely applied in various fields.

[0003] In recent years, functional additive is widely applied in food, medicine, cosmetics and high polymer material etc., since nanometer additive has high specific surface area and quantum effect, its dispersion stability directly influences product performance, however, traditional mixing equipment has the problem of uneven dispersion in nanometer dispersion, specifically, conventional mechanical stirring or high-pressure homogenization is difficult to break through the agglomeration energy barrier of nanometer particles, leading to wide particle size distribution (D50>200nm), therefore, we propose a functional additive nanometer level steady state mixing device. SUMMARY

[0004] In order to overcome the defects of prior art pointed out above, the present inventors have made in-depth research, and after paying a lot of creative labor, the utility model is completed.

[0005] Specifically, the technical problem to be solved by the utility model is to provide a functional additive nanometer level steady state mixing device to solve the technical problem of uneven dispersion in nanometer dispersion of current traditional mixing equipment.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A functional additive nanometer level steady state mixing device, comprising at least three series-connected conical shear cavities, a feed inlet is formed on each of the conical shear cavities;

[0008] Variable-diameter channel, adjacent conical shear cavities are connected through the variable-diameter channel, and the conical shear cavities are in communication with the variable-diameter channel;

[0009] Spiral flow guide lines, the spiral flow guide lines are arranged in the variable-diameter channel;

[0010] An ultrasonic dispersing instrument is integrated on the conical shearing cavity, and the working frequency of the ultrasonic dispersing instrument is 24GHz±5%, in application, the triple structure design of the conical shearing cavity, the variable-diameter channel and the spiral flow guide pattern can realize progressive crushing of nanoparticles, and the particle size distribution is narrower than that of a traditional homogenizer.

[0011] As an improved technical solution, the diameter of the variable-diameter channel gradually decreases along the direction of material flow, so as to progressively crush the functional additive material.

[0012] As an improved technical solution, the taper of the variable-diameter channel is 15°-25°, and the inner surface of the variable-diameter channel is treated by electron beam polishing to Ra≤0.05μm.

[0013] As an improved technical solution, the pitch of the spiral flow guide pattern gradually decreases along the direction of material flow, so as to progressively crush the functional additive material.

[0014] As an improved technical solution, the spiral flow guide pattern surface of the last-stage conical shearing cavity is plated with a silicon nitride wear-resistant layer, so as to improve the wear resistance, corrosion resistance, heat conductivity and reliability of the device, and reduce maintenance cost and prolong the service life of the device.

[0015] As an improved technical solution, the ultrasonic dispersing instrument is composed of an ultrasonic oscillator, a reaction container and a control unit, so as to crush particles or disperse materials.

[0016] After the above technical solution is adopted, the beneficial effects of the present application are:

[0017] 1、The present application adopts the triple structure design of the conical shearing cavity, the variable-diameter channel and the spiral flow guide pattern, which can realize progressive crushing of nanoparticles, and the particle size distribution is narrower than that of a traditional homogenizer.

[0018] 2、The present application is provided with an ultrasonic dispersing instrument with a working frequency of 24GHz±5%, and the synergistic effect of 24GHz±5% microwaves and specific phase ultrasonic waves can break hydrogen bonds between additive molecules.

[0019] 3、The present application is provided with a silicon nitride wear-resistant layer on the surface of the last-stage spiral flow guide pattern, which can significantly improve the wear resistance, corrosion resistance, heat conductivity and reliability of the device, and reduce maintenance cost and prolong the service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is a whole front view structural schematic diagram of the present application.

[0022] Figure 2 It is a whole side view structural schematic diagram of the present application.

[0023] Figure 3 It is a whole cut structure schematic diagram of the present application.

[0024] The figure mark explanation is as follows:

[0025] In the figure: 1, conical shearing cavity; 101, feed inlet; 2, variable diameter channel; 3, spiral flow guide lines; 301, silicon nitride wear-resistant layer; 4, ultrasonic dispersion instrument. Specific implementation

[0026] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0027] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directionality indications also change accordingly.

[0028] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B schemes are satisfied at the same time.

[0029] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one feature. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0030] Referring to Figure 1 , Figure 2 and Figure 3 , a functional additive nanoscale steady-state mixing device is provided, which comprises at least three series-connected conical shear cavities 1, a feed inlet 101 is formed on the advanced conical shear cavity 1.

[0031] A variable-diameter channel 2 connects adjacent conical shear cavities 1, and the conical shear cavity 1 is communicated with the variable-diameter channel 2, the diameter of the variable-diameter channel 2 gradually decreases along the direction of material flow, the taper of the variable-diameter channel 2 is 15°-25°, and the inner surface of the variable-diameter channel 2 is treated by electron beam polishing to Ra≤0.05μm;

[0032] Spiral flow guide lines 3 are arranged in the variable-diameter channel 2, the pitch of the spiral flow guide lines 3 gradually decreases along the direction of material flow, and the surface of the spiral flow guide lines 3 on the last-stage conical shear cavity 1 is plated with a silicon nitride wear-resistant layer 301. In application, by plating the silicon nitride wear-resistant layer 301 on the surface of the spiral flow guide lines 3 in the last stage, the wear resistance, corrosion resistance, thermal conductivity and reliability of the device can be significantly improved, and the maintenance cost can be reduced and the service life of the device can be prolonged;

[0033] An ultrasonic disperser 4 is integratedly installed on the conical shear cavity 1, and the working frequency of the ultrasonic disperser 4 is 24GHz±5%, the ultrasonic disperser 4 is composed of an ultrasonic oscillator, a reaction container and a control unit, and its working principle is that the ultrasonic oscillator generates high-frequency sound waves, the molecules in the liquid are subjected to high-frequency vibration, resulting in high-temperature and high-pressure areas and micro-bubbles, when these micro-bubbles rapidly expand and burst in the high-pressure area, strong liquid movement and local high temperature are generated, thereby breaking particles or dispersing materials. In application, by setting the working frequency of the ultrasonic disperser 4 to 24GHz±5%, the 24GHz±5% microwave and the specific phase ultrasonic can cooperate to destroy the hydrogen bond between the additive molecules.

[0034] In actual use, the functional additive material is added into the conical shearing cavity 1 through the feeding port 101, and at the same time, the ultrasonic disperser 4 integrated on the conical shearing cavity 1 is started, at this time, the functional additive material repeatedly flows through the conical shearing cavity 1, the variable-diameter channel 2 and the spiral flow guide 3, and the ultrasonic disperser 4 breaks or disperses the functional additive material, so as to realize the progressive breaking of nanoparticles, the particle size distribution is narrower than that of a traditional homogenizer, and the hydrogen bonds between functional additive molecules can be broken, and finally flows into the next process through the final variable-diameter channel 2.

[0035] The utility model provides a kind of functional additive nanometer steady-state mixing device, which can not only realize the progressive breaking of nanoparticles, but also break the hydrogen bonds between additive molecules.

[0036] It should be understood that the use of these embodiments is only for illustration of the utility model and is not intended to limit the scope of protection of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various modifications, modifications and / or variations to the utility model, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A functional additive nanoscale stabilization mixing device, characterized by: The application relates to a high-efficiency ultrasonic dispersion device. The device comprises: at least three conical shearing cavities (1) connected in series, wherein a feeding port (101) is arranged on the conical shearing cavities (1); a variable-diameter channel (2) connecting adjacent conical shearing cavities (1), wherein the conical shearing cavities (1) are communicated with the variable-diameter channel (2); spiral flow guide lines (3) arranged in the variable-diameter channel (2); 2. The functional additive nanoscale homeostasis hybrid device of claim 1, wherein: an ultrasonic disperser (4) integrated on the conical shearing cavities (1), wherein the working frequency of the ultrasonic disperser (4) is 24GHz+ / -5%.

3. The functional additive nanoscale homeostasis hybrid device of claim 2, wherein: The diameter of the variable-diameter channel (2) gradually decreases along the material flow direction.

4. The functional additive nanoscale stabilization hybrid apparatus of claim 1, wherein: The taper of the variable-diameter channel (2) is 15-25 degrees, and the inner surface of the variable-diameter channel (2) is treated by electron beam polishing to Ra<=0.05um.

5. The functional additive nanoscale stabilization hybrid device of claim 4, wherein: The pitch of the spiral flow guide lines (3) gradually decreases along the material flow direction.

6. The functional additive nanoscale stabilization hybrid device according to any one of claims 1-5, wherein: The surface of the spiral flow guide lines (3) on the last-stage conical shearing cavities (1) is plated with a silicon nitride wear-resistant layer (301). The ultrasonic disperser (4) is composed of an ultrasonic oscillator, a reaction container and a control unit.

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