CN215783401U - Acoustic resonance continuous flow reaction device - Google Patents

Abstract

The utility model discloses an acoustic resonance continuous flow reaction device which comprises a continuous flow reactor, an acoustic resonance mechanism and a mixing structure. The continuous flow reactor comprises a plurality of reaction tubes which are arranged in series, a containing cavity for containing reactants is formed in each reaction tube, each reaction tube has an axial direction and a radial direction, each reaction tube is also provided with a feed inlet and a discharge outlet which are communicated with the containing cavity, and the feed inlets and the discharge outlets are respectively arranged at two ends of the reaction tubes in the axial direction; the acoustic resonance mechanism is provided with an installation platform, a plurality of reaction tubes are sequentially fixed on the surface of the installation platform, and the acoustic resonance mechanism drives the continuous flow reactor to vibrate so as to enable reactants contained in the containing cavity to generate macroscopic mixing; the mixing structure is arranged in the accommodating cavity and arranged along the axial direction and the radial direction of the reaction tube, and the mixing structure can enable reactants accommodated in the accommodating cavity to generate micro mixing. The technical scheme of the utility model aims to solve the problems that the existing acoustic resonance mixer cannot meet the requirements of gas-liquid-solid multiphase fluid reaction engineering application and engineering amplification.

Description

Acoustic resonance continuous flow reaction device

Technical Field

The utility model relates to the technical field of reaction devices, in particular to an acoustic resonance continuous flow reaction device.

Background

Acoustic resonance has been applied to mixed explosive mixtures, propellants, energetic materials, etc. as a means of enhancing multiphase mixing. The acoustic resonance mixing technology has the advantages of paddle-free mixing and whole-field mixing, is a novel process utilizing the coupling effect of vibration and acoustic current, and has wide application prospect. However, the existing acoustic resonance mixer can be applied only to a batch reaction process. The acoustic resonance mixer disclosed in patent application nos. 201410799813.1 and 201710058169.6 can achieve 2 to 10 times of the mixing efficiency of the conventional stirring and mixing method in solid-solid, solid-liquid, liquid-liquid, high viscosity material system and the material containing nano-materials. However, the acoustic resonance mixer can only be used for macroscopic mixing reinforcement, and the slurry cannot form micro-scale liquid flow or liquid drops, so that the application of the acoustic resonance mixer in multiphase fluid reaction engineering is limited, and equipment is difficult to amplify and engineering application is difficult to realize.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an acoustic resonance continuous flow reaction device, and aims to solve the problems that the conventional acoustic resonance mixer cannot meet the requirements of gas-liquid-solid multiphase fluid reaction engineering application and engineering amplification.

In order to achieve the above object, the present invention provides an acoustic resonance continuous flow reaction apparatus, comprising:

the continuous flow reactor comprises a plurality of reaction tubes which are arranged in series, a containing cavity for containing reactants is formed in each reaction tube, each reaction tube has an axial direction and a radial direction, each reaction tube is also provided with a feed inlet and a discharge outlet which are communicated with the containing cavity, and the feed inlets and the discharge outlets are respectively arranged at two ends of the axial direction of the reaction tubes;

the acoustic resonance mechanism is provided with an installation platform, a plurality of reaction tubes are sequentially fixed on the surface of the installation platform, and the acoustic resonance mechanism drives the continuous flow reactor to vibrate so as to enable reactants contained in the containing cavity to generate macroscopic mixing; and

the mixing structure is arranged in the accommodating cavity and is arranged along the axial direction and the radial direction of the reaction tube, and the mixing structure can enable reactants accommodated in the accommodating cavity to generate micro-mixing.

In an embodiment of the present invention, the mixing structure includes a first mixing plate, the first mixing plate has a length direction and a width direction, the length direction extends along an axial direction of the reaction tube, the width direction extends along a radial direction of the reaction tube, the first mixing plate is further provided with a plurality of through holes, and the acoustic resonance mechanism vibrates along an extending direction of a central axis of the through holes.

In an embodiment of the present invention, the number of the first mixing plates is plural, and the plural mixing plates are arranged at intervals along a vibration direction of the acoustic resonance mechanism.

In an embodiment of the present invention, the mixing structure further includes a plurality of second mixing plates, the second mixing plates are fixed to the cavity wall of the accommodating cavity and extend toward the first mixing plates, a through opening is further formed between the second mixing plates and the first mixing plates, and the plurality of second mixing plates are arranged at intervals along the axial direction of the reaction tube.

In an embodiment of the utility model, the first mixing plate is provided with a plurality of second mixing plates on two opposite surfaces thereof.

In an embodiment of the present invention, a distance D1 between two adjacent second mixing plates in the axial direction is defined, and a condition is satisfied: d1 is more than or equal to 2mm and less than or equal to 10 mm.

In an embodiment of the present invention, a distance between the second mixing plate and the first mixing plate is defined as D2, and a condition is satisfied: d2 is more than or equal to 1mm and less than or equal to 3 mm.

In one embodiment of the present invention, the inner diameter of the reaction tube is 10mm to 100mm, and the tube length of the reaction tube is 200mm to 1000 mm.

In an embodiment of the present invention, the acoustic resonance mechanism includes:

the frame body is provided with the mounting table;

the driving piece is fixed below the mounting table and is in transmission connection with the mounting table; and

and the elastic assembly is fixed with the frame body and is connected with the mounting table.

In an embodiment of the present invention, the driving member is an exciter, and the vibration frequency of the exciter is 1HZ to 100 HZ.

The acoustic resonance continuous flow reaction device comprises a continuous flow reactor, an acoustic resonance mechanism and a mixing structure. The continuous flow reactor comprises a plurality of reaction tubes which are arranged in series, a containing cavity for containing reactants is formed in each reaction tube, each reaction tube is provided with an axial direction and a radial direction, the reaction tubes are further provided with a feed inlet and a discharge outlet which are communicated with the containing cavity, and the feed inlet and the discharge outlet are respectively arranged at two ends of each reaction tube in the axial direction. By connecting a plurality of reaction tubes in series, the residence time of reactants in the reaction cavity can be prolonged, thereby meeting the continuous reaction requirement of the device. And a mixing structure is also arranged in the reaction cavity and is arranged along the axial direction and the radial direction of the reaction tube. The acoustic resonance mechanism is provided with a mounting platform, and a plurality of reaction tubes in the continuous flow reactor are sequentially fixed on the surface of the mounting platform. When the continuous flow reactor works, the sound resonance mechanism drives the continuous flow reactor to generate resonance vibration so as to drive reactants contained in the containing cavity to move, so that heavy-phase liquid and light-phase gas in the containing cavity break through an original phase interface to generate strong macroscopic mixing. Because the accommodating cavity is also provided with the mixing structure, the multiphase fluid in the accommodating cavity generates convection and passes through the mixing structure under the driving of resonance vibration, and the mixing structure can generate shearing force on multiple items of fluid, so that the multiphase fluid generates vortex and is locally mixed and strengthened. Meanwhile, the dispersion structure can also generate micro-amplitude vibration under a vibration system, so that reactants contained in the accommodating cavity can generate micro-mixing reinforcement. Compared with the existing acoustic resonance reaction device, the acoustic resonance continuous flow reaction device of the technical scheme of the utility model can realize continuous flow reaction, can also meet the requirements of gas-liquid-solid multiphase fluid reaction, and is convenient for realizing engineering amplification application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of an acoustic resonance continuous flow reaction apparatus according to the present invention;

FIG. 2 is a schematic longitudinal sectional view of the acoustic resonance continuous flow reactor of FIG. 1;

FIG. 3 is a schematic diagram of the internal structure of the acoustic resonance continuous flow reaction apparatus of FIG. 1;

FIG. 4 is a schematic cross-sectional view of a reaction tube of the present invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an acoustic resonance continuous flow reaction device 1000.

Referring to fig. 1 to 4, the acoustic resonance continuous flow reaction apparatus 1000 of the present invention includes: the continuous flow reactor 100 comprises a plurality of reaction tubes 10 arranged in series, a containing cavity 11 for containing reactants is formed in each reaction tube 10, each reaction tube 10 has an axial direction and a radial direction, each reaction tube 10 is further provided with a feed inlet 15 and a discharge outlet 17 which are communicated with the containing cavity 11, and the feed inlet 15 and the discharge outlet 17 are respectively arranged at two ends of the reaction tube 10 in the axial direction;

the acoustic resonance mechanism 200 is provided with a mounting table 220, the reaction tubes 10 are sequentially fixed on the surface of the mounting table 220, and the acoustic resonance mechanism 200 drives the continuous flow reactor 100 to vibrate so as to generate macroscopic mixing of reactants contained in the containing cavity 11; and

and a mixing structure 13, wherein the mixing structure 13 is arranged in the accommodating cavity 11 and is arranged along the axial direction and the radial direction of the reaction tube 10, and the mixing structure 13 can generate micro-mixing on reactants accommodated in the accommodating cavity 11.

The acoustic resonance continuous flow reaction device 1000 according to the technical scheme of the utility model comprises a continuous flow reactor 100, an acoustic resonance mechanism 200 and a mixing structure 13. The continuous flow reactor 100 includes a plurality of reaction tubes 10 connected in series, a containing cavity 11 for containing reactants is formed in each reaction tube 10, each reaction tube 10 has an axial direction and a radial direction, each reaction tube 10 is further provided with a feed inlet 15 and a discharge outlet 17 communicated with the containing cavity 11, and the feed inlets 15 and the discharge outlets 17 are respectively arranged at two ends of the reaction tubes 10 in the axial direction. By connecting a plurality of reaction tubes 10 in series, the residence time of the reactants in the reaction chamber can be prolonged, thereby meeting the continuous reaction requirement of the device. Specifically, the material of the reaction tube 10 may be a corrosion-resistant material such as glass, metal, teflon, or the like. The number of the reaction tubes 10 may be two, three, five, or ten, etc., and the skilled person can reasonably set the number according to the specific reaction requirements, which will not be described herein. The feed inlet 15 and the discharge outlet 17 of each reaction tube 10 are arranged at two ends of the reaction tube 10 in the axial direction, so that the adjacent reaction tubes 10 are conveniently connected by using U-shaped tubes. Through locating reaction tube 10 axial direction's both ends with feed inlet 15 and discharge gate 17, the reactant holds the chamber 11 back via feed inlet 15 entering, and the length that needs to flow into whole reaction tube 10 just can flow out via discharge gate 17, so, can prolong the time that the reactant stops in reaction tube 10 as far as possible, promote the reaction effect.

A mixing structure 13 is also provided in the reaction chamber, and the mixing structure 13 is arranged along the axial direction and the radial direction of the reaction tube 10. The mixing structure 13 is extended along the axial direction of the reaction tube 10, so that the reactant is uniformly mixed while flowing through the axial direction of the reaction tube 10. Furthermore, the mixing structure 13 is disposed along the radial direction of the reaction tube 10, so that the flow velocity of the reactant in the axial direction can be reduced, the retention time of the reactant in the reaction tube 10 can be prolonged, and the mixing effect of the reactant can be improved.

It is understood that the acoustic resonance mechanism 200 is provided with a mounting stage 220, each reaction tube 10 in the continuous flow reactor 100 is in turn fixed on the surface of the mounting stage 220, and each reaction tube 10 is detachably fixed on the surface of the mounting stage 220 by a fixing member. Specifically, the axial direction of the reaction tubes 10 is parallel to the surface of the mounting table 220, and the plurality of reaction tubes 10 are sequentially arranged to facilitate the flow of the reactant. During operation, the acoustic resonance mechanism 200 drives the continuous flow reactor 100 to generate resonance vibration to drive the reactant accommodated in the accommodating chamber 11 to move, so that the heavy-phase liquid and the light-phase gas in the accommodating chamber 11 break through the original phase interface to generate strong macro-mixing. Because the accommodating cavity 11 is also internally provided with the mixing structure 13, the multiphase fluid in the accommodating cavity 11 generates convection and passes through the mixing structure 13 under the driving of resonance vibration, and the mixing structure 13 can generate shearing force on multiple items of fluid, so that the multiphase fluid generates vortex to perform local mixing reinforcement. Meanwhile, the dispersion structure can also generate micro-amplitude vibration under a vibration system, so that reactants contained in the accommodating cavity 11 can be subjected to micro-mixing reinforcement. Compared with the existing acoustic resonance reaction device, the acoustic resonance continuous flow reaction device 1000 of the technical scheme of the utility model can realize continuous flow reaction, can also meet the requirements of gas-liquid-solid multiphase fluid reaction, and is convenient for realizing engineering amplification application.

Further, referring to fig. 2 to 3, in an embodiment of the present invention, the acoustic resonance mechanism 200 includes a frame 210, a driving member 230, and an elastic member 280, wherein the frame 210 is provided with the mounting platform 220; the driving member 230 is fixed below the mounting table 220 and is in transmission connection with the mounting table 220; the elastic member 280 is fixed to the frame body 210 and connected to the mounting table 220.

In an embodiment of the utility model, the frame 210 has a substantially square frame structure, the mounting platform 220 is disposed on the top of the frame 210, and the frame 210 provides a carrier for mounting the driving member 230, the elastic member 280 and the reaction control system. The frame body 210 may be made of metal or marble, so as to ensure the strength and life of the frame body 210. The frame body 210 can be fixed on the ground through connecting pieces such as bolts, and a corresponding limiting structure can be arranged on the ground to limit the frame body 210 to move in the vibration process, so that the reaction device is influenced.

The mounting table 220 has a substantially plate-like structure and is disposed parallel to the horizontal plane. The surface of the mounting table 220 is further provided with fixing holes to facilitate the fixing members to detachably fix the reaction tube 10 to the surface of the mounting table 220 by engaging with the fixing holes.

Further, the driving member 230 may be an exciter 231, and the exciter 231 is connected to the mounting stage 220 through the vibration plate 250 and the driving rod 270. The main function of the vibration exciter 231 is to generate vibration, and the frequency and the corresponding stroke of the vibration exciter 231 are important parameters for generating gravitational acceleration, and therefore, the vibration parameters of the vibration exciter 231 are also extremely important, in an embodiment of the present invention, the frequency range of the vibration exciter 231 is 1HZ to 100HZ, the (peak-to-peak) stroke range of the vibration exciter 231 is 10mm to 100mm, and the (peak-to-peak) stroke refers to the distance between two peaks of the vibration exciter 231 in one vibration cycle. The vibration frequency and the stroke of the vibration exciter 231 can be adjusted according to actual conditions.

The exciter 231 has a sinusoidal maximum peak acceleration of up to 150g (g being the acceleration of gravity, i.e. about 9.8 m/s). For example, Denmark B may be used&The electromagnetic exciter 231 of the K brand may be an electromagnetic/electrohydraulic/electrodynamic exciter 231 having a large stroke. Specifically, the vibration acceleration is calculated in the following manner: maximum acceleration of 0.002 xf²(frequency HZ). times.D (stroke mm p-p). The vibration exciter 231 resonates with the spring assembly, and can provide an amplitude of 10mm or more. Specifically, the acoustic resonance mechanism 200 measures the natural frequency of the multiphase fluid by the simple harmonic excitation method, and determines that resonance occurs when the amplitude rapidly increases at a certain frequency.

The elastic component 280 is a spring assembly, the spring assembly includes a spring and a guide pillar, the spring is sleeved on the side wall surface of the guide pillar, one end of the spring elastically abuts against the frame, and the other end elastically abuts against the vibrating plate 250. The vibration exciter 231 vibrates, and thus vibrates with the spring, and the spring has elastic force, so that the vibration plate 250 can be driven to vibrate relative to the frame.

Further, the number of the vibration exciters 231 may be one, or two vibration exciters 231 may be stacked. When the number of the exciters 231 is only one, the exciters 231 are directly connected to the mounting stage 220 through the vibration plate 250 and the driving rod 270 provided above the exciters 231. The vibration plate 250 is provided at intervals at the edge thereof with a plurality of spring groups to improve the stability of the vibration plate 250. When the number of vibration exciters 231 is two, be equipped with driving plate 260 between two vibration exciters 231, be located the surface that top vibration exciters 231 are fixed in driving plate 260, also be equipped with the spring assembly between driving plate 260 and the vibration board 250, so, also can realize the stack of vibration energy between driving plate 260 and the vibration board 250, can reach the vibration effect fast.

Further, referring to fig. 4, in an embodiment of the present invention, the mixing structure 13 includes a first mixing plate 131, the first mixing plate 131 has a length direction and a width direction, the length direction extends along an axial direction of the reaction tube 10, the width direction extends along a radial direction of the reaction tube 10, the first mixing plate 131 is further provided with a plurality of through holes 131, and the acoustic resonance mechanism 200 vibrates along an extending direction of a central axis of the through holes 131.

In the solution of an embodiment of the present invention, the hybrid structure 13 has various forms, and the first hybrid plate 131 is a part of the hybrid structure 13. The first mixing plate 131 is also referred to as an axial plate, and the number of the first mixing plates 131 may be one or plural, and the plural mixing plates are provided at intervals in the vibration direction of the acoustic resonance mechanism 200. The first mixing plate 131 is a plate material having a certain elasticity, and the shape of the through hole 131 may be a circular hole, a square hole, a special-shaped hole, or the like. The plurality of vias 131 are disposed at intervals, and the plurality of vias 131 may also be disposed in an array. The central axis of the through hole 131 is aligned with the entire direction of the acoustic resonance mechanism 200, so that the first mixing plate 131 can vertically receive the liquid which is sheared to generate convection, and disperse the liquid into a plurality of fine flows, increasing the contact area between the gas and the liquid. Meanwhile, the first mixing plate 131 can also vibrate slightly under the action of inertia, so that the updating of a liquid interface is further accelerated, and the mesoscopic/microscopic mixing of the multiphase fluid is enhanced.

With reference to fig. 4, in an embodiment of the present invention, the mixing structure 13 further includes a plurality of second mixing plates 133, the second mixing plates 133 are fixed to the cavity wall of the accommodating cavity 11 and extend toward the first mixing plate 131, a through opening 1331 is further formed between the second mixing plates 133 and the first mixing plate 131, and the plurality of second mixing plates 133 are arranged at intervals along the axial direction of the reaction tube 10.

In the solution of an embodiment of the present invention, the second mixing plate 133 is also a part of the mixing structure 13. The plurality of second mixing plates 133 also become radial plates, and thus, the plurality of second mixing plates 133 arranged at intervals can divide the accommodating chamber 11 into a plurality of reaction zones communicating with each other. The second mixing plate 133 may be a semicircular plate having a gap, and the gap may be formed as a reactant through hole 131. Or an arc plate having an area smaller than that of the semicircular plate, for example, 1/3 circular plate, 2/5 circular plate, etc., in this case, the second mixing plate 133 may not be provided with a notch, and the gap between the second mixing plate 133 and the first mixing plate 131 may be formed as the reactant passing hole 131. The second mixing plate 133 may be disposed at one side of the first mixing plate 131, and the second mixing plate 133 may be disposed at both opposite surfaces of the first mixing plate 131. The arrangement of the second mixing plate 133 can reduce the flow rate of the liquid in the reaction tube 10, prolong the stay time of the reactant in the reaction chamber, and further improve the reaction efficiency.

In one embodiment, the inner diameter of the reaction tube 10 is 10mm to 100mm, and the tube length of the reaction tube 10 is 200mm to 1000 mm.

The inner diameter of the reaction tube 10 is 10mm to 20mm, and the tube length of the reaction tube 10 is 200mm to 500 mm. When the inner diameter of the reaction tube 10 is reduced, the difficulty of processing the reaction tube 10 is relatively increased, and thus, the inner diameter of the reaction tube 10 is set to be greater than or equal to 10mm, so as to facilitate the processing of the reaction tube 10; and when the inner diameter of the reaction tube 10 is too large, it may cause that the reactant of the partial region in the receiving chamber 11 is difficult to be mixed to reduce the reaction efficiency, and therefore, the inner diameter of the reaction tube 10 is set to be less than or equal to 20mm, thereby ensuring a good mixing effect of the stirrer while facilitating the processing of the reaction tube 10. The tube length of the reaction tube 10 is increased correspondingly as the inner diameter of the reaction tube 10 is increased, and decreased correspondingly as the inner diameter of the reaction tube 10 is decreased, so as to facilitate the processing of the reaction tube 10. It is understood that, in the above-described embodiment, when the reaction tube 10 is tubular, the inner diameter of the reaction tube 10 is its actual inner diameter, and when the reaction tube 10 is other shapes, the inner diameter of the reaction tube 10 is its equivalent inner diameter.

Referring to fig. 4, in an embodiment of the present invention, a distance D1 between two adjacent second mixing plates 133 in the axial direction is defined, and the following condition is satisfied: d1 is more than or equal to 2mm and less than or equal to 10 mm.

In the technical solution of an embodiment of the present invention, two adjacent second mixing plates 133 are set to be 2mm to 10mm, so that the flow velocity in the accommodating chamber 11 can be effectively reduced, the residence time of the reactant in the reaction chamber can be prolonged, and the mixing effect of the reactants in each reaction region can be effectively improved by combining the action of acoustic resonance. Meanwhile, referring to fig. 4, in an embodiment of the present invention, a distance between the second mixing plate 133 and the first mixing plate 131 is defined as D2, and the following condition is satisfied: d2 is more than or equal to 1mm and less than or equal to 3 mm. The distance between the second mixing plate 133 and the first mixing plate 131 refers to the minimum distance from the end face of the second mixing plate 133 to the surface of the first mixing plate 131. The minimum distance from the end surface of the second mixing plate 133 to the surface of the first mixing plate 131 ranges from 1mm to 3mm, so that the second mixing plate 133 can have a good flow blocking effect without affecting the flow of reactants between adjacent reaction zones.

It should be noted that the slurry reactant can be connected to the feed inlet 15 of the first reaction tube 10 through a feed delivery tube, and the end of the feed delivery tube is porous and forms porous injection, which is favorable for rapid mixing. Wherein the pore size is in the micron to millimeter scale, the pore size is related to the solid particle size and concentration of the slurry material, and preferably 5 times the solid particle size. Gas and slurry are mixed through a tee joint, then feeding is realized through a conveying pipe sleeve, and slurry materials are dispersed into liquid drops and gas flows at the tail end of the conveying pipe to enter a reaction cavity, and then the multistage series cavity is prolonged to flow out after the slurry materials are stopped. The end of the continuous flow reactor 100 is connected to a heat exchanger and a gas-liquid separator to achieve product collection and gas-liquid separation. The continuous flow reactor 100 can realize continuous feeding and discharging, and maintain the relative mass balance of materials in the reactor, and does not influence the amplitude and the resonant frequency of the three-mass vibration platform.

Compared with the original intermittent acoustic resonance mixer, the acoustic resonance continuous flow reaction device 1000 in the technical scheme of the utility model realizes the continuous production of materials, breaks through the bottleneck of process amplification and can quickly realize the optimization of the process to the production amplification. In addition, compared with the original intermittent acoustic resonance mixer, the acoustic resonance continuous flow reactor 1000 in the technical scheme of the utility model has the advantages that the continuous flow reactor 100 has higher heat transfer performance, more uniform temperature control and quick removal of redundant heat. The continuous flow reactor 100 adopted by the acoustic resonance continuous flow reaction device 1000 in the technical scheme of the utility model also has the advantage of plug flow of a tubular reactor, and can ensure better stability and uniformity of product quality. Moreover, the combination of the acoustic resonance mechanism 200 and the mixing structure 13 in the continuous flow reactor 100 in the technical scheme of the utility model can also realize high-efficiency macroscopic, mesoscopic and microscopic full-scale mixing of gas-liquid-solid multiphase fluid, and from macroscopic acoustic resonance mixing to micro-structure and micro-vibration reinforced microscopic mixing, the mass transfer performance of the acoustic resonance continuous flow reactor 100 is greatly improved, and the acoustic resonance continuous flow reactor is applied to wider process flows such as reaction, extraction and absorption and the like and the fields such as chemical industry, pharmacy, new materials and biology, and is easier to realize automatic control compared with the original intermittent acoustic resonance mixer. Meanwhile, due to the coupling of the continuous flow reactor 100 and the acoustic resonance mechanism 200 in the technical scheme of the utility model, the continuity of material mixing and reaction is realized, the production efficiency and the mixing effect are greatly improved, the material consumption and the energy consumption are reduced, and the safe and clean production is realized.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An acoustic resonance continuous flow reaction device, comprising:

the continuous flow reactor comprises a plurality of reaction tubes which are arranged in series, a containing cavity for containing reactants is formed in each reaction tube, each reaction tube has an axial direction and a radial direction, each reaction tube is also provided with a feed inlet and a discharge outlet which are communicated with the containing cavity, and the feed inlets and the discharge outlets are respectively arranged at two ends of the axial direction of the reaction tubes;

the acoustic resonance mechanism is provided with an installation platform, a plurality of reaction tubes are sequentially fixed on the surface of the installation platform, and the acoustic resonance mechanism drives the continuous flow reactor to vibrate so as to enable reactants contained in the containing cavity to generate macroscopic mixing; and

the mixing structure is arranged in the accommodating cavity and is arranged along the axial direction and the radial direction of the reaction tube, and the mixing structure can enable reactants accommodated in the accommodating cavity to generate micro-mixing.

2. The acoustically resonant continuous-flow reactor device of claim 1, wherein the mixing structure comprises a first mixing plate having a length direction extending along an axial direction of the reactor tube and a width direction extending along a radial direction of the reactor tube, the first mixing plate further having a plurality of through-holes, and the acoustic resonance mechanism vibrates along an extension direction of a central axis of the through-holes.

3. The acoustic resonant continuous-flow reaction device of claim 2, wherein the first mixing plate is provided in a plurality of numbers, and the plurality of mixing plates are spaced apart along a vibration direction of the acoustic resonant mechanism.

4. The acoustically resonant continuous-flow reactor device of claim 2, wherein the mixing structure further comprises a plurality of second mixing plates fixed to the wall of the containment chamber and extending toward the first mixing plate, the second mixing plates further having openings formed therebetween, the plurality of second mixing plates being spaced apart along the axial direction of the reactor tube.

5. The acoustic resonant continuous-flow reaction device of claim 4, wherein the first mixing plate is provided with a plurality of the second mixing plates on opposite surfaces thereof.

6. The acoustic resonance continuous-flow reaction device of claim 4, wherein a distance D1 between two adjacent second mixing plates in the axial direction is defined, and the following condition is satisfied: d1 is more than or equal to 2mm and less than or equal to 10 mm.

7. The acoustic resonance continuous-flow reaction device of claim 6, wherein a distance between the second mixing plate and the first mixing plate is defined as D2, and a condition is satisfied: d2 is more than or equal to 1mm and less than or equal to 3 mm.

8. The acoustic resonance continuous-flow reaction device of claim 1, wherein the reaction tube has an inner diameter of 10mm to 100mm and a tube length of 200mm to 500 mm.

9. The acoustic resonant continuous-flow reaction device of any one of claims 1 to 8, wherein the acoustic resonance mechanism comprises:

the frame body is provided with the mounting table;

the driving piece is fixed below the mounting table and is in transmission connection with the mounting table; and

and the elastic assembly is fixed with the frame body and is connected with the mounting table.

10. The acoustic resonance continuous flow reactor of claim 9, wherein the driving member is an exciter having a vibration frequency of 1HZ to 100 HZ.

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