CN111939856B - Vibration reactor and plate reactor - Google Patents

Vibration reactor and plate reactor Download PDF

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Publication number
CN111939856B
CN111939856B CN202010940963.5A CN202010940963A CN111939856B CN 111939856 B CN111939856 B CN 111939856B CN 202010940963 A CN202010940963 A CN 202010940963A CN 111939856 B CN111939856 B CN 111939856B
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reactor
main body
reaction
vibration
plate
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CN111939856A (en
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邵婷
李朋卿
魏猛
孟凡国
乔昌文
张恭运
唐立星
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Himile Mechanical Manufacturing Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0093Microreactors, e.g. miniaturised or microfabricated reactors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00781Aspects relating to microreactors
    • B01J2219/00873Heat exchange
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00781Aspects relating to microreactors
    • B01J2219/00889Mixing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00781Aspects relating to microreactors
    • B01J2219/00891Feeding or evacuation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00781Aspects relating to microreactors
    • B01J2219/0095Control aspects

Abstract

The present disclosure provides a vibration reactor and a plate reactor, wherein the provided reactor can be provided with a vibration unit and can also be matched with an external vibration device, the vibration direction acting on the reactor is staggered with the main flow direction of liquid flow, and each stirring unit is vibrated under the action of simple harmonic force. The stirring unit generates a tangential force to different liquids in the main flow direction, disperses the original fluid units and recombines new different fluid units, thereby achieving the effect of mixing and improving the reaction efficiency.

Description

Vibration reactor and plate reactor
Technical Field
The disclosure belongs to the technical field of reaction devices, and particularly relates to a vibration reactor and a plate type reactor.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The micro-reactor is widely applied in the fields of chemical industry, medicine, food, energy and the like due to the super-strong mass transfer and heat transfer capacity. In the design of the micro-reactor, through the change of the channel inside the reaction cavity, a secondary flow direction except for a main flow direction is formed for liquid, so that the contact area between the fluid medium units is increased, the fluid medium units with different media are mutually stretched, split and recombined in the channel, and further the mass transfer efficiency is improved. However, in order to improve the mass transfer efficiency of the reactor, it is usually necessary to process the channels in the chamber into an extremely complex pattern, which also results in a significant increase in the pressure drop in the chamber, and also increases the processing difficulty and cost.
Disclosure of Invention
This disclose for solving above-mentioned problem, provide a vibration reactor and plate reactor, this disclosure relies on the shearing force that the vibrating element produced to the fluid to mix, and along with the promotion of amplitude, mixing efficiency promotes and is showing.
According to some embodiments, the following technical scheme is adopted in the disclosure:
a vibration reactor comprises a plurality of reaction channels, vibration units and stirring units, wherein the reaction channels are arranged side by side, and the stirring units are arranged in at least one reaction channel;
and a vibration unit is arranged on the outer side of at least one reaction channel, and the vibration action direction which can be generated by the vibration unit forms a certain angle with the extension direction of the reaction channel.
In the technical scheme, the vibration direction acting on the reactor is staggered with the main flow direction of the liquid flow, and each stirring unit is vibrated by the action of external force. The stirring unit generates a tangential force to different liquids in the main flow direction, disperses the original fluid units, and recombines new different fluid units, thereby achieving the effect of mixing.
As an alternative embodiment, the reactor further comprises a heat exchange mechanism, wherein the heat exchange mechanism comprises an upper spoiler, a lower spoiler and a plurality of heat dissipation channels, the heat dissipation channels are arranged at the outer sides of the corresponding reaction channels, the upper spoiler is arranged at the upper end of each reaction channel, and the lower spoiler is arranged at the lower end of each reaction channel.
A heat dissipation channel is used for providing a heat exchange medium flow channel to provide heat exchange for the side part of the reaction cavity; the upper spoiler and the lower spoiler provide a heat exchange medium flow channel for heat exchange on the upper side and the lower side of the reaction cavity. Can provide a proper environment for the reaction and improve the reaction efficiency.
In an alternative embodiment, each of the upper spoiler and the lower spoiler comprises a plurality of insertion pieces, the insertion pieces are arranged in a staggered mode, and at least one outward protruding portion is arranged on each insertion piece.
Different inserting pieces with the protruding portions are arranged in a staggered mode, the flow area of fluid passing through the spoilers is increased, and therefore heat exchange efficiency is improved.
In an alternative embodiment, the stirring unit is a tubular member, and the tubular member is provided with a plurality of through holes staggered with each other.
As an alternative embodiment, adjacent reaction channels are connected in series or/and in parallel.
As an alternative embodiment, the reaction channels are arranged in parallel, and the stirring units are arranged in parallel.
As an alternative embodiment, the direction of vibration is perpendicular to the direction of extension of the reaction channel.
As an alternative embodiment, the vibration reactor further comprises a front cover and a rear cover respectively arranged at two ends of each reaction channel, wherein the front cover and the rear cover are respectively provided with an opening or/and a channel for providing a fluid inlet or a fluid outlet for the corresponding reaction channel.
As an alternative embodiment, the vibration unit comprises a shell, wherein a motor, a speed reducer and an eccentric wheel are arranged in the shell, the motor is connected with the speed reducer, the speed reducer is connected with the eccentric wheel, and the eccentric wheel generates vibration;
or further, a display module and an input module are arranged on the shell;
or further, the lower end of the shell is provided with a travelling wheel;
or further, the vibration unit is provided with an eccentric wheel adjusting device.
The utility model provides a plate reactor, includes main part unit, upper end plate, lower plate, preceding closing cap and back closing cap, main part unit includes the base plate to and be provided with a plurality of reaction channel in the base plate, respectively be provided with a stirring unit in some or all reaction channel, the upper and lower side of main part unit is provided with upper end plate and lower plate respectively, the one end of main part unit is provided with preceding closing cap, and the other end is provided with back closing cap, be provided with sealing mechanism between main part unit and upper end plate, lower plate, preceding closing cap and the back closing cap.
As an alternative embodiment, the main unit further comprises a heat exchange mechanism including heat dissipation channels disposed between adjacent reaction channels, and an upper spoiler disposed on an upper side of the base plate and a lower spoiler disposed on a lower side of the base plate.
In an alternative embodiment, the main body unit is detachably connected with the upper end plate, the lower end plate, the front cover and the rear cover.
Compared with the prior art, the beneficial effect of this disclosure is:
the reactor provided by the present disclosure may be configured with a vibration unit, or may be matched with an external vibration device, and the vibration direction acting on the reactor is staggered with the main flow direction of the liquid flow, so that each stirring unit is vibrated by the action of external force. The stirring unit generates a tangential force to different liquids in the main flow direction, disperses the original fluid units and recombines new different fluid units, thereby achieving the effect of mixing and improving the reaction efficiency.
The reaction channel outside of this disclosure is provided with heat transfer mechanism, and heat transfer mechanism is four sides heat transfer structure, has increaseed every reaction channel's heat transfer area, and under the equal liquid holdup, the coefficient of heat transfer under the vibration state can reach the heat transfer coefficient that the industrialization is slightly reflected basically, and heat transfer performance is better.
Each reaction channel can be installed in a parallel connection mode, a series connection mode or a series-parallel connection mode according to actual demand, the structure is not required to be adjusted, the structure is simple, cleaning is convenient, and residues are not easy to exist.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to be construed as limiting the disclosure.
FIG. 1 is a diagram showing a structure of a reaction channel in accordance with the first embodiment;
FIG. 2 is a three-dimensional view of the structure of the main body unit according to the first embodiment;
FIG. 3 is a schematic structural view of a stirring unit according to the first embodiment;
FIG. 4 is a schematic diagram of a front flange plate structure according to the first embodiment;
FIG. 5 is a schematic diagram of a rear flange plate structure according to the first embodiment;
FIG. 6 is a schematic view of the entire reactor in the first embodiment;
FIG. 7 is a structural view of a heat exchange mechanism according to the second embodiment;
FIG. 8 is a schematic view of the insert of the second embodiment;
FIG. 9 is a schematic view of a spoiler structure according to the second embodiment;
fig. 10 is a schematic view of a heat dissipation channel structure according to the second embodiment;
FIG. 11 is a schematic view of the entire reactor of the second embodiment;
FIG. 12 is a schematic view of the entire reactor in the third embodiment;
FIG. 13 is a schematic view of the external appearance of the reactor of the third embodiment;
FIG. 14 is a schematic view of a vibration device according to a third embodiment;
FIG. 15 is the results of the reactor heat transfer coefficient test of example three;
FIG. 16 shows the heat transfer coefficient test results of a microreactor of the prior art;
FIG. 17 is the results of the reactor heat transfer coefficient test of example three;
FIGS. 18 (a) - (c) are temperature field clouds inside the reactor;
wherein (a) is a reaction channel temperature field cloud picture, (b) is a temperature field cloud picture in a heat dissipation frame, and (c) is a temperature field cloud picture in a spoiler;
FIG. 19 is a graph of the volumetric mass transfer coefficient inside the reactor as a function of residence time;
FIG. 20 is a graph of the mass transfer coefficient of the reactor internal volume as a function of flow;
FIG. 21 is a graph of flow rate versus flow rate.
Wherein: 1. the device comprises a front flange plate, 2, a main body unit, 3, a heat dissipation frame, 4, an upper spoiler, 5, an upper end plate, 6, a rear flange plate, 7, a lower end plate, 8, a lower spoiler, 9, a stirring unit, 10, a rectangular pipe, 11, a sealing groove, 12, a sealing cavity, 13, a transition hole, 14, an inlet/outlet, 15, a vibrating device, 16, a reactor, 17, an adjusting handle, 18, a control screen, 19 and a workbench.
A: inlet, B inlet;
a': an outlet, B': and (7) an outlet.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, are only terms of relationships determined for convenience in describing structural relationships of the components or elements of the present disclosure, do not refer to any components or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example one
The present embodiment provides a vibrating reactor structure, which can generate a shearing force on a fluid under the action of a vibrating unit, thereby promoting the mixing of the fluid.
Of course, within certain limits, as the amplitude or frequency increases, so does the mixing efficiency.
As shown in fig. 1, a vibrating reactor structure includes a main body unit 2, a stirring unit 9, and front and rear flange plates 6.
As shown in fig. 2, the main body unit 2 includes a main body frame, a plurality of rectangular tubes 10 (serving as reaction channels) are disposed in the main body frame, and the formed main body unit 2 is of a square or rectangular structure as a whole.
Of course, in other embodiments, the reaction channel may have other shapes, such as a tubular shape with a circular or elliptical cross-section, and the like, which will not be described herein.
The inside of the rectangular tube 10 is a circulation reaction chamber, and at least a part of the rectangular tube 10 is internally provided with a stirring unit 9. As shown in fig. 3, in the present embodiment, the stirring unit 9 is a porous square tube, and the circumference of the square tube includes a plurality of round holes with equal size and staggered positions.
Of course, in other embodiments, the stirring unit 9 may be a stud, a steel ball, a porous solid square rod, a porous circular tube, or the like according to different reaction types, which is not illustrated here, and the stirring unit 9 may be capable of stirring and mixing.
As shown in fig. 4 and 5, the front flange plate 1 and the rear flange plate 6 are sealing end portions of the reaction channel, and each include a plurality of sealing grooves 11, inlet/outlet ports 14, sealing cavities 12, and transition holes 13. Liquid in the reaction channel is fed and discharged through inlets and outlets on the front flange plate 1 and the rear flange plate 6. The outside of the seal cavity 12 is provided with a seal groove 11, and the seal cavity 12 is used for changing the connection relation of each reaction channel. When each of the sealed chambers 12 corresponds to one of the rectangular tubes 10 and shares one of the inlet/outlet ports 14, which are connected in parallel, when two of the rectangular tubes 10 share one of the sealed chambers 12 and the flow pattern is S-shaped, which is connected in series, as shown in fig. 6.
The transition hole 13 is a heat exchange channel communicating cavity, and several parallel heat dissipation frames 3 can be communicated through the transition hole 13 and commonly flow into or out from one inlet/outlet B and B ″, as shown in fig. 11.
The front flange plate 1 and the rear flange plate 6 are shared by the reaction channels. The number of the seal cavities 12 is multiple, and according to the whole series-parallel structure, the seal cavities 12 are selected to be in one-to-one correspondence with each reaction channel or share one seal cavity 12 with a plurality of reaction channels. Preferably, the shape of the capsule 12 is adapted to the cross-sectional shape of the reaction channel and is substantially the same size. In the present embodiment, all are rectangular.
The inlet/outlet port 14 provides an inlet or an outlet for a certain reaction channel or all reaction channels.
The main flow mixing principle of the reactor structure is shown in fig. 6, the reactor is connected with a vibration unit, or the vibration unit is arranged outside the reaction channel, and the direction of the vibration action generated by the vibration unit is perpendicular to the main flow direction of the liquid in the rectangular tube 10.
A. The material B firstly enters the main body unit 2 of the reaction channel through the inlet of the front flange plate 1 shown in FIG. 6, and enters the reaction channel through the communication part of the front flange plate 1 and the cavity of the main body unit 2, and the reaction channel is described by taking the example that the reaction channels are connected in series, the whole reaction area is S-shaped, the vibration direction of the reactor is perpendicular to the main flow direction of the liquid flow, and the stirring unit 9 in the reaction channel is subjected to the action of external force to carry out mechanical vibration or simple harmonic vibration. The stirring unit 9 is provided with through holes which are mutually staggered, and when the stirring unit vibrates, the through holes generate tangential force to different liquids in the main flow direction, so that the original fluid units are dispersed, new different fluid units are recombined, the mixing effect is achieved, and finally the mixed liquid flows out through the outlet of the rear flange plate 6.
Vibrating the rectangular tube 10 reactor provides improved mixing efficiency. And the processing cost is low, compared with the micro-reactor with the existing structure, the main structure mainly comprises the welding and processing of the rectangular pipe 10, the working hour is short, the cost is low, and the micro-reactor is suitable for batch production.
The reactor is convenient to interface with the outside, and can be installed in a parallel connection mode, a series connection mode or a series-parallel connection mode according to actual demand. The structure is relatively simple, the cleaning is convenient, and the residue is not easy to occur.
Different reaction types can be adapted by adjusting different amplitudes and frequencies according to different residence time and different reaction conditions required by different reactions. The reaction cavity has simple inner shape and less dead space, so that it is suitable for reaction medium with solid particle.
Example two
The utility model provides a vibrating reactor structure, the difference with above-mentioned embodiment one lies in, the reactor still includes heat transfer mechanism, and adopts the mixed heat transfer form all around, under the same liquid holdup, heat exchange efficiency can reach or even be superior to the microreactor of current structure. And the structure has simple processing and low cost.
The heat exchange mechanism consists of three parts, namely an upper spoiler 4 part, a lower spoiler 8 part and a heat dissipation frame 3 part, as shown in fig. 7. The upper spoiler 4 part, the lower spoiler 8 part and the heat dissipation frame 3 part are all provided with inserting pieces.
As shown in fig. 8, the structure of the insert comprises a sheet-shaped main body, wherein a plurality of convex parts are arranged on two sides of the sheet-shaped main body. In some embodiments, the protrusions on both sides are staggered to better disturb the flow.
Of course, in other embodiments, the insertion sheet is not necessarily in the shape as shown in the figures, but may also be in a convex shape, a concave shape, an S shape, and the like, and the description thereof is omitted.
The flow channel units of the upper spoiler 4 and the lower spoiler 8 are provided with a plurality of inserting pieces as shown in fig. 9. Of course, the blades may be arranged side-by-side, in a matrix or in a staggered arrangement.
The inserted sheets in different directions increase the circulation area of fluid passing through the spoiler, thereby improving the heat exchange efficiency. As shown in fig. 10, the structure of the heat dissipation frame 3 is similar to that of the spoiler, the rectangular frame is a main body, the insertion pieces which are staggered with each other are arranged inside the rectangular frame, and each heat dissipation frame 3 is installed between every two rectangular tubes 10 of the main body unit 2, as shown in fig. 11.
The four-side heat exchange structure increases the heat exchange area of each reaction channel, and the heat transfer coefficient under the vibration state can basically reach the industrial micro-inverse heat exchange coefficient under the same liquid holdup, so that the heat exchange performance is better.
EXAMPLE III
A plate reactor mainly comprises 9 units, and is divided into a front flange plate 1, a main body unit 2, a heat dissipation frame 3, an upper spoiler 4, an upper end plate 5, a rear flange plate 6, a lower end plate 7, a lower spoiler 8 and a stirring unit 9. The sealing ring is adopted between the plates in a sealing mode through the peripheral bolt connection, and the sealing ring is the same as the traditional assembly mode and is not repeated. Fig. 12 shows the installation of each passage plate, and fig. 13 shows the installation of each passage plate.
The front flange plate 1 and the rear flange plate 6 are covers at two ends of the device, have similar structures, and are used for providing a reaction cavity inlet/outlet channel and a fluid reversing channel, and simultaneously providing a heat exchange cavity inlet/outlet channel and a heat exchange medium reversing channel, as shown in fig. 12.
The main body unit 2 is a reaction chamber main body of the equipment, and mainly comprises a plurality of rectangular tubes 10, and fluid media shuttle in the rectangular tubes 10 for reaction.
The heat dissipation frame 3 is located on the side portion of the rectangular tube 10 module of the main body unit 2 and used for providing a heat exchange medium flow channel and providing heat exchange for the side portion of the reaction cavity, and the process is simple due to water cutting or laser processing.
Go up spoiler 4, lower spoiler 8 is located 2 rectangular tube 10 module upper and lower both sides of main part unit for provide heat transfer medium flow channel, for both sides provide the heat transfer about the reaction chamber, water cutting or laser beam machining, simple process.
The upper end plate 5 and the lower end plate 7 are upper and lower sealing covers of the equipment, have similar structures and are used for sealing the whole heat exchange cavity.
The stirring unit 9 is located inside each rectangular tube 10 of the reaction body for providing a tangential force action to the fluid medium as an active stirring unit 9 when the reactor is vibrated. Of course, the stirring unit 9 may be disposed only inside a portion of the rectangular tube 10 according to the reaction requirements.
The reactor with the stirring elements 9 and the rectangular tubes 10 was found to have a good heat transfer performance, as shown in fig. 21, in this example, the rectangular tube chamber size was 17 × 8mm.
Of course, in other embodiments, the above parameters may all be varied as appropriate. However, it should be noted that if the rectangular pipe chamber is too small in size, the size of the stirring unit is also correspondingly reduced, and the staggered holes on the surface of the stirring unit are reduced, so that a (water) film is formed on the surface of the small holes under the working condition of high-speed vibration, and the resistance to vibration is increased.
The indoor size of the rectangular tube cannot be enlarged at one time, and if the indoor size is too large, the heat transfer area per unit volume of the reaction channel is reduced at the same flow rate.
Under the condition that the flow rate is 1L/min, if the size in the rectangular tube chamber is 22 x 12mm, the flow speed is 0.06m/s, the flow speed of the reactor is 0.12m/s, the flow speed in the reaction channel is greatly improved, and the heat transfer area of the unit volume of the reaction channel is correspondingly increased, so that the heat transfer coefficient and the bulk heat transfer coefficient are correspondingly increased.
The stirring unit is related to the indoor size of the rectangular tube in the reaction main body, the indoor size of the rectangular tube is large, the volume of the corresponding stirring unit needs to be enlarged, the indoor size of the rectangular tube is small, the volume of the corresponding stirring unit needs to be reduced, the weight of the stirring unit of the reactor provided by the embodiment is 0.05-0.07kg, and the staggered hole on the surface of the stirring unit is phi 2.
The plate reactor may be used in combination with a vibration device, the amplitude of which is adjustable by means of the vibration device 15.
As shown in fig. 14, in the present embodiment, the vibration device 15 is disposed at the lower end of the reactor, or the reactor 16 may be carried by the vibration device, the vibration device 15 is internally provided with a motor, a reducer and an eccentric wheel, the motor is connected with the reducer, the reducer is connected with the eccentric wheel, and the eccentric wheel generates vibration.
Through the motor, the structure that the speed reducer drove the eccentric wheel realizes the vibration under the different amplitudes, and optional automatically regulated perhaps adjusts the inside eccentric wheel eccentric distance of adjustment handle 17 to the size of adjustment amplitude, adjustment handle 17 also can set up to the motor, rotates the inside eccentric wheel eccentric distance of number of turns adjustment through setting up the accommodate motor, thereby the size of adjustment amplitude.
The vibration device 15 further comprises a worktable 19, and the worktable 19 is provided with a display panel (or a control screen 18) for controlling the rotating speed of the servo motor by inputting different frequencies, so as to achieve the effect of adjusting the frequency.
The lower end of the table 19 may also be provided with road wheels or universal wheels to facilitate movement of the vibration device 15.
Of course, the vibration unit may employ a mechanical vibration mechanism or an ultrasonic vibration mechanism.
In some embodiments, an ultrasonic vibration mechanism is selected, and comprises an ultrasonic generator, an ultrasonic transducer and a horn, wherein the ultrasonic generator is connected with the ultrasonic transducer, and the ultrasonic transducer is contacted with the reaction channel through the horn and vibrates.
In some embodiments, a mechanical vibration mechanism is selected, and includes a driving motor, a speed reducer, an eccentric wheel and a pushing rod, the driving motor is connected with the speed reducer, the motor rotates to drive the eccentric wheel to rotate, and then drives the pushing rod to reciprocate back and forth, and the pushing rod continuously impacts the main body unit 2, so that vibration is generated.
Ultrasonic vibration mechanism, the vibration unit can realize the low amplitude vibration of high frequency, and mechanical type vibration mechanism, the vibration unit can realize the high amplitude vibration of low frequency, and different vibration forms are selected according to actual reaction demand.
In some embodiments, a finished product vibration test bed mechanism is selected, comprises a vibration testing machine with vertical amplitude modulation, horizontal amplitude modulation and frequency modulation, and is provided with a workpiece clamping device, so that sinusoidal vibration or random vibration can be realized.
Some of the above examples were verified and compared to conclude the following:
the provided vibration reactor has a better heat transfer effect. As shown in fig. 15-17, which are graphs of the heat transfer test results of different reactors, the heat transfer coefficient change curves are shown along with the increase of the flow rate, and it can be seen that the heat transfer coefficient of the reactor is always in an ascending trend along with the increase of the amplitude and the flow rate. FIGS. 15 and 17 are heat transfer effect diagrams of the vibration reactor, FIG. 16 is a heat transfer effect diagram of the micro-reactor, and the heat transfer coefficient of the vibration plate type reactor can be improved by about 10% compared with the micro-inverse structure under the same liquid holdup and the same flow rate.
The vibration reactor has a good heat exchange effect, so that the use requirements of more reaction working conditions are met, and a remarkable promoting effect is brought to reaction production.
As shown in fig. 18 (a) - (c), the temperature field cloud inside the reactor is shown. Through CFD software simulation, the structure heat exchange effect of the reactor is good.
The provided vibrating reactor has higher mass transfer efficiency.
The experiment adopts a n-butyl alcohol-succinic acid-water extraction system to carry out the experiment, the extracted substance is succinic acid, the extraction direction is from organic phase extraction to water phase, and the concentration of the succinic acid in the oral water phase is detected by adopting an acid-base titration method. The concentrations of each phase solution used in the experiments are shown in the table below.
TABLE 1 phase solution parameters in the experiment
Figure 702537DEST_PATH_IMAGE001
As shown in fig. 19 and 20, it can be seen that the volume mass transfer coefficient of the reactor (liquid holdup of 280 mL) continuously increased as the residence time was shortened.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the embodiments of the present disclosure have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present disclosure, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive changes in the technical solutions of the present disclosure.

Claims (11)

1. A vibratory reactor, comprising: the device comprises a main body unit, a vibration unit and a stirring unit, wherein the main body unit is provided with a plurality of reaction channels, the reaction channels are arranged side by side, and the stirring unit is arranged in at least one reaction channel;
a vibration unit is arranged on the outer side of at least one reaction channel, and the vibration action direction generated by the vibration unit forms a certain angle with the extension direction of the reaction channel;
the heat exchanger comprises a heat exchange mechanism, wherein the heat exchange mechanism comprises an upper spoiler, a lower spoiler and a heat dissipation frame, the upper spoiler is arranged at the upper end of each reaction channel, the lower spoiler is arranged at the lower end of each reaction channel, the heat dissipation frame is arranged between every two reaction channels, the upper spoiler, the lower spoiler and the heat dissipation frame are respectively provided with an inserting sheet, each inserting sheet comprises a sheet main body, a plurality of protruding parts are arranged on two sides of each sheet main body, and the protruding parts on the two sides are arranged in a staggered mode;
still include preceding flange board and back flange board, preceding flange board, the back flange board is each reaction channel sharing, preceding flange board, the back flange board is reaction channel's sealed tip, all include a plurality of seal groove, advance/export, sealed chamber and transition hole, liquid in the reaction channel passes through preceding flange board, advance/export feeding and the ejection of compact on the back flange board, the outside in sealed chamber is provided with the seal groove, sealed chamber is used for changing each reaction channel's relation of connection, sealed chamber and each reaction channel one-to-one or a sealed chamber of a plurality of reaction channel sharing, the transition hole is heat transfer channel intercommunication chamber.
2. A vibratory reactor as set forth in claim 1 wherein: and a plurality of through holes which are staggered with each other are arranged on the stirring unit.
3. A vibratory reactor as set forth in claim 1 wherein: the vibration unit comprises a shell, wherein a motor, a speed reducer and an eccentric wheel are arranged in the shell, the motor is connected with the speed reducer, the speed reducer is connected with the eccentric wheel, and the eccentric wheel vibrates.
4. A vibratory reactor as set forth in claim 3 wherein: the shell is provided with a display module and an input module.
5. A vibratory reactor as set forth in claim 3 wherein: and the lower end of the shell is provided with a travelling wheel.
6. A vibratory reactor as set forth in claim 1 wherein: the vibration unit is provided with an eccentric wheel adjusting device.
7. A vibratory reactor as set forth in claim 1 wherein: the reaction channels are arranged in parallel, and the stirring units are arranged in parallel.
8. A vibratory reactor as set forth in claim 7 wherein: the adjacent reaction channels are connected in series or/and in parallel.
9. A vibratory reactor as set forth in claim 7 wherein: the vibration direction is perpendicular to the extending direction of the reaction channel.
10. A plate reactor, characterized by: the stirring device comprises a main body unit, an upper end plate, a lower end plate, a front flange plate and a rear flange plate, wherein the main body unit comprises a base plate, a plurality of reaction channels are arranged in the base plate, a stirring unit is respectively arranged in part or all of the reaction channels, the upper end plate and the lower end plate are respectively arranged on the upper side and the lower side of the main body unit, the front flange plate is arranged at one end of the main body unit, the rear flange plate is arranged at the other end of the main body unit, and a sealing mechanism is arranged between the main body unit and the upper end plate, between the main body unit and the lower end plate, between the main body unit and the front flange plate and between the main body unit and the rear flange plate;
the front flange plate and the rear flange plate are sealing end parts of the reaction channel and respectively comprise a plurality of sealing grooves, an inlet/outlet, a sealing cavity and a transition hole; liquid in the reaction channels is fed and discharged through inlet/outlet ports on the front flange plate and the rear flange plate, a sealing groove is arranged on the outer side of the sealing cavity, the sealing cavity is used for changing the connection relation of the reaction channels, and the transition hole is a heat exchange channel communication cavity;
the main body unit also comprises a heat exchange mechanism, wherein the heat exchange mechanism comprises a heat dissipation frame arranged between adjacent reaction channels, an upper spoiler arranged on the upper side of the substrate and a lower spoiler arranged on the lower side of the substrate; go up spoiler, lower spoiler and heat dissipation frame and all be provided with the inserted sheet, the inserted sheet includes the slice main part, and the both sides of slice main part all are provided with a plurality of bellyings, and crisscross setting between the bellyings of both sides.
11. A plate reactor according to claim 10, wherein: the main body unit is detachably connected with the upper end plate, the lower end plate, the front flange plate and the rear flange plate.
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