CN207221889U - A kind of microreactor - Google Patents
A kind of microreactor Download PDFInfo
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- CN207221889U CN207221889U CN201721073721.0U CN201721073721U CN207221889U CN 207221889 U CN207221889 U CN 207221889U CN 201721073721 U CN201721073721 U CN 201721073721U CN 207221889 U CN207221889 U CN 207221889U
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- inner core
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- microreactor
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Abstract
The utility model provides a kind of microreactor, it includes shell (1) and inner core (2), the shell (1) has hollow cavity, the inner core (2) is arranged in the hollow cavity of the shell (1) and the reaction channel (7) for being used for carrying out micro- reaction is formed between the inner wall of the inner core (2) outer wall and the shell (1), wherein the reaction channel (7) is spiral-shaped helical duct.The utility model is by setting shell and inner core and helically shaped reaction channel being set between shell and inner core, the mixed area of reaction medium can effectively be increased, can effectively it be uniformly mixed, so that reaction is more uniform, abundant and thorough, the reaction efficiency of microreactor is effectively improved；The overall volume of microreactor can be made smaller in the case of same reaction efficiency, can effectively reduce the flow channel length and overall volume of microreactor, solve flow channel length and the problems such as overall volume is limited be subject to space.
Description
Technical field
The utility model belongs to micro-reacting tcchnology field, and in particular to a kind of microreactor.
Background technology
Microreactor be it is a kind of by means of special micro-processing with solid matrix manufacture can be used for chemically reacted
Three-dimensional structure element.Microreactor usually contains small channel size (equivalent diameter is less than 500 μm) and passage diversity, stream
Body flows in these passages, and requires that required reaction occurs in these passages.Which results in micro-structure
There is very big surface area/volume ratio rate in chemical device.Microreactor utilizes the characteristic size of precision processing technology manufacture
Microreactor between 10 to 300 microns (or 1000 microns), the micro-of microreactor represent the passage of process fluid
In the micron-scale not, the appearance and size without referring to micro-reactor apparatus is small or the yield of product is small.It can include in microreactor
Millions of minitype channel, therefore also realize very high yield.Microreactor equipment is according to its main application or function
Micro-mixer, micro- heat exchanger and microreactor can be subdivided into.Since its internal micro-structure causes microreactor equipment to have
Great specific surface area, up to even thousands of times of the hundred times of stirred tank specific surface area.Microreactor have fabulous heat transfer and
Mass transfer ability, it is possible to achieve the uniform mixing of the moment of material and efficient heat transfer, therefore many can not be real in conventional reactor
Existing reaction can be realized in microreactor.
At present in industry micro- reaction channel have reaction efficiency is low, heat exchange structure is complicated and heat exchange efficiency is low, flow channel length
Limited be subject to space, processed complex the problems such as, therefore the utility model research and design goes out a kind of microreactor.
Utility model content
Therefore, the technical problems to be solved in the utility model is that overcoming microreactor of the prior art to there is reaction imitates
The defects of rate is low, so as to provide a kind of microreactor.
The utility model provides a kind of microreactor, it includes shell and inner core, and the shell has hollow cavity, described
Inner core is arranged in the hollow cavity of the shell and is formed between the interior outer core and the inner wall of the shell and used
In the reaction channel for carrying out micro- reaction, wherein the reaction channel is spiral-shaped helical duct.
Preferably, the inner core can be circular or square, and can be cylinder or tubular structure.
Preferably, the shell is adapted with the shape of the inner core, can be circular or square tubular structure.
Preferably, it is provided with the first spiral slot to form the helical duct on the outer surface of the inner core, and/
Or, the second helix groove to form the helical duct is provided with the inner surface of the shell.
Preferably, first spiral slot of the interior core outer surface is set to external screw thread, and the shell is light-pipe structure,
The reaction channel is formed between the external screw thread and the outer casing inner wall of light-pipe structure；
Alternatively, second spiral slot of the inner surface of the shell is set to internal thread, the inner core is plain shaft structure,
The reaction channel is formed between the outer wall of the inner core of the internal thread and plain shaft structure；
Alternatively, second spiral slot of the inner surface of the shell is set to internal thread, the institute of the interior core outer surface
State the first spiral slot and be set to external screw thread, the reaction channel is formed between the internal thread and external screw thread.
Preferably, the shell and the inner core are the rotary structure being arranged concentrically, and have identical centre of gyration line；
The cross sectional shape in the external screw thread along the centre of gyration line direction is by multiple arcs section or by multiple rectangular sections
The waveform of composition；
And/or the cross sectional shape in the internal thread along the centre of gyration line direction is by multiple arcs section or by multiple
The waveform of rectangular section composition.
Preferably, the cross sectional shape of the spiral slot is arc, square, rectangle, trapezoidal or triangle.
Preferably, the reaction inlet of the reaction channel is formed on an identical end of the shell and the inner core,
The reaction outlet of the reaction channel is formed on another identical end.
Preferably, the inner core is the hollow tubular structure with internal cavities, the internal cavities circulation heat transferring medium, institute
The one end for stating hollow tubular structure forms the circulation entrance of heat transferring medium, the flow outlets of other end formation heat transferring medium.
Preferably, the inner surface of the inner core of hollow tubular structure is also equipped with turbulence structure, it is preferable that the flow-disturbing knot
Structure is set to internal thread.
Preferably, the pipe thickness of the shell and the inner core is 0.1-20mm, the external screw thread depth of inner core
0.01mm-2mm, the internal diameter of inner core is 0.1-100mm.
Preferably, the shell and the inner core are by least one of stainless steel, nickel-base alloy, non-ferrous metal material institute
It is made.
Preferably, the stainless steel includes 304 stainless steels, 316 stainless steels, 316L stainless steels, dual phase steel, super austenitic
At least one of stainless steel, super-duplex stainless steel；
And/or the nickel-base alloy includes at least one of Hastelloy, monel metal, Inco nickel；
And/or non-ferrous metal includes at least one of titanium, tantalum, niobium, zirconium.
A kind of microreactor provided by the utility model has the advantages that：
1. the microreactor of the utility model, by setting shell and inner core and spiral shell being arranged between shell and inner core
The reaction channel of shape is revolved, can effectively increase the mixed area of reaction medium, can effectively be uniformly mixed so that
Reaction is more uniform, abundant and thorough, is effectively improved the reaction efficiency of microreactor；
2. the microreactor of the utility model, due to being effectively improved the reaction efficiency of microreactor, identical
The overall volume of microreactor smaller can be made in the case of reaction efficiency, the runner of microreactor can be effectively reduced
The problems such as length and overall volume, effectively solution flow channel length and overall volume are limited be subject to space；
3. the microreactor of the utility model, by the hollow tubular structure for by inner core being also configured as that there are internal cavities, and
And the heat transferring medium that circulates in its cavity, enable to microreactor to have the function of heat exchange and effect, enable to anti-
The heat that should be produced can be utilized for heating or hot water preparing to heat heat transferring medium；
4. the microreactor of the utility model, interior spiral shell is also equipped with by the inner surface of the inner core in hollow tubular structure
The mode of line structure, can increase the contact area between heat transferring medium and heart inner wall, effectively lift it with being situated between outside inner core tube
The heat exchange area of matter, so as to effectively improve the heat exchange efficiency of microreactor.
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the sectional view along central axial direction of the embodiment 1 of the microreactor of the utility model；
Fig. 2 is the enlarged structure schematic diagram of the I parts in Fig. 1；
Fig. 3 is the sectional view along central axial direction of the embodiment 2 of the microreactor of the utility model；
Fig. 4 (a) is schematic diagram of the helical duct of embodiment 2 along central axial direction section for arcuate shape；
Fig. 4 (b) is schematic diagram of the helical duct of embodiment 2 along central axial direction rectangular cross-section shape；
Fig. 5 is that the utility model for shell of reactor outer shape is structural representation that multiple U-shaped structures are spliced
Figure；
Fig. 6 is the utility model for structure diagram that shell of reactor outer shape is spiral element structure.
Reference numeral is expressed as in figure：
1-shell, 2-inner core, 3-reaction inlet, 4-reaction outlet, 5-circulation entrance, 6-flow outlets, 7-anti-
Answer passage, 8-heat exchanger channels.
Embodiment
It is specific below in conjunction with the utility model to make the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
Only it is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, this area
Those of ordinary skill's all other embodiments obtained without making creative work, belong to the utility model
The scope of protection.
As shown in figures 1 to 6, the utility model provides a kind of microreactor, it includes shell 1 and inner core 2, and the shell 1 has
Have a hollow cavity, the inner core 2 be arranged in the hollow cavity of the shell 1 and 2 outer wall of inner core with it is described outer
Formed between the inner wall of shell 1 and be used to carry out the reaction channel of micro- reaction, wherein the reaction channel is spiral-shaped spiral logical
Road.It is described it is spiral-shaped can be rule it is spiral-shaped, be, for example, screw thread shape or helix shape or
It is irregular spiral-shaped, such as be wound around in square tube, with the spiral-shaped of fusiform structure.
The microreactor of the utility model, by setting shell and inner core and being arranged between shell and inner core spiral
The reaction channel of shape, can effectively increase the mixed area of reaction medium, and produce turbulence effects, can be effectively
It is uniformly mixed so that reaction is more uniform, abundant and thorough, is effectively improved the reaction efficiency of microreactor.
Preferably, it is provided with the first spiral slot to form the helical duct on the outer surface of the inner core 2, and/
Or, the second spiral slot to form the helical duct is provided with the inner surface of the shell 1.This is the utility model
Microreactor forms the specific implementation of helical duct, or by opening up the first spiral slot on interior core outer surface, wanting
Or the second spiral slot is opened up on surface inside the shell, on said two devices at the same open up the first above-mentioned spiral slot and
Second spiral slot, with the first spiral slot and the second spiral slot, can be formed spiral-shaped by spiral slot
Reaction channel, so as to improve reaction efficiency.
Preferably, the inner core 2 can be circular or square, and can be cylinder or tubular structure.
Preferably, the shell 1 is adapted with the shape of the inner core, can be circular or square tubular structure.
Preferably, first spiral slot of 2 outer surface of inner core is set to external screw thread, and the shell 1 is light pipe knot
The reaction channel is formed between the outer casing inner wall of structure, the external screw thread and light-pipe structure；
Alternatively, second spiral slot of the inner surface of the shell 1 is set to internal thread, the inner core 2 is optical axis knot
Structure, forms the reaction channel between the outer wall of the inner core 2 of the internal thread and plain shaft structure；
Alternatively, second spiral slot of the inner surface of the shell 1 is set to internal thread, 2 outer surface of inner core
First spiral slot is set to external screw thread, and the reaction channel 7 is formed between the internal thread and external screw thread.
Preferably, the cross sectional shape of the spiral slot for arc, square, rectangle, trapezoidal, triangle or other
Suitable for the shape processed and used, the section of spiral slot can also be irregular shape.
This is more specifical several implementations for being preferably formed as spiral shape reaction channel of the microreactor of the utility model
Mode, can effectively between the external screw thread of inner core and the outer casing inner wall of light-pipe structure, piston is outside the inner core of light-pipe structure
Or formed between wall and the internal thread of shell and between the external screw thread of inner core and the internal thread of shell required spiral
Reaction channel, so as to increase the reaction efficiency that reaction mixed area (specific surface area) effectively improves reactor.
Preferably, the shell 1 and the inner core 2 are the rotary structure being arranged concentrically, and have the identical centre of gyration
Line；
The cross sectional shape in the external screw thread along the centre of gyration line direction is by multiple arcs section or by multiple rectangular sections
The waveform of composition；
And/or the cross sectional shape in the internal thread along the centre of gyration line direction is by multiple arcs section or by multiple
The waveform of rectangular section composition.
Shell and inner core are arranged to concentric rotary structure, enable to the helical duct between inner core and shell to exist
Aisle spare at diverse location is equal as much as possible so that even fluid distribution, improves the uniformly mixed journey of fluid-mixing
Degree, so as to improve the reaction efficiency of microreactor；External screw thread and/or internal thread are arranged to by multiple arcs section or multiple at the same time
Rectangular section composition waveform, then be the helical duct of the utility model microreactor specific molding mode and molding structure,
It is a kind of preferable structure and embodiment.
Preferably, the reaction inlet of the reaction channel is formed on an identical end of the shell 1 and the inner core 2
3, the reaction outlet 4 of the reaction channel is formed on another identical end.By being formed in phase the same end of shell and inner core
Reaction inlet can cause reacting fluid to enter from it, export in the formation reaction of another same side and reacting fluid can be flowed out from it,
For complete fluid active flow provide condition, enable reacting fluid effectively enter carry out reacting in helical duct simultaneously energy
The fluid reacted is effectively discharged out, completes the whole process of reaction.
Preferably, the inner core 2 is the hollow tubular structure with internal cavities, the internal cavities circulation heat transferring medium,
Heat exchanger channels 8 are formed, one end of the hollow tubular structure forms the circulation entrance 5 of heat transferring medium, other end formation heat transferring medium
Flow outlets 6.The microreactor of the utility model, by the hollow tubular structure for by inner core being also configured as that there are internal cavities,
And circulate heat transferring medium in its cavity, enable to microreactor to have the function of heat exchange and effect, enable to
The heat that reaction produces can be utilized for heating or hot water preparing to heat heat transferring medium.
Preferably, the inner surface of the inner core 2 of hollow tubular structure is also equipped with internal thread structure.The utility model it is micro-
Reactor, by way of the inner surface of the inner core in hollow tubular structure is also equipped with internal thread structure, can increase and change
Contact area between thermal medium and heart inner wall, effectively lifts its heat exchange area with medium outside inner core tube, so that effectively
Improve the heat exchange efficiency of microreactor.
Preferably, the pipe thickness of the shell 1 and the inner core 2 is 0.1-20mm, the external screw thread depth of inner core
0.01mm-2mm (i.e. reaction channel), preferably inner core internal diameter 0.1-100mm, inner core internal diameter 0.1-20mm.This is the utility model
The shell of microreactor and the specific values of the structural parameters of inner core, can consider from mixing and pressure etc. and cause mixed
Close effect more preferably and the pressure loss accomplishes minimum.
Preferably, the shell and the inner core are by least one of stainless steel, nickel-base alloy, non-ferrous metal material institute
It is made.This is that the shell of the utility model and the preferable of inner core produce material, is chosen to stainless steel, nickel-base alloy, has
At least one of non-ferrous metal, on the premise of can effectively preventing from being corroded, not influencing substance reaction, improves heat transfer intensity,
Improve heat exchange efficiency.
Preferably, the stainless steel includes 304 stainless steels, 316 stainless steels, 316L stainless steels, dual phase steel, super austenitic
At least one of stainless steel, super-duplex stainless steel；
And/or the nickel-base alloy includes at least one of Hastelloy, monel metal, Inco nickel；
And/or non-ferrous metal includes at least one of titanium, tantalum, niobium, zirconium.
This be the stainless steel of the utility model preferably constitute mode, nickel-base alloy preferably constitutes mode and has coloured gold
What is belonged to preferably constitutes mode.
As seen in figs. 5-6, it is preferable that the contour structures of the shell are the multiple U-tubes or spiral element mutually spliced
Structure.This is the preferred structure shape of the housing profile of the utility model, may also include other structure types certainly, unlimited
In above-mentioned concrete structure.
The operation principle and preferred embodiment of the utility model is described below
The utility model devises microreactor, shares two schemes
Embodiment 1, as shown in Figs. 1-2：The microreactor mainly includes：Shell 1, inner core 2, reaction inlet 3, reaction outlet
4.Screw thread is designed with core surface, screw thread can be external screw thread, or have internal and external threads at the same time, be designed with external screw thread
Reaction channel；Inner surface of outer cover is designed with and the matched shell internal thread of heart external screw thread；By inner core and shell assembling one
Rise, inner core external screw thread and the reaction channel of shell internal thread composition sealing.
Embodiment 2, as shown in Fig. 3-4 (b)：The microreactor mainly includes：Shell 1, inner core 2, reaction inlet 3, reaction
Outlet 4.Core surface is designed with internal and external threads, and shell is light pipe, and inner surface of outer cover coordinates with the raised sealing of inner core external screw thread, makes
Inner core external screw thread sunk part is reaction channel.
Two schemes can select the length of reactor as needed, and compact-sized, occupied space is few.And it can prepare
Into variously-shaped.Raised or concave threaded line can be set in screw thread reaction channel in order to strengthen turbulence effects at the same time.
It can be installed by cold charge or rotation, be installed into inner core is about in shell.According to above-mentioned principle, can design
Multilayer inner core cover is in a shell.
Design parameter is as follows：
1st, shell and inner core pipe thickness 0.1-20mm, external screw thread the depth 0.01mm-2mm, internal diameter 0.1-20mm of inner core；
2nd, coefficient of heat transfer K values are 7000-25000W/ (m2·k)；
3rd, passage material：Can be metal material stainless steel such as 304 stainless steels, 316 stainless steels, 316L stainless steels, two-phase
Stainless steel, super stainless steel etc., nickel-base alloy：Hastelloy, monel metal, Inco nickel etc., special non-ferrous metal：Titanium,
Tantalum, niobium, zirconium etc..
(2), beneficial effect
1. by helical duct, it is not related to having the design such as right angle, is not in flowing blind area
2. producing turbulence effects, mixing efficiency is improved
3. heat exchange efficiency is high, precise control of temperature
4th, simple in structure, easily production, is easily installed
This microreactor uses helix tube type structure, using water as heat transferring medium, is calculated by local heat transfer, microchannel
The coefficient of heat transfer of reactor is 7000-25000W/ (m2K), it is 100-200 times of common tank reactor heat exchange efficiency.It is logical
Cross experimental data contrast to understand, the micro passage reaction of this form can take away the heat for reacting generation in time, traditional chuck
- 20 DEG C of heating stirring kettle reaction temperature, yield 80%, the reactor can be at 25 DEG C, lower progress, and high income is up to 98%.
It will be readily appreciated by those skilled in the art that on the premise of not conflicting, above-mentioned each advantageous manner can be freely
Combination, superposition.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (11)
- A kind of 1. microreactor, it is characterised in that：Including shell (1) and inner core (2), the shell (1) has hollow cavity, institute Inner core (2) is stated to be arranged in the hollow cavity of the shell (1) and in the outer wall and the shell (1) of the inner core (2) Inner wall between formed and be used to carry out the reaction channel (7) of micro- reaction, wherein the reaction channel (7) is spiral-shaped spiral Passage.
- 2. microreactor according to claim 1, it is characterised in that：Set on the outer surface of the inner core (2) tangible Into the first spiral slot of the helical duct, and/or, be provided with the inner surface of the shell (1) to be formed it is described spiral Second spiral slot of passage.
- 3. microreactor according to claim 2, it is characterised in that：Described the first of inner core (2) outer surface is spiral Shape groove is set to external screw thread, and the shell (1) is light-pipe structure, is formed between the outer casing inner wall of the external screw thread and light-pipe structure The reaction channel；Alternatively, second spiral slot of the inner surface of the shell (1) is set to internal thread, the inner core (2) is optical axis knot Structure, forms the reaction channel between the outer wall of the inner core (2) of the internal thread and plain shaft structure；Alternatively, second spiral slot of the inner surface of the shell (1) is set to internal thread, inner core (2) outer surface First spiral slot is set to external screw thread, and the reaction channel is formed between the internal thread and external screw thread.
- 4. microreactor according to claim 2, it is characterised in that：The cross sectional shape of the spiral slot is arc, just Square, rectangle, trapezoidal or triangle.
- 5. according to the microreactor described in one of claim 1-4, it is characterised in that：In the shell (1) and the inner core (2) An identical end on form the reaction inlet (3) of the reaction channel, form the reaction channel on another identical end Reaction outlet (4).
- 6. according to the microreactor described in one of claim 1-4, it is characterised in that：The inner core (2) is with internal cavities Hollow tubular structure, the internal cavities circulate heat transferring medium, and one end of the hollow tubular structure forms the circulation of heat transferring medium Entrance (5), the other end form the flow outlets (6) of heat transferring medium.
- 7. microreactor according to claim 6, it is characterised in that：The inner surface of the inner core (2) of hollow tubular structure It is provided with turbulence structure.
- 8. microreactor according to claim 7, it is characterised in that：The turbulence structure is set to internal thread.
- 9. microreactor according to claim 3, it is characterised in that：The shell (1) and the thickness of pipe wall of the inner core (2) Degree is 0.1-20mm, and the external screw thread depth of inner core is 0.01mm-2mm, and the internal diameter of inner core is 0.1-100mm.
- 10. the microreactor according to one of claim 1-4,7-9, it is characterised in that：The shell (1) and the inner core (2) as made by least one of stainless steel, nickel-base alloy, non-ferrous metal material.
- 11. microreactor according to claim 10, it is characterised in that：The stainless steel includes 304 stainless steels, 316 not Become rusty at least one of steel, 316L stainless steels, two phase stainless steel, super stainless steel；And/or the nickel-base alloy includes at least one of Hastelloy, monel metal, Inco nickel；And/or non-ferrous metal includes at least one of titanium, tantalum, niobium, zirconium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073721.0U CN207221889U (en) | 2017-08-25 | 2017-08-25 | A kind of microreactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721073721.0U CN207221889U (en) | 2017-08-25 | 2017-08-25 | A kind of microreactor |
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| CN207221889U true CN207221889U (en) | 2018-04-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433174A (en) * | 2017-08-25 | 2017-12-05 | 山东豪迈化工技术有限公司 | A kind of microreactor |
| CN108745222A (en) * | 2018-06-20 | 2018-11-06 | 华北电力大学 | A kind of anti-settling declines reactor and synthesis system |
| CN111116373A (en) * | 2020-01-03 | 2020-05-08 | 江苏方圆芳纶研究院有限公司 | Intrinsically safe production process of dinitrobenzene and phenylenediamine |
| CN111569780A (en) * | 2020-05-24 | 2020-08-25 | 西安交通大学 | Internal mixing type supercritical hydrothermal synthesis nano powder reactor |
-
2017
- 2017-08-25 CN CN201721073721.0U patent/CN207221889U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433174A (en) * | 2017-08-25 | 2017-12-05 | 山东豪迈化工技术有限公司 | A kind of microreactor |
| CN108745222A (en) * | 2018-06-20 | 2018-11-06 | 华北电力大学 | A kind of anti-settling declines reactor and synthesis system |
| CN108745222B (en) * | 2018-06-20 | 2023-09-01 | 华北电力大学 | Anti-sedimentation type microreactor and synthesis system |
| CN111116373A (en) * | 2020-01-03 | 2020-05-08 | 江苏方圆芳纶研究院有限公司 | Intrinsically safe production process of dinitrobenzene and phenylenediamine |
| CN111116373B (en) * | 2020-01-03 | 2021-01-08 | 江苏方圆芳纶研究院有限公司 | Intrinsically safe production process of dinitrobenzene and phenylenediamine |
| CN111569780A (en) * | 2020-05-24 | 2020-08-25 | 西安交通大学 | Internal mixing type supercritical hydrothermal synthesis nano powder reactor |
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