CN213222110U - Continuous flow reaction device - Google Patents
Continuous flow reaction device Download PDFInfo
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- CN213222110U CN213222110U CN202021804329.0U CN202021804329U CN213222110U CN 213222110 U CN213222110 U CN 213222110U CN 202021804329 U CN202021804329 U CN 202021804329U CN 213222110 U CN213222110 U CN 213222110U
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Abstract
The utility model provides a continuous flow reaction unit, which comprises a frame, set up the temperature controller in the frame, set up the thermostatic bath in the frame, set up the heating device who is connected with the temperature controller electricity in the thermostatic bath, set up in the frame and have two pan feeding mouths at least, with the mixer of pan feeding mouth through first pipe connection, first microchannel reactor and second microchannel reactor that are connected respectively through first three-way valve with the mixer, be connected the second pipeline that is used for exporting the reaction resultant through second three-way valve with first microchannel reactor and second microchannel reactor. The mixer, the first microchannel reactor, and the second microchannel reactor are disposed within a thermostatic bath. Through this example implementation, satisfy the developer and experiment the demand to different reaction volumes at different reactions, realize the heat transfer of reactant, reach reaction temperature, increase the practicality to solve the great problem of area occupied in current microchannel reactor test place, effectively reduce the research and development cost.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of chemical industry equipment's technique and specifically relates to a continuous flow reaction unit is related to.
[ background of the invention ]
Continuous flow microreaction technology is known as a new reaction technology in the chemical and pharmaceutical industry. The continuous flow reaction device refers to a microchannel reactor, a microstructure reactor or a microfluid reaction device and the like, which can enable materials to perform a process in the flowing process, such as chemical reaction, process heat exchange, reaction product separation and the like.
However, the existing continuous flow microreactor in the market is mainly imported, expensive, single in use function, poor in applicability, and only can be used as a reactor, and cannot meet the requirements of developers of continuous flow processes. In addition, although the microchannel reactors provided in China are various in types, the microchannel reactors can be used only by needing additional matched heat exchangers, and the power is generally higher than 5.5kw, so that the occupied area of a test site is large, and the research and development cost is increased.
Accordingly, the prior art is in need of improvement and development.
[ summary of the invention ]
An object of the utility model is to provide a continuous flow reaction unit for solve current continuous flow microreactor function singleness, the poor problem of suitability and be used for solving the higher problem that causes the incremental cost of the occupancy in the current microchannel reactor test place of china.
The technical scheme of the utility model as follows: a continuous flow reaction device, comprising: the device comprises a rack, a temperature controller arranged on the rack, a thermostatic bath arranged in the rack and used for containing liquid, a heating device arranged in the thermostatic bath and electrically connected with the temperature controller and used for heating the liquid, at least two feeding ports arranged on the rack, a mixer connected with the feeding ports through a first pipeline, a first micro-channel reactor and a second micro-channel reactor which are respectively connected with the mixer through a first three-way valve, and a second pipeline connected with the first micro-channel reactor and the second micro-channel reactor through a second three-way valve and used for outputting reaction products;
the mixer, the first microchannel reactor, and the second microchannel reactor are disposed within a thermostatic bath.
Further, the device still includes the condenser, be provided with the cavity in the condenser, be provided with the condensing medium entry and the condensing medium export that switch on with the cavity on the condenser, be provided with first condenser pipe in the cavity, the one end of first condenser pipe is connected with the third pipeline that is used for exporting reaction products, the other end and second pipe connection.
Further, the outside of condenser is provided with the second condenser pipe of being connected with the second pipeline, connect through the third three way valve between second pipeline, first condenser pipe and the second condenser pipe, third pipeline, first condenser pipe, second condenser pipe pass through the fourth three way valve and connect.
Furthermore, the first pipeline, the feeding port and the mixer, the first three-way valve, the mixer, the first microchannel reactor and the second microchannel reactor, the second three-way valve, the first microchannel reactor, the second microchannel reactor and the second pipeline, the third three-way valve, the second pipeline, the first condenser pipe and the second condenser pipe, and the fourth three-way valve, the third pipeline, the first condenser pipe and the second condenser pipe are all connected by a ferrule.
Further, the device also comprises a preheating ring which is arranged between the first pipeline and the mixer and is respectively connected with the first pipeline and the mixer, and the preheating ring is positioned in the thermostatic bath.
Further, a one-way valve is arranged on the first pipeline.
Further, a safety valve is arranged on the first pipeline and is positioned on one side, far away from the feeding port, of the one-way valve.
Further, a first pressure gauge for measuring pressure is arranged on the first pipeline, and the first pressure gauge is located between the one-way valve and the safety valve.
Further, a second pressure gauge for measuring pressure is arranged on the third pipeline.
Further, a back pressure valve used for adjusting pressure is arranged on the second pipeline, and the back pressure valve is located on one side, away from the condenser, of the second pressure gauge.
The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses a first microchannel reactor and second microchannel reactor, according to different reaction channel's volume size, satisfy the developer and experiment the demand to the reaction volume of different reactors at different reactions. And the utility model discloses an inside constant temperature bath that is provided with of frame, and blender, first microchannel reactor and second microchannel reactor all arrange the constant temperature bath in, cooperation heating device and temperature controller can realize that the reactant realizes the heat transfer through the constant temperature bath to reach the reaction temperature and be convenient for fully react, increase continuous flow micro-reaction device's practicality, and can effectively solve the great problem of area occupied in current microchannel reactor test field, effectively reduce the research and development cost.
[ description of the drawings ]
FIG. 1 is a perspective view of a continuous flow reactor according to an embodiment of the present invention.
FIG. 2 is a schematic view of a continuous flow reactor apparatus with a frame removed according to an embodiment of the present invention.
FIG. 3 is a schematic view of a continuous flow reactor apparatus with a cover plate removed from a frame according to an embodiment of the present invention.
FIG. 4 is a flow diagram of a continuous flow reactor according to an embodiment of the present invention.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
FIGS. 1-4 are schematic diagrams of a continuous flow reactor according to an embodiment of the present invention.
The continuous flow reaction device comprises a frame 10, and a temperature controller 30, a thermostatic bath 13, a heating device (not shown), a mixer 40, a first microchannel reactor 50, a second microchannel reactor 60, a second pipeline 61 and at least more than two feed inlets 20 which are arranged on the frame 10. The temperature controller 30 and the material inlet 20 are located on the surface of the rack 10, the thermostatic bath 13 is located in the rack 10 and used for containing liquid, the heating device is arranged in the thermostatic bath 13 and electrically connected with the temperature controller 30 and used for heating the liquid, the mixer 40 is connected with the material inlet 20 through a first pipeline 24, the first microchannel reactor 50 and the second microchannel reactor 60 are connected with the mixer 40 through a first three-way valve 51, and the first microchannel reactor 50 and the second microchannel reactor 60 are connected with a second pipeline 61 through a second three-way valve 52. Wherein the mixer 40, the first microchannel reactor 50, and the second microchannel reactor 60 are disposed within the thermostatic bath 13.
The utility model discloses a first three way valve 51 is connected first microchannel reactor 50, second microchannel reactor 60 and blender 40 together, adopts second three way valve 52 to connect first microchannel reactor 50, second microchannel reactor 60 and second pipeline 61 together. Therefore, through the first three-way valve 51 and the second three-way valve 52, a developer can select to use the first microchannel reactor 50 or the second microchannel reactor 60 according to experimental requirements, and when the first microchannel reactor 50 and the second microchannel reactor 60 with different reaction channel sizes are configured, the requirements of the developer on the reaction volumes of different reactors in different reaction experiments can be met.
Specifically, in the present embodiment, the heating device may be a heating coil, the sizes of the reaction channels in the first microchannel reactor 50 and the second microchannel reactor 60 are different, preferably, the volumes of the reaction channels in the first microchannel reactor 50 and the second microchannel reactor 60 are 6.5mL and 13mL, respectively, and the liquid in the thermostatic bath 13 is preferably oil, which has a wide range of temperature, but is not limited thereto, and water, etc. may also be used.
Pan feeding mouth 20 has two, and sets up side by side, uses with the cooperation of gas pump behind the liquid phase pump, realizes leading-in the reactant from pan feeding mouth 20 the utility model discloses continuous flow reaction unit.
When different reactants enter from the material inlet 20 and enter the mixer 40 through the first pipeline 24 to be mixed to form a mixture, the mixture enters the first microchannel reactor 50 or the second microchannel reactor 60 to react, and reaction products generated in the reaction process are collected through the second pipeline 61, so that the chemical reaction research is realized. Wherein, the utility model discloses an inside constant temperature bath 13 that is provided with of frame 10, and blender 40, first microchannel reactor 50 and second microchannel reactor 60 all arrange constant temperature bath 13 in, cooperation heating device and temperature controller 30 work as the utility model discloses when continuous flow reaction unit starts to use, open temperature controller 30 control heating device and give the liquid heating in the constant temperature bath 13 to the reaction temperature of reactant, from this, blender 40, first microchannel reactor 50 and second microchannel reactor 60 all are heated to the required temperature of reaction. Thus, when the reactants are mixed after passing through the mixer 40 and preheated in the mixer 40, and enter the first microchannel reactor 50 or the second microchannel reactor 60, the mixture is fully reacted when the reaction temperature is reached. From this, the reactant realizes the heat transfer through thermostatic bath 13 to reach reaction temperature and be convenient for fully react, convenient to use, and need not to dispose heat exchanger etc. effectively reduce the research and development cost, increase continuous flow micro-reaction device's practicality, thereby can effectively solve current microchannel reactor and need cooperate the heat exchanger to use the great problem of area occupied that causes experimental place, and then can effectively reduce the research and development cost.
Specifically, the first pipeline 24 is provided with a check valve 21, a safety valve 23 and a first pressure gauge 22, the safety valve 23 is positioned on one side of the check valve 21 away from the feed inlet 20, the first pressure gauge 22 is positioned between the check valve 21 and the safety valve 23, the third pipeline 73 is provided with a second pressure gauge 74 and a back pressure valve 75, and the back pressure valve 75 is positioned on one side of the second pressure gauge 74 away from the condenser. The check valve 21 prevents the reactant introduced from the inlet 20 from flowing backwards, the first pressure gauge 22 and the second pressure gauge 74 are used for detecting pressure, the pressure in the continuous flow reaction device is adjusted through the backpressure valve 75 and the safety valve 23, and a developer can adjust the speed of the fluid in the continuous flow reaction device by himself.
The first microchannel reactor 50 or the second microchannel reactor 60 is preferably made of 316L stainless steel or stainless steel, has good heat resistance and wide working temperature range, has good corrosion resistance, does not rust, has high heating and cooling speed, and enables research personnel to operate homogeneous-phase and heterogeneous-phase organic chemical synthesis reaction experiments with the temperature of-30 to 200 ℃ and the pressure of 0 to 100bar, but is not limited to liquid-liquid, liquid-solid, gas-liquid-solid and other reaction types, thereby being convenient for exploration. The material of the first microchannel reactor 50 or the second microchannel reactor 60 may also be a special alloy, such as hastelloy, titanium alloy, etc., and is not limited herein.
A cover plate 11 is arranged on the top surface of the frame 10 corresponding to the thermostatic bath 13, a liquid filling port 12 for filling the thermostatic bath 13 with liquid is arranged on the cover plate 11, a detachable cover body (not shown) is arranged on the liquid filling port 12, and the cover body is connected with the liquid filling port 12 in a threaded manner and the like, so that the liquid can be conveniently filled into the thermostatic bath 13.
In one embodiment, the continuous flow reaction apparatus further comprises a condenser 70. A cavity (not shown) is arranged in the condenser 70, a condensing medium inlet 76 and a condensing medium outlet 77 which are communicated with the cavity are arranged on the condenser 70, a first condensing pipe (not shown) is arranged in the cavity, one end of the first condensing pipe is connected with a third pipeline 73 for outputting a reaction product, and the other end of the first condensing pipe is connected with the second pipeline 61. The condenser 70 is preferably cooled by an oil bath or a water bath, the cooling liquid can enter the cavity by externally connecting a cooling water machine or tap water and the like to the condensing medium inlet 76, and the cooling liquid can be guided out and take away heat in the first condenser pipe through the condensing medium outlet 77, so that the cooling effect is realized. Therefore, when the reaction product is cooled to a safe temperature by the condenser 70 and is led out from the second pipeline 61, the reaction product is convenient for a developer to collect, and the phenomenon that the temperature of the reaction product is too high, the developer cannot collect the reaction product or the developer is hurt is prevented.
In one embodiment, a second condensation pipe 78 connected to the second pipe 61 is further disposed outside the condenser 70, the second pipe 61, the first condensation pipe, and the second condensation pipe 78 are connected by a third three-way valve 71, and the third pipe 73, the first condensation pipe, and the second condensation pipe 78 are connected by a fourth three-way valve 72. Thus, the developer can select whether the first condensation pipe or the second condensation pipe 78 is needed in the reaction experiment through the third three-way valve 71 and the fourth three-way valve 72, that is, the water (oil) bath or air condensation mode is selected, so that the selection of the developer is widened to meet the requirements of the developer.
In one embodiment, the connection between the pipes of the continuous flow reactor of the present invention is a ferrule connection. Namely: the first pipeline 24 is connected with the material inlet 20 and the mixer 40, the first three-way valve 51 is connected with the mixer 40, the first microchannel reactor 50 and the second microchannel reactor 60, the second three-way valve 52 is connected with the first microchannel reactor 50, the second microchannel reactor 60 and the second pipeline 61, the third three-way valve 71 is connected with the second pipeline 61, the first condensation pipe and the second condensation pipe 78, and the fourth three-way valve 72 is connected with the third pipeline 73, the first condensation pipe and the second condensation pipe 78 through a clamping sleeve. With the ferrule type connection, when parts such as the mixer 40, the first microchannel reactor 50, the second microchannel reactor 60, etc. are plugged or otherwise problematic, replacement of these parts is facilitated, and connection between the various parts is facilitated.
In one embodiment, the continuous flow reactor further comprises a preheating ring 53 disposed between the first pipe 24 and the mixer 40 and connected to the first pipe 24 and the mixer 40, respectively, wherein the preheating ring 53 is disposed in the thermostatic bath 13 for preheating the reactant so that the mixture can reach the reaction temperature in the first microchannel reactor 50 or the second microchannel reactor 60. Specifically, the preheating coil 53 is a pipe type and is disposed in a spiral shape.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (10)
1. A continuous flow reaction device, comprising: the device comprises a rack, a temperature controller arranged on the rack, a thermostatic bath arranged in the rack and used for containing liquid, a heating device arranged in the thermostatic bath and electrically connected with the temperature controller and used for heating the liquid, at least two feeding ports arranged on the rack, a mixer connected with the feeding ports through a first pipeline, a first micro-channel reactor and a second micro-channel reactor which are respectively connected with the mixer through a first three-way valve, and a second pipeline connected with the first micro-channel reactor and the second micro-channel reactor through a second three-way valve and used for outputting reaction products;
the mixer, the first microchannel reactor, and the second microchannel reactor are disposed within a thermostatic bath.
2. The continuous-flow reaction device of claim 1, wherein: the device still includes the condenser, be provided with the cavity in the condenser, be provided with the condensing medium entry and the condensing medium export that switch on with the cavity on the condenser, be provided with first condenser pipe in the cavity, the one end of first condenser pipe is connected with third pipeline, the other end and the second pipe connection that are used for exporting reaction product.
3. The continuous-flow reaction device of claim 2, wherein: the outside of condenser is provided with the second condenser pipe of being connected with the second pipeline, connect through third three-way valve between second pipeline, first condenser pipe and the second condenser pipe, third pipeline, first condenser pipe, second condenser pipe pass through fourth three-way valve and connect.
4. The continuous-flow reaction device of claim 3, wherein: the device comprises a shell, a first pipeline, a feeding port, a mixer, a first three-way valve, a mixer, a first micro-channel reactor and a second micro-channel reactor, a second three-way valve, a first micro-channel reactor, a second micro-channel reactor and a second pipeline, a third three-way valve, a second pipeline, a first condensation pipe and a second condensation pipe, and a fourth three-way valve, a third pipeline, a first condensation pipe and a second condensation pipe.
5. The continuous-flow reaction device of claim 4, wherein: the device also comprises a preheating ring which is arranged between the first pipeline and the mixer and is respectively connected with the first pipeline and the mixer, and the preheating ring is positioned in the thermostatic bath.
6. The continuous-flow reaction device of claim 5, wherein: the first pipeline is provided with a one-way valve.
7. The continuous-flow reaction device of claim 6, wherein: the first pipeline is provided with a safety valve, and the safety valve is positioned on one side of the one-way valve, which is far away from the feeding port.
8. The continuous-flow reaction device of claim 7, wherein: the first pipeline is provided with a first pressure gauge for measuring pressure, and the first pressure gauge is located between the one-way valve and the safety valve.
9. The continuous-flow reaction device of claim 8, wherein: and a second pressure gauge for measuring pressure is arranged on the third pipeline.
10. The continuous-flow reaction device of claim 9, wherein: and a back pressure valve used for adjusting pressure is arranged on the second pipeline, and the back pressure valve is positioned on one side of the second pressure gauge, which is far away from the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021804329.0U CN213222110U (en) | 2020-08-25 | 2020-08-25 | Continuous flow reaction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021804329.0U CN213222110U (en) | 2020-08-25 | 2020-08-25 | Continuous flow reaction device |
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| CN213222110U true CN213222110U (en) | 2021-05-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116550255A (en) * | 2023-07-05 | 2023-08-08 | 广东省大湾区华南理工大学聚集诱导发光高等研究院 | Nanoparticle preparation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116550255A (en) * | 2023-07-05 | 2023-08-08 | 广东省大湾区华南理工大学聚集诱导发光高等研究院 | Nanoparticle preparation system |
| CN116550255B (en) * | 2023-07-05 | 2023-10-20 | 广东省大湾区华南理工大学聚集诱导发光高等研究院 | AIE fluorescence nanoparticle preparation system |
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