Multi-stage multifunctional micro-channel reactor

Abstract

The utility model discloses a multistage multifunctional micro-channel reactor, which belongs to the technical field of micro-channel reactors and comprises a box body and a cover plate, a cavity is formed between the box body and the cover plate, a plurality of reaction plates are arranged in the cavity, each reaction plate is provided with a micro-channel reaction tube, and the micro-channel reaction tubes are arranged in the cavity. The reaction plates and the corresponding micro-channel reaction tubes form a plurality of independent reaction units, temperature control units and light source emitting units are respectively arranged at the positions of the reaction units, a control panel is arranged on the outer surface of the side wall of the box body, and the control panel is used for controlling the reaction process. According to the multi-stage multifunctional micro-channel reactor disclosed by the utility model, each reaction unit can be independently arranged, the requirements of photochemical reaction can be met, the operation accuracy is improved, and the application range of the micro-channel reactor is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of microchannel reactors, in particular to a multi-stage and multi-functional microchannel reactor. Background Art

[0002] A microchannel reactor refers to a micro reactor manufactured by using precision machining technology with characteristic dimensions between 10 and 300 micrometers (or 1000 micrometers). The "micro" in the microchannel reactor means that the channels for process fluids are at the micrometer level, rather than referring to the small external dimension of the micro reaction device or the small output of the product. There can be millions or even tens of millions of microchannels in the microchannel reactor, thus achieving a very high output.

[0003] In the existing microchannel reactors, a glass protective cover is provided outside, which makes the light inside the reactor weaker. However, some common photochemical reactions need to be irradiated by light to accelerate the reaction, resulting in limited reactions inside the microchannel reactor. At the same time, the existing microchannel reactors cannot achieve multi-level reactions, resulting in a single function of the microchannel reactor and a narrow range of applications.

[0004] Therefore, there is an urgent need to provide a microchannel reactor that can perform multi-level reactions and has a wide range of functions. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a multi-stage and multi-functional microchannel reactor, which can independently set each reaction unit, meet the requirements of photochemical reactions, improve the accuracy of operation, and expand the scope of use of the microchannel reactor.

[0006] To achieve the above purpose, the utility model provides a multi-stage and multi-functional microchannel reactor, including a box body and a cover plate. A cavity is formed between the box body and the cover plate. A plurality of reaction plates are arranged in the cavity. Each reaction plate is provided with a microchannel reaction tube. The plurality of reaction plates and the corresponding microchannel reaction tubes form a plurality of independent reaction units. Temperature control units and light source emission units are respectively arranged at the positions of the plurality of reaction units. A control panel is arranged on the outer surface of the side wall of the box body, and the control panel is used to control the reaction process.

[0007] Preferably, a light source emission unit is arranged in parallel on one side of each reaction plate and the inner part of one side wall of the box body, and the light source emission unit is a high-temperature resistant light-emitting plate.

[0008] Preferably, a groove is arranged on the other side of each reaction plate, and the microchannel reaction tube is embedded in the groove, and the microchannel reaction tubes are arranged opposite to the corresponding light source emission units.

[0009] Preferably, each of the microchannel reaction tubes is provided with a feed end and a discharge end. On one side of the box body near the feed end and the discharge end, there is a first channel. The first channel is respectively connected to the discharge end and the feed end of two adjacent microchannel reaction tubes through a T-shaped connection valve. The first connection port of the T-shaped connection valve is connected to the discharge end, the second connection port of the T-shaped connection valve is connected to the feed end, and the third connection port of the T-shaped connection valve is connected to the first channel.

[0010] Preferably, a first feed port is provided outside the side wall of the box body where the light source emitting unit is located. The first feed port penetrates the corresponding side wall of the box body. One end of the first feed port is connected to the corresponding microchannel reaction tube, and the other end of the first feed port is connected to a three-way feed pipe, and the three-way feed pipe is arranged outside the box body.

[0011] Preferably, the temperature control unit is arranged on the side wall of the reaction plate far from the first channel. The temperature control unit includes a first temperature control pipe, a second temperature control pipe and a water tank. One end of the first temperature control pipe and one end of the second temperature control pipe are respectively connected to the corresponding side wall of the reaction plate, and the first temperature control pipe is arranged above the second temperature control pipe. The other end of the first temperature control pipe and the other end of the second temperature control pipe are respectively connected to the water tank, and the water tank is arranged on the outer wall of the box body far from the first feed port.

[0012] Preferably, a number of water inlets are provided on the outer wall of the first temperature control pipe, and a number of water outlets are provided on the outer wall of the second temperature control pipe. The number of water inlets are respectively connected to one end of the corresponding internal diversion pipe of the reaction plate, and the number of water outlets are respectively connected to the other end of the corresponding internal diversion pipe of the reaction plate.

[0013] Preferably, a communication valve is provided at the connection between the number of water inlets and one end of the diversion pipe, and at the connection between the number of water outlets and the other end of the diversion pipe.

[0014] Preferably, a fixing plate is arranged at the bottom of each reaction plate, and the fixing plate is fixedly connected to the upper surface of the bottom plate of the box body.

[0015] Preferably, a walking unit is further arranged at the bottom of the box body. The walking unit includes a connecting plate and walking wheels. The connecting plate is fixedly connected to the outer surface of the bottom of the box body, and the walking wheels are rotatably connected to the bottom of the connecting plate.

[0016] Therefore, compared with the prior art, the present utility model adopting the above-mentioned multi-stage multi-functional microchannel reactor has the following beneficial effects:

[0017] (1) The utility model can set each reaction unit independently and is convenient to disassemble. When a certain reaction plate is damaged, the required reaction can be carried out across levels, thereby improving the operation accuracy and expanding the application range of the microchannel reactor.

[0018] (2) By setting multiple groups of light source emission units, each group of light source emission units can provide incident light to the corresponding microchannel reaction tube, thereby meeting the requirements of photochemical reactions and solving the problem of single function of microchannel reactors in the prior art.

[0019] (3) The utility model also sets a temperature control unit to control the temperature of the reaction process and avoid the problem of insufficient reaction caused by temperature influence. At the same time, a walking unit is also set to realize the mobility of the microchannel reactor, making the microchannel reactor more convenient.

[0020] The technical solution of the utility model will be further described in detail below with reference to the drawings and embodiments. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of an embodiment of a multi-stage and multi-functional microchannel reactor of the utility model;

[0022] Figure 2 is an internal structure diagram of an embodiment of a multi-stage and multi-functional microchannel reactor of the utility model;

[0023] Figure 3 is a sectional view of an embodiment of a multi-stage and multi-functional microchannel reactor of the utility model.

[0024] Reference Numerals

[0025] 1, box body; 2, cover plate; 3, reaction plate; 4, microchannel reaction tube; 41, feed end; 42, discharge end; 5, light source emission unit; 6, temperature control unit; 61, first temperature control tube; 62, second temperature control tube; 63, water tank; 7, walking unit; 71, connecting plate; 72, walking wheel; 8, first channel; 9, T-shaped connection valve; 10, first feed port; 11, three-way feed pipe; 12, connecting valve; 13, fixing plate; 14, control panel. Detailed Embodiments

[0026] The technical solution of the utility model will be further described below with reference to the drawings and embodiments.

[0027] Unless otherwise defined, the technical terms or scientific terms used in this utility model shall have the ordinary meanings understood by those with ordinary skills in the field to which this utility model belongs. The "first", "second" and similar words used in this utility model do not denote any order, quantity or importance, but are only used to distinguish different components. Words such as "comprising" or "including" mean that the elements or objects appearing before this word cover the elements or objects listed after this word and their equivalents, without excluding other elements or objects. Words such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Upper", "lower", "left", "right", etc. are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0028] Embodiment 1

[0029] As Figures 1 to 3 shown, this embodiment provides a multi-stage and multi-functional microchannel reactor, which includes a box body 1 and a cover plate 2. A cavity is formed between the box body 1 and the cover plate 2. A plurality of reaction plates 3 are arranged in the cavity, and the number of reaction plates 3 can be increased or decreased according to requirements. A fixing plate 13 is provided on the lower surface of each reaction plate 3, and the fixing plate 13 is fixedly connected to the lower surface of the inner wall of the box body 1. The fixing plate 13 firmly fixes each reaction plate 3 inside the box body 1. A light source emitting unit 5 is arranged in parallel on one side of each reaction plate 3 and the inner side of one side wall of the box body 1. The light source emitting unit 5 is a high-temperature resistant light-emitting plate. The high-temperature resistant light-emitting plate emits light for the light-requiring reactions on the reaction plate 3. A control panel 14 is arranged on the outer surface of the side wall of the box body 1, and the control panel 14 is used to control the reaction process.

[0030] Each reaction plate 3 is provided with a microchannel reaction tube 4. On the side of each reaction plate 3 away from the high-temperature resistant light-emitting plate, a groove is engraved. The groove is engraved in a zigzag pattern on one side of the hard plate, and the microchannel reaction tube 4 is zigzag-fitted inside the groove on one side of the reaction plate 3. Each microchannel reaction tube 4 is provided with a feed end 41 and a discharge end 42. On one side of the box body 1 close to the feed end 41 and the discharge end 42, a first channel 8 is provided. The first channel 8 is respectively connected to the discharge end 42 and the feed end 41 of two adjacent microchannel reaction tubes 4 through a T-shaped connection valve 9; the first connection port of the T-shaped connection valve 9 is connected to the discharge end 42, the second connection port of the T-shaped connection valve 9 is connected to the feed end 41, and the third connection port of the T-shaped connection valve 9 is connected to the first channel 8. The T-shaped connection valve 9 can control the connection between the adjacent discharge port and the feed port or the connection between the discharge port and the first channel 8. The setting of the T-shaped connection valve 9 can ensure that each reaction plate 3 exists relatively independently. When the reaction raw materials enter the reaction plate 3, the connection direction of the T-shaped connection valve 9 can be controlled through the control panel 14, so as to control the reaction raw materials to pass through the required number of reaction plates 3 or enter the corresponding reaction plates 3 at intervals. The reacted substances can be obtained through the discharge port of the first channel 8. A first feed port 10 is arranged outside the side wall of the box body 1 where the light source emitting unit 5 is provided. The first feed port 10 penetrates through the corresponding side wall of the box body 1. One end of the first feed port 10 is connected to the corresponding microchannel reaction tube 4, and the other end of the first feed port 10 is connected to a three-way feed pipe 11. The three-way feed pipe 11 is arranged outside the box body 1. A water pump is provided at the connection between the three-way feed pipe 11 and the first feed port 10. When two different reaction raw materials enter the first feed port 10 through the first inlet and the second inlet of the three-way feed pipe 11, they can enter the microchannel reaction tube 4 after being accelerated by the water pump.

[0031] The temperature control unit 6 is arranged on the side wall of the reaction plate 3 far away from the first channel 8. The temperature control unit 6 includes a first temperature control pipe 61, a second temperature control pipe 62 and a water tank 63. One end of the first temperature control pipe 61 and one end of the second temperature control pipe 62 are respectively and communicatively connected to the corresponding side wall of the reaction plate 3, and the first temperature control pipe 61 is arranged above the second temperature control pipe 62. The other end of the first temperature control pipe 61 and the other end of the second temperature control pipe 62 are respectively and communicatively connected to the water tank 63, and the water tank 63 is arranged on the outer wall of the box body 1 far away from the first feed inlet 10. A plurality of groups of water inlets are formed on the outer wall of the first temperature control pipe 61, and a plurality of groups of water outlets are formed on the outer wall of the second temperature control pipe 62. The plurality of groups of water inlets are respectively and communicatively connected to one end of the internal diversion pipe of the corresponding reaction plate 3, and the plurality of groups of water outlets are respectively and communicatively connected to the other end of the internal diversion pipe of the corresponding reaction plate 3. A communication valve 12 is provided at the connection between the plurality of groups of water inlets and one end of the diversion pipe and at the connection between the plurality of groups of water outlets and the other end of the diversion pipe. The opening or closing of the communication valve 12 can be controlled through the control panel 14, thereby accurately controlling the temperature of each reaction plate 3.

[0032] A traveling unit 7 is further arranged at the bottom of the box body 1. The traveling unit 7 includes a connecting plate 71 and traveling wheels 72. The connecting plate 71 is fixedly connected to the outer surface of the bottom of the box body 1, and the traveling wheels 72 are rotatably connected to the bottom of the connecting plate 71, so as to realize the mobility of the microchannel reactor and make it more convenient.

[0033] Working principle: When the reaction raw materials enter the microchannel reaction tube 4 inside the box body 1 through the three-way feed pipe 11, the light source emission unit 5 and the temperature control unit 6 on the reaction plate 3 can help the reaction raw materials to fully react in the microchannel reaction tube 4. The T-shaped connection valve 9 can control the reaction raw materials to pass through the reaction plates 3 with set quantities or at set positions. The temperature control unit 6 can control the temperature setting of different reaction plates 3 by setting the communication valve 12. The substances after full reaction will be discharged from the outlet of the first channel 8.

[0034] Therefore, by adopting the above-mentioned multi-stage multifunctional microchannel reactor, each reaction unit can be independently arranged, and the requirements of photochemical reactions can be met, the operation accuracy can be improved, and the application range of the microchannel reactor can be increased.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that they can still modify or equivalently replace the technical solutions of the present invention, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A multi-stage and multi-functional microchannel reactor, characterized in that: It includes a box body and a cover plate. A cavity is formed between the box body and the cover plate. A number of reaction plates are provided in the cavity. Each reaction plate is provided with a microchannel reaction tube. The number of reaction plates and the corresponding microchannel reaction tubes form a number of independent reaction units. A temperature control unit and a light source emission unit are respectively arranged at the positions of the number of reaction units. A control panel is arranged on the outer surface of the side wall of the box body. The control panel is used to control the reaction process.

2. The multi-stage and multi-functional microchannel reactor according to claim 1, wherein: On one side of each reaction plate and inside one side wall of the box body, the light source emission unit is arranged in parallel. The light source emission unit is a high-temperature resistant light-emitting plate.

3. The multi-stage and multi-functional microchannel reactor according to claim 2, characterized in that: On the other side of each reaction plate, a groove is provided. The microchannel reaction tube is fitted inside the groove. The microchannel reaction tubes are respectively arranged facing the corresponding light source emission units.

4. A multi-stage multi-functional microchannel reactor according to claim 3, characterized in that: Each microchannel reaction tube is provided with a feed end and a discharge end. On one side of the box body near the feed end and the discharge end, a first channel is provided. The first channel is respectively connected to the discharge end and the feed end of two adjacent microchannel reaction tubes through a T-shaped connection valve. The first connection port of the T-shaped connection valve is connected to the discharge end. The second connection port of the T-shaped connection valve is connected to the feed end. The third connection port of the T-shaped connection valve is connected to the first channel.

5. The multi-stage and multi-functional microchannel reactor according to claim 4, characterized in that: On the outer side of the box body side wall provided with the light source emission unit, a first feed inlet is provided. The first feed inlet penetrates the corresponding box body side wall. One end of the first feed inlet is connected to the corresponding microchannel reaction tube. The other end of the first feed inlet is connected to a three-way feed pipe. The three-way feed pipe is arranged outside the box body.

6. The multi-stage and multi-functional microchannel reactor according to claim 5, wherein: The temperature control unit is arranged on the side wall of the reaction plate far from the first channel. The temperature control unit includes a first temperature control pipe, a second temperature control pipe and a water tank. One end of the first temperature control pipe and one end of the second temperature control pipe are respectively connected to the side wall of the corresponding reaction plate. And the first temperature control pipe is arranged above the second temperature control pipe. The other end of the first temperature control pipe and the other end of the second temperature control pipe are respectively connected to the water tank. And the water tank is arranged on the outer wall of the box body far from the first feed inlet.

7. A multi-stage multi-functional microchannel reactor according to claim 6, characterized in that: A number of water inlets are opened on the outer wall of the first temperature control pipe. A number of water outlets are opened on the outer wall of the second temperature control pipe. The number of water inlets are respectively connected to one end of a diversion pipe inside the corresponding reaction plate. The number of water outlets are respectively connected to the other end of the diversion pipe inside the corresponding reaction plate.

8. A multi-stage multi-functional microchannel reactor according to claim 7, characterized in that: A communication valve is provided at the connection between the number of water inlets and one end of the diversion pipe and at the connection between the number of water outlets and the other end of the diversion pipe.

9. The multi-stage and multi-functional microchannel reactor according to claim 1, wherein: A fixing plate is arranged at the bottom of each reaction plate. The fixing plate is fixedly connected to the upper surface of the bottom plate of the box body.

10. A multi-stage and multi-functional microchannel reactor according to claim 1, characterized in that: A walking unit is further arranged at the bottom of the box body. The walking unit includes a connecting plate and walking wheels. The connecting plate is fixedly connected to the outer surface of the bottom of the box body. The walking wheels are rotatably connected to the bottom of the connecting plate.

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