CN114011347A

CN114011347A - Net type micro-channel reactor for preparing nano micro-particles by liquid-liquid reaction

Info

Publication number: CN114011347A
Application number: CN202111280794.8A
Authority: CN
Inventors: 陈勇; 唐冰琳; 倪枨; 王东光; 陶亨聪; 张仁坤
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-02-08
Anticipated expiration: 2041-11-01
Also published as: CN114011347B

Abstract

The invention relates to a net-type microchannel reactor, in particular to a net-type microchannel reactor for preparing nano micro-particles by liquid-liquid reaction, which comprises a connecting frame, a liquid guide disc, a liquid discharge disc, a net-type channel reaction part and the like; a liquid guide disc is fixedly arranged above the connecting frame, a liquid discharge disc is fixedly arranged below the connecting frame, and a net type channel reaction component is communicated between the liquid guide disc and the liquid discharge disc. Carry out the heat exchange through coolant liquid and T type pipe to take away the heat on the T type pipe, realize radiating purpose, after that the coolant liquid carries out the heat exchange with first rigging board and second rigging board, the coolant liquid takes away the heat on first rigging board and the second rigging board, dispels the heat to first rigging board and second rigging board, reaches rapidly refrigerated effect, avoids microchannel reactor overload to operate.

Description

Net type micro-channel reactor for preparing nano micro-particles by liquid-liquid reaction

Technical Field

The invention relates to a net-type microchannel reactor, in particular to a net-type microchannel reactor for preparing nano micro-particles by liquid-liquid reaction.

Background

With the continuous perfect and innovative production process in China, commercial grade nano materials are continuously produced and developed, and as the nano particles are ultrafine particles with the particle size of nano magnitude, the nano particles have special properties such as surface effect, small size effect, quantum size effect, macroscopic quantum tunneling effect and the like, the nano materials and devices prepared by the nano materials are widely applied to various fields of national economy.

When the traditional reaction equipment for preparing nano micro particles is used, the reaction rate is too high after reaction liquids are mixed with each other, heat can be emitted during the reaction between the reaction liquids, meanwhile, the heat exchange efficiency of the traditional reaction equipment is lower, the reaction equipment is easy to thermally expand excessively under a high-temperature environment, and irreversible damage is caused.

Disclosure of Invention

Therefore, there is a need to design a mesh microchannel reactor for preparing nanoparticles by liquid-liquid reaction, which can uniformly disperse the reaction solution, quickly take away heat to avoid the overload operation of the microchannel reactor, and adjust the heat dissipation efficiency according to the amount of the reaction solution, in view of the disadvantages of the prior art.

In view of the above, the present invention provides a mesh microchannel reactor for preparing nanoparticles by liquid-liquid reaction, which comprises a connection frame, a liquid guide plate, a liquid discharge plate, a mesh channel reaction part, a solution primary mixing part and a heat exchange part: the liquid guide plate is fixedly arranged above the connecting frame and used for conveying reactants; the liquid discharge disc is fixedly arranged below the connecting frame and is used for discharging the mixed liquid; the net-type channel reaction component is communicated between the liquid guide disk and the liquid discharge disk and is used for fully mixing and reacting the first reaction liquid and the second reaction liquid; the top surface of the liquid guide disc is fixedly provided with a solution primary mixing component, and the solution primary mixing component is used for carrying out primary mixing reaction on the reaction liquid I and the reaction liquid II; and the heat exchange component is arranged on the solution preliminary mixing component and is used for carrying out heat exchange type heat dissipation on the net type channel reaction component and the solution preliminary mixing component.

In a preferred embodiment of the present invention, the mesh channel reaction component includes a first attachment plate, a second attachment plate, a bolt and a nut, a plurality of pairs of the first attachment plate and the second attachment plate are communicated between the liquid guide plate and the liquid discharge plate and are in contact with the first attachment plate and the second attachment plate, a pair of bolts are fixedly connected to both sides of the second attachment plate, the bolts pass through the first attachment plate, the nuts are connected to the bolts in a threaded fit manner, the nuts are in contact with the first attachment plate, a mesh groove is formed in the first attachment plate, and a mesh groove is also formed in the second attachment plate.

In a preferred embodiment of the invention, the solution primary mixing part comprises a T-shaped pipe, a liquid inlet frame, a supporting seat, a double-shaft motor, a rotating shaft and a circular groove cylinder, wherein the T-shaped pipe is fixedly connected to the top surface of the liquid guide disc, the two ends of the T-shaped pipe are communicated with the liquid inlet frame, the left side of the liquid inlet frame on the left side is fixedly connected with the supporting seat, the double-shaft motor is fixedly installed on the supporting seat, the rotating shaft is welded at the right end of an output shaft of the double-shaft motor and rotatably connected with the liquid inlet frame on the left side, the two circular groove cylinders are fixedly connected to the rotating shaft, and the circular groove cylinders are positioned in the T-shaped pipe.

In a preferred embodiment of the present invention, the flow holes are uniformly distributed in the cylindrical tank, and the first reaction solution and the second reaction solution are uniformly dispersed in the flow holes, so as to ensure the uniformity of the first reaction solution and the second reaction solution to the maximum extent.

In a preferred embodiment of the invention, the heat exchange component comprises a T-shaped heat exchange cover, a water pump, a water inlet pipe, a curved pipe, a heat exchange plate, a drainage cover, a liquid collection frame and a composite curved liquid exchange pipe, the T-shaped heat exchange cover is sleeved on the T-shaped pipe, the water pump is fixedly installed on the supporting seat, the left end of an output shaft of the double-shaft motor is connected with an input shaft of the water pump, the water inlet pipe is fixedly connected to the front side of the water pump, the curved pipe is fixedly connected to the rear side of the water pump, one end of the curved pipe is communicated with the T-shaped heat exchange cover, the heat exchange plate is arranged between two adjacent groups of first attaching plates and second attaching plates, the composite curved liquid exchange pipe is arranged on the heat exchange plate, one end of the right side of the composite curved liquid exchange pipe is fixedly connected to the drainage cover, one end of the left side of the composite curved liquid exchange pipe is communicated with the liquid collection frame, and the liquid collection frame is communicated with the bottom of the T-shaped heat exchange cover.

In a preferred embodiment of the present invention, five curved tubes are disposed in the middle of the composite curved liquid-changing tube, so as to increase the contact area between the composite curved liquid-changing tube and the heat exchange plate and improve the heat exchange efficiency between the heat exchange plate and the first and second engaging plates.

In a preferred embodiment of the invention, the device further comprises a reaction rate matching part, the bottom of the liquid inlet frame on the right side is provided with the reaction rate matching part, the reaction rate matching part comprises a sealing plate, an air bag seat, insulating liquid, a resistance sheet, a power supply sheet and a conducting strip, the bottom of the liquid inlet frame on the right side is connected with the sealing plate in a manner of being connected through a fastener, the top of the sealing plate is provided with the air bag seat, the air bag seat penetrates through the liquid inlet frame on the right side, a U-shaped groove is formed in the sealing plate and communicated with the air bag seat, the U-shaped groove is filled with the insulating liquid, the resistance sheet is arranged in the U-shaped groove, the power supply sheet is fixedly connected in the U-shaped groove, the conducting strip is connected with the conducting strip in a sliding manner together on the resistance sheet and the power supply sheet, and the conducting strip is contacted with the insulating liquid.

In a preferred embodiment of the invention, the insulating liquid is ethanol liquid, the U-shaped groove is filled with the ethanol liquid, and the conducting strip is contacted with the ethanol liquid.

In a preferred embodiment of the invention, the device further comprises a secondary stirring cylinder, and the secondary stirring cylinder is arranged below the inside of the T-shaped pipe.

In a preferred embodiment of the present invention, the present invention further comprises a stirring impeller, and the stirring impeller is fixed to the rotating shaft.

Compared with the prior art, the invention has the following advantages:

1. the rotation of the round groove barrel can vibrate the first reaction liquid and the second reaction liquid, solutes in the first reaction liquid and the second reaction liquid can be uniformly dispersed, and the phenomenon that the first reaction liquid and the second reaction liquid have too much lower-layer solutes and less upper-layer solutes due to long-time storage is avoided, so that the first reaction liquid and the second reaction liquid are good in uniformity.

2. Through the mesh-shaped groove, the first reaction liquid and the second reaction liquid can be fully mixed and reacted, the reaction rate of the first reaction liquid and the second reaction liquid is improved, and the insufficient reaction of part of the reaction liquid is avoided.

3. Carry out the heat exchange through coolant liquid and T type pipe to take away the heat on the T type pipe, realize radiating purpose, after that the coolant liquid carries out the heat exchange with first rigging board and second rigging board, the coolant liquid takes away the heat on first rigging board and the second rigging board, dispels the heat to first rigging board and second rigging board, reaches rapidly refrigerated effect, avoids microchannel reactor overload to operate.

4. According to the addition of the second reaction liquid, the liquid level difference of the ethanol liquid on the two sides in the U-shaped groove can be adjusted, the position of the conducting strip is further adjusted, the resistance of the resistance card is changed, the running power of the double-shaft motor is changed, so that the cooling liquid flows rapidly, and the purpose of adjusting the heat dissipation efficiency is achieved.

5. Through the secondary stirring barrel, the mixed liquid in the T-shaped pipe can be fully stirred, solutes in the reaction liquid I and the reaction liquid II can be in mutual contact, nano-particles can be conveniently generated, and the yield of the prepared nano-particles can be improved.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

FIG. 3 is a schematic view of a first partial body structure according to the present invention.

FIG. 4 is a schematic view of a second partial body structure according to the present invention.

Fig. 5 is a partially disassembled perspective view of a mesh channel reaction member of the present invention.

Fig. 6 is a schematic perspective view of a first adhesive plate and a mesh groove according to the present invention.

FIG. 7 is a schematic sectional perspective view of the solution primary mixing part of the present invention.

FIG. 8 is a schematic perspective view of a part of a solution preliminary mixing part according to the present invention.

FIG. 9 is a schematic view of a first partially separated body configuration of a heat exchange member of the present invention.

FIG. 10 is a schematic view of a second partial body configuration of a heat exchange member of the present invention.

Fig. 11 is a perspective view of a third part of the heat exchange component of the present invention.

FIG. 12 is a schematic partial perspective view of a reaction rate matching unit according to the present invention.

FIG. 13 is a schematic sectional perspective view of a reaction rate matching unit according to the present invention.

Wherein the figures include the following reference numerals: 1. the device comprises a connecting frame, 2, a liquid guide disc, 3, a liquid discharge disc, 4, a net type channel reaction part, 41, a first attaching plate, 42, a second attaching plate, 43, bolts, 44, nuts, 45, a net-shaped groove, 5, a solution primary mixing part, 51, a T-shaped pipe, 52, a liquid inlet frame, 53, a supporting seat, 54, a double-shaft motor, 55, a rotating shaft, 56, a circular groove cylinder, 6, a heat exchange part, 61, a T-shaped heat exchange cover, 62, a water pump, 63, a water inlet pipe, 64, a curved pipe, 65, a heat exchange plate, 66, a water discharge cover, 67, a liquid collection frame, 68, a composite curved liquid exchange pipe, 7, a reaction rate matching part, 71, a sealing plate, 72, an air bag seat, 73, a U-shaped groove, 74, ethanol liquid, 75, a resistor sheet, 76, a power supply sheet, 77, a conducting sheet, 8, a secondary stirring cylinder, 9 and a stirring impeller.

Detailed Description

In order to make the technical solution and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

The utility model provides a net formula microchannel reactor for liquid-liquid reaction prepares nanometer microparticle, as shown in fig. 1-13, including link 1, drain pan 2, drain pan 3, net formula passageway reaction unit 4, the preliminary hybrid component 5 of solution and heat transfer unit 6, link 1 top fixed mounting has drain pan 2, drain pan 3 fixed mounting for discharging mixed liquid is in link 1 below, the switch-on has net formula passageway reaction unit 4 between drain pan 2 and the drain pan 3, the preliminary hybrid component 5 of solution is installed to drain pan 2 top surface fixed mounting, the preliminary hybrid component 5 of solution is used for the preliminary hybrid reaction of reaction liquid one and reaction liquid two, heat transfer unit 6 is located on the preliminary hybrid component 5 of solution, heat transfer unit 6 is used for taking away the heat that the reaction produced.

The net-type channel reaction component 4 comprises a first attaching plate 41, a second attaching plate 42, bolts 43 and nuts 44, a plurality of pairs of the first attaching plate 41 and the second attaching plate 42 are communicated between the liquid guide disc 2 and the liquid discharge disc 3 and are in contact with the first attaching plate 41 and the second attaching plate 42, a pair of bolts 43 are fixedly connected to two sides of the second attaching plate 42, the bolts 43 penetrate through the first attaching plate 41, the nuts 44 are connected to the bolts 43 in a threaded fit mode, the nuts 44 are in contact with the first attaching plate 41, the bolts 43 and the nuts 44 are used for fixing the first attaching plate 41 and the second attaching plate 42 which are in the same group, a net-shaped groove 45 is formed in the first attaching plate 41, and a net-shaped groove 45 is also formed in the second attaching plate 42.

The solution primary mixing part 5 comprises a T-shaped pipe 51, a liquid inlet frame 52, a supporting seat 53, a double-shaft motor 54, a rotating shaft 55 and a circular groove cylinder 56, the T-shaped pipe 51 is fixedly connected to the top surface of the liquid guide disc 2, the T-shaped pipe 51 is used for conveying reaction liquid, the two ends of the T-shaped pipe 51 are communicated with the liquid inlet frame 52 used for adding the reaction liquid, the supporting seat 53 is fixedly connected to the left side of the left liquid inlet frame 52, the double-shaft motor 54 used for driving is fixedly mounted on the supporting seat 53, the rotating shaft 55 is welded to the right end of the output shaft of the double-shaft motor 54, the rotating shaft 55 is rotatably connected with the left liquid inlet frame 52, the two circular groove cylinders 56 are fixedly connected to the rotating shaft 55, and the circular groove cylinder 56 is located in the T-shaped pipe 51.

The heat exchange part 6 comprises a T-shaped heat exchange cover 61, a water pump 62, a water inlet pipe 63, a curved pipe 64, a heat exchange plate 65, a water discharge cover 66, a liquid collection frame 67 and a composite curved liquid exchange pipe 68, the T-shaped heat exchange cover 61 is sleeved on a T-shaped pipe 51, the water pump 62 is fixedly installed on a supporting seat 53 and used for pumping cooling liquid, the left end of an output shaft of a double-shaft motor 54 is connected with an input shaft of the water pump 62, the water inlet pipe 63 is fixedly connected to the front side of the water pump 62, the curved pipe 64 used for conveying the cooling liquid is fixedly connected to the rear side of the water pump 62, one end of the curved pipe 64 is communicated with the T-shaped heat exchange cover 61, the heat exchange plate 65 is arranged between two adjacent groups of first attaching plates 41 and second attaching plates 42, the composite curved liquid exchange pipe 68 used for conveying the cooling liquid is arranged on the heat exchange plate 65, one end of the right side of the composite curved liquid exchange pipe 68 is fixedly connected with the water discharge frame 66, one end of the left side of the composite curved liquid exchange pipe 68 is communicated with the liquid collection frame 67, the liquid collecting frame 67 is communicated with the bottom of the T-shaped heat exchange cover 61.

Before the device is used, the same pair of first attaching plate 41 and second attaching plate 42 are fixed by using bolts 43 and nuts 44, so that the same pair of second attaching plate 42 and first attaching plate 41 are tightly attached, the two liquid inlet frames 52 are respectively communicated with the two liquid conveying pipelines, the water inlet pipe 63 is connected with a cooling device, when two reaction liquids need to react, the first reaction liquid and the second reaction liquid are respectively conveyed towards the two liquid inlet frames 52 through the two liquid conveying pipelines, a worker starts the double-shaft motor 54, the output shaft of the double-shaft motor 54 rotates to drive the rotating shaft 55 and the circular groove cylinder 56 to rotate, the first reaction liquid and the second reaction liquid pass through the circular groove cylinder 56 to enter the T-shaped pipe 51, the circular groove cylinder 56 rotates to vibrate the first reaction liquid and the second reaction liquid, solutes in the first reaction liquid and the second reaction liquid are uniformly dispersed, and incomplete reaction caused by uneven dispersion of the solutes due to long-time storage is avoided, and then, the first reaction solution and the second reaction solution react with each other through the T-shaped pipe 51 to generate nano micro particles, incomplete reaction is caused by insufficient contact of solutes of the first reaction solution and the second reaction solution, then the first reaction solution and the second reaction solution flow downwards, the first reaction solution and the second reaction solution enter between the first attaching plate 41 and the second attaching plate 42 through the liquid guide plate 2, the positions of the first reaction solution and the second reaction solution can be adjusted again through the mesh groove 45, and the solutes in the first reaction solution and the second reaction solution contact with each other to generate the nano micro particles, so that the generation rate of the nano micro particles is improved, and waste caused by the fact that part of the reaction solution does not participate in reaction is avoided.

Reaction solution one can produce the heat with reaction solution two hybrid reaction, lead to T type pipe 51, first rigging board 41 and second rigging board 42 to generate heat seriously, can make water pump 62 start when the output shaft of double-shaft motor 54 rotates, coolant liquid in the water pump 62 will be supplied cold equipment extracts to curved type pipe 64 in, the coolant liquid flows to T type heat transfer cover 61 through curved type pipe 64, coolant liquid in the T type heat transfer cover 61 carries out the heat exchange with T type pipe 51, thereby take away the heat on the T type pipe 51, realize radiating purpose. Then the coolant in the T-shaped heat exchange cover 61 flows into the composite curved liquid exchange tube 68 through the liquid collecting frame 67, the coolant in the composite curved liquid exchange tube 68 exchanges heat with the first attaching plate 41 and the second attaching plate 42, the coolant takes away the heat on the first attaching plate 41 and the second attaching plate 42, the first attaching plate 41 and the second attaching plate 42 dissipate heat, and the coolant flows out through the drain cover 66.

Example 2

Based on the embodiment 1, as shown in fig. 12 to 13, the apparatus further includes a reaction rate matching unit 7, the bottom of the liquid inlet frame 52 on the right side is provided with the reaction rate matching unit 7, the reaction rate matching unit 7 is used for adjusting the reaction rate and the heat dissipation efficiency according to the addition of the reaction liquid two, the reaction rate matching unit 7 includes a sealing plate 71, an air bag seat 72, an ethanol liquid 74, a resistor sheet 75, a power supply sheet 76 and a conducting sheet 77, the bottom of the liquid inlet frame 52 on the right side is connected with the sealing plate 71 through a fastening member, the top of the sealing plate 71 is provided with the air bag seat 72, the air bag seat 72 penetrates through the liquid inlet frame 52 on the right side, a U-shaped groove 73 is formed in the sealing plate 71, the U-shaped groove 73 is communicated with the air bag seat 72, the ethanol liquid 74 is filled in the U-shaped groove 73, the U-shaped groove 73 is provided with the resistor sheet 75, the power supply sheet 76 for supplying power is fixedly connected in the U-shaped groove 73, the resistance sheet 75 and the power supply sheet 76 are connected with a conducting sheet 77 for conducting electricity together in a sliding manner, the conducting sheet 77 is in contact with the ethanol liquid 74, and the ethanol liquid 74 is used for pushing the conducting sheet 77 to move upwards.

The resistance sheet 75 is connected with the double-shaft motor 54 through a circuit, the power supply sheet 76 supplies power to the resistance sheet 75 through the conducting sheet 77, when the second reaction liquid is conveyed to the liquid inlet frame 52 on the right side, the second reaction liquid extrudes the air bag seat 72, the air pressure in the air bag seat 72 pushes the ethanol liquid 74 to move upwards along the right side of the U-shaped groove 73, the ethanol liquid 74 pushes the conducting strip 77 to move upwards, and therefore the resistance value of the resistor disc 75 is reduced, further, the current passing through the resistor 75 is increased, so that the running power of the dual-shaft motor 54 is increased, the power of the water pump 62 is increased, the heat dissipation efficiency of the cooling liquid to the T-shaped pipe 51, the first attachment plate 41 and the second attachment plate 42 is increased, so that when the reaction liquid two is more, the pressure applied to the air bag seat 72 is larger, the liquid level difference of the ethanol liquid 74 on the two sides in the U-shaped groove 73 is larger, the resistance value of the resistance sheet 75 is smaller, therefore, the running power of the double-shaft motor 54 is changed, and the effect of adjusting the heat dissipation efficiency according to the addition amount of the second reaction liquid is achieved.

Example 3

In addition to embodiment 1, as shown in fig. 7, a secondary stirring cylinder 8 is further included, a secondary stirring cylinder 8 is provided below the inside of the T-shaped pipe 51, and the secondary stirring cylinder 8 is used to sufficiently stir the mixed liquid in the T-shaped pipe 51.

When the mixed liquid in the T-shaped pipe 51 flows downwards, the secondary stirring cylinder 8 can sufficiently stir the mixed liquid in the T-shaped pipe 51, so that the mixed liquid in the T-shaped pipe 51 is sufficiently dispersed, solutes in the first reaction liquid and the second reaction liquid can be contacted with each other to generate nanoparticles, and the yield of the prepared nanoparticles is improved.

Example 4

As shown in fig. 8, the apparatus of example 1 further includes a stirring impeller 9, the stirring impeller 9 is fixed to the rotating shaft 55, and the stirring impeller 9 is used to stir the first reaction solution and the second reaction solution.

The rotation of the rotating shaft 55 drives the stirring impeller 9 to rotate, and the stirring impeller 9 can stir the first reaction solution and the second reaction solution, so that the first reaction solution and the second reaction solution can be more fully mixed.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A net type microchannel reactor for preparing nano micro particles by liquid-liquid reaction comprises a connecting frame (1) and is characterized by further comprising a liquid guide disc (2), a liquid discharge disc (3), a net type channel reaction part (4), a solution primary mixing part (5) and a heat exchange part (6): the liquid guide plate (2) is fixedly arranged above the connecting frame (1), and the liquid guide plate (2) is used for conveying reactants; the liquid discharging disc (3), the liquid discharging disc (3) is fixedly arranged below the connecting frame (1), and the liquid discharging disc (3) is used for discharging the mixed liquid; the net-type channel reaction component (4) is communicated between the liquid guide disc (2) and the liquid discharge disc (3), and the net-type channel reaction component (4) is used for fully mixing and reacting the reaction liquid I and the reaction liquid II; the top surface of the liquid guide disc (2) is fixedly provided with a solution primary mixing component (5), and the solution primary mixing component (5) is used for carrying out primary mixing reaction on the reaction liquid I and the reaction liquid II; the heat exchange component (6) is arranged on the solution preliminary mixing component (5), and the heat exchange component (6) is used for carrying out heat exchange type heat dissipation on the net type channel reaction component (4) and the solution preliminary mixing component (5).

2. The net-type microchannel reactor for preparing nano-micro-particles by liquid-liquid reaction according to claim 1, the net-type channel reaction component (4) is characterized by comprising a first attaching plate (41), a second attaching plate (42), bolts (43) and nuts (44), a plurality of pairs of first attaching plates (41) and second attaching plates (42) are communicated between a liquid guide disc (2) and a liquid discharge disc (3) and are in contact with the first attaching plates (41) and the second attaching plates (42), a pair of bolts (43) are fixedly connected to two sides of the second attaching plates (42), the bolts (43) penetrate through the first attaching plates (41), the nuts (44) are connected to the bolts (43) in a threaded fit mode, the nuts (44) are in contact with the first attaching plates (41), mesh grooves (45) are formed in the first attaching plates (41), and mesh grooves (45) are also formed in the second attaching plates (42).

3. The net-type microchannel reactor for preparing nano-micro-particles by liquid-liquid reaction according to claim 1, the device is characterized in that a solution primary mixing component (5) comprises a T-shaped pipe (51), a liquid inlet frame (52), a supporting seat (53), a double-shaft motor (54), a rotating shaft (55) and a round groove cylinder (56), wherein the T-shaped pipe (51) is fixedly connected to the top surface of a liquid guide disc (2), the two ends of the T-shaped pipe (51) are communicated with the liquid inlet frame (52), the left side of the liquid inlet frame (52) is fixedly connected with the supporting seat (53), the double-shaft motor (54) is fixedly mounted on the supporting seat (53), the rotating shaft (55) is welded at the right end of an output shaft of the double-shaft motor (54), the rotating shaft (55) is rotatably connected with the left liquid inlet frame (52), the two round groove cylinders (56) are fixedly connected to the rotating shaft (55), and the round groove cylinders (56) are located in the T-shaped pipe (51).

4. The net type microchannel reactor for preparing nano-micro particles by liquid-liquid reaction as set forth in claim 3, wherein the flow holes are opened in the cylindrical tank (56) in a uniformly distributed manner, and the first and second reaction liquids are uniformly dispersed in the flow holes, so as to ensure the uniformity of the first and second reaction liquids to the maximum extent.

5. The net-type microchannel reactor for preparing nano-micro particles through liquid-liquid reaction according to claim 3, wherein the heat exchange part (6) comprises a T-shaped heat exchange cover (61), a water pump (62), a water inlet pipe (63), a curved pipe (64), a heat exchange plate (65), a water discharge cover (66), a liquid collection frame (67) and a composite curved liquid exchange pipe (68), the T-shaped heat exchange cover (61) is sleeved on the T-shaped pipe (51), the water pump (62) is fixedly installed on the supporting base (53), the left end of the output shaft of the double-shaft motor (54) is connected with the input shaft of the water pump (62), the water inlet pipe (63) is fixedly connected to the front side of the water pump (62), the curved pipe (64) is fixedly connected to the rear side of the water pump (62), one end of the curved pipe (64) is communicated with the T-shaped heat exchange cover (61), and the heat exchange plate (65) is arranged between the first binding plate (41) and the second binding plate (42), a composite curved liquid exchange tube (68) is arranged on the heat exchange plate (65), a drainage cover (66) is fixedly connected to one end of the right side of the composite curved liquid exchange tube (68), a liquid collection frame (67) is communicated to one end of the left side of the composite curved liquid exchange tube (68), and the liquid collection frame (67) is communicated with the bottom of the T-shaped heat exchange cover (61).

6. The net type microchannel reactor for preparing nano-micro particles through liquid-liquid reaction as claimed in claim 5, wherein five curved tubes are arranged in the middle of the composite curved liquid exchange tube (68), so as to increase the contact area between the composite curved liquid exchange tube (68) and the heat exchange plate (65) and improve the heat exchange efficiency between the heat exchange plate (65) and the first joint plate (41) and the second joint plate (42).

7. The net-type microchannel reactor for preparing nano-micro particles through liquid-liquid reaction according to claim 3, which is characterized by further comprising a reaction rate matching component (7), wherein the reaction rate matching component (7) is arranged at the bottom of the liquid inlet frame (52) on the right side, the reaction rate matching component (7) comprises a sealing plate (71), an air bag seat (72), insulating liquid, a resistance sheet (75), a power supply sheet (76) and a conducting sheet (77), the bottom of the liquid inlet frame (52) on the right side is connected with the sealing plate (71) through a fastening piece, the top of the sealing plate (71) is provided with the air bag seat (72), the air bag seat (72) penetrates through the liquid inlet frame (52) on the right side, a U-shaped groove (73) is formed in the sealing plate (71), the U-shaped groove (73) is communicated with the air bag seat (72), the insulating liquid is filled in the U-shaped groove (73), the resistance sheet (75) is arranged in the U-shaped groove (73), the power supply sheet (76) is fixedly connected in the U-shaped groove (73), the resistance sheet (75) and the power supply sheet (76) are jointly connected with a conducting sheet (77) in a sliding mode, and the conducting sheet (77) is in contact with the insulating liquid.

8. The net-type microchannel reactor for preparing nano-micro particles through liquid-liquid reaction according to claim 7, wherein the insulating liquid is ethanol liquid (74), the ethanol liquid (74) is filled in the U-shaped groove (73), and the conducting strip (77) is in contact with the ethanol liquid (74).

9. The net type microchannel reactor for preparing nano-micro particles through liquid-liquid reaction as claimed in claim 3, characterized by further comprising a secondary stirring cylinder (8), wherein the secondary stirring cylinder (8) is arranged below the inside of the T-shaped pipe (51).

10. The net-type microchannel reactor for preparing nano-micro particles through liquid-liquid reaction as claimed in claim 3, further comprising a stirring impeller (9), wherein the stirring impeller (9) is fixedly connected to the rotating shaft (55).