Anti-blocking micro-channel reactor

By introducing snake-shaped structures, feed components and filtering components into the microchannel reactor, and using high-frequency vibration and filter mesh to clean solid impurities, the problem of microchannel reactor clogging is solved, and production efficiency and equipment flexibility is improved.

CN222342837UActive Publication Date: 2025-01-14SHANDONG XINFA RUIJIE NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202421081426.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-01-14
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

During the reaction process, existing microchannel reactors are prone to blocking the channel due to solid materials, resulting in reduced efficiency and increased pressure.

Method used

An anti-blocking microchannel reactor is designed, including a snake-shaped microreaction channel, feed assembly, anti-blocking assembly and filter removal assembly. It cleans solid impurities through high-frequency vibration and filter mesh to ensure that solid materials can pass through the channel smoothly. The material assembly clears the material through a small motor and a stirring rod to prevent clogging. The filter assembly uses a suction pump and filter element to clean the feed pipe.

Benefits of technology

Effectively prevent solid materials from clogging the micro-reaction channels when feeding, improve production efficiency and equipment flexibility, and ensure reaction quality and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of micro-channel reactors, in particular to an anti-blocking micro-channel reactor which can prevent solid from being blocked during feeding, so that fixed materials generated by reaction cannot block a micro-reaction channel, and the production efficiency can be improved. Comprising a supporting inner box, a supporting base, a micro-reaction channel, a feeding pipe, a discharging hose, an outer box, a feeding assembly, an anti-blocking assembly, a filtering assembly and a moving assembly, the supporting inner box is located in the outer box, the micro-reaction channel is installed in the supporting inner box through the supporting base, and the micro-reaction channel is of a snake-shaped structure; one end of the micro-reaction channel is connected with a feeding pipe, the other end of the micro-reaction channel is connected with a discharging hose, the feeding assembly is connected with the input end of the feeding pipe and installed at the top end of the outer box, the anti-blocking assembly is installed in the outer box, and the filtering assembly is installed at the bottom end of the interior of the outer box and communicated with the interior of the micro-reaction channel. The bottom end of the outer box is connected with the moving assembly.
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Description

Technical Field

[0001] The utility model relates to the technical field of microchannel reactors, in particular to an anti-clogging microchannel reactor. Background Art

[0002] A microchannel reactor, also known as a microreactor, refers to a chemical reactor whose internal structure is manufactured using precision machining and other technologies with characteristic dimensions ranging from a few microns to a few millimeters. Compared with traditional large-scale chemical equipment, microchannel reactors have the advantages of high specific surface area, fast heat and mass transfer, safe operation, easy scale-up, and small footprint. Prior art publication number CN208177428U proposes a microchannel reactor, which includes a droplet generation zone, a fluid convection mixing zone within the droplet, and a droplet pre-crosslinking and curing zone; wherein the channel of the fluid convection mixing zone within the droplet includes a straight channel and a non-straight channel, and the non-straight channel can be an S-shaped curved channel, a Z-shaped channel, or other irregularly shaped curved channels. Although this improves the mixing effect, it also increases the pressure of the system and the risk of a small amount of solid generated during the reaction clogging the channel. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an anti-clogging microchannel reactor which prevents solids from clogging during feeding, so that the fixed materials produced by the reaction will not clog the microreaction channel, thereby helping to improve production efficiency.

[0004] The utility model discloses an anti-clogging microchannel reactor, comprising a supporting inner box, a supporting base, a micro-reaction channel, a feed pipe, a discharge hose, an outer box, a feed component, an anti-clogging component, a filtering component and a moving component. The supporting inner box is located inside the outer box, the micro-reaction channel is installed inside the supporting inner box through the supporting base, the micro-reaction channel has a serpentine structure, one end of the micro-reaction channel is connected to the feed pipe, the other end of the micro-reaction channel is connected to the discharge hose, the feed component is connected to the input end of the feed pipe, the feed component is installed at the top of the outer box, the anti-clogging component is installed inside the outer box, and the filtering component is installed outside. The inner bottom end of the box is connected to the interior of the micro-reaction channel, and the bottom end of the outer box is connected to the moving component; the moving component facilitates moving the equipment to the use position, improves flexibility, and inputs materials into the micro-reaction channel through the feeding component, effectively preventing solids from clogging during feeding. The anti-clogging component can cause the micro-reaction channel to vibrate at high frequency, and shatter the solids produced by the reaction in the micro-reaction channel, so that the solids become smaller particles that can pass through the micro-reaction channel smoothly. The inside of the feed pipe is cleaned through the filtering component, so that the fixed materials produced by the reaction will not block the micro-reaction channel, which helps to improve production efficiency.

[0005] Preferably, the feeding assembly includes a feeding pipe, a small motor, a turntable, a connecting pipe, a connecting box, a filter screen, a motor and a cam. The feeding pipe is fixedly connected to the top of the outer box, the output end of the feeding pipe is connected to the input end of the feeding pipe, the input end of the feeding pipe is set as a bell mouth, the small motor is installed on the outer wall of the feeding pipe through a bracket, the output shaft of the small motor passes through the side wall of the feeding pipe and is equipped with a turntable, a plurality of stirring rods are evenly arranged on the turntable, the connecting box is installed at the top left end of the outer box, a liquid inlet pipe is provided on the connecting box, the output end of the connecting box is connected to the feeding pipe through the connecting pipe, and the connecting pipe is provided with The valve and filter are installed inside the connecting box, the motor is installed on the top of the connecting box, and a cam is installed on the output end of the motor through the top of the connecting box; the fixed material is added to the feeding pipe, and the small motor is started to drive the turntable to rotate. While rotating, the material is effectively dredged to effectively prevent solid blockage during feeding. The liquid enters the connecting box from the liquid inlet pipe, and the solid impurities in the liquid will be blocked by the filter. Then the liquid passes through the connecting box and the feed pipe into the micro reaction channel for reaction. The motor is started to drive the cam to rotate and knock on the filter, so that the filter vibrates to clean the impurities.

[0006] Preferably, the anti-blocking component includes two resonant motors, multiple springs and a limit component. The two resonant motors are fixedly installed at the left and right ends of the bottom of the supporting inner box, and the multiple springs are fixedly connected at the four corners of the bottom of the supporting inner box. The bottom end of the spring is connected to the inner bottom end of the outer box. When the micro-reaction channel needs to clean solids, the resonant motor is turned on, and the vibration frequency is transmitted to the supporting inner box through the cooperation of the resonant motor and the spring, causing it to vibrate at a high frequency, thereby shattering the solids produced by the reaction in the micro-reaction channel, so that the solids are turned into smaller particles that can pass through the micro-reaction channel smoothly.

[0007] Preferably, the limit assembly includes two sets of slide rails, two sliders, two electric telescopic rods and two fixed plates, the two sets of slide rails are fixedly mounted on the left and right ends of the inner wall of the outer box, the sliders are fixedly mounted on the left and right side walls of the supporting inner box, the sliders are slidably mounted on the slide rails, the electric telescopic rod is fixedly mounted on the left and right side walls of the outer box, one end of the electric telescopic rod is fixedly mounted with a fixed plate, and the fixed plate is slidably mounted on the inner wall of the outer box; during reaction, the electric telescopic rod is started to push the two fixed plates closer to each other, and the supporting inner box is limited and fixed to ensure stability during reaction and reaction quality; during cleaning, the electric telescopic rod is started to retract to release the limit on the supporting inner box; during vibration, the supporting inner box is limited and guided by the slider and the slide rails.

[0008] Preferably, the filtration assembly includes multiple connecting hoses, transverse tubes, collecting bins, filter elements, suction pumps and sealing plates. The connecting hoses are respectively connected to the bottom of the microreaction channels, and an electromagnetic valve is provided at the bottom of the microreaction channels to prevent the reaction materials from flowing out from the bottom. The output end of the connecting hose is connected to the transverse tube, and the output end of the transverse tube passes through the bottom end of the supporting inner box and is connected to the interior of the collecting bin. The collecting bin is installed inside the outer box, and a filter element is installed inside the collecting bin. The front end of the filter element is connected to a sealing plate, and the sealing plate is sealed at the front end of the outer box. The suction pump is installed at the inner bottom end of the outer box, and the output end of the suction pump is connected to the interior of the collecting bin. The suction pump is started to evacuate the interior of the collecting bin, and the small particles in the microreaction channel are absorbed through the connecting hoses and the transverse tube, and fall onto the surface of the filter element. The filter element is pulled out through the sealing plate to clean it, so that the fixed materials produced by the reaction will not block the microreaction channel, which helps to improve production efficiency.

[0009] Preferably, the moving assembly includes a base plate, multiple moving wheels, two sets of electric push rods and two friction plates. The base plate is connected to the top of the outer box, and moving wheels are installed at the four corners of the bottom of the base plate. Mounting grooves are opened at both ends of the bottom of the base plate, and the two sets of electric push rods are respectively installed in the mounting grooves. Friction plates are installed at the bottom ends of the electric push rods. The moving wheels and the base plate are used to facilitate moving the equipment to the use position, thereby improving flexibility. After moving to the use position, the electric push rods are started to push the friction plates downward to disengage the moving wheels from contact with the ground, thereby ensuring stability during use.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: the moving component facilitates moving the equipment to the use position, improving flexibility; the material is input into the micro-reaction channel through the feeding component, effectively preventing solid blockage during feeding; the anti-blocking component can cause the micro-reaction channel to vibrate at high frequency, and shatter the solids produced by the reaction in the micro-reaction channel, so that the solids become smaller particles that can pass through the micro-reaction channel smoothly; the inside of the feed pipe is cleaned by the filtering component, so that the fixed materials produced by the reaction will not block the micro-reaction channel, which helps to improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural diagram of the utility model;

[0012] Figure 2 This is an axonometric structural diagram of the present utility model;

[0013] Figure 3 It is a schematic diagram of the lower three-dimensional structure of the utility model;

[0014] Figure 4 This is a schematic diagram of the first cross-sectional structure of the present utility model;

[0015] Figure 5 This is a schematic diagram of the second side structure of the present utility model;

[0016] Figure 6 It is a front cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the accompanying drawings: 1. Support inner box; 2. Support base; 3. Micro reaction channel; 4. Feed pipe; 5. Discharge hose; 6. Outer box; 7. Feeding pipe; 8. Small motor; 9. Turntable; 10. Connecting pipe; 11. Connecting box; 12. Filter; 13. Motor; 14. Cam; 15. Resonant motor; 16. Spring; 17. Slide rail; 18. Slider; 19. Electric telescopic rod; 20. Fixed plate; 21. Connecting hose; 22. Horizontal pipe; 23. Collection bin; 24. Filter element; 25. Suction pump; 26. Sealing plate; 27. Bottom plate; 28. Moving wheel; 29. ​​Electric push rod; 30. Friction plate. DETAILED DESCRIPTION

[0018] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0019] like Figures 1 to 6As shown, the supporting inner box 1 is located inside the outer box 6, the micro-reaction channel 3 is installed inside the supporting inner box 1 through the supporting base 2, the micro-reaction channel 3 is a serpentine structure, one end of the micro-reaction channel 3 is connected to the feeding pipe 4, the other end of the micro-reaction channel 3 is connected to the discharge hose 5, the feeding pipe 7 is fixedly connected to the top of the outer box 6, the output end of the feeding pipe 7 is connected to the input end of the feeding pipe 4, the input end of the feeding pipe 7 is set to a bell mouth, the small motor 8 is installed on the outer wall of the feeding pipe 7 through the bracket, the output shaft of the small motor 8 passes through the side wall of the feeding pipe 7 and is installed with a turntable 9, and a plurality of stirring rods are evenly arranged on the turntable 9. Rod, the connecting box 11 is installed at the top left end of the outer box 6, the connecting box 11 is provided with a liquid inlet pipe, the output end of the connecting box 11 is connected to the feeding pipe 7 through the connecting pipe 10, the connecting pipe 10 is provided with a valve, the filter 12 is installed inside the connecting box 11, the motor 13 is installed on the top of the connecting box 11, the output end of the motor 13 is installed with a cam 14 through the top of the connecting box 11, two resonant motors 15 are fixedly installed at the left and right ends of the bottom of the supporting inner box 1, a plurality of springs 16 are fixedly connected to the four corners of the bottom of the supporting inner box 1, the bottom end of the spring 16 is connected to the inner bottom end of the outer box 6, and two sets of slide rails 17 The outer box 6 is fixedly mounted on the left and right ends of the inner wall, the slider 18 is fixedly mounted on the left and right side walls of the inner box 1, the slider 18 is slidably mounted on the slide rail 17, the electric telescopic rod 19 is fixedly mounted on the left and right side walls of the outer box 6, one end of the electric telescopic rod 19 is fixedly mounted with a fixed plate 20, the fixed plate 20 is slidably mounted on the inner wall of the outer box 6, the connecting hose 21 is respectively connected to the bottom of the micro-reaction channel 3, and an electromagnetic valve is provided at the bottom of the micro-reaction channel 3 to prevent the reaction material from flowing out from the bottom, the output end of the connecting hose 21 is connected to the cross tube 22, and the output end of the cross tube 22 passes through the inner box 1. The bottom end is connected to the interior of the collection bin 23, and the collection bin 23 is installed inside the outer box 6. A filter element 24 is installed inside the collection bin 23. The front end of the filter element 24 is connected to a sealing plate 26. The sealing plate 26 is sealed and installed at the front end of the outer box 6. The suction pump 25 is installed at the bottom end of the inner part of the outer box 6. The output end of the suction pump 25 is connected to the interior of the collection bin 23. The bottom plate 27 is connected to the top of the outer box 6. Moving wheels 28 are respectively installed at the four corners of the bottom of the bottom plate 27. Mounting grooves are opened at both ends of the bottom of the bottom plate 27. Two sets of electric push rods 29 are respectively installed in the mounting grooves. The bottom end of the electric push rod 29 is installed with a friction plate 30.

[0020] The moving wheel 28 and the bottom plate 27 facilitate the movement of the equipment to the use position, thereby improving flexibility. After the equipment is moved to the use position, the electric push rod 29 is started to push the friction plate 30 downward so that the moving wheel 28 is out of contact with the ground, thereby ensuring stability during use. The fixed material is added to the feeding pipe 7, and the small motor 8 is started to drive the turntable 9 to rotate. While rotating, the material is effectively dredged, thereby effectively preventing solids from being blocked during feeding. The liquid enters the connecting box 11 from the liquid inlet pipe, and the solid impurities in the liquid are blocked by the filter 12. Then, the liquid passes through the connecting box 11 and the feeding pipe 4 into the micro-reaction channel 3 for reaction. The motor 13 is started to drive the cam 14 to rotate, and the filter 12 is knocked, so that the filter 12 vibrates to clean the impurities. When the micro-reaction channel 3 needs to clean the solid, the resonant motor 15 is turned on, and the resonant motor 15 and the spring 16 are used. Cooperate to transmit the vibration frequency to the supporting inner box 1, so that it vibrates at a high frequency, and shatters the solids produced by the reaction in the micro-reaction channel 3, so that the solids become smaller particles that can pass through the micro-reaction channel 3 smoothly. During the reaction, the electric telescopic rod 19 is started to push the two fixed plates 20 closer to each other, and the supporting inner box 1 is limited and fixed to ensure stability during the reaction and the quality of the reaction. During cleaning, the electric telescopic rod 19 is started to retract and the limit on the supporting inner box 1 is released. During vibration, the supporting inner box 1 is limited and guided by the slider 18 and the slide rail 17, and the suction pump 25 is started to evacuate the inside of the collection bin 23. The small particles in the micro-reaction channel 3 are absorbed through the connecting hose 21 and the cross tube 22, and fall onto the surface of the filter element 24. The filter element 24 is pulled out through the sealing plate 26 to clean it, so that the fixed materials produced by the reaction will not block the micro-reaction channel, which helps to improve production efficiency.

[0021] like Figures 1 to 6As shown, the utility model is an anti-clogging microchannel reactor. When it is working, the equipment is moved to the use position by the moving wheel 28 and the bottom plate 27. After moving to the use position, the electric push rod 29 is started to push the friction plate 30 downward to make the moving wheel 28 out of contact with the ground, and the fixed material is added to the feeding pipe 7. The small motor 8 is started to drive the turntable 9 to rotate. While rotating, the material is effectively dredged, and the solid is effectively prevented from being blocked during feeding. The liquid enters the connecting box 11 from the liquid inlet pipe. The solid impurities in the liquid will be blocked by the filter screen 12. Then the liquid passes through the connecting box 11 and the feeding pipe 4 into the micro reaction channel 3 for reaction. During the reaction, the electric telescopic rod 19 is started to push the two fixed plates 20 to each other. The two devices are close to each other, and the supporting inner box 1 is limited and fixed to ensure stability during the reaction. When the micro-reaction channel 3 needs to clean the solids, the electric telescopic rod 19 is started to retract, and the limit on the supporting inner box 1 is released. The resonant motor 15 is turned on, and the resonance motor 15 and the spring 16 work together to transmit the vibration frequency to the supporting inner box 1, so that it vibrates at a high frequency, and the solids produced by the reaction in the micro-reaction channel 3 are shattered, so that the solids are turned into smaller particles that can pass through the micro-reaction channel 3 smoothly. The suction pump 25 is started to evacuate the inside of the collection bin 23, and the small particles in the micro-reaction channel 3 are absorbed through the connecting hose 21 and the cross tube 22, and fall onto the surface of the filter element 24. The filter element 24 is pulled out through the sealing plate 26 to clean it.

[0022] The small motor 8, motor 13, resonant motor 15 and suction pump 25 of the anti-clogging microchannel reactor of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual without the need for creative work by technicians in this field.

[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A blockage-resistant microchannel reactor, characterized in that: The invention comprises a supporting inner box (1), a supporting base (2), a micro-reaction channel (3), a feed pipe (4), a discharge hose (5), an outer box (6), a feed component, an anti-blocking component, a filter component and a moving component. The supporting inner box (1) is located inside the outer box (6). The micro-reaction channel (3) is installed inside the supporting inner box (1) through the supporting base (2). The micro-reaction channel (3) is in a serpentine structure. One end of the micro-reaction channel (3) is connected to the feed pipe (4), and the other end of the micro-reaction channel (3) is connected to the discharge hose (5). The feed component is connected to the input end of the feed pipe (4), and the feed component is installed at the top of the outer box (6). The anti-blocking component is installed inside the outer box (6). The filter component is installed at the bottom end of the inner part of the outer box (6) and is connected to the inside of the micro-reaction channel (3). The bottom end of the outer box (6) is connected to the moving component.

2. The anti-clogging microchannel reactor according to claim 1, characterized in that: The feeding assembly comprises a feeding pipe (7), a small motor (8), a rotating disk (9), a connecting pipe (10), a connecting box (11), a filter screen (12), a motor (13) and a cam (14); the feeding pipe (7) is fixedly connected to the top of the outer box (6); the output end of the feeding pipe (7) is connected to the input end of the feeding pipe (4); the input end of the feeding pipe (7) is arranged as a bell mouth; the small motor (8) is mounted on the outer wall of the feeding pipe (7) through a bracket; the output shaft of the small motor (8) passes through the side wall of the feeding pipe (7) and is installed with a A turntable (9) is provided, and a plurality of stirring rods are evenly arranged on the turntable (9). A connection box (11) is installed at the top left end of the outer box (6). A liquid inlet pipe is provided on the connection box (11). The output end of the connection box (11) is connected to the feed pipe (7) through a connection pipe (10). A valve is provided on the connection pipe (10). A filter screen (12) is installed inside the connection box (11). A motor (13) is installed on the top of the connection box (11). A cam (14) is installed on the output end of the motor (13) through the top of the connection box (11).

3. The anti-clogging microchannel reactor according to claim 1, characterized in that: The anti-blocking component comprises two resonant motors (15), a plurality of springs (16) and a limiter component. The two resonant motors (15) are fixedly mounted at the left and right ends of the bottom of the supporting inner box (1). The plurality of springs (16) are fixedly connected at the four corners of the bottom of the supporting inner box (1). The bottom ends of the springs (16) are connected to the inner bottom end of the outer box (6).

4. The anti-clogging microchannel reactor according to claim 1, characterized in that: The limiting assembly comprises two sets of slide rails (17), two sliders (18), two electric telescopic rods (19) and two fixing plates (20), the two sets of slide rails (17) are fixedly mounted on the left and right ends of the inner wall of the outer box (6), the sliders (18) are fixedly mounted on the left and right end side walls supporting the inner box (1), the sliders (18) are slidably mounted on the slide rails (17), the electric telescopic rod (19) is fixedly mounted on the left and right end side walls of the outer box (6), one end of the electric telescopic rod (19) is fixedly mounted with a fixing plate (20), and the fixing plate (20) is slidably mounted on the inner wall of the outer box (6).

5. The anti-clogging microchannel reactor according to claim 1, characterized in that: The filtering assembly comprises a plurality of connecting hoses (21), a transverse tube (22), a collecting bin (23), a filter element (24), an air suction pump (25) and a sealing plate (26); the connecting hoses (21) are respectively connected to the bottom of the micro-reaction channel (3); an electromagnetic valve is arranged at the bottom of the micro-reaction channel (3) to prevent the reaction material from flowing out from the bottom; the output end of the connecting hose (21) is connected to the transverse tube (22); the output end of the transverse tube (22) passes through the bottom end of the supporting inner box (1) and is connected to the inside of the collecting bin (23); the collecting bin (23) is installed inside the outer box (6); a filter element (24) is installed inside the collecting bin (23); the front end of the filter element (24) is connected to the sealing plate (26); the sealing plate (26) is sealingly installed at the front end of the outer box (6); the air suction pump (25) is installed at the bottom end of the inner part of the outer box (6); the output end of the air suction pump (25) is connected to the inside of the collecting bin (23).

6. The anti-clogging microchannel reactor according to claim 1, characterized in that: The moving assembly comprises a bottom plate (27), a plurality of moving wheels (28), two groups of electric push rods (29) and two friction plates (30). The bottom plate (27) is connected to the top end of the outer box (6). The moving wheels (28) are respectively installed at the four corners of the bottom of the bottom plate (27). The bottom ends of the bottom plate (27) are provided with mounting grooves. The two groups of electric push rods (29) are respectively installed in the mounting grooves. The friction plates (30) are installed at the bottom ends of the electric push rods (29).

Citation Information

Patent Citations

  • Microchannel reactor

    CN208177428U