Anti-blocking device for micro-reactor

By designing a micro reactor anti-blocking device and using a filter cartridge and cleaning mechanism to filter and clean large particulate materials, the problem of easy blockage of the micro reactor is solved, ensuring the normal use of the reactor and the anti-blocking effect.

CN222658625UActive Publication Date: 2025-03-25SHANDONG RBL CHEM CO LTD
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Patent Information

Application Number
CN202421089532.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-03-25
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The channel size of the micro reactor is micron-level, the internal structure is complex, and large-particle solid materials are difficult to pass, resulting in the micro reactor being easily blocked and affecting its use.

Method used

A micro reactor anti-blocking device is designed, including an outer shell, a filter cartridge and a liquid inlet cover. A cleaning mechanism is provided in the filter cartridge to control the circulation of the reaction solution through a solenoid valve to ensure that large particulate materials are filtered and cleaned.

Benefits of technology

Effectively prevent large particulate materials from clogging the micro reactor, ensuring the normal use of the reactor, and maintaining the filtering effect of the filter cartridge through regular cleaning and maintenance, and improving the anti-blocking effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The anti-blocking device comprises an outer shell, a filter cartridge and a liquid inlet cover, a liquid outlet is formed in one end of the outer shell and connected with a first electromagnetic valve, a first waste discharge port is formed in the bottom of the outer shell, the filter cartridge is arranged in the outer shell, the opening end of the filter cartridge is located at the end, away from the liquid outlet, of the outer shell, and the liquid inlet cover is connected with a second electromagnetic valve. The filter cartridge is provided with a second waste discharge port communicated with the first waste discharge port, the second waste discharge port is connected with a second electromagnetic valve, the outer wall of the filter cartridge is attached to the inner wall of the outer shell, the liquid inlet cover is installed at the end, away from the liquid outlet, of the outer shell, the liquid inlet cover is provided with a liquid inlet pipe opening, and the liquid inlet pipe opening is communicated with the filter cartridge. According to the utility model, particles entering the micro-reactor can be filtered and screened through the filter cartridge, and large particle materials are prevented from blocking the micro-reactor, so that the normal use of the micro-reactor is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of microchannel reactors, in particular to a microreactor anti-blocking device. Background Art

[0002] Microreactor, also known as microchannel reactor, is a three-dimensional structural element that can be used for chemical reactions and is made of solid matrix with the help of special micromachining technology. Microreactors usually contain small channel sizes and channel diversity, in which fluids flow and the required reactions are required to occur. Microreactors are widely used in chemical synthesis, analytical chemistry, biotechnology and other fields.

[0003] However, since the channel size of the microreactor is at the micron level and the internal structure is complex, large solid particles have difficulty passing through the microchannel, causing the microreactor to be easily blocked, thus affecting the use of the microreactor. Utility Model Content

[0004] In order to solve the problem in the background technology and avoid the large particles of solid materials in the reaction solution from clogging the microreactor, a microreactor anti-clogging device is proposed, including an outer shell, a filter cartridge and a liquid inlet cover, one end of the outer shell is provided with a liquid outlet, the liquid outlet is connected to a first electromagnetic valve, the bottom of the outer shell is provided with a first row of waste ports, the filter cartridge is arranged in the outer shell, the open end of the filter cartridge is located at the end of the outer shell away from the liquid outlet, the filter cartridge is provided with a second row of waste ports connected to the first row of waste ports, the second row of waste ports is connected to a second electromagnetic valve, the outer wall of the filter cartridge is fitted with the inner wall of the outer shell, the liquid inlet cover is installed at the end of the outer shell away from the liquid outlet, the liquid inlet cover is provided with a liquid inlet pipe port, and the liquid inlet pipe port is connected to the filter cartridge.

[0005] Preferably, a cleaning mechanism is provided in the filter cartridge, and the cleaning mechanism comprises a gear ring, a gear, a first cleaning brush and a second cleaning brush, the gear ring is rotatably mounted in the liquid inlet cover, one end of the first cleaning brush is fixed to a side of the gear ring away from the liquid inlet cover, the other end of the first cleaning brush extends toward the liquid outlet, the first cleaning brush contacts the inner wall of the filter cartridge, the length direction of the second cleaning brush is consistent with the radial direction of the filter cartridge, the second cleaning brush is fixedly connected to the first cleaning brush, and the second cleaning brush contacts the inner wall of the filter cartridge at one end close to the liquid outlet;

[0006] The gear is meshed with the gear ring, a motor is fixed outside the liquid inlet cover, and an output end of the motor is connected to the gear.

[0007] Preferably, a fixed cover is fixed between the liquid inlet cover and the outer shell, and the fixed cover includes a first cover body, the first cover body is provided with a liquid inlet through hole connected to the filter cartridge, one end of the first cover body is fixed to the outer shell, and the other end of the first cover body is provided with a first mounting groove, and the first mounting groove is located on the outer peripheral side of the liquid inlet through hole;

[0008] The liquid inlet cover comprises a second cover body, one end of the second cover body is connected to one end of the first cover body provided with a first mounting groove, the liquid inlet pipe port is located at the other end of the second cover body, a mounting protrusion is provided at the connecting end of the second cover body and the first cover body, a second mounting groove is provided on the outer peripheral side of the mounting protrusion, and after the first cover body and the second cover body are connected, the second mounting groove and the first mounting groove form a mounting groove;

[0009] The gear ring is sleeved on the outer wall of the mounting protrusion, the gear ring is rotatably connected with the mounting protrusion, and the gear ring and the gear are located in the mounting groove.

[0010] Preferably, a first mounting flange is provided at one end of the outer shell away from the liquid outlet, a second mounting flange is provided at the open end of the filter cartridge, and a third mounting flange is provided at one end of the first cover body close to the outer shell. The first mounting flange, the second mounting flange and the third mounting flange cooperate with each other, and the second mounting flange is located between the first mounting flange and the third mounting flange.

[0011] Preferably, the first waste outlet is connected to a waste storage box via a second electromagnetic valve.

[0012] Preferably, the first row of waste ports is a tubular structure extending away from the outer shell, the second row of waste ports is a tubular structure extending away from the filter cartridge, the outer diameter of the second row of waste ports is consistent with the inner diameter of the first row of waste ports, and the second row of waste ports is located inside the first row of waste ports.

[0013] Preferably, the second tubular waste outlet is made of rubber.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model can filter and screen the particles entering the microreactor through the filter cartridge to prevent large particles from clogging the microreactor, thereby ensuring that the microreactor can be used normally.

[0016] 2. The utility model is provided with a filter cartridge cleaning mechanism, which can regularly clean the filter cartridge and discharge the dirt after cleaning. The dirt accumulates and blocks the filter cartridge, thereby ensuring the filtering effect of the filter cartridge and improving the anti-blocking effect.

[0017] 3. The utility model has a simple structure and is easy to disassemble and install, thus facilitating maintenance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 Schematic diagram of the overall structure of the utility model;

[0020] Figure 3 A schematic diagram of the structure of the outer shell of the utility model;

[0021] Figure 4 Schematic diagram of the filter cartridge structure of the utility model;

[0022] Figure 5 A schematic diagram of the structure of the fixed cover of the utility model;

[0023] Figure 6 A schematic diagram of the cleaning mechanism structure of the utility model;

[0024] Figure 7 A schematic diagram of the structure of a liquid inlet cover of the utility model.

[0025] Numbers in the figure: 1. outer shell; 11. liquid outlet; 12. first waste outlet; 2. filter cartridge; 21. second waste outlet; 3. fixed cover; 31. first cover body; 32. first mounting groove; 4. cleaning mechanism; 41. gear ring; 42. gear; 43. first cleaning brush; 44. second cleaning brush; 5. liquid inlet cover; 51. second cover body; 52. mounting protrusion; 53. second mounting groove; 54. liquid inlet pipe mouth; 6. waste storage box; 7. second electromagnetic valve; 8. motor. DETAILED DESCRIPTION

[0026] In order to make the present invention clearer and more understandable, the technical solution of the present invention is further described in detail below in combination with the accompanying drawings and embodiments. It should be understood that the given embodiment is only one of the implementation methods and does not represent all embodiments.

[0027] In this article, the terms "inside" and "outside" are established based on the positional relationship shown in the drawings. Depending on the different drawings, the corresponding positional relationship may also change accordingly. Therefore, they cannot be understood as an absolute limitation on the scope of protection.

[0028] Combined with Figure 1 -Attached Figure 7 , a microreactor anti-blocking device, comprising an outer shell 1, a filter cartridge 2 and a liquid inlet cover 5, wherein one end of the outer shell 1 is provided with a liquid outlet 11, and the liquid outlet 11 is connected to a first electromagnetic valve. Specifically, the liquid outlet 11 is a tubular structure, and the liquid outlet 11 is connected to the microreactor input end through the first electromagnetic valve;

[0029] The outer shell 1 and the filter cartridge 2 are both cylindrical structures with one end open, the liquid outlet 11 is arranged at the end of the outer shell 1 away from the opening of the outer shell 1, the filter cartridge 2 is arranged in the outer shell 1, the open end of the filter cartridge 2 and the open end of the outer shell 1 are located at the same end, the bottom of the outer shell 1 is provided with a first row of waste ports 12, the filter cartridge 2 is provided with a second row of waste ports 21 connected to the first row of waste ports 12, the second row of waste ports 21 is connected to a second electromagnetic valve 7, the outer wall of the filter cartridge 2 is fitted with the inner wall of the outer shell 1, after the filter cartridge 2 is installed in the outer shell 1, the first row of waste ports 12 and the second row of waste ports 21 are located at corresponding positions, the outer wall of the filter cartridge 2 is fitted with the inner wall of the outer shell 1, which can prevent large particles from entering between the filter cartridge 2 and the outer shell 1, so that they can be discharged from the first row of waste ports 12 and the second row of waste ports 21, preventing large particles from entering the microreactor from the liquid outlet 11;

[0030] The liquid inlet cover 5 is installed at one end of the outer shell 1 away from the liquid outlet 11 . The liquid inlet cover 5 is provided with a liquid inlet pipe opening 54 , and the liquid inlet pipe opening 54 is communicated with the filter cartridge 2 .

[0031] Specifically, a cleaning mechanism 4 is provided in the filter cartridge 2, and the cleaning mechanism 4 includes a gear ring 41, a gear 42, a first cleaning brush 43 and a second cleaning brush 44. The gear ring 41 is rotatably mounted in the liquid inlet cover 5, one end of the first cleaning brush 43 is fixed to a side of the gear ring 41 away from the liquid inlet cover 5, and the other end of the first cleaning brush 43 extends toward the liquid outlet 11. The first cleaning brush 43 contacts the inner wall of the filter cartridge 2, and the first cleaning brush 43 is used to clean the circumferential inner wall of the filter cartridge 2. The second cleaning brush 44 is parallel to the diameter of the filter cartridge 2 in length. The second cleaning brush 44 is fixedly connected to the first cleaning brush 43, the second cleaning brush 44 contacts the inner wall of the end of the filter cartridge 2 close to the liquid outlet 11, and the second cleaning brush 44 is used to clean the inner wall of the closed end of the filter cartridge 2; more specifically, the first cleaning brush 43 includes a first mounting rod and first flexible bristles mounted on the outer wall of the first mounting rod, the first flexible bristles contact the inner wall of the filter cartridge 2, the second cleaning brush 44 includes a second mounting rod and second flexible bristles mounted on the outer wall of the second mounting rod, the second flexible bristles contact the inner wall of the filter cartridge 2;

[0032] The gear 42 is meshed with the gear ring 41 . A motor 8 is fixed to the outside of the liquid inlet cover 5 , and an output end of the motor 8 is connected to the gear 42 .

[0033] Specifically, four first cleaning brushes 43 are provided, and the four first cleaning brushes 43 are evenly arranged along the circumference of the ring gear 41 . There are two second cleaning brushes 44 , and the two second cleaning brushes 44 are arranged in a cross shape. The four ends of the two second cleaning brushes 44 are respectively fixedly connected to a first cleaning brush 43 .

[0034] During cleaning, the motor 8 drives the gear 42 to rotate, the gear 42 drives the ring gear 41 to rotate, and the ring gear 41 drives the first cleaning brush 43 and the second cleaning brush 44 to rotate, thereby cleaning the inner wall of the filter cartridge 2.

[0035] Specifically, a fixed cover 3 is fixed between the liquid inlet cover 5 and the outer shell 1, and the fixed cover 3 includes a first cover 31, and the first cover 31 is provided with a liquid inlet through hole connected to the filter cartridge 2, one end of the first cover 31 is fixed to the outer shell 1, and the other end of the first cover 31 is provided with a first mounting groove 32, and the first mounting groove 32 is located on the outer peripheral side of the liquid inlet through hole;

[0036] The liquid inlet cover 5 includes a second cover body 51, one end of the second cover body 51 is connected to one end of the first cover body 31 provided with a first mounting groove 32, the liquid inlet pipe port 54 is located at the other end of the second cover body 51, a mounting protrusion 52 is provided at the connecting end of the second cover body 51 and the first cover body 31, and a second mounting groove 53 is provided on the outer peripheral side of the mounting protrusion 52, after the first cover body 31 and the second cover body 51 are connected, the second mounting groove 53 and the first mounting groove 32 form a mounting groove;

[0037] The gear ring 41 is sleeved on the outer wall of the mounting protrusion 52, the gear ring 41 is rotatably connected to the mounting protrusion 52, and the gear ring 41 and the gear 42 are located in the mounting groove. The second mounting groove 53 of the liquid inlet cover 5 and the first mounting groove 32 of the fixed cover 3 provide installation space and working space for the gear 42 and the gear ring 41, and the liquid inlet cover 5 and the fixed cover 3 can be disassembled, which is convenient for maintenance of the cleaning mechanism 4.

[0038] Specifically, a first mounting flange is provided at one end of the outer shell 1 away from the liquid outlet 11, a second mounting flange is provided at the open end of the filter cartridge 2, and a third mounting flange is provided at one end of the first cover body 31 close to the outer shell 1. The first mounting flange, the second mounting flange and the third mounting flange cooperate with each other, and the second mounting flange is located between the first mounting flange and the third mounting flange. During installation, the three mounting flanges are fixed by bolts, so that the fixed cover 3, the filter cartridge 2 and the outer shell are fixed as a whole.

[0039] Specifically, the first waste outlet 12 is connected to a waste storage box 6 via a second electromagnetic valve 7, and the waste storage box 6 can be used to temporarily store waste materials and waste liquids generated by cleaning or filtering.

[0040] Specifically, the first row of waste ports 12 is a tubular structure extending away from the outer shell 1, the second row of waste ports 21 is a tubular structure extending away from the filter cartridge 2, the outer diameter of the second row of waste ports 21 is consistent with the inner diameter of the first row of waste ports 12, the second row of waste ports 21 is located inside the first row of waste ports 12, and the tubular second row of waste ports 21 is made of rubber. When the filter cartridge 2 is installed, the tubular second row of waste ports 21 will contact the inner wall of the outer shell 1 before reaching the first row of waste ports 12, and the rubber second row of waste ports 21 can be squeezed and contracted by the outer shell 1 to avoid interference with the outer shell 1, thereby facilitating the installation of the filter cartridge 2. At the same time, the rubber material can play a sealing role to further prevent particulate material from entering between the filter cartridge 2 and the outer shell 1.

[0041] Installation process: place the filter cartridge 2 in the outer shell 1, and then fix the fixing cover 3, the filter cartridge 2 and the outer shell 1 together; install the gear ring 41 of the cleaning mechanism 4 on the mounting protrusion 52 of the liquid inlet cover 5 through the bearing. When installing the liquid inlet cover 5, first extend the cleaning mechanism 4 into the filter cartridge 2, and then fix the liquid inlet cover 5 to the fixing cover 3; finally, connect the waste storage box 6 to the outer shell 1 to complete the installation of the device.

[0042] Usage process: connect the liquid outlet 11 to the input end of the microreactor, open the first electromagnetic valve, close the second electromagnetic valve 7, and the reaction solution enters the filter cartridge 2 from the liquid inlet pipe port 54. After being filtered by the filter cartridge 2, it enters the microreactor from the liquid outlet 11 for reaction; when cleaning is required, close the first electromagnetic valve, open the second electromagnetic valve 7, start the cleaning mechanism 4, clean the filter residue and other waste materials in the filter cartridge 2 from the inner wall of the filter cartridge 2, and discharge the waste materials from the waste outlet. Water can also be injected into the filter cartridge 2 from the liquid inlet pipe port 54 to use water for cleaning.

[0043] Although embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A microreactor anti-blocking device, characterized in that: The invention comprises an outer shell (1), a filter cartridge (2) and a liquid inlet cover (5), wherein one end of the outer shell (1) is provided with a liquid outlet (11), the liquid outlet (11) being connected to a first electromagnetic valve, a first row of waste ports (12) being provided at the bottom of the outer shell (1), the filter cartridge (2) being arranged in the outer shell (1), the open end of the filter cartridge (2) being located at an end of the outer shell (1) away from the liquid outlet (11), a second row of waste ports (21) being provided on the filter cartridge (2) and being connected to the first row of waste ports (12), the second row of waste ports (21) being connected to a second electromagnetic valve (7), the outer wall of the filter cartridge (2) being in contact with the inner wall of the outer shell (1), the liquid inlet cover (5) being mounted at an end of the outer shell (1) away from the liquid outlet (11), the liquid inlet cover (5) being provided with a liquid inlet pipe opening (54), the liquid inlet pipe opening (54) being connected to the filter cartridge (2).

2. The microreactor anti-blocking device according to claim 1, characterized in that: A cleaning mechanism (4) is provided in the filter cartridge (2), the cleaning mechanism (4) comprising a gear ring (41), a gear (42), a first cleaning brush (43) and a second cleaning brush (44); the gear ring (41) is rotatably mounted in the liquid inlet cover (5); one end of the first cleaning brush (43) is fixed to a side of the gear ring (41) away from the liquid inlet cover (5); the other end of the first cleaning brush (43) extends toward the liquid outlet (11); the first cleaning brush (43) contacts the inner wall of the filter cartridge (2); the length direction of the second cleaning brush (44) is consistent with the radial direction of the filter cartridge (2); the second cleaning brush (44) is fixedly connected to the first cleaning brush (43); and the second cleaning brush (44) contacts the inner wall of the filter cartridge (2) at one end close to the liquid outlet (11); The gear (42) is meshed with the gear ring (41); a motor (8) is fixed to the outside of the liquid inlet cover (5); and an output end of the motor (8) is connected to the gear (42).

3. The microreactor anti-blocking device according to claim 2, characterized in that: A fixed cover (3) is fixed between the liquid inlet cover (5) and the outer shell (1), the fixed cover (3) comprising a first cover body (31), the first cover body (31) being provided with a liquid inlet through hole communicating with the filter cartridge (2), one end of the first cover body (31) being fixed to the outer shell (1), and the other end of the first cover body (31) being provided with a first mounting groove (32), the first mounting groove (32) being located on the outer peripheral side of the liquid inlet through hole; The liquid inlet cover (5) comprises a second cover body (51), one end of the second cover body (51) is connected to one end of the first cover body (31) provided with a first mounting groove (32), the liquid inlet pipe opening (54) is located at the other end of the second cover body (51), a mounting protrusion (52) is provided at the connecting end of the second cover body (51) and the first cover body (31), a second mounting groove (53) is provided on the outer peripheral side of the mounting protrusion (52), and after the first cover body (31) and the second cover body (51) are connected, the second mounting groove (53) and the first mounting groove (32) form a mounting groove; The gear ring (41) is sleeved on the outer wall of the mounting protrusion (52), the gear ring (41) is rotatably connected to the mounting protrusion (52), and the gear ring (41) and the gear (42) are located in the mounting groove.

4. The microreactor anti-blocking device according to claim 3, characterized in that: A first mounting flange is provided at one end of the outer shell (1) away from the liquid outlet (11), a second mounting flange is provided at the open end of the filter cartridge (2), and a third mounting flange is provided at one end of the first cover (31) close to the outer shell (1). The first mounting flange, the second mounting flange and the third mounting flange cooperate with each other, and the second mounting flange is located between the first mounting flange and the third mounting flange.

5. The microreactor anti-blocking device according to claim 1, characterized in that: The first waste outlet (12) is connected to a waste storage box (6) via a second electromagnetic valve (7).

6. The microreactor anti-blocking device according to claim 1 or 5, characterized in that: The first row of waste ports (12) is a tubular structure extending in a direction away from the outer shell (1), and the second row of waste ports (21) is a tubular structure extending in a direction away from the filter cartridge (2). The outer diameter of the second row of waste ports (21) is consistent with the inner diameter of the first row of waste ports (12), and the second row of waste ports (21) is located inside the first row of waste ports (12).

7. The microreactor anti-blocking device according to claim 6, characterized in that: The second row of tubular waste ports (21) are made of rubber.