Microfluid circulation mixed reactor

By designing a cyclic mixing and stirring mechanism in the microfluidic reactor, the problem of uneven mixing of materials is solved and the product yield is stabilized.

CN222872180UActive Publication Date: 2025-05-16MICROCHEM (DALIAN) CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421677190.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-05-16
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The material mixing in existing microfluidic reactors is uneven, resulting in unstable product yields.

Method used

A microfluidic cyclic mixing reactor is designed to realize cyclic mixing and stirring of materials by installing mixing components and driving components in the reaction cylinder.

Benefits of technology

The uniform mixing of materials is achieved, ensuring the stability of product yield.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222872180U_ABST
    Figure CN222872180U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of reactors, in particular to a microfluid circulation mixing type reactor which is used for circularly mixing and stirring materials, so that the materials are uniformly mixed, and the stability of the product yield is ensured. Comprising a machine body, a mounting groove is formed in the top of the machine body, a reaction cylinder is mounted in the mounting groove of the machine body, a mixing assembly is mounted in the reaction cylinder and comprises a rotating sleeve, a bearing, an outer cylinder, an inner cylinder and an annular baffle, a driving cavity is formed in the bottom of the machine body, and a driving assembly is mounted in the driving cavity; the driving assembly is connected with the input end of the mixing assembly, and the top end of the machine body is provided with a covering assembly for sealing the interior of the reaction cylinder.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of reactors, in particular to a microfluid circulation mixing reactor. Background Art

[0002] The sufficient mixing of reactants is an important factor for efficient chemical reaction, especially in small-dose chemical analysis applications, where complete quantitative mixing is a determining factor related to analytical accuracy. A microfluidic reactor proposed by prior art publication number CN102698672B comprises a base, a reaction pool plate, a glass slide, a rubber ring and a screw cap. The base, the reaction pool plate and the glass slide together form a complete reaction chamber, and the reaction chamber is sealed by the rubber ring buffering and the screw cap is pressed horizontally on the glass slide. However, the materials are unevenly mixed at the microscopic level, making the product yield unstable. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a microfluidic circulating mixing reactor which can circulate, mix and stir materials to make the materials evenly mixed and ensure the stability of product yield.

[0004] The utility model discloses a microfluid circulation mixing reactor, comprising a body, a mounting groove is provided on the top of the body, a reaction cylinder is installed in the mounting groove of the body, a mixing component is installed inside the reaction cylinder, a driving cavity is provided at the bottom of the body, a driving component is installed in the driving cavity, the driving component is connected with the input end of the mixing component, and a cover component is installed on the top of the body to seal the inside of the reaction cylinder; materials are added into the reaction cylinder, the reaction cylinder is placed in the mounting groove on the top of the body, the mixing component is connected with the driving component, the mixing component is driven to rotate in the reaction cylinder by the driving component, the materials are circulated, mixed and stirred, the materials are mixed evenly, and the stability of the product yield is guaranteed.

[0005] Preferably, the mixing assembly includes a rotating sleeve, a bearing, an outer cylinder, an inner cylinder and an annular baffle, the rotating sleeve is rotatably mounted on the bottom of the reaction cylinder through the bearing, the upper outer edge of the outer cylinder is fixedly mounted on the upper inner wall of the reaction cylinder, an annular baffle is fixedly mounted on the upper part of the outer cylinder, the lower part of the outer cylinder is rotatably connected to the upper part of the rotating sleeve, the top of the rotating sleeve is fixedly connected to the inner cylinder, and a plurality of groups of through holes are evenly arranged on the lower part of the inner cylinder; the materials are respectively placed in the inner cylinder and the outer cylinder, the inner cylinder rotates at a high speed to disperse the materials outward, the materials can be guided and blocked by the annular baffle, so that the materials fall into the outer cylinder, the materials are mixed, and the lower materials re-enter the inner cylinder through the through holes, so that the materials are circulated and mixed, thereby ensuring the stability of the product yield.

[0006] Preferably, the driving assembly includes a transmission, a driving motor, a rotating shaft and a connecting column. The transmission is fixedly installed in the driving cavity. The input end of the transmission is connected to the output end of the driving motor. The output end of the transmission is connected to the rotating shaft. The rotating shaft rotates through the driving cavity and is installed with a connecting column. A positioning slot matching the connecting column is provided at the bottom of the rotating sleeve. When the reaction cylinder is placed in the installation groove, the rotating sleeve is driven to insert into the connecting column, and the driving motor is started to drive the rotating shaft to rotate through the transmission. The rotating shaft provides power to the inner cylinder through the connecting column, so that the inner cylinder rotates at high speed.

[0007] Preferably, a heating chamber is opened at the upper part of the machine body, a heating wire is installed in the heating chamber, and an inner wall of the heating chamber close to one end of the reaction tube is set as a heat conduction plate; the heating wire is started to heat, the inside of the reaction tube is heated, and the required temperature is provided for the mixing process, which is convenient to use.

[0008] Preferably, the cover assembly includes a cover plate, two fixing seats, two threaded rods, two arc-shaped clamping plates, two groups of support plates and two groups of guide slide bars, the cover plate is mounted on the top of the machine body, the fixing seats are fixedly mounted on the left and right sides of the top of the machine body, the threaded rods are screwed on the fixing seats, the ends of the two threaded rods that are close to each other are rotatably mounted with arc-shaped clamping plates, the arc-shaped clamping plates are clamped on the left and right sides of the cover plate, the front and rear ends of the fixing seats are fixedly mounted with support plates, the support plates are slidably mounted with guide slide bars, and the guide slide bars are fixedly connected to the outer walls of the arc-shaped clamping plates; after the reaction cylinder is placed in the mounting groove inside the machine body, the cover plate is mounted on the top of the machine body, the threaded rods are rotated to push the two arc-shaped clamping plates closer to each other, the left and right ends of the cover plate are limited and fixed, and when the arc-shaped clamping plates move, they drive the guide slide bars to slide on the support plates, guide and support them, and ensure stability.

[0009] Preferably, an annular sealing groove is provided on the top of the body, a sealing ring matching the annular sealing groove is installed on the bottom of the cover plate, and handles are installed on the left and right ends of the top of the cover plate; the handles facilitate the operation of taking the cover plate, and the sealing ring and the annular sealing groove cooperate to increase the sealing effect on the inside of the reaction cylinder to ensure the mixing effect.

[0010] Preferably, adjustable bases are installed at the four corners of the bottom of the body, and a level bubble is installed at the left end of the bottom of the body; the body is supported by the adjustable base to facilitate leveling of the body, and the level bubble is used to intuitively display the horizontal state, thereby improving convenience during adjustment.

[0011] Compared with the prior art, the utility model has the following beneficial effects: adding materials into the reaction cylinder, placing the reaction cylinder into the mounting groove on the top of the machine body, connecting the mixing assembly with the driving assembly, driving the mixing assembly to rotate in the reaction cylinder through the driving assembly, circulating and mixing the materials, making the materials evenly mixed, and ensuring the stability of the product yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the structure of the utility model viewed from above;

[0015] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a schematic diagram of the lower cross-sectional structure of the utility model;

[0017] Markings in the attached drawings: 1. body; 2. reaction cylinder; 3. rotating sleeve; 4. bearing; 5. outer cylinder; 6. transmission; 7. driving motor; 8. rotating shaft; 9. connecting column; 10. inner cylinder; 11. annular baffle; 12. cover plate; 13. fixing seat; 14. threaded rod; 15. arc-shaped clamping plate; 16. supporting plate; 17. guide slide rod; 18. heating wire; 19. sealing ring; 20. handle; 21. adjustable base; 22. level bubble. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] like Figures 1 to 5As shown, a mounting groove is provided on the top of the machine body 1, a reaction tube 2 is installed in the mounting groove of the machine body 1, a driving cavity is provided at the bottom of the machine body 1, a rotating sleeve 3 is rotatably installed at the bottom of the reaction tube 2 through a bearing 4, an upper outer edge of an outer tube 5 is fixedly installed on the upper inner wall of the reaction tube 2, an annular baffle 11 is fixedly installed on the upper part of the outer tube 5, the lower part of the outer tube 5 is rotatably connected to the upper part of the rotating sleeve 3, an inner tube 10 is fixedly connected to the top of the rotating sleeve 3, a plurality of through holes are evenly provided on the lower part of the inner tube 10, a transmission 6 is fixedly installed in the driving cavity, an input end of the transmission 6 is connected to an output end of a driving motor 7, a rotating shaft 8 is connected to the output end of the transmission 6, a connecting column 9 is installed in the rotating shaft 8 that rotates through the driving cavity, a positioning slot matching the connecting column 9 is provided at the bottom of the rotating sleeve 3, a heating cavity is provided at the upper part of the machine body 1, a heating wire 18 is installed in the heating cavity Inside, the inner wall of the heating chamber is arranged as a heat conducting plate at one end close to the reaction cylinder 2, the cover plate 12 is covered on the top of the machine body 1, the left and right sides of the top of the machine body 1 are fixedly installed with a fixing seat 13, the threaded rod 14 is screwed on the fixing seat 13, the ends of the two threaded rods 14 close to each other are rotatably installed with an arc-shaped card plate 15, the arc-shaped card plate 15 is card-mounted on the left and right sides of the cover plate 12, the front and rear ends of the fixing seat 13 are fixedly installed with a supporting plate 16, the supporting plate 16 is slidably installed with a guide slide bar 17, the guide slide bar 17 is fixedly connected with the outer wall of the arc-shaped card plate 15, an annular sealing groove is provided on the top of the machine body 1, a sealing ring 19 matching the annular sealing groove is provided at the bottom of the cover plate 12, handles 20 are provided at the left and right ends of the top of the cover plate 12, an adjustable base 21 is provided at the four corners of the bottom of the machine body 1, and a level bubble 22 is provided at the left end of the bottom of the machine body 1;

[0020] The machine body 1 is supported by an adjustable base 21, so that the machine body 1 can be adjusted horizontally. The horizontal bubble 22 is used to visually display the horizontal state, which improves the convenience of adjustment. The materials are placed in the inner cylinder 10 and the outer cylinder 5 respectively. When the reaction cylinder 2 is placed in the installation groove, the rotating sleeve 3 is driven to be inserted into the connecting column 9, and the driving motor 7 is started to drive the rotating shaft 8 to rotate through the transmission 6. The rotating shaft 8 provides power to the inner cylinder 10 through the connecting column 9, so that the inner cylinder 10 rotates at a high speed. The inner cylinder 10 rotates at a high speed to disperse the materials outward. The annular baffle 11 can guide and block the materials, so that the materials fall into the outer cylinder 5, so that the materials are mixed, and the lower materials re-enter the inner cylinder 10 through the through hole, so that the materials circulate. Annular mixing to ensure the stability of product yield, start the heating wire 18 for heating, heat the inside of the reaction tube 2, provide the required temperature for the mixing process, and facilitate use. After the reaction tube 2 is placed in the installation groove inside the body 1, the cover plate 12 is installed on the top of the body 1, and the threaded rod 14 is rotated to push the two arc-shaped clamping plates 15 closer to each other, and the left and right ends of the cover plate 12 are limited and fixed. When the arc-shaped clamping plate 15 moves, it drives the guide slide bar 17 to slide on the support plate 16 to guide and support it to ensure stability. The handle 20 is used to facilitate the removal operation of the cover plate 12. The sealing effect of the inside of the reaction tube 2 is increased through the cooperation of the sealing ring 19 and the annular sealing groove to ensure the mixing effect.

[0021] like Figures 1 to 5 As shown, a microfluid circulation mixing reactor of the utility model supports the body 1 through the adjustable base 21 during operation, so as to adjust the level of the body 1, put the materials into the inner cylinder 10 and the outer cylinder 5 respectively, and drive the rotating sleeve 3 to be inserted into the connecting column 9 when the reaction cylinder 2 is put into the installation groove, and install the cover plate 12 on the top of the body 1, and rotate the threaded rod 14 to push the two arc-shaped clamping plates 15 to approach each other, and limit and fix the left and right ends of the cover plate 12, and drive the guide slide rod 17 to slide on the support plate 16 when the arc-shaped clamping plate 15 moves. Provide guidance and support for it, start the driving motor 7 to drive the rotating shaft 8 to rotate through the transmission 6, the rotating shaft 8 provides power to the inner cylinder 10 through the connecting column 9, so that the inner cylinder 10 rotates at high speed, and the inner cylinder 10 rotates at high speed to disperse the material outward, and the annular baffle 11 can guide and block the material, so that the material falls into the outer cylinder 5, and the material is mixed. The lower material re-enters the inner cylinder 10 through the through hole, so that the material is circulated and mixed, and the heating wire 18 is started for heating, and the temperature inside the reaction cylinder 2 is increased to provide the required temperature for the mixing process.

[0022] The transmission 6, drive motor 7 and heating wire 18 of the microfluidic circulating mixing reactor of the utility model are purchased on the market, and technicians in the 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 principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A microfluidic circulating mixing reactor, characterized in that: The invention comprises a machine body (1), wherein a mounting groove is provided at the top of the machine body (1), a reaction tube (2) is installed in the mounting groove of the machine body (1), a mixing assembly is installed inside the reaction tube (2), a driving cavity is provided at the bottom of the machine body (1), a driving assembly is installed in the driving cavity, the driving assembly is connected to the input end of the mixing assembly, and a cover assembly is installed at the top of the machine body (1) to seal the inside of the reaction tube (2).

2. A microfluidic circulating mixing reactor as claimed in claim 1, characterized in that: The mixing assembly comprises a rotating sleeve (3), a bearing (4), an outer cylinder (5), an inner cylinder (10) and an annular baffle (11); the rotating sleeve (3) is rotatably mounted on the bottom of a reaction cylinder (2) via the bearing (4); the outer edge of the upper portion of the outer cylinder (5) is fixedly mounted on the upper portion of the inner wall of the reaction cylinder (2); the upper portion of the outer cylinder (5) is fixedly mounted with an annular baffle (11); the lower portion of the outer cylinder (5) is rotatably connected to the upper portion of the rotating sleeve (3); the top of the rotating sleeve (3) is fixedly connected with the inner cylinder (10); and the lower portion of the inner cylinder (10) is evenly provided with a plurality of through holes.

3. A microfluidic circulating mixing reactor as claimed in claim 2, characterized in that: The driving assembly comprises a transmission (6), a driving motor (7), a rotating shaft (8) and a connecting column (9); the transmission (6) is fixedly installed in the driving cavity; the input end of the transmission (6) is connected to the output end of the driving motor (7); the output end of the transmission (6) is connected to the rotating shaft (8); the rotating shaft (8) rotates through the driving cavity and is installed with the connecting column (9); and a positioning slot matching the connecting column (9) is provided at the bottom of the rotating sleeve (3).

4. A microfluidic circulating mixing reactor as claimed in claim 1, characterized in that: A heating chamber is provided at the upper part of the machine body (1), a heating wire (18) is installed in the heating chamber, and an inner wall of the heating chamber close to one end of the reaction cylinder (2) is provided as a heat conducting plate.

5. A microfluidic circulating mixing reactor as claimed in claim 1, characterized in that: The cover assembly comprises a cover plate (12), two fixing seats (13), two threaded rods (14), two arc-shaped clamping plates (15), two groups of support plates (16) and two groups of guide slide bars (17). The cover plate (12) is mounted on the top of the machine body (1). The fixing seats (13) are fixedly mounted on the left and right sides of the top of the machine body (1). The threaded rods (14) are screwed on the fixing seats (13). The arc-shaped clamping plates (15) are rotatably mounted on the ends of the two threaded rods (14) that are close to each other. The arc-shaped clamping plates (15) are clamped on the left and right sides of the cover plate (12). The front and rear ends of the fixing seats (13) are fixedly mounted with support plates (16). The support plates (16) are slidably mounted with guide slide bars (17). The guide slide bars (17) are fixedly connected to the outer walls of the arc-shaped clamping plates (15).

6. A microfluidic circulating mixing reactor as claimed in claim 5, characterized in that: The top of the machine body (1) is provided with an annular sealing groove, the bottom of the cover plate (12) is provided with a sealing ring (19) matching the annular sealing groove, and handles (20) are provided at the left and right ends of the top of the cover plate (12).

7. A microfluidic circulating mixing reactor as claimed in claim 1, characterized in that: Adjustable bases (21) are installed at the four corners of the bottom of the machine body (1), and a level bubble (22) is installed at the left end of the bottom of the machine body (1).

Citation Information

Patent Citations

  • Microfluidic reactor

    CN102698672B