Large micro-channel reaction kettle

By setting up a liquid extraction tube, a four-way tube, a liquid pump and a premix box in a large microflower reactor, the problem of low silver solution concentration at the bottom of the reactor is solved, and the silver ion concentration is uniformized, and product quality and production efficiency are improved.

CN222658631UActive Publication Date: 2025-03-25FUJIAN UNIV OF TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421403203.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-03-25
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

In existing large microflower reactors, the concentration of silver solution at the bottom of the reactor is usually lower than the concentration at the dropping position, resulting in the product quality being affected.

Method used

A large microflower reactor was designed. By setting up a liquid extraction tube, a four-way tube, a liquid pump and a connecting tube in the reaction kettle, the reaction reducing liquid with a low silver ion concentration at the bottom was extracted and mixed with the silver raw solution to be dripped, so as to achieve uniformization of the silver ion concentration through a premix box and a stirring plate.

Benefits of technology

By uniformizing the silver ion concentration in the reactor, the adverse effects on the product are reduced, and the production efficiency and product quality are improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222658631U_ABST
    Figure CN222658631U_ABST
Patent Text Reader

Abstract

The utility model provides a large-scale micro-channel reaction kettle, which relates to the technical field of reaction kettles and comprises a reaction kettle body, three liquid extraction pipes are arranged in the reaction kettle body at equal intervals, the tops of the liquid extraction pipes penetrate through the inner wall of the top of the reaction kettle body and are fixedly connected with the reaction kettle body, and a four-way pipe is arranged above the reaction kettle body. One end of each liquid pumping pipe is fixedly communicated with one end of a four-way pipe, and the top of the reaction kettle body is fixedly connected with a liquid pump. In the reaction process, reaction reduction liquid with low silver ion concentration at the bottom is pumped out through the liquid pumping pipe, the four-way pipe, the liquid pump and the connecting pipe and enters the premixing box, and at the moment, the reduction liquid in the premixing box can be mixed with a silver raw solution to be dropped, so that the silver ion concentration of the solution dropped into the reaction kettle body is reduced; and the effect that the silver ion concentration of the solution in the reaction kettle is as uniform as possible can be achieved, so that the effect of reducing the adverse effect on the product can be achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of reaction kettles, in particular to a large-scale microchannel reaction kettle. Background Art

[0002] A large-scale microfluidic reactor is a device for chemical reactions that combines the features of microfluidics and traditional reactors. It applies microfluidic technology to large-scale chemical reactions, achieving efficient reactions, precise control, and scalability.

[0003] The reactor for producing silver powder on the existing production line is huge in size. The concentration of the silver solution dripped into the reactor usually varies greatly in the reactor, and the concentration of the silver solution at the bottom of the reactor is usually lower than the concentration of the silver solution at the dripping position in the reactor, which can easily cause a certain impact on the products after production. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the concentration of the original silver solution at the bottom of the reactor is usually lower than the concentration of the original silver solution at the dripping position in the reactor, and proposes a large-scale microchannel reactor.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a large-scale microfluidic reactor, comprising a reactor body, three liquid extraction tubes are arranged at equal intervals inside the reactor body, the top of the liquid extraction tube passes through the inner wall of the top of the reactor body and is fixedly connected thereto, a four-way tube is arranged above the reactor body, one end of the liquid extraction tube is fixedly connected to one end of the four-way tube, a liquid pump is fixedly connected to the top of the reactor body, the liquid extraction end of the liquid pump is fixedly connected to one end of the four-way tube, the output end of the liquid pump is fixed and connected with a connecting pipe, a premixing box is fixed on the top of the reactor body, the other end of the connecting pipe is connected to the premixing box, a liquid inlet hole is opened on the top of the reactor body and located at the premixing box, a rotating rod is arranged inside the premixing box, and a stirring plate is sleeved and fixedly connected on the surface of the rotating rod at equal intervals.

[0006] Preferably, support legs are fixedly connected to the bottom of the reactor body and close to the edge at equal intervals, and support blocks are fixedly connected to the bottoms of the support legs.

[0007] Preferably, a liquid inlet pipe is fixedly connected to the inside of the liquid inlet hole, and a first magnetic valve is installed inside the top inner wall of the reactor body and close to the liquid inlet hole.

[0008] Preferably, the top of the rotating rod passes through the top inner wall of the premixing box and is rotatably connected to its bearing, the top of the premixing box is fixedly connected to a driving motor, and the output end of the driving motor is fixedly connected to the top of the rotating rod.

[0009] Preferably, a liquid inlet cylinder is fixed on the top of the premixing box and connected to it, a liquid discharge pipe is fixed on the surface of the reactor body and close to the bottom and connected to it, and a second magnetic valve is installed on the surface of the liquid discharge pipe.

[0010] Preferably, a control panel is fixedly connected to the surface of the reactor body.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, during the reaction process, the reaction reduction liquid with a low silver ion concentration at the bottom is extracted through the liquid extraction pipe, the four-way pipe, the liquid pump and the connecting pipe and enters the premixing box. At this time, the reduction liquid in the premixing box can be mixed with the original silver solution to be dripped, so that the silver ion concentration of the solution dripped into the reactor body is reduced, which can make the silver ion concentration of the solution in the reactor as uniform as possible, thereby reducing the adverse effects on the product.

[0013] 2. In the utility model, the driving motor drives the rotating rod to rotate, and the rotation of the rotating rod drives the stirring plate to rotate, which can play the role of accelerating the mixing efficiency of the stirring plate, thereby achieving the effect of improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional diagram of the overall structure of a large-scale microfluidic reactor;

[0015] Figure 2 The utility model provides a cross-sectional view of the overall structure of a large-scale microfluidic reactor;

[0016] Figure 3 The utility model provides a partial structural stereogram of a large-scale microfluidic channel reactor.

[0017] Legend: 1. Reactor body; 2. Support legs; 3. Support blocks; 4. Liquid extraction tube; 5. Four-way tube; 6. Liquid pump; 7. Connecting tube; 8. Premixing box; 9. Liquid inlet hole; 10. Liquid inlet tube; 11. Rotating rod; 12. Stirring plate; 13. First magnetic valve; 14. Driving motor; 15. Liquid inlet cylinder; 16. Control panel; 17. Liquid discharge tube; 18. Second magnetic valve. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0020] Embodiment 1, as Figure 1-3 As shown, the utility model provides a large-scale microfluidic reactor, including a reactor body 1, three liquid extraction tubes 4 are evenly spaced inside the reactor body 1, the top of the liquid extraction tube 4 passes through the top inner wall of the reactor body 1 and is fixedly connected thereto, a four-way tube 5 is provided above the reactor body 1, one end of the liquid extraction tube 4 is fixedly connected to one end of the four-way tube 5, a liquid pump 6 is fixedly connected to the top of the reactor body 1, the liquid extraction end of the liquid pump 6 is fixedly connected to one end of the four-way tube 5, the output end of the liquid pump 6 is fixedly connected and connected to a connecting tube 7, a premixing box 8 is fixed on the top of the reactor body 1, the other end of the connecting tube 7 is connected to the premixing box 8, a liquid inlet hole 9 is provided at the top of the reactor body 1 and located at the premixing box 8, a rotating rod 11 is provided inside the premixing box 8, and a stirring plate 12 is evenly spaced and fixedly connected on the surface of the rotating rod 11.

[0021] The effect achieved by the entire embodiment 1 is that three liquid extraction pipes 4 are arranged at equal intervals inside the reactor body 1, the top of the liquid extraction pipe 4 passes through the top inner wall of the reactor body 1 and is fixedly connected thereto, a four-way pipe 5 is arranged above the reactor body 1, one end of the liquid extraction pipe 4 is fixedly connected to one end of the four-way pipe 5, a liquid pump 6 is fixedly connected to the top of the reactor body 1, the liquid extraction end of the liquid pump 6 is fixedly connected to one end of the four-way pipe 5, the output end of the liquid pump 6 is fixedly connected and connected to a connecting pipe 7, and a premixing box 8 is fixed on the top of the reactor body 1, and a connecting pipe 7 is connected to the top of the reactor body 1. The other end of the connecting pipe 7 is communicated with the premixing box 8, so that the liquid pump 6 can extract the reducing liquid in the reactor body 1 through the four-way pipe 5 and the liquid extraction pipe 4. At this time, the liquid pump 6 can discharge the reducing liquid into the premixing box 8 through the connecting pipe 7. A liquid inlet hole 9 is opened through the top of the reactor body 1 and located at the premixing box 8. A rotating rod 11 is provided inside the premixing box 8. A stirring plate 12 is evenly spaced and fixedly connected on the surface of the rotating rod 11, so that the rotating rod 11 can rotate to drive the stirring plate 12 to rotate and stir the reducing liquid.

[0022] Embodiment 2, as Figure 1-3As shown, the bottom of the reactor body 1 and near the edge are fixedly connected with support legs 2 at equal intervals, and the bottoms of the support legs 2 are fixedly connected with support blocks 3; the inside of the liquid inlet hole 9 is fixedly connected with a liquid inlet pipe 10, and the inside of the top inner wall of the reactor body 1 and near the liquid inlet hole 9 is installed with a first magnetic valve 13; the top of the rotating rod 11 passes through the top inner wall of the premixing box 8 and is rotatably connected with its bearing, the top of the premixing box 8 is fixedly connected with a drive motor 14, and the output end of the drive motor 14 is fixedly connected to the top of the rotating rod 11; the top of the premixing box 8 is fixedly connected with a liquid inlet cylinder 15, and the surface of the reactor body 1 and near the bottom is fixedly connected with a drain pipe 17, and the surface of the drain pipe 17 is installed with a second magnetic valve 18; the surface of the reactor body 1 is fixedly connected with a control panel 16.

[0023] The effect achieved by the entire embodiment 2 is that the support legs 2 are fixedly connected at equal intervals through the bottom of the reactor body 1 and near the edge, and the bottoms of the support legs 2 are fixedly connected with support blocks 3, which can play the effect of supporting the bottom of the reactor body 1; the liquid inlet pipe 10 is fixedly connected through the inside of the liquid inlet hole 9, and the first magnetic valve 13 is installed inside the top inner wall of the reactor body 1 and near the side of the liquid inlet hole 9, which can play the effect of enabling the first magnetic valve 13 to control the liquid inlet switch of the liquid inlet pipe 10; the top of the rotating rod 11 passes through the top inner wall of the premixing box 8 and is rotatably connected to its bearing, and the top of the premixing box 8 is fixedly connected A driving motor 14 is connected, and the output end of the driving motor 14 is fixedly connected to the top of the rotating rod 11, so that the driving motor 14 can drive the rotating rod 11 to rotate; a liquid inlet cylinder 15 is fixed and connected through the top of the premixing box 8, and a liquid discharge pipe 17 is fixed and connected to the surface of the reactor body 1 and close to the bottom, and a second magnetic valve 18 is installed on the surface of the liquid discharge pipe 17, which can play the role of liquid intake and discharge, and the liquid discharge switch can be controlled by the second magnetic valve 18; a control panel 16 is fixedly connected through the surface of the reactor body 1, so that the control panel 16 can control the device.

[0024] Working principle: During the reaction of the reactor body 1, the reaction reduction liquid with a low silver ion concentration at the bottom can be extracted by the liquid pump 6 through the liquid extraction pipe 4 and the four-way pipe 5. At this time, the liquid pump 6 will discharge the reduction liquid into the premixing box 8 through the connecting pipe 7. At this time, the driving motor 14 drives the rotating rod 11 to rotate, and the rotation of the rotating rod 11 drives the stirring plate 12 to rotate. At this time, the reduction liquid can be mixed with the original silver solution to be dripped into the reactor to reduce the silver ion concentration of the solution dripped into the reactor, which can make the silver ion concentration of the solution in the reactor body 1 as uniform as possible, thereby reducing its adverse effects on the product.

[0025] The wiring diagram of the reactor body 1, the liquid pump 6, the first magnetic valve 13, the drive motor 14, the control panel 16 and the second magnetic valve 18 in the present invention belongs to the common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use. Therefore, the control method and wiring arrangement of the reactor body 1, the liquid pump 6, the first magnetic valve 13, the drive motor 14, the control panel 16 and the second magnetic valve 18 are no longer explained in detail.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A large-scale microfluidic channel reactor, comprising a reactor body (1), characterized in that: Three liquid extraction pipes (4) are arranged at equal intervals inside the reactor body (1). The top of each liquid extraction pipe (4) passes through the inner wall of the top of the reactor body (1) and is fixedly connected thereto. A four-way pipe (5) is arranged above the reactor body (1). One end of each liquid extraction pipe (4) is fixedly connected to one end of the four-way pipe (5). A liquid pump (6) is fixedly connected to the top of the reactor body (1). The liquid extraction end of the liquid pump (6) is fixedly connected to one end of the four-way pipe (5). The output end of the liquid pump (6) is fixedly connected to and connected with a connecting pipe (7). A premixing box (8) is fixed to the top of the reactor body (1). The other end of the connecting pipe (7) is connected to the premixing box (8). A liquid inlet hole (9) is provided at the top of the reactor body (1) and located at the premixing box (8). A rotating rod (11) is arranged inside the premixing box (8). A stirring plate (12) is sleeved and fixedly connected to the surface of the rotating rod (11) at equal intervals.

2. The large-scale microfluidic channel reactor according to claim 1, characterized in that: Support legs (2) are fixedly connected at equal intervals at the bottom and near the edge of the reactor body (1), and support blocks (3) are fixedly connected at the bottoms of the support legs (2).

3. The large-scale microfluidic channel reactor according to claim 1, characterized in that: The inside of the liquid inlet hole (9) is fixedly connected with a liquid inlet pipe (10), and a first magnetic valve (13) is installed inside the top inner wall of the reactor body (1) and close to the liquid inlet hole (9).

4. The large-scale microfluidic channel reactor according to claim 1, characterized in that: The top of the rotating rod (11) passes through the inner wall of the top of the premixing box (8) and is rotatably connected to its bearing. The top of the premixing box (8) is fixedly connected to a driving motor (14), and the output end of the driving motor (14) is fixedly connected to the top of the rotating rod (11).

5. The large-scale microfluidic channel reactor according to claim 1, characterized in that: A liquid inlet cylinder (15) is fixed on the top of the premixing box (8) and is in communication with the premixing box. A liquid discharge pipe (17) is fixed on the surface of the reactor body (1) and is in communication with the reactor body (1) near the bottom. A second magnetic valve (18) is installed on the surface of the liquid discharge pipe (17).

6. The large-scale microfluidic channel reactor according to claim 1, characterized in that: A control panel (16) is fixedly connected to the surface of the reactor body (1).