Micro-channel reactor with preheating function
By installing a preheating barrel and annular heating pipe at the top of the microchannel reactor, and using support seats to support the heating pipe and water pipe, the problem of insufficient preheating performance of the microchannel reactor is solved, the preheating and cleaning capacity is improved, and the reaction is ensured. Effect.
Patent Information
- Application Number
- CN202421013870.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-11
AI Technical Summary
When temperature control is required for microchannel reactors, the preheating performance is poor, resulting in overcooling of the reactor and substances, affecting the reaction effect.
A microchannel reactor with preheating function is designed. By installing a preheating barrel and annular heating tube at the top of the reactor, the annular heating tube is supported by a second support seat, and power-on-use heating at the wiring port to generate heating to achieve preheating; , the annular water pipe is supported by a first support seat, and the cleaning water is passed in and sprayed evenly through the spray port to clean the inside of the reactor, and the material is diverted and filtered using a split pipe and a filter box.
The preheating capacity, cleaning capacity and shunt processing capacity of the microchannel reactor are improved, ensuring uniform preheating and internal cleaning of the reactor, and avoiding overcooling.
Smart Images
Figure CN222240219U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of excavator support processing, in particular to a microchannel reactor with a preheating function. Background Art
[0002] Microchannel reactor is a miniaturized chemical equipment. This reactor can provide more reaction surface area in the same volume, thereby improving reaction rate and efficiency. Microreactor has excellent heat and mass transfer capabilities, and has the advantages of high efficiency, precision, and controllability. Therefore, it is widely used in the fields of chemistry, biology, and medicine.
[0003] Based on the use of microchannel reactors, microchannel reactors usually need to react within a certain temperature range, so temperature control and adjustment are required. During operation, if its own preheating performance is poor, it is easy for the reactor and the material to be overcooled, which can directly affect the reaction effect. Utility Model Content
[0004] The purpose of the utility model is to provide a microchannel reactor with a preheating function to solve the problem that the microchannel reactor usually needs to react within a certain temperature range, so temperature control and adjustment are required. During operation, if the preheating performance is poor, the reactor and the material may be overcooled, which may directly affect the reaction effect.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a microchannel reactor with a preheating function, comprising a supporting bottom plate, a supporting frame, and a microchannel reactor body, the top of the microchannel reactor body is connected to a reactor inlet, the bottom end of the reactor inlet is connected to a reaction channel, the bottom end of the microchannel reactor body is connected to a mainstream pipe, a preheating cylinder is installed at a position outside the reactor inlet at the top of the microchannel reactor body, one end of the preheating cylinder is connected to a wiring port, a second support seat is installed on the inner wall of the preheating cylinder, and an annular heating tube is installed on the top of the second support seat.
[0006] Preferably, the second support seat is symmetrically distributed about the central axis of the preheating tube, and a slot is provided inside the top end of the second support seat, and the size of the slot is matched with the annular heating tube.
[0007] Preferably, the bottom end of the reactor inlet is interconnected with the interior of the reaction channel, and the bottom end of the main flow pipe is interconnected with the interior of the reaction channel.
[0008] Preferably, a medium outlet is installed at a position close to the bottom end of one side of the microchannel reactor body, and a medium inlet is installed at a position close to the top end of the other side of the microchannel reactor body.
[0009] Preferably, a water inlet is installed at a position close to the top of one side of the microchannel reactor body, one side of the water inlet is connected to an annular water pipe, and a first support seat is installed on the inner wall of the microchannel reactor body.
[0010] Preferably, the inner wall of the annular water pipe is provided with spray ports, the spray ports are evenly distributed on the inner wall of the annular water pipe, and the first support seat is distributed in a ring shape with respect to the center of the annular water pipe.
[0011] Preferably, one side of the bottom end of the main flow pipe is connected to the second diversion pipe, and the other side of the bottom end of the main flow pipe is connected to the first diversion pipe. Valves are installed inside the first diversion pipe and the second diversion pipe, and one side of the first diversion pipe is connected to the filter box.
[0012] Preferably, a first filter screen is installed inside the filter box, an activated carbon layer is connected between the first filter screens, a drain outlet is installed at a position near the bottom end of one side of the filter box, an activated carbon addition port is installed at the top of the filter box, and a slag discharge port is installed at one end of the filter box.
[0013] Compared with the prior art, the utility model has the following beneficial effects: the microchannel reactor with preheating function not only improves the preheating capacity, but also improves the cleaning capacity and discharge capacity of the microchannel reactor;
[0014] (1) The reactor inlet is installed at the top of the microchannel reactor body, and then the material is introduced at the reactor inlet. Then the preheating tube is installed at the top of the microchannel reactor body and located outside the reactor inlet. During operation, the second support seat is used to complete the installation support for the annular heating tube, and the heating is powered on at the wiring port, and then the annular heating tube is heated to complete the preheating work. In this way, during the operation, the annular design of the annular heating tube can fully preheat the periphery of the reactor inlet, so that it has a sufficient preheating effect, thereby improving the overall uniformity and preheating capacity;
[0015] (2) The annular water pipe is supported and installed by using the first support seat, so that the annular water pipe is installed on the inner wall of the microchannel reactor body. Then, after operation, cleaning water is introduced from the water inlet. After the cleaning water passes through the annular water pipe, it is evenly sprayed from the spray port. In this way, the interior of the microchannel reactor body can be fully cleaned during operation, thereby improving the convenience of cleaning;
[0016] (3) The first diversion pipe and the second diversion pipe are used to divert the material. The second diversion pipe is used to discharge the material, and the cleaned wastewater flows out from the first diversion pipe to the inside of the filter box, and then passes through the first filter screen and the activated carbon layer for filtration, and is finally discharged at the drain outlet. In this way, the overall diversion processing capacity is better improved during the working process. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0018] Figure 2 It is a front structural schematic diagram of the utility model;
[0019] Figure 3 This is a schematic diagram of the top view of the annular water pipe of the utility model;
[0020] Figure 4 It is a schematic diagram of the top view of the annular heating tube of the utility model.
[0021] In the figure: 1. support bottom plate; 2. filter box; 3. first filter screen; 4. activated carbon layer; 5. first diversion pipe; 6. main flow pipe; 7. second diversion pipe; 8. support frame; 9. microchannel reactor body; 10. reaction channel; 11. medium inlet; 12. annular water pipe; 13. preheating cylinder; 14. reactor inlet; 15. annular heating pipe; 16. water inlet; 17. medium outlet; 18. activated carbon addition port; 19. drain port; 20. connection port; 21. slag discharge port; 22. spray port; 23. first support seat; 24. second support seat. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-4The utility model provides an embodiment: a microchannel reactor with a preheating function, comprising a supporting bottom plate 1, a supporting frame 8, and a microchannel reactor body 9, the top of the microchannel reactor body 9 is connected to a reactor inlet 14, the bottom of the reactor inlet 14 is connected to a reaction channel 10, the bottom of the microchannel reactor body 9 is connected to a mainstream pipe 6, a preheating tube 13 is installed at the top of the microchannel reactor body 9 at a position outside the reactor inlet 14, one end of the preheating tube 13 is connected to a wiring port 20, a second support seat 24 is installed on the inner wall of the preheating tube 13, and a ring-shaped heating tube 15 is installed on the top of the second support seat 24.
[0024] The second support seat 24 is symmetrically distributed about the central axis of the preheating tube 13 , and a slot is provided inside the top of the second support seat 24 , and the size of the slot is adapted to the annular heating tube 15 .
[0025] The bottom end of the reactor inlet 14 is communicated with the interior of the reaction channel 10 , and the bottom end of the main flow pipe 6 is communicated with the interior of the reaction channel 10 .
[0026] A medium outlet 17 is installed at a position close to the bottom end of one side of the microchannel reactor body 9 , and a medium inlet 11 is installed at a position close to the top end of the other side of the microchannel reactor body 9 .
[0027] A water inlet 16 is installed at a position close to the top of one side of the microchannel reactor body 9 , and one side of the water inlet 16 is connected to an annular water pipe 12 . A first support seat 23 is installed on the inner wall of the microchannel reactor body 9 .
[0028] The inner wall of the annular water pipe 12 is provided with spray ports 22 , which are evenly distributed on the inner wall of the annular water pipe 12 , and the first support seats 23 are distributed in a ring shape about the center of the annular water pipe 12 .
[0029] One side of the bottom end of the main flow pipe 6 is connected to the second branch pipe 7, and the other side of the bottom end of the main flow pipe 6 is connected to the first branch pipe 5. Valves are installed inside the first branch pipe 5 and the second branch pipe 7, and one side of the first branch pipe 5 is connected to the filter box 2.
[0030] A first filter screen 3 is installed inside the filter box 2, an activated carbon layer 4 is connected between the first filter screens 3, a drain port 19 is installed near the bottom of one side of the filter box 2, an activated carbon addition port 18 is installed at the top of the filter box 2, and a slag discharge port 21 is installed at one end of the filter box 2;
[0031] After working in the filter box 2 for a period of time, the residue in the activated carbon layer 4 needs to be discharged from the slag discharge port 21 , and then new activated carbon is added from the activated carbon addition port 18 .
[0032] Working principle: First, install the reactor inlet 14 at the top position of the microchannel reactor body 9, and then introduce the material at the position of the reactor inlet 14, and then install the preheating tube 13 at the top of the microchannel reactor body 9 and outside the reactor inlet 14. During operation, use the second support seat 24 to complete the installation support for the annular heating tube 15, and then turn on the power to generate heat at the position of the wiring port 20, and then make the annular heating tube 15 complete the preheating work after heating, so that the material flows through the reaction channel 10. At this time, the required medium is introduced at the position of the medium inlet 11, and then the material is discharged at the position of the main pipe 6. The first diversion pipe 5 and the second diversion pipe 7 are used to divert the discharge, and the second diversion pipe 7 is used to discharge the material, and then the cleaning water is introduced from the water inlet 16. After the cleaning water passes through the annular water pipe 12, it is evenly sprayed by the spray port 22, and the cleaned wastewater flows out at the position of the first diversion pipe 5 and reaches the internal filtration of the filter box 2 for treatment.
[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
Claims
1. A microchannel reactor with a preheating function, comprising a supporting bottom plate (1), a supporting frame (8), and a microchannel reactor body (9), characterized in that: The top end of the microchannel reactor body (9) is connected to a reactor inlet (14), the bottom end of the reactor inlet (14) is connected to a reaction channel (10), the bottom end of the microchannel reactor body (9) is connected to a main flow pipe (6), a preheating tube (13) is installed at a position outside the reactor inlet (14) at the top end of the microchannel reactor body (9), one end of the preheating tube (13) is connected to a wiring port (20), a second support seat (24) is installed on the inner wall of the preheating tube (13), and a ring-shaped heating tube (15) is installed at the top end of the second support seat (24).
2. The microchannel reactor with preheating function according to claim 1, characterized in that: The second support seat (24) is symmetrically distributed with respect to the central axis of the preheating tube (13), and a slot is provided inside the top end of the second support seat (24), and the size of the slot is adapted to the annular heating tube (15).
3. The microchannel reactor with preheating function according to claim 1, characterized in that: The bottom end of the reactor inlet (14) is interconnected with the interior of the reaction channel (10), and the bottom end of the main flow pipe (6) is interconnected with the interior of the reaction channel (10).
4. The microchannel reactor with preheating function according to claim 1, characterized in that: A medium outlet (17) is installed at a position close to the bottom end of one side of the microchannel reactor body (9), and a medium inlet (11) is installed at a position close to the top end of the other side of the microchannel reactor body (9).
5. The microchannel reactor with preheating function according to claim 1, characterized in that: A water inlet (16) is installed at a position close to the top of one side of the microchannel reactor body (9), one side of the water inlet (16) is connected to an annular water pipe (12), and a first support seat (23) is installed on the inner wall of the microchannel reactor body (9).
6. The microchannel reactor with preheating function according to claim 5, characterized in that: The inner wall of the annular water pipe (12) is provided with spray ports (22), the spray ports (22) are evenly distributed on the inner wall of the annular water pipe (12), and the first support seat (23) is distributed in an annular shape with respect to the center of the annular water pipe (12).
7. The microchannel reactor with preheating function according to claim 1, characterized in that: One side of the bottom end of the main flow pipe (6) is connected to the second branch pipe (7), and the other side of the bottom end of the main flow pipe (6) is connected to the first branch pipe (5). Valves are installed inside the first branch pipe (5) and the second branch pipe (7), and one side of the first branch pipe (5) is connected to the filter box (2).
8. The microchannel reactor with preheating function according to claim 7, characterized in that: A first filter screen (3) is installed inside the filter box (2), an activated carbon layer (4) is connected between the first filter screens (3), a drainage port (19) is installed at a position close to the bottom of one side of the filter box (2), an activated carbon addition port (18) is installed at the top of the filter box (2), and a slag discharge port (21) is installed at one end of the filter box (2).