Matrix tubular microreactor

Abstract

The utility model belongs to the technical field of industrial equipment, and provides a matrix tubular microreactor which comprises a barrel and a tube bundle, and the tube bundle comprises a tube body, an upper tube plate, a lower tube plate and a baffle plate; the top of the cylinder body is detachably connected with the upper tube plate, the bottom of the cylinder body is detachably connected with the lower tube plate, and the outer wall of the cylinder body is communicated with a first pipeline and a second pipeline. The design of components such as the barrel body, the tube body, the upper tube plate and the lower tube plate is adopted, so that the device is compact in structure and convenient to install and maintain, the flexibility and maintainability of the device are greatly improved especially due to the detachable connection design of the barrel body, the upper tube plate and the lower tube plate, the heat exchange efficiency is enhanced by arranging the baffle plates and the heat exchange material holes in the barrel body, and the heat exchange efficiency is improved. The reaction temperature is effectively controlled, and the design not only improves the reaction efficiency, but also contributes to improving the purity and yield of the product.

Description

Technical Field

[0001] The utility model belongs to the technical field of industrial equipment, and particularly relates to a matrix tube microreactor. Background Art

[0002] In the chemical industry, microchannel reactors have attracted much attention due to their high efficiency and energy saving characteristics. These reactors are particularly suitable for chemical reactions that require precise control, such as laboratory-scale research and development. However, the application of existing microchannel reactors in industrial production is limited, mainly because of their small throughput and difficulty in large-scale production.

[0003] For example, the microreactor with a casing structure and its application, with the application number 202111506642.5, is a typical microchannel reactor. It includes a micro-mixing zone and a micro-reaction zone, and strengthens the liquid and gas-liquid mixing and reaction through the design of inner and outer tubes with different diameters, and is particularly suitable for processes with longer reaction times. Although this design performs well in a laboratory environment, due to the limitations of its structure, it is difficult to achieve large-scale application in industrial production.

[0004] Therefore, it is necessary to design a matrix tube microreactor to solve the above technical problems. Summary of the Invention

[0005] In order to solve the above technical problems, the utility model provides a matrix tube microreactor, which adopts the design of components such as a cylinder body, a tube body, an upper tube sheet, and a lower tube sheet, making the equipment structure compact, convenient for installation and maintenance. In particular, the detachable connection design between the cylinder body and the upper and lower tube sheets greatly improves the flexibility and maintainability of the equipment. By setting baffle plates and heat exchange material holes in the cylinder body, the heat exchange efficiency is enhanced, and the reaction temperature is effectively controlled. This design not only improves the reaction efficiency but also helps to improve the purity and yield of products.

[0006] The technical solution of the utility model is as follows:

[0007] A matrix tube microreactor includes a cylinder body and a tube bundle, and the tube bundle includes a tube body, an upper tube sheet, a lower tube sheet, and a baffle plate;

[0008] The top of the cylinder body is detachably connected to the upper tube sheet, the bottom of the cylinder body is detachably connected to the lower tube sheet, the outer wall of the cylinder body is communicated with a first pipeline and a second pipeline, the first pipeline is detachably connected to a lower flange for heat exchange material, and the second pipeline is detachably connected to an upper flange for heat exchange material;

[0009] A number of said tube bodies are provided, and a number of said baffle plates are provided. The number of said baffle plates is arranged inside the cylinder body. The number of said tube bodies penetrates through the upper tube plate, the baffle plates, and the lower tube plate. The input end of the tube body extends to the outside of the lower tube plate, and the output end of the tube body extends to the outside of the upper tube plate.

[0010] Preferably, a lower flange of the cylinder body is fixedly connected to the bottom of the cylinder body, and an upper flange of the cylinder body is fixedly connected to the top of the cylinder body.

[0011] A number of circumferentially arrayed lower tube plate bolt holes are provided on the lower tube plate. The lower tube plate bolt holes are detachably connected to the lower flange of the cylinder body through connecting bolts. The connecting bolts are all sleeved with first sealing gaskets. Two opposite surfaces of the first sealing gasket are respectively attached to the lower tube plate and the lower flange of the cylinder body.

[0012] A number of circumferentially arrayed upper tube plate bolt holes are provided on the upper tube plate. The upper tube plate bolt holes and the upper flange of the cylinder body are detachably connected by bolts. The bolts are all sleeved with second sealing gaskets. Two opposite surfaces of the second sealing gasket are respectively attached to the upper tube plate and the upper flange of the cylinder body.

[0013] Preferably, a number of upper tube plate tube holes are provided on the upper tube plate, and a number of lower tube plate tube holes are provided on the lower tube plate. The number of upper tube plate tube holes, the number of lower tube plate tube holes, and the number of tube bodies are the same. The tube bodies respectively penetrate through the upper tube plate tube holes and the lower tube plate tube holes. Tightening bolts are threadedly connected to both the upper tube plate and the lower tube plate. Third sealing gaskets are provided at the bottoms of the tightening bolts. The inner sides of the third sealing gaskets are attached to the outer walls of the tube bodies.

[0014] Preferably, a number of tube holes and heat exchange material holes arranged at equal intervals are provided on the baffle plate. The tube bodies are located in the heat exchange material holes.

[0015] Preferably, the heat exchange material holes of adjacent baffle plates face in opposite directions.

[0016] Preferably, a number of reaction units are further included. The reaction units correspond to the tube bodies one by one. Each reaction unit includes a first material regulating valve and a second material regulating valve. Mixers are provided on one side of both the first material regulating valve and the second material regulating valve. The first material regulating valve, the second material regulating valve, and the mixer are connected in communication. Feed conveying pipelines are connected to the ends of the first material regulating valve and the second material regulating valve away from the mixer. The mixer is connected in communication with the input end of the tube body. The output ends of the tube bodies are all connected in communication with a discharge output pipeline. Pressure gauges and thermometers are connected in communication with the discharge output pipelines.

[0017] Compared with the prior art, the utility model has the following advantages and effects:

[0018] (1) The design of the cylinder, tube body, upper tube sheet, lower tube sheet and other components makes the equipment compact and easy to install and maintain. In particular, the detachable connection design between the cylinder and the upper and lower tube sheets greatly improves the flexibility and maintainability of the equipment. The baffles and heat exchange material holes are set in the cylinder to enhance the heat exchange efficiency and effectively control the reaction temperature. This design not only improves the reaction efficiency, but also helps to improve the purity and yield of the product.

[0019] (2) By setting the first material regulating valve and the second material regulating valve, the flow rate and ratio of the reactants can be accurately controlled, thereby optimizing the reaction conditions. The equipment is equipped with a thermometer and a pressure gauge, which can monitor the temperature and pressure during the reaction in real time to ensure that the reaction is carried out within a safe range, avoid overheating or overcooling, and improve the safety of operation;

[0020] (3) Each tube body is independent, and different reactants can be selected according to actual production needs. The ratio can be optimized by adjusting the first material regulating valve or the second material regulating valve. The heat exchange material holes of adjacent baffles are oriented in different directions to avoid the formation of short-circuit flow, that is, part of the fluid directly passes through the baffle without fully contacting the reactant. The opposite direction design can effectively avoid this situation, ensuring that the fluid flows evenly through each baffle, thereby improving the uniformity of heat exchange. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a top view of the lower tube plate of the utility model;

[0023] Figure 3 It is a top view of the upper tube plate of the utility model;

[0024] Figure 4 It is a top view of the baffle of the utility model;

[0025] Figure 5 It is a partial structural schematic diagram of the tube body and the upper tube plate of the utility model;

[0026] Figure 6 It is a partial structural schematic diagram of the lower tube plate and the lower flange of the cylinder of the utility model;

[0027] Figure 7 It is the work flow chart of the utility model.

[0028] Reference numerals: 1, tube body; 2, upper tube sheet; 3, lower flange of the cylinder; 4, lower tube sheet; 5, lower flange of the heat exchange material; 6, cylinder; 60, first pipeline; 61, second pipeline; 7, upper flange of the heat exchange material; 8, upper flange of the cylinder; 9, bolt holes on the upper tube sheet; 10, tube holes on the upper tube sheet; 11, tube holes; 12, holes for the heat exchange material; 13, connecting bolts; 14, first sealing gasket; 15, tube holes on the lower tube sheet; 16, bolt holes on the lower tube sheet; 17, third sealing gasket; 18, fastening bolts; 19, baffle plate; 20, first material regulating valve; 21, second material regulating valve; 22, mixer; 23, pressure gauge; 24, thermometer. Detailed implementation manners

[0029] In order to enable those skilled in the art to better understand the present utility model, the present utility model will be further described below in conjunction with the specific implementation manners.

[0030] Embodiment 1:

[0031] As Figures 1 to 7 shown, the present utility model provides a matrix tube type micro reactor, which includes a cylinder 6 and a tube bundle. The tube bundle includes a tube body 1, an upper tube sheet 2, a lower tube sheet 4 and a baffle plate 19;

[0032] The top of the cylinder 6 is detachably connected to the upper tube sheet 2, the bottom of the cylinder 6 is detachably connected to the lower tube sheet 4, the outer wall of the cylinder 6 is communicated with a first pipeline 60 and a second pipeline 61. The first pipeline 60 is detachably connected to a lower flange 5 of the heat exchange material, and the second pipeline 61 is detachably connected to an upper flange 7 of the heat exchange material;

[0033] A plurality of tube bodies 1 are provided, a plurality of baffle plates 19 are provided, and the plurality of baffle plates 19 are arranged inside the cylinder 6. The plurality of tube bodies 1 penetrate through the upper tube sheet 2, the baffle plates 19 and the lower tube sheet 4. The input end of the tube body 1 extends to the outside of the lower tube sheet 4, and the output end of the tube body 1 extends to the outside of the upper tube sheet 2. By arranging the tube body 6 in the cylinder 1 and the first pipeline 60 and the second pipeline 61, the heat exchange material can flow around the tube body 6 and perform heat exchange with the reaction material in the tube body 6, so as to control the reaction temperature, improve the reaction efficiency and the product purity.

[0034] The bottom of the cylinder 6 is fixedly connected to a lower flange 3 of the cylinder, and the top of the cylinder 6 is fixedly connected to an upper flange 8 of the cylinder;

[0035] The lower tube sheet 4 is provided with a plurality of lower tube sheet bolt holes 16 arranged in a circumferential array. The lower tube sheet bolt holes 16 are detachably connected to the lower flange 3 of the cylinder through connecting bolts 13. The connecting bolts 13 are all sleeved with a first sealing gasket 14, and two opposite surfaces of the first sealing gasket 14 are respectively attached to the lower tube sheet 4 and the lower flange 3 of the cylinder;

[0036] The upper tube sheet 2 is provided with a number of upper tube sheet bolt holes 9 arranged in a circumferential array. The upper tube sheet bolt holes 9 are detachably connected to the upper flange 8 of the cylinder body through bolts. The bolts are all sleeved with second sealing gaskets, and the two opposite surfaces of the second sealing gaskets are respectively attached to the upper tube sheet 2 and the upper flange 8 of the cylinder body. Through the detachable connection, the equipment can be conveniently opened for cleaning and maintenance, while ensuring the sealing performance of the connection.

[0037] The upper tube sheet 2 is provided with a number of upper tube sheet body holes 10, and the lower tube sheet 4 is provided with a number of lower tube sheet body holes 15. The number of upper tube sheet body holes 10, lower tube sheet body holes 15, and the tube body 1 is the same. The tube body 1 respectively penetrates through the upper tube sheet body holes 10 and the lower tube sheet body holes 15. The upper tube sheet 2 and the lower tube sheet 4 are both threadedly connected with fastening bolts 18. Third sealing gaskets 17 are arranged at the bottoms of the fastening bolts 18, and the inner sides of the third sealing gaskets 17 are attached to the outer walls of the tube body 1. Through the cooperation of the fastening bolts 5 and the third sealing gaskets, the sealing performance between the tube body 1 and the upper tube sheet 2 and the lower tube sheet 4 is ensured, and the stability and safety of the reaction process are improved.

[0038] The baffle plate 19 is provided with a number of tube holes 11 arranged at equal intervals and heat exchange material holes 12. The tube body 1 is located in the heat exchange material holes 12. Through the arrangement of the baffle plate 19 and the heat exchange material holes 12, the heat exchange material can form a complex flow path in the cylinder body, increasing the mixing between fluids and improving the heat exchange efficiency.

[0039] The heat exchange material holes 12 of adjacent baffle plates 19 face in opposite directions. The design that the heat exchange material holes 12 of adjacent baffle plates 19 face in opposite directions helps to enhance the heat exchange efficiency, avoid short-circuit flow, improve the reaction uniformity, and enhance the equipment stability.

[0040] It also includes a number of reaction units, which correspond to the tube body 1 one by one. Each reaction unit includes a first material regulating valve 20 and a second material regulating valve 21. A mixer 22 is arranged on one side of the first material regulating valve 20 and the second material regulating valve 21. The first material regulating valve 20, the second material regulating valve 21 are connected to the mixer 22. The ends of the first material regulating valve 20 and the second material regulating valve 21 far from the mixer 22 are both connected with feed conveying pipelines. The mixer 22 is connected to the input end of the tube body 1. The output ends of the tube body 1 are both connected with discharge output pipelines, and the discharge output pipelines are both connected with a pressure gauge 23 and a thermometer 24. Through the control of the first material regulating valve 20 and the second material regulating valve 21, the flow rate and ratio of the reactants can be accurately controlled. The reactants are fully mixed through the mixer 22, improving the reaction efficiency and product purity.

[0041] By controlling the first material regulating valve 20 and the second material regulating valve 21, the flow rate and ratio of the reactants can be precisely controlled. The reactants are fully mixed by the mixer 22, improving the reaction efficiency and product purity.

[0042] The first pipeline 60 and the second pipeline 61 are connected to a thermometer and a pressure gauge.

[0043] Working principle:

[0044] Addition and mixing of reactants: Two different reactants are respectively added into the mixer 22 through the first material regulating valve 20 and the second material regulating valve 21. The flow rate of each reactant is controlled by adjusting the first material regulating valve 20 or the second material regulating valve 21 to ensure the required ratio. The reactants are fully mixed in the mixer 22, preparing for the subsequent reaction.

[0045] The mixed reactants enter the tube body 1 and then into the cylinder body 1. The heat exchange material enters and exits through the first pipeline 60 and the second pipeline 61. The baffle plate 19 is arranged inside the cylinder body 6, and the heat exchange material holes 12 on it improve the heat exchange efficiency to control the reaction temperature. The heat exchange material refers to the medium used to adjust the temperature inside the cylinder body 1, which is a coolant or a heating agent. The temperature is adjusted according to the reaction requirements. The thermometer is used to measure the temperature inside the cylinder body 1. By monitoring the temperature in real time, the operator can ensure that the cylinder body 1 remains within the working temperature range, avoiding overheating or overcooling, thereby improving the purity and yield of the product. The pressure gauge is used to measure the pressure inside the cylinder body 1. Pressure is another important parameter in the chemical reaction process.

[0046] During the reaction process, the pressure and temperature of the pressure gauge 23 and the thermometer 34 can be monitored in real time, and the reaction conditions can be optimized by the first material regulating valve 20 and the second material regulating valve 21.

[0047] Collection of products: After the reaction is completed, the products flow out through the discharge output pipeline and can be further processed or collected. Each tube body 1 is independent. According to the temperature, pressure or reaction effect of the materials in each tube body 1 after the reaction, the first material regulating valve 20 or the second material regulating valve 21 is adjusted to regulate the ratio between the two reactants. Two different reactants are selected according to the actual production, and multiple of the present utility model can be selected for series connection according to the design production requirements.

[0048] The above is only the preferred embodiment of the present utility model, and does not limit the patent scope of the present utility model accordingly. All equivalent changes and modifications made according to the scope of the present utility model should still fall within the scope covered by the present utility model.

Claims

1. A matrix tubular microreactor, characterized in that: It comprises a cylinder (6) and a tube bundle, wherein the tube bundle comprises a tube body (1), an upper tube sheet (2), a lower tube sheet (4) and a baffle (19); The top of the cylinder (6) is detachably connected to the upper tube plate (2), the bottom of the cylinder (6) is detachably connected to the lower tube plate (4), the outer wall of the cylinder (6) is connected to a first pipe (60) and a second pipe (61), the first pipe (60) is detachably connected to a lower flange (5) for heat exchange materials, and the second pipe (61) is detachably connected to an upper flange (7) for heat exchange materials; A plurality of the tube bodies (1) are provided, a plurality of the baffles (19) are provided, a plurality of the baffles (19) are provided inside the cylinder (6), a plurality of the tube bodies (1) penetrate the upper tube plate (2), the baffles (19), and the lower tube plate (4), the input end of the tube body (1) extends to the outside of the lower tube plate (4), and the output end of the tube body (1) extends to the outside of the upper tube plate (2).

2. A matrix tubular microreactor according to claim 1, characterized in that: The bottom of the cylinder (6) is fixedly connected to a cylinder lower flange (3), and the top of the cylinder (6) is fixedly connected to a cylinder upper flange (8); The lower tube plate (4) is provided with a plurality of lower tube plate bolt holes (16) arranged in a circumferential array. The lower tube plate bolt holes (16) are detachably connected to the lower flange (3) of the cylinder body via connecting bolts (13). The connecting bolts (13) are each sleeved with a first sealing gasket (14). Two opposite surfaces of the first sealing gasket (14) are respectively in contact with the lower tube plate (4) and the lower flange (3) of the cylinder body. The upper tube plate (2) is provided with a plurality of upper tube plate bolt holes (9) arranged in a circumferential array. The upper tube plate bolt holes (9) are detachably connected to the cylinder upper flange (8) via bolts. The bolts are each sleeved with a second sealing gasket. Two opposite surfaces of the second sealing gasket are respectively fitted with the upper tube plate (2) and the cylinder upper flange (8).

3. A matrix tubular microreactor according to claim 2, characterized in that: The upper tube plate (2) is provided with a plurality of upper tube plate body holes (10), and the lower tube plate (4) is provided with a plurality of lower tube plate body holes (15). The upper tube plate body holes (10), the lower tube plate body holes (15), and the tube body (1) are of the same number. The tube body (1) passes through the upper tube plate body holes (10) and the lower tube plate body holes (15), respectively. The upper tube plate (2) and the lower tube plate (4) are both threadedly connected with fastening bolts (18). A third sealing gasket (17) is provided at the bottom of each of the fastening bolts (18). The inner side of the third sealing gasket (17) is in contact with the outer wall of the tube body (1).

4. A matrix tubular microreactor according to claim 3, characterized in that: The baffle (19) is provided with a plurality of tubular holes (11) and heat exchange material holes (12) arranged at equal intervals, and the tube body (1) is located in the heat exchange material hole (12).

5. A matrix tubular microreactor according to claim 4, characterized in that: The heat exchange material holes (12) of adjacent baffles (19) face in opposite directions.

6. A matrix tubular microreactor according to claim 1, characterized in that: The invention also comprises a plurality of reaction units, wherein the reaction units correspond to the pipe body (1) in a one-to-one manner, and the reaction units comprise a first material regulating valve (20) and a second material regulating valve (21). A mixer (22) is arranged on one side of the first material regulating valve (20) and the second material regulating valve (21). The first material regulating valve (20) and the second material regulating valve (21) are connected to the mixer (22). The ends of the first material regulating valve (20) and the second material regulating valve (21) away from the mixer (22) are connected to a feed conveying pipeline. The mixer (22) is connected to the input end of the pipe body (1), and the output end of the pipe body (1) is connected to a discharge output pipeline. The discharge output pipeline is connected to a pressure gauge (23) and a temperature gauge (24).

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