Industrial-grade microchannel reactor high-pressure hydrogenation device

Abstract

The utility model relates to a high-pressure hydrogenation device, belongs to the technical field of fine chemical engineering and pharmacy, and particularly relates to an industrial-grade microchannel reactor high-pressure hydrogenation device which comprises a bottom plate, a stirring barrel is fixedly mounted on the surface of the bottom plate, and a cover plate is rotatably mounted at the top of the stirring barrel through a movable shaft. A supporting frame is fixedly installed on the surface of the bottom plate. The device further comprises a stirring assembly, a hydrogenation assembly and a separation assembly. According to the high-pressure hydrogenation reaction kettle, the effects of shortening the reaction time and improving the reaction safety coefficient are achieved, and the problems that in the existing high-pressure hydrogenation reaction, high-pressure hydrogen is usually added into the reaction kettle, and the reaction is carried out under the action of a catalyst, but the danger coefficient of the method is large, and safety accidents are likely to occur are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fine chemicals and pharmaceuticals, in particular to an industrial-grade microchannel reactor high-pressure hydrogenation device. Background Art

[0002] High-pressure hydrogenation reaction is a chemical reaction process that uses hydrogen and catalysts to convert certain organic substances into other compounds under high pressure and temperature. This process is very important in the fields of petroleum refining, fine chemicals, and pharmaceutical synthesis.

[0003] The existing high-pressure hydrogenation reaction usually involves adding high-pressure hydrogen into a reactor and reacting under the action of a catalyst. However, this method has a high risk factor and is prone to safety accidents, so it has certain limitations. Utility Model Content

[0004] In order to solve the above technical problems, the utility model proposes an industrial-grade microchannel reactor high-pressure hydrogenation device, through which the risk factor of the reaction can be reduced to the level of a conventional non-hazardous reaction, and the reaction time can be greatly shortened and safety can be improved.

[0005] The technical solution for achieving the purpose of the utility model is: an industrial-grade microchannel reactor high-pressure hydrogenation device, including a base plate, a stirring drum fixedly mounted on the surface of the base plate, a cover plate rotatably mounted on the top of the stirring drum via a movable shaft, a support frame fixedly mounted on the surface of the base plate, and also including a stirring assembly, a hydrogenation assembly and a separation assembly.

[0006] The stirring assembly includes a servo motor fixedly mounted on the surface of the stirring drum.

[0007] The hydrogenation assembly includes a hydrogen storage tank fixedly mounted on the surface of the support frame.

[0008] The separation component includes a gas-liquid-solid separator fixedly mounted on the surface of the bottom plate.

[0009] Preferably, a rotating shaft is rotatably installed inside the mixing drum, and the end of the rotating shaft rotates through the top of the mixing drum. A driven bevel gear is fixedly installed near the end of the rotating shaft, and a driving bevel gear is fixedly installed on the output shaft of the servo motor, and the driving bevel gear is meshed with the driven bevel gear.

[0010] Preferably, a plurality of groups of stirring rods are fixedly mounted at equal intervals on the outer peripheral wall of the rotating shaft.

[0011] Preferably, a microchannel reactor is fixedly mounted on the surface of the support frame, and a material extraction pipe and a hydrogen supply pipe are fixedly connected between the microchannel reactor and the mixing drum and the hydrogen storage tank respectively.

[0012] Preferably, a diaphragm metering pump is fixedly installed on the extraction pipe, and a gas valve is fixedly installed on the hydrogen supply pipe.

[0013] Preferably, a feed pipe is fixedly connected between the gas-liquid-solid separator and the microchannel reactor, and the top and bottom of the gas-liquid-solid separator are respectively fixedly connected with an exhaust pipe and a discharge pipe, and a back pressure valve, a control valve 1 and a control valve 2 are respectively fixedly installed on the exhaust pipe, the discharge pipe and the feed pipe.

[0014] Compared with the prior art, the present invention has the following significant advantages:

[0015] First, the utility model is convenient for temporarily storing hydrogen by providing a hydrogen storage tank, and the flow rate of hydrogen supply can be well controlled by the provided gas valve, thereby avoiding the dangers brought by the traditional hydrogenation method and improving the safety factor of the device. The provided servo motor is used to rotate the rotating shaft and the stirring rod, so as to continuously stir the solid-liquid suspension inside the stirring barrel, and the stirring rod can improve the stirring effect through the provided Y-shaped notch. The diaphragm metering pump is provided to facilitate the transportation of the solid-liquid suspension to the microchannel reactor, so as to facilitate the reaction with hydrogen under the action of constant temperature and pressure, and ensure the safe progress of the reaction, thereby improving the safety of the device;

[0016] Secondly, the utility model utilizes the gas-liquid-solid separator to process the products in the microchannel reactor and remove the waste, and the exhaust pipe is connected to the gas collecting equipment to collect and process the generated waste, thereby ensuring that it will not be discharged to the outside, and the final synthetic product is discharged through the discharge pipe, achieving an effective separation and collection effect.

[0017] The invention solves the problem that the existing high-pressure hydrogenation reaction usually involves adding high-pressure hydrogen into a reactor and reacting under the action of a catalyst, but this method has a high risk factor and is prone to safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0019] Figure 1 This is a schematic diagram of the overall first-view structure provided by the present invention in one embodiment;

[0020] Figure 2 This is a schematic diagram of the overall partially cutaway structure provided in one embodiment of the present invention;

[0021] Figure 3 This is a schematic structural diagram of a stirring assembly provided in one embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the stirring rod structure provided in one embodiment of the present invention.

[0023] Description of reference numerals:

[0024] 1. Bottom plate; 2. Mixing drum; 3. Cover plate; 4. Rotating shaft; 5. Mixing rod; 6. Servo motor; 7. Driving bevel gear; 8. Driven bevel gear; 9. Extraction pipe; 10. Diaphragm metering pump; 11. Microchannel reactor; 12. Exhaust pipe; 13. Back pressure valve; 14. Gas-liquid-solid separator; 15. Discharge pipe; 16. Control valve 1; 17. Support frame; 18. Hydrogen storage tank; 19. Hydrogen supply pipe; 20. Gas valve; 21. Feed pipe; 22. Control valve 2. DETAILED DESCRIPTION

[0025] The following is a detailed description of the present invention, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] The utility model provides an industrial-grade microchannel reactor high-pressure hydrogenation device through improvement. The technical solution of the utility model is:

[0027] like Figure 1-4 As shown, an industrial-grade microchannel reactor high-pressure hydrogenation device includes a base plate 1, a stirring drum 2 is fixedly installed on the surface of the base plate 1, a cover plate 3 is rotatably installed on the top of the stirring drum 2 through a movable shaft, and a support frame 17 is fixedly installed on the surface of the base plate 1. It also includes a stirring assembly, a hydrogenation assembly and a separation assembly. The stirring drum 2 is arranged to facilitate stirring of the solid-liquid suspension, and the support frame 17 is arranged to facilitate support for the hydrogenation assembly, and cooperate with the separation assembly to realize separation and collection of the final product.

[0028] The stirring assembly includes a servo motor 6 fixedly mounted on the surface of the stirring drum 2. The servo motor 6 is used to provide power to the stirring assembly to ensure normal and stable operation of the stirring assembly.

[0029] The hydrogenation assembly includes a hydrogen storage tank 18 fixedly mounted on the surface of the support frame 17. The hydrogen storage tank 18 is used to temporarily store hydrogen for easy use.

[0030] The separation component includes a gas-liquid-solid separator 14 fixedly mounted on the surface of the bottom plate 1. The gas-liquid-solid separator 14 is provided to facilitate separation of the products, thereby achieving the effect of separation and collection.

[0031] Furthermore, a rotating shaft 4 is installed inside the mixing drum 2, and the end of the rotating shaft 4 rotates and passes through the top of the mixing drum 2. A driven bevel gear 8 is fixedly installed near the end of the rotating shaft 4, and a driving bevel gear 7 is fixedly installed on the output shaft of the servo motor 6. The driving bevel gear 7 is meshed with the driven bevel gear 8. The rotating shaft 4 is rotated by the servo motor 6 through gear transmission, thereby realizing the function of the stirring assembly.

[0032] Furthermore, multiple groups of stirring rods 5 are fixedly installed at equal intervals on the outer wall of the rotating shaft 4, and the stirring rods 5 are rotated by the rotating shaft 4. The stirring rods 5 are provided with Y-shaped through grooves, which facilitate sufficient stirring of the solid-liquid suspension mixer, thereby improving the stirring and mixing effect.

[0033] As a further solution of the present invention, a microchannel reactor 11 is fixedly mounted on the surface of the support frame 17, and the microchannel reactor 11 is fixedly connected to the mixing drum 2 and the hydrogen storage tank 18 with a drawing pipe 9 and a hydrogen supply pipe 19. The provided microchannel reactor 11 facilitates mixing the solid-liquid suspension with hydrogen for reaction under a constant temperature and pressure environment, and the provided hydrogen supply pipe 19 facilitates stable delivery of hydrogen, thereby improving the safety of the reaction of the device.

[0034] Furthermore, a diaphragm metering pump 10 is fixedly installed on the extraction pipe 9, and a gas valve 20 is fixedly installed on the hydrogen supply pipe 19. The diaphragm metering pump 10 is arranged to facilitate the injection into the microchannel reactor 11 at a fixed rate to ensure that the reaction proceeds smoothly and orderly, and the gas valve 20 is arranged to facilitate the entry into the microchannel reactor 11 at a fixed flow rate, thereby reacting with the solid-liquid suspension, thereby ensuring that the reaction proceeds stably and improving the safety and stability of the reaction.

[0035] Furthermore, a feed pipe 21 is fixedly connected between the gas-liquid-solid separator 14 and the microchannel reactor 11, and the top and bottom of the gas-liquid-solid separator 14 are fixedly connected with an exhaust pipe 12 and a discharge pipe 15 respectively. The exhaust pipe 12, the discharge pipe 15 and the feed pipe 21 are respectively fixedly installed with a back pressure valve 13, a control valve 16 and a control valve 2 22. The feed pipe 21 is provided to facilitate the transportation of the product in the microchannel reactor 11 to the gas-liquid-solid separator 14, and the exhaust pipe 12 and the discharge pipe 15 are provided to facilitate the separation and collection effect.

[0036] The specific working method is: open the cover 3, add the solid-liquid suspension into the mixing drum 2, start the servo motor 6, and rotate the rotating shaft 4 and the stirring rod 5 under the transmission of the bevel gear, so as to achieve the stirring effect of the solid-liquid suspension, and then transport the solid-liquid suspension to the microchannel reactor 11 through the provided diaphragm metering pump 10, and then transport the hydrogen in the hydrogen storage tank 18 to the microchannel reactor 11 at a fixed flow rate through the provided gas valve 20, so that the solid-liquid suspension and hydrogen react under the action of constant temperature and pressure, and after the reaction, transport the products produced by the reaction to the gas-liquid-solid separator 14 through the feed pipe 21 for separation, and facilitate separation and collection through the provided exhaust pipe 12 and the discharge pipe 15, so as to achieve the desired synthetic product.

[0037] The technical means disclosed in the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacements of the above technical features. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.

Claims

1. An industrial-grade microchannel reactor high-pressure hydrogenation device, comprising a base plate (1), a stirring drum (2) fixedly mounted on the surface of the base plate (1), characterized in that: A cover plate (3) is rotatably mounted on the top of the mixing drum (2) via a movable shaft, a support frame (17) is fixedly mounted on the surface of the bottom plate (1), and further comprises: A stirring assembly, the stirring assembly comprising a servo motor (6) fixedly mounted on the surface of the stirring drum (2); A hydrogenation assembly, the hydrogenation assembly comprising a hydrogen storage tank (18) fixedly mounted on a surface of a support frame (17); A separation component comprises a gas-liquid-solid separator (14) fixedly mounted on the surface of a base plate (1).

2. An industrial-grade microchannel reactor high-pressure hydrogenation device according to claim 1, characterized in that: A rotating shaft (4) is rotatably mounted inside the mixing drum (2), and the end of the rotating shaft (4) rotates and penetrates the top of the mixing drum (2). A driven bevel gear (8) is fixedly mounted near the end of the rotating shaft (4). A driving bevel gear (7) is fixedly mounted on the output shaft of the servo motor (6), and the driving bevel gear (7) and the driven bevel gear (8) are meshed with each other.

3. An industrial-grade microchannel reactor high-pressure hydrogenation device according to claim 2, characterized in that: Multiple groups of stirring rods (5) are fixedly mounted at equal intervals on the outer peripheral wall of the rotating shaft (4).

4. The industrial-grade microchannel reactor high-pressure hydrogenation device according to claim 1, characterized in that: A microchannel reactor (11) is fixedly mounted on the surface of the support frame (17), and a material extraction pipe (9) and a hydrogen supply pipe (19) are fixedly connected between the microchannel reactor (11) and the mixing drum (2) and the hydrogen storage tank (18), respectively.

5. An industrial-grade microchannel reactor high-pressure hydrogenation device according to claim 4, characterized in that: A diaphragm metering pump (10) is fixedly mounted on the extraction pipe (9), and a gas valve (20) is fixedly mounted on the hydrogen supply pipe (19).

6. The industrial-grade microchannel reactor high-pressure hydrogenation device according to claim 1, characterized in that: A feed pipe (21) is fixedly connected between the gas-liquid-solid separator (14) and the microchannel reactor (11); an exhaust pipe (12) and a discharge pipe (15) are fixedly connected to the top and bottom of the gas-liquid-solid separator (14), respectively; a back pressure valve (13), a control valve 1 (16), and a control valve 2 (22) are fixedly installed on the exhaust pipe (12), the discharge pipe (15), and the feed pipe (21), respectively.

Images