Laboratory test microchannel reactor high-pressure hydrogenation device

Abstract

The utility model relates to a high-pressure hydrogenation device, belongs to the technical field of micro-channel reactors, and particularly relates to a high-pressure hydrogenation device of a laboratory small-scale test micro-channel reactor, which comprises a base provided with a groove and fixedly connected with a support plate, and further comprises an auxiliary assembly, the auxiliary assembly comprises an electromagnet, a first spring, an iron ring, a second spring and a clamping block. According to the device, the danger coefficient of the high-pressure hydrogenation reaction is obviously reduced, the production safety is improved, the amplified production can be realized, the production requirements of different scales are met, the operation steps are simple, the reaction conditions are easy to control, and the reaction stability is improved; the auxiliary assembly intermittently supplies power to an electromagnet through cooperation of a damping telescopic sleeve, a sliding plate, the electromagnet, a first spring, an iron ring, a second spring and a clamping block, so that the iron ring reciprocates, the iron ring drives the micro-channel reactor to reciprocate, and the reaction of materials is accelerated.

Description

Technical Field

[0001] This utility model relates to the field of microchannel reactor technology, specifically a laboratory-scale microchannel reactor high-pressure hydrogenation device. Background Technology

[0002] In the fields of fine chemicals and pharmaceuticals, the traditional method for high-pressure hydrogenation is to add high-pressure hydrogen gas into a reactor and, under the action of a catalyst, react for several to more than ten hours to finally obtain the reaction product.

[0003] The above method of introducing hydrogen gas into the reactor under high pressure is an extremely dangerous operation. Therefore, a new type of laboratory-scale microchannel reactor high-pressure hydrogen addition device is needed. Utility Model Content

[0004] To address the aforementioned technical problems, this invention proposes a laboratory-scale microchannel reactor high-pressure hydrogenation device, which can reduce the risk factor of high-pressure hydrogenation reactions to the level of conventional non-hazardous reactions and can be scaled up for production.

[0005] The technical solution to achieve the purpose of this utility model is as follows: a laboratory-scale microchannel reactor high-pressure hydrogenation device, comprising a base with a groove, a support plate fixedly connected to the base, and a reaction assembly on the base. The reaction assembly includes a water pump, an inlet pipe, a shaker, support rods, a solid-liquid suspension feeding diaphragm ball, a first discharge pipe, a microchannel reactor, a first inlet pipe, a second inlet pipe, a second discharge pipe, and a gas-liquid-solid separator. The water pump is fixedly connected to the support plate, the inlet pipe is fixedly connected to the output shaft of the water pump, the shaker is fixedly connected to the base, and the four support rods are fixedly connected... On a shaker, the solid-liquid suspension feeding diaphragm ball is fixedly connected to four support rods, the water inlet pipe is fixedly connected to the solid-liquid suspension feeding diaphragm ball, the first discharge pipe is fixedly connected to the solid-liquid suspension feeding diaphragm ball, the microchannel reactor is located in a groove, the first feed pipe is fixedly connected to the microchannel reactor, the first discharge pipe is fixedly connected to the first feed pipe, the second feed pipe is fixedly connected to the microchannel reactor, the gas-liquid-solid separator is fixedly connected to the base, and the two ends of the second discharge pipe are respectively fixedly connected to the microchannel reactor and the gas-liquid-solid separator. The base is equipped with auxiliary components.

[0006] Preferably, the reaction assembly further includes a back pressure valve and a discharge pipe three, wherein the back pressure valve is disposed on the gas-liquid-solid separator, and the discharge pipe three is fixedly connected to the gas-liquid-solid separator.

[0007] Preferably, the auxiliary component includes a damping telescopic sleeve and a sliding plate, wherein multiple damping telescopic sleeves are fixedly connected to the groove, and the sliding plate is fixedly connected to multiple damping telescopic sleeves and slidably connected to the groove.

[0008] Preferably, the auxiliary component further includes an electromagnet and a spring, wherein the electromagnet is fixedly connected to the sliding plate, and a plurality of springs are fixedly connected to the electromagnet.

[0009] Preferably, the auxiliary component further includes an iron ring and two springs. The iron ring is fixedly connected to a plurality of springs, the microchannel reactor is disposed on the iron ring, and two springs are fixedly connected to the iron ring.

[0010] Preferably, the auxiliary component further includes two locking blocks, two of which are fixedly connected to two springs, two of which are slidably connected to an iron ring, and two of which are movably inserted into the microchannel reactor.

[0011] Compared with existing technologies, the significant advantages of this invention are:

[0012] Firstly, in this invention, the device significantly reduces the risk factor of high-pressure hydrogenation reaction, improves production safety, enables scale-up production, meets the production needs of different scales, and has simple operation steps, easy control of reaction conditions, and improved reaction stability.

[0013] Secondly, in this utility model, the auxiliary components work together through a damping telescopic sleeve, a sliding plate, an electromagnet, a spring one, an iron ring, a spring two, and a locking block to intermittently supply power to the electromagnet, causing the iron ring to move back and forth. The iron ring drives the microchannel reactor to move back and forth, thereby accelerating the reaction of the material. Attached Figure Description

[0014] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0016] Figure 2 This is a cross-sectional view of the internal structure of this utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of the auxiliary component in this utility model.

[0018] Explanation of reference numerals in the attached figures:

[0019] 1. Base; 2. Groove; 3. Support plate; 4. Reaction assembly; 41. Water pump; 42. Water inlet pipe; 43. Shaker; 44. Support rod; 45. Solid-liquid suspension feeding diaphragm ball; 46. Discharge pipe one; 47. Microchannel reactor; 48. Feed pipe one; 49. Feed pipe two; 410. Discharge pipe two; 411. Gas-liquid-solid separator; 412. Back pressure valve; 413. Discharge pipe three; 5. Auxiliary assembly; 51. Damping telescopic sleeve; 52. Sliding plate; 53. Electromagnet; 54. Spring one; 55. Iron ring; 56. Spring two; 57. Locking block. Detailed Implementation

[0020] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0021] This invention provides an improved high-pressure hydrogenation device for a laboratory-scale microchannel reactor. The technical solution of this invention is as follows:

[0022] like Figures 1-3As shown, a laboratory-scale microchannel reactor high-pressure hydrogenation device includes a base 1 with a groove 2. A support plate 3 is fixedly connected to the base 1. A reaction assembly 4 is mounted on the base 1, including a water pump 41, an inlet pipe 42, a shaker 43, support rods 44, a solid-liquid suspension feeding diaphragm ball 45, a first discharge pipe 46, a microchannel reactor 47, a first feed pipe 48, a second feed pipe 49, a second discharge pipe 410, and a gas-liquid-solid separator 411. The water pump 41 is fixed to the support plate 3 by bolts. The water pump 41 is a constant-flow high-pressure pump. The inlet pipe 42 is fixedly connected to the output shaft of the water pump 41. The inlet pipe 42 is a rubber hose that can be appropriately stretched. The shaker 43 is fixedly connected to the base 1, and four support rods 44 are fixedly connected to the shaker 43. The liquid-feeding diaphragm ball 45 is fixedly connected to four support rods 44. The water inlet pipe 42 is fixedly connected to the solid-liquid suspension feeding diaphragm ball 45. The first discharge pipe 46 is fixedly connected to the solid-liquid suspension feeding diaphragm ball 45. The microchannel reactor 47 is located in the groove 2. The first feed pipe 48 is fixedly connected to the microchannel reactor 47. The first discharge pipe 46 is fixedly connected to the first feed pipe 48. The second feed pipe 49 is fixedly connected to the microchannel reactor 47. High-pressure hydrogen gas is introduced into the second feed pipe 49 of the microchannel reactor 47 through a gas valve, controlled to a flow rate of 6-60 ml / min. The gas-liquid-solid separator 411 is fixedly connected to the base 1. The two ends of the second discharge pipe 410 are fixedly connected to the microchannel reactor 47 and the gas-liquid-solid separator 411, respectively. The base 1 is equipped with auxiliary components 5.

[0023] Furthermore, such as Figure 1 and Figure 2 As shown, the reaction assembly 4 also includes a back pressure valve 412 and a discharge pipe 413. The back pressure valve 412 is located on the gas-liquid-solid separator 411, and the discharge pipe 413 is fixedly connected to the gas-liquid-solid separator 411. The product obtained in the discharge pipe 413 is a mixture of the synthesis products.

[0024] Furthermore, such as Figure 2 and Figure 3 As shown, the auxiliary component 5 includes a damping telescopic sleeve 51 and a sliding plate 52. Multiple damping telescopic sleeves 51 are fixedly connected to the groove 2 and are arranged in a linear array within the groove 2. The sliding plate 52 is fixedly connected to the multiple damping telescopic sleeves 51 and is slidably connected within the groove 2.

[0025] Furthermore, such as Figure 2 and Figure 3 As shown, the auxiliary component 5 also includes an electromagnet 53 and springs 54. The electromagnet 53 is fixedly connected to the sliding plate 52 and is powered by an external power source. Multiple springs 54 are fixedly connected to the electromagnet 53 and are arranged in a circular array with the center of the electromagnet 53 as the center.

[0026] Furthermore, such as Figures 1-3 As shown, the auxiliary component 5 also includes an iron ring 55 and two springs 56. The iron ring 55 is fixedly connected to multiple springs 54. The microchannel reactor 47 is disposed on the iron ring 55. Two springs 56 are fixedly connected to the iron ring 55. The two springs 56 are symmetrical about the microchannel reactor 47.

[0027] Furthermore, such as Figure 2 and Figure 3 As shown, the auxiliary component 5 also includes a locking block 57. The two locking blocks 57 are fixedly connected to the two springs 56 respectively. The cross-section of the locking block 57 is "L" shaped. The two locking blocks 57 are slidably connected to the iron ring 55. The two locking blocks 57 are movably inserted into the microchannel reactor 47.

[0028] The specific working method is as follows: The reactants, solution, and palladium-carbon catalyst are mixed to form a solid-liquid suspension with a palladium-carbon mass percentage not exceeding 4%. The solid-liquid suspension obtained in the first step is filled into the lower part of the solid-liquid suspension feeding diaphragm ball 45, and the ball is placed on the support rod 44 of the shaker 43. The shaker 43 is started, and water is pumped into the extrusion end above the solid-liquid suspension feeding diaphragm ball 45 at a speed of 1-20 ml / min using a water pump 41. The solid-liquid suspension is then pumped into the feed pipe 48 of the microchannel reactor 47 through the discharge pipe 46 at the same rate. High-pressure hydrogen is controlled at a flow rate of 6-60 ml / min. The materials from feed pipes 48 and 49 of the microchannel reactor 47 react under constant temperature and pressure. During this process, electromagnet 53 is intermittently energized. When energized, electromagnet 53 attracts iron ring 55, causing iron ring 55 to move downward. When de-energized, iron ring 55 returns to its original position and moves upward under the action of spring 54. Iron ring 55 drives the microchannel reactor 47 to move back and forth, accelerating the reaction of the materials. The product obtained from the reaction enters the gas-liquid-solid separator 411 through discharge pipe 410 for separation. The product obtained in discharge pipe 413 is the mixture of the synthesized products.

[0029] The technical means disclosed in this utility model are not limited to those described above, but also include technical solutions composed of equivalent substitutions of the above technical features. Matters not covered in this utility model are common knowledge to those skilled in the art.

Claims

1. A laboratory-scale microchannel reactor high-pressure hydrogenation device, comprising a base (1), wherein a groove (2) is provided on the base (1), and a support plate (3) is fixedly connected to the base (1), characterized in that: A reaction assembly (4) is provided on the base (1). The reaction assembly (4) includes a water pump (41), an inlet pipe (42), a shaker (43), support rods (44), a solid-liquid suspension feeding diaphragm ball (45), a discharge pipe (46), a microchannel reactor (47), a feed pipe (48), a feed pipe (49), a discharge pipe (410), and a gas-liquid-solid separator (411). The water pump (41) is fixedly connected to the support plate (3). The inlet pipe (42) is fixedly connected to the output shaft of the water pump (41). The shaker (43) is fixedly connected to the base (1). The four support rods (44) are fixedly connected to the shaker (43). The solid-liquid suspension feeding diaphragm ball (45) is fixedly connected to the four support rods (411). 4) The water inlet pipe (42) is fixedly connected to the solid-liquid suspension feeding diaphragm ball (45), the discharge pipe one (46) is fixedly connected to the solid-liquid suspension feeding diaphragm ball (45), the microchannel reactor (47) is located in the groove (2), the feed pipe one (48) is fixedly connected to the microchannel reactor (47), the discharge pipe one (46) is fixedly connected to the feed pipe one (48), the feed pipe two (49) is fixedly connected to the microchannel reactor (47), the gas-liquid-solid separator (411) is fixedly connected to the base (1), the two ends of the discharge pipe two (410) are fixedly connected to the microchannel reactor (47) and the gas-liquid-solid separator (411) respectively, and the base (1) is provided with auxiliary components (5).

2. The high-pressure hydrogenation device for a laboratory-scale microchannel reactor according to claim 1, characterized in that: The reaction assembly (4) also includes a back pressure valve (412) and a discharge pipe (413). The back pressure valve (412) is located on the gas-liquid-solid separator (411), and the discharge pipe (413) is fixedly connected to the gas-liquid-solid separator (411).

3. The high-pressure hydrogenation device for a laboratory-scale microchannel reactor according to claim 1, characterized in that: The auxiliary component (5) includes a damping telescopic sleeve (51) and a sliding plate (52). Multiple damping telescopic sleeves (51) are fixedly connected in the groove (2), and the sliding plate (52) is fixedly connected to multiple damping telescopic sleeves (51) and slidably connected in the groove (2).

4. The high-pressure hydrogenation device for a laboratory-scale microchannel reactor according to claim 3, characterized in that: The auxiliary component (5) also includes an electromagnet (53) and a spring (54). The electromagnet (53) is fixedly connected to the sliding plate (52), and multiple springs (54) are fixedly connected to the electromagnet (53).

5. The high-pressure hydrogenation device for a laboratory-scale microchannel reactor according to claim 4, characterized in that: The auxiliary component (5) also includes an iron ring (55) and two springs (56). The iron ring (55) is fixedly connected to a plurality of springs (54). The microchannel reactor (47) is located on the iron ring (55). Two springs (56) are fixedly connected to the iron ring (55).

6. The high-pressure hydrogenation device for a laboratory-scale microchannel reactor according to claim 5, characterized in that: The auxiliary component (5) also includes a locking block (57), two locking blocks (57) are fixedly connected to two springs (56) respectively, two locking blocks (57) are slidably connected to an iron ring (55), and two locking blocks (57) are movably inserted into a microchannel reactor (47).

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