A reaction vessel for preparing the chemical product 4-methyldiphenylamine

Abstract

This utility model discloses a reaction vessel for preparing the chemical product 4-methyldiphenylamine, including a reaction tank. The upper part of the reaction tank has a support plate inside, and the lower center of the support plate has a protective cylinder. It also includes a mixing mechanism. The mixing mechanism includes a circular groove, a sphere, a rotating cylinder, a sealed bearing, a rotating shaft, a stirring rod, and an L-shaped support rod. The top wall of the support plate is rotatably connected to the L-shaped support rod, and the rotating cylinder is fixedly connected to the left side of the lower end of the L-shaped support rod. The outer wall of the upper end of the rotating cylinder is fixedly fitted with a sphere. The bottom wall of the protective cylinder has a circular groove, and the inner arc surface of the circular groove is slidably connected to the outer arc surface of the sphere. The outer surface of the rotating cylinder is rotatably connected to uniformly distributed rotating shafts through the sealed bearing. This reaction vessel for preparing 4-methyldiphenylamine, through the combination of the rotation of the stirring rod and the circumferential oscillation of the stirring assembly, achieves a wider mixing range, eliminates blind spots in edge mixing, and provides a better mixing effect.

Description

Technical Field

[0001] This utility model relates to the field of chemical product processing technology, specifically to a reaction vessel for preparing the chemical product 4-methyldiphenylamine. Background Technology

[0002] Chemical product processing is the process of transforming raw materials into chemicals with specific properties and uses through physical or chemical methods. It involves the entire chain of processes from raw material pretreatment to finished product packaging. The raw material pretreatment stage removes impurities and ensures that the purity of the raw materials meets the process requirements. Raw material modification changes the form of raw materials through physical methods such as crushing, mixing, and dissolving to facilitate subsequent reactions. Reaction types include synthesis reactions, which generate target products through chemical combination reactions, decomposition reactions, which break down macromolecules into smaller molecules, and redox reactions, which change the properties of substances through electron transfer. 4-Methyldiphenylamine is an important organic chemical intermediate, widely used in rubber antioxidants, dyes, pharmaceuticals, and pesticides. Its preparation usually requires specific chemical reaction vessels.

[0003] In some existing chemical products, 4-methyldiphenylamine is prepared using a reaction vessel. During the preparation of 4-methyldiphenylamine, the preparation material is injected into the interior of the reaction vessel, and then a paddle stirring rod is rotated under the drive of a motor. The paddle stirring rod stirs the preparation material inside the reaction vessel.

[0004] The existing reaction vessels used for preparing 4-methyldiphenylamine, a chemical product, have the following problems: when preparing 4-methyldiphenylamine, the single paddle stirring method is prone to producing dead zones and blind spots in local mixing, resulting in poor mixing effect. Therefore, we propose a reaction vessel for preparing 4-methyldiphenylamine. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the existing defects and provide a reaction vessel for preparing the chemical product 4-methyldiphenylamine. In the preparation of 4-methyldiphenylamine, the combination of the rotation of the stirring rod and the circumferential oscillation of the stirring assembly results in a wider stirring range, eliminates blind spots in edge mixing, and achieves better mixing effect, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a reaction vessel for preparing the chemical product 4-methyldiphenylamine, comprising a reaction vessel, wherein a support plate is provided inside the upper end of the reaction vessel, a protective cylinder is provided at the center of the lower end of the support plate, and a mixing mechanism is also included;

[0007] The mixing mechanism includes a circular groove, a sphere, a rotating cylinder, a sealed bearing, a rotating shaft, a stirring rod, and an L-shaped support rod. The top wall of the support plate is rotatably connected to the L-shaped support rod, and the rotating cylinder is fixedly connected to the left side of the lower end of the L-shaped support rod. A sphere is fixedly fitted on the outer wall of the upper end of the rotating cylinder. The bottom wall of the protective cylinder has a circular groove, and the inner arc surface of the circular groove is slidably connected to the outer arc surface of the sphere. The outer surface of the rotating cylinder is rotatably connected to a uniformly distributed rotating shaft through a sealed bearing. The outer wall of the rotating shaft is fixedly connected to a uniformly distributed stirring rod. In the preparation of p-methyldiphenylamine, the combination of the rotation of the stirring rod and the circumferential oscillation of the stirring assembly results in a wider mixing range, eliminates blind spots in edge mixing, and achieves better mixing effect.

[0008] Furthermore, a microcontroller is installed on the outside of the reaction vessel, and the input terminal of the microcontroller is electrically connected to an external power source to provide electrical connections for various electrical components.

[0009] Furthermore, the mixing mechanism also includes a drive assembly, which includes a first bevel gear, a second bevel gear, a rotating column, and a first motor. The rotating column is rotatably connected to the top wall of the rotating cylinder, and the outer wall of the rotating column is fixedly fitted with evenly distributed second bevel gears. The opposite ends of the rotating shaft are respectively fixedly connected to first bevel gears. Two longitudinally adjacent first bevel gears are meshed with second bevel gears located on the same horizontal line. The upper end of the rotating cylinder is equipped with a first motor. The lower end of the output shaft of the first motor is fixedly connected to the upper end of the rotating column. The input end of the first motor is electrically connected to the output end of a microcontroller to provide stirring drive.

[0010] Furthermore, the mixing mechanism also includes a reciprocating drive assembly, which includes a gear, rack one, slide rails, sliding frame, rack two, and half gear. The gear is fixedly sleeved on the outer wall of the upper end of the L-shaped support rod. The middle of the upper end of the support plate is provided with left and right symmetrical slide rails. Sliding frame is slidably connected between the slide rails. Rack one is provided at the right end of the sliding frame. The gear meshes with rack one. Half gear is rotatably connected to the top wall of the reaction vessel through a drive shaft. Rack two is provided on the opposite inner sides of the sliding frame. Half gear is installed in conjunction with rack two to provide a rotatable connection.

[0011] Furthermore, the reciprocating drive assembly also includes a second motor. The upper end of the reaction vessel is equipped with a second motor. The lower end of the output shaft of the second motor is fixedly connected to the upper end of the transmission shaft. The input end of the second motor is electrically connected to the output end of the microcontroller to provide reciprocating drive.

[0012] Furthermore, the outer arc surface of the reaction vessel is provided with a jacket, and a temperature sensor is provided at the upper end of the support plate. The detection end of the temperature sensor extends into the interior of the reaction vessel, and the temperature sensor is bidirectionally electrically connected to the microcontroller for easy temperature control.

[0013] Furthermore, a feed pipe is provided at the feed inlet at the upper end of the reaction vessel, and a discharge pipe is provided at the discharge outlet at the lower end of the reaction vessel. A solenoid valve is connected in series on the outer wall of the upper end of the discharge pipe. The input end of the solenoid valve is electrically connected to the output end of the microcontroller to facilitate feeding and discharging.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: The reaction vessel for preparing the chemical product 4-methyldiphenylamine has the following advantages:

[0015] Driven by motor one, the rotating shaft, supported by a sealed bearing, rotates the stirring rod through a rotating column, bevel gear two, and meshing bevel gear one, achieving the rotation of the stirring rod. Then, driven by motor two, the sliding frame slides left and right along the slide rail through a transmission shaft, half gear, and rack two. Subsequently, the L-shaped support rod swings left and right through rack one and meshing gear. The L-shaped support rod drives the rotating cylinder, rotating shaft, and stirring rod to swing back and forth through a ball and a circular groove, thereby mixing the contents of the reaction vessel. In the preparation of p-methyldiphenylamine, the combination of the rotation of the stirring rod and the circumferential swing of the stirring assembly results in a wider mixing range, eliminates blind spots in edge mixing, and achieves better mixing effect. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the left side structure of this utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0019] Figure 4 This is a cross-sectional view of the hybrid mechanism of this utility model;

[0020] Figure 5 This is an enlarged structural diagram of point A in this utility model;

[0021] Figure 6 This is an enlarged structural diagram of section B of the present invention.

[0022] In the diagram: 1. Reaction vessel, 2. Jacket, 3. Feed pipe, 4. Support plate, 5. Protective cylinder, 6. Mixing mechanism, 61. Circular trough, 62. Sphere, 63. Rotating cylinder, 64. Sealed bearing, 65. Rotating shaft, 66. Stirring rod, 67. L-shaped support rod, 68. Drive assembly, 681. Bevel gear one, 682. Bevel gear two, 683. Rotating column, 684. Motor one, 69. Reciprocating drive assembly, 691. Gear, 692. Rack one, 693. Slide rail, 694. Sliding frame, 695. Rack two, 696. Half gear, 697. Motor two, 7. Temperature sensor, 8. Discharge pipe, 9. Solenoid valve, 10. Microcontroller. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-6 This embodiment provides a technical solution: a reaction vessel for preparing the chemical product 4-methyldiphenylamine, including a reaction tank 1, a support plate 4 inside the upper end of the reaction tank 1, a protective cylinder 5 at the center of the lower end of the support plate 4, and a mixing mechanism 6. A microcontroller 10 is installed outside the reaction tank 1, and the input terminal of the microcontroller 10 is electrically connected to an external power supply. A jacket 2 is provided on the outer arc surface of the reaction tank 1 (the jacket 2 includes an inner layer, an outer layer, and an interface. A hot or cold medium enters the jacket cavity from the inlet and exchanges heat with the medium inside the container when flowing through the outer wall of the container. Through heat conduction and convection heat transfer, the heat of the jacket medium is transferred to the container wall and then to the medium inside the container, thereby achieving temperature control. By adjusting the flow rate, temperature, or circulation speed of the jacket medium, the heating or cooling rate of the medium inside the container is controlled to achieve the temperature range required by the process). The upper end of the support plate 4... A temperature sensor 7 is provided, with its probe extending into the interior of the reaction vessel 1. The temperature sensor 7 is bidirectionally electrically connected to the microcontroller 10. A feed pipe 3 is provided at the feed inlet at the upper end of the reaction vessel 1, and a discharge pipe 8 is provided at the discharge outlet at the lower end of the reaction vessel 1. A solenoid valve 9 is connected in series on the outer wall of the upper end of the discharge pipe 8. The input end of the solenoid valve 9 is electrically connected to the output end of the microcontroller 10. When preparing chemical products, the preparation materials are first injected into the interior of the reaction vessel 1 through the feed pipe 3. During the stirring process, the temperature sensor 7 monitors the temperature inside the reaction vessel 1 in real time and transmits the data to the microcontroller 10. The microcontroller 10 controls the jacket 2 to introduce heating or cooling medium according to the preset temperature threshold. The reaction temperature is maintained through heat exchange. When the temperature exceeds the threshold, the microcontroller 10 starts the cooling mechanism; when the temperature is insufficient, it starts the heating mechanism, thus realizing automated temperature control.

[0025] Mixing mechanism 6 includes a circular groove 61, a sphere 62, a rotating cylinder 63, a sealed bearing 64, a rotating shaft 65, a stirring rod 66, and an L-shaped support rod 67. The top wall of the support plate 4 is rotatably connected to the L-shaped support rod 67. The rotating cylinder 63 is fixedly connected to the left side of the lower end of the L-shaped support rod 67. The outer wall of the upper end of the rotating cylinder 63 is fixedly fitted with the sphere 62. The bottom wall of the protective cylinder 5 has a circular groove 61. The inner arc surface of the circular groove 61 is slidably connected to the outer arc surface of the sphere 62. (A sealed bearing can be installed between the inner arc surface of the circular groove 61 and the outer arc surface of the sphere 62 to provide a sealed rotation between them.) The outer surface of the rotating cylinder 63 is rotatably connected to evenly distributed rotating shafts 65 via the sealed bearing 64. The outer wall of the rotating shaft 65 is fixedly connected with uniformly distributed stirring rods 66. The mixing mechanism 6 also includes a drive assembly 68, which includes a first bevel gear 681, a second bevel gear 682, a rotating column 683, and a first motor 684. The top wall of the rotating cylinder 63 is rotatably connected to the rotating column 683. The outer wall of the rotating column 683 is fixedly fitted with uniformly distributed second bevel gears 682. The opposite ends of the rotating shaft 65 are fixedly connected with first bevel gears 681. Two longitudinally adjacent first bevel gears 681 are meshed with second bevel gears 682 located on the same horizontal line. The upper end of the rotating cylinder 63 is equipped with a first motor 684. The lower end of the output shaft of the first motor 684 is fixedly connected to the upper end of the rotating column 683. The input end of the first motor 684 is electrically connected to the output end of the microcontroller 10. The mixing mechanism 6 also includes a reciprocating drive assembly 69, which includes a gear 691, a rack 692, a slide rail 693, a sliding frame 694, a rack 695, and a half-gear 696. The gear 691 is fixedly sleeved on the outer wall of the upper end of the L-shaped support rod 67. The middle of the upper end of the support plate 4 is provided with left and right symmetrical slide rails 693. The slide rails 693 are slidably connected to the slide rails 694. The right end of the sliding frame 694 is provided with a rack 692. The gear 691 is meshed with the rack 692. The top wall of the reaction tank 1 is rotatably connected to the half-gear 696 through a drive shaft. The opposite inner surfaces of the sliding frame 694 are respectively provided with racks 695. The half-gears 696 are all installed in conjunction with the racks 695. Component 69 also includes a second motor 697. The second motor 697 is located at the upper end of the reaction vessel 1. The lower end of the output shaft of the second motor 697 is fixedly connected to the upper end of the transmission shaft. The input end of the second motor 697 is electrically connected to the output end of the microcontroller 10. Then, by controlling the microcontroller 10, the first motor 684 operates. The output shaft of the first motor 684 drives the rotating column 683 to rotate. The rotating column 683 drives the second bevel gear 682 to rotate. The rotation of the second bevel gear 682, through the meshing bevel gear 681, drives the rotating shaft 65 to rotate under the support of the sealed bearing 64, which in turn drives the stirring rod 66 to rotate. The rotation of the stirring rod 66 rotates the preparation material inside the reaction vessel 1. Then, the second motor 697 operates, and its output shaft drives the transmission shaft to rotate.The drive shaft drives the half-gear 696 to rotate. The half-gear 696 has teeth on only half a turn. When it meshes with the rack 695 inside the sliding frame 694, it pushes the sliding frame 694 to slide left and right along the slide rail 693. This, in turn, meshes the rack 692 on the right end of the sliding frame 694 with the gear 691. The gear 691 is fixed to the upper end of the L-shaped support rod 67. Therefore, the reciprocating motion of the sliding frame 694 is converted into the left and right swinging of the L-shaped support rod 67. The rotating cylinder 63 at the lower end of the L-shaped support rod 67 is slidably connected to the circular groove 61 at the bottom of the protective cylinder 5 via a ball 62. When the L-shaped support rod 67 swings, the rotating cylinder 63 swings in a circular motion within the circular groove 61, using the ball 62 as a fulcrum. This simultaneously drives the rotating cylinder 63, the rotating shaft 65, and the stirring rod 66 to swing back and forth, thereby mixing the contents of the reaction vessel 1.

[0026] The working principle of the reaction vessel for preparing the chemical product 4-methyldiphenylamine provided by this utility model is as follows: When preparing the chemical product, the preparation material is first injected into the reaction vessel 1 through the feed pipe 3. Then, the single-chip microcomputer 10 controls the operation of motor 684. The output shaft of motor 684 drives the rotating column 683 to rotate, which in turn drives the bevel gear 682 to rotate. The rotation of bevel gear 682, through the meshing bevel gear 681, drives the rotating shaft 65 to rotate under the support of the sealed bearing 64, which in turn drives the stirring rod 66 to rotate. The rotation of the stirring rod 66 rotates the preparation material inside the reaction vessel 1. Next, motor 697 operates, and its output shaft drives the transmission shaft to rotate. The transmission shaft drives the half-gear 696 to rotate. The half-gear 696 has teeth on only half a turn. When it meshes with the rack 695 inside the sliding frame 694, it pushes the sliding frame 694 to slide left and right along the slide rail 693. The sliding frame 694 moves, thereby engaging the rack 692 on the right end with the gear 691. The gear 691 is fixed to the upper end of the L-shaped support rod 67. Therefore, the reciprocating motion of the sliding frame 694 is converted into the left and right swinging motion of the L-shaped support rod 67. The rotating cylinder 63 at the lower end of the L-shaped support rod 67 is slidably connected to the circular groove 61 at the bottom of the protective cylinder 5 through the ball 62. When the L-shaped support rod 67 swings, the rotating cylinder 63 swings in a circular motion in the circular groove 61 with the ball 62 as the fulcrum. At the same time, it drives the rotating cylinder 63, the rotating shaft 65 and the stirring rod 66 to swing back and forth, thereby mixing the inside of the reaction tank 1. During the stirring process, the temperature sensor 7 monitors the temperature inside the reaction tank 1 in real time and transmits the data to the microcontroller 10. The microcontroller 10 controls the jacket 2 to introduce heating or cooling medium according to the preset temperature threshold. The reaction temperature is maintained through heat exchange. When the temperature exceeds the threshold, the microcontroller 10 starts the cooling mechanism. When the temperature is insufficient, the heating mechanism is started, thus realizing automatic temperature control.

[0027] It is worth noting that in the above embodiments, the motor 684, the motor 697, and the temperature sensor 7 are disclosed. The motor 684 can be YJ61, the motor 697 can be Y132M-4, and the temperature sensor 7 can be C15-M53R. The microcontroller 10 controls the operation of the motor 684, the motor 697, and the temperature sensor 7 using methods commonly used in the prior art.

[0028] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A reaction vessel for preparing the chemical product 4-methyldiphenylamine, comprising a reaction vessel (1), wherein a support plate (4) is provided inside the upper end of the reaction vessel (1), and a protective cylinder (5) is provided at the center of the lower end of the support plate (4), characterized in that: It also includes a hybrid mechanism (6); Mixing mechanism (6): It includes a circular groove (61), a sphere (62), a rotating cylinder (63), a sealed bearing (64), a rotating shaft (65), a stirring rod (66), and an L-shaped support rod (67). The top wall of the support plate (4) is rotatably connected to the L-shaped support rod (67). The left side of the lower end of the L-shaped support rod (67) is fixedly connected to the rotating cylinder (63). The outer wall of the upper end of the rotating cylinder (63) is fixedly fitted with a sphere (62). The bottom wall of the protective cylinder (5) is provided with a circular groove (61). The inner arc surface of the circular groove (61) is slidably connected to the outer arc surface of the sphere (62). The outer surface of the rotating cylinder (63) is rotatably connected to a uniformly distributed rotating shaft (65) through a sealed bearing (64). The outer wall of the rotating shaft (65) is fixedly connected to a uniformly distributed stirring rod (66).

2. The reaction vessel for preparing the chemical product 4-methyldiphenylamine according to claim 1, characterized in that: The reaction vessel (1) is equipped with a microcontroller (10) on its exterior, and the input terminal of the microcontroller (10) is electrically connected to an external power source.

3. The reaction vessel for preparing the chemical product 4-methyldiphenylamine according to claim 2, characterized in that: The mixing mechanism (6) further includes a drive assembly (68), which includes a bevel gear 1 (681), a bevel gear 2 (682), a rotating column (683), and a motor 1 (684). The rotating column (683) is rotatably connected to the top wall of the rotating cylinder (63). The outer wall of the rotating column (683) is fixedly fitted with evenly distributed bevel gears 2 (682). The opposite ends of the rotating shaft (65) are respectively fixedly connected to bevel gears 1 (681). Two longitudinally adjacent bevel gears 1 (681) are meshed with bevel gears 2 (682) located on the same horizontal line. The upper end of the rotating cylinder (63) is provided with a motor 1 (684). The lower end of the output shaft of the motor 1 (684) is fixedly connected to the upper end of the rotating column (683). The input end of the motor 1 (684) is electrically connected to the output end of the microcontroller (10).

4. The reaction vessel for preparing the chemical product 4-methyldiphenylamine according to claim 3, characterized in that: The mixing mechanism (6) further includes a reciprocating drive assembly (69), which includes a gear (691), a rack (692), a slide rail (693), a sliding frame (694), a rack (695), and a half-gear (696). The gear (691) is fixedly sleeved on the outer wall of the upper end of the L-shaped support rod (67). The middle part of the upper end of the support plate (4) is provided with left and right symmetrical slide rails (693). The slide rails (693) are slidably connected to each other. The right end of the sliding frame (694) is provided with a rack (692). The gear (691) is meshed with the rack (692). The top wall of the reaction tank (1) is rotatably connected to the half-gear (696) through a transmission shaft. The opposite inner sides of the sliding frame (694) are respectively provided with racks (695). The half-gear (696) is installed in cooperation with racks (695).

5. The reaction vessel for preparing the chemical product 4-methyldiphenylamine according to claim 4, characterized in that: The reciprocating drive assembly (69) also includes a second motor (697). The upper end of the reaction vessel (1) is provided with the second motor (697). The lower end of the output shaft of the second motor (697) is fixedly connected to the upper end of the transmission shaft. The input end of the second motor (697) is electrically connected to the output end of the microcontroller (10).

6. The reaction vessel for preparing the chemical product 4-methyldiphenylamine according to claim 2, characterized in that: The outer arc surface of the reaction vessel (1) is provided with a jacket (2), and the upper end of the support plate (4) is provided with a temperature sensor (7). The detection end of the temperature sensor (7) extends into the interior of the reaction vessel (1), and the temperature sensor (7) is bidirectionally electrically connected to the microcontroller (10).

7. The reaction vessel for preparing the chemical product 4-methyldiphenylamine according to claim 2, characterized in that: The reaction vessel (1) has a feed pipe (3) at the feed inlet at the upper end and a discharge pipe (8) at the discharge outlet at the lower end. A solenoid valve (9) is connected in series on the outer wall of the upper end of the discharge pipe (8). The input end of the solenoid valve (9) is electrically connected to the output end of the microcontroller (10).

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