A jacketed reactor with rapid and uniform stirring

Abstract

The utility model discloses a jacketed reactor with fast and uniform stirring, which belongs to the technical field of chemical equipment. The utility model comprises a reactor body, the reactor body comprises an inner cylinder body and a jacketed cylinder body arranged outside the inner cylinder body, the upper end of the inner cylinder body is connected to a sealing cover, the sealing cover is provided with a stirring assembly, and the inner cylinder body is provided with a circulating jet assembly and a filtering and discharging assembly; the stirring assembly cooperates with the jacketed cylinder body to perform initial heating and mixing on the materials in the inner cylinder body, the circulating jet assembly is used to perform intensive mixing on the materials in the inner cylinder body, and the filtering and discharging assembly is used to filter and discharge the materials in the inner cylinder body. The utility model provides a stirring assembly and a first baffle, and the stirring assembly cooperates with the first baffle to stir the materials, and the circulating jet assembly is provided in the inner cylinder body to achieve intensive mixing of the materials in the inner cylinder body, thereby improving the reaction efficiency, shortening the reaction time, and improving the mixing quality.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical equipment, and in particular relates to a jacketed reaction kettle with rapid and uniform stirring. Background Art

[0002] Reactors are broadly understood as containers for physical or chemical reactions. Through the structural design and parameter configuration of the container, the heating, evaporation, cooling and low-speed mixing functions required by the process are realized. Reactors are widely used in petroleum, chemical, rubber, pesticide, dye, medicine and food. They are pressure vessels used to complete processes such as sulfidation, nitration, hydrogenation, hydrocarbonization, polymerization and condensation. Their structure is generally composed of a reactor body, a transmission device, a stirring device, a heating device, a cooling device and a sealing device, and corresponding auxiliary equipment: a fractionating column, a condenser, a water separator, a collecting tank and a filter, etc.

[0003] After searching, it is found that the reactor disclosed in the Chinese utility model patent with application number 201310318794.1 includes a reactor body, a reactor cover with a feed port is installed on the reactor body, a stirring device is provided on the reactor cover, the stirring device includes a stirring shaft and a stirring frame sleeved on the stirring shaft, the stirring frame is composed of an arc-shaped stirring rod and vertical stirring rods connected at both ends of the stirring rod, a plurality of inclined stirring paddles are provided between the two vertical stirring rods, and the angle a between the plate surface of the stirring paddle and the horizontal plane is 55 degrees to 65 degrees.

[0004] When the above reactor is used to stir and mix materials, the materials will form a vortex in the reactor, causing the materials to swirl all the time, making it impossible to stir and mix the materials, and easily generating agglomerates, resulting in poor mixing and stirring effects, affecting reaction efficiency, and poor practicality. Utility Model Content

[0005] In view of the problems of uneven stirring and mixing and low reaction efficiency in the existing reactors mentioned in the background technology, the utility model proposes a jacketed reactor with fast and uniform stirring, which can eliminate the swirling of liquid in the stirring container, promote the up and down axial rolling of the material in the reactor, achieve uniform stirring and mixing between the materials in the reactor, and effectively improve the stirring effect and mixing quality.

[0006] Technical solution: In order to solve the above technical problems, the technical solution adopted by the utility model is as follows:

[0007] A jacketed reactor with rapid and uniform stirring comprises a reactor body, the reactor body comprising an inner cylinder body and a jacketed cylinder body arranged outside the inner cylinder body, the upper end of the inner cylinder body is connected to a sealing cover, the sealing cover is provided with a stirring assembly, and the inner cylinder body is provided with a circulating jet assembly and a filtering output assembly; the stirring assembly cooperates with the jacketed cylinder body to perform initial heating and mixing on the material in the inner cylinder body, the circulating jet assembly is used to perform intensive mixing on the material in the inner cylinder body, and the filtering output assembly is used to filter and discharge the material in the inner cylinder body.

[0008] Preferably, the stirring assembly comprises a motor, a stirring shaft and a stirrer; one end of the stirring shaft is connected to the stirrer, and the other end passes through the sealing cover and is connected to the motor.

[0009] Preferably, a first baffle is provided inside the inner cylinder.

[0010] Preferably, the filter output assembly comprises a filter plate and a material outlet; the filter plate is located below the agitator and connected to the inner wall of the inner cylinder body, and the material outlet is arranged at the bottom end of the inner cylinder body.

[0011] Preferably, the circulating jet assembly includes a jet pump, a first output pipe, a first input pipe, a second input pipe, a first ejector and a second ejector; one end of the first output pipe is connected to the jet pump, and the other end passes through the inner cylinder body and is connected to the filter plate, one end of the first input pipe is connected to the jet pump, and the other end is connected to the second input pipe, the second input pipe is arranged on the sealing cover, the first ejector is arranged on the first input pipe, and the second ejector is arranged on the second input pipe.

[0012] Preferably, a plurality of second baffles are provided in the second inlet pipe.

[0013] Preferably, the sealing cover is provided with a material inlet and a manhole sight glass.

[0014] Preferably, a support column is provided at the lower end of the kettle body, a transverse plate is provided on the support column, and the jet pump is arranged on the transverse plate.

[0015] Beneficial effects: Compared with the prior art, the utility model has the following advantages:

[0016] (1) The utility model provides a stirring assembly and a first baffle, and uses the stirring assembly in cooperation with the first baffle to stir the material. At the same time, steam is introduced into the jacketed cylinder to heat the material in the inner cylinder, thereby achieving initial heating and mixing of the material in the inner cylinder.

[0017] (2) The utility model realizes enhanced mixing of the materials in the inner cylinder body by arranging a circulating jet assembly in the inner cylinder body, thereby improving the reaction efficiency, shortening the reaction time, and improving the mixing quality.

[0018] (3) The utility model sets a filter plate in the inner cylinder body. After the material mixing is completed, the material outlet is opened, and the material in the inner cylinder body passes through the filter plate and is discharged from the material outlet. The mixed material is finally filtered by the filter plate to ensure the quality of material mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the jacketed reactor with rapid and uniform stirring of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a circulating jet component and a filtering output component of a jacketed reactor with rapid and uniform stirring of the utility model;

[0021] Figure 3 It is a top view of a filter plate of a jacketed reactor with rapid and uniform stirring of the utility model. DETAILED DESCRIPTION

[0022] The present invention will be further explained below in conjunction with specific embodiments. The embodiments are implemented based on the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0023] like Figure 1-3 As shown, the jacketed reactor with rapid and uniform stirring provided in this embodiment mainly comprises a reactor body, an inner cylinder body 1, a jacket cylinder body 2, a stirring assembly, a circulating jet assembly, a filtering output assembly, a support column 19, and a transverse plate 21.

[0024] The kettle body comprises an inner cylinder body 1 and a jacket cylinder body 2 arranged outside the inner cylinder body 1. A circulating jet component and a filtering output component are arranged in the inner cylinder body 1. A supporting column 19 is arranged at the lower end of the kettle body, and a horizontal plate 21 is arranged on the supporting column 19.

[0025] like Figure 1-3 As shown, a sealing cover 3 is provided at the upper end of the inner cylinder body 1, and a material inlet 18, a manhole sight glass, a stirring assembly, a mounting base plate 7, a frame 8 and a coupling are provided on the sealing cover 3; the frame 8 is arranged on the mounting base plate 7, and the coupling is arranged in the mounting base plate 7.

[0026] The stirring assembly includes a motor 4, a stirring shaft 5 and a stirrer 6; the motor 4 is arranged on a frame 8 and connected to a coupling; one end of the stirring shaft 5 is connected to the motor through a coupling, and the other end passes through the sealing cover 3 and is placed in the inner cylinder body 1 and connected to the stirrer 6.

[0027] A first baffle 9 is provided on the inner wall of the inner barrel body 1. When the material enters the inner barrel body 1, the motor 4 is started to run, driving the stirring shaft 5 to rotate, thereby driving the agitator 6 to stir and mix the material. At the same time, the first baffle 9 is used to stir and impact the material to eliminate the liquid vortex generated during stirring, promote the mixing and stirring of the material, and achieve preliminary mixing of the material.

[0028] The circulating jet assembly includes a jet pump 10, a first output pipe 11, a first input pipe 12, a second input pipe 13, a first ejector 14 and a second ejector 15; one end of the first output pipe 11 is connected to the jet pump 10, and the other end enters the inner cylinder body 1 from the bottom end of the inner cylinder body 1, and is penetrated and arranged on the filter plate 16, one end of the first input pipe 12 is connected to the jet pump 10, and the other end is connected to the second input pipe 13, the second input pipe 13 is arranged on the sealing cover 3, the first ejector 14 is arranged on the first input pipe 12, and the second ejector 15 is arranged on the second input pipe 13.

[0029] In this embodiment, the mouth of the second input pipe 13 is a bell mouth, which is convenient for guiding the material output from the second input pipe 13 into the inner cylinder body 1. A plurality of second baffles are provided on the inner wall of the second input pipe 13, and the second baffles are in an inverted cone shape.

[0030] After the initial heating, stirring and mixing of the material is completed, the jet pump 10 is started to extract the material in the inner cylinder body 1 through the first output pipe 11, and the first enhanced jet mixing is performed through the first ejector 14 in the first input pipe 12 and transported to the second input pipe 13, and then the second enhanced jet mixing is performed through the second ejector 15 in the second input pipe 13, and then the material is mixed again and transported to the inner cylinder body 1 through multiple second baffles in the second input pipe 13, and multiple cycles of jet mixing are performed to achieve enhanced jet mixing of the material in the inner cylinder body 1.

[0031] Through the two jet mixing and the mixing of the second baffle, the materials in the reactor are promoted to form an up and down circulating pumping mixing, which effectively improves the stirring effect and mixing quality, improves the reaction efficiency, and shortens the reaction time.

[0032] In this embodiment, the inlet end of the first output pipe 11 is located above the filter plate 16 , and the jet pump 10 is placed on the transverse plate 21 .

[0033] The filter output assembly includes a filter plate 16 and a material outlet 17; the filter plate 16 is located below the agitator 6 and connected to the inner wall of the inner barrel body 1, the filter plate 16 adopts a double-layer structure, and a plurality of mesh holes are provided on the filter plate 16; the material inlet 18 is arranged at the bottom end of the inner barrel body 1.

[0034] After the material mixing is completed, the material outlet 17 is opened, and the material in the inner barrel body 1 passes through the filter plate 16 and is discharged from the material outlet 17. The mixed material is finally filtered by the filter plate 16 to further ensure the mixing quality of the output material.

[0035] In this embodiment, two material outlets 17 are provided to improve the material discharge efficiency.

[0036] A jacket inlet and an exhaust port are provided at the side end of the jacket cylinder 2 , and a jacket outlet 20 is provided at the bottom end of the jacket cylinder 2 .

[0037] The working principle and use process of the utility model are as follows: first, the inner cylinder body 1 and the sealing cover 3 are sealed and closed, the motor 4 is connected to the external power supply, the material inlet 18 is opened, the material is transported into the inner cylinder body 1, the motor 4 is started to drive the stirring shaft 5 and the stirrer 6 to rotate, and the material is stirred and mixed. At the same time, the jacket inlet is opened, and steam is introduced into the jacket cylinder 2 to heat the material in the inner cylinder body 1, and the auxiliary stirrer 6 is used for rapid stirring and mixing; after the initial heating and stirring is completed, the jet pump 10 is started, and the material in the inner cylinder body 1 is extracted through the first output pipe 11, and the first enhanced jet mixing is carried out through the first ejector 14 in the first input pipe 12 and transported to the second input pipe 13 for the first time, and then the second ejector 15 in the second input pipe 13 is used for the second enhanced jet mixing, and then the mixing is carried out through the multiple second baffles in the second input pipe 13 to the inner cylinder body 1, and multiple cycles of jet mixing are carried out to achieve the enhanced jet mixing of the material in the inner cylinder body 1.

[0038] After the material mixing is completed, the steam in the jacket cylinder 2 is discharged, and then the material outlet 17 is opened, and the material in the inner cylinder 1 passes through the filter plate 16 and is discharged from the material outlet 17. The mixed material is finally filtered through the filter plate 16 to ensure the quality of material mixing.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A jacketed reactor for rapid and uniform stirring, comprising a reactor body, the reactor body comprising an inner cylinder body (1) and a jacket cylinder body (2) arranged outside the inner cylinder body (1), characterized in that: The upper end of the inner cylinder body (1) is connected to a sealing cover (3), the sealing cover (3) is provided with a stirring assembly, and the inner cylinder body (1) is provided with a circulating jet assembly and a filtering output assembly; the stirring assembly cooperates with the jacketed cylinder (2) to perform initial heating and mixing on the material in the inner cylinder body (1), the circulating jet assembly is used to perform intensive mixing on the material in the inner cylinder body (1), and the filtering output assembly is used to filter and discharge the material in the inner cylinder body (1).

2. The jacketed reactor with rapid and uniform stirring according to claim 1, characterized in that: The stirring assembly comprises a motor (4), a stirring shaft (5) and a stirrer (6); one end of the stirring shaft (5) is connected to the stirrer (6), and the other end passes through the sealing cover (3) and is connected to the motor (4).

3. The jacketed reactor with rapid and uniform stirring according to claim 1, characterized in that: A first baffle (9) is provided inside the inner cylinder body (1).

4. The jacketed reactor with rapid and uniform stirring according to claim 1, characterized in that: The filtering output assembly comprises a filter plate (16) and a material outlet (17); the filter plate (16) is located below the agitator (6) and connected to the inner wall of the inner barrel body (1); and the material outlet (17) is arranged at the bottom end of the inner barrel body (1).

5. The jacketed reactor with rapid and uniform stirring according to claim 1, characterized in that: The circulating jet assembly comprises a jet pump (10), a first output pipe (11), a first input pipe (12), a second input pipe (13), a first ejector (14) and a second ejector (15); one end of the first output pipe (11) is connected to the jet pump (10), and the other end penetrates into the inner cylinder body (1) and is connected to the filter plate (16); one end of the first input pipe (12) is connected to the jet pump (10), and the other end is connected to the second input pipe (13); the second input pipe (13) is arranged on the sealing cover (3); the first ejector (14) is arranged on the first input pipe (12); and the second ejector (15) is arranged on the second input pipe (13).

6. The jacketed reactor with rapid and uniform stirring according to claim 5, characterized in that: A plurality of second baffles are arranged in the second inlet pipe (13).

7. The jacketed reactor with rapid and uniform stirring according to claim 1, characterized in that: The sealing cover (3) is provided with a material inlet (18) and a manhole sight glass.

8. The jacketed reactor with rapid and uniform stirring according to claim 1, characterized in that: A support column (19) is provided at the lower end of the kettle body, a transverse plate (21) is provided on the support column (19), and the jet pump (10) is arranged on the transverse plate (21).

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