Acetic acid synthesis reaction device with turbulent flow self-stirring function

Abstract

The utility model discloses an acetic acid synthesis reaction device with a turbulent flow self-stirring function, and relates to the technical field of acetic acid synthesis reaction, according to the acetic acid synthesis reaction device with the turbulent flow self-stirring function, production raw materials and a catalyst are added into a reactor main body, and meanwhile, a transmission shaft is driven to rotate through a stirring motor; the stirring rod stirs the internal raw materials, and the solution flows to drive the stirring blades to rotate to form stirring at various angles, and is matched with the rotation of the anti-precipitation blades to form rising solution flowing, so that a turbulent flow self-stirring function is realized, and the working efficiency of acetic acid synthesis reaction is improved; the heat energy emitted by the reactor main body is absorbed by the medium in the heat exchange pipe, and the heat energy medium is conveyed to the heat energy recovery module by matching with the external liquid outlet pipe, so that the heat energy is recycled, the heat energy is prevented from being directly dissipated in the operation process, and the reasonable energy planning of the acetic acid synthesis reaction device is favorably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of acetic acid synthesis reaction, in particular to an acetic acid synthesis reaction device with a turbulent flow self-stirring function. Background Technique

[0002] Acetic acid is an important basic organic chemical raw material. Its development reflects the development of the organic chemical industry. The methanol carbonylation process for synthesizing acetic acid is currently the most competitive acetic acid production process in the market. Methanol and carbon monoxide react to synthesize acetic acid under the action of a catalyst. The reaction process is a strong exothermic reaction. Detection units such as temperature and flow rate, and actuator units such as regulating valves are important components of the acetic acid synthesis reaction device.

[0003] For example, the patent number is CN205164737U. The utility model discloses a liquid-stirring acetic acid synthesis reactor for industrial acetic acid synthesis, which includes a cylindrical reactor main body, a catalyst return port arranged at the center of the bottom of the reactor main body, a methanol inlet arranged on one side of the catalyst return port, and a carbon monoxide inlet arranged on the other side of the catalyst return port. The bottom of the reactor main body is a downwardly convex arc surface; the carbon monoxide inlet and the methanol inlet are respectively inclined away from the center of the bottom of the reactor main body. The liquid-stirring acetic acid synthesis reactor of the utility model adopts a liquid-stirring method combining gas flow stirring and jet stirring, and does not require a mechanical stirrer for mechanical stirring. It solves the problems of short service life of the mechanical seal and the bottom shaft sleeve during mechanical stirring, reduces the equipment maintenance and replacement costs, and saves power consumption.

[0004] The existing acetic acid synthesis reaction device has certain limitations in energy recovery and utilization. Moreover, a large amount of heat energy is generated when the acetic acid synthesis reaction device is working, but it is difficult to collect it reasonably, so that the heat energy dissipates during the operation process, resulting in a certain amount of resource waste. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides an acetic acid synthesis reaction device with a turbulent flow self-stirring function to solve the problems put forward in the above background technique that the existing acetic acid synthesis reaction device has certain limitations in energy recovery and utilization, and a large amount of heat energy is generated when the acetic acid synthesis reaction device is working, but it is difficult to collect it reasonably, so that the heat energy dissipates during the operation process, resulting in a certain amount of resource waste.

[0006] To achieve the above object, the present utility model is realized by the following technical solutions: An acetic acid synthesis reaction device with a spoiler self-stirring function, including a reactor main body, a stirring motor is fixedly installed at the upper end of the reactor main body, the output end of the stirring motor extends into the reactor main body and is fixedly installed with a transmission shaft, stirring rods are fixedly installed on the surface of the transmission shaft, stirring blades are arranged on the surface of the stirring rods, a tank shell is fixedly installed on the surface of the reactor main body, heat exchange tubes are fixedly installed between the tank shell and the reactor main body, one end of the heat exchange tube is fixedly connected with an external liquid inlet pipe, and the other end of the heat exchange tube is fixedly connected with an external liquid outlet pipe.

[0007] Preferably, the output end of the stirring motor is rotatably connected with the reactor main body, and the stirring rods are evenly distributed.

[0008] Preferably, the stirring blades are rotatably connected with the stirring rods, and the stirring blades are designed in a centrosymmetric structure.

[0009] Preferably, a sediment prevention blade is fixedly installed at the lower end of the transmission shaft, and the sediment prevention blade is designed in a centrosymmetric structure.

[0010] Preferably, the tank shell is made of heat insulation and heat preservation material, and the heat exchange tube is designed in a spiral structure.

[0011] Preferably, the ends of the external liquid inlet pipe and the external liquid outlet pipe far away from the heat exchange tube both extend to the outside of the tank shell and are fixedly connected with a heat energy recovery module, and a liquid pump is arranged on the surface of the external liquid outlet pipe.

[0012] Preferably, a safety monitoring module is fixedly installed on the front side of the upper end of the reactor main body, and a control panel is fixedly installed on the front end of the surface of the tank shell.

[0013] Beneficial effects

[0014] The present utility model provides an acetic acid synthesis reaction device with a spoiler self-stirring function. Compared with the prior art, it has the following beneficial effects:

[0015] 1. For the acetic acid synthesis reaction device with a spoiler self-stirring function, first add production raw materials and catalysts into the reactor main body, and at the same time drive the transmission shaft to rotate through the stirring motor, so that the stirring rods stir the internal raw materials, and the solution flow drives the stirring blades to rotate, forming stirring at multiple angles, and cooperating with the rotation of the sediment prevention blade to form an upward solution flow, thereby realizing the spoiler self-stirring function, which is beneficial to improving the operation efficiency of the acetic acid synthesis reaction.

[0016] 2. During the process of heat generation in the acetic acid synthesis reaction with the function of turbulent flow self-stirring, the medium inside the heat exchange tube absorbs the heat energy dissipated by the reactor main body, and cooperates with the externally connected liquid outlet pipe to transport the heat energy medium to the heat energy recovery module, thus realizing the recycling of heat energy, avoiding the direct dissipation of heat energy during the operation process, and being beneficial to improving the rational planning of energy for the acetic acid synthesis reaction device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is a structural schematic diagram of the heat exchange tube of the present utility model;

[0019] Figure 3 is a structural schematic diagram of the stirring rod of the present utility model;

[0020] Figure 4 is a structural schematic diagram of the present utility model.

[0021] In the figure: 1. Reactor main body; 2. Stirring motor; 3. Transmission shaft; 4. Stirring rod; 5. Stirring blade; 6. Tank body shell; 7. Heat exchange tube; 8. Externally connected liquid inlet pipe; 9. Externally connected liquid outlet pipe; 10. Anti-precipitation blade; 11. Liquid pump; 12. Safety monitoring module; 13. Control panel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0023] Please refer to Figures 1-4, the present utility model provides a technical solution: an acetic acid synthesis reaction device with a flow disturbance and self-stirring function, including a reactor main body 1. A stirring motor 2 is fixedly installed at the upper end of the reactor main body 1. The output end of the stirring motor 2 extends into the reactor main body 1 and is fixedly installed with a transmission shaft 3. A stirring rod 4 is fixedly installed on the surface of the transmission shaft 3. Stirring blades 5 are arranged on the surface of the stirring rod 4. The output end of the stirring motor 2 is rotationally connected to the reactor main body 1. The stirring rods 4 are evenly distributed. The stirring blades 5 are rotationally connected to the stirring rods 4. The stirring blades 5 are designed with a central symmetry structure. A sediment prevention blade 10 is fixedly installed at the lower end of the transmission shaft 3. The sediment prevention blade 10 is designed with a central symmetry structure. First, production raw materials and catalysts are added into the reactor main body 1. At the same time, the transmission shaft 3 is driven to rotate by the stirring motor 2, so that the stirring rods 4 stir the internal raw materials. And the flowing solution drives the stirring blades 5 to rotate, forming stirring at multiple angles. Cooperating with the rotation of the sediment prevention blade 10 to form an upward solution flow, thereby realizing the flow disturbance and self-stirring function, which is beneficial to improving the operation efficiency of the acetic acid synthesis reaction;

[0024] A tank shell 6 is fixedly installed on the surface of the reactor main body 1. A heat exchange tube 7 is fixedly installed between the tank shell 6 and the reactor main body 1. One end of the heat exchange tube 7 is fixedly connected with an external liquid inlet pipe 8. The other end of the heat exchange tube 7 is fixedly connected with an external liquid outlet pipe 9. The tank shell 6 is made of heat-insulating and heat-preserving material. The heat exchange tube 7 is designed with a spiral structure. The ends of the external liquid inlet pipe 8 and the external liquid outlet pipe 9 away from the heat exchange tube 7 both extend to the outside of the tank shell 6 and are fixedly connected with a heat energy recovery module. A liquid pump 11 is arranged on the surface of the external liquid outlet pipe 9. A safety monitoring module 12 is fixedly installed on the front side of the upper end of the reactor main body 1. A control panel 13 is fixedly installed on the front end of the surface of the tank shell 6. During the process of generating heat energy in the synthesis reaction, the medium inside the heat exchange tube 7 absorbs the heat energy dissipated by the reactor main body 1, and cooperates with the external liquid outlet pipe 9 to transport the heat energy medium to the heat energy recovery module, thereby realizing the recovery and reuse of heat energy, avoiding the direct dissipation of heat energy during the operation process, and being beneficial to improving the reasonable energy planning of the acetic acid synthesis reaction device.

[0025] During operation, first, production raw materials and catalysts are added into the reactor main body 1. At the same time, the transmission shaft 3 is driven to rotate by the stirring motor 2, so that the stirring rods 4 stir the internal raw materials. And the flowing solution drives the stirring blades 5 to rotate, forming stirring at multiple angles. Cooperating with the rotation of the sediment prevention blade 10 to form an upward solution flow, thereby realizing the flow disturbance and self-stirring function. During the process of generating heat energy in the synthesis reaction, the medium inside the heat exchange tube 7 absorbs the heat energy dissipated by the reactor main body 1, and cooperates with the external liquid outlet pipe 9 to transport the heat energy medium to the heat energy recovery module, thereby realizing the recovery and reuse of heat energy, avoiding the direct dissipation of heat energy during the operation process.

[0026] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

Claims

1. An acetic acid synthesis reaction device with a spoiler self-stirring function, comprising a reactor main body (1), characterized in that: A stirring motor (2) is fixedly installed at the upper end of the reactor main body (1). The output end of the stirring motor (2) extends into the interior of the reactor main body (1) and is fixedly installed with a transmission shaft (3). A stirring rod (4) is fixedly installed on the surface of the transmission shaft (3). Stirring blades (5) are arranged on the surface of the stirring rod (4). A tank shell (6) is fixedly installed on the surface of the reactor main body (1). Heat exchange tubes (7) are fixedly installed between the tank shell (6) and the reactor main body (1). One end of the heat exchange tube (7) is fixedly connected with an external liquid inlet pipe (8), and the other end of the heat exchange tube (7) is fixedly connected with an external liquid outlet pipe (9). The stirring blade (5) is rotatably connected with the stirring rod (4). The stirring blade (5) is designed with a central symmetry structure. A sediment prevention blade (10) is fixedly installed at the lower end of the transmission shaft (3). The sediment prevention blade (10) is designed with a central symmetry structure.

2. The acetic acid synthesis reaction device with a spoiler self-stirring function according to claim 1, wherein: The output end of the stirring motor (2) is rotatably connected with the reactor main body (1), and the stirring rods (4) are evenly distributed.

3. The acetic acid synthesis reaction device with a spoiler self-stirring function according to claim 1, wherein: The tank shell (6) is made of heat insulation and heat preservation material, and the heat exchange tube (7) is designed with a spiral structure.

4. The acetic acid synthesis reaction device with a spoiler self-stirring function according to claim 1, characterized in that: One ends of the external liquid inlet pipe (8) and the external liquid outlet pipe (9) far away from the heat exchange tube (7) both extend to the outside of the tank shell (6) and are fixedly connected with a heat energy recovery module. A liquid pump (11) is arranged on the surface of the external liquid outlet pipe (9).

5. The acetic acid synthesis reaction device with a spoiler self-stirring function according to claim 1, characterized in that: A safety monitoring module (12) is fixedly installed on the front side of the upper end of the reactor main body (1), and a control panel (13) is fixedly installed on the front end of the surface of the tank shell (6).

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