CN216778768U - A continuous process hydrogenation reactor - Google Patents

Abstract

The utility model provides a continuous hydrogenation reaction device, which relates to the technical field of hydrogenation reaction kettles, and comprises a reactor body, wherein the reactor body includes a reaction barrel and an auxiliary mixing mechanism, and the auxiliary mixing mechanism is arranged at the bottom of the reaction barrel. Inside, the auxiliary mixing mechanism includes a stirring frame and a spray head, the stirring frame is movably installed on the inner lower end of the reaction barrel, and a rotating shaft is installed on the upper end of the stirring frame, and the upper end of the rotating shaft movably runs through the upper end of the reaction barrel and is connected with the reaction barrel. The outputs of the motors are connected to each other. In the utility model, after the user injects the raw materials into the interior of the reaction barrel through the feeding pipe, through the cooperation of the rotating rack, the mixing rack and the spray head, the liquid, gaseous and solid raw materials in the reaction barrel are mixed and reacted, and through the spray head The spraying increases the contact area between the liquid state and the gaseous state, thereby further accelerating the mixing reaction efficiency of the raw materials.

Description

A continuous process hydrogenation reactor

technical field

The utility model relates to the technical field of hydrogenation reaction kettles, in particular to a continuous hydrogenation reaction device.

Background technique

Hydrogenation reactor is a very important equipment in organic chemistry laboratory and actual production process. It can not only be used as a container for hydrogenation reaction, but also can be used in occasions where liquid and gas need to be fully mixed. However, in the process of using the hydrogenation reactor, because the volume of the reactor is too large, and the materials to be reacted include gas-phase hydrogen, liquid-phase raw materials and solid-phase catalysts, it is difficult for the three to be fully mixed in the reactor. , which leads to low catalytic hydrogenation reaction efficiency and affects the final product quality. At this time, we propose a hydrogenation reaction device to speed up the reaction efficiency of materials and improve product quality.

Utility model content

The main purpose of the present invention is to provide a continuous hydrogenation reaction device, which can effectively solve the problems in the background technology.

To achieve the above purpose, the technical scheme adopted by the present utility model is:

A continuous hydrogenation reaction device includes a reactor body, the reactor body includes a reaction barrel and an auxiliary mixing mechanism, the auxiliary mixing mechanism is arranged inside the reaction barrel, and the auxiliary mixing mechanism includes a stirring frame and an auxiliary mixing mechanism. Nozzle, the stirring frame is movably installed on the inner lower end of the reaction barrel, a rotating shaft is installed on the upper end of the stirring frame, and the upper end of the rotating shaft movably runs through the upper end of the reaction barrel and is interconnected with the output end of the motor, and the nozzle is provided with Several are installed on both sides of the inner upper end of the reaction barrel, a plurality of feeding pipes are installed through the upper surface of the reaction barrel, and a discharge pipe is installed through the inner lower side of the reaction barrel, and the feeding pipes are connected with each other. The inside of the discharge pipe is respectively provided with a valve.

Preferably, the motor is installed on the upper surface of the reaction barrel through a fixing frame, a sealing block is fixedly installed on the outer side of the upper end of the shaft, and the sealing block is installed inside the sealing groove, and the sealing groove is provided in the reaction barrel the inner top of the .

Preferably, a rotating slot is provided on the outside of the shaft of the rotating shaft, and a rotating block is movably installed in the inside of the rotating slot, and the ends of the rotating blocks that are far away from each other are respectively connected with the connecting rod.

Preferably, the ends of the connecting rods that are far away from each other are respectively connected with the gears, the gears and the teeth are meshed and connected, and the teeth are respectively arranged on the inner lower surface of the annular groove, and the annular groove It is arranged on the inner upper end of the reaction barrel, the teeth are at the same interval, and the shafts of the connecting rods are respectively fixed with mixing racks.

Preferably, the spray heads are respectively connected with the transport pipes, the lower ends of the transport pipes are respectively connected with the header pipe, and the upper end of the header pipe is provided with a No. 2 connecting pipe.

Preferably, the No. 2 connecting pipe and the output end of the water pump are connected to each other, the water pump is installed in the interior of the placing tank, the placing groove is arranged at the inner lower end of the reaction barrel, and the input end of the water pump is connected to the No. 1 connecting pipe. connected to each other.

Preferably, the upper end of the No. 1 connecting pipe is installed through the inner lower surface of the reaction barrel, a filter screen is installed on the inner upper end of the No. 1 connecting pipe, and a movable frame is installed in the middle of the lower end of the stirring frame. The frame and the filter are attached to each other.

Compared with the prior art, the utility model has the following beneficial effects:

(1) in the utility model, after the user injects the raw material into the interior of the reaction barrel through the feeding pipe, through the cooperation of the rotating frame, the mixing frame and the nozzle, the liquid, gaseous and solid raw materials in the reaction barrel are mixed and reacted. And the contact area between the liquid state and the gaseous state is increased through the spraying of the nozzle, thereby further accelerating the mixing reaction efficiency of the raw materials.

(2) In the utility model, the unmelted solid raw material retained on the surface of the filter screen is pushed through the cooperation of the stirring frame and the movable frame, thereby preventing the solid raw material from clogging the filter screen and making it easier for the water pump to guide the work.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of continuous process hydrogenation reaction device of the present invention;

Fig. 2 is the front view structure schematic diagram of a kind of continuous process hydrogenation reaction device of the present utility model;

Fig. 3 is the side view structure schematic diagram of a kind of continuous hydrogenation reaction device of the present invention;

Fig. 4 is a schematic diagram of the cross-sectional structure at A-A in Fig. 2 of a continuous process hydrogenation reaction device of the present invention;

Fig. 5 is a schematic diagram of the cross-sectional structure at B-B in Fig. 3 of a continuous hydrogenation reaction device of the present invention;

FIG. 6 is an enlarged schematic view of the structure at C in FIG. 5 of a continuous hydrogenation reaction device of the present invention.

In the figure: 1. Reactor body; 2. Reaction barrel; 3. Feeding pipe; 4. Auxiliary mixing mechanism; 401, Motor; 402, Rotating shaft; 403, Sealing block; , rotating block; 407, rotating groove; 408, connecting rod; 409, gear; 410, annular groove; 411, teeth; 412, movable frame; 413, No. 1 connecting pipe; 414, filter screen; ; 416, water pump; 417, No. 2 connecting pipe; 418, main pipe; 419, transport pipe; 420, nozzle; 421, mixing rack; 5, valve; 6, discharge pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example

As shown in Figures 1-6, a continuous hydrogenation reaction device includes a reactor body 1, the reactor body 1 includes a reaction barrel 2 and an auxiliary mixing mechanism 4, and the auxiliary mixing mechanism 4 is arranged inside the reaction barrel 2, The auxiliary mixing mechanism 4 includes a stirring frame 405 and a spray head 420. The stirring frame 405 is movably installed at the inner lower end of the reaction barrel 2, and the upper end of the stirring frame 405 is installed with a rotating shaft 402. The upper end of the rotating shaft 402 is movable through the upper end of the reaction barrel 2 and is connected with the motor. The output ends of 401 are connected to each other, and the nozzles 420 are provided with several and are respectively installed on both sides of the inner upper end of the reaction barrel 2. The upper surface of the reaction barrel 2 is installed with a number of feed pipes 3, and the inner lower side of the reaction barrel 2 is installed through the installation. There is a discharge pipe 6, and a valve 5 is respectively provided inside the feed pipe 3 and the discharge pipe 6.

In the specific setting, the motor 401 is installed on the upper surface of the reaction barrel 2 through the fixing frame, the outer side of the upper end of the rotating shaft 402 is fixedly installed with a sealing block 403, and the sealing block 403 is installed inside the sealing groove 404, and the sealing groove 404 is set in the reaction tank 404. The inner upper end of barrel 2. Through the cooperation of the sealing block 403 and the sealing groove 404, the sealing performance inside the reaction barrel 2 is strengthened, so that the raw materials can be mixed and reacted better, so that even if the motor 401 drives the rotating shaft 402 to rotate, there will be no occurrence of the rotating shaft 402. During the rotation process, gas leakage occurs in the interior of the reaction barrel 2, so it is better to protect it.

In the specific setting, the outer side of the shaft 402 is respectively provided with a rotating slot 407, the interior of the rotating slot 407 is movably installed with the rotating block 406, and the ends of the rotating blocks 406 away from each other are respectively connected with the connecting rod 408, and the connecting rod 408 The ends away from each other are respectively connected with the gear 409, the gear 409 is meshed with the teeth 411, the teeth 411 are respectively arranged on the inner lower surface of the annular groove 410, and the annular groove 410 is arranged inside the reaction barrel 2. At the upper end, the interval between the teeth 411 is the same, and the shafts of the connecting rods 408 are respectively fixed with mixing racks 421 . During the rotation of the rotating shaft 402, the gear 409 is engaged with the teeth 411 to drive the connecting rod 408 to rotate independently through the cooperation of the rotating block 406 and the rotating groove 407, so that the connecting rod 408 drives the mixing frame 421 to rotate. The liquid raw material in the reaction barrel 2 is mixed with the gaseous raw material to enhance the reaction speed of the raw material and improve the production efficiency of the raw material.

In the specific setting, the spray heads 420 are respectively connected with the transport pipes 419, the lower ends of the transport pipes 419 are respectively connected with the header pipe 418, and the upper end of the header pipe 418 is installed with the second connecting pipe 417, and the second connecting pipe 417 is connected to the The output ends of the water pump 416 are connected to each other. The water pump 416 is installed and placed in the interior of the tank 415. The placement tank 415 is located at the lower end of the reaction tank 2. The input end of the water pump 416 is connected to the No. 1 connecting pipe 413. Through the cooperation of the water pump 416 and the spray head 420, the liquid raw material inside the reaction barrel 2 is sprayed to the inside of the reaction barrel 2, so as to increase the contact area between the liquid raw material and the gaseous raw material, thereby speeding up the gaseous raw material and the liquid raw material in the reaction barrel 2. The solid catalyst performs mixing reaction work, so that gaseous raw materials, liquid raw materials and solid catalysts are fully mixed in the interior of the reaction barrel 2 through the cooperation of the mixing rack 421, the stirring rack 405 and the nozzle 420, which greatly improves the reaction efficiency of the raw materials.

In the specific setting, the upper end of the No. 1 connecting pipe 413 is installed through the inner lower surface of the reaction barrel 2, the inner upper end of the No. 1 connecting pipe 413 is installed with a filter screen 414, and the middle of the lower end of the stirring frame 405 is installed with a movable frame 412. The frame 412 and the filter screen 414 are attached to each other. The water pump 416 sucks the liquid raw material inside the reaction barrel 2 through the No. 1 connecting pipe 413, and the filter screen 414 is used to isolate the unmelted solid catalyst in the liquid raw material, and then the water pump 416 passes the liquid raw material through the No. 2 connecting pipe. 417 and the main pipe 418 are respectively injected into the inside of the transport pipe 419, and finally the liquid raw material is injected into the nozzle 420 by the transport pipe 419, so that the nozzle 420 sprays the liquid raw material to the inside of the reaction barrel 2, thereby improving the contact between the liquid raw material and the gaseous raw material area, improve the mixing reaction efficiency of the raw materials, and with the rotation of the stirring frame 405, let the stirring frame 405 drive the movable frame 412 to rotate on the surface of the filter screen 414 to push the solid catalyst retained on the surface of the filter screen 414, Avoid clogging the filter screen 414.

The working principle of the continuous hydrogenation reaction device:

When in use, firstly, the user continuously feeds the raw materials through the cooperation of the feeding pipe 3 and the valve 5, and then after the raw materials enter the interior of the reaction barrel 2, the user starts the motor 401, and the motor 401 drives the stirring frame through the rotating shaft 402. 405 performs the rotating work, allowing the stirring frame 405 to perform preliminary mixing and reaction work on the raw materials inside the reaction barrel 2, and then during the rotation of the rotating shaft 402, the gear 409 is connected with the teeth 411 through the meshing connection, driving the connecting rod 408 to pass The rotation block 406 cooperates with the rotation tank 407 to perform independent rotation work, so that the connecting rod 408 drives the mixing rack 421 to mix the liquid raw material and the gaseous raw material inside the reaction barrel 2, and the water pump 416 is connected to the No. 2 through the No. 1 connecting pipe 413. The pipe 417 inputs the liquid raw material into the interior of the main pipe 418, and then the liquid raw material is respectively injected into the inside of the nozzle 420 through the transport pipe 419, so that the nozzle 420 sprays the liquid raw material into the interior of the reaction barrel 2, and strengthens the contact area between the liquid raw material and the gaseous raw material, Finally, after the mixing reaction is completed, the raw materials are discharged through the discharge pipe 6 .

The above-mentioned embodiments of the present utility are merely examples for clearly illustrating the present utility, and are not intended to limit the implementation of the present utility. For those of ordinary skill in the art, other Changes or changes in different forms cannot be exhaustively listed here, and all obvious changes or changes derived from the technical solutions of the present utility are still within the protection scope of the present utility.

Claims (7)

1. A continuous process hydrogenation reaction device, comprising a reactor body (1), characterized in that: the reactor body (1) comprises a reaction barrel (2) and an auxiliary mixing mechanism (4), the auxiliary mixing The mechanism (4) is arranged inside the reaction barrel (2), the auxiliary mixing mechanism (4) includes a stirring frame (405) and a spray head (420), and the stirring frame (405) is movably installed in the reaction barrel (2) The upper end of the stirring frame (405) is provided with a rotating shaft (402), and the upper end of the rotating shaft (402) runs through the upper end of the reaction barrel (2) and is connected with the output end of the motor (401), so The spray heads (420) are provided with several and are respectively installed on both sides of the inner upper end of the reaction barrel (2). 2) A discharge pipe (6) is installed through the inner lower side, and the inside of the feed pipe (3) and the discharge pipe (6) are respectively provided with valves (5). 2. A continuous process hydrogenation reaction device according to claim 1, characterized in that: the motor (401) is mounted on the upper surface of the reaction barrel (2) through a fixing frame, and the upper end of the rotating shaft (402) A sealing block (403) is fixedly installed on the outside of the shaft, and the sealing block (403) is installed inside the sealing groove (404), and the sealing groove (404) is arranged at the inner upper end of the reaction barrel (2). 3. A continuous process hydrogenation reaction device according to claim 2, characterized in that: a rotating groove (407) is respectively provided on the outer side of the shaft of the rotating shaft (402), and the interior of the rotating groove (407) is provided with a rotating groove (407). Rotating blocks (406) are movably installed respectively, and the ends of the rotating blocks (406) that are far away from each other are respectively connected with the connecting rods (408). 4. A continuous process hydrogenation reaction device according to claim 3, characterized in that: the ends of the connecting rods (408) that are far away from each other are respectively connected with the gears (409), and the gears (409) Meshing connection with the teeth (411), the teeth (411) are respectively arranged on the inner lower surface of the annular groove (410), and the annular groove (410) is arranged at the inner upper end of the reaction barrel (2) , the spacing between the teeth (411) is the same, and the shafts of the connecting rods (408) are respectively fixed with mixing racks (421). 5 . The continuous process hydrogenation reaction device according to claim 4 , wherein the nozzles ( 420 ) are respectively connected with the transport pipes ( 419 ), and the lower ends of the transport pipes ( 419 ) are respectively 5 . It is interconnected with the main pipe (418), and a No. 2 connecting pipe (417) is installed through the upper end of the main pipe (418). 6. A continuous process hydrogenation reaction device according to claim 5, characterized in that: the No. 2 connecting pipe (417) and the output end of the water pump (416) are connected to each other, and the water pump (416) is installed with Inside the placement tank (415), the placement tank (415) is arranged at the inner lower end of the reaction barrel (2), and the input end of the water pump (416) and the No. 1 connecting pipe (413) are connected to each other. 7. A continuous process hydrogenation reaction device according to claim 6, characterized in that: the upper end of the No. 1 connecting pipe (413) is installed through the inner lower surface of the reaction barrel (2), the No. 1 connecting pipe (413) A filter screen (414) is installed on the inner upper end of the connecting pipe (413), a movable frame (412) is installed in the middle of the lower end of the stirring frame (405), and the movable frame (412) and the filter screen (414) are mutually connected. fit.

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