CN216172366U - Continuous reaction device for compound synthesis - Google Patents

Abstract

The utility model discloses a continuous reaction device for compound synthesis, which comprises a first pipeline, a first mixing unit, a second pipeline and a second mixing unit which are sequentially communicated, wherein at least two first feed inlets are formed in the first pipeline, and the continuous reaction device also comprises first feeding components respectively communicated with the two first feed inlets. The continuous reaction device disclosed by the utility model is simple in structure and convenient to operate, can greatly improve the production efficiency, saves the energy consumption, can directly mix an unstable intermediate in the reaction process with the next raw material to enter the subsequent reaction, and improves the success rate of the reaction.

Description

Continuous reaction device for compound synthesis

Technical Field

The utility model relates to the field of compound synthesis, in particular to a continuous reaction device for compound synthesis.

Background

In the chemical reaction, different mixing modes are frequently required to be used for continuous operation according to reaction characteristics so as to improve the yield, reduce energy consumption and increase safety, however, in industrial production, most domestic enterprises still adopt intermittent kettle type stirring, so that not only is the production efficiency low and the energy consumption high, but also safety risks caused by misoperation, fatigue and the like of people exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a continuous reaction device for synthesizing a compound.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a continuous reaction unit that compound synthesis used, is including the first pipeline, first mixing unit, second pipeline and the second mixing unit that communicate in proper order, at least two first feed inlets have been seted up on the first pipeline, continuous reaction unit still including communicate respectively in two first feed inlets on first material feeding unit.

Preferably, the first pipe includes a feeding pipe and a delivery pipe, and both ends of the delivery pipe are respectively communicated with the feeding pipe and the first mixing unit.

Further preferably, there are two first feed openings, one of the two first feed openings is formed at an end of the feed pipe away from the conveying pipe, and the other is formed at a side portion of the conveying pipe.

Preferably, the continuous reaction device further comprises a second feed inlet arranged at the side part of the second pipeline.

Further preferably, the continuous reaction device further comprises a second feeding assembly communicated with the second feeding hole.

Still further preferably, the first feed assembly and the second feed assembly are both plunger pumps.

Preferably, the first mixing unit is a spiral mixing pipe, and the inner wall surfaces of the first pipe, the mixing pipe and the second pipe are rough surfaces.

Preferably, the continuous reaction device further comprises a discharge pipe communicated with one end of the second mixing unit far away from the second pipeline.

Further preferably, the second mixing unit is a static mixer.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

(1) unstable intermediates in the reaction process can be directly mixed with the raw materials of the next step to enter the subsequent reaction, so that the success rate of the reaction is improved;

(2) the continuous structure can prevent safety accidents caused by material transfer in the reaction process, so that the reaction with solid catalyst, salt participation, gas generation or pressure can be completely operated in a laboratory;

(3) simple structure, convenient operation, and improvement production efficiency that can be very big practices thrift the energy consumption.

Drawings

FIG. 1 is a schematic structural view of a continuous reaction apparatus in an embodiment of the present invention.

In the figure: 1. a first conduit; 1a, a feeding pipe; 1b, a conveying pipe; 2. a first mixing unit; 3. a second conduit; 4. a second mixing unit; 5. a first feed port; 6. a first feeding assembly; 7. a second feed port; 8. a second feeding assembly; 9. and (4) discharging the pipe.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings.

The utility model relates to an improvement on a reaction device for synthesizing compounds, and provides a continuous reaction device which is simple in structure and convenient to operate, and can greatly improve the production efficiency and save the energy consumption.

Referring to fig. 1, a continuous reaction device for synthesizing a compound is shown, which includes a first pipeline 1, a first mixing unit 2, a second pipeline 3, and a second mixing unit 4, which are sequentially communicated, wherein the first pipeline 1 is provided with two first feed inlets 5, and the continuous reaction device further includes first feeding assemblies 6 respectively communicated with the two first feed inlets 5. In this example, the first feed assembly 6 is a plunger pump.

During operation, the bottoming material and the reaction material a are respectively fed into the first pipeline 1 from the two first feed inlets 5, and the two materials are conveyed forwards under the action of the plunger pump and then sequentially output after being mixed and reacted by the first mixing unit 2, the second pipeline 3 and the second mixing unit 4.

In the present embodiment, the first pipe 1 includes a feeding pipe 1a and a delivery pipe 1b, and both ends of the delivery pipe 1b communicate with the feeding pipe 1a and the first mixing unit 2, respectively. Wherein, one of the two first feed openings 5 is formed at one end of the feed pipe 1a far away from the conveying pipe 1b, and the other is formed at the side of the conveying pipe 1 b. In this example, the conveying pipe 1b is a three-way pipe, the pipe diameter of which can be 1/16, 1/8, 1/4, 1/2 and the like, the pipe orifices at two ends of the three-way pipe are respectively communicated with the feeding pipe 1a and the first mixing unit 2, the third pipe orifice is a first feeding hole 5, the bottoming material is input from the first feeding hole 5 on the feeding pipe 1a, the reaction material a enters from the first feeding hole 5 on the three-way pipe, and the reaction material a moves under the turbulent flow action of the plunger pump and is mixed.

Further, the continuous reaction device also comprises a second feed inlet 7 arranged at the side part of the second pipeline 3 and a second feeding component 8 communicated with the second feed inlet 7, wherein the second feeding component 8 is also a plunger pump.

Thus, when the backing material and the reaction material a enter the second pipeline 3, an operator can feed the reaction material b into the second feeding hole 7 and participate in the mixing reaction, and the arrangement of the second feeding hole 7 increases the application range of the continuous reaction device of the embodiment. In this example, the second pipe 3 is also a tee pipe, and the pipe diameters thereof can be 1/16, 1/8, 1/4, 1/2 and the like.

In this embodiment, the first mixing unit 2 is a spiral mixing tube, the second mixing unit 4 is a static mixer, and the mixing tube and the static mixer can be made of different materials and lengths according to the reaction requirement. The inner wall surfaces of the first pipeline 1, the mixing pipe and the second pipeline 3 are rough surfaces, and through the arrangement of the spiral mixing pipe, the mixing effect of the priming material and the reaction material a can be ensured, and the back mixing phenomenon can be avoided; the inner wall surfaces of the first pipeline 1, the mixing pipe and the second pipeline 3 are rough surfaces, so that the mixing effect can be further improved; the static mixer can further deeply mix the mixture after the reaction material b is added, so that the synthesis effect of the compound is ensured.

Furthermore, the continuous reaction device further comprises a discharge pipe 9 communicated with one end of the second mixing unit 4 far away from the second pipeline 3, and the discharge pipe 9 can be communicated with a container for loading the reacted materials.

In this embodiment, the feeding pipe 1a, the delivery pipe 1b, the mixing pipe, the second pipeline 3, the static mixer, and the discharging pipe 9 are detachably connected to each other, and the number of operation units can be increased or decreased according to the reaction characteristics.

The following specifically explains the working process of this embodiment: during operation, the bottoming material and the reaction material a are respectively fed into the first pipeline 1 from the first feed inlet 5 on the feed pipe 1a and the conveying pipe 1b, the two materials are conveyed forwards under the action of the plunger pump and are fully mixed and reacted through the mixing pipe, then the mixed material enters the second pipeline 3, at the moment, the reaction material b is fed into the second feed inlet 7 and participates in the mixing reaction, then the mixed material and the reaction material enter the static mixer for fully mixed reaction, finally the reaction product enters the container through the discharge pipe 9, and the collected reaction material can be returned to the feed pipe 1a for circulation or enters the next operation unit according to the reaction requirement.

In this example, taking glufosinate-ammonium as an example, the classical synthetic route of glufosinate-ammonium is Strecker reaction:

when the reaction kettle in the prior art is used for kettle type reaction, the reaction yield is about 80%, the reaction time is as long as 6-11 hours, and the obtained product is dark brown; after the device is used, the reaction yield is improved to 92 percent, the reaction time is shortened to 2 hours, and the product is light yellow.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (9)

1. A continuous reaction apparatus for synthesizing a compound, characterized in that: including first pipeline, first mixing unit, second pipeline and the second mixing unit that communicates in proper order, at least two first feed inlets have been seted up on the first pipeline, continuous reaction unit still including communicate respectively in two first feed inlets on first pay-off subassembly.

2. The continuous reaction apparatus for synthesizing a compound according to claim 1, wherein: the first pipeline comprises an inlet pipe and a conveying pipe, and two ends of the conveying pipe are communicated with the inlet pipe and the first mixing unit respectively.

3. The continuous reaction apparatus for synthesizing a compound according to claim 2, wherein: the first feed inlet has two, one of the two first feed inlets is formed at one end of the feed pipe far away from the conveying pipe, and the other one of the two first feed inlets is formed at the side part of the conveying pipe.

4. The continuous reaction apparatus for synthesizing a compound according to claim 1, wherein: the continuous reaction device also comprises a second feeding hole arranged at the side part of the second pipeline.

5. The continuous reaction apparatus for synthesizing a compound according to claim 4, wherein: the continuous reaction device also comprises a second feeding component communicated with the second feeding hole.

6. The continuous reaction apparatus for synthesizing a compound according to claim 5, wherein: the first feeding assembly and the second feeding assembly are plunger pumps.

7. The continuous reaction apparatus for synthesizing a compound according to claim 1, wherein: the first mixing unit is a spiral mixing pipe, and the inner wall surfaces of the first pipeline, the mixing pipe and the second pipeline are rough surfaces.

8. The continuous reaction apparatus for synthesizing a compound according to claim 1, wherein: the continuous reaction device also comprises a discharge pipe communicated with one end of the second mixing unit far away from the second pipeline.

9. The continuous reaction apparatus for synthesizing a compound according to claim 1 or 8, wherein: the second mixing unit is a static mixer.

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