Organic amine oxidation reaction system

Abstract

The utility model discloses an organic amine oxidation reaction system which comprises a first raw material storage tank and a three-way pipe, and a second raw material storage tank and a third raw material storage tank are sequentially arranged on one side of the first raw material storage tank. One end of the first raw material storage tank, one end of the second raw material storage tank and one end of the third raw material storage tank are communicated with a first metering pump, a second metering pump and a third metering pump respectively, the outlet ends of the first metering pump, the second metering pump and the third metering pump are all communicated with a three-way pipe, and the outlet end of the three-way pipe is communicated with a static mixer. The outlet end of the static mixer is communicated with a liquid conveying pipe, the outlet end of the liquid conveying pipe is communicated with a first reaction kettle, one end of the first reaction kettle is communicated with a first siphon, the outlet end of the first siphon is communicated with a second reaction kettle, and one end of the third reaction kettle is communicated with a discharging pipe. The reaction time can be shortened, the product quality is improved, and the labor productivity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of organic chemical industry, in particular to an organic amine oxidation reaction system. Background Art

[0002] Organic amine oxides, such as the oxidation products of triethylamine and diisopropylamine, are an important class of organic compounds, which are mainly used to synthesize diethylhydroxylamine and isopropylhydroxylamine. Isopropylhydroxylamine is mainly used as a highly efficient terminator for butyl rubber. The traditional production system adopts batch production in a kettle, which has a long reaction time, unstable product quality and yield, high labor intensity and low production efficiency. Therefore, an organic amine oxidation reaction system is proposed to solve the above problems. Utility Model Content

[0003] The technical problem to be solved by the utility model overcomes the existing defects and can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An organic amine oxidation reaction system comprises a first raw material storage tank and a tee, wherein a second raw material storage tank and a third raw material storage tank are sequentially placed on one side of the first raw material storage tank, one end of the first raw material storage tank, the second raw material storage tank and the third raw material storage tank are respectively connected to a first metering pump, a second metering pump and a third metering pump, the outlet ends of the first metering pump, the second metering pump and the third metering pump are all connected to the tee, the outlet end of the tee is connected to a static mixer, the outlet end of the static mixer is connected to an infusion tube, the outlet end of the infusion tube is connected to a first reactor, one end of the first reactor is connected to a first siphon, the outlet end of the first siphon is connected to a second reactor, one end of the second reactor is connected to a second siphon, the outlet end of the second siphon is connected to the third reactor, and one end of the third reactor is connected to a discharge pipe.

[0006] Preferably, the static mixer is one of a jacketed static mixer, a propeller blade mixer and a tubular static mixer.

[0007] Preferably, the first reactor, the second reactor and the third reactor are all made of fully mixed reactors.

[0008] Preferably, the first reactor, the second reactor and the third reactor are all provided with built-in coils inside.

[0009] Preferably, the reaction part consists of a first reaction kettle, a second reaction kettle and a third reaction kettle connected in series.

[0010] Preferably, the first reactor, the second reactor and the third reactor are connected by pipelines in a siphon manner.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The continuous process can shorten the reaction time, improve product quality and increase labor productivity;

[0013] 2. The reactors with built-in coils are connected in series, so the instantaneous concentration in the reaction system is low, the heat release is mild, and the reaction is easy to control;

[0014] 3. The reaction adopts a three-reactor series mode. Each reactor can be set at a different temperature according to the process conditions to improve production efficiency;

[0015] 4. The materials are discharged between the reactors by siphoning, which saves workshop space. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of an organic amine oxidation reaction system.

[0018] In the figure: 1. first raw material storage tank; 2. second raw material storage tank; 3. third raw material storage tank; 4. first metering pump; 5. second metering pump; 6. third metering pump; 7. static mixer; 8. first reactor; 9. second reactor; 10. third reactor; 11. first siphon; 12. second siphon; 13. discharge pipe; 14. infusion pipe; 15. three-way pipe. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with specific implementation methods, wherein the accompanying drawings are only used for exemplary descriptions and represent only schematic diagrams rather than actual drawings, and cannot be understood as limitations on this patent. In order to better illustrate the specific implementation methods of the utility model, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted. Based on the specific implementation methods in the utility model, all other specific implementation methods obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Example

[0021] like Figure 1 As shown, an organic amine oxidation reaction system includes a first raw material storage tank 1 and a three-way pipe 15, a second raw material storage tank 2 and a third raw material storage tank 3 are placed on one side of the first raw material storage tank 1 in sequence, one end of the first raw material storage tank 1, the second raw material storage tank 2 and the third raw material storage tank 3 are respectively connected to a first metering pump 4, a second metering pump 5 and a third metering pump 6, the outlet ends of the first metering pump 4, the second metering pump 5 and the third metering pump 6 are all connected to the three-way pipe 15, the outlet end of the three-way pipe 15 is connected to a static mixer 7, and the outlet end of the static mixer 7 is connected to an infusion pipe 14 The outlet end of the infusion tube 14 is connected to the first reactor 8, one end of the first reactor 8 is connected to the first siphon 11, the outlet end of the first siphon 11 is connected to the second reactor 9, one end of the second reactor 9 is connected to the second siphon 12, the outlet end of the second siphon 12 is connected to the third reactor 10, and one end of the third reactor 10 is connected to the discharge pipe 13. The system consists of a raw material storage tank, a metering pump, a static mixer, and three reactors connected in series. The continuous process is adopted to shorten the reaction time, improve product quality, and increase labor productivity.

[0022] As a further improvement of the present invention, the static mixer 7 is one of a jacketed static mixer, a propeller blade mixer and a tubular static mixer, and the liquid flowing through the three-way pipe 15 can be mixed by the static mixer 7 .

[0023] As a further improvement of the present invention, the first reactor 8, the second reactor 9 and the third reactor 10 are all made of fully mixed reactors, which are efficient, controllable, safe and adaptable, and can adapt to a variety of different reaction systems and reaction conditions.

[0024] As a further improvement of the present invention, the first reactor 8, the second reactor 9 and the third reactor 10 are all provided with built-in coils inside. By connecting the first reactor 8, the second reactor 9 and the third reactor 10 with built-in coils in series, the instantaneous concentration in the reaction system is low, the heat release is mild, and the reaction is easy to control.

[0025] As a further improvement of the present invention, the reaction part is composed of a first reactor 8, a second reactor 9, and a third reactor 10 connected in series. The reaction adopts a mode in which the first reactor 8, the second reactor 9, and the third reactor 10 are connected in series. The first reactor 8, the second reactor 9, and the third reactor 10 can be set to different temperatures according to the process conditions to improve production efficiency.

[0026] As a further improvement of the present invention, the first reactor 8, the second reactor 9 and the third reactor 10 are connected by pipelines in a siphon manner, and materials are discharged from the first reactor 8, the second reactor 9 and the third reactor 10 by siphoning, thereby saving workshop space.

[0027] Working process: the raw materials in the first raw material storage tank 1, the second raw material storage tank 2 and the third raw material storage tank 3 are respectively input into the inner side of the static mixer 7 through the three-way pipe 15 through the connected first metering pump 4, the second metering pump 5 and the third metering pump 6, and the different raw materials are mixed by the static mixer 7. The mixed raw materials enter the inner side of the first reactor 8 through the infusion pipe 14, and after reacting in the inner side of the first reactor 8, they enter the inner side of the second reactor 9 through the first siphon 11, and after reacting in the inner side of the second reactor 9, they enter the inner side of the third reactor 10 through the second siphon 12, and are finally discharged through the discharge pipe 10.

[0028] The above is a preferred implementation mode of the utility model. The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Technical personnel in this industry should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the utility model. Without departing from the protection scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model to be protected. The protection scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. An organic amine oxidation reaction system, comprising a first raw material storage tank (1), a three-way pipe (15) and a reaction part, characterized in that: A second raw material storage tank (2) and a third raw material storage tank (3) are sequentially placed on one side of the first raw material storage tank (1); one end of the first raw material storage tank (1), the second raw material storage tank (2) and the third raw material storage tank (3) are respectively connected to a first metering pump (4), a second metering pump (5) and a third metering pump (6); the outlet ends of the first metering pump (4), the second metering pump (5) and the third metering pump (6) are all connected to a three-way pipe (15); the outlet end of the three-way pipe (15) is connected to a static mixer (7); The outlet end of the mixer (7) is connected to a liquid infusion tube (14), the outlet end of the liquid infusion tube (14) is connected to a first reactor (8), one end of the first reactor (8) is connected to a first siphon tube (11), the outlet end of the first siphon tube (11) is connected to a second reactor (9), one end of the second reactor (9) is connected to a second siphon tube (12), the outlet end of the second siphon tube (12) is connected to a third reactor (10), and one end of the third reactor (10) is connected to a discharge tube (13).

2. An organic amine oxidation reaction system according to claim 1, characterized in that: The static mixer (7) is one of a jacketed static mixer, a propeller blade mixer and a tubular static mixer.

3. An organic amine oxidation reaction system according to claim 1, characterized in that: The first reaction kettle (8), the second reaction kettle (9) and the third reaction kettle (10) are all made of fully mixed kettles.

4. An organic amine oxidation reaction system according to claim 1, characterized in that: The first reaction kettle (8), the second reaction kettle (9) and the third reaction kettle (10) are all provided with built-in coils inside.

5. An organic amine oxidation reaction system according to claim 1, characterized in that: The reaction part is composed of a first reaction kettle (8), a second reaction kettle (9), and a third reaction kettle (10) connected in series.

6. An organic amine oxidation reaction system according to claim 1, characterized in that: The first reaction kettle (8), the second reaction kettle (9) and the third reaction kettle (10) are connected by pipelines in a siphon manner.

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