CN211754928U

CN211754928U - Closed reaction device for organic chemical synthesis

Info

Publication number: CN211754928U
Application number: CN201922264602.9U
Authority: CN
Inventors: 徐娜
Original assignee: Henan Medical College
Current assignee: Henan Medical College
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-27
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses an airtight reaction device for organic chemical synthesis, which comprises a first shell, a motor and a stirring mechanism; a second shell is arranged in the first shell, a medium cavity is formed between the first shell and the second shell, a medium inlet is formed above the first shell, and a medium outlet is formed below the first shell; a motor is arranged on the side surface of the first shell and connected with a stirring mechanism, and the motor drives a stirring shaft to stir; the utility model drives the first permanent magnet to rotate through the motor, and the first permanent magnet drives the second permanent magnet inside the second shell to rotate, thereby achieving the effect of complete sealing; gas leakage is effectively prevented; the specific chemical synthesis temperature is controlled by introducing a constant-temperature medium with a certain temperature into the medium cavity, so that the chemical synthesis reaction rate is further improved, and the quality of a reaction product is ensured.

Description

Closed reaction device for organic chemical synthesis

Technical Field

The utility model belongs to the chemical reaction equipment field especially relates to an organic chemical synthesis's airtight reaction unit.

Background

The chemical reaction is a process of converting one or more substances into products different from reactants through chemical change, and is often accompanied with the generation of harmful gases during the organic chemical synthesis reaction, so that the chemical synthesis reaction is carried out under a closed condition to prevent toxic gases from being emitted into the air to influence the body health of chemical workers; meanwhile, certain organic chemical synthesis reactions have high requirements on temperature, different products are generated at a certain temperature, the temperature fluctuation range is not too large, and even the reaction is carried out under the constant temperature condition; the existing chemical reaction device is difficult to reach the constant-temperature chemical reaction condition, and the chemical reaction rate and the chemical reaction effect are influenced.

Chinese patent application 201720451495.9 discloses a closed batching dispersion jar, including the cylinder body, insert the inside agitating unit of cylinder body, set up the feed inlet at the cylinder body top and set up the discharge gate in the cylinder body lower part, wherein, the feed inlet is equipped with lid and automatic induction switch, the cylinder body is the closed cylinder body, the cylinder body bottom is equipped with the air inlet.

The technical scheme has the advantages that the temperature of some specific chemical synthesis reactions is not easy to control, the electromagnetic heating temperature is not easy to control, or the normal reaction of the chemical synthesis is influenced by high or low temperature.

Chinese patent application 201920274280.3 discloses a reaction device capable of heating by sealed stirring, which comprises a base, a heating device, a reaction container and a stirring device; the heating device is fixed on the base; the reaction vessel is positioned in the heating device; the reaction vessel comprises a vessel body and a vessel cover; the stirring device comprises a stirring motor, a stirring shaft and stirring blades; a lifting mechanism capable of moving up and down is fixed on the base; the stirring motor is fixed at the upper end of the lifting mechanism; the upper end of the stirring shaft is fixedly connected with an output shaft of the stirring motor, and the lower end of the stirring shaft penetrates through the container cover and extends into the container body; the stirring blade is fixed at the lower end of the stirring shaft; the container cover is longitudinally provided with a mounting hole; the stirring shaft is sealed, rotated and fixed with the inner wall of the mounting hole through two mechanical seals arranged at intervals up and down; the upper end surface of the container body is fixed with a filler rod, and the lower end of the container cover is tightly sleeved outside the filler rod; the container cover is in threaded connection with the insertion strip.

Above-mentioned prior art adopts mechanical system to seal, and is general to gaseous sealed effect, and the harmful gas who produces reveals easily, causes the health hazard to the people.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide an organic chemical synthesis airtight reaction device, a motor drives a first permanent magnet to rotate, and the first permanent magnet drives a second permanent magnet in a second shell to rotate, thereby achieving the effect of complete sealing; gas leakage is effectively prevented; the specific chemical synthesis temperature is controlled by introducing a constant-temperature medium with a certain temperature into the medium cavity, so that the chemical synthesis reaction rate is further improved, and the quality of a reaction product is ensured.

The utility model provides a following technical scheme:

a closed reaction device for organic chemical synthesis comprises a first shell, a motor and a stirring mechanism; a second shell is arranged in the first shell, a medium cavity is formed between the first shell and the second shell, a medium inlet is formed above the first shell, and a medium outlet is formed below the first shell; the side of first casing is equipped with the motor, the motor is connected with rabbling mechanism, and motor drive (mixing) shaft stirs.

Preferably, the stirring mechanism comprises a first fixing box, the first fixing box is connected with the outer wall of the first shell, a first permanent magnet is arranged inside the first fixing box, and the first permanent magnet is connected with an output shaft of the motor; the inner wall of second casing is equipped with the fixed box of second, the fixed box of second with the inside and outside phase correspondence of first fixed box, the inside second permanent magnet that is equipped with of the fixed box of second, the outer wall connection of second permanent magnet has the bearing, and through the bearing with the fixed box of second rotates to be connected.

Preferably, the medium is a liquid substance.

Preferably, the medium is liquid nitrogen, water, kerosene and the like.

Preferably, the feed inlet and the discharge outlet are communicated with the interior of the second shell.

Preferably, a pressure relief valve is further arranged outside the first shell, and a harmful gas absorption device is further arranged.

Preferably, the harmful gas absorption device is internally provided with an alkaline substance capable of absorbing generated acid gases such as sulfur dioxide, nitric oxide and the like.

Preferably, one end of the second permanent magnet is connected with a stirring shaft, and the stirring shaft is provided with a plurality of blades.

Preferably, a plurality of through holes are formed in the surfaces of the plurality of blades.

Preferably, the side wall of the second fixing box is provided with a hole, and the diameter of the hole is larger than that of the stirring shaft.

Preferably, a hole is formed in the side wall of the first fixing box, and the diameter of the hole is larger than that of the motor output shaft.

Preferably, the first permanent magnet and the second permanent magnet have opposite magnetic polarities at the ends close to the medium cavity.

Preferably, the first shell is provided with a feeding hole and a discharging hole.

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

(1) the utility model relates to an organic chemical synthesis airtight reaction device, which drives a first permanent magnet to rotate through a motor, and the first permanent magnet drives a second permanent magnet inside a second shell to rotate, thereby achieving the effect of complete sealing; prevent the harmful gas from leaking.

(2) The utility model relates to an airtight reaction unit of organic chemical synthesis, through the constant temperature medium that lets in the uniform temperature in the medium intracavity, control specific chemical synthesis temperature, promote chemical synthesis reaction rate, guarantee the quality of reaction product.

(3) The utility model relates to an airtight reaction unit of organic chemical synthesis through the through-hole that the blade was seted up, and when the stirring, reaction mass can flow through the through-hole, improves the degree of consistency of stirring, further promotes the synthetic reaction rate of chemistry.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the stirring mechanism of the present invention.

Fig. 3 is a schematic view of the blade structure of the present invention.

In the figure: 1. a first housing; 2. a second housing; 3. a media inlet; 4. a media outlet; 5. a media chamber; 6. a motor; 7. a stirring mechanism; 8. a stirring shaft; 9. a blade; 10. a feed inlet; 11. a discharge port; 12. a first stationary box; 13. a first permanent magnet; 14. a second stationary box; 15. a second permanent magnet; 16. a bearing; 17. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

As shown in fig. 1 and 2, a closed reaction device for organic chemical synthesis comprises a first shell 1, a motor 6 and a stirring mechanism 7; a second shell 2 is arranged in the first shell 1, a medium cavity 5 is formed between the first shell 1 and the second shell 2, a medium inlet 3 is arranged above the first shell 1, and a medium outlet 4 is arranged below the first shell 1; the side of first casing 1 is equipped with motor 6, motor 6 is connected with rabbling mechanism 7, and motor 6 drive (mixing) shaft 8 stirs.

Preferably, the stirring mechanism 7 includes a first fixing box 12, the first fixing box 12 is connected with the outer wall of the first casing 1, a first permanent magnet 13 is arranged inside the first fixing box 12, and the first permanent magnet 13 is connected with the output shaft of the motor 6; the inner wall of second casing 2 is equipped with the fixed box 14 of second, the fixed box 14 of second with it is corresponding inside and outside the first fixed box 12, the inside second permanent magnet 15 that is equipped with of the fixed box 14 of second, the outer wall connection of second permanent magnet 15 has bearing 16, and through bearing 16 with the fixed box 14 of second rotates to be connected.

The medium adopts a liquid substance; the medium adopts liquid nitrogen, water, kerosene and other substances.

The feed inlet 10 and the discharge outlet 11 are communicated with the interior of the second shell 2.

A pressure release valve and a harmful gas absorption device are arranged outside the first shell 1; the harmful gas absorption device is internally provided with alkaline substance soda lime which can absorb generated acid gases, such as sulfur dioxide, nitric oxide and the like.

One end of the second permanent magnet 15 is connected with a stirring shaft 8, and the stirring shaft 8 is provided with a plurality of blades 9.

The side wall of the second fixing box 14 is provided with a hole, and the diameter of the hole is larger than that of the stirring shaft 8.

The side wall of the first fixing box 12 is provided with a hole, and the diameter of the hole is larger than that of the output shaft of the motor 6.

The first permanent magnet 13 and the second permanent magnet 15 have opposite magnetic polarities at the ends close to the medium chamber 5.

The first shell 1 is provided with a feed inlet 10 and a discharge outlet 11.

Example two:

as shown in fig. 3, the difference from the first embodiment lies in that the closed reaction device for organic chemical synthesis comprises a first shell 1, a motor 6 and a stirring mechanism 7; a second shell 2 is arranged in the first shell 1, a medium cavity 5 is formed between the first shell 1 and the second shell 2, a medium inlet 3 is arranged above the first shell 1, and a medium outlet 4 is arranged below the first shell 1; the side of first casing 1 is equipped with motor 6, motor 6 is connected with rabbling mechanism 7, and motor 6 drive (mixing) shaft 8 stirs.

The surfaces of the blades 9 are provided with a plurality of through holes 17; through the through-hole 17 that blade 9 was seted up, when the stirring, reaction mass can flow through-hole 17, improves the degree of consistency of stirring, further promotes chemical synthesis's reaction rate.

The device obtained by the technical scheme is a closed reaction device for organic chemical synthesis, and when the device is used, a specific liquid substance with the temperature required by chemical reaction is added through the medium inlet 3, the circulation of the liquid substance is ensured, and the circulation is formed with the medium outlet 4, so that the specific temperature is ensured; chemical raw materials to be reacted are sequentially added through the feeding hole 10, the motor 6 is started, the motor 6 drives the first permanent magnet 13 to rotate, the first permanent magnet 13 drives the second permanent magnet 15 in the second shell 2 to rotate, stirring is carried out, the effect of complete sealing is achieved, and gas leakage is effectively prevented; a constant temperature medium with a certain temperature is introduced into the medium cavity 5, the specific chemical synthesis temperature is controlled, the chemical synthesis reaction rate is further improved, and the quality of a reaction product is ensured; through the through-hole 17 that blade 9 was seted up, when the stirring, reaction mass can flow through-hole 17, improves the degree of consistency of stirring, further promotes chemical synthesis's reaction rate.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A closed reaction device for organic chemical synthesis comprises a first shell (1), a motor (6) and a stirring mechanism (7); the device is characterized in that a second shell (2) is arranged in the first shell (1), a medium cavity (5) is formed between the first shell (1) and the second shell (2), a medium inlet (3) is arranged above the first shell (1), and a medium outlet (4) is arranged below the first shell (1); the side of first casing (1) is equipped with motor (6), motor (6) are connected with rabbling mechanism (7), and motor (6) drive (mixing) shaft (8) stir.

2. The closed reaction device for organic chemical synthesis according to claim 1, wherein the stirring mechanism (7) comprises a first fixed box (12), the first fixed box (12) is connected with the outer wall of the first shell (1), a first permanent magnet (13) is arranged inside the first fixed box (12), and the first permanent magnet (13) is connected with the output shaft of the motor (6); the inner wall of second casing (2) is equipped with the fixed box of second (14), the fixed box of second (14) with the first fixed box (12) is inside and outside corresponding, the fixed box of second (14) inside is equipped with second permanent magnet (15), the outer wall connection of second permanent magnet (15) has bearing (16), and through bearing (16) with the fixed box of second (14) rotate to be connected.

3. A closed reaction unit for organic chemical synthesis according to claim 2, characterized in that a stirring shaft (8) is connected to one end of the second permanent magnet (15), and the stirring shaft (8) is provided with a plurality of blades (9).

4. A closed reaction unit for organic chemical synthesis according to claim 3, characterized in that a plurality of through holes (17) are provided on the surface of each of said plurality of vanes (9).

5. The closed reaction device for organic chemical synthesis according to claim 2, wherein the side wall of the second fixing box (14) is provided with a hole, and the diameter of the hole is larger than that of the stirring shaft (8).

6. The closed reaction device for organic chemical synthesis according to claim 2, wherein the first fixing box (12) has a hole formed in a side wall thereof, and the diameter of the hole is larger than that of the output shaft of the motor (6).

7. A closed reaction unit for organic chemical synthesis according to claim 2, characterized in that the first permanent magnet (13) and the second permanent magnet (15) have opposite magnetic polarities at the ends close to the medium chamber (5).

8. A closed reaction unit for organic chemical synthesis according to claim 1, characterized in that said first shell (1) is provided with a feed inlet (10) and a discharge outlet (11).