Production system for sodium ethoxide

Abstract

The utility model provides a production system for sodium ethoxide, which belongs to the technical field of sodium ethoxide production equipment, and comprises a reaction kettle and an evaporation kettle, the evaporation kettle is arranged on one side of the reaction kettle, the lower side of the reaction kettle and the lower side of the evaporation kettle are respectively connected with a support ring in a clamping manner, and the lower side surface of each support ring is fixedly connected with a support column. Ethanol reacts with metal sodium to generate sodium ethoxide, and the specific operation is as follows: industrial-grade ethanol is added into a reaction container filled with the metal sodium, reaction is carried out in an inert gas atmosphere, the reaction temperature is minus Celsius degrees, and after the reaction is finished, sodium ethoxide can be dissolved in the generated ethanol to form a sodium ethoxide solution; a heating assembly can be additionally arranged on the lower side of the evaporation kettle, the sodium ethoxide solution is distilled, ethyl alcohol and water are separated, and the step aims to remove residual ethyl alcohol in the solvent so as to obtain the high-purity sodium ethoxide solution.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sodium ethoxide production equipment technical field especially relates to a kind of for the production system of sodium ethoxide. BACKGROUND

[0002] Sodium ethoxide is an organic sodium compound, and its chemical formula is NaC2H5O. It is the product of the reaction of ethanol and sodium, and it is a strong alkaline compound. Sodium ethoxide is widely used in various organic reactions as a strong base and catalyst in organic chemistry.

[0003] The prior art such as the publication number CN117505005A discloses a production system for sodium ethoxide, which includes a ball mill tank, steel balls, and a tank cover that can be fixed at the top opening of the ball mill tank. It also includes a stirring pipe, a fixing ring, a detection assembly, and a sampling assembly. The lower half of the stirring pipe is fixed with multiple stirring rods, and the stirring pipe passes through the inner ring of the fixing ring. The bottom of the fixing ring is coaxially fixed with an extension pipe, and multiple detection assemblies are installed on the outer wall of the extension pipe in a ring shape. The detection assemblies are used to detect the content of sodium hydroxide. The sampling assembly intermittently samples from the ball mill tank and injects the samples collected before and after into different detection assemblies for detection.

[0004] The existing production system for sodium ethoxide also has the following disadvantages:

[0005] 1. The existing device uses ethanol and sodium hydroxide to react and then produces sodium ethoxide. However, the reaction conditions must be high temperature or high pressure, which requires special requirements for the reaction device.

[0006] 2. If metal sodium and ethanol are used for reaction, the size of metal sodium particles will also affect the improvement of reaction rate. INVENTION CONTENTS

[0007] The utility model aims to solve the problem that the existing device uses ethanol and sodium hydroxide to react and then produces sodium ethoxide, but the reaction conditions must be high temperature or high pressure, which requires special requirements for the reaction device. If metal sodium and ethanol are used for reaction, the size of metal sodium particles will also affect the improvement of reaction rate. A production system for sodium ethoxide is proposed.

[0008] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0009] A production system for sodium ethoxide, comprising: a reaction kettle and an evaporation kettle, the evaporation kettle is arranged on one side of the reaction kettle, the lower side of the reaction kettle and the evaporation kettle is clamped and connected with a support ring, the lower side of the support ring is fixedly connected with a support column, the lower surface of the reaction kettle is fixedly connected with a first motor, the output end of the first motor penetrates the lower surface of the reaction kettle and is fixedly connected with a stirring rod, the side of the reaction kettle is fixedly connected with a liquid inlet pipe and a gas outlet pipe, the side of the liquid inlet pipe is fixedly connected with a first valve, and the upper end of the reaction kettle is provided with a grinding assembly;

[0010] Preferably, the grinding assembly comprises a grinding box fixedly connected with the upper end of the reaction kettle, the inner top surface of the grinding box is rotatably connected with two gears, the two gears are meshed with each other, the upper surface of the grinding box is fixedly connected with a second motor, and the output end of the second motor penetrates the grinding box and is fixedly connected with the upper surface of the gear;

[0011] Preferably, the lower surface of the gear is fixedly connected with a rotating shaft, the side of the rotating shaft is fixedly connected with a spiral blade, the two spiral blades are meshed with each other, and the side of the grinding box is provided with a feeding port arranged between the two rotating shafts.

[0012] Preferably, the upper end of the evaporation kettle is clamped and connected with a cover, the cover is provided with a connecting port, the side of the evaporation kettle is fixedly connected with a high-pressure gas pump, and the output pipe of the high-pressure gas pump extends into the evaporation kettle.

[0013] Preferably, the lower surface of the reaction kettle is fixedly connected with a guide pipe, and the upper end of the guide pipe extends to the inner side of the evaporation kettle through the connecting port.

[0014] Preferably, the side of the guide pipe is fixedly connected with a second valve arranged at one end of the guide pipe close to the reaction kettle.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1、The utility model discloses a production system for sodium ethoxide, comprising: a reaction kettle and an evaporation kettle, the evaporation kettle is arranged on one side of the reaction kettle, the lower side of the reaction kettle and the evaporation kettle is clamped and connected with a support ring, the lower side of the support ring is fixedly connected with a support column, the lower surface of the reaction kettle is fixedly connected with a first motor, the output end of the first motor penetrates the lower surface of the reaction kettle and is fixedly connected with a stirring rod, the side of the reaction kettle is fixedly connected with a liquid inlet pipe and a gas outlet pipe, the side of the liquid inlet pipe is fixedly connected with a first valve, and the upper end of the reaction kettle is provided with a grinding assembly;

[0017] 2. The utility model discloses a mill assembly is set up, can first deliver the sodium metal from the feed inlet to the mill box before the reaction, through the gear rotation of no. 2 motor, further drive the rotation of the shaft and spiral blade, in the rotation process of two spiral blades of each other meshing, can further mill the sodium metal, thereby accelerating the reaction speed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A front view structural schematic drawing of the production system for sodium ethoxide is provided for the utility model;

[0019] Figure 2 A structure schematic drawing of the internal section of the production system for sodium ethoxide is provided for the utility model;

[0020] Figure 3 For Figure 2 The enlarged view of part A in the middle;

[0021] Figure 4 For Figure 2 The enlarged view of part B in the middle.

[0022] In the drawing: 1 reaction kettle, 2 evaporating kettle, 3 support ring, 4 support column, 5 no. 1 motor, 6 stirring rod, 7 liquid inlet pipe, 8 no. 1 valve, 9 gas outlet pipe, 10 mill box, 11 feed inlet, 12 no. 2 motor, 13 gear, 14 shaft, 15 spiral blade, 16 no. 2 valve, 17 guide pipe, 18 cover, 19 high-pressure gas pump. DETAILED DESCRIPTION

[0023] The technical scheme in the utility model will be further explained below in combination with the drawings and examples.

[0024] Referring to Figures 1-4 A production system for sodium ethoxide, comprising: reaction kettle 1 and evaporating kettle 2, evaporating kettle 2 is arranged at one side of reaction kettle 1, and the lower side of reaction kettle 1 and evaporating kettle 2 is clamped and connected with support ring 3, the lower side of support ring 3 is fixedly connected with support column 4, the lower surface of reaction kettle 1 is fixedly connected with no. 1 motor 5, the output end of no. 1 motor 5 penetrates the lower surface of reaction kettle 1 and is fixedly connected with stirring rod 6, the side of reaction kettle 1 is fixedly connected with liquid inlet pipe 7 and gas outlet pipe 9, the side of liquid inlet pipe 7 is fixedly connected with no. 1 valve 8, and the upper end of reaction kettle 1 is provided with a mill assembly;

[0025] The mill assembly comprises mill box 10, mill box 10 is fixedly connected to the upper end of reaction kettle 1, the inner top surface of mill box 10 is rotatably connected with two gears 13, the two gears 13 are meshed with each other, the upper surface of mill box 10 is fixedly connected with no. 2 motor 12, and the output end of no. 2 motor 12 penetrates mill box 10 and is fixedly connected to the upper surface of gear 13;

[0026] The lower surface of the gear 13 is fixedly connected with a rotating shaft 14, the side surface of the rotating shaft 14 is fixedly connected with a spiral blade 15, the two spiral blades 15 are meshed with each other, the side surface of the grinding box 10 is provided with a feeding port 11, the feeding port 11 is arranged between the two rotating shafts 14, by arranging the grinding assembly, the metallic sodium can be firstly delivered from the feeding port 11 to the grinding box 10 before the reaction, the gear 13 is driven to rotate by the second motor 12, and then the rotating shaft 14 and the spiral blade 15 are driven to rotate, and the metallic sodium can be further ground in the rotating process of the two spiral blades 15 meshed with each other, so that the reaction speed is accelerated.

[0027] The upper end opening of the evaporation kettle 2 is clamped and connected with a cover 18, the cover 18 is provided with a connecting port, the side surface of the evaporation kettle 2 is fixedly connected with a high-pressure gas pump 19, and the output pipe of the high-pressure gas pump 19 extends into the evaporation kettle 2;

[0028] The lower surface of the reaction kettle 1 is fixedly connected with a guide pipe 17, and the upper end of the guide pipe 17 extends to the inside of the evaporation kettle 2 through the connecting port;

[0029] The side surface of the guide pipe 17 is fixedly connected with a second valve 16, and the second valve 16 is arranged at the end of the guide pipe 17 close to the reaction kettle 1.

[0030] The utility model can be described by the following operation mode to explain its function principle:

[0031] The ethanol and the metallic sodium are reacted to generate sodium ethoxide, and the specific operation is that the industrial-grade ethanol is added into the reaction container provided with the metallic sodium, and the reaction is carried out under the inert gas atmosphere, the reaction temperature is 30-50 DEG C, after the reaction is finished, the sodium ethoxide is dissolved in the generated ethanol to form a sodium ethoxide solution; the heating assembly can be added to the lower side of the evaporation kettle 2, the sodium ethoxide solution is distilled, and the ethanol and water are separated, the purpose of this step is to remove the residual ethanol in the solvent to obtain the sodium ethoxide solution with high purity; the dried sodium ethoxide solution after distillation is removed from the water, and the vacuum drying is that the solution is placed under the vacuum condition, and the water is evaporated by reducing the pressure;

[0032] By arranging the grinding assembly, the metallic sodium can be firstly delivered from the feeding port 11 to the grinding box 10 before the reaction, the gear 13 is driven to rotate by the second motor 12, and then the rotating shaft 14 and the spiral blade 15 are driven to rotate, and the metallic sodium can be further ground in the rotating process of the two spiral blades 15 meshed with each other, so that the reaction speed is accelerated.

[0033] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A production system for sodium ethoxide, characterized by, Including the reaction kettle (1) and the evaporation kettle (2), the evaporation kettle (2) is arranged in one side of reaction kettle (1), the lower side of reaction kettle (1) and evaporation kettle (2) are all clamping connection with support ring (3), the lower side of support ring (3) is fixedly connected with support column (4), the lower surface of reaction kettle (1) is fixedly connected with the motor (5) of No., the output end of motor (5) is fixedly connected with the stirring rod (6) of passing through the lower surface of reaction kettle (1), the side of reaction kettle (1) is fixedly connected with liquid inlet pipe (7) and gas outlet pipe (9), the side of liquid inlet pipe (7) is fixedly connected with the valve (8) of No., the upper end of reaction kettle (1) is provided with the grinding assembly.

2. The system for production of sodium ethoxide according to claim 1, characterized in that, Wherein: The grinding assembly includes a grinding box (10), the grinding box (10) is fixedly connected to the upper end of the reaction kettle (1), the inner top surface of the grinding box (10) is rotatably connected with two gears (13), the two gears (13) are meshed with each other, the upper surface of the grinding box (10) is fixedly connected with the motor (12) of No. 2, the output end of the motor (12) of No. 2 is fixedly connected to the upper surface of the gear (13) of penetrating the grinding box (10).

3. The system for production of sodium ethoxide according to claim 2, characterized in that, Wherein: The lower surface of the gear (13) is fixedly connected with the shaft (14), the side of the shaft (14) is fixedly connected with the spiral blade (15), the two spiral blades (15) are meshed with each other, the side of the grinding box (10) is provided with the feed inlet (11), the feed inlet (11) is arranged between the two shafts (14).

4. The system for production of sodium ethoxide according to claim 1, wherein Wherein: The upper end of the evaporation kettle (2) is clamped and connected with the cover (18), the cover (18) is provided with a connecting port, the side of the evaporation kettle (2) is fixedly connected with the high-pressure gas pump (19), the output pipe of the high-pressure gas pump (19) extends into the evaporation kettle (2).

5. The system for production of sodium ethoxide according to claim 1, wherein Wherein: The lower surface of the reaction kettle (1) is fixedly connected with the guide pipe (17), the upper end of the guide pipe (17) extends to the inside of the evaporation kettle (2) through the connecting port.

6. The system for production of sodium ethoxide according to claim 5, characterized in that, Wherein: The side of the guide pipe (17) is fixedly connected with the valve (16) of No. 2, the valve (16) of No. 2 is arranged at one end of the guide pipe (17) close to the reaction kettle (1).

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