Impurity separation equipment for monoethyl adipate production

Abstract

The utility model discloses impurity separation equipment for monoethyl adipate production, which is characterized in that the upper surface of a tank body is movably connected with a sealing cover, the inner surface of the tank body is fixedly connected with a heating plate, the inner surface of the tank body is rotatably connected with a stirring device, and the inner surface of the stirring device is movably connected with an activated carbon adsorbent. The side surface of the tank body is communicated with an air pipe, the outer wall of the air pipe is fixedly connected with a condenser, the other end of the air pipe is fixedly connected with an air pump, the side surface of the air pipe is communicated with a liquid discharging pipe, the lower end of the liquid discharging pipe is fixedly connected with a collecting box, and the front surface of the collecting box is communicated with a liquid taking pipe. The vacuum low-temperature distillation device can be used for vacuum low-temperature distillation, thermal damage of high temperature to monoethyl adipate is reduced, and the stirring device with the activated carbon adsorbent is matched, so that impurities difficult to separate in a mixture can be removed, and the separation effect of vacuum low-temperature distillation is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of impurity separation equipment, in particular to impurity separation equipment for producing monoethyl adipate. Background Art

[0002] Existing solution impurity separation equipment separates impurities in the solution by distillation. However, when it is used, it does not have a device to reduce the gas pressure and a device that can separate some impurities in advance. Direct high-temperature distillation may destroy some high-temperature-sensitive substances in the solution, reducing the quality of the product. For example, a Chinese patent discloses a "Sodium Suglucose Organic Impurity Separation Device", and its application number is "202221705083.0". This device includes a distillation tank, a motor is fixed on the top of the distillation tank, and a centrifugal defoamer is fixed after the motor shaft seal of the motor passes through the distillation tank. The centrifugal defoamer is located in the upper section of the distillation tank; a steam pipe The seal is fixedly connected to the steam distributor after passing through the distillation tank, and the steam distributor is located near the lower end of the distillation tank; a steam valve is installed on the steam pipe outside the distillation tank, and a discharge pipe is arranged at the lower end of the distillation tank, and a discharge valve and a discharge pump are installed on the discharge pipe; the top of the distillation tank is connected to the steam discharge pipe, which can make the steam entering the sodium gluconate aqueous solution more uniform, and the centrifugal defoamer can eliminate the foam formed in the distillation tank, thereby avoiding the phenomenon of material rushing as much as possible. However, when it is used, it does not have a device for reducing the air pressure and a device for separating some impurities in advance. Direct high-temperature distillation may destroy some high-temperature-inresistant substances in the solution, thereby reducing the quality of the product. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide an impurity separation device for the production of monoethyl adipate. After the air pump outputs, the air pressure in the tank is pumped to a negative pressure state through an air pipe, which can reduce the boiling point of monoethyl adipate, reduce the thermal damage of high temperature to monoethyl adipate, ensure product quality, effectively help to achieve the impurity separation of monoethyl adipate, improve the purity and quality of the product, and cooperate with a stirring device with an activated carbon adsorbent. The adsorption effect of the activated carbon can help remove impurities in the mixture that are difficult to separate, thereby enhancing the separation effect of vacuum low-temperature distillation and improving the quality of the product. Stirring can help achieve a uniform distribution of the temperature inside the mixture, which is beneficial to maintaining the stability and efficiency of the distillation process.

[0004] The utility model also provides the above-mentioned impurity separation equipment for producing monoethyl adipate, comprising: a tank body, the upper surface of the tank body is movably connected with a sealing cover, the inner surface of the tank body is fixedly connected with a heating plate, the inner surface of the tank body is rotatably connected with a stirring device, the inner surface of the stirring device is movably connected with an activated carbon adsorbent, the side surface of the tank body is connected with an air pipe, the outer wall of the air pipe is fixedly connected with a condenser, the other end of the air pipe is fixedly connected with an air pump, the side surface of the air pipe is connected with a drain pipe, the lower end of the drain pipe is fixedly connected with a collecting box, and the front surface of the collecting box is connected with a liquid collection pipe. Through the above components, vacuum low-temperature distillation can be carried out to reduce the thermal damage of high temperature to monoethyl adipate, and the stirring device with activated carbon adsorbent can help remove impurities that are difficult to separate in the mixture, thereby enhancing the separation effect of vacuum low-temperature distillation.

[0005] According to the impurity separation equipment for the production of monoethyl adipate described in the utility model, the stirring device includes: a rotating shaft, a stirring blade, and a motor. The rotating shaft is rotatably connected to the inner surface of the tank body, the stirring blade is fixedly connected to the side surface of the rotating shaft, the motor is fixedly connected to the lower surface of the tank body, and the rotating shaft is fixedly connected to the output end of the motor. The above components facilitate stirring of the internal monoethyl adipate solution to help achieve uniform distribution of the internal temperature of the mixture.

[0006] According to the impurity separation equipment for producing monoethyl adipate described in the utility model, a handle is fixedly connected to the upper surface of the sealing cover, and an anti-slip sleeve is fixedly connected to the side surface of the handle. The above components facilitate users to use the sealing cover.

[0007] According to the impurity separation equipment for producing monoethyl adipate described in the utility model, a sealing gasket is fixedly connected to the lower surface of the sealing cover, and the side surface of the sealing gasket is movably connected to the inner wall of the tank body. The above components facilitate the improvement of the sealing performance of the sealing cover.

[0008] According to the impurity separation equipment for producing monoethyl adipate described in the utility model, the lower surface of the tank body is fixedly connected with a bottom plate, and the above components facilitate the support of the tank body.

[0009] According to the impurity separation equipment for the production of monoethyl adipate described in the utility model, a cushion block is fixedly connected to the lower surface of the bottom plate, and an anti-slip pad is fixedly connected to the lower surface of the cushion block. The above components facilitate the lifting of the tank body to prevent interference from foreign objects on the ground.

[0010] According to the impurity separation equipment for the production of monoethyl adipate described in the utility model, the front surface of the bottom plate is fixedly connected to a storage plate, the collection box is located on the storage plate, and the lower surface of the storage plate is fixedly connected to support legs, and the above components are used to support the collection box.

[0011] According to the impurity separation equipment for producing monoethyl adipate described in the utility model, the side surface of the tank body is provided with a viewing window, through which the internal conditions can be viewed.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the impurity separation equipment for the production of monoethyl adipate can reduce the boiling point of monoethyl adipate, reduce the thermal damage of monoethyl adipate to monoethyl adipate caused by high temperature, ensure the product quality, effectively help to separate the impurities of monoethyl adipate, and improve the purity and quality of the product.

[0014] 2. Compared with the prior art, the impurity separation equipment for the production of monoethyl adipate is equipped with a stirring device having an activated carbon adsorbent. The adsorption effect of the activated carbon can help remove impurities in the mixture that are difficult to separate, thereby enhancing the separation effect of vacuum low-temperature distillation and improving the quality of the product. Moreover, stirring can help achieve a uniform distribution of the temperature inside the mixture, which is beneficial to maintaining the stability and efficiency of the distillation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a main structural diagram of the impurity separation equipment for producing monoethyl adipate of the utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the impurity separation equipment for producing monoethyl adipate of the utility model;

[0018] Figure 3 This is a rear structural diagram of the impurity separation equipment for producing monoethyl adipate of the utility model;

[0019] Figure 4 This is a left-side structural diagram of the impurity separation equipment for producing monoethyl adipate of the utility model.

[0020] Legend:

[0021] 1. Anti-slip cover; 2. Handle; 3. Sealing cover; 4. Tank body; 5. Window; 6. Bottom plate; 7. Cushion block; 8. Anti-slip mat; 9. Condenser; 10. Air pipe; 11. Air pump; 12. Drain pipe; 13. Collection box; 14. Storage board; 15. Support leg; 16. Activated carbon adsorbent; 17. Stirring blade; 18. Rotating shaft; 19. Heating plate; 20. Motor; 21. Liquid extraction pipe; 22. Sealing pad. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment of an impurity separation device for the production of monoethyl adipate comprises: a tank body 4 for processing monoethyl adipate solution inside, a side surface of the tank body 4 is provided with a window 5, a bottom plate 6 is fixedly connected to the lower surface of the tank body 4, a cushion block 7 is fixedly connected to the lower surface of the bottom plate 6, a non-slip pad 8 is fixedly connected to the lower surface of the cushion block 7, a storage plate 14 is fixedly connected to the front surface of the bottom plate 6, a collection box 13 is located on the storage plate 14, a support leg 15 is fixedly connected to the lower surface of the storage plate 14, a sealing cover 3 is movably connected to the upper surface of the tank body 4 for sealing the tank body, a handle 2 is fixedly connected to the upper surface of the sealing cover 3, a non-slip sleeve 1 is fixedly connected to the side surface of the handle 2, and a sealing pad 22 is fixedly connected to the lower surface of the sealing cover 3.

[0024] The side surface of the sealing gasket 22 is movably connected to the inner wall of the tank body 4, and a heating plate 19 is fixedly connected to the inner surface of the tank body 4 for heating the inside of the tank body 4. A stirring device is rotatably connected to the inner surface of the tank body 4, and the stirring device includes: a rotating shaft 18, a stirring blade 17, and a motor 20. The rotating shaft 18 is rotatably connected to the inner surface of the tank body 4, the stirring blade 17 is fixedly connected to the side surface of the rotating shaft 18, and the motor 20 is fixedly connected to the lower surface of the tank body 4. The rotating shaft 18 is fixedly connected to the output end of the motor 20, and is used to stir the monoethyl adipate solution inside to make its temperature uniform.

[0025] The inner surface of the stirring device is movably connected with an activated carbon adsorbent 16 for adsorbing some impurities inside the monoethyl adipate solution. The side surface of the tank body 4 is connected with an air pipe 10, and the outer wall of the air pipe 10 is fixedly connected with a condenser 9 for re-condensing the steam into liquid. The other end of the air pipe 10 is fixedly connected with an air pump 11, and the side surface of the air pipe 10 is connected with a drain pipe 12 for discharging the liquid into a collection box 13. The lower end of the drain pipe 12 is fixedly connected with the collection box 13, and the front surface of the collection box 13 is connected with a liquid collection pipe 21.

[0026] Working principle: When in use, the sealing cover 3 is opened by the handle 2, and the monoethyl adipate with impurities is placed in the interior of the tank body 4. After placing it in, the sealing cover 3 is covered again, and the interior of the tank body 4 is pumped to a negative pressure state by the air pump 11 to reduce the boiling point of the monoethyl adipate solution. The solution is stirred by the stirring device, and a part of the impurities in the solution is absorbed by the activated carbon adsorbent 16 above. The monoethyl adipate solution is heated by the heating plate 19 to evaporate it. The evaporated steam will pass through the air pipe 10, and will be re-condensed into liquid by the condenser 9 on the air pipe 10 and enter the interior of the collection box 13.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An impurity separation device for producing monoethyl adipate, characterized in that: include: A tank body (4), wherein the upper surface of the tank body (4) is movably connected to a sealing cover (3), the inner surface of the tank body (4) is fixedly connected to a heating plate (19), the inner surface of the tank body (4) is rotatably connected to a stirring device, the inner surface of the stirring device is movably connected to an activated carbon adsorbent (16), the side surface of the tank body (4) is connected to an air pipe (10), the outer wall of the air pipe (10) is fixedly connected to a condenser (9), the other end of the air pipe (10) is fixedly connected to an air pump (11), the side surface of the air pipe (10) is connected to a drain pipe (12), the lower end of the drain pipe (12) is fixedly connected to a collection box (13), and the front surface of the collection box (13) is connected to a liquid collection pipe (21).

2. The impurity separation equipment for producing monoethyl adipate according to claim 1, characterized in that: The stirring device comprises: a rotating shaft (18), a stirring blade (17), and a motor (20); the rotating shaft (18) is rotatably connected to the inner surface of a tank body (4); the stirring blade (17) is fixedly connected to the side surface of the rotating shaft (18); the motor (20) is fixedly connected to the lower surface of the tank body (4); and the rotating shaft (18) is fixedly connected to the output end of the motor (20).

3. The impurity separation equipment for producing monoethyl adipate according to claim 1, characterized in that: The upper surface of the sealing cover (3) is fixedly connected to a handle (2), and the side surface of the handle (2) is fixedly connected to an anti-slip sleeve (1).

4. The impurity separation equipment for producing monoethyl adipate according to claim 1, characterized in that: A sealing gasket (22) is fixedly connected to the lower surface of the sealing cover (3), and a side surface of the sealing gasket (22) is movably connected to the inner wall of the tank body (4).

5. The impurity separation equipment for producing monoethyl adipate according to claim 1, characterized in that: A bottom plate (6) is fixedly connected to the lower surface of the tank body (4).

6. The impurity separation equipment for producing monoethyl adipate according to claim 5, characterized in that: A cushion block (7) is fixedly connected to the lower surface of the base plate (6), and an anti-slip pad (8) is fixedly connected to the lower surface of the cushion block (7).

7. The impurity separation equipment for producing monoethyl adipate according to claim 5, characterized in that: The front surface of the bottom plate (6) is fixedly connected to a storage plate (14), the collection box (13) is located on the storage plate (14), and the lower surface of the storage plate (14) is fixedly connected to a support leg (15).

8. The impurity separation equipment for producing monoethyl adipate according to claim 1, characterized in that: A viewing window (5) is provided on the side surface of the tank body (4).

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