Rectification and purification equipment for dimethyl sulfoxide

Abstract

The utility model discloses dimethyl sulfoxide rectification purification equipment which is characterized in that a bracket is fixedly connected to the upper surface of a bottom plate, and a separation box is fixedly connected to the upper surface of the bracket; a first limiting block is fixedly connected to the upper surface of the bottom plate, an impurity recovery tank is detachably connected into the first limiting block, a second limiting block is fixedly connected to the upper surface of the bottom plate, a lifting device is arranged in the second limiting block, and a storage tank is detachably connected to the upper surface of the lifting device. The upper surface of the bottom plate is fixedly connected with a first fixing device, the interior of the first fixing device is detachably connected with a storage tank, the upper surface of the bottom plate is fixedly connected with a second fixing device, the interior of the second fixing device is detachably connected with an evaporation tank, and a connecting pipeline is arranged between the storage tank and the evaporation tank. The device has the advantages that multiple times of separation and evaporation treatment on dimethyl sulfoxide are achieved, impurities in dimethyl sulfoxide are removed to a large extent, multiple times of separation and purification work can be conducted at the same time, the purification efficiency can be guaranteed, and the work stability can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of rectification and purification equipment, in particular to a rectification and purification equipment for dimethyl sulfoxide. Background Art

[0002] Dimethyl sulfoxide is a sulfur-containing organic compound, which is a colorless, odorless and transparent liquid at room temperature. It is a hygroscopic and flammable liquid, with the characteristics of high polarity, high boiling point, good thermal stability, aprotic and miscible with water. However, after the production of dimethyl sulfoxide, it will carry moisture and impurities inside. Therefore, it is necessary to carry out rectification and purification work on it. However, the traditional purification equipment fails to consider the different properties of impurities inside the material, and it is easy to have multiple types of impurities remaining, resulting in a lower purification effect. Moreover, the purification process needs to be carried out step by step, the working time is prolonged, and the working efficiency is reduced. For example, the Chinese patent discloses "a device for separating and purifying dimethyl sulfoxide", and its application number is "CN202221196768.7". It includes: a dehydration system, a rectification system, and a reflux system. The rectification system includes a continuous evaporator, a first and a second evaporation kettle. The exhaust port of the continuous evaporator is fixedly connected to the moisture treatment system, and the drain port is detachably connected to the first evaporation kettle. The feed port of the second evaporation kettle is connected to the exhaust port of the first evaporation kettle, and a packing tower is arranged at the exhaust port. The drain port is connected to the moisture treatment system. The exhaust port of the packing tower is connected to the tail gas system through a condenser. The drain port of the condenser is connected to the packing tower through a first pipeline. The drain port is located at the upper part of the side wall of the packing tower. The reflux system includes a reflux pipeline. The upper surface of the reflux pipeline is connected to the dimethyl sulfoxide source, and the lower surface of the reflux pipeline is connected to the upper surface of the packing tower. Summary of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a rectification and purification equipment for dimethyl sulfoxide. Through the filter screen and the guiding landslide inside the separation box, the primary separation of particulate matter and dimethyl sulfoxide is carried out stably. Then, by means of evaporation and using the characteristic of different boiling points, most of the impurities are eliminated, and it can ensure that multiple stages of work are carried out simultaneously, ensuring the working efficiency. It realizes the advantages of carrying out multiple separation and evaporation treatments on dimethyl sulfoxide, removing impurities therein to a large extent, and being able to carry out multiple separation and purification works simultaneously to ensure the purification efficiency and effectively ensure the purification effect. Through the fixing device one with a heating plate one, the fixing device two with a heating plate two, the separation box provided with a filter screen, the output pipeline one, the output pipeline two and the connecting pipeline, the separated dimethyl sulfoxide is transported and transferred. And most of the time, it is a closed transportation, with less contact with external air impurities, realizing the advantages of ensuring the working stability, making the transportation of the evaporated material safer and more stable, reducing the contact time with the outside world, avoiding secondary pollution of the material, and ensuring the safety and stability of the purification work.

[0004] The present utility model also provides a rectification and purification device for dimethyl sulfoxide having the above-mentioned one, comprising: a bottom plate, on the upper surface of which a bracket is fixedly connected, and on the upper surface of the bracket a separation box is fixedly connected; on the upper surface of the bottom plate a first limiting block is fixedly connected, inside which an impurity recovery tank is detachably connected, on the upper surface of the bottom plate a second limiting block is fixedly connected, inside which a lifting device is arranged, and on the upper surface of the lifting device a storage tank is detachably connected; on the upper surface of the bottom plate a first fixing device is fixedly connected, inside which a storage tank is detachably connected, on the upper surface of the bottom plate a second fixing device is fixedly connected, inside which an evaporation tank is detachably connected, and a connecting pipe is arranged between the storage tank and the evaporation tank. Through the above devices, the dimethyl sulfoxide is subjected to multiple separation and evaporation treatments, impurities therein are removed to a large extent, and the work of multiple separation and purification can be carried out simultaneously to ensure the purification efficiency and the working stability.

[0005] According to the rectification and purification device for dimethyl sulfoxide of the present utility model, an output pipe one is arranged between the impurity recovery tank and the separation box, and an output pipe two is arranged between the storage tank and the separation box. Through the above devices, the preliminarily separated dimethyl sulfoxide is separately transported, facilitating the subsequent purification work.

[0006] According to the rectification and purification device for dimethyl sulfoxide of the present utility model, a rotating rod is rotatably connected to the upper surface of the separation box, and a sealing plate is fixedly connected to the side surface of the rotating rod. Through the above devices, the advantages of facilitating the addition of materials and facilitating the cleaning and replacement of the filter screen are achieved.

[0007] According to the rectification and purification device for dimethyl sulfoxide of the present utility model, a control valve is arranged inside the connecting pipe, and the control valve is composed of a valve plate, a valve rod and a turntable. The valve plate is located inside the connecting pipe. Through the above devices, the conveying speed and the conveying amount of the connecting pipe are stably controlled, ensuring the stable and safe conveying work.

[0008] According to the rectification and purification device for dimethyl sulfoxide of the present utility model, the valve rod is fixedly connected to the valve plate, the valve rod is rotatably connected to the connecting pipe, and the turntable is fixedly connected to the valve rod. Through the above devices, the advantages that the control valve can work stably and carry out conveying adjustment are achieved.

[0009] According to the rectification and purification device for dimethyl sulfoxide of the present utility model, a filter screen is arranged inside the separation box, and a guiding landslide is arranged inside the separation box, and the guiding landslide is located above the filter screen. Through the above devices, the materials fed in are stably subjected to primary filtration separation and primary purification.

[0010] A rectification and purification device for dimethyl sulfoxide according to the present utility model, wherein the first fixing device is composed of a first load-bearing block, a first fixing frame and a first heating plate. The first heating plate is located inside the first fixing frame. The second fixing device is composed of a second load-bearing block, a second fixing frame and a second heating plate. The second heating plate is located inside the second fixing frame. Through the above devices, the advantages of evaporating and purifying the separated dimethyl sulfoxide material are achieved.

[0011] A rectification and purification device for dimethyl sulfoxide according to the present utility model, wherein the lifting device is composed of a hydraulic telescopic device and a connecting block. The connecting block is detachably connected to the storage tank. Through the above devices, the effect of stably driving the storage tank of dimethyl sulfoxide material to lift, so as to facilitate manually placing it at the position of the evaporation tank is achieved.

[0012] Beneficial effects

[0013] 1. Compared with the prior art, in the rectification and purification device for dimethyl sulfoxide, through the filter screen and the guiding landslide inside the separation box, the primary separation of particulate matter and dimethyl sulfoxide is stably carried out. Then, by means of evaporation and using the characteristic of different boiling points, most impurities are eliminated, and it can ensure that multiple stages of work are carried out simultaneously, ensuring the work efficiency. The advantages of carrying out multiple separation and evaporation treatments on dimethyl sulfoxide, removing impurities therein to a large extent, and being able to carry out multiple separation and purification works simultaneously to ensure the purification efficiency and effectively ensure the purification effect are achieved.

[0014] 2. Compared with the prior art, in the rectification and purification device for dimethyl sulfoxide, through the first fixing device with a first heating plate, the second fixing device with a second heating plate, the separation box provided with a filter screen, the first output pipeline, the second output pipeline and the connecting pipeline, the separated dimethyl sulfoxide is transported and transferred. And most of the time, it is a closed transportation, with less contact with external air impurities. The advantages of ensuring the work stability, making the transportation of the evaporated material safer and more stable, reducing the contact time with the outside world, avoiding secondary pollution of the material, and ensuring the safety and stability of the purification work are achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The following further describes the present utility model in conjunction with the drawings and embodiments;

[0016] Figure 1 It is the overall structure diagram of the rectification and purification device for dimethyl sulfoxide of the present utility model;

[0017] Figure 2 It is the side view structure diagram of the rectification and purification device for dimethyl sulfoxide of the present utility model;

[0018] Figure 3 It is the right view sectional drawing of the rectification and purification device for dimethyl sulfoxide of the present utility model;

[0019] Figure 4 This is the left - view sectional view of the rectification and purification equipment for dimethyl sulfoxide of the present utility model.

[0020] Legend description:

[0021] 1. Bottom plate; 2. Support; 3. Separation box; 4. Rotating rod; 5. Sealing plate; 6. Fixing device one; 7. Storage tank; 8. Fixing device two; 9. Evaporation tank; 10. Connecting pipeline; 11. Control valve; 12. Limiting block one; 13. Limiting block two; 14. Lifting device; 15. Impurity recovery tank; 16. Receiving tank; 17. Output pipeline one; 18. Output pipeline two; 19. Filter screen; 20. Guide landslide. Specific implementation manners

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

[0023] Refer to Figures 1-4 , in an embodiment of the present utility model, a rectification and purification equipment for dimethyl sulfoxide includes: a bottom plate 1, which provides stable support and fixation for the whole device. A support 2 is fixedly connected to the upper surface of the bottom plate 1, which provides stable support for the separation box 3. A separation box 3 is fixedly connected to the upper surface of the support 2, which is used for the primary separation of dimethyl sulfoxide. A rotating rod 4 is rotatably connected to the upper surface of the separation box 3, which is used to drive the sealing plate 5 to rotate. A sealing plate 5 is fixedly connected to the side surface of the rotating rod 4, which is used to enhance the sealing performance of the sealing plate 5. A filter screen 19 is arranged inside the separation box 3, which provides a filtering function. A guide landslide 20 is arranged inside the separation box 3, which guides the input materials. The guide landslide 20 is located above the filter screen 19 to limit the guide landslide 20.

[0024] A limiting block one 12 is fixedly connected to the upper surface of the bottom plate 1, which limits and fixes the impurity recovery tank 15. The impurity recovery tank 15 is detachably connected inside the limiting block one 12, which is used to store the impurities separated for the first time. An output pipeline one 17 is arranged between the impurity recovery tank 15 and the separation box 3, which can stably send the separated impurities into the impurity recovery tank 15. A limiting block two 13 is fixedly connected to the upper surface of the bottom plate 1, which limits and fixes the lifting device 14. A lifting device 14 is arranged inside the limiting block two 13, which provides support for the receiving tank 16 and drives it to lift.

[0025] The upper surface of the lifting device 14 is detachably connected with a storage tank 16 for storing dimethyl sulfoxide after primary separation. An output pipeline II 18 is arranged between the storage tank 16 and the separation tank 3 to stably transport the dimethyl sulfoxide after primary separation into the storage tank 16. The lifting device 14 is composed of a hydraulic telescopic device and a connecting block. The components of the lifting device 14 are defined. The connecting block is detachably connected with the storage tank 16 to facilitate the disassembly of the storage tank 16.

[0026] The upper surface of the bottom plate 1 is fixedly connected with a fixing device I 6 to support and fix the storage tank 7. The fixing device I 6 is composed of a load-bearing block I, a fixing frame I and a heating plate I. The components of the fixing device I 6 are defined. The heating plate I is located inside the fixing frame I to limit and fix the heating plate I. The storage tank 7 is detachably connected inside the fixing device I 6 for storing dimethyl sulfoxide after evaporation and purification. The upper surface of the bottom plate 1 is fixedly connected with a fixing device II 8 to support and fix the evaporation tank 9. The fixing device II 8 is composed of a load-bearing block II, a fixing frame II and a heating plate II. The components of the fixing device II 8 are defined. The heating plate II is located inside the fixing frame II to limit and fix the heating plate II. The evaporation tank 9 is detachably connected inside the fixing device II 8 to evaporate and purify the dimethyl sulfoxide after primary separation.

[0027] A connecting pipeline 10 is arranged between the storage tank 7 and the evaporation tank 9 to stably send the dimethyl sulfoxide separated by evaporation into the storage tank 7. A control valve 11 is arranged inside the connecting pipeline 10 to stably control the conveying speed and conveying volume of the connecting pipeline 10. The control valve 11 is composed of a valve plate, a valve rod and a turntable. The components of the control valve 11 are defined. The valve plate is located inside the connecting pipeline 10 to limit the valve plate. The valve rod is fixedly connected with the valve plate to stably drive the valve plate to rotate for opening and closing the valve. The valve rod is rotatably connected with the connecting pipeline 10 to limit the movement range of the valve rod. The turntable is fixedly connected with the valve rod to stably rotate the valve rod.

[0028] Working principle: During use, the sealing plate 5 above the separation tank 3 is opened by rotating the rod 4, and then dimethyl sulfoxide to be rectified and purified is put into the separation tank 3. It is sent to the filter screen 19 by the guiding landslide 20 for primary filtration and separation. After the dimethyl sulfoxide is put in, the sealing plate 5 is closed by rotating the rod 4. After the preliminary separation, it is sent into the impurity recovery tank 15 and the storage tank 16 through the first output pipeline 17 and the second output pipeline 18 respectively. After the separated dimethyl sulfoxide is stored in the storage tank 16, it is manually put into the fixing device two 8 to become the evaporation tank 9, and is heated by the second heating plate inside the fixing device two 8. Thus, the evaporated dimethyl sulfoxide is sent into the storage tank 7 through the connecting pipeline 10. After the evaporation work is completed, the original evaporation tank 9 is taken away and a new tank is put in. At this time, the first heating plate inside the fixing device one 6 below the storage tank 7 starts to work to evaporate and remove the impurities with a boiling point lower than that of dimethyl sulfoxide. After the work is completed, the purified dimethyl sulfoxide inside the storage tank 7 is taken away.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art to which it pertains, various changes can be made without departing from the gist of the present utility model.

Claims

1. A distillation and purification device for dimethyl sulfoxide, characterized in that: include: A bottom plate (1), the upper surface of the bottom plate (1) being fixedly connected to a bracket (2), and the upper surface of the bracket (2) being fixedly connected to a separation box (3); The upper surface of the bottom plate (1) is fixedly connected to a first limiting block (12), the interior of the first limiting block (12) is detachably connected to an impurity recovery tank (15), the upper surface of the bottom plate (1) is fixedly connected to a second limiting block (13), the interior of the second limiting block (13) is provided with a lifting device (14), and the upper surface of the lifting device (14) is detachably connected to a storage tank (16); A fixing device 1 (6) is fixedly connected to the upper surface of the bottom plate (1), and a storage tank (7) is detachably connected to the interior of the fixing device 1 (6). A fixing device 2 (8) is fixedly connected to the upper surface of the bottom plate (1), and an evaporation tank (9) is detachably connected to the interior of the fixing device 2 (8). A connecting pipe (10) is provided between the storage tank (7) and the evaporation tank (9).

2. A distillation and purification equipment for dimethyl sulfoxide according to claim 1, characterized in that: An output pipe 1 (17) is provided between the impurity recovery tank (15) and the separation box (3), and an output pipe 2 (18) is provided between the storage tank (16) and the separation box (3).

3. A distillation and purification equipment for dimethyl sulfoxide according to claim 1, characterized in that: The upper surface of the separation box (3) is rotatably connected to a rotating rod (4), and the side surface of the rotating rod (4) is fixedly connected to a sealing plate (5).

4. A distillation and purification equipment for dimethyl sulfoxide according to claim 1, characterized in that: A control valve (11) is arranged inside the connecting pipe (10), and the control valve (11) is composed of a valve plate, a valve stem and a rotating disk, and the valve plate is located inside the connecting pipe (10).

5. A distillation and purification equipment for dimethyl sulfoxide according to claim 4, characterized in that: The valve stem is fixedly connected to the valve plate, the valve stem is rotationally connected to the connecting pipe (10), and the rotating disk is fixedly connected to the valve stem.

6. The distillation and purification equipment for dimethyl sulfoxide according to claim 1, characterized in that: A filter screen (19) is arranged inside the separation box (3), and a guide slide (20) is arranged inside the separation box (3), wherein the guide slide (20) is located above the filter screen (19).

7. The distillation and purification equipment for dimethyl sulfoxide according to claim 1, characterized in that: The fixing device 1 (6) is composed of a load-bearing block 1, a fixing frame 1 and a heating plate 1, and the heating plate 1 is located inside the fixing frame 1. The fixing device 2 (8) is composed of a load-bearing block 2, a fixing frame 2 and a heating plate 2, and the heating plate 2 is located inside the fixing frame 2.

8. The distillation and purification equipment for dimethyl sulfoxide according to claim 1, characterized in that: The lifting device (14) is composed of a hydraulic telescopic device and a connecting block, and the connecting block is detachably connected to the storage tank (16).

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