Switching device for replacing solvent for refined material

Abstract

The utility model relates to a switching device for replacing solvents for refined materials, which belongs to the technical field of chemical production and comprises a front distillation tank, a main distillation tank, a condenser, a refining reaction kettle, a front distillation stop valve, a main distillation stop valve, a to-be-refined material conveying pipe, a refined new solution conveying pipe, centrifugal equipment, a first feeding valve and a second feeding valve. The front distillation tank is fixedly communicated with a front distillation cut-off valve; and the front distillation cut-off valve is fixedly communicated with the condenser. According to the switching device for replacing the solvent in the refined material, the solvent switching control is realized through the single refining reaction kettle, the manual operation links are effectively reduced, the switching efficiency and accuracy are improved, the labor intensity and the risk of human errors are reduced, and the solvent is replaced in a closed manner through different boiling points, so that the switching device is environment-friendly, safe and energy-saving; and the device is provided with a perfect sensor and a well-sealed valve assembly, so that the safety and the reliability of the production process can be ensured.

Description

Technical Field

[0001] This utility model relates to the field of chemical production technology, and in particular to a switching device for changing solvents in refined materials. Background Technology

[0002] Some raw materials used in chemical production contain a certain amount of impurities, which are difficult to remove. The presence of these impurities greatly affects the quality of the final or intermediate products. If the quality of the intermediate products is problematic, it will naturally affect the quality of subsequent products. Since impurities are difficult to remove from raw materials, it is difficult to improve the quality of some chemical or biological products. Therefore, it is necessary to refine the raw materials to remove impurities.

[0003] In many chemical refining processes, it is often necessary to switch the solvent used in the refining materials according to different process stages or product requirements. Traditional solvent switching methods often rely on manual operation of multiple valves and pipeline connections. This method is not only cumbersome and inefficient, but also prone to problems such as solvent leakage and uneven mixing due to human error, affecting product quality and production safety. In addition, many refining processes actually involve direct crystallization and centrifugation followed by the addition of new solvent for refining. This process results in significant material waste and high energy consumption. Existing switching devices are complex in structure, expensive, and difficult to maintain, making it difficult to meet the demand for efficient, stable, and economical solvent switching in large-scale industrial production. Therefore, developing a switching device for changing the solvent in refining materials is of great practical significance. Utility Model Content

[0004] This invention provides a solvent switching device for refining materials, which solves the problems mentioned in the background. It controls solvent switching through a single refining reactor, reduces manual operation, improves switching efficiency and accuracy, reduces labor intensity and the risk of human error, and is safe and reliable. The device is equipped with a complete set of sensor monitors and well-sealed valve components, which can promptly detect and handle safety hazards such as solvent leakage, ensuring the safety and reliability of the production process.

[0005] The utility model discloses a scheme that solves the above technical problem as follows: A switching device for replacing solvent of refined material, including front distillation jar, main distillation jar, condenser, refined reaction kettle, front distillation cut -off valve, main distillation cut -off valve, to be refined material conveying pipe, refined new solution conveying pipe, centrifugal equipment, no. 1 feeding valve, no. 2 feeding valve, the front distillation jar is fixedly connected with front distillation cut -off valve, the front distillation cut -off valve is fixedly connected with condenser, the main distillation jar is fixedly connected with main distillation cut -off valve, and the main distillation cut -off valve is connected with condenser, and the to be refined material conveying pipe is fixedly connected with refined reaction kettle through no. 1 feeding valve, and the refined new solution conveying pipe is fixedly connected with refined reaction kettle through no. 2 feeding valve, and the refined reaction kettle is fixedly connected with discharge valve, and the discharge valve is communicated with centrifugal equipment through pipeline, and the centrifugal equipment is fixedly connected with no. 1 discharge valve, and the refined reaction kettle is fixedly connected with no. 2 discharge valve, and the refined reaction kettle is connected with condenser through no. 2 discharge valve, and the front distillation jar, main distillation jar all are equipped with liquid level meter and discharge valve, and the refined reaction kettle is installed temperature sensor and pressure gauge, and the refined reaction kettle is provided with reaction kettle liquid level meter.

[0006] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0007] Further, the front distillation jar and the main distillation jar are placed at the bottom of the condenser, and the condensed liquid produced by the condenser can be collected in the front distillation jar or the main distillation jar.

[0008] Further, the centrifugal equipment is placed at the bottom of the refined reaction kettle, and opening the discharge valve of the refined reaction kettle can deliver the material to the centrifugal equipment for centrifugal processing.

[0009] Further, the condenser is communicated with a T-shaped pipeline, and is communicated with the front distillation cut-off valve and the main distillation cut-off valve through the T-shaped pipeline. When the front distillation cut-off valve is opened, the condensed liquid can be discharged to the front distillation jar, and when the main distillation cut-off valve is opened, the condensed liquid can be discharged to the main distillation jar.

[0010] The utility model provides a kind of switching device for replacing solvent of refined material, with the following advantages:

[0011] 1, thus the switching device for replacing solvent of refined material realizes the control of solvent switching by single refined reaction kettle, effectively reduces artificial operation link, improves switching efficiency and accuracy, reduces labor intensity and the risk of human error, replaces solvent by different boiling points, which is environmentally friendly, safe and energy-saving.

[0012] 2. Safer and more reliable: The device is equipped with complete sensors and well-sealed valve components, which can ensure the safety and reliability of the production process. It can be widely used in the production processes involving the processing of refined materials and solvents in many industries such as chemical, pharmaceutical and food industries. It effectively solves the practical problems of cumbersome operation, low efficiency and unstable quality in existing solvent switching technologies, and has strong practicality and application prospects.

[0013] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it according to the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. The specific implementation methods of this utility model are given in detail in the following embodiments and their accompanying drawings. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0015] Figure 1 This is a schematic diagram of a switching device for changing solvents in refined materials, provided as an embodiment of the present invention.

[0016] The attached diagram lists the components represented by each number as follows:

[0017] 1. Fore-distillation tank; 2. Main distillation tank; 3. Condenser; 4. Refining reactor; 5. Fore-distillation shut-off valve; 6. Main distillation shut-off valve; 7. Feed pipe for material to be refined; 8. Feed pipe for new refined solution; 9. Discharge valve; 10. Centrifuge; 11. No. 1 discharge valve; 12. No. 1 feed valve; 13. No. 2 feed valve; 14. No. 2 discharge valve; 15. Level gauge; 16. Discharge valve; 17. Temperature sensor; 18. Pressure gauge; 19. Reactor level gauge. Detailed Implementation

[0018] The following is in conjunction with the appendix Figure 1 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0019] It should be understood that when an element, or components, is referred to as being "on" another element, or components, it can be directly on another element or intervening elements can also be present. In addition, it should be understood that when an element or layer is referred to as being "connected", "attached", "engaged" or "coupled" to another element or layer, it can be directly connected, attached, engaged or coupled to the other element or layer, or intervening elements can be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0021] As shown in Figure 1 A switching device for refining material replacement solvent, comprising a front distillation tank 1, a main distillation tank 2, a condenser 3, a refining reaction kettle 4, a front distillation cut-off valve 5, a main distillation cut-off valve 6, a to-be-refined material conveying pipe 7, a refined new solution conveying pipe 8, a centrifugal device 10, a first feeding valve 12, a second feeding valve 13, the front distillation tank 1 is fixedly connected with the front distillation cut-off valve 5, the front distillation cut-off valve 5 is fixedly connected with the condenser 3, the main distillation tank 2 is fixedly connected with the main distillation cut-off valve 6, the main distillation cut-off valve 6 is connected with the condenser 3, the to-be-refined material conveying pipe 7 is fixedly connected with the refining reaction kettle 4 through the first feeding valve 12, the refined new solution conveying pipe 8 is fixedly connected with the refining reaction kettle 4 through the second feeding valve 13, the refining reaction kettle 4 is fixedly connected with a discharge valve 9, the discharge valve 9 is connected with the centrifugal device 10 through a pipeline, the centrifugal device 10 is fixedly connected with a first discharge valve 11, the refining reaction kettle 4 is fixedly connected with a second discharge valve 14, the refining reaction kettle 4 is connected with the condenser 3 through the second discharge valve 14, the front distillation tank 1 and the main distillation tank 2 are both provided with a liquid level meter 15 and a discharge valve 16, the refining reaction kettle 4 is provided with a temperature sensor 17 and a pressure gauge 18, and the refining reaction kettle 4 is provided with a reaction kettle liquid level meter 19.

[0022] Preferably, the front distillation tank 1 and the main distillation tank 2 are arranged at the bottom of the condenser 3, and the condensate produced by the condenser 3 can be collected in the front distillation tank 1 or the main distillation tank 2.

[0023] Preferably, the centrifugal device 10 is arranged at the bottom of the refining reaction kettle 4, and the discharge valve 9 of the refining reaction kettle 4 can be opened to convey the material to the centrifugal device 10 for centrifugal processing.

[0024] Preferably, the condenser 3 is connected to a T-shaped pipe, and is connected to the front distillation shut-off valve 5 and the main distillation shut-off valve 6 through the T-shaped pipe. When the front distillation shut-off valve 5 is opened, the condensate can be discharged to the front distillation tank 1, and when the main distillation shut-off valve 6 is opened, the condensate can be discharged to the main distillation tank 2.

[0025] The specific working principle and usage method of this utility model are as follows: Opening the first feeding valve 12 allows the material to be refined to be fed into the refining reactor 4 through the material feeding pipe 7. Opening the second feeding valve 13 allows the new refining solution to be fed into the refining reactor 4 through the new refining solution feeding pipe 8. Starting the refining reactor 4, according to the different boiling points of the two solvents, the lower boiling point solvent can be distilled out from the refining reactor 4. The distilled solvent can be transferred to the condenser 3 for condensation. Opening the front distillation shut-off valve 5 allows the condensate to be transferred to the front distillation tank 1 for storage. Opening the main distillation shut-off valve 6 allows the condensate to be transferred to the main distillation tank 2 for storage. The front distillation tank 1 and the main distillation tank 2 can be used for condensate collection in a cycle. The level of the front distillation tank 15 can be observed. The condensate collected in the distillation tank 1 and the main distillation tank 2 can be closed after the corresponding front distillation shut-off valve 5 or main distillation shut-off valve 6 is closed, connecting to another tank for condensate collection. The bottom discharge valve 16 of the other tank can then be opened to discharge the collected condensate. According to the refining requirements, after confirming the amount of new solvent removed, cooling and crystallization are carried out. The discharge valve 9 is opened to separate the solid and liquid materials to achieve the refining process. The temperature of the refining reactor 4 can be monitored by the temperature sensor 17, the pressure gauge 18 can be monitored by the pressure, and the reactor level gauge 19 can be monitored by the liquid level of the material in the refining reactor 4. This switching device changes the solvent in a closed manner based on the different boiling points, which is both environmentally friendly and safe and energy-saving.

[0026] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A switching device for changing solvents in refined materials, comprising a fore-distillation tank (1), a main distillation tank (2), a condenser (3), a refining reactor (4), a fore-distillation shut-off valve (5), a main distillation shut-off valve (6), a feed pipe for the material to be refined (7), a feed pipe for the new refined solution (8), a centrifuge (10), a first feed valve (12), and a second feed valve (13), characterized in that: The fore-distillation tank (1) is fixedly connected to a fore-distillation shut-off valve (5), which is fixedly connected to a condenser (3). The main distillation tank (2) is fixedly connected to a main distillation shut-off valve (6), which is connected to a condenser (3). The feed pipe (7) for the material to be refined is fixedly connected to the refining reactor (4) via a first feed valve (12). The feed pipe (8) for the new refined solution is fixedly connected to the refining reactor (4) via a second feed valve (13). The refining reactor (4) is fixedly connected to a discharge valve (9). 9) The centrifuge (10) is connected to the centrifuge (10) through a pipeline. The centrifuge (10) is fixedly connected to a discharge valve (11). The refining reactor (4) is fixedly connected to a discharge valve (14). The refining reactor (4) is connected to the condenser (3) through the discharge valve (14). The fore-distillation tank (1) and the main distillation tank (2) are both equipped with a level gauge (15) and a discharge valve (16). The refining reactor (4) is equipped with a temperature sensor (17) and a pressure gauge (18). The refining reactor (4) is equipped with a reactor level gauge (19).

2. The switching device for changing solvent in refined materials according to claim 1, characterized in that, The fore-run tank (1) and the main run tank (2) are placed at the bottom of the condenser (3).

3. The switching device for changing solvent in refined materials according to claim 1, characterized in that, The centrifuge (10) is placed at the bottom of the refining reactor (4).

4. The switching device for changing solvent in refined materials according to claim 1, characterized in that, The condenser (3) is connected to a T-shaped pipe and is connected to the front distillation shut-off valve (5) and the main distillation shut-off valve (6) through the T-shaped pipe.

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