Anti-blocking structure for carbon dioxide rectification column

Abstract

The utility model discloses a kind of anti-blocking structures for carbon dioxide rectifying column, it is related to rectifying column technical field, including bottom plate and rectifying column body, the liquid inlet end of rectifying column body is connected with U type liquid inlet pipe, U type frame is installed in the one side of rectifying column body in bottom plate upper end, the upper end of U type frame is connected with filter box, one end of filter box is connected with conical feed hopper, the top end one side of filter box is installed with three-way electromagnetic valve, one end of three-way electromagnetic valve is connected with the one end of U type liquid inlet pipe, high-pressure air pipe is connected in the upper end of three-way electromagnetic valve, the inner wall of rectifying column body is fixed with filter screen.The utility model in, the liquid that enters the filter screen in filter box can be filtered to rectifying column body, effectively intercept the impurity in liquid, avoid the impurity into tower to cause blockage, clean when combining high-pressure air backflush filter screen and scraper rod bristle to remove impurity, can thoroughly remove the impurity adhered on filter screen, guarantee filter screen sustained efficient filtration.

Description

Technical Field

[0001] This utility model relates to the field of distillation column technology, and in particular to an anti-clogging structure for a carbon dioxide distillation column. Background Technology

[0002] A distillation column is a tower-type gas-liquid contact device used for distillation. It utilizes the property that the components in a mixture have different volatility, i.e., different vapor pressures at the same temperature, to transfer lighter components (low-boiling substances) from the liquid phase to the gas phase, while heavier components (high-boiling substances) from the gas phase transfer to the liquid phase, thus achieving separation.

[0003] Existing distillation columns require the addition of gas and liquid for reaction. The added liquid may contain a large number of impurities. During distillation, these impurities are transported into the distillation column. To prevent impurities from entering the column, filters are currently used to filter them. Although the filters are equipped with cleaning scrapers to clean them, impurities can easily pass through the filters during the cleaning process. When liquid is added again, the impurities will still enter the distillation column. Therefore, an anti-clogging structure for carbon dioxide distillation columns is provided. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an anti-clogging structure for carbon dioxide distillation columns. The liquid entering the distillation column body can be filtered through the filter screen in the filter box, effectively intercepting impurities in the liquid and preventing impurities from entering the column and causing blockage. During cleaning, the filter screen is backwashed with high-pressure air and impurities are scraped off with a scraper brush, which can thoroughly remove impurities attached to the filter screen, ensuring continuous and efficient filtration and overcoming the shortcomings of existing technologies.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An anti-clogging structure for a carbon dioxide distillation column includes a base plate and a distillation column body. A U-shaped inlet pipe is connected to the liquid inlet end of the distillation column body. A U-shaped frame is installed on the upper part of the base plate and on one side of the distillation column body. A filter box is connected to the upper end of the U-shaped frame. A conical feed hopper is connected to one end of the filter box. A three-way solenoid valve is installed on one side of the top of the filter box. One end of the three-way solenoid valve is connected to one end of the U-shaped inlet pipe. A high-pressure air pipe is connected to the upper end of the three-way solenoid valve. A filter screen is fixed to the inner wall of the distillation column body. A lifting assembly is installed on the top of the filter box and on one side of the filter screen. A scraping assembly is connected to the lifting assembly. A liquid inlet assembly is connected to one end of the conical feed hopper. A control switch is fixed to one side of the base plate.

[0006] As a further improvement of this utility model, one end of the high-pressure air pipe is connected to an air compressor.

[0007] As a further embodiment of this utility model: the lifting assembly includes a U-shaped rod fixed to the top of the filter box, an electric push rod fixed to the middle of the lower end face of the horizontal section of the U-shaped rod, and a movable rod connected to the lower end of the electric push rod.

[0008] As a further embodiment of this utility model: the scraping assembly includes a scraper connected to the lower end of the movable rod, the scraper is located inside the filter box, the scraper has uniform bristles on the side facing the filter screen, and the movable rod is movably inserted into the top of the filter box.

[0009] As a further embodiment of this utility model: the liquid inlet assembly includes a liquid delivery pipe connected to one end of the conical feed hopper, and one end of the liquid delivery pipe is externally connected to the liquid delivery pump body.

[0010] As a further improvement of this utility model: an infusion solenoid valve is installed on the infusion tube, and a drain solenoid valve is installed at the bottom of the filter box and below the scraper.

[0011] The beneficial effects of this utility model are as follows: 1. The filter screen inside the filter box can filter the liquid entering the distillation column, effectively intercepting impurities in the liquid and preventing impurities from entering the column and causing blockages; during cleaning, the filter screen is backwashed with high-pressure air and impurities are scraped off with a scraper brush, which can thoroughly remove impurities attached to the filter screen and ensure continuous and efficient filtration.

[0012] 2. When cleaning, close the liquid inlet and open the drain valve. Impurities will be discharged with the residual liquid through the drain solenoid valve, preventing impurities from passing through the filter screen and re-entering the tower during cleaning. Attached Figure Description

[0013] Figure 1 This is a first-view three-dimensional structural diagram of an anti-clogging structure for a carbon dioxide distillation column proposed in this utility model.

[0014] Figure 2 This is a second-view three-dimensional structural diagram of an anti-clogging structure for a carbon dioxide distillation column proposed in this utility model.

[0015] Figure 3 This is a partial structural diagram of an anti-clogging structure for a carbon dioxide distillation column proposed in this utility model.

[0016] Figure 4 This utility model proposes an anti-clogging structure for a carbon dioxide distillation column. Figure 3 Enlarged structural diagram at point A in the middle.

[0017] In the diagram: 1. Base plate; 2. Distillation column body; 3. U-shaped frame; 4. U-shaped inlet pipe; 5. Filter box; 6. Inlet pipe; 7. U-shaped rod; 8. Electric push rod; 9. High-pressure air pipe; 10. Three-way solenoid valve; 11. Movable rod; 12. Inlet solenoid valve; 13. Conical feed hopper; 14. Scraper; 15. Drain solenoid valve; 16. Filter screen. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Example 1, referring to Figure 1-4 An anti-clogging structure for a carbon dioxide distillation column includes a base plate 1 and a distillation column body 2. A U-shaped inlet pipe 4 is connected to the liquid inlet end of the distillation column body 2. A U-shaped frame 3 is installed on the upper end of the base plate 1 and on one side of the distillation column body 2. A filter box 5 is connected to the upper end of the U-shaped frame 3. A conical feed hopper 13 is bolted to one end of the filter box 5. A three-way solenoid valve 10 is installed on one side of the top of the filter box 5. One end of the three-way solenoid valve 10 is connected to one end of the U-shaped inlet pipe 4. A high-pressure air pipe 9 is connected to the upper end of the three-way solenoid valve 10. One end of the high-pressure air pipe 9 is connected to an air compressor. A filter screen 16 is fixed to the inner wall of the distillation column body 2. A lifting assembly is installed on the top of the filter box 5 and on one side of the filter screen 16. A scraping assembly is connected to the lifting assembly. A liquid inlet assembly is connected to one end of the conical feed hopper 13. A control switch is fixed on one side of the base plate 1. The control switch facilitates the control of the electrical components.

[0020] The lifting assembly includes a U-shaped rod 7 fixed to the top of the filter box 5. An electric push rod 8 is fixed to the middle of the lower end face of the horizontal section of the U-shaped rod 7. A movable rod 11 is connected to the lower end of the electric push rod 8.

[0021] The scraping assembly includes a scraper 14 connected to the lower end of the movable rod 11. The scraper 14 is located inside the filter box 5. The scraper 14 has uniform bristles on the side facing the filter screen 16. The movable rod 11 is movably inserted into the top of the filter box 5.

[0022] The liquid inlet assembly includes a liquid delivery pipe 6 connected to one end of the conical feed hopper 13, and one end of the liquid delivery pipe 6 is externally connected to the liquid delivery pump body.

[0023] An infusion solenoid valve 12 is installed on the infusion tube 6, and a drain solenoid valve 15 is installed at the bottom of the filter box 5 and below the scraper 14.

[0024] Working principle: When adding liquid to the distillation column body 2, the three-way solenoid valve 10 keeps the U-shaped inlet pipe 4 and the filter box 5 connected, and ensures that the liquid delivery solenoid valve 12 is open and the drain solenoid valve 15 is closed. The liquid is pumped by the external liquid delivery pump body, and the liquid enters the filter box 5 and is filtered by the filter screen 16 to prevent impurities in the liquid from entering the distillation column body 2. When the filter screen 16 needs to be cleaned, close the infusion solenoid valve 12, open the drain solenoid valve 15, and switch the three-way solenoid valve 10 to the state where the high-pressure air pipe 9 is connected to the filter box 5. High-pressure air enters the filter box 5 to backflush the filter screen 16. At the same time, control the electric push rod 8 to extend and retract, driving the scraper rod 14 to move up and down. Use the bristles on the scraper rod 14 to scrape off the impurities attached to the filter screen 16. The high-pressure airflow blows the filter screen 16. When the scraper rod 14 scrapes up and down, it effectively prevents impurities from passing through the filter screen 16. Finally, the impurities are discharged from the drain solenoid valve 15 along with the residual liquid.

[0025] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. An anti-clogging structure for a carbon dioxide distillation column, comprising a bottom plate (1) and a distillation column body (2), characterized in that, The liquid inlet end of the distillation column body (2) is connected to a U-shaped liquid inlet pipe (4). A U-shaped frame (3) is installed on the upper end of the bottom plate (1) and on one side of the distillation column body (2). A filter box (5) is connected to the upper end of the U-shaped frame (3). A conical feed hopper (13) is connected to one end of the filter box (5). A three-way solenoid valve (10) is installed on one side of the top of the filter box (5). One end of the three-way solenoid valve (10) is connected to one end of the U-shaped liquid inlet pipe (4). A high-pressure air pipe (9) is connected to the upper end of the three-way solenoid valve (10). A filter screen (16) is fixed on the inner wall of the distillation column body (2). A lifting assembly is installed on the top of the filter box (5) and on one side of the filter screen (16). A scraping assembly is connected to the lifting assembly. A liquid inlet assembly is connected to one end of the conical feed hopper (13). A control switch is fixed on one side of the bottom plate (1).

2. The anti-clogging structure for a carbon dioxide distillation column according to claim 1, characterized in that, One end of the high-pressure air pipe (9) is connected to an air compressor.

3. The anti-clogging structure for a carbon dioxide distillation column according to claim 1, characterized in that, The lifting assembly includes a U-shaped rod (7) fixed to the top of the filter box (5), an electric push rod (8) fixed to the middle of the lower end face of the horizontal section of the U-shaped rod (7), and a movable rod (11) connected to the lower end of the electric push rod (8).

4. The anti-clogging structure for a carbon dioxide distillation column according to claim 1, characterized in that, The scraping assembly includes a scraper (14) connected to the lower end of the movable rod (11). The scraper (14) is located inside the filter box (5). The scraper (14) has uniform bristles on the side facing the filter screen (16). The movable rod (11) is movably inserted into the top of the filter box (5).

5. The anti-clogging structure for a carbon dioxide distillation column according to claim 4, characterized in that, The liquid inlet assembly includes a liquid inlet pipe (6) connected to one end of a conical feed hopper (13), and one end of the liquid inlet pipe (6) is connected to a liquid inlet pump body.

6. The anti-clogging structure for a carbon dioxide distillation column according to claim 5, characterized in that, An infusion solenoid valve (12) is installed on the infusion tube (6), and a drain solenoid valve (15) is installed at the bottom of the filter box (5) and below the scraper (14).

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