Air rectification multilayer separation device
By designing a multi-layer separation device for air distillation, the wire mesh corrugated filler layer in the multi-layer distillation tower is solved by using air compression, condensation and the problem of cross-contamination of gas components in the existing air separation device, and an efficient gas separation effect is achieved.
Patent Information
- Application Number
- CN202420910489.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The existing air separation devices are prone to cross-contamination of gas components during the separation process, resulting in a reduced separation efficiency and the inability to efficiently separate certain gas components.
A multi-layer separation device for air distillation is designed, including an air pretreatment and a multi-layer distillation tower. The heat transfer efficiency is improved through air compression, condensation and the wire mesh corrugated filler layer in the multi-layer distillation tower, and combined with an automatic check valve and temperature sensor, the efficient separation of gas components is achieved.
It effectively avoids cross-contamination of gas components, improves separation efficiency, achieves efficient separation of certain gas components, and reduces the volume and cost of the equipment.
Smart Images

Figure CN222623676U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of air rectification, in particular to an air rectification multi-layer separation device. Background Art
[0002] Air distillation is a separation technology mainly used to separate and purify components in the air, especially oxygen and nitrogen. It separates different components in the air according to their boiling points by lowering the temperature and increasing the pressure. This method can obtain high-purity oxygen and nitrogen, which are widely used in medical, chemical, metallurgical, electronic and other industries. For example, oxygen can be used for medical first aid and respiratory support, while nitrogen is often used as a protective gas in food packaging and the electronics industry.
[0003] With the development of industry, the requirements for air separation technology are getting higher and higher. The separation methods commonly used in current air separation devices include pressure swing adsorption, membrane separation, etc. However, cross-contamination of gas components is prone to occur during the separation process, resulting in reduced separation efficiency and inability to achieve efficient separation of certain gas components, which greatly reduces the practicality of the equipment. Therefore, it is necessary to provide an air distillation multilayer separation device to solve the above technical problems. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides an air distillation multilayer separation device for solving the problem that the separation methods commonly used in current air separation devices include pressure swing adsorption, membrane separation, etc., but cross-contamination of gas components is prone to occur during the separation process, resulting in reduced separation efficiency and inability to achieve efficient separation of certain gas components.
[0005] The utility model provides an air distillation multilayer separation device, comprising an air preprocessor and a multilayer distillation tower, wherein the bottom surface of the air preprocessor is fixedly connected with a mounting seat, the right side surface of the air preprocessor is fixedly connected with a drainage pipe, the back side of the air preprocessor is fixedly connected with an air compressor, the bottom surface of the air compressor is fixedly connected with a group of high-pressure pipes, the air compressor is connected with the air preprocessor through the high-pressure pipe, the upper surface of the air preprocessor is fixedly connected with a condenser, the upper surface of the condenser is fixedly connected with a condensing pipe, one end of the condensing pipe away from the condenser is connected with the multilayer distillation tower, the upper surface of the multilayer distillation tower is fixedly connected with a filling port, the inner wall of the multilayer distillation tower is fixedly connected with a reboiler, the bottom surface of the multilayer distillation tower is fixedly connected with an output pipe, one end of the output pipe is connected with the reboiler, the inner wall of the multilayer distillation tower is fixedly connected with a group of wire mesh corrugated packing layers, the left side of the multilayer distillation tower is fixedly connected with three air guide pipes, and the upper surface of each of the air guide pipes is fixedly connected with an automatic on-off valve.
[0006] Preferably, two supporting legs are fixedly connected to the bottom surface of the mounting seat, and a fixing pin is threadedly connected to the upper surface of each supporting leg. Four supporting columns are fixedly connected to the bottom surface of the multi-layer distillation tower, and a supporting foot is fixedly connected to the bottom surface of each supporting column, and anti-slip grooves are provided on the bottom surface of each supporting foot.
[0007] Preferably, a temperature sensor is fixedly connected to the bottom surface of each wire mesh corrugated packing layer.
[0008] Preferably, one end of the three air guide pipes away from the multi-layer distillation tower is commonly fixedly connected to a temporary storage box.
[0009] Preferably, a touch panel is fixedly connected to the front of the temporary storage box, a parameter plate is provided on the back of the temporary storage box, and the front of the parameter plate is fixedly connected to the back of the temporary storage box.
[0010] Preferably, one end of the drainage tube away from the air pre-processor is fixedly connected with a connecting sleeve.
[0011] Compared with the related art, the air distillation multilayer separation device provided by the utility model has the following beneficial effects:
[0012] The utility model can connect the air to be treated with the air preprocessor through the connecting sleeve and the drainage pipe, and then use the air compressor to compress the air to the required pressure, and then open the air preprocessor to preprocess the compressed air, remove moisture, oil and impurities in the air, improve the air quality, and reduce the humidity of the air after the compressed air enters the condenser for condensation, thereby reducing the energy consumption of the subsequent treatment process, and enters the multi-layer distillation tower through the condenser. During distillation, the rising steam in the multi-layer distillation tower contacts with the downward flowing liquid. At the same time, the wire mesh corrugated packing layer can improve the heat transfer efficiency, thereby reducing the volume and cost of the distillation tower, and multiple temperature sensors can be used to detect the temperature of different gas groups. After meeting the standard, the automatic on-off valve is automatically started to pass through the air guide pipe and the temporary storage box to store the gases separately, which is convenient for subsequent treatment or transportation. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the air rectification multilayer separation device of the utility model;
[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model air rectification multi-layer separation device from a rear perspective;
[0015] Figure 3 It is a front cross-sectional view of a multi-layer distillation tower in the air distillation multi-layer separation device of the utility model;
[0016] Figure 4 It is a side sectional view of a multi-layer distillation tower in the air distillation multi-layer separation device of the utility model.
[0017] Numbers in the figure: 1. Mounting base; 2. Air pre-treatment device; 3. Support leg; 4. Drainage pipe; 5. Connecting sleeve; 6. Condenser; 7. Condenser pipe; 8. High-pressure pipe; 9. Air compressor; 10. Multi-layer distillation tower; 11. Support column; 12. Support foot; 13. Output pipe; 14. Air guide pipe; 15. Automatic on-off valve; 16. Temporary storage box; 17. Touch panel; 18. Filling port; 19. Parameter plate; 20. Wire mesh corrugated packing layer; 21. Reboiler; 22. Temperature sensor. DETAILED DESCRIPTION
[0018] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0019] Please refer to Figure 1-4 An air distillation multilayer separation device comprises: an air preprocessor 2 and a multilayer distillation tower 10, the bottom surface of the air preprocessor 2 is fixedly connected with a mounting seat 1, the right side of the air preprocessor 2 is fixedly connected with a drainage pipe 4, the back of the air preprocessor 2 is fixedly connected with an air compressor 9, the bottom surface of the air compressor 9 is fixedly connected with a group of high-pressure pipes 8, the air compressor 9 is connected with the air preprocessor 2 through the high-pressure pipes 8, the upper surface of the air preprocessor 2 is fixedly connected with a condenser 6, the upper surface of the condenser 6 is fixedly connected with a condensation pipe 7, and the cooling One end of the condenser tube 7 away from the condenser 6 is connected to the multi-layer distillation tower 10, the upper surface of the multi-layer distillation tower 10 is fixedly connected with a filling port 18, the inner wall of the multi-layer distillation tower 10 is fixedly connected with a reboiler 21, the bottom surface of the multi-layer distillation tower 10 is fixedly connected with an output pipe 13, one end of the output pipe 13 is connected to the reboiler 21, the inner wall of the multi-layer distillation tower 10 is fixedly connected with a group of wire mesh corrugated packing layers 20, the left side of the multi-layer distillation tower 10 is fixedly connected with three air guide pipes 14, and the upper surface of each air guide pipe 14 is fixedly connected with an automatic on-off valve 15.
[0020] During the specific implementation process, two supporting legs 3 are fixedly connected to the bottom surface of the mounting base 1, and a fixing pin is threadedly connected to the upper surface of each supporting leg 3. Four supporting columns 11 are fixedly connected to the bottom surface of the multi-layer distillation tower 10, and a supporting foot 12 is fixedly connected to the bottom surface of each supporting column 11. The bottom surface of each supporting foot 12 is provided with anti-slip grooves. The stability of the device can be improved by arranging the supporting columns 11 and the supporting feet 12. The bottom surface of each wire mesh corrugated packing layer 20 is fixedly connected to a temperature sensor 22. The temperature sensor 22 can be used to accurately detect the treated air. The three air ducts 14 are fixedly connected to a temporary storage box 16 at one end away from the multi-layer distillation tower 10. The treated air can be stored by the temporary storage box 16.
[0021] During the specific implementation process, a touch panel 17 is fixedly connected to the front of the temporary storage box 16, and a parameter plate 19 is provided on the back of the temporary storage box 16. The front of the parameter plate 19 is fixedly connected to the back of the temporary storage box 16. Through the set touch panel 17, it is convenient for staff to operate the device. The end of the drainage tube 4 away from the air pre-processor 2 is fixedly connected to the connecting sleeve 5. Through the set connecting sleeve 5, it is convenient for staff to quickly connect the air to be processed with the air pre-processor 2.
[0022] The working principle of an air distillation multilayer separation device provided by the utility model is as follows: when in use, first move the device to the use site for installation and connect it to the power supply, then use the transmission duct to connect the air to be processed with the drainage pipe 4 through the connecting sleeve 5, then start the air compressor 9, compress the air to the required pressure, turn on the air preprocessor 2 to pre-process the compressed air, the compressed air enters the condenser 6 for condensation, and then enters the multilayer distillation tower 10 through the condenser 7, then start the reboiler 21 to start the distillation process, in the multilayer distillation tower 10, the rising steam contacts the downward flowing liquid, and at the same time, the wire mesh corrugated packing layer 20 is used to improve the heat transfer efficiency, and multiple temperature sensors 22 are used to detect the temperature of different gas groups during the distillation process. After meeting the standards, the automatic on-off valve 15 is started to pass through the air guide pipe 14 and are stored separately through the temporary storage box 16.
[0023] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0024] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. An air distillation multilayer separation device, characterized in that: include: An air preprocessor (2) and a multi-layer distillation tower (10), wherein the bottom surface of the air preprocessor (2) is fixedly connected to a mounting seat (1), the right side surface of the air preprocessor (2) is fixedly connected to a drainage pipe (4), the back surface of the air preprocessor (2) is fixedly connected to an air compressor (9), the bottom surface of the air compressor (9) is fixedly connected to a group of high-pressure pipes (8), the air compressor (9) is connected to the air preprocessor (2) through the high-pressure pipes (8), the upper surface of the air preprocessor (2) is fixedly connected to a condenser (6), the upper surface of the condenser (6) is fixedly connected to a condensation pipe (7), and the condensation pipe (7) is away from the cold One end of the condenser (6) is connected to the multi-layer distillation tower (10), the upper surface of the multi-layer distillation tower (10) is fixedly connected to a filling port (18), the inner wall of the multi-layer distillation tower (10) is fixedly connected to a reboiler (21), the bottom surface of the multi-layer distillation tower (10) is fixedly connected to an output pipe (13), one end of the output pipe (13) is connected to the reboiler (21), the inner wall of the multi-layer distillation tower (10) is fixedly connected to a group of wire mesh corrugated packing layers (20), and the left side of the multi-layer distillation tower (10) is fixedly connected to three air guide pipes (14), and the upper surface of each of the air guide pipes (14) is fixedly connected to an automatic on-off valve (15).
2. The air distillation multilayer separation device according to claim 1, characterized in that: The bottom surface of the mounting seat (1) is fixedly connected to two supporting legs (3), and the upper surface of each supporting leg (3) is threadedly connected to a fixing pin. The bottom surface of the multi-layer distillation tower (10) is fixedly connected to four supporting columns (11), and the bottom surface of each supporting column (11) is fixedly connected to a supporting foot (12), and the bottom surface of each supporting foot (12) is provided with anti-slip grooves.
3. The air distillation multilayer separation device according to claim 1, characterized in that: The bottom surface of each wire mesh corrugated packing layer (20) is fixedly connected with a temperature sensor (22).
4. The air distillation multilayer separation device according to claim 1, characterized in that: One end of the three gas guide pipes (14) away from the multi-layer distillation tower (10) is commonly fixedly connected to a temporary storage box (16).
5. The air distillation multilayer separation device according to claim 4, characterized in that: A touch panel (17) is fixedly connected to the front of the temporary storage box (16), and a parameter plate (19) is provided on the back of the temporary storage box (16). The front of the parameter plate (19) is fixedly connected to the back of the temporary storage box (16).
6. The air distillation multilayer separation device according to claim 1, characterized in that: One end of the drainage tube (4) away from the air pre-processor (2) is fixedly connected to a connecting sleeve (5).