Gas-liquid separation device for rectification

Abstract

The gas-liquid separation device comprises a separation bin and a refrigeration mechanism, one part of the refrigeration mechanism is located in the separation bin, the other part of the refrigeration mechanism is arranged in the middle of the outer side face of the separation bin, a liquid inlet pipe is arranged at the top of the separation bin, and an exhaust port is formed in the upper end of the side face, away from the liquid inlet pipe, of the separation bin. According to the gas-liquid separation device disclosed by the utility model, a plurality of groups of refrigeration plates are arranged, so that the contact area with a mixture is greatly increased, the gas-liquid separation efficiency is further improved, and cold air in the refrigeration plates is controlled to circularly flow through the refrigeration bin, so that the gas-liquid separation efficiency is improved. The refrigeration plate is always kept in a low-temperature state, the gas-liquid separation effect is ensured as much as possible, and the problem that the gas and liquid separation efficiency is low in the background technology is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rectification, and in particular relates to a gas-liquid separation device for rectification. Background Art

[0002] Distillation is an industrial separation technology used to separate mixtures. It utilizes the different volatility of various substances in the mixture. During the distillation process, a condensate containing azeotropic gases and liquids is produced, which requires a gas-liquid separator to separate them.

[0003] The gas-liquid separator in the prior art includes stacked heat sinks and an airflow guide box. The stacked heat sinks are arranged on the surface of the airflow guide box. The existing gas-liquid separator has the problems of being large in size and inconvenient to carry, and the water vapor content in the separated sample is high, resulting in low efficiency of the existing gas-liquid separator. Therefore, a gas-liquid separation device for distillation is proposed. Utility Model Content

[0004] The purpose of the utility model is to overcome the problem of low gas and liquid separation efficiency in the prior art and to provide a gas-liquid separation device for distillation that greatly increases the contact area with the mixture by setting multiple groups of refrigeration plates to achieve gas-liquid separation.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a gas-liquid separation device for distillation, including a separation chamber and a refrigeration mechanism, wherein a part of the refrigeration mechanism is located in the separation chamber, and the other part of the refrigeration mechanism is arranged in the middle of the outer side surface of the separation chamber. A liquid inlet pipe is provided at the top of the separation chamber, and an exhaust port is provided at the upper end of the side of the separation chamber away from the liquid inlet pipe. A drain pipe is connected to the bottom of the separation chamber, and the liquid inlet pipe, drain pipe and exhaust port are all connected to the separation chamber.

[0006] Preferably, the refrigeration mechanism includes an upper connecting pipe, a fixing part, a refrigeration bin, a lower connecting pipe, an upper diverter bin, a refrigeration plate and a lower diverter bin, the fixing part is symmetrically arranged in the middle of the side of the separation bin, the cross-section of the fixing part is an L-shaped structure, the refrigeration bin is fixed between the fixing parts, and the fixing part is fixed at the corner of the refrigeration bin, one end of the upper connecting pipe is connected to the top of the refrigeration bin, and the other end of the upper connecting pipe is arranged through the upper wall of the separation bin, one end of the lower connecting pipe is connected to the bottom of the refrigeration bin, and the other end of the lower connecting pipe is arranged through the lower wall of the separation bin, the upper diverter bin is arranged at the upper end of the separation bin and connected to the bottom of the upper connecting pipe, the lower diverter bin is arranged at the lower end of the separation bin and connected to the lower connecting pipe, the refrigeration plates are evenly distributed between the upper diverter bin and the lower diverter bin, and a cavity is provided in the refrigeration plate, and the cavity is connected to the upper diverter bin and the lower diverter bin.

[0007] Preferably, the refrigeration warehouse includes a first gear, a rotating motor, fan blades, a warehouse body, a fixed plate, a semiconductor refrigeration component, a rotating rod, a second gear and a limit plate. The warehouse body is arranged between the fixed parts, and the upper and lower walls of the warehouse body are respectively connected to the upper connecting tube and the lower connecting tube. The fixed plate is symmetrically arranged on the bottom surface of the inner wall of the warehouse body, and the fixed plate is arranged on both sides of the lower connecting tube. The semiconductor refrigeration component is arranged through the fixed plate. The limit plates are symmetrically arranged on the upper end of the inner wall of the warehouse body and on both sides of the upper connecting tube. The side of the limit plate is fixedly connected to the fixed plate. The fixed plate and the limit plate form a vertically arranged cavity structure. The rotating rod is rotatably arranged between the limit plates. The fan blades are fixedly sleeved on the rotating rod. The rotating motor is arranged on the side of the inner wall of the warehouse body. The first gear is fixedly connected to the rotating motor. The second gear is fixedly sleeved on the rotating rod and meshed with the first gear.

[0008] Preferably, the edges of the connection surfaces between the upper diversion bin and the refrigeration plate are evenly distributed with arc-shaped chamfered structures. The arc-shaped chamfers facilitate the upward floating of gas and prevent the upper diversion bin from blocking the upward floating of airflow. The arc-shaped chamfered structures and the refrigeration plate are staggered.

[0009] Preferably, there are gaps between the upper diversion chamber, the lower diversion chamber, the refrigeration plate and the inner wall of the separation chamber.

[0010] Preferably, cooling rods are evenly distributed on the side of the semiconductor refrigeration element, and the cooling rods on both sides are staggered.

[0011] Preferably, the lower connecting tube, the upper connecting tube and the fan blades are coaxially arranged.

[0012] The beneficial effects of the utility model are:

[0013] The utility model greatly increases the contact area with the mixture by setting up multiple groups of refrigeration plates, thereby improving the efficiency of gas-liquid separation, and controls the circulation of cold air in the refrigeration plates through the refrigeration chamber to ensure that the refrigeration plates always maintain a low temperature state, thereby ensuring the gas-liquid separation effect as much as possible, and solving the problem of low gas and liquid separation efficiency raised in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the gas-liquid separation device for distillation of the present utility model.

[0015] Figure 2 It is a structural schematic diagram of the gas-liquid separation device for distillation of the utility model from another perspective.

[0016] Figure 3 It is a schematic diagram of the internal structure of the gas-liquid separation device for distillation of the present utility model.

[0017] Figure 4 yes Figure 2Diagram of the internal structure of the cold storage room.

[0018] In the figure: 1. separation chamber; 2. refrigeration mechanism; 3. liquid inlet pipe; 4. exhaust port; 5. discharge pipe; 6. upper connecting pipe; 7. fixing part; 8. refrigeration chamber; 9. lower connecting pipe; 10. upper diversion chamber; 11. refrigeration plate; 12. lower diversion chamber; 13. first gear; 14. rotating motor; 15. fan blade; 16. chamber body; 17. fixing plate; 18. semiconductor refrigeration element; 19. rotating rod; 20. second gear; 21. limit plate; 22. cooling rod. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-4 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, specific orientation structure and operation, and therefore cannot be understood as a limitation on the present invention.

[0021] The present embodiment provides a gas-liquid separation device for distillation, including a separation chamber 1 and a refrigeration mechanism 2, wherein a portion of the refrigeration mechanism 2 is located inside the separation chamber 1, and the other portion of the refrigeration mechanism 2 is located in the middle of the outer side surface of the separation chamber 1. A liquid inlet pipe 3 is provided at the top of the separation chamber 1, and an exhaust port 4 is provided at the upper end of the side surface of the separation chamber 1 away from the liquid inlet pipe 3. A discharge pipe 5 is connected to the bottom of the separation chamber 1, and the liquid inlet pipe 3, the discharge pipe 5 and the exhaust port 4 are all connected to the separation chamber 1.

[0022] In one embodiment, specifically, the refrigeration mechanism 2 includes an upper connecting pipe 6, a fixing member 7, a refrigeration bin 8, a lower connecting pipe 9, an upper diversion bin 10, a refrigeration plate 11 and a lower diversion bin 12. The fixing member 7 is symmetrically arranged in the middle of the side of the separation bin 1. The cross-section of the fixing member 7 is an L-shaped structure. The refrigeration bin 8 is fixed between the fixing members 7. The fixing member 7 is fixed at the corner of the refrigeration bin 8. One end of the upper connecting pipe 6 is connected to the top of the refrigeration bin 8, and the other end of the upper connecting pipe 6 passes through the upper wall of the separation bin 1. One end of the lower connecting pipe 9 is connected to the bottom of the refrigeration bin 8. The lower connecting pipe 9 is connected to the bottom of the refrigeration bin 8. The other end of the connecting pipe 9 is arranged through the lower wall of the separation bin 1, and the upper diversion bin 10 is arranged at the upper end of the separation bin 1 and is connected to the bottom of the upper connecting pipe 6. The edges of the connecting surfaces of the upper diversion bin 10 and the refrigeration plate 11 are evenly distributed with arc chamfered structures. The arc chamfered structures and the refrigeration plates 11 are staggered. The lower diversion bin 12 is arranged at the lower end of the separation bin 1 and is connected to the lower connecting pipe 9. The refrigeration plates 11 are evenly distributed between the upper diversion bin 10 and the lower diversion bin 12. A cavity is provided in the refrigeration plate 11, and the cavity is connected to the upper diversion bin 10 and the lower diversion bin 12.

[0023] In one embodiment, specifically, the refrigeration bin 8 includes a first gear 13, a rotating motor 14, a fan blade 15, a bin body 16, a fixed plate 17, a semiconductor refrigeration component 18, a rotating rod 19, a second gear 20 and a limit plate 21. The bin body 16 is arranged between the fixed parts 7. The upper wall and the lower wall of the bin body 16 are respectively connected to the upper connecting pipe 6 and the lower connecting pipe 9. The fixed plate 17 is symmetrically arranged on the bottom surface of the inner wall of the bin body 16. The fixed plate 17 is arranged on both sides of the lower connecting pipe 9. The semiconductor refrigeration component 18 runs through the fixed plate 17. The limit plates 21 are symmetrically arranged on the upper end of the inner wall of the bin body 16 and on both sides of the upper connecting pipe 6. The limit plates The side of 21 is fixedly connected to the fixed plate 17, and the fixed plate 17 and the limit plate 21 form a vertically arranged cavity structure. The rotating rod 19 is rotatably arranged between the limit plates 21. The fan blade 15 is fixedly sleeved on the rotating rod 19. The rotating motor 14 is arranged on the side of the inner wall of the warehouse body 16. The first gear 13 is fixedly connected to the rotating motor 14. The second gear 20 is fixedly sleeved on the rotating rod 19 and meshed with the first gear 13. The lower connecting tube 9, the upper connecting tube 6 and the fan blade 15 are coaxially arranged. Cooling rods 22 are evenly distributed on the side of the semiconductor refrigeration component 18, and the cooling rods 22 on both sides are staggered.

[0024] In one embodiment, specifically, there are gaps between the upper diversion chamber 10 , the lower diversion chamber 12 , the refrigeration plate 11 and the inner wall of the separation chamber 1 , ensuring that the mixture flows freely in the separation chamber 1 .

[0025] The working process of the gas-liquid separation device for distillation in this embodiment is as follows: the mixture enters the separation bin 1 through the liquid inlet pipe 3, the mixture contacts the low-temperature refrigeration plate 11, the temperature of the mixture drops, the water vapor content therein is greatly reduced, the gas floats up and is discharged through the exhaust port 4, and the remaining liquid is discharged through the discharge pipe 5, completing the gas-liquid separation, and at the same time starting the rotating motor 14, the rotating motor 14 drives the first gear 13 to rotate, the first gear 13 drives the rotating rod 19 and the fan blades 15 to rotate through the second gear 20, and the fan blades 15 drive the air to flow up and down, thereby controlling the air to enter the upper separation bin 1 through the upper connecting pipe 6, and then return to the bin body 16 through the refrigeration plate 11, the lower separation bin 1 and the lower connecting pipe 9, after which the air contacts the cooling rod 22 and the side of the semiconductor refrigeration element 18, the air temperature drops, and is returned to the refrigeration plate 11 through the action of the fan blades 15, realizing air circulation, ensuring that the refrigeration plate 11 always maintains a low temperature state.

[0026] The above content is merely an example and explanation of the structure of the present utility model. Technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the scope of protection of the present utility model.

Claims

1. A gas-liquid separation device for distillation, characterized in that: The invention comprises a separation chamber (1) and a refrigeration mechanism (2), wherein a part of the refrigeration mechanism (2) is located in the separation chamber (1), and another part of the refrigeration mechanism (2) is arranged in the middle of the outer side surface of the separation chamber (1); a liquid inlet pipe (3) is arranged at the top of the separation chamber (1); an exhaust port (4) is arranged at the upper end of the side surface of the separation chamber (1) away from the liquid inlet pipe (3); a liquid discharge pipe (5) is connected to the bottom of the separation chamber (1); and the liquid inlet pipe (3), the liquid discharge pipe (5) and the exhaust port (4) are all connected to the separation chamber (1); The refrigeration mechanism (2) comprises an upper connecting pipe (6), a fixing member (7), a refrigeration bin (8), a lower connecting pipe (9), an upper diversion bin (10), a refrigeration plate (11) and a lower diversion bin (12); the fixing member (7) is symmetrically arranged in the middle of the side of the separation bin (1); the cross section of the fixing member (7) is an L-shaped structure; the refrigeration bin (8) is fixedly arranged between the fixing members (7); the fixing member (7) is fixedly arranged at the corner of the refrigeration bin (8); one end of the upper connecting pipe (6) is connected to the top of the refrigeration bin (8); the other end of the upper connecting pipe (6) passes through the upper portion of the separation bin (1); The refrigeration plate (11) is evenly distributed between the upper and lower shunt bins (10 and 12), and a cavity is provided in the refrigeration plate (11), and the cavity is connected to the upper and lower shunt bins (10 and 12).

2. The gas-liquid separation device for distillation according to claim 1, characterized in that: The refrigeration bin (8) comprises a first gear (13), a rotating motor (14), a fan blade (15), a bin body (16), a fixing plate (17), a semiconductor refrigeration element (18), a rotating rod (19), a second gear (20) and a stop plate (21); the bin body (16) is arranged between the fixing elements (7); the upper wall and the lower wall of the bin body (16) are respectively connected to the upper connecting tube (6) and the lower connecting tube (9); the fixing plate (17) is symmetrically arranged on the bottom surface of the inner wall of the bin body (16); the fixing plate (17) is arranged on both sides of the lower connecting tube (9); the semiconductor refrigeration element (18) is arranged through the fixing plate (17); the stop plate (21) is arranged on the inner wall of the bin body (16); 1) are symmetrically arranged at the upper end of the inner wall of the warehouse body (16) and at both sides of the upper connecting tube (6); the side of the limit plate (21) is fixedly connected to the fixed plate (17); the fixed plate (17) and the limit plate (21) form a vertically arranged cavity structure; the rotating rod (19) is rotatably arranged between the limit plates (21); the fan blade (15) is fixedly sleeved on the rotating rod (19); the rotating motor (14) is arranged on the side of the inner wall of the warehouse body (16); the first gear (13) is fixedly connected to the rotating motor (14); the second gear (20) is fixedly sleeved on the rotating rod (19) and meshingly connected to the first gear (13).

3. The gas-liquid separation device for distillation according to claim 1, characterized in that: Arc chamfer structures are evenly distributed on the edges of the connection surfaces between the upper flow distribution chamber (10) and the refrigeration plate (11), and the arc chamfer structures and the refrigeration plate (11) are arranged alternately.

4. The gas-liquid separation device for distillation according to claim 1, characterized in that: There are gaps between the upper diversion chamber (10), the lower diversion chamber (12), the refrigeration plate (11) and the inner wall of the separation chamber (1).

5. The gas-liquid separation device for distillation according to claim 2, characterized in that: Cooling rods (22) are evenly distributed on the side of the semiconductor refrigeration element (18), and the cooling rods (22) on both sides are arranged in a staggered manner.

6. The gas-liquid separation device for distillation according to claim 5, characterized in that: The lower connecting pipe (9), the upper connecting pipe (6) and the fan blade (15) are coaxially arranged.

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