Rectifying tower with high safety
By introducing vacuum pumps and auxiliary components into the distillation tower, the fire risk caused by air residues in the traditional distillation tower is solved, safety is improved and thermal oil heating is accelerated, achieving a more efficient distillation progress.
Patent Information
- Application Number
- CN202420454811.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-03-11
AI Technical Summary
Traditional distillation towers cannot extract internal air before starting and heating, resulting in air residue. As the temperature rises, the hot air rubs against the inner wall, and there is a risk of fire, reducing the safety of the equipment.
An auxiliary assembly including a vacuum pump, auxiliary bend, fixed pipe and tee pipe is designed to quickly extract air from the distillation column and tank before starting, maintain a vacuum state, and provide a pushing force to thermal oil through the vacuum pump. Perform agitation to ensure consistent temperature.
It effectively avoids the fire risk caused by friction between hot air and the inner wall, improves the overall safety of the equipment, accelerates the heating process of thermally conductive oil, and improves the distillation progress.
Smart Images

Figure CN222286424U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of distillation towers, in particular to a distillation tower with high safety. Background Art
[0002] A distillation tower is a tower-type gas-liquid contact device for distillation. It uses the different volatilities of the components in the mixture, that is, the different vapor pressures of the components at the same temperature, to transfer the light components (low boiling substances) in the liquid phase to the gas phase, and the heavy components (high boiling substances) in the gas phase to the liquid phase, thereby achieving the purpose of separation.
[0003] Before a traditional distillation tower is turned on to heat the liquid material, it is impossible to extract the air inside it to keep it in a vacuum state, resulting in a lot of air inside the distillation tower. As the temperature in the distillation tower continues to rise, the hot air will rub against the inner wall of the distillation column, which is very easy to catch fire. This poses a great safety hazard and greatly reduces the overall safety of the equipment. Utility Model Content
[0004] The purpose of the utility model is to solve the problem in the prior art that the air inside the traditional distillation tower cannot be extracted to keep the inside of the tower in a vacuum state before the traditional distillation tower is started to heat the liquid material, resulting in a lot of air inside the distillation tower. As the temperature in the distillation tower continues to rise, the hot air will rub against the inner wall of the distillation column, which is very easy to catch fire and has poor safety. A distillation tower with high safety is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A highly safe distillation tower comprises a tank body, to which a sealing sleeve filled with heat transfer oil is fixedly connected, a distillation column is arranged on the tank body, and the top of the distillation column passes through the sealing sleeve and extends upward, square boxes are connected on both sides of the front, back and bottom of the sealing sleeve, an electric heating rod is embedded on the side of the square box away from the sealing sleeve and one end of the electric heating rod extends into the sealing sleeve, and brackets are fixedly connected to the two groups of square boxes on the left side, and auxiliary components are arranged on the brackets.
[0007] Preferably, the auxiliary component includes a vacuum pump fixed on the bracket, the air inlet end of the vacuum pump is connected to a fixed pipe, the fixed pipe is connected to an auxiliary bent pipe and one end of the auxiliary bent pipe is connected to a distillation column, the air outlet end of the vacuum pump is connected to a three-way pipe, both ends of the three-way pipe away from the vacuum pump are connected to a sealing cylinder, the left sides of the front and back sides of the sealing sleeve are fixedly connected to support plates and the right side of the support plate is fixed to the sealing cylinder, an air outlet groove is provided on the inner side of the bottom of the sealing cylinder, and solenoid valves are provided on the fixed pipe and the auxiliary bent pipe.
[0008] Preferably, the auxiliary component also includes an auxiliary shaft and a rotating shaft which are rotatably installed on the left side of the support plate from the inside to the outside, and the top and bottom of the front and back sides of the inner cavity of the sealing sleeve are rotatably installed with a horizontal shaft, and each group of the horizontal shafts is fixedly connected with a plurality of groups of stirring blades in sequence along the left and right directions, and the left ends of the horizontal shaft, the auxiliary shaft and the rotating shaft are fixedly connected with synchronous wheels, and the surfaces of the four adjacent groups of synchronous wheels are connected by synchronous belt transmission, and the right end of the rotating shaft is rotatably installed in the sealing cylinder, and the surface of each group of the rotating shafts is evenly and fixedly connected with a plurality of groups of partitions slidably arranged in the sealing cylinder.
[0009] Preferably, two groups of fixing frames are symmetrically fixedly connected to the left side of the top of the sealing sleeve along the front-to-back direction, and the top of the fixing frame is fixed on the three-way pipe.
[0010] Preferably, both ends of the three-way pipe away from the vacuum pump are located above the air outlet groove.
[0011] Preferably, a plurality of sets of triangular plates are symmetrically fixedly connected to the top of the front and back sides of the inner cavity of the bracket along the left-right direction, and the tops of the triangular plates are fixed to the top of the inner cavity of the bracket.
[0012] Preferably, the solenoid valve on the fixed pipe is located in front of the solenoid valve on the auxiliary bent pipe.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The highly safe distillation tower is provided with auxiliary components so that before starting the heating, the air in the distillation column and the tank body can be quickly pre-extracted by a vacuum pump through the auxiliary elbow, the fixed pipe and the three-way pipe, so that the tank body and the distillation column can be kept in a vacuum state, effectively avoiding the fire caused by the friction between the hot air and the inner wall of the distillation column due to the continuous increase of the temperature in the tank body, thereby greatly improving the overall safety of the equipment. In addition, the driving force provided by the gas extracted by the vacuum pump can be simultaneously used to blow multiple groups of partitions to rotate when the heat transfer oil in the sealing sleeve is heated, and drive multiple groups of horizontal shafts and stirring blades to rotate under the transmission cooperation of multiple groups of synchronous wheels, so as to stir the heat transfer oil, so that the heat transfer oil in various places can quickly maintain a consistent temperature, thereby facilitating the improvement of the distillation progress. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of a distillation tower with high safety proposed by the utility model;
[0016] Figure 2 This is a bottom view of the structure of a distillation tower with high safety proposed by the utility model;
[0017] Figure 3 This is a partial cross-sectional view of the structure of a distillation tower with high safety proposed by the utility model;
[0018] Figure 4 for Figure 3 A magnified view of the structure at center A;
[0019] Figure 5 This is a partial three-dimensional diagram of the structure of the auxiliary component proposed by the utility model.
[0020] In the figure: 1. tank body; 2. distillation column; 3. sealing sleeve; 4. square box; 5. electric heating rod; 6. bracket; 7. vacuum pump; 8. fixed pipe; 9. auxiliary bent pipe; 10. solenoid valve; 11. three-way pipe; 12. support plate; 13. sealing cylinder; 14. horizontal axis; 15. rotating shaft; 16. synchronous wheel; 17. partition; 18. stirring blade. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example
[0022] Reference Figure 1-5 The invention relates to a distillation tower with high safety, comprising a tank body 1, a sealing sleeve 3 filled with heat transfer oil is fixedly connected to the tank body 1, a distillation column 2 is arranged on the tank body 1, and the top of the distillation column 2 passes through the sealing sleeve 3 and extends upward, and the front, back and bottom sides of the sealing sleeve 3 are all connected with square boxes 4, and an electric heating rod 5 is embedded on the side of the square box 4 away from the sealing sleeve 3, and one end of the electric heating rod 5 extends into the sealing sleeve 3, and a bracket 6 is fixedly connected to the two groups of square boxes 4 on the left side, and an auxiliary component is arranged on the bracket 6. By arranging the auxiliary component, the tank body 1 and the distillation column 2 can be kept in a vacuum state before starting the heating, and the hot air can be effectively prevented from rubbing against the inner wall of the distillation column 2 due to the continuous increase of the temperature in the tank body 1, thereby greatly improving the overall safety of the equipment, and the heat transfer oil can be stirred, so that the heat transfer oil in various places can quickly maintain a consistent temperature, thereby facilitating the improvement of the distillation progress. Example
[0023] Improvement based on the first embodiment: a highly safe distillation tower comprises a tank body 1, a sealing sleeve 3 filled with heat transfer oil is fixedly connected to the tank body 1, a distillation column 2 is arranged on the tank body 1, and the top of the distillation column 2 passes through the sealing sleeve 3 and extends upward, the front, back and bottom sides of the sealing sleeve 3 are connected with square boxes 4, an electric heating rod 5 is embedded on the side of the square box 4 away from the sealing sleeve 3, and one end of the electric heating rod 5 extends into the sealing sleeve 3, two groups of square boxes 4 on the left are fixedly connected with brackets 6, and multiple groups of triangular plates are symmetrically fixedly connected to the top of the front and back of the inner cavity of the bracket 6 along the left and right directions, and the top of the triangular plate is fixed to the top of the inner cavity of the bracket 6, the design of the triangular plate can reinforce the bracket 6, improve the overall stability of the bracket 6, and the bracket 6 is provided with auxiliary The auxiliary component includes a vacuum pump 7 fixed on the bracket 6, the air inlet end of the vacuum pump 7 is connected with a fixed pipe 8, the fixed pipe 8 is connected with an auxiliary elbow 9 and one end of the auxiliary elbow 9 is connected to the distillation column 2, the air outlet end of the vacuum pump 7 is connected with a three-way pipe 11, and both ends of the three-way pipe 11 away from the vacuum pump 7 are connected with a sealing cylinder 13, the left side of the top of the sealing sleeve 3 is symmetrically fixedly connected with two groups of fixing frames along the front and back directions, and the top of the fixing frame is fixed on the three-way pipe 11, by setting the fixing frame, the three-way pipe 11 can be auxiliary supported, the overall stability of the three-way pipe 11 is improved, and it is prevented from breaking, the left sides of the front and back sides of the sealing sleeve 3 are fixedly connected with support plates 12, and the right side of the support plate 12 is fixed on the sealing cylinder 13, and the inner side of the bottom of the sealing cylinder 13 is opened An air outlet groove is provided, and both ends of the three-way pipe 11 away from the vacuum pump 7 are located above the air outlet groove. The limitation of the positions of the three-way pipe 11 and the air outlet groove can ensure that the gas blown out through the three-way pipe 11 can be discharged quickly. The fixed pipe 8 and the auxiliary bent pipe 9 are both provided with a solenoid valve 10. The solenoid valve 10 on the fixed pipe 8 is located in front of the solenoid valve 10 on the auxiliary bent pipe 9. The design of the two sets of solenoid valves 10 in different orientations can ensure that the user can freely choose the fixed pipe 8 or the auxiliary bent pipe 9 required according to the needs. The auxiliary component also includes an auxiliary shaft and a rotating shaft 15 that are rotatably installed on the left side of the support plate 12 from the inside to the outside. The top and bottom of the front and back sides of the inner cavity of the sealing sleeve 3 are rotatably installed with a horizontal shaft 14, and each set of horizontal shafts 14 is fixedly connected with a plurality of stirring groups in sequence along the left and right directions. The blades 18, the horizontal shaft 14, the auxiliary shaft and the left end of the rotating shaft 15 are fixedly connected with a synchronous wheel 16, the surfaces of the adjacent four groups of synchronous wheels 16 are connected by synchronous belt transmission, the right end of the rotating shaft 15 is rotatably installed in the sealing cylinder 13, and the surface of each group of rotating shafts 15 is evenly and fixedly connected with a plurality of groups of partitions 17 slidably arranged in the sealing cylinder 13. By arranging auxiliary components, the tank body 1 and the distillation column 2 can be kept in a vacuum state before starting the heating, which effectively avoids the hot air from rubbing against the inner wall of the distillation column 2 due to the continuous increase in the temperature in the tank body 1, thereby greatly improving the overall safety of the equipment, and stirring the heat transfer oil so that the heat transfer oil in various places can quickly maintain a consistent temperature, thereby facilitating the improvement of the distillation progress. A controller is arranged on the front of the bracket 6.
[0024] In the present invention, the user opens the vacuum pump 7 and the electromagnetic valve 10 on the auxiliary elbow 9 through the controller. At this time, the vacuum pump 7 quickly pre-extracts the air in the distillation column 2 and the tank body 1 through the auxiliary elbow 9, the fixed pipe 8 and the three-way pipe 11, so that the tank body 1 and the distillation column 2 are kept in a vacuum state, effectively avoiding the hot air from rubbing against the inner wall of the distillation column 2 due to the continuous increase in the temperature in the tank body 1, thereby greatly improving the overall safety of the equipment. After the extraction is completed, the user closes the electromagnetic valve 10 on the auxiliary elbow 9, and turns on the electric heating rod 5 and the fixed pipe 8. The electromagnetic valve 10 is on the tube 8. At this time, the electric heating rod 5 heats the heat transfer oil in the sealing sleeve 3. At the same time, the vacuum pump 7 transports the external air to the sealing cylinder 13 through the fixed tube 8 and the three-way pipe 11, and impacts the multiple groups of partitions 17, thereby driving the partitions 17 and the rotating shaft 15 to rotate. At this time, with the assistance of multiple groups of synchronous wheels 16, multiple groups of horizontal shafts 14 and stirring blades 18 can be driven to rotate synchronously to stir the heat transfer oil, so that the heat transfer oil in various places can quickly maintain a consistent temperature, thereby heating the liquid material in the tank body 1 and starting the distillation operation.
[0025] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.
Claims
1. A distillation tower with high safety, comprising a tank body (1), characterized in that: A sealing sleeve (3) filled with heat transfer oil is fixedly connected to the tank body (1), a distillation column (2) is arranged on the tank body (1), and the top end of the distillation column (2) passes through the sealing sleeve (3) and extends upwards, the front, back and bottom sides of the sealing sleeve (3) are all connected to square boxes (4), an electric heating rod (5) is embedded on the side of the square box (4) away from the sealing sleeve (3), and one end of the electric heating rod (5) extends into the sealing sleeve (3), and brackets (6) are fixedly connected to the two groups of square boxes (4) on the left side, and auxiliary components are arranged on the brackets (6).
2. A distillation tower with high safety according to claim 1, characterized in that: The auxiliary component comprises a vacuum pump (7) fixed on a bracket (6); an air inlet end of the vacuum pump (7) is connected to a fixed pipe (8); an auxiliary bent pipe (9) is connected to the fixed pipe (8), and one end of the auxiliary bent pipe (9) is connected to the distillation column (2); an air outlet end of the vacuum pump (7) is connected to a three-way pipe (11); both ends of the three-way pipe (11) away from the vacuum pump (7) are connected to a sealing cylinder (13); the left sides of the front and back sides of the sealing sleeve (3) are fixedly connected to a support plate (12), and the right side of the support plate (12) is fixed to the sealing cylinder (13); an air outlet groove is provided on the inner side of the bottom of the sealing cylinder (13); and electromagnetic valves (10) are provided on the fixed pipe (8) and the auxiliary bent pipe (9).
3. A distillation tower with high safety according to claim 1, characterized in that: The auxiliary component further comprises an auxiliary shaft and a rotating shaft (15) which are rotatably mounted on the left side of the support plate (12) from the inside to the outside, and a transverse shaft (14) is rotatably mounted on the top and bottom of the front and back sides of the inner cavity of the sealing sleeve (3), and a plurality of groups of stirring blades (18) are fixedly connected to each group of the transverse shafts (14) in sequence along the left-right direction, and the left ends of the transverse shafts (14), the auxiliary shafts and the rotating shafts (15) are fixedly connected to synchronous wheels (16), and the surfaces of four adjacent groups of the synchronous wheels (16) are connected by synchronous belt transmission, and the right end of the rotating shaft (15) is rotatably mounted in the sealing cylinder (13), and a plurality of groups of partitions (17) slidably arranged in the sealing cylinder (13) are evenly fixedly connected to the surface of each group of the rotating shafts (15).
4. A distillation tower with high safety according to claim 1, characterized in that: Two sets of fixing frames are symmetrically fixedly connected to the left side of the top of the sealing sleeve (3) along the front-to-back direction, and the top of the fixing frame is fixed on the three-way pipe (11).
5. A distillation tower with high safety according to claim 2, characterized in that: Both ends of the three-way pipe (11) away from the vacuum pump (7) are located above the gas outlet groove.
6. A distillation tower with high safety according to claim 1, characterized in that: A plurality of sets of triangular plates are symmetrically fixedly connected to the top of the front and back sides of the inner cavity of the bracket (6) in the left-right direction, and the tops of the triangular plates are fixed to the top of the inner cavity of the bracket (6).
7. A distillation tower with high safety according to claim 2, characterized in that: The solenoid valve (10) on the fixed pipe (8) is located in front of the solenoid valve (10) on the auxiliary bent pipe (9).
