Small-molecular-weight organic silicon rectification equipment

Abstract

The invention discloses small-molecular-weight organic silicon rectification equipment, and belongs to the technical field of mechanical equipment, the small-molecular-weight organic silicon rectification equipment comprises a shell, a feeding pipe and a heating evaporation body, a first collection cover is fixedly arranged at the top end of the heating evaporation body, and a discharging opening of the feeding pipe faces an opening of a second collection cover. The distillation device has the effects that the possibility that materials are splashed to the bottom of the shell can be reduced, so that the materials can be saved, and the purity of molecules after distillation is improved.

Description

Technical Field

[0001] The present application relates to the technical field of mechanical equipment, and in particular to a small molecular weight organic silicon distillation equipment. Background Art

[0002] Molecular distillation, also known as short-path distillation, is a relatively new liquid-liquid separation technology that has not been widely used in industrial production. Its application can solve a large number of problems that conventional distillation technology cannot solve. Compared with conventional distillation technology: 1. It can be separated at any temperature, so the operating temperature of molecular distillation is much lower than the boiling point of the material. 2. Molecular distillation is the free evaporation of the liquid film surface, the vacuum degree is very good, the working pressure is very low, and the heating time is very short, generally only ten seconds to a few minutes. 3. During the molecular distillation process, the molecules escaping from the heating surface fly directly to the condensation surface. In theory, there is no possibility of returning to the heating surface, so there is no substance that is difficult to separate in molecular distillation.

[0003] In the related art, the molecular distillation equipment includes: a shell, a feed pipe, a vacuum pipe, a heating evaporator, a cooling surface, a light fraction discharge port and a heavy fraction discharge port; the feed pipe is located at the top of the shell, one end of the vacuum pipe is connected to the top of the shell, and the other end is connected to the vacuum equipment; the heating evaporator is located at the bottom of the shell, below the feed port, the heating evaporator is a cylindrical structure, and the surface of the heating evaporator is a multi-head spiral groove structure; the cooling surface is located on the inner wall of the shell; the light fraction discharge port is located at the lower part of the cooling surface, for discharging the condensed light fraction; the heavy fraction discharge port is located at the bottom of the shell, for discharging the heavy fraction.

[0004] With respect to the above-mentioned related technologies, the inventors believe that since there is a certain height between the feed pipe and the heated evaporator, some material may splash to the bottom of the shell when the feed pipe is discharging material, and may be directly discharged from the light fraction discharge port and the heavy fraction discharge port, which not only causes material waste, but also affects the purity of the molecules after distillation. Summary of the invention

[0005] In order to reduce the possibility of material splashing to the bottom of the shell, thereby saving materials and improving the purity of molecules after distillation, the present application provides a small molecular weight organosilicon distillation equipment.

[0006] The present application provides a small molecular weight organosilicon distillation equipment adopts the following technical solution: A small molecular weight organic silicon distillation device comprises a shell, a feed pipe and a heating evaporator, wherein a first collecting cover is fixedly arranged on the top of the heating evaporator, and an outlet of the feed pipe is arranged toward an opening of a second collecting cover.

[0007] By adopting the above technical solution, there is a certain height between the outlet end of the feed pipe and the heated evaporator, so the material discharged from the feed pipe may splash to the bottom of the shell, and may be discharged from the light fraction outlet or the heavy fraction outlet, and the first collecting hood is capable of collecting and gathering the material discharged from the feed pipe, thereby reducing the possibility of the material splashing to the bottom of the shell, thereby reducing the possibility of material waste, and also improving the purity of the molecules after distillation.

[0008] Preferably, a second collecting hood is fixedly provided at the bottom end of the heating evaporator, and a conveying component for conveying materials is provided in the second collecting hood.

[0009] By adopting the above technical solution, after the material flows from the heated evaporator, a small amount of material may not be completely distilled, and thus flows to the bottom of the shell and flows out from the light fraction discharge port and the heavy fraction discharge port. Therefore, the second collecting hood is set up to collect the residual material, and finally the material can be transported to the first collecting hood for repeated distillation through the conveying component, thereby further reducing the possibility of material waste.

[0010] Preferably, the conveying assembly includes a pump body, a liquid inlet pipe and a liquid discharge pipe, the pump body is installed in a second collecting cover, one end of the liquid inlet pipe is connected to the liquid inlet end of the pump body, one end of the liquid discharge pipe is connected to the liquid outlet end of the pump body, and the other end of the liquid discharge pipe is connected to the inner cavity of the first collecting cover.

[0011] By adopting the above technical solution, the staff can open the pump body, and then the material in the second collecting hood will enter from the liquid inlet pipe and enter into the first collecting hood from the liquid discharge pipe, thereby facilitating the transportation of the material.

[0012] Preferably, a connecting plate is fixedly provided at the discharge end of the feed pipe, a sliding groove is provided on the connecting plate, a sealing cover slides in the sliding groove, and a pushing component for pushing the sealing cover to move is provided on the connecting plate; a storage groove is provided on the inner wall of the sliding groove, a limiting block slides in the storage groove, and a limiting groove for the limiting block to be plugged in is provided on the sealing cover; a driving component for driving the limiting block to move is provided in the first collecting cover.

[0013] By adopting the above technical solution, when the material in the first collecting cover gradually increases, the liquid level in the first collecting cover gradually rises, and then the limit block can be driven by the driving component to move in the direction away from the sealing cover. When the limit block moves to a position away from the sealing cover, the sealing cover can move in the direction close to the feed pipe under the action of the pushing component. When the sealing cover moves to a position below the feed pipe, the feed pipe can be blocked, thereby reducing the possibility of continued discharge of material in the feed pipe.

[0014] Preferably, the pushing assembly includes a pushing block and a first spring, the inner wall of the sliding groove is provided with a sliding groove, the pushing block is fixedly arranged on the sealing cover, the pushing block slides in the sliding groove, and the two ends of the first spring are respectively fixedly connected to the pushing block and the inner wall of the sliding groove.

[0015] By adopting the above technical solution, when the sealing cover is limited, the first spring is in a compressed state. After that, when the sealing cover is released from the limit, the elastic force of the first spring can push the push block to move, and the movement of the push block drives the sealing cover to move, thereby reducing the difficulty of moving the sealing cover.

[0016] Preferably, the driving assembly includes a floating plate and a driving rod, one end of the driving rod is fixedly arranged on the floating plate, the end of the driving rod away from the floating plate can be passed through the inner wall of the storage tank, the limiting block is provided with a slot for the driving rod to be inserted, the driving rod is provided with a slope, and the end of the driving rod close to the limiting block can abut and cooperate with the inner wall of the slot.

[0017] By adopting the above technical solution, when the liquid level in the first collecting hood rises, the float plate will move upward along with the rise of the liquid level, and the float plate can drive the drive rod to move during the rising process, and then the drive rod can move in the direction close to the limit block, and then the drive rod can be inserted into the slot on the limit block, and at the same time, the drive rod can abut and cooperate with the inner wall of the slot through the inclined surface, and then push the limit block to move in the direction away from the sealing cover, so as to facilitate the release of the limit block on the sealing cover.

[0018] Preferably, a guide block is fixedly provided on the floating plate, and a guide groove for the guide block to slide is provided on the side wall of the first collecting cover.

[0019] By adopting the above technical solution, the provided guide block can guide the floating plate, thereby reducing the possibility of the floating plate drifting randomly.

[0020] Preferably, a pull rope is provided at one end of the sealing cover, and the end of the pull rope away from the sealing cover is fixedly arranged on the floating plate; an inclined surface is provided on the limit block, and the limit block can abut and cooperate with the side wall of the sealing cover through the inclined surface; a second spring is provided in the storage groove, and the two ends of the second spring are respectively fixedly connected to the limit block and the inner wall of the storage groove.

[0021] By adopting the above technical solution, when the material in the first collecting cover gradually decreases, the liquid level in the first collecting cover will gradually decrease, and the float plate will move downward accordingly. The movement of the float plate can drive the pull rope to move, and the movement of the pull rope can drive the sealing cover to move away from the feed pipe. During the movement of the sealing cover, the inclined surface on the limit block can push the limit block to move into the storage tank. At this time, the second spring is compressed. After that, when the sealing cover moves to the position corresponding to the limit block and the limit groove, the elastic force of the second spring can push the limit block to be inserted into the limit groove, thereby reducing the possibility of the sealing cover blocking the feed pipe.

[0022] Preferably, a pulley is rotatably provided on the connecting plate, and the pull rope is slidably provided on the side wall of the pulley.

[0023] By adopting the above technical solution, the provided pulley can guide the pull rope.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. There is a certain height between the outlet end of the feed pipe and the heated evaporator, so the material discharged from the feed pipe may splash to the bottom of the shell, and may be discharged from the light fraction outlet or the heavy fraction outlet. The first collecting cover can collect and gather the material discharged from the feed pipe, thereby reducing the possibility of the material splashing to the bottom of the shell, thereby reducing the possibility of material waste, and also improving the purity of the molecules after distillation; 2. After the material flows from the heated evaporator, a small amount of material may not be completely distilled, and thus flows to the bottom of the shell and flows out from the light fraction outlet and the heavy fraction outlet. Therefore, the second collecting hood is provided to collect the residual material, and finally the material can be transported to the first collecting hood through the transport component for repeated distillation, thereby further reducing the possibility of material waste; 3. When the material in the first collecting cover gradually increases, the liquid level in the first collecting cover gradually rises, and then the limit block can be driven by the driving component to move in the direction away from the sealing cover. When the limit block moves to a position away from the sealing cover, the sealing cover can move in the direction close to the feed pipe under the action of the pushing component. When the sealing cover moves to a position below the feed pipe, the feed pipe can be blocked, thereby reducing the possibility of continued discharge of material in the feed pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of a molecular distillation device; Figure 2 It is a structural schematic diagram highlighting the sealing cover in the embodiment of the present application.

[0026] Description of reference numerals: 1. Shell; 2. Feed pipe; 3. Heating evaporator; 4. First collecting cover; 5. Second collecting cover; 6. Conveying assembly; 7. Pump body; 8. Liquid inlet pipe; 9. Liquid discharge pipe; 10. Connecting plate; 11. Sliding groove; 12. Sealing cover; 13. Pushing assembly; 14. Storage tank; 15. Limiting block; 16. Limiting groove; 17. Driving assembly; 18. Pushing block; 19. First spring; 20. Sliding groove; 21. Floating plate; 22. Driving rod; 23. Slot; 24. Guide block; 25. Guide groove; 26. Pull rope; 27. Second spring; 28. Pulley. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1-2 This application is described in further detail.

[0028] The present application discloses a small molecular weight organosilicon distillation device. Figure 1 and Figure 2 As shown, it includes a shell 1, a feed pipe 2 and a heating evaporator 3. A first collecting cover 4 is fixedly mounted on the top of the heating evaporator 3. The opening of the first collecting cover 4 is arranged upward, and the outlet of the feed pipe 2 is arranged toward the opening of the second collecting cover 5.

[0029] like Figure 1 and Figure 2 As shown, there is a certain height between the outlet end of the feed pipe 2 and the heated evaporator 3, so the material discharged from the feed pipe 2 may splash to the bottom of the shell 1, and may be discharged from the light fraction outlet or the heavy fraction outlet, and the first collecting hood 4 is set to collect and gather the material discharged from the feed pipe 2, thereby reducing the possibility of the material splashing to the bottom of the shell 1, thereby reducing the possibility of material waste, and also improving the purity of the molecules after distillation.

[0030] like Figure 1 and Figure 2 As shown, a second collecting hood 5 is fixedly mounted on the bottom end of the heating evaporator 3, the opening of the second collecting hood 5 is arranged to face upward, and a conveying assembly 6 is arranged inside the second collecting hood 5; the conveying assembly 6 includes a pump body 7, a liquid inlet pipe 8 and a liquid discharge pipe 9, the pump body 7 is fixedly installed on the bottom of the second collecting hood 5 by bolts, one end of the liquid inlet pipe 8 is connected to the liquid inlet end of the pump body 7, one end of the liquid discharge pipe 9 is connected to the liquid outlet end of the pump body 7, and the other end of the liquid discharge pipe 9 is connected to the inner cavity of the first collecting hood 4.

[0031] like Figure 1 and Figure 2As shown, after the material flows from the heated evaporator 3, a small amount of material may not be completely distilled, and thus flows to the bottom of the shell 1 and flows out from the light fraction outlet and the heavy fraction outlet. Therefore, the second collecting hood 5 is set to collect the residual material. Finally, the pump body 7 can be opened, and then the material in the second collecting hood 5 will enter from the liquid inlet pipe 8 and enter from the liquid discharge pipe 9 into the first collecting hood 4, so as to facilitate the transportation of the material. The material can also be repeatedly distilled after being transported to the first collecting hood 4, so as to further reduce the possibility of material waste.

[0032] like Figure 1 and Figure 2 As shown, a connecting plate 10 is fixedly mounted on the discharge end of the feed pipe 2, and the connecting plate 10 is in the shape of a rectangular parallelepiped. A sliding groove 11 is provided at the bottom of the connecting plate 10, and the sliding groove 11 extends horizontally along the length direction of the connecting plate 10, and the discharge port of the feed pipe 2 is connected to the sliding groove 11, and a sealing cover 12 slides horizontally in the sliding groove 11, and the sealing cover 12 is in the shape of a rectangular parallelepiped. A pushing assembly 13 is provided on the connecting plate 10; storage grooves 14 are provided on the inner walls at the opposite ends of the sliding groove 11, and the storage grooves 14 extend horizontally along the width direction of the connecting plate 10, and a limiting block 15 slides horizontally in the storage groove 14, and the limiting block 15 is in the shape of a rectangular parallelepiped. Limiting grooves 16 are provided on the opposite side walls of the sealing cover 12, and the two limiting blocks 15 can be respectively inserted into the two limiting grooves 16; a driving assembly 17 is provided in the first collecting cover 4.

[0033] like Figure 1 and Figure 2 As shown, when the material in the first collecting hood 4 gradually increases, the liquid level in the first collecting hood 4 gradually rises, and then the limit block 15 can be driven by the driving component 17 to move in the direction away from the sealing cover 12. When the limit block 15 moves to a position away from the sealing cover 12, the sealing cover 12 can move in the direction close to the feeding pipe 2 under the action of the pushing component 13. When the sealing cover 12 moves to a position below the feeding pipe 2, the feeding pipe 2 can be blocked, thereby reducing the possibility of continued discharge of material in the feeding pipe 2.

[0034] like Figure 1 and Figure 2As shown, there are two groups of pushing components 13, which are respectively located on the opposite side walls of the sealing cover 12. The inner walls on the opposite sides of the sliding groove 11 are provided with sliding grooves 20, which extend horizontally along the length direction of the connecting plate 10. The two groups of pushing components 13 are respectively arranged in the two sliding grooves 20; the pushing component 13 includes a pushing block 18 and a first spring 19. The pushing block 18 is in the shape of a rectangular parallelepiped. The pushing block 18 is welded and fixed on the sealing cover 12. The pushing block 18 slides in the sliding groove 20 along the length direction of the connecting plate 10; the first spring 19 is horizontally arranged along the length direction of the connecting plate 10, and the two ends of the first spring 19 are respectively welded and fixed to the pushing block 18 and the inner wall of one side of the sliding groove 20.

[0035] like Figure 1 and Figure 2 As shown, when the sealing cover 12 is limited, the first spring 19 is in a compressed state. After that, when the sealing cover 12 is released from the limit, the elastic force of the first spring 19 can push the push block 18 to move. The movement of the push block 18 drives the sealing cover 12 to move, thereby reducing the difficulty of moving the sealing cover 12.

[0036] like Figure 1 and Figure 2 As shown, the driving assembly 17 includes a floating plate 21 and a driving rod 22. Two driving rods 22 are provided and are in the shape of a rectangular parallelepiped. The two driving rods 22 are provided corresponding to the two limit blocks 15. The bottom end of the driving rod 22 is fixedly connected to the top side wall of the floating plate 21. The end of the driving rod 22 away from the floating plate 21 can be passed through the inner wall of the storage tank 14, and the limit block 15 is provided with a slot 23. The end of the driving rod 22 close to the limit block 15 can be inserted into the slot 23. The driving rod 22 is provided with an inclined surface. The end of the driving rod 22 close to the limit block 15 can be abutted and matched with the inner wall of the slot 23 through the inclined surface.

[0037] like Figure 1 and Figure 2 As shown, when the liquid level in the first collecting hood 4 rises, the float plate 21 will move upward along with the rise of the liquid level. During the rising process of the float plate 21, the drive rod 22 can be driven to move, and then the drive rod 22 can move toward the direction close to the limit block 15. After that, the drive rod 22 can be inserted into the slot 23 on the limit block 15. At the same time, the drive rod 22 can abut and cooperate with the inner wall of the slot 23 through the inclined surface, and then push the limit block 15 to move in the direction away from the sealing cover 12, so as to facilitate the release of the limit block 15 on the sealing cover 12.

[0038] like Figure 1 and Figure 2As shown, a guide block 24 is fixedly connected to the floating plate 21, and the cross-section of the guide block 24 is dovetail-shaped. A guide groove 25 is opened in the vertical direction on the side wall of the first collecting cover 4, and the cross-section of the guide groove 25 is dovetail-shaped. The set guide block 24 can guide the floating plate 21, thereby reducing the possibility of the floating plate 21 drifting at will.

[0039] like Figure 1 and Figure 2 As shown, a pull rope 26 is provided at one end of the sealing cover 12 away from the feed pipe 2, one end of the pull rope 26 is fixedly connected to the sealing cover 12, and the end of the pull rope 26 away from the sealing cover 12 is fixedly connected to the top side wall of the floating plate 21; a limiting block 15 is provided with an inclined surface on the side close to the feed pipe 2, and the limiting block 15 can abut and cooperate with the side wall of the sealing cover 12 through the inclined surface; a second spring 27 is provided in the storage groove 14, and the second spring 27 is horizontally arranged along the width direction of the connecting plate 10, and the two ends of the second spring 27 are respectively fixedly connected to the limiting block 15 and the inner wall of the end of the storage groove 14 away from the sealing cover 12.

[0040] like Figure 1 and Figure 2 As shown, when the material in the first collecting cover 4 gradually decreases, the liquid level in the first collecting cover 4 will gradually decrease, and the floating plate 21 will move downward accordingly. The movement of the floating plate 21 can drive the pull rope 26 to move, and the movement of the pull rope 26 can drive the sealing cover 12 to move away from the feeding pipe 2. During the movement of the sealing cover 12, the inclined surface on the limit block 15 can push the limit block 15 to move into the storage tank 14. At this time, the second spring 27 is compressed. After that, when the sealing cover 12 moves to the position corresponding to the limit block 15 and the limit groove 16, the elastic force of the second spring 27 can push the limit block 15 to be inserted into the limit groove 16, thereby reducing the possibility of the sealing cover 12 blocking the feeding pipe 2.

[0041] like Figure 1 and Figure 2 As shown, two connecting blocks are welded and fixed on one side of the connecting plate 10 away from the feeding pipe 2, a pulley 28 is arranged between the two connecting blocks, the rotating shafts at both ends of the pulley 28 are respectively rotatably connected to the two connecting blocks, and the pull rope 26 is slidably arranged on the side wall of the pulley 28; the set pulley 28 can guide the pull rope 26.

[0042] The implementation principle of the embodiment of the present application is as follows: there is a certain height between the outlet end of the feed pipe 2 and the heated evaporator 3, so the material discharged from the feed pipe 2 may splash to the bottom of the shell 1, and may be discharged from the light fraction discharge port or the heavy fraction discharge port, and the first collecting hood 4 provided can collect and gather the material discharged from the feed pipe 2, thereby reducing the possibility of the material splashing to the bottom of the shell 1, thereby reducing the possibility of material waste, and also improving the purity of the molecules after distillation.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A low molecular weight organic silicon distillation device, comprising a housing (1), a feed pipe (2) and a heating evaporator (3), characterized in that: A first collecting cover (4) is fixedly arranged at the top end of the heating evaporator (3), and the discharge port of the feed pipe (2) is arranged toward the opening of the second collecting cover (5).

2. A low molecular weight organosilicon distillation device according to claim 1, characterized in that: A second collecting hood (5) is fixedly arranged at the bottom end of the heating evaporator (3), and a conveying assembly (6) for conveying materials is arranged inside the second collecting hood (5).

3. A low molecular weight organosilicon distillation device according to claim 2, characterized in that: The conveying assembly (6) comprises a pump body (7), a liquid inlet pipe (8) and a liquid discharge pipe (9); the pump body (7) is installed in the second collecting cover (5); one end of the liquid inlet pipe (8) is connected to the liquid inlet end of the pump body (7); one end of the liquid discharge pipe (9) is connected to the liquid outlet end of the pump body (7); and the other end of the liquid discharge pipe (9) is connected to the inner cavity of the first collecting cover (4).

4. A low molecular weight organosilicon distillation device according to claim 1, characterized in that: A connecting plate (10) is fixedly provided at the discharge end of the feed pipe (2), a sliding groove (11) is provided on the connecting plate (10), a sealing cover (12) slides in the sliding groove (11), and a pushing component (13) for pushing the sealing cover (12) to move is provided on the connecting plate (10); a storage groove (14) is provided on the inner wall of the sliding groove (11), a limiting block (15) slides in the storage groove (14), and a limiting groove (16) for the limiting block (15) to be inserted is provided on the sealing cover (12); and a driving component (17) for driving the limiting block (15) to move is provided in the first collecting cover (4).

5. A low molecular weight organosilicon distillation device according to claim 4, characterized in that: The pushing assembly (13) comprises a pushing block (18) and a first spring (19); a sliding groove (20) is provided on the inner wall of the sliding groove (11); the pushing block (18) is fixedly arranged on the sealing cover (12); the pushing block (18) slides in the sliding groove (20); and two ends of the first spring (19) are respectively fixedly connected to the pushing block (18) and the inner wall of the sliding groove (20).

6. A low molecular weight organosilicon distillation device according to claim 4, characterized in that: The driving assembly (17) comprises a floating plate (21) and a driving rod (22), one end of the driving rod (22) is fixedly arranged on the floating plate (21), the end of the driving rod (22) away from the floating plate (21) can be inserted into the inner wall of the storage tank (14), the limiting block (15) is provided with a slot (23) for the driving rod (22) to be inserted, the driving rod (22) is provided with an inclined surface, and the end of the driving rod (22) close to the limiting block (15) can abut against the inner wall of the slot (23).

7. A low molecular weight organosilicon distillation device according to claim 6, characterized in that: A guide block (24) is fixedly arranged on the floating plate (21), and a guide groove (25) for the guide block (24) to slide is provided on the side wall of the first collecting cover (4).

8. A low molecular weight organosilicon distillation device according to claim 6, characterized in that: A pull rope (26) is provided at one end of the sealing cover (12), and the end of the pull rope (26) away from the sealing cover (12) is fixedly provided on the floating plate (21); an inclined surface is provided on the limit block (15), and the limit block (15) can be abutted and matched with the side wall of the sealing cover (12) through the inclined surface; a second spring (27) is provided in the storage groove (14), and the two ends of the second spring (27) are respectively fixedly connected to the limit block (15) and the inner wall of the storage groove (14).

9. A low molecular weight organosilicon distillation device according to claim 8, characterized in that: A pulley (28) is rotatably arranged on the connecting plate (10), and the pull rope (26) is slidably arranged on the side wall of the pulley (28).

Images