Distillation equipment for efficiently refining and purifying propylene glycol

Abstract

The utility model discloses efficient distillation equipment for refining and purifying propylene glycol, which comprises a distillation cylinder and a collecting box, the distillation cylinder is fixedly communicated with the collecting box through a distillation pipe, two radiating fins capable of radiating quickly are arranged on the surface of the distillation pipe, and the top of the distillation cylinder is in threaded connection with a cylinder cover. According to the device disclosed by the utility model, the distillation cylinder, the collection box, the distillation pipe, the heat dissipation fins, the cooling sleeve, the semiconductor refrigerator, the fan, the mounting plate, the inserting groove, the inserting block, the clamping groove, the through groove, the movable plate, the clamping block, the movable rod, the bottom plate, the sleeve spring, the cylinder cover, the feeding pipe, the limiting sleeve, the base, the heating disc and the drainage pipe are matched with one another; the effect of quickly condensing and collecting the steam generated in the distillation process is achieved, so that the practicability of the device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of distillation equipment, in particular to a high-efficiency distillation equipment for refining and purifying propylene glycol. Background Art

[0002] Distillation utilizes the different boiling points of the components in a mixed liquid or solid-liquid system to evaporate the low-boiling-point component, and then obtains the low-boiling-point component by condensation to achieve the purpose of purification. After evaporation, the extract will enter the condenser, condense from gas to liquid, and enter the tank below.

[0003] A search revealed patent application number CN202222529779.9, which discloses a distillation apparatus for producing methylpropanediol (MPD). The apparatus comprises a heating base and a MPD distillation cylinder, which is movably connected to the heating base.

[0004] However, in actual use, the above patent has the following defects: it is impossible to quickly and efficiently condense and collect the steam generated during the distillation process. Therefore, we propose a high-efficiency distillation equipment for refining and purifying propylene glycol. Utility Model Content

[0005] The purpose of the utility model is to provide a high-efficiency distillation device for refining and purifying propylene glycol to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a distillation device for refining and purifying propylene glycol with high efficiency, comprising a distillation cylinder and a collecting box, wherein the distillation cylinder and the collecting box are fixedly connected via a distillation tube, the surface of the distillation tube is provided with two heat dissipating fins for rapid heat dissipation, the top of the distillation cylinder is threadedly connected to a cylinder cover, the top of the cylinder cover is fixedly connected to a feeding pipe, a valve is installed on the feeding pipe, a limiting sleeve is movably sleeved on the bottom of the surface of the distillation cylinder, the bottom of the limiting sleeve is fixedly connected to a base, the top of the base is located inside the limiting sleeve and is fixedly connected to a heating plate, the heating plate is in movable contact with the distillation cylinder, the bottom right side of the collecting box is fixedly connected to a drain pipe, a valve is installed on the drain pipe.

[0007] Furthermore, a cooling jacket is fixed on the surface of the distillation tube and located at the top of the collecting box, and a coolant is provided inside the cooling jacket.

[0008] Furthermore, semiconductor refrigerators are fixedly connected to both the left and right sides of the cooling sleeve, and the heat absorption surface of the semiconductor refrigerator is located inside the cooling sleeve.

[0009] Furthermore, the heat dissipation surface of the semiconductor cooler is located outside the cooling sleeve, and the heat dissipation fins are fixedly connected to the heat dissipation surface of the semiconductor cooler.

[0010] Furthermore, a conveniently detachable fan is provided above the heat dissipation fins, and the fan is used to blow air to the heat dissipation fins.

[0011] Furthermore, a mounting plate is fixedly provided on the surface of the distillation tube and located above the cooling sleeve. The mounting plate is in movable contact with the fan. Plug-in slots are provided on the left and right sides of the mounting plate. A plug-in block is movably connected inside the plug-in slot. The plug-in block is fixedly connected to the fan, and two slots are provided on the top of the plug-in block.

[0012] Furthermore, a through slot is provided at a position on the top of the mounting plate corresponding to the card slot, the through slot is communicated with the plug-in slot, and movable plates are movably connected to both left and right sides of the top of the mounting plate.

[0013] Furthermore, a card block is fixedly connected to the position of the card slot at the bottom of the movable plate, and the bottom of the card block passes through the through slot and the card slot in sequence and extends to the inside of the card slot. The card block and the card slot are movably connected. Two movable rods are also fixedly connected to the bottom of the movable plate, and the bottom of the movable rods passes through the mounting plate and extends to the outside of the mounting plate.

[0014] Furthermore, the movable rod is movably connected to the mounting plate, the bottoms of the two movable rods are fixedly connected to the same bottom plate, and a sleeve spring is sleeved on the surface of the movable rod and located between the mounting plate and the bottom plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. The utility model achieves the effect of quickly and efficiently condensing and collecting the steam generated in the distillation process through the cooperation of the distillation cylinder, the collecting box, the distillation tube, the heat dissipation fins, the cooling sleeve, the semiconductor refrigerator, the fan, the mounting plate, the plug-in slot, the plug-in block, the card slot, the through slot, the movable plate, the card block, the movable rod, the bottom plate, the sleeve spring, the cylinder cover, the feeding tube, the limit sleeve, the base, the heating plate, and the drain pipe, thereby greatly improving the practicality of the device.

[0017] 2. The utility model can conveniently disassemble and maintain the fan. When disassembling, you only need to pull the movable plate upwards, which will drive the movable rod, bottom plate and card block to move upwards, and at the same time compress the sleeve spring to make the card block disengage from the card slot, and then pull the fan outward to make the plug-in block disengage from the plug-in slot, so that the fan can be removed for maintenance. The operation is simple, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a front structural cross-sectional view of the utility model;

[0019] Figure 2 This is a front structural cross-sectional view of the cooling jacket of the present invention;

[0020] Figure 3 This is a schematic diagram of the top view of the cooling jacket of the utility model;

[0021] Figure 4 This is a schematic diagram of the assembly structure of the mounting plate and the fan of the utility model.

[0022] In the figure: 1. Distillation cylinder; 2. Collection box; 3. Distillation tube; 4. Heat dissipation fins; 5. Cooling sleeve; 6. Semiconductor refrigerator; 7. Fan; 8. Mounting plate; 9. Plug-in slot; 10. Plug-in block; 11. Card slot; 12. Through slot; 13. Movable plate; 14. Card block; 15. Movable rod; 16. Bottom plate; 17. Sleeve spring; 18. Cylinder cover; 19. Feeding pipe; 20. Limiting sleeve; 21. Base; 22. Heating plate; 23. Drain pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] See also Figure 1-4 A high-efficiency distillation equipment for refining and purifying propylene glycol includes a distillation cylinder 1 and a collecting box 2. The distillation cylinder 1 and the collecting box 2 are fixedly connected by a distillation tube 3. Two heat dissipation fins 4 for rapid heat dissipation are provided on the surface of the distillation tube 3. The top of the distillation cylinder 1 is threadedly connected to a cylinder cover 18. The top of the cylinder cover 18 is fixedly connected to a feeding pipe 19, and a valve is installed on the feeding pipe 19. A limiting sleeve 20 is movably sleeved on the bottom of the surface of the distillation cylinder 1. The bottom of the limiting sleeve 20 is fixedly connected to a base 21. The top of the base 21 is located inside the limiting sleeve 20 and is fixedly connected to a heating plate 22. The heating plate 22 is in movable contact with the distillation cylinder 1. A drain pipe 23 is fixedly connected to the bottom right side of the collecting box 2, and a valve is installed on the drain pipe 23.

[0027] Specifically, a cooling jacket 5 is fixedly provided on the surface of the distillation tube 3 and located on the top of the collecting box 2 . Cooling liquid is provided inside the cooling jacket 5 , and the cooling jacket 5 is made of metal.

[0028] During specific implementation, semiconductor coolers 6 are fixedly connected to both the left and right sides of the cooling jacket 5 , and the heat absorbing surface of the semiconductor cooler 6 is located inside the cooling jacket 5 .

[0029] Specifically, the heat dissipation surface of the semiconductor cooler 6 is located outside the cooling sleeve 5 , and the heat dissipation fins 4 are fixedly connected to the heat dissipation surface of the semiconductor cooler 6 .

[0030] During specific implementation, a conveniently detachable fan 7 is provided above the heat dissipation fins 4 , and the fan 7 is used to blow air to the heat dissipation fins 4 to dissipate heat.

[0031] Specifically, a mounting plate 8 is fixedly provided on the surface of the distillation tube 3 and located above the cooling sleeve 5. The mounting plate 8 is in movable contact with the fan 7. Plug-in slots 9 are provided on the left and right sides of the mounting plate 8. A plug-in block 10 is movably connected inside the plug-in slot 9. The plug-in block 10 is fixedly connected to the fan 7, and two slots 11 are provided on the top of the plug-in block 10.

[0032] During specific implementation, a through slot 12 is provided at the top of the mounting plate 8 corresponding to the card slot 11 , and the through slot 12 is connected to the plug-in slot 9 , and movable plates 13 are movably connected to the left and right sides of the top of the mounting plate 8 .

[0033] Specifically, a card block 14 is fixedly connected to the position of the card slot 11 at the bottom of the movable plate 13. The bottom of the card block 14 passes through the through slot 12 and the card slot 11 in sequence and extends to the inside of the card slot 11. The card block 14 and the card slot 11 are movably connected. Two movable rods 15 are also fixedly connected to the bottom of the movable plate 13. The bottom of the movable rod 15 passes through the mounting plate 8 and extends to the outside of the mounting plate 8.

[0034] Specifically, the movable rod 15 is movably connected to the mounting plate 8 , and the bottoms of the two movable rods 15 are fixedly connected to the same bottom plate 16 . A sleeve spring 17 is sleeved on the surface of the movable rod 15 and located between the mounting plate 8 and the bottom plate 16 .

[0035] In actual application: when in use, an appropriate amount of the original solution for preparing propylene glycol is added to the distillation cylinder 1 through the feeding pipe 19, and then the valve is closed, and then the heating plate 22 is started. The heating plate 22 heats the distillation cylinder 1, and then heats the original solution inside the distillation cylinder 1, thereby realizing the distillation operation. The steam generated during distillation is transported to the collection box 2 through the distillation tube 3. At the same time, the cooling jacket 5 continuously absorbs the heat on the surface of the distillation tube 3 and transports the heat to the coolant. At the same time, the coolant is cooled by the semiconductor refrigerator 6, and the heat is transferred to the heat dissipation fins 4 through the heat dissipation surface of the semiconductor refrigerator 6 for heat dissipation. At the same time, the fan 7 blows air to the heat dissipation fins 4 to dissipate heat, thereby greatly improving the heat dissipation effect and heat dissipation efficiency of the heat dissipation fins 4, thereby greatly improving the cooling effect of the semiconductor refrigerator 6, thereby improving the heat absorption effect of the cooling jacket 5, thereby greatly improving the cooling effect of the distillation tube 3, thereby allowing the steam to quickly condense when passing through the end of the distillation tube 3, and the condensed liquid falls into the collection box 2 for collection.

[0036] All components in this utility model are universal standard parts or components known to those skilled in the art. Their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. At the same time, the standard parts used in this application document can be purchased on the market. The various components in this application document can be customized according to the description and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology.

[0037] Through the use of wires by those skilled in the art, all electrical components in this case are connected to their corresponding power supplies, and appropriate controllers and encoders should be selected according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the working principle, and the electrical connection between the electrical components should be completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. This utility model mainly introduces the working principle and process, and no longer explains the electrical control.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency distillation apparatus for refining and purifying propylene glycol, comprising a distillation cylinder (1) and a collecting box (2), characterized in that: The distillation cylinder (1) and the collection box (2) are fixedly connected via a distillation tube (3), and the surface of the distillation tube (3) is provided with two heat dissipation fins (4) capable of rapidly dissipating heat.

2. The high-efficiency distillation equipment for refining and purifying propylene glycol according to claim 1, characterized in that: A cooling jacket (5) is fixedly provided on the surface of the distillation tube (3) and located at the top of the collecting box (2), and a cooling liquid is provided inside the cooling jacket (5).

3. The high-efficiency distillation equipment for refining and purifying propylene glycol according to claim 2, characterized in that: Semiconductor refrigerators (6) are fixedly connected to both the left and right sides of the cooling sleeve (5), and the heat absorption surface of the semiconductor refrigerator (6) is located inside the cooling sleeve (5).

4. The high-efficiency distillation equipment for refining and purifying propylene glycol according to claim 3, characterized in that: The heat dissipation surface of the semiconductor cooler (6) is located outside the cooling sleeve (5), and the heat dissipation fins (4) are fixedly connected to the heat dissipation surface of the semiconductor cooler (6).

5. The high-efficiency distillation equipment for refining and purifying propylene glycol according to claim 4, characterized in that: A conveniently detachable fan (7) is provided above the heat dissipation fins (4), and the fan (7) is used to blow air to the heat dissipation fins (4) to dissipate heat.

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