Distillation device for refining methylcyclohexane

Abstract

The utility model relates to the technical field of methyl cyclohexane refining, and discloses a distillation device for methyl cyclohexane refining. The distillation device comprises a protection box, a protection door, a bottom plate, a heating assembly, a supporting plate, a clamping assembly, a flask and a fixing plate, the protection door is rotationally arranged on the front side of the protection box, the bottom plate is arranged in the protection box in a sliding mode, the heating assembly is installed on the bottom plate, and the supporting plate is arranged on the bottom plate. A supporting plate is fixedly connected to the left side in the protection box, a clamping assembly is rotatably arranged on the supporting plate, a flask is clamped on the clamping assembly, the contact surface of the heating assembly and the flask is a curved surface, a fixing plate is fixedly connected to the rear side in the protection box, and a temperature detector is mounted at the top of the distillation tube. The two-way screw rotates to drive the connecting plate to move inwards, the sliding cylinder moves inwards along with the connecting plate, then the lifting base is unfolded, the bottom plate is driven to move upwards, and therefore the position of the heating assembly is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of methylcyclohexane refining and discloses a distillation device for methylcyclohexane refining. Background Art

[0002] Methylcyclohexane is an organic compound with the chemical formula C7H14. It is a derivative of cyclohexane. Methylcyclohexane is generally used as a solvent and may also be an intermediate or byproduct in certain industrial reactions. Its physical and chemical properties are similar to those of other alkanes, with parameters such as boiling point and melting point being affected by the carbon chain structure.

[0003] When methylcyclohexane needs to be refined, distillation is typically used. Distillation is a physical process that separates components in a liquid mixture based on their boiling point differences. In laboratories and industrial production, distillation is commonly used to purify liquids or separate liquid mixtures. However, in practice, because the heating source of existing distillation equipment is fixed in position, relying solely on heating at the bottom of the distillation flask can easily lead to uneven heating of the distillation flask, thereby reducing extraction efficiency and potentially affecting the quality of the methylcyclohexane.

[0004] Therefore, a distillation apparatus for refining methylcyclohexane that can adjust the heating position is needed. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology in actual operation, since the position of the heating source of the existing distillation device is fixed, relying solely on heating at the bottom of the distillation flask can easily lead to uneven heating of the distillation flask, thereby reducing the refining efficiency and possibly affecting the quality of methylcyclohexane, the utility model provides a distillation device for refining methylcyclohexane with adjustable heating position.

[0006] The utility model provides the following technical solutions: a distillation device for refining methylcyclohexane, comprising a protective box, a protective door, a bottom plate, a heating component, a support plate, a clamping component, a flask, a fixed plate, a distillation tube, an evaporation tube, a cooling mechanism and a temperature detector, wherein the front side of the protective box is rotatably provided with a protective door, the interior of the protective box is slidably provided with a bottom plate, a heating component is mounted on the bottom plate, the left side of the interior of the protective box is fixedly connected to a support plate, the support plate is rotatably provided with a clamping component, a flask is clamped on the clamping component, the rear side of the interior of the protective box is fixedly connected to the fixed plate, and the front side of the fixed plate is fixedly provided with a fixed plate. A distillation tube is connected, the neck of the flask is in contact with the distillation tube, the right side of the distillation tube is connected and communicated with an evaporation tube, a cooling mechanism is provided on the evaporation tube, a temperature detector is installed on the top of the distillation tube, and it also includes a support seat, a sliding cylinder, a lifting seat, a connecting plate and a bidirectional screw. Two support seats are installed at the bottom of the protective box, two sliding cylinders are slidingly provided on the support seats, a lifting seat is installed at the bottom of the bottom plate, the lifting seat is fixedly connected to the sliding cylinder, a connecting plate is fixedly connected between the two vertically aligned sliding cylinders, a bidirectional screw is rotatably provided inside the protective box, and the bidirectional screw is threadedly connected to the connecting plate.

[0007] Optionally, the cooling mechanism includes a supporting shell, a condenser and a condensing tube. The supporting shell is mounted on the evaporating tube, the condenser is mounted on the supporting shell, and the condensing tubes are connected to the left and right sides of the condenser. The condensing tubes are wound around the evaporating tube.

[0008] Optionally, the contact surface between the heating component and the flask is a curved surface.

[0009] Optionally, a protective pad is provided on the inner side of the clamping assembly.

[0010] Optionally, an adjustment knob is provided on the clamping assembly.

[0011] Optionally, it also includes a gas detector, a controller and an alarm. A gas detector is installed on the top of the protective box, a controller is installed on the top of the protective box, the controller is connected to the gas detector signal, and two alarms are installed on the top of the protective box, and the alarms are electrically connected to the controller.

[0012] Optionally, it also includes an exhaust box, an exhaust device, an exhaust pipe, an air permeable plate and a connecting pipe. The exhaust box is installed on the rear side of the protective box, and the exhaust device is provided on the top of the exhaust box. The exhaust device is connected to the controller signal, and two exhaust pipes are connected to the top of the exhaust device. The rear side of the protective box is fixedly connected to the air permeable plate, one end of the exhaust pipe is connected to the air permeable plate, and the rear side of the exhaust box is connected and connected with a connecting pipe.

[0013] Optionally, an observation window is also included, and the protective door is embedded with an observation window.

[0014] Optionally, a sleeve and a filter plate are further included. The end of the evaporating tube is sleeved with a sleeve, and the filter plate is embedded in the sleeve.

[0015] Optionally, a placement slot is provided at the bottom of the protective box.

[0016] Compared with the prior art, the present invention provides a distillation device for refining methylcyclohexane, which has the following beneficial effects: 1. The rotation of the bidirectional screw drives the connecting plate to move inward, and the sliding cylinder also moves inward, thereby unfolding the lifting seat and driving the bottom plate to move upward, thereby adjusting the position of the heating component to ensure that the heating component is in full contact with the flask, avoiding uneven heating of the flask, thereby improving the refining efficiency and the quality of methylcyclohexane.

[0017] 2. When the gas detector detects that the concentration of harmful gases in the protective box exceeds the standard, it will transmit the signal to the controller, and the controller will then activate the alarm and sound the alarm, thereby reminding the staff to take appropriate measures in time to ensure safe operation.

[0018] 3. Start the exhaust device through the controller. The exhaust device will draw the gas inside the protective box into the exhaust pipe through the breathable plate, and then into the exhaust box through the exhaust pipe, so as to collect the harmful gas in a centralized manner and avoid safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the protective box and the bidirectional screw of the utility model.

[0021] Figure 3 It is a three-dimensional structural diagram of the bidirectional screw, base plate and heating assembly of the utility model.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the support seat, sliding cylinder and lifting seat of the utility model.

[0023] Figure 5 It is a three-dimensional cross-sectional view of the vacuum box, vacuum pipe and breathable plate of the utility model.

[0024] Figure 6 This is a three-dimensional cross-sectional view of the support plate, clamping assembly and flask of the utility model.

[0025] Explanation of the reference numerals: 1: protective box, 2: protective door, 3: observation window, 4: support base, 5: sliding cylinder, 6: lifting base, 7: connecting plate, 8: bidirectional screw, 9: bottom plate, 10: heating component, 11: support plate, 12: clamping component, 13: flask, 14: fixing plate, 15: distillation tube, 16: evaporation tube, 17: support shell, 18: condenser, 19: condenser tube, 20: temperature detector, 21: sleeve, 22: filter plate, 23: gas detector, 24: controller, 25: alarm, 26: vacuum box, 2601: vacuum device, 27: vacuum pipe, 28: breathable plate, 29: connecting pipe, 30: placement tank. DETAILED DESCRIPTION

[0026] 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.

[0027] Example 1: A distillation apparatus for extracting methylcyclohexane, see Figures 1-6, including a protective box 1, a protective door 2, a bottom plate 9, a heating component 10, a support plate 11, a clamping component 12, a flask 13, a fixed plate 14, a distillation tube 15, an evaporation tube 16, a cooling mechanism and a temperature detector 20. The front side of the protective box 1 is rotatably provided with a protective door 2, the interior of the protective box 1 is slidably provided with a bottom plate 9, the bottom plate 9 is provided with a heating component 10 by bolt connection, the left side of the protective box 1 is fixedly connected with a support plate 11, the support plate 11 is rotatably provided with a clamping component 12, and a protective pad is provided inside the clamping component 12 to reduce the clamping The pressure between the component 12 and the flask 13 is to prevent the flask 13 from being broken due to excessive pressure, and an adjusting knob is provided on the clamping component 12. By turning the adjusting knob, the tightness of the clamping component can be adjusted. The clamping component 12 clamps the flask 13. The contact surface between the heating component 10 and the flask 13 is a curved surface, which increases the contact area between the heating component 10 and the flask 13. A fixing plate 14 is fixedly connected to the rear side of the interior of the protective box 1. A distillation tube 15 is connected to the front side of the fixing plate 14. The neck of the flask 13 contacts the distillation tube 15. The right side of the distillation tube 15 is connected and communicated with an evaporation tube 16. The evaporation tube 16 is provided with a support shell 17, and a condenser 18 is provided on the support shell 17 by means of bolt connection. The left and right sides of the condenser 18 are connected with condenser tubes 19, and the condenser tubes 19 are wound around the evaporation tube 16. A temperature detector 20 is provided on the top of the distillation tube 15 by means of bolt connection. Two support seats 4 are provided at the bottom of the protective box 1 by means of bolt connection. Two sliding cylinders 5 are slidingly provided on the support seat 4. A lifting seat 6 is provided at the bottom of the bottom plate 9 by means of bolt connection. The lifting seat 6 is fixedly connected to the sliding cylinder 5, and the two sliding cylinders 5 aligned vertically are connected. A connecting plate 7 is fixedly connected between the protective box 1, and a bidirectional screw 8 is rotatably provided inside the protective box 1. The bidirectional screw 8 is threadedly connected to the connecting plate 7. An observation window 3 is embedded in the protective door 2, and the observation window 3 is convenient for viewing the situation inside the protective box 1. A sleeve 21 is provided at the end of the evaporation tube 16, and a filter plate 22 is embedded in the sleeve 21. The filter plate 22 filters impurities carried in the liquid substance and separates the impurities from the liquid substance, thereby improving the quality of the liquid substance. A placement groove 30 is provided at the bottom of the protective box 1, and the placement groove 30 is used to place a receiving container.

[0028] When it is necessary to refine methylcyclohexane, the liquid mixture to be separated is first poured into the flask 13. Then, the protective door 2 is rotated outward to open the protective box 1, and the flask 13 is placed in the clamping assembly 12. The adjusting knob on the clamping assembly 12 is rotated to clamp the flask 13. At this time, the neck of the flask 13 is connected to the distillation head of the distillation tube 15. Then, the bidirectional screw 8 rotates to drive the connecting plate 7 to move inward, and the sliding cylinder 5 also moves inward, thereby expanding the lifting seat 6 and driving the bottom plate 9 to move upward, so as to adjust the position of the heating assembly 10 to ensure that the heating assembly 10 is in full contact with the flask 13, avoid uneven heating of the flask 13, thereby improving the refining efficiency and the quality of methylcyclohexane. After turning on the heating component 10 and setting the heating temperature, the heating component 10 generates heat to heat the flask 13, and then the protective door 2 is turned inward to close the protective box 1. During the heating process, the temperature detector 20 monitors the temperature inside the distillation tube 15 in real time. When the heating temperature needs to be adjusted, it can be achieved by adjusting the power of the heating component 10, thereby effectively avoiding the formation of by-products or decomposition of raw materials due to overheating. As the distillation proceeds, the rising steam enters the evaporation tube 16. At the same time, the condenser 18 is turned on to operate the condenser 19. The rising steam is cooled back to liquid by the cooling water circulation inside the condenser 19, and then the liquid substance is discharged through the evaporation tube 16 and finally flows into the receiving container for collection.

[0029] Example 2: Based on Example 1, please refer to Figure 3 and Figure 5 A gas detector 23 is provided on the top of the protective box 1 by means of bolt connection. A controller 24 is provided on the top of the protective box 1 by means of bolt connection. The controller 24 is signal-connected to the gas detector 23. Two alarms 25 are provided on the top of the protective box 1 by means of bolt connection. The alarms 25 are electrically connected to the controller 24.

[0030] When methylcyclohexane is being refined, the gas detector 23 is turned on. The gas detector 23 detects the gas concentration in the protective box 1 in real time. When the gas detector 23 detects that the concentration of harmful gases in the protective box 1 exceeds the standard, it transmits a signal to the controller 24. The controller 24 then activates the alarm 25 and sounds an alarm, thereby reminding the staff to take corresponding measures in time to ensure safe operation.

[0031] See also Figure 5An exhaust box 26 is provided on the rear side of the protective box 1 by means of bolt connection, and an exhaust device 2601 is provided on the top of the exhaust box 26. The exhaust device 2601 is connected to the controller 24 signal, and two exhaust pipes 27 are connected to the top of the exhaust device 2601. A breathable plate 28 is fixedly connected to the rear side of the interior of the protective box 1, and one end of the exhaust pipe 27 is connected to the breathable plate 28. The rear side of the exhaust box 26 is connected and communicated with a connecting pipe 29.

[0032] When the gas detector 23 detects harmful gas, it will transmit a signal to the controller 24, and the controller 24 will then start the exhaust device 2601. The exhaust device 2601 starts to operate and draws the gas inside the protective box 1 into the exhaust pipe 27 through the air permeable plate 28, and then into the exhaust box 26 through the exhaust pipe 27, thereby centrally collecting the harmful gas and avoiding safety hazards.

[0033] 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 distillation apparatus for extracting methylcyclohexane, comprising a protective box (1), a protective door (2), a bottom plate (9), a heating assembly (10), a support plate (11), a clamping assembly (12), a flask (13), a fixing plate (14), a distillation tube (15), an evaporation tube (16), a cooling mechanism, and a temperature detector (20). The protective box (1) is provided with a protective door (2) on the front side in a rotatable manner, the protective box (1) is provided with a bottom plate (9) in a sliding manner inside, the bottom plate (9) being mounted on the heating assembly (10), and the support plate (11) being fixedly connected to the left side of the interior of the protective box (1). A clamping assembly (12) is rotatably provided on the support plate (11), a flask (13) is clamped on the clamping assembly (12), the contact surface between the heating assembly (10) and the flask (13) is a curved surface, a fixing plate (14) is fixedly connected to the rear side of the interior of the protective box (1), a distillation tube (15) is connected to the front side of the fixing plate (14), the neck of the flask (13) contacts the distillation tube (15), the right side of the distillation tube (15) is connected and communicated with an evaporation tube (16), a cooling mechanism is provided on the evaporation tube (16), and a temperature detector (20) is installed on the top of the distillation tube (15), characterized in that, The invention also includes a support seat (4), a sliding cylinder (5), a lifting seat (6), a connecting plate (7) and a bidirectional screw (8). Two support seats (4) are installed at the bottom of the protective box (1). Two sliding cylinders (5) are slidingly arranged on the support seat (4). A lifting seat (6) is installed at the bottom of the bottom plate (9). The lifting seat (6) is fixedly connected to the sliding cylinder (5). A connecting plate (7) is fixedly connected between the two vertically aligned sliding cylinders (5). A bidirectional screw (8) is rotatably arranged inside the protective box (1). The bidirectional screw (8) is threadedly connected to the connecting plate (7).

2. A distillation apparatus for extracting methylcyclohexane according to claim 1, characterized in that: The cooling mechanism comprises a supporting shell (17), a condenser (18) and a condensing tube (19); the supporting shell (17) is sleeved on the evaporating tube (16); the condenser (18) is mounted on the supporting shell (17); the condensing tube (19) is connected to both sides of the condenser (18); and the condensing tube (19) is wound around the evaporating tube (16).

3. A distillation apparatus for extracting methylcyclohexane according to claim 2, characterized in that: A protective pad is provided on the inner side of the clamping assembly (12).

4. A distillation apparatus for extracting methylcyclohexane according to claim 3, characterized in that: An adjusting knob is provided on the clamping assembly (12).

5. A distillation apparatus for extracting methylcyclohexane according to claim 4, characterized in that: The protective box (1) further comprises a gas detector (23), a controller (24) and an alarm (25). The gas detector (23) is installed on the top of the protective box (1). The controller (24) is installed on the top of the protective box (1). The controller (24) is connected to the gas detector (23) by signal. The protective box (1) further comprises two alarms (25), which are electrically connected to the controller (24).

6. A distillation apparatus for extracting methylcyclohexane according to claim 5, characterized in that: The protective box (1) further comprises an air extraction box (26), an air extraction device (2601), an air extraction pipe (27), an air permeable plate (28) and a connecting pipe (29). The air extraction box (26) is installed on the rear side of the protective box (1). The air extraction device (2601) is provided on the top of the air extraction box (26). The air extraction device (2601) is connected to the controller (24) for signal transmission. Two air extraction pipes (27) are connected to the top of the air extraction device (2601). The rear side of the protective box (1) is fixedly connected to the air permeable plate (28). One end of the air extraction pipe (27) is connected to the air permeable plate (28). The rear side of the air extraction box (26) is connected and communicated with the connecting pipe (29).

7. A distillation apparatus for extracting methylcyclohexane according to claim 6, characterized in that: It also includes an observation window (3), which is embedded in the protective door (2).

8. A distillation apparatus for extracting methylcyclohexane according to claim 7, characterized in that: It also includes a sleeve (21) and a filter plate (22). The end of the evaporation tube (16) is sleeved with the sleeve (21), and the filter plate (22) is embedded in the sleeve (21).

9. A distillation apparatus for extracting methylcyclohexane according to claim 8, characterized in that: The protective box (1) is also provided with a placement groove (30) at the bottom thereof.

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