Distillation tower for purifying vanillyl alcohol butyl ether crude product

Abstract

The utility model relates to the technical field of distillation towers, in particular to a vanillyl alcohol butyl ether crude product purification distillation tower, which can uniformly heat materials, improve the heating efficiency, improve the purification distillation efficiency and ensure the purification distillation quality. Comprising a tower body, a feeding pipe, a circulating high-temperature steam pipeline, an auxiliary heating assembly, a mixing assembly and a control assembly, the feeding pipe is connected to the side wall of the tower body, the circulating high-temperature steam pipeline is installed in the tower body, the auxiliary heating assembly is installed at the bottom of the tower body, the mixing assembly is installed in the tower body, and the control assembly is installed on the tower body.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of distillation column, in particular to a kind of distillation column for purification of geraniol butyl ether crude product. BACKGROUND

[0002] Geraniol butyl ether can quickly produce mild and lasting pyrogenic effect after acting on skin locally, and is mainly used in the production of cosmetics such as thermal facial mask, bath product, cleaning product, cream and lipstick, and can also be used in food and pharmaceutical industries. The synthesis process of geraniol butyl ether includes the following steps: 1. geraniol butyl ether generation process; 2. water washing and desolventizing process; 3. rectification process. The rectification step of geraniol butyl ether requires rectification column operation: that is, geraniol butyl ether crude product is sent into the rectification column for rectification. During the rectification process, the system needs to be heated, and the temperature is controlled between 80-120℃. A vacuum pump is started to maintain the vacuum state in the system to ensure the smooth progress of the rectification process. The prior art publication No. CN214105854U proposes a distillation column for chemical production, which includes a base, a distillation column fixedly connected to the top of the base, a distillation device fixedly connected to the inside of the distillation column, a circulating pipeline fixedly connected to the bottom of the distillation column, a liquid inlet pipeline fixedly connected to the outer surface above the distillation column, a liquid outlet pipeline fixedly connected to the outer surface below the other side of the distillation column, a steam inlet pipeline fixedly connected to the outer surface below the liquid inlet pipeline, a temperature control device fixedly arranged in the middle of the steam inlet pipeline, and a first steam outlet and a second steam outlet fixedly connected to the top of the distillation column. However, the distillation speed is slow, which affects the purification efficiency and leads to poor practicability. SUMMARY

[0003] To solve the above technical problems, the utility model provides a kind of geraniol butyl ether crude product purification distillation column that makes material uniform heating, improves heating efficiency, improves purification distillation efficiency and guarantees purification distillation quality.

[0004] The utility model relates to a kind of geraniol butyl ether crude product purification distillation column, including tower body, feed pipe, circulating high-temperature steam pipeline, auxiliary heating component, mixing component and control component, feed pipe is connected on the lateral wall of tower body, circulating high-temperature steam pipeline is installed in tower body, auxiliary heating component is installed at the bottom of tower body, mixing component is installed in the inside of tower body, control component is installed on tower body;Crude product raw material is input to tower body by feed pipe, can be preheated to the inside of tower body by auxiliary heating component, simultaneously, circulating high-temperature steam pipeline is connected with reboiler again, so that the heat supply in the inside of distillation column is guaranteed, mixing component can agitate the material in the inside of tower body, guarantee even heating, improve distillation storage efficiency, and control component can detect the temperature and pressure in the inside of tower body, so as to adjust in time, improve practicability.

[0005] Preferably, the auxiliary heating assembly comprises a base box, a heater and a plurality of heating rods, the base box is installed at the bottom of the tower body, the bottom of the base box is provided with an extension edge, the heater is installed inside the base box, and the plurality of heating rods are axially and uniformly installed at the bottom of the tower body and connected with the heater; the tower body bottom is supported by the base box to increase the contact area with the ground and ensure stability, the heater is started to control the heating rods to preheat the inside of the tower body, and the purification efficiency is improved.

[0006] Preferably, the steam inlet pipe, the control valve and the steam discharge pipeline are further included, the steam inlet pipe is connected with the lower input end of the circulating high-temperature steam pipeline, the steam inlet pipe is installed on the lower outer wall of the tower body, the control valve is installed on the steam inlet pipe, the steam discharge pipeline is connected with the output end of the circulating high-temperature steam pipeline, the steam discharge pipeline is installed on the upper outer wall of the tower body, and the steam discharge pipeline is connected with the steam recovery device; the steam inlet pipe is connected with the reboiling device, the steam flow rate is adjusted through the control valve, the heat supply in the distillation tower is ensured, the used steam is discharged through the steam discharge pipeline, and the steam is reused.

[0007] Preferably, the mixing assembly comprises a driving box, a rotating shaft, a speed reducer motor, a driving shaft, a bevel gear, a transmission bevel gear, two rotating discs, a plurality of vertical rods and a plurality of stirring blades, the driving box is fixedly installed at the bottom of the tower body, the lower end of the rotating shaft is rotatably installed in the driving box, the speed reducer motor is fixedly installed on the outer wall of the tower body, the output end of the speed reducer motor penetrates through the side wall of the tower body and is connected with the driving shaft, the other end of the driving shaft rotatably penetrates through the driving box and is provided with the transmission bevel gear, the bevel gear is fixedly installed on the lower outer wall of the rotating shaft and is in mesh with the transmission bevel gear, the upper portion of the rotating shaft penetrates through the top of the driving box and is located in the tower body, the two rotating discs are installed on the outer wall of the rotating shaft in a top-and-bottom manner, the vertical rods are axially and uniformly connected between the two rotating discs, the stirring blades are fixedly installed on the vertical rods, and a plurality of round holes are formed in the stirring blades; the speed reducer motor is started to drive the driving shaft to rotate, the driving shaft drives the rotating shaft to rotate through the transmission bevel gear and the bevel gear, the rotating shaft drives the rotating discs to rotate, thereby driving the vertical rods and the stirring blades to rotate, the materials in the tower body are stirred, the materials are uniformly heated, the heating efficiency is improved, and the purification distillation efficiency is improved.

[0008] Preferably, the control assembly comprises a first electronic thermometer, a second electronic thermometer and a controller, the first electronic thermometer is installed on the steam inlet pipe, the second electronic thermometer is installed on the right end side wall of the tower body, and the controller is installed on the front end side wall of the tower body; the first electronic thermometer detects the temperature of the steam input into the steam inlet pipe, and the second electronic thermometer detects the temperature in the tower body, so that the distillation temperature in the tower body is controlled to be between 80-0℃, and the purification distillation quality is ensured.

[0009] Preferably, it further includes a support rod, a vacuum pipe, an electronic pressure gauge and a waste pipe, the support rod is fixedly installed on the upper end of the driving box, a support ring is arranged on the middle part of the support rod, the outer wall of the rotating shaft is in sliding contact with the support ring at the corresponding position of the support rod, the electronic pressure gauge is installed on the upper part of the tower body, the vacuum pipe is connected to the side wall of the upper part of the tower body, an electromagnetic valve is arranged on the vacuum pipe, the waste pipe is connected to the lower part of the right end of the tower body, a discharge valve is arranged on the waste pipe, and a heat preservation layer is arranged in the tower body; the rotating shaft is supported by the support rod to ensure the stability of the rotating shaft, the vacuum pipe is connected to a vacuum device, the vacuum pressure in the tower body can be detected by the electronic pressure gauge, the vacuum state in the tower body is maintained, the rectification process is ensured to be carried out smoothly, and the heat preservation layer can preserve heat in the tower body, reduces heat dissipation, and improves energy utilization.

[0010] Preferably, it further includes a slow flow plate, a rotating rod, conveying fan blades, an output pipe and a valve, the slow flow plate is installed on the upper end of the tower body, a plurality of round holes are formed in the slow flow plate, the slow flow plate is located below the vacuum pipe, the bottom of the rotating rod is concentrically connected to the top end of the upper end rotating disc, the top of the rotating rod penetrates through the slow flow plate and is connected with the conveying fan blades, the output pipe is connected to the top of the tower body, the output pipe is obliquely arranged, and the valve is installed on the output pipe.

[0011] Compared with the prior art, the crude raw material is input into the tower body through the input end of the feeding pipe, the tower body inside can be preheated through the auxiliary heating assembly, at the same time, the circulating high-temperature steam pipe is connected to the reboiling device, so that the heat supply in the distillation tower is guaranteed, the mixed assembly can stir the material in the tower body, the uniform heating is guaranteed, the distillation and storage efficiency is improved, and at the same time, the control assembly can detect the temperature and pressure in the tower body, so that timely adjustment is facilitated, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a perspective view of the utility model;

[0014] Figure 3 It is a rear perspective view of the utility model;

[0015] Figure 4 It is a front view of the utility model;

[0016] Figure 5 It is an internal structure schematic diagram of the utility model;

[0017] Figure 6 is the structural schematic view of the mixing assembly and the like structure of the utility model;

[0018] Marked in the drawing: 1, tower body;2, feed pipe;3, circulating high temperature steam pipeline;4, steam inlet pipe;5, control valve;6, first electronic thermometer;7, steam discharge pipeline;8, base box;9, heater;10, heating rod;11, drive box;12, rotating shaft;13, speed reducer motor;14, drive shaft;15, bevel gear;16, transmission bevel gear;17, support rod;18, rotating disc;19, vertical rod;20, stirring blade;21, slow flow plate;22, rotating rod;23, conveying fan blade;24, vacuum pipe;25, electronic pressure gauge;26, second electronic thermometer;27, waste discharge pipe;28, output pipe;29, valve;30, heat preservation layer;31, controller. DETAILED DESCRIPTION

[0019] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] As Figures 1 to 6As shown, on the basis of embodiment 1, the feed pipe 2 is connected to the sidewall of the tower body 1, the circulating high-temperature steam pipeline 3 is installed in the tower body 1, the steam inlet pipe 4 is connected to the lower input end of the circulating high-temperature steam pipeline 3, the steam inlet pipe 4 is installed on the lower outer wall of the tower body 1, the control valve 5 is installed on the steam inlet pipe 4, the steam outlet pipeline 7 is connected to the output end of the circulating high-temperature steam pipeline 3, the steam outlet pipeline 7 is installed on the upper outer wall of the tower body 1, the steam outlet pipeline 7 is connected to the steam recovery device, the base box 8 is installed at the bottom of the tower body 1, the base box 8 is provided with an extension edge at the bottom, the heater 9 is installed in the base box 8, a plurality of heating rods 10 are axially and uniformly installed at the bottom of the tower body 1, the heating rods 10 are connected to the heater 9, the driving box 11 is fixedly installed at the bottom of the tower body 1, the lower end of the rotating shaft 12 is rotatably installed in the driving box 11, the speed reducer motor 13 is fixedly installed on the outer wall of the tower body 1, the output end of the speed reducer motor 13 is connected with the driving shaft 14 which penetrates through the sidewall of the tower body 1, the other end of the driving shaft 14 is rotatably penetrated through the driving box 11 and is provided with the transmission bevel gear 16, the bevel gear 15 is fixedly installed on the lower outer wall of the rotating shaft 12 and is engaged with the transmission bevel gear 16, the upper part of the rotating shaft 12 penetrates through the top of the driving box 11 and is located in the tower body 1, the two rotating discs 18 are installed on the outer wall of the rotating shaft 12 in an up-down manner, the vertical rods 19 are axially and uniformly connected between the two rotating discs 18, the stirring blades 20 are fixedly installed on the vertical rods 19, a plurality of round holes are arranged on the stirring blades 20, the first electronic thermometer 6 is installed on the steam inlet pipe 4, the second electronic thermometer 26 is installed on the right end sidewall of the tower body 1, the controller 31 is installed on the front end sidewall of the tower body 1, the first electronic thermometer 6 and the second electronic thermometer 26 are electrically connected with the controller 31, the supporting rod 17 is fixedly installed on the upper end of the driving box 11, the supporting ring is arranged on the middle part of the supporting rod 17, the outer wall of the rotating shaft 12 corresponding to the position of the supporting ring is in sliding contact with the supporting ring, the electronic pressure gauge 25 is installed on the upper part of the tower body 1, the vacuumizing pipe 24 is connected to the upper sidewall of the tower body 1, the electromagnetic valve is arranged on the vacuumizing pipe 24, the waste discharge pipe 27 is connected to the right end lower part of the tower body 1, the discharge valve is arranged on the waste discharge pipe 27, the heat preservation layer 30 is arranged in the tower body 1, the flow slowing plate 21 is installed on the upper end inside of the tower body 1, a plurality of round holes are arranged on the flow slowing plate 21, the flow slowing plate 21 is located below the vacuumizing pipe 24, the rotating rod 22 is concentrically connected to the top of the upper rotating disc 18 at the bottom, the rotating rod 22 penetrates through the flow slowing plate 21 at the top and is connected with the conveying fan blade 23, the output pipe 28 is connected to the top of the tower body 1, the output pipe 28 is arranged in an inclined manner, the valve 29 is installed on the output pipe 28;

[0021] The base box 8 supports the bottom of the tower body 1, increases the contact area with the ground, ensures stability, starts the heater 9 to control the heating rod 10 to preheat the inside of the tower body 1, is favorable to improve the purification efficiency, the steam enters the pipe 4 and is connected with the reboiling device, the steam flow rate is adjusted through the control valve 5, the heat supply in the distillation tower is ensured, the used steam is discharged through the steam discharge pipeline 7 and is reused, the crude material is input into the tower body 1 through the feed pipe 2, the support rod 17 supports the rotating shaft 12, ensures the stability of the rotating shaft 12, the vacuum pipe 24 is connected with the vacuum device, the vacuum pressure inside the tower body 1 can be detected through the electronic pressure gauge 25, the vacuum state in the tower body 1 is maintained, the smooth progress of the rectification process is ensured, the heat preservation layer 30 can heat preservation in the tower body 1, reduces the heat dissipation, improves the energy utilization rate, the first electronic thermometer 6 detects the steam temperature of the steam input into the steam inlet pipe 4, and the second electronic thermometer 26 detects the temperature in the tower body 1, so that the distillation temperature in the tower body 1 is controlled between 80-120℃, the purification distillation quality is ensured, the distillation gas flows upward, the distillation gas is blocked through the slow flow plate 21, flows upward through the round hole of the slow flow plate 21, the rotating disc 18 drives the rotating rod 22 to rotate, the rotating rod 22 drives the conveying fan blade 23 to rotate, pushes the distillation gas outward, opens the valve 29 and makes the distillation gas pass through the output pipe 28 and discharge into the cooling device.

[0022] As Figures 1 to 6As shown, the base box 8 supports the bottom of the tower body 1, increases the contact area with the ground, starts the heater 9 to control the heating rod 10 to preheat the inside of the tower body 1, the crude product raw material is input into the tower body 1 through the feed pipe 2, the steam enters the reboiler device connected to the steam inlet pipe 4, the steam flow rate is adjusted through the control valve 5, the steam enters the circulating high-temperature steam pipeline 3, and the inside of the tower body 1 is heated, so that the heat supply of the inside of the distillation tower is guaranteed, the steam after use is discharged through the steam discharge pipeline 7, the vacuumizing pipe 24 is connected with the vacuumizing device, the vacuum pressure inside the tower body 1 can be detected through the electronic pressure gauge 25, the vacuum state inside the tower body 1 is maintained, the speed reducer 13 is started to drive the driving shaft 14 to rotate, the driving shaft 14 drives the rotating shaft 12 to rotate through the transmission bevel gear 16 and the bevel gear 15, the rotating shaft 12 drives the rotating disc 18 to rotate, thereby driving the vertical rod 19 and the stirring blade 20 to rotate, the material in the tower body 1 is stirred, the material is uniformly heated, the first electronic thermometer 6 detects the steam temperature of the steam input into the steam inlet pipe 4, and the second electronic thermometer 26 detects the temperature in the tower body 1, so that the distillation temperature in the tower body 1 is controlled to be between 80-120 DEG C, the distillation gas flows upwards, the distillation gas can be blocked through the slow flow plate 21, and the distillation gas flows upwards through the round holes of the slow flow plate 21, the rotating disc 18 drives the rotating rod 22 to rotate when rotating, the rotating rod 22 drives the conveying fan blade 23 to rotate, and the distillation gas is pushed outwards, the valve 29 is opened, and the distillation gas is discharged into the cooling device through the output pipe 28.

[0023] The first electronic thermometer 6, the heater 9, the heating rod 10, the speed reducer 13, the electronic pressure gauge 25, the second electronic thermometer 26, the valve 29 and the controller 31 of the crude product purification distillation tower of the utility model are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, and the technical personnel in the field does not need to pay creative labor.

[0024] The above only is the preferred implementation manner of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, on the premise that the technical principle of the utility model is not departed from, a plurality of improvements and modifications can be made, and the improvements and modifications should also be regarded as the protection range of the utility model.

Claims

1. A distillation column for purifying crude vanillin butyl ether, characterized in that, It includes a tower body (1), a feed pipe (2), a circulating high-temperature steam pipe (3), an auxiliary heating component, a mixing component, and a control component. The feed pipe (2) is connected to the side wall of the tower body (1), the circulating high-temperature steam pipe (3) is installed inside the tower body (1), the auxiliary heating component is installed at the bottom of the tower body (1), the mixing component is installed inside the tower body (1), and the control component is installed on the tower body (1).

2. The vanillin butyl ether crude product purification distillation column as described in claim 1, characterized in that, The auxiliary heating assembly includes a base box (8), a heater (9) and multiple heating rods (10). The base box (8) is installed at the bottom of the tower body (1). An extension edge is provided at the bottom of the base box (8). The heater (9) is installed inside the base box (8). Multiple heating rods (10) are axially and evenly installed at the bottom of the tower body (1). The heating rods (10) are connected to the heater (9).

3. The vanillin butyl ether crude product purification distillation column as described in claim 1, characterized in that, It also includes a steam inlet pipe (4), a control valve (5) and a steam outlet pipe (7). The steam inlet pipe (4) is connected to the lower input end of the circulating high-temperature steam pipe (3). The steam inlet pipe (4) is installed on the lower outer wall of the tower body (1). The control valve (5) is installed on the steam inlet pipe (4). The steam outlet pipe (7) is connected to the output end of the circulating high-temperature steam pipe (3). The steam outlet pipe (7) is installed on the upper outer wall of the tower body (1). The steam outlet pipe (7) is connected to the steam recovery device.

4. The vanillin butyl ether crude product purification distillation column as described in claim 1, characterized in that, The mixing assembly includes a drive box (11), a rotating shaft (12), a geared motor (13), a drive shaft (14), a bevel gear (15), a transmission bevel gear (16), two turntables (18), multiple vertical rods (19), and multiple stirring blades (20). The drive box (11) is fixedly installed at the bottom of the tower body (1). The lower end of the rotating shaft (12) is rotatably installed inside the drive box (11). The geared motor (13) is fixedly installed on the outer wall of the tower body (1). The output end of the geared motor (13) passes through the side wall of the tower body (1) and is connected to the drive shaft (14). The drive shaft (14) The other end rotates through the drive box (11) and is equipped with a transmission bevel gear (16). A bevel gear (15) is fixedly installed on the lower outer wall of the shaft (12). The bevel gear (15) meshes with the transmission bevel gear (16). The upper part of the shaft (12) passes through the top of the drive box (11) and is located inside the tower body (1). Two turntables (18) are installed on the outer wall of the shaft (12) respectively. A vertical rod (19) is axially and evenly connected between the two turntables (18). A stirring blade (20) is fixedly installed on the vertical rod (19). Multiple round holes are provided on the stirring blade (20).

5. The vanillin butyl ether crude product purification distillation column as described in claim 2, characterized in that, The control components include a first electronic thermometer (6), a second electronic thermometer (26), and a controller (31). The first electronic thermometer (6) is installed on the steam inlet pipe (4), the second electronic thermometer (26) is installed on the right side wall of the tower body (1), and the controller (31) is installed on the front side wall of the tower body (1). The first electronic thermometer (6) and the second electronic thermometer (26) are electrically connected to the controller (31).

6. The vanillin butyl ether crude product purification distillation column as described in claim 4, characterized in that, It also includes a support rod (17), a vacuum tube (24), an electronic pressure gauge (25), and a waste discharge pipe (27). The support rod (17) is fixedly installed inside the upper part of the drive box (11). A support ring is provided in the middle of the support rod (17). The outer wall of the rotating shaft (12) is in sliding contact with the support ring at the position corresponding to the support rod (17). The electronic pressure gauge (25) is installed on the upper part of the tower body (1). The vacuum tube (24) is connected to the upper side wall of the tower body (1). A solenoid valve is provided on the vacuum tube (24). The waste discharge pipe (27) is connected to the lower right end of the tower body (1). A discharge valve is provided on the waste discharge pipe (27). An insulation layer (30) is provided inside the tower body (1).

7. The vanillin butyl ether crude product purification distillation column as described in claim 4, characterized in that, It also includes a flow buffer plate (21), a rotating rod (22), a conveying fan blade (23), an output pipe (28), and a valve (29). The flow buffer plate (21) is installed inside the upper part of the tower body (1). Multiple round holes are opened on the flow buffer plate (21). The flow buffer plate (21) is located below the vacuum pipe (24). The bottom of the rotating rod (22) is concentrically connected to the top of the upper turntable (18). The top of the rotating rod (22) rotates through the flow buffer plate (21) and is connected to the conveying fan blade (23). The output pipe (28) is connected to the top of the tower body (1). The output pipe (28) is inclined and a valve (29) is installed on the output pipe (28).

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