CN223995422U - Methanol distillation still with preheating and heat preserving functions - Google Patents
Methanol distillation still with preheating and heat preserving functionsInfo
- Publication number
- CN223995422U CN223995422U CN202520274883.9U CN202520274883U CN223995422U CN 223995422 U CN223995422 U CN 223995422U CN 202520274883 U CN202520274883 U CN 202520274883U CN 223995422 U CN223995422 U CN 223995422U
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- fixedly connected
- distillation
- pipe
- shell
- tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
本实用新型公开了一种具有预热保温功能的甲醇蒸馏釜，包括蒸馏罐壳，所述蒸馏罐壳的内部固定安装有蒸馏内罐，所述蒸馏内罐的外部固定安装有螺旋加热管；所述蒸馏罐壳的顶部设置有循环组件，所述循环组件包括安装垫，所述安装垫的顶部固定连接有抽风机和拱架，所述安装垫的中部转动连接有中心轴管，所述拱架的顶部固定连接有驱动电机，所述驱动电机的输出端固定连接有第二齿轮，所述中心轴管的外部固定连接有若干对搅棒，所述搅棒和中心轴管的外部开设有气孔，所述中心轴管的顶部固定连接有第一齿轮；混合液能与热空气充分接触，低温的混合液会由于热传导加速升温，导致该装置的预热和加热效率均提升，进而提高蒸馏效率。
This utility model discloses a methanol distillation kettle with preheating and heat preservation functions, including a distillation tank shell, an inner distillation tank fixedly installed inside the distillation tank shell, and a spiral heating tube fixedly installed outside the inner distillation tank; a circulation assembly is provided on the top of the distillation tank shell, the circulation assembly includes a mounting pad, an exhaust fan and an arch frame fixedly connected to the top of the mounting pad, a central shaft tube rotatably connected to the middle of the mounting pad, a drive motor fixedly connected to the top of the arch frame, a second gear fixedly connected to the output end of the drive motor, several pairs of stirring rods fixedly connected to the outside of the central shaft tube, air holes opened on the outside of the stirring rods and the central shaft tube, and a first gear fixedly connected to the top of the central shaft tube; the mixed liquid can fully contact the hot air, and the low temperature mixed liquid will accelerate the temperature rise due to heat conduction, resulting in improved preheating and heating efficiency of the device, thereby improving distillation efficiency.
Description
Technical Field
The utility model relates to the technical field of chemical production, in particular to a methanol distillation kettle with a preheating and heat-preserving function.
Background
The methanol distillation system comprises a distillation kettle, a distillation tower, a cooling system and the like. In chemical production applications, a methanol distillation system is often required to distill a methanol solution. The existing distillation still in the methanol distillation system is mainly heated by steam, and has the defects of high energy consumption and low heating efficiency, because the still wall of the distillation still is made of metal, the steam enters the steam sleeve and is absorbed by the outer-layer still wall and is dispersed, and the traditional methanol distillation still needs to be improved;
The publication No. CN206444220U discloses a preheating type methanol distillation kettle, which comprises an inner kettle body and an outer kettle body, wherein the upper end part of the inner kettle body is provided with a feed pipe, a discharge pipe, a thermometer and a pressure gauge, the side part of the inner kettle body is provided with a spiral heating pipe, the spiral heating pipe is connected with a steam inlet pipe and a steam outlet pipe, the section of the spiral heating pipe is of a semicircular structure, the outer side of the lower part of the inner kettle body is provided with an electric heating block, the two side surfaces of the electric heating block are respectively matched with the shape of the outer end surface of the inner kettle body and the shape of the inner end surface of the outer kettle body, and the electric heating block is connected with a power line. The utility model adopts the spiral heating pipe tightly attached to the side part of the inner kettle body to prevent steam from directly contacting with the outer kettle body, reduces heat loss, and adopts the electric heating block arranged at the bottom end of the inner kettle body to preheat the inner kettle body by matching with the spiral heating pipe, thereby being beneficial to improving the distillation efficiency of methanol, but the patent has the following problems in the actual use process:
The device is through setting up the internal and external cauldron body, realizes preheating the heat retaining function, but when heating, the liquid that is close to the outer wall in the internal cauldron is at first raised the temperature, and the liquid that is close to central point in inside is raised the temperature effect relatively poor moreover, has the condition that the temperature is decreased progressively, influences distillation efficiency, especially when methanol distillation, and mixed solution temperature is less than the boiling point of water, leads to the heating efficiency of the device, distillation efficiency all slower.
A methanol distillation still with preheating and heat preserving functions is provided to solve the problems set forth above.
Disclosure of utility model
The utility model aims to provide a methanol distillation kettle with a preheating and heat-preserving function, which aims to solve the problems that the heating efficiency and the distillation efficiency of the device are slower due to the fact that the temperature of mixed liquid is lower than the boiling point of water when the temperature of the mixed liquid is reduced under the condition of decreasing temperature when the temperature of the liquid in the inner kettle body is lower than the temperature of the liquid in the central position when the liquid in the inner kettle body is heated.
The methanol distillation kettle with the preheating and heat preservation functions comprises a distillation kettle shell, wherein a distillation inner kettle is fixedly arranged in the distillation kettle shell, and a spiral heating pipe is fixedly arranged outside the distillation inner kettle;
The top of distillation tank shell is provided with circulation subassembly, circulation subassembly includes the installation pad, the top fixedly connected with air exhauster and bow member of installation pad, the air outlet fixedly connected with air outlet pipe of air exhauster, the middle part of installation pad rotates and is connected with the central shaft pipe, the central shaft pipe runs through the distillation tank shell and stretches into the distillation inner tank inside, the top fixedly connected with driving motor of bow member, driving motor's output fixedly connected with second gear, the outside fixedly connected with of central shaft pipe is a plurality of pairs of stirring rods, the gas pocket has been seted up to the outside of stirring rod and central shaft pipe, the top fixedly connected with first gear of central shaft pipe;
The distillation tank comprises a distillation tank shell, wherein a pre-condensation component is arranged on the outer side of the distillation tank shell, the pre-condensation component comprises a slow flow tank, the top of the slow flow tank is fixedly connected with a pre-cooling tank, the top of the pre-cooling tank is fixedly connected with an exhaust pipe, one end of the exhaust pipe, which is far away from the pre-cooling tank, is fixedly connected with a connection shell, the bottom of the connection shell is fixedly connected with a support pipe, a spiral pipe is arranged in the pre-cooling tank, and the bottom of the slow flow tank is fixedly connected with a liquid drain pipe.
Preferably, the installation pad is fixed in the distillation tank shell top, first gear and second gear meshing are connected, the one end that the air-out pipe kept away from the air exhauster is rotated with the top of central shaft tube and is connected, the outside top that the slow flow jar was fixed in the distillation tank shell.
Preferably, an air inlet of the exhaust fan is fixedly connected with an air inlet pipe, and the air inlet pipe penetrates through the mounting pad and stretches into the distillation tank shell.
Preferably, one side of the pre-cooling tank is fixedly connected with two circulating pipes, the circulating pipes are connected with an external heat pump, and cooling liquid is filled in the pre-cooling tank.
Preferably, the top end of the spiral pipe is fixedly connected with the exhaust pipe, and the bottom end of the spiral pipe extends into the slow flow tank.
Preferably, the inside fixedly connected with cross fixed plate of connection shell, the top fixedly connected with second motor of cross fixed plate, the output fixedly connected with flabellum of second motor.
Preferably, the support tube penetrates through the top of the distillation tank shell and is fixedly connected.
Compared with the prior art, the methanol distillation kettle with the preheating and heat preservation functions has the beneficial effects that the mixed solution can be fully contacted with hot air, and the preheating and heating efficiency of the methanol distillation kettle can be improved due to the fact that the mixed solution at low temperature is heated up by heat conduction acceleration, so that the distillation efficiency is improved, and the methanol distillation kettle has the following specific contents:
1. The hot air heated by the exhaust fan is pumped in through the air inlet pipe, the hot air is sprayed out through the air outlet pipe and is blown into the central shaft pipe, and finally the hot air is blown out from the central shaft pipe and the air holes on the stirring rod, so that the mixed liquid can be fully contacted with hot air, the low-temperature mixed liquid can be heated up by heat conduction acceleration, the preheating and heating efficiency of the device are improved, the distillation efficiency is improved, the driving motor is started, the second gear drives the first gear to rotate, the central shaft pipe drives the stirring rod to move, the temperature of the mixed liquid is finally increased more uniformly, and the distillation is more complete.
2. The fan blades are enabled to rotate through the second motor, distilled methanol gas is enabled to be pumped away from the distillation tank shell rapidly, the cooling liquid can enable gaseous methanol entering the spiral tube to be cooled through heat conduction, partial liquefaction occurs, the workload of subsequent equipment is reduced, and meanwhile the liquefying and collecting efficiency of the gaseous methanol is improved.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B;
fig. 5 is a schematic view of the installation structure of the central shaft tube and the stirring rod.
In the figure, 1, a distillation tank shell, 101, a distillation inner tank, 102, a spiral heating pipe, 2, a circulating assembly, 201, a mounting pad, 202, an exhaust fan, 203, an arch, 204, an air inlet pipe, 205, a central shaft pipe, 206, an air outlet pipe, 207, a first gear, 208, a driving motor, 209, a second gear, 210, a stirring rod, 211, an air hole, 3, a pre-condensing assembly, 301, a slow flow tank, 302, a pre-cooling tank, 303, a liquid discharge pipe, 304, an exhaust pipe, 305, a connecting shell, 306, a supporting pipe, 307, a spiral pipe, 308, a circulating pipe, 309, a cross fixing plate, 310, a second motor, 311 and fan blades are shown.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model provides a methanol distillation still with preheating and heat preservation functions, which comprises a distillation pot shell 1, wherein a distillation inner pot 101 is fixedly arranged in the distillation pot shell 1, and a spiral heating pipe 102 is fixedly arranged outside the distillation inner pot 101;
The top of the distillation tank shell 1 is provided with a circulating assembly 2, the circulating assembly 2 comprises a mounting pad 201, the top of the mounting pad 201 is fixedly connected with an exhaust fan 202 and an arch 203, an air outlet pipe 206 is fixedly connected with an air outlet of the exhaust fan 202, the middle part of the mounting pad 201 is rotationally connected with a central shaft pipe 205, the central shaft pipe 205 penetrates through the distillation tank shell 1 and stretches into the distillation inner tank 101, the top of the arch 203 is fixedly connected with a driving motor 208, the output end of the driving motor 208 is fixedly connected with a second gear 209, the outer part of the central shaft pipe 205 is fixedly connected with a plurality of pairs of stirring rods 210, air holes 211 are formed in the stirring rods 210 and the outer part of the central shaft pipe 205, and the top of the central shaft pipe 205 is fixedly connected with a first gear 207;
The distillation tank shell 1 is provided with a pre-condensation component 3 on the outer side, the pre-condensation component 3 comprises a slow flow tank 301, a pre-cooling tank 302 is fixedly connected to the top of the slow flow tank 301, an exhaust pipe 304 is fixedly connected to the top of the pre-cooling tank 302, a connecting shell 305 is fixedly connected to one end, far away from the pre-cooling tank 302, of the exhaust pipe 304, a supporting pipe 306 is fixedly connected to the bottom of the connecting shell 305, a spiral pipe 307 is arranged in the pre-cooling tank 302, a liquid drain pipe 303 is fixedly connected to a subsequent cooling device, a valve is arranged on the exhaust pipe 304, heat loss during preheating can be avoided, a valve pipe is also arranged at the bottom of the distillation tank shell 1, fresh air can be provided for internal air suction of the distillation tank shell 1 during opening, air pressure balance is achieved, and the narrower and the downward valve pipe can reduce heat loss.
The mounting pad 201 is fixed on the top of the distillation tank shell 1, the first gear 207 is meshed with the second gear 209, one end of the air outlet pipe 206 away from the exhaust fan 202 is rotatably connected with the top end of the central shaft pipe 205, and the slow flow tank 301 is fixed on the top of the outer side of the distillation tank shell 1.
An air inlet pipe 204 is fixedly connected with an air inlet of the exhaust fan 202, and the air inlet pipe 204 penetrates through the mounting pad 201 and extends into the distillation tank shell 1.
Two circulating pipes 308 are fixedly connected to one side of the pre-cooling tank 302, the circulating pipes 308 are connected with an external heat pump, cooling liquid is filled in the pre-cooling tank 302, the top end of the spiral pipe 307 is fixedly connected with the exhaust pipe 304, the bottom end of the spiral pipe 307 extends into the slow flow tank 301, the external heat pump can realize circulation and cooling of the cooling liquid, the cooling liquid can cool gaseous methanol entering the spiral pipe 307 through heat conduction, so that partial liquefaction occurs,
The inside of the connecting shell 305 is fixedly connected with a cross fixing plate 309, the top of the cross fixing plate 309 is fixedly connected with a second motor 310, the output end of the second motor 310 is fixedly connected with a fan blade 311, the second motor 310 enables the fan blade 311 to rotate, and distilled methanol gas can be pumped out of the distillation tank shell 1 rapidly.
A support tube 306 extends through the top of the distillation tank shell 1 and is fixedly connected.
Before the methanol distillation kettle with the preheating and heat preservation functions is used, the whole condition of the device is required to be checked firstly to confirm that normal work can be carried out, according to the method shown in fig. 1-5, in the preheating process, the spiral heating pipe 102 heats air between the distillation tank shell 1 and the distillation inner tank 101, meanwhile, the distillation inner tank 101 heats up, the internal mixed liquor heats up, in the process, the exhaust fan 202 is started to suck heated hot air through the air inlet pipe 204, the heated hot air is sprayed out through the air outlet pipe 206 and is blown into the central shaft pipe 205, finally, the mixed liquor can be fully contacted with hot air through the air holes 211 on the central shaft pipe 205 and the stirring rod 210, the preheating and heating efficiency of the device are improved due to the accelerated heating of heat conduction, the distillation efficiency is improved, and the second gear 209 drives the first gear 207 to rotate, so that the central shaft pipe 205 drives the stirring rod 210 to move, and finally, the mixed liquor heats up more uniformly, and the distillation is more fully;
The fan blades 311 are rotated by starting the second motor 310, so that distilled methanol gas can be quickly pumped out of the distillation tank shell 1, and enters the spiral pipe 307 through the supporting pipe 306 and the exhaust pipe 304, and the cooling liquid can cool the gaseous methanol entering the inside of the spiral pipe 307 through heat conduction, so that partial liquefaction occurs, and the cooling liquid falls into the slow flow tank 301, is finally cooled and liquefied for the second time by a subsequent condensing device, so that the workload of subsequent equipment is reduced, and meanwhile, the liquefying and collecting efficiency of the gaseous methanol is improved;
and the heat pump realizes the cooling and rotary use of the cooling liquid through the circulating pipe 308, and realizes the recycling of waste heat
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The methanol distillation kettle with the preheating and heat preservation functions comprises a distillation kettle shell (1), wherein a distillation inner kettle (101) is fixedly arranged in the distillation kettle shell (1), and a spiral heating pipe (102) is fixedly arranged outside the distillation inner kettle (101);
Characterized by further comprising:
The top of distillation tank shell (1) is provided with circulation subassembly (2), circulation subassembly (2) are including mounting pad (201), the top fixedly connected with air exhauster (202) and bow member (203) of mounting pad (201), air outlet fixedly connected with air outlet pipe (206) of air exhauster (202), the middle part rotation of mounting pad (201) is connected with central shaft tube (205), central shaft tube (205) run through distillation tank shell (1) and stretch into distillation inner tank (101) inside, the top fixedly connected with driving motor (208) of bow member (203), the output fixedly connected with second gear (209) of driving motor (208), the outside fixedly connected with of central shaft tube (205) is a plurality of pairs of stirring rod (210), air vent (211) have been seted up to the outside of stirring rod (210) and central shaft tube (205), the top fixedly connected with first gear (207) of central shaft tube (205).
The distillation tank shell (1) is provided with a pre-condensation component (3) in the outer side, the pre-condensation component (3) comprises a slow flow tank (301), a pre-cooling tank (302) is fixedly connected to the top of the slow flow tank (301), an exhaust pipe (304) is fixedly connected to the top of the pre-cooling tank (302), a connecting shell (305) is fixedly connected to one end of the exhaust pipe (304) away from the pre-cooling tank (302), a supporting pipe (306) is fixedly connected to the bottom of the connecting shell (305), a spiral pipe (307) is arranged in the pre-cooling tank (302), and a liquid discharge pipe (303) is fixedly connected to the bottom of the slow flow tank (301).
2. The methanol still pot with the preheating and heat preservation functions according to claim 1, wherein the installation pad (201) is fixed at the top of the distillation pot shell (1), the first gear (207) is meshed with the second gear (209), one end of the air outlet pipe (206) far away from the exhaust fan (202) is rotatably connected with the top end of the central shaft pipe (205), and the slow flow pot (301) is fixed at the outer top of the distillation pot shell (1).
3. The methanol still with the preheating and heat preserving functions as set forth in claim 1, wherein an air inlet of the exhaust fan (202) is fixedly connected with an air inlet pipe (204), and the air inlet pipe (204) penetrates through the mounting pad (201) and extends into the distillation tank shell (1).
4. The methanol still with the preheating and heat preserving functions as set forth in claim 1, wherein two circulating pipes (308) are fixedly connected to one side of the pre-cooling tank (302), the circulating pipes (308) are connected with an external heat pump, and cooling liquid is filled in the pre-cooling tank (302).
5. The methanol still with the preheating and heat preserving functions as set forth in claim 1, wherein the top end of the spiral pipe (307) is fixedly connected with the exhaust pipe (304), and the bottom end of the spiral pipe (307) extends into the slow flow tank (301).
6. The methanol still with the preheating and heat preservation functions of claim 1, wherein a cross fixing plate (309) is fixedly connected to the inside of the connecting shell (305), a second motor (310) is fixedly connected to the top of the cross fixing plate (309), and a fan blade (311) is fixedly connected to the output end of the second motor (310).
7. The methanol still pot with the preheating and heat preserving functions as claimed in claim 5, wherein the supporting pipe (306) penetrates through the top of the distillation pot shell (1) and is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520274883.9U CN223995422U (en) | 2025-02-20 | 2025-02-20 | Methanol distillation still with preheating and heat preserving functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520274883.9U CN223995422U (en) | 2025-02-20 | 2025-02-20 | Methanol distillation still with preheating and heat preserving functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223995422U true CN223995422U (en) | 2026-03-17 |
Family
ID=99047204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520274883.9U Active CN223995422U (en) | 2025-02-20 | 2025-02-20 | Methanol distillation still with preheating and heat preserving functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223995422U (en) |
-
2025
- 2025-02-20 CN CN202520274883.9U patent/CN223995422U/en active Active
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