CN214913462U - Distillation equipment - Google Patents
Distillation equipment Download PDFInfo
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- CN214913462U CN214913462U CN202021652781.XU CN202021652781U CN214913462U CN 214913462 U CN214913462 U CN 214913462U CN 202021652781 U CN202021652781 U CN 202021652781U CN 214913462 U CN214913462 U CN 214913462U
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- 238000004821 distillation Methods 0.000 title claims abstract description 94
- 239000000463 material Substances 0.000 claims abstract description 114
- 239000007788 liquid Substances 0.000 claims abstract description 80
- 238000004321 preservation Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 description 46
- 239000007789 gas Substances 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000011010 flushing procedure Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 238000011084 recovery Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The disclosed embodiment provides a distillation apparatus. A distillation apparatus comprising: a first storage tank; the top of the distillation reaction kettle is provided with a first material port and a second material port, and the first material port is connected with the first storage tank through a pipeline; the top of the heat-preservation buffer tank is provided with a third material port and a fourth material port, and the bottom of the heat-preservation buffer tank is provided with a fifth material port; the first valve is arranged on a pipeline connecting the second material port and the third material port, and the second valve is arranged on a pipeline connecting the second material port and the fifth material port; the top of the second storage tank is provided with a sixth material port; the first condenser is arranged on a pipeline connecting the fourth material port and the sixth material port; and the liquid level detection device is used for detecting the liquid level of the liquid in the heat preservation buffer tank.
Description
Technical Field
The disclosure relates to the technical field of pharmaceutical chemical equipment, in particular to distillation equipment.
Background
Distillation is a thermodynamic separation process that utilizes the difference in boiling points of components in a mixed liquid or liquid-solid system to vaporize lower boiling components and recondense to separate the entire components, a combination of both vaporization and condensation. Compared with other separation means, such as extraction, filtration crystallization and the like, the method has the advantage that other solvents except system components are not required, so that new impurities are not introduced.
In the production of pharmaceutical chemical raw materials, in order to improve the product quality and reduce the production cost, the distillation and recovery of a solvent are often involved, the purposes of solvent removal and solvent recovery are achieved by utilizing a normal pressure or reduced pressure distillation mode, but in the actual operation process, the flushing phenomenon easily occurs in the distillation process due to the characteristics of the solvent, namely, in the distillation process, the solvent is flushed out of a reaction container due to the reasons of temperature rise, violent reaction or too fast gas generation inside the reaction container and the like, the solvent loss is caused or the recovered solvent finished product is polluted, and the production efficiency is greatly influenced.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the present disclosure is to provide a distillation apparatus, so as to solve the problem of distillation and material flushing in production. The specific aspects are as follows:
a distillation apparatus comprising:
a first storage tank;
the top of the distillation reaction kettle is provided with a first material port and a second material port, and the first material port is connected with the first storage tank through a pipeline;
the top of the heat-preservation buffer tank is provided with a third material port and a fourth material port, and the bottom of the heat-preservation buffer tank is provided with a fifth material port;
the first valve is arranged on a pipeline connecting the second material port and the third material port, and the second valve is arranged on a pipeline connecting the second material port and the fifth material port;
the top of the second storage tank is provided with a sixth material port;
the first condenser is arranged on a pipeline connecting the fourth material port and the sixth material port;
the liquid level detection device is used for detecting the liquid level of the liquid in the heat preservation buffer tank;
when the liquid level of the liquid in the heat preservation buffer tank is smaller than the liquid level threshold value, closing the second valve and opening the first valve;
and when the liquid level of the liquid in the heat preservation buffer tank is not less than the liquid level threshold value, the first valve and the second valve are opened.
In some embodiments, a seventh material port is arranged at the bottom of the first storage tank;
the distillation apparatus further comprises: the third valve, the diaphragm pump and the flowmeter are arranged on a pipeline connected between the seventh material port and the first material port, and the third valve, the diaphragm pump and the flowmeter are sequentially arranged in the direction away from the seventh material port.
In some embodiments, the distillation apparatus further comprises at least one of:
the thermometer is used for detecting the temperature of liquid in the distillation reaction kettle;
the stirrer is used for stirring the liquid in the distillation reaction kettle;
and the pressure gauge is used for detecting the pressure in the distillation reaction kettle.
In some embodiments, the top of the second storage tank is further provided with an eighth material port, and the bottom of the second storage tank is further provided with a ninth material port;
the distillation apparatus further comprises: the setting is in the connection circulating pump and fourth valve on the pipeline between the eighth material mouth with the ninth material mouth, the circulating pump is compared the fourth valve is closer to the ninth material mouth.
In some embodiments, the bottom of the second storage tank is further provided with a tenth material port;
the distillation apparatus further comprises: the standby pipeline is connected with the tenth material port, and the fifth valve is arranged on the standby pipeline.
In some embodiments, the top of the second storage tank is further provided with an eleventh material port;
the distillation apparatus further comprises: and the gas storage tank is arranged at the other end of the pipeline connected with the eleventh material port.
In some embodiments, the gas holder is provided with a twelfth material port at the top;
the distillation apparatus further comprises: the sixth valve, the vacuum pump and the second condenser are arranged on a pipeline connected between the eleventh material port and the twelfth material port, and the sixth valve, the vacuum pump and the second condenser are sequentially arranged along the direction far away from the eleventh material port.
In some embodiments, the distillation apparatus further comprises a vent valve disposed at the top of the holding buffer tank.
In some embodiments, the liquid level detection device comprises a display screen for displaying liquid level information.
In some embodiments, the distillation apparatus further comprises a controller electrically connected to the liquid level detection device, the first valve, and the second valve for
When the liquid level of the liquid in the heat preservation buffer tank is smaller than the liquid level threshold value, closing the second valve and opening the first valve;
and when the liquid level of the liquid in the heat preservation buffer tank is not less than the liquid level threshold value, the first valve and the second valve are opened.
The distillation equipment that this disclosed embodiment provided, in ordinary pressure or vacuum distillation process, when taking place towards the material phenomenon, when the liquid level of the liquid in the heat preservation buffer tank is not less than the liquid level threshold value, under the circumstances that first valve was opened, open the second valve, make the liquid in the heat preservation buffer tank flow out from the fifth material mouth, via pipeline and the second valve that has opened, flow back to the distillation reation kettle from the second material mouth, thereby can effectively prevent distillation solvent towards the material, reduce the pollution of solvent loss and recovery solvent, promote workshop production efficiency, reduce the emission of waste gas among the recovery process simultaneously, and can effectively avoid the emergence of the incident that dashes the material and arouse.
Of course, not all advantages described above need to be achieved at the same time to practice any one product or method of the present disclosure.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the related art, the drawings used in the description of the embodiments of the present disclosure or the related art are briefly introduced below. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other embodiments may be devised by those skilled in the art without the use of inventive faculty.
Fig. 1 is a front view of a distillation apparatus according to some embodiments of the present disclosure.
Fig. 2 is a schematic diagram of one mode of operation of a distillation apparatus according to some embodiments of the present disclosure.
FIG. 3 is a schematic diagram of another mode of operation of a distillation apparatus according to some embodiments of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The utility model provides a distillation plant, this distillation plant can solve the distillation that exists and dash the material problem in the production to reduce the pollution of solvent loss and recovery solvent, and can promote production efficiency, reduce the emergence of incident.
In the embodiments of the present disclosure, the descriptions about the orientation such as "top", "bottom", "between", "far away", "near", etc. are all referred to the general use state of the distillation apparatus.
As shown in fig. 1, some embodiments of the present disclosure provide a distillation apparatus 100 comprising:
a first storage tank 11;
the top of the distillation reaction kettle 20 is provided with a first material port 701 and a second material port 702, and the first material port 701 is connected with the first storage tank 11 through a pipeline;
the top of the heat-preservation buffer tank 30 is provided with a third material port 703 and a fourth material port 704, and the bottom is provided with a fifth material port 705;
a first valve 81 and a second valve 82 which are arranged in parallel, wherein the first valve 81 is arranged on a pipeline connecting the second material port 702 and the third material port 703, and the second valve 82 is arranged on a pipeline connecting the second material port 702 and the fifth material port 705;
a sixth material port 706 is arranged at the top of the second storage tank 12;
a first condenser 41 disposed on a pipeline connecting the fourth port 704 and the sixth port 706;
a liquid level detection device 31 for detecting the liquid level of the liquid in the heat-insulating buffer tank 30;
when the liquid level of the liquid in the heat preservation buffer tank 30 is smaller than the liquid level threshold, closing the second valve 82 and opening the first valve 81;
when the liquid level of the liquid in the heat preservation buffer tank 30 is not less than the liquid level threshold value, the first valve 81 and the second valve 82 are opened.
When the distillation apparatus 100 according to the embodiment of the present disclosure operates under normal pressure or reduced pressure, as shown in fig. 2, a solvent to be treated in the first storage tank 11 is introduced into the distillation reactor 20 from the first feed port 701, the solvent is heated and boiled in the distillation reactor 20 to generate vapor, the generated vapor is discharged from the second feed port 702, and is introduced into the thermal insulation buffer tank 30 from the third feed port 703 via a pipeline and the opened first valve 81, then, the vapor is discharged from the fourth feed port 704 of the thermal insulation buffer tank 30 and is introduced into the first condenser 41, the first condenser 41 cools and condenses the vapor into liquid, and the liquid is introduced into the second storage tank 12 from the sixth feed port 706, where the liquid is the recovered solvent.
When the distillation apparatus 100 of the embodiment of the present disclosure operates under normal pressure or reduced pressure, as shown in fig. 3, the solvent to be treated in the first storage tank 11 is introduced into the distillation reactor 20 from the first inlet 701, the solvent is heated and boiled in the distillation reactor 20, during the heating process, the solvent causes a flushing phenomenon due to temperature rise, reaction fierce or too fast internal gas generation, and the generated vapor and the boiling solvent are flushed out from the second outlet 702, and are introduced into the thermal insulation buffer tank 30 from the third outlet 703 via the pipeline and the opened first valve 81, and due to the flushing phenomenon, the liquid in the thermal insulation buffer tank 30 is continuously increased and the liquid level rises, when the liquid level is not less than the liquid level threshold, and when the first valve 81 is opened, the second valve 82 is opened, so that the liquid in the thermal insulation buffer tank 30 flows out from the fifth 705, and flows out via the pipeline and the opened second valve 82, flows back to the distillation reaction kettle 20 from the second material port 702, thereby buffering the material flushing phenomenon in the distillation reaction kettle 20. Therefore, the solvent loss caused by the material flushing phenomenon can be obviously reduced, the pollution to the recovered solvent is reduced, and the safety accident caused by material flushing can be effectively avoided.
In the present disclosure, the liquid level threshold is a maximum liquid level limit value of the liquid that can be retained in the heat preservation buffer tank 30 under the condition that a danger caused by a material flushing problem can be avoided, which is set in the liquid level detection device 31 according to an actual production situation.
In some embodiments of the present disclosure, the bottom of the first storage tank 11 is provided with a seventh material port 707; the distillation apparatus 100 further comprises: and a third valve 83, a diaphragm pump 61 and a flow meter 62 which are arranged on a pipeline connecting the seventh material port 707 and the first material port 701, wherein the third valve 83, the diaphragm pump 61 and the flow meter 62 are arranged in sequence along a direction far away from the seventh material port 707.
In some embodiments of the present disclosure, the solvent to be treated in the first storage tank 11 flows out from the seventh material port 707, and is introduced into the distillation reactor 20 from the first material port 701 via a pipeline, the opened third valve 83, the diaphragm pump 61 and the flow meter 62 to perform a distillation reaction, wherein the diaphragm pump 61 is used to pump out the solvent in the first storage tank 11 and then introduce the solvent into the distillation reactor 20, and the flow meter 62 can facilitate an operator to read the flow rate of the solvent during the operation of the distillation apparatus 100, so that the opening of the third valve 83 can be selectively closed or manually adjusted according to actual production needs to control the flow rate of the solvent to be treated into the distillation reactor 20.
In some embodiments of the present disclosure, the distillation apparatus 100 comprises at least one of: a thermometer 21, a stirrer 22 and a pressure gauge 23.
In the present disclosure, a thermometer 21 for detecting the temperature of the liquid inside the distillation reaction kettle 20; a stirrer 22 for stirring the liquid in the distillation reaction kettle 20; and the pressure gauge 23 is used for detecting the pressure in the distillation reaction kettle 20.
In some embodiments of the present disclosure, the top of the second storage tank 12 is further provided with an eighth material port 708, and the bottom is further provided with a ninth material port 709; the distillation apparatus 100 further comprises: a circulation pump 63 and a fourth valve 84 disposed on a pipeline connecting the eighth port 708 and the ninth port 709, wherein the circulation pump 63 is closer to the ninth port 709 than the fourth valve 84.
The treated solvent in the second storage tank 12 is pumped out by the circulation pump 63, and the solvent flows out from the ninth port 709, passes through the pipeline, the circulation pump 63 and the opened fourth valve 84, and flows back to the second storage tank 12 from the eighth port 708. Because the solvent components are different at different distillation stages, the treated solvent introduced into the second storage tank 12 from the sixth material port 706 is prone to layering and non-uniformity, and through the design, the solvent in the second storage tank 12 can be kept in a fully and uniformly mixed state by utilizing the circulation process of the circulating pump 63 along with the occurrence of distillation reaction, so that the phenomenon that the treated solvent in the second storage tank 12 is layered and non-uniform can be avoided.
In some embodiments of the present disclosure, the bottom of the second storage tank 12 is further provided with a tenth material port 710; the distillation apparatus 100 further comprises: a spare line 90 connected to the tenth port 710, and a fifth valve 85 provided on the spare line 90. In some embodiments of the present disclosure, during the operation of the distillation apparatus 100, when an operator needs to sample and detect the processed solvent in the second storage tank 12, the fifth valve 85 is opened to sample, and after the sampling is finished, the fifth valve 85 is closed. When the distillation reaction of the distillation apparatus 100 is finished, the solvent in the second storage tank 12 is treated to meet the production requirement, and the fifth valve 85 may be opened, so that the solvent in the second storage tank 12 flows out from the tenth material port 710 and is introduced into the container for holding the recovered solvent through the standby pipeline 90.
In some embodiments of the present disclosure, the top of the second storage tank 12 is further provided with an eleventh material port 711; the distillation apparatus 100 further comprises: and an air tank 50 provided at the other end of the pipe connected to the eleventh port 711.
In some embodiments of the present disclosure, after the gas generated by the distillation reaction passes through the first condenser 41, a part of the gas is not cooled and solidified into a liquid, the part of the gas is introduced into the second storage tank 12 to become an exhaust gas, the exhaust gas is discharged from the eleventh material port 711 and introduced into the gas storage tank 50, and the gas storage tank 50 is a sealed tank, so that the exhaust gas is prevented from being discharged into the atmosphere and polluting the atmosphere, thereby achieving an environmental protection effect.
In some embodiments of the present disclosure, the gas holder 50 is provided with a twelfth material opening 712 at the top; the distillation apparatus 100 further comprises: a sixth valve 86, a vacuum pump 64, and a second condenser 42 provided on a pipe connecting the eleventh port 711 and the twelfth port 712, wherein the sixth valve 86, the vacuum pump 64, and the second condenser 42 are sequentially provided in a direction away from the eleventh port 711.
In some embodiments of the present disclosure, when the exhaust gas in the second storage tank 12 gradually increases along with the distillation reaction, and the pressure in the second storage tank 12 gradually increases, the vacuum pump 64 disposed on the pipeline may pump out the exhaust gas in the second storage tank 12, so as to achieve the effect of reducing the pressure in the second storage tank 12, the exhaust gas is pumped out by the vacuum pump 64, and after passing through the second condenser 42, the exhaust gas is introduced into the airtight gas storage tank 50, so as to achieve the effect of recovering the exhaust gas, avoid the exhaust gas from being discharged into the atmosphere, cause pollution to the atmosphere, and achieve the environmental protection effect.
In the present disclosure, the first condenser 41 and the second condenser 42 may be different, wherein, after the solvent in the distillation reaction kettle 20 is heated, the low boiling point component is first changed into vapor from the solvent, the vapor is passed into the first condenser 41, cooled and condensed into liquid, and passed into the second storage tank 12, so as to achieve the effect of solvent recovery, and therefore, the working temperature of the first condenser 41 may be set to the critical temperature of the solvent component to be recovered. The vapor is mixed with a part of solvent components which do not belong to the solvent components to be recovered, the mixed vapor is still introduced into the second storage tank 12 in a gas form after passing through the first condenser 41 to become waste gas, the part of waste gas is extracted by the vacuum pump 64 and is introduced into the second condenser 42 through a pipeline, and an operator sets the second condenser 42 to be at a critical temperature and medium different from those of the first condenser 41 according to the actual production condition, so that the waste gas can be cooled and condensed into liquid and is introduced into the closed gas storage tank 50 together with other uncooled and solidified waste gas.
In some embodiments of the present disclosure, the distillation apparatus 100 further comprises a vent valve (not shown) disposed at the top of the holding buffer tank 30. When the material flushing phenomenon occurs and the pressure in the heat-preservation buffer tank 30 is continuously increased, so that the liquid in the heat-preservation buffer tank 30 cannot flow back into the distillation reaction kettle 20 from the second material port 702, the exhaust valve is opened, the pressure in the heat-preservation buffer tank 30 is reduced, and the liquid in the heat-preservation buffer tank 30 flows back into the distillation reaction kettle 20, so that the material flushing phenomenon is relieved.
In some embodiments of the present disclosure, the liquid level detection device 31 comprises a display screen for displaying liquid level information. Can make things convenient for operating personnel to monitor the liquid level in the buffer tank 30 that keeps warm at any time to according to the actual production condition, the aperture size of manual regulation second valve 82 at any time prevents the emergence of dashing the material then.
In some embodiments of the present disclosure, the distillation apparatus 100 further comprises a controller electrically connected to the liquid level detection device 31, the first valve 81 and the second valve 82, and configured to close the second valve 82 and open the first valve 81 when the liquid level of the liquid in the thermal insulation buffer tank 30 is less than a liquid level threshold; when the liquid level of the liquid in the heat preservation buffer tank 30 is not less than the liquid level threshold value, the first valve 81 and the second valve 82 are opened. Through such design, can reduce operating personnel's work load, avoid the error of manual operation, make distillation reaction better, more convenient going on.
In the present disclosure, the third valve 83, the fourth valve 84, the fifth valve 85, and the sixth valve 86 may also be electrically connected to the controller for further automatic control.
In conclusion, by using the distillation equipment provided by the embodiment of the disclosure, in the normal pressure or reduced pressure distillation process, the phenomenon of flushing the distilled solvent can be effectively prevented, the loss of the solvent and the pollution of the recovered solvent are reduced, the production efficiency is improved, meanwhile, the emission of waste gas in the recovery process is reduced, the pollution to the environment is reduced, and the safety accident caused by flushing is effectively avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. The above description is only for the preferred embodiment of the present disclosure, and is not intended to limit the scope of the present disclosure. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure are included in the scope of protection of the present disclosure.
Claims (10)
1. A distillation apparatus, comprising:
a first storage tank;
the top of the distillation reaction kettle is provided with a first material port and a second material port, and the first material port is connected with the first storage tank through a pipeline;
the top of the heat-preservation buffer tank is provided with a third material port and a fourth material port, and the bottom of the heat-preservation buffer tank is provided with a fifth material port;
the first valve is arranged on a pipeline connecting the second material port and the third material port, and the second valve is arranged on a pipeline connecting the second material port and the fifth material port;
the top of the second storage tank is provided with a sixth material port;
the first condenser is arranged on a pipeline connecting the fourth material port and the sixth material port;
the liquid level detection device is used for detecting the liquid level of the liquid in the heat preservation buffer tank;
when the liquid level of the liquid in the heat preservation buffer tank is smaller than the liquid level threshold value, closing the second valve and opening the first valve;
and when the liquid level of the liquid in the heat preservation buffer tank is not less than the liquid level threshold value, the first valve and the second valve are opened.
2. Distillation apparatus according to claim 1,
a seventh material port is formed in the bottom of the first storage tank;
the distillation apparatus further comprises: the third valve, the diaphragm pump and the flowmeter are arranged on a pipeline connected between the seventh material port and the first material port, and the third valve, the diaphragm pump and the flowmeter are sequentially arranged in the direction away from the seventh material port.
3. The distillation apparatus of claim 1, further comprising at least one of:
the thermometer is used for detecting the temperature of liquid in the distillation reaction kettle;
the stirrer is used for stirring the liquid in the distillation reaction kettle;
and the pressure gauge is used for detecting the pressure in the distillation reaction kettle.
4. Distillation apparatus according to claim 1,
the top of the second storage tank is also provided with an eighth material port, and the bottom of the second storage tank is also provided with a ninth material port;
the distillation apparatus further comprises: the setting is in the connection circulating pump and fourth valve on the pipeline between the eighth material mouth with the ninth material mouth, the circulating pump is compared the fourth valve is closer to the ninth material mouth.
5. Distillation apparatus according to claim 1,
a tenth material port is also formed in the bottom of the second storage tank;
the distillation apparatus further comprises: the standby pipeline is connected with the tenth material port, and the fifth valve is arranged on the standby pipeline.
6. Distillation apparatus according to claim 1,
the top of the second storage tank is also provided with an eleventh material port;
the distillation apparatus further comprises: and the gas storage tank is arranged at the other end of the pipeline connected with the eleventh material port.
7. Distillation apparatus according to claim 6,
the top of the gas storage tank is provided with a twelfth material port;
the distillation apparatus further comprises: the sixth valve, the vacuum pump and the second condenser are arranged on a pipeline connected between the eleventh material port and the twelfth material port, and the sixth valve, the vacuum pump and the second condenser are sequentially arranged along the direction far away from the eleventh material port.
8. The distillation apparatus of claim 1, further comprising a vent valve disposed at a top of the holding buffer tank.
9. A distillation apparatus according to any of claims 1-8, wherein the liquid level detection means comprises a display screen for displaying liquid level information.
10. The distillation apparatus of claim 9, further comprising a controller electrically connected to the liquid level detection device, the first valve, and the second valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652781.XU CN214913462U (en) | 2020-08-11 | 2020-08-11 | Distillation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652781.XU CN214913462U (en) | 2020-08-11 | 2020-08-11 | Distillation equipment |
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| Publication Number | Publication Date |
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| CN214913462U true CN214913462U (en) | 2021-11-30 |
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| CN202021652781.XU Active CN214913462U (en) | 2020-08-11 | 2020-08-11 | Distillation equipment |
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| CN (1) | CN214913462U (en) |
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