CN220657085U - Device based on concentrated ethanol solution of continuous membrane - Google Patents
Device based on concentrated ethanol solution of continuous membrane Download PDFInfo
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- CN220657085U CN220657085U CN202322166107.0U CN202322166107U CN220657085U CN 220657085 U CN220657085 U CN 220657085U CN 202322166107 U CN202322166107 U CN 202322166107U CN 220657085 U CN220657085 U CN 220657085U
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 239000012528 membrane Substances 0.000 title claims abstract description 73
- 239000007788 liquid Substances 0.000 claims abstract description 252
- 238000000926 separation method Methods 0.000 claims abstract description 63
- 239000012466 permeate Substances 0.000 claims abstract description 47
- 239000000047 product Substances 0.000 claims abstract description 42
- 239000012452 mother liquor Substances 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 14
- 239000010413 mother solution Substances 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 235000019441 ethanol Nutrition 0.000 description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- UEDUENGHJMELGK-HYDKPPNVSA-N Stevioside Chemical compound O([C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@]12C(=C)C[C@@]3(C1)CC[C@@H]1[C@@](C)(CCC[C@]1([C@@H]3CC2)C)C(=O)O[C@H]1[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O1)O)[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O UEDUENGHJMELGK-HYDKPPNVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229940013618 stevioside Drugs 0.000 description 1
- OHHNJQXIOPOJSC-UHFFFAOYSA-N stevioside Natural products CC1(CCCC2(C)C3(C)CCC4(CC3(CCC12C)CC4=C)OC5OC(CO)C(O)C(O)C5OC6OC(CO)C(O)C(O)C6O)C(=O)OC7OC(CO)C(O)C(O)C7O OHHNJQXIOPOJSC-UHFFFAOYSA-N 0.000 description 1
- 235000019202 steviosides Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Abstract
The utility model discloses a device for concentrating an ethanol solution based on a continuous membrane, which comprises an ethanol mother solution storage tank, wherein the ethanol mother solution storage tank is sequentially communicated with an evaporator, a superheater and a first gas membrane separation assembly through a preheater; the gas outlet on the interception side of the second gas membrane separation component is sequentially communicated with the first finished product condenser, the second finished product condenser and the liquid buffer tank through the preheater; the liquid buffer tank is communicated with the finished product tank through a first liquid outlet pipe; the liquid outlet and the gas outlet of the permeate condenser are respectively communicated with the permeate buffer tank and the tail gas condenser, and the liquid outlet of the tail gas condenser is communicated with the tail cold liquid buffer tank. The device has good separation effect and low energy consumption, can realize automatic discharging and increase productivity.
Description
Technical Field
The utility model relates to the technical field of solution concentration devices, in particular to a device for concentrating ethanol solution based on a continuous membrane.
Background
During the production process of stevioside, a large amount of absolute ethyl alcohol is consumed, a plurality of ethanol mother solutions are generated during the production, and the moisture in the ethanol mother solution is removed to obtain the absolute ethyl alcohol for reuse, so that the energy consumption can be greatly saved. At present, the rectification method is adopted to remove the water in the ethanol mother liquor, and the concentration of the obtained ethanol is only 95 percent. Membrane processes are techniques for separating and purifying a liquid or gas mixture using a selective membrane. These membranes have different pore sizes and chemical properties and can separate molecules and particles of different sizes. In the membrane method ethanol solution concentration process, water molecules are small and can pass through holes of the membrane, and ethanol molecules are larger and blocked by the membrane, so that the concentration of the ethanol solution is realized. At present, although the concentration device based on membrane separation can effectively separate water in ethanol solution, the whole process has high energy consumption, poor separation efficiency and high manual consumption.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects in the prior art, the device based on continuous membrane concentration of ethanol solution is provided, the separation effect of the device is good, the energy consumption is low, the automatic discharging can be realized, and the productivity is increased.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the device for concentrating the ethanol solution based on the continuous membrane comprises an ethanol mother solution storage tank, wherein the ethanol mother solution storage tank is communicated with an evaporator through a preheater; the gas outlet of the evaporator is communicated with the superheater, the gas outlet of the superheater is communicated with the first gas membrane separation assembly, the gas outlet of the interception side of the first gas membrane separation assembly is communicated with the second gas membrane separation assembly, and the gas outlet of the permeation side of the first gas membrane separation assembly and the gas outlet of the permeation side of the second gas membrane separation assembly are both communicated with the permeate condenser; the gas outlet on the interception side of the second gas membrane separation component is sequentially communicated with a first finished product condenser, a second finished product condenser and a liquid buffer tank through a preheater; the liquid outlet of the liquid buffer tank is communicated with the finished product tank through a first liquid outlet pipe; the liquid outlet of the permeate condenser is communicated with the permeate buffer tank, the gas outlet of the permeate condenser is communicated with the tail gas condenser through a vacuum pump, and the liquid outlet of the tail gas condenser is communicated with the tail cold liquid buffer tank.
As an improvement of the technical scheme, the first liquid outlet pipe is provided with a finished product pump, the liquid buffer tank is provided with a first liquid level sensor, and the finished product pump is interlocked with the first liquid level sensor.
As an improvement of the technical scheme, the first liquid outlet pipe is also respectively communicated with a first liquid separating pipe and a second liquid separating pipe, and the first liquid separating pipe and the second liquid separating pipe are respectively communicated with a finished product tank and an ethanol mother liquor storage tank; the liquid outlet pipe is provided with a mass flowmeter, the first liquid separating pipe and the second liquid separating pipe are respectively provided with a first liquid separating valve and a second liquid separating valve, and the mass flowmeter is respectively interlocked with the first liquid separating valve and the second liquid separating valve.
As an improvement of the technical scheme, a raw material pump is arranged on a connecting pipeline of the ethanol mother liquor storage tank and the preheater, a second liquid level sensor is arranged in the evaporator, a gas film regulating valve is arranged on an air inlet pipeline of the evaporator, and the second liquid level sensor is interlocked with the raw material pump and the gas film regulating valve.
As an improvement of the technical scheme, the pipelines of the first gas membrane separation assembly and the second gas membrane separation assembly are also provided with a heat supplementing device.
As the improvement of the technical scheme, the permeate buffer tank is further communicated with a second liquid outlet pipe, a first liquid outlet valve and a permeate pump are arranged on the second liquid outlet pipe, a third liquid level sensor is arranged on the permeate buffer tank, and the first liquid outlet valve and the permeate pump are respectively interlocked with the third liquid level sensor.
As a preferable mode of the above technical solution, the liquid outlet of the evaporator is communicated with a tail cold liquid buffer tank.
As the improvement of the technical scheme, the tail cold liquid buffer tank is provided with a fourth liquid level sensor, the tail cold liquid buffer tank is communicated with a third liquid outlet pipe, the third liquid outlet pipe is provided with a tail cold liquid pump and a second liquid outlet valve, and the fourth liquid level sensor is respectively interlocked with the tail cold liquid pump and the second liquid outlet valve.
As an improvement of the technical scheme, the drain outlets of the liquid buffer tank, the evaporator, the permeate buffer tank and the tail cold liquid tank are communicated with the waste liquid discharge pipe.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the utility model provides a device for concentrating an ethanol solution based on a continuous membrane, which comprises an ethanol mother solution storage tank, wherein the ethanol mother solution storage tank is communicated with an evaporator through a preheater; the gas outlet of the evaporator is communicated with the superheater, the gas outlet of the superheater is communicated with the first gas membrane separation assembly, the gas outlet of the interception side of the first gas membrane separation assembly is communicated with the second gas membrane separation assembly, and the gas outlet of the permeation side of the first gas membrane separation assembly and the gas outlet of the permeation side of the second gas membrane separation assembly are both communicated with the permeate condenser; the gas outlet on the interception side of the second gas membrane separation component is sequentially communicated with a first finished product condenser, a second finished product condenser and a liquid buffer tank through a preheater; the liquid outlet of the liquid buffer tank is communicated with the finished product tank through a first liquid outlet pipe; the liquid outlet of the permeate condenser is communicated with the permeate buffer tank, the gas outlet of the permeate condenser is communicated with the tail gas condenser through a vacuum pump, and the liquid outlet of the tail gas condenser is communicated with the tail cold liquid buffer tank. The device can preheat the ethanol mother liquor and then heat the ethanol mother liquor into gas through the evaporator, the superheater is heated again and then sequentially passes through the first gas separation membrane assembly and the second separation membrane assembly to separate ethanol from water, water vapor obtained through separation is condensed by the tail gas condenser and then enters the permeate buffer tank for storage, the obtained ethanol gas enters the preheater to be used as a heat exchange medium for heat exchange with the ethanol mother liquor, so that energy consumption is saved, and then sequentially passes through the first finished product condenser and the second finished product condenser to be condensed and then enters the finished product tank. The device is simple to operate, good in separation effect and low in energy consumption.
Be provided with the finished product pump on the first drain pipe of this device, be provided with first level sensor on the liquid buffer tank, the finished product pump with first level sensor is chain, when the liquid level in the liquid buffer tank reached certain height through first level sensor monitoring, the finished product pump was automatic to realize automatic ejection of compact. The first liquid outlet pipe of the device is also respectively communicated with a first liquid separating pipe and a second liquid separating pipe, and the first liquid separating pipe and the second liquid separating pipe are respectively communicated with a finished product tank and an ethanol mother liquor storage tank; the first liquid outlet pipe is provided with a mass flowmeter, the first liquid separating pipe and the second liquid separating pipe are respectively provided with a first liquid separating valve and a second liquid separating valve, and the mass flowmeter is respectively interlocked with the first liquid separating valve and the second liquid separating valve. When the ejection of compact, mass flowmeter detects liquid quality, and then first branch liquid valve is automatic opens after passing through, and in the product entered into the finished product jar, if disqualified then opened second branch liquid valve, the product entered into in the ethanol mother liquor storage tank and concentrated the processing again, and the automation of ejection of compact has not only been realized in above-mentioned setting, and can carry out strict control to product quality, improves concentration efficiency.
The ethanol mother liquor storage tank of this device is provided with the raw materials pump on the connecting tube of pre-heater, is provided with second level sensor in the evaporimeter, is provided with gas film governing valve on the admission line of evaporimeter, and second level sensor links with raw materials pump, gas film governing valve. The liquid level and the heating speed in the evaporator can be effectively adjusted by the aid of the device, so that the safety of the evaporation process is guaranteed.
The first gas membrane separation component and the second gas membrane separation component of the device are also provided with the heat complement device on the pipeline, and the heat complement device can further heat the gas and improve the separation efficiency.
The permeate buffer tank of the device is also communicated with a second liquid outlet pipe, a first liquid outlet valve and a permeate pump are arranged on the second liquid outlet pipe, a third liquid level sensor is arranged on the permeate buffer tank, and the first liquid outlet valve and the permeate pump are respectively interlocked with the third liquid level sensor. The tail cold liquid buffer tank is provided with a fourth liquid level sensor, the tail cold liquid buffer tank is communicated with a third liquid outlet pipe, the third liquid outlet pipe is provided with a tail cold liquid pump and a second liquid outlet valve, and the fourth liquid level sensor is respectively interlocked with the tail cold liquid pump and the second liquid outlet valve. The liquid level in the permeate buffer tank and the tail cold liquid buffer tank can be effectively monitored in real time, so that liquid in the tank is transferred out in time, the continuity of the concentration process of the ethanol solution is ensured, and the concentration efficiency is improved.
The liquid outlet of the evaporator of the device is communicated with the tail cold liquid buffer tank, and the high-concentration ethanol remained in the evaporator can be collected, recycled and utilized by the device, so that the energy consumption is reduced.
The drain of this device's liquid buffer tank, evaporimeter, infiltration liquid buffer tank, tail cold liquid jar communicates the waste liquid discharge pipe, and above-mentioned setting can be in time discharged the raffinate in the container through the waste liquid discharge pipe, guarantees the security of device.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;
in the figure, 1, an ethanol mother liquor storage tank; 2. a preheater; 3. an evaporator; 4. a superheater; 5. a first gas membrane separation assembly; 6. a second gas membrane separation assembly; 7. a permeate condenser; 8. a first finished product condenser; 9. a second product condenser; 10. a liquid buffer tank; 11. a first liquid outlet pipe; 12. a finished product tank; 13. a permeate buffer tank; 14. a vacuum pump; 15. a tail gas condenser; 16. a tail cold liquid buffer tank; 17. a finished product pump; 18. a first liquid level sensor; 19. a first liquid separation pipe; 20. a second liquid separation pipe; 21. a mass flowmeter; 22. a first liquid separating valve; 23. a second liquid separating valve; 24. a raw material pump; 25. a second liquid level sensor; 26. a gas film regulating valve; 27. a heat compensator; 28. a second liquid outlet pipe; 29. a first liquid outlet valve; 30. an osmotic pump; 31. a third liquid level sensor; 32. a fourth liquid level sensor; 33. a third liquid outlet pipe; 34. a tail cold-liquid pump; 35. a second liquid outlet valve; 36. a waste liquid discharge pipe.
Detailed Description
The utility model is further illustrated in the following, in conjunction with the accompanying drawings and examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Example 1
As shown in fig. 1, a device for concentrating an ethanol solution based on a continuous membrane comprises an ethanol mother solution storage tank 1, wherein the ethanol mother solution storage tank 1 is communicated with an evaporator 3 through a preheater 2; the gas outlet of the evaporator 3 is communicated with the superheater 4, the gas outlet of the superheater 4 is communicated with the first gas membrane separation assembly 5, the gas outlet on the interception side of the first gas membrane separation assembly 5 is communicated with the second gas membrane separation assembly 6, and the gas outlet on the passing side of the first gas membrane separation assembly 5 and the gas outlet on the passing side of the second gas membrane separation assembly 6 are both communicated with the permeate condenser 7; the gas outlet on the interception side of the second gas membrane separation component 6 is sequentially communicated with a first finished product condenser 8, a second finished product condenser 9 and a liquid buffer tank 10 through the preheater 2; the liquid outlet of the liquid buffer tank 10 is communicated with a finished product tank 12 through a first liquid outlet pipe 11; the liquid outlet of the permeate condenser 7 is communicated with the permeate buffer tank 13, the gas outlet of the permeate condenser 7 is communicated with the tail gas condenser 15 through the vacuum pump 14, and the liquid outlet of the tail gas condenser 15 is communicated with the tail cold liquid buffer tank 16.
During specific concentration, ethanol mother liquor is pumped into the preheater 2 for preheating and then enters the evaporator 3 for heating, ethanol and water become gas after heating, the discharged gas is further heated by the superheater 4 and then enters the first gas membrane separation assembly 5 for separation, and the difference of the sizes of water molecules and ethanol molecules is utilized, so that the water molecules smoothly pass through the membrane and permeate into the membrane tube, and the ethanol molecules are blocked outside the membrane, so that the ethanol and the water are separated, the macromolecular gas separated by the first gas membrane separation assembly 5 enters the second gas membrane separation assembly 6 for separation, and the obtained macromolecular gas enters the preheater 2 for heat exchange with the ethanol mother liquor as a heat exchange medium, and then enters the liquid buffer tank 10 after being condensed by the first finished product condenser 8 and the second finished product condenser 9 in sequence; the small molecular gas separated by the first gas membrane separation assembly 5 and the second gas membrane separation assembly 6 is condensed by the permeate condenser 7, the liquid obtained by condensation enters the permeate buffer tank 13, and the uncondensed gas enters the tail cold buffer tank 16 after being condensed by the tail gas condenser 15.
Further, the first liquid outlet pipe 11 is provided with a finished product pump 17, the liquid buffer tank 10 is provided with a first liquid level sensor 18, and the finished product pump 17 is interlocked with the first liquid level sensor 18. The first liquid outlet pipe 11 is also respectively communicated with a first liquid separating pipe 19 and a second liquid separating pipe 20, and the first liquid separating pipe 19 and the second liquid separating pipe 20 are respectively communicated with the finished product tank 12 and the ethanol mother liquid storage tank 1; the first liquid outlet pipe 11 is provided with a mass flowmeter 21, the first liquid separating pipe 19 and the second liquid separating pipe 20 are respectively provided with a first liquid separating valve 22 and a second liquid separating valve 23, and the mass flowmeter 21 is respectively interlocked with the first liquid separating valve 22 and the second liquid separating valve 23. During concentration, when the liquid level entering the liquid buffer tank 10 reaches a certain height under the monitoring of the first liquid level sensor 18, an external controller (not shown in the figure) can control to open the finished product pump 17, the quality of the liquid in the liquid buffer tank 10 is detected through the mass flowmeter 21, if the liquid is qualified, the first liquid separating valve 22 is opened, the liquid enters the finished product tank 12, if the liquid is unqualified, the second liquid separating valve 23 is opened, and the liquid is transferred into the ethanol mother liquid storage tank 1 for further concentration.
Further, a raw material pump 24 is arranged on a connecting pipeline between the ethanol mother liquid storage tank 1 and the preheater 2, a second liquid level sensor 25 is arranged in the evaporator 3, a gas film regulating valve 26 is arranged on an air inlet pipeline of the evaporator 3, and the second liquid level sensor 25 is interlocked with the raw material pump 24 and the gas film regulating valve 26. The setting of second level sensor 25 can carry out real-time supervision to the liquid level in the evaporimeter 3, prevents that the liquid level from too high, and liquid enters into in the first gas membrane separation subassembly 5. During concentration, if the liquid level in the evaporator 3 is too high, the external controller controls the raw material pump 24 to be closed to stop feeding, and simultaneously the pneumatic film regulating valve is regulated to be large, so that the flow rate of steam is accelerated, and the heat exchange efficiency in the evaporator 3 is improved; and if the liquid level of the evaporator 3 is too low, the external controller controls the starting material pump 24 to be started, and simultaneously the pneumatic film regulating valve is opened to be small, so that the heating speed of the feed liquid in the evaporator 3 is controlled.
Further, the pipelines of the first gas membrane separation assembly 5 and the second gas membrane separation assembly 6 are also provided with a heat compensator 27. The heat compensator 27 is arranged to heat the macromolecular gas separated by the first gas membrane separation assembly 5 and then enter the second gas membrane separation assembly 6 for separation, so that the separation effect is improved.
Further, the permeate buffer tank 13 is further connected to a second liquid outlet pipe 28, a first liquid outlet valve 29 and a permeate pump 30 are disposed on the second liquid outlet pipe 28, a third liquid level sensor 31 is disposed on the permeate buffer tank 13, and the first liquid outlet valve 29 and the permeate pump 30 are respectively interlocked with the third liquid level sensor 31. When the liquid level in the permeate buffer tank 13 reaches a certain height detected by the third liquid level sensor 31, the first liquid outlet valve 29 and the permeate pump 30 are controlled to be opened by the external controller, so that the liquid in the permeate buffer tank 13 is transferred.
Further, the liquid outlet of the evaporator 3 is communicated with a tail cold liquid buffer tank 16. When the device stops working, the liquid reserved in the evaporator 3 is high-concentration ethanol, and the high-concentration ethanol is transferred into the tail cold liquid tank for recycling.
Further, the tail cold liquid buffer tank 16 is provided with a fourth liquid level sensor 32, the tail cold liquid buffer tank 16 is communicated with a third liquid outlet pipe 33, the third liquid outlet pipe 33 is provided with a tail cold liquid pump 34 and a second liquid outlet valve 35, and the fourth liquid level sensor 32 is respectively interlocked with the tail cold liquid pump 34 and the second liquid outlet valve 35. When the liquid level in the tail cold liquid buffer tank 16 reaches a certain height detected by the fourth liquid level sensor 32, the second liquid outlet valve 35 and the tail cold liquid pump 34 are controlled to be opened by the external controller, so that the liquid in the tail cold liquid buffer tank 16 is transferred out.
As an improvement of the above technical solution, the drain outlets of the liquid buffer tank 10, the evaporator 3, the permeate buffer tank 13 and the tail cold liquid buffer tank 16 are communicated with a waste liquid discharge pipe 36. When the device is not in use, residual liquid can be remained in the liquid buffer tank 10, the evaporator 3, the permeate buffer tank 13 and the tail cold liquid buffer tank 16, and the residual liquid can be discharged through the waste liquid discharge pipe 36 in time.
Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.
Claims (9)
1. The utility model provides a device based on concentrated ethanol solution of continuous membrane, includes ethanol mother liquor storage tank, its characterized in that: the ethanol mother liquor storage tank is communicated with an evaporator through a preheater; the gas outlet of the evaporator is communicated with the superheater, the gas outlet of the superheater is communicated with the first gas membrane separation assembly, the gas outlet of the interception side of the first gas membrane separation assembly is communicated with the second gas membrane separation assembly, and the gas outlet of the permeation side of the first gas membrane separation assembly and the gas outlet of the permeation side of the second gas membrane separation assembly are both communicated with the permeate condenser; the gas outlet on the interception side of the second gas membrane separation component is sequentially communicated with a first finished product condenser, a second finished product condenser and a liquid buffer tank through a preheater; the liquid outlet of the liquid buffer tank is communicated with the finished product tank through a first liquid outlet pipe; the liquid outlet of the permeate condenser is communicated with the permeate buffer tank, the gas outlet of the permeate condenser is communicated with the tail gas condenser through a vacuum pump, and the liquid outlet of the tail gas condenser is communicated with the tail cold liquid buffer tank.
2. The continuous membrane-based ethanol solution concentrating apparatus according to claim 1, wherein: the liquid buffer tank is provided with a first liquid level sensor, and the finished product pump is interlocked with the first liquid level sensor.
3. The continuous membrane-based ethanol solution concentrating apparatus according to claim 1, wherein: the first liquid outlet pipe is also respectively communicated with a first liquid separation pipe and a second liquid separation pipe, and the first liquid separation pipe and the second liquid separation pipe are respectively communicated with a finished product tank and an ethanol mother liquor storage tank; the liquid outlet pipe is provided with a mass flowmeter, the first liquid separating pipe and the second liquid separating pipe are respectively provided with a first liquid separating valve and a second liquid separating valve, and the mass flowmeter is respectively interlocked with the first liquid separating valve and the second liquid separating valve.
4. The continuous membrane-based ethanol solution concentrating apparatus according to claim 1, wherein: the ethanol mother liquor storage tank is provided with a raw material pump on a connecting pipeline of the preheater, a second liquid level sensor is arranged in the evaporator, a gas film regulating valve is arranged on an air inlet pipeline of the evaporator, and the second liquid level sensor is interlocked with the raw material pump and the gas film regulating valve.
5. The continuous membrane-based ethanol solution concentrating apparatus according to claim 1, wherein: and a heat compensator is further arranged on the pipeline of the first gas membrane separation assembly and the pipeline of the second gas membrane separation assembly.
6. The continuous membrane-based ethanol solution concentrating apparatus according to claim 1, wherein: the second liquid outlet pipe is further communicated with the permeate buffer tank, a first liquid outlet valve and a permeate pump are arranged on the second liquid outlet pipe, a third liquid level sensor is arranged on the permeate buffer tank, and the first liquid outlet valve and the permeate pump are respectively interlocked with the third liquid level sensor.
7. The continuous membrane-based ethanol solution concentrating apparatus according to claim 1, wherein: and a liquid outlet of the evaporator is communicated with the tail cold liquid buffer tank.
8. The continuous membrane-based ethanol solution concentrating apparatus according to claim 1, wherein: the tail cold liquid buffer tank is provided with a fourth liquid level sensor, the tail cold liquid buffer tank is communicated with a third liquid outlet pipe, the third liquid outlet pipe is provided with a tail cold liquid pump and a second liquid outlet valve, and the fourth liquid level sensor is respectively interlocked with the tail cold liquid pump and the second liquid outlet valve.
9. The continuous membrane-based ethanol solution concentrating apparatus according to claim 1, wherein: and the drain outlet of the liquid buffer tank, the evaporator, the penetrating fluid buffer tank and the tail cold fluid buffer tank is communicated with a waste liquid discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322166107.0U CN220657085U (en) | 2023-08-11 | 2023-08-11 | Device based on concentrated ethanol solution of continuous membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322166107.0U CN220657085U (en) | 2023-08-11 | 2023-08-11 | Device based on concentrated ethanol solution of continuous membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220657085U true CN220657085U (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322166107.0U Active CN220657085U (en) | 2023-08-11 | 2023-08-11 | Device based on concentrated ethanol solution of continuous membrane |
Country Status (1)
| Country | Link |
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| CN (1) | CN220657085U (en) |
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2023
- 2023-08-11 CN CN202322166107.0U patent/CN220657085U/en active Active
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