CN114214161A - Energy-saving distillation device and distillation method for white spirit - Google Patents
Energy-saving distillation device and distillation method for white spirit Download PDFInfo
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Abstract
The invention discloses an energy-saving distillation device and a distillation method for white spirit, wherein the device comprises a distillation retort, an evaporator, a condenser, a cooler, a wine receiving tank, a cooling water storage tank and a vapor compressor; the materials in the distillation retort are heated and boiled to generate wine vapor, the wine vapor exchanges heat with cooling water through an evaporator, most of the wine vapor is condensed, condensate enters a cooler to be cooled to normal temperature, the wine vapor which is not condensed in the evaporator is condensed through a condenser, then enters the cooler to be cooled to normal temperature wine liquid, and finally enters a wine receiving tank; cooling water outlets of the cooler and the condenser finally flow to a cooling water storage tank; and the cooling water of the cooling water storage tank flows into the evaporator. The invention uses the wine vapor in the distillation process to exchange heat with cooling water to generate secondary vapor, the secondary vapor is compressed by a vapor compressor and then returns to the retort for use, the latent heat of the wine vapor can be recovered by more than 95 percent, the energy consumption of distillation can be greatly reduced, and the consumption of the cooling water can be greatly reduced.
Description
Technical Field
The invention belongs to the field of energy-saving waste heat utilization equipment, and particularly relates to an energy-saving distillation device and a distillation method for white spirit.
Background
At present, the unit energy consumption of Chinese liquor production is high. White spirit stills or solid-state stills used by many white spirit enterprises use steam or open fire to heat materials to boil to generate spirit vapor, and the spirit vapor is condensed and cooled into normal-temperature spirit through a condenser and a cooler, so that not only is energy consumption large, but also a large amount of low-grade hot water is generated in the process. These low-grade hot water are difficult to utilize. At present, many enterprises directly discharge the hot water or use a water cooling tower for cooling and then recycle the hot water, and the process additionally consumes electric energy. Therefore, the improvement of energy conservation and emission reduction related to liquor distillation is imminent.
Disclosure of Invention
The invention aims to provide an energy-saving white spirit distillation device and a distillation method, so as to reduce energy consumption in the white spirit distillation process.
The purpose of the invention is realized by the following technical scheme:
a white spirit distillation device comprises a distillation retort, an evaporator, a condenser, a cooler, a spirit collection tank, a cooling water storage tank and a vapor compressor;
the materials in the distillation retort are heated and boiled to generate wine vapor, the wine vapor exchanges heat with cooling water through an evaporator, most of the wine vapor is condensed, condensate enters a cooler to be cooled to normal temperature, the wine vapor which is not condensed in the evaporator is condensed through a condenser, then enters the cooler to be cooled to normal temperature wine liquid, and finally enters a wine receiving tank;
the evaporator adopts a horizontal tube evaporator, cooling water submerges the horizontal tube, wine vapor flows in the tube, and the wine vapor exchanges heat with the cooling water when passing through the horizontal tube.
The cooler and the condenser are both provided with cooling water inlets and outlets, the cooling water inlets are formed in the bottoms of the cooler and the condenser, the cooling water outlets are formed in the tops of the cooler and the condenser, the direction of the cooling water is opposite to that of the wine liquid (wine vapor), and the cooling water absorbs the waste heat of the wine liquid (wine vapor) while the condensation cooling effect is realized;
cooling water outlets of the cooler and the condenser finally flow to a cooling water storage tank;
preferably, a cooling water outlet of the cooler is communicated with a cooling water inlet of the condenser, so that the cooling water subjected to primary heat exchange further absorbs the waste heat of the wine vapor in the condenser;
cooling water in the cooling water storage tank flows into the evaporator, and the cooling water and the wine vapor exchange heat and evaporate in the evaporator to form water vapor;
the pipeline between the evaporator and the distillation retort is provided with a steam compressor, negative pressure is formed in the pipeline between the evaporator and the steam compressor and the inside of the evaporator under the suction of the steam compressor, when the pressure in the steam device is reduced to the pressure corresponding to the boiling of water at the temperature, high-temperature cooling water in the evaporator is boiled to form steam which is pumped into the steam compressor, and the compressor compresses and heats the steam and then flows to the distillation retort, so that the aim of heating the distillation retort by using the waste heat of wine liquid (wine steam) is indirectly achieved, and the energy-saving effect is realized;
the vapor compressor can be a one-stage vapor compressor or a two-stage vapor compressor, and is determined according to the temperature of cooling water in the evaporator;
if two-stage steam compressors are adopted, the two-stage steam compressors are preferably connected in series, frequency conversion control is adopted, temperature and pressure sensors are arranged at the inlet and the outlet of each steam compressor, an anti-surge system is arranged, and interstage water spray is arranged at the outlets of the first-stage steam compressor and the second-stage steam compressor, so that overheating can be eliminated.
The principle of the invention is as follows: the material of the distillation retort generates wine vapor after being heated and boiled, the wine vapor enters the evaporator to indirectly exchange heat with cooling water, the evaporator forms negative pressure under the suction action of the steam compressor, high-temperature cooling water in the evaporator is heated and boiled by the wine vapor to generate water vapor, the water vapor forms 22-32 kpa low-pressure steam through the compression of the steam compressor, the low-pressure steam is directly injected into the distillation retort to heat the material, and the material in the retort is continuously boiled to generate the wine vapor. And the wine vapor enters the evaporator to exchange heat with cooling water, so that the cooling water continuously produces steam, and the steam is compressed to form 22-32 kpa of low-pressure steam, so that the energy in the distillation process is recycled. The wine vapor is condensed into wine liquid after heat exchange, and the wine liquid is cooled to obtain a finished product.
A white spirit distillation method based on the device comprises the following steps:
(1) pumping the mash into a distillation retort, and introducing raw steam into the distillation retort to directly heat the material;
the operating pressure of the distillation retort in the step (1) is 0-20 kPa, and the temperature is 90-101 ℃;
the mash in the step (1) is preferably liquid material with alcohol content of 10-13% vol, and especially preferably fermented mash of fermented soybean-flavor liquor and rice-flavor liquor;
(2) after boiling, starting cooling water of a cooler and a condenser, allowing the cooling water to enter a cooling water storage tank after heat exchange with wine vapor through the cooler and the condenser, allowing the cooling water (with the temperature of 72-85 ℃) in the cooling water storage tank to automatically flow into an evaporator, stopping when the cooling water reaches a set liquid level height, and automatically starting when the cooling water is lower than the set liquid level;
the cooling water in the step (2) is preferably soft water; the evaporator is a steam regeneration device, and if tap water is used, the heat transfer is reduced due to scaling, and the steam generation efficiency is reduced. The use of soft water avoids the problem of evaporator scaling.
(3) When the temperature of cooling water in the evaporator reaches 80 ℃, a steam compressor is started, negative pressure is formed in the evaporator under the suction action of the compressor, the cooling water in the evaporator is boiled to generate secondary steam, and the secondary steam is compressed by the steam compressor and then is sprayed into the distillation retort; then gradually reducing the input amount of the raw steam;
most of the wine vapor is condensed after heat exchange with cooling water through the evaporator, and the condensed wine liquid is cooled to normal temperature after entering the cooler and then enters the wine receiving tank. A small part of the wine vapor which is not condensed by the evaporator enters a condenser to be condensed, and is cooled by a cooler into a normal-temperature wine sample which enters a wine collecting tank;
preferably, the pressure of the secondary steam in the step (3) reaches 22-32 kpa, and then the secondary steam is sprayed into a distillation retort;
preferably, when the temperature of the cooling water in the step (3) is higher than 80 ℃ and lower than 90 ℃, a two-stage steam compressor is started; after the temperature of the cooling water exceeds 90 ℃ (the temperature of the wine vapor in the distillation retort exceeds 95 ℃), only a first-stage vapor compressor is started;
the steam compressor adopts frequency conversion control; along with the distillation, the alcohol content of the materials in the distillation retort is gradually reduced, the temperature of the materials and the temperature of the alcohol vapor are gradually increased, the temperature of the vapor in the evaporator is also increased, the frequency of the vapor compressor is gradually reduced at the moment, and the power consumption of the compressor is reduced on the premise of ensuring that the pressure of the output vapor is not changed;
the pressure in the evaporator is-65 to-30 kpa;
(4) stopping the steam compressor after the distillation is finished, closing the raw steam and the cooling water, and collecting liquor in the liquor collection tank;
preferably, in the step (4), the distillation is finished when the alcohol content of the alcohol liquid collected by the alcohol collecting tank is less than 2% vol.
Compared with the prior art, the invention has the following advantages and effects:
1. the invention uses the wine vapor in the distillation process to exchange heat with cooling water to generate secondary vapor, the secondary vapor is compressed by a vapor compressor and then returns to the retort for use, the latent heat of the wine vapor can be recovered by more than 95 percent, the energy consumption of distillation can be greatly reduced, and the consumption of the cooling water can be greatly reduced.
2. The invention uses cooling water to cool the wine liquid, and the cooling water enters the evaporation chamber to exchange heat with the wine vapor after being heated, thereby not only reducing the consumption of the cooling water, but also improving the temperature of the cooling water and being beneficial to further improving the recovery and utilization rate of energy.
3. The invention realizes frequency conversion control on the steam compressor in the distillation process, can reduce the power consumption of the steam compressor by adjusting the working condition according to the temperature of the wine vapor (the temperature of secondary steam), stops the first-stage steam compressor when the temperature of the wine vapor reaches 90 ℃ in the distillation process, only keeps the second-stage steam compressor to operate, and further reduces the power consumption of the steam compressor.
4. The invention aims to extract the components of alcohol aldehyde acid ester and the like in mash, so that wine vapor is not directly compressed, but is subjected to heat exchange with cooling water (soft water) to generate water vapor for recompression, the risk that the directly compressed wine vapor is flammable and explosive is avoided, the compressed water vapor is directly sprayed into a retort to directly heat materials, the heat exchange efficiency is higher, and the problem of scaling and coking generated after long-time use is avoided because the evaporator uses the soft water.
5. The invention adopts intermittent production, and maximally extracts flavor substances in the materials in the distillation process, thereby ensuring that the liquor obtained by distillation has rich flavor and full mouthfeel.
6. The invention adopts normal pressure distillation, and compared with negative pressure or reduced pressure distillation, the wine has better taste and flavor.
Drawings
FIG. 1 is a schematic diagram of the structure and composition of a liquor distillation apparatus of the present invention; wherein, 1 distillation retort, 2 evaporators, 3 cooling water storage tanks, 4 condensers, 5 coolers, 6 wine receiving tanks, 7 first-stage vapor compressors and 8 second-stage vapor compressors.
FIG. 2 is a schematic view showing the structure and composition of a conventional distillation apparatus used in a comparative example.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Example 1
A white spirit distillation device is shown in figure 1 in structure and composition, and comprises a distillation retort 1, an evaporator 2, a cooler 5, a condenser 4, a spirit collection tank 6, a cooling water storage tank 3 and steam compressors (7 and 8);
the materials in the distillation retort 1 are heated and boiled to generate wine vapor, the wine vapor exchanges heat with cooling water through the evaporator 2, most of the wine vapor is condensed, condensate enters the cooler 5 to be cooled to normal temperature, the wine vapor which is not condensed in the evaporator 2 is condensed through the condenser 4, then enters the cooler 5 to be cooled to normal temperature wine liquid, and finally enters the wine receiving tank 6;
the evaporator is a horizontal tube evaporator (the manufacturer is Fushan Fengchuan energy-saving technology Co., Ltd., type is IED10000-75/108), cooling water is used for immersing a horizontal tube, wine vapor flows through the tube, and the wine vapor and the cooling water exchange tube when passing through the horizontal tube.
The cooler 5 and the condenser 4 are both provided with cooling water inlets and outlets, the cooling water inlets are arranged at the bottoms of the cooler 5 and the condenser 4, the cooling water outlets are arranged at the tops of the cooler 5 and the condenser 4, the direction of the cooling water is opposite to that of the wine liquid (wine vapor), and the cooling water also absorbs the waste heat of the wine liquid (wine vapor) while the condensation cooling effect is realized;
a cooling water outlet of the cooler 5 is communicated with a cooling water inlet of the condenser 4, so that the cooling water subjected to primary heat exchange further absorbs the waste heat of the wine vapor in the condenser; the cooling water outlets of the cooler 5 and the condenser 4 finally flow to the cooling water storage tank 3; the cooling water in the cooling water storage tank 3 flows into the evaporator 2, and the cooling water and the wine vapor exchange heat and evaporate in the evaporator 2 to form water vapor;
a steam compressor (7 and 8) is arranged in a pipeline between the evaporator 2 and the distillation retort 1, negative pressure is formed inside the evaporator 2 under the suction of the steam compressor (7 and 8), high-temperature cooling water in the evaporator 2 is boiled to form water vapor which is pumped into the steam compressor (7 and 8), and the water vapor is compressed by the compressor and flows to the distillation retort 1, so that the aim of heating the distillation retort by using the waste heat of wine liquid (wine vapor) is indirectly achieved, and the energy-saving effect is realized;
the two-stage steam compressors (7 and 8) are connected in series and are controlled by frequency conversion, the inlets and the outlets of the steam compressors are provided with temperature and pressure sensors and are provided with anti-surge systems, and the outlets of the first-stage steam compressor 7 and the second-stage steam compressor 8 are provided with interstage water spraying, so that overheating can be eliminated.
Example 2
The white spirit distillation method based on the device of the embodiment 1 comprises the following steps:
(1) will be 8m3Preheating mash containing 12.5 vol% of wine at 60 ℃, pumping into a distillation retort, and introducing raw steam into the distillation retort for direct heating;
(2) heating the material in the distillation retort to 90 ℃ for boiling, starting soft water, allowing the soft water to enter a cooling water storage tank after heat exchange with wine vapor through a cooler and a condenser, allowing high-temperature soft water in the cooling water storage tank to automatically flow into an evaporator, stopping when the high-temperature soft water reaches a set liquid level height, and automatically starting when the high-temperature soft water is lower than the set liquid level;
(3) when the temperature of the wine vapor rises to 92 ℃ and the temperature of the soft water in the evaporator exceeds 80 ℃, starting a first-stage vapor compressor and a second-stage vapor compressor, wherein the output pressure of the first-stage vapor compressor after compression is-25 kpa, and the output pressure of the second-stage vapor compressor after compression is 20 kpa;
(4) gradually reducing the input amount of the raw steam;
(5) distilling until the alcohol content is less than 2% vol, stopping the first stage steam compressor and the second stage steam compressor, and turning off raw steam and soft water;
(6) pumping the liquor in the liquor collecting tank into a finished product tank area, and automatically flowing the waste grains in the distillation retort into a grain pool.
Example 3
The white spirit distillation method based on the device of the embodiment 1 comprises the following steps:
(3) when the temperature of the wine vapor rises to 94 ℃ and the temperature of the soft water in the evaporator exceeds 80 ℃, starting a first-stage vapor compressor and a second-stage vapor compressor, wherein the output pressure of the first-stage vapor compressor after compression is-10 kpa, and the output pressure of the second-stage vapor compressor after compression is 25 kpa;
the rest of the procedure was the same as in example 2.
Example 4
The white spirit distillation method based on the device of the embodiment 1 comprises the following steps:
(1) will be 8m3Preheating mash containing 12.5 vol% of wine at 60 ℃, pumping into a distillation retort, and introducing raw steam into the distillation retort for direct heating;
(2) after the material in the distillation retort is boiled, soft water is started, the soft water enters a cooling water storage tank after heat exchange with wine vapor through a cooler and a condenser, high-temperature soft water in the cooling water storage tank automatically flows into an evaporator, stops when reaching a set liquid level height, and automatically starts when the high-temperature soft water is lower than the set liquid level;
(3) when the temperature of the wine vapor rises to 92 ℃ and the temperature of the soft water in the evaporator exceeds 80 ℃, starting a first-stage vapor compressor and a second-stage vapor compressor, wherein the output pressure of the first-stage vapor compressor after compression is-24 kpa, and the output pressure of the second-stage vapor compressor after compression is 22 kpa;
(4) gradually reducing the input amount of the raw steam;
(5) when the temperature of the wine vapor rises to 95 ℃, the output pressure of the first-stage vapor compressor is-15 kpa, and the output pressure of the second-stage vapor compressor after compression is 30 kpa;
(6) distilling until the alcohol content is 2% vol, stopping the first stage steam compressor and the second stage steam compressor, and turning off raw steam and soft water;
(7) pumping the liquor from the liquor collecting tank into a finished product tank area, and allowing the waste grains in the distillation retort to automatically flow into a grain pool
Example 5
The white spirit distillation method based on the device of the embodiment 1 comprises the following steps:
(3) when the temperature of the wine vapor rises to 92 ℃ and the temperature of the soft water in the evaporator exceeds 80 ℃, starting a first-stage vapor compressor and a second-stage vapor compressor, wherein the output pressure of the first-stage vapor compressor after compression is-25 kpa, and the output pressure of the second-stage vapor compressor after compression is 20 kpa;
(4) gradually reducing the input amount of the raw steam;
(5) when the temperature of the wine vapor rises to 96 ℃, a connecting pipeline valve between the evaporator and the second-stage vapor compressor is opened, the first-stage vapor compressor is closed, only the second-stage vapor compressor is operated, and the pressure output by the second-stage vapor compressor is 24 kpa;
the rest of the procedure was the same as in example 4.
Example 6
The white spirit distillation method based on the device of the embodiment 1 comprises the following steps:
(5) when the temperature of the wine vapor rises to 95 ℃, a connecting pipeline valve between the evaporator and the second-stage vapor compressor is opened, the first-stage vapor compressor is closed, only the second-stage vapor compressor is operated, and the pressure output by the second-stage vapor compressor is 23 kpa;
the rest of the procedure was the same as in example 5.
Comparative example
A method for distilling Chinese liquor with traditional distilling apparatus shown in figure 2 comprises the following steps:
(1) preheating the rice box to 60 deg.C, and making the rice box have a volume of 8m containing 12.5% vol liquor3Putting the mash into a distillation retort;
(2) introducing steam into the distillation retort to directly heat;
(3) starting soft water after the materials in the distillation retort are boiled;
(4) distilling until the alcohol content is less than 2 vol%, and closing steam and soft water;
(5) the wine liquid of the wine box is pumped into a finished product tank area, and the waste grains in the distillation retort automatically flow into a grain pool.
The distillation energy consumption of the examples and comparative examples were compared, and the results are shown in tables 1 and 2.
TABLE 1 energy consumption analysis for distillation of examples 2-6 and comparative examples
| Steam quantity (t) | Consumption of electricity (degree) | Wine output (t) | Ton wine steam consumption (t) | Ton wine power consumption (t) | |
| Comparative example | 3.741 | 0 | 3.31 | 1.13 | 0 |
| Example 2 | 0.778 | 254 | 3.24 | 0.24 | 78.4 |
| Example 3 | 0.837 | 234 | 3.22 | 0.26 | 72.7 |
| Example 4 | 0.810 | 218 | 3.24 | 0.25 | 67.4 |
| Example 5 | 0.775 | 202 | 3.23 | 0.24 | 62.5 |
| Example 6 | 0.818 | 198 | 3.27 | 0.25 | 60.5 |
As shown in Table 1, the steam consumption per ton of wine in the examples of the invention is lower than that in the comparative examples, and the steam consumption per ton of wine in the examples 2-6 is 0.85-0.89 t and 77.0-78.8% compared with that in the comparative examples.
Although the embodiment 2 to 6 consumes more 60.5 to 78.4 degrees of electricity, each degree of electricity is 0.8 yuan, as long as the steam price is higher than 75 yuan/ton, the production cost of the embodiment 2 to 6 can be lower than that of the comparative example.
At present, the steam prices in all regions in the country are different, and the steam prices are generally 150-400 yuan/ton, so the economic benefits of the embodiments 2-6 are all superior to those of the comparative examples.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A white spirit distillation device is characterized by comprising a distillation retort, an evaporator, a cooler, a condenser, a spirit collection tank, a cooling water storage tank and a vapor compressor;
the materials in the distillation retort are heated and boiled to generate wine vapor, the wine vapor exchanges heat with cooling water through an evaporator, most of the wine vapor is condensed, condensate enters a cooler to be cooled to normal temperature, the wine vapor which is not condensed in the evaporator is condensed through a condenser, then enters the cooler to be cooled to normal temperature wine liquid, and finally enters a wine receiving tank;
the cooler and the condenser are both provided with cooling water inlets and outlets;
cooling water outlets of the cooler and the condenser finally flow to a cooling water storage tank; the cooling water of the cooling water storage tank flows into the evaporator;
and a steam compressor is arranged on a pipeline between the evaporator and the distillation retort.
2. The white spirit distillation device according to claim 1, characterized in that: the cooling water outlet of the cooler leads to the cooling water inlet of the condenser.
3. The white spirit distillation device according to claim 1, characterized in that: and cooling water inlets of the cooler and the condenser are arranged at the bottoms of the cooler and the condenser, and cooling water outlets of the cooler and the condenser are arranged at the tops of the cooler and the condenser.
4. The white spirit distillation device according to claim 1, characterized in that: the vapor compressor is provided with a one-stage vapor compressor or a two-stage vapor compressor.
5. The white spirit distillation device according to claim 4, characterized in that: and the two stages of vapor compressors are connected in series.
6. The white spirit distillation device according to claim 1, characterized in that: the inlet and outlet of the steam compressor are provided with temperature and pressure sensors, a water spraying device and an anti-surge system.
7. The white spirit distillation device according to claim 1, characterized in that: the evaporator adopts a horizontal tube evaporator.
8. A white spirit distillation method based on the device of any one of claims 1 to 7, characterized by comprising the following steps:
(1) pumping the mash into a distillation retort, and introducing raw steam into the distillation retort to heat the material;
(2) after the materials in the distillation retort are boiled, cooling water of a cooler and a condenser is started, and the cooling water of a cooling water storage tank automatically flows into an evaporator;
(3) when the temperature of the cooling water in the evaporator reaches 80 ℃, a steam compressor is started, the cooling water in the evaporator boils to generate secondary steam, and the secondary steam is compressed by the steam compressor and then is sprayed into the distillation retort; then gradually reducing the input amount of the raw steam;
(4) and (5) stopping the steam compressor after the distillation is finished, closing the raw steam and the cooling water, and collecting the liquor in the liquor collecting tank.
9. The liquor distillation method according to claim 8, characterized in that:
when the temperature of the cooling water in the step (3) is higher than 80 ℃ and lower than 90 ℃, starting a two-stage steam compressor; after the temperature of the cooling water exceeds 90 ℃, only starting a first-stage steam compressor;
and (4) spraying the secondary steam into the distillation retort after the pressure of the secondary steam in the step (3) reaches 22-32 kpa.
10. The liquor distillation method according to claim 8, characterized in that:
soft water is used as the cooling water in the step (2);
and (4) ending distillation when the alcohol content of the alcohol liquid collected by the alcohol collecting tank is less than 2% vol.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107937228A (en) * | 2018-01-11 | 2018-04-20 | 维度绿色科技（广州）有限公司 | A kind of steam regeneration device using Spirit vapour thermal energy |
| CN108504526A (en) * | 2018-05-18 | 2018-09-07 | 广东省九江酒厂有限公司 | A kind of energy-efficient liquid distillate wine continuous distillation plant and distillating method |
| CN208266148U (en) * | 2018-01-11 | 2018-12-21 | 维度绿色科技（广州）有限公司 | A kind of steam regeneration device using Spirit vapour thermal energy |
| CN208395146U (en) * | 2018-05-18 | 2019-01-18 | 广东省九江酒厂有限公司 | The continuous distillation plant of liquid phase process Spirit |
| CN111750563A (en) * | 2020-05-14 | 2020-10-09 | 江苏双良节能环保工程技术有限公司 | White spirit waste heat utilization system |
| CN212789813U (en) * | 2020-08-04 | 2021-03-26 | 成都歆雅春风科技有限公司 | Distillation system with thermal cycle function |
-
2021
- 2021-12-08 CN CN202111490492.3A patent/CN114214161A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107937228A (en) * | 2018-01-11 | 2018-04-20 | 维度绿色科技（广州）有限公司 | A kind of steam regeneration device using Spirit vapour thermal energy |
| CN208266148U (en) * | 2018-01-11 | 2018-12-21 | 维度绿色科技（广州）有限公司 | A kind of steam regeneration device using Spirit vapour thermal energy |
| CN108504526A (en) * | 2018-05-18 | 2018-09-07 | 广东省九江酒厂有限公司 | A kind of energy-efficient liquid distillate wine continuous distillation plant and distillating method |
| CN208395146U (en) * | 2018-05-18 | 2019-01-18 | 广东省九江酒厂有限公司 | The continuous distillation plant of liquid phase process Spirit |
| CN111750563A (en) * | 2020-05-14 | 2020-10-09 | 江苏双良节能环保工程技术有限公司 | White spirit waste heat utilization system |
| CN212789813U (en) * | 2020-08-04 | 2021-03-26 | 成都歆雅春风科技有限公司 | Distillation system with thermal cycle function |
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