CN213232066U - System for utilize fermented glutinous rice to prepare extra grade alcohol - Google Patents
System for utilize fermented glutinous rice to prepare extra grade alcohol Download PDFInfo
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- CN213232066U CN213232066U CN202021991463.6U CN202021991463U CN213232066U CN 213232066 U CN213232066 U CN 213232066U CN 202021991463 U CN202021991463 U CN 202021991463U CN 213232066 U CN213232066 U CN 213232066U
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Abstract
The utility model discloses a system for preparing special grade alcohol by utilizing fermented mash, which comprises a fermented mash airtight tank, a rough distillation tower, a condenser, a washing tower, a rectifying tower, an alkali liquor tank, a methanol tower and a finished product alcohol extraction device; the discharge hole of the fermented mash closed tank is communicated with the feed inlet of the rough distillation tower; the gas outlet of the rough distillation tower is communicated with the gas inlet of a condenser, and the liquid outlet of the condenser is communicated with the liquid inlet of a water washing tower; the wine outlet of the water washing tower is communicated with the wine inlet of the rectifying tower; the liquid outlet of the alkali liquor tank is communicated with the alkali liquor inlet of the rectifying tower; the liquid outlet of the rectifying tower is communicated with the washing liquid inlet of the water washing tower. The utility model has the advantages that the connection structure is simple and easy to realize; the purpose of producing the special-grade alcohol is realized, purification and rectification are not needed, the energy consumption is reduced, distillation and purification equipment is not needed, and the cost for producing the special-grade alcohol is effectively reduced; the full recovery of heat energy is realized, the waste of heat energy is avoided, and the energy is saved.
Description
The technical field is as follows:
the utility model relates to a preparation system, in particular to a system for preparing special grade alcohol by using fermented mash.
Background art:
the differential pressure distillation technology for alcohol production is a distillation technology developed in the alcohol industry in recent years; in China, a five-tower differential pressure distillation method is adopted in a plurality of alcohol plants. The standard execution national standard of special grade alcohol products [ GB10343-2008] is a high grade alcohol variety of alcohol products in China, with the development of economy, the requirements of downstream users of alcohol on the quality of alcohol are higher and higher, and the special grade alcohol becomes the direction of upgrading and updating products in the alcohol industry in the future; however, the existing five-tower differential pressure distillation method can only produce superior alcohol but cannot produce superior alcohol; therefore, the domestic production of the special grade alcohol generally adopts a five-tower differential pressure distillation method and combines a purification distillation method to produce the special grade alcohol, but the energy consumption is too high by adopting the method, and the investment of equipment is also required to be increased, thereby causing the cost for producing the special grade alcohol to be too high.
The utility model has the following contents:
an object of the utility model is to provide a connection structure is simple, has realized producing special grade alcohol, and has practiced thrift the system of utilizing the special grade alcohol of fermented glutinous rice preparation of energy.
The utility model discloses by following technical scheme implement: the patent aims at providing a system for preparing special grade alcohol by using fermented mash, which comprises a fermented mash closed tank, a rough distillation tower, a condenser, a water washing tower, a rectifying tower, an alkali liquor tank, a methanol tower and a finished product alcohol extraction device; the discharge hole of the fermented mash closed tank is communicated with the feed inlet of the coarse distillation tower; the gas outlet of the coarse distillation tower is communicated with the gas inlet of the condenser, and the liquid outlet of the condenser is communicated with the liquid inlet of the water washing tower; the wine outlet of the water washing tower is communicated with the wine inlet of the rectifying tower; the liquid outlet of the alkali liquor tank is communicated with the alkali liquor inlet of the rectifying tower; the liquid outlet of the rectifying tower is communicated with the washing liquid inlet of the water washing tower; the wine outlet of the rectifying tower is communicated with the wine inlet of the methanol tower; and the wine outlet of the methanol tower is communicated with the finished wine extraction device.
Further, the method also comprises a recovery tower; the miscellaneous wine outlets of the crude distillation tower and the rectification tower are communicated with the liquid inlet of the recovery tower; and the wine outlet of the recovery tower is communicated with the liquid inlet of the water washing tower.
Further, the gas outlet of the rectifying tower is communicated with the heat medium inlet of the reboiler of the methanol tower; and the gas outlet of the methanol tower is communicated with the heat medium inlet of the reboiler of the crude distillation tower.
Further, the device also comprises a light wine preheater, wherein a liquid outlet of the rectifying tower is communicated with a heat medium inlet of the light wine preheater, and a heat medium outlet of the light wine preheater is communicated with a washing liquid inlet of the water washing tower; the wine outlet of the water washing tower is communicated with the cold medium inlet of the weak wine preheater; and a cold medium outlet of the weak liquor preheater is communicated with a liquor inlet of the rectifying tower.
Further, the device also comprises a crude wine preheater, wherein a liquid outlet of the condenser is communicated with a cold medium inlet of the crude wine preheater; a cold medium outlet of the crude wine preheater is communicated with a liquid inlet of the water washing tower; and a heat medium outlet of the weak wine preheater is communicated with a heat medium inlet of the coarse wine preheater, and a heat medium outlet of the coarse wine preheater is communicated with a water inlet of the waste water storage tank.
Further, the system also comprises a fermented mash preheater, wherein the gas outlet of the coarse distillation tower is communicated with the heat medium inlet of the fermented mash preheater, and the heat medium outlet of the fermented mash preheater is communicated with the inlet of the condenser; the discharge hole of the fermented mash closed tank is communicated with the cold medium inlet of the fermented mash preheater; and a cold medium outlet of the fermented mash preheater is communicated with a feed inlet of the coarse distillation tower.
The utility model has the advantages that: 1. the utility model has simple connection structure and easy realization; 1% of alkali liquor is added into the rectifying tower, so that lipid substances in alcohol in the rectifying tower are subjected to saponification reaction, acid substances are subjected to neutralization reaction, the content of the lipid and the acid substances in the alcohol is reduced, the quality of the alcohol is further improved, and the special alcohol is obtained after methanol removal treatment in a methanol tower, so that the aim of producing the special alcohol by fermenting mash is fulfilled, and the common base alcohol is not required to be purified and rectified, so that the energy consumption is reduced; and the distillation and purification equipment is not required to be put into, so that the cost for producing the special-grade alcohol is effectively reduced; 2. high-temperature wine gas generated by the rough distillation tower preheats fermented mash through a fermented mash preheater, and the high-temperature wine gas generated by the rectifying tower is taken as a heat source and sent to a reboiler of the methanol tower to indirectly heat alcohol in the methanol tower, so that secondary distillation is realized; the waste water discharged from the bottom of the rectifying tower preheats the light wine coming out of the water washing tower in the light wine preheater, so that the heat energy is fully recovered, the waste of the heat energy is avoided, and the energy is saved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
The fermentation mash closed tank 1, the rough distillation tower 2, the condenser 3, the water washing tower 4, the rectifying tower 5, the alkali liquor tank 6, the methanol tower 7, the finished wine extraction device 8, the recovery tower 9, the weak liquor preheater 10, the crude wine preheater 11, the fermentation mash preheater 12 and the waste water storage tank 13.
The specific implementation mode is as follows:
as shown in figure 1, a system for preparing special grade alcohol by using fermented mash comprises a fermented mash closed tank 1, a rough distillation tower 2, a condenser 3, a water washing tower 4, a rectifying tower 5, an alkali liquor tank 6, a methanol tower 7, a finished wine extraction device 8, a recovery tower 9, a weak wine preheater 10, a crude wine preheater 11 and a fermented mash preheater 12,
the discharge hole of the fermented mash closed tank 1 is communicated with the cold medium inlet of the fermented mash preheater 12; the cold medium outlet of the fermented mash preheater 12 is communicated with the feed inlet of the coarse distillation tower 2; the gas outlet of the rough distillation tower 2 is communicated with the heat medium inlet of the fermented mash preheater 12, and the heat medium outlet of the fermented mash preheater 12 is communicated with the inlet of the condenser 3;
the liquid outlet of the condenser 3 is communicated with the cold medium inlet of the crude wine preheater 11; a cold medium outlet of the crude wine preheater 11 is communicated with a liquid inlet of the water washing tower 4; the wine outlet of the water washing tower 4 is communicated with the cold medium inlet of the weak wine preheater 10; a cold medium outlet of the light wine preheater 10 is communicated with a wine inlet of the rectifying tower 5;
the liquid outlet of the alkali liquor tank 6 is communicated with the alkali liquor inlet of the rectifying tower 5; a liquid outlet of the rectifying tower 5 is communicated with a heat medium inlet of a light wine preheater 10, and a heat medium outlet of the light wine preheater 10 is respectively communicated with a washing liquid inlet of the water washing tower 4 and a heat medium inlet of the crude wine preheater 11; a heat medium outlet of the crude wine preheater 11 is communicated with a water inlet of the waste water storage tank 13;
the wine outlet of the rectifying tower 5 is communicated with the wine inlet of the methanol tower 7; the wine outlet of the methanol tower 7 is communicated with a finished wine extraction device 8; the miscellaneous wine outlets of the rough distillation tower 2 and the rectifying tower 5 are communicated with the liquid inlet of the recovery tower 9; the wine outlet of the recovery tower 9 is communicated with the liquid inlet of the water washing tower 4.
The gas outlet of the rectifying tower 5 is communicated with the heat medium inlet of the reboiler of the methanol tower 7; the outlet of the methanol column 7 is communicated with the inlet of the reboiler of the crude distillation column 2.
The working process is as follows:
before the system starts to operate, adding light wine waste liquid into a rough distillation tower 2, a water washing tower 4 and a rectifying tower 5; after the system starts to operate, mash in the closed fermented mash tank 1 is preheated by the fermented mash preheater 12 and then is sent to the coarse distillation tower 2, and waste mash is discharged from the bottom of the coarse distillation tower 2; the ethanol steam and carbon dioxide gas removed from the top of the coarse distillation tower 2 are firstly sent to a fermented mash preheater 12 for heat exchange to realize heat recovery, and then sent to a condenser 3 for condensation after coming out of the fermented mash preheater 12, and the condensed CO is2The gas is sent out, and the condensate enters a crude wine preheater11, preheating, and feeding the heated condensate into a water washing tower 4; washing the entered condensate by the washing liquid at the top of the washing tower 4, diluting, heating and distilling the solution in the washing tower 4 by a reboiler at the bottom of the washing tower 4, and discharging the impurities with low boiling point in the crude alcohol from the top of the washing tower 4; the weak liquor coming out from the bottom of the water washing tower 4 is preheated by a weak liquor preheater 10 and then is pumped into a rectifying tower 5; and a proper amount of 1% alkali liquor is added into the rectifying tower 5, so that lipid substances in the alcohol in the rectifying tower 5 are subjected to saponification reaction, acid substances are subjected to neutralization reaction, the content of the lipid and the acid in the alcohol is reduced, and the quality of the alcohol is further improved; the alcohol discharged from the upper part of the rectifying tower 5 is sent into a methanol tower 7, and the impurity steam discharged from the top of the rectifying tower 5 is used as a heat source and sent into a reboiler of the methanol tower 7 to indirectly heat the alcohol in the methanol tower 7, so that secondary distillation is realized; gas exhausted from the top of the methanol tower 7 is used as a heat source and sent to a reboiler of the crude distillation tower 2 to heat liquid in the crude distillation tower 2, so that the heat energy is fully recovered, the waste of the heat energy is avoided, and the energy is saved; the alcohol discharged from the bottom of the methanol tower 7 is special grade alcohol and is collected by a finished product wine extraction device 8, so that the aim of producing the special grade alcohol by fermenting mash in one step is fulfilled, and the purification and rectification of general grade alcohol are not needed; the energy consumption is reduced, and distillation and purification equipment is not required to be added, so that the cost for producing the special-grade alcohol is effectively reduced.
Waste water discharged from the bottom of the rectifying tower 5 is sent to a weak liquor preheater 10 to preheat weak liquor; after preheating, some get into from the water inlet of washing tower 4 as the sparge water, realized the retrieval and utilization of waste water, another part gets into and heats the condensate liquid in the coarse wine preheater 11, is sent to waste water storage tank 13 after the heat transfer and stores, is retrieved as the raw materials water at last, has realized the abundant recovery of heat energy, has avoided the waste of heat energy, has practiced thrift the energy, the utility model discloses connection structure is simple, easily realizes.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A system for preparing special grade alcohol by using fermented mash is characterized by comprising a fermented mash closed tank, a rough distillation tower, a condenser, a water washing tower, a rectifying tower, an alkali liquor tank, a methanol tower and a finished product wine extraction device;
the discharge hole of the fermented mash closed tank is communicated with the feed inlet of the coarse distillation tower; the gas outlet of the coarse distillation tower is communicated with the gas inlet of the condenser, and the liquid outlet of the condenser is communicated with the liquid inlet of the water washing tower; the wine outlet of the water washing tower is communicated with the wine inlet of the rectifying tower;
the liquid outlet of the alkali liquor tank is communicated with the alkali liquor inlet of the rectifying tower; the liquid outlet of the rectifying tower is communicated with the washing liquid inlet of the water washing tower; the wine outlet of the rectifying tower is communicated with the wine inlet of the methanol tower; and the wine outlet of the methanol tower is communicated with the finished wine extraction device.
2. The system for producing extra grade alcohol using fermented mash according to claim 1, further comprising a recovery tower; the miscellaneous wine outlets of the crude distillation tower and the rectification tower are communicated with the liquid inlet of the recovery tower; and the wine outlet of the recovery tower is communicated with the liquid inlet of the water washing tower.
3. The system for preparing super grade alcohol using fermented mash according to claim 2, wherein the gas outlet of the rectifying tower is communicated with the heat medium inlet of the reboiler of the methanol tower; and the gas outlet of the methanol tower is communicated with the heat medium inlet of the reboiler of the crude distillation tower.
4. The system for preparing super grade alcohol using fermented mash according to claim 3, further comprising a weak liquor preheater, wherein the liquid outlet of the rectification column is communicated with the heat medium inlet of the weak liquor preheater, and the heat medium outlet of the weak liquor preheater is communicated with the washing liquid inlet of the water washing column; the wine outlet of the water washing tower is communicated with the cold medium inlet of the weak wine preheater; and a cold medium outlet of the weak liquor preheater is communicated with a liquor inlet of the rectifying tower.
5. The system for preparing super grade alcohol using fermented mash according to claim 4, further comprising a raw wine preheater, wherein the liquid outlet of the condenser is communicated with the cold medium inlet of the raw wine preheater; a cold medium outlet of the crude wine preheater is communicated with a liquid inlet of the water washing tower; and a heat medium outlet of the weak wine preheater is communicated with a heat medium inlet of the coarse wine preheater, and a heat medium outlet of the coarse wine preheater is communicated with a water inlet of the waste water storage tank.
6. The system for preparing extra grade alcohol using fermented mash according to claim 5, further comprising a fermented mash preheater, wherein the gas outlet of the topping still is communicated with the heat medium inlet of the fermented mash preheater, and the heat medium outlet of the fermented mash preheater is communicated with the inlet of the condenser; the discharge hole of the fermented mash closed tank is communicated with the cold medium inlet of the fermented mash preheater; and a cold medium outlet of the fermented mash preheater is communicated with a feed inlet of the coarse distillation tower.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021991463.6U CN213232066U (en) | 2020-09-11 | 2020-09-11 | System for utilize fermented glutinous rice to prepare extra grade alcohol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021991463.6U CN213232066U (en) | 2020-09-11 | 2020-09-11 | System for utilize fermented glutinous rice to prepare extra grade alcohol |
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| Publication Number | Publication Date |
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| CN213232066U true CN213232066U (en) | 2021-05-18 |
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| CN202021991463.6U Active CN213232066U (en) | 2020-09-11 | 2020-09-11 | System for utilize fermented glutinous rice to prepare extra grade alcohol |
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Denomination of utility model: A system for preparing super grade alcohol from fermented mash Effective date of registration: 20220422 Granted publication date: 20210518 Pledgee: Chifeng Branch of China Construction Bank Co.,Ltd. Pledgor: CHIFENG RUIYANG CHEMICAL CO.,LTD. Registration number: Y2022150000032 |