Energy-saving production device for quality edible alcohol

A technology of edible alcohol and production equipment, which is applied in the chemical industry, the preparation of organic compounds, climate sustainability, etc., and can solve the problems of waste of heat sources, high steam consumption, and unreasonable use of heat sources

Pending Publication Date: 2020-10-23
GUANGDONG ZHONGKE TIANYUAN NEW ENERGY SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] For the fermentation of thick mash, the existing high-grade edible alcohol production process has limitations, and the heat source cannot be well and rationally utilized, resulting in waste of heat source between processes and high steam consumption

Method used

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  • Energy-saving production device for quality edible alcohol

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] This embodiment provides an energy-saving production device for high-grade edible alcohol, such as figure 1 As shown, it comprises a crude distillation tower 1, a rectification tower 2, a negative pressure rectification tower 5, a water washing tower 3, a methanol tower 4 and a recovery tower 6; the crude distillation tower 1 is connected to the water washing tower 3, and the water washing Tower 3 is connected to described rectifying tower 2 and negative pressure rectifying tower 5 respectively; Described rectifying tower 2 and negative pressure rectifying tower 5 are all connected to described recovery tower 6;

[0031] The reboiler 7 of the crude distillation tower receives the alcohol vapor from the top of the methanol tower 4, the condensed water flash steam of other processes after treatment, the distillation process and other processes, and is used for the indirect distillation of the crude distillation tower. Heating; the alcohol vapor at the top of the methanol ...

Embodiment 2

[0047] This embodiment provides a method for producing high-grade edible alcohol using the high-grade edible alcohol energy-saving production device described in Example 1, such as figure 1 As shown, the specific process is:

[0048] The mature mash from fermentation is preheated successively through the primary preheater 12, the secondary preheater 13 and the tertiary preheater 14, and the preheating medium of the primary preheater 12 is the crude distillation tower top wine steam, the preheating medium of the secondary preheater 13 is the recovery tower top wine vapor, and the preheating medium of the three-stage preheater 14 is condensate water flash steam;

[0049]The preheated mature mash enters the degassing section of the crude distillation tower 1, and the mash after removing carbon dioxide gas and low-boiling impurities enters the stripping section of the crude distillation tower 1, and the distilled wine vapor enters the first stage from the top of the tower. In the...

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Abstract

The invention discloses an energy-saving production device for quality edible alcohol. The energy-saving production device comprises a coarse distillation tower, a rectifying tower, a negative pressure rectifying tower, a water washing tower, a methanol tower and a recovery tower, and the reboiler of the coarse distillation tower receives wine steam, secondary steam and / or condensed water flash steam from the top of the methanol tower and is used for indirectly heating the coarse distillation tower; the reboiler of the rectifying tower receives primary steam and is used for indirectly heatingthe rectifying tower; the reboiler of the water washing tower receives the wine steam from the top of the rectifying tower and is used for indirectly heating the water washing tower; the reboiler of the methanol tower receives the wine steam at the top of the rectifying tower and is used for indirectly heating the methanol tower; the reboiler of the negative pressure rectifying tower receives thewine steam from the top of the water washing tower and is used for indirectly heating the negative pressure rectifying tower; and the recovery tower receives the steam condensate flash steam from a steam condensate flash tank and is used for heating the recovery tower. When the method is used for producing quality edible alcohol, a heat source can be effectively utilized, and steam consumption isreduced.

Description

technical field [0001] The invention relates to the technical field of alcohol production, in particular to an energy-saving production device for premium edible alcohol. Background technique [0002] For the fermentation of thick mash, the existing high-grade edible alcohol production process has limitations, and the heat source cannot be well and rationally utilized, resulting in waste of heat source between processes and high steam consumption. Therefore, it is of great practical value to propose a new process that can rationally utilize the redundant heat sources of other workshops. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention aims to provide an energy-saving production device for high-grade edible alcohol, which can effectively utilize heat sources and reduce steam consumption. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: [0005] An energy-savi...

Claims

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Application Information

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IPC IPC(8): C07C31/08C07C29/74C07C29/80
CPCC07C29/74C07C29/80C07C31/08Y02P20/10
Inventor 周宏才姜新春黎进英刘慧生张慧婷姚磊陆树浩
Owner GUANGDONG ZHONGKE TIANYUAN NEW ENERGY SCI & TECH
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