Method for rectifying ethanol by three-tower heat integration device
A process method, ethanol rectification technology, which is applied in the process field of ethanol rectification using a three-tower heat integration device, can solve problems such as difficult large-scale production of ethanol, achieve significant practicability and economic benefits, not easy to block, reduce The effect of operating energy consumption
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0048] Fig. 1 is a flow chart of the first three-tower heat-integrated azeotropic ethanol (or edible ethanol) energy-saving process.
[0049] The first tower is crude distillation tower T101, the second tower is low-pressure azeotropic distillation tower T102, and the third tower is high-pressure azeotropic distillation tower T103.
[0050] The fermented mash 1 exchanges heat with the top gas phase 14 of the low-pressure azeotropic distillation column T102 through E101, the preheated mash 2 exchanges heat with the wastewater 12 discharged from the crude distillation tower through E103, and the preheated mash 3 enters the crude distillation The upper part of tower T101.
[0051] There is a light component removal section at the top of the crude distillation tower, the gas phase 4 at the top of the crude distillation tower enters the partial condenser E104, E104 removes the non-condensable gas 6, and the condensate 5 flows back to the top of the crude distillation tower. The ga...
Embodiment 2
[0061] Fig. 2 is a second typical three-tower heat-integrated azeotropic ethanol (or edible ethanol) energy-saving process flow chart. It is based on the above example 1, directly transfers the energy of the gas phase 22 at the top of the high-pressure azeotropic rectification column to the bottom of the crude distillation column through E105, and saves a gas-liquid separation tank V102.
Embodiment 3
[0063] Fig. 3 is a third typical three-tower heat-integrated anhydrous ethanol (or fuel ethanol) energy-saving process flow chart.
[0064] The first tower is crude distillation tower T101, the second tower is low-pressure azeotropic distillation tower T102, and the third tower is high-pressure azeotropic distillation tower T103.
[0065] The fermented mash 1 exchanges heat with the top gas phase 14 of the low-pressure azeotropic distillation column T102 through E101, the preheated mash 2 exchanges heat with the wastewater 12 discharged from the crude distillation tower through E103, and the preheated mash 3 enters the crude distillation The upper part of tower T101.
[0066] There is a light component removal section at the top of the crude distillation tower, the gas phase 4 at the top of the crude distillation tower enters the partial condenser E104, E104 removes the non-condensable gas 6, and the condensate 5 flows back to the top of the crude distillation tower. The gas ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com