Boiling liquid heat exchange energy-saving system for ethanol recovery

A heat exchange energy-saving, ethanol technology, applied in the direction of distillation energy recovery, heating water/sewage treatment, special treatment goals, etc., can solve the problems of energy waste and high cost, and achieve the effect of reduced use and low cost

Pending Publication Date: 2020-09-18
HUALAN BIOLOGICAL ENG CHONGQING +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the ethanol recovery system, before the recovered ethanol enters the distillation tower, it is necessary to keep heating the cold ethanol waste liquid throughout the whole process. The cost is high, and energy waste can also be caused. The above-mentioned problems are urgent problems to be solved in this field

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  • Boiling liquid heat exchange energy-saving system for ethanol recovery
  • Boiling liquid heat exchange energy-saving system for ethanol recovery
  • Boiling liquid heat exchange energy-saving system for ethanol recovery

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it.

[0020] A number of different implementations or examples of implementing the described subject technical solutions are disclosed below. In order to simplify the disclosure, the following describes specific embodiments of one or more permutations of each feature, but the examples cited are not intended to limit the present invention, and the first feature described later in the specification is connected to the second feature, namely It may include the embodiment of direct connection, and may also include the embodiment of forming additional features. Further, it also includes the use of one or more other intervening features to indirectly communicate or combine the first feature and the second feature with each other, so that the first feature and The...

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Abstract

The invention provides a boiling liquid heat exchange energy-saving system for ethanol recovery. The system comprises a first heat exchanger, a second heat exchanger and a third heat exchanger which are sequentially communicated through an ethanol pipeline, an ethanol outlet of the third heat exchanger is communicated with a liquid inlet of a distillation tower, a gas outlet of the distillation tower is communicated with a gas inlet of the third heat exchanger, and a liquid outlet of the distillation tower is communicated with a heat exchange pipeline inlet of the second heat exchanger. Through pipeline design, heat energy generated during ethanol distillation and heat exchange can be effectively utilized, ethanol is heated step by step in the ethanol recovery process through waste heat, use of a steam heating medium is reduced, and the ethanol recovery process is lower in cost and more energy-saving.

Description

technical field [0001] The invention relates to the field of heat exchange for ethanol recovery systems, in particular to a boiling liquid heat exchange and energy-saving system for ethanol recovery. Background technique [0002] In the ethanol recovery system, before the recovered ethanol enters the distillation tower, it is necessary to keep heating the cold ethanol waste liquid throughout the whole process. The cost is high, and energy is wasted. The above-mentioned problems are urgent problems to be solved in this field. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a boiling liquid heat exchange energy-saving system for ethanol recovery that solves the above problems. [0004] In order to solve the above technical problems, the solution provided by the present invention is: a boiling liquid heat exchange energy-saving system for ethanol recovery, including a first heat exchanger, a second heat exchanger a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/00C02F1/04C02F101/34
CPCB01D3/007C02F1/04C02F2101/34C02F2303/10
Inventor 刘小勇张宝献张周芊滕世超王猛冯川
Owner HUALAN BIOLOGICAL ENG CHONGQING
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