Reverse evaporating and concentrating system for molasses alcohol waste liquid

A technology of molasses alcohol waste liquid and reverse evaporation, which is applied in multi-effect evaporation, evaporator accessories, multi-stage water treatment, etc., can solve the problems of consumption, high operating cost, and more cooling water, so as to improve the effect of evaporation and concentration, The effect of saving production and operation costs and reducing energy consumption

Active Publication Date: 2016-07-20
GUANGXI UNIV
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Problems solved by technology

Although this method can effectively treat alcohol waste liquid, it needs to consume a large amount of primary steam as a heat source for evaporation and concentration, which has problems such as high energy consumption and high operating costs.
[0004] The main reason for the high energy consumption in the production of molasses alcoho

Method used

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  • Reverse evaporating and concentrating system for molasses alcohol waste liquid
  • Reverse evaporating and concentrating system for molasses alcohol waste liquid
  • Reverse evaporating and concentrating system for molasses alcohol waste liquid

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[0050] The present invention will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement it with reference to the text of the description.

[0051] It should be understood that terms such as "having", "including" and "including" used herein do not equate the presence or addition of one or more other elements or combinations thereof.

[0052] Such as Figure 1~4 As shown, the present invention provides a reverse evaporative concentration system for molasses alcohol waste liquid, which in turn includes:

[0053] V-effect evaporator 1, which includes a first heating chamber 110 located below and a first juice chamber 120 located above;

[0054] The IV-effect evaporator 2, which includes a second heating chamber 210 located below and a second juice vapor chamber 220 located above, the second juice vapor chamber 220 communicating with the first heating chamber 110 through a pipe;

[0055] The third-effect evaporator 3...

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Abstract

The invention provides a reverse evaporating and concentrating system for molasses alcohol waste liquid. The flowing direction of a material is as follows in sequence: a V-effect evaporator, a IV-effect evaporator, a III-effect evaporator, a II-effect evaporator and a I-effect evaporator; low-concentration alcohol waste liquid at about 80 DEG C from a distillery enters the V-effect evaporator, and is pumped into the IV-effect evaporator and the III-effect evaporator in sequence; after medium-concentration alcohol waste liquid from the III-effect evaporator is heated to 95 DEG C or above through a first heater, the medium-concentration alcohol waste liquid precipitates and is clarified in a clarifying pond, then is heated to 105 DEG C through a second heater and a third heater, enters the I-effect evaporator, and then enters the II-effect evaporator. According to the reverse evaporating and concentrating system for the molasses alcohol waste liquid, the using amount of primary steam in alcohol production is reduced by utilizing an energy-saving transformation technical method of using secondary steam generated by multiple-effect evaporation of the waste liquid in alcohol distillation, so that the energy consumption of the alcohol production is reduced, and the production operation cost is reduced.

Description

technical field [0001] The invention relates to the technical field of molasses alcohol waste liquid treatment devices, and more specifically relates to a reverse evaporation concentration system for molasses alcohol waste liquid. Background technique [0002] At present, molasses, the main by-product of Guangxi Sugar Factory, is mainly used as a raw material for the production of industrial alcohol. High energy consumption is an urgent problem faced by molasses alcohol production. With the improvement of national standards for energy conservation and consumption reduction in industrial production, the issue of energy conservation has become increasingly important to alcohol production enterprises. In order to comply with the requirements of the national energy-saving policy and to reduce the cost of production and operation, the research on the method of energy-saving transformation of alcohol distillation to reduce the energy consumption of alcohol production has become a...

Claims

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Application Information

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IPC IPC(8): B01D1/26B01D1/30C02F9/10C02F1/04
CPCB01D1/26B01D1/30C02F1/048C02F1/5281C02F9/00C02F2301/08
Inventor 梁欣泉陈用武卢柳忠何惠欢李日荣凌长清陆登俊
Owner GUANGXI UNIV
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