RU2465032C2 - Method of separating multi-component liquid mixes into fractions - Google Patents

Method of separating multi-component liquid mixes into fractions Download PDF

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Publication number
RU2465032C2
RU2465032C2 RU2011100812/02A RU2011100812A RU2465032C2 RU 2465032 C2 RU2465032 C2 RU 2465032C2 RU 2011100812/02 A RU2011100812/02 A RU 2011100812/02A RU 2011100812 A RU2011100812 A RU 2011100812A RU 2465032 C2 RU2465032 C2 RU 2465032C2
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RU
Russia
Prior art keywords
fractions
condensers
bypass valves
vessel
separating
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RU2011100812/02A
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Russian (ru)
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RU2011100812A (en
Inventor
Виталий Иванович Корчагин (RU)
Виталий Иванович Корчагин
Михаил Андреевич Агапов (RU)
Михаил Андреевич Агапов
Андрей Михайлович Агапов (RU)
Андрей Михайлович Агапов
Original Assignee
Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Курская государственная сельскохозяйственная академия имени профессора И.И. Иванова" Министерства сельского хозяйства Российской Федерации
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Application filed by Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Курская государственная сельскохозяйственная академия имени профессора И.И. Иванова" Министерства сельского хозяйства Российской Федерации filed Critical Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Курская государственная сельскохозяйственная академия имени профессора И.И. Иванова" Министерства сельского хозяйства Российской Федерации
Priority to RU2011100812/02A priority Critical patent/RU2465032C2/en
Publication of RU2011100812A publication Critical patent/RU2011100812A/en
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Publication of RU2465032C2 publication Critical patent/RU2465032C2/en

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Abstract

FIELD: process engineering.
SUBSTANCE: invention relates to food, chemical and pharmaceutical industries, particularly, to production of ethanol and similar products. Proposed method comprises heating raw product in vessel to boiling. Separate vapor fractions being formed are discharged via appropriate bypass valves outside said vessel. Formed vapor fractions are fed via unions and branch pipes communicated with bypass valves into condensers. Condensers serve to collect condensate of every separate fraction.
EFFECT: higher quality of finished product.
1 dwg

Description

The invention relates to food, chemical, pharmaceutical industries, in particular to methods for producing ethyl alcohol and similar products.
A known method of separating multicomponent liquids by heating (Kavetsky GD, Korolev AV Processes and apparatuses for food production. M: Agropromizdat, 1991. - S.257-258.). When these liquids are heated, several main vapor phases are formed, consisting of various chemical compounds. So, in the process of producing ethyl alcohol at temperatures from 55 to 73 ° C, the so-called "head waste" is formed, which include acetic aldehyde - the boiling point is 21 ° C; formic ethyl ester - t k = 55 ° C, acetic methyl ester - t a = 59 ° C and methyl alcohol - t k = 65 ° C, with temperatures from 73 to 78 ° C. produces the main product - ethyl alcohol, and at temperatures above 80 ° C, tailings are formed, which include formic and acetic acids, as well as oil-ethyl ether.
The components of both the first and last impurities adversely affect the quality of the resulting product, because all vapor phases are mixed in the tank with each other and removed from it into the condenser, followed by separation of the condensate into its constituent components and collecting them in separate containers.
The disadvantage of this method is that the separation of condensate into its constituent components takes place outside the tank, which leads to their mixing, and this negatively affects the quality indicators of the resulting product.
The aim of the invention is to improve the quality of the obtained main product due to the separation of vapor phases during heating inside the tank and removing each fraction as it forms outside the tank, followed by collecting condensate of various fractions in separate condensers.
This goal is achieved by the fact that the initial product is heated to a boiling point in a tank equipped with bypass valves, connected by fittings with condensers for each vapor phase, which, depending on the boiling point of the initial mixture, can separate the vapor phases of the “head” and “tail” impurities from main product and direct them through the nozzles through the bypass valves and fittings in the appropriate condensers to collect condensate.
The inventive method is implemented in the device (figure 1), which includes a heat source 1, a container 2, equipped with bypass valves 3, 4, 5, which in turn are connected to the fittings 6, 7, 8 for the removal of steam of various components of the mixture through nozzles 9 , 10, 11 to capacitors 12, 13, 14, followed by condensate collection.
The method of separation of a liquid mixture on the example of obtaining ethyl alcohol is as follows.
The liquid mixture to be separated is heated using a heat source 1 in vessel 2. When the initial mixture is heated to a temperature of 55 ° C in vessel 2, the formation of “head” impurities (formic ethyl ether and methyl alcohol) occurs; these vapors are removed from vessel 2 by the bypass valve 3 through the nozzle 6 and sent through the pipe 9 to the condenser 12 with the subsequent collection of distillate volatile component, while the bypass valves 4 and 5 are closed.
With an increase in the temperature of the initial product over 73 ° C, the bypass valve 3 closes and the vapors of the main product formed at this temperature are directed through the open bypass valve 4 and the union 7 through the pipe 10 to the condenser 13 with the subsequent collection of condensate of the main product, while the bypass valves 3 and 5 are closed.
When the temperature of the mixture exceeds 78 ° С, pairs of tailings waste (formic and acetic acids) are formed. These non-volatile components are removed from the tank 2 by means of an open valve 5, while the valves 3 and 4 are closed. Pairs of hardly volatile components through the nozzle 8 and the pipe 11 are sent to the capacitor 14.
The technical advantage of the claimed method in comparison with the known method is that the vapor phases of the individual fractions are removed outside the tank in which the starting product is heated and sent to the corresponding condensers, which eliminates their mixing and contamination of the main product with impurities.
This method also allows to obtain various fractions of higher quality in the processing of oil.

Claims (1)

  1. A method of separating multicomponent liquid mixtures into fractions, including heating the initial product to boiling and subsequent condensation, characterized in that the vapor of each fraction is removed from the tank through a corresponding bypass valve and formed through a nozzle and nozzle connected to it into a separate condenser, while the bypass valves for withdrawing other fractions are left closed.
RU2011100812/02A 2011-01-12 2011-01-12 Method of separating multi-component liquid mixes into fractions RU2465032C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2011100812/02A RU2465032C2 (en) 2011-01-12 2011-01-12 Method of separating multi-component liquid mixes into fractions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2011100812/02A RU2465032C2 (en) 2011-01-12 2011-01-12 Method of separating multi-component liquid mixes into fractions

Publications (2)

Publication Number Publication Date
RU2011100812A RU2011100812A (en) 2012-07-20
RU2465032C2 true RU2465032C2 (en) 2012-10-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015110126A1 (en) * 2014-01-27 2015-07-30 Сергей Евгеньевич УГЛОВСКИЙ Method for separating multi-component mixtures into fractions

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2132214C1 (en) * 1998-01-06 1999-06-27 Сайфутдинов Альберт Фаритович Method of separating multicomponent mixtures
EP1393808A1 (en) * 2002-08-20 2004-03-03 Howard F. Kimel Distillation/reflux equipment
RU2277958C2 (en) * 2000-09-20 2006-06-20 Басф Акциенгезельшафт Method of distillation separation of c5+-fractions
EP1333902B1 (en) * 2000-06-06 2010-12-01 Battelle Memorial Institute Microsystem capillary separations

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2132214C1 (en) * 1998-01-06 1999-06-27 Сайфутдинов Альберт Фаритович Method of separating multicomponent mixtures
EP1333902B1 (en) * 2000-06-06 2010-12-01 Battelle Memorial Institute Microsystem capillary separations
RU2277958C2 (en) * 2000-09-20 2006-06-20 Басф Акциенгезельшафт Method of distillation separation of c5+-fractions
EP1393808A1 (en) * 2002-08-20 2004-03-03 Howard F. Kimel Distillation/reflux equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
КАВЕЦКИИ Г.Д. и др. Процессы и аппараты пищевых производств. - М.: Агропромиздат, 1991. *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015110126A1 (en) * 2014-01-27 2015-07-30 Сергей Евгеньевич УГЛОВСКИЙ Method for separating multi-component mixtures into fractions
EA026632B1 (en) * 2014-01-27 2017-04-28 Сергей Евгеньевич УГЛОВСКИЙ Method for separating multi-component mixtures into fractions

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Publication number Publication date
RU2011100812A (en) 2012-07-20

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20130113