WO2020071367A1 - Dispositif de séparation d'un mélange dans un liquide - Google Patents

Dispositif de séparation d'un mélange dans un liquide

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Publication number
WO2020071367A1
WO2020071367A1 PCT/JP2019/038754 JP2019038754W WO2020071367A1 WO 2020071367 A1 WO2020071367 A1 WO 2020071367A1 JP 2019038754 W JP2019038754 W JP 2019038754W WO 2020071367 A1 WO2020071367 A1 WO 2020071367A1
Authority
WO
WIPO (PCT)
Prior art keywords
evaporator
mixture
liquid
liquid containing
control valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2019/038754
Other languages
English (en)
Japanese (ja)
Inventor
前田　和幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2020071367A1 publication Critical patent/WO2020071367A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation

Definitions

  • the present invention relates to an apparatus for separating a mixture contained in a liquid by a difference in boiling point by distillation under reduced pressure, and a substance that is vaporized by arranging a heat exchanger between an evaporator equipped with a heating device and a vacuum pump.
  • a heat exchanger between an evaporator equipped with a heating device and a vacuum pump.
  • Patent Documents 3 and 4 there is a method in which a liquid is placed in a depressurized container, heated, vaporized and condensed, and separated from a mixture in the liquid.
  • a device that can separate and remove the mixture contained in the source fluid using only physical methods such as centrifugal force, inertial force, gravity, pressure difference, etc. has the characteristics of simple structure and easy maintenance and maintenance. If provided, the separation capacity may be reduced, and the apparatus may be increased in size.
  • a pump and a pump for transferring the liquid into the evaporator are used.
  • the present invention reduces the amount of heat supplied to the liquid containing the mixture by the heating device installed in the evaporator to heat the mixture contained in the fluid (energy saving), and reduces the amount of the liquid containing the mixture flowing into the evaporator.
  • the control valve (2) By installing the control valve (2) in the middle of the pipe flowing into the evaporator, the structure of interlocking the level sensor and the control valve (2) to control the amount of the liquid containing the mixture remaining in the evaporator is simple.
  • a device that has a structure and function that does not require power for example, a transfer pump) when transferring a liquid containing a mixture into an evaporator, while performing only with a device having a structure and function having reliability and durability. The purpose is to do.
  • the invention according to claim 1 is a flow control valve installed in a pipe (7a, 7b, 7c) flowing into an evaporator (1) in which a mixture in a liquid containing the mixture is separated due to a difference in boiling point.
  • a control valve (2) wherein the liquid containing the mixture flows into the evaporator (1) and is throttled when the amount of the liquid exceeds a set value, and the amount corresponding to the amount of evaporation of the liquid containing the mixture is evaporated.
  • a control valve (2) for maintaining a certain opening so as to flow into the vessel (1) a heat exchanger (3) connected to the control valve (2) via a pipe (7b), An evaporator (1) connected to the exchanger (3) via a pipe (7c), a level sensor (4) installed on the evaporator (1), and a pipe (8a) connected to the evaporator (1).
  • a vacuum connected to the heat exchanger (3) via a pipe (8b).
  • a pump (5) characterized in that it is constructed from the condenser (6) connected through a pipe (8c) to the vacuum pump (5).
  • a second aspect of the present invention is a flow control valve that is provided in a middle of a pipe through which a liquid containing a mixture and a level sensor provided in the evaporator flows into the evaporator while a negative pressure is provided in the evaporator.
  • the invention according to claim 3 is an apparatus for separating a mixture contained in a liquid by a difference in boiling point, wherein a vacuum pump (5) capable of setting a pressure in an evaporator (1) to an arbitrary degree of vacuum; A heating device installed in the evaporator (1) capable of arbitrarily setting the temperature in the evaporator (1), wherein the pressure and temperature of the liquid containing the mixture in the evaporator (1) are vaporized by the liquid. It can be set to an optimum value.
  • the invention according to claim 4 is an apparatus for separating a mixture contained in a liquid by a difference in boiling point, wherein a heat exchanger (3) is provided between an evaporator (1) and a vacuum pump (5).
  • the heat exchanger has a function of supplying the amount of heat (latent heat and sensible heat) held by the vaporized components to the liquid containing the mixture flowing into the evaporator. It is characterized in that an effect of reducing the amount of heat supplied to the liquid containing the mixture (energy saving effect) can be obtained.
  • the present invention is a storage device for separating contaminants in a liquid by a difference in boiling point, and by placing a heat exchanger between an evaporator and a vacuum pump, the amount of heat held by vaporized components can be effectively utilized (
  • the liquid containing the mixture is transferred into the evaporator by linking the level sensor installed in the evaporator and the control valve (2) installed in the piping for the liquid to flow into the evaporator.
  • structure that does not require power to be simple it is possible to maintain and maintenance to provide a mixed-removing device of easy (close to the maintenance-free) of liquid.
  • FIG. 1 is a flowchart showing an example of steps of an apparatus for separating and removing a mixture contained in a fluid according to an embodiment of the present invention.
  • the liquid containing the mixture in the evaporator is detected by a level sensor installed in the evaporator.
  • the control valve (2) which is a flow control valve installed in the middle of the pipe through which the liquid containing the mixture flows into the evaporator, ) Opens and the liquid containing the mixture flows into the evaporator.
  • the fluid naturally flows in due to the pressure difference.
  • the liquid containing the mixture via the control valve is heated in a heat exchanger.
  • the liquid containing the heated mixture flows into the evaporator, and when the amount exceeds the set value, the control valve is throttled.
  • an amount corresponding to the amount of evaporation of the liquid containing the mixture flows into the evaporator, and the control valve maintains a certain opening.
  • the liquid containing the mixture that has flowed into the evaporator is heated by a heating device installed in the evaporator, and is vaporized at a boiling point corresponding to the negative pressure of the vacuum pump and the high temperature of the heating device. And separate from the mixture.
  • the gaseous component exchanges heat with the liquid containing the mixture supplied to the evaporator in the heat exchanger, and as the temperature decreases, a part of the gas condenses and releases heat of condensation, so that a relatively low temperature is obtained. Heat is supplied to the liquid containing the mixture to increase the temperature.
  • the gaseous component that has passed through the heat exchanger reaches the condenser via a vacuum pump and is liquefied by being cooled.
  • FIG. 2 is a block diagram showing an example of a configuration of a device for separating and removing a mixture contained in a fluid according to an embodiment of the present invention.
  • the liquid mixture removal device is a flow control valve installed in the middle of a pipe (7a, 7b, 7c) flowing into an evaporator (1) in which a mixture in a liquid containing the mixture is separated due to a difference in boiling point.
  • the vacuum pump (5) is connected to the exchanger (3) via a pipe (8b), and the condenser (6) is connected to the vacuum pump (5) via a pipe (8c).
  • FIG. 3 is a conceptual diagram showing an example of an evaporator which is a main part of a device for separating a mixture in a liquid contained in a liquid according to an embodiment of the present invention.
  • the liquid containing the mixture that has flowed into the pipe leading to the evaporator by the control valve (2), which is a flow control valve, is heated by the heat exchanger, and then flows into the evaporator from the inlet provided at the lower part of the evaporator. .
  • the liquid containing the mixture that has flowed into the evaporator is heated by a heating device installed in the evaporator, and is vaporized at a temperature according to the pressure (negative pressure) in the evaporator set by a vacuum pump, into the liquid. Separated from contained mixture.
  • the vaporized components are sucked by the vacuum pump, flow out of the outlet 1 and reach the condenser via the heat exchanger.
  • the fluid containing the mixture is vaporized in the evaporator due to the difference in boiling point, and liquefied in the condenser, thereby being continuously separated from the mixture.
  • the present invention is applicable to a case where a mixture contained in a liquid is effectively separated.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

Ce dispositif de séparation d'un mélange dans un liquide est caractérisé en ce qu'il comprend : une vanne de commande (2) qui est une vanne de régulation de débit disposée en un point le long de la tuyauterie (7a,7b, 7c) s'écoulant vers un évaporateur (1) le mélange dans le liquide contenant un mélange étant séparé par une différence dans le point d'ébullition, et qui est étranglé si le débit du liquide contenant un mélange s'écoulant dans l'évaporateur (1) atteint ou dépasse une valeur définie et maintient un certain degré d'ouverture de telle sorte que le liquide contenant un mélange s'écoule dans l'évaporateur (1) dans une quantité correspondant à la quantité d'évaporation du liquide contenant un mélange; un échangeur de chaleur (3) qui est relié à la vanne de commande (2) par l'intermédiaire de la tuyauterie (7b); l'évaporateur (1) qui est relié à l'échangeur de chaleur (3) par l'intermédiaire de la tuyauterie (7c); un capteur de niveau (4) qui est disposé dans l'évaporateur (1); l'échangeur de chaleur (3) qui est relié à l'évaporateur (1) par l'intermédiaire d'une tuyauterie (8a); une pompe à vide (5) qui est relié à l'échangeur de chaleur (3) par l'intermédiaire d'une tuyauterie (8b); et un condenseur (6) qui est relié à la pompe à vide (5) par l'intermédiaire d'une tuyauterie (8c).
PCT/JP2019/038754 2018-10-02 2019-10-01 Dispositif de séparation d'un mélange dans un liquide Ceased WO2020071367A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-187577 2018-10-02
JP2018187577A JP6593729B1 (ja) 2018-10-02 2018-10-02 液体中の混合物分離装置

Publications (1)

Publication Number Publication Date
WO2020071367A1 true WO2020071367A1 (fr) 2020-04-09

Family

ID=68314085

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/038754 Ceased WO2020071367A1 (fr) 2018-10-02 2019-10-01 Dispositif de séparation d'un mélange dans un liquide

Country Status (2)

Country Link
JP (1) JP6593729B1 (fr)
WO (1) WO2020071367A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116952552A (zh) * 2023-06-08 2023-10-27 德安福(天津)汽车技术有限公司 低温真空循环法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7597373B2 (ja) * 2021-07-21 2024-12-10 和幸 前田 液体中の混合物を分離する装置と方法
JP7716159B1 (ja) * 2025-05-26 2025-07-31 和幸 前田 減圧蒸留装置と減圧蒸留方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0631103A (ja) * 1992-07-18 1994-02-08 Marusan Shokai:Kk ワーク洗浄用の可燃性溶剤の真空蒸留方法および真空蒸留機
JPH06269603A (ja) * 1993-03-19 1994-09-27 Tsukada Fuainesu:Kk 真空蒸留装置
WO1995006504A1 (fr) * 1993-08-30 1995-03-09 Kabushiki Kaisha Toshiba Procede et appareil de distillation sous pression reduite
JPH09313803A (ja) * 1996-05-27 1997-12-09 Keiji Nakaya 汚染溶剤液の精製方法
JP2002282844A (ja) * 2001-03-28 2002-10-02 Sasakura Engineering Co Ltd 廃水中の揮発性有機化合物を分離する方法
JP2004337657A (ja) * 2003-05-13 2004-12-02 Sasakura Engineering Co Ltd 廃水中の揮発性有機化合物を分離する方法及びその装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0422480A (ja) * 1990-05-16 1992-01-27 Konica Corp 写真処理廃液の蒸発濃縮処理装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0631103A (ja) * 1992-07-18 1994-02-08 Marusan Shokai:Kk ワーク洗浄用の可燃性溶剤の真空蒸留方法および真空蒸留機
JPH06269603A (ja) * 1993-03-19 1994-09-27 Tsukada Fuainesu:Kk 真空蒸留装置
WO1995006504A1 (fr) * 1993-08-30 1995-03-09 Kabushiki Kaisha Toshiba Procede et appareil de distillation sous pression reduite
JPH09313803A (ja) * 1996-05-27 1997-12-09 Keiji Nakaya 汚染溶剤液の精製方法
JP2002282844A (ja) * 2001-03-28 2002-10-02 Sasakura Engineering Co Ltd 廃水中の揮発性有機化合物を分離する方法
JP2004337657A (ja) * 2003-05-13 2004-12-02 Sasakura Engineering Co Ltd 廃水中の揮発性有機化合物を分離する方法及びその装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116952552A (zh) * 2023-06-08 2023-10-27 德安福(天津)汽车技术有限公司 低温真空循环法

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Publication number Publication date
JP2020054959A (ja) 2020-04-09
JP6593729B1 (ja) 2019-10-23

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