WO2020071367A1 - Device for separating mixture in liquid - Google Patents
Device for separating mixture in liquidInfo
- 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
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- WIPO (PCT)
- Prior art keywords
- evaporator
- mixture
- liquid
- liquid containing
- control valve
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
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- 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
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- 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.
Abstract
This device for separating a mixture in a liquid is characterized by comprising: a control valve (2) that is a flow rate control valve disposed at a point along piping (7a, 7b, 7c) flowing to an evaporator (1) where the mixture in the mixture-containing liquid is separated by a difference in the boiling point, and that is throttled if the flow rate of the mixture-containing liquid flowing into the evaporator (1) reaches or exceeds a set value and maintains a certain opening degree such that the mixture-containing liquid flows into the evaporator (1) in an amount corresponding to the amount of evaporation of the mixture-containing liquid; a heat exchanger (3) that is connected to the control valve (2) via the piping (7b); the evaporator (1) that is connected to the heat exchanger (3) via the piping (7c); a level sensor (4) that is disposed in the evaporator (1); the heat exchanger (3) that is connected to the evaporator (1) via piping (8a); a vacuum pump (5) that is connected to the heat exchanger (3) via piping (8b); and a condenser (6) that is connected to the vacuum pump (5) via piping (8c).
Description
本発明は、減圧蒸留により、液体中に含まれる混合物を沸点の違いにより分離する装置に係わり、加熱装置を備える蒸発器と真空ポンプの間に熱交換器を配置することにより、気化された物質が保有する熱量及びその一部が凝縮する際の凝縮熱によって蒸発器に流入する混合物を含む液体を加熱することにより、蒸発器に設置された加熱装置が混合物を含む液体に供給する熱量を低減でき（省エネルギー効果）、蒸発器に設置されたレベルセンサーと混合物を含む液体が蒸発器に流入する配管の途中に設置された制御弁（２）とを連動させることにより、蒸発器内に留まる液体の量を制御できるとともに、混合物を含む液体を蒸発器内に流入させる際に動力を必要としない構造と機能を有する、構造が簡単で保守・整備が容易という特性を有する装置の提供に関する。
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. By heating the liquid containing the mixture that flows into the evaporator by the amount of heat held by and the heat of condensation when a part of the heat is condensed, the amount of heat supplied to the liquid containing the mixture by the heating device installed in the evaporator is reduced The liquid remaining in the evaporator can be operated by linking a level sensor installed in the evaporator and a control valve (2) installed in a pipe in which the liquid containing the mixture flows into the evaporator. The structure and the function do not require power to flow the liquid containing the mixture into the evaporator, and have the characteristics of simple structure and easy maintenance and maintenance. That relates to the provision of equipment.
地球上においては液体中に様々な混合物が混在している状態が多く存在する。しかし、科学技術分野においては、汚水中の汚泥除去、油分に含まれる水分の除去など、源流体に含まれる混合物を除去して、出来るだけ原流体の純度を高める技術が求められている。そこで、近年では、遠心力を利用した遠心分離機による分離方法、慣性力を利用した分離方法、沈殿作用を利用した分離方法及びこれらの組み合わせによる方法や、さらに純度を高めるために液体を加熱することにより気化させてこれを凝縮させるという、液体中に含まれる混合物の沸点の違いにより分離する方法が用いられている。
液体 There are many states on the earth where various mixtures are mixed in liquids. However, in the field of science and technology, there is a demand for a technique for removing the mixture contained in the source fluid and increasing the purity of the raw fluid as much as possible, such as removal of sludge in wastewater and removal of water contained in oil. Therefore, in recent years, a separation method using a centrifugal separator using centrifugal force, a separation method using inertial force, a separation method using sedimentation, and a method using a combination thereof, and heating the liquid to further increase the purity In this case, a method is used in which a mixture contained in a liquid is separated by a difference in boiling point, in which the mixture is vaporized and condensed.
これらの方法のうち、例えば、特許文献１、２に記載されているように、遠心力、慣性力、重力、圧力差などの物理的手法のみを用いて混合物を分離・除去できるとの報告もあるが、源流体中に含まれる混合物を効果的に分離・除去する装置を実用化するためには、構造が簡単（加工が容易でかつ耐久性に優れている）で、保守・整備が容易（メインテナンスフリーに近い）という特性を必要とする。
Among these methods, for example, as described in Patent Documents 1 and 2, there are reports that a mixture can be separated and removed using only physical methods such as centrifugal force, inertial force, gravity, and pressure difference. However, in order to put into practical use a device that effectively separates and removes the mixture contained in the source fluid, its structure is simple (it is easy to process and has excellent durability) and maintenance and maintenance are easy. (Close to maintenance-free).
これに対し、例えば特許文献３、４に記載されているように、液体を減圧された容器内に入れこれを加熱して気化・凝縮して液体中の混合物から分離する方法がある。
On the other hand, as described in Patent Documents 3 and 4, for example, 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.
しかしながら、一般に、遠心力、慣性力、重力、圧力差などの物理的手法のみを用いて源流体中に含まれる混合物を分離・除去できる装置に、構造が簡単で保守・整備が容易という特性をもたせると、分離能力が低下するとともに、装置が大型化する可能性がある。
また、液体を減圧された容器内に入れこれを加熱して気化・凝縮して液体中の混合物から分離する方法を用いる場合、一般に、液体を蒸発器内に移送する際のポンプと蒸発器内を減圧するための真空ポンプを必要とするとともに、蒸発器内の液体をその沸点まで加熱するために供給する熱量と、蒸発器において気化された成分の温度を凝縮器内において凝固点まで下げるために熱量を放出させる装置を必要とする。また、蒸発器内に流入する液体の量を制御する装置を必要とする。 However, in general, 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.
In addition, when using a method in which a liquid is placed in a depressurized container and heated to be vaporized and condensed and separated from a mixture in the liquid, generally, a pump and a pump for transferring the liquid into the evaporator are used. To reduce the temperature of the components vaporized in the evaporator to the freezing point in the condenser and the amount of heat supplied to heat the liquid in the evaporator to its boiling point, Requires a device to release heat. Also, a device for controlling the amount of liquid flowing into the evaporator is required.
また、液体を減圧された容器内に入れこれを加熱して気化・凝縮して液体中の混合物から分離する方法を用いる場合、一般に、液体を蒸発器内に移送する際のポンプと蒸発器内を減圧するための真空ポンプを必要とするとともに、蒸発器内の液体をその沸点まで加熱するために供給する熱量と、蒸発器において気化された成分の温度を凝縮器内において凝固点まで下げるために熱量を放出させる装置を必要とする。また、蒸発器内に流入する液体の量を制御する装置を必要とする。 However, in general, 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.
In addition, when using a method in which a liquid is placed in a depressurized container and heated to be vaporized and condensed and separated from a mixture in the liquid, generally, a pump and a pump for transferring the liquid into the evaporator are used. To reduce the temperature of the components vaporized in the evaporator to the freezing point in the condenser and the amount of heat supplied to heat the liquid in the evaporator to its boiling point, Requires a device to release heat. Also, a device for controlling the amount of liquid flowing into the evaporator is required.
そこで本発明は、流体中に含まれる混合物を加熱するために蒸発器に設置された加熱装置が混合物を含む液体に供給する熱量を低減し（省エネルギー化）、蒸発器に流入する混合物を含む液体が蒸発器に流入する配管の途中に制御弁（２）を設置することにより、蒸発器内に留まる混合物を含む液体の量の制御をレベルセンサーと制御弁（２）の連動という構造が簡単で信頼性・耐久性がある構造と機能を持つ装置のみで行わせるとともに、混合物を含む液体を蒸発器内に移送する際の動力（例えば移送ポンプ）を必要としない構造と機能を有する装置を提供することを目的とする。
Therefore, 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. 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. Provide 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.
請求項１に記載の発明は、混合物を含む液体中の混合物が沸点の違いにより分離される蒸発器（１）に流入する配管（７ａ，７ｂ，７ｃ）の途中に設置された流量制御弁である制御弁（２）であって、前記混合物を含む液体が蒸発器（１）に流入してその量が設定値以上になると絞られ、前記混合物を含む液体の蒸発量に応じた量が蒸発器（１）内に流入するようにある開度を保つ前記制御弁（２）と、この制御弁（２）に配管（７ｂ）を介して接続される熱交換器（３）と、この熱交換器（３）に配管（７ｃ）を介して接続される蒸発器（１）と、この蒸発器（１）に設置されたレベルセンサー（４）と、この蒸発器（１）に配管（８ａ）を介して接続される熱交換器（３）と、この熱交換器（３）に配管（８ｂ）を介して接続される真空ポンプ（５）と、この真空ポンプ（５）に配管（８ｃ）を介して接続される凝縮器（６）とから構成されることを特徴とする。
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). ) And 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).
請求項２に記載の発明は、蒸発器内を負圧にするとともに、蒸発器に設置されたレベルセンサーと混合物を含む液体が蒸発器に流入する配管の途中に設置された流量制御弁である制御弁（２）を連動させることにより、蒸発器内に留まる混合物を含む液体の量を保持する機能を持たせるとともに、混合物を含む液体を蒸発器内に流入させる際に動力を必要としない構造と機能を有することを特徴とする。
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. By interlocking the control valve (2) , a function of retaining the amount of the liquid containing the mixture remaining in the evaporator is provided, and no power is required when the liquid containing the mixture flows into the evaporator. And a function.
請求項３に記載の発明は、液体中に含まれる混合物を沸点の違いにより分離する装置であって、蒸発器（１）内の圧力を任意の真空度に設定できる真空ポンプ（５）と、蒸発器（１）内の温度を任意に設定できる蒸発器（１）に設置された加熱装置とを備え、蒸発器（１）内の混合物を含む液体の圧力と温度をその液体が気化するのに最適な値に設定できることを特徴とする。
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.
請求項４に記載の発明は、液体中に含まれる混合物を沸点の違いにより分離する装置であって、蒸発器（１）と真空ポンプ（５）の間に熱交換器（３）を設置して、この熱交換器に、気化された成分が保有する熱量（潜熱と顕熱）を蒸発器に流入する混合物を含む液体に供給するという機能を持たせ、蒸発器に設置された加熱装置が混合物を含む液体に供給する熱量を低減するという効果（省エネルギー効果）を得ることができることを特徴とする。
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.
本発明は、液体中の混入物を沸点の差により分離する蔵置で、熱交換器を蒸発器と真空ポンプの間に設置することにより、気化した成分が保有する熱量を効果的に活用できる（省エネルギー効果）とともに、蒸発器に設置したレベルセンサーと液体が蒸発器に流入するための配管の途中に設置された制御弁（２）を連動させることにより、混合物を含む液体を蒸発器内に移送するための動力を必要としないという構造が簡単で、保守・整備が容易（メインテナンスフリーに近い）な液体中の混合物除去装置を提供することができる。
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 ( In addition to the energy-saving effect, 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.
以下に、本発明に係る実施形態について図面を参照しながら説明する。
図１は、本発明の実施の形態に係る流体に含まれる混合物の分離・除去装置の工程の一例を示したフローチャートである。
蒸発器内の混合物を含む液体は蒸発器に設置されたレベルセンサーにより検出される。
レベルセンサーにより蒸発器内の液体の量が設定値以下であることが検知されると、混合物を含む液体が蒸発器内に流入する配管の途中に設置された流量制御弁である制御弁（２）が開き、混合物を含む液体が蒸発器内に流入する。この時、蒸発器内は真空ポンプにより減圧され負圧になっているため、流体は圧力差により自然流入する。
制御弁を経た混合物を含む液体は熱交換器において加熱される。
加熱された混合物を含む液体は蒸発器に流入し、その量が設定値以上になると制御弁が絞られる。これにより、混合物を含む液体の蒸発量に応じた量が蒸発器内に流入し、制御弁はある開度を保つことになる。
蒸発器内に流入した混合物を含む液体は、蒸発器に設置された加熱装置により加熱されて、真空ポンプによる負圧と加熱装置による高温に対応した沸点において気化し、混紡物を含む液体は気体となって混合物と分離する。
気体となった成分は、熱交換器において蒸発器に供給される混合物を含む液体と熱交換を行い、温度が低下するとともに一部は凝縮して凝縮熱を放出することにより、比較的低温の混合物を含む液体に熱を供給して温度を上昇させる。
熱交換器を経た気体となった成分は真空ポンプを経て凝縮器に至り、冷却されることにより液化する。
一方、蒸発器において沸点に至らなかった成分（混合物）は蒸発器に留まり続けるため、これを蒸発器の外に排出する必要がある。その方法として、蒸発器に設置された加熱装置と真空ポンプの作動を停止することにより蒸発器内の圧力を正圧にした状態で、蒸発器の下部に設置された流出口を開くことにより、分離された成分は蒸発器の外に排出される。 An embodiment according to the present invention will be described below with reference to the drawings.
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.
When the level sensor detects that the amount of liquid in the evaporator is equal to or less than the set value , 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. At this time, since the inside of the evaporator is depressurized by the vacuum pump to a negative pressure, 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. As a result , 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.
On the other hand, components (mixtures) that did not reach the boiling point in the evaporator continue to remain in the evaporator, and must be discharged out of the evaporator. As a method, by stopping the operation of the heating device and the vacuum pump installed in the evaporator, while maintaining the pressure in the evaporator to a positive pressure, by opening the outlet installed in the lower part of the evaporator, The separated components are discharged outside the evaporator.
図１は、本発明の実施の形態に係る流体に含まれる混合物の分離・除去装置の工程の一例を示したフローチャートである。
蒸発器内の混合物を含む液体は蒸発器に設置されたレベルセンサーにより検出される。
レベルセンサーにより蒸発器内の液体の量が設定値以下であることが検知されると、混合物を含む液体が蒸発器内に流入する配管の途中に設置された流量制御弁である制御弁（２）が開き、混合物を含む液体が蒸発器内に流入する。この時、蒸発器内は真空ポンプにより減圧され負圧になっているため、流体は圧力差により自然流入する。
制御弁を経た混合物を含む液体は熱交換器において加熱される。
加熱された混合物を含む液体は蒸発器に流入し、その量が設定値以上になると制御弁が絞られる。これにより、混合物を含む液体の蒸発量に応じた量が蒸発器内に流入し、制御弁はある開度を保つことになる。
蒸発器内に流入した混合物を含む液体は、蒸発器に設置された加熱装置により加熱されて、真空ポンプによる負圧と加熱装置による高温に対応した沸点において気化し、混紡物を含む液体は気体となって混合物と分離する。
気体となった成分は、熱交換器において蒸発器に供給される混合物を含む液体と熱交換を行い、温度が低下するとともに一部は凝縮して凝縮熱を放出することにより、比較的低温の混合物を含む液体に熱を供給して温度を上昇させる。
熱交換器を経た気体となった成分は真空ポンプを経て凝縮器に至り、冷却されることにより液化する。
一方、蒸発器において沸点に至らなかった成分（混合物）は蒸発器に留まり続けるため、これを蒸発器の外に排出する必要がある。その方法として、蒸発器に設置された加熱装置と真空ポンプの作動を停止することにより蒸発器内の圧力を正圧にした状態で、蒸発器の下部に設置された流出口を開くことにより、分離された成分は蒸発器の外に排出される。 An embodiment according to the present invention will be described below with reference to the drawings.
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.
When the level sensor detects that the amount of liquid in the evaporator is equal to or less than the set value , 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. At this time, since the inside of the evaporator is depressurized by the vacuum pump to a negative pressure, 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. As a result , 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.
On the other hand, components (mixtures) that did not reach the boiling point in the evaporator continue to remain in the evaporator, and must be discharged out of the evaporator. As a method, by stopping the operation of the heating device and the vacuum pump installed in the evaporator, while maintaining the pressure in the evaporator to a positive pressure, by opening the outlet installed in the lower part of the evaporator, The separated components are discharged outside the evaporator.
図２は、本発明の実施の形態に係る流体に含まれる混合物の分離・除去装置の構成の一例を示したブロック線図である。液体の混合物除去装置は、混合物を含む液体中の混合物が沸点の違いにより分離される蒸発器（１）に流入する配管（７ａ，７ｂ，７ｃ）の途中に設置された流量制御弁である制御弁（２）と、この制御弁（２）に配管（７ｂ）を介して接続される熱交換器（３）と、この熱交換器（３）に配管（７ｃ）を介して接続される蒸発器（１）と、この蒸発器（１）に設置されたレベルセンサー（４）と、この蒸発器（１）に配管（８ａ）を介して接続される熱交換器（３）と、この熱交換器（３）に配管（８ｂ）を介して接続される真空ポンプ（５）と、この真空ポンプ（５）に配管（８ｃ）を介して接続される凝縮器（６）とから構成されている。
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. A valve (2), a heat exchanger (3) connected to the control valve (2) via a pipe (7b), and an evaporation connected to the heat exchanger (3) via a pipe (7c). An evaporator (1), a level sensor (4) installed in the evaporator (1), a heat exchanger (3) connected to the evaporator (1) via a pipe (8a), 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). I have.
図３は、本発明の実施の形態に係る液体に含まれる液体中の混合物分離装置の主要部である蒸発器の一例を示した概念図である。
流量制御弁である制御弁（２）により蒸発器に至る配管に流入した混合物を含む液体は、熱交換器により加熱された後、蒸発器下部に設置された流入口から蒸発器内に流入する。 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. .
流量制御弁である制御弁（２）により蒸発器に至る配管に流入した混合物を含む液体は、熱交換器により加熱された後、蒸発器下部に設置された流入口から蒸発器内に流入する。 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. .
蒸発器に流入した混合物を含む液体は、蒸発器に設置された加熱装置により加熱されて、真空ポンプによって設定された蒸発器内の圧力（負圧）に応じた温度において気化し、液体中に含まれる混合物と分離される。
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.
気化した成分は、真空ポンプにより吸引され、流出口１から流出し、熱交換器を経て凝縮器に至る。
The vaporized components are sucked by the vacuum pump, flow out of the outlet 1 and reach the condenser via the heat exchanger.
沸点の差により分離され、蒸発器内に留まった成分（混合物）は蒸発器内に留まり続けるため、適時排出する必要がある。この方法の一つとして、真空ポンプと加熱器の作動を停止して蒸発器内が正圧に転じた後に、蒸発器の底部に設置された流出口２を開放することにより、蒸発器内に留まっていた成分（混合物）は容器外へ流出する。
成分 Components (mixtures) separated by the difference in boiling points and remaining in the evaporator must remain in the evaporator and must be discharged in a timely manner. As one of the methods, after the operation of the vacuum pump and the heater is stopped and the inside of the evaporator is turned to a positive pressure, the outlet 2 provided at the bottom of the evaporator is opened to open the inside of the evaporator. The remaining components (mixture) flow out of the container.
比較的密度差の小さな流体（混合物）は分離容器の上部に滞留するが、循環ポンプにより吸入されることにより容器外へ流出する。
流体 Fluid (mixture) with a relatively small density difference stays in the upper part of the separation vessel, but flows out of the vessel by being sucked by the circulation pump.
これらの作用を連続的に行うことにより、混合物を含む流体は沸点の差により蒸発器において気化し、凝縮器において液化することにより、連続的に混合物と分離される。
流体 By continuously performing these operations, 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.
本発明は、液体中に含まれる混合物を効果的に分離する場合に適用可能である。
The present invention is applicable to a case where a mixture contained in a liquid is effectively separated.
（１）蒸発器
（２）制御弁
（３）熱交換器
（４）レベルゲージ
（５）真空ポンプ
（６）凝縮器
（７ａ）外部から制御弁に至る配管
（７ｂ）制御弁から熱交換器に至る配管
（７ｃ）熱交換器から蒸発器に至る配管
（８ａ）蒸発器から熱交換器に至る配管
（８ｂ）熱交換器から真空ポンプに至る配管
（８ｃ）真空ポンプから凝縮器に至る配管
(1) Evaporator (2) Control valve (3) Heat exchanger (4) Level gauge (5) Vacuum pump (6) Condenser (7a) Piping from outside to control valve (7b) Control valve to heat exchanger (7c) Pipe from heat exchanger to evaporator (8a) Pipe from evaporator to heat exchanger (8b) Pipe from heat exchanger to vacuum pump (8c) Pipe from vacuum pump to condenser
（２）制御弁
（３）熱交換器
（４）レベルゲージ
（５）真空ポンプ
（６）凝縮器
（７ａ）外部から制御弁に至る配管
（７ｂ）制御弁から熱交換器に至る配管
（７ｃ）熱交換器から蒸発器に至る配管
（８ａ）蒸発器から熱交換器に至る配管
（８ｂ）熱交換器から真空ポンプに至る配管
（８ｃ）真空ポンプから凝縮器に至る配管
(1) Evaporator (2) Control valve (3) Heat exchanger (4) Level gauge (5) Vacuum pump (6) Condenser (7a) Piping from outside to control valve (7b) Control valve to heat exchanger (7c) Pipe from heat exchanger to evaporator (8a) Pipe from evaporator to heat exchanger (8b) Pipe from heat exchanger to vacuum pump (8c) Pipe from vacuum pump to condenser
Claims (4)
- 混合物を含む液体中の混合物が沸点の違いにより分離される蒸発器（１）に流入する配管（７ａ，７ｂ，７ｃ）の途中に設置された流量制御弁である制御弁（２）であって、前記混合物を含む液体が蒸発器（１）に流入してその量が設定値以上になると絞られ、前記混合物を含む液体の蒸発量に応じた量が蒸発器（１）内に流入するようにある開度を保つ前記制御弁（２）と、この制御弁（２）に配管（７ｂ）を介して接続される熱交換器（３）と、この熱交換器（３）に配管（７ｃ）を介して接続される蒸発器（１）と、この蒸発器（１）に設置されたレベルセンサー（４）と、この蒸発器（１）に配管（８ａ）を介して接続される熱交換器（３）と、この熱交換器（３）に配管（８ｂ）を介して接続される真空ポンプ（５）と、この真空ポンプ（５）に配管（８ｃ）を介して接続される凝縮器（６）とから構成されることを特徴とする液体中の混合物分離装置。 A control valve (2) which 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 by a difference in boiling point. When the liquid containing the mixture flows into the evaporator (1) and the amount of the liquid exceeds the set value, the liquid is throttled, and an amount corresponding to the amount of evaporation of the liquid containing the mixture flows into the evaporator (1). , A heat exchanger (3) connected to the control valve (2) via a pipe (7b), and a pipe (7c) connected to the heat exchanger (3). ), A level sensor (4) installed in the evaporator (1), and a heat exchange connected to the evaporator (1) through a pipe (8a). (3), a vacuum pump (5) connected to the heat exchanger (3) through a pipe (8b), and a vacuum pump (5). Pump (5) to the pipe condenser connected via a (8c) (6) being constituted from a mixture separation device in a liquid, characterized in.
- 蒸発器内を負圧にするとともに、蒸発器に設置されたレベルセンサーと混合物を含む液体が蒸発器に流入する配管の途中に設置された流量制御弁である制御弁（２）を連動させることにより、蒸発器内に留まる混合物を含む液体の量を保持する機能を持たせるとともに、混合物を含む液体を蒸発器内に流入させる際に動力を必要としない構造と機能を有することを特徴とする、請求項１に記載された流体中の混合物分離装置。 A negative pressure is applied to the inside of the evaporator, and a control valve (2) , which is a flow control valve installed in the middle of a pipe through which a liquid containing a mixture flows into the evaporator, is connected to a level sensor installed in the evaporator. Thus, while having the function of retaining the amount of the liquid containing the mixture remaining in the evaporator, it has a structure and function that does not require power when the liquid containing the mixture flows into the evaporator. , mixed-product separator in fluid as claimed in claim 1.
- 液体中に含まれる混合物を沸点の違いにより分離する装置であって、蒸発器（１）内の圧力を任意の真空度に設定できる真空ポンプ（５）と、蒸発器（１）内の温度を任意に設定できる蒸発器（１）に設置された加熱装置とを備え、蒸発器（１）内の混合物を含む液体の圧力と温度をその液体が気化するのに最適な値に設定できることを特徴とする、請求項１又は請求項２に記載された液体中の混合物分離装置。 An apparatus for separating a mixture contained in a liquid by a difference in boiling point, comprising a vacuum pump (5) capable of setting a pressure in an evaporator (1) to an arbitrary degree of vacuum, and a temperature in an evaporator (1). A heating device installed in the evaporator (1) that can be arbitrarily set, wherein the pressure and temperature of the liquid containing the mixture in the evaporator (1) can be set to optimal values for the liquid to evaporate. The apparatus for separating a mixture in a liquid according to claim 1 or 2, wherein:
- 液体中に含まれる混合物を沸点の違いにより分離する装置であって、蒸発器（１）と真空ポンプ（５）の間に熱交換器（３）を設置して、この熱交換器に、気化された成分が保有する熱量（潜熱と顕熱）を蒸発器に流入する混合物を含む液体に供給するという機能を持たせることにより、蒸発器に設置された加熱装置が混合物を含む液体に供給する熱量を低減するという効果（省エネルギー効果）を得ることができることを特徴とする、請求項１又は請求項２に記載された液体中の混合物分離装置。 A device for separating a mixture contained in a liquid by a difference in boiling point, wherein a heat exchanger (3) is installed between an evaporator (1) and a vacuum pump (5), and the heat exchanger is vaporized. By providing a function of supplying the amount of heat (latent heat and sensible heat) possessed by the separated component to the liquid containing the mixture flowing into the evaporator, the heating device installed in the evaporator supplies the liquid containing the mixture to the liquid containing the mixture The apparatus for separating a mixture in a liquid according to claim 1 or 2, wherein an effect of reducing the amount of heat (energy saving effect) can be obtained.
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| JP2018-187577 | 2018-10-02 | ||
| JP2018187577A JP6593729B1 (en) | 2018-10-02 | 2018-10-02 | Separation equipment for mixture in liquid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0422480A (en) * | 1990-05-16 | 1992-01-27 | Konica Corp | Apparatus for evaporative concentration treatment of waste photographic processing solution |
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- 2019-10-01 WO PCT/JP2019/038754 patent/WO2020071367A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0631103A (en) * | 1992-07-18 | 1994-02-08 | Marusan Shokai:Kk | Vacuum distillation method of combustible solvent for work washing and vacuum distillation apparatus |
| JPH06269603A (en) * | 1993-03-19 | 1994-09-27 | Tsukada Fuainesu:Kk | Vacuum distillation device |
| WO1995006504A1 (en) * | 1993-08-30 | 1995-03-09 | Kabushiki Kaisha Toshiba | Method of and apparatus for distillation under reduced pressure |
| JPH09313803A (en) * | 1996-05-27 | 1997-12-09 | Keiji Nakaya | Method for purifying contaminated solvent |
| JP2002282844A (en) * | 2001-03-28 | 2002-10-02 | Sasakura Engineering Co Ltd | Method for separating volatile organic compound in waste water |
| JP2004337657A (en) * | 2003-05-13 | 2004-12-02 | Sasakura Engineering Co Ltd | Method for separating volatile organic compound from wastewater and apparatus therefor |
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