JP3070829B2 - Separation device and separation method by electromagnetic induction heating - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a separating apparatus and a separating method for boiling a liquid having a boiling point to separate them into a pure state by electromagnetic induction heating.

[0002]

2. Description of the Related Art Conventionally, in this separation step, some volatile components can be separated by applying temperature, pressure, etc., taking advantage of the fact that the composition of a liquid mixture and the composition of vapor generated therefrom are different. is there. That is, this is a method in which the vapor generated from the liquid is immediately condensed and liquefied, and is directly extracted out of the line. In this method, a part of the condensed liquid is returned to the line, and the vapor is brought into contact with the generated steam in a countercurrent manner to increase the degree of separation. In any case, to vaporize the liquid,
A boiler, a reboiler, a decompression or heating device, and the like are provided.

[0003]

When a high-temperature heat medium is supplied from one boiler, the heat medium is sent through a pipe, so that a large heat loss is caused. The reboiler is usually installed near, but the size and weight are large, so the installation space is large and maintenance is troublesome.

The present invention has been made to solve such problems, and provides a separation device and a separation method by electromagnetic induction heating that have high thermal efficiency, are compact, and are easy to control.

[0005]

According to a first aspect of the present invention, there is provided an insulator column to which an inlet for a multicomponent liquid having different boiling points and a transfer pipe for a vaporized gas are connected.
An energizable coil wound on the insulator column, a laminated packing body incorporated in the insulator column and generating heat by electromagnetic induction by the coil; and comprising a heating controller for controlling the temperature of the packing, and a condenser connected to the transfer pipe, the product
The layer-filled body has a large number of base materials formed into a waveform.
Laminated so as to intersect, and a regular fluid passage between the substrates
Is obtained by forming, the temperature of the laminate packings and the boiling point temperature of a specific component of the multi-component liquid, evaporation of the specific components on the surface of the substrate constituting the laminated packing, the condensing this evaporation gas This is a separation device using electromagnetic induction heating, which is guided to a vessel to separate the specific component. The invention according to claim 2 is a step of charging multi-component liquids having different boiling points into an insulating column to which a liquid input port and a gas transfer pipe are connected, and winding the multi-component liquid on the insulating column. The stacked packing material incorporated in the insulator column by energizing the coil is set to the boiling point temperature of the specific component of the multi-component liquid, the stacked packing material, a large number of corrugated base material the wave
Laminate so that the shapes intersect, and form a fluid
Forming a passage, evaporating the specific component on the surface of the base material, extracting vaporized gas from the stacked packing into the gas transfer pipe, guiding the gas to a condenser, and separating the specific component. And a separation method using electromagnetic induction heating.

[0006]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a partial sectional front view showing a batch system according to a first embodiment of the present invention.

First, an outline of the structure will be described with reference to FIG. In the figure, an evaporator (22) having a liquid inlet (11)
And a condenser (8) connected to the evaporator (22) by a vapor gas transfer pipe (12) and a container (13) connected to the condenser (8) by a liquid transfer pipe (18). It is configured. A switch (9), which is provided in the middle of the evaporative gas transfer pipe (12) and allows gas liquid to pass or not, is connected to the condenser (8) and each of the containers (13) divided into a plurality of boiling points. The flow of the fluid in the system is controlled by a switch (9) provided in each of the liquid transfer pipes (18) for passing and blocking the liquid.

The evaporator (22) is a vessel for evaporating and evaporating multi-component liquids having different boiling points, and includes an oscillation insulator column (1) having a coil (2) wound on an outer wall thereof, and an oscillation insulator column ( Coil (2) wound on the outer wall of (1)
And a heating controller (15) for the coil (2), an electromagnetic wave leakage prevention plate (5) covering the coil (2), and a heating element which is incorporated in the oscillation insulator column (1). A laminated packing (3), and an anti-wall flow plate (2) between the outer periphery of the laminated packing (3) and the inner periphery of the oscillation insulator column (1).
1) and a stirrer (6) at the bottom of the oscillation insulator column (1). The coil (2) is wound around the outer wall of the oscillation insulator column (1), and the coil (2) is wound in a state where the coil (2) is wound.
It can also be buried in.

The condenser (8) includes an oscillation insulator column (1).
A coil (2) wound around the outer wall of the oscillation insulator column (1); and a cooling controller (1) for the coil (2).
4) and an electromagnetic wave leakage prevention plate (5) covering the coil (2)
And a stacked packing (3) incorporated in the oscillation insulator column (1); and wall flow prevention between the outer periphery of the stacked packing (3) and the inner periphery of the oscillation insulator column (1). Board (21)
And the fan (1) at the top of the oscillation insulator column (1)
6).

[0010] The container (13) comprises a first container (13-1), a second container (13-2), and a third container (13-3) for receiving liquids having respective boiling points separated by a difference in boiling point. It consists of

[0011] With the above-mentioned combination of equipment configurations, multicomponent liquids having different boiling points are separated in the following first to sixth steps. First step: Multi-component liquids having different boiling points are placed in the oscillation insulator column (1) for vaporizing the liquid. Second step: When a current is applied to the coil (2) of the oscillation insulator column (1), lines of magnetic force are generated, and the magnetic flux alternates with the alternating voltage of the coil (2), so that the stacked packing (3) An eddy current is generated in the stack, and the stacked packing (3) rises to the temperature of each boiling point, and the stacked packing itself becomes a heating element. Third step: The multi-component liquids having different boiling points, which have been impregnated, are stirred by the stirrer (6), and the laminated packing body (3)
To make quick and uniform contact on both sides. Fourth step: the multi-component liquid is brought into contact with the front and back surfaces of the laminated packing material (3) having the respective boiling points while being stirred,
The gas is volatilized, scattered, diffused and dispersed regularly while being turbulent. The gas is expelled from the oscillating insulator column (1), passes through the connected evaporative gas transfer pipe (12), and opens the switch (9). pass. Step 5: vapor liquid that has passed through the switch (9) is then the liquid enters the cooled condenser (8). Step 6: condenser liquid that has passed from (8) the liquid transfer tube (18), each container separated by respective boiling point (1
Flow into 3).

More specifically, it is as follows. For example, three kinds of liquids having different boiling points of 30 ° C., 60 ° C., and 80 ° C., respectively, are stuck into the oscillation insulator column (1), a current is passed through the coil (2), and the laminated packing (3) is heated by electromagnetic induction heating. If the temperature of (30) is set to 30 ° C. and the liquid is stirred by the stirrer (6), the liquid having a boiling point of 30 ° C. is expelled as an evaporating gas and is expelled, and the connected evaporating gas transfer pipe (12).
, Liquefied in the cooled condenser (8) after passing through the opened switch (9), and liquefied in the container (13-1) (container (13-
2), the switch (9) of the container (13-3) is closed).

After evaporating the liquid having a boiling point of 30 ° C., if the laminated packing material (3) is heated to 60 ° C., the container (13-2) (container (13-1), container (13-1), −
The liquid having a boiling point of 60 ° C. flows into the switch (9) of (3) which is closed).
1) The switch (9) of the container (13-2) is closed, and the same operation is repeated, and a liquid having a boiling point of 80 ° C is charged into the container.
In this way, each of 30 ° C., 60 ° C. and 80 ° C.
It separates liquids having different boiling points.

FIG. 2 is a partial sectional front view showing a continuous separation system according to a second embodiment of the present invention. A lamination packing (3) is incorporated in the oscillation insulator column (1), and a gas and liquid distributor (10) is provided on the top of the lamination packing. (23) is a separation still. The same reference numerals are given to the parts that operate in the same manner as in FIG. 1, and the description thereof will be omitted.

This step is the same basic step as FIG. 1, but
The continuous separation system distributes liquids having different boiling points in the distributor (10), makes the liquids fall uniformly, and separates the stacked packings (3) incorporated in the respective oscillation insulator columns (1). The boiling point temperature of liquids having different boiling points is set, and the separated liquid is continuously charged. The liquid having a low boiling point becomes vaporized gas in the oscillation insulating column (1) of the container A, is taken out, liquefied in the condenser (8), and transferred to the separated liquid container (17). The liquid having a high boiling point, which is not evaporated and vaporized in the oscillation insulator column (1) of the container A, is separated in the oscillation insulator column (1) of the container B in the same manner as in the process of the container A. The liquid higher than the boiling point which is not evaporated and vaporized in the oscillation insulator column (1) of the container B
Is evaporated. In this way, through the process of continuously repeating the evaporation and vaporization, each becomes a separated liquid.

FIG. 3 is a partial cross-sectional view showing a third embodiment of the present invention, in which a plurality of stacked packings (3) incorporated in an oscillation insulator column (1) are stacked. When the amount of liquid to be separated is a large amount and a mixed liquid having a different boiling point is various, a higher purity separated liquid can be obtained by stacking a plurality of stacked packing bodies (3). In this case, since the falling process is long, a liquid collector (19) and a redistributor (20) are provided on the way to further subdivide the liquid contact surface, and at the same time, the top part of the oscillation insulator column (1). Up to a certain distance, the temperature of the laminate itself is cooled until the temperature of the falling liquid reaches the boiling point, so that the laminate is passed through the laminate packing (3) having the boiling point while controlling the temperature. Things.

Next, the details of each device shown in FIGS. 1 to 3 will be described with reference to FIGS. FIG. 4 is a partial sectional front view of the condenser (8) according to the first to third embodiments of the present invention. The heat exchange part of the condenser is formed by the laminated packing (3). A fan (16) is provided at the upper part of the condenser.

FIG. 5 is a partial cross-sectional front view of the lamination of the base material (4) of the laminated packing body (3) incorporated in the oscillation insulator column (1) of the present invention. The material of the substrate (4) is a metal plate, a punched metal plate, a lath-shaped metal plate, a wire mesh, or ceramics. Further, the front and back surfaces of the base material are formed in satin finish and embossing. Further, a flat plate whose front and back surfaces of the base material are not processed may be used. Further, the base material is formed in a corrugated shape, and the cross-sectional shape is formed in a triangular, square, round or the like. Further, the waveform of the base material is formed to have an inclination angle (4-2) with respect to the vertical axis (4-3). In addition, a flat plate (7) with perforated front and back surfaces and a matte or embossed surface is inserted while the waveform of the base material overlaps with the waveform of the adjacent base material so as to cross each other. The intersections of the substrates are welded. In the laminated packing body (3) having such a configuration, regular fluid passages are formed between the substrates (4) along the waveform.

As described above, a passage-structured body that volatilizes, emits, disperses, and diffuses regularly while the gas is turbulent is formed of a laminated packing body, and this is heated by electromagnetic induction heating to generate different mixed liquids. A natural heating element with a temperature of, and the specific surface area of the structure is large, the contact between gas and liquid is large, the pressure loss is extremely small, and the vaporized gas is passed through a condenser and divided directly into its boiling points. The separated liquid can be transferred to each container, and the use of petroleum energy by heating can be eliminated.

FIG. 6 is a diagram showing the shape of the oscillation insulator column (1) of the present invention. The sectional shape of the oscillation insulator column is circular (see FIG. 6A), elliptical (see FIG. 6B),
It is formed in a square shape (see FIG. 6C).

FIG. 7 is a diagram showing the shape of the base material (4) of the laminated packing material (3) of the present invention. Drilling multiple holes in the base material (4
-5).

FIG. 8 is a diagram showing the shape of the front and back surfaces of the substrate (4) of the laminated packing material (3) of the present invention. A plurality of convex portions (4
-6) or a concave portion (4-7).

FIG. 9 is a cross-sectional side view of a plurality of stacked packings (3) according to a third embodiment of the present invention. A plurality of stacked packing bodies (3) are stacked in the direction of the vertical axis (4-3).

[0024]

According to the first aspect of the present invention, since the laminated packed body of the insulator column is heated by the electromagnetic induction heating to control the temperature, the laminated packed body comes into direct contact with the liquid and heat is exchanged quickly. The heat efficiency is excellent. In addition, the equipment itself can be made compact, the energy for heating can be reduced, and the startup time can be shortened. In addition, the laminated packing body
Means that the waveform intersects a large number of substrates shaped into a waveform
So that they form a regular fluid passage between the substrates
Der because those were, by increasing the specific surface area, it is possible to reduce the specific volume, the difference between the surface temperature of the heating element can be kept low, polymerization such as when the temperature difference is high, scorching of The occurrence can be prevented. According to the second aspect of the present invention, as in the first aspect, the liquid can be efficiently boiled, the heating energy can be reduced, and the start-up time can be shortened.

[Brief description of the drawings]

FIG. 1 is a partial sectional front view of a first embodiment of the present invention.

FIG. 2 is a partial sectional front view of a second embodiment of the present invention.

FIG. 3 is a partial sectional front view in which a plurality of oscillation insulator columns according to a second embodiment of the present invention are stacked.

FIG. 4 is a partial cross-sectional front view of the condenser according to the first to third embodiments of the present invention.

FIG. 5 is a partial cross-sectional front view of a stack of base materials of a laminated packing material incorporated in the oscillation insulator column of the present invention.

FIG. 6 is a diagram showing the shape of an oscillation insulator column according to the present invention.

FIG. 7 is a diagram showing a shape of a base material of the laminated packing body of the present invention.

FIG. 8 is a diagram showing the shape of the front and back surfaces of the base material of the laminated packing body of the present invention.

FIG. 9 is a cross-sectional side view of a plurality of stacked stacked packing bodies according to a third embodiment of the present invention.

[Explanation of symbols]

(1) ─ Oscillator insulator column (insulator column) (1-1) 円 形 Oscillator insulator column circular (1-2) ─ Oscillator insulator column oval (1-3) ─ Oscillator insulator column square (2)コ イ ル Coil (3) ─ Laminated packing (4) 基材 Substrate (4-1) ─ Intersection (4-2) 傾斜 Inclination angle of waveform (4-3) 縦 軸 Vertical axis of substrate (4-4) 基Waveform of material (4-5) 孔 Hole of base material (4-6) 凸 Convex part of base material (4-7) 凹 部 Concave part of base material (5) 防止 Electromagnetic wave leakage prevention plate (6) 攪拌 Stirrer (7) ) 平板 Flat plate inserted (8) 凝縮 Condenser (9) 開 閉 Switch (10) ─ Distributor (11) 液体 Liquid inlet (12) ─ Evaporated gas transfer pipe (13) 分 Separation of each boiling point (14) 冷却 Cooling controller (15) 加 Heating controller (16) ─ Fan (17) ─ Separation container (18) ─ Liquid transfer pipe (19) ─ Collector 20) ─ redistributor (21) ─ wall flow prevention plate (22) ─ evaporation container (23) ─ separator distiller

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B01D 3/26 B01D 3/32 H05B 6/10 311

Claims (2)

(57) [Claims] An insulator column to which an inlet for a multi-component liquid having different boiling points and a transfer pipe for evaporated gas are connected,
An energizable coil wound on the insulator column, a laminated packing body incorporated in the insulator column and generating heat by electromagnetic induction by the coil; and A heating controller for controlling the temperature of the packing body, and a condenser connected to the transfer pipe, the stacked packing body, a large number of corrugated substrates, the
Laminate so that the waveforms intersect, and flow regularly between the substrates.
A body passage, wherein the temperature of the laminated filler is the boiling point temperature of the specific component of the multi-component liquid, the specific component is evaporated on the surface of the base material constituting the laminated filler, and the evaporating gas is discharged. A separation device using electromagnetic induction heating, which is guided to the condenser to separate the specific component. 2. A step of introducing multi-component liquids having different boiling points into an insulator column to which a liquid inlet and a gas transfer pipe are connected, and energizing a coil wound on the insulator column. The stacked packing material incorporated in the insulator column is the boiling point temperature of the specific component of the multi-component liquid, the stacked packing material, a large number of base materials formed into a waveform, the waveform is
Laminated so as to intersect, and a regular fluid passage between the substrates
Be one obtained by forming, separating the steps of evaporating the specific components on the surface of the substrate, the specific components lead to evaporation gas from said laminated packing the condenser is extracted to the gas transfer tube stage And a separation method using electromagnetic induction heating.