JP3329729B2 - Liquid dispersion device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid dispersion device.

[0002]

2. Description of the Related Art Conventionally, when a plurality of distillation columns are combined and a product is obtained by separating each component from a stock solution containing a plurality of components by distillation to obtain a product, if a plurality of distillation columns are separately constructed, an occupied area becomes large. Would. Further, in the side column type distillation apparatus, since it is necessary to control the distribution of steam between the respective distillation columns in order to adjust the pressure in each of the distillation columns, the respective distillation columns cannot be operated stably. .

[0003] Therefore, there has been provided a distillation apparatus which uses a Petriuk-type distillation column in which a cylinder is disposed in an outer cylinder and a stock solution is supplied into the cylinder to perform distillation. However, in this case, not only is it difficult to support the inner cylinder with respect to the outer cylinder, arrange a line by penetrating the outer cylinder, and attach a feed nozzle to the inner cylinder, but also a distillation apparatus. Cost is high. In addition, since the space between the line and the outer cylinder and the space between the feed nozzle and the inner cylinder cannot be sufficiently sealed, the efficiency of distillation in the distillation column is reduced.

[0004] Since the inner cylinder and the outer cylinder are arranged concentrically and the collecting section and the concentrating section have an annular structure, a packing element to be filled in the collecting section and the concentrating section is manufactured. It becomes difficult to do. Therefore, a distillation apparatus in which the inside is partitioned by a flat partition is provided (see US Pat. No. 4,230,533).

[0005] In this case, the distillation apparatus is supplied with a stock solution through an inlet pipe, and has a first concentrating section formed above the inlet pipe and a first collecting section formed below the inlet pipe. And a distillation unit connected to the upper end of the first distillation unit,
A concentration unit formed above the upper end, and a second distillation unit provided below the upper end and provided with a collection unit adjacent to the concentration unit of the first distillation unit via a partition. Connected to the lower end of the first distillation section, formed above the lower end, and formed adjacent to the recovery section of the first distillation section via a partition, and below the lower end. And a third distillation unit provided with a recovered recovery unit.

Accordingly, the cost of the distillation apparatus can be reduced, the efficiency of distillation can be increased, and the packing element can be easily manufactured.

[0007]

However, in the conventional distillation apparatus, the liquid descending from the concentration section of the second distillation section is collected by a chimney tray, and the liquid is concentrated in the concentration section of the first distillation section. And the recovery section of the second distillation section. In order to distribute the optimal amount of liquid to the concentration section of the first distillation section and the recovery section of the second distillation section, A level sensor that detects the level of the liquid in the chimney tray, a flow controller, a flow control valve that adjusts the flow rate, an instrumentation control system such as an analyzer that detects the concentration of steam, and the like are provided. It is necessary to adjust the flow rate based on the water level, the concentration of steam, and the like, so that not only the size of the distillation apparatus is increased, but also the cost of the distillation apparatus is increased.

An object of the present invention is to solve the above-mentioned problems of the conventional distillation apparatus, and to provide a liquid dispersing apparatus capable of reducing the size of the distillation apparatus and reducing the cost of the distillation apparatus. I do.

[0009]

For this purpose, in the liquid dispersion apparatus of the present invention, there is provided an outer casing, a partition for dividing the inside of the outer casing and forming a plurality of chambers adjacent to each other. A collector disposed in the outer casing and collecting the liquid descending from above, and an upper part is opened and disposed over each of the chambers, and the liquid collected by the collector is made to correspond to the distillation conditions in each of the chambers. And a groove-type distributor that distributes different amounts by a predetermined distribution ratio.

In another liquid dispersion apparatus of the present invention, there is further provided a distribution ratio changing means for changing the distribution ratio. In still another liquid dispersion apparatus of the present invention,
The distributor straddles the partition (also)
A first distributor for distributing the liquid to the respective chambers, and a second distributor for distributing the liquid to the respective units for each of the chambers disposed below the first distributor.

In still another liquid dispersion apparatus of the present invention,
Further, the distributor is provided with a cushioning material for preventing the liquid level from being biased. In still another liquid dispersion apparatus of the present invention, the first distribution unit further includes a plurality of main grooves. The second distribution unit includes an arm groove provided corresponding to each of the main grooves.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 2 is a conceptual diagram of the combined distillation column according to the embodiment of the present invention. In the figure, reference numeral 10 denotes a combined distillation column, and the combined distillation column 1
0 is the first section 11, the second section 12, the third section
Section 13, fourth section 14, fifth section 15, sixth section 16, seventh section 17, eighth
It comprises a section 18 and a ninth section 19.

The fourth section 14, the fifth section 15 and the sixth section 16 are divided into first chambers 14A to 16A by flat partitions 22 to 24, respectively.
And the second chambers 14B to 16B.
A to 16A and the second chambers 14B to 16B are adjacent to each other. In addition, the first chambers 14A to 16A provide the first
Of the first section 11, the second section 12, the third section 13 and the second chamber 14B, the second distillation section 26 of the second section 15B, 16B, the seventh section 17, the eighth section The third distillation section 27 is formed by the section 18 and the ninth section 19, respectively. The partitions 22 to 24 may be formed of a heat insulating material, or the insides of the partitions 22 to 24 may be evacuated so that the partitions 22 to 24 have a heat insulating structure.

In this case, heat transfer between the first chamber 14A and the second chamber 14B, between the first chamber 15A and the second chamber 15B, and between the first chamber 16A and the second chamber 16B, respectively. Since it can be reduced, the efficiency of distillation can be increased. The fifth column is located substantially at the center of the combined distillation column 10.
The section 15 is provided, and a feed nozzle 41 is formed in the first chamber 15A, and a side cut nozzle 42 is formed in the second chamber 15B. Further, the first section 11 is disposed at the top of the combined distillation column 10, and the first section 11 is connected to a condenser (not shown) and connected to a steam outlet 43.
And a reflux liquid inlet 44 are respectively formed. Further, a ninth section 19 is provided at the bottom of the combined distillation column 10, and a bottoms outlet 45 and a steam inlet 46 are formed in the ninth section 19 by being connected to an evaporator (not shown).

In the combined distillation column 10 having the above structure, a mixture containing the components A to C is supplied to the feed nozzle 41 as a stock solution M. In addition, component A is obtained from component B,
The component B has a lower boiling point than the component C. The combined distillation column 10, the condenser, the evaporator and the like constitute a distillation apparatus. Further, in the first distillation section 25, a first distillation unit disposed above the feed nozzle 41 is provided.
The enrichment section AR1 is moved by the feed nozzle 41 by the
The collection unit AR is provided by the first chamber 16A disposed below.
2 are each formed. And the second distillation section 2
6, the enrichment unit AR3 is connected to the upper end of the first distillation unit 25, and the enrichment unit AR3 is disposed below the upper end of the first distillation unit 25 by the second section 12 disposed above the upper end. The collection sections AR4 are respectively formed by the second chambers 14B arranged adjacent to the concentration section AR1. Further, in the third distillation section 27, the enrichment section is connected to the lower end of the first distillation section 25, and the enrichment section is provided above the lower end by a second chamber 16B disposed adjacent to the recovery section AR2. The recovery section AR6 is formed by the eighth section 18 of the AR5 disposed below the lower end of the first distillation section 25.

Thus, the upper end of the first distillation section 25 is connected to the center of the second distillation section 26, and the lower end of the first distillation section 25 is connected to the center of the third distillation section 27. Then, in the collection part AR2, the feed nozzle 41
The stock solution M supplied from the container descends, and vapors rich in the components A and B move upward, and the components B and C move downward as the concentration decreases.
And a liquid rich in components B and C is supplied from the lower end of the first distillation section 25 to the third distillation section 27.

Further, the liquids rich in the components B and C are:
It is heated in the third distillation section 27 to become a vapor rich in components B and C, and comes into contact with the stock solution M while rising in the recovery section AR2, and is rich in components A and B from the stock solution M. Generates steam. Subsequently, the vapors rich in the components A and B rise in the enrichment section AR1, and are supplied to the second distillation section 26 from the upper end of the first distillation section 25. Further, the vapor rich in the components A and B is supplied to the second distillation section 2
It is cooled and condensed in 6 to become a liquid rich in components A and B.

Then, a part of the liquid rich in the components A and B is refluxed to the concentrating section AR1, and is brought into contact with the vapor rich in the components A and B rising in the concentrating section AR1. In this way, vapors rich in components A and B can be supplied from the upper end of the first distillation section 25 to the second distillation section 26. By the way, a vapor outlet 43 is formed at the top of the combined distillation column 10, and a bottoms outlet 45 is formed at the bottom of the column. In the recovery section AR6, the liquid rich in the components B and C descends, and generates vapor rich in the component B at the upper part and liquid rich in the component C at the lower part. Therefore, the liquid rich in the component C is discharged from the bottom outlet 45 as bottoms.

A part of the liquid rich in component C discharged from the bottom outlet 45 is sent to the evaporator and heated by the evaporator to become a vapor rich in component C. The vapor rich in component C is supplied from the vapor inlet 46 to the ninth section 19, and comes into contact with the liquid rich in components B and C while ascending in the ninth section 19 and the recovery section AR6. A vapor rich in component B is generated from the liquid rich in components B and C.

Subsequently, part of the vapor rich in the component B is
Ascending in the enrichment section AR5, the upper end of the third distillation section 27 comes into contact with the component B-rich liquid from the second distillation section 26, and becomes the component B-rich liquid. The liquid rich in the component B obtained at the upper end of the third distillation section 27 is discharged from the side cut nozzle 42 as a side cut liquid, that is, a product.

On the other hand, the recovery section AR of the second distillation section 26
At 4, the liquids rich in components A and B descend, producing vapors rich in component A above and liquids rich in component B downward. In this way, a liquid rich in component B is obtained at the lower end of the second distillation section 26. Subsequently, the vapor rich in the component A rises in the concentrating unit AR3, is discharged from the vapor outlet 43, is sent to the condenser, and is condensed by the condenser to become a liquid rich in the component A. .

As described above, the liquid enriched in components A and B is separated into a vapor enriched in component A and a liquid enriched in component B by the second distillation section 26, and the vapor enriched in component A is vaporized. Is discharged from the top and is condensed by the condenser into a liquid rich in component A, and the liquid rich in component B is discharged as a product from the side cut nozzle 42. The liquid rich in components B and C is supplied to the third distillation section 2
7, the mixture is separated into a liquid rich in component B and a liquid rich in component C. The liquid rich in component B is discharged as a product from the side cut nozzle 42, and the liquid rich in component C is discharged from the bottom of the column. You.

Then, in order to increase the efficiency of distillation of the component A, the liquid rich in the component A is refluxed from the reflux liquid inlet 44 to the concentrating section AR3, and is fed to the components A and B rising in the concentrating section AR3. Try to contact with rich steam. Each of the enrichment sections AR1, AR3, AR5 and each of the recovery sections AR2, AR4, AR6 are formed by a packing composed of one node. Depending on the degree to which the number of theoretical plates required for the distillation is to be ensured, it can also be formed by a multi-node packing depending on the characteristics of the packing used. In addition, a distributor can be provided between nodes. It is not always necessary to arrange the feed nozzle 41 and the side cut nozzle 42 at the same height.

Thus, the stock solution M can be separated into each component without using a plurality of distillation columns.
Further, since it is not necessary to repeat heating and cooling in each of the plurality of distillation columns, it is not necessary to provide a large number of instrumentation equipment such as a condenser, an evaporator, and a pump (not shown). Therefore, not only the occupied area can be reduced, but also the usage amount and energy consumption of the utility can be reduced, and the cost of the distillation apparatus can be reduced.

The combined distillation column 10 has about 30 to 100 theoretical plates as a whole, and the fourth section 14 and the sixth section 16 each have about 5 to 30 plates. preferable. By the way, the third
A collector 54 and a groove type, i.e., channel type distributor 61 are disposed in the section 13, and the liquid collected by the collector 54 is distributed by the distributor 61 at a predetermined liquid distribution ratio in the first chamber of the fourth section 14. A different amount is distributed to 14A and the second chamber 14B.

The first chamber 15A of the fifth section 15
The collector 62 is located immediately above the feed nozzle 41 in FIG.
However, a tubular type distributor 63 is disposed immediately below, and the liquid collected by the collector 62 is:
Along with the stock solution M supplied via the feed nozzle 41, the sixth section 1 is distributed by the distributor 63.
6 to the first chamber 16A.

On the other hand, the second chamber 15B of the fifth section 15
, A chimney hat type collector 65 is disposed directly above the side cut nozzle 42, and a tubular type distributor 66 is disposed directly below the side cut nozzle 42, and the liquid collected by the collector 65 is discharged from the side cut nozzle 42 as a product. With distributor 6
6 distributes to the second chamber 16 </ b> B of the sixth section 16. In this embodiment, a chimney hat type collector 65 is used. However, when the diameter of the combined distillation column 10 is large, a laminar type collector is used.

Further, a collector 67 and a tubular distributor 68 are disposed in the seventh section 17, and the liquid descending from the sixth section 16 is:
After being collected by the collector 67, it is distributed to the eighth section 18 by a distributor 68. Next, the distributor 61 will be described.

FIG. 1 is an explanatory view of a distributor in an embodiment of the present invention, FIG. 3 is a plan view of the distributor in the embodiment of the present invention, FIG. 4 is a side view of the distributor in the embodiment of the present invention, and FIG. FIG. 6 is a detailed view of a first main part of the distributor according to the embodiment of the present invention, and FIG. 6 is a detailed view of a second main part of the distributor according to the embodiment of the present invention.

In FIG. 1, reference numeral 12 denotes a second section, 1
3 is the third section, 14 is the fourth section, and the liquid descending from the second section 12 is collected by the collector 54. The collector 54 is formed along a tower body 70 as a cylindrical outer casing, a plurality of collector laminas 71 arranged in parallel with each other at a predetermined pitch, and an inner circumferential surface of the tower body 70. Collector box 72
Is provided. The collector lamina 71 has a curved portion 7 at the upper end.
3, an inclined portion 74 at the center and a groove 75 at the lower end, and both the curved portion 73 and the groove 75 extend horizontally (in a direction perpendicular to the plane of the paper).

Therefore, the liquid descending from the second section 12 hits the curved portions 73, flows along the inclined portions 74, is received by the grooves 75, and is moved in the horizontal direction. It is sent to box 72. Subsequently, the liquid in the collector box 72 is discharged from the nozzle 52 to the line L11. The line L1
1 is branched to lines L12 and L13, and the line L1
2 and L13 are connected to the distributor 61 via the nozzles 53a and 53b, respectively. The lines L12 and L13 are provided with valves V1 and V2 as distribution ratio changing means, respectively.
Can be selectively opened and closed to perform distribution by the distributor 61 in the first and second modes. That is, in the first mode, the liquid is supplied to the distributor 61 via the line L12 and is distributed by the distributor 61. In the second mode, the liquid is supplied to the line L13.
And is distributed to the distributor 61 via the distributor 61. The valves V1 and V2 are opened and closed manually or automatically based on a signal from a control device (not shown).

The distributor 61 is provided with a first distributor 77 for distributing the liquid in a direction perpendicular to the partition 22, and is disposed immediately below the first distributor 77. A second distribution unit 78 is provided for distributing the liquid distributed by the unit 77 in the same direction as the partition 22. Therefore, the liquid can be uniformly distributed throughout the fourth section 14. The collector 5
4. The liquid dispersion device is constituted by the tower body 70 and the distributor 61.

By the way, in the present embodiment, the fourth
The ratio of the amount of liquid distributed to the first chamber 14A of the section 14 and the amount of liquid distributed to the second chamber 14B, ie,
The distribution ratio is set, and the distribution ratio can be changed. The distribution ratio is determined by the types of components A to C of the stock solution M, the compositions of the components A to C of the stock solution M, the number of theoretical plates in the combined distillation column 10 (FIG. 2), and the distillation such as purity (quality) required for the product. Determined by conditions. in this case,
In the second chamber 15B of the fifth section 15, the product is discharged from the side cut nozzle 42, so that the first chamber 14
The amount of liquid to be distributed to the second chamber 14B is larger than the amount of liquid to be distributed to A. For example, when a product having a purity of 99.98 [% by weight] is manufactured, the distribution ratio is set to 4: 6. ,
When manufacturing a product having a purity of 99.999 [wt%],
The distribution ratio is set to 2: 8. The load factor is 50 to 10
It is changed to 0 [%].

Therefore, even if the distillation conditions change, the distillation can be performed in an optimum state, and the efficiency of the distillation can be increased. As a result, energy consumption in the distillation apparatus can be reduced. Moreover, since there is no need to use a complicated instrumentation control system, not only the size of the distillation apparatus can be reduced, but also the cost of the distillation apparatus can be reduced.

The first distribution section 77 is composed of two open static pressure type main channels 77a and 77b which are open at the top and are formed adjacent to each other.
The main channels 77a and 77b extend over the partition 22 and have a plurality of holes 81 arranged in a matrix on the bottom surface. By appropriately setting the diameter and the number of the holes 81, the distribution ratio is set to, for example, 4: 6 or 2: 8.

A buffer 84 is provided in the main channels 77a and 77b so that the liquid level in the main channels 77a and 77b is not deviated even if a dynamic pressure is generated due to the supply of the liquid. Is done. Therefore, the head pressure generated in the liquid in the main channels 77a and 77b can be kept constant. As described above, since the first distribution unit 77 includes the open static pressure type main channels 77a and 77b, a sufficient amount of liquid can be stored in the first distribution unit 77 and lowered from the hole 81. Therefore,
Since the height of the first distributor 77 can be reduced accordingly, the size of the distillation apparatus can be reduced.

For example, when a product of one purity is separated from the undiluted solution M by distillation, it is not necessary to change the distribution ratio, so that only one main channel is provided and the distribution ratio is, for example, 3: 7. , And only the load factor is changed to 50 to 100%. And Collector 5
The liquid collected by 4 is not discharged out of the tower main body 70 but is supplied to the distributor 61 as it is.
When three kinds of products are to be manufactured, three main channels are provided when three kinds of purity products are separated from the stock solution M by distillation in order to change the distribution ratio.

The second distribution part 78 is composed of a plurality of sets of box-shaped arm channels 78a and 78b which are open at the top and are formed adjacent to each other. The arm channels 78a and 78b are connected to each other by
And a plurality of holes 83 are formed on the bottom surface at equal pitches. The arm channels 78a, 78
A hole, a notch, or the like may be formed on the side surface of b. Each of the clamps 85 is connected by an “L” -shaped member 92 and a bolt 91 fixed to both side surfaces of the first distributor 77. Thus, the first distribution unit 7
7 is supported by the second distributor 78, the liquid in the main channel 77a is distributed and supplied to each arm channel 78a, and the liquid in the main channel 77b is distributed and supplied to each arm channel 78b.
In order to ensure that the liquid distributed by the first distribution unit 77 can be supplied to the second distribution unit 78, stoppers 93 are attached to various parts of the support 82, and the second distribution unit 78 Is performed.

Further, in order to make the amount of liquid supplied to the first chamber 14A different from the amount of liquid supplied to the second chamber 14B, the liquid is formed at a portion of the bottom surface of the main channel 77a on the side of the first chamber 14A. The diameter d1 of the hole 81 and the number n
1. The diameter d2 and the number n of the hole 81 formed in the bottom of the main channel 77a on the side of the second chamber 14B.
2. The diameter d3 and the number n3 of the holes 83 formed in the bottom surfaces of the arm channels 78a and 78b provided on the first chamber 14A side, and the arm channels 78a and 78b provided on the second chamber 14B side. The diameter d of the hole 83 formed in the bottom surface
4 and the number n4 are respectively set in accordance with the distribution ratio. Note that the diameters d1 and d2 of some of the holes 81 can be reduced in accordance with the distribution ratio.

Therefore, when the amount of liquid supplied to the first chamber 14A is q1 and the amount of liquid supplied to the second chamber 14B is q2, q1 = (π / 4) d1 ² · n1 = ( (π / 4) d3 ² · n3 q2 = (π / 4) d2 ² · n2 = (π / 4) d4 ² · n4

The diameters d1 and d2 are set in accordance with the distribution ratio.
The cross-sectional area of the packing per piece can be made uniform.
Then, the amount of liquid supplied to the first chamber 14A and the second chamber 14
The diameter d5 and the number n5 of the hole 81 formed in the portion on the side of the first chamber 14A on the bottom surface of the main channel 77b, and the second diameter on the bottom surface of the main channel 77b, in order to make the amount of the liquid supplied to B different. The diameter d6 and the number n6 of the hole 81 formed in the portion on the side of the chamber 14B,
The diameter d7 and the number n7 of the holes 83 formed on the bottom surfaces of the arm channels 78a and 78b disposed on the 4A side, and the arm channels 78a and 7 disposed on the second chamber 14B side.
The diameter d8 and the number n8 of the holes 83 formed on the bottom surface of the bottom surface 8b can be set in accordance with the distribution ratio.

As described above, by selectively opening and closing the valves V1 and V2, the distribution ratio can be changed according to the distillation conditions, so that it is not necessary to use a complicated instrumentation control system. Therefore, not only the size of the distillation apparatus can be reduced, but also the cost of the distillation apparatus can be reduced. In addition, since the amount of liquid descending from each hole 83 can be equalized in each of the first chamber 14A and the second chamber 14B, the filling in the first chamber 14A and the second chamber 14B may be out of liquid. This can be prevented from occurring.

[0043]

EXAMPLE The production capacity of a product in the combined distillation column 10 was 40000 [t / Y], and the diameter of the combined distillation column 10 was 1 unit.
100 [mm] and “Sumitomo BX Packing (Metal Gauge)” and “Sumitomo Mela Pack 350Y”
(Metal sheet) "(all manufactured by Sumitomo Heavy Industries, Ltd.).

The operating conditions of the combined distillation column 10 are as follows. Operating pressure: normal pressure Composition of stock solution M (general industrial product): ethyl acetate 99.98
[% By weight] Product composition (high-purity product): 99.999 [ethyl%] ethyl acetate The undiluted solution was obtained using a distillation apparatus combining two distillation columns and the combined distillation column 10 of the present invention. The low-boiling component A and the high-boiling component C were removed from M, and ethyl acetate was obtained as a product comprising the component B with a purity of 99.999% by weight.

In a distillation apparatus in which two distillation columns are combined, the amount of steam used per product [t] is 0.82.
[T], and the amount of electricity used per product [t] is 2.3 [kw], whereas the combined distillation column 10 uses steam per product [t]. Is 0.7
[T], and the amount of electricity used per product [t] was 2.0 [kw].

In the combined distillation column 10, the construction cost was about 65% and the installation area was about 50%, compared to a distillation apparatus in which two distillation columns were combined. . When the distribution ratio is 2: 8, the flow rate of the liquid descending the first chamber 14A is 850 to 1700 [kg
/ H], and the flow rate of the liquid descending the second chamber 14B is 3
It became 400-6800 [kg / H]. When the distribution ratio is 4: 6, the flow rate of the liquid descending in the first chamber 14A is 1600-3200 [kg / H], and the flow rate of the liquid descending in the second chamber 14B is 2400-4800.
[Kg / H].

The present invention is not limited to the above embodiment, but can be variously modified based on the gist of the present invention, and they are not excluded from the scope of the present invention.

[0048]

As described above in detail, according to the present invention, in a liquid dispersion apparatus, an outer casing and a partition which divides the inside of the outer casing and forms a plurality of chambers adjacent to each other are formed. ,
A collector disposed in the outer casing and collecting the liquid descending from above, and an upper part is opened and disposed over each of the chambers, and the liquid collected by the collector is made to correspond to the distillation conditions in each of the chambers. And a groove-type distributor that distributes different amounts by a predetermined distribution ratio.

In this case, the liquid descending from above is collected by the collector and is distributed by the distributor.
Different amounts are distributed to each chamber at a distribution ratio set according to the distillation conditions. Therefore, distillation can be performed in an optimal state corresponding to the distillation conditions. As a result, energy consumption in the distillation apparatus can be reduced. Moreover, since there is no need to use a complicated instrumentation control system, not only the size of the distillation apparatus can be reduced, but also the cost of the distillation apparatus can be reduced.

Another liquid dispersion apparatus of the present invention further comprises a distribution ratio changing means for changing the distribution ratio. In this case, even if the distillation conditions change, distillation can be performed in an optimal state corresponding to the distillation conditions. In still another liquid dispersion apparatus of the present invention, the distributor further includes a cushioning material for preventing the liquid level from being biased.

In this case, a sufficient amount of liquid can be stored in the first distributor, so that the height of the first distributor can be reduced accordingly. Therefore, not only the size of the distillation apparatus can be reduced, but also the cost of the distillation apparatus can be reduced.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a distributor according to an embodiment of the present invention.

FIG. 2 is a conceptual diagram of a combined distillation column according to an embodiment of the present invention.

FIG. 3 is a plan view of the distributor according to the embodiment of the present invention.

FIG. 4 is a side view of the distributor according to the embodiment of the present invention.

FIG. 5 is a detailed view of a first main part of the distributor according to the embodiment of the present invention.

FIG. 6 is a detailed view of a second main part of the distributor according to the embodiment of the present invention.

[Explanation of symbols]

 14A First chamber 14B Second chamber 22 Partition 54 Collector 61 Distributor 70 Tower main body 77 First distributor 77a, 77b Main channel 78 Second distributor 78a, 78b Arm channel V1, V2 Valve

──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Minoru Nagashima 2-1-1 Tanidocho, Tanashi-shi, Tokyo Examiner, Keiji Ogawa, Sumitomo Tokyo Engineering Co., Ltd. (56) References JP-A-4-227001 (JP, A) JP-A-9-75603 (JP, A) JP-A-9-299701 (JP, A) JP-A-8-38802 (JP, A) US Patent 4,230,533 (US, A) (58) Fields investigated ( Int.Cl. ⁷ , DB name) B01D 3/00-3/42

Claims (5)

(57) [Claims] And 1. A (a) an outer housing, dividing the (b) in the outer housing, and a partition in which a plurality of chambers by mutually adjacent arranged in the outer the housing (c), the upper (D) a collector that collects liquid descending from the chamber , and (d) is open at the top and disposed over each of the chambers;
The collected liquid by the collector, steam to said chambers
And a groove- type distributor for distributing different amounts at different distribution ratios set in accordance with the retention conditions . 2. A liquid distributor according to claim 1 having the distribution ratio changing means for changing the pre-SL component distribution ratio. 3. The distributor is disposed across the partition, a first distribution unit that distributes liquid to each chamber, and is disposed below the first distribution unit. The liquid dispersion device according to claim 1, further comprising a second distribution unit that distributes the liquid to each unit. 4. The liquid dispersing apparatus according to claim 1, wherein the distributor includes a cushioning material for preventing the liquid level from being biased. 5. The apparatus according to claim 1, wherein: (a) the first distribution section includes a plurality of main grooves ; and (b) the second distribution section includes arm grooves arranged corresponding to the main grooves. 4. The liquid dispersion device according to 3.