JP2662226B2 - Channel switching control device in simulated moving bed continuous separation device - Google Patents

Description

The present invention relates to a flow path switching control device suitable for use in a simulated moving bed continuous separation device. (Prior Art) A method of continuously separating and recovering each component in a mixed solution using a simulated moving bed in which a plurality of packed bodies filled with an adsorbent are connected in series and circulated and connected is well known. Conventionally, as a continuous separation means using a simulated moving bed, a packed bed group is defined in four zones, and a shutoff valve attached to a pipe that circulates and connects each bed, and inflow and outflow of liquids such as undiluted solution and product liquid outside the system. By using an automatic valve and / or a rotary valve that controls the switching of the fluidized bed, the function of each packed bed is sequentially moved to the downstream side of the liquid flow to perform continuous separation. On the other hand, compared to the conventional 4-zone method, it is suitable for the recovery of only specific components in the stock solution such as the number of amino acids from the oxygen reaction solution, and for the separation and recovery of components having significantly different adsorption capacities. A continuous separation means using a three-zone system in which the number is reduced and rationalized has been proposed (see JP-A-62-91205). Adsorption and separation by successively acting on each component in the mixed raw material,
The simulated moving bed continuous separation device for desorption, recovery, etc., requires a control device to open and close a specific shut-off valve that is continuous between the packed beds, as described above, with the switching of the liquid outflow and inlet ports by the rotary valve. And The one used as a flow path switching control valve in the conventional four-zone system is, for example, a fixed plate (a) shown in FIG.
And the rotating disk (b) shown in FIG. 13, which is arranged independently of the circulating flow between the packed beds as shown in FIG. 14, and is therefore loaded on the circulating pump. As the circulation flow changes, the circulation flow rate also changes drastically along with the change in its properties, so an expensive process computer control system is required to detect the switching timing and change the flow rate accompanying the switching for load adjustment of the circulation pump. And That is, the fixed platen (a) is arranged concentrically from the center, and the first concentric passage (c), the second concentric passage (d), the third concentric passage (e), and the fourth concentric circle whose diameter is appropriately increased in the radial direction. Longitudinal paths (g), (g) which are equally and circumferentially arranged in the circumferential direction outside the passage (f) and the fourth concentric passage (f) and open downward respectively.
... and (G '), (G') ... on the diameter line connecting the longitudinal routes (G) and (G) located on the reflection side from the center arbitrarily selected in a positional relationship that is equally divided in the circumferential direction. In the first concentric passage (c) and the third concentric passage (e), the flow passages (h) and (h) formed and opened downward, respectively, and the second concentric passage (d) on a diameter line orthogonal to the diameter line. ), Flow dew (nu) formed in the fourth concentric passage (f) and opening downward, respectively.
(R). Further, the rotary disk (b) is the first disk in the fixed disk (b).
Connection paths (L), (W), and (F) corresponding to the flow paths (H) and (H) of the concentric circular path (C) and the third concentric circular path (E) and the longitudinal paths (G) and (G). ), (Y), and paths (T) and (V) extending radially outward, and flow paths (N) and (F) of a second concentric path (D) and a fourth concentric path (F).
(R) and connecting paths (S), (T), (N), and (C) corresponding to the longitudinal paths (G) and (G), respectively, and the paths (O) and ( H). A rotary disk (b) is rotatably provided on the fixed disk (a) formed in this way, and the rotary disk (b) is rotated by a required angle to perform flow path switching control. When applied to a moving bed continuous separation apparatus, for example, it is as shown in FIG. (Problems to be Solved by the Invention) Such a conventional system in the quasi-moving continuous separation device requires a special control device for opening and closing a specific shut-off valve in accordance with the switching of the liquid outflow / inlet, and In the conventional four-zone type flow path switching control valve, frequent adjustment of the load of the circulating pump due to the change of the circulating flow is indispensable, and an expensive process computer control system is required to perform appropriate flow path switching control. There was a problem of doing. (Means for Solving the Problems) In the present invention, in a simulated moving bed continuous separation apparatus of a system in which several zones are set, for example, a three-zone system, it is possible to easily switch the liquid inlet / outlet, and furthermore, the desorption ability It is suitable for use when the eluent having a large diameter is used and it is desired to prevent the eluent from flowing into another zone and flow only into the desorption zone. The present invention also provides a flow path switching control device that does not require an expensive control system for performing switching timing, flow rate change, and the like, and the present invention is arranged concentrically from the center and radially. 4 or more concentric passages having flow paths which are appropriately enlarged in diameter and open downward, and a pair of longitudinal paths of 3 or more m which are arranged around the concentric passages in a ring at equal intervals in the circumferential direction and open downward respectively. First Stage Ring Road Group And a fixed plate having a second-stage annular longitudinal path group, and an appropriate position on each of the concentric circular paths in the fixed plate and the longitudinal paths of the first-stage annular longitudinal group and the second-stage annular longitudinal group. And a connection path which is arranged at the same position from the center at the same position as above, and extends outwardly from a connection path on a concentric passage in the fixed plate, and is one of a first-stage annular longitudinal path group and a second-stage annular longitudinal path group. One of a pair of connecting paths corresponding to a pair of longitudinal paths, and one of a first-stage annular longitudinal path group and a second-stage annular longitudinal path group which extend outward from the connecting paths on the concentric circular paths. 2k passages connecting only one of a pair of connecting roads corresponding to one pair of longitudinal roads, and a pair of longitudinal roads of the remaining first-stage circular longitudinal group and second-stage circular longitudinal group. And a passage connecting a corresponding pair of connection paths, and the k, l,
A quasi-moving floor continuous separation, characterized in that a rotating disk is provided which satisfies the relationship m ≧ k + 1, n = 2k + 1 (where k ≠ 0), and the rotating disk is rotatable on a fixed disk. It is a flow path switching control device in the device. In the flow path switching control device of the present invention, the number m of longitudinal paths in the first-stage annular longitudinal group and the second-stage annular longitudinal group of the fixed board
Is an arbitrary number of 3 or more corresponding to the number of packed beds in the simulated moving bed separation apparatus, but in general, m = 12 is often used from the viewpoint of easy separation of each component and operability. Can be The two-stage annular vertical path group is connected to each of the inlet and outlet pipes of each packed bed along the flow of the circulating flow. That is, all the effluent of each packed bed is supplied to the next bed via the flow path switching control device of the present invention. The concentric passage of the fixed board is equipped with inflow / outflow lines to the outside of the system, such as supply of undiluted solution and eluent to the system consisting of packed bed groups, extraction of product liquid, raffinate solution, etc., and a circulation pump. To control the circulating flow when
The number n is an arbitrary number of 4 or more, but generally ranges from 4 to 8 because separation of two components is mainly performed. The number of paths 2k and 1 connecting the connecting path on the concentric circular path of the rotating disk and the connecting path corresponding to the longitudinal path is within a range satisfying the relationship of n = 2k + 1 ≧ 4 with the number n of concentric circular paths of the fixed disk. Is appropriately selected according to the purpose. However, k ≠ 0.
The position of the connection path on the concentric path is usually selected so that the pair of paths k, k are relatively close to each other and the others are distributed as much as possible from the viewpoint of ease of work, operability, etc. The connecting passages are constructed so that they can be contacted in the shortest possible time. (Operation) A two-stage annular longitudinal path group is provided on the fixed board, and the rotary disc has a connection path on a concentric circular path and a pair of connection paths corresponding to a pair of longitudinal paths in the two-stage annular longitudinal path group. By forming at least one set of passages connecting only one side, it is possible to control the switching of outflow / inflow and outflow / outflow lines of each packed bed, thereby avoiding frequent control such as detection of flow path switching timing and flow rate change. A series of cycles can be repeated while sequentially changing the role of each floor. Further, by using the apparatus of the present invention, the pipes between the packed beds can be circulated in series and the piping system can be simplified. (Embodiment) An embodiment of the present invention will be described with reference to the drawings. Referring to FIG. 3, a first embodiment of the present invention will be described. A flow path switching control device 1 according to the present invention includes a lower end of a peripheral wall 3a of a bottomed cylindrical casing 3 which opens downward on the upper surface of a disk-shaped fixed plate 2. The disk-shaped rotary disk 4 and the sealing body 5 are inscribed between the internal chambers defined by the fixed disk 2 and the casing 3. , An operating shaft 6 which is inserted through the center of each of the casings 3 and is rotatable by a drive mechanism (not shown). In this case, the turntable 4 includes an upper body 4A and a Teflon lower body.
4B is integrated with the operating shaft 6 so as to rotate integrally therewith. The sealing body 5 has an inverted dish shape, and the bottom wall 5a and the peripheral wall 5b are slid on the upper surface and the peripheral surface of the turntable 4, respectively. The rotating disk 4 is sealed by the pressurized air supplied from the air passage 7 of the operating shaft 6 to the space inside the casing. As shown in FIG. 1, the fixed platen 2 is provided with a first concentric passage 8 ₁ , which is arranged concentrically from the center and is expanded at equal intervals in the radial direction.
2nd concentric passage 8 ₂ , 3rd concentric passage 8 ₃ , 4th concentric passage
8 ₄ Yes to the formation, vertical passage 9 ₁ 12 of the first stage annular vertical passage group 9 on the outside of the outermost fourth concentric passage 8 ₄ arranged in the circumferential direction at equal intervals annular, and to the lower opening, 9 ₂ , 9 ₃ , 9 ₄ , 9 ₅ , 9 ₆ , 9 ₇ , 9 ₈ , 9 ₉ , 9 ₁₀ , 9
₁₁ , 9 ₁₂ , and the same number of longitudinal paths 10 ₁ , 10 ₂ , 10 ₃ , 10 ₂ of the second-stage annular longitudinal path group 10 having the same radial position on the outside of the first-stage annular longitudinal path group 9. ₄ , 10 ₅ , 10 ₆ , 10 ₇ , 10 ₈ , 10 ₉ , 10 ₁₀ , 10 ₁₁ ,
10 ₁₂ are formed, and the longitudinal paths 9 ₁ , 9 ₇ of the first-stage annular longitudinal group 9 and the longitudinal paths 10 ₁ , 10 of the second-stage annular longitudinal group 10 located on the opposite side from the center. ₇ and a first concentric passage ₈₁ disposed on the first diameter line 11 which connects to the third concentric passage 8 _3, channel 12 ₁ of the lower opening while disposed on the opposite side of the center, respectively, 12 ₂
And a longitudinal path of a first-stage annular longitudinal path group 9 located on a second diameter line 13 orthogonal to the first diameter line 11 and located on the opposite side from the center.
9 _10, 9 _4, and location with the vertical path 10 _10, 10 ₄ of the second stage annular vertical passage group 10, and a flow path 14 to the lower opening in the vertical channel 9 ₁₀ closer to the second concentric passageway _82, further , First diameter wire 11, second diameter wire
13 and the outer relation on the diameter line corresponding to the pair of longitudinal paths 9 ₆ , 10 ₆ of the first-stage annular longitudinal path group 9 and the second-stage annular longitudinal path group 10 within one quadrant defined by 13. forming a fourth concentric passage 8 ₄ position, and is formed with channel 15 to the lower opening in the fixed platen 2. Next, as shown in FIG. 2, the turntable 4 includes a first-stage annular longitudinal path group 9 and a second-stage annular longitudinal path group on the first diameter line 11 of the fixed disk 2.
Vertical channel 9 of 10 _1, 10 ₁ and 9 _7, 10 ₇ the first passage 20 and second passage 21 corresponds to a position contiguous with the connecting channel 16, 17 and 18, 19 corresponding to form, the second diameter line 2nd concentric passage on 13 8 ₂
The connection paths 22 corresponding to the flow paths 14 are formed, and extend outward in the radial direction on the second diameter line 13. Road 9 ₄ , 10 ₄ , 9 ₁₀ , 10 ₁₀
A third passage 27 and a fourth passage 28 are formed at positions corresponding to the connecting passages 23, 24, 25, and 26, and the fourth passage 28 connects the connecting passages 25, 26 and the connecting passage 22 directly. It is communicated as. Next, a pair of corresponding longitudinal paths 9 ₂ , 10 ₂ , 9 ₃ , 10 ₃ , 9 ₅ , 1 of the first stage annular longitudinal path group 9 and the second stage annular longitudinal path group 10 of the fixed platen 2.
0 ₅ , 9 ₆ , 10 ₆ , 9 ₈ , 10 ₈ , 9 ₉ , 10 ₉ , 9 ₁₁ , 10 ₁₁ , 9 ₁₂ , 10 ₁₂ Corresponding connection paths 29, 30, 31, 32, 33, 34, 35 , 36,37,38,39,
40, 41, 42, 43, 44 are formed respectively, and connection paths 35, 3
Connection path 29, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 4 except 6
A fifth passage 45, a sixth passage 46, a seventh passage 47, an eighth passage 48, a ninth passage 49, and a tenth passage in which 2, 43, 44 are connected in a pair to extend radially outward and are arranged at corresponding positions. 50 and an eleventh passage 51 are formed in the turntable 4. Further, the fourteenth passage 52 passing through the connection passage 35 is parallel to the fifteenth passage 53 passing through the connection passage 36, and the connection passage 54 formed on the center side of the fourteenth passage 52 is a passage in the fixed platen 2.
12 freely ₂ and communicating, connecting channel 55 formed in the 15th passage 53 is a universal flow path 15 communicating with the fixed platen 2. Also,
Connecting channel 22 is freely communicating to the flow channel 14, a continuous passage 56 formed on the extension of the fifth passage 45 is in the channel 12 ₁ as lifting communicate. Since the present invention is constructed as above, as shown in FIG. 3, when the rotary disc 4 is positioned with respect to the fixed plate 2, for example, the liquid supplied from the vertical passage 9 ₄ third passage from the connection 23 through 27, one discharges through Tatero 10 ₄ the connecting passage 24. The case where the apparatus of the present invention is applied to the simulated moving bed continuous separation apparatus shown in FIG. 4 and the mixed raw material (F) is allowed to act on a series of cycles of adsorption separation (R), desorption (D), and recovery (E) will be described in detail. explain. 1. Referring to FIG. 1 through FIG. 4, to connect the outlet of the packed bed C ₁₂ in the longitudinal passage 9 ₁₀ of the fixed platen 2, successively counterclockwise around, the first stage annular vertical passage group 9 or less Longitude 9 ₉ , 9 ₈ , ..., 9 ₁ , 9 ₁₂ ,
9 ₁₁ packed bed C _1, C _2, ···, connects the outlet of the _{C 9, C 10, C 11} . The vertical path 10 and ₁₀ to connect the inlet of the packed bed C _1, the following sequential counterclockwise around the vertical passage ₁₀₉ of the second stage annular vertical passageway groups 10, 10 _8, -
.., packed beds C ₂ , C ₃ , ..., C ₁₀ , C ₁₁ , C _{12 at} 10 ₁ , 10 ₁₂ , 10 ₁₁
Connect the entrance of. Then, the stock solution from the flow passage 14 of the fixed platen 2, and supplies the eluent from the channel 15, the raffinate from the flow path 12 _2, so as to discharge the product from the channel 12 _1. At the position of the turntable 4 as shown in FIG.
14, the second concentric passage 8 of ₂ through the rotary disc 4 connecting channel 22 through the ninth passage 28, flows out from the packed bed C ₁₂ in the middle, longitudinal channel 9 ₁₀
Merges with the liquid flowing through, to flow through the connecting channel 26 of the rotating disk 4 into the packed bed C ₁ from the vertical path 10 _10. The liquid flowing out of the packed bed C ₁ is the vertical path 9 ₉ , the connecting path of the turntable 4
From 39 through the ninth passage 49, and flows into the packed bed C ₂ from the vertical path ₁₀₉ through the connection path 40 of the rotating disk 4. In the same manner, the liquid flowing out of the packed bed C ₂ flows into the packed bed C _3, packed bed C ₃
Liquid flowing out flows into the packed bed C _4. The raffinate flowing out of the packed bed C ₄ passes through the vertical path 9 ₆ , the connection path 35 of the turntable 4, the fourteenth path 52, and the connection path of the turntable 4.
From 54 through the third concentric channel 8 ₃ withdrawn from the flow passage 12 _2. Eluent flow path 15, the fourth connection passage 55 of the rotating disk 4 through a concentric passage 8 ₄ through the 15th passage 53, and from the vertical path ₁₀₆ through the connection path 36 of the rotating disk 4 into the packed bed C ₅ Inflow. The liquid flowing out of the packed bed C ₈ is the vertical path 9 ₂ , the connecting path of the turntable 4
From 29 through the fifth passage 45, part flows into the packed bed C ₉ than the vertical path 10 ₂ via the connecting channel 30 of the rotating disk 4, the other first concentric passage from the connecting passage 56 of the rotating disk 4 8 withdrawn from the flow passage 12 ₁ as a product through the _1. By switching the liquid entrance will be rotated 30 degrees rotary disc 4 in the opposite clockwise, stock solution to packed bed C _2, etc. Product flows to packed bed C _9, and are sequentially moved to the downstream side. Flow system to the packed bed C ₁ -C _12, if illustrated in the rotating disk 4 position as shown a switching control system in Figure 3 Table (1)
It becomes as shown in. In addition, when the turntable 4 is rotated by 30 degrees from the position shown in FIG. 3 and is switched, the result is as shown in Table (2). That is, with reference to Table (1), such as mixed raw material (F) passes through the flow path 14, a concentric passageway ₈₂ of the fixed platen 2 of the channel switching control device 1 according to the present invention from the supply line, the rotary disc 4 of the connecting channel 22, enters the passage 28, through the vertical path 9 ₁₀ of the fixed platen 2 from the floor C _12, joins the flow from the connecting channel 25 of the rotating disk 4, the connecting channel 26
Through the floor C ₁ , the floor C ₈ and the floor C ₉ are directly connected, and the floor C ₈
A part (E) of the flow from the flow path is extracted from the flow path 12. After a predetermined time, when the turntable 4 is rotated by 30 degrees, as shown in Table (2), the mixed raw material (F) merges with the flow of the bed C ₁ and
To _2, bed C ₉ and the floor C ₁₀ is directly connected to a portion of the floor C ₁₀ stream (E) is withdrawn through the passage 12 _1. Further, when the circuit board 4 is rotated 90 degrees, the mixed material (F) is fed to the floor C ₄ merges with the flow of bed C _3, a portion of the floor C ₁₁ stream (E) is a flow channel 12 ₁ Is pulled out through. In this way, the rotating disk 4 is rotated once, repeat a series of cycles while sequentially changing the respective roles of each bed C ₁ -C ₁₂ by returning to its original position Es. In this embodiment, the concentric passages of the fixed board are first to fourth concentric passages connected to each tank, and the first-stage annular longitudinal path group and the second-stage annular longitudinal path group are equally divided into 12 in the circumferential direction. The connection paths and passages of the turntable are set correspondingly. However, the present invention is not limited thereto, and design changes may be freely made without departing from the spirit of the present invention. Next, a flow path switching control device 57 as a second embodiment of the present invention will be described with reference to FIG. 5, FIG. 6, and FIG. Fixed platen 58 of the passage switching control device 57 and obtained by adding the fixed platen to the second structure, further fifth concentric passage 8 ₅ and the flow path 59 in the channel switching control device 1 of the first embodiment, the rotating disk 60
The structure of the rotating disk 4 of the first embodiment, bear a connecting passage 30 which further leads to the second stage annular vertical passage group 10 of the connecting passage 61 and the first embodiment second communicating concentric passageways _82, and the A twelfth passage 62 intersecting with the fifth passage 45 is added. Product stream from the packed bed C ₈ for the case of the flow path switching control device 57 according to this embodiment is withdrawn through the total amount concentric passage. To packed bed C ₉ is a solvent having no problem even if the flow to the adsorption zone, usually the same solvent used in the stock solution a second
Through the concentric passage _82, it is supplied through the vertical passage of the fixed plate 58 from formed inside the passage of the rotating disk 60 connecting channel. Thus, eluent packed bed is supplied into the packed bed at C ₅
It does not flow to C ₉ or later of the zone. Switching of the outflow / inlet port is sequentially performed by rotating the turntable 60 counterclockwise by 30 degrees to the downstream side. Further, an embodiment using a four-zone system as Embodiment 3 of the present invention will be described with reference to FIGS. 8, 9 and 10. FIG. As shown in FIG. 8, the fixed platen 63 is arranged concentrically from the center and has a first concentric circular passage 64 ₁ , which is radially expanded at equal intervals, and a second concentric passage 64 ₁ .
Concentric passage 64 ₂ , third concentric passage 64 ₃ , fourth concentric passage 64
_4, the fifth concentric passage 64 _5, Yes to form a sixth concentric passages 64 _6, 12 of the first to the outside of the sixth concentric passages 64 ₆ of the outermost disposed circumferentially equidistantly cyclic, and to lower opening One-stage circular longitudinal group
65 longitudinal routes 65 ₁ , 65 ₂ , 65 ₃ , 65 ₄ , 65 ₅ , 65 ₆ , 65 ₇ , 65 ₈ , 65 ₉ , 65 ₁₀ , 6
5 ₁₁ , 65 ₁₂ are formed, and the same number of second-stage annular longitudinal path groups 66 having the same radial position outside the first-stage annular longitudinal path group 65 are formed.
66 ₁ , 66 ₂ , 66 ₃ , 66 ₄ , 66 ₅ , 66 ₆ , 66 ₇ , 66 ₈ , 66 ₉ , 66 ₁₀ , 66
_11, 66 Yes ₁₂ to form, also vertical path 65 _1, 65 ₇ of each of the first stage annular vertical passage group 65 located opposite from the center and the second
The stage annular vertical passage 66 ₁ in the longitudinal passageway groups 66, 66 ₇ and the first concentric passage 64 ₁ and the third concentric channel 64 ₃ disposed on the first diameter line 67 connecting, as well as positioned on the opposite side of the respective central Flow path opening downward
68 _1, 68 ₂ is formed, first stage annular vertical passage group located on the opposite side from the center on the second diameter line 69 which is perpendicular to the first diameter line 67
65 longitudinal routes 65 ₁₀ , 65 ₄ , second stage annular longitudinal route group 66 longitudinal routes 66 ₁₀ , 66 ₄
And the second concentric passage 64 ₂ and the fourth concentric passage 6
4 ₄ located on the opposite side of the center, respectively, and to form a flow passage 70 _1, 70 ₂ to the lower opening, further first diameter line 67, in a single quadrant in which form images out a second diameter line 69 First-stage ring road group 6
5. Longitudinal paths 65 ₃ , 65 which are a pair of the second-stage annular longitudinal path group 66
Fifth concentric passage 6 at a position outside the diameter line corresponding to ₃
4 _5, the passage 7 6 formed concentrically passage 64 ₆ and to the lower opening
1,72 are formed on the fixed plate 63. Next, as shown in FIG.
Flow channel 68 ₁ of the first concentric passage 64 ₁ in the diametrical line 67, respectively the connecting passage 74 and 75 extending radially outwardly, corresponding to the flow path 68 ₂ of the third concentric channel 64 _3, corresponding first stage annular vertical passage group 65, the first corresponding to the vertical path 65 _1, 66 ₁ and 65 _7, 66 positions contiguous with the connecting channel 76, 77 and 78 and 79 corresponding to ₇ of the second stage annular vertical passage group 66
Forming a passage 80 and second passage 81, the second concentric channel 64 _second channel 70 ₁ of the second diametrical line 69, the flow path 7 of the fourth concentric passage 64 ₄
0 ₂ , extending radially outward from the connecting paths 82, 83, respectively, and corresponding to the first paths 65 ₁₀ , 66 ₁₀ , 65 _{4 of} the first-stage annular longitudinal path group 65 and the second-stage annular longitudinal path group 66. Connection route 86,87,8 equivalent to 66 ₄
Fourth passage 89 which corresponds to the position contiguous with 4,85, the third passage 88 is formed, the vertical connection line 90 to the first stage annular vertical passage group 65 corresponding to the flow path 71 of the fifth concentric passages 64 ₅ fifth passage 92 arranged in positions corresponding extends outwardly lined with connecting passage 91 corresponding to the road 65 ₃
If, distribution to the sixth concentric passages 64 and ₆ connecting passage 93 corresponding to the channel 72 of the vertical passage 66 ₃ extending in the connection passage 94 and the chosen outwardly equivalent to the corresponding position of the second stage annular vertical passage group 66 A pair of corresponding longitudinal paths 65 ₂ , 66 ₂ , 65 ₅ , 66 ₅ , 65 ₆ , 66 ₆ , 65 of the sixth passage 95 and the corresponding first-stage annular longitudinal path group 65 and second-stage annular longitudinal path group 66. ₈ , 66 ₈ , 65 ₉ , 66 ₉ , 6
5 ₁₀ , 66 ₁₀ , 65 ₁₁ , 66 ₁₁ , 65 ₁₂ , 66 ₁₂
98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109 are connected to each other and extend radially outward, and the eighth passage 111, the ninth passage 112, the tenth passage 113 of the seventh passage 110,
The eleventh passage 114, the twelfth passage 115, and the thirteenth passage 116 are
It is formed in. In this embodiment, since the configuration is as described above, as shown in FIG. 10, when the rotary disk 73 is positioned with respect to the fixed disk 63,
For example the vertical path 65 ₇ liquid supplied from through the second passage 81 from the connecting passage 78, one is discharged through Tatero 66 ₇ the connecting path 79, the other connection path 75 from the third concentric channel 64 ₃ Through the flow path 6
8 Discharge through ₂ . The case where the apparatus of the present invention is applied to the simulated moving bed continuous separation apparatus shown in FIG. 11 will be described in detail. When the mixed raw material (F) is subjected to a series of cycles of adsorption separation (R), desorption (D), and recovery (E), the flow path switching of the present invention having a flow path surrounded by a broken line shown in FIG. the control device 157 is disposed, in a state of being arranged as shown in FIG. 10, connects the outlet of the packed bed C ₁₂ in the longitudinal passage 65 ₄ of the stationary platen 63,
With connecting the outlet of the filling about C ₁ ~ packed bed C ₁₁ to each longitudinal path of the first stage annular vertical passage group 65 in this order clockwise from the vertical path 65 _4,
Vertical path 66 and ₄ to connect the inlet of the packed bed C _1, also from the vertical path 65 ₄ filled in the order of clockwise in the vertical path of the second stage annular vertical passage group 66 bed C ₂
Connecting the inlet of ~ packed bed C _12. Flow system to the packed bed C ₁ -C _12, To exemplify the turntable 73 position as shown a switching control system in Fig. 10 Table (3)
It becomes as shown in. Also, from the position shown in FIG. 10, turn the turntable 73 clockwise.
When rotated 30 degrees and switched, the results are as shown in Table (4). That is, referring to Table (3), for example, the mixed raw material (F) is rotated from the supply line through the flow path 70 ₁ of the fixed plate 63 and the concentric path 64 ₂ of the fixed plate 63 of the flow path switching control device 157 according to the present invention. connecting channel 82 of the panel 73, enters the passage 89, the vertical path 65 ₁₀ of the fixed plate 63 from the floor C ₆
The street and joins the flow from the connecting channel 86 of the rotating disk 73, is fed to the floor C ₇ through the connection passage 87, directly to the floor C ₇ and the floor C _8,
Part of the flow from the floor C ₉ (R) is withdrawn from the passage 68 _1. After a predetermined time, when the turntable 73 rotates 30 degrees, as shown in Table (4), mixed feed (F) is combined with stream of bed C ₇ C
To _8, the floor C ₉ and the floor C ₁₀ is directly connected to a portion of the floor C ₁₀ Flow (R) is withdrawn through the passage 68 _1. When the turntable 73 rotates 90 degrees, the mixed raw material (F) merges with the flow of the floor C ₉ and the floor C ₁₀
To be fed, part of the floor C ₁₂ Flow (R) is withdrawn through the passage 68 _1. In this way, the rotary disc 73 is rotated once, repeat a series of cycles while sequentially changing the respective roles of each bed C ₁ -C ₁₂ by returning to its original position Es. In this embodiment, the number of concentric passages of the fixed plate is six, that is, the first to fourth concentric passages connected to each tank, the fifth concentric passages connected to the circulation pump, and the sixth concentric passages. The longitudinal group and the second-stage annular longitudinal group are divided into 12 equal parts in the circumferential direction,
The connection paths and passages of the turntable are set corresponding to this, but the present invention is not limited thereto, and design changes may be freely made without departing from the spirit of the present invention. (Effect of the Invention) By using the flow path switching control device of the present invention, it is possible to easily switch the liquid outflow / inlet port in the simulated moving bed continuous separation device, and furthermore, for example, according to the purpose, for example, the detachability is large. When an eluent is used, it is possible to prevent the eluent from flowing into another zone and to flow only into the desorption zone, and when using a circulation pump, the load of the circulation pump can be kept constant.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a fixed plate of an apparatus according to a first embodiment of the present invention, FIG. 2 is a plan view of the same rotary plate, FIG. FIG. 4 is a cross-sectional view of a portion corresponding to the line III-III in FIG. 4, FIG. 4 is an explanatory view in the case where the apparatus of the present invention is disposed in a simulated moving bed type chromatographic separation apparatus, and FIG. 5 is an apparatus according to a second example of the present invention. FIG. 6 is a plan view of the same rotary plate, FIG. 7 is a sectional view of a portion corresponding to line VII-VII in FIG. 5, FIG.
FIG. 8 is a plan view of a fixed plate of the device according to the third embodiment of the present invention, FIG. 9 is a plan view of the same rotary plate, FIG. 10 is a view corresponding to line XX in FIGS. FIG. 11 is an explanatory view of a case where the apparatus of the present invention is arranged in a four-zone type pseudo moving bed type chromatographic separation apparatus, FIG. 12 is a plan view of a fixed plate of a conventional flow path switching control apparatus, FIG. 13 is a plan view of the rotary disc, and FIG.
FIG. 14 is an explanatory view of a case where the conventional apparatus is provided in a 4-zone type pseudo moving bed type chromatographic separation apparatus. 1,57,157 …… Channel switching control device, 2,58,63 …… Fixed board,
4,60,73 …… Rotary disk, 8 ₁ to 8 ₅ , 64 ₁ to 64 ₆ …… Concentric circular passage,
9,65… First-stage annular longitudinal route group, 10,66… Second-stage annular longitudinal route group, 9 _{1 to} 9 ₁₂ , 10 ₁ to 10 ₁₂ …… Longitudinal route, 12 ₁ , 12 ₂ , 14, 59,68 ₁ , 6
8 ₂ , 70 ₁ , 70 ₂ , 71,72 …… Channel, 16-19,22-26,29-44,54
〜56,61,74〜79,82〜87,90,91,93,94 …… Connection road, 20,2
1,45-53,62,80,81,88,89,92,95,110-116 ... passage.

Claims (1)

(57) [Claims] Arranged concentrically from the center and expanded at appropriate intervals in the radial direction,
And 4 or more n concentric passages having a flow path that opens downward,
A first-stage annular longitudinal path group and a second-stage annular longitudinal path group are disposed around the concentric circular passage group in a circumferentially equidistant annular shape and each have a pair of longitudinal roads of 3 m or more and each opening downward. A fixed board, provided with appropriate positions on the respective concentric passages in the fixed board, the first-stage annular longitudinal path group, and connection paths respectively arranged from the center at the same position as the longitudinal paths of the second-stage annular longitudinal path group; Each of the fixed plates extends outward from the connection path on the concentric path, and connects a pair of connection paths corresponding to a pair of vertical paths in the first-stage annular vertical-path group and the second-stage annular vertical-path group. And one of a pair of connecting paths extending outward from the connecting paths on the concentric circular paths and corresponding to a pair of longitudinal paths in the first-stage annular longitudinal path group and the second-stage annular longitudinal path group. And a pair of longitudinal roads of the remaining first-stage circular longitudinal group and second-stage circular longitudinal group. And a passage contiguous with a pair of connection paths, and wherein k, l, m, n is m ≧ k + l, n = 2k + l (where k ≠
0) A rotary plate that satisfies the following relationship is provided, and the rotary plate is rotatable on the fixed plate.