WO2002102502A1 - Systeme de reseau de securite - Google Patents

Systeme de reseau de securite Download PDF

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Publication number
WO2002102502A1
WO2002102502A1 PCT/JP2002/005063 JP0205063W WO02102502A1 WO 2002102502 A1 WO2002102502 A1 WO 2002102502A1 JP 0205063 W JP0205063 W JP 0205063W WO 02102502 A1 WO02102502 A1 WO 02102502A1
Authority
WO
WIPO (PCT)
Prior art keywords
mixing
flow path
outlets
units
inlets
Prior art date
Application number
PCT/JP2002/005063
Other languages
English (en)
Japanese (ja)
Inventor
Nobuaki Honda
Original Assignee
Yamatake Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamatake Corporation filed Critical Yamatake Corporation
Publication of WO2002102502A1 publication Critical patent/WO2002102502A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/421—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path
    • B01F25/422—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path between stacked plates, e.g. grooved or perforated plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
    • B01F25/4323—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa using elements provided with a plurality of channels or using a plurality of tubes which can either be placed between common spaces or collectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/30—Micromixers

Definitions

  • the present invention relates to a micromixer having a good mixing performance and a simple structure that is easy to manufacture.
  • the microphone mouth mixer is manufactured by processing a semiconductor substrate such as Si using, for example, micromachining technology.
  • this type of micromixer mixes two types of liquids (fluids) A and B, for example, to form a two-layer laminar flow (A + B). ) In the direction of the layer
  • a + B Divide into two by two.
  • the two laminar flows (AZ 2 + B / 2) are mixed to form a four-layer laminar flow (A / 2 + BZ2 + A 2 + B / 2).
  • the stream is further divided into two parts in the direction of the layer.
  • the layer (size) formed by each of the liquids A and B is gradually subdivided. It is configured to speed diffusion.
  • the flow path itself for mixing and distributing the fluid (liquid) is fine, and critical manufacturing accuracy is required. Therefore, there is a problem that the processing (manufacturing) method is complicated and requires accurate alignment, so that the manufacturing cost is high.
  • An object of the present invention is to provide a microphone-mouth mixer that does not cause clogging of fluid particles and has good mixing performance, and that is easy to manufacture and has a simple structure. I have.
  • a micromixer includes a plurality of mixing / distribution units, for example, a plurality of flow paths in which a plurality of channels are periodically arranged on a predetermined closed curve so as to form a circumference having a predetermined curvature. Modules are stacked, and the mixing / distributing units are sequentially connected between the channel modules of the respective layers.
  • each of the mixing and distributing units is provided with two inlets on the upstream surface of each flow channel module, and two outlets on the downstream surface thereof, and these two inlets and two outlets are connected to each other. It is realized as having a channel structure connected via a channel. Then, the two outlets in one mixing / distributing unit of each of the flow path modules are individually connected to the respective one inlet of each of the two mixing / distributing units in the adjacent downstream flow path module. It is characterized by
  • two inlets are provided on the upstream surface side, and two outlets are provided on the downstream surface side, and these inlets and outlets are connected via a channel to form a flow path.
  • It is equipped with a mixing and distributing unit.
  • a plurality of mixing and distributing units are periodically arranged in a plate-shaped flow path module in a predetermined closed curve, and a plurality of flow path modules having such a structure are formed.
  • the two outlets of the mixing and distributing unit in each of the flow path modules are individually connected to one adjacent inlet of each of the two mixing and distributing units in the downstream flow path module. .
  • the fluids introduced and mixed from the two inlets of each mixing and distributing unit are distributed from the two outlets and output.
  • the fluid output from each of these two outlets is mixed with two fluids in the downstream flow path module. It is characterized in that it is led individually to each one inlet in the distribution unit.
  • the plurality of mixing / distributing units provided in each of the flow path modules is configured such that an adjacent one of the two mixing / distributing units has an arrangement interval of each adjacent outlet.
  • the two inlets in each mixing and distributing unit are arranged so as to have the same interval.
  • the diameter of the two inlets, the diameter of the two outlets, and the width and depth of the channel in each of the mixing and distributing units are formed to be substantially the same.
  • the diameter of the outlet may be defined by the diameter of the inlet in the downstream channel module connected to the inlet.
  • the flow path module forming the lowermost layer is provided with a collecting section for collecting fluids output from the respective outlets of the plurality of mixing / distribution units in the flow path module into one flow path.
  • a collecting section for collecting fluids output from the respective outlets of the plurality of mixing / distribution units in the flow path module into one flow path.
  • the two inlets and the two pellets are provided symmetrically in directions orthogonal to each other with an island-shaped partition provided at the center thereof and defining the direction of the channel. It is preferable to have a structure which has the following. BRIEF DESCRIPTION OF THE FIGURES
  • FIG. 1 is an exploded perspective view showing a schematic structure of a microphone-mouth mixer according to an embodiment of the present invention.
  • FIG. 2 shows the bottom plate installed in the microphone-mouth mixer shown in FIG.
  • FIG. 3 is a diagram showing a structure of a fluid introduction channel to be obtained.
  • FIG. 3 is a diagram showing a schematic structure of a plurality of flow path modules incorporated in the microphone-mouth mixer shown in FIG.
  • FIG. 4 is a partial perspective view showing a schematic structure of a mixing and distributing unit incorporated in the flow channel module.
  • FIG. 5 is a diagram for explaining a connection structure of an inlet and an outlet between mixing and distributing units incorporated in a plurality of flow channel modules, respectively, and a function of mixing and distributing fluid by these mixing and distributing units.
  • FIG. 6 is a diagram showing another configuration example of the mixing and distributing unit incorporated in the flow channel module.
  • FIG. 7 is a view showing still another configuration example of the mixing and distributing unit incorporated in the flow channel module.
  • FIG. 8 is a view showing still another configuration example of the mixing and distributing unit incorporated in the flow channel module.
  • FIG. 9 is a diagram showing an example of another arrangement structure of a plurality of mixing / distributing units incorporated in the flow channel module.
  • FIG. 10 is a view showing another arrangement structure of the mixing and distributing unit incorporated in the most downstream flow path module.
  • FIG. 1 is an exploded perspective view showing a schematic configuration of a microphone-mouth mixer according to this embodiment.
  • reference numerals 1 and 2 denote a pair of upper and lower plate bodies.
  • These plate bodies 1 and 2 are made of, for example, a rectangular A-shaped stainless steel plate having a thickness of 5 mm and a side length of about 5 Omm.
  • Each is provided.
  • These plate bodies 1 and 2 are connected to a plurality of flow path modules to be described later by four ports 3 screwed into the screw holes 2a of the lower plate body 2 through the through holes 1a of the upper plate body 1. It is joined and integrated with the assembly part sandwiched between them.
  • a connector 4a for fluid introduction and a connector 4b for fluid introduction and a connector 4c for fluid extraction are respectively mounted.
  • a ring shape and a circular shape are formed as shown in FIG. 2 corresponding to the two through holes in which the fluid introduction connectors 4a and 4b are respectively mounted.
  • Fluid introduction channels 5a and 5b having a predetermined depth are formed.
  • These fluid introduction channels 5a and 5b are partitioned by a partition wall 5c having a predetermined thickness provided along a mixing / distribution unit arranged circumferentially in a flow path module described later.
  • the lower plate body 2 is provided with a pin hole 6 for vertically inserting a guide pin (not shown).
  • the guide pin implanted in the pin hole 6 is used as a guide when positioning and stacking a plurality of flow path modules described later.
  • a plurality (m) of flow path modules 7 (a to a ⁇ ) stacked and sandwiched between the plate bodies 1 and 2 have a thickness of 0.8 mm and a side length of 25 mm, for example.
  • Each of these flow path modules 7 is provided with the above-described fluid introduction connectors 4a and 4b, respectively, as shown in Fig. 3.
  • the through-holes 8a and 8b corresponding to the two through-holes, respectively, and the through-hole 9 through which the guide pins are inserted and provided for alignment are provided in common.
  • a plurality of mixing / distributing units 10 arranged along the partition wall 5c for partitioning the fluid introduction channels 5a and 5b.
  • the mixing / distributing unit 10 is composed of two inlays provided on the upstream surface (lower surface) side of the plate-shaped flow channel module 7, as schematically shown in FIG. 4, for example.
  • the above inlets 11a, 11b and the outlets 12a, 12b are connected to each other through a channel 13 having a depth of 0.4 mm formed in the upper surface thereof, and the upper and lower surfaces of the flow path module 7 are connected. It has a structure in which a flow path is formed therebetween.
  • an island-shaped partition portion 14 which is positioned at the center of the channel 13 and determines the direction of the channel 13 is provided.
  • the two inlets 11a and 11b and the two outlets 12a and 12b are provided symmetrically in directions perpendicular to each other with the partition 14 interposed therebetween. .
  • the diameters of the inlets 11a and 11b, the diameters of the outlets 12a and 12b, and the width and the depth of the channel 13 in the mixing / distributing unit 1 ⁇ are set to be equal to each other, for example, 0.4 mm, and two more The inlets 11a and 11b are provided at a distance of 0.4 mm, and the two outlets 12a and 12b are provided at a distance of 1.2 mm.
  • the above-mentioned m channel modules 7 (y ⁇ Y ⁇ m) have a structure in which a plurality of mixing / distributing units 10 each having the above-described structure are arranged at predetermined intervals on a circumference having a predetermined curvature. Have. And each of these passage modules 7 (7 1; 7 2, ⁇ 7 m) and Inretsu Bok 11 a of the mixing and dispensing Yunitto 10 between adjacent flow path module 7 (Ai ⁇ ⁇ ⁇ ), lib and the outlet 12a and 12b are sequentially connected and stacked to form a multi-layered flow channel.
  • one mixing / distributing unit 10 in each flow path module 7 transfers its two outlets 12a, 12b to two mixing / distributing units in the adjacent downstream flow path module 7.
  • Units 10 and 10 are individually connected to one inlet 11a and 11b respectively, in other words, one mixing and distributing unit 10 in each flow path module 7 (7, 2 , to 7 m )
  • the two inlets 11a and 11b are connected to two mixing / distribution units in the adjacent upstream channel module 7.
  • Units 10 and 10 are individually connected to one outlet 12a and 12b, respectively.
  • One mixing / distribution unit 10 in each flow path module 7 (yi ⁇ m) is provided with one outlet 1 of each of two different mixing / distribution units 10 in the flow path module 7 on the upstream side (lower side).
  • the fluids output from 2a and 12b are introduced from the two inlets 11a and 11b, respectively, and mixed.
  • the mixing and distributing unit 10 transfers the mixed fluid from the two outlets 12 a and 12 to two different mixing and distributing units 10 in the flow path module 7 on the downstream side (traffic surface side).
  • Each of the inlets 11a and 11b is distributed and derived.
  • the plurality of mixing / distribution units 10 in the m number of flow path modules 7 are, for example, as shown in FIG. Layers) are arranged as shown in the example. That is, each mixing and distributing unit 10 in each of the flow path modules 7 is located at each position of the two inlets 11 a and 11 b in one mixing and distributing unit 10 on the downstream side (upper side). Each of the two outlets 12 a and 12 b of two adjacent mixing and distributing units 10 is arranged in a layout (interval) in which each is positioned.
  • two mixing / distributing units 10 adjacent to each other in each flow path module 7 are connected to one outlet / distribution unit 11a of one mixing / distributing unit 10 on the downstream side (upper side).
  • Unit 10 is positioned at one inlet 11a.
  • the other inlet 11b in the mixing and distributing unit 10 is arranged so as to be positioned at the position of the other inlet 11b in the mixing and distributing unit 10 on the downstream side (upper side).
  • a micromixer constituted by stacking m flow channel modules 7 (a to a) in which a predetermined number of the mixing and distributing units 10 are arranged in a closed curve (circumference) as described above.
  • a closed curve circumference
  • the other fluid (liquid) B are each of a plurality of mixing and dispensing unit 1 0 in the channel module 7 m of the most upstream (lowermost) (7 5), is introduced through the other side Inretsuto 1 1 b of You.
  • These fluids (liquids) A and B are mixed in the channel 13 of each mixing and distributing unit 10, respectively, and distributed and output via two outlets 12a and 12b.
  • next passage modules 7 4 new mixed fluid (liquid) [A + BZ 2] output from autoretsuto 1 2 a side of each mixed-dispensing Yunitto 1 0 of the channel module 7 6
  • One fluid (liquid) A1 to be introduced is introduced via one inlet 11a in the mixing and dispensing unit 10.
  • Fluid (liquid) [A + BZ 2] output from outlet 20 b on the 20th side is one of the fluids (liquid) B1 to be newly mixed, and the other inlet at the mixing and distribution unit 10 Introduce through 1 1b. Then, these fluids (liquids) ⁇ ⁇ and ⁇ 1 are mixed in channel 13, respectively, and the mixture (laminar flow) is distributed via two outlets 12 a and 12 b, respectively. Output.
  • the two types of fluids (liquids) A and B described above are repeatedly and sequentially executed in each of the flow path modules 7 in such a manner that the two types of fluids (liquids) are mixed and distributed. (Micro-mixing) is promoted. Then, from each mixing / distributing unit 10 of the flow path module 7 at the most downstream (uppermost stage), a micro mixed liquid obtained by mixing the two types of liquids A and B is taken out. Then, the micromixtures respectively taken out of the respective mixing / distribution units 10 are introduced into an upper (downstream) collecting section 20 and have a residence time sufficient for causing a diffusion reaction of the micromixtures. After further mixing, the fluid is collected into one flow path and output from the fluid take-out connector 4.
  • the residence time necessary for sufficiently mixing the micromixtures respectively output from the outlets 12a and 12b in the plurality of mixing and distributing units 10 is sufficiently long. It is desirable to realize it as having a flow path length L that can be secured. When the mixed solutions react with each other, it is desirable to set such that the reaction time is sufficiently secured.
  • two types of micromixers have a simple structure in which a plurality of flat channel modules 7 (i ⁇ m) provided with a plurality of mixing / distributing units 10 are simply stacked. It is possible to effectively form a micro-mixed liquid in which the liquids ⁇ and ⁇ are rapidly and homogeneously mixed.
  • the flow path module 7 (7 have 7 2, to 7-m) for, Ki de be fabricated easily using the A 1 plate or SUS plate or the like, formation of the mixed distribution unit 1 0 (processing) itself Because it is easy, its manufacturing cost is low.
  • a plurality of flow path modules 7 ( The alignment accuracy between them can be easily increased, and the assembly itself is simple. Therefore, there is an advantage that the manufacturing cost can be reduced also in this point.
  • the diameters of the inlets 11a and 11b, the diameters of the outlets 12a and 12b, and the width of the channel 13 in the mixing and distributing unit 10 are set to be substantially equal to each other. For this reason, clogging by the mixture is unlikely to occur.
  • the two inlets 11a and 11b and the inlets 12a and 12b in the mixing and distributing unit 10 are provided symmetrically in directions orthogonal to each other. Therefore fluid Good symmetry with respect to the flow of the (liquid) (laminar flow) can be ensured, and the non-uniformity of the fluid can be effectively prevented, and the throughput can be sufficiently increased. Therefore, the mixing performance (mixing efficiency) is sufficiently improved, and a great effect in practical use is achieved, such as the ability to easily produce a homogeneous and high-quality micromixture.
  • the above-mentioned mixing and distributing unit 10 can also be realized, for example, with the structure shown in FIGS. 6 to 8, respectively.
  • the mixed distribution unit 10 illustrated in FIG. 6 has a wider width between two outlets 12a and 12b.
  • the island-shaped partition part 14 that defines the direction of the channel 13 is omitted, and the width between the two outlets 12a and 12b is reduced.
  • the mixing and distribution unit 10 shown in FIG. 8 is composed of two inlets 11a and 11b and two outlets 12a and 12b, which are shaped like an island that determines the direction of the channel 13. They are arranged in a parallelogram shape with point symmetry about the partition part 14.
  • the two outlets 12 a and 12 b in the adjacent two mixing components is distributing unit 10 are two inlets 1 in each of the mixing and distributing units 10.
  • a plurality of flow path modules 7 (the inlets 11a and 11b and the outlets 12a and 1 This makes it possible to exactly match the positions of 2b, and thus the same effects as in the previous embodiment can be obtained.
  • each flow path module 7 ( 1 )
  • a plurality of mixing and distributing units 10 (mixing units 15) were arranged on a single row, but for example, as shown in Fig. 9, a plurality of mixing and distributing units 10 were arranged on a concentric circle composed of a plurality of lines. They may be arranged. Alternatively, as shown in FIG. 10, it is possible to arrange a plurality of mixing and distributing units 10 in a zigzag shape with a predetermined closed curve.
  • multiple channels The number of stacked modules 7, the number of mixing / distributing units 10 provided in each flow path module 7, and the diameter of the inlets 11a, 11b and outlets 12a, 12b in each mixing / distributing unit 10. Such factors may be determined according to the size of the particles of the fluid to be mixed and the mixing performance required of the micromixer.
  • micro-mixing in which two types of fluids are finely mixed, has been described here, it is also useful when manufacturing a so-called emulsion (emulsion) in which a certain liquid is dispersed as fine particles in another insoluble liquid. It is.
  • emulsion emulsion
  • the present invention can be variously modified and implemented without departing from the gist thereof.
  • a plurality of mixing and distributing units having two inlets and two outlets are arranged in a predetermined closed curve in a plurality of flow path modules stacked in multiple layers. Since the inlet and outlet of each of the mixing and distributing units are sequentially connected in a predetermined arrangement between the respective flow path modules, the structure itself is simple, easily and accurately, and It can be manufactured at low cost. In addition, it is easy to sufficiently increase the alignment accuracy, and it is possible to secure the symmetry of the flow path and sufficiently increase the throughput for the mixed fluid. Therefore, the mixing performance (mixing efficiency) is sufficiently enhanced, and a great effect in practical use is obtained, such as a uniform and high-quality micromixture can be quickly and easily generated.

Abstract

L'invention concerne un réseau maître (M) qui permet de faire fonctionner un appareil principal et qui est connecté à au moins un réseau esclave (S1 à S3) comprenant respectivement un appareil de décision de sécurité (A à C) servant à décider s'il est risqué ou non de permettre le fonctionnement de l'appareil principal (L). Chaque réseau esclave comporte un dispositif intégré servant à réaliser de manière sélective des première et seconde opérations. La première opération consiste à transmettre au réseau maître l'information de transmission, y compris des données de maintenance de l'appareil de décision de sécurité ou l'émission de décision de l'appareil de décision de sécurité et les données de maintenance de l'appareil de décision de sécurité. La seconde opération consiste à transmettre au réseau maître l'information de transmission englobant l'émission de décision de l'appareil de décision de sécurité, mais n'englobant pas ou presque pas les données de maintenance de l'appareil de décision de sécurité. La première opération est réalisée dans le réseau esclave, lorsque l'appareil principal est à l'état d'arrêt, et la seconde opération est réalisée dans le réseau esclave, lorsque l'appareil principal est en état de fonctionnement.
PCT/JP2002/005063 2001-05-28 2002-05-24 Systeme de reseau de securite WO2002102502A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001158633A JP3694878B2 (ja) 2001-05-28 2001-05-28 マイクロ混合器
JP2001-158633 2001-05-28

Publications (1)

Publication Number Publication Date
WO2002102502A1 true WO2002102502A1 (fr) 2002-12-27

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Application Number Title Priority Date Filing Date
PCT/JP2002/005063 WO2002102502A1 (fr) 2001-05-28 2002-05-24 Systeme de reseau de securite

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JP (1) JP3694878B2 (fr)
WO (1) WO2002102502A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1997553A3 (fr) * 2007-05-28 2009-07-01 Hitachi Plant Technologies, Ltd. Mélangeur de fuide et procédé de formation d'un fluide mélangé

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4804718B2 (ja) * 2003-04-28 2011-11-02 富士フイルム株式会社 流体混合装置、及び、流体混合システム
JP2006239638A (ja) * 2005-03-07 2006-09-14 Ebara Corp 混合器および混合方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0234653B2 (fr) * 1981-11-09 1990-08-06 Asahi Chemical Ind
JPH0513391Y2 (fr) * 1989-07-05 1993-04-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0234653B2 (fr) * 1981-11-09 1990-08-06 Asahi Chemical Ind
JPH0513391Y2 (fr) * 1989-07-05 1993-04-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1997553A3 (fr) * 2007-05-28 2009-07-01 Hitachi Plant Technologies, Ltd. Mélangeur de fuide et procédé de formation d'un fluide mélangé
CN101314113B (zh) * 2007-05-28 2011-12-28 株式会社日立工业设备技术 流体混合装置以及混合流体的制造方法

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JP3694878B2 (ja) 2005-09-14

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