JP2014124541A - Stationary type fluid mixer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stationary type fluid mixer capable of achieving an increase (efficiency) in the amount of outflow of a mixing-processed fluid, by reducing pressure loss to reduce electric power consumption of a pressurizing pump.SOLUTION: A plurality of diffusing-mixing cases formed in a flat box shape and having an inflow port formed in a central part of an upstream sidewall, are coaxially arranged; a gathering flow passage forming body formed in a short-width cylindrical shape and having a gathering flow passage inside, is interposed between the mutual adjacent diffusing-mixing cases; and a tail end gathering flow passage forming body formed in a cover shape, having a tail end gathering flow passage inside and forming an outflow port in a central part, is continuously provided on a downstream sidewall of the diffusing-mixing case positioned on the most downstream side. A diffusing-mixing flow passage for making a plurality of different fluids flowed in from the inflow port meander and flow in the radial direction toward the peripheral edge part side, is formed inside the respective diffusing-mixing cases, and the fluid can be diffused and mixed via the diffusing-mixing flow passage.

Description

  The present invention relates to a static fluid mixing apparatus that mixes fluids, and more specifically, to a static fluid mixing apparatus that mixes liquids and liquids, liquids and gases, and powders and liquids in a fine and uniform manner.

  There exists what was disclosed by patent document 1 as one form of a static fluid mixing apparatus. That is, in Patent Document 1, a disk-shaped second diffusion element is disposed opposite to a disk-shaped first diffusion element in which a fluid inlet is formed at the center, and between the two diffusion elements. A diffusion / mixing unit that forms a diffusion / mixing flow path that diffuses and mixes fluid flowing in from the inlet on the center side in the radial direction toward the peripheral side, and a fluid outlet in the center The disc-shaped second collective element is arranged opposite to the disc-shaped first collective element, and the fluid flowing from the peripheral portion side between the collective elements is radially directed toward the central portion side. A static fluid mixing apparatus comprising an assembly / mixing unit that forms an assembly / mixing channel that flows and collects and mixes, and that connects a terminal end of the diffusion / mixing channel and a start end of the assembly / mixing channel. It is disclosed.

  The opposing surfaces of the first and second diffusing elements and the opposing surfaces of the first and second assembly elements are formed with a hexagonal recess group of appropriate identical depth and size in the honeycomb structure, and the opposing recesses Arrange them at different positions so that they communicate with each other, and in the diffusion / mixing flow path and the collecting / mixing flow path, the fluid flows in the radial direction while repeating the merging and splitting (dispersing) while meandering. ing.

JP-A-9-52034

  However, the static fluid mixing device disclosed in Patent Document 1 is a diffusion / mixing flow path that diffuses and mixes the fluid flowing in from the inflow port on the center side in the radial direction toward the peripheral side, Compared to diffusion / mixing channels with high mixing / dispersion function because the flow channel structure that gathers and mixes the fluid flowing in from the peripheral side in the radial direction toward the center is formed in the same way. However, the collecting / mixing channel had a pressure loss comparable to that of the diffusion / mixing channel, although the number of dispersions was much smaller. Therefore, it has been desired to reduce the power consumption of the pressurizing pump that pressurizes and supplies the fluid to the static fluid mixing device, and to increase the flow rate (efficiency) of the processed fluid.

  Therefore, the present invention can reduce the pressure loss and reduce the power consumption of the pressurizing pump, and can increase the outflow amount (efficiency) of the mixed processed fluid. An object of the present invention is to provide a mold fluid mixing device.

  The static fluid mixing apparatus according to the invention of claim 1 is formed by arranging a plurality of diffusion / mixing cases formed in a flat box shape and having an inflow port in the central portion of the upstream side wall in a coaxial manner. A collecting channel forming body having a collecting channel formed inside is formed between the mixing cases, and a lid is formed on the downstream side wall of the diffusion / mixing case located on the most downstream side. And a terminal aggregate channel forming body having a terminal outlet channel in the center and a terminal outlet channel forming body formed in a central portion. A diffusion / mixing flow path is formed in which a plurality of different fluids that flow in a meandering direction in the radial direction toward the peripheral edge, and the fluid can be diffused / mixed through the diffusion / mixing flow path. A communication hole is formed in the peripheral edge of the downstream side wall to The inlet of the diffusion / mixing case adjacent to the downstream side is connected to the communication hole via the communication hole, and the communication hole formed in the diffusion / mixing case located on the most downstream side has a terminal collective flow in the terminal assembly flow channel forming body. The terminal outlet of the terminal aggregate flow path forming body is communicated with each other through a path.

  In such a static fluid mixing apparatus, for example, a plurality of different fluids to be mixed are introduced into the diffusion / mixing case in a pressurized state through an inlet formed in the diffusion / mixing case on the most upstream side by a pressurizing pump. Thus, the fluid can be diffused and mixed through the diffusion / mixing flow path formed in the diffusion / mixing case. Then, the diffused / mixed fluid (mixed fluid) is formed at the peripheral edge of the downstream side wall of the diffusion / mixing case and flows downstream of the diffusion / mixing case adjacent to the downstream side from the communication hole through the collecting channel in the collecting channel forming body. Can flow into the inlet. Finally, the fluid (mixed fluid) diffused and mixed through the diffusion / mixing flow path in the diffusion / mixing case located on the most downstream side passes through the communicating hole of the diffusion / mixing case to the end of the end aggregate flow path forming body. It flows out from the terminal outlet through the collecting channel.

  At this time, the collecting flow path is formed in a flat space shape by the side walls facing each other of the adjacent diffusion / mixing cases and the short-width cylindrical collecting flow path forming body interposed therebetween. Therefore, the mixed fluid is smoothly flowed from the peripheral edge side toward the central portion side (radial direction of the collecting flow path forming body) in the collecting flow path, and the pressure loss in the collecting flow path is reduced. As a result, it is possible to reduce the power consumption of the pressurizing pump that pressurizes and supplies fluid to the static fluid mixing device, and to increase the outflow amount (derived amount) of the mixed fluid (efficiency) Can be achieved.

  The required number of diffusion / mixing channels can be arranged by connecting the required number of diffusion / mixing cases in series via the collecting channel forming body. Therefore, a plurality of different fluids flow in a meandering manner while being merged and divided in each diffusion / mixing channel, and are mixed firmly. As a result, the generation efficiency of the mixed fluid can be improved. Further, by increasing / decreasing the number of diffusion / mixing cases, the outflow amount (derived amount) of the mixed fluid can be set as appropriate.

  A static fluid mixing apparatus according to a second aspect of the present invention is the static fluid mixing apparatus according to the first aspect, wherein each diffusion / mixing case includes a first element as an upstream side wall formed in a ring plate shape. The inner surface of the second element as the downstream side wall formed in a disc shape is arranged facing each other, and a cylindrical peripheral wall is interposed between the peripheral portions of both elements to form a flat box shape. A plurality of recesses having the same depth and size are arranged on each facing surface in a ring shape from the center side toward the peripheral side to form a recess group, and the recesses of the opposing recess groups are mutually connected. A diffusion / mixing flow path that flows in the radial direction while repeating the merging and splitting flow while the fluid meanders is formed between the opposing recesses so as to communicate with each other. Opening surface of the concave portion of the formed concave group Diameter gradually, characterized in that the formation of the diameter of the opening surface of the concave portion of the diffusion and mixing casing disposed downstream in diameter.

  In such a static fluid mixing device, the diameter of the opening surface of the concave portion of the concave group formed in each diffusion / mixing case is gradually reduced to the diameter of the opening surface of the concave portion of the diffusion / mixing case disposed on the downstream side. Therefore, the fluid as the dispersed phase is gradually refined by the shearing force received when the mixed fluid flows while meandering between the recesses on the downstream side where the diameter of the opening surface of the recesses is small.

  As described above, the fluid as the dispersed phase is refined a plurality of times while being gradually subjected to different shearing forces, so that the micro-scale or nano-level refinement generation can be performed steadily and efficiently.

  A static fluid mixing apparatus according to a third aspect of the present invention is the static fluid mixing apparatus according to the first or second aspect, wherein the ring has a smaller diameter than the first element between the first element and the second element. An intermediate element formed in a plate shape is arranged, a recess group is formed on at least one side surface of the intermediate element, and a diffusion / mixed flow is formed between the recess group of the first element or the second element facing the recess group. A path is formed, and a plurality of diffusion / mixing channels are formed in layers between the first element and the second element.

  In such a static fluid mixing device, since a plurality of diffusion / mixing channels are formed in layers between the first element and the second element, each of the diffusion / mixing channels formed in a plurality of layers meanders. However, the fluid as the dispersed phase is refined in a large amount by the shearing force received when flowing. Therefore, micro-level or nano-level miniaturization can be efficiently performed.

  A static fluid mixing apparatus according to a fourth aspect of the present invention is the static fluid mixing apparatus according to the third aspect, wherein the diffusion / mixing flow path is gradually formed in a diffusion / mixing case disposed on the downstream side. The diffusion / mixing channel is formed with an increased number of layers.

  In such a static fluid mixing device, the diameter of the concave portion of the diffusion / mixing channel in the diffusion / mixing case can be gradually reduced and the number of layers of the diffusion / mixing channel can be increased. In the process in which the fluid is flowed downstream, it is refined stepwise and steadily. A large amount of the refined mixed fluid is generated.

  According to the present invention, the following effects are produced. That is, in the present invention, pressure loss can be reduced, so that it is possible to reduce the power consumption of the pressurizing pump that pressurizes and supplies the fluid to the static fluid mixing device, and the mixing-processed fluid can be reduced. Increase (efficiency) of the outflow amount (derived amount) can be achieved.

The conceptual explanatory drawing of the mixed fluid production | generation apparatus which comprises the static type fluid mixing apparatus which concerns on this invention. Exploded view of a static fluid mixing device. Cross-sectional front explanatory drawing of a static type fluid mixing apparatus. Exploded view of the first diffusion / mixing case. The bottom view explanatory drawing of the 2nd element of a 1st spreading | diffusion and mixing case. Exploded view of the second diffusion / mixing case. The bottom view explanatory drawing of the 2nd element of a 2nd spreading | diffusion and mixing case. Exploded view of the third diffusion / mixing case. The bottom view explanatory drawing of the 2nd element of a 3rd spreading | diffusion and mixing case.

  Hereinafter, a static fluid mixing apparatus according to the present invention will be described with reference to the drawings. Before that, a mixed fluid generating apparatus including the static fluid mixing apparatus will be described with reference to the drawings.

[Description of mixed fluid generator]
A shown in FIG. 1 is a mixed fluid generating apparatus that generates a mixed fluid, and the mixed fluid generating apparatus A includes a static fluid mixing apparatus M according to the present invention. In the present embodiment, a treated liquid W such as water or seawater is used as a fluid as a continuous phase, and a gas-liquid mixed fluid using a gas such as air, oxygen gas, or nitrogen gas as a fluid as a dispersed phase is generated. Will be described. That is, the mixed fluid generating apparatus A connects the base end of the circulation pipe J to the bottom of the top-opening box-shaped tank T containing the treated water W, and the distal end of the circulation pipe J is connected to the treated water W in the tank T. A circulation channel Cy that circulates fluid by inserting from above is formed. A gas supply part K2 is connected to the middle part of the circulation pipe J via a gas supply pipe K1, and a stationary fluid mixing device M is connected to the downstream part of the gas supply part K2. The static fluid mixing apparatus M applies a shearing force to the gas-liquid mixed phase of the gas supplied from the gas supply unit K2 and the treated water W to make the gas into a group of bubbles having ultrafine bubbles. It is configured to be mixed with.

  A suction pump Pa and a discharge pump Pb are arranged adjacent to each other in the middle of the circulation pipe J located on the downstream side of the tank T in series. Then, a gas supply part K2 is connected to a part of the circulation pipe J located between the discharge port of the suction pump Pa arranged on the upstream side and the suction port of the discharge pump Pb arranged on the downstream side via the gas supply pipe K1. doing. Here, the discharge pressure of the suction pump Pa is set to be equal to or lower than the suction pressure of the discharge pump Pb. V1 is a gas supply amount adjustment valve provided in the middle of the gas supply pipe K1, V2 is a pressure adjustment valve attached to the tip of the circulation pipe J, and V3 is a three-way switching valve. Rc is a recovery unit that recovers the mixed fluid, and the recovery unit Rc is connected to a midway portion of the circulation pipe J located on the downstream side of the static fluid mixing device M via a three-way switching valve V3. Wk is a treated water supply unit that can supply treated water W as a solvent into the tank T as needed.

  By configuring the suction pump Pa and the discharge pump Pb in this way, the gas supplied from the gas supply unit K2 disposed between them can reduce the discharge pressure from the discharge port of the suction pump Pa. At the same time, the suction pressure (ejector effect) from the suction port of the discharge pump Pb is received so that the suction is smoothly and stably performed. As a result, a constant amount of gas mixed into the treated water W can be secured. Moreover, in this embodiment, since the suction pump Pa and discharge pump Pb with small power consumption can be used in cooperation, ensuring the production capability of the mixed fluid of the treated water W and the gas, the mixed fluid generator A Manufacturing costs and running costs can be reduced. The generated mixed fluid can be recovered from the circulation pipe J to the recovery unit Rc by switching the three-way switching valve V3. Accordingly, the mixed fluid is circulated through the circulation pipe J a predetermined number of times or for a predetermined time and then recovered from the recovery unit Rc. Alternatively, the mixed fluid is passed through the static fluid mixing device M only once (one pass). It can also be recovered from.

  For example, by performing the operation of circulating the treated water W and the nitrogen gas in the circulation flow path Cy for a certain period of time, oxygen dissolved in the treated water W is released and the nitrogen gas is dissolved in the treated water W. The treated water W can be made into nitrogen water as a mixed fluid. According to the static fluid mixing apparatus M, for example, the DO value (dissolved oxygen amount) of 1 t of treated water W can be reduced to 1 mg / L or less within 1 minute.

[Description of static fluid mixing device]
The static fluid mixing apparatus M will be described with reference to FIGS. As shown in FIGS. 2 and 3, the static fluid mixing apparatus M coaxially connects a plurality (three in this embodiment) of first to third diffusion / mixing cases 10, 20, 30 formed in a flat box shape. Are arranged. Then, between the adjacent first and second diffusion / mixing cases 10 and 20 and between the second and third diffusion / mixing cases 20 and 30, the first and second collective flows are formed in a short cylindrical shape. First and second collective flow path forming bodies 40, 50 having paths f1, f2 are interposed. Further, a terminal aggregate flow path forming body 60 formed in a lid shape is connected to the downstream side wall of the third diffusion / mixing case 30 located on the most downstream side. Reference numeral 70 denotes an upstream connection end of the circulation pipe J, and the upstream connection end 70 is connected to an inlet 18 described later of the first diffusion / mixing case 10. Reference numeral 71 denotes an upstream connection housing which is connected to the peripheral edge of the upstream connection end 70. Reference numeral 72 denotes a downstream connection end portion of the circulation pipe J, and the downstream connection end portion 72 is connected to a terminal outlet 63 described later of the terminal assembly flow path forming body 60. Reference numeral 73 denotes a downstream connection housing connected to the peripheral edge of the proximal end of the downstream connection end 72.

  The static type fluid mixing device M is made of synthetic resin such as acrylic resin, so that each part (constituent member), that is, the first to third diffusion / mixing cases 10, 20, and 30 and the first and second collective flow path forming bodies 40 is formed. , 50, a terminal assembly flow passage forming body 60, an upstream connection end portion 70 having an upstream connection housing 71 and a downstream connection end portion 72 having a downstream connection housing 73, respectively. By integrally bonding with an adhesive, it can be configured integrally. Moreover, each part can be formed of an alloy such as stainless steel, and these parts can be integrally assembled by screwing.

  Each diffusion / mixing case 10, 20, 30 includes a first element 11, 21, 31 as an upstream side wall formed in a ring plate shape, and a second element 12, 22, 32 as a downstream side wall formed in a disk shape. The inner surfaces of the elements 11, 12, 21, 22, 31, 32 are arranged in a flat box shape between the peripheral edges of the elements 11, 12, 21, 22, 31, 32. doing. Circular inflow ports 18, 28, and 38 are formed at the center of the first elements 11, 21, and 31, which are the upstream side walls of the diffusion / mixing cases 10, 20, and 30. A plurality of communication holes 19, 29, which are small-diameter circular ports along the peripheral edge of the second element 12, 22, 32, which are the downstream side walls of the diffusion / mixing cases 10, 20, 30. 39 are formed at regular intervals.

  A mixed fluid (mixed fluid W of the treated water W and gas in this embodiment) Rm generated by mixing a plurality of different fluids R is led to the downstream side of the circulation pipe J through the downstream connection end 72. To be. The mixed fluid Rm led into the circulation pipe J can be recovered from the circulation pipe J to the recovery unit Rc by switching the three-way switching valve V3 after being generated in one pass. In addition, after the circulation pipe J is circulated a predetermined number of times to achieve a finer dispersed phase, the three-way switching valve V3 can be switched to recover from the circulation pipe J to the recovery unit Rc.

(Explanation of first diffusion / mixing case)
The first diffusion / mixing case 10 will be specifically described with reference to FIGS. 4 and 5. That is, the first diffusion / mixing case 10 has a plurality of concave portions 16 and 17 having the same depth and size (opening surface shape) on the opposing surfaces of the first and second elements 11 and 12, respectively, in a substantially circular ring shape. Are arranged along the imaginary line, and a plurality of rows (three rows in the present embodiment) are arranged from the central portion side toward the peripheral portion side (peripheral wall 13 side) to form the recess groups 14 and 15 (this In the embodiment, it is integrally formed). And the recessed parts 16 and 17 of the recessed part groups 14 and 15 which oppose are arrange | positioned in a different position so that it may mutually communicate.

  A first diffusion / mixing flow path F1 is formed between the opposing recesses 16 and 17 of the both recess groups 14 and 15 formed as described above, and the fluid R flows in the radial direction while repeating joining and splitting while meandering. doing. That is, a first diffusion / mixing flow path F1 is formed in the first diffusion / mixing case 10 to meander a plurality of different fluids R flowing in from the inlet 18 in a radial direction toward the peripheral edge. The fluid R can be diffused and mixed through the first diffusion / mixing flow path F1.

  The second and third diffusion / mixing cases 20 and 30 have the same basic structure as the first diffusion / mixing case 10 described above, but gradually inside the diffusion / mixing cases 20 and 30 arranged on the downstream side. The difference is that the number of layers of the provided second and third diffusion / mixing channels F2 and F3 is increased. That is, in this embodiment, as shown in FIG. 3, the first diffusion / mixing flow path F1 of the first diffusion / mixing case 10 is formed as one layer, and the second diffusion / mixing flow of the second diffusion / mixing case 20 is formed. Two layers of the path F2 are formed, and four layers of the third diffusion / mixing flow path F3 of the third diffusion / mixing case 30 are formed.

(Explanation of second diffusion / mixing case)
The second diffusion / mixing case 20 will be specifically described with reference to FIGS. 6 and 7. That is, the second diffusing / mixing case 20 includes a plurality of concave portions 26 and 27 having the same depth and size (opening surface shape) on the opposing surfaces of the first and second elements 21 and 22, respectively. Are arranged along a virtual imaginary line, and a plurality of rows (four rows in the present embodiment) are arranged from the central portion side toward the peripheral portion side (peripheral wall 23 side) to form the recess groups 24 and 25 ( In this embodiment, it is integrally formed). The first and second intermediate elements 81 and 82 are disposed between the opposing recess groups 24 and 25.

  The first and second intermediate elements 81 and 82 are formed in a ring plate shape having a smaller diameter than the first element 21, and concave portions 84 and 85 are formed on each side surface of the first and second intermediate elements 81 and 82. ing. In the present embodiment, the recess group 84 is integrally formed on the upper surface of the first intermediate element 81 so as to protrude, and the recess group 85 is integrally formed on the lower surface of the second intermediate element 82 in a hanging manner. The recess group 84 is formed by arranging the recesses 86 formed in the same shape as the recesses 26 in the same manner as the recess group 24, while the recess group 85 has the recesses 87 formed in the same shape as the recesses 27 as in the recess group 24 It is arranged to form. And the recessed part 86,27 of the recessed part groups 84 and 25 which opposes arrange | positions in a position so that it may mutually communicate, and forms the 2nd spreading | diffusion and mixing flow path F2 between them. On the other hand, the recesses 26 and 87 of the opposing recess groups 24 and 85 are arranged at different positions so as to communicate with each other, and a second diffusion / mixing flow path F2 is formed therebetween. The first and second intermediate elements 81 and 82 can be integrally formed, and the recess groups 84 and 85 can be integrally formed on the upper and lower surfaces thereof.

  As described above, in the second diffusion / mixing case 20, the second diffusion / mixing flow path F2 in which the fluid R flows in the radial direction while repeating joining and splitting while meandering is formed in two layers. That is, in the second diffusion / mixing case 20, a plurality of different fluids R (or mixed fluids Rm) flowing in from the inflow port 28 are meanderingly flowed in the radial direction toward the peripheral edge side. The flow path F2 is formed in two layers, and the fluid R (or mixed fluid Rm) can be diffused and mixed in parallel through the second diffusion / mixing flow paths F2 and F2.

(Explanation of third diffusion / mixing case)
The third diffusion / mixing case 30 will be specifically described with reference to FIGS. 8 and 9. That is, the third diffusing / mixing case 30 includes a plurality of concave portions 36 and 37 having the same depth and size (opening surface shape) on the opposing surfaces of the first and second elements 31 and 32, respectively. Are formed along a virtual imaginary line, and a plurality of rows (four rows in the present embodiment) are arranged from the central portion side toward the peripheral portion side (peripheral wall 33 side) to form the recess groups 34 and 35 ( In this embodiment, it is integrally formed). The first and second intermediate elements 91 and 92 are disposed between the opposing recess groups 34 and 35.

  The first and second intermediate elements 91 and 92 are formed in a ring plate shape having a smaller diameter than the first element 31, and concave portions 94 and 95 are formed on each side surface of the first and second intermediate elements 91 and 92. ing. In the present embodiment, the concave group 94 is integrally formed on the upper surface of the first intermediate element 91 in a protruding manner, and the concave group 95 is integrally formed on the lower surface of the second intermediate element 92 in a hanging manner. The recess group 94 is formed by arranging the recesses 96 formed in the same shape as the recesses 36 in the same manner as the recess group 34, while the recess group 95 is formed of the recesses 97 formed in the same shape as the recesses 37 as in the recess group 34. It is arranged to form.

  And the recessed part 96,37 of the recessed part groups 94 and 35 which oppose is arrange | positioned in a position so that it may mutually communicate, and the 3rd spreading | diffusion and mixing flow path F3 is formed among them. Further, the concave portions 97 and 38 of the opposing concave group 95 and 34 are arranged at different positions so as to communicate with each other, and a third diffusion / mixing flow path F3 is formed therebetween. Further, a third diffusion / mixing flow path F <b> 3 is formed between the recess group 94 and the recess group 95. In this way, the third diffusion / mixing flow path F3 is formed in four layers. The first and second intermediate elements 91 and 92 can be integrally formed, and the concave and convex groups 94 and 95 can be integrally formed on the upper and lower surfaces thereof.

  As described above, in the third diffusion / mixing case 30, the third diffusion / mixing flow path F <b> 3 that flows in the radial direction while repeating the merging and splitting while the fluid R meanders is formed in four layers. That is, in the third diffusion / mixing case 30, a plurality of different fluids R (or mixed fluids Rm) flowing in from the inflow port 38 meanderingly flow in the radial direction toward the peripheral edge side. The flow path F3 is formed in four layers, and the fluid R (or mixed fluid Rm) can be diffused and mixed in parallel through the third diffusion / mixing flow paths F3.

(Explanation of aggregate flow path forming body)
As shown in FIG. 3, the first collective flow path forming body 40 interposed between the first diffusion / mixing case 10 and the second diffusion / mixing case 20 is the same as the peripheral wall 13 of the first diffusion / mixing case 10. It is formed in a short cylindrical shape with a diameter and is slightly shorter than the peripheral wall 13. Then, a flat disk-shaped space is formed by the first collecting flow path forming body 40, the second element 12 of the first diffusion / mixing case 10, and the first element 21 of the second diffusion / mixing case 20, The space is defined as the first collective flow path f1. Further, the inlet 28 of the second diffusion / mixing case 20 adjacent to the downstream side is connected to the communication hole 19 through the first collecting flow path f1 in the first collecting flow path forming body 40.

  As shown in FIG. 3, the second aggregate flow path forming body 50 interposed between the second diffusion / mixing case 20 and the third diffusion / mixing case 30 is the same as the peripheral wall 23 of the second diffusion / mixing case 20. It is formed in a short cylindrical shape with a diameter and is slightly shorter than the peripheral wall 23. Then, a flat disk-shaped space is formed by the second collecting flow path forming body 50, the second element 22 of the second diffusion / mixing case 20, and the first element 31 of the third diffusion / mixing case 30, and this The space is defined as a second collective flow path f2. Further, the inlet 38 of the third diffusion / mixing case 30 adjacent to the downstream side is connected to the communication hole 29 via the second collecting channel f2 in the second collecting channel forming body 50. In the present embodiment, the second collecting flow path forming body 50 and the first collecting flow path forming body 40 are formed in the same shape (common shape).

  As shown in FIG. 3, the terminal aggregate flow path forming body 60 connected to the third diffusion / mixing case 30 located on the most downstream side includes a peripheral wall 61 and a downstream end extending from the downstream end face of the peripheral wall 61. And a wall 62. The peripheral wall 61 is formed in a short cylindrical shape having the same diameter as the peripheral wall 33 of the third diffusion / mixing case 30 and is formed slightly shorter than the peripheral wall 33. In the present embodiment, the peripheral wall 61 is formed in the same shape (common shape) as the first and second collective flow path forming bodies 40 and 50. The downstream end wall 62 is formed in a circular ring plate shape having a terminal outlet 63 at the center. In this embodiment, the terminal outlet 63 and the outlets 18, 28, 38 are formed in a circular shape having the same diameter. A terminal outlet 63 is communicated with the communication hole 39 formed in the third diffusion / mixing case 30 via a terminal collective flow path f 3 in the terminal collective flow path forming body 60.

(Explanation of more specific configuration)
The concave portions 16, 17, 26, 27 of the concave groups 14, 15, 24, 25 (84, 85), 34, 35 (94, 95) formed in the first to third diffusion / mixing cases 10, 20, 30 (86, 87), 36, 37 (96, 97), the diameter of the opening surface gradually decreases the concave portions 16, 17, 26, 27 (86 of each diffusion / mixing case 10, 20, 30 disposed on the downstream side. , 87), 36, 37 (96, 97), the diameter of the opening is made small, and the depth of the recess is also made short. That is, the inner diameter of the opening surfaces of the recesses 26 and 27 (86, 87) is smaller than the inner diameter of the opening surfaces of the recesses 16 and 17, and the recesses 36 and 37 are smaller than the inner diameter of the opening surfaces of the recesses 26 and 27. The inner diameter of the opening surface of (96, 97) is formed to be small. The depths of the recesses 26 and 27 (86, 87) are made shorter than the depths of the recesses 16 and 17, and the recesses 36 and 37 (96 and 97) are formed larger than the diameter of the opening surface of the recesses 26 and 27. ) Is formed with a short width.

  Constituting in this way, the fluid R or the mixed fluid Rm is a recess group 14 in which the inner diameters of the opening surfaces of the recesses 16, 17, 26, 27 (86, 87), 36, 37 (96, 97) are made smaller. , 15, 24, 25 (84, 85), 34, 35 (94, 95), the fluid R as a dispersed phase is gradually refined by the shearing force received during the flow. At this time, the fluid R as a dispersed phase is refined a plurality of times while gradually receiving different shearing forces in each diffusion / mixing case 10, 20, and 30 while flowing from the upstream side to the downstream side. Therefore, miniaturization generation to the micro level or the nano level is also performed steadily and efficiently.

  Next, the configuration of the recess groups 14, 15, 24, 25, 34, 35, 81, 82, 94, 95 that form the first to third diffusion / mixing channels F1, F2, F3 will be described more specifically. To do. That is, in the first diffusion / mixing case 10, the recess group 14 includes a circular hexagon centered on the inlet 18, with a concave hexagon 16 having a regular hexagonal opening shape on the upper surface of the first element 11 (in plan view). A plurality of rows (three rows in this embodiment) are adjacent to each other in the radial direction with no gaps in the circumferential direction, and are integrally formed in a convex shape, and the concave portion 16 is opened downward. A large number of recesses 16 are formed in a so-called honeycomb shape, and regular hexagonal columnar spaces are formed in the recesses 16. The recess group 14 is formed by orderly arranging the recesses 16 so that the one-side half and the other-side half are line-symmetric.

  The recess group 15 includes a plurality of rows of recesses 17 having a regular hexagonal shape and a bottomed cylindrical shape on the lower surface of the second element 12 (plan view) in a radial direction with no gaps in the circumferential direction (this embodiment). In this case, three rows are formed adjacent to each other in a convex shape, and the concave portion 17 is opened downward. A large number of concave portions 17 are formed in a so-called honeycomb shape, and a regular hexagonal columnar space is formed in the concave portion 17. The recess group 15 is formed by arranging the recesses 17 in an orderly manner so that the one-side half and the other-side half are axisymmetric.

  The recesses 16 that form the recess group 14 and the recesses 17 that form the recess group 15 are arranged opposite to each other and arranged at different positions so as to communicate with each other. That is, the corner portion 17a (16a) of the concave portion 17 (16) is in contact with the central position of the concave portion 16 (17). Therefore, for example, when the case where the fluid R flows from the concave portion 16 side of the first element 11 to the concave portion 17 side of the second element 12 is considered, the fluid R is divided (distributed) into two flow paths. That is, the corner portion 17a of the second element 12 positioned at the center position of the recess 16 of the first element 11 functions as a flow dividing portion for dividing the fluid R. On the contrary, when the case where the fluid R flows from the second element 12 side to the first element 11 side is considered, the fluid R flowing from two directions flows into one concave portion 16 to be joined. In this case, the corner 16a of the first element 11 positioned at the center position of the recess 17 of the second element 12 functions as a merging portion.

  Similarly, in the second diffusion / mixing case 20, the concave group 24 of the first element 21 and the concave group 85 of the second intermediate element 82 are arranged to face each other, and the concave group 84 and the second of the first intermediate element 81 are arranged in the second case. The recesses 25 of the element 22 are arranged facing each other. And it contacts with the center position of the recessed part 26 (87) in the state in which the corner | angular part 87a (26a) of the recessed part 87 (26) is located, and it is made to function as a diversion part or a mixing part. Further, the central portion of the concave portion 27 (86) is brought into contact with the corner portion 86a (27a) of the concave portion 86 (27) so as to function as a diversion portion or a mixing portion. Here, each recessed part 26,27,86,87 is formed in the bottomed cylindrical shape of the regular hexagon which has the same depth and magnitude | size (opening surface shape), and in each recessed part 36,37,96,97. A regular hexagonal columnar space is formed.

  Similarly, in the third diffusion / mixing case 30, the concave group 34 of the first element 31 and the concave group 95 of the second intermediate element 92 are arranged facing each other, and the concave group 94 of the first intermediate element 91 and the first The concave group 95 of the second intermediate element 92 is arranged to face each other, and the concave group 94 of the first intermediate element 91 and the concave group 35 of the second element 32 are arranged to face each other. Then, the central portion of the concave portion 36 (97) is brought into contact with the corner portion 97a (36a) of the concave portion 97 (36) so as to function as a diversion portion or a mixing portion. Further, the central portion of the concave portion 96 (97) is in contact with the corner portion 97a (96a) of the concave portion 97 (96) so as to function as a diversion portion or a mixing portion. Further, the central portion of the concave portion 96 (37) is brought into contact with the corner portion 37a (96a) of the concave portion 37 (96) so as to function as a diversion portion or a mixing portion. Here, each recessed part 36,37,96,97 is formed in the bottomed cylindrical shape of the regular hexagon which has the same depth and magnitude | size (opening surface shape), and in each recessed part 36,37,96,97. A regular hexagonal columnar space is formed.

  In this embodiment, the shape of the opening surface of the recess is a regular hexagon. However, the shape of the opening surface of the recess is not limited to this shape, and may be a circle, a regular square, a regular octagon, or the like. .

(Explanation of effects)
In the static fluid mixing apparatus M according to the present embodiment configured as described above, for example, a plurality of different mixing targets in the first diffusion / mixing case 10 through the inlet 18 by the discharge pump Pb which is a pressurizing pump. A second diffusion / mixing channel formed in the second diffusion / mixing case 20 in the first diffusion / mixing channel F <b> 1 formed in the first diffusion / mixing case 10 by introducing the fluid R in a pressurized state. A plurality of different fluids R are sequentially flowed in F2 and the third diffusion / mixing flow path F3 formed in the third diffusion / mixing case 30 to mix and mix a plurality of different fluids R. The mixed fluid Rm can be led out from the terminal outlet 63 to the downstream side of the circulation pipe J.

  Then, when the fluid R flows in the first diffusion / mixing flow path F1 formed between the recess group 14 and the recess group 15, the fluid R meanders by repeatedly joining and splitting between the recesses 16 and 17. To flow. Further, the second diffusion / mixing flow formed in the second diffusion / mixing flow path F <b> 2 formed between the concave group 84 and the concave group 25 and between the concave group 85 and the concave group 24. When flowing in the path F <b> 2, the fluid flows in a meandering manner by repeating merging and splitting between the recesses 26 and 87 and between the recesses 86 and 27. Further, a third diffusion / mixing flow formed in the third diffusion / mixing flow path F3 formed between the concave group 94 and the concave group 35 and between the concave group 95 and the concave group 34. When flowing in the path F3 and the third diffusion / mixing flow path F3 formed between the recess group 94 and the recess group 95, the recesses 36 and 97, the recesses 96 and 97, and the recess 96 , 37 meander and flow in a meandering manner. During such a meandering flow, the fluid R as a dispersed phase receives a shearing force, and a mixed fluid Rm that is uniformly refined is generated.

  At this time, the first diffusion channel / mixing channel F1, the second diffusion / mixing channel F2, and the third diffusion / mixing channel F3 are connected to the first diffusion / mixing channel F1 and the second diffusion / mixing channel F2. In the second collective flow path f2 to be connected and the terminal collective flow path f3 to be connected to the third diffusion / mixing flow path F3, the mixed fluid Rm smoothly goes straight from the peripheral edge side to the central side without any obstacles. Therefore, the pressure loss in the collecting channel is reduced. As a result, it is possible to reduce the power consumption of the discharge pump Pb that pressurizes and supplies the fluid R to the static fluid mixing device M, and to increase the outflow amount (derived amount) of the mixed fluid Rm ( Efficiency). Since the flow of the mixed fluid Rm is rectified in each of the collective flow paths f1, f2, and f3, the inflow to the inflow ports 18, 28, and 38 or the outflow to the terminal outflow port 63 is smoothly performed. Therefore, pressure loss can be reduced.

  The required number of first to third diffusion / mixing cases 10, 20, 30 are connected in series through the first and second collecting flow path forming bodies 40, 50 in series. Third diffusion / mixing channels F1, F2, and F3 can be provided. That is, of the first to third diffusion / mixing cases 10, 20, 30 having different forms, one or two different forms of the required number are passed through the first and second collective flow path forming bodies 40, 50. A variety of combination forms can be adopted by connecting them in communication. As described above, since the static fluid mixing device M can be formed in various combinations of the first to third diffusion / mixing cases 10, 20, and 30, the generation efficiency of the mixed fluid Rm can be improved. At the same time, the outflow amount (derived amount) of the mixed fluid Rm can be set as appropriate.

A Mixing fluid generator M Static fluid mixing device Cy Circulating flow path J Circulating pipe K1 Gas supply pipe K2 Gas supply part R Fluid Rm Mixed fluid W Processed water 10, 20, 30 First to third diffusion / mixing cases 11, 21,31 First element 12,22,32 Second element 13,23,33 Peripheral wall 18,28,38 Inlet 19,29,39 Communication hole

Claims (4)

A plurality of diffusion / mixing cases formed in a flat box shape and having an inlet in the central portion of the upstream side wall are coaxially arranged, and between adjacent diffusion / mixing cases, a short-width cylindrical shape is formed. A collective flow path forming body having an internal collective flow path is interposed, a downstream side wall of the diffusion / mixing case located on the most downstream side is formed in a lid shape and has a terminal collective flow path inside, and a center Constructed by connecting a terminal aggregate flow path forming body with a terminal outlet formed in the part,
Inside each diffusion / mixing case, a diffusion / mixing flow path is formed in which a plurality of different fluids flowing in from the inflow port meandering in the radial direction toward the peripheral edge, and the fluid flows through the diffusion / mixing flow path. No diffusion / mixing,
A communication hole is formed in the peripheral edge of the downstream side wall of each diffusion / mixing case, and the inlet of the diffusion / mixing case adjacent to the downstream side is connected to the communication hole via the collecting channel in the collecting channel forming body. ,
The communication hole formed in the diffusion / mixing case located on the most downstream side is characterized in that the terminal outlet of the terminal assembly channel forming body communicates with the terminal assembly channel in the terminal assembly channel forming body. A stationary fluid mixing device. Each diffusion / mixing case is arranged so that the inner surfaces of the first element as the upstream side wall formed in the ring plate shape and the second element as the downstream side wall formed in the disk shape are opposed to each other, and between the peripheral portions of both elements In the form of a flat box with a cylindrical peripheral wall,
A plurality of recesses having the same depth and size are arranged in a ring shape from the center side toward the peripheral side on each facing surface of both elements to form a recess group, and the recesses of the opposing recess groups They are arranged at different positions so as to communicate with each other, and a diffusion / mixing flow path that flows in the radial direction while repeating merging and splitting while the fluid meanders between the opposing concave portions,
The diameter of the opening surface of the recessed part formed in each diffusion / mixing case is formed so that the diameter of the opening surface of the recessed part of the diffusion / mixing case disposed on the downstream side gradually becomes smaller. Static fluid mixing device. An intermediate element formed in the shape of a ring plate having a smaller diameter than the first element is disposed between the first element and the second element, and a recess group is formed on at least one side surface of the intermediate element and is opposed to the recess group. A diffusion / mixing flow path is formed between the first element and the second element recess group
The static fluid mixing apparatus according to claim 1 or 2, wherein a plurality of diffusion / mixing flow paths are formed in layers between the first element and the second element. 4. The static fluid mixing apparatus according to claim 3, wherein the diffusion / mixing flow path is formed by gradually increasing the number of layers of the diffusion / mixing flow path in the diffusion / mixing case disposed on the downstream side. .

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