JP2013150968A - Static fluid mixing apparatus - Google Patents

Abstract

Static fluid mixing that can reduce pressure loss, reduce power consumption of a pressure pump, and increase the flow rate (efficiency) of mixed fluid. Providing equipment.
[Solution]
A hollow unit support case that can be connected to a discharge port of a pumping pump that pumps a plurality of different fluids to be mixed, and a mixing unit that is connected to the unit support case. A plate-like second element is arranged so as to face the plate-like first element communicated with the unit support case via the inlet, and the fluid flowing in from the inlet between the two elements is surrounded by the peripheral edge of both elements. Diffusion / mixing channels that diffuse and mix by flowing toward the part side are formed, and an outlet that allows the mixed fluid to flow outward is formed at the periphery of both elements, which are the end of the diffusion / mixing channel. .
[Selection] Figure 1

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 channel that diffuses and mixes the 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 side between the two 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.

  Then, hexagonal recesses having the same appropriate depth and size are formed on the opposing surfaces of the first and second diffusion elements and the opposing surfaces of the first and second assembly elements in the honeycomb structure, and each of the opposing surfaces The elements are arranged at different positions so as to communicate with each other, and in the diffusion / mixing channel and the collecting / mixing channel, 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 first aspect of the present invention includes a hollow unit support case that can be connected to a discharge port of a pump that pumps a plurality of different fluids to be mixed, and a unit support case. The mixing unit is arranged such that the plate-like second element faces the plate-like first element that is connected to the unit support case through the fluid inflow port. A diffusing / mixing channel is formed between the elements by allowing the fluid flowing from the inlet to flow toward the periphery of both elements to form a diffusion / mixing channel. An outlet for allowing the mixed fluid to flow outward is formed in the part.

  In such a static fluid mixing device, when a unit support case is connected in communication with a discharge port of a pressure pump that pumps a plurality of different fluids to be mixed, a plurality of different fluids are discharged from the discharge port of the pressure pump. A plurality of different fluids are pumped through the unit support case into the mixing unit. The mixing unit forms a diffusion / mixing flow path between the elements arranged to face each other, and the diffusion / mixing flow path causes the fluid flowing in from the inlet to flow toward the peripheral edge side for diffusion / mixing. Mixing, resulting in a mixed fluid. Further, the generated mixed fluid flows out from the outlet formed at the peripheral edge portions of both elements, which are the end portions of the diffusion / mixing flow path. Therefore, the mixed fluid can be generated steadily, and the generation efficiency of the mixed fluid can be improved.

  At this time, since a plurality of different fluids flow out from the outlet after passing through the diffusion / mixing channel, the pressure loss can be reduced. Therefore, 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 to increase (efficiency) the outflow amount of the mixed fluid. Can do.

  In addition, when a liquid that is a fluid as a continuous phase and a liquid that is a fluid as a dispersed phase are used as a mixed fluid, the mixed fluid generated from the suction port of the pressure pump is sucked into the mixed unit again. By performing the circulation flow for flowing in the diffusion / mixing flow path a required number of times, the liquid as the dispersed phase can be made into fine (micro level or nano level) droplets.

  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 a plurality of mixing units are spaced apart in the axial direction and the circumferential direction on the outer peripheral surface of the unit support case. It is characterized in that it is connected in communication with a gap.

  In such a static fluid mixing apparatus, a plurality of mixing units are connected to the outer peripheral surface of the unit support case at intervals in the axial direction and the circumferential direction, so that a plurality of fluid mixing processes can be performed simultaneously by the plurality of mixing units. Is done efficiently. At this time, the number of the mixing units can be appropriately arranged in a desired number on the outer peripheral surface by appropriately setting the outer diameter of the unit support case.

  A static fluid mixing apparatus according to a third aspect of the invention is the static fluid mixing apparatus according to the first or second aspect, wherein the first element and the second element of the mixing unit are along the axial direction of the unit support case. The first element is characterized in that a plurality of fluid inlets are formed in the first element at intervals in the extending direction.

  In such a static fluid mixing device, the first element and the second element of the mixing unit are formed into a plate shape extending along the axial direction of the unit support case, and a plurality of first elements are spaced apart in the extending direction. Therefore, the fluid is introduced from each inlet through the unit support case. Then, fluid flows from each inflow port through the diffusion / mixing flow channel toward the peripheral side, and diffuses and mixes to generate a mixed fluid. Further, the generated mixed fluid flows out from the outlet formed at the peripheral edge portions of both elements, which are the end portions of the diffusion / mixing flow path. At this time, since the required number of inlets can be formed in one mixing unit by appropriately setting the extension and extension of one mixing unit, the required number of fluid mixing processes can be efficiently performed simultaneously by each mixing unit. Made.

  A static fluid mixing apparatus according to a fourth aspect of the present invention is the static fluid mixing apparatus according to any one of the first to third aspects, wherein the first element having a fluid inlet is provided in the unit support case. The mixing unit is formed by integrally molding and bonding the second element to the first element so as to face each other.

  In such a static fluid mixing apparatus, a first unit having a fluid inlet is integrally formed in a unit support case, and a second unit is faced and bonded to the first element to form a mixing unit. Therefore, simplification and weight reduction of the structure can be achieved.

  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. The increase (efficiency) of the outflow amount can be achieved.

Cross-sectional front explanatory drawing of the static type fluid mixing apparatus as 1st Embodiment. The II sectional view taken on the line of FIG. Front sectional exploded explanatory drawing of the mixing unit with which the static fluid mixing apparatus as a 1st embodiment comprises. II-II arrow directional view of FIG. Side surface explanatory drawing of a 1st, 2nd element. Explanatory drawing of a diffusion / mixing flow path. BRIEF DESCRIPTION OF THE DRAWINGS The conceptual explanatory drawing of the mixed fluid production | generation apparatus which comprises the static fluid mixing apparatus as 1st Embodiment. Sectional assembly explanatory drawing of the static type fluid mixing apparatus as 2nd Embodiment. Cross-sectional front explanatory drawing of the static type fluid mixing apparatus as 2nd Embodiment. Cross-sectional side explanatory drawing of the static type fluid mixing apparatus as 2nd Embodiment. The conceptual explanatory drawing of the mixed fluid production | generation apparatus which comprises the static fluid mixing apparatus as 2nd Embodiment.

  Hereinafter, a first embodiment and a second embodiment of the present invention will be described with reference to the drawings.

[Description of Static Fluid Mixing Device According to First Embodiment]
M shown in FIG. 1 is a static fluid mixing apparatus according to the first embodiment. As shown in FIGS. 1 to 6, the static fluid mixing apparatus M supplies a plurality of different fluids R to be mixed. A hollow unit support case 10 that can be connected to and connected to a discharge port Pt (see FIG. 7) of a pressure-feed pump P that supplies pressure and a mixing unit 20 that is connected to and connected to the unit support case 10 are provided. The mixing unit 20 is arranged with a plate-like second element 40 facing a plate-like first element 30 that is connected to the unit support case 10 through an inlet 32 of the fluid R formed at the center. Yes. A diffusion / mixing flow path 80 is formed between the elements 30 and 40 to diffuse and mix the fluid R flowing in from the inlet 32 in the radial direction toward the peripheral edge. Outflow ports 64 through which the mixed fluid flows out are formed at the peripheral portions of both elements 30 and 40, which are the end portions of 80.

  The unit support case 10 is formed by forming a plurality of outlets 12 on the peripheral surface of a support case body 11 that is extended in a straight shape and formed in a cylindrical shape, and is formed in a cylindrical shape with a short axis length around the outlet 12. The mixing unit 20 is attached to the support boss portion 13 in a state where the boss portion 13 is protruded and the outlet 12 and the inflow port 32 are communicated with each other.

  A plurality of the outlets 12 are formed on the peripheral wall of the cylindrical unit support case 10 at intervals in the axial direction and in the circumferential direction (in this embodiment, five in the axial direction and four in the circumferential direction), Each outlet 12 is formed by arranging four outlet holes 12a on the same circumference. A support boss 13 is provided around each outlet 12 so as to project outward from the outer peripheral surface of the support case main body 11 (in the radial direction of the support case main body 11).

  A portion of the support case main body 11 located at the center portion (axial core portion) of the support boss portion 13 is provided with a female screw portion 14 as a mounting portion, and the female screw portion 14 has a male screw portion such as a bolt as a mounting tool. 15 can be screwed. In each central part of the first element 30 and the second element 40 of the mixing unit 20, a first insertion hole 33 and a second insertion hole 43 for inserting the male screw part 15 are formed by penetrating in the axial direction. Yes.

  A concave groove 16 is formed on the end surface 13a of the support boss portion 13 along the periphery thereof, and an O-ring 17 as a sealing body (gasket) made of an elastic material is accommodated in the concave groove 16. . Then, the second element 40 of the mixing unit 20 is brought into surface contact with the end surface 13a of the support boss portion 13 via the O-ring 17, and the first element 30 is opposed to the second element 40 in a superposed state, so that the first insertion hole 33 and the second insertion hole 43 are aligned, the male screw portion 15 is inserted into both the first and second insertion holes 33, 43, and the tip of the male screw portion 15 is screwed into the female screw portion 14. The mixing unit 20 is assembled and attached to the support boss portion 13.

  The support case main body 11 detachably communicates and connects the connecting body 50 to the one side end opening, and detachably connects the closing body 60 to the other end opening to close the other end opening. Yes. A protective body 70 is provided between the coupling body 50 and the closing body 60 so as to surround and protect the outer periphery of the support case main body 11.

  The support case main body 11 has a one-side end male screw portion 18 formed on the outer peripheral surface of one side end portion (in this embodiment, the upper end portion in FIG. 1) and the other end portion (in this embodiment, the lower end in FIG. 1). The other end male screw portion 19 is formed on the outer peripheral surface of the portion.

  The connecting body 50 is formed in a cylindrical shape, and a connecting piece 51 is formed at one end, and a stepped recess 52 is formed on the inner peripheral surface of the other end, and the inner peripheral surface of the stepped recess 52 is formed. The connecting body female screw part 53 is formed in the inner part. The connecting piece 51 can be directly detachably connected to the discharge port Pt of the pressure feed pump P, or can be connected to the discharge port Pt of the pressure feed pump P at the distal end of the discharge side pipe 92 (see FIG. 7). It forms so that a part can also be connected detachably.

  The closing body 60 is formed in a cap shape having a cylindrical peripheral wall 61 and an end wall 62 continuously connected to the other end edge of the peripheral wall 61, and a closing body female screw portion 63 is formed on the inner peripheral surface of the peripheral wall 61. Forming.

  And the connection body female screw part 53 of the connection body 50 is detachably screwed and connected to the one end male screw part 18. In addition, a closing body female screw portion 63 of a closing body 60 formed in a cap shape is detachably screwed and connected to the other end male screw portion 19.

  As shown in FIGS. 1 and 2, the protective body 70 is a net 73 provided between a pair of one side wall 71 and other side wall 72 in the form of a circular ring plate and the peripheral portions of both side walls 71, 72. And consists of

  Both side wall bodies 71 and 72 are formed in line symmetry, and are arranged so as to face each other in the axial direction of the support case main body 11. The side wall bodies 71 and 72 are formed by superposing outer side wall pieces 74 and 75 and inner side wall pieces 76 and 77, respectively. The outer side wall pieces 74 and 75 have outer ring main pieces 74a and 75a formed in a circular ring plate shape having an inner diameter substantially the same as the outer diameter of the support case body 11 and a constant radial width, and outer side wall main pieces 74a, The inner and outer peripheral flange portions 74b, 74c, 75b, and 75c are formed by extending the inner peripheral portion and the outer peripheral portion of 75a in the opposite directions. The inner side wall pieces 76 and 77 include inner side wall pieces 76a and 77a formed in a circular ring shape, and outer peripheral flange pieces 76c formed by extending from outer peripheral edge portions of the inner side wall main pieces 76a and 77a toward each other. 77c.

  The inner peripheral flange piece 74b of the outer side wall main piece 74a is sandwiched between the other side end face of the connecting body 50 and the outer peripheral face of the four support boss parts 13 provided at one end part of the support case main body 11. Yes. The inner peripheral flange piece 75b of the outer side wall main piece 75a is sandwiched between one end face of the closing body 60 and the outer peripheral face of the four support boss parts 13 provided at the other end part of the support case main body 11. Yes.

  The net 73 is formed in a cylindrical shape that is spaced apart from the outer peripheral surface by a certain width on the outer periphery of the support case main body 11 and that extends along the outer peripheral surface. The both end edges of the net 73 are between the inner peripheral surfaces of the outer peripheral flange pieces 74b and 75b of the outer side wall pieces 74 and 75 and the outer peripheral surfaces of the outer peripheral flange pieces 76c and 77c of the inner side wall pieces 76 and 77. It is pinched.

  The protection body 70 configured as described above can be removed from the support case body 11 by removing the connecting body 50 or the closing body 60 from the support case body 11.

  The static fluid mixing apparatus M according to the present embodiment is configured as described above, and according to the static fluid mixing apparatus M, the following operational effects are produced. That is, when the unit support case 10 is connected in communication with the discharge port Pt of the pressure pump P that pumps a plurality of different fluids to be mixed, and a plurality of different fluids R are discharged from the discharge port Pt of the pressure pump P, A plurality of different fluids R are pumped into the mixing unit 20 through the unit support case 10. The mixing unit 20 forms a diffusion / mixing flow path 80 between the first and second elements 30, 40 arranged to face each other, and the diffusion / mixing flow path 80 is a fluid R flowing from the inlet 32. Is diffused and mixed by flowing in the radial direction toward the peripheral side, and as a result, a mixed fluid is generated. Further, the generated mixed fluid flows out from the outlet 64 formed at the peripheral edge of both elements 30 and 40 which are the end portions of the diffusion / mixing flow path. At this time, since a plurality of different fluids flow out from the outlet 64 after passing through the diffusion / mixing flow path 80, pressure loss can be reduced. Therefore, it is possible to reduce the power consumption of the pumping pump P that pressurizes and supplies the fluid to the static fluid mixing device M, and to increase (efficiency) the outflow amount of the mixed fluid. I can do it.

  In addition, when a liquid that is a fluid as a continuous phase and a liquid that is a fluid as a dispersed phase are mixed fluid, the mixed fluid generated from the suction port Pk (see FIG. 7) of the pressure pump P is sucked. Then, the liquid in the dispersed phase can be made into fine (micro level or nano level) liquid droplets by performing the circulation flow to flow through the diffusion / mixing flow path 80 of the mixing unit 20 again.

  Since the mixing unit 20 is attached to the support boss portion 13 protruding around the outlet 12, a plurality of different fluids pumped into the unit support case 10 by the pressure pump P are supplied to the outlet 12 → inlet 32 → The diffusion / mixing flow path 80 can be discharged outward through the outlet 64, and the pressure loss can be steadily reduced. At this time, since the fluid R is mixed while being diffused in the diffusion / mixing flow channel 80, the liquid as the dispersed phase becomes fine and uniform droplets.

  Since a large number of mixing units 20 can be attached to the unit support case 10, a mixed fluid can be generated simultaneously by each mixing unit 20. Therefore, it is possible to steadily increase (efficiency) the outflow amount of the mixed processed fluid.

  Since the mixing unit 20 is attached to the female threaded portion 14 of the unit support case 10 via the male threaded portion 15, the mixing unit can be easily removed from the mounting portion via the fixture during maintenance work. Good properties can be secured.

  Since the O-ring 17 is accommodated in the groove 16 formed on the end surface of the support boss portion 13 and the mixing unit 20 is attached to the support boss portion 13 via the O-ring 17, the support boss portion has a simple structure. 13 and the mixing unit 20 can be satisfactorily secured. Therefore, the pressure loss can be reduced, the mixed fluid can be generated steadily, and the generation efficiency of the mixed fluid can be improved.

[More Specific Description of Mixing Unit 20 Configuration]
Next, the configuration of the mixing unit 20 will be described more specifically. That is, the mixing unit 20 has a disk-shaped second element 40 on the disk-shaped first element 30 in which the inlet 32 of the fluid R (indicated by an arrow in FIG. 6) to be processed is formed at the center. A diffusion / mixing flow path 80 that is disposed so as to face each other and diffuses and mixes by flowing the fluid R flowing in from the inlet 32 on the central portion side radially between the elements 30 and 40 toward the peripheral portion. Is formed and configured.

  As shown in FIG. 6, the diffusion / mixing flow path 80 is formed by arranging a large number of concave portions 35 and 45 having the same shape and size on the opposing surfaces of the first and second elements 30 and 40, respectively. The opening surfaces of the recesses 35 and 45 of the elements 30 and 40 are in contact with each other in abutting manner and are arranged at different positions so as to communicate with each other. The number of the concave portions 35 and 45 of the elements 30 and 40 arranged on the same circumference centering on the inflow port 32 of the fluid R is gradually increased from the central side toward the peripheral side, and is in the flow direction. The number of shunts (dispersion number) is increased in the radial direction. An outlet 64 is formed between the elements 30 and 40 on the peripheral edge side.

  With this configuration, in the mixing unit 20, the number of the concave portions 35 and 45 of the first and second elements 30 and 40 is gradually increased from the central portion side toward the peripheral portion side. The number of concavities 35 and 45 to be merged increases toward the peripheral edge side, and is diverged (distributed) in proportion to that. For this reason, in the diffusion / mixing flow path 80, the number of times that the shearing force acts on the fluid R to be refined gradually increases along the flow direction of the fluid R (radial direction toward the peripheral edge side).

  Each mixing unit 20 has the same structure, and as shown in FIGS. 3 and 5, two plate-like (substantially disc-shaped) members arranged opposite to each other, more specifically, a disc-like shape. The first and second elements 30 and 40 are provided.

  Of the two first and second elements 30, 40 forming each mixing unit 20, the first element 30 disposed on the outlet 12 side has a fluid R at the center of the disc-shaped element body 31. The inflow port 32 is formed in a penetrating state.

  As shown in FIG. 5, a plurality of concave portions 35 having a regular hexagonal opening shape are formed on the downstream side surface of the element body 31 with no gap. A large number of recesses 35 are formed in a so-called honeycomb shape. Reference numeral 34 denotes a pin insertion recess of the first element 30. Reference numeral 36 denotes a first insertion part disposed in the center of the first element 30, and the first insertion hole 33 is formed in the first insertion part 36. Reference numeral 37 denotes a three-piece support piece that supports the first insertion portion 36 at the center in the inflow port 32.

  As shown in FIGS. 2 to 4, the second element 40 is formed to have substantially the same diameter as the first element 30. Like the element body 31 of the first element 30, a plurality of concave portions 45 having regular hexagonal openings are formed on the surface of the element body 41 of the second element 40 facing the first element 30 with no gap. Yes. 46 is a pin insertion hole formed in the second element 40, and 47 is a positioning pin inserted through the pin insertion hole 46. The tip of the positioning pin 47 is inserted into the pin insertion recess 34 of the first element 30, and the first insertion hole 46 is inserted into the first element 30. The element 30 and the second element 40 are positioned and face each other.

  Both elements 30 and 40 are assembled in an arrangement as shown in FIG. If it demonstrates concretely, the 1st element 30 and the 2nd element 40 will be arrange | positioned in a facing state. At this time, the opening surfaces of the honeycomb-shaped recesses 35 on the downstream side surface of the first element 30 and the opening surfaces of the honeycomb-shaped recesses 45 on the upstream side surface of the second element 40 are in contact with each other. The orientation of the second element 40 is determined (see FIG. 3). In this state, the tip of the positioning pin 47 inserted through the pin insertion hole 46 of the second element 40 is inserted into the pin insertion recess 34 of the first element 30 and assembled.

  Therefore, when both elements 30 and 40 are assembled, the terminal portion of the diffusion / mixing flow path 80 formed between the elements 30 and 40 is opened in a ring shape toward the outer periphery. Then, the fluid R supplied to the inlet 32 of the first element 30 passes through the diffusion / mixing flow path 80 (see FIG. 6), and is then discharged from the end portion of the diffusion / mixing flow path 80.

  Here, a description will be given of the interrelationship between a large number of honeycomb-shaped concave portions 35 and 45 that are positioned by the positioning pins 47 and formed on the contact-side surfaces of the elements 30 and 40. That is, as shown in FIG. 4, the recesses 35 and 45 of both elements 30 and 40 are formed in the same shape and size, and these contact surfaces are located at the center position of the recess 35 of the first element 30 in the second position. The corners 49 of the recesses 45 of the element 40 are in contact with each other in a state where they are located.

  When the first element 30 and the second element 40 are brought into contact with each other in such a state, the fluid R can flow between the concave portion 35 of the first element 30 and the concave portion 45 of the second element 40. The corner 49 is a position where the corners of the three recesses 45 are gathered.

  Therefore, for example, when the case where the fluid R flows from the concave portion 35 side of the first element 30 to the concave portion 45 side of the second element 40 is considered, the fluid R is divided (distributed) into two flow paths.

  That is, the corner portion 49 of the second element 40 positioned at the center position of the concave portion 35 of the first element 30 functions as a diversion portion for diverting the fluid R. On the contrary, when the case where the fluid R flows from the second element 40 side to the first element 30 side is considered, the fluid R flowing from the two directions flows into one concave portion 35 to be joined. In this case, the corner portion 49 located at the center position of the second element 40 functions as a merging portion.

  The corner 39 of the recess 35 of the first element 30 is also located at the center position of the recess 45 of the second element 40. In this case, the corner portion 39 of the first element 30 functions as the diversion portion or the merging portion described above.

  As described above, the fluid R supplied in the axial direction of the elements 30 and 40 from the central inflow port 32 joins and splits (disperses) between the elements 30 and 40 facing each other. The diffusion / mixing flow path 80 (see FIG. 6) that flows in a meandering state in the radiation direction (radial direction orthogonal to the axial direction) of both elements 30 and 40 is formed. In the process in which the fluid R flows through the diffusion / mixing flow path 80, the fluid R is mixed.

[Description of fluid mixing system]
In the fluid mixing system, a liquid and a liquid, a liquid and a gas, or a mixture of a powder and a liquid as a fluid R is pumped from the opening on one side into the support case body 11 closed on the other end. It is configured to do. Then, the mixture flows from each outlet 12 into the inlet 32 formed in the central portion of the mixing unit 20 through the support boss portion 13, and flows in the radial direction toward the peripheral portion through the diffusion / mixing channel 80. After being done, it flows out from the outflow port 64 at the peripheral edge of the mixing unit 20.

  With this configuration, the liquid R as the fluid R, the liquid and gas, or the mixture of powder and liquid flow and pass through the diffusion / mixing flow path 80 of the plurality of mixing units 20, and the outlet By letting it flow out from 64, it is possible to make ultrafine (from nano level to several μm level) and uniform and mix. The nano level means a level of less than 1 μm. The submicron level refers to a level of 0.1 μm to 1 μm.

(Mixed fluid generating device comprising the static fluid mixing device of the first embodiment)
FIG. 7 shows a mixed fluid generating apparatus 90 that generates a gas-liquid mixed fluid that is one form of the fluid mixing system. The mixed fluid generation device 90 includes the static fluid mixing device M as the first embodiment described above. That is, the mixed fluid generating apparatus 90 accommodates treated water W (for example, water) as a liquid in a container 91 having an upper surface opened, and a stationary fluid mixing apparatus M is disposed in the treated water W to be stationary. A distal end portion of the discharge side pipe 92 is connected in communication with the opening portion on one side end of the mold fluid mixing apparatus M via a connecting body 50. The discharge side pipe 92 has a proximal end connected to the discharge port Pt of the pressure feed pump P. The suction port Pk of the pressure pump P is connected to the tip end of the suction side pipe 93 in communication with the base end of the suction side pipe 93 in the treated water W.

  A gas supply unit 95 is connected to a portion of the discharge side pipe 92 adjacent to the discharge port Pt of the pressure feed pump P via a gas supply pipe 94. In this embodiment, oxygen gas or nitrogen gas is supplied as gas. Reference numeral 96 denotes a gas supply amount adjusting valve provided in the middle of the gas supply pipe 94. The gas supply unit 95 can also be connected to a portion of the suction side pipe 93 that is close to the suction port Pk of the pressure feed pump P.

  With such a configuration, in the mixed fluid generating apparatus 90, the pumping pump P is operated to suck the treated water W through the suction side pipe 93 and to remove the treated water W and nitrogen through the discharge side pipe 92. It pumps in the support case main body 11 of the mixing apparatus M. The treated water W and nitrogen pumped into the support case main body 11 are introduced from each outlet 12 into the inlet 32 formed at the center of the mixing unit 20 through the support boss 13 and through the diffusion / mixing channel 80. By flowing in the radial direction toward the peripheral edge side, the mixture is made ultrafine and uniform, and then flows out from the outlet 64 at the peripheral edge of the mixing unit 20.

  By performing this operation for a certain period of time, oxygen of the treated water W stored in the container 91 can be released, and nitrogen can be dissolved in the treated water W to make the treated water W into nitrogen water. According to the static fluid mixing apparatus M, for example, the DO value (dissolved oxygen amount) of 1t of treated water W can be reduced to 1 or less within 1 minute.

[Description of Static Fluid Mixing Device According to Second Embodiment]
M shown in FIGS. 8 to 11 is a static fluid mixing apparatus according to the second embodiment, and the static fluid mixing apparatus M is a static type according to the first embodiment as shown in FIGS. The basic structure is shared with the fluid mixing device M. That is, the basic structure in common is that the unit support case 110 has a hollow unit support case 110 that can be connected to a pumping pump Pb (see FIG. 11) that pumps a plurality of different fluids R to be mixed. The mixing unit 120 is connected to the plate-like first element 130 connected to the unit support case 110 via the fluid R inflow port 132 and the plate-like second element. 140 is disposed facing each other, and a diffusion / mixing flow path 180 is formed between the elements 130 and 140 to flow and diffuse and mix the fluid R flowing in from the inlet 132 toward the peripheral edge side. In addition, an outflow port 164 for flowing the mixed fluid Rm outward is formed at the peripheral edge portions of both elements 130 and 140 which are the end portions of the diffusion / mixing flow path 180. A. In other words, the gap between the peripheral edges of the elements 130 and 140 serves as the outflow port 164, and the outflow port 164 extends in the longitudinal direction of the both elements 130 and 140 and the width direction of the both elements 130 and 140. It is formed from the gap | interval of the both-ends edge part extended in this.

  The static fluid mixing device M of the first embodiment and the static fluid mixing device M of the second embodiment are particularly different from each other in the static fluid mixing device M of the second embodiment. The first element 130 and the second element 140 have a plate shape extending along the axial direction of the unit support case 110, and the first element 130 is provided with a plurality of fluid inlets 132 at intervals in the extending direction. The first element 130 is formed integrally with the unit support case 110, and the second element 140 is opposed to the first element 130 and bonded to form the mixing unit 120.

  In the static fluid mixing apparatus M of the second embodiment configured as described above, the first element 130 and the second element 140 of the mixing unit 120 are formed in a plate shape extending along the axial direction of the unit support case 110, Since the plurality of fluid inlets 132 are formed in the first element 130 at intervals in the extending direction, the fluid flows in from the inlets 132 through the unit support case 110. Then, fluid flows from each inlet 132 through the diffusion / mixing flow path 180 toward the peripheral edge side, in particular, toward the side edge portion extending in the longitudinal direction of both elements 130 and 140 adjacent to each inlet 132. After diffusion and mixing, the mixed fluid Rm is generated. Further, the generated mixed fluid Rm flows out from the outlet 164 formed at the peripheral edge portions of the elements 130 and 140 which are the end portions of the diffusion / mixing flow path 180. At this time, by appropriately setting the extension / extension of one mixing unit 120, a required number of inlets 132 can be formed in one mixing unit 120, and the diffusion / mixing channel 180 can be formed from each inlet 132. Since it can be formed, the fluid mixing process is efficiently performed simultaneously by the large number of diffusion / mixing channels 180 formed in each mixing unit 120.

  Then, the first element 130 having the fluid R inlet 132 is integrally formed in the unit support case 110, and the second element 140 is bonded to the first element 130 so that the mixing unit 120 is formed. Therefore, simplification and weight reduction of the structure can be achieved.

  Hereinafter, the configuration of the static fluid mixing apparatus M according to the second embodiment will be described more specifically with reference to FIGS. That is, the static fluid mixing device M is made of a synthetic resin such as hard vinyl chloride having excellent electrical insulation, flame retardancy, and workability, and the one-side case body 100 and the other-side case body 101 are integrated. It is constituted by combining and adhering to each other. In the one-side case body 100, the one-side end wall forming piece 102 and the unit support case 110 are integrally formed. The other case body 101 is formed by integrally bonding the other end wall forming piece 103 and the peripheral wall forming piece 104.

  First, the one-side case body 100 will be described. The one-side end wall forming piece 102 of the one-side case body 100 includes a disc-shaped one-side end wall 105 and a downstream side peripheral surface of the one-side end wall 105 on the downstream side. It is formed in a cap shape from a ring-shaped one-side connecting peripheral wall 106 formed by projecting into a ring. An introduction port 107 is formed at a position closer to one side end wall 105, and a cylindrical introduction side connection piece 108 protrudes from the peripheral edge of the introduction port 107 to the upstream side and is integrally formed.

  The unit support case 110 of the one-side case body 100 includes a cylindrical support peripheral wall 111 that is integrally formed by extending straight from the center of the downstream side surface of the one end wall 105 to the downstream side, and a downstream of the support peripheral wall 111. It is formed from a disk-like support end wall 112 adhered to the side end face in a closed manner. The introduction port 107 communicates with the inside of the unit support case 110 and is arranged in the support peripheral wall 111 of the unit support case 110 so that all the fluid R introduced from the introduction port 107 is introduced into the unit support case 110. I try to do it.

  A plurality of (eight in the present embodiment) long rectangular plate-like first elements 130 having the same longitudinal width as the cylinder length are integrally formed on the supporting peripheral wall 111 at intervals in the circumferential direction. The first element 130 is formed with a plurality of (in this embodiment, ten) inflow ports 132 penetrating in the thickness direction of the first element 130 at intervals in the longitudinal direction. In addition, the first element 130 is arranged so that the second elements 140 formed in the shape of the same plate face each other, and the portions of the opposing surfaces that are in contact with each other are bonded together to form a plurality (10 in the present embodiment). ).

  The opposing surfaces of the first and second elements 130 and 140 facing each other have the same shape and the same as the first and second elements 30 and 40 provided in the static fluid mixing device M of the first embodiment. A large number of concave portions 135 and 145 are arranged in the longitudinal direction and the width direction, respectively, to form a diffusion / mixing flow path 180. The opening surfaces of the recesses 135 and 145 of the elements 130 and 140 are in contact with each other in abutting manner, and are arranged at different positions so as to communicate with each other. The number of the concave portions 135 and 145 of the elements 130 and 140 arranged on the same circumference centering on the inlet port 132 of the fluid R is gradually increased from the central portion side to the side edge portion side. The diversion number (dispersion number) is increased in the direction (outside) of a certain side edge or end edge. Between the elements 130 and 140, an outlet 164 is formed on the peripheral side to allow the mixed fluid Rm to flow outward. That is, the outflow port 164 is formed by both side edge outflow ports extending in the longitudinal direction of the elements 130 and 140 and the upstream and downstream outflow ports extending in the width direction, and the fluid R flowing in from the respective inflow ports 132 is Through the diffusion / mixing flow path 180, the mixed fluid Rm flows out from the portion of the outlet 164 (both side edge outlets and / or upper / downstream outlets) close to each inlet 132. .

  Since a plurality of (in this embodiment, 10) inflow ports 132 are formed at intervals in the longitudinal direction in one mixing unit 120 formed in this manner and elongated in the longitudinal direction, A large number of diffusion / mixing channels 180 per mixing unit 120 can be formed efficiently. As a result, the generation efficiency of the mixed fluid Rm can be improved.

  Next, the other case body 101 will be described. The other end wall forming piece 103 of the other case body 101 is upstream of the disk-like other end wall 113 and the upstream peripheral surface of the other end wall 113. It is formed in a cap shape from a ring-shaped other-side connecting peripheral wall 114 formed so as to protrude to the side. A lead-out port 115 is formed at a position closer to one side of the other side end wall 113, and a cylindrical lead-out side connection piece 116 is projected from the peripheral edge of the lead-out port 115 to the downstream side, and is integrally formed.

  The peripheral wall forming piece 104 of the other case body 101 is formed in a cylindrical shape that extends straight and has a larger diameter than the unit support case 110, and is fitted into the peripheral connecting peripheral wall 114 of the other case body 101. The other-side case body 101 is integrally formed by adhering the downstream-side outer peripheral surface portion of the peripheral wall forming piece 104 to the inner peripheral surface of the other-side connecting peripheral wall 114 in surface contact with the superposed state. The upstream outer peripheral surface portion of the peripheral wall forming piece 104 is fitted into the one side connecting peripheral wall 106 of the one side case body 100, and the upstream outer peripheral surface portion of the peripheral wall forming piece 104 is overlapped with the inner peripheral surface of the one side connecting peripheral wall 106. The unit-type support case 110 in which the mixing unit 120 is disposed and supported is integrally formed with the stationary fluid mixing device M surrounded by a covering state by being brought into surface contact with the state.

  In the static fluid mixing apparatus M configured as described above, the fluid R that has flowed into the unit support case 110 through the introduction port 107 in a pumped state is a large number of inlets formed in the first element 130 of each mixing unit 120. 132 flows into the mixing unit 120. Then, the fluid R flows while meandering in each diffusion / mixing flow path 180 to become a mixed fluid Rm, and the mixed fluid Rm flows out from an outlet 164 formed on the peripheral edge side between both elements 130 and 140. The The mixed fluid Rm flowing out from the outflow port 164 flows downstream along the inner surface of the other case body 101 and is led out from the outlet 115 formed in the other case body 101.

(Mixed fluid generating apparatus including the static fluid mixing apparatus of the second embodiment)
FIG. 11 shows a mixed fluid generating apparatus 190 that generates a gas-liquid mixed fluid that is one form of the fluid mixing system. The mixed fluid generating apparatus 190 includes the static fluid mixing apparatus M as the second embodiment described above. That is, the mixed fluid generation apparatus 190 supplies gas to the circulation channel Cy that circulates the fluid, the tank 191 that is provided in the middle of the circulation channel Cy and stores the treated water W, and the treated water W that flows out of the tank 191. A shearing force is applied to the gas supply part 195 connected to the middle part of the circulation flow path Cy through the gas supply pipe 194 to be supplied, and to the gas-liquid mixed phase of the gas supplied from the gas supply part 195 and the treated water W. The stationary fluid mixing device M is provided in the middle of the circulation flow path Cy so as to mix the gas with the treated water W as a group of bubbles having ultrafine bubbles.

  The circulation channel Cy is formed by connecting the base end of the circulation pipe J to the bottom of the tank 191 containing the treated water W and inserting the tip of the circulation pipe J into the treated water W in the tank 191 from above. doing. 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 191 in series. Then, a gas supply unit 195 is connected to the circulation pipe J located between the discharge port of the suction pump Pa disposed on the upstream side and the suction port of the discharge pump Pb disposed on the downstream side via the gas supply pipe 194. 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. 196 is a gas supply amount adjustment valve provided in the middle of the gas supply pipe 94, 197 is a pressure adjustment valve attached to the tip of the circulation pipe J, and 198 can supply treated water W as a solvent into the tank 191 at any time. The treated water supply unit.

  By configuring the suction pump Pa and the discharge pump Pb in this way, the gas supplied from the gas supply unit 595 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. Further, in the present embodiment, the suction pump Pa and the discharge pump Pb with low power consumption can be used in combination while securing the generation capability of the mixed fluid Rm, so that the manufacturing cost and running cost of the mixed fluid generating device 2 can be achieved. Can be reduced. In addition, the structure which suck | inhales gas by making suction pump Pa and discharge pump Pb cooperate as mentioned above is applicable also to the mixed fluid production | generation apparatus 90 which comprises the static fluid mixing apparatus of 1st Embodiment. .

M Static Type Fluid Mixing Device 10 Unit Support Case 11 Support Case Main Body 12 Outlet 13 Support Boss Part 20 Mixing Unit 30 First Element 40 Second Element 50 Connection Body 60 Closure Body 70 Protection Body 80 Diffusion / Mixing Channel

Claims (4)

A hollow unit support case capable of being connected in communication with the discharge port of a pumping pump for pumping a plurality of different fluids to be mixed, and a mixing unit connected in communication with the unit support case,
The mixing unit is arranged such that a plate-like second element faces a plate-like first element that is connected to a unit support case through a fluid inlet, and flows from the inlet between both elements. A diffusion / mixing flow path is formed in which the fluid flows toward the peripheral edge of both elements to diffuse and mix, and the mixed fluid flows out to the peripheral edge of both elements, which is the end of the diffusion / mixing flow path. A static type fluid mixing apparatus, characterized in that an outlet is formed.   2. The static fluid mixing apparatus according to claim 1, wherein a plurality of mixing units are connected in communication with the outer peripheral surface of the unit support case at intervals in the axial direction and the circumferential direction.   The first element and the second element of the mixing unit are formed in a plate shape that extends along the axial direction of the unit support case, and a plurality of fluid inlets are formed in the first element at intervals in the extending direction. The static fluid mixing apparatus according to claim 1 or 2, wherein   The first element having a fluid inlet is formed integrally with the unit support case, and the mixing unit is formed by adhering the second element to the first element so as to face each other. The static fluid mixing apparatus according to claim 1.

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