WO1998058730A1 - Melangeur de fluide statique - Google Patents

Melangeur de fluide statique Download PDF

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Publication number
WO1998058730A1
WO1998058730A1 PCT/JP1997/002174 JP9702174W WO9858730A1 WO 1998058730 A1 WO1998058730 A1 WO 1998058730A1 JP 9702174 W JP9702174 W JP 9702174W WO 9858730 A1 WO9858730 A1 WO 9858730A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing
diameter
small
ring seal
seal body
Prior art date
Application number
PCT/JP1997/002174
Other languages
English (en)
Japanese (ja)
Inventor
Tomio Niimi
Original Assignee
Kankyou Kagaku Kougyou Kabushiki Kaisya
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kankyou Kagaku Kougyou Kabushiki Kaisya filed Critical Kankyou Kagaku Kougyou Kabushiki Kaisya
Priority to EP97927445A priority Critical patent/EP1004351A1/fr
Priority to PCT/JP1997/002174 priority patent/WO1998058730A1/fr
Priority to AU31916/97A priority patent/AU730726B2/en
Priority to CA002294445A priority patent/CA2294445A1/fr
Publication of WO1998058730A1 publication Critical patent/WO1998058730A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/421—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path
    • B01F25/422—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path between stacked plates, e.g. grooved or perforated plates

Definitions

  • the present invention relates to a static fluid mixing device having no mechanical moving part.
  • Such a mixing apparatus includes a cylindrical casing having an inlet and an outlet at both ends.
  • a plurality of large and small discs in which a large number of large and small discs each having a large number of polygonal chambers each having an open front face arranged in a honeycomb shape are concentrically superimposed on surfaces facing each other;
  • the disc has a diameter corresponding to the inner diameter of the casing, and a circulation hole is formed in the center, and the large-diameter disc and the small-diameter disc have a plurality of other small chambers whose small chambers face each other. They are arranged at different positions so that they communicate with each other.
  • a large-diameter disk of the flow unit is located and its communication holes communicate with the inlet and outlet of the casing. Then, when the fluid to be mixed is pressurized and flows into the internal space of the casing from the inlet, the fluid reaches the inside through the flow holes of the upstream flow guiding unit.
  • the straight disk is obstructed by the small-diameter disk. The direction changes and flows radially and unevenly from the center to the outside through the small chambers that communicate with each other. It also reaches the inner peripheral surface of the casing through the upstream flow guiding unit.
  • the fluid enters each small chamber of the downstream flow guiding unit from the flow passage formed by the inner peripheral surface of the casing and the small-diameter disk, flows into the central portion, flows again through the flow hole, and then flows downstream. After entering the flow unit, it flows through the inside of the flow guiding unit in a non-uniform order from the center to the outside while passing through the small chambers again, and is finally discharged from the outlet.
  • the outer diameter of the large-diameter disc should be close to the inner diameter of the casing.
  • the machining accuracy of the inner diameter of the casing and the outer diameter of the large-diameter disk must be made precise. Since it is necessary to arrange the length, it is difficult to precisely process the inner diameter over the entire length of the casing, and the outer diameter of the large-diameter disk is merely close to the inner diameter of the casing.
  • the supply pressure of the fluid is increased, the casing is distorted and the inner diameter is increased, and even a small portion is formed between the outer diameter of the large disk and the inner diameter of the casing. When such a gap is generated, fluid flows along the entire length of the inner peripheral surface of the casing from this gap and short-circuits to the outlet without receiving the mixing operation, resulting in a decrease in the original mixing efficiency.
  • the present invention not only simplifies the assembly of the device, but also reduces the cost by making the machining accuracy of the inner peripheral surface of the casing rougher and facilitates the machining. It is an object of the present invention to provide a static fluid mixing device which can improve mixing defects caused by short-circuit flow. Disclosure of the invention
  • the present invention has been made in view of the difficulties in precision machining based on the above-described conventional technology and the problems of reduced mixing efficiency due to short-circuit flow and the like.
  • the above-mentioned drawbacks have not been solved by providing a static fluid mixing device that is composed of a mounting seal body and a mixing element, and aims to eliminate short-circuit flow and facilitate processing. is there.
  • the stationary fluid mixing device is composed of the casing, the lid and the mixing and collecting element provided inside the casing, and the casing is formed in a cylindrical shape, and the lid having the inlet and the outlet formed at both ends thereof is detachable.
  • the mixed collective element is mounted on the ring seal and the ring seal.
  • the ring seal body is made of a mixed element, and the ring seal body forms a cylinder with an outer diameter that is inserted loosely into the casing by an elastic body, and a flange piece is integrated from both ends of the cylinder to the inside inward. Molding.
  • the mixing element is a set of two large and small discs with a large number of small open chambers arranged on the front faces facing each other, which are concentrically superimposed, and the large disc is a ring-sealed body.
  • the inner diameter of the collar piece is formed to have a large outer diameter, a flow hole is formed in the center, and the outer diameter side of the small diameter disk is a flow passage between the inner diameter of the cylindrical body.
  • the small chamber of the large-diameter disk and the small chamber of the small-diameter disk communicate with each other in the other small chambers and form another small chamber at the center of the small chamber. It is arranged in a different position so that the cross connection part of the side wall is located
  • large-diameter disks of the mix element are arranged on both sides in the ring seal body, and two small-diameter disks are arranged between them.
  • FIG. 1 is a schematic cross-sectional view of a static fluid mixing device according to the present invention
  • FIG. 2 is a schematic cross-sectional view showing a state of the static fluid mixing device before the lid is attached thereto
  • FIG. 3 is an exploded perspective view of the mixing and collecting element constituting the stationary fluid mixing device of the above
  • FIG. 4 is a front view of two disks constituting the mixing element of the mixing and collecting element of the same.
  • FIG. 5 is a perspective view of the disk
  • FIG. FIG. 7 is a diagram showing a communication arrangement state of each of the small chambers when two plates are concentrically superposed
  • FIG. 7 is a view showing a communication arrangement state in which the shapes of the small chambers in the disk are triangular.
  • FIG. 1 is a schematic cross-sectional view of a static fluid mixing device according to the present invention
  • FIG. 2 is a schematic cross-sectional view showing a state of the static fluid mixing device before the lid is attached thereto
  • FIG. 3 is an
  • FIG. 8 is a diagram showing a communication arrangement state in which the shape of the small chamber in the disk is the same as a square
  • FIG. 9 is a diagram showing a communication arrangement state in which the shape of the small chamber in the disk is the same as the octagon.
  • FIG. 10 is a schematic cross-sectional view showing another embodiment of the stationary fluid mixing device
  • FIG. 11 is a diagram showing a state of the stationary fluid mixing device before the lid is mounted in the same.
  • FIG. 12 is a perspective view of a mixing assembly element and a packing body in the same static fluid mixing device
  • FIG. 13 is a perspective view of another embodiment of the static fluid mixing device.
  • FIG. 14 is a schematic cross-sectional view showing the configuration.
  • FIG. 14 is a schematic cross-sectional view showing the configuration.
  • FIG. 15 is a schematic cross-sectional view showing a state before the lid is mounted in the device, and FIG. 15 is a perspective view of a mixing assembly element and a packing body in the same static fluid mixing device.
  • the stationary fluid mixing device 1 is configured by internally incorporating a desired number of mixing and collecting elements 5 in a cylindrical casing 4 having an inlet 2 and an outlet 3.
  • the casing 4 has flanges 6 and 6a protruding outward at the openings at both ends, respectively, and a plate formed at the center with an inlet 2 and an outlet 3 smaller than the inner diameter of the casing 4 at the end surfaces of the flanges 6 and 6a.
  • the lids 7 and 7a are detachably attached.
  • the mixed collective element 5 is to be installed in the axial direction inside the hollow of the casing 4, and the mixed collective element 5 is composed of a ring-sealed body 8 and a mix element 9,
  • the sealing material 8 is an elastomer (rubber-like rubber, silicone rubber, silicone rubber) having rubber-like elasticity, which is a material used as an elastic body used in a general sealing device.
  • a cylindrical body 10 is formed with an outer diameter that is inserted in a loose fit with a slight gap between the inner peripheral surface of the casing 4 and the inner peripheral surface of the casing 4 by using a rubber, an acrylic rubber, a thermoplastic elastomer, or the like.
  • the flange pieces 11 and 11a are integrally formed inward from both ends of the cylindrical body 10 to form a ring shape.
  • the mixing element 9 is provided inside the ring seal body 8 and has a front surface of the disk body facing each other and a side wall 12 formed at a right angle to the front surface.
  • the two sets of mixing elements 9 are superposed on the ring seal body 8.
  • the large-diameter disk 14 is formed with an outer diameter larger than the inner peripheral diameter of the flange pieces 11 and 11a in the ring seal body 8, and at least the inner surface of the flange pieces 11 and 11a is
  • the outer peripheral end surface of the disk 14 is formed to have an outer diameter capable of closely contacting the inner peripheral surface of the cylindrical body 10 of the ring seal body 8, and such a close contact portion is substantially formed.
  • a circulation hole 16 is formed in the center, while the outer diameter of the small-diameter disk 15 is The flow passage 17 is formed so as to be spaced apart from the inner peripheral surface of the inner surface.
  • the small chambers 13 and 13a of the large-diameter disk 14 and the small chambers 13 and 13a of the small-diameter disk 15 are the other small chambers 13 and 13a where the small chambers 13 and 13a are opposed to each other.
  • they are arranged in different positions so that the cross-connecting portions of the side walls 12 forming the other small chambers 13, 13a are located at the center of the small chambers 13, 13a.
  • These two sets of mixing elements 9 are provided with large-diameter disks 14 on both sides in the ring seal body 8 and two small-diameter disks 15 between them.
  • a mixed collective element 5 is provided inside the seal body 8.
  • the axial length of the cylindrical body 10 in the ring seal body 8 is described.
  • the thickness is approximately equal to the thickness in the axial direction when four large and small disks 14 and 15 of the mixing element 9 are concentrically stacked.
  • the small chambers 13, 13a Have a hexagonal shape in plan view and are arranged in a large number in a honeycomb shape.
  • the present invention is not limited to such a shape, and as shown in FIGS.
  • the shape of the small chambers 13, 13a in plan view may be triangular, square, octagonal, etc., or may be circular (not shown).
  • a plurality of mixed collective elements 5 are arranged in series in the hollow interior of the casing 4, and the lids ⁇ and 7a are mounted on the flanges 6 and 6a by tightening means such as bolts and nuts.
  • a plurality of mixed collective elements 5 are sandwiched and fixed by the lids 7 and 7a and arranged in the casing 4.
  • the inner diameter of the flange pieces 11 and 11a of the ring seal body 8 in the above-described embodiment depends on the material of the ring seal body 8 when the ring seal body 8 is elastically deformed.
  • the mixing and sealing element 8 itself is set to such a degree that the mixed collecting element 5 can be easily mounted in a state where the cut does not occur even in a part thereof. If the outer diameter is about 90 mm and the thickness in the axial direction is about 25 mm when four large and small disks 14 and 15 are concentrically stacked, the flange piece on the ring seal body 8
  • the inner diameter of 11, 11a is set to approximately 9 O mm.
  • the sealing portion on the back side of the large-diameter disk 14 is formed by the flange pieces 11 and 11 a of the ring seal body 8. If the supply pressure of the fluid is high due to the close outer peripheral side, the flange pieces 11 and 11a at such locations may be rolled up, resulting in poor sealing.
  • the space inside the flange pieces 11 and 11a of the ring seal body 8 in the mixed collective element 5 installed in the casing 4 The packing body 18 is interposed between the mixed packing element 5 and the intermediate packing 19 interposed between the mixed collecting element 5 and the end between the mixed collecting element 5 and the lids 7 and 7a.
  • the intermediate packing 19 is made of an elastic body similar to the ring seal body 8, and has a diameter larger than the inner diameter of the flange pieces 11, 11 a of the ring seal 8 and smaller than the inner diameter of the casing 4.
  • cylindrical portions 22, 22 a having a diameter slightly smaller than the inner diameter of the flange pieces 11, 11 a of the annular sealing body 8 are formed so as to protrude, and a flow hole 16 formed in a large-diameter disk 14 in the center.
  • a communication hole 23 having substantially the same diameter is formed.
  • the end packing 20 does not form one of the columnar portions 22 and 22a of the intermediate packing 19, and the intermediate packing 19 may be formed by overlapping the disc bodies 21 of the end packing 20 with each other.
  • the intermediate packing 19 and the end packing 20 are formed in a shape having a portion sandwiched by the flange pieces 11 and 11a of the mixed collecting element 5, but the shape is not limited to such a shape.
  • a disc body 21 having a diameter slightly smaller than the inner diameter of the flange pieces 11 and 11 a of the annular sealing body 8, having a communication hole 23 formed in the center thereof, is provided with an intermediate packing 19 and an end.
  • the packing may be 20.
  • the dimension L between both ends when the ring seal body 8, the intermediate packing 19, and the end packing 20 are connected concentrically in a free state with respect to the dimension L1 between both ends of the casing 4. 2 is set to a large value
  • the flange pieces 11, 11a, the intermediate packing 19, and the end packing 20 of FIG. 8 are set so as to be elastically compressed and deformed, respectively.
  • a cylindrical projection inserted loosely into openings at both ends of the casing 4 at the center of one end face side of the plate-shaped lids 7 and 7a.
  • the lids 7 and 7a are mounted, the flange pieces 11 and 11a of the annular sealing body 8 in the mixed collective element 5 are pressed in the casing 4.
  • the above dimension L2 is designed to be changed according to the projection dimension of the cylindrical projection.
  • the lids 7 and 7a By attaching the lids 7 and 7a to both ends of the casing 4 and holding and fixing the mixed collecting element 5, the upper end surfaces of the side walls 12 forming the small chambers 13 and 13a in the disks 14 and 15 are in close contact.
  • the flange pieces 11 and 11a of the ring seal body 8 are in close contact with the outer peripheral side of the back surface of the large-diameter disk 14 in an elastically compression deformed state.
  • the seal around the circulation hole 16 on the back surface of the large-diameter disk 14 is provided.
  • the intermediate packing 19 and the end packing 20 are interposed in a state of elastic compression deformation in the space up to the portion sealed by the flange pieces 11 and 11a of the body 8, so that such a portion is formed.
  • the intermediate packing 19 and the end packing 20 come into close contact with the rear surface of the large-diameter disk 14 to provide a sealing function, thereby leaking from the rear surface of the large-diameter disk 14 into the ring-mounted seal body 8.
  • Flange pieces 11, 11a Ring seal body 8 from close contact with each other 8 Outer peripheral surface and inside casing 4 The function of restricting leakage between the peripheral surfaces is further improved.
  • the intermediate packing 19 and the end packing 20 as the packing body 18 for forming the cylindrical portions 22 and 22a on the disk body 21 are attached, the intermediate packing 19 composed of only the disk body 21 and the end In the case of the packing 20, a slight gap may be formed between the outer peripheral surface of the disk body 21 and the inner peripheral surfaces of the flange pieces 11 and 11a of the ring-fitting seal body 8, and leakage from such a portion may be slight.
  • the function of restricting leakage from such a place is further improved as described above.
  • the basic mixing action is as follows: When a fluid is pressurized and flows into the internal space of the casing 4 from the inlet 2 of the stationary fluid mixing device 1, the flow of the fluid flows upstream as shown by an arrow in FIG. 1, for example. Reaching the inside from the flow hole 16 of the mixing element 9 on the side, the straight course is obstructed by the small-diameter disk 15 and the direction is changed, and from the center to the outside through the small chambers 13, 13 a communicating with each other. Uniformly and radially, collisions, dispersion, merging, meandering, and vortices combine to flow in a complex manner.
  • the fluid that has passed through the upstream mixing element 9 and reached the inner peripheral surface of the annular seal body 8 is formed by the inner peripheral surface of the annular seal body 8 and the small-diameter disk 15.
  • the fluid impinges at right angles on the bottom surface and the side wall 12 of each of the small chambers 13, 13 a,.
  • Hydrodynamics due to vortices caused by the flow of multiple chambers 13, 13 a... to one other chamber 13, 13 a... and the meandering, and the flow from multiple chambers 13, 13... to each chamber 13, 13 a... Shear, fluid-mechanical shear when passing through the orifice, which is a communication passage from each chamber 13, 13a... to other chambers 13, 13a..., shattering by impact destruction,
  • the fluid is uniformly dispersed and mixed by shearing and mechanical cavitation when passing through.
  • the lids 7, 7a having the inlet 2 and the outlet 3 formed at both ends of the cylindrical casing 4 are detachable, and the outer casing 7 is loosely inserted into the casing 4 by an elastic body.
  • a cylindrical body 10 is formed with a diameter, and flange pieces 11 and 11a are integrally formed inwardly from both ends of the cylindrical body 10 to form an annular sealing body 8. , 13a... Are arranged as a set, and two large and small disks 14 and 15 are combined as a set to form a mixed element 9 concentrically.
  • the outer diameter of the large-diameter disk 14 is a ring.
  • An outer diameter larger than the inner diameter of the flange pieces 11 and 11a of the outer seal body 8 is formed, and a flow hole 16 is formed in the center.
  • the outer diameter side of the small-diameter disk 15 is a cylindrical body.
  • a flow path 17 is formed between the inner peripheral surface of the mixing element 9 and the small chambers 13 and 13a of the large-diameter disk 14 of the mixing element 9 and the small-diameter disk 15
  • the chambers 13, 13a communicate with the other chambers 13, 13a ... which are opposite to each other, and form another chamber 13, 13a ... at the center of the chambers 13, 13a ...
  • the large-diameter disks 14 are arranged on both sides inside the ring seal body 8 so that the cross-connecting portions of the side walls 12 are located, and two small-diameter disks 15 are interposed therebetween. It is arranged to form a mixed collective element 5, and the mixed collective element 5 is arranged in the casing 4, and the flange pieces 11, 11 a of the ring seal 8 in the mixed collective element 5 are elastically compressed and deformed.
  • the casing 4 is sandwiched between the lids 7 and 7a at both ends.
  • the interior of the casing 4 can be accommodated in the state of the element 5, and the large diameter disks 14 are arranged on both sides of the mixed-collection element 5 at the time of such interior, so that the direction relative to the flow direction is affected. Since it can be housed inside the casing 4 without assembly, assembly becomes extremely simple.
  • the processing accuracy of the inner peripheral surface of the casing 4 can be reduced, so that a large number of mixed collective elements 5 are provided. It is easy to process the interior casing 4 to reduce the cost, and the outer diameter of the large-diameter disc 14 of the mixing element 9 is fixed to the inner surfaces of the flange pieces 11 and 11a of the ring seal body 8. Due to the close contact, the rattling in the radial direction at the time of mixing is prevented, and the annular sealing body 8 is formed of an elastic body, so that the fluid inside the mixing element 9 becomes complicated.
  • the ring seal body 8 functions as a cushioning material against such vibration and absorbs the vibration.
  • the small chambers 13, 13 a... of the discs 14, 15 can be prevented by mounting the lids 7, 7 a on both ends of the casing 4 and holding and fixing the mixed collecting element 5. Since the close contact state of the upper end surface of the side wall 12 to be formed can be firmly maintained, the discs 14 and 15 can be prevented from fogging, and the upper end surfaces of the side walls 12 or the outer peripheral side of the large-diameter disk 14 can be prevented. Improper mixing due to short-circuit flow caused by leakage can be improved.
  • the elastic seal is deformed when the lids 7 and 7a are mounted, and the center is formed. Since the packing body 18 in which the communication hole 23 is formed is interposed, the packing body 18 is in close contact with the back surface of the large-diameter disc 14 at such a location, and is mounted around the circulation hole 16 of the large-diameter disc 14.
  • a seal function is provided on the entire back surface extending to the inner peripheral edge of the flange piece 11, 11 a of the seal body 8, thereby leaking from the rear surface of the large-diameter disk 14 into the ring-fitting seal body 8, and preventing the flange pieces 11, 11 a from each other. Ring seal from close contact point 8 Outer peripheral surface and case By further improving the function of restricting leakage between the inner peripheral surfaces of the ring 4, poor mixing due to short-circuit flow due to such leakage can be further improved.
  • the packing body 18 having the communication hole 23 formed in the center is interposed in the elastic compression deformation state when the lids 7 and 7a are attached, the packing body 18 consisting of only the disc body 21 as described above is used.
  • the practical effect is extremely large, such as further prevention of leakage from such locations.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)

Abstract

Cette invention concerne un procédé qui permet de faciliter le montage d'un mélangeur, de traiter facilement la surface circonférentielle interne d'un boîtier de manière à en réduire le coût, d'éviter les vibrations d'un élément de mélange, et d'éliminer en outre tout mauvais mélange entraîné par un court-circuit dû à une fuite. A cette fin, un système d'éléments de mélange (5) est incorporé dans un boîtier (4), et comprend des unités d'étanchéité annulaires (8) faites d'une matière élastique ainsi que des éléments de mélange (9). Chaque unité d'étanchéité annulaire (8) consiste en un tube qui possède un diamètre permettant de l'insérer dans le boîtier (4). Des rebords orientés vers l'intérieur sont en outre formés des deux côtés du tube. L'élément de mélange (9) comprend un disque de grande taille et un disque de petite taille, lesquels comportent tous deux un certain nombre de petites chambres réparties sur leurs surfaces avant, et sont assemblés de manière concentrique. Les éléments de mélange (9) sont incorporés à l'intérieur de l'unité d'étanchéité annulaire (8).
PCT/JP1997/002174 1997-06-20 1997-06-20 Melangeur de fluide statique WO1998058730A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP97927445A EP1004351A1 (fr) 1997-06-20 1997-06-20 Melangeur de fluide statique
PCT/JP1997/002174 WO1998058730A1 (fr) 1997-06-20 1997-06-20 Melangeur de fluide statique
AU31916/97A AU730726B2 (en) 1997-06-20 1997-06-20 Static fluid mixer
CA002294445A CA2294445A1 (fr) 1997-06-20 1997-06-20 Melangeur de fluide statique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1997/002174 WO1998058730A1 (fr) 1997-06-20 1997-06-20 Melangeur de fluide statique

Publications (1)

Publication Number Publication Date
WO1998058730A1 true WO1998058730A1 (fr) 1998-12-30

Family

ID=14180729

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1997/002174 WO1998058730A1 (fr) 1997-06-20 1997-06-20 Melangeur de fluide statique

Country Status (4)

Country Link
EP (1) EP1004351A1 (fr)
AU (1) AU730726B2 (fr)
CA (1) CA2294445A1 (fr)
WO (1) WO1998058730A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20002920U1 (de) 2000-02-18 2000-04-20 Schroeder & Boos Misch Und Anl Homogenisator
DE10126267A1 (de) * 2001-05-29 2002-12-05 Buehler Ag Statischer Mischer zum Mischen viskoser Massen
US20050215954A1 (en) * 2004-03-29 2005-09-29 Mallinckrodt Inc. Apparatus and method for maintaining suspendible agents in suspension
WO2007056806A1 (fr) * 2005-11-15 2007-05-24 Technological Resources Pty. Limited Dispositif de modification de l’ecoulement d’un fluide dans une conduite
AU2006315077B2 (en) * 2005-11-15 2012-02-23 Technological Resources Pty Limited A device for modifying fluid flow through a conduit
US20220397315A1 (en) * 2017-03-20 2022-12-15 Hajime Odani Fluid stirring and liquefaction promoting apparatus disposed on pipeline of heat pump system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58133824A (ja) * 1982-07-15 1983-08-09 Meiyuu Sangyo Kk 流体混合装置
JPH0952034A (ja) * 1995-08-11 1997-02-25 Kankyo Kagaku Kogyo Kk 静止型混合装置
JPH09173807A (ja) * 1974-08-26 1997-07-08 Kankyo Kagaku Kogyo Kk 静止型流体混合装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09173807A (ja) * 1974-08-26 1997-07-08 Kankyo Kagaku Kogyo Kk 静止型流体混合装置
JPS58133824A (ja) * 1982-07-15 1983-08-09 Meiyuu Sangyo Kk 流体混合装置
JPH0952034A (ja) * 1995-08-11 1997-02-25 Kankyo Kagaku Kogyo Kk 静止型混合装置

Also Published As

Publication number Publication date
EP1004351A1 (fr) 2000-05-31
CA2294445A1 (fr) 1998-12-30
AU3191697A (en) 1999-01-04
AU730726B2 (en) 2001-03-15

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