WO2005065808A1 - スタティックミキサー - Google Patents
スタティックミキサー Download PDFInfo
- Publication number
- WO2005065808A1 WO2005065808A1 PCT/JP2003/016944 JP0316944W WO2005065808A1 WO 2005065808 A1 WO2005065808 A1 WO 2005065808A1 JP 0316944 W JP0316944 W JP 0316944W WO 2005065808 A1 WO2005065808 A1 WO 2005065808A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- static mixer
- fluid
- fluid inlet
- baffle plate
- wall
- Prior art date
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
-
- 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
- B01F2025/91—Direction of flow or arrangement of feed and discharge openings
- B01F2025/915—Reverse flow, i.e. flow changing substantially 180° in direction
Definitions
- the present invention relates to, for example, a static mixer provided in a drainage of a bathhouse and used for mixing a purifying agent into sewage.
- a pipe for supplying a purifying agent is connected to the drainage channel.
- a static mixer according to the invention of the present inventor has been disclosed in Japanese Patent Application Laid-Open No. 9-197776.
- the present invention has been made in view of such problems of the prior art, and has an object of, for example, when used in a drainage channel, such as hair and lint mixed in sewage. It is possible to mix the purifying agent with the wastewater efficiently without causing a stagnation of the flow due to the long garbage, and as a result, it is possible to contribute to reducing the amount of the purifying agent To provide a static mixer.
- the present inventors have made intensive studies to achieve the above object, and as a result, have found that the above object can be achieved by improving the above-described static mixer (Japanese Patent Application Laid-Open No. 9-297977). Heading, the present invention has been completed.
- the baffle plate Extends from the inner side wall of the mixer body in a direction orthogonal to the axis, so that the peripheral portion other than the front edge of the baffle plate is in close contact with the side wall.
- the baffle plate, the side wall of the mixer body, and the partition wall form a U-shaped partition space, and the first mixing and stirring of the fluid is performed in this partition space.
- a fluid channel width is secured between the end of the partition wall and the baffle plate.
- a partition space having a U-shaped cross section is formed by the other end wall, the side wall, and the partition wall inside the mixer main body. In this partition space The mixture is further mixed and stirred.
- a cylindrical mixer main body having a fluid inlet at one end wall and a fluid outlet at the other end wall is provided.
- a baffle plate is provided inside the mixer body so as to extend from a side wall of the mixer body in a direction perpendicular to the axis to block between the fluid inlet and the fluid outlet.
- a baffle-side partition wall extending toward the inlet side and having both ends in close contact with the side wall is provided, and the other end wall side portion of the inside of the mixer body is directed from the other end wall toward the fluid inlet side.
- the end wall side partition wall having both ends in close contact with the side wall is provided.
- Static mixer characterized by setting up to the edge There is.
- the first mixing and agitation of the fluid is performed in the partition space on the fluid inlet side, and then in the flow path between the partition space and the partition space on the fluid outlet side. Further mixing and stirring are performed, and further mixing and stirring are performed in the partition space on the fluid outlet side.
- the fluid inflow port and the fluid outflow port are brought close to the side wall where the base end of the baffle plate is located, It is characterized in that the width of the flow path between the front end and the side wall facing the front end is narrowed.
- the base end of the baffle refers to the center of a peripheral portion other than the distal end edge of the baffle or its vicinity.
- a recess is provided on the surface of the baffle plate on the fluid inlet side.
- the recess is formed by a plurality of small holes (having a semi-spherical cross section). Or rectangular or triangular small holes) Or at least one spiral groove, or a mixture of a plurality of small holes and at least one spiral groove.
- the term "spiral-shaped groove” refers to not only a groove formed on a surface formed into a linear shape but also a linear shape formed by attaching a plate-shaped member to a surface.
- the “winding groove” is not limited to the one formed continuously, but includes the one formed intermittently.
- a baffle plate is provided with a convex portion on a surface on a fluid inlet side, and in this case, a plurality of convex portions are provided. Projections, at least one spiral ridge, or a mixture of a plurality of projections and at least one spiral ridge.
- projection refers to a projection formed by attaching a hemispherical or triangular pyramid-shaped lump or the like to a surface.
- the mixer main body is cylindrical, and its cross-sectional shape is not particularly limited, and a cross-sectional shape is appropriately adopted.
- a circular shape, an elliptical shape, a semicircle and an arc are used. Combined shapes, rectangular shapes, and the like.
- the size of the baffle extending from the side wall of the mixer body is large enough to block the flow (fluid flow) from the fluid inlet to the fluid outlet.
- the size is not particularly limited as long as it is large enough to prevent the fluid from directly flowing to the fluid outlet.
- the shape of the top edge of the baffle is not particularly limited, but may be straight, arc-shaped (the length of the circumference divided into two at two points on the circumference is smaller than half of the entire circumference)
- a circular shape, a triangular shape, a polygonal shape, and the like are preferable.
- the partition wall provided at the leading edge of the baffle plate may be shaped according to the leading edge shape.
- the shape of the partition wall provided at the portion on the fluid outlet side is not particularly limited, and may be, for example, a flat plate, a curved plate, a V-shape, a polygonal plate, or the like.
- the length of the partition wall provided at the leading edge of the baffle plate and / or at the portion on the fluid outlet side is not particularly limited, and may be appropriately set so as to generate turbulence.
- the number of baffles is not limited. When a plurality of baffles are arranged, adjacent baffles are alternately extended from opposing side walls of the mixer body, or the extension direction is shifted by a predetermined angle, for example, 90 °. Is desirable. Further, in the static mixer of the present invention, it is possible to provide the above-mentioned concave portion and convex portion on the inner surface of the side wall and the end wall of the mixer main body as necessary.
- the distance (flow path width) between the tip of the partition wall forming the partition space and one end wall inside the mixer body, the tip of the baffle plate and the mixer body, and the like can be appropriately set according to the properties and use of the fluid.
- static mixer of the present invention for example, in a static mixer in which a partition wall is formed at a leading edge of a baffle plate to form a partition space, fluid and purifying chemicals such as exhaust gas and drainage flowing into the mixer main body are separated. Since it flows into the cutting space and collides with the inner surface of the baffle plate, a violent turbulent flow occurs near the baffle plate in the partition space.
- the static mixer of the present invention since the flow of the fluid is not always divided or divided by the components inside the mixer main body, long flows such as hair and lint that are riding on the flow of the fluid can be obtained. No garbage is trapped across the components within the mixer body.
- the fluid inlet is moved near the side wall where the base end of the baffle plate is located, and the fluid inlet is located between the tip of the baffle plate and the side wall facing the tip.
- the static mixer as a more preferable example, since a concave portion or a convex portion is provided on the surface on the fluid inlet side of the strip, the fluid and the convex portion are provided in the concave portion or the convex portion.
- the purifying agent collides, a rotational flow or a turbulent flow is generated for each of the concavities and convexities, and the fluid and the purifying agent are mixed and agitated. And the purifying agent can be mixed and stirred very efficiently.
- FIG. 1 is a cross-sectional explanatory view (a) showing an embodiment of a static mixer according to the present invention, a front explanatory view (b) from the fluid inlet side, and an A-A line position in FIG. 1 (a).
- C Fig. 2 shows the baffle plate (A) to (c)
- FIG. 3 is an explanatory diagram of piping when the static mixer of FIG. 1 is used for purifying wastewater
- FIG. 4 is another diagram of the static mixer according to the present invention.
- FIG. 5 is a cross-sectional explanatory view showing still another embodiment of the static mixer according to the present invention.
- FIG. 1 to 3 show one embodiment of a static mixer according to the present invention.
- a static mixer according to the present invention is installed in a drainage channel to mix a purifying agent into wastewater.
- this static mixer 1 is a cylindrical mixer having a fluid inlet 12 on one end wall 11 and a fluid outlet 14 on the other end wall 13.
- a main body 10 is provided, and an inlet pipe 3 having a flange 2 for connecting a pipe is connected to a fluid inlet 12 of the mixer body 10 and a pipe is connected to a fluid outlet 14 as well.
- An outflow pipe 5 having a flange 4 for connection is connected.
- the mixer main body 10 includes a main pipe part 15 having a substantially semicircular cross section and a sub pipe part 16 having a substantially circular arc cross section.
- a baffle plate extending from the side wall 15a of the main pipe portion 15 in a direction perpendicular to the axis and blocking the fluid inlet 12 and the fluid outlet 14 is provided.
- the baffle plate 1 has a straight leading edge, which extends toward the fluid inlet 12 and has both ends on the side wall 15 a inside the main pipe portion 15.
- a partition wall 18 closely attached thereto is provided, and the baffle plate 17, a side wall 15 a inside the main pipe portion 15 and the partition wall 18 forms a partition space S having a U-shaped cross section.
- An appropriate flow passage width is secured between the end of the partition wall 18 and one end wall 11, and the end of the partition wall 18 and the sub-pipe section 16 opposed thereto are provided.
- the flow path of the fluid is secured by the space surrounded by the side wall 16a.
- the fluid inlet 12 and the fluid outlet 14 are moved closer to the side wall 15 a inside the main pipe portion 15 where the base end of the baffle plate 17 is located, and the curvature of the sub pipe portion 16 is reduced.
- the width W of the flow passage between the tip of the baffle plate 17 and the side wall 16a inside the sub-pipe portion 16 is narrowed, whereby the gap of the partition space S is reduced.
- the area of 17 is not so large as compared with the opening area of the fluid inlet 12.
- the baffle plate 17 has a small hole 17a (having a rectangular cross section) on the surface on the side of the fluid inlet 12 as shown in FIG. 2 (a). And a triangular small hole 17a) may be provided. By colliding drainage and purifying agent with these plural small holes 17a, turbulence is generated for each small hole 17a. I have to.
- the recess provided on the surface of the baffle plate 17 on the side of the fluid inlet 12 is not limited to the small hole 17a, and the recess may be formed as at least one spiral groove. As shown in (b), a plurality of small holes 17a and three spiral grooves 17b are mixed, or as shown in Fig. 2 (c), a plurality of small holes 17a and one spiral groove 17c can be mixed.
- the spiral grooves 17b and 17c may be formed in a linear shape by forming a groove on the surface on the fluid inlet 12 side, or a plate may be formed on the surface on the fluid inlet 12 side.
- the spiral members 17b and 17c may be formed in a linear shape by attaching a spiral-shaped member. Not included, including those formed intermittently.
- the static mixer 1 When mixing the purifying agent into the wastewater using the static mixer 1 described above, as shown in FIG. 3, the static mixer 1 is arranged on the drainage channel 50, and the static mixer 1
- the purification agent supply path 52 from the purification agent supply tank 51 is connected to the upstream side of the upstream side, and the purification agent (NaC 1 O; hypochlorite) from the purification agent supply tank 51 is connected by the static mixer 1-1.
- NaC 1 O hypochlorite
- wastewater are mixed and reacted to purify the wastewater.
- reference numeral 53 in FIG. 3 denotes a coarse filter, but a considerable amount of long garbage such as hair and lint passes through the coarse flow of the filter 53 in the flow of drainage. .
- This violent turbulence flows along the side wall 15a inside the main pipe part 15 as shown by the arrow P2 in FIG. 2 (a), and as shown by the arrow P3 in FIG. 1 (a). Overcoming the partition wall 18 and overflowing from the partition space S. Then, at the stage where the intense turbulence flows over the partition wall 18 and tries to overflow from the partition space S, it violently rubs against the sequentially flowing wastewater and purifying agent (flow of arrow P1). And the flow of arrows P2 and P3 rub violently), which results in extremely efficient mixing and agitation of the wastewater and the purifying agent, that is, the amount of the purifying agent can be reduced. It becomes.
- the fluid inlet 12 is moved near the side wall 15 a inside the main pipe portion 15 where the base end of the baffle plate 17 is located, and the sub-tube portion is also moved.
- the width W of the flow path between the tip of the strip 17 and the side wall 16 a inside the sub-pipe section 16 is reduced. That is, since the area of the baffle 17 in the partition space S where the drainage and the purifying agent are mixed first is not so large as compared with the opening area of the fluid inlet 12, the velocity of the entire fluid is reduced. Therefore, the mixing and stirring of the wastewater and the purifying agent can be more efficiently performed.
- FIG. 4 shows another embodiment of the static mixer according to the present invention.
- the static mixer 1A of this embodiment is different from the static mixer of the first embodiment.
- the difference from 1 is that the other end wall 13 inside the mixer body 20 extends to the fluid inlet 12 side
- a partition space Sa having a U-shaped cross section is formed, and the other configuration is the same as that of the static mixer 1 of the previous embodiment.
- An appropriate channel width is secured between the tip of the partition wall 28 and the baffle plate 17.
- This large turbulence flows along the side wall 15 a inside the main pipe portion 15, crosses the baffle 17, and flows out to the other end wall 13 side. In the stage before going over 7 and trying to flow out, it violently rubs against the incoming wastewater and purifier.
- the mixed water with the drainage and the purifying agent that has passed over the baffle plate 17 enters the partition space Sa through the flow path narrowed by the partition wall 28, so that the mixing and agitation also occur at this stage. Therefore, the mixing and stirring of the wastewater and the purifying agent can be performed very efficiently, that is, the amount of the purifying agent can be reduced.
- FIG. 5 shows still another embodiment of the static mixer according to the present invention.
- FIG. B differs from the static mixer 1 of the previous embodiment in that the baffle plate 17 inside the mixer body 30 extends to the fluid inlet 12 side and the mixer ends
- a baffle plate-side partition wall 38 a is provided in close contact with the inner side wall 15 a of the main pipe portion 15 of the main body 30, and the baffle plate 17, the side wall 15 a and the baffle plate-side partition wall 3 are provided.
- 8a a partition space S1 having a U-shaped cross section is formed, and the other end wall 13 inside the mixer main body 30 extends toward the fluid inlet 12 side, and both ends are extended.
- An end wall-side partition wall 38 b is provided in close contact with the side wall 15 a, and a position in a direction perpendicular to the axis of the end wall-side partition wall 38 b is set to a fluid outlet from the tip edge of the baffle plate 17. 14 to the edge of the leading edge side, and furthermore, the other end wall 13, the side wall 15 a and the end wall side partition wall 38 b have a cross section. There in that to form a shaped partition space S 2, the other structure is the same as the static mixer 1 of the previous embodiment.
- the static mixer 1B has a configuration in which the static mixers 1 and 1A in the above-described embodiment are combined, and therefore, the static mixer 1B is mixed in the sewage.
- the wastewater and the purifying agent can be more efficiently mixed and stirred.
- the amount of the purifying agent can be further reduced.
- the static mixer of the present invention has the above-described configuration.
- a purifying agent when used in a drainage channel, a purifying agent can be efficiently mixed with wastewater, and as a result, It is possible to contribute to the reduction of the amount of the purifying agent, and in addition, it is possible to avoid the stagnation of the flow caused by long-sized waste such as hair and lint mixed in the sewage. This is a very good effect.
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/016944 WO2005065808A1 (ja) | 2003-12-26 | 2003-12-26 | スタティックミキサー |
AU2003292650A AU2003292650A1 (en) | 2003-12-26 | 2003-12-26 | Static mixer |
JP2005513100A JPWO2005065808A1 (ja) | 2003-12-26 | 2003-12-26 | スタティックミキサー |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/016944 WO2005065808A1 (ja) | 2003-12-26 | 2003-12-26 | スタティックミキサー |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005065808A1 true WO2005065808A1 (ja) | 2005-07-21 |
Family
ID=34746772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/016944 WO2005065808A1 (ja) | 2003-12-26 | 2003-12-26 | スタティックミキサー |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPWO2005065808A1 (ja) |
AU (1) | AU2003292650A1 (ja) |
WO (1) | WO2005065808A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4815852U (ja) * | 1971-07-03 | 1973-02-22 | ||
JPS5437074A (en) * | 1977-08-29 | 1979-03-19 | Nobuko Asayama | Closed serpentine reactor |
US4712921A (en) * | 1986-10-24 | 1987-12-15 | Hikoroku Sugiura | Mixer for continuously mixing fluids |
JPH0177834U (ja) * | 1987-11-06 | 1989-05-25 | ||
JP3040942U (ja) * | 1997-02-25 | 1997-09-05 | 旭有機材工業株式会社 | プラスチック製スタティックミキサー |
US5779361A (en) * | 1996-05-14 | 1998-07-14 | Shinyou Technologies, Inc. | Static mixer |
EP0956906A2 (en) * | 1998-03-25 | 1999-11-17 | Shinyou Technolozies Inc. | Fluid mixing-jetting apparatus, fluid mixer and snowmaker |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03123524U (ja) * | 1990-03-26 | 1991-12-16 | ||
JPH05293348A (ja) * | 1992-01-29 | 1993-11-09 | Nittec Co Ltd | スタチックミキサー |
JP2923402B2 (ja) * | 1992-11-02 | 1999-07-26 | 昇 阪野 | 静止型混合器 |
ATE198839T1 (de) * | 1995-06-21 | 2001-02-15 | Sulzer Chemtech Ag | In einem rohr angeordneter mischer |
DE59605822D1 (de) * | 1996-07-05 | 2000-10-05 | Sulzer Chemtech Ag Winterthur | Statischer Mischer |
JP4102474B2 (ja) * | 1998-03-25 | 2008-06-18 | 彦六 杉浦 | 混合噴射装置 |
JP4251695B2 (ja) * | 1998-11-24 | 2009-04-08 | 彦六 杉浦 | 複数流体混合装置 |
CA2343561C (en) * | 2000-05-08 | 2004-11-30 | Sulzer Chemtech Ag | Mixing element for a flange transition in a pipeline |
-
2003
- 2003-12-26 JP JP2005513100A patent/JPWO2005065808A1/ja active Pending
- 2003-12-26 AU AU2003292650A patent/AU2003292650A1/en not_active Abandoned
- 2003-12-26 WO PCT/JP2003/016944 patent/WO2005065808A1/ja active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4815852U (ja) * | 1971-07-03 | 1973-02-22 | ||
JPS5437074A (en) * | 1977-08-29 | 1979-03-19 | Nobuko Asayama | Closed serpentine reactor |
US4712921A (en) * | 1986-10-24 | 1987-12-15 | Hikoroku Sugiura | Mixer for continuously mixing fluids |
JPH0177834U (ja) * | 1987-11-06 | 1989-05-25 | ||
US5779361A (en) * | 1996-05-14 | 1998-07-14 | Shinyou Technologies, Inc. | Static mixer |
JP3040942U (ja) * | 1997-02-25 | 1997-09-05 | 旭有機材工業株式会社 | プラスチック製スタティックミキサー |
EP0956906A2 (en) * | 1998-03-25 | 1999-11-17 | Shinyou Technolozies Inc. | Fluid mixing-jetting apparatus, fluid mixer and snowmaker |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005065808A1 (ja) | 2007-07-26 |
AU2003292650A1 (en) | 2005-08-12 |
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