CN105664749B - Triangle tube wall vane static mixer - Google Patents
Triangle tube wall vane static mixer Download PDFInfo
- Publication number
- CN105664749B CN105664749B CN201610136778.4A CN201610136778A CN105664749B CN 105664749 B CN105664749 B CN 105664749B CN 201610136778 A CN201610136778 A CN 201610136778A CN 105664749 B CN105664749 B CN 105664749B
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- Prior art keywords
- tube wall
- static mixer
- triangle tube
- blade
- cylinder
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- Legal status (The legal status 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 status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
Abstract
The invention discloses a kind of triangle tube wall vane static mixer, including unit joint cylinder and the blade being fixedly mounted on cylinder inboard wall, described blade is to be cut, by cylinder, the triangle tube wall blade formed, three triangle tube wall blades be 120 ° uniform on inwall, three approximate region of the most not exclusively cutout will be separated into for fluid foods.Good mixing effect of the present invention, easily manufacture, energy-conservation, fiber-like fluid foods the most easy to hang and be easy to clean.
Description
Technical field
The present invention relates to a kind of static mixer, be specifically related to a kind of triangle tube wall vane static mixer.
Background technology
Background: in many commercial production such as the procedure production using fluid foods as processing object, waste water process and phase
In field, pass, in addition to main fluid material, it is necessary to add adjuvant and other chemicals.Along with every profession and trade product variety and quality
Improving constantly and the development of science and technology of performance requirement, various adjuncts are more and more in quantity or kind.
Therefore it is necessary to utilize certain mixing arrangement or equipment to realize the mixing of the multiphase flow such as liquid-liquid, gas one liquid.Commercial production utilizes rapids
Stream mixing mechanism realizes the equipment of these multiphase flows mixing, and predominantly organic tool stirring mixing reactor, jet mixer, injection mix
Clutch, impinging streams mixer, static mixer, dynamic mixer etc..Different from traditional agitator device, in static mixer
Although there is no moving component, but rely on the initial kinetic energy of the momentum source offers such as pump to make plan fluid-mixing pass sequentially through and there is special knot
The static mixer of structure, the dispersion mixing and the distribution that realize different scale fluid in the widest reynolds number range well are mixed
Close.
The pressure oscillation characteristic of static mixer, heat-transfer character, chaotic mixing characteristic and flow behavior, and viscous at strengthening height
Distributed rendering between degree fluid and dispersion mixing aspect show the performance of brilliance, thus have obtained paying close attention to widely, and greatly
The production process of continuous, the flow media that ancestor has chemical industry characteristic is used widely.
But, on the one hand, due to industry-by-industry or specific to certain industry, because of its production technology, the fluid of processing
Material characteristic (such as molecular density characteristic, grey density characteristics, viscosity property etc.) is different, and the requirement to static mixer is different, and have is quiet
Although state mixer structure is capable of the full and uniform mixing of material, but affects or destroy original fluid foods characteristic；Separately
On the one hand, except realize uniformly mixing and protection by mixed material characteristic in addition to, it is also contemplated that the saving energy and reduce the cost of static mixer itself,
It is prone to the characteristic such as volume is little of fabrication and processing, simple in construction, unit mixed.
Existing common static blender or mixing efficiency are undesirable, or energy consumption is high, hanging, or easily block, are difficult to
Clean.So, constantly research and development be more suitable for material special requirement purposes, more conform to fluid flow state, efficient, low
Consumption, simple and compact for structure, be not easily blocked, be readily cleaned, be prone to processing and fabricating, the convenient static mixer of installation and repairing is people
Expected.
Purposes: static mixer not only has simple in construction, the advantage that running cost is low, and any Reynolds can be suitable for
The fluid of viscosity several, any, can meet the requirement of different mixing intensity, mixed effect simultaneously by changing hybrid element number
Good, thus be widely used in that liquid-liquid, liquid one air-liquid one be solid, the mixing of gas one gas, extract, the technical process such as reaction.Papermaking,
The mixing in field such as petrochemical industry, medicine, plastics, oils and fats, synthetic fibers, rubber, cosmetics, extraction, heat exchange, dispersion, molten
The technical processs such as solution can be used.
The usual structure of static mixer
As Typical Representative Kenics static mixer (KSM) of static mixer, it is also called standard static mixing
Device, its hybrid element is the left-and-right spiral blade (see Fig. 1) of distortion 180 °.When the material stream that need to mix enters along pipeline
During Kenics static mixer, material stream, under the effect of himself kinetic energy, has passed sequentially through the left and right screw element of many groups alternately
The specific channel of arrangement, now material stream is under the effect of " segmentation one shift-converges again " 3 key elements being forced to be repeated
Realization is sufficiently mixed；Particularly when turbulent flow, in addition to " segmentation one displacement one converges again " 3 key elements, fluid is at mobile section
Direction produce violent secondary vortex flow, thus cause the strongest shear action in fluid so that the discreet portions of fluid enters one
Walk divided, and then realize strengthening mixing.
Up to the present, including Kenics, SMX, SMV, SMXL, SH etc. including typical static mixer, existing up to a hundred
Plant static mixer product and many patents both domestic and external, but according to authority's list of references and patent of invention inquiry, structure type
For KSM type, low-pressure type, SMV type, SMK type, SMXL type, ISG type, HEV type, IS50 type, IS45 type, CT type, SMR type and screw rod
Rotating.
The technical problem underlying of existing static mixer and shortcoming:
In terms of the most current occurred various static mixers, substantially can realize allowing various fluid reach mixing
Purpose.But, as static mixer, in addition to ensuring that outside the uniformly mixing of the various fluid mechanics being mixed, it is necessary to consider
The impact before and after mixing brought material itself, secondly considers the energy consumption (pressure drop) of mixed process, furthermore considers the system of element
Process, combine after the factor such as volume and cost.
Wherein KSM, low pressure, HEV, IS45, CT five hybrid element structures of type are relatively easy, therefore, and mixed process
Pressure drop is smaller；It addition, be not easily blocked in mixed process for higher concentration, relatively high viscosity or fiber trait fluid；And make
Relatively easy.The hybrid element structure of other several (SMV, SMK, SMXL, ISG, IS50, SMR, screw rod are rotating) type is the most multiple
Miscellaneous, although good mixing effect, but mixed process pressure drop is big, and higher concentration, relatively high viscosity or fiber trait fluid are being mixed
Conjunction process easily blocks；Wherein IS50 type spiral-shaped structure, processed complex, easy blocking etc. become apparent from.
The common deficiency that above ten type static mixers have is: one is, various hybrid element object paper pulp fibers
Such fluid, easily hanging on the pulp fiber inflow direction of element, or screw rod rotation type element not hanging but generation are blocked up
Plug, during for higher concentration situation, both of these case becomes apparent from, thus makes troubles；Two are, various hybrid elements are all needs
Special processing (not being the static mixer tube wall itself that has drawn from), processes relative complex；Three are, move ahead process at fluid, except
Outside segmentation (shunting), interflow, the axially adjacent set of pieces anglec of rotation is substantially stationary (if KSM, low pressure, IS45, CT are 90 °；Remaining is not
There is the anglec of rotation).
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of triangle tube wall vane type
Static mixer.
Technical scheme: for solving above-mentioned technical problem, the triangle tube wall vane static mixer that the present invention provides, bag
Including unit joint cylinder and be fixedly mounted on the blade of cylinder inboard wall, described blade is to be cut, by cylinder, the triangle tube wall leaf formed
Sheet, three triangle tube wall blades be 120 ° uniform on inwall, the most not exclusively cutout will be separated into for fluid foods
Three approximate region.
Specifically, described triangle tube wall blade has base, and the vertical edges of described base vertical, and connects base
With the arc limit of vertical edges end, the axial line of described vertical edges and cut cylinder at grade, described arc limit and cylinder
Inwall welds.Described arc limit is welded with cylinder inboard wall.During cutting, base is from one section of circular arc on body end surface circle, vertically
Limit and arc limit are each along the radial cuts of cylinder, and the facet (vertical, cambered surface) of formation is all vertical with the wall of cut cylinder
Directly, the projection of the triangle tube wall blade that cutting is formed is triangle, and launching backarc limit is a circular arc, and this circular arc just may be used
To fit with cylinder inboard wall, convenient welding.
Specifically, the arc length on described arc limit is that the cylinder week circular arc of 0.083～0.167 times is long；
Specifically, the cutting angle α of described triangle tube wall blade is 15 °～30 °.
Specifically, the tip initial welding contact connection angle beta of described triangle tube wall blade is 0 °.
Specifically, described unit joint arranged in series, neighboring unit cells saves the oppositely oriented of blade.
Specifically, described unit joint arranged in series, oppositely oriented every two basic-unit section blades.
During use, while fluid foods moves axially, by the guide functions of blade, shape in every piece of leaf area
Become to cylinder inwall direction partially rotate to, move axially with to cylinder inwall direction partially rotate to combination, make three regions streams
Body forms minor spiral eddy current and moves ahead；When fluid is after blade base is left in left side, and each region stream starts to converge, and original each
Inertia flow effect under make bulk flow produce rotation around axle center to move ahead flowing.
So, go successively in next blender basic-unit section, continue and next gradually separate, rotate, converge
Cycle.According to design needs, neighboring unit cells saves, or every two basic-unit sections, the rotation direction of blade is modified to reversely,
Be conducive to mixing.
Beneficial effect: the invention and existing various static mixer ratios, main advantage and effect:
1, with the same class vane static mixer ratio such as KSM, low pressure, ISG, IS45, CT, on the one hand materials are directly taken from
In source material same with shell, materials are simple；On the other hand, directly it is soldered to inside pipe wall after cutting, processing, blade system need not be distorted
Make simple；And SMV, SMK, SMXL, IS50, screw rod rotation type static mixer hybrid element make and install time also than the present invention
Create complexity.
2, in addition to HEV, compared with other all kinds, owing to the blade of the invention is triangle, therefore to entrance
Fluid foods is " gradually separating ", and fluid so will not be made to be subject to " unexpected collision type " to separate；It addition, material direction of advance
An angle is not had with blade face, but tangential contact, corner is gradually increased, resistance is little, thus saves energy consumption；
3, in addition to HEV, compared with other all kinds, the triangular vane of the invention is being to lean on to separating fluid
In inclined plane 3 gradual, so not resulting in hanging as pulp fiber one class material (other type all can easily hanging)；Also phase
For to, do not easily cause as the degree of polymerization (viscosity) decline because of overweight cutting of polyacrylamide family macromolecule one class fluid.
4, will not be as SMV, SMK, SMXL, IS50, SMR, CT, screw spiral type, for threadiness fluid or height
Dense, High-Sr granite the most easily blocks；
5, simple, in addition to HEV, all than other all kinds static mixer easy cleaning because of blade construction.
Although 6, HEV type static mixer is as the invention, have simple in construction, energy-conservation, will not hanging, will not
Blocking, but it does not separate fluid function, only produces the little rotating flow of periphery, and on the whole, mixed effect compares the present invention
Creation is far short of what is expected.
Except invention described above solves the technical problem that, constitutes the technical characteristic of technical scheme and by these skills
Outside the advantage that the technical characteristic of art scheme is brought, the triangle tube wall vane static mixer of the present invention can solve its
The advantage that the other technologies feature comprised in he technical problem, technical scheme and these technical characteristics bring, will be in conjunction with accompanying drawing
It is described in more detail.
Accompanying drawing explanation
Fig. 1 is structure composition and the operation principle schematic diagram of existing Kenics static mixer (KSM)；
Fig. 2 is the perspective view of the triangle tube wall vane static mixer basic-unit section of the present invention；
Fig. 3 is the axonometric drawing of Fig. 2；
Fig. 4 is the making figure of blade；
Fig. 5 is the structural representation of Fig. 4 Leaf；
Fig. 6 is the C direction view of Fig. 5；
Fig. 7 is the D direction view of Fig. 5；
Fig. 8 is the A direction view of Fig. 9；
Fig. 9 is triangle tube wall vane static mixer basic-unit section plan view；
Figure 10 is the B direction view of Fig. 9；
Figure 11 is static mixer basic-unit section mixing principle；
Figure 12 is the structural representation of blade and weld connection angle, tube wall face；
Figure 13 is the A direction view of Figure 12；
Figure 14 is the structural representation being welded with three vanelets at three blades in the middle of two-by-two；
Figure 15 is the structural representation of the embodiment of the present invention 3；
Detailed description of the invention
Embodiment 1:
From Fig. 2 and Fig. 3, basic-unit section is by a pitch circle pipe and the three triangle tube wall blades being welded on its inwall
Composition.In figure, bold portion is blade, and dotted line or chain-dotted line part are pipe；Right figure is that (right-to-left is seen) axle of left figure is surveyed
Figure.
The making of blade is shown in that Fig. 4, each blade draw materials and is taken from external pipe；During making, take one section of pipe (according to leaf
Sheet designed size, determines pipe height), tube wall forms vertical 3 according to dotted line cutting；Simultaneously according to chain-dotted line on tube wall
Cutting forms cambered surface 4 (cambered surface 4 keeps vertical with tube wall surface everywhere), keeps square with the axis formation bottom surface 5, and the length of bottom surface depends on
Blade angle and size in design；Vertical 3 is at a right angle with bottom surface 5.The blade being fabricated to is shown in Fig. 5, Fig. 6 and Fig. 7, have with
Curved surfaces 2.When welding, cambered surface 4 being welded with round tube inner wall laminating, the right angle portions of blade is stretched and is suspended in pipe；Three leaves
Sheet be 120 ° uniform on inwall.
During use, the flow direction of fluid foods such as Fig. 8, shown in Fig. 9, Figure 10 and Figure 11:
The fluid foods the being mixed right-hand member from the most advanced and sophisticated side of blade enters, and flows to the left, from a left side for unit joint cylinder 1
Side is flowed out.Tip is one end contrary with bottom surface, bottom surface 5, and cambered surface 4 is welded with cylinder 1.
In fig. 11, bold portion is blade, and dotted line or chain-dotted line part are pipe outline portion, and the double dotted line of drawing of arrow is
The fluid foods basic flow trace between three leaf areas, mixed fluid foods enters blender elementary cell from right side
After in joint, gradually separated by three blades (effect of figure Leaf vertical 3) and be split into three of the most not exclusively cutout substantially
Region；Owing to arc blade face 2 and the deflection of blade turn to installation, while fluid foods moves axially, led by blade
Stream effect, formed in every piece of leaf area to cylinder inwall direction partially rotate to, " moving axially " with " to cylinder inwall direction
Partially rotate to " combination, make three regional fluids form minor spiral eddy current and move ahead；When fluid is after blade bottom surface 5 is left in left side,
Each region stream starts to converge, and makes bulk flow produce rotation around axle center under original respective inertia flow effect to move ahead flowing.
So, go successively in next blender basic-unit section, continue the cycle of the next one " gradually separate, rotate, converge ".Root
Needing according to design, neighboring unit cells saves, or every two basic-unit sections, the rotation direction of blade is modified to reversely, is conducive to
Mixing.
Embodiment 2:
In engineering design and specific implementation process, following aspect to be held:
(1), based on the invention static mixer in use basic-unit section, each (or each two) unit saves
Two ends are machined with flange, rely on Flange joint, adjacent cells joint or adjacent mixed cell between each (or often group) mixed cell
Blade rotation direction can change over reverse interleaved.
(2) according to characteristic and the concentration of the fluid principal goods material that need to mix, and outer mixed material variety is how many and mixed volume, comes
Determine the size of blade." length of vertical 3 and the arc length of cambered surface 5 " in big little finger of toe Fig. 5 of blade, both length it
Than determining " length in face 4 " and " angle that face 4 forms " (add at leaf production and be also referred to as cutting angle α man-hour) with face 3.Its
In " cambered surface 5 " arc length preferred range be that the mixing pitch circle cylinder week circular arc of 0.083～0.167 times is long；Cutting angle α 15 °～30 ° it
Between.
(3) when making cut-off blade, keep facet vertical with between tube wall face, after cutting into blade, ensure each and each
Between face, the corner angle of composition smooth；Three blades are equidistantly uniformly distributed alternate 120 ° of inside pipe wall；After blade welds with tube wall face, protect
Hold sliding clean, stingless, angle class point scar.It is 0 ° that vane tip " initiates and weld contact connection angle beta " (see Figure 12 and Figure 13) with tube wall；Leaf
Sheet tip and cylinder inwall point S, bottom surface contact point is E point, γ angle (see Figure 13) the according to circumstances alterable that S point is formed with E point, but
γ≤60°。
(4) if mixing pitch circle cylinder is relatively large in diameter, or in unit saves, wish that convection cell thing separates with degree of rotation more
Promote further, then three blades at inside pipe wall can be welded with three vanelets in the middle of two-by-two (vertical can be shorter, so again
During welding, stagger at end face in bottom surface and big blade face), see Figure 14.
Embodiment 3
Experimental provision: in order to be determined by experiment the invention static mixer effect, establish the experiment such as Figure 15
Device.In figure, 4 is tested static mixer unit, and every kind of blender uses 2 unit joints.1 is stainless steel water tank；2 is small-sized
Middle underflow pump；3 is effusion meter；5 is valve；6 is Pressure gauge.Main fluid foods of measuring is through the pressure drop of mixed cell, flow velocity
Change and distribution and hanging situation.Tested static mixer unit uses two kinds, a kind of for 2 unit of the invention blender
Joint；Another is standard type 2 groups of mixed cell elements of static mixer Kenics static mixer.Material is organic glass
Glass, customization processing.
Experiment purpose: make the pressure of two kinds of blenders, change in flow and distribution and the contrast of hanging situation three aspect.
Experiment condition: material uses the needlebush bleaching slurry pulled an oar.Measure respectively clear water (0%), 0.2%,
0.5%, 1%, 1.5%, 2%, 2.5%, the fluid foods under the conditions of 3% 8 kind through two kinds of mixer units pressure drop,
Change in flow distribution and hanging situation.Pulp pump lift is 32m.
Experimental technique: the pressure gauge reading measuring dependence mixer unit both sides of pressure drop；The mensuration of velocity flow profile is adopted
With high-speed camera, various situations all add the coloured fibre of trace；The mensuration of hanging situation uses after dismantling after flowing through 20min
Hold up observation analysis again.
Experimental effect analysis:
The pressure drop contrast of (1) two kind of blender
Clear water (0%) and 0.2%, 0.5% slurry concentration time, two kinds of mixer pressure fall is basically identical；Concentration exceedes
When 0.5%, pressure drop gradually significantly increases (rising, it is judged that paper pulp manifests non-Newton fluid characteristic) in positive exponent, when reaching 3%
Time, the invention blender is lower by 26% than standard type.
The change in flow of (2) two kinds of blenders and profiles versus
When clear water (0%) and 0.2% slurry concentration, standard type blender change in flow is fast and local turbulence (little eddy current)
Scope is big；And the invention blender change in flow transitional face is to steadily.When concentration is more than 0.5%, standard type blender speed
Change is gradually obviously reduced, and local turbulence (little eddy current) scope substantially restrains, but makes stream of slurry in blade straight Ban Kou porch
Dynamic being obstructed significantly increases；The invention blender change in flow transitional face to steadily, the drag minimization of pulp flow, and making
Stream of slurry turning effort is more preferable.
The hanging situation contrast of (3) two kinds of blenders
When clear water (0%) and 0.2% slurry concentration, standard type blender not hanging substantially；And the invention blender
Not hanging.When concentration is more than 0.5%, standard type blender hanging the most substantially increases, and starches that dense to reach 3% hanging fairly obvious；
There is not hanging in the invention.
The mixing efficiency contrast of (4) two kinds of blenders
The conclusion drawn from the experimental provision additionally made: mixing efficiency (really) contrast of two kinds of blenders is the most suitable.
Above in association with accompanying drawing, embodiments of the present invention are described in detail, but the present invention is not limited to described reality
Execute mode.For those of ordinary skill in the art, in the range of the principle and technological thought of the present invention, these are implemented
Mode carries out multiple change, revises, replaces and deformation still falls within protection scope of the present invention.
Claims (8)
1. a triangle tube wall vane static mixer, including unit joint cylinder and the leaf being fixedly mounted on cylinder inboard wall
Sheet, it is characterised in that: described blade is to be cut, by cylinder, the triangle tube wall blade that formed, three triangle tube wall blades in
120 ° uniform on inwall.
Triangle tube wall vane static mixer the most according to claim 1, it is characterised in that: described triangle tube wall
Blade is to be connected, by base, vertical edges and arc limit, the triangle formed, and described vertical edges and base vertical, at the bottom of described arc limit connection
Limit and vertical edges end, the axial line of described vertical edges and cut cylinder at grade, described arc limit and cylinder inboard wall
Welding.
Triangle tube wall vane static mixer the most according to claim 2, it is characterised in that: the arc length on described arc limit
The cylinder week circular arc being 0.083～0.167 times is long.
Triangle tube wall vane static mixer the most according to claim 2, it is characterised in that: described triangle tube wall
The cutting angle of bladeαIt it is 15 °～30 °.
Triangle tube wall vane static mixer the most according to claim 2, it is characterised in that: described triangle tube wall
Vane tip initial welding contact connection angleβIt it is 0 °.
Triangle tube wall vane static mixer the most according to claim 1, it is characterised in that: the joint series connection of described unit
Arranging, neighboring unit cells saves the oppositely oriented of blade.
Triangle tube wall vane static mixer the most according to claim 1, it is characterised in that: the joint series connection of described unit
Arrange, oppositely oriented every two basic-unit section blades.
The fluid mixing method of triangle tube wall vane static mixer the most according to claim 1, it is characterised in that:
During use, cylinder inwall direction partially rotate to, move axially with to cylinder inwall direction partially rotate to combination, make three regions
Fluid the most not exclusively stops, and forms minor spiral eddy current and moves ahead；When fluid is after blade base is left in left side, and each region stream starts
Converge, and make bulk flow produce rotation around axle center under original respective inertia flow effect to move ahead flowing.
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| CN201610136778.4A CN105664749B (en) | 2016-03-10 | 2016-03-10 | Triangle tube wall vane static mixer |
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| CN107826076B (en) * | 2017-12-11 | 2024-01-26 | 山东交通学院 | Automatic tightening device for safety belt |
| CN109621759B (en) * | 2018-12-29 | 2021-05-07 | 徐州坤元电子科技有限公司 | Mixing device for circuit board cleaning fluid |
| CN112973485B (en) * | 2021-03-18 | 2021-12-07 | 同济大学 | Quick tubular static mixer |
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| FR2209601A2 (en) * | 1972-12-13 | 1974-07-05 | Basse Emile | Static mixer for fluid in a pipeline - with inexpensive easily fabricated deflector blades for large dia. pipelines |
| DE3226420A1 (en) * | 1982-07-15 | 1984-01-26 | CEM Ingenieurgesellschaft mbH, 6000 Frankfurt | Device for homogeneously mixing gases, liquids and solids in single-phase or multi-phase systems |
| DD239129A1 (en) * | 1985-07-08 | 1986-09-17 | Akad Wissenschaften Ddr | DEVICE FOR CONTINUOUS STATIC MIXING OF FLOW-SAFE MEDIA |
| CN101443102A (en) * | 2006-04-04 | 2009-05-27 | M.A.E.股份公司 | Static mixer and process for manufacturing the same |
| CN103688034A (en) * | 2011-06-20 | 2014-03-26 | 科尔纳利亚冶金股份公司 | Static mixer for the treatment of exhaust gases and manufacturing method thereof |
| CN103816822A (en) * | 2014-02-20 | 2014-05-28 | 沈阳化工大学 | In-tube concentric double helix static mixer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2209601A2 (en) * | 1972-12-13 | 1974-07-05 | Basse Emile | Static mixer for fluid in a pipeline - with inexpensive easily fabricated deflector blades for large dia. pipelines |
| DE3226420A1 (en) * | 1982-07-15 | 1984-01-26 | CEM Ingenieurgesellschaft mbH, 6000 Frankfurt | Device for homogeneously mixing gases, liquids and solids in single-phase or multi-phase systems |
| DD239129A1 (en) * | 1985-07-08 | 1986-09-17 | Akad Wissenschaften Ddr | DEVICE FOR CONTINUOUS STATIC MIXING OF FLOW-SAFE MEDIA |
| CN101443102A (en) * | 2006-04-04 | 2009-05-27 | M.A.E.股份公司 | Static mixer and process for manufacturing the same |
| CN103688034A (en) * | 2011-06-20 | 2014-03-26 | 科尔纳利亚冶金股份公司 | Static mixer for the treatment of exhaust gases and manufacturing method thereof |
| CN103816822A (en) * | 2014-02-20 | 2014-05-28 | 沈阳化工大学 | In-tube concentric double helix static mixer |
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| CN105664749A (en) | 2016-06-15 |
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