CN106693745B - A kind of multiple-blade combined blender - Google Patents
A kind of multiple-blade combined blender Download PDFInfo
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- CN106693745B CN106693745B CN201710092458.8A CN201710092458A CN106693745B CN 106693745 B CN106693745 B CN 106693745B CN 201710092458 A CN201710092458 A CN 201710092458A CN 106693745 B CN106693745 B CN 106693745B
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- blade
- linear leaf
- wide
- fixed ring
- blender
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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
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
Abstract
The present invention provides a kind of multiple-blade combined blenders, it is characterized in that, the blender includes fixed ring (1), connect with fixed ring (1) and self-retaining ring (1) extend composite blading, composite blading includes connection blade (2), top linear leaf (3), the wide blade in top (4), lower part linear leaf (5), the wide blade in lower part (6), wherein, composite blading has n group, and connection blade (2) is perpendicular to fixed ring (1), top linear leaf (3), the wide blade in top (4), lower part linear leaf (5), the wide blade in lower part (6) is sequentially connected and its center line is parallel to the axis of fixed ring (1).It is simple in the agitating device structure, fluid can be made to generate the uniform compound flowing of axial-radial, applicable fluid viscosity ranges are wide, and monophasic fluid mixes in the stirred tank that can be used for having different ratio of height to diameters (H/T), liquid-liquid dispersions, gas-liquid, liquid consolidates or gas-liquid-solid dispersion process.
Description
Technical field
The present invention relates to a kind of agitating devices, and specifically, agitating device according to the present invention can be applied to chemical industry, stone
Single-phase or heterogeneous fluid the stirring in the fields such as oiling work, biochemical pharmacy and metallurgy, mixed process are suitable for larger viscosity model
Dispersion process (the immiscible two-phase dispersion of such as liquid-liquid, gas-liquid dispersion, the liquid-of homogeneous system mixing and heterogeneous system in enclosing
Gu dispersion or airwater mist cooling dispersion).Agitating device according to the present invention cannot be only used for conventional ratio of height to diameter example (H/
For T 1 or so, a height of H of liquid level, slot internal diameter is the mixed process in the stirred tank of T), and it is biggish to can be also used for ratio of height to diameter (H/T)
Mixed process, the mixed process such as ratio of height to diameter 1.5~3.
Background technique
With the continuous development of industrial process, the industries such as petroleum, chemical industry, pharmacy be faced with simultaneously " high pollution, high energy consumption,
Accident is high-incidence " serious challenge therefore develop novel chemical industry equipment or device, improve production process efficiency, reduce and produced
Journey energy consumption etc. has great importance.Blender is one of core component of tank reactor, and main function is realized in kettle
It is evenly dispersed between the uniform mixing of fluid or heterogeneous fluid, therefore be also the master for influencing stirred tank reactor energy consumption height
Factor is wanted, so being always one of the hot spot of Process Equipment research field to the exploitation of Novel mixer, is produced for improving
Process efficiency, the saving production process energy, raising product yield, reduction by-product etc. all have highly important meaning.
According to the difference of fluid viscosity, the type selecting of blender difference is such as directed to low viscosity fluid, frequently with push type
Propeller, six blade turbine agitating paddles etc.；For the fluid mixing process of medium-high viscosity, frequently with frame, anchor formula, helical-ribbon type etc.
Blender；To meet the fluid mixing process in wide viscosity range, many designers have developed maximum blade formula, general energy formula
Etc. forms agitating paddle.
Turbine type agitating paddle is the blender for being industrially most commonly used for low viscosity fluid mixing, as the Gao Jing of stirred tank
When bigger, the concatenated mode of multiple vane wheel oars, such as stirred tank for ratio of height to diameter in 2~3 ranges, general edge are generallyd use
Two to four vane wheel oars of axial arrangement.Vane wheel oar belongs to typical radial-flow type agitating paddle, and axial backmixing effect is weaker, and multiple whirlpools
Take turns paddle collective effect when vertical stirring tank can generating region effect, i.e., between the liquid circulation flow generated between adjacent agitating paddle
The effect of relatively independent, fluid communication is weaker, exists simultaneously flowing negative function, therefore bulk flow moment in slot, mixed effect is not
It is good, when particularly with the biggish system of two-phase density difference to be mixed or containing the liquid-solid system of suspended particulate, since it is deposited
Area effect be unable to reach expected mixed effect so that material is extremely difficult to another region by a regional diffusion.
For the blenders such as frame, anchor formula in the stirring and mixing for middle and high viscous liquid, material is mainly with radial motion
Based on, axial exchange interaction is poor, and in the case where in container without baffle, center whirlpool easy to form.Due to whirlpool
In the presence of, it is difficult to alternate with each other inside and outside blade, mixes, conducts heat, reaching that effect is excessively poor, tubulence energy and turbulence energy consumption at center
Dissipate it is minimum, and the problems such as be easy to appear the material hot-spot near kettle wall, coking.Although helix(ribbon type) agitator is stirred
It is based on the effect of axis material lifting in journey, but radial exchange interaction is poor, especially when the material viscosity of stirring is higher,
The poor fluidity of material, whole flow field is uneven, affects heterogeneous mass transfer, heat transfer and crystallization etc..
There are Many researchers to improve frame, anchor formula, helix(ribbon type) agitator at present, to solve its flow direction list
One the problem of, stirs on transmission shaft equipped with helical-ribbon type if 203591753 U of patent CN discloses a kind of band gate stirrer
Paddle and multilayer cross blade are mixed, the cross blade is equipped with vertical blade.The blender overall structure be similar to frame and
The axial direction that the combination of helix(ribbon type) agitator, the Radial Flow effect that gate stirrer is generated and helix(ribbon type) agitator generate flows
Effect combines, and flow field presents and axially and radially crosses one another, so that material be enable fully uniformly to be mixed.But the blender
Structure is complicated, not easy to be processed, and lateral multiple layers of vanes is equipped on transmission shaft, can be to whole axial in stirred tank after rotation
Flowing generates cutting action, so that flow field is axially being divided into several regions, reduces the exchange interaction of axial material.
When to overcome above-mentioned single blender to be used alone or the use of a variety of stirrer combinations caused by mixed process
Adverse effect, exploitation is simple with structure, axially and radially flowing can be achieved at the same time, the material exchange in kettle between whole region
Act on hot spot of the apparent combined type blender as mixing plant research and development field.As 103768980 A of patent CN discloses one
Kind sweep short blade composite stirrer, structure are mainly made of lower part short blade and top sweep.The blender passes through two kinds
The interaction of radial-flow type paddle makes fluid in kettle while producing whole axis flowing, and axial flowing interacts with Radial Flow,
It solves general radial-flow type paddle and flows to Single-issue, enhance mixed process.But the blender generates fluid due to short blade
Be lifted up effect it is limited, in the material mixed process excessive for ratio of height to diameter, mixed effect is declined, and in liquid level
Easily there is mixing dead zone in place.
Summary of the invention
Technical problem: the purpose of the present invention is to provide a kind of multiple-blade Combined mixing devices, are used for chemical industry, petroleum
Single-phase or heterogeneous fluid the stirring in the fields such as work, biochemical pharmacy and metallurgy, mixed process.Stirring dress provided by the invention
It sets, is applicable to the dispersion process of the homogeneous system mixing and heterogeneous system within the scope of larger viscosity, is being specifically used for stirring
When kettle, the mixing in the stirred tank of conventional ratio of height to diameter example (for H/T 1 or so, a height of H of liquid level, slot internal diameter is T) cannot be only used for
Journey can be also used for ratio of height to diameter (H/T) biggish mixed process, the mixed process such as ratio of height to diameter 1.5~3.
Technical solution: in order to solve the above technical problems, the present invention provides a kind of multiple-blade combined blender, the stirring
The composite blading that device includes fixed ring, connect with fixed ring and self-retaining ring extends, composite blading are wide including connection blade, top
Blade, top linear leaf, lower part linear leaf, the wide blade in lower part, wherein composite blading has n group, and connects blade perpendicular to fixation
Ring, the wide blade in top, top linear leaf, lower part linear leaf, the wide blade in lower part are sequentially connected and its center line is parallel to fixed ring
Axis；
The top linear leaf lower section and lower part linear leaf upper end are connected with the upper and lower end for connecting blade respectively
It connects, the wide blade in top is connected to the upper end of top linear leaf, and the wide blade in lower part is connected to the lower section of lower part linear leaf.
Preferably, quantity 4≤n≤6 of composite blading.
Preferably, the angle between the connection blade and axis is 0~70 degree or 0~45 degree.
Preferably, the wide blade in the top, the wide blade in lower part shape be plate, oblique blade or flexure plane.
Preferably, any position of the wide blade horizontal edge in one end with the top of the top linear leaf is connect.
Preferably, any position of the wide blade horizontal edge in one end with the lower part of the lower part linear leaf is connect.
The utility model has the advantages that multiple-blade combined blender provided by the invention greatly enhances, ratio of height to diameter is biggish vertical to be stirred
The flowing of fluid in slot is mixed, as shown in Figure 1, make in kettle while generating relatively uniform axial flowing and Radial Flow, and is axial
The fluid and the fluid interaction of Radial Flow of flowing, effectively progress fluid communication, solve more paddle combined blenders and hold
Be also easy to produce area effect, tubulence energy and tubulence energy dissipation the problems such as being unevenly distributed, substantially increase mixing efficiency, reduce it is mixed
The power consumption closed the time, reduce agitating paddle；The structure of the blender is simple simultaneously, easy to process, reduces manufacturing cost.
In general, the present invention has advantage following prominent compared to other technologies:
(1) the radially draining function generated in whipping process by linear leaf, wide blade and connection blade are stirring
The local eddy currents generated in the process are by axial elongation, and multiply vortex generates stronger interaction and to pool one biggish
Vortex, this makes to connect blade and the interlobate area effect of width greatly weakens, and even disappears completely.
(2) top and the bottom of the multiple-blade combined blender in vertical stirring tank produce the big whirlpool of horizontal symmetrical respectively
Stream, and line of symmetry is located near connection blade, and the drain side of connection blade is further controlled by the angle of control connection blade
To making the mutual exchanging action of the symmetrical vortices of stirred tank top and the bottom be strengthened, effectively enhance vertical stir in this way
Mix the whole axial backmixing effect of device.
(3) wide blade, connection blade are linked to be entirety by linear leaf by the multiple-blade combined blender, can regard nothing as
Several radial-flow type agitating paddles can make in whipping process the tubulence energy and turbulence energy consumption in entire slot in axial combination
It is uniform to dissipate distribution, reduces local tubulence energy and tubulence energy dissipates too small region.
Detailed description of the invention
Fig. 1 a is multiple-blade combined blender of the present invention.
Fig. 1 b is that the fluid flow pattern comparison generated in six leaf disk vane wheel oar combined impeller stirred tank of standard is shown
It is intended to.
Fig. 2 is the blender configuration picture in embodiment 1.
Fig. 3 is the blender configuration picture in embodiment 2.
Fig. 4 is the blender configuration picture in embodiment 3.
Fig. 5 is the blender configuration picture in embodiment 4.
Fig. 6 is the blender configuration picture in embodiment 5.
Fig. 7 is the blender configuration picture in embodiment 6.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Multiple-blade combined blender provided by the invention is further illustrated with reference to the accompanying drawing, but the present invention
It is not limited thereby.
A kind of multiple-blade combined blender, which includes fixed ring 1, connect with fixed ring 1 and self-retaining ring 1 prolongs
The composite blading stretched, composite blading are wide including connection blade 2, the wide blade 3 in top, top linear leaf 4, lower part linear leaf 5, lower part
Blade 6, wherein composite blading has a n group, and connects blade 2 perpendicular to fixed ring 1, the wide blade 3 in top, top linear leaf 4, under
Minister's blade 5, the wide blade 6 in lower part are sequentially connected and its center line is parallel to the axis of fixed ring 1；
4 lower end of top linear leaf and 5 upper end of lower part linear leaf respectively with the upper and lower end phase that connect blade 2
Connection, the wide blade 3 in top are connected to the upper end of top linear leaf 4, and the wide blade 6 in lower part is connected to lower part linear leaf 5
Lower end.
Quantity 4≤n≤6 of composite blading.
Angle between the connection blade 2 and axis is 0~70 degree or 0~45 degree.
The wide blade 3 in the top, the wide blade 6 in lower part shape be plate, oblique blade or flexure plane.
One end of the top linear leaf 4 is connect with any position of wide 3 horizontal edge of blade in the top.
One end of the lower part linear leaf 5 is connect with any position of wide 6 horizontal edge of blade in the lower part.
Embodiment 1:
Stirred tank interior diameter 1m, high 2m, wall surface are uniformly distributed four pieces wide 0.1m baffle, stirred volume about 1.2m3, liquid level height
1.6m, multiple-blade combined blender are mounted on the axis of diameter 65mm by fixed ring.As shown in Fig. 2, the blender is straight
Diameter 0.58m, totally 4 composite bladings, away from bottom 0.2m, the high 12cm of connection blade on composite blading, and 0 degree of axis angle,
Upper and lower short blade is width 12cm, the prismatic blade of high 12cm, and short blade center is connect with linear leaf center, the wide 4cm of linear leaf, height
42cm。
Embodiment 2:
Stirred tank interior diameter 0.6m, high 1.5m, wall surface are uniformly distributed four pieces wide 0.06m baffle, stirred volume about 0.34m3,
The high 1.2m of liquid level, multiple-blade combined blender are mounted on the axis of diameter 40mm by fixed ring.As shown in figure 3, this is stirred
Mix device totally 5 composite bladings, diameter 0.3m, away from bottom 0.15m, the high 9cm of connection blade of composite blading, with axis angle 0
Degree, upper and lower short blade are width 9cm, and the prismatic blade of high 9cm, short blade outer connect with linear leaf, the wide 3cm of linear leaf, height
31.5cm。
Embodiment 3:
Stirred tank interior diameter 1m, high 2m, wall surface are uniformly distributed four pieces wide 0.1m baffle, stirred volume about 1.35m3, liquid level
High 1.8m, multiple-blade combined blender are mounted on the axis of diameter 65mm by fixed ring.As shown in figure 4, the blender
Totally 6 composite bladings, diameter 0.7m, away from bottom 0.25m, the high 15cm of connection blade of composite blading, and 0 degree of axis angle,
Upper and lower short blade is width 15cm, high 12.5 prismatic blade, and edge is connect with linear leaf in short blade, linear leaf wide 5cm, high 45cm.
Embodiment 4:
Stirred tank interior diameter 1.2m, high 3m, wall surface are uniformly distributed four pieces wide 0.12m baffle, stirred volume about 2.8m3, liquid
The high 2.6m in position, multiple-blade combined blender are mounted on the axis of 70mm by fixed ring.As shown in figure 5, the blender is straight
Diameter totally 4 composite bladings, diameter 0.6cm, away from bottom 40cm, the high 18cm of connection blade of composite blading, with axis angle 45
Degree, upper and lower short blade are high 16cm, and the prismatic blade of wide 18cm, short blade outer connect with linear leaf, the wide 6cm of linear leaf, height
63cm。
Embodiment 5:
Stirred tank interior diameter 0.6m, high 1.8m, wall surface are uniformly distributed four pieces wide 0.06m baffle, stirred volume about 0.44m3,
The high 1.6m of liquid level, multiple-blade combined blender are mounted on the axis of diameter 45mm by fixed ring.As shown in fig. 6, this is stirred
Mix device totally 4 composite bladings, diameter 0.3m, away from bottom 0.2m, the high 9cm of connection blade of composite blading, with axis angle 0
Degree, upper and lower short blade are width 9cm, and high 9cm, the bent blades of camber line diameter 9cm, short blade outer connect with linear leaf, linear leaf
Wide 3cm, high 46cm.
Embodiment 6:
Stirred tank interior diameter 1.6m, high 3m, wall surface are uniformly distributed four pieces of 0.16m baffles, stirred volume about 4.8m3, liquid level
High 2.4m, multiple-blade combined blender are mounted on the axis of diameter 105mm by fixed ring.As shown in fig. 7, the blender
Totally 4 composite bladings, diameter 0.8m, apart from bottom 0.26m, the high 20cm of connection blade of composite blading, with axis angle 45
Degree, upper and lower short blade are width 24cm, high 20cm, and the oblique blade with 45 degree of axis angle, short blade outer is connect with linear leaf, long
Blade wide 8cn, high 64cm.
The foregoing is merely better embodiment of the invention, protection scope of the present invention is not with above embodiment
Limit, as long as those of ordinary skill in the art's equivalent modification or variation made by disclosure according to the present invention, should all be included in power
In the protection scope recorded in sharp claim.
Claims (5)
1. a kind of multiple-blade combined blender, which is characterized in that the blender includes fixed ring (1), connect with fixed ring (1)
And the composite blading that self-retaining ring (1) extends, composite blading include connection blade (2), the wide blade in top (3), top linear leaf
(4), lower part linear leaf (5), the wide blade in lower part (6), wherein composite blading has n group, and connects blade (2) perpendicular to fixed ring
(1), the wide blade in top (3), top linear leaf (4), lower part linear leaf (5), the wide blade in lower part (6) is sequentially connected and its center line
It is parallel to the axis of fixed ring (1)；
Top linear leaf (4) lower section and lower part linear leaf (5) upper end respectively with the upper and lower end that connect blade (2)
It is connected, the wide blade in top (3) is connected to the upper end of top linear leaf (4), and the wide blade in lower part (6) is connected to lower part
The lower end of linear leaf (5)；
Quantity 4≤n≤6 of composite blading.
2. multiple-blade combined blender according to claim 1, it is characterised in that: the connection blade (2) and axis
Angle between line is 0~70 degree or 0~45 degree.
3. multiple-blade combined blender according to claim 1, it is characterised in that: the wide blade in top (3), lower part
The shape of wide blade (6) is plate, oblique blade or flexure plane.
4. multiple-blade combined blender according to claim 1, it is characterised in that: the one of the top linear leaf (4)
End is connect with any position of the top wide blade (3) horizontal edge.
5. multiple-blade combined blender according to claim 1, it is characterised in that: the one of the lower part linear leaf (5)
End is connect with any position of the lower part wide blade (6) horizontal edge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710092458.8A CN106693745B (en) | 2017-02-21 | 2017-02-21 | A kind of multiple-blade combined blender |
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| CN201710092458.8A CN106693745B (en) | 2017-02-21 | 2017-02-21 | A kind of multiple-blade combined blender |
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| CN106693745A CN106693745A (en) | 2017-05-24 |
| CN106693745B true CN106693745B (en) | 2019-08-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113332937B (en) * | 2021-05-24 | 2022-05-10 | 东南大学 | Fractal blade stirrer |
| CN113952913B (en) * | 2021-11-24 | 2023-01-24 | 重庆工商大学 | Z-shaped overlapped stirring paddle for enhancing fluid mixing |
| CN114534542B (en) * | 2022-02-28 | 2024-01-26 | 华东理工大学 | Stirring paddle, stirring system, positive electrode material, precursor of positive electrode material and preparation method of precursor |
| CN114887511B (en) * | 2022-05-25 | 2023-05-30 | 东南大学 | Fishtail bionic stirring paddle |
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| CN102641679A (en) * | 2012-05-21 | 2012-08-22 | 黄更生 | Multi-blade stirring device |
| CN102658051A (en) * | 2012-05-21 | 2012-09-12 | 黄更生 | Multiple-vane stirrer |
| CN103768980A (en) * | 2014-01-20 | 2014-05-07 | 东南大学 | Long-paddle short-blade composite stirrer |
| CN203648432U (en) * | 2013-11-15 | 2014-06-18 | 张建锋 | Industrial stirrer |
| CN204170680U (en) * | 2014-09-18 | 2015-02-25 | 天津市振东涂料有限公司 | Slurry dispersion mixing device |
| CN105344306A (en) * | 2015-12-03 | 2016-02-24 | 重庆太岳科技有限公司 | Multi-blade stirring-type dust collecting reaction system |
| CN105854774A (en) * | 2016-06-02 | 2016-08-17 | 范素琴 | Novel pharmaceutical reaction kettle stirrer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN2012DE00390A (en) * | 2012-02-13 | 2015-06-05 | Council Scient Ind Res |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641679A (en) * | 2012-05-21 | 2012-08-22 | 黄更生 | Multi-blade stirring device |
| CN102658051A (en) * | 2012-05-21 | 2012-09-12 | 黄更生 | Multiple-vane stirrer |
| CN203648432U (en) * | 2013-11-15 | 2014-06-18 | 张建锋 | Industrial stirrer |
| CN103768980A (en) * | 2014-01-20 | 2014-05-07 | 东南大学 | Long-paddle short-blade composite stirrer |
| CN204170680U (en) * | 2014-09-18 | 2015-02-25 | 天津市振东涂料有限公司 | Slurry dispersion mixing device |
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