CN201720008U - Stirring mechanism - Google Patents
Stirring mechanism Download PDFInfo
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- CN201720008U CN201720008U CN2010202564453U CN201020256445U CN201720008U CN 201720008 U CN201720008 U CN 201720008U CN 2010202564453 U CN2010202564453 U CN 2010202564453U CN 201020256445 U CN201020256445 U CN 201020256445U CN 201720008 U CN201720008 U CN 201720008U
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- blade
- stirred tank
- rabbling mechanism
- stirring
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Abstract
A stirring mechanism is arranged on a stirring shaft inserted in a stirrer, located in a cavity of the stirrer and provided with at least one blade assembly. The blade assembly comprises a hub, a blade handle and blades, wherein the hub is provided with a through hole and sleeved on the stirring shaft through the through hole, the blade handle is connected onto the hub, and the blades are connected onto the blade handle. The stirring mechanism is strong in stirring capability, and auxiliary mechanisms such as a cooling mechanism and the like can be arranged in the stirrer suitable for the stirring mechanism, thereby obtaining excellent cooling effect, providing good temperature conditions for stirring operation and reaction through stirring, restraining wall sticking effect, and mixing substances sufficiently and uniformly.
Description
Technical field
The utility model relates to a kind of rabbling mechanism, relates in particular to a kind of rabbling mechanism that is applicable to axial flow type stirrer.
Background technology
Axial flow type stirrer has simple structure, stable, efficient advantages of higher, thereby is widely used in the actual production manufacturing.But; existing axial flow type stirrer is subjected to the restriction of the stirring capacity of rabbling mechanism; be applicable to low viscous material in the stirring mostly; under material viscosity condition with higher; particularly under the situation that heat release is also bigger in the whipping process; material usually can adhere on the rabbling mechanism or miscellaneous part in stirred tank wall and the still and (be designated hereinafter simply as " sticking wall effect "), makes agitator can't normally carry out work.For example, in the polymerisation of carbon fiber, reaction predecessor viscosity is very little, only be half of viscosity (0.001Pas) of water, and reaction later stage material viscosity reaches more than the 100Pas, material viscosity changes very greatly in the entire reaction course, and sticking wall effect very easily appearred in reaction when the middle and later periods, material viscosity became big.
On the other hand, the carbon fiber polymerisation is a strong exothermal reaction, and temperature can be very high in the whipping process.Too high temperature can be aggravated the sticking wall effect of material, makes on easier each parts that adheres in stirred tank wall and the still of material, thereby, need when stirring, in time cool off, take away the heat that reaction produces, carry out to guarantee successful reaction.If only consider from the angle of cooling effect, cooling body is set in stirred tank can obtains favorable cooling effect, still, can make the formation in the stirred tank become complicated like this, thus the sticking wall effect of easier appearance.And, can make in the stirred tank temperature distributing disproportionation even, for example, local temperature near cooling body in the stirred tank can be relatively low, thereby cause in the stirred tank species distribution inhomogeneous, and then influence the effect of reaction such as polymerisation for example, cause product can't reach requirement.
The utility model content
The utility model provides a kind of rabbling mechanism, this rabbling mechanism stirring capacity is strong, can either be implemented in stirred tank inside and cooling body etc. is set to obtain better cooling effect, can under the bigger situation of material viscosity, avoid the generation of sticking wall effect again, make species distribution even, obtain mixing effect preferably.
For addressing the above problem, the utility model provides a kind of rabbling mechanism, be arranged on the shaft that is inserted in the described stirred tank on, and be positioned at the still chamber of described stirred tank, have at least one vane group, it is characterized in that, described vane group comprises: wheel hub, through hole with perforation, and install on the described shaft by this through hole cover; The blade handle is connected on the described wheel hub; Blade is connected on the described blade handle.
Alternatively, in the described rabbling mechanism, an edge that links to each other with described blade handle of described blade is a root, the root of described blade be 5 °～90 ° perpendicular to the axial plane angulation scope of described shaft.
Alternatively, in the described rabbling mechanism, an edge that links to each other with described blade handle of described blade is a root, and an edge relative with described root is the end, and the described root of described blade and described end angulation are smaller or equal to 30 °.
Alternatively, in the described rabbling mechanism, an edge that links to each other with described blade handle of described blade is a root, and an edge relative with described root is the end, and the length that connects the edge of described root and described end in the described blade is 30%～70% of described stirred tank diameter.
Alternatively, in the described rabbling mechanism, the surface roughness of described rabbling mechanism is below 0.1 μ m.
Compared with prior art, advantage of the present utility model is:
The stirring capacity of rabbling mechanism of the present utility model is strong, can be implemented in thus in the stirred tank that is suitable for rabbling mechanism of the present utility model cooling body etc. is set, thereby obtain extraordinary cooling effect, in time take away the heat that produces in the reaction, reduce the temperature in the stirred tank, for the reaction of for example polymerisation etc. provides the good operation temperature, avoid Yin Wendu too high and sticking wall effect takes place simultaneously.
On the other hand, can also stir the generation that also can prevent sticking wall reaction apace according to rabbling mechanism of the present utility model, impel material fully, mix equably, to obtain mixing effect preferably.
Description of drawings
Fig. 1 is the structural representation of the axial flow type stirrer of the rabbling mechanism of suitable the utility model one embodiment;
Fig. 2 is the structural representation of a vane group of the rabbling mechanism of the used the utility model of the axial flow type stirrer of Fig. 1 one embodiment;
Fig. 3 is the decomposing schematic representation of a vane group of rabbling mechanism in the used the utility model of the axial flow type stirrer of Fig. 1 one embodiment.
The specific embodiment
Below, in conjunction with the accompanying drawings the specific embodiment of the present utility model is described in detail.Following embodiment is only for illustrating; the scheme that is not limited among the embodiment of the present utility model; in addition, the simple transformation that can carry out in the prior art scope of those skilled in the art and the technical scheme that obtains are all in protection domain of the present utility model.
In the actual production, axial flow type stirrer can stir the bigger material of viscosity under the temperature conditions of higher, and for example heat release is more in the carbon fiber polymerisation, and the material temperature can be than higher; And the middle and later periods of polymerisation, material viscosity is very big.Successfully stirring under high temperature, full-bodied situation, material is mixed equably, is the key point of guaranteeing reaction effect.
For this reason, the utility model provides a kind of rabbling mechanism, its be arranged on the shaft that is inserted in the described stirred tank on, and be arranged in the still of described stirred tank, have at least one vane group, it is characterized in that, described vane group comprises: wheel hub, through hole with perforation, and install on the described shaft by this through hole cover; The blade handle is connected on the described wheel hub; Blade is connected on the described blade handle.
Fig. 1 is the structural representation of the axial flow type stirrer of the rabbling mechanism of suitable the utility model one embodiment, Fig. 2 is the structural representation of a vane group of rabbling mechanism in the used the utility model of the axial flow type stirrer of Fig. 1 one embodiment, and Fig. 3 is the decomposing schematic representation of a vane group of rabbling mechanism in the used the utility model of the axial flow type stirrer of Fig. 1 one embodiment.
Below, in conjunction with the accompanying drawings, the rabbling mechanism of present embodiment is described in detail.
Rabbling mechanism comprises three vane group, is set on the described shaft 200 also can be unitary rotation with it, and as shown in Figure 3, described vane group comprises: wheel hub 310, blade handle 320 and blade 330, wherein,
Described wheel hub 310 is tubular, has the through hole that axially connects along it, by motions such as this through hole cover install to that being on the described shaft 200 and with it is connected together integratedly and rotates.In addition, also offer the mounting groove that adapts with described blade handle 320 on the described wheel hub 310, be used to install described blade handle 320.
In the present embodiment, described wheel hub 310 is fastened on the shaft 200, still, as the case may be, wheel hub 310 is connected on the shaft 200 by mode such as for example be threaded.
An edge of described blade handle 320 is welded on the wheel hub 310, can be with described wheel hub 310 motion such as to rotate integratedly.Here, the edge that links to each other with described blade handle 320 of described blade 330 is called " root ", a edge that will be relative with described root is called " end ".
In the present embodiment, described blade handle 320 is welded on the wheel hub 310, still, as the case may be, blade handle 320 is connected on the wheel hub 310 by modes such as for example clampings.
Described blade 330 is riveted on the blade handle 320, can with motions such as described blade handle 320 rotates integratedly.
Here, the angle that the root and the end of described blade 330 constituted is called torsion angle, and there is corresponding relation in the degree of reversing of the size of described torsion angle and blade 330, should select according to actual demands such as stirring intensities, torsion angle is big more, and then to reverse degree big more, and the blade stirring capacity is strong more.Yet in whipping process, the torsion angle of blade 330 is bigger, and suffered fluid resistance is big more, and is higher to the performance requirements such as intensity of blade 330, thereby can cause manufacture difficulty to become big, and cost uprises.Therefore, preferred described torsion angle angle is smaller or equal to 30 °, for example 5 °, 10 °, 15 °, 20 °, 25 °, 30 °.
In addition, described blade 330 roots are with also the stirring capacity with described blade 330 is relevant perpendicular to the axial plane angulation of described shaft 200, and big more then blade 330 stirring capacity of this angle are strong more, are particularly suited for stirring the higher material of viscosity.Therefore, preferred described blade 330 roots be 5 °～90 ° perpendicular to the axial plane angulation of described shaft 200, for example 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 90 °.
Here, the width between two edges of connection root and end in the blade is called " width of blade ", with reference to figure 2, the width of described blade 330 is B, this width B is big more, and the area of then described blade 330 is big more, and correspondingly stirring capacity will be strong more, yet, width of blade B is excessive, also can hinder the tumbling motion that is stirred material, therefore, be stirred under the situation that material fully rolls can making, should be as far as possible be provided with the width B of blade 330 bigger.Inventor of the present utility model finds, the width B of blade 330 also can be selected according to the diameter of stirred tank 100, the width B of preferred blade 330 is 30%～70% of described stirred tank 100 diameters, for example is 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70% of described stirred tank 100 diameters.
In addition, in the present embodiment, described blade 330 is riveted on the blade handle 320, still, as the case may be, blade 330 is connected on the blade handle 320 by for example modes such as welding, clamping.
In the present embodiment, each vane group has three blades 330, and still, the quantity of the blade that can change each vane group according to actual needs in actual applications and comprised for example, can be set to each vane group and have two blades.
Especially, in actual applications, also described blade handle 320 and described blade 330 can be formed as one, i.e. the integrally formed blade handle 320 that is connected with described wheel hub 310 of being used on blade 330.
In addition; in the present embodiment; described vane group directly is connected on the described shaft 200; but this does not constitute restriction of the present utility model; in actual applications; can also between described vane group and shaft 200, be provided for protecting shaft 200, alleviating wearing and tearing equal loss's axle sleeve, even described vane group is installed on the described shaft 200 by the axle sleeve one and motion such as therewith rotates.
In addition, in actual applications, the quantity of the vane group on the shaft of agitator is at least one, it can be provided with according to the size of stirred tank, the actual needs such as stirring capacity of requirement, for example, be generally 2～5, because vane group is crossed stirring capacity deficiency at least; Vane group is too much, and then moment of torsion that shaft bore etc. is bigger, and it is bigger to wear and tear, and the life-span is shorter.
Below, with reference to Fig. 1, be example with the axial flow type stirrer of the rabbling mechanism that is suitable for the utility model one embodiment, be described in detail.
As shown in Figure 1, the axial flow type stirrer in present embodiment constitutes: be inserted with shaft 200 in the stirred tank 100, described shaft 200 stretches out from stirred tank 100 and is connected on the driving mechanism 500; Be connected with rabbling mechanism on one section in the described stirred tank 100 of being plugged in of described shaft 200; The outer wall of described stirred tank 100 is provided with the outer mechanism 410 of cooling off; The inwall of described stirred tank 100 is provided with interior cooling body 420.In addition, also be provided with the heat exchange baffle plate 430 that has baffle effect and cooling effect concurrently on the inwall of described stirred tank 100.
In addition, reach needs as the case may be, can also on stirred tank 100, offer pressure adjusting mouth, the thermometer mouth that is used to install thermometer that is used to control the still internal pressure, each the annex installing port such as pressure gauge mouth that is used for the setting pressure meter.
In the present embodiment, one whole axle that described shaft 200 is formed as one, but, this does not constitute being suitable for the restriction of rabbling mechanism of the present utility model, in concrete the application, the formation shaft that also can link together by several sections axles that for example shaft coupling etc. will form respectively is under the long situation of the length of for example shaft, can reduce the manufacture difficulty of shaft like this, reduce the cost of shaft.
In the present embodiment, described outer cooling mechanism 410 is a coil arrangement, is welded on the outer wall of described stirred tank 100, cools off by the cooling water that circulates in coil pipe, to take away the heat in the stirred tank 100.
But this only is a kind of embodiment that is suitable for rabbling mechanism of the present utility model, does not constitute restriction of the present utility model, and in concrete the application, described outer cooling mechanism 410 for example can also constitute other structures such as plate-type heat exchange structure; The connected mode of itself and described stirred tank 100 also can be other connected modes outside the welding, for example can also be connected to described outside, cool off respectively connector is set on mechanism 410, the stirred tank 100, the cooperation by described connector connects.In addition, the described outer type of cooling of cooling off mechanism 410 is not limit water quench yet, can select other types of cooling according to actual conditions yet.
In the present embodiment, cooling body 420 in described, be welded on the inwall of described stirred tank 100, and have and pass stirred tank 100 walls and reach the cooling inlet of described stirred tank 100 outsides and coolant outlet (among the figure sign), cooling body 420 cools off by the cooling water that circulates in coil pipe in described, to take away the heat in the stirred tank 100.
And, in the present embodiment, blade 330 is to be provided with according to diameter of stirred tank 100 etc., the stirring capacity that it had is very big, and interior cooling body 420 is a coil arrangement, though so cooling body 420 in being provided with in the agitator of present embodiment, the stirring dead band in the whipping process is very little, so also smaller to the influence of mixing effect.
But this only is a kind of embodiment that is suitable for rabbling mechanism of the present utility model, do not constitute restriction of the present utility model, in concrete the application, described in cooling body 420 for example can also constitute other structures such as plate-type heat exchange structure; The connected mode of itself and described stirred tank 100 also can be other connected modes outside the welding, for example can also be connected to connector is set on cooling body 420, the stirred tank 100 in described respectively, the cooperation by described connector connects.In addition, the type of cooling of described interior cooling body 420 also is not limited to water quench, also can select other types of cooling according to actual conditions.
In addition, described agitator also has the heat exchange baffle plate 430 that has baffle plate and cooling effect concurrently, and it is arranged on the inwall of stirred tank 100.Described heat exchange baffle plate 430 had both had as baffle plate, made the flow direction of stirred tank 100 inner fluids become tumbling motion from circular motion, to strengthen the effect of mixing effect; Have again as the effect of cooling body cooling off because of the heat that stirs generation.In the present embodiment, described heat exchange baffle plate 430 is a plate type heat exchanger, and it has and passes stirred tank 100 walls and reach the cooling inlet of described stirred tank 100 outsides and coolant outlet (among the figure sign).Yet, in concrete the application, the structure that other have baffle plate and cooling effect concurrently can also be set in described agitator, for example cooling water pipe etc.
And, in the present embodiment, blade 330 is set according to diameter of stirred tank 100 etc., the stirring capacity that it had is very big, though thereby in the agitator of present embodiment, be provided with baffle plate, the stirring dead band in the whipping process is very little, so also smaller to the influence of mixing effect.
In addition, in the present embodiment, described heat exchange baffle plate 430 is a plate type heat exchanger, have the effect of baffle plate and cooling body concurrently, but, as the case may be, for example reducing under the situation of baffle plate volume as far as possible, also can it be set to the structure that for example flat board, angle steel etc. only have baffle effect for suppress stirring the generation of dying.
In addition, if still inwall and/or to be arranged on the mechanism of stirred tank inside rough for example has pit, pit etc., sticking wall effect takes place very easily then.Sticking wall effect can cause on the one hand and stir inhomogeneously, when for example carrying out polymerisation reaction mass is descended; Also can influence the operate as normal of other mechanisms on the other hand, for example material is bonded on the interior cooling body, heat exchange efficiency is descended, the cooling capacity step-down, thereby can't in time take away in the reactor because of stir or the heat that produced of reacting cause in the still overheated, and then the sticking wall effect of aggravation, and the too high reaction mass that also can make of temperature descends when for example carrying out polymerisation.
For making the non-caked inwall of material in the stirred tank 100 at stirred tank 100, and be arranged on the parts and/or mechanism in the described stirred tank 100, described parts and/or mechanism comprise for example shaft 200, rabbling mechanism, interior cooling body 420, baffle plate (for example the heat exchange baffle plate 430) etc., should use for example chemical polishing, machine glazed finish etc. are polished, the surface roughness that makes the still inwall and be arranged on other mechanisms in the described stirred tank 100 acquires a certain degree, the still inwall of preferred described stirred tank 100 and the surface roughness that is arranged on the rabbling mechanism in this stirred tank 100 below 0.1 μ m, 0.1 μ m for example, 0.08 μ m.And, the surface roughness that particularly preferably makes the miscellaneous part that is arranged in the described stirred tank 100 and/or mechanism's (for example shaft 200, interior cooling body 420, baffle plate) also below 0.1 μ m, for example 0.1 μ m, 0.08 μ m.
In sum, the blade of axial flow type stirrer can be provided with according to diameter of stirred tank 100 etc., so stirring capacity is very strong, though in axial flow type stirrer, be provided with mechanisms such as interior cooling body, baffle plate, but the stirring dead band in the whipping process in the stirred tank 100 is very little, so also smaller to the influence of mixing effect; And can suppress the generation of sticking wall effect.
On the other hand, because the stirring capacity of rabbling mechanism of the present utility model is strong, can cooling body be set in stirred tank thus and unfavorable condition such as sticking wall not occur, can obtain extraordinary cooling effect, in time take away the heat that produces in the reaction, reduce the temperature in the stirred tank, for the reaction of for example polymerisation etc. provides the good operation temperature; And, can avoid thus sticking wall effect taking place because of the still cavity temperature is too high, prevent from still inwall, the interior cooling body cooling effect to be descended because of material for example sticks to, influence mixing effect and utilize the quality that stirs the reaction of carrying out.
Though the utility model discloses as above with better embodiment, the utility model is not to be defined in this.Any those skilled in the art in not breaking away from spirit and scope of the present utility model, all can do various changes and modification, and therefore protection domain of the present utility model should be as the criterion with claim institute restricted portion.
Claims (5)
1. a rabbling mechanism is arranged on the shaft that is inserted in the described stirred tank, and is positioned at the still chamber of described stirred tank, has at least one vane group, it is characterized in that described vane group comprises:
Wheel hub has the through hole of perforation, and installs on the described shaft by this through hole cover;
The blade handle is connected on the described wheel hub;
Blade is connected on the described blade handle.
2. rabbling mechanism according to claim 1 is characterized in that, an edge that links to each other with described blade handle of described blade is a root, the root of described blade be 5 °～90 ° perpendicular to the axial plane angulation scope of described shaft.
3. rabbling mechanism according to claim 1, it is characterized in that, an edge that links to each other with described blade handle of described blade is a root, and an edge relative with described root is the end, and the described root of described blade and described end angulation are smaller or equal to 30 °.
4. rabbling mechanism according to claim 1, it is characterized in that, an edge that links to each other with described blade handle of described blade is a root, an edge relative with described root is the end, and the length that connects the edge of described root and described end in the described blade is 30%～70% of described stirred tank diameter.
5. according to arbitrary described rabbling mechanism in the claim 1 to 4, it is characterized in that the surface roughness of described rabbling mechanism is below 0.1 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202564453U CN201720008U (en) | 2010-07-09 | 2010-07-09 | Stirring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202564453U CN201720008U (en) | 2010-07-09 | 2010-07-09 | Stirring mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201720008U true CN201720008U (en) | 2011-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202564453U Expired - Fee Related CN201720008U (en) | 2010-07-09 | 2010-07-09 | Stirring mechanism |
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| CN (1) | CN201720008U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107519781A (en) * | 2017-07-13 | 2017-12-29 | 洛阳双瑞特种装备有限公司 | A kind of high anti-corrosion agitator and its manufacture method |
| CN108211892A (en) * | 2016-12-11 | 2018-06-29 | 快速和流体管理私人有限公司 | Viscous liquid blender |
| TWI630027B (en) * | 2013-12-11 | 2018-07-21 | 英凡特環工工程股份公司 | Stirring body for circulating wastewater received in a basin and device |
-
2010
- 2010-07-09 CN CN2010202564453U patent/CN201720008U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI630027B (en) * | 2013-12-11 | 2018-07-21 | 英凡特環工工程股份公司 | Stirring body for circulating wastewater received in a basin and device |
| CN108211892A (en) * | 2016-12-11 | 2018-06-29 | 快速和流体管理私人有限公司 | Viscous liquid blender |
| CN107519781A (en) * | 2017-07-13 | 2017-12-29 | 洛阳双瑞特种装备有限公司 | A kind of high anti-corrosion agitator and its manufacture method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20150709 |
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| EXPY | Termination of patent right or utility model |