CN208757574U - A kind of self-priming mixing stirring device - Google Patents
A kind of self-priming mixing stirring device Download PDFInfo
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- CN208757574U CN208757574U CN201821092981.7U CN201821092981U CN208757574U CN 208757574 U CN208757574 U CN 208757574U CN 201821092981 U CN201821092981 U CN 201821092981U CN 208757574 U CN208757574 U CN 208757574U
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Abstract
The utility model discloses a kind of self-priming mixing stirring device, and including cylinder, motor and the agitating shaft being mounted among cylinder, the output shaft of motor couples with the top of agitating shaft；The cylindrical cavity mutually completely cut off is provided among agitating shaft, first annulus cylindrical cavity and the second annulus cylindrical cavity, agitating shaft top is provided with the first air inlet being connected to cylindrical cavity, the second air inlet being connected to the first annulus cylindrical cavity and the third air inlet being connected to the second annulus cylindrical cavity, agitating shaft lower part is installed with upper layer agitating paddle, middle layer agitating paddle and lower layer's agitating paddle, upper layer agitating paddle, several ventholes are provided on middle layer agitating paddle and lower layer's agitating paddle, the aperture of first air inlet is greater than the aperture of the second air inlet, the aperture of second air inlet is greater than the aperture of third air inlet.The utility model self-priming mixing stirring device can be such that gas is uniformly dispersed into liquid in stirring overshoot, improve gas Liquid Mass Transfer Coefficient and reaction rate.
Description
Technical field
The utility model relates to mixing plant technical fields, more particularly to a kind of self-priming mixing stirring device.
Background technique
Solution-air and gas-liquid-solid multiphase reaction system widely exist in most metallurgy, biology, the processes such as chemical industry and ore dressing
In.To realize that solution-air or the higher reaction efficiency of gas-liquid-solid reaction system need gas-dynamic to pass in and out, gas effciency is generally inclined
It is low, cause the serious wasting of resources and the increase of production cost.Self-suction stirrer is a kind of without additional gas conveying
It is mechanical and voluntarily can carry out the reaction unit of gas-liquid contact by sucting reaction device headspace gases, pass through the self-priming of special designing
Agitating paddle is carrying out constantly sucking extraneous gas while feed liquid mixing, achievees the purpose that Gas-Liquid Dispersion, reaction.
However an important feature of agitating paddle is in self-suction stirrer, only when speed of agitator reaches critical speed
When above, just have gas and suck and be distributed to liquid, and the higher the amount of gas inhalation of revolving speed is bigger；Face when revolving speed is lower than
It when boundary's revolving speed, works, is sucked without gas, and with the increasing of self-priming impeller submergence just as common agitating paddle
Add, critical speed increases, and the amount of gas inhalation is reduced, therefore the gettering ability of the agitating paddle of different depth is not in self-suction stirrer
Together, it be easy to cause gas to be unevenly distributed, gas dispersion effect is bad, causes gas Liquid Mass Transfer Coefficient and reaction rate by very big
It influences.
Utility model content
The purpose of the utility model is to provide a kind of self-priming mixing stirring device, to solve above-mentioned of the existing technology ask
Topic enables the gas in whipping process of the self-priming agitating device with Multi-stage stirring paddle evenly dispersed, improves gas-liquid mass transfer
Coefficient and reaction rate.
To achieve the above object, the utility model provides following scheme: it is mixed that the utility model provides a kind of self-priming stirring
It attaches together and sets, including cylinder, motor and the agitating shaft being mounted among the cylinder, the output shaft of the motor and the agitating shaft
Top connection；The cylindrical cavity mutually completely cut off, the first annulus cylindrical cavity and the second circle are provided among the agitating shaft
Ring-cylindrical cavity, the agitating shaft top are provided with the first air inlet being connected to the cylindrical cavity, with first circle
Second air inlet of Ring-cylindrical cavity connection and the third air inlet being connected to the second annulus cylindrical cavity, the agitating shaft
Lower part is from top to bottom successively installed with the upper layer agitating paddle being connected to the second annulus cylindrical cavity and the first annulus column
The middle layer agitating paddle of shape cavity connection and the lower layer's agitating paddle being connected to the cylindrical cavity, the upper layer agitating paddle, middle layer
Several ventholes are provided on agitating paddle and lower layer's agitating paddle, the aperture of first air inlet is greater than second air inlet
The aperture in hole, the aperture of second air inlet are greater than the aperture of the third air inlet.
Preferably, the cylindrical cavity, the first annulus cylindrical cavity and the second annulus cylindrical cavity are coaxial, and described first
The diameter of annulus cylindrical cavity is greater than the diameter of the cylindrical cavity, and the diameter of the second annulus cylindrical cavity is greater than described
The diameter of first annulus cylindrical cavity.
Preferably, the cross-sectional area of the cylindrical cavity is greater than the cross-sectional area of the first annulus cylindrical cavity, institute
The cross-sectional area for stating the first annulus cylindrical cavity is greater than the cross-sectional area of the second annulus cylindrical cavity.
Preferably, the height of the cylindrical cavity is greater than the height of the first annulus cylindrical cavity, first circle
The height of Ring-cylindrical cavity is greater than the cylindrical height of the second annulus.
Preferably, the venthole on the upper layer agitating paddle, middle layer agitating paddle and lower layer's agitating paddle is respectively positioned on back to blade
The side of direction of rotation.
Preferably, the spacing of adjacent two layers agitating paddle is 1~1.5 times of blade tip away from stirring shaft length.
Preferably, first air inlet, the second air inlet and third air inlet are from top to bottom arranged at described stir
It mixes on axis.
Preferably, baffle is additionally provided in the cylinder, the outside of the baffle and the inner wall gap of the cylinder are fixed
Connection.
The utility model self-priming mixing stirring device achieves following technical effect compared with the existing technology:
The utility model self-priming mixing stirring device can be such that gas is uniformly dispersed into liquid in stirring overshoot, mention
High gas Liquid Mass Transfer Coefficient and reaction rate.The utility model self-priming mixing stirring device makes the agitating paddle and agitating shaft of different layers
Middle different cavity connection, and the size of the cross-sectional area by controlling different cavitys and the pore size of corresponding air inlet,
Submergence difference, the critical speed for overcoming different agitating paddles are different, and the amount of gas inhalation difference, gas is caused to be unevenly distributed
Problem finally makes the amount of gas inhalation of each layer agitating paddle in whipping process identical, the gas in the liquid of different depth point
It dissipates uniformly, gas dispersion effect is improved, to improve gas Liquid Mass Transfer Coefficient and reaction rate.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model self-priming mixing stirring device；
Wherein, 1- cylinder, 2- agitating shaft, 21- cylindrical cavity, the first air inlet of 211-, the first annulus of 22- cylindricality are empty
Chamber, the second air inlet of 221-, 23- the second annulus cylindrical cavity, 231- third air inlet, 3- motor, 4- baffle, the stirring of the upper layer 5-
Paddle, the middle layer 6- agitating paddle, 7- lower layer agitating paddle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is of the existing technology to solve the problems, such as the purpose of the utility model is to provide a kind of self-priming mixing stirring device,
Enable the gas in whipping process of the self-priming agitating device with Multi-stage stirring paddle evenly dispersed, improves gas Liquid Mass Transfer Coefficient
And reaction rate.
The utility model provides a kind of self-priming mixing stirring device, including cylinder, motor and is mounted among the cylinder
Agitating shaft, the output shaft of the motor couples with the top of the agitating shaft；Mutual isolation is provided among the agitating shaft
Cylindrical cavity, the first annulus cylindrical cavity and the second annulus cylindrical cavity, the agitating shaft top is provided with and the circle
Cylindrical cavity connection the first air inlet, the second air inlet be connected to the first annulus cylindrical cavity and with it is described second justify
The third air inlet of Ring-cylindrical cavity connection, the agitating shaft lower part is from top to bottom successively installed with and the second annulus cylindricality
The upper layer agitating paddle of cavity connection, the middle layer agitating paddle that is connected to the first annulus cylindrical cavity and with the cylindrical cavity
Lower layer's agitating paddle of connection is provided with several ventholes on the upper layer agitating paddle, middle layer agitating paddle and lower layer's agitating paddle,
The aperture of first air inlet is greater than the aperture of second air inlet, and the aperture of second air inlet is greater than the third
The aperture of air inlet.
The utility model self-priming mixing stirring device can be such that gas is uniformly dispersed into liquid in stirring overshoot, mention
High gas Liquid Mass Transfer Coefficient and reaction rate.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
As shown in Figure 1, the present embodiment self-priming mixing stirring device includes cylinder 1, motor 3 and is mounted among cylinder 1
The output shaft of agitating shaft 2, motor 3 couples with the top of agitating shaft 2, and motor 3 can drive agitating shaft 2 to rotate.
The cylindrical cavity 21 mutually completely cut off, the first annulus cylindrical cavity 22 and the second annulus are provided among agitating shaft 2
Cylindrical cavity 23, cylindrical cavity 21, the first annulus cylindrical cavity 22 and the second annulus cylindrical cavity 23 are coaxial；First annulus column
The diameter of shape cavity 22 is greater than the diameter of cylindrical cavity 21, and the diameter of the second annulus cylindrical cavity 23 is greater than the first annulus cylindricality
The diameter of cavity 22；The cross-sectional area of cylindrical cavity 21 is greater than the cross-sectional area of the first annulus cylindrical cavity 22, the first annulus
The cross-sectional area of cylindrical cavity 22 is greater than the cross-sectional area of the second annulus cylindrical cavity 23；The height of cylindrical cavity 21 is greater than the
The height of the height of one annulus cylindrical cavity 22, the first annulus cylindrical cavity 22 is greater than the cylindrical height of the second annulus.
2 top of agitating shaft is from top to bottom arranged at intervals with the first air inlet 211 being connected to cylindrical cavity 21, with first
The second air inlet 221 that annulus cylindrical cavity 22 is connected to and the third air inlet 231 being connected to the second annulus cylindrical cavity 23, the
The aperture of one air inlet 211 is greater than the aperture of the second air inlet 221, and the aperture of the second air inlet 221 is greater than third air inlet 231
Aperture.The quantity of the first air inlet 211, the second air inlet 221 and third air inlet 231 is several in the present embodiment
A, all first air inlets 211 are respectively positioned on same level and are uniformly arranged along the circumferential direction of agitating shaft 2, likewise, all second
Air inlet 221 is respectively positioned on same level and is uniformly arranged along the circumferential direction of agitating shaft 2, and all third air inlets 231 are respectively positioned on together
One horizontal plane and be uniformly arranged along the circumferential direction of agitating shaft 2, it is notable that need to guarantee all first air inlets 211 always into
Gas area is greater than total air inlet area of all second air inlets 221, and total air inlet area of all second air inlets 221 is greater than all
The air inlet area of third air inlet 231, the quantity of the first air inlet 211, the second air inlet 221 and third air inlet 231 can be with
The setting of adaptability is carried out as needed.
2 lower part of agitating shaft be from top to bottom successively installed with the upper layer agitating paddle 5 being connected to the second annulus cylindrical cavity 23, with
The middle layer agitating paddle 6 of first annulus cylindrical cavity 22 connection and the lower layer's agitating paddle 7 being connected to cylindrical cavity 21, upper layer stirring
Several ventholes are provided on paddle 5, middle layer agitating paddle 6 and lower layer's agitating paddle 7.Upper layer agitating paddle 5,6 and of middle layer agitating paddle
Venthole on lower layer's agitating paddle 7 is respectively positioned on the side back to blade direction of rotation, and venthole is made to be located at the rear side negative pressure of blade
Area enables to cavity and venthole of the gas more swimmingly in agitating shaft 2 to enter liquid, increases the amount of gas inhalation, and
The spacing of adjacent two layers agitating paddle is 1~1.5 times away from 2 length of agitating shaft of blade tip, guarantee optimal the amount of gas inhalation and
Gas-liquid mixed effect.
Baffle 4 is additionally provided in cylinder 1, the outside of baffle 4 is fixedly connected with the inner wall gap of cylinder 1；Baffle 4 is using complete
Baffle arrangement can be such that the critical speed of agitating paddle declines, and the amount of gas inhalation improves.
The utility model self-priming mixing stirring device during the work time, gas above liquid through the first air inlet 211,
The venthole of cylindrical cavity 21 and lower layer's agitating paddle 7 is flowed into lower liquid, and the gas above liquid is through the second air inlet
221, the venthole of the first annulus cylindrical cavity 22 and middle layer agitating paddle 6 is flowed into the liquid of middle layer, the gas warp above liquid
The venthole of third air inlet 231, the second annulus cylindrical cavity 23 and upper layer agitating paddle 5 is flowed into supernatant liquid；Due to not
It is different with the critical speed of the agitating paddle of submergence, therefore the identical upper layer agitating paddle 5 of revolving speed, middle layer agitating paddle 6 and lower layer stir
Paddle 7 is mixed successively to weaken the suction of gas, and by making total air inlet area of the first air inlet 211 be greater than the second air inlet
221 total air inlet area, total air inlet area of the second air inlet 221 are greater than total air inlet area of third air inlet 231, maintain
The amount of gas inhalation of each layer agitating paddle is substantially the same, to ensure that gas can be evenly spread in liquid, to mention significantly
High gas Liquid Mass Transfer Coefficient and reaction rate.
In the description of the present invention, it should be noted that the orientation of the instructions such as term "top", "upper", "lower", "inner"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have and deposit specific orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are used for description purposes only,
It is not understood to indicate or imply relative importance.
Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above
The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field
As technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up
Described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of self-priming mixing stirring device, it is characterised in that: including cylinder, motor and the stirring being mounted among the cylinder
Axis, the output shaft of the motor couple with the top of the agitating shaft；The cylinder mutually completely cut off is provided among the agitating shaft
Shape cavity, the first annulus cylindrical cavity and the second annulus cylindrical cavity, the agitating shaft top are provided with and the cylindrical empty
Chamber connection the first air inlet, the second air inlet being connected to the first annulus cylindrical cavity and with the second annulus cylindricality
The third air inlet of cavity connection, the agitating shaft lower part is from top to bottom successively installed with to be connected with the second annulus cylindrical cavity
It logical upper layer agitating paddle, the middle layer agitating paddle being connected to the first annulus cylindrical cavity and is connected to the cylindrical cavity
Lower layer's agitating paddle, is provided with several ventholes on the upper layer agitating paddle, middle layer agitating paddle and lower layer's agitating paddle, and described
The aperture of one air inlet is greater than the aperture of second air inlet, and the aperture of second air inlet is greater than the third air inlet
Aperture.
2. self-priming mixing stirring device according to claim 1, it is characterised in that: the cylindrical cavity, the first annulus
Cylindrical cavity and the second annulus cylindrical cavity are coaxial, and the diameter of the first annulus cylindrical cavity is greater than the cylindrical cavity
Diameter, the diameter of the second annulus cylindrical cavity are greater than the diameter of the first annulus cylindrical cavity.
3. self-priming mixing stirring device according to claim 2, it is characterised in that: the cross-sectional area of the cylindrical cavity
Greater than the cross-sectional area of the first annulus cylindrical cavity, the cross-sectional area of the first annulus cylindrical cavity is greater than described second
The cross-sectional area of annulus cylindrical cavity.
4. self-priming mixing stirring device according to claim 2 or 3, it is characterised in that: the height of the cylindrical cavity
Greater than the height of the first annulus cylindrical cavity, the height of the first annulus cylindrical cavity is greater than the second annulus cylindricality
Height.
5. self-priming mixing stirring device according to claim 1, it is characterised in that: the upper layer agitating paddle, middle layer stirring
Venthole on paddle and lower layer's agitating paddle is respectively positioned on the side back to blade direction of rotation.
6. self-priming mixing stirring device according to claim 1, it is characterised in that: the spacing of adjacent two layers agitating paddle is paddle
1~1.5 times of shaft length away from stirring of leaf end.
7. self-priming mixing stirring device according to claim 1, it is characterised in that: first air inlet, the second air inlet
Hole and third air inlet are from top to bottom arranged on the agitating shaft.
8. self-priming mixing stirring device according to claim 1, it is characterised in that: it is additionally provided with baffle in the cylinder,
The outside of the baffle is fixedly connected with the inner wall gap of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092981.7U CN208757574U (en) | 2018-07-11 | 2018-07-11 | A kind of self-priming mixing stirring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092981.7U CN208757574U (en) | 2018-07-11 | 2018-07-11 | A kind of self-priming mixing stirring device |
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| CN208757574U true CN208757574U (en) | 2019-04-19 |
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| CN201821092981.7U Active CN208757574U (en) | 2018-07-11 | 2018-07-11 | A kind of self-priming mixing stirring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841424A (en) * | 2019-11-07 | 2020-02-28 | 江苏科技大学 | Three-section type hypergravity ship tail gas treatment device and working method |
-
2018
- 2018-07-11 CN CN201821092981.7U patent/CN208757574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841424A (en) * | 2019-11-07 | 2020-02-28 | 江苏科技大学 | Three-section type hypergravity ship tail gas treatment device and working method |
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