CN214764606U - Solid-liquid mixing stirring paddle - Google Patents
Solid-liquid mixing stirring paddle Download PDFInfo
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- CN214764606U CN214764606U CN202022936172.3U CN202022936172U CN214764606U CN 214764606 U CN214764606 U CN 214764606U CN 202022936172 U CN202022936172 U CN 202022936172U CN 214764606 U CN214764606 U CN 214764606U
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Abstract
The utility model belongs to the technical field of agitated vessel, concretely relates to solid-liquid mixing stirring rake, including wheel hub and two piece at least main paddle leaf, main paddle leaf utilizes the slope of blade connecting block to install at wheel hub's circumferential surface, and main paddle leaf includes upside, downwarping curved surface and the plane of downside, planar outside limit is equipped with the auxiliary blade who turns over a book downwards. The inclination angle and chord width of the curved surface part of the utility model are gradually changed, so that the pumping action of the paddle blade along the whole length is uniform and the optimal speed effect is obtained at each point on the paddle blade; the upper part of the main blade adopts a curved surface, so that the high-efficiency downward pumping action is generated by the minimum driving force, the smooth motion of a fluid medium is finally obtained, and the energy consumption is reduced; the lower area of the main blade is a plane, so that the main blade and the blade connecting block can be fixed conveniently, and the manufacturing cost is reduced; the auxiliary blades are adopted to enhance the central suction effect of the blades, so that poor mixing in the central area of the stirring bottom is effectively eliminated, and central deposition is prevented.
Description
Technical Field
The utility model belongs to the technical field of agitated vessel, concretely relates to solid-liquid mixing stirring rake.
Background
High efficiency of the paddles has been a goal sought by the stirring industry. The stirring paddle is an important part of stirring equipment, and a good stirring paddle can greatly improve the stirring efficiency, shorten the reaction time, improve the yield of finished products, improve the product quality and the like.
Disclosure of Invention
The utility model aims at providing a solid-liquid mixing stirring rake when guaranteeing stirring efficiency, has guaranteed the low energy efficiency.
According to the technical scheme of the utility model, solid-liquid mixing stirring rake, including wheel hub and two piece at least main paddle leaf, main paddle leaf utilizes the slope of blade connecting block to install at wheel hub's circumferential surface, and main paddle leaf includes upside, downwarping curved surface and the plane of downside, planar outside limit is equipped with the auxiliary blade who turns over a downwards.
Furthermore, the chord width of the curved surface gradually becomes narrower after gradually widening along the length direction of the main blade, and the inclination angle of the curved surface gradually becomes smaller along the length direction of the main blade.
Furthermore, the plane extends from the inner end of the curved surface to the outside of the middle part, and the area of the plane is 1/4 of the area of the main blade.
Furthermore, the blade connecting block comprises a first connecting plate and a second connecting plate, the first connecting plate is connected with the inner end of the plane, the second connecting plate is perpendicular to the first connecting plate, and the inner end faces of the first connecting plate and the second connecting plate are connected with the hub.
Furthermore, the inclination angle of the joint of the inner end of the main blade and the hub is 45 degrees.
Further, the curved surface is a cylindrical curved surface or a conical curved surface.
Further, the length of the auxiliary blade is 1/2 of the length of the lower side of the main blade.
Furthermore, the included angle between the auxiliary blade and the end face of the hub is 45-90 degrees.
The beneficial effects of the utility model reside in that:
the inclination angle and the curved chord width of the curved surface part of the main blade along the length direction of the blade are changed, so that the pumping action of the blade along the whole length is uniform, and the optimal speed effect is obtained at each point on the blade;
the upper area of the main blade is a cylindrical curved surface or a conical curved surface, and the curved surface of the blade faces downwards, so that the high-efficiency downward pumping action is generated by the minimum driving force, the smooth motion of a fluid medium is finally obtained, and the energy consumption is reduced;
the lower area of the main blade is a plane, so that the main blade and the blade connecting block can be fixed conveniently, and the manufacturing cost is reduced;
the main blade is provided with the auxiliary blade, the included angle between the auxiliary blade and the end face of the hub is 45-90 degrees, so that the central suction effect of the blade is enhanced, poor mixing in the central area of the stirring bottom is effectively eliminated, and central deposition is prevented.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is an axonometric view of the present invention.
Description of reference numerals: 1-hub, 2-blade connecting block, 3-main blade, 3.1-curved surface, 3.2-plane and 4-auxiliary blade.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
As shown in the figure: the utility model provides a solid-liquid mixing stirring rake, installs in the jar internally, includes wheel hub 1 and two piece at least main paddle leaf 3, and wheel hub 1 center is equipped with the mounting hole that is used for connecting the (mixing) shaft. The diameter ratio of the stirring paddle to the tank body is 0.25-0.75, and when the diameter ratio is 0.35-0.45, an optimal flow field is achieved. The main blades 3 are obliquely mounted on the circumferential surface of the hub 1 by means of blade connection blocks 2, and in the illustrated embodiment, the main blades 3 are three pieces and are uniformly welded on the circumferential surface of the hub 1. The main blade 3 comprises an upper curved surface 3.1 and a lower plane 3.2, the curved surface 3.1 can be a cylindrical curved surface or a conical curved surface, and preferably, the arc length of the curved surface 3.1 is 0.4-0.6 times of the overall diameter of the stirring paddle. And an auxiliary blade 4 which is turned downwards is arranged on the outer side edge of the inner end of the plane 3.2.
Specifically, the chord width of the curved surface 3.1 gradually becomes narrower after gradually widening along the length direction of the main blade 3, and the inclination angle of the curved surface 3.1 gradually becomes smaller along the length direction of the main blade 3, so that the pumping action of the blade along the whole length is uniform, and the optimal speed effect is obtained at each point on the blade. The plane 3.2 extends from the inner end of the curved surface 3.1 to the outside of the middle part, the area of the plane 3.2 is 1/4 of the area of the main blade 3, and the area of the curved surface 3.1 is 3/4 of the area of the main blade 3. The blade connecting block 2 comprises a first connecting plate at the inner end of a connecting plane 3.2 and a second connecting plate perpendicular to the first connecting plate, the inner end faces of the first connecting plate and the second connecting plate are connected with the hub 1, and the blade connecting block 2 is connected to the plane structure. The inclination angle of the connection between the inner end of the main blade 3 and the hub 1 is 45 degrees, that is, the inclination angle between the inner end surface of the plane 3.2 and the end surface of the hub 1 is 45 degrees. The length of the auxiliary blade 4 is 1/2 of the length of the lower side of the main blade 3, the included angle between the auxiliary blade 4 and the end face of the hub 1 is 45-90 degrees, so that the central suction effect of the blades is enhanced, poor mixing in the central area of the stirring bottom is effectively eliminated, central deposition is prevented, and preferably, the included angle is 90 degrees.
The utility model discloses simple structure, the cost of manufacture is low, and it is good to mix the effect, and the energy consumption is low, can avoid central deposit simultaneously.
Claims (8)
1. The utility model provides a solid-liquid mixing stirring rake, includes wheel hub (1) and two piece at least main paddle (3), its characterized in that, main paddle (3) utilize blade connecting block (2) slope to install on the circumferential surface of wheel hub (1), main paddle (3) include upside, curved surface (3.1) and plane (3.2) of downside of downwarping, the outside limit of plane (3.2) is equipped with auxiliary blade (4) of turning over downwards.
2. The solid-liquid mixing propeller of claim 1, wherein the chord width of the curved surface (3.1) gradually increases and then gradually decreases along the length direction of the main blade (3), and the inclination angle of the curved surface (3.1) gradually decreases along the length direction of the main blade (3).
3. The solid-liquid mixing paddle of claim 1 wherein the flat surface (3.2) extends from the inner end of the curved surface (3.1) to the outside of the middle portion, the area of the flat surface (3.2) being 1/4 of the area of the main paddle blade (3).
4. The solid-liquid mixing paddle of claim 1 wherein the blade connection block (2) comprises a first connection plate connecting the inner ends of the planes (3.2) and a second connection plate perpendicular to the first connection plate, the inner end faces of the first and second connection plates being connected to the hub (1).
5. The solid-liquid mixing paddle of claim 1, wherein the angle of inclination of the junction of the inner end of the main paddle (3) and the hub (1) is 45 °.
6. The solid-liquid mixing paddle of claim 1 wherein the curved surface (3.1) is a cylindrical or conical surface.
7. The solid-liquid mixing paddle of claim 1 wherein the length of the auxiliary blade (4) is 1/2 of the length of the lower side of the main blade (3).
8. The solid-liquid mixing paddle of claim 1, wherein the angle between the auxiliary blade (4) and the end face of the hub (1) is 45 ° to 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022936172.3U CN214764606U (en) | 2020-12-09 | 2020-12-09 | Solid-liquid mixing stirring paddle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022936172.3U CN214764606U (en) | 2020-12-09 | 2020-12-09 | Solid-liquid mixing stirring paddle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214764606U true CN214764606U (en) | 2021-11-19 |
Family
ID=78710693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022936172.3U Active CN214764606U (en) | 2020-12-09 | 2020-12-09 | Solid-liquid mixing stirring paddle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214764606U (en) |
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2020
- 2020-12-09 CN CN202022936172.3U patent/CN214764606U/en active Active
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