CN103127860B - A kind of high-performance arc surface paddle - Google Patents
A kind of high-performance arc surface paddle Download PDFInfo
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- CN103127860B CN103127860B CN201110391981.3A CN201110391981A CN103127860B CN 103127860 B CN103127860 B CN 103127860B CN 201110391981 A CN201110391981 A CN 201110391981A CN 103127860 B CN103127860 B CN 103127860B
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Abstract
The present invention relates to a kind of paddle, be applicable to being uniformly mixed of all kinds of tank diameter of aluminum oxide industry, be particularly useful for a kind of high-performance arc surface paddle to the higher seed precipitation tank of uniformity requirements.Comprise blade, the section of blade is circular arc or approximate circle arc, and the tangential direction that blade meets stream limit is parallel with blade gyratory directions.Advantageous effect of the present invention: 1. stir energy consumption low, the shape of blade surface is arc surface or approximate circle arc shape, and liquid stream changes flow direction gradually when running into blade, and the resistance of generation is less, and energy consumption is reduced.2. mixing effect is good, and the tangential direction of blade top edge is parallel with blade direction of rotation, effectively reduces the liquid stream flowed out from blade top edge, improves blade whipping performance; 3. the limit that goes out to flow of stirrer paddle bends gradually, parallel with liquid flow movement direction, can reduce the resistance to liquid stream, reduce power consumption further.40% is reduced with same specification hinged joint oar phase specific energy consumption.
Description
Technical field
The present invention relates to a kind of paddle, be applicable to being uniformly mixed of all kinds of tank diameter of aluminum oxide industry, be particularly useful for a kind of high-performance arc surface paddle to the higher seed precipitation tank of uniformity requirements.There is high mixture homogeneity, low energy consumption, low sheraing, good suppression precipitation feature.
Background technology
Present stage, in aluminium oxide hydrometallurgy production process, all kinds of tank diameter adopts paddle agitating device usually, and paddle form is hinged joint oar.Blade as Fig. 1 hinged joint oar 6 is flat, has angle with the surface of revolution, about 30 ° ~ about 45 °, and incline direction is contrary with liquid stream direction of rotation.During work, central shaft drives paddle to do circumference rotation, and liquid moves downward along blade lean direction.Liquid stream turns round and descending motion under the drive of paddle, completes the mix and blend of liquid.There is following problem in hinged joint oar, (1) due to hinged joint paddle blade be a clinoplain, liquid stream is transferred suddenly when running into blade, produces larger resistance; (2) fluid is running into after blade flow direction transfers, and be not all discharge from blade bottom, but major part is discharged from blade bottom, also has small part to discharge from blade top, whipping performance is reduced.Therefore, the mixing effect of hinged joint oar and energy consumption index all lower.
Summary of the invention
The present invention, for solving the problems of the technologies described above, provides a kind of high-performance arc surface paddle, and object makes liquid stream change flow direction gradually when running into blade, rotates produce less resistance to blade; The liquid stream that effective minimizing is flowed out from blade top edge, improves blade whipping performance.
For reaching a kind of high-performance arc surface of above-mentioned purpose the present invention paddle, comprise blade, the section of blade is circular arc or approximate circle arc, and the tangential direction that blade meets stream limit is parallel with blade gyratory directions.
Described blade width narrows outward gradually from root, outer chamfer.
The limit that goes out to flow of described blade bends gradually, parallel with liquid flow movement direction.
The quantity of described blade is 2 ~ 6.
Advantageous effect of the present invention: 1. stir energy consumption low, the shape of blade surface is arc surface or approximate circle arc shape, and liquid stream changes flow direction gradually when running into blade, and the resistance of generation is less, and energy consumption is reduced.2. mixing effect is good, and the tangential direction of blade top edge is parallel with blade direction of rotation, effectively reduces the liquid stream flowed out from blade top edge, improves blade whipping performance; 3. the limit that goes out to flow of stirrer paddle bends gradually, parallel with liquid flow movement direction, can reduce the resistance to liquid stream, reduce power consumption further.40% is reduced with same specification hinged joint oar phase specific energy consumption.
Accompanying drawing explanation
Fig. 1 is existing hinged joint paddle agitating device schematic diagram.
Fig. 2 is existing hinged joint oar cross sectional shape and stirs streamline schematic diagram.
Fig. 3 is the schematic diagram of the present invention in agitating device.
Fig. 4 is paddle cross sectional shape and stirs streamline schematic diagram.
In figure: 1, cell body; 2, shaft; 3, blade; 4, vertical baffle; 5, wheel hub, 6, hinged joint oar; 7, go out to flow limit.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
A kind of high-performance arc surface of the present invention paddle as shown in Figures 3 and 4, comprise blade 3, the section of blade 3 is circular arc or approximate circle arc, makes the shape of blade surface form arc surface or approximate circle arc shape; Blade 3 meets tangential direction and the chamfering parallel with blade 3 gyratory directions on stream limit; Blade 3 width narrows outward gradually from root, outer chamfer; The limit 7 that goes out to flow of blade 3 bends gradually, parallel with liquid flow movement direction.
Wheel hub 5 is for being fixed on shaft 2 by stirrer paddle 3; Shaft 2 is located in cell body 1, and the quantity of blade 3 is 2 ~ 6.Vertical baffle 4 is located on the inwall of cell body 1.
Claims (2)
1. a high-performance arc surface paddle, comprises blade, it is characterized in that the section of blade is circular arc or approximate circle arc, and the tangential direction that blade meets stream limit is parallel with blade gyratory directions; Described blade width narrows outward gradually from root, outer chamfer; The limit that goes out to flow of described blade bends gradually, parallel with liquid flow movement direction.
2. a kind of high-performance arc surface paddle according to claim 1, is characterized in that the quantity of described blade is 2 ~ 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110391981.3A CN103127860B (en) | 2011-12-01 | 2011-12-01 | A kind of high-performance arc surface paddle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110391981.3A CN103127860B (en) | 2011-12-01 | 2011-12-01 | A kind of high-performance arc surface paddle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103127860A CN103127860A (en) | 2013-06-05 |
| CN103127860B true CN103127860B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110391981.3A Active CN103127860B (en) | 2011-12-01 | 2011-12-01 | A kind of high-performance arc surface paddle |
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| CN (1) | CN103127860B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104248923A (en) * | 2013-06-27 | 2014-12-31 | 沈阳铝镁设计研究院有限公司 | Circular arc surface inclined high-performance stirring paddle |
| CN104511255A (en) * | 2013-09-27 | 2015-04-15 | 沈阳铝镁设计研究院有限公司 | Low-energy-consumption high-uniformity combined-blade stirring device |
| CN103760066B (en) * | 2014-01-08 | 2017-09-22 | 煤炭科学技术研究院有限公司 | A kind of high temperature high pressure liquid device for measuring viscosity and measuring method |
| CN106890580B (en) * | 2017-03-17 | 2019-12-13 | 刘飞 | traditional Chinese medicine paste formula stirring head |
| CN107008174B (en) * | 2017-05-31 | 2023-01-31 | 上海涵欧制药设备有限公司 | Paddle structure of efficient mixer |
| CN112246209A (en) * | 2020-10-23 | 2021-01-22 | 安徽瑞旭搅拌设备有限公司 | Stirrer for reaction kettle under condition of no baffle |
| CN113666773A (en) * | 2021-08-25 | 2021-11-19 | 武汉拓材科技有限公司 | Method for plating silicon carbide film on crucible for preparing high-purity material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201855679U (en) * | 2011-01-10 | 2011-06-08 | 常州乔尔塑料有限公司 | Build-in propeller structure in vacuum reaction kettle suitable for preparing amino moulding compound |
| CN201880507U (en) * | 2010-12-13 | 2011-06-29 | 郑州九冶三维化工机械有限公司 | Wear-resisting stirring blade |
-
2011
- 2011-12-01 CN CN201110391981.3A patent/CN103127860B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201880507U (en) * | 2010-12-13 | 2011-06-29 | 郑州九冶三维化工机械有限公司 | Wear-resisting stirring blade |
| CN201855679U (en) * | 2011-01-10 | 2011-06-08 | 常州乔尔塑料有限公司 | Build-in propeller structure in vacuum reaction kettle suitable for preparing amino moulding compound |
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| Publication number | Publication date |
|---|---|
| CN103127860A (en) | 2013-06-05 |
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