CN103331114A - Three-impeller sewage treatment stirrer - Google Patents
Three-impeller sewage treatment stirrer Download PDFInfo
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- CN103331114A CN103331114A CN2013102300631A CN201310230063A CN103331114A CN 103331114 A CN103331114 A CN 103331114A CN 2013102300631 A CN2013102300631 A CN 2013102300631A CN 201310230063 A CN201310230063 A CN 201310230063A CN 103331114 A CN103331114 A CN 103331114A
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Abstract
The invention relates to a three-impeller sewage treatment stirrer. The three-impeller sewage treatment stirrer comprises a submersible motor, a transmission device, a first impeller, a second impeller and a third impeller, wherein the transmission device comprises a first gear shaft, a second gear shaft, a third gear shaft and a fourth gear shaft; one end of the first gear shaft is in transmission connection with a motor shaft of the submersible motor; a first gear is arranged at the other end of the first gear shaft; both ends of the second gear shaft, the third gear shaft and the fourth gear shaft are fixed on a box wall of the transmission device through bearings; a second gear in the middle of the second gear shaft, a third gear in the middle of the third gear shaft and a fourth gear in the middle of the fourth gear shaft are externally meshed with the first gear respectively; the first impeller is arranged at the outer end of the second gear shaft; the second impeller is arranged at the outer end of the third gear shaft; the third impeller is arranged at the outer end of the fourth gear shaft. Under the interaction of the three impellers and the wall of a pool, the stirring width and the stirring depth are obviously increased, and the stirring effect is obviously enhanced; a motor drives the three impellers through the transmission device, so that the three-impeller sewage treatment stirrer is energy-saving, safe and reliable.
Description
Technical field
The present invention relates to the sewage disposal key equipment in the environmental protection field, refer in particular to a kind of novel trilobed wheel sewage disposal mixer.
Background technology
Follow fast urbanization in current china, the city domestic sewage discharge capacity is quick growth.Country pays much attention to sewage disposal and discharging.Surpass discharged volume of industrial waste water from city domestic sewage discharge capacity in 1998, the municipal sewage treatment cause develops rapidly, and at the bottom of the third season in 2011, China has built 3078 of sewage treatment plants, the sewage disposal total capacity reaches 1.36 hundred million tons/day, and the actual treatment ability is about 1.1 hundred million tons/day.The sewage disposal mixer is as main sewage disposal device, and extensive use in sewage treatment plant is the key of sewage treatment plant's energy-saving and emission-reduction to its research.
At present, the domestic sewage disposal mixer that generally uses is the single impeller mixer, namely on a submersible motor impeller is installed, and the number of blade is generally three or two.When the pond dark when big, just can only be in the pond inner suitable position and many sewage disposal mixers of different depth installation, stir jointly and reach the stirring requirement.Set-up time is long, and the step complexity has improved cost.
By retrieval, the relevant at present patent of declaring has: the diving mixer of band cutting function, patent No. 201020295726.X; Fiberglass diving pulling flow type Agitator Impeller, the patent No. 200320126437.7.These patents, main by improving existing blade material, increase the impeller accessory and improve the mixer performance.A kind of sewage disposal mixer, application number 201220286274.8; A kind of sewage disposal mixer, application number 201220277048.3, this two sewage disposal mixer is the novel sewage disposal mixer about two impellers of a motor-driven, but only enlarged the axial advance distance that stirs, increased the stirring area, do not had to solve for the stirring problem than swimmer's pool.
Summary of the invention
The objective of the invention is to overcome the defective that a plurality of sewage disposal mixers need be installed when big in present pond, a kind of novel trilobed wheel sewage disposal mixer is provided, in darker pond, only need a mixer is installed, can reach mixing effect.
A kind of trilobed wheel sewage disposal mixer, comprise submersible motor, the transmission device that links to each other with submersible motor, first impeller, second impeller and trilobed wheel, described transmission device comprises first gear shaft, second gear shaft, the 3rd gear shaft and the 4th gear shaft, described first gear shaft is positioned at the protruding chamber of described transmission device, the motor shaft of described first gear shaft, one end and described submersible motor is in transmission connection, and the other end is provided with first gear; The two ends of described second gear shaft, the 3rd gear shaft and the 4th gear shaft by bearing fixing on the tank wall of described transmission device, the 3rd gear at second gear at described second gear shaft middle part, described the 3rd gear shaft middle part and the 4th gear at described the 4th gear shaft middle part respectively with the described first gear external toothing; The outer end of described second gear shaft is provided with first impeller, and the outer end of described the 3rd gear shaft is provided with second impeller, and the outer end of described the 4th gear shaft is provided with trilobed wheel;
In the such scheme, in order to guarantee the mixer smooth working, machinery keeps relative dynamic equilibrium, three impellers have identical rotating speed, described second gear shaft, described the 3rd gear shaft and described the 4th gear shaft are identical three rooted tooth wheel shafts, and described first impeller, described second impeller and described trilobed wheel are identical three impellers.Simultaneously, described second gear, described the 3rd gear and described the 4th gear are evenly arranged with 120 ° along described first gear in same plane.
For fear of each other interference between three impellers, the distance of the axial line of the described submersible motor axle of the centre-to-centre spacing of described first impeller
L Must be greater than 0.6 times of described first impeller diameter.
The invention has the advantages that: when the present invention stirs sewage, under three impellers and pool wall of pool interaction, the pond has spatially formed six systemic circulations at least, and mixing width, the degree of depth obviously increase, stirred volume will increase greatly, and mixing effect obviously strengthens; Drive three impellers with a motor by transmission device, saved energy, and the device symmetry, the stability height is safe and reliable during operation.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the left view of sewage disposal mixer.
Fig. 2 is the cutaway view of the A-A direction of Fig. 1.
Among the figure, 1 submersible motor, 11 motor shafts, 2 transmission devices, 21 first gear shafts, 211 first gears, 22 second gear shafts, 221 second gears, 23 the 3rd gear shafts, 231 the 3rd gears, 25 protruding chambeies, 3 first impellers, 4 second impellers, 5 trilobed wheels, D are the diameter of first impeller, and L is the distance of the axial line of the described submersible motor axle of the centre-to-centre spacing of first impeller.
The specific embodiment
As depicted in figs. 1 and 2, a kind of trilobed wheel sewage disposal mixer, the transmission device 2 that comprise submersible motor 1, links to each other with submersible motor, first impeller 3, second impeller 4 and the trilobed wheel 5, described transmission device 2 comprises first gear shaft 21, second gear shaft 22, the 3rd gear shaft 23 and the 4th gear shaft, described first gear shaft 21 is positioned at the protruding chamber 25 of described transmission device 2, the motor shaft 11 of described first gear shaft, 21 1 ends and described submersible motor is in transmission connection, and the other end is provided with first gear 211; The two ends of described second gear shaft 22, the 3rd gear shaft 23 and the 4th gear shaft by bearing fixing on the tank wall of described transmission device 2, the 3rd gear 231 at second gear 221 at described second gear shaft middle part, described the 3rd gear shaft middle part and the 4th gear at described the 4th gear shaft middle part respectively with 211 external toothings of described first gear; The outer end of described second gear shaft 22 is provided with first impeller 3, and the outer end of described the 3rd gear shaft 23 is provided with second impeller 4, and the outer end of described the 4th gear shaft is provided with trilobed wheel 5; Described second gear shaft 22, described the 3rd gear shaft 23 and described the 4th gear shaft are identical three rooted tooth wheel shafts, described first impeller 3, described second impeller 4 and described trilobed wheel 5 are identical three impellers, can guarantee that like this mixer machinery keeps relative dynamic equilibrium, reduce vibration, guarantee the mixer smooth working, described second gear 221, described the 3rd gear 231 and described the 4th gear are evenly arranged with 120 ° along described first gear 211 in same plane.Simultaneously, for fear of each other interference between three impellers, the distance of the axial line of the described submersible motor axle of the centre-to-centre spacing of described first impeller
L Must be greater than 0.6 times of described first impeller diameter.
Make earlier the impeller wooden model according to design, adopt sand casting to carry out moulding by casting, wherein adopt ripe pouring technology, strict guarantee casting quality.Cast blade then.And the part to needs processing reserves enough allowance.Choose suitable wheel hub, installing/dismounting and maintenance for convenience crossed bolted to wheel hub with blade pass.The blade shape of impeller 1, impeller 5 and impeller 10 designs according to lift line theory, and it is wing to choose suitable NACA4406-NACA4415, and two broad in the middle is little.Vane thickness is even attenuate from the root to the top, aerofoil profile length evenly shortens from the root to the top, and the runner of this distortion airfoil fan more can meet current streamline characteristic, guarantees good hydraulic, to realize better making water obtain the purpose of more energy to the water acting.
Claims (4)
1. trilobed wheel sewage disposal mixer, it is characterized in that: comprise submersible motor (1), the transmission device that links to each other with submersible motor (2), first impeller (3), second impeller (4) and trilobed wheel (5), described transmission device (2) comprises first gear shaft (21), second gear shaft (22), the 3rd gear shaft (23) and the 4th gear shaft (24), described first gear shaft (21) is positioned at the protruding chamber (25) of described transmission device (2), the motor shaft (11) of described first gear shaft (21) one ends and described submersible motor is in transmission connection, and the other end is provided with first gear (211); The two ends of described second gear shaft (22), the 3rd gear shaft (23) and the 4th gear shaft (24) by bearing fixing on the tank wall of described transmission device (2), the 3rd gear (231) at second gear (221) at described second gear shaft middle part, described the 3rd gear shaft middle part and the 4th gear in the middle part of described the 4th gear shaft respectively with described first gear (211) external toothing; The outer end of described second gear shaft (22) is provided with first impeller (3), and the outer end of described the 3rd gear shaft (23) is provided with second impeller (4), and the outer end of described the 4th gear shaft is provided with trilobed wheel (5).
2. a kind of trilobed wheel sewage disposal mixer according to claim 1, it is characterized in that: described second gear shaft (22), described the 3rd gear shaft (23) and described the 4th gear shaft are identical three rooted tooth wheel shafts, and described first impeller (3), described second impeller (4) and described trilobed wheel (5) are identical three impellers.
3. a kind of trilobed wheel sewage disposal mixer according to claim 2 is characterized in that: described second gear (221), described the 3rd gear (231) and described the 4th gear (241) are evenly arranged with 120 ° along described first gear (211) in same plane.
4. a kind of trilobed wheel sewage disposal mixer according to claim 3 is characterized in that: the distance of the axial line of the described submersible motor axle of the centre-to-centre spacing of described first impeller (3) (1)
L Must be greater than 0.6 times of described first impeller diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102300631A CN103331114A (en) | 2013-06-09 | 2013-06-09 | Three-impeller sewage treatment stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102300631A CN103331114A (en) | 2013-06-09 | 2013-06-09 | Three-impeller sewage treatment stirrer |
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| CN103331114A true CN103331114A (en) | 2013-10-02 |
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| CN2013102300631A Pending CN103331114A (en) | 2013-06-09 | 2013-06-09 | Three-impeller sewage treatment stirrer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929606A (en) * | 2015-04-30 | 2015-09-23 | 中国石油大学(华东) | Continuous semispherical sand mixing device for fracture |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1762081A (en) * | 1930-02-24 | 1930-06-03 | Schleicher George | Beater |
| US2047841A (en) * | 1935-05-23 | 1936-07-14 | Gen Electric | Mixing device |
| CN2393635Y (en) * | 1999-11-01 | 2000-08-30 | 刘小清 | Multi-shaft high speed cutting emulsifier |
| CN201586499U (en) * | 2009-11-23 | 2010-09-22 | 广州兰格电气设备有限公司 | Stirring paddle mechanism of stirring machine |
| CN201768511U (en) * | 2010-06-29 | 2011-03-23 | 刘本宏 | Multi-shaft suspension stirring device |
| CN102489205A (en) * | 2011-12-06 | 2012-06-13 | 广州派勒机械设备有限公司 | Three-arm planetary stirring kneader |
| CN102698629A (en) * | 2012-06-13 | 2012-10-03 | 江苏大学 | Sewage treatment mixer |
| CN102716686A (en) * | 2012-06-18 | 2012-10-10 | 江苏大学 | Sewage treatment mixer |
| CN203291740U (en) * | 2013-06-09 | 2013-11-20 | 江苏大学 | Three-impeller sewage treatment mixer |
-
2013
- 2013-06-09 CN CN2013102300631A patent/CN103331114A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1762081A (en) * | 1930-02-24 | 1930-06-03 | Schleicher George | Beater |
| US2047841A (en) * | 1935-05-23 | 1936-07-14 | Gen Electric | Mixing device |
| CN2393635Y (en) * | 1999-11-01 | 2000-08-30 | 刘小清 | Multi-shaft high speed cutting emulsifier |
| CN201586499U (en) * | 2009-11-23 | 2010-09-22 | 广州兰格电气设备有限公司 | Stirring paddle mechanism of stirring machine |
| CN201768511U (en) * | 2010-06-29 | 2011-03-23 | 刘本宏 | Multi-shaft suspension stirring device |
| CN102489205A (en) * | 2011-12-06 | 2012-06-13 | 广州派勒机械设备有限公司 | Three-arm planetary stirring kneader |
| CN102698629A (en) * | 2012-06-13 | 2012-10-03 | 江苏大学 | Sewage treatment mixer |
| CN102716686A (en) * | 2012-06-18 | 2012-10-10 | 江苏大学 | Sewage treatment mixer |
| CN203291740U (en) * | 2013-06-09 | 2013-11-20 | 江苏大学 | Three-impeller sewage treatment mixer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929606A (en) * | 2015-04-30 | 2015-09-23 | 中国石油大学(华东) | Continuous semispherical sand mixing device for fracture |
| CN104929606B (en) * | 2015-04-30 | 2017-06-09 | 中国石油大学(华东) | Pressure break continous way hemispherical mixing device |
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Application publication date: 20131002 |