CN102583793A - High-efficiency surface aerator - Google Patents
High-efficiency surface aerator Download PDFInfo
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- CN102583793A CN102583793A CN2011100097499A CN201110009749A CN102583793A CN 102583793 A CN102583793 A CN 102583793A CN 2011100097499 A CN2011100097499 A CN 2011100097499A CN 201110009749 A CN201110009749 A CN 201110009749A CN 102583793 A CN102583793 A CN 102583793A
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- twisted blade
- vertical
- vertical vane
- surface aerating
- efficient surface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses a high-efficiency surface aerator comprising a hollow shaft and six fan blade groups which are uniformly arranged in the circumferential direction at the lower part of the hollow shaft, wherein each fan blade group consists of a vertical blade and a twisted blade, the six vertical blades are all vertically arranged along the outer side of the hollow shaft, the included angle between two adjacent blades among the six vertical blades is 60 degrees, one twisted blade is arranged between two adjacent vertical blades, the twisted blades are fixed between two adjacent vertical blades in a way of inclining counterclockwise or clockwise, and at least one vent hole is formed on each twisted blade. The high-efficiency surface aerator has a simple structure and a high aeration rate, can form hydraulic jumps, and runs more stably with low energy consumption.
Description
Technical field
The present invention relates to a kind of equipment that does not have in the water treatment plant, particularly relate to a kind of efficient surface aerating machine.
Background technology
Surface aerating machine is to use a kind of device in sewage treatment process, and the gordian technique in WWT is the aeration of oxidation ditch, i.e. oxygenation, and the water body that surface aerating machine when operation impeller is dished out carries out aeration, stirring and mixing.Existing surface aerating machine all is to be made up of 7 or 8 blades, and oxygen-transfer efficiency is basically at 2.1-2.3kgO
2/ kwh.Because the surface aerating machine oxygen-transfer efficiency of 7 or 8 such blades is low, in actual motion, need bigger power to satisfy its functional requirement, so the energy consumption of system is than higher.And a part is horizontally disposed with in the middle of the blade of the impeller of so basically surface aerating machine; Radially the middle part is to the outside general independent plate body that the band upper uplifting angle is set, and the plate body that surface aerating machine although it is so is upturned can promote water and form hydraulic jump, accomplishes stirring, aeration and blended purpose; But owing to what can form hydraulic jump only is that impeller radially arrives outer peripheral raised position in the middle part; Therefore, because the resistance ratios of water is bigger, so blade damages easily; And the hydraulic jump that forms is little, can not reach good stirring and aeration and mixed effect.
Summary of the invention
The present invention accomplishes in order to solve deficiency of the prior art, the purpose of this invention is to provide a kind of simple in structure, oxygenation rate than higher, can form big hydraulic jump, move more stable, the efficient surface aerating machine that energy consumption is lower.
A kind of efficient surface aerating machine of the present invention; Comprise tubular shaft and the six fan leaf groups that evenly are provided with along said tubular shaft lower circumference direction; Said every fan leaf group comprises a slice vertical vane and a slice twisted blade; Said six vertical vanes are all along the outside vertical setting of said tubular shaft, and the angle between adjacent two of said six vertical vanes is 60 °, between said adjacent two vertical vanes the said twisted blade of a slice is set; Said twisted blade is along counterclockwise or CW is downward-sloping is fixed between said adjacent two vertical vanes, and said every twisted blade is provided with at least one ventilating pit.
A kind of efficient surface aerating machine of the present invention can also be:
One side of said twisted blade and the vertical vane upper limb of an adjacent side are fixed, and the opposite side of said twisted blade and adjacent opposite side vertical vane middle part are fixed.
Said twisted blade and the welding of said vertical vane are fixing.
The side angle of said vertical vane tip edge and twisted blade fixed thereon is 5 °-15 °.
The side angle of the tip edge of said vertical vane and twisted blade fixed thereon is 10 °.
The inner edge of said twisted blade and said vertical vane or inboard all are fixed on the said tubular shaft.
Said twisted blade outermost edge and horizontal direction angle are 5 °-25 °.
Said twisted blade outermost edge and horizontal direction angle are 15 °.
Said vertical vane bottom is for being inverted trilateral, and the top of said vertical vane is tetragon, and the inner edge on said vertical vane top is parallel with the outside, and the inner edge height is less than the outside height.
The distance of said vertical vane outermost top to fixing twisted blade outermost end on it is 1/2～3/5 of outside, a said vertical vane top height.
A kind of efficient surface aerating machine of the present invention; Because it comprises tubular shaft and the six fan leaf groups that evenly are provided with along said tubular shaft lower circumference direction; Said every fan leaf group comprises a slice vertical vane and a slice twisted blade; Said six vertical vanes are all along the outside vertical setting of said tubular shaft, and the angle between adjacent two of said six vertical vanes is 60 °, between said adjacent two vertical vanes the said twisted blade of a slice is set; Said twisted blade is along counterclockwise or CW is downward-sloping is fixed between said adjacent two vertical vanes, and said every twisted blade is provided with at least one ventilating pit.Relatively simple for structure so in terms of existing technologies, and adopt the six fan leaf groups that evenly are provided with, these vane group form regular hexagonal section; Therefore, the transient equilibrium of impeller guarantees that more easily the operation of surface aerating machine is also more stable; Air increases in the water inlet body, so oxygen-transfer efficiency is higher.And vane group owing to adopt vertical vane and twisted blade to combine; The blade integral of distortion tilts and distortion is provided with; Therefore water is bigger through the hydraulic jump of the vane group formation of vertical vane and twisted blade formation, and air increases in the water inlet body, and oxygen-transfer efficiency is higher; In actual motion, only need less power just can satisfy its requirement, so system energy consumption is lower.In addition; Tilt because twisted blade belongs to the full wafer distortion, when therefore combining the bigger hydraulic jump of water effect formation with vertical vane, the full wafer twisted blade is stressed; Be not easy as those middle structural instabilities that protruding baffle plate is set of the prior art; Such structure is more stable, and makes more extend the work-ing life of whole vane group, prolongs the work-ing life of whole surface aerating machine.
Description of drawings
Fig. 1 is the efficient surface aerating machine specific embodiment of a present invention synoptic diagram.
Fig. 2 is the efficient surface aerating machine specific embodiment of a present invention vertical view.
Fig. 3 is the vertical vane outside view of the efficient surface aerating machine of invention.
The figure number explanation
1 ... Tubular shaft 2 ... Vertical vane 3 ... Twisted blade
4 ... Ventilating pit
Embodiment
Fig. 1 to Fig. 3 below in conjunction with accompanying drawing does further explain to a kind of efficient surface aerating machine of the present invention.
A kind of efficient surface aerating machine of the present invention; Please refer to Fig. 1 to Fig. 3; Comprise tubular shaft 1 and the six fan leaf groups that evenly are provided with along said tubular shaft 1 lower circumference direction, said every fan leaf group comprises a slice vertical vane 2 and a slice twisted blade 3, and said six vertical vanes 2 are all along said tubular shaft 1 outside vertical setting; The angle of said six vertical vanes 2 between adjacent two is 60 °; Between said adjacent two vertical vanes 2 the said twisted blade 3 of a slice is set, said twisted blade 3 edges counterclockwise or CW is downward-sloping is fixed between said adjacent two vertical vanes 2, and said every twisted blade 3 is provided with at least one ventilating pit 4.During use; Tubular shaft 1 rotating band rotor blade group is with the axis rotation of tubular shaft 1; And then drive and to blow vertical vane 2 and twisted blade 3 rotations, vertical vane 2 and twisted blade 3 form by tubular shaft 1 outer wall to vertical vane 2 radially outermost edge form the pitch angle of complete convexity, current because this protruding pitch angle in rotary course barrier force and form hydraulic jump; This hydraulic jump makes the interior air of water inlet body increase, and carries out oxygenation to water body.Relatively simple for structure so in terms of existing technologies, and adopt the six fan leaf groups that evenly are provided with, these vane group form regular hexagonal section; Therefore, the transient equilibrium of impeller guarantees that more easily the operation of surface aerating machine is also more stable; Air increases in the water inlet body, so oxygen-transfer efficiency is higher.And vane group owing to adopt vertical vane 2 and twisted blade 3 to combine; The blade integral of distortion tilts and distortion is provided with; Therefore water is bigger with the hydraulic jump of the vane group formation of twisted blade 3 formation through vertical vane 2, and air increases in the water inlet body, and oxygen-transfer efficiency is higher; In actual motion, only need less power just can satisfy its requirement, so system energy consumption is lower.In addition; Because belonging to the full wafer distortion, twisted blade 3 tilts; Form protruding pitch angle and also be and wholely extend to the outer most edge place of vertical vane 2 by tubular shaft 1 outer wall place, when therefore combining the bigger hydraulic jump of water effect formation with vertical vane 2, full wafer twisted blade 3 is evenly stressed; Be not easy to occur as of the prior art those wild effect the structure that protruding baffle plate is set that stretches out from the centre; The structure of efficient surface aerating machine of the present invention is more stable, and makes more extend the work-ing life of whole vane group, prolongs the work-ing life of whole surface aerating machine.
A kind of efficient surface aerating machine of the present invention; Please refer to Fig. 1 to Fig. 3; On the basis of technique scheme can also be, vertical vane 2 upper limbs of a side of said twisted blade 3 and an adjacent side be fixed, and the opposite side of said twisted blade 3 and adjacent opposite side vertical vane 2 middle parts are fixed.Of Fig. 1; Left side at twisted blade 3 is fixed together with the upper limb of the vertical vane 2 in the left side that blade is adjacent with this is vertical; And the right side of twisted blade 3 is fixed with vertical vane 2 middle parts on the right side adjacent with this twisted blade 3; Like this, the twisted blade 3 of full wafer forms whole protruding pitch angle with the vertical vane of full wafer 2, and then forms bigger hydraulic jump; The resistance that guarantees water simultaneously is evenly distributed on the pitch angle of vertical vane 2 upper limbs formation comprehensively; Avoid in the picture prior art middle baffle plate because of stressed excessive the fracture or rimose phenomenon generation, and then prolonged the work-ing life of vertical vane 2, further prolonged the life-span of whole surface aerating machine.Further optimized technical scheme is that said twisted blade 3 is fixing with said vertical vane 2 welding.The fixing stability that can guarantee twisted blade 3 and vertical vane 2 of welding.Further optimized technical scheme is that the tip edge of said vertical vane 2 and the side angle of twisted blade 3 fixed thereon are 5 °-15 °, i.e. β angle among Fig. 3.Such advantage is to make that the whole hydraulic performance of surface aerating machine is relatively good, and the side angle of the tip edge of most preferably said vertical vane 2 and twisted blade fixed thereon 3 is 10 °.Advantage is to make that the whole hydraulic performance of surface aerating machine is best.
A kind of efficient surface aerating machine of the present invention please refer to Fig. 1 to Fig. 3, can also be on the basis of technique scheme, and the inner edge or the inboard that are specially said twisted blade 3 and said vertical vane 2 all are fixed on the said tubular shaft 1.Such structure guarantees that all good fastness ground of twisted blade 3 and vertical vane 2 is fixed on the tubular shaft 1, together rotates with twisted blade 3 and then promotes water formation hydraulic jump so that drive vertical vane 2 during tubular shaft 1 rotation, stirs, aeration and mixing.
A kind of efficient surface aerating machine of the present invention please refer to Fig. 1 to Fig. 3, can also be on the basis of technique scheme, and said twisted blade 3 outermost edge and horizontal direction angle are 5 °-25 °.The α angle that the outermost edge of twisted blade 3 and horizontal direction angle are as shown in fig. 1, its angle are 5 °-25 °.This angle guarantees that the bigger and oxygen-transfer efficiency of the hydraulic jump that forms is than higher.If the α angle is greater than 25 °, so excessive water gets into twisted blade 3 and impacts vertical vanes 2, and the resistance of water is excessive and cause the loss of vertical vane 2 excessive, improves the loss of surface aerating machine itself.If angle is less than 5 °, the hydraulic jump that forms so is just smaller, can not improve oxygen-transfer efficiency, and stirring and the also reduction greatly of blended efficient.And most preferred scheme is that said twisted blade outermost edge and horizontal direction angle are 15 °.The mixing of such surface aerating machine, stirring and oxidation effect are best.
A kind of efficient surface aerating machine of the present invention; Please refer to Fig. 1 to Fig. 3; Can also be on the basis of technique scheme, can also be that said vertical vane 2 bottoms are the inversion trilateral, and the top of said vertical vane 2 is tetragon; The inner edge on said vertical vane 2 tops is parallel with the outside, and the inner edge height is less than the outside height.Form six low high pitch angle of outer rim, center radially like this, further form big hydraulic jump, improve the efficient of stirring, mixing and oxygenation.Further optimized technical scheme is that the distance of said vertical vane 2 outermost tops to fixing twisted blade 3 outermost end on it is 1/2～3/5 of outside, said vertical vane 2 a tops height.Be that the distance of blowing vertical vane 2 outermost tops to fixing twisted blade 3 outermost end on it as shown in Figure 3 is A, and outside, vertical vane 2 tops highly is B, A is 1/2～3/5 of B.Its advantage is to make surface aerating machine vertical vane and twisted blade stressed smaller, reduces the investment of whole support equipment.
Above-mentionedly only several kinds of specific embodiments among the present invention are explained, but can not be as protection scope of the present invention, every equivalence of having done according to the design spirit among the present invention changes or modifies, and all should think to fall into protection scope of the present invention.
Claims (10)
1. efficient surface aerating machine; It is characterized in that: comprise tubular shaft and the six fan leaf groups that evenly are provided with along said tubular shaft lower circumference direction; Said every fan leaf group comprises a slice vertical vane and a slice twisted blade; Said six vertical vanes are all along the outside vertical setting of said tubular shaft, and the angle between adjacent two of said six vertical vanes is 60 °, between said adjacent two vertical vanes the said twisted blade of a slice is set; Said twisted blade is along counterclockwise or CW is downward-sloping is fixed between said adjacent two vertical vanes, and said every twisted blade is provided with at least one ventilating pit.
2. a kind of efficient surface aerating machine according to claim 1 is characterized in that: a side of said twisted blade and the vertical vane upper limb of an adjacent side are fixed, and the opposite side of said twisted blade and adjacent opposite side vertical vane middle part are fixed.
3. a kind of efficient surface aerating machine according to claim 2 is characterized in that: said twisted blade and the welding of said vertical vane are fixing.
4. according to claim 2 or 3 described a kind of efficient surface aerating machines, it is characterized in that: the side angle of the tip edge of said vertical vane and twisted blade fixed thereon is 5 °-15 °.
5. a kind of efficient surface aerating machine according to claim 4 is characterized in that: the side angle of the tip edge of said vertical vane and twisted blade fixed thereon is 10 °.
6. according to claim 1 or 2 or 3 described a kind of efficient surface aerating machines, it is characterized in that: the inner edge of said twisted blade and said vertical vane or inboard all are fixed on the said tubular shaft.
7. according to claim 1 or 2 or 3 described a kind of efficient surface aerating machines, it is characterized in that: said twisted blade outermost edge and horizontal direction angle are 5 °-25 °.
8. a kind of efficient surface aerating machine according to claim 7 is characterized in that: said twisted blade outermost edge and horizontal direction angle are 15 °.
9. according to claim 2 or 3 described a kind of efficient surface aerating machines; It is characterized in that: said vertical vane bottom is for being inverted trilateral; The top of said vertical vane is tetragon, and the inner edge on said vertical vane top is parallel with the outside, and the inner edge height is less than the outside height.
10. a kind of efficient surface aerating machine according to claim 9 is characterized in that: the distance of said vertical vane outermost top to fixing twisted blade outermost end on it is 1/2～3/5 of outside, a said vertical vane top height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100097499A CN102583793B (en) | 2011-01-05 | 2011-01-05 | High-efficiency surface aerator |
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|---|---|---|---|
| CN2011100097499A CN102583793B (en) | 2011-01-05 | 2011-01-05 | High-efficiency surface aerator |
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| CN102583793A true CN102583793A (en) | 2012-07-18 |
| CN102583793B CN102583793B (en) | 2013-11-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143287A (en) * | 2011-12-06 | 2013-06-12 | 沈阳铝镁设计研究院有限公司 | High performance backward bent stirring paddle with circular arc surface |
| CN105771721A (en) * | 2016-03-15 | 2016-07-20 | 浙江理工大学 | Stirring device capable of retarding settlement of solid particles |
Citations (6)
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|---|---|---|---|---|
| US4074953A (en) * | 1976-05-31 | 1978-02-21 | Ingenieursbureau Dwars, Heederik En Verhey B.V. | Surface aerator |
| KR0125581Y1 (en) * | 1995-09-19 | 1998-10-01 | 이동주 | Impeller structure of aerator for sewage water treatment |
| JP2000015075A (en) * | 1998-07-03 | 2000-01-18 | Satake Chemical Equipment Mfg Ltd | Agitation blade and its agitator |
| WO2006057560A1 (en) * | 2004-11-26 | 2006-06-01 | Andries Visser | Apparatus and method for aerating wastewater |
| CN101244873A (en) * | 2008-03-14 | 2008-08-20 | 安徽国祯环保节能科技股份有限公司 | Aeration machine impeller |
| CN202007159U (en) * | 2011-01-05 | 2011-10-12 | 金科水务工程(北京)有限公司 | Efficient surface aerator |
-
2011
- 2011-01-05 CN CN2011100097499A patent/CN102583793B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074953A (en) * | 1976-05-31 | 1978-02-21 | Ingenieursbureau Dwars, Heederik En Verhey B.V. | Surface aerator |
| KR0125581Y1 (en) * | 1995-09-19 | 1998-10-01 | 이동주 | Impeller structure of aerator for sewage water treatment |
| JP2000015075A (en) * | 1998-07-03 | 2000-01-18 | Satake Chemical Equipment Mfg Ltd | Agitation blade and its agitator |
| WO2006057560A1 (en) * | 2004-11-26 | 2006-06-01 | Andries Visser | Apparatus and method for aerating wastewater |
| CN101244873A (en) * | 2008-03-14 | 2008-08-20 | 安徽国祯环保节能科技股份有限公司 | Aeration machine impeller |
| CN202007159U (en) * | 2011-01-05 | 2011-10-12 | 金科水务工程(北京)有限公司 | Efficient surface aerator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143287A (en) * | 2011-12-06 | 2013-06-12 | 沈阳铝镁设计研究院有限公司 | High performance backward bent stirring paddle with circular arc surface |
| CN105771721A (en) * | 2016-03-15 | 2016-07-20 | 浙江理工大学 | Stirring device capable of retarding settlement of solid particles |
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| CN102583793B (en) | 2013-11-13 |
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Denomination of invention: High-efficiency surface aerator Effective date of registration: 20170523 Granted publication date: 20131113 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: GreenTech Water Engineering Co., Ltd. Registration number: 2017990000430 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100102 2 floor, block C, 203, Luo wa building, two district, Li Ze Zhong garden, Wangjing, Chaoyang District, Beijing. Patentee after: Jinke environmental Limited by Share Ltd Address before: 100102 2 floor, block C, 203, Luo wa building, two district, Li Ze Zhong garden, Wangjing, Chaoyang District, Beijing. Patentee before: GreenTech Water Engineering Co., Ltd. |
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