CN202265452U - Three-dimensional corner thruster - Google Patents
Three-dimensional corner thruster Download PDFInfo
- Publication number
- CN202265452U CN202265452U CN2011203088209U CN201120308820U CN202265452U CN 202265452 U CN202265452 U CN 202265452U CN 2011203088209 U CN2011203088209 U CN 2011203088209U CN 201120308820 U CN201120308820 U CN 201120308820U CN 202265452 U CN202265452 U CN 202265452U
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- China
- Prior art keywords
- thruster
- dimensional corner
- main body
- corner
- flow
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- Mixers Of The Rotary Stirring Type (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model discloses a three-dimensional corner thruster, which comprises a transmission part, a spindle (4) and a thruster main body (6). The transmission part comprises a parallel shaft bevel wheel speed reducer (1), a motor connection shaft (2) and a pin coupler (3) in sequence from top to bottom. Flow guide blades (7) are evenly distributed on the thruster main body (6), the upper end of the motor connection shaft (2) is connected with the parallel shaft bevel wheel speed reducer (1), the lower end of the motor connection shaft (2) is connected with the spindle (4) through the pin coupler (3), and the spindle (4) is connected with the thruster main body (6). The three-dimensional corner thruster operates in an oxidation ditch or an aeration tank, and enables oxidation ditch mixed liquor to generate a turbulence-free gradient-free constant-speed-flow flow state and not to generate flow speed dead angles or sludge precipitation. In addition, uniform laminar flow generated by the thruster can prolong staying time of air bubbles generated by an aeration system in the oxidation ditch mixed liquor to the maximum extent, thereby improving oxygenating efficiency of the aeration system.
Description
Technical field
The utility model belongs to the sewage disposal device field, relates to a kind of three-dimensional corner thruster, is specifically related to a kind of thruster that is used for oxidation ditch or aeration tank bend.
Background technology
In the urban sewage treatment process; The stirring of mixed solution, hybrid propulsion are critical processes wherein; Mostly that uses at present is the horizontal double bladed paddle of impeller shaft, leafy slurry whisking appliance etc., and the structure formation of these blades is to specific stirring demand; Though all play a role, more or less come with some shortcomings.For example: the stirring region in-situ velocity is excessive, and the plug-flow scope is little, and the mud group of passing impeller is broken easily; There is certain stirring dead angle, causes sludge settling; The fluidised form that the tradition underwater propeller produces be a turbulent flow, and there is backflow in most of zone, backflows, the helical flow phenomenon, and plug-flow zone flow velocity inequality causes energy loss; The air bubble that the underwater propeller helical flow can impel aerating system to produce is fast assembled merging fast, reduces the aerating system oxygen transfer efficiency; Advance the energy consumption that is consumed higher, the higher 5～8W/m that reaches of power density
3In addition, drive-motor, step-down gear safeguard that relatively difficulty, impeller are linked with impurity easily and cause overload fault under water.
The utility model content
The purpose of the utility model is the above-mentioned deficiency to prior art, and a kind of three-dimensional corner thruster is provided.
The purpose of the utility model can realize through following technical scheme:
A kind of three-dimensional corner thruster comprises driving part, main shaft, thruster main body; Driving part is from top to bottom successively by parallel shafts helical speed reduction gear, motor coupling shaft, pin coupler; Be uniformly distributed with guide vane on the described thruster main body; Motor coupling shaft upper end is connected with the parallel shafts helical speed reduction gear; Be connected through pin coupler between motor coupling shaft lower end and the main shaft, main shaft is connected with the thruster main body, drives the thruster main body and in fluid medium, rotates.
Described guide vane is the radiation horn shape, and the sheet number is 12～25, and preferred 15～20, preferred 16.
The angle of the described guide vane and the alignment of shafts is 10 °～30 °.
Described driving part is fixedly installed on the horizontal part of erection bridge, is in water surface top.Support is not established in three-dimensional corner thruster bottom, does not have consumable accessory under water.On the stressed support erection bridge of whole weight.
Described erection bridge also is provided with a vertical corner flow deflector.
Described erection bridge is concrete foundation or Steel Bracket.
Beneficial effect:
The utility model provides a kind of three-dimensional corner thruster that is installed on oxidation ditch or other form aeration tank angle positions; Replace being installed on the underwater propeller of straight channel; Because head loss is minimum on the straight channel, the traditional underwater propeller that is installed on this can only form general puopulsion efficiency.And the nook head loss of oxidation ditch or aeration tank is maximum; The three-dimensional corner thruster of the utility model that is assemblied in this can form the highest puopulsion efficiency; Can thrust power be passed to oxidation ditch or aeration tank section along the channel degree of depth expeditiously, its power density can reach 1.6～2.0W/m
3, energy-conservation reaching more than 50～60%.
The three-dimensional corner thruster of the utility model runs on oxidation ditch and aeration tank, makes mixed solution produce no turbulent flow rate, the balanced fluidised form of gradient; Can not produce the flow velocity dead angle; Can not produce sludge settling,, can not damage the aerator in the pond because of eddy flow because its fluidised form constant speed is steady.The even laminar flow of thruster generation can at utmost prolong the residence time of air bubble in oxidation ditch and aeration tank mixed solution that aerating system produces in addition, improves the oxygen-transfer efficiency of aerating system.
This solid corner thruster power system is installed on the oxidation ditch and the aeration tank water surface, does not have the consumable accessory installation and maintenance very convenient under water.Driving part is connected with main shaft by the motor coupling shaft; Main shaft connects with the thruster main body; The connection of key position adopts pin coupler to connect; Thereby solved the bigger problem of moment moment of torsion when starting, the thruster main body perpendicular to the pond at the bottom of to 4～4.5 meters under water, the bottom has no the dead band with the synchronous plug-flow of the water surface during operation.
The attainable technical superiority of the utility model has: the soft all permanent thrust of three-dimensional depth can be put forward at oxidation ditch and aeration tank in (1), eliminates velocity slope, increases mixing efficiency; (2) perfection of three-dimensional corner thruster incorporates oxidation ditch and aeration tank system, can realize denitration at oxidation ditch and zone, aeration tank; (3) three-dimensional corner thruster is installed in rotation angle position, makes oxidation ditch and aeration tank have more space that aerator is installed; (4) this corner thruster can increase the about 0.5～1.0m of the oxidation ditch depth of water, makes oxidation ditch reduce floor space about 20%; (5) operation of corner thruster does not have aerosol and noise to produce; (6) all more than the water surface, the corner thruster does not have consumable accessory under water for drive-motor, bearing, filling-up area, and parts all adopt long-lived stainless steel to make under water, and long service life is safeguarded simple and convenient.
Description of drawings
Fig. 1, embodiment 1 three-dimensional corner propeller structure synoptic diagram,
1 is the parallel shafts helical speed reduction gear, and 2 is the motor coupling shaft, and 3 is pin coupler, and 4 is main shaft, and 5 is erection bridge, and 5-1 is the horizontal part of erection bridge, and 5-2 is the corner flow deflector, 6 thruster main bodys.
Fig. 2, be the vertical view of the embodiment 1 three-dimensional corner thruster of Fig. 1 along the A-A line,
1 is the parallel shafts helical speed reduction gear, and 2 is the motor coupling shaft, and 3 is pin coupler, and 4 is main shaft, and 5 is erection bridge, and 5-1 is the horizontal part of erection bridge, and 5-2 is the corner flow deflector, 6 thruster main bodys, 7 guide vanes.Dash area among the figure is a concrete-pool-wall.
Embodiment
Embodiment 1
A kind of three-dimensional corner thruster shown in Figure 1 comprises driving part, main shaft 4, the thruster main body 6 be made up of parallel shafts helical speed reduction gear 1, motor coupling shaft 2, pin coupler 3; Be uniformly distributed with guide vane 7 on the described thruster main body 6; Motor coupling shaft 2 upper ends are connected with parallel shafts helical speed reduction gear 1; Be connected through pin coupler 3 between motor coupling shaft 2 lower ends and the main shaft 4, main shaft 4 is connected with thruster main body 6, drives thruster main body 6 and in fluid medium, rotates.
Described guide vane 7 is the radiation horn shape, and the number of blade is 16 (Fig. 2).
Described guide vane 7 and the angle alignment of shafts are for being 15 °.
Erection bridge 5 is made up of horizontal part 5-1 and vertical part corner flow deflector 5-2, is concrete foundation.Described driving part is fixed on the horizontal part 5-1 of erection bridge 5.
Working order is described: drive main shaft 4 by parallel shafts helical speed reduction gear 1 through motor coupling shaft 2; 4 main shaft drives, 6 thruster main bodys are rotated in fluid medium; Be uniformly distributed with 7 guide vanes on the 6 thruster main bodys, in fluid medium, produce one 360 ° flow field during rotation, pass through the reasonable Arrangement of corner flow deflector 2 again; Significantly reduce the current collision that fluid on the corner produces, caused the current loss.
Adopt pin coupler 3 to connect between motor coupling shaft 2 and the main shaft 4, solved the bigger problem of moment moment of torsion when starting, protected axle, thereby improved operating stability of corner thruster and work-ing life.
The utility model runs on oxidation ditch or aeration tank, and the oxidation ditch mixed solution is produced does not have the no gradient constant speed stream of turbulent flow fluidised form, can not produce the flow velocity dead angle, can not produce sludge settling.In addition, the even laminar flow that thruster produces can at utmost prolong the residence time of air bubble in the oxidation ditch mixed solution that aerating system produces, and improves the oxygen-transfer efficiency of aerating system.
Claims (8)
1. a three-dimensional corner thruster is characterized in that comprising driving part, main shaft (4), thruster main body (6); Driving part comprises parallel shafts helical speed reduction gear (1), motor coupling shaft (2), pin coupler (3) from top to bottom successively; Be uniformly distributed with guide vane (7) on the described thruster main body (6); Motor coupling shaft (2) upper end is connected with parallel shafts helical speed reduction gear (1); Be connected through pin coupler (3) between motor coupling shaft (2) lower end and the main shaft (4); Main shaft (4) is connected with thruster main body (6), drives thruster main body (6) and in fluid medium, rotates.
2. three-dimensional corner thruster according to claim 1 is characterized in that described guide vane (7) is 12～25, is the radiation horn shape.
3. three-dimensional corner thruster according to claim 2 is characterized in that described guide vane (7) is 15～20, is the radiation horn shape.
4. three-dimensional corner thruster according to claim 2 is characterized in that described guide vane (7) is 16, is the radiation horn shape.
5. according to each described three-dimensional corner thruster in the claim 2～4, it is characterized in that the described guide vane (7) and the angle of the alignment of shafts are 10 °～30 °.
6. three-dimensional corner thruster according to claim 1 is characterized in that described driving part is fixedly installed on the horizontal part of erection bridge (5) (5-1).
7. three-dimensional corner thruster according to claim 6 is characterized in that described erection bridge (5) also is provided with a vertical corner flow deflector (5-2).
8. three-dimensional corner thruster according to claim 6 is characterized in that described erection bridge (5) is concrete foundation or Steel Bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203088209U CN202265452U (en) | 2011-08-24 | 2011-08-24 | Three-dimensional corner thruster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203088209U CN202265452U (en) | 2011-08-24 | 2011-08-24 | Three-dimensional corner thruster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202265452U true CN202265452U (en) | 2012-06-06 |
Family
ID=46156260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203088209U Expired - Lifetime CN202265452U (en) | 2011-08-24 | 2011-08-24 | Three-dimensional corner thruster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202265452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951726A (en) * | 2011-08-24 | 2013-03-06 | 宜兴市溢洋水工业有限公司 | Stereoscopic corner propeller |
-
2011
- 2011-08-24 CN CN2011203088209U patent/CN202265452U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951726A (en) * | 2011-08-24 | 2013-03-06 | 宜兴市溢洋水工业有限公司 | Stereoscopic corner propeller |
| CN102951726B (en) * | 2011-08-24 | 2015-06-10 | 江苏溢洋水工业有限公司 | Stereoscopic corner propeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU YIYANG WATER INDUSTRY CO., LTD. Free format text: FORMER NAME: YIYANG WATER INDUSTRY CO., LTD., YIXING CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 214201, Wuxi, Jiangsu province Yixing Yicheng talk home dry 115 Patentee after: Jiangsu YiYang Water Industry Co., Ltd. Address before: 214201, Wuxi, Jiangsu province Yixing Yicheng talk home dry 115 Patentee before: Yixing Yiyang Water Industrial Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |