CN201942561U - Vertical surface aerator flow guide of oxidation ditch - Google Patents
Vertical surface aerator flow guide of oxidation ditch Download PDFInfo
- Publication number
- CN201942561U CN201942561U CN2010206485056U CN201020648505U CN201942561U CN 201942561 U CN201942561 U CN 201942561U CN 2010206485056 U CN2010206485056 U CN 2010206485056U CN 201020648505 U CN201020648505 U CN 201020648505U CN 201942561 U CN201942561 U CN 201942561U
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- Prior art keywords
- inducer
- oxidation ditch
- machine
- vertical
- vertical 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 utility model discloses a vertical surface aerator flow guide of an oxidation ditch. The flow guide comprises the oxidation ditch, wherein the middle part of the oxidation ditch is provided with a partition wall; an aerator is fixedly arranged in the oxidation ditch in front of the partition wall; the flow guide is characterized in that: a water inflow or outflow end in the oxidation ditch is provided with a flow guide; the flow guide is fixedly arranged on the partition wall through supporting rods and comprises an inflow end flow guide sheet and an outflow end flow guide sheet; and the inflow end flow guide sheet and the outflow end flow guide sheet are positioned at the water inflow end and the water outflow end respectively. The flow guide has a simple structure and is convenient to mount and use; obstructed water flow is guided in the same direction as the main water flow movement direction in a pool or at an included acute angle with the main water flow movement direction through the horizontal flow guide sheet so as not to conflict with the main water flow direction to enhance a plug-flow effect; meanwhile, the water flow is guided to the lower layer of the pool water through the vertical flow guide sheet, so that the residence time of bubbles in the water can be prolonged, and an aeration effect is enhanced.
Description
Technical field
The utility model relates generally to the aerator of the oxidation ditch in the sewage disposal, relates in particular to the vertical surface aeration fluid director of machine of a kind of oxidation ditch.
Background technology
The aerator of oxidation ditch in the existing sewage disposal plays oxygenation, mixing, promotion current and circulates effect, if flow velocity is lower than 0.3 meter per second, causes active sludge to deposit easily.Oxidation ditch aeration equipment is mainly surface aeration equipment, is divided into transverse axis aerator (as aeration turn plate, commentaries on classics brush) and vertical surface aeration machine etc.Vertical surface aeration machine is meant the mechanical impeller surface aeration machine of the inversed umbrella type that uses in the sewage disposal, pump type, plate, crown-shaped and other vertical axis.Vertical surface aeration machine is generally to be used for oxidation ditch such as Carrousel, and general every ditch is installed one, places its load-carrying capacity of an end of reaction tank strong, allows bigger ditch depth (4-5m), is applicable to the sewage work of big flow, uses comparatively extensive.
The prior art oxidation ditch, be equilibrium table underflow speed, improve oxidation ditch bottom velocity and dissolved oxygen, generally one or more tilting or vertical flow deflector is being set across oxidation ditch, whole flow deflector is block length side's plate, can porose or comb type tooth on the plate, by flow deflector whole or part surface current are pressed down, reach and strengthen the bottom of trench flow velocity, improve water-soluble oxygen, generally be used in transverse axis aerator such as aeration turn plate, the oxidation ditch of commentaries on classics brush etc. is more, and because impeller vane promotion and centrifugal action, current flow out with certain angle along the aeration machine impeller turning direction, and the surface produces radiation shape eddy flow.And in the oxidation ditch current totally press certain orientation mobile, at total water stream upstream end, surface emissivity shape eddy flow direction is opposite with the total water current direction, so form the choked flow district, influence the overall flow of oxidation ditch, reduce flow velocity, and at the main current impeller end (outflow end) of wandering about as a refugee, because the divider wall barrier effect, current form surperficial oxygen-rich area, have influenced plug-flow and oxidation effect.
The utility model content
The purpose of this utility model is in order to remedy the deficiency of prior art, provide a kind of oxidation ditch vertical surface aeration fluid director of machine, block water flowed through, and identical or its angle is an acute angle to horizontal inducer with main water movement direction in the current deflecting pond, no longer conflict mutually with main water (flow) direction, increase the plug-flow effect, current are through vertical inducer, with the lower floor of current deflecting Chi Shui simultaneously, can increase bubble residence time in water, increase oxidation effect.
The utility model is achieved through the following technical solutions:
The vertical surface aeration fluid director of machine of a kind of oxidation ditch, include oxidation ditch, described oxidation ditch middle part is provided with partition wall, the oxidation ditch internal fixing in described partition wall the place ahead is equipped with aerator, it is characterized in that: current upstream end or outflow end in the described oxidation ditch are provided with director, described director is fixedly mounted on the partition wall by support bar, described director includes and flows into end inducer and outflow end inducer, and inflow holds inducer and outflow end inducer to lay respectively at current upstream end and current outflow end.
The vertical surface aeration fluid director of machine of described oxidation ditch, it is characterized in that: described aerator is vertical surface aeration machine, includes the aerator of inversed umbrella type, pump type, plate, crown-shaped and other vertical axis machinery impeller surface.
The vertical surface aeration fluid director of machine of described oxidation ditch is characterized in that: the inflow end inducer of described director and inflow end inducer are respectively apart from aeration machine impeller blade outer end size 10-1500mm.
The vertical surface aeration fluid director of machine of described oxidation ditch is characterized in that: described inflow end inducer includes horizontal inducer and vertical inducer, and horizontal inducer is respectively straight plate, arc, S shape plate, V shaped slab or spherical plate with vertical inducer.
The vertical surface aeration fluid director of machine of described oxidation ditch is characterized in that: described outflow end inducer includes horizontal inducer and vertical inducer, and horizontal inducer is respectively straight plate, arc, S shape plate, V shaped slab or spherical plate with vertical inducer.
The vertical surface aeration fluid director of machine of described oxidation ditch is characterized in that: the horizontal inducer of described inflow end below is provided with division board.
The vertical surface aeration fluid director of machine of described oxidation ditch is characterized in that: described inflow end inducer and outflow end inducer use simultaneously, or use separately.
The vertical surface aeration fluid director of machine of described oxidation ditch is characterized in that: described horizontal inducer and vertical inducer use simultaneously, or use separately.
Its principle of work: director is positioned at current upstream end and outflow end, director is fixed on the midfeather with installing to support, flow into end at current and be provided with inducer with outflow end, divide horizontal inducer and vertical inducer, current are angled on inducer and the horizontal plane, main water movement direction in the current deflecting pond is identical or its angle is arranged is acute angle, no longer conflict mutually with main water (flow) direction, increase the plug-flow effect; Flow into the horizontal inducer of end and can be provided with division board down, the heavy-oxygen-enriched water of the impeller release anoxic water with the bottom is separated; Simultaneously can be provided with vertical inducer,, can increase bubble residence time in water, increase oxidation effect the lower floor of current deflecting Chi Shui.
Various inducers are for can be straight plate, arc plate, V shaped slab, S shape plate, also can be spherical plate etc., flowing into end can use simultaneously with outflow end two portions inducer, also can distinguish separately and use, horizontal inducer and vertical inducer can use simultaneously, also can distinguish separately and use.Current flow under the horizontal inducer of end can be provided with division board, also can not use division board.
The utility model has the advantages that:
The utility model is simple in structure, easy to install, block water flowed through, and identical or its angle is an acute angle to horizontal inducer with main water movement direction in the current deflecting pond, no longer conflict mutually with main water (flow) direction, increase the plug-flow effect, current are through vertical inducer simultaneously, with the lower floor of current deflecting Chi Shui, can increase bubble residence time in water, increase oxidation effect.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment
Referring to accompanying drawing, the vertical surface aeration fluid director of machine of a kind of oxidation ditch, include oxidation ditch 8, oxidation ditch 8 middle parts are provided with partition wall 9, oxidation ditch 8 internal fixing in partition wall 9 the place aheads are equipped with the vertical surface aeration machine of umbellate form, the current upstream end or the outflow end of oxidation ditch 8 are provided with director, director is fixedly mounted on the partition wall 9 by support bar 7, director includes and flows into end inducer and outflow end inducer, the inflow end inducer of director and inflow end inducer are respectively apart from aeration machine impeller blade outer end size 500mm, and flow into end inducer and outflow end inducer and lay respectively at current upstream end and current outflow end, described inflow end inducer includes horizontal inducer 2 and vertical inducer 3, and horizontal inducer 2 is respectively straight plate with vertical inducer 3, described outflow end inducer includes horizontal inducer 5 and vertical inducer 6, and horizontal inducer 5 is respectively straight plate with vertical inducer 6, and the horizontal inducer of described inflow end 2 belows are provided with division board 4.
During use, described inflow end inducer and outflow end inducer use simultaneously, or use described horizontal inducer and vertical inducer to use simultaneously separately, or use separately.For better water conservancy diversion effect is arranged, the nearly impeller end end points of inducer is being on the circle in the center of circle with the impeller center, and is consistent or close apart from the impeller outer distance of round.Vertical inducer can be higher than the water surface, also can be positioned at below the water surface, and the vertical surface aeration fluid director of machine of oxidation ditch current flow into the end inducer and the spout inducer can use simultaneously, also can distinguish separately and use.
Claims (8)
1. vertical surface aeration fluid director of machine of oxidation ditch, include oxidation ditch, described oxidation ditch middle part is provided with partition wall, the oxidation ditch internal fixing in described partition wall the place ahead is equipped with aerator, it is characterized in that: current upstream end or outflow end in the described oxidation ditch are provided with director, described director is fixedly mounted on the partition wall by support bar, described director includes and flows into end inducer and outflow end inducer, and inflow holds inducer and outflow end inducer to lay respectively at current upstream end and current outflow end.
2. the vertical surface aeration fluid director of machine of oxidation ditch according to claim 1, it is characterized in that: described aerator is vertical surface aeration machine, includes the aerator of inversed umbrella type, pump type, plate, crown-shaped and other vertical axis machinery impeller surface.
3. the vertical surface aeration fluid director of machine of oxidation ditch according to claim 1 is characterized in that: the inflow end inducer of described director and inflow end inducer are respectively apart from aeration machine impeller blade outer end size 10-1500mm.
4. the vertical surface aeration fluid director of machine of oxidation ditch according to claim 1, it is characterized in that: described inflow end inducer includes horizontal inducer and vertical inducer, and horizontal inducer is respectively straight plate, arc, S shape plate, V shaped slab or spherical plate with vertical inducer.
5. the vertical surface aeration fluid director of machine of oxidation ditch according to claim 1, it is characterized in that: described outflow end inducer includes horizontal inducer and vertical inducer, and horizontal inducer is respectively straight plate, arc, S shape plate, V shaped slab or spherical plate with vertical inducer.
6. the vertical surface aeration fluid director of machine of oxidation ditch according to claim 4 is characterized in that: the horizontal inducer of described inflow end below is provided with division board.
7. the vertical surface aeration fluid director of machine of oxidation ditch according to claim 1 is characterized in that: described inflow end inducer and outflow end inducer use simultaneously, or use separately.
8. according to claim 4 or the vertical surface aeration fluid director of machine of 5 described oxidation ditches, it is characterized in that: described horizontal inducer and vertical inducer use simultaneously, or use separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206485056U CN201942561U (en) | 2010-12-08 | 2010-12-08 | Vertical surface aerator flow guide of oxidation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206485056U CN201942561U (en) | 2010-12-08 | 2010-12-08 | Vertical surface aerator flow guide of oxidation ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201942561U true CN201942561U (en) | 2011-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206485056U Expired - Lifetime CN201942561U (en) | 2010-12-08 | 2010-12-08 | Vertical surface aerator flow guide of oxidation ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201942561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538631A (en) * | 2021-12-28 | 2022-05-27 | 江苏大学镇江流体工程装备技术研究院 | Flow guide optimizing device for inverted umbrella type aerator |
| CN114716034A (en) * | 2022-03-24 | 2022-07-08 | 南京科技职业学院 | Submersible centrifugal aerator and dissolved oxygen adjusting method thereof |
-
2010
- 2010-12-08 CN CN2010206485056U patent/CN201942561U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538631A (en) * | 2021-12-28 | 2022-05-27 | 江苏大学镇江流体工程装备技术研究院 | Flow guide optimizing device for inverted umbrella type aerator |
| CN114716034A (en) * | 2022-03-24 | 2022-07-08 | 南京科技职业学院 | Submersible centrifugal aerator and dissolved oxygen adjusting method thereof |
| CN114716034B (en) * | 2022-03-24 | 2022-11-29 | 南京科技职业学院 | Submersible centrifugal aerator and dissolved oxygen adjusting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110824 |