CN202490711U - Cyclone-type Venturi jet aeration nozzle - Google Patents
Cyclone-type Venturi jet aeration nozzle Download PDFInfo
- Publication number
- CN202490711U CN202490711U CN2011203167520U CN201120316752U CN202490711U CN 202490711 U CN202490711 U CN 202490711U CN 2011203167520 U CN2011203167520 U CN 2011203167520U CN 201120316752 U CN201120316752 U CN 201120316752U CN 202490711 U CN202490711 U CN 202490711U
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- China
- Prior art keywords
- sewage
- throat
- diffusion
- cyclone
- deflector
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 238000005273 aeration Methods 0.000 title claims abstract description 23
- 239000010865 sewage Substances 0.000 abstract description 15
- 239000007788 liquid Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009792 diffusion process Methods 0.000 abstract description 7
- 239000010802 sludge Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000007921 spray Substances 0.000 abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 239000000839 emulsion Substances 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000005276 aerator Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- COCAUCFPFHUGAA-MGNBDDOMSA-N n-[3-[(1s,7s)-5-amino-4-thia-6-azabicyclo[5.1.0]oct-5-en-7-yl]-4-fluorophenyl]-5-chloropyridine-2-carboxamide Chemical compound C=1C=C(F)C([C@@]23N=C(SCC[C@@H]2C3)N)=CC=1NC(=O)C1=CC=C(Cl)C=N1 COCAUCFPFHUGAA-MGNBDDOMSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
本实用新型涉及一种旋流型文丘里射流曝气喷嘴，包括收缩管、喉管、吸气口、扩散管、导流板等部分，其中，根据工艺情况，焊接在扩散管内侧的导流板设置3～10片且沿内侧均匀分布。来自射流泵的压力水(含活性污泥、污水)高速流过喉管时形成负压，空气通过吸气口被吸入高速水流，并在喉管内与污水、活性污泥激烈混合形成固(活性污泥)、气(空气)、液(污水)三相均质乳化液喷射水流，并从扩散管内在导流板的引导下，成螺旋扩散状喷流而出。均质乳化液自扩散管喷出后，在曝气池内紊动的水体中旋流前进，继续传质作用，延长了微小气泡在污水中的停留时间，从而实现持续高效的曝气效果。本实用新型采用不锈钢制作，结构简单，使用方便。
The utility model relates to a swirl type Venturi jet aeration nozzle, which includes shrinkage pipes, throat pipes, suction ports, diffusion pipes, deflectors and other parts. Set 3 to 10 plates and distribute them evenly along the inner side. When the pressurized water (including activated sludge and sewage) from the jet pump flows through the throat at high speed, a negative pressure is formed, and the air is sucked into the high-speed water flow through the suction port, and is violently mixed with sewage and activated sludge in the throat to form solid (active sludge). Sludge), gas (air), liquid (sewage) three-phase homogeneous emulsion sprays water, and from the diffusion tube under the guidance of the deflector, it sprays out in a spiral diffusion shape. After the homogeneous emulsion is sprayed from the diffusion tube, it swirls forward in the turbulent water body in the aeration tank, and continues the mass transfer function, prolonging the residence time of the tiny air bubbles in the sewage, so as to achieve continuous and efficient aeration effect. The utility model is made of stainless steel, has simple structure and is convenient to use.
Description
Technical field
The utility model relates to a kind of cyclone-type venturi jet-flow aeration nozzle, belongs to technical field of sewage.
Background technology
The jet-flow aeration mode has quite widely and uses at sewage treatment area, and wherein, the use of Venturi tube jet aerator is very general.The characteristics of Venturi tube jet aerator are: simple in structure, energy consumption is low, is difficult for stopping up; Working pressure range is wide, and working depth is unrestricted; Atomizing of liquids (sewage, or the mixture of sewage and mud) just with certain flow velocity through the trunnion between collapsible tube and the anemostat time as long as forming very little pressure reduction can produce negative pressure and suck air, if be equipped with air blast, then gas, the liquid mixed effect can be higher.
But; The nozzle of Venturi tube jet aerator is when forming injection stream in the market; All adopted the plug-flow spray regime, this moment is bigger from the right water resistance of the gas-liquid injection stream interface of venturi anemostat, and the existence of this back pressure; Be unfavorable for the quick formation of venturi air entry negative pressure, also be unfavorable for fully mixing of gas and liquid.
Summary of the invention
The utility model relates to a kind of cyclone-type venturi jet-flow aeration nozzle, is intended to through existing Venturi nozzle is improved, for sewage disposal provides a kind of nozzle of jet-flow aeration more efficiently.
Cyclone-type venturi jet-flow aeration nozzle comprises collapsible tube, trunnion, air entry, anemostat, it is characterized in that also comprising that deflector, deflector are welded on the anemostat inboard.
The gas-liquid mixed effect of conventional venturi jet-flow aeration nozzle is mainly leaned on and is realized that through the rate of flow of fluid of trunnion speed is big more, and the mixed effect of gas and liquid is good more.The utility model has increased deflector in the anemostat inboard of common Venturi nozzle; 3～10 deflectors and the evenly distribution along the deflector inboard are set in the anemostat; Sewage through behind the trunnion anemostat is inner form injection stream in because the guide functions of deflector, injection stream is in the process of spraying forward rapidly; Form screw type and spray current, i.e. eddy flow.Spray current than pulling flow type; The waterpower back pressure that spiral-flow type is sprayed current is littler; Micro-bubble in the injection stream becomes helical type diffusion track in the process of advancing; The turbulent stirring action that this has just prolonged the time of contact of bubble and liquid and has strengthened micro-bubble and sewage, gas-liquid mixed thereby more abundant, aeration effect are therefore better.
The beneficial effect that a kind of cyclone-type venturi of the utility model jet-flow aeration nozzle is implemented is: improved the formed injection stream progression of conventional venturi jet-flow aeration nozzle; The aeration efficient and the coefficient of oxygen utilization of jet aerator have been improved; Make the aeration better effects if under the jet-flow aeration mode, the waterpower mixing effect is stronger.
Description of drawings
A kind of cyclone-type venturi of Fig. 1 jet-flow aeration structure of nozzle sketch map.
Fig. 2 is the left view of Fig. 1.
Wherein: 1-collapsible tube, 2-air entry, 3-trunnion, 4-anemostat, 5-deflector.
The specific embodiment
A kind of cyclone-type venturi of the utility model jet-flow aeration nozzle shown in accompanying drawing, comprising: collapsible tube 1; Air entry 2, trunnion 3, anemostat 4; Parts such as deflector 5; Wherein deflector 5 is welded on anemostat 4 inboards, can be set to 3～10 and evenly distribution (left side figure is 2 sketch mapes in the accompanying drawing, and right figure is 4 sketch mapes) according to process conditions; Begin the end (deflector 5 is a linear pattern in the accompanying drawing) of type or parabolic type spiral to anemostat 4 linearly along the inboard of anemostat 4 from trunnion 3 and anemostat 4 intersections.
The utility model is when implementing; When getting into trunnion 3 through collapsible tube 1 from the press water (containing activated sludge, sewage) of jet pump; Flow velocity is accelerated because of pipeline shrinks suddenly; Form negative pressure when high-velocity flow flows through trunnion 3, air is inhaled into high-velocity flow through air entry 2 under action of negative pressure, and (activated sludge), gas (air), liquid (sewage) three-phase emulsifying liquid spray current admittedly in trunnion 3, to mix formation with sewage, activated sludge fierceness; And from anemostat 4 under the guiding of deflector 5, become spiral diffusion type jet flow and go out.After 4 ejections of emulsifying liquid self-diffusion pipe, eddy flow advances in the water body of turbulent fluctuation in the aeration tank, continues effect of mass transmitting, has prolonged the time of staying of micro-bubble in sewage, thereby realizes sustainable high efficiency aeration effect.
The utility model adopts the manufacturings of SUS304, SUS316 or SUS316L stainless steel material, has stronger corrosion-resistant, wear-resisting, heatproof, resistance to compression and oxidation resistance.
Claims (2)
1. cyclone-type venturi jet-flow aeration nozzle comprises collapsible tube, trunnion, air entry, anemostat, it is characterized in that also comprising that deflector, deflector are welded on the anemostat inboard.
2. cyclone-type venturi jet-flow aeration nozzle according to claim 1 is characterized in that being provided with in the described anemostat 3～10 deflectors and the evenly distribution along the deflector inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203167520U CN202490711U (en) | 2011-08-29 | 2011-08-29 | Cyclone-type Venturi jet aeration nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203167520U CN202490711U (en) | 2011-08-29 | 2011-08-29 | Cyclone-type Venturi jet aeration nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202490711U true CN202490711U (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203167520U Expired - Lifetime CN202490711U (en) | 2011-08-29 | 2011-08-29 | Cyclone-type Venturi jet aeration nozzle |
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| CN (1) | CN202490711U (en) |
Cited By (30)
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| CN103058435A (en) * | 2012-10-22 | 2013-04-24 | 中国能源建设集团广东省电力设计研究院 | Method for circularly processing hot boiler flue gas and desulfurization wastewater |
| CN104761067A (en) * | 2015-03-18 | 2015-07-08 | 上海爱地环保技术有限公司 | Jet aerator emitting swirling jet flow |
| CN105435721A (en) * | 2014-09-24 | 2016-03-30 | 中国石油大学(北京) | Hydration reactor and method for separating methane in coalbed methane-air mixture by using same |
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| CN105498485A (en) * | 2014-09-24 | 2016-04-20 | 中国石油大学(北京) | Separation method of methane from coal bed methane-air mixture and system thereof |
| CN106277150A (en) * | 2016-09-07 | 2017-01-04 | 珠海巨涛海洋石油服务有限公司 | Microbubble aerator and using method thereof are selected in a kind of oil-water process air supporting |
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| CN109550418A (en) * | 2018-12-04 | 2019-04-02 | 浙江大学 | A kind of cyclone-type microbubble generator and gas-liquid reactor |
| CN109731494A (en) * | 2018-12-31 | 2019-05-10 | 北京环域生态环保技术有限公司 | A kind of generating device and method of micro-nano bubble |
| CN109731491A (en) * | 2018-08-21 | 2019-05-10 | 北京环域生态环保技术有限公司 | A kind of double-current micro-nano bubble method for generation of jetting type and device of clashing |
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| CN110375816A (en) * | 2019-07-25 | 2019-10-25 | 广东工业大学 | A kind of Venturi tube fluidic device |
| CN111018263A (en) * | 2019-12-30 | 2020-04-17 | 中电环保股份有限公司 | Interface cutting biological purification sewage treatment device |
| CN111039428A (en) * | 2019-12-20 | 2020-04-21 | 江苏优联环境发展有限公司 | Ozone aeration cavity manufacturing method |
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-
2011
- 2011-08-29 CN CN2011203167520U patent/CN202490711U/en not_active Expired - Lifetime
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