CN103241847B - Ultramicropore aerator for sewage treatment - Google Patents
Ultramicropore aerator for sewage treatment Download PDFInfo
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- CN103241847B CN103241847B CN201310193989.8A CN201310193989A CN103241847B CN 103241847 B CN103241847 B CN 103241847B CN 201310193989 A CN201310193989 A CN 201310193989A CN 103241847 B CN103241847 B CN 103241847B
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- aerator
- aeration
- disc
- ultra
- aeration tube
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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 an ultramicropore aerator for sewage treatment. The ultramicropore aerator comprises an aeration disc, an aeration tube and an air pipeline, wherein a support base is arranged below the aeration disc; one end of the aeration tube is communicated with the aeration disc through a central hole of the support base; an aerator base is arranged on the air pipeline; the other end of the aeration tube is communicated with the air pipeline through the aerator base; a sealing ring is arranged at the joint of the aeration disc and the support base; the aeration disc is provided with uniformly distributed aeration pores; the apertures of the aeration pores range from 50-75 mu m; and the aeration tube and the aerator base are in threaded connection. Compared with a common micropore aerator, the ultramicropore aerator is greatly improved in oxygenation property, and has the advantages of high working continuity, good material quality, good stability and the like.
Description
Technical field
The present invention relates to a kind of sewage disposal device, particularly, relate to a kind of sewage disposal ultra-microporous aerator, belong to technical field of sewage.
Background technology
The aerating system of sewage work is maximum power consumption link, accounts for the 50-70% of total energy consumption.The oxygenation capacity that improves aerator is the effective means that reduces sewage work's aerating system energy consumption.Therefore, researching and developing high performance micro-hole aerator is very important.
Now, the widely used micro-hole aerator of sewage work aperture is generally between 150-200 μ m.The Air Bubble Size that aerator produces is determined by aperture.In general, bubble is less, and gas-to-liquid contact area is larger, is conducive to oxygen transfer.Yet the micro-hole aerator aperture that present most of sewage works are used is larger, oxygenation capacity is generally on the low side.In addition, the manufacture craft of existing micro-hole aerator is more coarse, and the give vent to anger homogeneity in degree of uniformity, stability and aperture of prepared product is poor.
Chinese patent No.98250750.X discloses a kind of micro-hole aerator.According to the prepared aerated product of this patent, be in use difficult to meet energy-conservation requirement.
Summary of the invention
The object of this invention is to provide a kind of ultra-microporous aerator, compare with common micro-hole aerator, this ultra-microporous aerator oxygenation capacity significantly improves, and has that work continuity is strong, material good and the advantage such as good stability.
Sewage disposal provided by the invention is characterised in that with ultra-microporous aerator, comprises aeration disc, aeration tube and air line, and described aeration disc has supporting seat, and aeration tube one end is communicated with aeration disc by supporting seat centre hole; Described air line is provided with aerator base, and the aeration tube the other end is communicated with air line by aerator base; Described aeration disc and supporting seat junction are provided with sealing-ring, and described aeration disc is provided with equally distributed solarization air cap, and its solarization air cap aperture is between 50-75 μ m.
Preferably, described aeration disc is protruding disc-shaped structure.
Preferably, described supporting seat is spill disk structure, and centre is provided with circular hole, and mate with the diameter of aeration tube in aperture, and aeration tube is communicated with aeration disc by this circular hole.
More preferably, described supporting seat is that hard PVC material is made.
Preferably, between aeration tube, aerator base and air line, with tapered thread connector, connect.
Preferably, described ultra-microporous aerator disc, is prepared from by following composition and according to given massfraction.
More preferably, described brown corundum is 150-180 object corundum sand, and described binding agent is dextrin; Described pore former is wood chip.
The preparation method of ultra-microporous aerator disc of the present invention, comprises the following steps;
1. batch mixing: binding agent and brown corundum aggregate and solid-state clout are mixed, then with watering can in proportion toward (the 100g batch mixing: 5g water) of spraying water in batch mixing.Old 24 hours of batch mixing after water spray, crosses 10 mesh sieves, standby.
2. moulding: step standby batch mixing is 1. added in model, and vibrations ramming to two model closes up the rear demoulding dry (the aeration draught animals keeps flat) upward.
3. dry: under 80 ℃ of conditions, dry 4-5 hour.
4. loading of kiln: the 60 order white fused alumina sand on firing plane upper berth, work in-process aerator is placed in plane and with sand and has enclosed surrounding according to mouth mode upward, pack in kiln.
5. burn till: the speed with 1 ℃/min is warming up to 1000 ℃, then be incubated 2 to 3h after being warming up to 1350 ℃ with the speed of 1.5 ℃/min, naturally cool to room temperature.
Particularly, the present invention adopts the technology mode of particle packing pore-forming.Particle packing technique is the subparticle that adds same composition in aggregate, utilizes subparticle to be easy to the feature of sintering, at high temperature liquefies, thereby aggregate is coupled together.In process of producing product, in aggregate, add wood chip, pore-forming after wood chip burnouts.Adopt aforesaid way to prepare ultra-microporous aerator of the present invention, by adjusting the means such as big or small uniformity coefficient, binding material and pore former ratio of aggregate size, particles of aggregates, can control the performances such as pore size, size distribution uniformity coefficient and intensity of aerator.Usually, aggregate size is larger, and the porous ceramics mean pore size of formation is just larger, and linear; Particles of aggregates size is more even, and the air vent aperture of generation is less, distributes more even.
According to the present invention, the ultra-microporous aerator aperture of preparation is little and even, and aeration oxygen transfer efficiency is significantly increased.
According to the present invention, corundum aeration disc adopts 150-180 order emergy high-temperature firing to form, and evenly, drilling diameter is between 50-75 μ m in punching.Select 150-180 order palm fibre corundum as main material, be equipped with silicon powder, Suzhou soil, dextrin and wood chip etc., adopt the technology mode preparation of particle packing pore-forming.
According to the present invention, the ultra-microporous aerator of invention can effectively reduce the energy consumption of sewage work, and can be applied on sewage treatment process that oxygen-consumption is larger.
According to the present invention, adopt sintering technology, can be made into have very strong tension anti-pressure ability, the uniform ultra-microporous aerator in aperture.
According to the present invention, by reducing aerator aperture, can effectively improve the self-closing performance of aerator.After aeration finishes, can prevent from that sewage is counter to flow among corundum-aerator, improve running situation, improved the work-ing life of aerator.
Accompanying drawing explanation
Fig. 1 is according to a kind of sewage disposal ultra-microporous aerator structural representation of the present invention.
Fig. 2 is preparation technology's schema of ultra-microporous aerator disc for sewage disposal according to the present invention.
Embodiment
Referring to accompanying drawing 1, according to embodiments of the invention, sewage disposal comprises aeration disc 1, aeration tube 4 and air line 7 with ultra-microporous aerator, and described aeration disc 1 has the supporting seat 3 that hard PVC material is made; Described aeration disc 1 is protruding disc-shaped structure; Described supporting seat 3 is spill disk structure; Described aeration disc 1 and supporting seat 3 junctions are provided with sealing-ring 2, and aeration tube 4 one end are communicated with aeration disc 1 by the centre hole of supporting seat 3; The aperture of described centre hole and the diameter of aeration tube match; Described air line 7 is provided with aerator base 6, and aeration tube 4 the other ends are communicated with air line 7 by aerator base 6, and aeration disc 1 is provided with equally distributed solarization air cap, and its solarization air cap aperture is between 50-75 μ m, and the bubble diameter producing is 0.5～1mm.
According to the present invention, corundum ultra-microporous aerator selects 150-180 order palm fibre corundum as main material, be equipped with silicon powder, Suzhou soil, dextrin and wood chip etc., adopt the technology mode preparation of particle packing pore-forming, pore size, distribution consistency degree and the stability of product are all greatly improved.Adopt aperture, porosity, the oxygenation capacity of pressing mercury, Archimedes's drainage, clear water oxygenation capacity method of testing test microvia aerator, etc.
aeration disc Preparation Example 1
Raw materials quality per-cent formula is as follows:
| Palm fibre corundum | Binding agent | Suzhou soil | Feldspar | Silicon powder | Calcium carbonate | Talcum | Pore former | Water |
| 64.7 | 6.3 | 3.3 | 2.6 | 2.6 | 0.7 | 2.0 | 13.2 | 4.6 |
aeration disc Preparation Example 2
Raw materials quality per-cent formula is as follows:
| Palm fibre corundum | Binding agent | Suzhou soil | Feldspar | Silicon powder | Calcium carbonate | Talcum | Pore former | Water |
| 68.4 | 5.7 | 4.2 | 1.9 | 2.3 | 0.8 | 1.5 | 11.4 | 3.8 |
Raw materials character and source:
Corundum sand: 150～180 orders, purity more than 95%, entrusts respectively Gongyi City prosperous polish abrasive sandblast factory, Milky Way water-purifying material company limited to produce
Silicon powder: 300 orders, Huzhou, Zhejiang high purity silica powder factory produces
Suzhou soil: 300 orders, China Kaolin Co., Ltd produces
Feldspar: 325 orders, the prosperous nonmetalliferous ore of Linxiang City, Hunan Province China is produced
Lightweight CaCO
3: 300 orders, Shanghai calcium carbonate factory produces
Talcum: 300 orders, Qingzhou talcum powder factory produces
Dextrin: 300 orders, Zhengzhou Jin Feng reaches Chemicals company limited and produces
Wood chip: pore former, 160 orders, Shandong incense manufactory produces
Embodiment 1 and 2 preparation method:
1. batch mixing: binding agent and brown corundum aggregate and solid-state clout are mixed, then spray water in batch mixing according to the above ratio with watering can.Old 24 hours of batch mixing after water spray, crosses 10 mesh sieves, standby.
2. moulding: step standby batch mixing is 1. added in model, and vibrations ramming to two model closes up the rear demoulding dry (the aeration draught animals keeps flat) upward.
3. dry: under 80 ℃ of conditions, dry 4-5 hour.
4. loading of kiln: the 60 order white fused alumina sand on firing plane upper berth, work in-process aerator is placed in plane and with sand and has enclosed surrounding according to mouth mode upward, pack in kiln.
5. burn till: the speed with 1 ℃/min is warming up to 1000 ℃, then be incubated 2 to 3h after being warming up to 1350 ℃ with the speed of 1.5 ℃/min, naturally cool to room temperature.
Aerator disc finished product character:
According to the present invention, corundum microporous aerator disc adopts 150～180 order emergy high-temperature firings to form, and aperture is between 50～75 μ m, and the bubble diameter producing is 0.5～1mm.
Particularly, the material of aeration disc of the present invention is brown corundum, and adopts the technology mode preparation of particle packing pore-forming.
Particularly, adopting the brown corundum of different stage is aggregate, adds appropriate meltable binding agent, utilizes the method for vibratory compaction, and at suitable temperature, (1300～1400 ℃) burn till.Adopt and press mercury, Archimedes's drainage, clear water oxygenation capacity method of testing respectively the aperture of goods, porosity, oxygenation capacity etc. to be tested, the properties of prepared brown corundum-aerator all shows excellence.
A kind of sewage disposal of the present invention is with the Performance Ratio of ultra-microporous aerator and common micro-hole aerator:
Claims (7)
1. a sewage disposal ultra-microporous aerator, is characterized in that, comprises aeration disc, aeration tube and air line, and described aeration disc has supporting seat, and aeration tube one end is communicated with aeration disc by supporting seat centre hole; Described air line is provided with aerator base, and the aeration tube the other end is communicated with air line by aerator base; Described aeration disc and supporting seat junction are provided with sealing-ring; Described aeration disc is provided with equally distributed solarization air cap, and its aperture is between 50-75 μ m;
Described aerator disc is prepared from by following composition and according to given mass percent;
2. ultra-microporous aerator according to claim 1, is characterized in that, described aeration disc is protruding disc-shaped structure.
3. ultra-microporous aerator according to claim 1, is characterized in that, described supporting seat is spill disk structure, and centre is provided with circular hole, and mate with the diameter of aeration tube in aperture, and aeration tube is communicated with aeration disc by this circular hole.
4. ultra-microporous aerator according to claim 3, is characterized in that, described supporting seat is made by hard PVC material.
5. ultra-microporous aerator according to claim 1, is characterized in that, between aeration tube and aerator base, with screw-type, is connected.
6. ultra-microporous aerator according to claim 1, is characterized in that, described brown corundum is 150-180 object corundum sand; Described binding agent is dextrin; Described pore former is wood chip.
7. ultra-microporous aerator according to claim 1, is characterized in that, described preparation method comprises the following steps:
1. batch mixing: binding agent and brown corundum aggregate and solid-state clout are mixed, then with watering can in 100g batch mixing: the ratio of 5g water is sprayed water in batch mixing; Old 24 hours of batch mixing after water spray, crosses 10 mesh sieves, standby;
2. moulding: step standby batch mixing is 1. added in model, and it is dry that vibrations ramming to two model closes up the rear demoulding, and the aeration draught animals keeps flat upward;
3. dry: under 80 ℃ of conditions, dry 4-5 hour;
4. loading of kiln: the 60 order white fused alumina sand on firing plane upper berth, work in-process aerator is placed in plane and with sand and has enclosed surrounding according to mouth mode upward, pack in kiln;
5. burn till: the speed with 1 ℃/min is warming up to 1000 ℃, then be incubated 2 to 3h after being warming up to 1350 ℃ with the speed of 1.5 ℃/min, naturally cool to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310193989.8A CN103241847B (en) | 2013-05-22 | 2013-05-22 | Ultramicropore aerator for sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310193989.8A CN103241847B (en) | 2013-05-22 | 2013-05-22 | Ultramicropore aerator for sewage treatment |
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| CN103241847A CN103241847A (en) | 2013-08-14 |
| CN103241847B true CN103241847B (en) | 2014-07-16 |
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| CN201310193989.8A Expired - Fee Related CN103241847B (en) | 2013-05-22 | 2013-05-22 | Ultramicropore aerator for sewage treatment |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103535316A (en) * | 2013-10-18 | 2014-01-29 | 海南海研热带海水鱼类良种场 | Litopenaeus vannamei outdoor culture device with aeration nanotubes connected with PVC (polyvinyl chloride) tubes |
| CN103771840A (en) * | 2014-01-24 | 2014-05-07 | 宜兴市诗画环保有限公司 | Ozone diffuser and preparation process thereof |
| CN105000658A (en) * | 2015-09-01 | 2015-10-28 | 卢润湖 | Manufacturing method of ultramicropore aerator for sewage treatment |
| CN105130026A (en) * | 2015-09-01 | 2015-12-09 | 卢润湖 | Super-microporous aerator for sewage treatment |
| CN105494232B (en) * | 2016-01-13 | 2018-11-20 | 奉新县绿康水质净化科技有限公司 | Ultra micro nanospray air stone and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073155A (en) * | 1991-12-14 | 1993-06-16 | 国营苏北砂轮厂 | Micro porous aeration head and manufacture method thereof |
| CN1028443C (en) * | 1991-07-16 | 1995-05-17 | 郭宝山 | Air compressor for vehicle |
| RU2060972C1 (en) * | 1991-10-14 | 1996-05-27 | Петр Владимирович Плотников | Installation for river water aeration in winter time |
| CN101885604A (en) * | 2010-06-25 | 2010-11-17 | 宜兴市溢洋水工业有限公司 | Method for preparing corundum microporous aerator pipe |
| CN101982428A (en) * | 2010-10-22 | 2011-03-02 | 中国人民大学 | Ultramicropore aerator used for high organic load sewage treatment |
-
2013
- 2013-05-22 CN CN201310193989.8A patent/CN103241847B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1028443C (en) * | 1991-07-16 | 1995-05-17 | 郭宝山 | Air compressor for vehicle |
| RU2060972C1 (en) * | 1991-10-14 | 1996-05-27 | Петр Владимирович Плотников | Installation for river water aeration in winter time |
| CN1073155A (en) * | 1991-12-14 | 1993-06-16 | 国营苏北砂轮厂 | Micro porous aeration head and manufacture method thereof |
| CN101885604A (en) * | 2010-06-25 | 2010-11-17 | 宜兴市溢洋水工业有限公司 | Method for preparing corundum microporous aerator pipe |
| CN101982428A (en) * | 2010-10-22 | 2011-03-02 | 中国人民大学 | Ultramicropore aerator used for high organic load sewage treatment |
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