CN102180541A - Aeration device for increasing oxygen utilization ratio of oxidation pond by using coal-based carbon film - Google Patents
Aeration device for increasing oxygen utilization ratio of oxidation pond by using coal-based carbon film Download PDFInfo
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- CN102180541A CN102180541A CN201110080255XA CN201110080255A CN102180541A CN 102180541 A CN102180541 A CN 102180541A CN 201110080255X A CN201110080255X A CN 201110080255XA CN 201110080255 A CN201110080255 A CN 201110080255A CN 102180541 A CN102180541 A CN 102180541A
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- coal
- based carbon
- carbon film
- oxygen utilization
- oxidation pond
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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
Abstract
The invention discloses an aeration device for increasing the oxygen utilization ratio of an oxidation pond by using a coal-based carbon film, relating to an aeration device for increasing the oxygen utilization ratio of the oxidation pond and aiming to solve the problems of low oxygen utilization ratio, high running cost and large building floor area existing in the conventional oxidation pond. The aeration device consists of a coal-based carbon film, support carriers and a pressure sensor, wherein the support carriers are fixed on the coal-based carbon film at the intervals of 0.25-15 centimeters and are made of PVC (Polyvinyl Chloride); the support carriers are fixed in a direction vertical to the coal-based carbon film; and the pressure sensor is arranged on the coal-based carbon film. The aeration device has the advantages of oxygen utilization ratio of about 100 percent, low cost, small investment, high efficiency, good treatment effect and small floor area of the oxygen pond, and is applied to the field of sewage treatment.
Description
Technical field
The present invention relates to a kind of aerating apparatus that improves the oxidation pond oxygen utilization rate.
Background technology
It is a kind of method for processing organic wastewater of efficient economy that aerobe is handled, and also is the method for widespread use in the current water treatment.In aerobe was handled, the amount concentration index of the dissolved oxygen in the water was crucial restrictive condition.Current, oxygen supply of water body is carried out in general many employing mechanical stirring of big-and-middle-sized sewage work and many sewage workss or blast aeration: mechanical stirring is to utilize mechanical means to stir waste water, thereby makes airborne oxygen dissolution be oxygen supply of water body in water; Blast aeration is pressurized gas is transferred to the form of bubble to be realized oxygen supply of water body in the water by being installed in aerator (scatterer) in the aeration tank.A typical sewage work, aeration expends and often accounts for 60%～80% of working cost.Traditional aerator efficient is low excessively, and the not good system that all can make of the control of oxidation pond operation takes place unusually, so the quality of aeration has determined the energy consumption and the treatment effect of biological effluent treatment.In the aeration process, the oxygen supply performance directly has influence on problems such as coefficient of oxygen utilization, the energy and running cost, hydraulic detention time, structures floor space, also be related to what of construction costs and working cost, this is a key issue in the practical application that the aerobe treating water pollutes.
At present biological contact oxidation pond have that oxidation effect is poor, working cost height, dissolved oxygen concentration is not high and oxygen-transfer efficiency is low problem.Urgent need is researched and developed oxygen supply mode efficiently and is remedied these deficiencies.
Summary of the invention
The present invention is that will to solve existing oxidation pond oxygen utilization rate low, the working cost height, and the problem that the structures floor space is big provides the aerating apparatus that utilizes coal-based carbon film to improve the oxidation pond oxygen utilization rate.
The aerating apparatus that the present invention utilizes coal-based carbon film to improve the oxidation pond oxygen utilization rate is made up of coal-based carbon film, supporting carrier and pressure transmitter, be fixed with supporting carrier every 0.25～15cm on the coal-based carbon film, the material of supporting carrier is PVC (polyvinyl chloride), the fixed-direction of supporting carrier is vertical with coal-based carbon film, and pressure transmitter is installed on the coal-based carbon film.
The advantage of aerating apparatus that the present invention improves the oxidation pond oxygen utilization rate is as follows:
1, coal-based carbon film has the atomic pore structure of the nanometer that can distinguish gas molecule, has higher gas permeability and separation selectivity, and higher thermostability is arranged, high pressure resistant, corrosion resistance nature.Device of the present invention uses coal-based carbon film as aeration tube, generally do not produce bubble at aeration process, sometimes produce microbubble, oxygen directly diffuses in the sewage with molecularity, the microbial film that is supported on the carrier absorbs, therefore, oxygen almost absolutely is absorbed, and oxygen utilization rate can be near 100%.
2, use device of the present invention, aeration process does not produce bubble, when having avoided traditional aeration in the sewage volatile substances (as toluene, phenol etc.) enter atmosphere and pollution on the environment with bubble, can not produce foam simultaneously owing to the existence of tensio-active agent.
3, use device of the present invention, gas-liquid two-phase separates in the aeration process, and mixing and the oxygen supply of solution are not disturbed mutually, so independent design separately, and the form of reactor is more flexible and changeable; Gaseous tension is not subjected to the influence of admixture in the pond in the oxidation pond, therefore, can control the supply of oxygen by the way of adjustments of gas pressure.
4, use installation cost of the present invention is low, investment is little, efficient is high, treatment effect good, dwindled the volume of subsequent disposal structures and reduced construction costs; It is few to use device oxidation pond of the present invention to take up an area of, and under identical loading condiction, it only needs the volume of common oxidation pond 15%～80%.
So 5, microorganic adhesion does not need activity sludge reflux or circulation back flushing with flow on supporting carrier; Microorganism on the supporting carrier constantly comes off, and avoids stopping up; Organic loading height, anti impulsion load ability are strong, so stable effluent quality; Head loss is little, power consumption is low, and operation is simple, and operational administrative is easy; Be applicable to improvement project etc. simultaneously.
Description of drawings
Fig. 1 is the structural representation that improves the aerating apparatus of oxidation pond oxygen utilization rate in the embodiment one, and wherein 1 is coal-based carbon film, and 2 is supporting carrier, and 3 is pressure transmitter; Fig. 2 is the structural representation of oxidation pond in the embodiment ten, and wherein 1 is coal-based carbon film, and 2 is supporting carrier, and 3 is pressure transmitter, and 4 is valve, and 5 is main, and 6 is arm, and 7 is oxidation pond; Fig. 3 be the A of Fig. 2 to view, wherein 1 is coal-based carbon film, 2 is supporting carrier, 3 is pressure transmitter, 4 is valve, 5 is main, 6 is arm, 7 is oxidation pond.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: in conjunction with shown in Figure 1, the aerating apparatus that present embodiment utilizes coal-based carbon film to improve the oxidation pond oxygen utilization rate is made up of coal-based carbon film 1, supporting carrier 2 and pressure transmitter 3, be fixed with supporting carrier 2 every 0.25～15cm on the coal-based carbon film 1, the material of supporting carrier 2 is PVC (polyvinyl chloride), the fixed-direction of supporting carrier 2 is vertical with coal-based carbon film 1, and pressure transmitter 3 is installed on the coal-based carbon film 1.
Coal-based carbon film links to each other with main or arm in the present embodiment, and oxygen or air are imported coal-based carbon film by main, and then are transported in the oxidation pond.
The junction of the coal-based carbon film of present embodiment and main or arm is equipped with valve, and oxygen or air capacity that control enters every aeration tube can be regulated aeration rate, and big aeration rate plays and washes away carbon membrane, recovers carbon membrane aeration ability, reduces the effect of energy consumption.
Hang with microbial film on the supporting carrier of present embodiment, sewage is intake at the bottom of oxidation pond, and the supporting carrier of flowing through is from the water outlet of oxidation pond top.
For preventing the duct of microorganism obstruction carbon membrane, influence aeration rate, can pass through pressure transmitter, judge the condition of loading of microorganism on the carbon membrane, thus control recoil frequency.Pressure in pressure transmitter shows every coal-based carbon film needs to strengthen gas pushing quantity during greater than 1.14～5MPa, and coal-based carbon film is washed.
The device of present embodiment does not generally produce bubble at aeration process, produces microbubble sometimes, and oxygen directly diffuses in the sewage with molecularity, the microbial film that is supported on the carrier absorbs, therefore, oxygen almost absolutely is absorbed, and oxygen utilization rate can be near 100%.The installation cost of present embodiment is low, investment is little, efficient is high, treatment effect good, dwindled the volume of subsequent disposal structures and reduced construction costs; Use the device aeration tank occupation of land of present embodiment few, under identical loading condiction, it only needs the volume of common aeration tank 15%～80%.
The device of present embodiment can feed CO equally
2, gas such as ozone, insert aeration tank, O3 contacted oxidation pond etc.Can be applied to sewage disposal and give water treatment field, improve the utilization ratio of gas.
Embodiment two: what present embodiment and embodiment one were different is: be fixed with supporting carrier 2 every 1～13cm on the coal-based carbon film 1.Other is identical with embodiment one.
Embodiment three: what present embodiment and embodiment one were different is: be fixed with supporting carrier 2 every 4～10cm on the coal-based carbon film 1.Other is identical with embodiment one.
Embodiment four: what present embodiment and embodiment one were different is: be fixed with supporting carrier 2 every 6～8cm on the coal-based carbon film 1.Other is identical with embodiment one.
Embodiment five: what present embodiment and embodiment one were different is: be fixed with supporting carrier 2 every 7cm on the coal-based carbon film 1.Other is identical with embodiment one.
Embodiment six: what present embodiment was different with one of embodiment one to five is: the shape of supporting carrier 2 is annulars.Other is identical with one of embodiment one to five.
Embodiment seven: what present embodiment was different with one of embodiment one to six is: the external diameter of supporting carrier 2 is 10～150mm.Other is identical with one of embodiment one to six.
Embodiment eight: what present embodiment was different with one of embodiment one to six is: the external diameter of supporting carrier 2 is 50～100mm.Other is identical with one of embodiment one to six.
Embodiment nine: what present embodiment was different with one of embodiment one to six is: the external diameter of supporting carrier 2 is 70～80mm.Other is identical with one of embodiment one to six.
Embodiment ten: the aerating apparatus that present embodiment utilizes coal-based carbon film to improve the oxidation pond oxygen utilization rate is made up of coal-based carbon film 1, supporting carrier 2 and pressure transmitter 3, be fixed with the supporting carrier 2 that external diameter is 80mm every 5cm on the coal-based carbon film 1, the shape of supporting carrier 2 is annulars, material is PVC (polyvinyl chloride), the fixed-direction of supporting carrier 2 is vertical with coal-based carbon film 1, and pressure transmitter 3 is installed on the coal-based carbon film 1.
The aerating apparatus of present embodiment is inserted in the biological contact oxidation pond, as shown in Figures 2 and 3, Fig. 2 is the oxidation pond side-view, Fig. 3 is the vertical view of oxidation pond, coal-based carbon film 1 is connected with arm 6 with main 5 in the oxidation pond 7, valve 4 is installed in the junction, air or oxygen is by main 5 input coal-based carbon films, and then be transported in the oxidation pond 7, other coal-based carbon films are also arranged as above-mentioned mode, the straight length of every coal-based carbon film in the pond is no more than 2 meters, and the diameter of every coal-based carbon film is between 1～15cm, and the service volume of every coal-based carbon film is 0.05～0.5 cubic metre; Hang with microbial film on the supporting carrier 2, sewage is from the water inlet of 7 ends of oxidation pond, and the supporting carrier 2 of flowing through is from oxidation pond 7 top water outlets.
The device of present embodiment does not generally produce bubble at aeration process, produces microbubble sometimes, and oxygen directly diffuses in the sewage with molecularity, the microbial film that is supported on the carrier absorbs, therefore, oxygen almost absolutely is absorbed, and oxygen utilization rate can be near 100%.The installation cost of present embodiment is low, investment is little, efficient is high, treatment effect good, dwindled the volume of subsequent disposal structures and reduced construction costs; Use the biological contact oxidation pond occupation of land of the device of present embodiment to lack, under identical loading condiction, it only needs the volume of common biological contact oxidation pond 60%.
Claims (9)
1. utilize coal-based carbon film to improve the aerating apparatus of oxidation pond oxygen utilization rate, it is made up of coal-based carbon film (1), supporting carrier (2) and pressure transmitter (3), the coal-based carbon film (1) that it is characterized in that utilizing coal-based carbon film to improve the aerating apparatus of oxidation pond oxygen utilization rate is gone up and is fixed with supporting carrier (2) every 0.25～15cm, the material of supporting carrier (2) is PVC, the fixed-direction of supporting carrier (2) is vertical with coal-based carbon film (1), and pressure transmitter (3) is installed on the coal-based carbon film (1).
2. a kind of aerating apparatus that improves the aeration tank oxygen utilization rate according to claim 1 is characterized in that coal-based carbon film (1) upward is fixed with supporting carrier (2) every 1～13cm.
3. a kind of aerating apparatus that improves the aeration tank oxygen utilization rate according to claim 1 is characterized in that coal-based carbon film (1) upward is fixed with supporting carrier (2) every 4～10cm.
4. a kind of aerating apparatus that improves the aeration tank oxygen utilization rate according to claim 1 is characterized in that coal-based carbon film (1) upward is fixed with supporting carrier (2) every 6～8cm.
5. a kind of aerating apparatus that improves the aeration tank oxygen utilization rate according to claim 1 is characterized in that coal-based carbon film (1) upward is fixed with supporting carrier (2) every 7cm.
6. a kind of aerating apparatus that improves the aeration tank oxygen utilization rate according to claim 1 and 2 is characterized in that the shape of supporting carrier (2) is an annular.
7. a kind of aerating apparatus that improves the aeration tank oxygen utilization rate according to claim 6, the external diameter that it is characterized in that supporting carrier (2) is 10～150mm.
8. a kind of aerating apparatus that improves the aeration tank oxygen utilization rate according to claim 6, the external diameter that it is characterized in that supporting carrier (2) is 50～100mm.
9. a kind of aerating apparatus that improves the aeration tank oxygen utilization rate according to claim 6, the external diameter that it is characterized in that supporting carrier (2) is 70～80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080255XA CN102180541A (en) | 2011-03-31 | 2011-03-31 | Aeration device for increasing oxygen utilization ratio of oxidation pond by using coal-based carbon film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080255XA CN102180541A (en) | 2011-03-31 | 2011-03-31 | Aeration device for increasing oxygen utilization ratio of oxidation pond by using coal-based carbon film |
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| CN102180541A true CN102180541A (en) | 2011-09-14 |
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| CN201110080255XA Pending CN102180541A (en) | 2011-03-31 | 2011-03-31 | Aeration device for increasing oxygen utilization ratio of oxidation pond by using coal-based carbon film |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428902A (en) * | 2008-12-04 | 2009-05-13 | 上海交通大学 | Organic pollution water course in situ processing equipment |
| CN101538087A (en) * | 2009-05-04 | 2009-09-23 | 大连理工大学 | CMABR (carbon tube membrane-aerated biofilm reactor) for running single-stage autotrophic biological nitrogen removal process |
-
2011
- 2011-03-31 CN CN201110080255XA patent/CN102180541A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428902A (en) * | 2008-12-04 | 2009-05-13 | 上海交通大学 | Organic pollution water course in situ processing equipment |
| CN101538087A (en) * | 2009-05-04 | 2009-09-23 | 大连理工大学 | CMABR (carbon tube membrane-aerated biofilm reactor) for running single-stage autotrophic biological nitrogen removal process |
Non-Patent Citations (1)
| Title |
|---|
| 《膜科学与技术》 20110228 宋学凯等 煤基管状微滤炭膜的增强改性 第51-55页 1-9 第31卷, 第1期 * |
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Application publication date: 20110914 |