The solar energy aeration system repairing polluted water body and the method repairing this water body
Technical field
The present invention relates to environmental technology field, more particularly, to a kind of for repairing polluted water body too
Sun energy aerating system and the method repairing this polluted water body.
Background technology
Along with increasing and economic fast development of population, increasing industrial wastewater, sanitary sewage and
Agricultural sources pollutant are discharged into rivers and lakes water body, have exceeded well over the self-purification capacity of water body, cause water body contaminated or
Infringement.Contaminated or infringement water body makes clear water body originally occur, and muddy, dissolved oxygen reduces, Fish subtract
The problems such as less, alga eruption, ecosystem be destroyed.Therefore, contaminated or infringement the improvement of water body is
Instant.
For the contaminated or water body aeration of infringement, improving its dissolved oxygen content is a kind of common water remediation hands
Section.Algalbloom can be suppressed for water body aeration, promote Fish, water plant and the growth of microorganism,
Make the H in the precipitation of iron ions in water body, and stripping water-outlet body2S、CO2、NH4, volatility organic
Thing and other harmful substances.Therefore, aeration had both reduced the dense of nitrogen in eutrophication water, phosphorus, ferrum etc.
Degree, improves again the health level of the water bodys such as pond, lake, reservoir, maintains hydrobiological normal growth.
In the water bodys such as the pond of eutrophication, lake or reservoir, the content diurnal variation amplitude of oxygen in water
Bigger.Sunlight can promote water circulation by day, increases dissolved oxygen content;And at night, especially under
The oxygen supplement event resolves that midnight, water circulation caused, only breathes oxygen consumption effect, and Dissolved Oxygen in Water content declines,
Occur at predawn several hours when that dissolved oxygen content being minimum.If it is minimum at Dissolved Oxygen in Water content
When aeration, the effect of water body aeration can be greatly improved.Existing water body aerating system disadvantageously,
When having sunlit the most by day, aeration or a whole day are all at aeration, and can not be according to Dissolved Oxygen in Water
Content opens and closes aerating system in good time, causes unnecessary waste.
Additionally, the concentration of the dissolved oxygen in the eutrophication water such as lake, reservoir is layering, upper water
The content of dissolved oxygen is higher than bottom water.Water is the deepest or water pollution is the heaviest, content of oxygen dissolved in water lamination
The most serious.The layering of Dissolved Oxygen in Water content is unfavorable for that water ecosystem is healthy, therefore should make water circulation
Get up, prevent layering.
Existing aerating system has use power-actuated, and no matter it is the electric power by conveying or traditional
On-site generated power, all will be greatly increased aeration cost.It addition, existing aerating system also has use electric solar energy
Generating drives, but the shortcoming of such aerating system is: aeration efficiency is low, it is impossible to according to dissolving
Oxygen content is turned on and off aerating system;Have that dissolved oxygen content is high, when need not aeration at aeration,
And when dissolved oxygen content is relatively low need aeration when, solar energy convert electric energy be exhausted, it is impossible to for
Water body aeration;And existing water body solar energy aeration equipment is all to swim in the water surface, low to dissolved oxygen content
The aeration effect of bottom water is poor, it is impossible to make bottom water be sufficiently mixed with upper water, thus avoids water body layering existing
As.
Summary of the invention
For above-mentioned technical problem, the present invention provides the sun of a kind of water body for repairing contaminated or infringement
Energy aerating system, this solar energy aeration system is by improving the generating efficiency of solar panel, in water body
Form thin bubble layer fluidization tower and enter the efficiency of polluted water body to improve oxygen, form thin bubble layer in water bottom
Fluidization tower makes water circulation get up in case water-stop body is layered, is turned on and off too according to the dissolved oxygen content in water body
The means such as the ceramic capillary gaseous diffuser that sun energy aerating system or selection match with aerator size,
Improve the efficiency of aeration, thus overcome the various technical problems in existing aerating system.
Further, the present invention provides a kind of method repairing water body that is contaminated or that damage, and the method is passed through
Improve aeration efficiency, increase Dissolved Oxygen in Water content, make bottom water be sufficiently mixed with upper water and improve to have
The microorganism of benefit water body self-purification ability, makes polluted water body obtain effectively repairing.
The present invention is achieved through the following technical solutions above-mentioned technical purpose.
According to an aspect of the present invention, it is provided that a kind of solar energy aeration system for repairing polluted water body
System, including:
Solar energy reforming unit, for being converted into electric energy by the solar energy absorbed;
Gas diffuser, for being delivered to be subject to the form of microbubble by air, oxygen and/or ozone
In polluted-water;
Aerator, is driven by electric energy produced by solar energy reforming unit, for by air, oxygen and/
Or ozone is delivered in gas diffuser, and then release extremely described polluted water body by conveying pipe;
Dissolved Oxygen in Water measurement apparatus, for measuring the real-time oxygen content in described water body;And
Control device, for low according to the real-time oxygen content in the water body measured by Dissolved Oxygen in Water measurement apparatus
In setting value or exceed setting value to be turned on and off aerator.
Further, described solar energy aeration system farther includes the gas product for producing oxygen or ozone
Generating apparatus, and come less than setting value according to the real-time oxygen content in measured water body by described control device
Open described gas generation apparatus or exceed setting value to close described gas generation apparatus.
Further, described solar energy reforming unit includes solar panel and sunlight follow-up mechanism, institute
State sunlight follow-up mechanism order about solar panel follow the trail of the sun make sunlight vertical irradiation at solar energy
On cell panel.
Further, described gas diffuser is arranged at the bottom of water body.
Further, described gas diffuser includes multiple gaseous diffuser, the number of described gaseous diffuser
Amount is the volume according to water body and/or area determines.
Further, described gas diffuser is micropore disc type gaseous diffuser, preferably ceramic capillary
Disc type gaseous diffuser.
Further, the distance between the aperture of micropore of described gaseous diffuser, micropore, described gas are made
The gas flow that bubbler discharges with the degree of depth of the water surface and each gaseous diffuser is mutually matched, thus
The bottom of water body forms thin bubble layer fluidization tower to the water surface.
Further, quantity and the surface of gaseous diffuser of gaseous diffuser in unit of water body area are controlled
Long-pending, maintain the gas discharged to form thin bubble layer fluidization tower in the bottom of water body to the water surface.
It is further preferred that the aperture of the micropore of described gaseous diffuser is between 10~90 μm, micropore
Distance 2~5mm, described gaseous diffuser discharge with the degree of depth 4~8m and each gaseous diffuser of the water surface
The gas flow gone out is 3~5m3/h.It is pointed out that the gaseous diffuser according to the present invention can be tool
There is the gaseous diffuser of same apertures, it is also possible to be the gaseous diffuser with uneven aperture, as long as it is micro-
The aperture in hole is in 10~90 μ m.Preferably, have identical according to the gaseous diffuser of the present invention
Aperture.Preferably, it is equally distributed according to the micropore of the gaseous diffuser of the present invention.Most preferably, root
According to the gaseous diffuser of the present invention, there is same apertures and equally distributed micropore.
It is further preferred that the aperture of the micropore of described gaseous diffuser is between 20~70 μm, micropore
Distance 2~5mm, described gaseous diffuser discharge with the degree of depth 4~6m and each gaseous diffuser of the water surface
The gas flow gone out is 3~5m3/h。
It is further preferred that a diameter of the 200 of described gaseous diffuser~300mm, every ten square metres of water bodys
In area, the quantity of gaseous diffuser is 3-7, preferably 5~7.
Further, described control device includes:
Energy control device, including solar photovoltaic controller, inverter and accumulator, wherein solar energy
Volt controller controls solar panel and converts solar energy into electrical energy and control defeated for produced electric energy
Delivering to inverter or accumulator, DC conversion is the alternating voltage being applicable to aerator by inverter, stores
Battery is used for storing produced electric energy;
Operational control unit, is connected with controlling Dissolved Oxygen in Water measurement apparatus, and according to Dissolved Oxygen in Water
Content is less than or exceedes predetermined value to be turned on and off aerator;With
Gas control equipment, for controlling the opening and closing of gas generation apparatus, and for controlling institute
The oxygen produced or ozone and/or air are delivered to the flow of gaseous diffuser.
Preferably, described aerator is compressor or aerator.
Preferably, the flow of the gas that each gaseous diffuser discharges is controlled by gas control equipment.Enter
Preferably, the flow of the gas that each gaseous diffuser discharges is the most equal for one step.
Preferably, described gas control equipment includes effusion meter, valve and actuator.
Preferably, when real-time oxygen content is less than 4mg/L, aerator and/or gas generation apparatus are opened;
When real-time oxygen content is higher than 7mg/L, close aerator and gas generation apparatus.
According to another aspect of the present invention, it is provided that a kind of method repairing polluted water body, its use is above-mentioned
Solar energy aeration system give contaminated oxygen supply of water body, thus realize repairing described polluted water body.
Specifically, when polluted water body by Organic Pollution serious time, the method according to the invention is given contaminated
Larger molecular organics can be degraded to little point by water body supply oxygen or ozone, oxygen or ozone, particularly ozone
Sub-Organic substance or refractory organic is decomposed into biodegradable organic, thus realize efficiently repairing
Described polluted water body.
Preferably, the real-time oxygen content in the water body measured by Dissolved Oxygen in Water measurement apparatus is less than 4mg/L
Time, open described solar energy aeration system;Real-time in the water body measured by Dissolved Oxygen in Water measurement apparatus
When oxygen content is higher than 7mg/L, close described solar energy aeration system.
Solar energy aeration system according to the present invention has the advantage that
One. solar panel can be followed the sun as Helianthi and be rotated, and can be greatly enhanced solar energy
Absorption efficiency;
Two. the solar energy aeration system according to the present invention can be automatic according to the dissolved oxygen concentration level of water body
It is turned on and off described aerating system, thus improves the aeration efficiency of water body, reduce energy consumption;
Three. the aerating system according to the present invention can be by controlling the water of gaseous diffuser and polluted water body
Deeply, the coupling of gas flow, thus form thin bubble layer fluidization tower, with improve the oxygen in air or oxygen or
Ozone enters the efficiency of polluted water body;And
Four. according to the micro-hole aerator of the aerating system of the present invention in water bottom, formed the end of from water body
Portion is equally distributed thin bubble layer fluidization tower to top layer, thus strengthens water circulation, improves aeration efficiency, and
Dissolved Oxygen in Water is prevented to be layered.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the solar energy aeration system according to embodiment of the present invention.
Fig. 2 is that the structure of the micropore ceramics bubbler that the solar energy aeration system according to the present invention is used is shown
It is intended to.
Fig. 3 is the composition frame diagram of the solar energy aeration system according to embodiment of the present invention.
Detailed description of the invention
The detailed description of the invention of the present invention described in detail below, but protection scope of the present invention is not limited to this
A little specific embodiments.
According to an embodiment of the invention, it is provided that a kind of solar energy aeration for repairing polluted water body
System, including: solar energy reforming unit, for the solar energy absorbed is converted into electric energy;Gas spreads
Device, for being delivered to air, oxygen and/or ozone in polluted water body with the form of microbubble;
Aerator, is driven by electric energy produced by solar energy reforming unit, for by air, oxygen and/or
Ozone is delivered in gas diffuser, and then release extremely described polluted water body by conveying pipe;Water body is molten
Solve oxygen measurement device, for measuring the real-time oxygen content in described water body;And control device, for basis
Real-time oxygen content in water body measured by Dissolved Oxygen in Water measurement apparatus is less than setting value or exceedes setting
Value is turned on and off aerator.
It is further preferred that described solar energy aeration system farther includes the gas for producing oxygen or ozone
Body generator, and it is less than setting by described control device according to the real-time oxygen content in measured water body
Value is opened described gas generation apparatus or exceedes setting value to close described gas generation apparatus.
In order to improve aeration efficiency and water remediation effect, the solar energy aeration system of the present invention is wrapped further
Include the gas generation apparatus for producing oxygen or ozone, i.e. oxygen generator and/or ozonator.
Oxygen generator can be greatly enhanced the transfer amount of oxygen, and oxygen generator can squeeze away the nitrogen in air
Gas, and then produce the oxygen at concentrations up to 95%, oxygen generator is installed and can make the oxygen concentration in water body
Improve more than 3 times.Ozonator not only improves the transfer amount of oxygen, and ozone also can effective degradation water
Hardly degraded organic substance in body.Oxygen generator can be used together with ozonator or be used alone.
It is further preferred that described solar energy reforming unit includes that solar panel and sunlight follow the trail of dress
Putting, described solar tracking device orders about the solar panel tracking sun and makes sunlight vertical irradiation at the sun
On energy cell panel.
The solar panel in solar energy aeration system according to the present invention is designed to follow the trail of sunlight
Rotatable cell panel.When sunlight direct projection cell panel, electricity conversion can be the highest.Therefore, with tradition
Self-contained battery plate only have certain time to reach its maximum electricity conversion to compare, according to the present invention's every day
Solar panel can reach maximum photoelectric conversion effect within all times having sunlight
Rate, which thereby enhances the work efficiency of the solar energy aeration system of the present invention.Described sunlight follow-up mechanism can
To be any follow-up mechanism of the prior art, for example, it may be according to solar motion rule timing controlled too
The control device that sun energy cell panel rotates.
It is further preferred that described gas diffuser is arranged at the bottom of water body.Pass through air shooter
Road is delivered to gas diffuser by air or by oxygen produced by gas generation apparatus or ozone.Described
Air shooter can be the pipeline of any materials, for example, it may be traditional PVC material, polypropylene
Or the pipeline of other plastics.Resilient PVC material is preferably used.In order to prevent aeration tube from swimming in
The water surface, configuration weight is so that it is sunken to the bottom.Use micropore disc type gaseous diffuser, and be placed on water body
Bottom, form thin bubble layer fluidization tower the most bottom-up, improve oxygen diffuser efficiency.
It is further preferred that described gas diffuser includes multiple gaseous diffuser, described gaseous diffuser
Quantity be that the surface area of the volume according to water body and/or area and gaseous diffuser determines.Such as,
The most every ten square metres of coverages of water uniformly lay 3~7 gaseous diffusers, preferably 5~7, Qi Zhongqi
The surface diameter of bulk diffusion device is preferably the micropore disc type gaseous diffuser of 200~300mm, the most excellent
Elect ceramic capillary disc type gaseous diffuser as.
It is further preferred that make the distance between the aperture of the micropore of described gaseous diffuser, micropore, described
The gas flow that gaseous diffuser discharges with the degree of depth of the water surface and each gaseous diffuser is mutually matched, from
And thin bubble layer fluidization tower is formed in the bottom of water body to the water surface.Furthermore it is preferred that control unit of water body face further
The quantity of long-pending middle gaseous diffuser and the surface area of gaseous diffuser, maintain the gas discharged at water body
Bottom forms thin bubble layer fluidization tower to the water surface.
By the setting of above-mentioned parameter, gaseous diffuser can be made to produce according to the solar energy aeration system of the present invention
Raw thin bubble and cambium layer fluidization tower.The pore opening of gaseous diffuser, pore spacing, fitting depth and exposure
The parameters such as the gas flow of mechanism of qi, it is even further preferred that the ginseng such as the surface area of air tubing length, gaseous diffuser
Number will be mutually matched so that producing streamline column from the bottom of water body to the water surface.It is, in general, that be arranged on relatively
Gaseous diffuser in deep water body, the distance between its pore will be more relatively large, rise to prevent from bubbling
During merge.In shallower water body, gaseous diffuser pore is smaller to prevent bubble from condensing.
And, the amount of the gas of aerator conveying wants suitable, could form gas blanket fluidization tower.Bubble is in streamline column
During rising, water body is as well as rising so that bottom water body exchanges with upper strata water body.
The present invention realizes cambium layer fluidization tower in water body by designing suitable micropore disc type bubbler.This
The advantage of the micropore disc type bubbler of invention is that the bubble produced is little, and this makes the specific surface area of bubble more
Greatly, thus add the transfer amount of oxygen.And, the rate of climb of bubble is very slow, when bubble has sufficient
Between to water body shift oxygen.Bubble turbulent flow or turbulent flow easily make bubble merge, thus significantly reduce
The transfer of oxygen.The present invention is exactly to utilize thin bubble layer fluidization tower to maximize the transfer of oxygen.Thin bubble passes through
Its great surface area accelerates oxygen transfer.Further, since thin bubble layer fluidization tower has more in uphill process
Many water participates in, and therefore streamline column more can accelerate water circulation than turbulent post.Meanwhile, laminar flow is slower than turbulent flow,
This adds increased the time that bubble contacts with water body, thus improve efficiency.Thin bubble layer fluidization tower makes substantial amounts of
Oxygen is transferred in water body.Expensive, so aeration efficiency is even more important due to solar panel.
Such as, in order to obtain stable streamline column, the aperture of the micropore of the most described gaseous diffuser is
The degree of depth 4~8m of the distance 2~5mm between 10~90 μm, micropore, described gaseous diffuser and the water surface with
And the gas flow that each micropore discharges is 3~5m3/h.And the most every ten square metres of water body faces
3-7 surface diameter of long-pending uniformly laying is the micropore disc type gaseous diffuser of 200~300mm.
It is further preferred that the aperture of the micropore of described gaseous diffuser is between 20~70 μm, micropore
Distance 2.5~4mm, described gaseous diffuser and the degree of depth 2~6m of the water surface and each micropore discharge
Gas flow is 3~5m3/h.And the most every ten square metres of coverages of water uniformly lay 5-7 table
The micropore disc type gaseous diffuser in face a diameter of 200~300mm.
It is further preferred that described control device includes: energy control device, including photovoltaic control
Device, inverter and accumulator, wherein solar photovoltaic controller controls solar panel by solar energy conversion
For electric energy and control, produced electric energy being delivered to inverter or accumulator, unidirectional current is turned by inverter
Turning to be applicable to the alternating voltage of aerator, accumulator is used for storing produced electric energy;Operational control unit,
It is connected with controlling Dissolved Oxygen in Water measurement apparatus, and is less than according to the content of Dissolved Oxygen in Water or exceedes predetermined
Value is turned on and off aerator;And gas control equipment, for controlling unlatching and the pass of gas generation apparatus
Close, and produced oxygen or ozone and/or air are delivered to gaseous diffuser for controlling
Flow.
Described photovoltaic controller converts solar energy into electrical energy, and DC conversion is 220 by straight AC inverter
Volt alternating current, and be stored in accumulator.Solar energy aeration system according to the present invention is provided with accumulator,
It is advantageous that, accumulator can maintain the operation of system (especially in evening water body needs most oxygen when
On).Solar panels are connected with photovoltaic controller, and photovoltaic controller connects with straight AC inverter and accumulator again
Connecing, accumulator is connected with operation controller again.Operation controller is connected with Dissolved Oxygen in Water analyzer, according to
The content of measured Dissolved Oxygen in Water is less than or exceedes predetermined value to be turned on and off aerator, oxygen generation
Device or ozonator.
It is further preferred that described aerator is compressor or aerator.The power of this aerator is according to peace
The quantity of the gaseous diffuser of dress determines, when the quantity of the gaseous diffuser installed is more, needs to join
Put the aerator of relatively high power.
It is further preferred that described gas diffuser includes multiple gaseous diffuser, it is controlled to set by gas
For controlling.It is further preferred that described gas flow controller includes effusion meter, valve and actuator.
The gas flow of each gaseous diffuser is controlled by effusion meter and valve actuator.
It is further preferred that the solar energy aeration system of the present invention automatically turns on according to Dissolved Oxygen in Water content or
Close the equipment in this system.Before night especially dawn several hours, Dissolved Oxygen in Water content was one day
In minimum when, open aerating system at this moment, aeration effect is more preferable.
Operation controller is connected with Dissolved Oxygen in Water analyzer, and dissolved oxygen meter is placed in water, it is possible to monitoring
Dissolved oxygen concentration in water body, and pass the signal along to operate controller, operation controller controls electrical switch again,
It is turned on and off gas processing device according to dissolved oxygen concentration, Dissolved Oxygen in Water concentration is maintained one and stablizes
Level.Controller can also be connected with optical inductor, and assessment sunlight is irradiated to the intensity of water body, shines at sunlight
The intensity the lowest (before dawn) being mapped to water body opens gas processing device.
It is characteristic of the invention that one starts the switch controller that control equipment runs, i.e. electricity at special time
Sub-switch controller, according to the operation time of the Dissolved Oxygen concentration Control gas processing device in water body.Aeration
Machine provides air or oxygen or ozone to gaseous diffuser.For cambium layer fluidization tower in water body, aerator
To match with gaseous diffuser.The selection of aerator will according to gaseous diffuser be placed in water body deep
The factors such as degree, the size of gaseous diffuser and pore radiuses and distribution determine.
Such as, when real-time oxygen content is less than 4mg/L, aerator and/or gas generation apparatus are opened;When
When oxygen content is higher than 7mg/L in real time, close aerator and gas generation apparatus.
According to another embodiment of the present invention, it is provided that a kind of method repairing polluted water body, in its use
The solar energy aeration system stated gives contaminated oxygen supply of water body, thus realizes repairing described polluted water body.
It is further preferred that the real-time oxygen content in the water body measured by Dissolved Oxygen in Water measurement apparatus is less than
During 4mg/L, open described solar energy aeration system;At the water body measured by Dissolved Oxygen in Water measurement apparatus
In real-time oxygen content higher than 7mg/L time, close described solar energy aeration system.
Except gaseous diffuser and gas transmission pipeline, the miscellaneous equipment of the solar energy aeration system of the present invention is all
It is arranged on the bank of water body.This makes they more convenient maintenances.Other vile weather in order to avoid high wind
Impact, land-based installation must be installed firm.The solar facilities of the present invention can allow water body aeration away from biography
System electrical network.It addition, the operation of equipment need not consume fuel.Therefore this equipment is applicable to remote districts and electricity
Valency district higher.
Combine accompanying drawing further below and describe the preferred embodiment of the present invention in detail.
Fig. 1 is the schematic diagram of the solar energy aeration system according to an embodiment of the invention.Simple next
Say, include according to the solar energy aeration system of the present invention: comprise solar panel 11 and sunlight is followed the trail of
The solar energy reforming unit 10 of device 12;Comprise ceramic gas disk bubbler 21 and air shooter 22
Gas diffuser 20;Aerator 30;Dissolved Oxygen in Water real-time measurement apparatus 40;And control device
50, wherein said control device includes solar photovoltaic controller 51, accumulator 52, inverter 53, behaviour
Make control equipment 54 and gas produces control equipment 55 and gas flow controller 56.Additionally, also may be used
To include the gas generation apparatus 60 for producing oxygen or ozone.
Fig. 2 is the disc type micropore ceramics bubbler that the solar energy aeration system according to the present invention is used
Structural representation.As in figure 2 it is shown, the aperture d of the diameter D of disc type micropore ceramics bubbler, micropore,
The parameters such as distance w between micropore must adapt with the gas flow of micropore ceramics bubbler, the most permissible
Obtain the thin bubble layer fluidization tower from the bottom of polluted water body to the water surface.The solar energy aeration system institute of the present invention
The quantity of micropore ceramics bubbler used is the area according to polluted water body and/or volume determines,
The coverage of water of the most every ten square metres can be the disc type micropore pottery of 5-7 a diameter of 200-300mm
Porcelain bubbler.
Fig. 3 is the composition frame diagram of the solar energy aeration system according to the present invention.As shown in Figure 3, first,
Solar tracking device 12 make sunlight vertical irradiation on solar panel 11 so that solar energy
Reforming unit more efficiently produces electric energy.The electric energy of generation is delivered to inversion by solar photovoltaic controller 51
Device 53, is to be suitable for the voltage that aerator 30 uses by inverter 53 by produced DC conversion
The alternating current of (such as, 220 volts).During it addition, remaining electric energy or this aerating system are not worked
Produced electric energy is delivered to accumulator 52, and is stored in accumulator 52.Aerator 30 energising with
Rear beginning aeration, is delivered to gas by oxygen produced by air or gas generation apparatus 60 or ozone
Flow controller 56, gas flow controller 56 includes effusion meter, valve and actuator (not shown),
The flow of the gas of gaseous diffuser 21 is entered by effusion meter, valve actuator regulation.In water body, oxygen is real
Time test device 40 measure the real-time oxygen content in polluted water body, and by wireless or wired mode
It is connected with controlling device 50, if the oxygen content of this measurement exceedes predetermined value (such as, 7mg/L), operation
Control equipment 54 can close aerator 30 and gas flow controller 56, and correspondingly, gas produces control
Control equipment 55 can close gas generation apparatus 60.If on the contrary, the oxygen content of this measurement is less than predetermined value
(such as, 4mg/L), operational control unit 54 can open the aerator 30 and gas being closed
Body flow controller 56, correspondingly, gas produces control equipment 55 can open gas generation apparatus 60.By
56 effluent airs of gas flow controller are delivered to gas diffuser 20 through gas transmission pipeline 22.
Through well-designed gaseous diffuser 20, gas is discharged equably to contaminated water body, formed steady
Fixed streamline column.
Relative to existing aerating system, have the advantage that head according to the solar energy aeration system of the present invention
First, can automatically turn on according to the dissolved oxygen concentration level of water body according to the solar energy aeration system of the present invention or
Close described aerating system, thus improve the aeration efficiency of water body, reduce energy consumption;Secondly, according to the present invention
Aerating system can by controlling the depth of water of gaseous diffuser and polluted water body, the mating of gas flow,
Thus form thin bubble layer fluidization tower, enter polluted water body improving the oxygen in air or oxygen or ozone
Efficiency;Again, it is arranged on water bottom according to the micro-hole aerator of the aerating system of the present invention, in water body
Form equally distributed thin bubble layer fluidization tower from bottom to top layer, thus strengthen water circulation, improve aeration effect
Rate, and prevent Dissolved Oxygen in Water to be layered.
Embodiment
The requirement to gaseous diffuser of the solar energy aeration system according to the present invention, prepares or is commercially available phosphorus
Aluminum silicate ceramic gaseous diffuser, it is micropore disc type gaseous diffuser, its surface diameter, micro-pore diameter,
Embodiment 1-12 in the data such as table 1 such as micropore spacing, the gas flow of each gaseous diffuser and the depth of water
(Ex.1-12) shown in.In order to compare, prepare further or be commercially available phosphorus aluminum silicate ceramic gas and expand
Dissipate device, its surface diameter, micro-pore diameter and micropore spacing and the gas stream of each gaseous diffuser time used
The parameters such as amount and the depth of water do not match that, the comparative example 1-6(CEx.1-6 referring specifically in table 1).
Observe bubble motion state (laminar flow, the turbulent flow or disorderly in the polluted water body of each embodiment and comparative example
The states such as stream), real-time oxygen content in aeration polluted water body after 4.5 hours and making after aeration
Real-time oxygen content in polluted water body reaches the aeration time required for 7mg/L, and concrete test result is such as
Shown in table 1.
As can be seen from Table 1: when the surface diameter of gaseous diffuser be 200~300mm, micropore size be
Distance 2~5mm between 10~90 μm, micropore is 4~8m with the degree of depth of described gaseous diffuser to the water surface
The gas flow discharged with each gaseous diffuser is 3~5m3When/h matches, it is possible to obtain stable
Bubble layer fluidization tower, and it is required when being 7mg/L to make same polluted water body reach wherein oxygen content
Aeration time is considerably shorter, referring specifically to embodiment 1-12. by contrast, when the surface of gaseous diffuser is straight
The degree of depth of distance, gaseous diffuser and the water surface between footpath, micropore size, micropore and each gaseous diffuser
When the gas flow discharged does not matches that, it is difficult to obtain stable thin bubble layer fluidization tower, and make same
Polluted water body to reach the aeration time that wherein oxygen content is required when being 7mg/L considerably longer, and
In identical aeration time, in same polluted water body, real-time oxygen content is the most considerably lower, referring specifically to than
Relatively example 1-6.