CN104876399B - Multistage-series constructed wetland sewage treatment system and method based on solar energy - Google Patents
Multistage-series constructed wetland sewage treatment system and method based on solar energy Download PDFInfo
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- CN104876399B CN104876399B CN201510272977.3A CN201510272977A CN104876399B CN 104876399 B CN104876399 B CN 104876399B CN 201510272977 A CN201510272977 A CN 201510272977A CN 104876399 B CN104876399 B CN 104876399B
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Classifications
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Treatment Of Sludge (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Photovoltaic Devices (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a multistage-series constructed wetland sewage treatment system and method based on solar energy, which are used for multistage biochemical treatment on sewage. The sewage treatment system comprises an A<2>/O treatment device and a constructed wetland treatment system, which are connected in series; the constructed wetland treatment system is formed in such a way that a vertical flow constructed wetland and a horizontal flow constructed wetland are connected in series, and arranged in a shed film photovoltaic solar greenhouse with a ventilation device; an amorphous silicon film solar panel is laid on the outer surface at the top of the shed film photovoltaic solar greenhouse; when sun light energy irradiates the amorphous silicon film solar panel, one part of sun light energy is converted into electric energy, while the other part of sun light energy penetrates the amorphous silicon film solar panel to be used for plant photosynthesis. The sewage treatment system is high in efficiency, and the shed film photovoltaic solar greenhouse meets the illumination and temperature requirements of plants in normal growth in all seasons, achieves the low-cost solar energy generation, and has favorable economic benefits and environmental benefits.
Description
Technical field
The invention belongs to sewage treatment area, be specifically related to a kind of plural serial stage artificial marsh sewage treatment system based on solar energy and method thereof.
Background technology
China's rural population substantial amounts, the living environment in rural area and quality largely embody the integral level of China's economic development.Along with improving constantly of the enforcement of national environmental protection policy, Living consumption and environmental consciousness, the construction of Sewage Treatment Project is being carried forward vigorously in the most a lot of rural areas, to protect and to improve rural environment.Increasing technology is applied to rural sewage treatment, mainly has anaerobic methane pool technology, stabilization pond technology, soil filtration technology and Artificial Wetland Techniques etc..
China's domestic sewage in rural areas major part uses methane-generating pit simple process and directly discharges, and environment is caused serious harm.Some motorless treatment tanks, the most large-scale methane-generating pit, anaerobic pretreatment+Artificial Wetland Techniques is the most well utilized in rural domestic sewage treatment, but processes water outlet and be still difficult to up to standard, and the foul smell of generation also makes people hang back.Some conventional micro power sewage disposal technologies not only need electricity consumption, in addition it is also necessary to personal management and maintenance, and in rural area inapplicable, some facilities even become ornaments.It is difficult to reach discharge standard in view of motorless sewage treatment facility, and the micro power sewage treatment facility power consumption of some electricity consumptions is serious, need commercial power supply, it is difficult to large-scale promotion application in the rural area of economics of underdevelopment, power supply difficulty, operating cost is higher and there is the defects such as odor pollution, there is provided a kind of energy-conservation, economic rural area Oligodynamic sewage treatment system extremely urgent, electric power needed for utilizing solar electrical energy generation to provide for sewage disposal device, has the advantages such as permanent, spatter property, economy and universality.The new forms of energy that solar energy is most widely used as the whole world, embody the concept of environmental protection especially for sewage disposal.And night not enough in view of some area illumination, the wastewater treatment efficiency present situation such as the best, was provided with civil power supply and grid-connected system simultaneously, not only ensure that the properly functioning of sewage disposal system under special environment, has saved city's electric consumption the most to a certain extent.
Combined artificial wetland has that capital expenditure is little, high, flexible arrangement of polluting removal efficiency and the advantage such as operation maintenance management is convenient, is very suitable for country sewage purified treatment.Rural area physical features is open, solar energy resources abundant and is easy to utilize, ripe heliotechnics is coupled into artificial wetland purifying system, design solar energy artificial wet land system based on the change of the Nature rhythm and pace of moving things, the operating energy resource supply of wetland can be solved, photovoltaic can also be utilized to produce heat and generating power aeration, the deficiency such as improve that artificial swamp low temperature season operational efficiency is low, filler easily blocks and dissolved oxygen supply rate is low.
Summary of the invention
Present invention aim to address problems of the prior art, and provide a kind of and utilize solar energy as the artificial marsh sewage treatment system of power supply device and method thereof.
Plural serial stage artificial marsh sewage treatment system based on solar energy includes A2/ O processing means and artificial wet land treating system, A2/ O processing means and artificial wet land treating system are arranged in series, and sewage is carried out multistep treatment；Described artificial wet land treating system is arranged in canopy formula thin-film photovoltaic solar greenhouse, the outer surface of cupular part in canopy formula thin-film photovoltaic solar greenhouse lays amorphous silicon membrane formula solar panel, amorphous silicon membrane formula solar panel is connected with accumulator by controller for solar, and plural serial stage artificial marsh sewage treatment system is powered by accumulator.
Described A2The cell body of/O processing means uses multiple A2/ O integration apparatus tank is according to A2The handling process of/O technique assembles, and arranges reflux line, A2/ O integration apparatus tank uses PE material, A2The PE tank body outer surface of/O integration apparatus tank is corrugated tank skin, and on corrugated tank skin, horizontal loops is wound with multiple bulge-structure.
Described A2Arranging fixed bed filler in/O integration apparatus tank in tank body as Aerobic Pond and anaerobic pond, fixed bed filler uses the netted plastic cylinder of hollow to be formed by stacking.
Described A2/ O integration apparatus tank top be provided with can opening type cover, sidewall is provided with drainage flow pipeline；Described multiple A2As the A of Aerobic Pond in/O integration apparatus tank2/ O integration apparatus tank inner bottom part is additionally provided with tube aerator, and tube aerator uses polyurethane tube aerator.
On described amorphous silicon membrane formula solar panel, angle regulator is installed, described angle adjusting mechanism device includes lifting arm motor and solar energy electric lifting arm, solar energy electric lifting arm is arranged on amorphous silicon membrane formula solar panel one end, one end that solar energy electric lifting arm is connected with amorphous silicon membrane formula solar panel is provided with lifting arm telescopic joint, being provided with lifting arm motor bottom solar energy electric lifting arm, lifting arm motor controls the length of solar energy electric lifting arm by driving elongating or shortening of lifting arm telescopic joint.
Described artificial wet land treating system is in series by vertical current constructed wetland and horizontal flow artificial wetland, vertical current constructed wetland and horizontal flow artificial wetland bottom filling layer are followed successively by sandy soils, sand stone layer, mixed-matrix layer and gravel layer from top to bottom, sand stone layer is wherein provided with immobilized microorganism layer, being provided with heating constant temperature rod and boring aeration pipe in mixed-matrix layer, boring aeration pipe is all connected with aeration blower with tube aerator；Horizontal flow artificial wetland is connected with water level regulating box by wet well.
Being additionally provided with spray equipment and ventilation unit in described canopy formula thin-film photovoltaic solar greenhouse, spray equipment is connected with accumulator by temperature detect switch (TDS) with ventilation unit.
Described accumulator constitutes light-electricity complementary system with mains system simultaneously, mutually as supplementing energy supply.
The sewage water treatment method using described artificial marsh sewage treatment system comprises the steps:
1) sewage flows through grid pond and regulating reservoir successively by pipe network, filters off float and carries out sewage all processing with regulation；
2) will be through step 1 by micro power elevator pump) process after sewage lifting to A2In/O integration apparatus tank, multiple A2Sewage is processed by/O integration apparatus tank respectively as anaerobic reactor, anoxic reacter, aerobic reactor and sedimentation tank, and wherein in aerobic reactor, sewage backflow is to anoxic reacter, and reflux ratio is 2:1；
3) by through step 2) process after sewage entered in the wetland sump of vertical current constructed wetland by water inlet pipe, flowed from the bottom up by bottom packing layer by Flow in Wetland passage again, gravel layer, mixed-matrix layer, immobilized microorganism layer, sand stone layer, sandy soils and the root system of wetland plant during sewage sequentially passes through packing layer during longitudinal flow；
4) by through step 3) process after sewage enter horizontal flow artificial wetland, during plug-flow, sewage flows to outlet from the water inlet of level stream through packing layer successively, and utilize the boring aeration pipe being connected with aeration blower to carry out oxygen supply, simultaneously, heating constant temperature rod is utilized to be incubated, to remove the pollutant in sewage further；
5) by through step 4) process after sewage enter wet well, carry out qualified discharge, by wet well install liquid level monitoring float switch Monitoring and Controlling current enter water level regulating box.
Described step 3) in during sewage longitudinal flow, the heating constant temperature rod installed in mixed-matrix layer is utilized to provide heat for whole bed body, utilize aeration blower to carry out aeration by boring aeration pipe simultaneously, it is allowed to form aerobic zone, anoxic zone and anaerobic zone at boring aeration pipe periphery by distance, reaches the purpose of denitrogenation dephosphorizing；
Described vertical current constructed wetland and horizontal flow artificial wetland may be contained within canopy formula thin-film photovoltaic solar greenhouse, temperature of shed is controlled by canopy formula thin-film photovoltaic solar greenhouse by spray equipment and ventilation unit, when temperature is higher than setting value, open spray equipment and ventilation unit cooling；The amorphous silicon membrane formula solar panel of canopy formula thin-film photovoltaic solar top of greenhouse can drive elongating or shortening of lifting arm telescopic joint to control the length of solar energy electric lifting arm by lifting arm motor, thus regulates the angle angle that amorphous silicon membrane formula solar panel is formed with sunray；
The described current consuming apparatus in artificial marsh sewage treatment system all carries out energy supply by accumulator, and accumulator is connected with amorphous silicon membrane formula solar panel, the solar energy that amorphous silicon membrane formula solar panel absorbs changes into electric energy, export after controller for solar digitized regulates, and be stored in accumulator, light-electricity complementary between accumulator and civil power, mutually carries out energy supply conversion.
The invention has the beneficial effects as follows:
1, canopy formula thin-film photovoltaic solar greenhouse had both met illumination and the temperature needs of plant normal growth in each in season, realized again opto-electronic conversion, low cost optical energy power.
2, have employed vertical current constructed wetland and drowned flow artificial wet land series model, floor space is less, it is to avoid undercurrent is the best to ammonia nitrogen, phosphorus treatment effect, and this combined artificial wetland is higher to the various Pollutant Treatment efficiency of water body, meet standard water discharge emission request.
3, thin-film photovoltaic solar plate is mounted with automatic control solar energy electric lifting arm, can along with sun angle change and telescopic adjustment photovoltaic panel towards, improve solar energy utilization rate.
4、A2/ O fixed bed system tank body uses modified PE material, adds the additives such as antioxidant, ultraviolet (UV) resistant agent, is resistant to all kinds of corrosion, and is embedded in underground, decrease land area.
5、A2In/O device tank body, media-filling rate is high, it is achieved that Three-dimensional Flow, is thoroughly mixed, and oxygen transfer efficiency is high, and the biofilm time is short, and the life-span is long, it is not easy to blocking.
6, fixed bed tank body bulk strength is high, and anti-floating performance is good, and the single little light weight of tank body volume, and combination type is installed, and installation and transportation are convenient.
7, in aerobic tank body, tube aerator uses polyurethane material, and treatment effect is preferable, and energy loss reduces 25%, and service life is long.
8, utilize civil power as the supply energy, it is ensured that special weather situation and sewage disposal system at night properly functioning.Simultaneously be provided with again grid-connected mains system, meet system properly functioning in the case of unnecessary solar energy enter mains system.
9, Performance of Constructed Wetlands Substrates layer is mounted with generate heat constant temperature rod and micropore perforated pipe, improves sewage treating efficiency.
10, wet well is mounted with water level detecting and controlling device, and when hydraulic load is excessive, the regulation and control part water yield enters in water level regulating box.
Accompanying drawing explanation
Fig. 1 is a kind of to utilize solar energy as the schematic diagram of the artificial marsh sewage treatment system of power supply device；
Fig. 2 is the solar power supply apparatus system of the present invention；
Fig. 3 is the solar energy electric lifting arm of the present invention；
Fig. 4 is the vertical current constructed wetland structure chart of the present invention；
Fig. 5 is the wet land filler layer schematic diagram of the present invention；
Fig. 6 is the PE tank structure figure of the present invention；
Fig. 7 is the packing layer schematic diagram of the present invention.
In figure, grid pond 1, micro power elevator pump 2, regulating reservoir 3, A2null/ O integration apparatus tank 4、Mains system 5、Inverter 6、Controller for solar 7、Accumulator 8、Fixed bed filler 9、Amorphous silicon membrane formula solar panel 10、Vertical current constructed wetland 11、Packing layer 12、Wetland plant 13、Heating constant temperature rod 14、Boring aeration pipe 15、Spray equipment 16、Lifting arm motor 17、Solar energy electric lifting arm 18、Ventilation unit 19、Horizontal flow artificial wetland 20、Aeration blower 21、Wet well 22、Liquid level monitoring float switch 23、Water level regulating box 24、Lifting arm telescopic joint 25、Water inlet pipe 26、Wetland sump 27、Flow in Wetland passage 28、Sandy soils 29、Sand stone layer 30、Immobilized microorganism layer 31、Mixed-matrix layer 32、Gravel layer 33、PE tank body 34、Can opening type cover 35、Drainage flow pipeline 36、Netted plastic cylinder 37、Corrugated tank skin 38、Tube aerator 39.
Detailed description of the invention:
Below in conjunction with the accompanying drawings the present invention is described in further details.
Embodiment
1
:
As it is shown in figure 1, plural serial stage artificial marsh sewage treatment system based on solar energy, including A2/ O processing means and artificial wet land treating system, wherein A2/ O processing means and artificial wet land treating system series connection, carry out multistep treatment to sewage；Described artificial wet land treating system is arranged in canopy formula thin-film photovoltaic solar greenhouse, the outer surface of cupular part in canopy formula thin-film photovoltaic solar greenhouse lays amorphous silicon membrane formula solar panel 10, and amorphous silicon membrane formula solar panel 10 is connected with accumulator 8 by controller for solar 7.Amorphous silicon membrane formula solar panel 10 is a kind of with thin-film solar cells that non-crystalline silicon compound is basic composition, its exclusive light splitting technology, solar photovoltaic segmentation can be utilized: ultraviolet light and purple, indigo, indigo plant, green, gold-tinted are for generating electricity, carry out photoelectric conversion, and the orange light of a part and HONGGUANG are through cell panel, due to photosynthesis of plant relies primarily on the plant under HONGGUANG, cell panel can be with normal growth.And amorphous silicon membrane formula solar panel 10 can utilize specific function film, according to the artificial swamp requirement to temperature, infrared light selectivity is passed through or reflection, thus regulate the temperature in canopy formula thin-film photovoltaic solar greenhouse.
As shown in Figure 6, A2The cell body of/O processing means uses multiple A2/ O integration apparatus tank 4 is according to A2The handling process of/O technique assembles, and arranges reflux line, and tank body one-shot forming has good bulk strength, and is readily transported.During use, multiple A2/ O integration apparatus tank 4 substitutes the concrete basin in traditional handicraft, is provided with the cell body such as anaerobic pond, anoxic pond, Aerobic Pond, sedimentation tank.A2PE tank body 34 outer surface of/O integration apparatus tank 4 is corrugated tank skin 38, on corrugated tank skin 38, horizontal loops is wound with multiple bulge-structure, bulge-structure is specially the protruding circular ring of dentation, and being arranged on tank body of being spaced, after soil compression, protruding circular ring is embedded in inside soil body, plays the effect of anti-floating.A2/ O integration apparatus tank 4 bury underground with earth's surface below, floor space is little, and combination type is installed, and easy for installation, transport is quick.
As it is shown in fig. 7, A2Arranging fixed bed filler 9 in tank body as Aerobic Pond and anaerobic pond in/O integration apparatus tank 4, fixed bed filler 9 uses the netted plastic cylinder 37 of hollow to be formed by stacking.Netted plastic cylinder 37 is internal in hollow-core construction, and barrel is connect by netted plastic ring and forms.Multiple netted plastic cylinders 37 vertically prevent, and are layering, and constitute fixed bed filler 9, for microorganism colonization.Netted plastic cylinder 37 uses plastics corrosion-resistant, ageing-resistant, resistant to elevated temperatures to make, and sewage is Three-dimensional Flow in bed body, is thoroughly mixed, and has oxygen transfer efficiency high, and the life-span is long, it is not easy to the advantage of blocking, and without support when installing.
As shown in Figure 6, described A2/ O integration apparatus tank 4 top is provided with can opening type cover 35, it is simple to overhauling tank interior structure, sidewall is provided with drainage flow pipeline 36；Described multiple A2As the A of Aerobic Pond in/O integration apparatus tank 42/ O integration apparatus tank 4 tank body inner bottom part is additionally provided with tube aerator 39, and tube aerator 39 uses polyurethane tube aerator, and its diaphragm material uses polyurethane mixture, have be difficult to embrittlement, advantage that energy loss is few.
As shown in Figure 3, on amorphous silicon membrane formula solar panel 10, angle regulator is installed, described angle adjusting mechanism device includes lifting arm motor 17 and solar energy electric lifting arm 18, solar energy electric lifting arm 18 is arranged on amorphous silicon membrane formula solar panel 10 one end, one end that solar energy electric lifting arm 18 is connected with amorphous silicon membrane formula solar panel 10 is provided with lifting arm telescopic joint 25, lifting arm motor 17 it is provided with bottom solar energy electric lifting arm 18, lifting arm motor 17 controls the length of solar energy electric lifting arm 18 by driving elongating or shortening of lifting arm telescopic joint 25.Different time sections in one day, can be controlled the angle of amorphous silicon membrane formula solar panel 10 and sunlight light, thus utilize solar energy to greatest extent by regulation solar energy electric lifting arm 18 length.The control of regulation solar energy electric lifting arm 18 length can realize with automatization, it is also possible to departs from automation equipment, uses and is manually finely adjusted.The present embodiment uses and manually adjusts form.
As shown in Figure 4 and Figure 5, artificial wet land treating system is in series by vertical current constructed wetland and horizontal flow artificial wetland, vertical current constructed wetland and horizontal flow artificial wetland bottom filling layer 12 are followed successively by sandy soils 29, sand stone layer 30, mixed-matrix layer 32 and gravel layer 33 from top to bottom, wherein sand stone layer 30 is provided with immobilized microorganism layer 31, being provided with heating constant temperature rod 14 and boring aeration pipe 15 in mixed-matrix layer 32, boring aeration pipe 15 is all connected with aeration blower 21 with tube aerator 39；Horizontal flow artificial wetland is connected with water level regulating box 24 by wet well 22.Liquid level monitoring float switch 23 it is provided with in wet well 22, height of water level for the artificial wet land treating system that monitoring is connected with wet well 22, when water level is too high, carry out detecting control by liquid level monitoring float switch 23, unnecessary water is discharged in water level regulating box 24, keeps the operating load of artificial wet land treating system less than processing load.
As in figure 2 it is shown, be additionally provided with spray equipment 16 and ventilation unit 19 in canopy formula thin-film photovoltaic solar greenhouse, spray equipment 16 is connected with accumulator 8 by temperature detect switch (TDS) with ventilation unit 19.When canopy formula thin-film photovoltaic solar temperature indoor temperature is higher than the tolerable temperature of wetland plant 13, utilizes temperature detect switch (TDS) to open spray equipment 16 and ventilation unit 19 is lowered the temperature.Ventilation unit 19 includes vent window and ventilation blower.Plural serial stage artificial marsh sewage treatment system is powered by accumulator 8, current consuming apparatus in plural serial stage artificial marsh sewage treatment system includes micro power elevator pump, aeration blower, heating constant temperature rod, boring aeration pipe, spray equipment and lifting arm motor, is all connected with storage battery by controller for solar and inverter.
As in figure 2 it is shown, described micro power elevator pump 2, aeration blower 21, heating constant temperature rod 14, boring aeration pipe 15 and lifting arm motor 17 are all electrically connected with accumulator 8 by controller for solar 7 and inverter 6.The electric energy converted when amorphous silicon membrane formula solar panel 10 exports after controller for solar digitized regulates, the electric energy of output is sent to accumulator 8 and stores, 12V, 24V or 48V unidirectional current is converted to 220V alternating current through inverter by the electric energy of excess, for the energy expenditure of whole sewage disposal system, unnecessary electric energy enters civil power by grid-connected system.Additionally, accumulator 8 constitutes light-electricity complementary system with mains system 5 simultaneously, both also connect, mutually as supplementing energy supply；When lasting cloudy day or solar energy supply not enough, whole system can be fed by civil power.
The annexation of whole artificial marsh sewage treatment system is as follows:
Grid pond 1, regulating reservoir 3, A2/ O integration apparatus tank 4, vertical current constructed wetland 11, horizontal flow artificial wetland 20, wet well 22 and water level regulating box 24 are sequentially connected.A2/ O integration apparatus tank use PE tank body 34, top arrange can opening type cover 35, tank interior arranges fixed bed filler 9, and tank base is provided with tube aerator 39.Vertical current constructed wetland 11, horizontal flow artificial wetland 20 may be contained within canopy formula thin-film photovoltaic solar greenhouse, top, greenhouse is provided with spray equipment 16 and ventilation unit 19, greenhouse is connected by solar energy electric lifting arm 18 with amorphous silicon membrane formula solar panel 10, lifting arm motor 17 it is provided with bottom solar energy electric lifting arm 18, top is provided with lifting arm telescopic joint 25, vertical current constructed wetland 11, horizontal flow artificial wetland 20 surface grafting wetland plant 13, vertical current constructed wetland 11, horizontal flow artificial wetland 20 is internal is equipped with packing layer 12 and Flow in Wetland passage 28, vertical current constructed wetland 11, horizontal flow artificial wetland 20 packing layer 12 is consistent.Wetland sump 27 is arranged at vertical current constructed wetland 11 front end, and micro power elevator pump 2 is arranged in regulating reservoir 3, by water inlet pipe 26 by the sewage transport in regulating reservoir 3 to wetland sump 27, is provided with liquid level monitoring float switch 23 in wet well 22.Boring aeration pipe 15 is connected with aeration blower 21 with tube aerator 39.Micro power elevator pump 2, heating constant temperature rod 14, boring aeration pipe 15, spray equipment 16, lifting arm motor 17, ventilation unit 19, aeration blower, tube aerator 39 are all connected with accumulator 8.Amorphous silicon membrane formula solar panel 10 is connected with accumulator 8 by inverter 6, controller for solar 7, and accumulator 8 is connected with mains system 5 light-electricity complementary.
The plural serial stage artificial marsh sewage treating method based on solar energy using described processing system comprises the steps:
1) sewage flows through grid pond 1 and regulating reservoir 3 successively by pipe network, utilizes grid pond 1 filter off float and utilize regulating reservoir 3 to carry out sewage all and regulation process；
2) will be through step 1 by micro power elevator pump 2) process after sewage lifting to A2In/O integration apparatus tank 4, multiple A2/ O integration apparatus tank 4 is respectively according to tradition A2The setting of/O technique, processes sewage as anaerobic reactor, anoxic reacter, aerobic reactor and sedimentation tank successively, and wherein in aerobic reactor, sewage backflow is to anoxic reacter, and reflux ratio is 2:1；
3) by through step 2) process after sewage enter in the wetland sump 27 of vertical current constructed wetland 11 by water inlet pipe 26, sandy soils 29, sand stone layer 30, immobilized microorganism layer 31, mixed-matrix layer 32 and a gravel layer 33 again by Flow in Wetland passage 28 at the bottom of surface longitudinal flow to bed, during sewage sequentially passes through the root system of wetland plant 13 and packing layer 12 during longitudinal flow；During sewage longitudinal flow, the heating constant temperature rod 14 installed in mixed-matrix layer 32 is utilized to provide heat for whole bed body, utilize aeration blower 21 to carry out aeration by boring aeration pipe 15 simultaneously, it is allowed to form aerobic zone, anoxic zone and anaerobic zone at boring aeration pipe 15 periphery by distance, makes the nutrient substance such as COD, N, P in sewage reach the purpose of denitrogenation dephosphorizing and organics removal in different environment；The use of boring aeration pipe 15 simultaneously can also be effectively prevented from the generation of filler blockage problem.
4) by through step 3) process after sewage enter horizontal flow artificial wetland 20, during plug-flow, sewage flows to outlet from the water inlet of level stream through packing layer successively, and utilize the boring aeration pipe 15 being connected with aeration blower 21 to carry out oxygen supply, simultaneously, heating constant temperature rod 14 is utilized to be incubated, to remove the pollutant in sewage further；Described vertical current constructed wetland and horizontal flow artificial wetland may be contained within canopy formula thin-film photovoltaic solar greenhouse, temperature of shed can be controlled by canopy formula thin-film photovoltaic solar greenhouse by spray equipment 16 and ventilation unit 19, when temperature is higher than setting value, opens spray equipment 16 and ventilation unit 19 is lowered the temperature；The amorphous silicon membrane formula solar panel of canopy formula thin-film photovoltaic solar top of greenhouse can drive elongating or shortening of lifting arm telescopic joint 25 to control the length of solar energy electric lifting arm 18 by lifting arm motor 17, thus regulates the angle angle that amorphous silicon membrane formula solar panel is formed with sunray；
5) by through step 4) process after sewage enter wet well 22, carry out qualified discharge, if hydraulic load is excessive, by wet well 22 install liquid level monitoring float switch 23 Monitoring and Controlling current enter water level regulating box 24.
The described current consuming apparatus in artificial marsh sewage treatment system all carries out energy supply by accumulator 8, including the micro power elevator pump 2 in above-mentioned steps, aeration blower 21, heating constant temperature rod 14, boring aeration pipe 15, spray equipment 16 and lifting arm motor 17, and accumulator is connected with amorphous silicon membrane formula solar panel, the solar energy that amorphous silicon membrane formula solar panel absorbs changes into electric energy, export after controller for solar digitized regulates, and be stored in accumulator, light-electricity complementary between accumulator and civil power, mutually carries out energy supply conversion.During sunlight deficiency, it is possible to use civil power carries out system power supply.Sunlight segmentation is utilized by the amorphous silicon membrane formula solar panel that top of greenhouse is laid, and is respectively used to generating and for photosynthesis of plant.
This covering device is applied in practical engineering project, and its treatment effect is good, and its water outlet is higher than general artificial swamp, all reaches relevant national standard.And easy construction, in actual moving process, operating cost is relatively low.In the present embodiment, utilize above-mentioned solar energy as the A of power supply device2When/O integration apparatus and composite artificial marsh sewage treatment system process, the design parameter of this system Inlet and outlet water water quality is as shown in table 1:
Table 1 composite artificial wet land treating system Inlet and outlet water water quality
| Index | COD | BOD | NH3-N | SS | TN | TP | pH |
| Water inlet (mg/L) | 301 | 160 | 24 | 198 | 30 | 7 | 6 |
| Water outlet (mg/L) | 45 | 8 | 3 | 9 | 6 | 1 | 7 |
| Clearance (%) | 85 | 95 | 88 | 96 | 80 | 86 | / |
It should be noted that embodiment described above is the one preferably scheme of the present invention, so it is not intended to limiting the invention, the technical scheme that all modes taking equivalent or equivalent transformation are obtained, and all falls within protection scope of the present invention.
Claims (7)
1. a plural serial stage artificial marsh sewage treatment system based on solar energy, it is characterised in that: include A2/ O processing means and artificial wet land treating system, A2/ O processing means and artificial wet land treating system are arranged in series, and sewage is carried out multistep treatment；Described artificial wet land treating system is arranged in canopy formula thin-film photovoltaic solar greenhouse, the outer surface of cupular part in canopy formula thin-film photovoltaic solar greenhouse lays amorphous silicon membrane formula solar panel (10), amorphous silicon membrane formula solar panel (10) is connected with accumulator (8) by controller for solar (7), and plural serial stage artificial marsh sewage treatment system is powered by accumulator (8)；Described A2The cell body of/O processing means uses multiple A2/ O integration apparatus tank (4) is according to A2The handling process of/O technique assembles, and arranges reflux line, A2/ O integration apparatus tank (4) uses PE material, A2PE tank body (34) outer surface of/O integration apparatus tank (4) is corrugated tank skin (38), and the upper horizontal loops of corrugated tank skin (38) is wound with multiple bulge-structure；Described A2Arranging fixed bed filler (9) in/O integration apparatus tank (4) in tank body as Aerobic Pond and anaerobic pond, fixed bed filler (9) uses the netted plastic cylinder (37) of hollow to be formed by stacking；Described A2/ O integration apparatus tank (4) top be provided with can opening type cover (35), sidewall is provided with drainage flow pipeline (36)；Described multiple A2As the A of Aerobic Pond in/O integration apparatus tank (4)2/ O integration apparatus tank (4) tank body inner bottom part is additionally provided with tube aerator (39), and tube aerator (39) uses polyurethane tube aerator.
null2. plural serial stage artificial marsh sewage treatment system based on solar energy as claimed in claim 1，It is characterized in that: on described amorphous silicon membrane formula solar panel (10), angle regulator is installed，Described angle adjusting mechanism device includes lifting arm motor (17) and solar energy electric lifting arm (18)，Solar energy electric lifting arm (18) is arranged on amorphous silicon membrane formula solar panel (10) one end，One end that solar energy electric lifting arm (18) is connected with amorphous silicon membrane formula solar panel (10) is provided with lifting arm telescopic joint (25)，Solar energy electric lifting arm (18) bottom is provided with lifting arm motor (17)，Lifting arm motor (17) controls the length of solar energy electric lifting arm (18) by driving elongating or shortening of lifting arm telescopic joint (25).
3. plural serial stage artificial marsh sewage treatment system based on solar energy as claimed in claim 1, it is characterized in that: described artificial wet land treating system is in series by vertical current constructed wetland and horizontal flow artificial wetland, vertical current constructed wetland and horizontal flow artificial wetland bottom filling layer (12) are followed successively by sandy soils (29) from top to bottom, sand stone layer (30), mixed-matrix layer (32) and gravel layer (33), wherein sand stone layer (30) is provided with immobilized microorganism layer (31), mixed-matrix layer (32) is provided with heating constant temperature rod (14) and boring aeration pipe (15), boring aeration pipe (15) is all connected with aeration blower (21) with tube aerator (39)；Horizontal flow artificial wetland is connected with water level regulating box (24) by wet well (22).
4. plural serial stage artificial marsh sewage treatment system based on solar energy as claimed in claim 1, it is characterized in that: described canopy formula thin-film photovoltaic solar greenhouse is additionally provided with spray equipment (16) and ventilation unit (19), spray equipment (16) and ventilation unit (19) and is connected with accumulator (8) by temperature detect switch (TDS).
5. plural serial stage artificial marsh sewage treatment system based on solar energy as claimed in claim 1, it is characterised in that: described accumulator (8) constitutes light-electricity complementary system with mains system (5) simultaneously, mutually as supplementing energy supply.
6. the sewage water treatment method of the artificial marsh sewage treatment system used described in claim 1, it is characterised in that: comprise the steps:
1) sewage flows through grid pond (1) and regulating reservoir (3) successively by pipe network, filters off float and carries out sewage all processing with regulation；
2) will be through step 1 by micro power elevator pump (2)) process after sewage lifting to A2In/O integration apparatus tank (4), multiple A2Sewage is processed by/O integration apparatus tank (4) respectively as anaerobic reactor, anoxic reacter, aerobic reactor and sedimentation tank, and wherein in aerobic reactor, sewage backflow is to anoxic reacter, and reflux ratio is 2:1；
3) by through step 2) process after sewage enter in the wetland sump (27) of vertical current constructed wetland (11) by water inlet pipe (26), flowed from the bottom up by packing layer (12) bottom by Flow in Wetland passage (28) again, gravel layer (33), mixed-matrix layer (32), immobilized microorganism layer (31), sand stone layer (30), sandy soils (29) and the root system of wetland plant (13) during sewage sequentially passes through packing layer (12) during longitudinal flow；
4) by through step 3) process after sewage enter horizontal flow artificial wetland (20), during plug-flow, sewage flows to outlet from the water inlet of level stream through packing layer successively, and utilize the boring aeration pipe (15) being connected with aeration blower (21) to carry out oxygen supply, simultaneously, heating constant temperature rod (14) is utilized to be incubated, to remove the pollutant in sewage further；
5) by through step 4) process after sewage enter wet well (22), carry out qualified discharge, enter water level regulating box (24) by liquid level monitoring float switch (23) the Monitoring and Controlling current installed in wet well (22).
7. sewage water treatment method as described in claim 6, it is characterized in that: described step 3) in during sewage longitudinal flow, heating constant temperature rod (14) installed in mixed-matrix layer (32) is utilized to provide heat for whole bed body, utilize aeration blower (21) to carry out aeration by boring aeration pipe (15) simultaneously, it is allowed to form aerobic zone, anoxic zone and anaerobic zone at boring aeration pipe (15) periphery by distance, reaches the purpose of denitrogenation dephosphorizing；
Described vertical current constructed wetland and horizontal flow artificial wetland may be contained within canopy formula thin-film photovoltaic solar greenhouse, temperature of shed is controlled by canopy formula thin-film photovoltaic solar greenhouse by spray equipment (16) and ventilation unit (19), when temperature is higher than setting value, open spray equipment (16) and ventilation unit (19) cooling；The amorphous silicon membrane formula solar panel of canopy formula thin-film photovoltaic solar top of greenhouse can drive the length controlling solar energy electric lifting arm (18) that elongates or shortens of lifting arm telescopic joint (25) by lifting arm motor (17), thus regulates the angle angle that amorphous silicon membrane formula solar panel is formed with sunray；
The described current consuming apparatus in artificial marsh sewage treatment system all carries out energy supply by accumulator (8), and accumulator is connected with amorphous silicon membrane formula solar panel, the solar energy that amorphous silicon membrane formula solar panel absorbs changes into electric energy, export after controller for solar digitized regulates, and be stored in accumulator, light-electricity complementary between accumulator and civil power, mutually carries out energy supply conversion.
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| CN107265619A (en) * | 2016-04-06 | 2017-10-20 | 世奇综合环境株式会社 | Utilize the quality purifying device for water of solar power generation |
| CN106219782A (en) * | 2016-08-11 | 2016-12-14 | 华电水务工程有限公司 | A kind of distributed photovoltaic and civil power work in coordination with the method for power supply sewage treatment plant |
| CN107055799B (en) * | 2017-04-27 | 2020-08-04 | 东南大学 | Rural domestic sewage low-temperature operation treatment system and treatment method thereof |
| CN107162337B (en) * | 2017-06-26 | 2020-08-14 | 华北电力大学 | Multi-medium ecological treatment system and method for rural domestic sewage in frigid and arid regions |
| CN109987796B (en) * | 2019-04-28 | 2024-04-09 | 深圳市清蓝工程咨询有限公司 | Efficient water purification modularized constructed wetland system |
| CN110921833B (en) * | 2019-12-26 | 2021-09-24 | 暨南大学 | Sewage treatment system and method for strengthening anaerobic ammonia oxidation denitrification and phosphorus removal of domestic sewage |
| CN111689653B (en) * | 2020-06-29 | 2022-11-04 | 中国科学院生态环境研究中心 | Biological-ecological integrated sewage treatment device and treatment method |
| CN113045126B (en) * | 2021-03-19 | 2022-03-04 | 靳晨昊 | Urban sewage environmental protection and energy saving processing system |
| CN113480108A (en) * | 2021-08-16 | 2021-10-08 | 杭州霖波环保科技有限公司 | Domestic sewage comprehensive treatment system |
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