CN104876399A - 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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- CN104876399A CN104876399A CN201510272977.3A CN201510272977A CN104876399A CN 104876399 A CN104876399 A CN 104876399A CN 201510272977 A CN201510272977 A CN 201510272977A CN 104876399 A CN104876399 A CN 104876399A
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- 239000010865 sewage Substances 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 43
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- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 238000005273 aeration Methods 0.000 claims description 41
- 239000012528 membrane Substances 0.000 claims description 35
- 230000010354 integration Effects 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 27
- 239000010409 thin film Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 18
- 238000005276 aerator Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000011159 matrix material Substances 0.000 claims description 13
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- 239000004576 sand Substances 0.000 claims description 10
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- 244000005700 microbiome Species 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
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- RMWVZGDJPAKBDE-UHFFFAOYSA-N 2-acetyloxy-4-(trifluoromethyl)benzoic acid Chemical compound CC(=O)OC1=CC(C(F)(F)F)=CC=C1C(O)=O RMWVZGDJPAKBDE-UHFFFAOYSA-N 0.000 description 2
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- 229910052742 iron Inorganic materials 0.000 description 1
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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)
- Biological Treatment Of Waste Water (AREA)
- Photovoltaic Devices (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 sun power and method thereof.
Background technology
China's people in the countryside substantial amounts, the living environment in rural area and quality embody the integral level of China's Economic development to a great extent.Along with the enforcement of national environmental protection policy, improving constantly of Living consumption and environmental consciousness, the construction of Sewage Treatment Project is being carried forward vigorously in a lot of rural area at present, to protect and to improve rural environment.Increasing technology is applied to rural sewage treatment, mainly contains anaerobic methane pool technology, stabilization pond technology, soil filtration technology and Artificial Wetland Techniques etc.
What China's domestic sewage in rural areas major part adopted is that methane-generating pit simple process is directly discharged, and causes serious harm to environment.Some motorless treatment tanks, namely large-scale methane-generating pit, anaerobic pretreatment+Artificial Wetland Techniques is also well utilized in rural domestic sewage treatment, but process water outlet is still difficult to up to standard, and the foul smell of generation also makes people hang back.Some conventional microkinetic sewage disposal technologies not only need electricity consumption, also need personal management and maintenance, and inapplicable in rural area, some facilities even become ornaments.Consider that motorless sewage treatment facility is difficult to reach emission standard, and the microkinetic sewage treatment facility power consumption of some electricity consumptions is serious, need commercial power supply, large-scale promotion application is difficult in the rural area of economics of underdevelopment, power supply difficulty, running 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, utilize solar electrical energy generation to provide required electric power for sewage disposal device, there is permanent, the advantage such as spatter property, economy and ubiquity.The new forms of energy that sun power is most widely used as the whole world, embody the concept of environmental protection especially for sewage disposal.Consider the present situations such as some regional illumination wastewater treatment efficiency at not enough and night is not good, be provided with civil power supply and grid-connected system simultaneously, not only ensure that the normal operation of Sewage treatment systems under particular surroundings, also saved city's electric consumption to a certain extent.
Combined artificial wetland have initial cost little, pollute high, the flexible arrangement of removal efficiency and the advantage such as operation maintenance management is convenient, be very suitable for country sewage purifying treatment.Rural areas physical features is open, solar energy resources is abundant and be convenient to utilize, the heliotechnics of maturation is coupled into artificial wetland purifying system, design the sun power 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
The object of the invention is to solve problems of the prior art, and provide a kind of sun power that utilizes as the artificial marsh sewage treatment system of power supply device and method thereof.
Plural serial stage artificial marsh sewage treatment system based on sun power comprises A
2/ O treatment unit and artificial wet land treating system, A
2/ O treatment unit and artificial wet land treating system are arranged in series, and carry out multiple-stage 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, amorphous silicon membrane formula solar panel is connected with store battery by controller for solar, and plural serial stage artificial marsh sewage treatment system is powered by store battery.
Described A
2the pond body of/O treatment unit adopts multiple A
2/ O integration apparatus tank is according to A
2the treatment scheme of/O technique assembles, and arranges reflux line, A
2/ O integration apparatus tank adopts PE material, A
2the PE tank body outside surface of/O integration apparatus tank is corrugated tank skin, and on corrugated tank skin, horizontal loops is wound with multiple bulge-structure.
Described A
2arrange fixed bed filler as in the tank body of Aerobic Pond and anaerobic pond in/O integration apparatus tank, fixed bed filler adopts the netted plastic cylinder of hollow to be formed by stacking.
Described A
2/ O integration apparatus tank top is provided with can opening type cover, and sidewall is provided with drainage flow pipeline; Described multiple A
2as the A of Aerobic Pond in/O integration apparatus tank
2/ O integration apparatus tank inner bottom part is also provided with tube aerator, and tube aerator adopts urethane tube aerator.
Described amorphous silicon membrane formula solar panel is provided with angle regulator, described angle adjusting mechanism device comprises lifting rod motor and solar energy electric lifting rod, solar energy electric lifting rod is arranged on amorphous silicon membrane formula solar panel one end, one end that solar energy electric lifting rod is connected with amorphous silicon membrane formula solar panel is provided with lifting rod telescopic joint, be provided with lifting rod motor bottom solar energy electric lifting rod, lifting rod motor elongates or shortens by driving lifting rod telescopic joint the length controlling solar energy electric lifting rod.
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 bed from top to bottom, wherein be provided with immobilized microorganism layer in sand stone layer, be 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 regulation of level case by wet well.
Also be provided with spray equipment and ventilation plant in described canopy formula thin-film photovoltaic solar greenhouse, spray equipment is connected with store battery by temperature controlled switch with ventilation plant.
Described store battery forms light-electricity complementary system with mains system, energy supply as a supplement mutually simultaneously.
The sewage water treatment method of described artificial marsh sewage treatment system is used to comprise the steps:
1) sewage flows through grating tank and equalizing tank successively by pipe network, and elimination suspended substance also carries out all processing with adjustment to sewage;
2) will through step 1 by microkinetic lift pump) sewage lifting after process is to A
2in/O integration apparatus tank, multiple A
2/ O integration apparatus tank processes sewage respectively as anaerobic reactor, anoxic reacter, aerobic reactor and settling tank, and wherein in aerobic reactor, sewage backflow is to anoxic reacter, and reflux ratio is 2:1;
3) by through step 2) sewage after process enters in the wetland pump well of vertical current constructed wetland by water inlet pipe, flowed from the bottom up by bottom packing layer by Flow in Wetland passage again, the root system of the gravel bed of sewage successively in packing layer, mixed-matrix layer, immobilized microorganism layer, sand stone layer, sandy soils and wetland plant in the process of longitudinal flow;
4) by through step 3) sewage after process enters horizontal flow artificial wetland, in plug-flow process, sewage flows to water outlet from the water-in of horizontal flow through packing layer successively, and utilize the boring aeration pipe be connected with aeration blower to carry out oxygen supply, simultaneously, heating constant temperature rod is utilized to be incubated, to remove the pollutent in sewage further;
5) by through step 4) sewage after process enters wet well, and carry out qualified discharge, enter regulation of level case by the liquid level monitoring float switch Monitoring and Controlling current installed in wet well.
Described step 3) in sewage longitudinal flow process in, utilize the heating constant temperature installed in mixed-matrix layer excellent for whole bed body provides heat, utilize aeration blower to carry out aeration by boring aeration pipe simultaneously, make it to form aerobic zone, oxygen-starved area and anaerobic zone at boring aeration pipe periphery by distance, reach the object of denitrogenation dephosphorizing;
Described vertical current constructed wetland and horizontal flow artificial wetland are all arranged in canopy formula thin-film photovoltaic solar greenhouse, canopy formula thin-film photovoltaic solar greenhouse is controlled temperature of shed by spray equipment and ventilation plant, when temperature is higher than set(ting)value, open spray equipment and ventilation plant cooling; What the amorphous silicon membrane formula solar panel of canopy formula thin-film photovoltaic solar top of greenhouse drove lifting rod telescopic joint by lifting rod motor elongates or shortens the length controlling solar energy electric lifting rod, thus regulates the angle angle that amorphous silicon membrane formula solar panel and solar ray are formed;
Current consuming apparatus in described artificial marsh sewage treatment system all carries out energy supply by store battery, and store battery is connected with amorphous silicon membrane formula solar panel, the sun power that amorphous silicon membrane formula solar panel absorbs changes into electric energy, export after controller for solar digitizing regulates, and be stored in store battery, light-electricity complementary between store battery and civil power, carries out energy supply conversion mutually.
The invention has the beneficial effects as follows:
1, canopy formula thin-film photovoltaic solar greenhouse had both met the light and temperature needs of plant normal growth in each in season, realized opto-electronic conversion again, low cost optical energy power.
2, have employed vertical current constructed wetland and drowned flow artificial wet land series model, floor space is less, avoid undercurrent not good to ammonia nitrogen, phosphorus treatment effect, the various Pollutant Treatment efficiency of this combined artificial wetland to water body are higher, meet standard water discharge emission request.
3, automatic control solar energy electric lifting rod installed by thin-film photovoltaic solar plate, can along with sun angle change telescopic adjustment photovoltaic panel towards, improve the utilization ratio of sun power.
4, A
2/ O fixed bed system tank body adopts modified PE material, adds antioxidant, the additives such as anti UV agent, can resistance to all kinds of corrosion, and is embedded in underground, decreases land area.
5, A
2in/O equipment tank body, media-filling rate is high, and achieve triflux, mix completely, oxygen transfer efficiency is high, and the biofilm time is short, and the life-span is long, is not easy blocking.
6, fixed bed tank body bulk strength is high, and anti-floating performance is good, and the little quality of single tank body volume is light, and built-up type is installed, and installation and transportation are convenient.
7, in aerobic tank body, tube aerator adopts polyurethane material, and treatment effect is better, and power loss reduces 25%, and work-ing life is long.
8, utilize civil power as the supply energy, ensure that special weather situation and night Sewage treatment systems normal operation.Be provided with again grid-connected mains system simultaneously, meet sun power unnecessary when system is normally run and enter mains system.
9, heating constant temperature rod and micropore perforated pipe are installed in Performance of Constructed Wetlands Substrates layer, have improved sewage treating efficiency.
10, water level detecting and controlling device installed by wet well, and when hydraulic load is excessive, the regulation and control part water yield enters in regulation of level case.
Accompanying drawing explanation
Fig. 1 is that a kind of sun power that utilizes is as the schematic diagram of the artificial marsh sewage treatment system of power supply device;
Fig. 2 is solar power supply apparatus system of the present invention;
Fig. 3 is solar energy electric lifting rod of the present invention;
Fig. 4 is vertical current constructed wetland structure iron of the present invention;
Fig. 5 is wet land filler layer schematic diagram of the present invention;
Fig. 6 is PE tank structure figure of the present invention;
Fig. 7 is packing layer schematic diagram of the present invention.
In figure, grating tank 1, microkinetic lift pump 2, equalizing tank 3, A
2/ O integration apparatus tank 4, mains system 5, invertor 6, controller for solar 7, store battery 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 rod motor 17, solar energy electric lifting rod 18, ventilation plant 19, horizontal flow artificial wetland 20, aeration blower 21, wet well 22, liquid level monitoring float switch 23, regulation of level case 24, lifting rod telescopic joint 25, water inlet pipe 26, wetland pump well 27, Flow in Wetland passage 28, sandy soils 29, sand stone layer 30, immobilized microorganism layer 31, mixed-matrix layer 32, gravel bed 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.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is described in further details.
embodiment 1:
As shown in Figure 1, based on the plural serial stage artificial marsh sewage treatment system of sun power, A is comprised
2/ O treatment unit and artificial wet land treating system, wherein A
2/ O treatment unit and artificial wet land treating system series connection, carry out multiple-stage 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 store battery 8 by controller for solar 7.Amorphous silicon membrane formula solar panel 10 is a kind of thin-film solar cells being essentially consist with non-crystalline silicon compound, its exclusive light splitting technology, solar photovoltaic segmentation can be utilized: UV-light and purple, indigo, indigo plant, green, gold-tinted are used for generating electricity, carry out photoelectric conversion, and the orange light of a part and ruddiness are through cell panel, because photosynthesis of plant mainly relies on ruddiness, the plant under cell panel can normal growth.And amorphous silicon membrane formula solar panel 10 can utilize specific function film, according to the requirement of artificial swamp to temperature, by infrared light selectivity through or reflection, thus regulate the temperature in canopy formula thin-film photovoltaic solar greenhouse.
As shown in Figure 6, A
2the pond body of/O treatment unit adopts multiple A
2/ O integration apparatus tank 4 is according to A
2the treatment scheme of/O technique assembles, and arranges reflux line, tank body once shaped, has good bulk strength, and is convenient to transport.In use procedure, multiple A
2/ O integration apparatus tank 4 substitutes the concrete basin in traditional technology, is provided with the pond bodies such as anaerobic pond, anoxic pond, Aerobic Pond, settling tank.A
2pE tank body 34 outside 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 interval be arranged on tank body, after soil compression, protruding circular ring is embedded in inside soil body, plays the effect of anti-floating.A
2/ O integration apparatus tank 4 bury underground with earth's surface below, floor space is little, and built-up type is installed, and easy for installation, transport is quick.
As shown in Figure 7, A
2arrange fixed bed filler 9 as in the tank body of Aerobic Pond and anaerobic pond in/O integration apparatus tank 4, fixed bed filler 9 adopts the netted plastic cylinder 37 of hollow to be formed by stacking.Netted plastic cylinder 37 inside is in hollow structure, and barrel is formed by netted plastic articulating.Multiple netted plastic cylinder 37 vertically prevents, and is layering, and forms fixed bed filler 9, for microorganism colonization.Netted plastic cylinder 37 adopts corrosion-resistant, ageing-resistant, resistant to elevated temperatures plastics to make, and sewage is triflux in bed body, mixes completely, has oxygen transfer efficiency high, and the life-span is long, does not allow susceptible to plugging advantage, and without the need to support when installing.
As shown in Figure 6, described A
2/ O integration apparatus tank 4 top is provided with can opening type cover 35, and be convenient to overhaul tank interior structure, sidewall is provided with drainage flow pipeline 36; Described multiple A
2as the A of Aerobic Pond in/O integration apparatus tank 4
2/ O integration apparatus tank 4 tank body inner bottom part is also provided with tube aerator 39, and tube aerator 39 adopts urethane tube aerator, and its diaphragm material adopts urethane mixture, has not easily brittle, advantage that power loss is few.
As shown in Figure 3, amorphous silicon membrane formula solar panel 10 is provided with angle regulator, described angle adjusting mechanism device comprises lifting rod motor 17 and solar energy electric lifting rod 18, solar energy electric lifting rod 18 is arranged on amorphous silicon membrane formula solar panel 10 one end, one end that solar energy electric lifting rod 18 is connected with amorphous silicon membrane formula solar panel 10 is provided with lifting rod telescopic joint 25, lifting rod motor 17 is provided with bottom solar energy electric lifting rod 18, lifting rod motor 17 elongates or shortens by driving lifting rod telescopic joint 25 the length controlling solar energy electric lifting rod 18.Different time sections in one day, by regulating the angle of solar energy electric lifting rod 18 cut to lengthen amorphous silicon membrane formula solar panel 10 and sunlight light, thus utilizes sun power to greatest extent.Regulate the control of solar energy electric lifting rod 18 length automatization to realize, also can depart from automatic equipment, adopt and manually finely tune.Adopt in the present embodiment and manually adjust 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 bed 33 from top to bottom, wherein be provided with immobilized microorganism layer 31 in sand stone layer 30, be 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 regulation of level case 24 by wet well 22.Liquid level monitoring float switch 23 is provided with in wet well 22, for monitoring the elevation of water surface of the artificial wet land treating system be connected with wet well 22, when water level is too high, detection control is carried out by liquid level monitoring float switch 23, unnecessary water is discharged in regulation of level case 24, keeps the operating load of artificial wet land treating system to be no more than processing load.
As shown in Figure 2, be also provided with spray equipment 16 and ventilation plant 19 in canopy formula thin-film photovoltaic solar greenhouse, spray equipment 16 is connected with store battery 8 by temperature controlled switch with ventilation plant 19.When the tolerable temperature of canopy formula thin-film photovoltaic solar temperature room temp higher than wetland plant 13, temperature controlled switch is utilized to open spray equipment 16 and ventilation plant 19 is lowered the temperature.Ventilation plant 19 comprises vent window and ventilator.Plural serial stage artificial marsh sewage treatment system is powered by store battery 8, current consuming apparatus in plural serial stage artificial marsh sewage treatment system comprises microkinetic lift pump, aeration blower, heating constant temperature rod, boring aeration pipe, spray equipment and lifting rod motor, is all connected with storage battery with invertor by controller for solar.
As shown in Figure 2, described microkinetic lift pump 2, aeration blower 21, heating constant temperature rod 14, boring aeration pipe 15 and lifting rod motor 17 are all electrically connected with store battery 8 by controller for solar 7 and invertor 6.The electric energy transformed when amorphous silicon membrane formula solar panel 10 exports after controller for solar digitizing regulates, the electric energy exported is sent to store battery 8 and stores, 12V, 24V or 48V direct current is converted to 220V alternating-current through invertor by excessive electric energy, for the energy expenditure of whole Sewage treatment systems, unnecessary electric energy enters civil power by grid-connected system.In addition, store battery 8 forms light-electricity complementary system with mains system 5 simultaneously, and both also connect, mutually energy supply as a supplement; When lasting cloudy day or sun power undersupply, civil power can carry out supply to whole system.
The annexation of whole artificial marsh sewage treatment system is as follows:
Grating tank 1, equalizing tank 3, A
2/ O integration apparatus tank 4, vertical current constructed wetland 11, horizontal flow artificial wetland 20, wet well 22 are connected in turn with regulation of level case 24.A
2/ O integration apparatus tank adopts PE tank body 34, and top is arranged can opening type cover 35, and 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 is all arranged in canopy formula thin-film photovoltaic solar greenhouse, top, greenhouse is provided with spray equipment 16 and ventilation plant 19, greenhouse is connected by solar energy electric lifting rod 18 with amorphous silicon membrane formula solar panel 10, lifting rod motor 17 is provided with bottom solar energy electric lifting rod 18, top is provided with lifting rod 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 inside 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 pump well 27 is arranged at vertical current constructed wetland 11 front end, and microkinetic lift pump 2 is arranged in equalizing tank 3, by water inlet pipe 26 by the sewage transport in equalizing tank 3 in wetland pump well 27, be 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.Microkinetic lift pump 2, heating constant temperature rod 14, boring aeration pipe 15, spray equipment 16, lifting rod motor 17, ventilation plant 19, aeration blower, tube aerator 39 are all connected with store battery 8.Amorphous silicon membrane formula solar panel 10 is connected with store battery 8 by invertor 6, controller for solar 7, and store battery 8 is connected with mains system 5 light-electricity complementary.
The plural serial stage artificial marsh sewage treating method based on sun power of described treatment system is used to comprise the steps:
1) sewage flows through grating tank 1 and equalizing tank 3 successively by pipe network, utilizes grating tank 1 elimination suspended substance and utilizes equalizing tank 3 pairs of sewage to carry out all processing with adjustment;
2) will through step 1 by microkinetic lift pump 2) sewage lifting after process is to A
2in/O integration apparatus tank 4, multiple A
2/ O integration apparatus tank 4 difference traditionally A
2the setting of/O technique, processes sewage as anaerobic reactor, anoxic reacter, aerobic reactor and settling tank successively, and wherein in aerobic reactor, sewage backflow is to anoxic reacter, and reflux ratio is 2:1;
3) by through step 2) sewage after process enters in the wetland pump well 27 of vertical current constructed wetland 11 by water inlet pipe 26, again by Flow in Wetland passage 28 at the bottom of surface longitudinal flow to bed, sandy soils 29, sand stone layer 30, immobilized microorganism layer 31, mixed-matrix layer 32 and the gravel bed 33 of sewage successively in the root system and packing layer 12 of wetland plant 13 in the process of longitudinal flow; In the process of 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, make it to form aerobic zone, oxygen-starved area and anaerobic zone at boring aeration pipe 15 periphery by distance, make the nutritive substances such as COD, N, P in sewage in different environment, reach the object of denitrogenation dephosphorizing and organics removal; The use of boring aeration pipe 15 simultaneously can also avoid the generation of filler blockage problem effectively.
4) by through step 3) sewage after process enters horizontal flow artificial wetland 20, in plug-flow process, sewage flows to water outlet from the water-in of horizontal flow through packing layer successively, and utilize the boring aeration pipe 15 be connected with aeration blower 21 to carry out oxygen supply, simultaneously, heating constant temperature rod 14 is utilized to be incubated, to remove the pollutent in sewage further; Described vertical current constructed wetland and horizontal flow artificial wetland are all arranged in canopy formula thin-film photovoltaic solar greenhouse, canopy formula thin-film photovoltaic solar greenhouse controls by spray equipment 16 and ventilation plant 19 pairs of temperature of shed, when temperature is higher than set(ting)value, unlatching spray equipment 16 and ventilation plant 19 are lowered the temperature; What the amorphous silicon membrane formula solar panel of canopy formula thin-film photovoltaic solar top of greenhouse drove lifting rod telescopic joint 25 by lifting rod motor 17 elongates or shortens the length controlling solar energy electric lifting rod 18, thus regulates the angle angle that amorphous silicon membrane formula solar panel and solar ray are formed;
5) by through step 4) sewage after process enters wet well 22, and carry out qualified discharge, if hydraulic load is excessive, enter regulation of level case 24 by the liquid level monitoring float switch 23 Monitoring and Controlling current installed in wet well 22.
Current consuming apparatus in described artificial marsh sewage treatment system all carries out energy supply by store battery 8, comprise the microkinetic lift pump 2 in above-mentioned steps, aeration blower 21, heating constant temperature rod 14, boring aeration pipe 15, spray equipment 16 and lifting rod motor 17, and store battery is connected with amorphous silicon membrane formula solar panel, the sun power that amorphous silicon membrane formula solar panel absorbs changes into electric energy, export after controller for solar digitizing regulates, and be stored in store battery, light-electricity complementary between store battery and civil power, carries out energy supply conversion mutually.When sunlight is not enough, civil power can be utilized to carry out system power supply.Sunlight segmentation utilizes by the amorphous silicon membrane formula solar panel that top of greenhouse is laid, and is respectively used to generating and supplies photosynthesis of plant.
This covering device is applied in practical engineering project, and its treatment effect is good, and its water outlet, higher than general artificial swamp, all reaches relevant national standard.And easy construction, in actual moving process, running cost is lower.In the present embodiment, utilize above-mentioned sun power as the A of power supply device
2when/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 | NH 3-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 above-described embodiment is one of the present invention preferably scheme, so it is not intended to limiting the invention, and all technical schemes taking the mode of equivalent replacement or equivalent transformation to obtain, all drop in protection scope of the present invention.
Claims (10)
1., based on a plural serial stage artificial marsh sewage treatment system for sun power, it is characterized in that: comprise A
2/ O treatment unit and artificial wet land treating system, A
2/ O treatment unit and artificial wet land treating system are arranged in series, and carry out multiple-stage 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), amorphous silicon membrane formula solar panel (10) is connected with store battery (8) by controller for solar (7), and plural serial stage artificial marsh sewage treatment system is powered by store battery (8).
2., as claimed in claim 1 based on the plural serial stage artificial marsh sewage treatment system of sun power, it is characterized in that: described A
2the pond body of/O treatment unit adopts multiple A
2/ O integration apparatus tank (4) is according to A
2the treatment scheme of/O technique assembles, and arranges reflux line, A
2/ O integration apparatus tank (4) adopts PE material, A
2pE tank body (34) outside 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.
3., as claimed in claim 2 based on the plural serial stage artificial marsh sewage treatment system of sun power, it is characterized in that: described A
2arrange fixed bed filler (9) as in the tank body of Aerobic Pond and anaerobic pond in/O integration apparatus tank (4), fixed bed filler (9) adopts the netted plastic cylinder (37) of hollow to be formed by stacking.
4., as claimed in claim 2 based on the plural serial stage artificial marsh sewage treatment system of sun power, it is characterized in that: described A
2/ O integration apparatus tank (4) top is provided with can opening type cover (35), and sidewall is provided with drainage flow pipeline (36); Described multiple A
2as the A of Aerobic Pond in/O integration apparatus tank (4)
2/ O integration apparatus tank (4) tank body inner bottom part is also provided with tube aerator (39), and tube aerator (39) adopts urethane tube aerator.
5. as claimed in claim 1 based on the plural serial stage artificial marsh sewage treatment system of sun power, it is characterized in that: described amorphous silicon membrane formula solar panel (10) is provided with angle regulator, described angle adjusting mechanism device comprises lifting rod motor (17) and solar energy electric lifting rod (18), solar energy electric lifting rod (18) is arranged on amorphous silicon membrane formula solar panel (10) one end, one end that solar energy electric lifting rod (18) is connected with amorphous silicon membrane formula solar panel (10) is provided with lifting rod telescopic joint (25), solar energy electric lifting rod (18) bottom is provided with lifting rod motor (17), lifting rod motor (17) elongates or shortens by driving lifting rod telescopic joint (25) the length controlling solar energy electric lifting rod (18).
6. as claimed in claim 1 based on the plural serial stage artificial marsh sewage treatment system of sun power, 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 bed (33), wherein be provided with immobilized microorganism layer (31) in sand stone layer (30), heating constant temperature rod (14) and boring aeration pipe (15) is provided with 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 regulation of level case (24) by wet well (22).
7. as claimed in claim 1 based on the plural serial stage artificial marsh sewage treatment system of sun power, it is characterized in that: be also provided with spray equipment (16) and ventilation plant (19) in described canopy formula thin-film photovoltaic solar greenhouse, spray equipment (16) is connected with store battery (8) by temperature controlled switch with ventilation plant (19).
8. as claimed in claim 1 based on the plural serial stage artificial marsh sewage treatment system of sun power, it is characterized in that: described store battery (8) forms light-electricity complementary system with mains system (5), energy supply as a supplement mutually simultaneously.
9. use a sewage water treatment method for the artificial marsh sewage treatment system described in claim 1, it is characterized in that: comprise the steps:
1) sewage flows through grating tank (1) and equalizing tank (3) successively by pipe network, and elimination suspended substance also carries out all processing with adjustment to sewage;
2) will through step 1 by microkinetic lift pump (2)) sewage lifting after process is to A
2in/O integration apparatus tank (4), multiple A
2/ O integration apparatus tank (4) processes sewage respectively as anaerobic reactor, anoxic reacter, aerobic reactor and settling tank, and wherein in aerobic reactor, sewage backflow is to anoxic reacter, and reflux ratio is 2:1;
3) by through step 2) sewage after process enters in the wetland pump well (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, the root system of the gravel bed (33) of sewage successively in packing layer (12), mixed-matrix layer (32), immobilized microorganism layer (31), sand stone layer (30), sandy soils (29) and wetland plant (13) in the process of longitudinal flow;
4) by through step 3) sewage after process enters horizontal flow artificial wetland (20), in plug-flow process, sewage flows to water outlet from the water-in of horizontal flow through packing layer successively, and utilize the boring aeration pipe (15) be connected with aeration blower (21) to carry out oxygen supply, simultaneously, heating constant temperature rod (14) is utilized to be incubated, to remove the pollutent in sewage further;
5) by through step 4) sewage after process enters wet well (22), and carry out qualified discharge, enter regulation of level case (24) by liquid level monitoring float switch (23) the Monitoring and Controlling current installed in wet well (22).
10. sewage water treatment method as described in claim 9, it is characterized in that: described step 3) in sewage longitudinal flow process in, utilize at the middle heating constant temperature rod (14) installed of mixed-matrix layer (32) as whole bed body provides heat, utilize aeration blower (21) to carry out aeration by boring aeration pipe (15) simultaneously, make it to form aerobic zone, oxygen-starved area and anaerobic zone at boring aeration pipe (15) periphery by distance, reach the object of denitrogenation dephosphorizing;
Described vertical current constructed wetland and horizontal flow artificial wetland are all arranged in canopy formula thin-film photovoltaic solar greenhouse, canopy formula thin-film photovoltaic solar greenhouse is controlled temperature of shed by spray equipment (16) and ventilation plant (19), when temperature is higher than set(ting)value, open spray equipment (16) and ventilation plant (19) cooling; What the amorphous silicon membrane formula solar panel of canopy formula thin-film photovoltaic solar top of greenhouse drove lifting rod telescopic joint (25) by lifting rod motor (17) elongates or shortens the length controlling solar energy electric lifting rod (18), thus regulates the angle angle that amorphous silicon membrane formula solar panel and solar ray are formed;
Current consuming apparatus in described artificial marsh sewage treatment system all carries out energy supply by store battery (8), and store battery is connected with amorphous silicon membrane formula solar panel, the sun power that amorphous silicon membrane formula solar panel absorbs changes into electric energy, export after controller for solar digitizing regulates, and be stored in store battery, light-electricity complementary between store battery and civil power, carries out energy supply conversion mutually.
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| CN111689653A (en) * | 2020-06-29 | 2020-09-22 | 中国科学院生态环境研究中心 | Biological-ecological integrated sewage treatment device and treatment method |
| CN113045126A (en) * | 2021-03-19 | 2021-06-29 | 靳晨昊 | Urban sewage environmental protection and energy saving processing system |
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