CN106745769A - Solar constant temperature culture microalgae domestic sewage treatment system - Google Patents

Solar constant temperature culture microalgae domestic sewage treatment system Download PDF

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CN106745769A
CN106745769A CN201611188240.4A CN201611188240A CN106745769A CN 106745769 A CN106745769 A CN 106745769A CN 201611188240 A CN201611188240 A CN 201611188240A CN 106745769 A CN106745769 A CN 106745769A
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pond
water
micro
filtering ponds
heliogreenhouse
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CN106745769B (en
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王昱
时文强
李金平
连运涛
卢世国
任海伟
郑健
范严伟
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Lanzhou University of Technology
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Lanzhou University of Technology
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
    • C12M29/04—Filters; Permeable or porous membranes or plates, e.g. dialysis
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
    • C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
    • C12P5/023—Methane
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/59—Biological synthesis; Biological purification
    • 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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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
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  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
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  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
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  • Molecular Biology (AREA)
  • Botany (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

Solar constant temperature culture microalgae domestic sewage treatment system, including wastewater influent filtering ponds（1）, sunlight board heliogreenhouse（2）, micro-algae culture pond（3）, solar energy heating water tank（4）, thermostatic control system（5）With water outlet filtering ponds（6）, wastewater influent filtering ponds（1）With micro-algae culture pond（3）Connection, micro-algae culture pond（3）With sewage water outlet filtering ponds（6）Connection, sunlight board heliogreenhouse（2）It is fitted in micro-algae culture pond（3）And thermostatic control system（5）Outside, solar energy heating water tank（4）It is fitted in sunlight board heliogreenhouse（2）Top, solar energy heating water tank（4）And thermostatic control system（5）Connection, the heat conduction coil pipe in thermostatic control system（5‑5）It is placed on micro-algae culture pond（3）In, water outlet filtering ponds（6）With solar energy heating water tank（4）, micro-algae culture pond（3）, wastewater influent filtering ponds（1）It is connected.

Description

Solar constant temperature culture microalgae domestic sewage treatment system
Technical field
The present invention relates to environmental protection technology, and in particular to the treatment technology of country sewage.
Background technology
With the quickening of China's Rural Urbanization Construction paces, water consumption is being continuously increased villages and small towns resident per capita, causes village Town quantity of wastewater effluent also increases year by year.However, due to villages and small towns sewage collection system and the serious deficient, life of harmless treatment facility Wastewater treatment rate is less than 2.6%.Villages and small towns quantity of wastewater effluent rapid growth, along with the unordered sinuous flow of a large amount of raw sewerages or Directly discharge, have resulted in numerous villages and small towns environmental pollutions seriously, exacerbate the crisis of China's water resources shortage, seriously constrain village Town and the sustainable development of rural economy.Purifying domestic sewage treatment has become China's Rural Urbanization Development urgent need to resolve One of problem.Domestic sewage in rural areas has discharge uneven, and water change is obvious, and the characteristics of discharge dispersion.Traditional sewage Processing method mainly has physical treatment process, method of chemical treatment etc., but these technique generally existing sewage disposal high energy consumptions, treatment N, P plasma content are high in water afterwards, and very likely produce the problem of secondary pollution, and these methods not to be suitable for generally Rural area.Therefore, it is badly in need of research and development domestic sewage of villages and small towns purification treatment technology.
Both at home and abroad biological treatment is directed generally to for domestic sewage of villages and small towns purified treatment research direction.From 1957 Oswald proposes the thought using organic and inorganic compound in microalgae purification sewage, and domestic and international each research institution is feasible to its The aspects such as the clean-up effect of property and various variety classes sewage expand substantial amounts of research.Result proves that frond is thin with other The microorganisms such as bacterium are the same, can be by the effect such as physical absorption, bio assimilated, absorption degraded, biological concentration, so as to by sewage Various nitrogen and phosphorus things and other organic and inorganic compound decrement or resources.Research shows, growth and the training of microalgae Support environment（Illumination, temperature）, nutrient solution（PH, salinity, CO2Concentration, culture medium nutrient inventory）It is closely related with incubation time. Suitable intensity of illumination and light application time are beneficial to the growth of microalgae, too high or too low to bring influence to micro algae growth.And it is big The optimum growth temperature scope of most microalgaes is 16-27 DEG C, and when temperature is less than 16 DEG C, micro algae growth is slow；And it is higher than 35 DEG C When may to some microalgaes produce lethal effect.
The mode of current common utilization microalgae purified treatment sewage mainly has stabilization pond culture, Immobilized culture and photo-biological Bioreactor culture etc..But by envirment factor（Illumination, temperature）With the influence of production efficiency, sewage culture microalgae is basic to test Studied on a small scale interior.However, indoor and outdoor physical condition differs greatly, especially illumination and temperature conditionss, Open air is it is difficult to ensure that optimum growing condition of the microalgae in laboratory, pushing away for sewage is purified so as to limit micro-algae large-scale culture Wide application.Therefore, this project is matched using the economy heat-collecting temperature of solar thermal collector with microalgae optimum growth temperature The characteristics of, by microdisk electrode and solar energy collector system it is integrated come purified treatment domestic sewage in rural areas, solar thermal energy is direct Microalgae is supplied to, by the unfavorable factor of the external environments such as season, illumination, temperature when overcoming micro-algae large-scale cultivation；Meanwhile, utilize Consumption carbon, nitrogen, the nutriment such as phosphorus are needed in microalgae fast growth process with compound body the characteristics of complicated organic matter, can be by life Carbon, nitrogen in sewage living, P elements are adsorbed, and realize the purpose of the high-efficient purification treatment of domestic sewage of villages and small towns.
The content of the invention
It is an object of the invention to provide a kind of solar constant temperature culture microalgae domestic sewage treatment system.
The present invention is solar constant temperature culture microalgae domestic sewage treatment system, including wastewater influent filtering ponds 1, sunlight board Heliogreenhouse 2, micro-algae culture pond 3, solar energy heating water tank 4, thermostatic control system 5 and water outlet filtering ponds 6, wastewater influent filtering Pond 1 is connected with micro-algae culture pond 3, and micro-algae culture pond 3 is connected with sewage water outlet filtering ponds 6, and sunlight board heliogreenhouse 2 is fitted in micro- The outside of algae culture pond 3 and thermostatic control system 5, solar energy heating water tank 4 is fitted in the top of sunlight board heliogreenhouse 2, too Positive energy heat collection water tank 4 and thermostatic control system 5 are connected, and the heat conduction coil pipe 5-5 in thermostatic control system is placed on micro-algae culture pond 3 In, water outlet filtering ponds 6 are connected with solar energy heating water tank 4, micro-algae culture pond 3, wastewater influent filtering ponds 1.
Beneficial effects of the present invention are：Country sewage carries out dirt by the structures device in wastewater influent filtration system Water pretreatment, after the suspension, BOD, COD, SS, removing bulky grain and floating object in effective removal sewage, sewage enters sun Micro-algae culture pond in tabula rasa heliogreenhouse, biogas fermentation can be carried out after the absorption of crushing straw membrane filtration；Trained by micro-algae culture pond Foster microalgae reaches the purpose of purification sewage, meanwhile, using sunlight board heliogreenhouse, solar energy heating water tank and thermostatic control system System, the condition of optimum temperature, illumination condition, PH and dilution of sewage degree is provided for micro algae growth breeding.Realize efficient microalgae Cultivation and purification country sewage, reach the purpose of large-scale promotion application.
Brief description of the drawings
Fig. 1 is overall structure schematic flow sheet of the invention, and Fig. 2 is the structure chart of wastewater influent filtering ponds 1, and Fig. 3 is sun The cut-away view of tabula rasa heliogreenhouse 2, Fig. 4 is the sunlight that solar constant temperature culture microalgae of the present invention processes country sewage device The indoor plane figure of plate heliogreenhouse 2, Fig. 5 is the structure chart of thermostatic control system 5, and Fig. 6 is the structure chart of water outlet filtering ponds 6. Fig. 7 is overall structure block schematic illustration of the present invention.
Specific embodiment
As shown in figure 1, the present invention is solar constant temperature culture microalgae domestic sewage treatment system, including wastewater influent filtering Pond 1, sunlight board heliogreenhouse 2, micro-algae culture pond 3, solar energy heating water tank 4, thermostatic control system 5 and water outlet filtering ponds 6, it is dirty Water water inlet filtering ponds 1 are connected with micro-algae culture pond 3, and micro-algae culture pond 3 is connected with sewage water outlet filtering ponds 6, sunlight board sunlight Room 2 is fitted in the outside of micro-algae culture pond 3 and thermostatic control system 5, and solar energy heating water tank 4 is fitted in sunlight board heliogreenhouse 2 top, solar energy heating water tank 4 and thermostatic control system 5 are connected, and the heat conduction coil pipe 5-5 in thermostatic control system is placed on In micro-algae culture pond 3, water outlet filtering ponds 6 are connected with solar energy heating water tank 4, micro-algae culture pond 3, wastewater influent filtering ponds 1 Connect.
As shown in Fig. 2 supporting microalgae domestic sewage treatment system above, described wastewater influent filtering ponds 1 include grid 1- 1st, setting pot 1-2, crushing straw membrane module 1-3 and quartz sand filter tank 1-4, wherein, grid 1-1, setting pot 1-2, crushing straw film Component 1-3 and quartz sand filter tank 1-4 are from left to right sequentially arranged, and crushing straw membrane module is made up of at least 3 road crushing straws, and edge Water (flow) direction aperture is sequentially reduced；Quartz sand filter tank 1-4 by coarse grain footpath filter layer 1-4-1, medium grain size filter layer 1-4-2, Fine grain filter layer 1-4-3 is constituted, and is sequentially arranged from top to bottom.
As shown in figure 3, above-described solar constant temperature culture microalgae domestic sewage treatment system, described both culturing microalgae Pond 3 is made up of water quality adjustment pond 3-1, runoff investigation pond 3-2 and microdisk electrode canal 3-3.
As shown in Figure 4, Figure 5, above-described solar constant temperature culture microalgae domestic sewage treatment system, described constant temperature Control system 5 is by water circulating pump 5-1, temperature sensor 5-2, frequency converter 5-3, temperature controller 5-4 and heat conduction coil pipe 5-5 connection groups Into；Temperature sensor 5-2 is configured inside microdisk electrode canal 3-3, and is connected with temperature controller 5-4, temperature controller 5-4 and frequency converter 5- 3 connections, frequency converter 5-3 is connected with water circulating pump 5-1, and water circulating pump 5-1 is connected to solar energy heating water tank 4 and heat conduction coil pipe 5- Between 5 and constitute circulation loop.
As shown in Figure 2, Figure 4 shows, above-described solar constant temperature culture microalgae domestic sewage treatment system, described water outlet Filtering ponds 6 are made up of crushing straw membrane module 6-1 and water outlet collecting-tank 6-2, and crushing straw membrane module 6-1 is by least 3 road crushing straws Composition, and be sequentially reduced along water (flow) direction aperture, the aperture for being formed is less than the aperture that crushing straw membrane module 1-3 is formed.
In order to preferably play the filter effect of wastewater influent filtration system, as shown in Fig. 2 being set in setting pot 1-2 bottoms There is desilting pipeline 1-2-1, the silt of setting pot 1-2 bottoms is excluded in time；The roads of She Liao tri- filtering in crushing straw membrane module 1-3 Film, the aperture of per pass filter membrane is sequentially reduced along current direction, and the impurity in sewage is removed as efficiently as possible；In order to more preferable The effect of impurity screening is played, crushing straw membrane module 1-3 needs periodic replacement, and the crushing straw membrane module 1-3 for changing will be transported Transport to and carry out in methane-generating pit fermentation and produce biogas；In quartz sand filter tank 1-4, in order to prevent the inequality of water distribution during low discharge It is even, it is provided with water distribution layer 1-4-4；In order to more effectively go the removal of impurity, quartz sand filter tank 1-4 set coarse grain footpath filter layer 1-4-1, The filtering layer thickness 200-300mm of medium grain size filter layer 1-4-2, fine grain filter layer 1-4-3, wherein coarse grain footpath filter layer 1-4-1, Particle diameter in 10-20mm, middle particle diameter filter layer 1-4-2 filtering layers thickness 100-200mm, particle diameter is in 5-10mm, fine grain filter layer 1-4-3 Filtering layer thickness 50-100mm, particle diameter is in 1-5mm.In order that quartz sand filter tank can efficiently work, recoil is provided with bottom of pond Pipe 1-4-5 is washed, setting gate valve 1-4-6 in wastewater influent filtering ponds outlet pipe coordinates backwash work, and regularly filtering layer is carried out instead Rinse, improve filter tank operating efficiency.
As shown in Fig. 3, Fig. 4, Fig. 5, the present invention has two big systems in sunlight board heliogreenhouse 2, and one is micro-algae propagation Culture systems are micro-algae culture pond 3, and another is solar energy heating water tank 4 and thermostatic control system 5.Micro-algae culture pond（3）Bag Include water quality adjustment pond 3-1, runoff investigation pond 3-2 and microdisk electrode canal 3-3 is constituted；Wherein water quality adjustment pond 3-1 and wastewater influent The outlet pipe of filtering ponds is connected；The filling pipe 3-1-1 from water outlet collecting-tank is provided with the 3-1 of water quality adjustment pond, to original Sewage is diluted；PH detections and control device 3-1-2 are provided with the 3-1 of water quality adjustment pond, the pH value to sewage is examined Survey and control between 6-8；Agitator 3-1-3 is set on the 3-1 of water quality adjustment pond, concentration of wastewater is well mixed；In water quality Sewage pump 3-1-4 is set on regulating reservoir 3-1, the sewage water quality adjustment pond 3-1 relatively low from position position is transferred to higher In the 3-2 of runoff investigation pond.Can draw there is water distribution uniformity hole on the 3-2 of runoff investigation pond with reference to Fig. 3, Fig. 4, flow through water The sewage of regulating reservoir 3-2 can uniformly flow into microdisk electrode pond 3-3.
In order to better meet the growth conditions of microalgae, as shown in figure 3, sunlight board heliogreenhouse 2 is designed into closing Form, the top of sunlight board heliogreenhouse 2 is provided with using transparent sunlight board 2-1 on the wall 2-2 of sunlight board heliogreenhouse Passage 2-3, is provided with energy-saving LED lamp 2-4 in the girder construction of sunlight board heliogreenhouse 2.Transparent sunlight board 2-1 transmissivities exist 20%-80%, daytime utilizes sunlight, when sunshine is not enough, using energy-saving LED lamp 2-4, intensity of illumination is maintained at 4000-8000lux, the need for meeting micro algae growth breeding；Passage 2-3 on the wall 2-2 of sunlight board heliogreenhouse is Indoor air circulation is kept, the transmission capacity of the hardened dew influence sunlight of light permeable sunlight of greenhouse top is prevented.
In order to better meet the growth conditions of microalgae, as shown in Fig. 3, Fig. 4, Fig. 5, thermostatic control system of the invention 5 It is connected with solar energy heating water tank 4.The top of solar energy heating water tank 4 is provided with overflow pipe 4-2 and is connected with water outlet collecting-tank 6-2 The water injection pipe 4-1 for connecing, the water level in control solar energy heating water tank 4；Thermostatic control system 5 is passed by water circulating pump 5-1, temperature Sensor 5-2, frequency converter 5-3, temperature controller 5-4 and heat conduction coil pipe 5-5 connection composition；Heat conduction coil pipe 5-5 and solar energy heating water tank 4 Circulation loop is connected and composed, temperature sensor 5-2 is configured inside microdisk electrode canal 3-3, and in temperature controller 5-4 connections, temperature control Device 5-4 is connected with frequency converter 5-3, and frequency converter 5-3 is connected with water circulating pump 5-1, and water circulating pump 5-1 is linked into by heat conduction coil pipe 5- 5 connect and compose circulation loop with solar energy heating water tank 4, are the heat conduction coil pipe in microdisk electrode canal 3-3 by water circulating pump 5-1 5-5 conveys hot water from solar energy heating water tank 4；The Sewage Environment inside microdisk electrode canal 3-3 is set by temperature controller 5-4 Between 25-28 DEG C, in order to the Sewage Environment inside microdisk electrode canal 3-3 is heated evenly, heat conduction coil pipe 5-5 is set to spiral Coil pipe, increases the contact area with sewage, and thermally equivalent improves the operating efficiency of heat conduction coil pipe 5-5.
As shown in Fig. 2, Fig. 3, Fig. 6, Fig. 7, the water outlet filtering ponds 6 that sewage of the invention is filtered, by crushing straw film group Part 6-1 and water outlet collecting-tank 6-2 is constituted, wherein having set at least three road filter membranes, per pass filter membrane in crushing straw membrane module 6-1 Aperture be sequentially reduced along current direction and smaller than the aperture of the crushing straw membrane module in wastewater influent filtering ponds, efficiently go Microalgae in water removal；In order to preferably play the effect of filtering microalgae, crushing straw membrane module 6-1 needs periodic replacement, under replacing The crushing straw membrane module 6-1 for coming will be transported into methane-generating pit carries out fermentation generation biogas；Water through filtering microalgae flows into water outlet collection In the 6-2 of pond, for the backwash of solar energy heating water tank 4, water quality adjustment pond 3-1 and quartz sand filter tank 1-4 provides water source, its Same piece supervisors of the filling pipe 3-1-1 of middle Backwash pipeline 1-4-5 and water quality adjustment pond 3-1 from water outlet collecting-tank 6-2.

Claims (10)

1. solar constant temperature culture microalgae domestic sewage treatment system, including wastewater influent filtering ponds（1）, sunlight board heliogreenhouse （2）, micro-algae culture pond（3）, solar energy heating water tank（4）, thermostatic control system（5）With water outlet filtering ponds（6）, its feature exists In：Wastewater influent filtering ponds（1）With micro-algae culture pond（3）Connection, micro-algae culture pond（3）With sewage water outlet filtering ponds（6）Connection, Sunlight board heliogreenhouse（2）It is fitted in micro-algae culture pond（3）And thermostatic control system（5）Outside, solar energy heating water tank（4） It is fitted in sunlight board heliogreenhouse（2）Top, solar energy heating water tank（4）And thermostatic control system（5）Connection, thermostatic control Heat conduction coil pipe in system（5-5）It is placed on micro-algae culture pond（3）In, water outlet filtering ponds（6）With solar energy heating water tank（4）、 Micro-algae culture pond（3）, wastewater influent filtering ponds（1）It is connected.
2. solar constant temperature culture microalgae domestic sewage treatment system according to claim 1, it is characterised in that：Described Wastewater influent filtering ponds（1）Including grid（1-1）, setting pot（1-2）, the first crushing straw membrane module（1-3）And quartz sand filtration Pond（1-4）, wherein, grid（1-1）, setting pot（1-2）, the first crushing straw membrane module（1-3）And quartz sand filter tank（1-4）From Left-to-right to be sequentially arranged, crushing straw membrane module is made up of at least 3 road crushing straws, and is sequentially reduced along water (flow) direction aperture；Quartz Sand filtering ponds（1-4）By coarse grain footpath filter layer（1-4-1）, medium grain size filter layer（1-4-2）, fine grain filter layer（1-4-3） Composition, and be sequentially arranged from top to bottom.
3. solar constant temperature culture microalgae domestic sewage treatment system according to claim 1, it is characterised in that：Described Micro-algae culture pond（3）It is by water quality adjustment pond（3-1）, runoff investigation pond（3-2）With microdisk electrode canal（3-3）Constitute.
4. solar constant temperature culture microalgae domestic sewage treatment system according to claim 1, it is characterised in that：Described Thermostatic control system（5）By water circulating pump（5-1）, temperature sensor（5-2）, frequency converter（5-3）, temperature controller（5-4）And heat conduction Coil pipe（5-5）Connection composition；Temperature sensor（5-2）It is configured at microdisk electrode canal（3-3）Inside, and and temperature controller（5-4）Even Connect, temperature controller（5-4）With frequency converter（5-3）Connection, frequency converter（5-3）With water circulating pump（5-1）Connection, water circulating pump（5-1） It is connected to solar energy heating water tank (4) and heat conduction coil pipe（5-5）Between and constitute circulation loop.
5. solar constant temperature culture microalgae domestic sewage treatment system according to claim 1, it is characterised in that：Described Water outlet filtering ponds（6）It is by crushing straw membrane module（6-1）With water outlet collecting-tank（6-2）Constitute, crushing straw membrane module（6-1）By extremely Few 3 road crushing straw composition, and be sequentially reduced along water (flow) direction aperture, the aperture for being formed is less than crushing straw membrane module（1-3）Shape Into aperture.
6. solar constant temperature culture microalgae domestic sewage treatment system according to claim 1, it is characterised in that：In sewage Setting pot in water inlet filtering ponds 1（1-2）Bottom is provided with desilting pipeline（1-2-1）, can in time exclude setting pot（1-2）Bottom Silt；In crushing straw membrane module（1-3）The road filter membranes of middle She Liao tri-, the aperture of per pass filter membrane is sequentially reduced along current direction； In quartz sand filter tank（1-4）In be provided with water distribution layer（1-4-4）；In quartz sand filter tank（1-4）If coarse grain footpath filter layer（1-4- 1）, medium grain size filter layer（1-4-2）, fine grain filter layer（1-4-3）, wherein coarse grain footpath filter layer（1-4-1）Filtering layer it is thick 200-300mm, particle diameter in 10-20mm, middle particle diameter filter layer（1-4-2）Filtering layer thickness 100-200mm, particle diameter is in 5-10mm, particulate Footpath filter layer（1-4-3）Filtering layer thickness 50-100mm, particle diameter is in 1-5mm；Backwash tube is provided with bottom of pond（1-4-5）, in sewage Water inlet filtering ponds outlet pipe sets gate valve（1-4-6）.
7. solar constant temperature culture microalgae domestic sewage treatment system according to claim 1, it is characterised in that：In sunlight Plate heliogreenhouse（2）Inside there are two big systems, one is micro-algae propagation culture systems i.e. micro-algae culture pond（3）, another is the sun Can heat collection water tank（4）And thermostatic control system（5）；Micro-algae culture pond（3）Including water quality adjustment pond（3-1）, runoff investigation pond（3- 2）With microdisk electrode canal（3-3）Constitute；Wherein water quality adjustment pond（3-1）Outlet pipe with wastewater influent filtering ponds is connected； Water quality adjustment pond（3-1）In be provided with the filling pipe from water outlet collecting-tank（3-1-1）, raw sewage is diluted；In water quality Regulating reservoir（3-1）On be provided with PH detection and control device（3-1-2）；In water quality adjustment pond（3-1）Upper setting agitator（3-1- 3）；In water quality adjustment pond（3-1）Upper setting sewage pump（3-1-4）, can be by sewage from the relatively low water quality adjustment pond in position （3-1）It is transferred to position runoff investigation pond higher（3-2）In.
8. solar constant temperature culture microalgae domestic sewage treatment system according to claim 1, it is characterised in that：In microalgae Culturing pool（3）In runoff investigation pond（3-2）On have water distribution uniformity hole, flow through runoff investigation pond（3-2）Sewage can be equal Microdisk electrode pond is flowed into evenly（3-3）.
9. solar constant temperature culture microalgae domestic sewage treatment system according to claim 1, it is characterised in that：Sunlight board Heliogreenhouse（2）It is the form of closing, sunlight board heliogreenhouse（2）Top use transparent sunlight board（2-1）, in sunlight board The wall of heliogreenhouse（2-2）It is provided with passage（2-3）, in sunlight board heliogreenhouse（2）Girder construction be provided with energy-saving LED Lamp（2-4）；Transparent sunlight board（2-1）Transmissivity is in 20%-80%, energy-saving LED lamp（2-4）Intensity of illumination be maintained at 4000- 8000lux；In the wall of sunlight board heliogreenhouse（2-2）On open up by passage（2-3）.
10. solar constant temperature culture microalgae domestic sewage treatment system according to claim 1, it is characterised in that：Water outlet Filtering ponds（6）By the second crushing straw membrane module（6-1）With water outlet collecting-tank（6-2）Constitute, wherein in the second crushing straw membrane module （6-1）In set at least three road filter membranes, the aperture of per pass filter membrane is sequentially reduced along current direction and is filtered than wastewater influent The aperture of the crushing straw membrane module in pond is smaller；Wherein Backwash pipeline（1-4-5）With water quality adjustment pond（3-1）Filling pipe （3-1-1）From water outlet collecting-tank（6-2）Same supervisor.
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CN107751085A (en) * 2017-09-21 2018-03-06 浙江海洋大学 A kind of circulating seawer cultivating system based on microalgae membrane bioreactor
CN110981119A (en) * 2019-12-31 2020-04-10 贵州省人民医院 Microalgae biological reaction device and sewage treatment method
WO2022151616A1 (en) * 2021-01-14 2022-07-21 山东大学 Biological-ecological coupling sewage treatment apparatus and method
US12006495B2 (en) * 2019-08-13 2024-06-11 ExxonMobil Technology and Engineering Company Solar steam explosion of algae

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CN105567561A (en) * 2016-01-15 2016-05-11 曹秀保 Underground-type two-stage anaerobic large-medium biogas digester achieving automatic high temperature fermentation
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CN104312905A (en) * 2014-09-29 2015-01-28 东北农业大学 Biogas fermentation and microalgae breeding coupled system in cold region
CN105567561A (en) * 2016-01-15 2016-05-11 曹秀保 Underground-type two-stage anaerobic large-medium biogas digester achieving automatic high temperature fermentation
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CN107751085A (en) * 2017-09-21 2018-03-06 浙江海洋大学 A kind of circulating seawer cultivating system based on microalgae membrane bioreactor
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