CN108069510A - A kind of solar anaerobic reactor assembly applied in natural water and its application method - Google Patents

A kind of solar anaerobic reactor assembly applied in natural water and its application method Download PDF

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Publication number
CN108069510A
CN108069510A CN201611020549.2A CN201611020549A CN108069510A CN 108069510 A CN108069510 A CN 108069510A CN 201611020549 A CN201611020549 A CN 201611020549A CN 108069510 A CN108069510 A CN 108069510A
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water
reaction kettle
anaerobic reactor
denitrifying bacteria
solar
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毛国柱
陈玲
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Tianjin University
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Tianjin University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • C02F3/2806Anaerobic processes using solid supports for microorganisms
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/009Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

Abstract

The invention discloses a kind of solar anaerobic reactor assembly applied in natural water and its application method, the device include anaerobic reactor, into water conduit tube, go out water conduit tube, interior return duct, pump, accumulator, photoelectric controller, inverter and generator;Anaerobic reactor includes reaction kettle, electric heating assembly and solar photovoltaic assembly, reaction kettle is divided into reaction kettle top, reaction kettle middle part and reaction kettle lower part, reaction kettle top is connected with going out water conduit tube, in in the middle part of reaction kettle filler material is activated full of denitrifying bacteria, water distributor in reaction kettle lower part is connected by pumping with into water conduit tube, is intake, is gone out between water conduit tube equipped with interior return duct;Electric heating assembly is set in anaerobic reactor side wall;Solar photovoltaic assembly, accumulator, photoelectric controller, inverter, the control system of generator are sequentially connected, and generator is connected with electric heating assembly and pump.The present invention is without energy consumption, pollution-free, versatility is good, environmentally protective, and does not destroy the landscape function that some water bodys have.

Description

A kind of solar anaerobic reactor assembly applied in natural water and its use Method
Technical field
The present invention relates to anaerobic reactor devices, and in particular to removes eutrophic water using water body original inhabitants denitrifying bacteria A kind of solar anaerobic reactor assembly applied in natural water and its application method of heavy metal and nitrate nitrogen in body.
Background technology
Eutrophication of natural water and heavy metal pollution are always current most common combined pollution.Eutrophication is current Important behaviour in conventional pollution, as the mankind increasingly increase environmental resource utilization activity, particularly industrial and agricultural production Extensive development, largely the sewage containing compound fertilizer be discharged into neighbouring natural water body, add the battalion of these water bodys Substance load is supported, essential problem is the multifarious destruction of aqueous bio, and the system that thereby results in is lost self―sustaining, self adjusted The ability of section and system balancing unstability accelerate the speed of body eutrophication.And in the discharge process of sewage, pollutant Heavy metal retaining in water body water body is also increasing, and heavy metal retaining in water body accumulates and the features such as migration increases The difficulty that heavy metal in water has been added to purify.Simultaneously as heavy metal has, source is wide, the residence time is long, has accumulation property, can not drop Solution can not only endanger Fishery Water Environment and aquatile, also endanger human health along the features such as food chain transport.Therefore compel Being essential will be administered and be repaired to the water body water body of nitrate nitrogen and heavy-metal composite pollution.
The existing administering method for polluted water body can be divided into Physical, chemical method, bioanalysis, restoration of the ecosystem Four major classes, and many method for treating water technological processes are very ripe, but deposited for the improvement of the open water body such as water body, river In significant limitation.Therefore, from financial cost and recycling angularly, economical and efficient, energy-saving and environment-friendly water are explored Weight metal purification method and device is the difficult point that current heavy metal pollution of water body is administered.
The content of the invention
Present invention aims to overcome that the deficiencies in the prior art, provide a kind of solar anaerobic applied in natural water Reactor assembly and its application method.
A kind of solar anaerobic reactor assembly applied in natural water, including anaerobic reactor, into water conduit tube, go out Water conduit tube, interior return duct, pump, accumulator, photoelectric controller, inverter and generator;The anaerobic reactor includes reaction Kettle, electric heating assembly and solar photovoltaic assembly, anaerobic reactor top are provided with one-way exhaust valve;The reaction kettle is vertical The closed tank body set, reaction kettle are divided into reaction kettle top, reaction kettle middle part and reaction kettle lower part, three are set in reaction kettle top Phase separator, reaction kettle top are provided with water outlet, and the water outlet is connected with the water conduit tube that goes out;The reaction kettle In middle part be equipped with spacer-frame, spacer-frame full of denitrifying bacteria activate filler material, the denitrifying bacteria activate filler material with Inorganic carrying body, inorganic flocculate, inorganic metal salt, activated carbon are prepared for raw material, and the mass ratio of four kinds of raw materials is followed successively by (1~8):(0~0.5):(0~0.5):(2~4), wherein the quality of inorganic flocculate and inorganic metal salt ratio value range is More than 0 and less than or equal to 0.5, four kinds of raw materials, which are sufficiently mixed, to be dispersed in 60~80 DEG C of water, is added in after cooling anti- Nitrobacteria activator, the organic polymer being then dissolved in the water in the case where being sufficiently stirred with the speed instillation of 3~4ml/min gather Object is closed, organic high molecular polymer is used to denitrifying bacteria activator being fixed on inorganic carrying body surface, after cooling precipitates, under Portion's deposit is the denitrifying bacteria activation filler material, and the inorganic carrying body is in silica gel, montmorillonite or diatomite One kind, the inorganic flocculate is aluminium polychloride (PAC), polyaluminium sulfate (PAS), bodied ferric sulfate (PFS) or poly- One kind in iron chloride (PFC) is closed, the inorganic metal salt is sodium chloride, one kind in potassium chloride, the denitrifying bacteria Activator ingredient is frerrous chloride, sodium acetate, peptone, yeast extract, glucose, sodium chloride, agar, potassium nitrate, matter during addition Amount ratio is followed successively by (1~1.5):(2~2.5):(15~16):(3~3.5):(1~1.5):(6~6.5):(12~13):(2~ 2.5);Water distributor is provided in reaction kettle lower part, water distributor is connected by the pump with described into water conduit tube, it is described into Water conduit tube and go out between water conduit tube to be provided with the interior return duct;Hollow folder is provided in the anaerobic reactor side wall Layer, the electric heating assembly are arranged in hollow interlayer and are evenly distributed on anaerobic reactor side wall;The solar energy Volt component is connected with the accumulator, and accumulator is connected with the photoelectric controller, and photoelectric controller is connected with inverter, Inverter is connected with the control system of the generator, and generator is connected with electric heating assembly and pump.
Moreover, system must be cooled to 30~40 DEG C when adding in the denitrifying bacteria activator, and control itself and nothing The ratio of machine carrying body is (0.3~8):1, preferably (3~5):1;The organic high molecular polymer is polyvinyl alcohol, poly- second One kind in alkene, polypropylene, polystyrene or cellulose, the organic high molecular polymer are dispersed in 95~97 DEG C In water, the final mass ratio of the organic high molecular polymer and inorganic carrying body is (0.5~0.6):(7~8).
Moreover, described going out on water conduit tube is provided with out water regulating valve, go out the other end connection staying water of water conduit tube Water outlet;It is described into inlet regulating valve is provided on water conduit tube, the other end into water conduit tube connects staying water water inlet; Return valve is provided on the interior return duct.
Moreover, the reaction kettle top and the outer surface of reaction kettle lower part are arc-shaped, reaction kettle top and reaction kettle High 0.2~the 0.4m in lower part, the high 0.2~0.4m in bottom;It is cylinder, a diameter of 0.5~1m, high 1~3m in the middle part of reaction kettle.
Moreover, the denitrifying bacteria activation filler material is filled in using the method for lattice filling in reaction kettle middle part, It is close fill out that total height is reaction kettle total height 75%~90%, the distance at the top of denitrifying bacteria Activation filling and reaction kettle is anti- Answer the 10%~25% of kettle total height, the disposable 1000~4000mg/L of dosage of technique initial period.
Moreover, the electric heating assembly is made of the heating wire of n groups parallel connection, 10≤n≤40, heating wire is in vertical direction It is upper S-type, and heating wire is integrally along reaction kettle axial rings around annular in shape.
A kind of application method for the solar anaerobic reactor assembly applied in natural water, comprises the following steps:
Step 1, a kind of solar anaerobic reactor assembly applied in natural water is placed in accessing pending water Body bank measures the quantity of indigenous denitrifying bacteria in the water body water body using the method for quantitative fluorescent PCR;
Step 2, the equipment is run, inlet regulating valve and return valve is opened, closes out water regulating valve, utilize solar energy The energy hole pump that photovoltaic module generates is introduced from water body intakes, and realizes the self-loopa of technique initial period internal system, herein Stage denitrifying bacteria microorganism carries out biofilm culture, and it is thin that denitrification after adding in water body is measured by the method for quantitative fluorescent PCR Denitrifying bacteria quantity in bacterium activation filler material realizes that the multiple that the quantity of indigenous denitrifying bacteria increases is more than or equal to 10;
Step 3, inlet regulating valve and return valve is kept to open, then opens out water regulating valve, when controlling normal operation Flow of inlet water, control hydraulic detention time, by adjust inlet regulating valve, go out water regulating valve and return valve control Inlet and outlet water Ratio and nitrate recirculation ratio;
Step 4, the water outlet in anaerobic reactor device is again flowed by self gravitation in staying water;
In step 2 and step 3, solar photovoltaic assembly, which converts solar energy into electrical energy, is stored in solar storage battery It is interior, then direct current energy signal is converted by photoelectric control prop, DC signal enters inverter and is being converted into AC load Ac electric apparatus is supplied, then electric energy is provided for the electric heating assembly of solar photovoltaic assembly lower floor by generator control system, electricity Heating component converts electrical energy into thermal energy, and electric heating assembly is all covered in tank surface, effectively accomplished in anaerobic reactor Heated liquid is uniform;Meanwhile generator control system provides electric energy for pump, during realizing the self-loopa of the device and normal operation Stable state.
Moreover, in above-mentioned application method, the technique initial period internal system self-loopa time is 24~26h, 0.1~0.9m of flow of inlet water during normal operation3/ h, described controls hydraulic detention time as 6~10h, the nitrate recirculation ratio Example is 400%~500%.
Beneficial effects of the present invention:
(1) a kind of solar anaerobic reactor assembly applied in natural water is net using the ecology of eutrophication water Change method by activating the denitrifying bacteria in water body native country, makes denitrifying bacteria quantity rise in value in geometric progression, and uses water body Itself replaces traditional limited bioreactor, releases denitrifying bacteria growing space significantly, gives full play to denitrifying bacteria The powerful capacity of decomposition generated during amount reproduction to nitrate nitrogen improves the effective biomass and function of denitrifying bacteria Property, restructuring is improved and optimizes Water microbial ecology system, and then strengthens microorganism central hub effect of establishing, and promotes water body Recover capacity of self-regulation, so as to which efficiently N, P of removal induction algal blooms etc. are contaminants associated, effectively reduce in water body Suspended alga, suspended particulate content, reduce turbidity, increase transparency, it is horizontal to promote Dissolved Oxygen in Water, fundamentally improves water The material balance state of matter and water ecosystem is finally reached and keeps the restoration of the ecosystem purpose of the self-purification of water.
(2) present invention process is simple, and floor space is small, and operational management is convenient, invests, condition of compatibility model low with operating cost It encloses extensively, it can the extensive use in various natural water body restorations of the ecosystem.
(3) a kind of solar anaerobic reactor assembly applied in natural water involved in this technology, outermost layer are Solar photovoltaic assembly, is mainly used for converting solar energy into electrical energy and is stored in solar storage battery, then passes through photoelectric control branch Device is converted into direct current energy signal, and DC signal can directly be used in DC electric apparatus, can also be converted into inverter AC load removes supply ac electric apparatus, then is carried by generator control system for the electric heating assembly of solar photovoltaic assembly lower floor For electric energy, electric heating assembly converts electrical energy into thermal energy, and electric heating assembly is all covered in tank surface, can effectively accomplished Heated liquid is uniform in anaerobic reactor, and suitable temperature is provided for microorganism, convenient for the growth of microorganism, the activity of microorganism It is protected with flora number, the in vivo biological activated sludge of tank is with regard to that can have the work that preferable phagocytosis Organic substance in water is decomposed With, stable anaerobism purification is carried out to water body, meanwhile, generator control system provides electric energy for pump, with realize the device oneself Stable state when Xun Huan and normal operation.For the heat preserving method of now existing other forms, the photovoltaic installed Component and electric heating assembly have apparent advantage, without energy consumption, pollution-free, good without operating cost, versatility, not only green ring It protects, and does not destroy the landscape function that some water bodys have.Therefore, the device use condition is very wide, throughout the year except cold zone not Seeing the place of sunlight cannot use, and secondary pollution is not caused after non-maintaining use, be real clean energy resource, and energy quality is high, The time for obtaining the energy is short.System one-time investment can keep continuously power supply 20 years.
(4) during denitrifying bacteria multiplication, Fe2+While playing the role of being obviously promoted in the process, aoxidized The ferric oxide of generation has heavy metal that can largely in adsorbed water body, effectively removes the heavy metal in water body.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Wherein:1 is anaerobic reactor, and 2 be water outlet, and 3 be water conduit tube, and 4 be reaction kettle top, and 5 be reaction kettle middle part, 6 be reaction kettle lower part, and 7 be water regulating valve, and 8 be staying water, and 8-1 is staying water water outlet, and 8-2 is accessing pending water Body water inlet, 9 be inlet regulating valve, and 10 be into water conduit tube, and 11 be return valve, and 12 be interior return duct, and 13 be pump, and 14 be to fill out Lattice are filled, 15 be water distributor, and 16 be ferric oxide and heavy metal outlet, and 17 be accumulator, and 18 be photoelectric controller, and 19 are Generator, 20 be inverter, and 21 be reaction kettle, and 22 be solar photovoltaic assembly, and 23 be hollow interlayer, and 24 be reaction kettle, and 25 are Three phase separator, 26 be one-way exhaust mouth.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
A kind of solar anaerobic reactor assembly applied in natural water, including anaerobic reactor 1, into water conduit tube 10th, water conduit tube 3, interior return duct 12, pump 13, accumulator 17, photoelectric controller 18, inverter 20 and generator 19 are gone out;Described Anaerobic reactor includes reaction kettle 24, electric heating assembly 22 and solar photovoltaic assembly 21, and list is provided at the top of anaerobic reactor To air bleeding valve 26;The closed tank body that the reaction kettle is vertically arranged, reaction kettle are divided into reaction kettle top 4,5 and of reaction kettle middle part Reaction kettle lower part 6 sets three phase separator 25 in reaction kettle top, and reaction kettle top is provided with water outlet 2, the water outlet It is connected with the water conduit tube 3 that goes out, interior in the middle part of the reaction kettle to be equipped with spacer-frame 14, spacer-frame is activated full of denitrifying bacteria Filler material is provided with water distributor 15 in reaction kettle lower part, and water distributor is connected by the pump 13 with described into water conduit tube 10, It is described into water conduit tube and to go out between water conduit tube to be provided with the interior return duct 12;It is set in the anaerobic reactor side wall There is hollow interlayer 23, the electric heating assembly is arranged in hollow interlayer 23 and is evenly distributed on anaerobic reactor side wall; The solar photovoltaic assembly is connected with the accumulator 17, and accumulator is connected with the photoelectric controller 18, photoelectric control Device processed is connected with inverter 20, and inverter is connected with the control system of the generator 19, generator and electric heating assembly and Pump connection.
Moreover, described going out on water conduit tube is provided with out water regulating valve 7, go out the other end connection staying water of water conduit tube Water outlet 8-1;It is described into being provided with inlet regulating valve 9 on water conduit tube, into water conduit tube the other end connect staying water into Mouth of a river 8-2;Return valve 11 is provided on the interior return duct.
Moreover, the reaction kettle top and the outer surface of reaction kettle lower part are arc-shaped, reaction kettle top and reaction kettle The high 0.2m in lower part, the high 0.2m in bottom;It is cylinder, a diameter of 0.8m, high 3m in the middle part of reaction kettle.
Moreover, the denitrifying bacteria activation filler material is filled in using the method for lattice filling in reaction kettle middle part, It is close fill out that total height is reaction unit total height 85%, the distance at the top of denitrifying bacteria Activation filling and reaction kettle fills for reaction Put the 15% of total height, the disposable dosage 3000mg/L of technique initial period.
Moreover, the electric heating assembly is made of 35 groups of heating wire in parallel, heating wire is S-type in the vertical direction, And heating wire entirety is along reaction kettle axial rings around annular in shape.
The denitrifying bacteria prepared according to following preparation method activation filler material is filled in above-mentioned a kind of apply in nature In solar anaerobic reactor assembly in water body:It is 3 by mass ratio:0.5:0.5:4 inorganic carrying body silica gel, inorganic flocculation Object polymer alumina, inorganic metal salt sodium chloride, activated carbon are sufficiently mixed and are scattered in 70 DEG C of water, treat above-mentioned suspension Be cooled to 40 DEG C, add in denitrifying bacteria activator (activator by frerrous chloride, sodium acetate, peptone, yeast extract, glucose, Sodium chloride, agar, potassium nitrate composition, mass ratio is followed successively by 1 when each ingredient adds:2:15:3:1:6:12:2;It is anti-described in adding in System must be cooled to 30 DEG C during nitrobacteria activator), the ratio for controlling itself and inorganic carrying body is 3, is then being sufficiently stirred While organic high molecular polymer polyvinyl alcohol in 95 DEG C of water is dissolved in the instillation of the speed of 3ml/min, for fixed anti- Nitrobacteria activator is final to realize that organic high molecular polymer and the mass ratio of inorganic carrying body are in inorganic carrying body surface 0.5:8, after liquid to be mixed is cooled to room temperature precipitation, abandoning supernatant, specific denitrifying bacteria made from the deposit of lower part lives Change filler material;After filler material loads, which is placed in staying water bank, runs the device, opens water inlet Regulating valve and return valve, close out water regulating valve, and water inlet (profit is introduced from staying water using the power that solar energy generates The quantity that indigenous denitrifying bacteria in the water body water body is measured with the method for quantitative fluorescent PCR is 106-107Copies/L), realize When the time is 24 small, biofilm training is carried out in this stage denitrifying bacteria microorganism for the self-loopa of technique initial period internal system Support, control hydraulic detention time for 8 it is small when, by the method for quantitative fluorescent PCR, after obtaining addition accessing pending water precursor reactant for 24 hours Denitrifying bacteria quantity in denitrifying bacteria activation filler material is about 107-108Copies/g (the numbers of i.e. indigenous denitrifying bacteria Amount realizes 10 times of growths);Finally, inlet regulating valve and return valve is kept to open, then opens out water regulating valve, control is normal Flow of inlet water 0.9m during operation3/ h, control hydraulic detention time for 9 it is small when, by adjust inlet regulating valve, go out water regulating valve and It is 400% that return valve, which controls Inlet and outlet water ratio and nitrate recirculation ratio example,.Denitrifying bacteria in this process constantly treat by removal Handle the nitrate nitrogen in water body, and Oxidation of Fe2+Form Fe3+With amorphous Fe3+Based on mineral, without unit in thalline deposit Into based on Fe, contain a small amount of heavy metal As5+, in Fe2+NO in the case of oxidation totally3 -Average removal rate up to 40~ The average removal rate of 60%, As are up to 40~70%.
The denitrifying bacteria prepared according to following preparation method activation filler material is filled in above-mentioned a kind of apply in nature In solar anaerobic reactor assembly in water body:It is 4 by mass ratio:0.5:0.5:4 inorganic carrying body montmorillonite, inorganic wadding Condensate poly-ferric chloride, inorganic metal salt sodium chloride, activated carbon are sufficiently mixed and are scattered in 70 DEG C of water, are treated above-mentioned suspended Liquid is cooled to 40 DEG C, and adding in denitrifying bacteria activator, (activator is by frerrous chloride, sodium acetate, peptone, yeast extract, grape Sugar, sodium chloride, agar, potassium nitrate composition, mass ratio is followed successively by 1.2 when each ingredient adds:2:16:3:1.5:6:13:2;It adds in System must be cooled to 35 DEG C during described denitrifying bacteria activator), the ratio for controlling itself and inorganic carrying body is 4, Ran Hou The organic high molecular polymer polyvinyl alcohol being dissolved in 95 DEG C of water is instilled with the speed of 3ml/min while being sufficiently stirred, is used It is final to realize organic high molecular polymer and inorganic carrying body in fixed denitrifying bacteria activator in inorganic carrying body surface Mass ratio is 0.6:7, after liquid to be mixed is cooled to room temperature precipitation, abandoning supernatant, the anti-nitre of specificity made from the deposit of lower part Change bacterium activation filler material;After filler material loads, which is placed in staying water bank, runs the device, Inlet regulating valve and return valve are opened, closes out water regulating valve, the power generated using solar energy is drawn from staying water Enter that (quantity that indigenous denitrifying bacteria is measured in the water body water body using the method for quantitative fluorescent PCR is 10 into water5- 106Copies/L), the self-loopa of technique initial period internal system is realized, when the time is 24 small, in this stage denitrifying bacteria Microorganism carry out biofilm culture, control hydraulic detention time be 8 it is small when, by the method for quantitative fluorescent PCR, obtain adding in and wait to locate It is about 10 to manage the water body reaction denitrifying bacteria quantity that rear denitrifying bacteria is activated in filler material for 24 hours6-107Copies/g is (i.e. native The quantity for writing denitrifying bacteria realizes 10 times of growths);Finally, inlet regulating valve and return valve is kept to open, then is opened out Water regulating valve, flow of inlet water 0.9m when controlling normal operation3/ h, control hydraulic detention time for 9 it is small when, pass through adjust water inlet adjust Section valve goes out water regulating valve and return valve control Inlet and outlet water ratio and nitrate recirculation ratio example as 400%.Denitrifying bacteria is at this Nitrate nitrogen constantly in removal staying water in the process, and Oxidation of Fe2+Form Fe3+With amorphous Fe3+Based on mineral, bacterium Inorganic composition contains a small amount of heavy metal As based on Fe in body deposit5+, in Fe2+NO in the case of oxidation totally3 -Removal Rate is up to the removal rate of 30~40%, As up to 30~40%.
The denitrifying bacteria prepared according to following preparation method activation filler material is filled in above-mentioned a kind of apply in nature In solar anaerobic reactor assembly in water body:It is 3 by mass ratio:0.5:0.5:3 inorganic carrying body silica gel, inorganic flocculation Object bodied ferric sulfate, inorganic metal salt potassium chloride, activated carbon are sufficiently mixed and are scattered in 80 DEG C of water, treat above-mentioned suspension Be cooled to 40 DEG C, add in denitrifying bacteria activator (activator by frerrous chloride, sodium acetate, peptone, yeast extract, glucose, Sodium chloride, agar, potassium nitrate composition, mass ratio is followed successively by 1.2 when each ingredient adds:2.5:16:3.5:1.5:6:13:2;It adds in System must be cooled to 40 DEG C during described denitrifying bacteria activator), the ratio for controlling itself and inorganic carrying body is 1, Ran Hou The organic high molecular polymer polyvinyl alcohol being dissolved in 95 DEG C of water is instilled with the speed of 3ml/min while being sufficiently stirred, is used It is final to realize organic high molecular polymer and inorganic carrying body in fixed denitrifying bacteria activator in inorganic carrying body surface Mass ratio is 0.5:8, after liquid to be mixed is cooled to room temperature precipitation, abandoning supernatant, the anti-nitre of specificity made from the deposit of lower part Change bacterium activation filler material;After filler material loads, which is placed in staying water bank, runs the device, Inlet regulating valve and return valve are opened, closes out water regulating valve, the power generated using solar energy is drawn from staying water Enter that (quantity that indigenous denitrifying bacteria is measured in the water body water body using the method for quantitative fluorescent PCR is 10 into water6- 107Copies/L), the self-loopa of technique initial period internal system is realized, when the time is 24 small, in this stage denitrifying bacteria Microorganism carry out biofilm culture, control hydraulic detention time be 8 it is small when, by the method for quantitative fluorescent PCR, obtain adding in and wait to locate It is about 10 to manage the water body reaction denitrifying bacteria quantity that rear denitrifying bacteria is activated in filler material for 24 hours7-108Copies/g is (i.e. native The quantity for writing denitrifying bacteria realizes 10 times of growths);Finally, inlet regulating valve and return valve is kept to open, then is opened out Water regulating valve, flow of inlet water 0.9m when controlling normal operation3/ h, control hydraulic detention time for 9 it is small when, pass through adjust water inlet adjust Section valve goes out water regulating valve and return valve control Inlet and outlet water ratio and nitrate recirculation ratio example as 400%.Denitrifying bacteria is at this Nitrate nitrogen constantly in removal staying water in the process, and Oxidation of Fe2+Form Fe3+With amorphous Fe3+Based on mineral, bacterium Inorganic composition contains a small amount of heavy metal Pb based on Fe in body deposit5+, in Fe2+NO in the case of oxidation totally3 -Removal Rate is up to the removal rate of 50~60%, Pb up to 40~50%.
It is adjusted using technical solution disclosed in present invention and prepares different filler materials, when carrying out sewage disposal Show the property basically identical with embodiment.Illustrative description is done to the present invention above, it should which explanation is not taking off In the case of core from the present invention, any simple deformation, modification or other skilled in the art can not spend wound The equivalent substitution of the property made work each falls within protection scope of the present invention.

Claims (8)

1. a kind of solar anaerobic reactor assembly applied in natural water, it is characterised in that:Including anaerobic reactor, into Water conduit tube goes out water conduit tube, interior return duct, pump, accumulator, photoelectric controller, inverter and generator;The anaerobic reactor Including reaction kettle, electric heating assembly and solar photovoltaic assembly, one-way exhaust valve is provided at the top of anaerobic reactor;The reaction The closed tank body that kettle is vertically arranged, reaction kettle are divided into reaction kettle top, reaction kettle middle part and reaction kettle lower part, reaction kettle top Interior setting three phase separator, reaction kettle top are provided with water outlet, and the water outlet is connected with the water conduit tube that goes out;It is described Reaction kettle in the middle part of in be equipped with spacer-frame, spacer-frame full of denitrifying bacteria activate filler material, the denitrifying bacteria activation Filler material is prepared using inorganic carrying body, inorganic flocculate, inorganic metal salt, activated carbon as raw material, the quality of four kinds of raw materials Than being followed successively by (1~8):(0~0.5):(0~0.5):(2~4), wherein the mass ratio of inorganic flocculate and inorganic metal salt takes It is more than 0 and less than or equal to 0.5 to be worth scope, and four kinds of raw materials, which are sufficiently mixed, to be dispersed in 60~80 DEG C of water, cooling Denitrifying bacteria activator is added in afterwards, is then dissolved in the water in the case where being sufficiently stirred with the speed instillation of 3~4ml/min organic High molecular polymer, organic high molecular polymer are used to denitrifying bacteria activator being fixed on inorganic carrying body surface, cool down After precipitation, lower part deposit is denitrifying bacteria activation filler material, the inorganic carrying body is silica gel, montmorillonite or One kind in diatomite, the inorganic flocculate is aluminium polychloride (PAC), polyaluminium sulfate (PAS), bodied ferric sulfate (PFS) or one kind in poly-ferric chloride (PFC), the inorganic metal salt be sodium chloride, one kind in potassium chloride, it is described Denitrifying bacteria activator ingredient is frerrous chloride, sodium acetate, peptone, yeast extract, glucose, sodium chloride, agar, nitric acid Potassium, mass ratio is followed successively by (1~1.5) during addition:(2~2.5):(15~16):(3~3.5):(1~1.5):(6~6.5): (12~13):(2~2.5);Be provided with water distributor in reaction kettle lower part, water distributor by the pump with it is described into water conduit tube Connection, it is described that the interior return duct is provided with into water conduit tube and going out between water conduit tube;In the anaerobic reactor side wall Hollow interlayer is provided with, the electric heating assembly is arranged in hollow interlayer and is evenly distributed on anaerobic reactor side wall; The solar photovoltaic assembly is connected with the accumulator, and accumulator is connected with the photoelectric controller, photoelectric controller It is connected with inverter, inverter is connected with the control system of the generator, and generator is connected with electric heating assembly and pump.
2. a kind of solar anaerobic reactor assembly applied in natural water according to claim 1, feature exist In:System must be cooled to 30~40 DEG C when adding in the denitrifying bacteria activator, and control itself and inorganic carrying body Ratio is (0.3~8):1, preferably (3~5):1;The organic high molecular polymer is polyvinyl alcohol, polyethylene, polypropylene, poly- One kind in styrene or cellulose, the organic high molecular polymer is dispersed in 95~97 DEG C of water, described Organic high molecular polymer and the final mass ratio of inorganic carrying body are (0.5~0.6):(7~8).
3. a kind of solar anaerobic reactor assembly applied in natural water according to claim 1, feature exist In:Described going out on water conduit tube is provided with out water regulating valve, goes out the other end connection staying water water outlet of water conduit tube;It is described Into inlet regulating valve is provided on water conduit tube, the other end into water conduit tube connects staying water water inlet;Described interior time Return valve is provided in flow tube.
4. a kind of solar anaerobic reactor assembly applied in natural water according to claim 1, feature exist In:The reaction kettle top and the outer surface of reaction kettle lower part be it is arc-shaped, reaction kettle top and reaction kettle lower part it is high by 0.2~ 0.4m, the high 0.2~0.4m in bottom;It is cylinder, a diameter of 0.5~1m, high 1~3m in the middle part of reaction kettle.
5. a kind of solar anaerobic reactor assembly applied in natural water according to claim 1, feature exist In:The denitrifying bacteria activation filler material is filled in using the method for lattice filling in reaction kettle middle part, close to fill out total height For the 75%~90% of reaction kettle total height, denitrifying bacteria Activation filling is reaction kettle total height with the distance at the top of reaction kettle 10%~25%, the disposable 1000~4000mg/L of dosage of technique initial period.
6. a kind of solar anaerobic reactor assembly applied in natural water according to claim 1, feature exist In:The electric heating assembly is made of the heating wire of n groups parallel connection, and 10≤n≤40, heating wire is S-type in the vertical direction, and And heating wire is integrally along reaction kettle axial rings around annular in shape.
7. a kind of user of solar anaerobic reactor assembly applied in natural water according to claim 1 Method comprises the following steps:
Step 1, staying water bank is placed in by the anaerobic reactor device of Driven by Solar Energy by described, utilizes fluorescent quantitation The method of PCR measures the quantity of indigenous denitrifying bacteria in the water body water body;
Step 2, the equipment is run, inlet regulating valve and return valve is opened, closes out water regulating valve, utilize photovoltaic The energy hole pump that component generates is introduced from water body intakes, and the self-loopa of technique initial period internal system is realized, in this stage Denitrifying bacteria microorganism carries out biofilm culture, and denitrifying bacteria after adding in water body is measured by the method for quantitative fluorescent PCR and is lived Change the denitrifying bacteria quantity in filler material, realize that the multiple that the quantity of indigenous denitrifying bacteria increases is more than or equal to 10;
Step 3, inlet regulating valve and return valve is kept to open, then opens out water regulating valve, is intake when controlling normal operation Flow, control hydraulic detention time, by adjust inlet regulating valve, go out water regulating valve and return valve control Inlet and outlet water ratio And nitrate recirculation ratio;
Step 4, the water outlet in anaerobic reactor device is again flowed by self gravitation in staying water;
In step 2 and step 3, solar photovoltaic assembly, which converts solar energy into electrical energy, to be stored in solar storage battery, then Direct current energy signal is converted by photoelectric control prop, DC signal enters inverter and supply gone to hand over being converted into AC load Galvanic electricity device, then by generator control system electric energy, electrical heating group are provided for the electric heating assembly of solar photovoltaic assembly lower floor Part converts electrical energy into thermal energy, and electric heating assembly is all covered in tank surface, effectively accomplish in anaerobic reactor liquid by It is hot uniform;Meanwhile generator control system provides electric energy for pump, to realize the stabilization when self-loopa of the device and normal operation State.
8. a kind of user of solar anaerobic reactor assembly applied in natural water according to claim 7 Method, it is characterised in that:The technique initial period internal system self-loopa time is 24~26h, feed water flow during normal operation Measure 0.1~0.9m3/ h, described controls hydraulic detention time as 6~10h, and the nitrate recirculation ratio example is 400%~500%.
CN201611020549.2A 2016-11-15 2016-11-15 A kind of solar anaerobic reactor assembly applied in natural water and its application method Pending CN108069510A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101844830A (en) * 2009-03-25 2010-09-29 株式会社日立工业设备技术 Method of wastewater treatment
CN102701442A (en) * 2012-05-22 2012-10-03 青岛理工大学 Quick start method of source water biological denitrification system
CN204848436U (en) * 2015-08-12 2015-12-09 甘肃新天亿环保工程有限公司 Solar energy anaerobic reactor device
CN105712497A (en) * 2016-01-18 2016-06-29 同济大学 Microbial activation method and system for eutrophicated water body ecological restoration
CN105948241A (en) * 2016-06-03 2016-09-21 湖南恒凯环保科技投资有限公司 Packed EGSB reactor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101844830A (en) * 2009-03-25 2010-09-29 株式会社日立工业设备技术 Method of wastewater treatment
CN102701442A (en) * 2012-05-22 2012-10-03 青岛理工大学 Quick start method of source water biological denitrification system
CN204848436U (en) * 2015-08-12 2015-12-09 甘肃新天亿环保工程有限公司 Solar energy anaerobic reactor device
CN105712497A (en) * 2016-01-18 2016-06-29 同济大学 Microbial activation method and system for eutrophicated water body ecological restoration
CN105948241A (en) * 2016-06-03 2016-09-21 湖南恒凯环保科技投资有限公司 Packed EGSB reactor

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Application publication date: 20180525