CN105541057B - A kind of method of pig farm biogas slurry recycling - Google Patents

A kind of method of pig farm biogas slurry recycling Download PDF

Info

Publication number
CN105541057B
CN105541057B CN201610119612.1A CN201610119612A CN105541057B CN 105541057 B CN105541057 B CN 105541057B CN 201610119612 A CN201610119612 A CN 201610119612A CN 105541057 B CN105541057 B CN 105541057B
Authority
CN
China
Prior art keywords
cladocera
biogas slurry
photosynthetic bacteria
inoculated
pig farm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610119612.1A
Other languages
Chinese (zh)
Other versions
CN105541057A (en
Inventor
黄旭雄
蔡敬
赵陆敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Maritime University
Original Assignee
Shanghai Maritime University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Maritime University filed Critical Shanghai Maritime University
Priority to CN201610119612.1A priority Critical patent/CN105541057B/en
Publication of CN105541057A publication Critical patent/CN105541057A/en
Application granted granted Critical
Publication of CN105541057B publication Critical patent/CN105541057B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/348Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed

Abstract

The present invention relates to a kind of method of pig farm biogas slurry recycling, i.e. the fermentation biogas slurry on pig farm is filtered by multi-stage aeration successively, inoculation photosynthetic bacteria is simultaneously cultivated, inoculation cladocera filter food photosynthetic bacteria simultaneously collects cladocera, filtrate is inoculated with unicellular alga and cultivates, inoculation cladocera filter food unicellular alga simultaneously collects Water circulation up to standard or discharge link after cladocera and processing, in processing procedure first with photosynthetic bacteria degrade biogas slurry in organic matter and generate thalline, the nutritive salt such as the nitrogen phosphorus in water body are absorbed using microalgae afterwards and generate frond, utilize the bacterium and algae in the non-selective filter drinking water body of cladocera.The photosynthetic bacteria, unicellular alga and cladocera that are generated during biogas slurry treatment can be used for aquaculture and bait by the pig farm biogas slurry resource utilization method of the present invention, the polluter in biogas slurry is realized into recycling by food chain, has the characteristics that input is low, energy consumption is low, can produce obvious economy and ecological benefits.

Description

A kind of method of pig farm biogas slurry recycling
Technical field
The present invention relates to pig farm biogas slurry treatment technical field, is a kind of side of pig farm biogas slurry recycling specifically Method.
Background technology
With the growth of population, the raising of living standards of the people and the fast development of social economy, the mankind are to animality egg White demand also steps up.It is crucial by cultivation to solve the shortage of human animal's property albumen, it is to solve to develop livestock and poultry and aquaculture The important measures of animal protein shortage.Exhaust gas, waste liquid and the waste residue produced during scale animal and poultry cultivation, to periphery Ecological environmental protection often results in very big pressure.Breeding pollution has become the main source of agriculture rural environmental pollution.Cultivation Sewage and fluid bodily thing are the difficult points of intensive livestock and poultry farms pollutant harmless treatment, its major pollutants is organic Thing, nitrogen and phosphorus.(livestock and poultry breeding industry pollutes for the sewage generally use methane-generating pit anaerobic fermentation processing of livestock and poultry farms in scale at present Harnessing project technical specification), but the nutritive salt such as nitrogen phosphorus in the biogas slurry of the enormous amount produced still containing high concentration.With live pig Exemplified by farm, pollutant concentration of its aquaculture wastewater after the processing of methane-generating pit anaerobic fermentation in biogas slurry is still very high, BOD5, ammonia The concentration of nitrogen and total phosphorus is up to 389mg/L, 578.5mg/L and 32.9mg/L respectively, with national livestock and poultry breeding industry pollutant emission Standard (DB33/593-2005;GB/T18596-2001) still there is very big distance (in standard in intensive livestock and poultry cultivation sewage BOD5, total nitrogen and total phosphorus highest allow average daily concentration of emission to be respectively 150mg/L, 80mg/L and 8mg/L).By the natural pond of generation Liquid is in line to arrive water body, will certainly cause natural water serious eutrophication.Therefore, biogas slurry still needs after-treatment.Livestock and poultry are supported Growing a biogas slurry has the tupe of two kinds of routines, and one kind is " qualified discharge " pattern, one kind for " comprehensive utilization " pattern (《Scale Change livestock and poultry farm biogas engineering design discipline》(NY/T 1168)).Under qualified discharge pattern, waste water of livestock poultry is through anaerobic digestion After processing, it is necessary to again by appropriate Aerobic Process for Treatment or processing etc. naturally, reach defined environmental protection standard discharge or reuse.It is this The project cost and running cost of pattern are of a relatively high, and utilize pattern for non-resourceization." comprehensive utilization " pattern is by biogas slurry It is discharged into the mode that farmland absorbs naturally by crops to carry out, is inefficient recycling pattern.Such processing mode With the development of the social economy, its drawback increasingly shows:First, treatment effect is influenced to be difficult to ensure that by crop growing season;Two It is the acceleration of adjustment and the urbanization exploitation of agricultural structure so that the arable land of consumption biogas slurry is insufficient, therefore, using other more The advanced treating that efficient way carries out biogas slurry seems particularly necessary.How biogas slurry is purified, increasingly become scale animal and poultry cultivation The restraining factors of the sustainable production in field.
Photosynthetic bacteria (Photosynthetic Bacteria, abbreviation PSB) be occur on the earth earliest, it is general in nature Store-through, have original luminous energy synthetic system prokaryotes, be not put the photosynthetic bacterium of oxygen under anaerobic General name, can light as the energy, can under anaerobism illumination or aerobic dark condition utilize nature in organic matter, vulcanization Thing, ammonia etc. carry out photosynthetic microorganism as hydrogen donor and carbon source, are played in the material purification process of nature important Effect, especially to the organic matter positive effect in degraded water body, plays the role of purifying water.
Microalgae is enriched as a kind of low photoautotrophy type biology, species.Microalgae cell can be using luminous energy as the energy, from water body The nutriments such as middle absorption nitrate nitrogen, ammonia nitrogen and phosphate are used for synthetic cell component.Existing experimental study shows, different microalgae Tolerance, absorption to the nutritive salt such as various forms of nitrogen, phosphorus in water body is different with Utilization ability.Utilizing microalgae purification sewage In terms of practice, nineteen fifty-seven, Oswald etc. first using microalgae as a kind of biosystem for substituting the activated sludge in sewage disposal, The basis of algae dirty water living creature processing technique is established.Hereafter, people increasingly pay attention to the application that bacterium is combined with algae, build The oxidation pond technology on artificial mode water body alga-bacterium symbiosis self-cleaning basis is found to be widely used and develop.In recent years The research of livestock and poultry sewage purification coupling microalgae high value added product production is also had been reported that, is concentrated mainly on and utilizes livestock and poultry sewage Carry out the field of microalgae biodiesel production.Hu Hongying etc. (2009) has inquired into the profound purification based on microalgae cell culture Coupling technique is produced with high value biomass.Sydney etc. (2010) it is initiative by microalgae sewage disposal and microalgae biodiesel Production is coupled.Hu Hongying and Li Xin (2010), which is analyzed, to be produced the key technology of microalgae biodiesel using sewage resource and dives Power is analyzed.
Cladocera, is under the jurisdiction of Arthropoda, Crustachia, Branchiopoda, the small-sized shell-fish of peg graft, is distributed widely in It is the high-quality natural bait of aquatic livestock in fresh water, seawater and inland brackish water, some species therein have stronger resistant Property, organic debris that can be in non-selective filter drinking water body, be frustule and bacterium, so as to will be difficult to the small battalion that harvests in water body Foster material is transformed into the bait that little particle easily harvests
In conclusion exploitation reusable edible, sewage disposal technology efficiently, inexpensive are that scale animal and poultry cultivation can be held The important measures of supervention exhibition.Animal waste is comprehensively utilized, is turned waste into wealth, is to reduce animal waste arbitrarily to arrange Put, fundamentally crack the fundamental solution of Pollution from livestock and poultry prevention problem.
The content of the invention
The purpose of the present invention is for deficiency of the prior art, there is provided a kind of method of pig farm biogas slurry recycling, And the method on this pig farm biogas slurry recycling yet there are no report.
To achieve the above object, the present invention adopts the technical scheme that:
A kind of method of pig farm biogas slurry recycling, it is characterised in that the fermentation biogas slurry flowed out in digester of pig farm Filtered successively by multi-stage aeration, be inoculated with photosynthetic bacteria and cultivated, be inoculated with cladocera filter food photosynthetic bacteria and collect cladocera, filter Liquid be inoculated with unicellular alga and cultivate, be inoculated with cladocera filter food single-cell algae and collect water up to standard after cladocera and processing discharge or The links such as reuse, organic matter in biogas slurry of degrading first with photosynthetic bacteria in processing procedure are simultaneously generated thalline, are inhaled afterwards using microalgae Receive the nutritive salt such as the nitrogen phosphorus in biogas slurry and generate frustule, recycle what is formed in the non-selective filter food processing procedure of cladocera to have Machine chip, photosynthetic bacteria and unicellular alga, the cladocera of production, photosynthetic bacteria, unicellular alga can be used for aquaculture or Bait, so as to fulfill the recycling of polluter in biogas slurry.
Further, the fermentation biogas slurry flowed out in digester of pig farm first passes around multi-stage aeration filtering, the multistage exposure of use The stainless steel mesh specification of gas filtering is followed successively by 200 mesh, and 300 mesh, 400 mesh and 500 mesh, sieve are tilted, sieved at an angle Sieve bottom installs nanometer aeration pipe, by the part ammonia-nitrogen desorption in biogas slurry under the action of aeration, while prevents sieve mesh from blocking up Plug.
Further, photosynthetic bacteria is inoculated with the biogas slurry by multi-stage aeration filtering to degrade and absorb organic matter, it is photosynthetic The strain of bacterium is Rhodopseudomonas Rhodopseudomonas, Rhodospirillum Rhodospirillum and red bacterium category The species of Rhodobacter, the ratio of initial inoculum and multi-stage aeration the filtering biogas slurry of photosynthetic bacteria is 3:7~5:5, saturating After carrying out culture in 5~10 days in bright Organic glass column or column flexible plastic film bag, certain biogas slurry is maintained to flow into and light Close the bacterial solution rate of outflow and carry out continuous culture, the speed of inflow and outflow is adjusted according to photosynthetic bacterium growth situation.
Further, a cultured photosynthetic bacteria part can be harvested directly for aquaculture production as needed, separately After the photosynthetic bacteria liquid of part outflow enters square culture sink, cladocera is inoculated with, is eaten using the non-selective filter of cladocera Organic debris therein and photosynthetic bacteria, so as to remove the organic and particles of inorganic material in water body, lift water transparency, are connect Naked abdomen flea Moina affinis of seemingly parent, the Daphnia magna Daphnia magna of flea category that the species of the cladocera of kind belongs to for naked abdomen flea The trunk flea Bosmina longirostris belonged to trunk flea.
Further, the cladocera cultivated can be enriched with by filtering recovering device, and the cladocera of enrichment can be used as aquatic products Animal seedling or the living bait of ornamental fish, are also circularly used for filter food unicellular alga.
Further, the biogas slurry of food is once filtered by cladocera, is inoculated with unicellular alga to absorb nitrogen phosphorus in water body etc. Nutritive salt, the algae of unicellular alga is Chlorella Chlorella, egg capsule Trentepohlia Oocystis, Chlorococcum The species of Chlorococcum and Scenedesmus Scenedesmus, single celled initial inoculum by cladocera with once filtering food Biogas slurry ratio be 1:1~5, carry out inflating for 5~10 days in transparent organic glass column or column flexible plastic film bag After culture, maintain that certain biogas slurry flows into and the single-cell algae liquid rate of outflow carries out continuous culture, the speed of inflow and outflow according to Single cells grown situation and the adjustment of the content of Water phosphorus.
Further, a cultured algae solution part can be harvested directly for aquaculture production as needed, another portion After the algae solution distributed enters square culture sink, cladocera is inoculated with, the secondary filter of characteristic is eaten using the non-selective filter of cladocera Organic debris therein and unicellular alga are eaten, further purifying water body, the species for the cladocera being inoculated with is naked abdomen flea category The trunk flea Bosmina belonged to like Daphnia magna Daphnia magna and trunk flea that naked abdomen flea Moina affinis of parent, flea belong to longirostris。
Further,, can after meeting livestock and poultry cultivation sewage drainage standard after testing by the biogas slurry of the secondary filter food of cladocera Handle water discharge or reuse up to standard and rush liquid dung as pig house, reprocessed if detection is not up to discharge standard.
The invention has the advantages that:
1st, pig farm biogas slurry resource utilization method of the invention can be by the photosynthetic bacteria generated during biogas slurry treatment, slender Born of the same parents algae and cladocera are used for aquaculture and bait, and the polluter in biogas slurry is realized recycling by food chain, Have the characteristics that input is low, energy consumption is low, can produce obvious economy and ecological benefits;
2nd, traditional wastewater treatment engineering can only cut down the discharge capacity and discharge intensity of pollutant, usually rare product production Go out, can only generation environment, ecology and social benefit, it is difficult to produce economic benefit.This pattern of the input without output causes to look forward to Industry is not positive to Environmental Inputs, and sewage disposal is coupled together by the present invention with living bait production, can not only realize that sewage is effective Processing, and the cost of living bait production can be reduced, realize that the sustainable and resource of environment recycles, meet national development life The trend of state agricultural, green agriculture and circular agriculture;
3rd, livestock and poultry cultivation sewage is both serious pollution sources, and valuable resource.And the present invention is in traditional livestock and poultry cultivation Photosynthetic bacteria, microalgae and cladocera are introduced in sewage treatment process, by photosynthetic bacteria-microalgae-cladocera food chain by pig farm Biogas slurry purifies and living bait production is coupled, photosynthetic using nutritive salt cultures such as the nitrogen, phosphorus, organic matter of pig farm biogas slurry middle and high concentration Bacterium and microalgae, filter food production living bait by cladocera by cultivated photosynthetic bacteria and microalgae and are produced for animal-breeding, from And realize that the efficient circulation of environmental protection and resource utilizes, ensure production and the sustainable development of ecology.
Brief description of the drawings
Attached drawing 1 is a kind of method flow schematic diagram of pig farm biogas slurry recycling of the present invention.
Embodiment
Embodiment 1
In Shanghai Chongming, large-scale standardization pig-breeding enterprise carries out the pig farm based on photosynthetic bacteria-microalgae-cladocera Biogas slurry recycling and purified treatment.By building 200 square meter greenhouses by biogas slurry pond and culture being installed in greenhouse Sink, transparent cylindrical Organic glass column, column flexible plastic film bag, multi-stage aeration filtration apparatus, zooplankter enrichment harvesting Device, pipeline and inflation facility etc., carry out pig farm biogas slurry recycling and purified treatment.
Fig. 1 is refer to, Fig. 1 is a kind of method flow schematic diagram of pig farm biogas slurry recycling of the present invention.One boar The method of field biogas slurry recycling, Main is that the fermentation biogas slurry flowed out in digester of pig farm passes through multi-stage aeration mistake successively Filter, inoculation photosynthetic bacteria and cultivate, be inoculated with cladocera filter food photosynthetic bacteria and collect cladocera, filtrate be inoculated with unicellular alga simultaneously Culture, inoculation cladocera the filter link such as water discharge or reuse up to standard after eating single-cell algae and collecting cladocera and handle.It is treated Organic matter in biogas slurry of degrading in journey first with photosynthetic bacteria simultaneously generates thalline, the battalion such as rear nitrogen phosphorus absorbed using microalgae in biogas slurry Support salt and simultaneously generate frustule, recycle the organic debris formed in the non-selective filter food processing procedure of cladocera, photosynthetic bacteria and Unicellular alga, the cladocera of production, photosynthetic bacteria, unicellular alga can be used for aquaculture or bait, so as to fulfill biogas slurry The recycling of middle polluter.
Wherein, the fermentation biogas slurry of methane-generating pit outflow first passes around multi-stage aeration filtering, and the multi-stage aeration filtering of use is not Rust steel sieve specification is followed successively by 200 mesh, and 300 mesh, 400 mesh and 500 mesh, sieve tilt at an angle, is installed in screen bottom Nanometer aeration pipe, by the part ammonia-nitrogen desorption in biogas slurry under the action of aeration, while prevents sieve mesh from blocking.
Wherein, photosynthetic bacteria is inoculated with the biogas slurry by multi-stage aeration filtering to degrade and absorb organic matter, photosynthetic bacteria Strain be Rhodopseudomonas Rhodopseudomonas, Rhodospirillum Rhodospirillum and red bacterium category The species of Rhodobacter, the ratio of initial inoculum and multi-stage aeration the filtering biogas slurry of photosynthetic bacteria is 3:7~5:5, saturating After carrying out culture in 5~10 days in bright Organic glass column or column flexible plastic film bag, certain biogas slurry is maintained to flow into and light Close the bacterial solution rate of outflow and carry out continuous culture, the speed of inflow and outflow is adjusted according to photosynthetic bacterium growth situation.
Wherein, a cultured photosynthetic bacteria part can be harvested directly for aquaculture production as needed, another portion After the photosynthetic bacteria liquid distributed enters square culture sink, cladocera is inoculated with, using in the non-selective filter Shiqi of cladocera Organic debris and photosynthetic bacteria, so as to remove the organic and particles of inorganic material in water body, lift water transparency, be inoculated with Daphnia magna Daphnia magna belonged to like naked abdomen flea Moina affinis of parent, flea that the species of cladocera belongs to for naked abdomen flea and as The trunk flea Bosmina longirostris that nose flea belongs to.
Wherein, the cladocera cultivated can be enriched with by filtering recovering device, and the cladocera of enrichment can be used as aquatic livestock Seedling or the living bait of ornamental fish, are also circularly used for filter food unicellular alga.
Wherein, the biogas slurry of food is once filtered by cladocera, is inoculated with unicellular alga to absorb the nutrition such as the nitrogen phosphorus in water body Salt, the algae of unicellular alga is Chlorella Chlorella, egg capsule Trentepohlia Oocystis, Chlorococcum Chlorococcum With the species of Scenedesmus Scenedesmus, the ratio of biogas slurry of the single celled initial inoculum with once filtering food by cladocera For 1:1~5, after carrying out 5~10 days air-charging incubations in transparent organic glass column or column flexible plastic film bag, maintain one Fixed biogas slurry flows into and the single-cell algae liquid rate of outflow carries out continuous culture, and the speed of inflow and outflow is according to single cells grown situation Adjusted with the content of Water phosphorus.
Wherein, a cultured algae solution part can be harvested directly for aquaculture production, another part stream as needed After the algae solution gone out enters square culture sink, cladocera is inoculated with, the secondary filter Shiqi of characteristic is eaten using the non-selective filter of cladocera In organic debris and unicellular alga, further purifying water body, the species of the cladocera being inoculated with for naked abdomen flea belong to like parent The trunk flea Bosmina that the Daphnia magna Daphnia magna and trunk flea that naked abdomen flea Moina affinis, flea belong to belong to longirostris。
Wherein, by the biogas slurry of the secondary filter food of cladocera, after meeting livestock and poultry cultivation sewage drainage standard after testing, can carry out Handle water discharge or reuse up to standard and rush liquid dung as pig house, reprocessed if detection does not reach discharge standard.
Implementation result:
Pig farm biogas slurry recycling and purified treatment were carried out by the method for the present invention in 2015, coprocessing biogas slurry is about 450 cubic metres, wherein 75 cubic metres of photosynthetic bacteria liquid is produced, unicellular 50 cubic metres of algae solution, the fresh and alive public affairs of cladocera 355 Jin, obtains about 310 cubic metres of qualified discharge water body, the main water quality index for discharging water is as follows:Chemical oxygen consumption (COC)<300mg/L, ammonia Nitrogen<50mg/L, total phosphorus<5mg/L, pH6.8-7.5, transparency > 40cm.
A kind of method of pig farm biogas slurry recycling has obvious advantage, pig farm natural pond of the invention compared with conventional method Liquid resource utilization method can support the photosynthetic bacteria, unicellular alga and cladocera that are generated during biogas slurry treatment for aquatic products Grow and bait, the polluter in biogas slurry is realized into recycling by food chain, have and put into that low, energy consumption is low, can produce The characteristics of obvious economy and ecological benefits;The discharge capacity that traditional wastewater treatment engineering can only cut down pollutant is strong with discharging Degree, usual rare product output can only generation environment, ecology and social benefit, it is difficult to produces economic benefit.This input nothing The pattern of output causes enterprise not positive to Environmental Inputs, and sewage disposal is coupled together by the present invention with living bait production, no But it can realize that sewage is effectively handled, and the cost of living bait production can be reduced, realize sustainable and resource the circulation profit of environment With meeting the trend of the national development ecological agriculture, green agriculture and circular agriculture;
Livestock and poultry cultivation sewage is both serious pollution sources, and valuable resource.The present invention is in traditional livestock and poultry cultivation sewage Photosynthetic bacteria, microalgae and cladocera are introduced in treatment process, by photosynthetic bacteria-microalgae-cladocera food chain by pig farm biogas slurry Purification and living bait production are coupled, and utilize the nutritive salt culture photosynthetic bacteria such as nitrogen, phosphorus, organic matter of pig farm biogas slurry middle and high concentration And microalgae, cultivated photosynthetic bacteria and microalgae are filtered into food production living bait by cladocera and produced for animal-breeding, so that real The efficient circulation of existing environmental protection and resource utilizes, and ensures production and the sustainable development of ecology.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art Member, on the premise of the method for the present invention is not departed from, can also make some improvement and supplement, these are improved and supplement also should be regarded as Protection scope of the present invention.

Claims (5)

  1. A kind of 1. method of pig farm biogas slurry recycling, it is characterised in that the fermentation biogas slurry flowed out in digester of pig farm is successively Filtered by multi-stage aeration, be inoculated with photosynthetic bacteria and cultivate, be inoculated with cladocera filter food photosynthetic bacteria and collect cladocera, filtrate connects Kind of unicellular alga and cultivate, be inoculated with cladocera filter food unicellular alga and collect after cladocera and processing water discharge up to standard or time With, in processing procedure first with photosynthetic bacteria degrade biogas slurry in organic matter and generate thalline, afterwards using cladocera it is non-selective The organic debris formed in filter food processing procedure and photosynthetic bacteria, recycle unicellular alga to absorb the nitrogen and phosphorous nutrient in biogas slurry And frustule is generated, the organic debris formed in processing procedure and unicellular alga then are eaten using the non-selective filter of cladocera, The cladocera of production, photosynthetic bacteria, unicellular alga are used for aquaculture or bait, so as to fulfill the money of polluter in biogas slurry Sourceization utilizes;
    The stainless steel mesh specification of the multi-stage aeration filtering of use is followed successively by 200 mesh, 300 mesh, 400 mesh and 500 mesh, and sieve is in one Determine angle tilt, nanometer aeration pipe is installed in screen bottom, by the part ammonia-nitrogen desorption in biogas slurry under the action of aeration, at the same time Prevent sieve mesh from blocking;
    Photosynthetic bacteria is inoculated with biogas slurry by multi-stage aeration filtering to degrade and absorb organic matter, the strain of photosynthetic bacteria is red Pseudomonas(Rhodopseudomonas), Rhodospirillum(Rhodospirillum)With red bacterium category(Rhodobacter) Species, photosynthetic bacteria initial inoculum and multi-stage aeration filtering biogas slurry ratio be 3:7~5:5, in transparent organic glass After carrying out culture in 5 ~ 10 days in column or column flexible plastic film bag, certain biogas slurry is maintained to flow into and photosynthetic bacteria liquid outflow Speed carries out continuous culture, and the speed of inflow and outflow is adjusted according to photosynthetic bacterium growth situation;
    The biogas slurry of food is once filtered by cladocera, is inoculated with unicellular alga to absorb the nitrogen and phosphorous nutrient in water body, single-cell algae The algae of class is Chlorella(Chlorella), egg capsule Trentepohlia(Oocystis), Chlorococcum(Chlorococcum)And scenedesmus Belong to(Scenedesmus)Species, the ratio of the biogas slurry of the initial inoculum of unicellular alga with once filtering food by cladocera For 1:1 ~ 5, after carrying out 5 ~ 10 days air-charging incubations in transparent organic glass column or column flexible plastic film bag, remain certain Biogas slurry flow into and the single-cell algae liquid rate of outflow carries out continuous culture, the speed of inflow and outflow is according to the growth of unicellular alga Situation and the adjustment of the content of Water phosphorus.
  2. 2. the method for a kind of pig farm biogas slurry recycling according to claim 1, it is characterised in that cultured photosynthetic Directly harvesting is used for aquaculture production to a bacterium part as needed, and the photosynthetic bacteria liquid that another part flows out enters square After cultivating sink, cladocera is inoculated with, organic debris therein and photosynthetic bacteria are eaten using the non-selective filter of cladocera, so as to remove Organic and particles of inorganic material in water body, lifts water transparency, and the species for the cladocera being inoculated with is the close relative that naked abdomen flea belongs to Naked abdomen flea(Moina affinis), flea belong to Daphnia magna(Daphnia magna)The trunk flea belonged to trunk flea(Bosmina longirostris).
  3. A kind of 3. method of pig farm biogas slurry recycling according to claim 1, it is characterised in that collected branch angle Class is enriched with by filtering recovering device, and the cladocera of enrichment is used as the living bait of aquatic livestock seedling, and also circulation is used to filter food Unicellular alga.
  4. A kind of 4. method of pig farm biogas slurry recycling according to claim 1, it is characterised in that cultured algae solution It is a part of that directly harvesting is used for aquaculture production as needed, after the algae solution that another part flows out enters square culture sink, Cladocera is inoculated with, organic debris and unicellular alga in the secondary filter drinking water body of characteristic are eaten using the non-selective filter of cladocera, Further purifying water body, the species for the cladocera being inoculated with are the naked abdomen flea of close relative that naked abdomen flea belongs to(Moina affinis), flea category Daphnia magna(Daphnia magna)The trunk flea belonged to trunk flea(Bosmina longirostris).
  5. 5. the method for a kind of pig farm biogas slurry recycling according to claim 1, it is characterised in that by cladocera two The biogas slurry of secondary filter food, after meeting livestock and poultry cultivation sewage drainage standard after testing, carries out discharge of wastewater processing or reuse conduct up to standard Pig house rushes liquid dung, is reprocessed if detection does not reach discharge standard.
CN201610119612.1A 2016-03-03 2016-03-03 A kind of method of pig farm biogas slurry recycling Active CN105541057B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610119612.1A CN105541057B (en) 2016-03-03 2016-03-03 A kind of method of pig farm biogas slurry recycling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610119612.1A CN105541057B (en) 2016-03-03 2016-03-03 A kind of method of pig farm biogas slurry recycling

Publications (2)

Publication Number Publication Date
CN105541057A CN105541057A (en) 2016-05-04
CN105541057B true CN105541057B (en) 2018-04-24

Family

ID=55820685

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610119612.1A Active CN105541057B (en) 2016-03-03 2016-03-03 A kind of method of pig farm biogas slurry recycling

Country Status (1)

Country Link
CN (1) CN105541057B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106277320B (en) * 2016-08-31 2019-10-29 中国科学院汕头海洋植物实验站 A kind of Penaeus Vannmei freshwater cultivation water regulation method
CN107226596B (en) * 2017-08-10 2020-08-11 成都钧乔农业科技开发有限公司 Process for fermenting livestock manure water by engineering bacteria and algae and matched culture water
CN107509673B (en) * 2017-08-18 2020-08-18 上海海洋大学 Intensive Litopenaeus vannamei breeding wastewater resource utilization method
CN109090363A (en) * 2018-09-04 2018-12-28 肖树恩 A kind of feed and preparation method and ecological circulation agricultural methods
CN110128181A (en) * 2019-06-14 2019-08-16 武汉益锦祥生物环保有限公司 A kind of production method and process units of the phycomycete fertilizer based on biogas slurry

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101074144A (en) * 2006-05-17 2007-11-21 郭文瑞 Ecological treatment and recovering utilization for farm
CN101327997A (en) * 2008-07-24 2008-12-24 中山大学 Comprehensive processing method of aquiculture sewerage
CN102267787A (en) * 2011-07-27 2011-12-07 福建科佳奇迈生物工程有限公司 Method for treating livestock and poultry culture polluted marsh solution
US8133391B2 (en) * 2008-05-17 2012-03-13 Shanghai Taihe Water Environmental Technology Development Co., Ltd. Method of ecological restoration of water bodies containing excess nutrient
CN104450513A (en) * 2013-11-26 2015-03-25 朱祖阳 Full-automatic factory full-wave band closed circulating water real-time monitoring breeding device
CN104542423A (en) * 2015-02-05 2015-04-29 朱祖阳 Cellular totally-closed recirculating aquaculture system device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101074144A (en) * 2006-05-17 2007-11-21 郭文瑞 Ecological treatment and recovering utilization for farm
US8133391B2 (en) * 2008-05-17 2012-03-13 Shanghai Taihe Water Environmental Technology Development Co., Ltd. Method of ecological restoration of water bodies containing excess nutrient
CN101327997A (en) * 2008-07-24 2008-12-24 中山大学 Comprehensive processing method of aquiculture sewerage
CN102267787A (en) * 2011-07-27 2011-12-07 福建科佳奇迈生物工程有限公司 Method for treating livestock and poultry culture polluted marsh solution
CN104450513A (en) * 2013-11-26 2015-03-25 朱祖阳 Full-automatic factory full-wave band closed circulating water real-time monitoring breeding device
CN104542423A (en) * 2015-02-05 2015-04-29 朱祖阳 Cellular totally-closed recirculating aquaculture system device

Also Published As

Publication number Publication date
CN105541057A (en) 2016-05-04

Similar Documents

Publication Publication Date Title
CN105541057B (en) A kind of method of pig farm biogas slurry recycling
CN104310591B (en) The construction process of the city appearance water body ecosystem
CN102161550B (en) Method for producing feed additive from livestock and poultry breeding wastewater and purifying breeding wastewater to reclaimed water
CN104255632B (en) The intelligent organic prawn ecology rearing device of totally-enclosed full impregnated light
CN101066807B (en) Sewage treating micro algae apparatus and process
JP2017507780A (en) Large-scale optical capture bioreactor for water purification and operation method
CN103396950A (en) Biogas slurry ecological purification method based on microalgae cultivation
CN108975614B (en) Operation method of biogas slurry ecological treatment culture system
CN105754860A (en) Method for efficiently purifying biogas slurry in pig farm through composite microalgae
CN106430526A (en) River sewage treatment process
CN106396112B (en) A kind of helotisn purifies the composite system of high ammonia nitrogen pig raising biogas slurry in conjunction with biological floating bed technology
WO2014190571A1 (en) System combining aquaculture and soil-less agricultural planting
CN108358692A (en) It is a kind of to utilize liquid fertilizer of livestock and poultry feces and preparation method thereof and its application process
CN105585223B (en) A kind of freshwater aquiculture waste water advanced treatment recovery system and method
CN101503264A (en) Method for ectopically and ecologically repairing eutrophication water
CN105309388B (en) A kind of daphnia heatproof acclimation method and the method for carrying out restoration of the ecosystem to water body using daphnia
CN1219430C (en) Youngling of large sea horse and artificial cultivating method of commodity sea horse and its equipment
CN208956743U (en) A kind of raising fish and shrimp pond convenient for blowdown
CN105400697A (en) Method for purifying undiluted anaerobic fermentation tail liquid by growing microalgae in carbon dioxide environment
CN105600942A (en) Method for formation of bioflocs by cyanobacterial bloom
CN109052834A (en) A kind of administering method of eutrophication water
CN103131688B (en) Preparation method for corncob and/or straw bearing photosynthetic bacteria and application thereof
CN105540995B (en) A kind of ecological utilization method for purifying domestic sewage in rural areas and aquatic bird aquaculture wastewater
CN209914686U (en) Composite seed culture system for large-scale livestock and poultry breeding manure treatment
Wang Ecological waste treatment and utilization systems on low-cost, energy-saving/generating and resources recoverable technology for water pollution control in China

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant