CN101074144B - Ecological treatment and recovering utilization for farm - Google Patents

Ecological treatment and recovering utilization for farm Download PDF

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Publication number
CN101074144B
CN101074144B CN2006100406133A CN200610040613A CN101074144B CN 101074144 B CN101074144 B CN 101074144B CN 2006100406133 A CN2006100406133 A CN 2006100406133A CN 200610040613 A CN200610040613 A CN 200610040613A CN 101074144 B CN101074144 B CN 101074144B
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chlorella
algae
livestock
poultry
plant
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CN2006100406133A
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CN101074144A (en
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郭文瑞
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陈林水
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    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • 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
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/20Sludge processing
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

A method for harnessing, recovering and utilizing ecological farm is carried out by centrifugalizing out marsh slag and marsh liquid from mixture of them in livestock and fowls farm, sterilizing for marsh liquid, filtering by water, selecting chlorellin algae, expanding while culturing, raising fish and algae, inspecting while preventing pest diseases, collecting, recovering clear liquor, utilizing by livestock and fowls farm, extracting algae mud from algae liquor, mixing with feed, returning farm for animals and fowls, inoculating while fermenting, mixing fermented algae bacterium nutritive liquid with feed for animals and fowls, or extracting algae mud from algae liquor, spraying and drying to obtain algae powder health-care food. It creates 'animals-fowls-marsh-fish-algae-bacterium' symbiotic food-chain circulation and ecological balance system.

Description

The method of plant's ecological management and recycling
[technical field]
The invention relates to a kind of building method of ecological engineering, be meant the ecological management of a kind of plant environmental pollution and the method for recycling especially.
[background technology]
In recent years, at the fast development of poultry industry, cause severe environmental pollution and the human exhausted day by day problem of protein source that faces.China's poultry industry develops rapidly, has created the miracle of sustainable growth in continuous 20 years, and average annual increasing degree is about 10%, and the output value increases nearly 5 times.Livestock and poultry had become rural economy new growth point and important mainstay industry already.But, along with developing rapidly of poultry industry, the its feeding scale is increasing, the degree of intensification and mechanize is more and more higher, " livestock and poultry village, breed sub-district and thousand cattle farms, ten thousand pig farms and 1,000,000 chicken houses " are more and more, thereby movement that is brought by poultry industry production and the poisonous residue that is brought by animal and fowl fodder and product are also more and more heavier to the pollution of ecotope, poultry industry has become very important source of pollution, and it is contaminate environment but also have a strong impact on human health not only.Therefore; fully realize the seriousness of poultry industry production contaminate environment; approach that analysis pollutes and reason; searching science and effective solution; be to preserve the ecological environment and a problem demanding prompt solution sign of human health shows that present livestock and poultry cultivation is for administering measure and the means of polluting; roughly be divided into three phases: traditional plantation combination and ecologic breeding, the biogas technology fermentation method also has the novel pollution treatment method of nearly one, two year research institutions research.Such as the pollution treatment processing of in circle, fermenting of the microbial strains of introducing Japan and husk.But up to the present novel pollution treatment method is not all promoted and demonstration as yet, because technical sophistication, cost is too high, and the raiser does not bear; The biogas technology fermentation method, though partly handle by biogas fermentation, the methane liquid of discharging still causes the rich foster battalionization problem of water body, thereby each city water quality worsens day by day; Traditional plantation combination and ecologic breeding because of the kind restriction of being planted, no matter be that fruit tree, food crop are long because of the cycle, are influenced by seasonal climate again, so can not reach the purpose of thorough pollution treatment.On the whole, because big surprising of livestock and poultry blowdown flow rate, one day blowdown flow rate of per hundred pigs is more than at least 3 tons, at least 1 ton of one day blowdown flow rate of per thousand chickens, and one day blowdown flow rate ight soil of per hundred oxen and sewage are more than at least 30 tons.So polluting, livestock and poultry breeding industry do not obtain a good method that thoroughly solves so far as yet.
Existing livestock and poultry cultivation pollution situation:
Forming the environmental protection century trip from 2005 by units such as the Ministry of Finance, the Ministry of Agriculture, Environmental Protection Administration, the Chinese Central Television (CCTV) recognizes, the livestock and poultry farm part that arrives, ubiquity directly pours into waste residue in the face of land or other the environment, be exactly by after the harmless treatment also during the farmland, also greatly surpass the maximal workload in farmland, cause at ground-level source and pollute and groundwater pollution.Production of Livestock and Poultry embodies following three aspects to the ecological environmental pollution key:
(1), fecaluria is to the pollution of environment
In breeding production, (only) domestic animal is source of pollution, the production field that plant is exactly environmental pollutant.According to surveying and determination, a pig day defecation urine 6kg (being human 5 times), 2.5 tons of year excretions.According to statistics in 2002, the whole nation 4.85 hundred million meters of raising pigs, then a day defecation amount is 2,910,000 tons, a year defecation amount is 10.62 hundred million tons.Discharge feces about 60 tons pig farm day for one ten thousand, 2.19 ten thousand tons of year defecation.According to surveying and determination, a chicken day defecation amount is 0.10kg, then year defecation 36kg.Raise chickens 38.04 hundred million in the whole nation, 3.8 hundred million kilograms of day defecation, about 1.39 hundred million tons of year defecation.About 100 tons of chicken manure is produced in the batch production poulty house of 1,000,000 chickens every day, produces 3.6 ten thousand tons of chicken manures per year.According to the FAO of United Nations data, whole world every year, only chicken manure just reached 46,000,000,000 tons.At present, the plant of national various mass-producings constantly increases.For example, existing more than 80 on the pig farm of market pig more than 3000 of producing per year, Guangdong, more than 5000 95; There are 12 on ten thousand pig farms in Shenzhen, more than 5000 5; There are more than 2500 of various livestock and poultry farms in Beijing, and wherein the mechanized chicken farm is 901,1254 on scale pig farm, and year is raised pigs about 6,000,000, produces about 1,500 ten thousand tons of pig manure per year, is equivalent to the ight soil amount of 3,000 ten thousand populations.Around these plants, smoked day of stench, mosquitos and flies multiplies, bacterial reproduction, eqpidemic disease is propagated, and has a strong impact on the life and work of surrounding resident and healthy.
(2) sewage is to the pollution of environment
According to surveying and determination, the quantity of wastewater effluent of plant is generally 0.5~1 times of its defecation amount, wherein with the quantity discharged of diary farm for the highest, be about 2~3 times of its defecation amounts.If the pig farm takes bath to eliminate the excrement dirt, one pig day quantity of wastewater effluent be 30kg, one ten thousand pig farm year 109.5 ten thousand tons of sewers.By this calculating, 4.86 hundred million of pigs are raised in the whole nation, and a year sewer is 53.22 hundred million tons.The quantity of wastewater effluent in poulty house is pressed and the defecation equivalent calculated, and a year sewer is 1.39 hundred million tons.According to the investigation to 444 big-and-middle-sized pig farms, the whole nation, the pig farm of treated direct sewage effluent does not account for 97.7%.Sewage is not treated, contains a large amount of pathogenic micro-organisms, if directly row is to the river, with water source, area, severe contamination downstream, causes the eutrophication of water body.According to statistics, produce the pig farm of 10,000 pigs per year, the biochemical oxygen demand (BOD) BOP value that the blowdown flow rate of every day is equivalent to 50,000 human excrement is 13 times of human fecaluria.According to environmental administration's monitoring, estimate the chemical oxygen demand (COD) (BOD of the sewage of pig farm discharging with state sewage emission standard 5) exceed standard 76 times, suspended solids (SS) exceeds standard 14 times, more than the pollution index Pij=63.61 of three overall targets, reached the severe contamination degree.
(3) stench is to the pollution of environment
Stench during poultry industry is produced is mainly from ight soil, feed fermentation and domestic animal breathing etc.The main compound of foul smell has aldehydes, mercaptan and the amine etc. of carbonic acid gas, ammonia, hydrogen sulfide, methane, indoles, skatole (skatole) and fat.Should be pointed out that ruminating animals such as cattle and sheep not only produce a large amount of ight soil, and produce a large amount of gas contamination atmosphere such as methane.It is reported that the methane gas that ruminating animal produces accounts for the methane gas scale of construction maximum that 1/5 times of methane gas in the atmosphere, particularly ox produce, is 2~3 times of other ruminating animal.According to O ' Neill and Phillips (1992), the stench that stock-farms gives out, its malodorous compounds has 168 kinds, wherein the stink threshold value≤0.001mg/m of 30 kinds of malodorous compounds 3, in the compound of lowest threshold, have 6/10 to contain sulphur.Wherein the malodorous compounds of pig manure has 75 kinds more than, mainly is alcohols, ketone, aldehydes, amine, mercaptan and nitrogen-containing heterocycle compound.The very low (<0.001mg/m of the threshold value of these gases 3), so stink is very big.In a word, the air of animal house surrounding environment reaches serious pollution level.
The Production of Livestock and Poultry contaminate environment works the mischief:
(1) takies and polluted agricultural land
With Beijing is example, and more than 2500 of the existing big-and-middle-sized livestock and poultry farms in Beijing because of the heap excrement takes up an area of 1200 mu, in addition, also have near the thousands of hectares of livestock and poultry farms farmland to lose because of the erosion of high density liquid dung or reduce productive value greatly.
(2) polluted-water
Contain a large amount of nitrogen, phosphorus in the feces of livestock and poultry, as do not add appropriate management, enter the pollution that will cause water bodys such as river, lake, underground water in the environment with sewage discharge.Its consequence, it at first is body eutrophication, the enrichment that is nutritive elements such as nitrogen in the water body of sealing such as lake, reservoir or bay or semiclosed property, phosphorus, carbon causes some feature algae to be mainly abnormality proliferations such as blue-green algae, green alga, cause water transparency to descend, dissolved oxygen reduces, the large quantities of death of hydrobiont, water taste is stench etc.As in August, 1998~October in gulf, Jinzhou, the Bohai Sea owing to go into the big area red tide that extra large sewage and coastal waters aquaculture self-pollution cause, make aquaculture, fish industry lose nearly 5.6 hundred million yuans.The a large amount of undressed livestock and poultry fecalurias in suburbs, Shanghai are directly entered the river course, have caused the eutrophication in Huangpu River trunk river.Beijing's Miyun Reservoir is the drinking water source of capital's inhabitants, also is subjected to the threat of other several the large-scale breed feces of livestock and poultry pollutions of flume of Miyun Reservoir periphery at present; Next is surface water and phreatic nitric nitrogen and nitrite nitrogen pollution.Nitric nitrogen can be reduced to nitrite nitrogen by enzyme system after entering human body, gently then causes the methemoglobin disease, and is heavy then make infant death.NO 3-N and NO 2-N is that extensive chemical is carcinogenic, the character of mutagenesis, teratogenesis, and is very serious to human body harm.The matting slurry is a kind of semiliquid mixture of animal waste, and its concentration ratio raw waste water is high 100 times.The waste liquid that silage produces when not having the situation bottom fermentation of air, its staining property are 200 times of raw waste water.
(3) produce odor pollution gas
Owing to contain multiple volatile component in the ight soil, the animal dung potbellied of stacking can produce obnoxious flavoures such as a large amount of voltaile fatty acids, aldehydes matter, indoles material, sulfide, has had a strong impact on Air quality, has endangered the healthy of staff and surrounding resident.
(4) cause biological pollution
Feces of livestock and poultry is the same with sewage, and biological oxygen demand (BOD) is very high, and contains suspended solids, nitrate, phosphorus and a large amount of pathogenic micro-organism, parasites.They can cause surface water eutrophication and turbidity to increase when unprocessed.Be subjected to the water that feces of livestock and poultry pollutes and also can spread disease, zoonosis especially, serious harm human and livestock health.
[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of ecological management of plant and the method for recycling, culture and ecology is gathered and microbial fermentation technology carries out the livestock and poultry cultivation Pollution abatement and reclaim comprehensive utilization in conjunction with ecological chlorella, with solve government and raiser for livestock and poultry cultivation pollution be entangled with problem.
The present invention solves the problems of the technologies described above by the following technical programs: the method for a kind of plant ecological management and recycling comprises the steps:
Step 1: after producing biogas in the livestock and poultry farm, the mixture of natural pond slag and natural pond liquid is isolated natural pond slag and natural pond liquid through after centrifugal, and natural pond liquid gives over to the source of manure of cultivating chlorella through after sterilizing;
Step 2: after water filtered by existing filtration unit, as the water source of cultivating chlorella;
Step 3: select chlorella algae kind, and carry out the enlarged culturing chlorella, cultivate in the ratio of water, algae kind, fertilizer;
Step 4: chlorella algae kind, water and the natural pond liquid produced through above-mentioned three steps are placed into big area fish algae cultivation pool and carry out the fish algae and raise together with;
Step 5: detect and prevent and treat disease;
Step 6: gather the chlorella algae liquid after detection prevents and treats disease, and reclaim the livestock and poultry farm utilization by the back primary water of gathering.
This invention can further be specially:
Comprise step 7: take out chlorella algae mud the chlorella algae liquid after detection prevents and treats disease, return livestock and poultry farm behind the direct mix fodder of algae mud and feed livestock and poultry.
Perhaps take out chlorella algae mud the chlorella algae liquid after detection prevents and treats disease, inoculation fermentation is fed livestock and poultry after phycomycete nutritive medium that is fermented into and feed are puddled then.
The described phycomycete nutritive medium that is fermented into inserts that the centrifugal natural pond slag that goes out carries out anaerobically fermenting in the described step 1, makes microbial fertilizer, and perhaps the phycomycete nutritive medium adds into and to carry out biogas in the feces of livestock and poultry and handle.
The step that comprises the chlorella intensive culture between step 4 and the step 5 is taken out chlorella algae mud like this chlorella algae liquid after detection prevents and treats disease, will make algae powder after the algae mud spraying drying then, with algae powder processing health food.
Be included in outdoor enlarged culturing chlorella in the described step 3, with white plastic tank as cultivating carrier, the provenance when giving over to big area and cultivating chlorella.
The breed pond that the fish algae is raised together with in the described step 4 comprises three constructional method brick mix structures, native pool structure or plastic mold structure.
Gathering in the described step 6 adopts ecological percentage recovery to collect, or centrifugal percentage recovery or flocculation agent percentage recovery, at first build the cement pit of gathering, gather or extract nutrient solution out 1/3-2/3 and gather the chlorella nutrient solution is disposable, the remaining water that adds adds natural pond liquid and continues to cultivate again, and can gather once in 3-5 days.
The advantage of the method for plant of the present invention ecological management and recycling is: the fecal pollution problem that not only reaches thorough improvement livestock and poultry; and large scale culturing is bred out stable yields; high yield; chlorella cheaply; photosynthetic bacterium; yeast; breast beneficial bacteria such as yeast-like fungi and obtain the microbial proteinous source; returning livestock and poultry farm again uses; can reduce the feed usage quantity significantly; can effectively prevent and treat common disease; promote growth; improve day weight gain; shorten culturing time; deodorizing; drive fly; improve feeding environment; improve meat matter comprehensively, produce the pure natural green food of delicious no drug residue, effectively prevent pollution of dining table; whole ecological governing system three-waste free discharge; have only 5-7 days one-period from being seeded to gather, this is that any plant is irreplaceable at present, handles the stool problems of livestock and poultry farm up hill and dale; protect social environment and river water quality effectively, reach and administer and recovery comprehensive utilization purpose.
[description of drawings]
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the schema of the method for plant of the present invention ecological management and recycling.
[embodiment]
See also Fig. 1, the method for plant of the present invention ecological management and recycling comprises the steps:
Step 1: after producing biogas in the livestock and poultry farm, the mixture of natural pond slag and natural pond liquid is centrifugal through the solid-liquid whizzer, isolates natural pond slag and natural pond liquid, and natural pond liquid gives over to the source of manure of cultivating chlorella through after sterilizing;
Step 2: after water filtered by existing filtration unit, the water source as cultivating chlorella wherein adopted phreatic effect best;
Step 3: select chlorella algae kind, and carry out the enlarged culturing chlorella, ratio in water, algae kind, fertilizer is cultivated, enlarged culturing chlorella out of doors, available white plastic tank is as cultivating carrier, can cultivate the provenance when giving over to big area cultivation chlorella according to catching up with the ratio of stating the same water, algae kind, fertilizer;
Step 4: chlorella algae kind, water and the natural pond liquid produced through above-mentioned three steps, be placed into big area fish algae cultivation pool and carry out the fish algae and raise together with, this breed pond can be implemented according to the economic strength of each livestock and poultry farm.Concrete three constructional methods: one, be brick mix structure; Two, be native pool structure; Three, be the plastic mold structure, all can cultivate chlorella;
Step 5: chlorella intensive culture, because green alga is a kind of nine seed amino acids, VITAMIN, trace element and magical short long factor (C, G, F) that is rich in necessary for human, so, chlorella is as the words of health care of food raw material if desired, that is just cultivated by intensive culture and gathers, if chlorella is as feedstuff raw material or fodder additives, that is gathered and can then as long as the fish algae is raised together with;
Step 6: detect and prevent and treat disease, every milliliter of chlorella cells just can be gathered about 500 ten thousand in cultivating chlorella algae liquid, can calculate or use spectrophotometer with blood counting chamber;
Step 7: gather the chlorella algae liquid after detection prevents and treats disease, the available existing ecological percentage recovery of gathering is collected, also can be with existing centrifugal gathering or the flocculation agent percentage recovery, need build the cement pit of gathering, gather or extract nutrient solution out 1/3-2/3 and gather the chlorella nutrient solution is disposable, the remaining water that adds adds natural pond liquid and continues to cultivate again, can gather once in 3-5 days, because chlorella is cultured to harvest and only needs about 5 days, the cycle is short, and growth is fast, this any plant institute on the present earth is irreplaceable, can effectively substitute fruit tree or food crop farming, and reclaim the livestock and poultry farm utilization, can save a large amount of waters by the back primary water of gathering;
Step 8: take out chlorella algae mud the chlorella algae liquid after detection prevents and treats disease, comprise three steps thereafter:
Step 810: return livestock and poultry farm behind the direct mix fodder of algae mud and feed livestock and poultry, the culturing feed that can reduce the same day significantly reduces cost, and reduces and cultures risk, for creating more economic benefit in the livestock and poultry cultivation family;
Step 820: will make algae powder after the algae mud spraying drying, with algae powder processing health food;
Step 830: inoculation fermentation, the raw material of algae mud inoculation fermentation and ratio following (weight percent): algae mud: 100, EM (useful composite bacteria): 0.5-1, brown sugar: 5-50, black mold: 0.2-1, photosynthetic bacterium: 2-20.Make full use of the natural microbial bacterial classification, become the fermented liquid of profitable strain, the phycomycete nutritive medium that is fermented into is used for mix fodder and feeds livestock and poultry, can improve immunizing power and efficiency of feed utilization, reduce the ight soil stink, shorten the culture-cycle, substitute traditional microbiotic antibiotic, improve the meat taste, reach export standard, the phycomycete nutritive medium can also spray into that livestock and poultry farm carries out deodorizing;
The phycomycete nutritive medium that is fermented in step 9 step 830 can insert also that the centrifugal natural pond slag that goes out carries out anaerobically fermenting in the step 1, thereby makes microbial fertilizer, and perhaps the phycomycete nutritive medium adds into and to carry out biogas in the feces of livestock and poultry and handle.
Main innovate point of the present invention is:
(1) when feces of livestock and poultry carries out the biogas processing, the ratio of adding the phycomycete nutritive medium impels it fully thoroughly to decompose oxious component and robust fibre macromole etc., reduces malodorous compounds greatly.
(2) chlorella is determined in the screening of chlorella vulgaris, and the external environmental condition of growth and breeding the best is finished a plantation harvest cycle at 5-7 days from being seeded to gather, and this is that any plant is irreplaceable at present, thoroughly solves the problem of natural pond liquid measure.
(3) cultivating the chlorella process, carry out ecological fish algae culture method, be to utilize interdependence between the biotic population in the water body, mutual restriction, the biologic chain relation that symbiosis is long altogether, create chlorella and cultivate good ecotope, can save a large amount of equipment and produce materials, solved this high difficult problem of the cost of chlorella cultivation for a long time.
(4) the utilization ecological chlorella harvesting method is collected chlorella, and compiling costs is low, and the collection rate height is cultivated waste water and reached national specified discharge standard, thoroughly solves the effluent problem of livestock and poultry farm.
(5) using microbe breaking wall by fermentation technology, carry out the beneficial microorganism breed selection, consumption is determined, the cycle of determination of ratio and fermentation time between the profitable strain, the concentrated solution of collecting with chlorella has interactional principle, the proteolytic enzyme that chlorella produces probiotics, cellulase, polygalacturonase etc., but broken wall chlorella form the phycomycete nutritive medium that coordinates mutually and act on.
(6) the phycomycete nutritive medium is stirred the forage feed livestock and poultry animal in proportion and dilutes sprinkling livestock and poultry hurdle house and natural pond liquid, natural pond slag anaerobically fermenting, solve malodorous compounds and drug residue and HUMAN HEALTH problem.
(7) creating one is tie with chlorella bacterium method, the short mutually food chain circulation that concerns of " poultry → fowl → natural pond → fish → algae → bacterium " symbiosis and the new way of ecological balanced system.
(8) thoroughly solve the input and output problem that pollution treatment is taken care at the livestock and poultry cultivation family.
The biogas that produces among the present invention can return the livestock and poultry farm comprehensive utilization of energy, though traditional livestock and poultry farm fermentation methane is by harmless treatment, but its natural pond liquid does not reach biochemical oxygen demand (BOD)≤150mg/L at all, chemical oxygen demand≤400mg/L, suspended substance≤200mg/L, ammonia nitrogen≤80mg/L, total phosphorus≤8mg/L, fecal coliform≤10/mg, roundworm egg≤2/L, the emission standard of odor concentration zero dimension standard value 70 grades.Second directly enter the stream or go back Tagayasu Den's usefulness, because natural pond liquid is rich in many plant nutrient substances, discharging greatly causes body eutrophication like this, also greatly surpasses the maximal workload in farmland, causes ground pollution and groundwater pollution.The technical program adds the phycomycete nutritive medium in the fermentation of livestock and poultry farm natural pond liquid at that time, allows it fully ferment, and thoroughly decomposes its robust fibre macromole of objectionable constituent etc.Because natural pond liquid is rich in organotrophy salt, glucose, amino acid, VITAMIN, micro-first number, particularly contain the Plant hormones regulators,gibberellins that promotes chlorella growth, indoleacetic acid is so the chlorella intensive culture stage is only pure just passable with natural pond liquid and several chemical analysis.
After the technical program processing, the sewage that enters Ha Noi is through detecting biochemical oxygen demand (BOD)≤10mg/L, chemical oxygen demand (COD)≤30mg/L, suspended substance≤1mg/L, ammonia nitrogen≤5mg/L, total phosphorus≤0.5mg/L, fecal coliform≤0/ml, roundworm egg≤0/L, the emission standard of odor concentration zero dimension standard value 10 grades.From above-mentioned detection index as can be seen, emission standard by after the technical program processing is lower than the discharge index of national requirements fully, and can reaches the discharging of GB3838-2002 " water environment quality standard ", can also return livestock and poultry farm and use, form the benign cycle water.
Chlorella can breed out 2,4,8,16 individual geometry multiple in 20 hours, can finish one-period from being cultured to gather about 5 days thus.This is that any plant is all irreplaceable, show according to test-results, planting the one mu of required natural pond of food crop liquid measure is 10 tons, plant one mu vegetables year required natural pond liquid measure be 20 tons, planting the one mu of required natural pond of traditional fruit tree liquid measure is 15 tons, planting modern fruit tree year of one mu of new variety required natural pond liquid measure is 20 tons, breed one mu chlorella year required natural pond liquid measure be 1080 tons, therefore as can be known, breed one mu chlorella year required natural pond liquid measure be 108 times of food crop, be 54 times of vegetables, be 72 times of traditional fruit tree, be 54 times of modern fruit tree,, can solve the excessive and natural pond liquid sewage pollution problem of environment of ight soil of livestock and poultry farm effectively completely so be that any plant is irreplaceable with the fertilizer application amount of chlorella pollution treatment.
We can directly be stirred to the algae mud of gathering in the complete feed, and algae mud is 0 with the complete feed ratio: 1-2: 1 carries out anaerobically fermenting stores.Using method uses up in 30 days from stirring to begin in first day to feed, this time is all fresh, this method can be saved feed more than 1/4, livestock and poultry are delivered listing in advance for sale, algae mud and profitable strain fermentation becoming phycomycete nutritive medium, stir with complete feed then and feed livestock and poultry, mixing ratio is 0: 1-1: 10 carry out anaerobically fermenting stores.Using method uses until exhausted within 30 days from stirring to begin in first day to feed, and it is all fresh to stir thing in this time, and this method can be saved the feed percentage more than 20, improves immunizing power, reduces the ight soil stink, more effectively protects environment.
" chlorella " that the technical program is mentioned, Ministry of Agriculture approved chlorella are newly raised as new feedstuff and new feed additive lot number and add word [2002] No. 004.Chlorella (chlorella) is the fine powdery particle, and diameter is the coccoid unicell green alga of 3-8 micron.Nutritive substance that multiple animal such as rich in proteins, unsaturated fatty acids, VITAMIN, chlorophyll, β-Hu Luobusu, xenthophylls, trace element, polysaccharide, glycoprotein is required and elite, the most magical chlorella growth element (Chlorella Growth Factor) are called for short CGF.CGF mainly is made up of Yeast Nucleic Acid (RNA), DNA (deoxyribonucleic acid) (DNA), and their Nucleotide binding substancess after under digestion and the assimilation can produce " material of construction " of reparation animal health gene structure immediately.It is rich in the nucleic acid that can promote animal health, is a kind of natural immunity promotor of huge effect.
The chlorella somatotropin is rich in the nucleic acid that promotes animal and human's body health.CGF mainly is made up of ribonic acid (DNA) thymus nucleic acid (DNA) and amino acid, VITAMIN and not unconfirmed as yet abundant nucleic acid derivative.CGF produces to promote that chlorella grows up fast in violent photosynthesis, can make each cell of chlorella divide four new cells every 20 hours, and its biological activity is with firmly being not have other plant institute energy displaced on earth at present.The maximum value of chlorella is its somatotropin (CGF) composition.Its maximum characteristics of chlorella somatotropin can and microbiotic, antibiotic use simultaneously.The chlorella somatotropin at high temperature or do not influence its biological action composition under the granulation of splashing of feed.The reparation ratio that chlorella somatotropin (CGF) can improve the ratio of the quick growing of animal and increase destroyed cell tissue.Chlorella somatotropin (CGF) is to promote the muscle power of animal after vigorous exercise and disease to recover rapidly, promotes protein, its nutrition of enzyme RNA in zooblast nuclear of feed, dna content.Stimulate the reparation and the protection cell of destroyed cell tissue to avoid toxic substance erosive function.Chlorella somatotropin (CGF) can activate the animal body defence, the scavenger cell in the immuning tissue, and T cell and B cell play detoxifcation, Excretion to two mouthfuls of contaminate environment objectionable impuritiess of disliking the Ying Wei representative.Can promote beneficial microorganism propagation such as yeast, natto tooth born of the same parents bacillus, Bacillus subtilus, milk-acid bacteria, can make the milk-acid bacteria increment increase by 10 times than control group.Postponement along with the growth of animal time, the cell development is also slowly got off, nutrition intake efficient lowers, more toxic substances are detained in the cell, this causes animal body to increase disease, when their RNA and DNA is in good condition and using effectively, animal just can be taken in nutrition effectively, repels toxic substance and avoids sick.The chlorella somatotropin can be regulated animal and take in nutrition equilibrated function behind the feed, can make animal fully absorb feed nutrition, can reach the Animal nutrition equilibrium again, promotes healthyly to grow up fast.
The following stated is that the economic benefit of the technical scheme of this application for a patent for invention is analyzed.
(1) fixed capital input
It is that total amount of livestock for sale according to livestock and poultry animal decides that this pollution treatment drops into, the technical program on pig farm, Putian City Hanjiang District Anren, Fujian Province to have done pollution treatment and the performance analysis test of reclaiming comprehensive utilization.According to livestock culture industry pollutant discharge amount standard (GB/T18596-2001) 25kg above per day sewage effluent 30kg of pig (bath cleaning) and 15kg (doing clear excrement technology).This testing ground year is delivered 4000 of finished product pigs for sale, day enters sewage quantity so to be Because the technical program is to cultivate the chlorella pollution treatment with ecological method, take to need 5-7 days cycle from being seeded to, seven days the total amount of pollutants discharged in testing ground is: 40000kg/ day * 7 day=280000kg, carry out purifying treatment and give over to that to cultivate chlorella standby so total sewage quantity 280000kg of 7 days are entered a sterilization and disinfection pond, (this pond also be chlorella gather pond) specification is:
Brick mix structure: 15m * 15m * 1.5m=337.5m 3
Price: 337.5m 3* 50 yuan=16875 yuan
Floor space: 225m 2
Calculate according to the ratio of ecological chlorella culture method then, the good chlorella liquid of prescription is entered a cultivation pool breed chlorella, specification is:
Clay model structure: 50m * 50m * * 1.5m=3750m 3
Price: 3750m 3* 5 yuan=18750 yuan
Floor space: 2500m 2
(2) water, electric equipment input:
1. 1 ton of fermentor tank is controlled oneself and is processed 4,8000 yuan;
2. routine test instrument, 5000 yuan;
3. cultivate the chlorella agitator, 2000 yuan;
4. intake-discharge pipe, the pipe of gathering, 3000 yuan;
5. electrical equipment, 3000 yuan.Add up to: 56625 yuan.
(3) current assets input:
1. personnel 2 people, wherein technician 1 people;
2 people * 1300 yuan/people is monthly * and 12 months=31200 yuan
2. the short long agent of chlorella is calculated by 60 tons of chlorella concentrated solutions of monthly output: 800 yuan/monthly * 12 months=9600 yuan;
3. the chlorella agent of gathering: 1800 yuan/monthly * 12 months=21600 yuan;
4. water: 70,000 tons * 0.2 yuan=14000 yuan;
5.: * 360 days=4320 yuan of 4KW * 6 hour * 0.5 yuan/degree;
6. phycomycete kind: 1000 yuan/monthly * 12 months=12000 yuan;
7. the auxiliary material that ferments calculates by producing 700 tons of phycomycete nutritive mediums per year: 700 tons * 50 yuan/ton=35000 yuan;
Add up to: 99640 yuan.
(4) gross investment:
99640 yuan=156265 yuan in 56625 yuan+liquid assets of fixed capital;
(5) annual value of production:
Ten thousand yuan of A, 700 tons of phycomycete nutritive medium ÷ 3 (tiring) * 2000 yuan (feed ton price) ÷ 10000=46.6;
Ten thousand yuan of B, 700 tons of phycomycete nutritive medium * 4000 yuan/ton ÷ 10000=280.
(6) cost keeping:
1. wage: 31200 yuan;
2. the short long agent of chlorella: 9600 yuan;
3. the chlorella agent of gathering: 21600 yuan;
4. water: 14000 yuan;
5.: 4320 yuan;
6. phycomycete kind: 12000 yuan;
7. fermentation auxiliary material: 35000 yuan;
8. depreciation of equipment: 21000 yuan * 10%=2100 unit;
9. equipment repair takes: 21000 yuan * 3%=630 unit;
10. field lease rent: 2725m 2* 1 yuan/m 2=2725 yuan;
11. building depreciation funds: 35625 yuan * 6%=2137.5 unit,
Add up to: ten thousand yuan of 135312.5 yuan of ÷ 10000=13.53;
(7) profit: 46.6 ten thousand yuan-13.53 ten thousand yuan=33.07 ten thousand yuan.
Remarks: after returning livestock and poultry farm and use by pollution treatment and phycomycete nutritive medium, improve breeding environment and improve immunity, alternative medicine dosage, recycle-water recycles; Improve efficiency of feed utilization, deliver for sale in advance, save comprehensive benefits such as the wage and the interest on investment, this benefit excludes Economic and Efficiency Analysis.

Claims (9)

1. the method for plant's ecological management and recycling is characterized in that: comprise the steps:
Step 1: after producing biogas in the livestock and poultry farm, the mixture of natural pond slag and natural pond liquid is isolated natural pond slag and natural pond liquid through after centrifugal, and natural pond liquid gives over to the source of manure of cultivating chlorella through after sterilizing;
Step 2: after water filtered by existing filtration unit, as the water source of cultivating chlorella;
Step 3: select chlorella algae kind, and carry out the enlarged culturing chlorella, cultivate in the ratio of water, algae kind, fertilizer;
Step 4: chlorella algae kind, water and the natural pond liquid produced through above-mentioned three steps are placed into big area fish algae cultivation pool and carry out the fish algae and raise together with;
Step 5: detect and prevent and treat disease: gather when every milliliter of chlorella cells is 500 ten thousand left and right sides in cultivating chlorella algae liquid, calculate or use spectrophotometer with blood counting chamber;
Step 6: gather the chlorella algae liquid after detection prevents and treats disease, and reclaim the livestock and poultry farm utilization by the back primary water of gathering.
2. the method for plant as claimed in claim 1 ecological management and recycling is characterized in that: comprise step 7: take out chlorella algae mud the chlorella algae liquid after detection prevents and treats disease, return livestock and poultry farm behind the direct mix fodder of algae mud and feed livestock and poultry.
3. the method for plant as claimed in claim 1 ecological management and recycling, it is characterized in that: comprise step 7: take out chlorella algae mud the chlorella algae liquid after detection prevents and treats disease, inoculation fermentation is fed livestock and poultry after phycomycete nutritive medium that is fermented into and feed are puddled then.
4. the method for plant as claimed in claim 3 ecological management and recycling, it is characterized in that: the described phycomycete nutritive medium that is fermented into inserts that the centrifugal natural pond slag that goes out carries out anaerobically fermenting in the described step 1, make microbial fertilizer, perhaps the phycomycete nutritive medium adds into and carries out the biogas processing in the feces of livestock and poultry.
5. the method for plant as claimed in claim 1 ecological management and recycling is characterized in that: the step that comprises the chlorella intensive culture between step 4 and the step 5.
6. the method for plant as claimed in claim 5 ecological management and recycling, it is characterized in that: comprise step 7: take out chlorella algae mud the chlorella algae liquid after detection prevents and treats disease, to make algae powder after the algae mud spraying drying then, with algae powder processing health food.
7. the method for plant as claimed in claim 1 ecological management and recycling is characterized in that: be included in outdoor enlarged culturing chlorella in the described step 3, with white plastic tank as cultivating carrier, the provenance when giving over to big area and cultivating chlorella.
8. the method for plant as claimed in claim 1 ecological management and recycling is characterized in that: the breed pond that the fish algae is raised together with in the described step 4 comprises three constructional methods: brick mix structure, native pool structure or plastic mold structure.
9. the method for plant as claimed in claim 1 ecological management and recycling, it is characterized in that: gathering in the described step 6 adopts ecological percentage recovery to collect, or centrifugal percentage recovery or flocculation agent percentage recovery, at first build the cement pit of gathering, gather or extract nutrient solution out 1/3-2/3 and gather the chlorella nutrient solution is disposable, the remaining water that adds adds natural pond liquid and continues to cultivate again, and can gather once in 3-5 days.
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CN101824385A (en) * 2010-04-08 2010-09-08 集美大学 Method for cultivating chlorella with methane waste liquor
CN101955298B (en) * 2010-08-25 2013-04-17 东北农业大学 Treatment method of anaerobic digested liquid for livestock and poultry breeding pollutants
CN103194395B (en) * 2013-04-22 2014-06-04 山东省科学院能源研究所 Method for culturing microalgae by using biogas residues as raw materials
CN103693832A (en) * 2013-12-06 2014-04-02 张军东 Livestock waste biological treatment method and system
CN103637005A (en) * 2013-12-06 2014-03-19 张军东 Biological livestock feed production method and biological feed made by method
CN105733950A (en) * 2014-12-10 2016-07-06 中国农业大学 A method of collecting chlorella cultured in pig farm waste water
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CN104988106A (en) * 2015-08-14 2015-10-21 黄观铭 Method for culturing spirulina
CN105018348A (en) * 2015-08-14 2015-11-04 黄观铭 Spirulina culturing method based on staged feeding
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CN105541057B (en) * 2016-03-03 2018-04-24 上海海洋大学 A kind of method of pig farm biogas slurry recycling
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