CN106316485A - New method for harmless treatment of livestock feces - Google Patents
New method for harmless treatment of livestock feces Download PDFInfo
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- CN106316485A CN106316485A CN201610690863.5A CN201610690863A CN106316485A CN 106316485 A CN106316485 A CN 106316485A CN 201610690863 A CN201610690863 A CN 201610690863A CN 106316485 A CN106316485 A CN 106316485A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention discloses a new method for harmless treatment of livestock feces. By the method, biogas anaerobic fermentation is performed on the livestock feces first and then a solid-liquid coexistent two-step fermentation process is performed on the livestock feces to prepare an efficient organic biofertilizer, so that feces in a pig farm is efficiently treated and up-to-standard discharge and high-value comprehensive utilization are achieved. The method has the advantages as follows: 1, recycle of the livestock feces in the pig farm is achieved, a recycling industrial chain of farming, feces, biogas, an organic fertilizer and planting is formed, and a huge demonstrating role and a significant leading role are played in aspects of structural adjustment, quality improvement and efficiency increase of agriculture and animal husbandry industries; 2, high-temperature industrial waste liquid generated during agricultural product processing is innovatively used for heating fermenting raw materials, so that warm fermentation in a biogas project is guaranteed, the first industry, the second industry and the third industry are integrated together, and thus a typical demonstrating role in modern circular economy is played; 3, the method adopts the solid-liquid coexistent two-step fermentation process, so that a separate control way in the conventional treatment process is reduced, the treatment cost is reduced and the efficacy of a product is improved.
Description
Technical field
The present invention relates to a kind of cultivation excrement dirt innoxious governance new method, belong to environment protection treating technical field.
Background technology
Along with socioeconomic development and structural readjustment of rural industry optimization, pig-breeding industry is fast-developing, scale, collection
Reduction pig-breeding scale constantly expands, and progressively instead of the decentralized cultivation of traditional type, it has also become the certainty of animal husbandry development
Trend.In recent years, China's poultry industry development is swift and violent, and pig-breeding had become the important channel of growth of agricultural efficiency, increasing peasant income already.But
Along with the development of animal husbandry, a large amount of cultivation feces to environment cause pollution, cultivation feces and sewage with to the pollution of environment and
The impact that himself sustainable development is brought, it has also become the principal element that restricting current pig-breeding industry develops in a healthy way, the most right
The safety of livestock products constitutes a threat to, pollution administration, protects and improves the ecological environment, and promotes livestock and poultry breeding industry sustainable development,
Become the task of top priority of new century agricultural environmental protection.Owing to piggery waste waste water containing substantial amounts of SS, COD, ammonia nitrogen, total phosphorus, it
Be pollutant, be also a kind of manure resources, it dealt carefully with and not only can eliminate its pollution to environment, again can be real
Now turn waste into wealth.
Current domestic piggery waste waste water mainly uses anaerobic methane production aerobic treatment Waste Water Treatment and excrement slag
Hot fermentation compositing system.Typical large-scale pig farm excrement stain disease processes process route to be had: excrement dirt grid → solid-liquid separation →
Methane-generating pit → preliminary sedimentation tank (or flotation tank) → A/A/O pond → second pond → discharge.Due to piggery waste SS, COD, ammonia nitrogen, total phosphorus
Content is high, utilizes above-mentioned process process route, and its draining water quality is often difficult to meet the People's Republic of China's " livestock and poultry breeding industry
Pollutant emission standard " (GB18596-2001), especially draining colourity is the highest.For improving displacement mass further,
The waste water processing station on many pig farms, often after the second pond after biochemical treatment, then can add that " coagulation treatment one inclined tube sinks
Form sediment " processing unit.There is following several respects problem in this: one is that the waste water entering methane-generating pit is with substantial amounts of in actual applications
SS, causes methane-generating pit sediment and silts up, making effective volume be greatly reduced, in addition waste water hydraulic detention time in methane-generating pit
(HRT) generally the shortest (about 3-5d), make biogas slurry SS and COD the highest, and the preliminary sedimentation tank that biogas slurry enters immediately after rises at all
Less than precipitation.Therefore, the load entering subsequent biochemical process is the highest.Two be biogas residue, subsequent biochemical process in secondary sludge,
Cannot be effectively addressed with chemical sludge (producing in tube settler), can affect whole when these mud can not be cleared up in time
Water treatment efficiency, makes whole water processing establishment not play one's part to the full.Orchid is owing to biogas slurry water quality can not reach later stage biochemistry
Intake design water quality, routine biochemistry also needs to the techniques such as dosing coagulation after processing, causes process route long, and time length (needs 15-
20 days), processing cost is high.In sum, there are the following problems for the process technique of existing piggery waste waste water: processes the cycle
Length, poor processing effect (COD, ammonia nitrogen exceed standard, and colourity is deep), processing cost height, resource degree are the highest.Therefore, exploitation one is needed badly
Plant the new method of cultivation excrement dirt innoxious governance.
Summary of the invention
For the deficiency of existing pig-breeding excrement dirt innoxious governance technology, the present invention provides a kind of cultivation excrement dirt innoxious
Administer new method, it is possible to efficiently process pig breeding farm excrement dirty, effectively solve environmental protection hidden danger that cultivation excrement dirt brings, and become give up into
Precious, it is achieved high-valued comprehensive utilization of resources, advance the Green Sustainable of pig-breeding industry.
Above-mentioned purpose of the present invention is achieved by the following technical programs:
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, it is characterised in that cultivation excrement dirt is first carried out biogas anaerobic
Fermentation, then carries out solid-liquid formula two-step fermentation technique and is prepared as efficient biologic-organic fertilizer.
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, it is characterised in that described anaerobic fermentation material proportion
For pig manure 250 parts, sewage of farm 800 parts, hot industry waste liquid 500 parts.
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, it is characterised in that the technique that anaerobic fermentation uses is
EGST full mixed material mesophilic digestion technique.
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, it is characterised in that described process technique include with
Lower step:
(1) batch mixing: pig manure and sewage of farm are mixed in proportion；
(2) allotment: regulation tank in hot industry waste liquid is allocated with mixed material, make material heat to 40 DEG C with
On；
(3) regulation pH: the pH of regulation fermentation liquid is 6.8～7.2；
(4) EGST temperature control anaerobic fermentation: the material pump after regulation pH is squeezed into EGST anaerobic reactor, inoculates biogas engineering bacterium
Kind, inoculum concentration is the 3～5% of quality of material ratio, and temperature controlled fermentation should be continuously stirred in sweat, and ensures the pH in reactor
Between 6.8～7.2, collect biogas；
(5) biogas residue and biogas liquid is collected: after fermentation ends, collect biogas residue and biogas slurry；
(6) fermenting agent is prepared: take 8～10 parts of zeolites, 3～5 portions of dalcium biphosphates, 6～8 portions of fermented bean cake, 10～15 portions of rice
Bran, 10～15 parts of Semen Maydis powder, 3～5 parts of rapeseed cakes, 10～15 parts of wheat brans, 2～3 parts of EM microbial inoculums, 1～2 part of cold rnning sugar spore bar
Bacterium, 1～2 part of nitrobacteria, 1～2 part of Bacillus licheniformis, 1～2 part of actinomycetes, mixing and stirring；Then with containing 2% sugar
Moisture is adjusted to 35～40% by the aqueous solution of honey, and at 25 DEG C～30 DEG C, anaerobic fermentation cultivates 3～5d；
(7) solid-liquid formula aerobic fermentation: addition 3～5% fermenting agent in the hybrid biogas residue and biogas liquid that step (5) is collected,
Temperature controlled fermentation 3～5d under ventilation condition, fermentation temperature controls at 28～35 DEG C；Fermentation mode uses solid-liquid formula, upper liquid
Body stirs, and lower floor's solid stirs once every 6h；
(8) solid-liquid formula anaerobic fermentation: aerobic fermentation terminate follow-up continued access kind 2～3% streptococcus thermophilus, 1～2%EM microbial inoculum, 1
～2% Lactobacillus plantarum, anaerobic fermentation 2～3d under the conditions of 28～32 DEG C；
(9) solid-liquid separation: carry out solid-liquid separation after anaerobic fermentation；
(10) prepare biological organic fertilizer: the solid content after step (9) being separated is dried, prepare biological organic fertilizer；
(11) Liquid Fertilizer is prepared: the liquid after step (9) being separated filters and prepares liquid fertilizer.
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, it is characterised in that EGST anaerobic reaction is to send out continuously
Ferment, 20～30 days again material lagging time.
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, it is characterised in that EGST retort volume is 3000
～8000m3/.
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, it is characterised in that winter is without carrying out exogenous adding
Heat.
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, it is characterised in that anaerobic fermentation temperature controls 35
～40 DEG C.
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, after described hot industry waste liquid is alcohol distillation
High temperature waste liquid, temperature is 70～80 DEG C.
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, it is characterised in that the biogas residue after described anaerobic fermentation
Biogas slurry does not carry out solid-liquid separation.
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, and anaerobic reaction produces methane-generating pit appearance factor of created gase and reaches
1.2m/m d, far above the regulation of " big-and-middle-sized methane engineering technology specification " (GB/T51063)；Excrement dirt after process achieves
Fertilizer Transformed complete utilization, fertilizer product index meets industry relevant regulations, and Liquid Fertilizer meets China's " livestock and poultry breeding industry pollutant emission
Standard " requirement of (GB18596-2001).
The present invention provides a kind of cultivation excrement dirt innoxious governance new method, it is advantageous that: one is to achieve pig-breeding
The circulationization recycling that excrement is dirty, forms the circulation industrial chain of " cultivation-excrement dirt-biogas-fertilizer-plantation ", it is achieved resources circulation
Utilize, environmental protection zero-emission, utilize excrement dirt to produce biogas, it is achieved breeding waste zero-emission, prepare biological organic fertilizer and liquid simultaneously
Body is fertile as organic fertilizer also field, reduces chemical fertilizer, the use of pesticide, and boosting cultivation, the Green Sustainable of plantation, to agriculture and animal husbandry
Huge exemplary role and significant induced effect are played in the adjustment of the industrial structure and upgrading potentiation；Two be novelty by agricultural production
The hot industry waste liquid that product processing produces, for fermentation raw material temperature raising, had both ensured biogas engineering mesophilic digestion, again by 1
Industrial Convergence together, is the demoncal ration of modern recycling economy.Under these process conditions, economic benefit increase by more than 35%, and
Achieve the sustainable production of biogas.Three is that the present invention uses solid-liquid formula two-step fermentation technique, decreases and processes technique in the past
Separately administration way, reduce processing cost, improve effect of product, practice result shows that the biology using the present invention has
Machine is fertile and Liquid Fertilizer is compared for Bohai Sea silo engineering wheat planting, the bio-organic fertilizer prepared compared with the dirty existing Technology of excrement
Output increased 32.4%, significant difference is notable (P < 0.01).
Detailed description of the invention
Embodiment 1:
A kind of cultivation excrement dirt innoxious governance new method, processes technique and comprises the following steps:
(1) batch mixing: by pig manure and sewage of farm in pig manure 250 parts, 800 parts of ratio mix homogeneously of sewage of farm；
(2) allotment: in regulation tank, hot industry waste liquid and mixed material are allocated in 500 parts: 1050 parts of ratios,
Material is made to heat to more than 40 DEG C；
(3) regulation pH: the pH of regulation fermentation liquid is 6.8～7.2；
(4) EGST temperature control anaerobic fermentation: the material pump after regulation pH is squeezed into EGST anaerobic reactor, inoculates biogas engineering bacterium
Kind, inoculum concentration is the 3～5% of quality of material ratio, and temperature controlled fermentation should be continuously stirred in sweat, and ensures the pH in reactor
Between 6.8～7.2, collect biogas；
(5) biogas residue and biogas liquid is collected: after fermentation ends, collect biogas residue and biogas slurry；
(6) prepare fermenting agent: take 10 parts of zeolites, 3 parts of dalcium biphosphates, 8 parts of fermented bean cake, 10 parts of Testa oryzaes, 15 parts of Semen Maydis powder,
3 parts of rapeseed cakes, 15 parts of wheat brans, 3 portions of EM microbial inoculums, 2 parts of cold rnning sugar bacillus cereuss, 2 parts of nitrobacterias, 2 parts of Bacillus licheniformis, 2
Part actinomycetes, mixing and stirring；Then with the aqueous solution containing 2% molasses moisture is adjusted to 35～40%, 25 DEG C～30 DEG C
Lower anaerobic fermentation cultivates 3d；
(7) solid-liquid formula aerobic fermentation: add 5% fermenting agent in the hybrid biogas residue and biogas liquid that step (5) is collected, logical
Temperature controlled fermentation 3d under the conditions of wind, fermentation temperature controls at 28～35 DEG C；Fermentation mode uses solid-liquid formula, and supernatant liquid stirs
Mixing, lower floor's solid stirs once every 6h；
(8) solid-liquid formula anaerobic fermentation: aerobic fermentation terminates follow-up continued access kind 3% streptococcus thermophilus, 2%EM microbial inoculum, 2% plant
Lactobacillus, anaerobic fermentation 2d under the conditions of 28～32 DEG C；
(9) solid-liquid separation: carry out solid-liquid separation after anaerobic fermentation；
(10) prepare biological organic fertilizer: the solid content after step (9) being separated is dried, prepare biological organic fertilizer；
(11) Liquid Fertilizer is prepared: the liquid after step (9) being separated filters and prepares liquid fertilizer.
Embodiment 2:
A kind of cultivation excrement dirt innoxious governance new method, processes technique and comprises the following steps:
(1) batch mixing: by pig manure and sewage of farm in pig manure 250 parts, 800 parts of ratio mix homogeneously of sewage of farm；
(2) allotment: in regulation tank, hot industry waste liquid and mixed material are allocated in 500 parts: 1050 parts of ratios,
Material is made to heat to more than 40 DEG C；
(3) regulation pH: the pH of regulation fermentation liquid is 6.8～7.2；
(4) EGST temperature control anaerobic fermentation: the material pump after regulation pH is squeezed into EGST anaerobic reactor, inoculates biogas engineering bacterium
Kind, inoculum concentration is the 3～5% of quality of material ratio, and temperature controlled fermentation should be continuously stirred in sweat, and ensures the pH in reactor
Between 6.8～7.2, collect biogas；
(5) biogas residue and biogas liquid is collected: after fermentation ends, collect biogas residue and biogas slurry；
(6) prepare fermenting agent: take 8 parts of zeolites, 5 parts of dalcium biphosphates, 6 parts of fermented bean cake, 15 parts of Testa oryzaes, 10 parts of Semen Maydis powder, 5
Part rapeseed cake, 10 parts of wheat brans, 2 portions of EM microbial inoculums, 1 part of cold rnning sugar bacillus cereus, 1 part of nitrobacteria, 1 part of Bacillus licheniformis, 1 part
Actinomycetes, mixing and stirring；Then with the aqueous solution containing 2% molasses, moisture is adjusted to 35～40%, at 25 DEG C～30 DEG C
Anaerobic fermentation cultivates 5d；
(7) solid-liquid formula aerobic fermentation: add 3% fermenting agent in the hybrid biogas residue and biogas liquid that step (5) is collected, logical
Temperature controlled fermentation 5d under the conditions of wind, fermentation temperature controls at 28～35 DEG C；Fermentation mode uses solid-liquid formula, and supernatant liquid stirs
Mixing, lower floor's solid stirs once every 6h；
(8) solid-liquid formula anaerobic fermentation: aerobic fermentation terminates follow-up continued access kind 2% streptococcus thermophilus, 1%EM microbial inoculum, 1% plant
Lactobacillus, anaerobic fermentation 3d under the conditions of 28～32 DEG C；
(9) solid-liquid separation: carry out solid-liquid separation after anaerobic fermentation；
(10) prepare biological organic fertilizer: the solid content after step (9) being separated is dried, prepare biological organic fertilizer；
(11) Liquid Fertilizer is prepared: the liquid after step (9) being separated filters and prepares liquid fertilizer.
Embodiment 3:
A kind of cultivation excrement dirt innoxious governance new method, processes technique and comprises the following steps:
(1) batch mixing: by pig manure and sewage of farm in pig manure 250 parts, 800 parts of ratio mix homogeneously of sewage of farm；
(2) allotment: in regulation tank, hot industry waste liquid and mixed material are allocated in 500 parts: 1050 parts of ratios,
Material is made to heat to more than 40 DEG C；
(3) regulation pH: the pH of regulation fermentation liquid is 6.8～7.2；
(4) EGST temperature control anaerobic fermentation: the material pump after regulation pH is squeezed into EGST anaerobic reactor, inoculates biogas engineering bacterium
Kind, inoculum concentration is the 3～5% of quality of material ratio, and temperature controlled fermentation should be continuously stirred in sweat, and ensures the pH in reactor
Between 6.8～7.2, collect biogas；
(5) biogas residue and biogas liquid is collected: after fermentation ends, collect biogas residue and biogas slurry；
(6) prepare fermenting agent: take 9 parts of zeolites, 4 parts of dalcium biphosphates, 7 parts of fermented bean cake, 12 parts of Testa oryzaes, 13 parts of Semen Maydis powder, 4
Part rapeseed cake, 12 parts of wheat brans, 2.5 parts of EM microbial inoculums, 1.5 parts of cold rnning sugar bacillus cereuss, 1.5 parts of nitrobacterias, 1.5 parts of lichens spore
Bacillus, 1.5 parts of actinomycetes, mixing and stirring；Then with the aqueous solution containing 2% molasses, moisture is adjusted to 35～40%, 25
DEG C～30 DEG C at anaerobic fermentation cultivate 4d；
(7) solid-liquid formula aerobic fermentation: add 4% fermenting agent in the hybrid biogas residue and biogas liquid that step (5) is collected, logical
Temperature controlled fermentation 4d under the conditions of wind, fermentation temperature controls at 28～35 DEG C；Fermentation mode uses solid-liquid formula, and supernatant liquid stirs
Mixing, lower floor's solid stirs once every 6h；
(8) solid-liquid formula anaerobic fermentation: aerobic fermentation terminate follow-up continued access kind 2.5% streptococcus thermophilus, 1.5%EM microbial inoculum,
1.5% Lactobacillus plantarum, anaerobic fermentation 2.5d under the conditions of 28～32 DEG C；
(9) solid-liquid separation: carry out solid-liquid separation after anaerobic fermentation；
(10) prepare biological organic fertilizer: the solid content after step (9) being separated is dried, prepare biological organic fertilizer；
(11) Liquid Fertilizer is prepared: the liquid after step (9) being separated filters and prepares liquid fertilizer.
Above example is merely to illustrate technical scheme, rather than is limited；Although with reference to aforementioned reality
Execute example to be described in detail by invention, but for the person of ordinary skill of the art, still can be to aforementioned reality
Execute the technical scheme described in example to modify, or wherein portion of techniques feature is carried out equivalent；And these are revised
Or replace, do not make the essence of appropriate technical solution depart from the spirit and scope of claimed technical solution of the invention.
Claims (10)
1. a cultivation excrement dirt innoxious governance new method, it is characterised in that cultivation excrement dirt is first carried out biogas anaerobic fermentation, so
After carry out solid-liquid formula two-step fermentation technique and be prepared as efficient biologic-organic fertilizer.
A kind of cultivation excrement dirt innoxious governance new method the most according to claim 1, it is characterised in that described anaerobic fermentation
Material proportion is pig manure 250 parts, sewage of farm 800 parts, hot industry waste liquid 500 parts.
A kind of cultivation excrement dirt innoxious governance new method the most according to claim 1, it is characterised in that anaerobic fermentation uses
Technique be EGST full mixed material mesophilic digestion technique.
A kind of cultivation excrement dirt innoxious governance new method the most according to claim 1, it is characterised in that described place's science and engineering
Skill comprises the following steps:
(1) batch mixing: pig manure and sewage of farm are mixed in proportion；
(2) allotment: regulation tank in hot industry waste liquid is allocated with mixed material, make material heat to 40 DEG C with
On；
(3) regulation pH: the pH of regulation fermentation liquid is 6.8～7.2；
(4) EGST temperature control anaerobic fermentation: the material pump after regulation pH is squeezed into EGST anaerobic reactor, inoculates biogas engineering bacterium
Kind, inoculum concentration is the 3～5% of quality of material ratio, and temperature controlled fermentation should be continuously stirred in sweat, and ensures the pH in reactor
Between 6.8～7.2, collect biogas；
(5) biogas residue and biogas liquid is collected: after fermentation ends, collect biogas residue and biogas slurry；
(6) fermenting agent is prepared: take 8～10 parts of zeolites, 3～5 portions of dalcium biphosphates, 6～8 portions of fermented bean cake, 10～15 portions of rice
Bran, 10～15 parts of Semen Maydis powder, 3～5 parts of rapeseed cakes, 10～15 parts of wheat brans, 2～3 parts of EM microbial inoculums, 1～2 part of cold rnning sugar spore bar
Bacterium, 1～2 part of nitrobacteria, 1～2 part of Bacillus licheniformis, 1～2 part of actinomycetes, mixing and stirring；Then with containing 2% sugar
Moisture is adjusted to 35～40% by the aqueous solution of honey, and at 25 DEG C～30 DEG C, anaerobic fermentation cultivates 3～5d；
(7) solid-liquid formula aerobic fermentation: addition 3～5% fermenting agent in the hybrid biogas residue and biogas liquid that step (5) is collected,
Temperature controlled fermentation 3～5d under ventilation condition, fermentation temperature controls at 28～35 DEG C；Fermentation mode uses solid-liquid formula, upper liquid
Body stirs, and lower floor's solid stirs once every 6h；
(8) solid-liquid formula anaerobic fermentation: aerobic fermentation terminate follow-up continued access kind 2～3% streptococcus thermophilus, 1～2%EM microbial inoculum, 1
～2% Lactobacillus plantarum, anaerobic fermentation 2～3d under the conditions of 28～32 DEG C；
(9) solid-liquid separation: carry out solid-liquid separation after anaerobic fermentation；
(10) prepare biological organic fertilizer: the solid content after step (9) being separated is dried, prepare biological organic fertilizer；
(11) Liquid Fertilizer is prepared: the liquid after step (9) being separated filters and prepares liquid fertilizer.
A kind of cultivation excrement dirt innoxious governance new method the most according to claim 1, it is characterised in that EGST anaerobic reaction
For continuous fermentation, 20～30 days again material lagging time.
A kind of cultivation excrement dirt innoxious governance new method the most according to claim 1, it is characterised in that EGST reacting tank body
Amass is 3000～8000m3/.
A kind of cultivation excrement dirt innoxious governance new method the most according to claim 1, it is characterised in that winter is without carrying out
Exogenous heating.
A kind of cultivation excrement dirt innoxious governance new method the most according to claim 1, it is characterised in that anaerobic fermentation temperature
Control at 35～40 DEG C.
A kind of cultivation excrement dirt innoxious governance new method the most according to claim 1, described hot industry waste liquid is ethanol
High temperature waste liquid after distillation, temperature is 70～80 DEG C.
A kind of cultivation excrement dirt innoxious governance new method the most according to claim 1, it is characterised in that described anaerobic fermentation
After biogas residue and biogas liquid do not carry out solid-liquid separation.
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Cited By (9)
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|---|---|---|---|---|
| CN108117419A (en) * | 2018-01-02 | 2018-06-05 | 年春峡 | The technique that medium and small farm's fecaluria, waste water harmless treatment are converted into biological organic fertilizer |
| CN108395293A (en) * | 2018-03-12 | 2018-08-14 | 修武伊赛肉牛养殖有限公司 | A kind of processing method of Thermophilic Bacteria fermented cow dung |
| CN108934848A (en) * | 2018-06-25 | 2018-12-07 | 上海新农饲料股份有限公司 | A kind of large-scale pig farm sewage water treatment method |
| CN108976060A (en) * | 2018-10-10 | 2018-12-11 | 徽县绿源科技开发有限责任公司 | A kind of water soluble fertilizer processed using Wastewater from Pig Farm |
| CN110272843A (en) * | 2019-07-01 | 2019-09-24 | 温州科技职业学院 | It is a kind of for handling the composite bacteria agent and method of piggery waste water |
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| CN112794739A (en) * | 2021-01-08 | 2021-05-14 | 中国科学院亚热带农业生态研究所 | Device for preparing bio-organic fertilizer from excrement and urine dirt of small and medium-sized pig farms and application of device |
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| CN108395293A (en) * | 2018-03-12 | 2018-08-14 | 修武伊赛肉牛养殖有限公司 | A kind of processing method of Thermophilic Bacteria fermented cow dung |
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| CN108976060A (en) * | 2018-10-10 | 2018-12-11 | 徽县绿源科技开发有限责任公司 | A kind of water soluble fertilizer processed using Wastewater from Pig Farm |
| CN110272843A (en) * | 2019-07-01 | 2019-09-24 | 温州科技职业学院 | It is a kind of for handling the composite bacteria agent and method of piggery waste water |
| CN111704335A (en) * | 2020-06-30 | 2020-09-25 | 福建省农业科学院畜牧兽医研究所 | Zero-emission mode cultivation waste treatment system and working method |
| CN111875195A (en) * | 2020-07-13 | 2020-11-03 | 广西大学 | Pig manure biological treatment process and utilization method |
| CN112778030A (en) * | 2021-01-08 | 2021-05-11 | 上海泰缘生物科技股份有限公司 | Harmless treatment method for biogas slurry and biogas residues in farm |
| CN112794739A (en) * | 2021-01-08 | 2021-05-14 | 中国科学院亚热带农业生态研究所 | Device for preparing bio-organic fertilizer from excrement and urine dirt of small and medium-sized pig farms and application of device |
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