CN104086238B - A kind of biogas residue organic fertilizer preparation method taking biological carbon as carrier - Google Patents
A kind of biogas residue organic fertilizer preparation method taking biological carbon as carrier Download PDFInfo
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- CN104086238B CN104086238B CN201410254165.1A CN201410254165A CN104086238B CN 104086238 B CN104086238 B CN 104086238B CN 201410254165 A CN201410254165 A CN 201410254165A CN 104086238 B CN104086238 B CN 104086238B
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- 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
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- 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
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Abstract
The invention discloses a kind of biogas residue organic fertilizer preparation method taking biological carbon as carrier, by the stalk of the natural pond slag fusion chopping after Separation of Solid and Liquid, after stirring, add plant ash or quick lime and carry out secondary fermentation, obtain natural pond slag tunning; By natural pond slag tunning and biological carbon blending, add adhesive; Through granulation dry, after obtain natural pond slag-biological carbon fertilizer. The present invention does not add chemical fertilizer, is a kind of pure fertilizer. The present invention can improve output and the quality of crops, reduces the negative effect of fertilizer to environment, and has very much benifit for the improvement of soil and the sustainable utilization in soil. The present invention utilizes water hyacinth to make the problem of outlet that biological carbon as fertilizer sources carrier contributes to solve water hyacinth; Utilize stalk for the auxiliary material a large amount of agricultural wastes of can dissolving that ferment. In addition in view of biological carbon has solid carbon effect, can reduce greenhouse gas emission, the exploitation of this product contribute to slow down greenhouse effects.
Description
Technical field
The invention belongs to technical field of agricultural fertilizers, particularly a kind of biogas residue organic fertilizer preparation method taking biological carbon as carrier.
Background technology
Since reform and opening-up, agricultural products in China increase of production amplitude is very large, and the contribution of chemical fertilizer is performed meritorious deeds never to be obliterated. But along with the time is long-pendingTired, the side effect of chemical fertilizer highlights day by day: chemical fertilizer causes soil compaction, affects the gas permeability of soil, and it is raw that chronic administration reduces soilForce of labor; The residue of chemical fertilizer is inestimable on the impact of environment, and for example nitrogenous fertilizer can be with the form long-term pollution underground water of nitrate,Unnecessary nitrogen and phosphorus fertilizer potash fertilizer causes body eutrophication along with rainfall runoff enters water body. In addition along with growth in the living standard,Broad masses like organic food, the crop of chemical fertilizer plantation, and its quality and organic food greatly differ from each other: nitrate content is high, dimensionRaw plain equal size is low, and mouthfeel is poor, long-term edible unfavorable to health. Therefore need developing ecology fertilizer badly.
The Chinese government widelys popularize biogas in decades, and rural biogas project popularity rate is higher, has produced a large amount of natural pond liquid, natural pond slag,If these natural pond liquid, natural pond slag can not get utilizing and processing fully, not only can affect the normal operation of biogas engineering, and can causeNew environmental pollution. Making fertilizer with natural pond slag is the good method that solves natural pond slag outlet. Natural pond slag nutritional labeling is complete: containThe full nitrogen of the organic matter of 30%～50% left and right, the detritus acid of 10%～20% left and right, 1%～2% left and right, the full phosphorus of 0.8% left and right,The full potassium of 1.2% left and right; And contain the trace elements such as boron, copper, zinc, be produce efficient (biology) compoiste fertilizer excellentGood basic material.
Biological carbon is that the product that incomplete thermal degradation obtains occurs living beings under certain condition. Biological carbon has for earth environmentMultiple benefit: the carbon in living beings is locked in biological carbon, thus carbon dioxide isothermal chamber gas purging amount reduced, haveHelp alleviate global warming; The biological carbon of function admirable can be applicable to the field such as sewage disposal, exhaust-gas treatment; Common lifeThing carbon can be used as soil conditioner, because its pore space structure is easy to assemble nutriment and beneficial microbe, can improve soil and containThe ability of supporting moisture and preserving nutrient, finally reaches the effect that increases crop yield and improvement soil. There are some researches prove southCharcoal in U.S. Amazon black earth earth can make soil fertility maintain century, and the soil there does not need ploughing and weeding to irrigate,Still very fertile. Plant roots and stems at present, the research that wood chip and stalk etc. is processed into biological carbon has been reported.
The domestic existing patent application that utilizes natural pond slag to manufacture fertilizer for raw material, for example: application number is that CN101423425 (combine by natural pond slagClose active bio-organic fertilizer and the method thereof of producing of utilizing), application number CN101774848A (biogas residue organic fertilizer and preparation method thereof),And application number CN101229982A (a kind of method of utilizing natural pond slag to produce mixed organic manure). Utilize biological carbon but all do not relate toManufacture the content of biogas residue organic fertilizer.
Chinese patent document CN101774848A is difficult to dehydrating and curing for natural pond slag and mechanical dehydration is dried the high problem of energy consumption, carriesGo out the technique of utilizing the spontaneous curing of shallow pond air-dry, in Zha Qian pond, natural pond, through aerobic secondary fermentation, air-dry, curing, reached the water of granulationDivide and physical property requirement; But the air-dry technique of shallow pond spontaneous curing of carrying needs the hardening time of 5-6 month, and this secondary fermentationMode efficiency is not high, likely makes fermentation not exclusively. In order to improve output, many natural ponds slag fertilize preparation craft has all been taked interpolationizationFertile way, as Chinese patent document CN101229982A (a kind of method of utilizing natural pond slag to produce mixed organic manure) andCN101774848A (biogas residue organic fertilizer and preparation method thereof); Although can obtain in a short time high yield like this, on long termsSoil is still had to negative effect. And, for the pollution-free food of production high-quality, added the natural pond slag fertilizer of chemical fertilizer stillSo unaccommodated.
Summary of the invention
Object of the present invention is just to provide a kind of biogas residue organic fertilizer preparation method taking biological carbon as carrier; This pure fertilizerTaking biological carbon as carrier, taking natural pond slag as primary raw material, auxiliary material is stalk, does not add any chemical fertilizer in manufacture process.
The present invention realizes by following technical step:
A biogas residue organic fertilizer preparation method taking biological carbon as carrier, by the stalk of the natural pond slag fusion chopping after Separation of Solid and Liquid, stirsAfter mixing evenly, add plant ash or quick lime and carry out secondary fermentation, obtain natural pond slag tunning; By natural pond slag tunning and biologyCarbon blending, adds adhesive; Dry to moisture and be less than 18% through granulation, after obtain natural pond slag-biological carbon fertilizer.
Described moisture content of straws is lower than 10%; Straw chopping degree is 3～6mm; Natural pond slag: stalk weight ratio is: 3:1～4:1;Mixture moisture content mass content after stirring is controlled at 55%～65%, adds plant ash or quick lime to regulate pH value to be7～7.3; Described secondary fermentation concrete steps are: within every 24 hours, ventilate 2～3 times, twice ventilation cell was every 8～12 hours, eachVentilation time is 2～3 minutes, and once, through more than 40 days, natural pond slag tunning outward appearance is dark brown, natural pond in turning in every 6～8 daysAfter becoming thoroughly decomposed, slag tunning completes secondary fermentation process.
In said method, described biological carbon is the biological carbon that the agricultural wastes such as water hyacinth biological carbon or stalk are made, particle diameterBe 5～10mm; The addition of biological carbon accounts for 10%～15% of natural pond slag tunning, biological carbon and adhesive gross weight.
In said method, described adhesive is attapulgite clay powder, and its addition accounts for natural pond slag tunning, biological carbon and adhesive1%～2% of gross weight.
Compared with prior art, tool of the present invention has the following advantages:
1. utilize biological carbon as fertilizer sources synergistic carrier (for the controlled-release material of fertilizer nutrient slow/controlled release), taking natural pond slag as primary raw materialPrepare fertilizer; Can improve output and the quality of crops, improvement soil also reduces the negative effect of fertilizer to environment.
2. utilize stalk for auxiliary material carries out secondary fermentation to natural pond slag, can reduce natural pond slag moisture content and improve gas permeability, contribute to reduce natural pondSlag dehydration cost, and be conducive to crops absorbing nutrient.
3. the present invention does not add chemical fertilizer, is a kind of pure fertilizer. The present invention can improve output and the quality of crops, subtractsThe negative effect of few fertilizer to environment, and have very much benifit for the improvement of soil and the sustainable utilization in soil.
4. the present invention has implemented the thought of twice laid and recycling economy: utilize water hyacinth to make biological carbon as fertilizer sources carrier and contribute toSolve the problem of outlet of water hyacinth; Utilize stalk for the auxiliary material a large amount of agricultural wastes of can dissolving that ferment.
5. in addition in view of biological carbon has solid carbon effect, can reduce greenhouse gas emission, the exploitation of this product contribute to slow down temperatureChamber effect.
Brief description of the drawings
Fig. 1 Technology Roadmap of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is done specifically to describe in detail further, but embodiments of the present invention are not limited to this,For not dated especially technological parameter, can carry out with reference to routine techniques.
Embodiment 1
As shown in Figure 1, in methane-generating pit, slag moisture in natural pond is 87%, is pumped into solid-liquid separating machine, through Separation of Solid and Liquid by shurry pumpNatural pond pulp water be divided into 55%. By the rice straw drying (moisture content is no more than 10%) chopping, chopping degree is 6mm. By natural pondSlag and stalk stir and evenly mix in the ratio of 3:1 (weight ratio), add plant ash to regulate pH to 7.1, and mixture composting is placed in greatlyCanopy, lays plastic foil on the ground, and by mixture, evenly on plastic foil, bottom is buried ventilation duct underground, with small blast fan air feed,Within every 24 hours, ventilate 3 times, twice ventilation cell was every 8 hours, and each ventilation time is 3 minutes. Turning in every 6～8 days once, through 40After it, obtain natural pond slag tunning, natural pond slag tunning outward appearance is dark brown, short texture. The outer natural air drying of dislocation booth is to containingWater rate is less than 35%, is ground into loose powdery with chain type pulverizer afterwards.
Natural pond slag tunning and water hyacinth biological carbon are dropped into abundant mixture in mixer, add attapulgite clay powder as adhesive,The addition of natural pond slag tunning, water hyacinth biological carbon, attapulgite clay powder is respectively 83%, 15%, and 2% (weight percentNumber). Material good mixture is dropped into extruding in Squeezinggranulator granulates. The cylindrical particle of extrusion molding is dropped in disk trimmer,Be spherical particle by particle shaping. Spherical particle is dropped in dryer, dry to moisture and be less than 18%, then be cooled to through coolerBelow 35 DEG C, above-mentioned cooled particle is sieved to rear packaging warehouse-in.
The method of above-mentioned water hyacinth biological carbon is prepared biological carbon: water hyacinth is excised to its root and leaf, and Qu Qi stem (whole stem),With water wash; Shred to 1cm, natural drying 6 days under sunlight, to moisture content 14.8%. Raw material after preliminary hydro-extraction is dropped into pipeFormula stove, before heating, is the nitrogen of 250cm3/min toward the interior logical 20 minutes gas speed of stove, and making in reacting furnace is oxygen-free environment. SetReaction temperature is 450 DEG C, be rapidly heated (within 8 minutes, reaching target temperature), and the time of isothermal reaction is subsequently 40 minutes, isothermal pyrolysisAfter completing, powered-down, the closed state of maintenance reacting furnace, cooling, obtains water hyacinth biological carbon (after being down to room temperature naturallyTake out) (particle diameter is 5～10mm).
The above-mentioned biogas residue organic fertilizer making, for planting tomato, has been done to 3 kinds and processed and contrast. The first processing: only executeWith chemical fertilizer (urea+calcium superphosphate+potassium sulfate), amount of application 60kg/ mu; The second processing: only use the made natural pond slag of this law to haveMachine fertilizer, amount of application 150kg/ mu; The third processing: use chemical fertilizer (urea+calcium superphosphate+potassium sulfate)+biogas residue organic fertilizer,Amount of application is chemical fertilizer 30kg/ mu, fertilizer 80kg/ mu). The results are shown in following table, from following table, though use biological carbon fertilizerSo output is a little less than chemical fertilizer, but quality significantly improves, and shows nitrate content lower (lower by 34% than using separately chemical fertilizer), dimensionRaw plain C (Vc) content higher (higher by 51% than using separately chemical fertilizer); The more important thing is that the soil organism improves (using after 1 year).Take into account again quality if should devote exclusive attention to output, can adopt the pattern of ' biogas residue organic fertilizer+chemical fertilizer ' (higher than using separately chemical fertilizer14%). The effect of biological carbon improvement soil clearly on long terms.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not to enforcement of the present inventionThe restriction of mode. For those of ordinary skill in the field, can also make on the basis of the above description other differenceThe variation of form or variation. Here without also giving exhaustive to all embodiments. All in the spirit and principles in the present inventionWithin do any amendment, be equal to and replace and improvement etc., within all should being included in the protection domain of the claims in the present invention.
Claims (4)
1. the biogas residue organic fertilizer preparation method taking biological carbon as carrier, is characterized in that: by the stalk of the natural pond slag fusion chopping after Separation of Solid and Liquid, after stirring, add plant ash or quick lime and carry out secondary fermentation, obtain natural pond slag tunning; By natural pond slag tunning and biological carbon blending, add adhesive; Through granulation dry, after obtain natural pond slag-biological carbon fertilizer;
Described secondary fermentation concrete steps are: within every 24 hours, ventilate 2 ~ 3 times, twice ventilation cell was every 8 ~ 12 hours, and each ventilation time is 2 ~ 3 minutes, turning in every 6 ~ 8 days once, through more than 40 days, natural pond slag tunning outward appearance is dark brown, after natural pond slag tunning becomes thoroughly decomposed, completes secondary fermentation process; Described biological carbon is water hyacinth biological carbon, and particle diameter is 5 ~ 10mm.
2. the biogas residue organic fertilizer preparation method taking biological carbon as carrier as claimed in claim 1, is characterized in that: described moisture content of straws is lower than 10%; Straw chopping degree is 3 ~ 6mm; Natural pond slag: stalk weight ratio is: 3:1 ~ 4:1; Mixture water content after stirring is controlled at 55% ~ 65%, and adding plant ash or quick lime to regulate pH value is 7 ~ 7.3; .
3. the biogas residue organic fertilizer preparation method taking biological carbon as carrier as claimed in claim 1, is characterized in that: the addition of described biological carbon accounts for 10% ~ 15% of natural pond slag tunning, biological carbon and adhesive gross weight.
4. the biogas residue organic fertilizer preparation method taking biological carbon as carrier as claimed in claim 1, is characterized in that: described adhesive is attapulgite clay powder, its addition accounts for 1% ~ 2% of natural pond slag tunning, biological carbon and adhesive gross weight.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104292051A (en) * | 2014-10-15 | 2015-01-21 | 合肥江氏农业科技有限公司 | Coated fertilizer for high-efficiency high-quality yield increase of blueberry and preparation method thereof |
| CN104355919A (en) * | 2014-10-17 | 2015-02-18 | 贵阳学院 | Botanical insecticidal bio-fertilizer |
| CN104311321A (en) * | 2014-10-17 | 2015-01-28 | 贵阳学院 | Nuisanceless insecticidal organic fertilizer |
| CN104591905A (en) * | 2015-02-04 | 2015-05-06 | 河南省高新技术实业总公司 | Biological organic fertilizer |
| CN105621800A (en) * | 2016-01-14 | 2016-06-01 | 邹伟龙 | Process for comprehensively recycling sewage |
| CN106134563A (en) * | 2016-07-13 | 2016-11-23 | 南京林业大学 | A kind of modification method of artificial forest soil quality |
| CN106542938A (en) * | 2017-01-20 | 2017-03-29 | 农业部规划设计研究院 | A kind of charcoal base biogas residue organic fertilizer and preparation method thereof |
| CN107032855A (en) * | 2017-05-31 | 2017-08-11 | 安徽永志环能科技有限公司 | The method that organic fertilizer is prepared using livestock manure fermented biogas residue |
| KR102018188B1 (en) * | 2019-05-03 | 2019-11-04 | 주식회사 원진 | Hybrid biochar and method of preparing for the same |
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Patent Citations (5)
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| CN1872810A (en) * | 2006-06-09 | 2006-12-06 | 高健浩 | Organic fertilizer with weeding function, and preparation method |
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