CN113979794A - Biogas residue organic fertilizer formula for promoting efficient and rapid growth of tung trees - Google Patents
Biogas residue organic fertilizer formula for promoting efficient and rapid growth of tung trees Download PDFInfo
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- CN113979794A CN113979794A CN202111131338.7A CN202111131338A CN113979794A CN 113979794 A CN113979794 A CN 113979794A CN 202111131338 A CN202111131338 A CN 202111131338A CN 113979794 A CN113979794 A CN 113979794A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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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
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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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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- Tropical Medicine & Parasitology (AREA)
- Pest Control & Pesticides (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a biogas residue organic fertilizer formula for promoting efficient and rapid growth of tung trees. Adjusting and dehydrating the biogas residues to ensure that the mass ratio of carbon to nitrogen in the biogas residues is 25-30: 1 and the particle size is 10-30 mm; drying and grinding soil at root hair of wild elaeoscope elaeagnus mollis plants to be used as a parent fertilizer matrix material; preparing sucrose solution, rice bran, tea oil cake, soybean meal and yeast powder into fermentation powder; the primarily prepared materials (with the water content of 60-70%) are piled into strips for fermentation, the pile height is not more than 80cm, the bottom width is about 500-800 cm, the fermentation temperature is 60-70 ℃, the fermentation lasts for 15-20 days, and the materials are turned and thrown every 2-3 days. Keeping the fermented materials at 40-50 ℃ for 10-12 days, and turning and throwing the fermented materials once every 2-3 days to obtain compost rotten materials; adding appropriate amount of nitrogenous fertilizer, phosphate fertilizer and potash fertilizer into the biogas residue organic fertilizer to N, P2O5、K2The content ratio of O and other substances containing organic matters is 5 percent to 4 percent to 6 percent to 85 percent, and the organic fertilizer is obtained; the biogas fertilizer can be processed into a commercial organic fertilizer with the grain diameter of 3-5 mm.
Description
Technical Field
The invention relates to the technical field of organic fertilizer production, in particular to a biogas residue organic fertilizer special for tung trees, which accords with the nutrient structure and absorption characteristics of the tung trees.
Background
The fertilizer occupies a very important position in agricultural production, the fertilizer consumption is increased along with the development of agriculture, but because some unreasonable factors exist in the use process, the effect of the fertilizer is not effectively exerted, the fertilizer distribution area is unbalanced and serious in waste, the soil fertility is reduced, the fertilizer utilization rate is reduced, the fertilizer which is not absorbed and utilized by crops after being applied enters the environment in a large amount, the environment is polluted, the ecological environment is damaged, not only is the land resource damaged, but also the human health is threatened.
Tung oil is an important industrial oil, is used for manufacturing paints and coatings, and has particularly high economic value. The yellow color is excellent dry oil, is glossy, cannot be eaten, and has the characteristics of water impermeability, air impermeability, no electricity transmission, acid and alkali resistance, corrosion resistance, cold and heat resistance and the like. It is widely used in the manufacturing industries of paint, plastics, electric appliances, artificial rubber, artificial leather, artificial gasoline, printing ink and the like.
In order to improve the yield of the tung tree, patent No. 2013101204764 discloses a special fertilizer for young tung trees and a production method thereof, and provides a special fertilizer for the tung trees, which contains N, P, K and other major element nutrients and also contains a certain proportion of medium and trace elements, has strong specificity and comprehensive, balanced and reasonable nutrition. However, the patent only provides a fertilizer with a nutrient structure meeting the nutrient requirement structure of the tung tree, and how to effectively release and store the fertilizer and make the root of the tung tree effectively absorb the fertilizer is not considered, so that the fertilizer cannot be effectively utilized in practical application, and nutrient loss occurs to cause environmental pollution.
The anaerobic fermentation technology can be used for converting wastes such as straw bedding, livestock and poultry manure and the like into energy substances, the purposes of reducing pollution and protecting the environment are achieved, and meanwhile, the anaerobic fermentation technology has environmental, social and economic benefits, but a large amount of biogas residues and biogas slurry can be generated through anaerobic fermentation, and if the biogas residues and the biogas slurry are not properly treated, pollutants such as high-concentration organic matters, pathogenic microorganisms and the like can possibly enter the environment, so that resource waste is caused, and secondary pollution is caused.
The biogas residues contain rich nitrogen, phosphorus, potassium and various mineral elements, and the nutrients are rich and comprehensive. Screened microbial products and conditioner are artificially added into the biogas residues. The optimal activity environment is provided for the microorganisms by adjusting the parameters such as temperature, humidity, oxygen supply and the like, the microorganisms take organic matters in the biogas residues as nutrients, and the aims of decomposing and digesting the organic matters and treating the biogas residues by utilizing aerobic microorganisms are fulfilled by the life activities of the microorganisms. Organic matters in the biogas residues are used as nutrients by aerobic microorganisms, the purposes of decomposing and digesting the organic matters are achieved through the life activities of the microorganisms, the metabolic products of the organic matters release water and gas, partial low-molecular organic matters are also contained, inorganic matters and the microorganisms are slightly retained in the form of solid residues, and the residues can be used as fertilizers. The biogas residues can further decompose residual organic matters through aerobic composting, the humus process is strengthened, humic acid is produced at high yield, the final fertilizer efficiency of the organic fertilizer is improved, the agricultural quality is improved, and the growth of crops is promoted.
The compost fermentation can stabilize organic matters and kill pathogenic microorganisms at the same time in a high-temperature fermentation stage. The final product compost can also increase soil fertility, enrich soil microbial composition and regulate soil structure. Compared with other solid organic waste composts, the biogas residue compost has high organic matter content, low C/N and high water content, is the resource utilization of anaerobic residues, can further realize the cyclic utilization of resources and reduce the harm to the environment.
In order to obtain a good biogas residue compost product, the factors such as temperature, water content, ventilation rate, pH value, C/N and the like need to be properly controlled in the composting process, wherein the ventilation rate is related to the microbial activity, the decomposition rate of organic matters and the change of temperature in the composting process and is one of important parameters influencing the composting process and the quality of the compost product, and the composting process is influenced by the anaerobic environment in a composting system due to the low ventilation rate; too high ventilation rate can cause too much heat loss and influence the maintenance time of a high-temperature stage in the composting process, so that the selection of proper ventilation rate is the premise of carrying out efficient aerobic composting, and the ventilation rate needs to be controlled in the composting process.
However, the C/N of the livestock and poultry manure is low, which is not beneficial to the production of biogas and causes the fertilizer efficiency of the organic fertilizer to hardly meet the requirements of relevant standards. About 70 million tons of straw are produced worldwide each year, with china contributing 9 million tons. The straw raw materials mainly comprise lignocellulose, and the C/N of the straw raw materials is high, so that anaerobic biogas fermentation and organic fertilizer conversion are not facilitated. The raw materials such as the livestock and poultry manure and the straws are adopted for co-fermentation, so that the physicochemical characteristics such as the C/N ratio of the fermentation substrate can be changed, and the biogas yield and the fertilizer efficiency of the organic fertilizer can be improved.
Disclosure of Invention
The technical problem to be solved by the invention is to find an organic fertilizer which meets the nutritional requirement structure of the tung tree, can effectively release the fertilizer, and simultaneously enables the root of the tung tree to effectively absorb the nutrients, so that the utilization rate of the fertilizer is improved, the healthy growth of the tung tree is promoted, and the pollution of secondary pollutants generated by anaerobic fermentation of organic wastes to the environment is reduced.
In order to solve the technical problems, the technical scheme adopted by the invention is to prepare the biogas residue organic fertilizer for promoting efficient and rapid growth of the tung trees, and the method is used for producing the organic fertilizer by biogas residues generated by combined anaerobic fermentation of straw bedding materials and livestock and poultry manure.
In order to achieve the above object, the following technical solutions are adopted.
A biogas residue organic fertilizer for promoting efficient and rapid growth of tung trees is prepared by treating and processing main straw bedding materials and biogas residues generated by combined anaerobic fermentation of livestock and poultry manure.
And pumping fermentation liquor generated by the anaerobic fermentation of the straw bed-lying padding and the livestock and poultry manure by using a sewage pump out of the fermentation tank, and directly feeding the pumped fermentation liquor into a horizontal spiral discharging sedimentation type centrifuge for solid-liquid separation under the action of centrifugal force.
After separation by a horizontal spiral discharge decanter centrifuge, the solid content in the biogas slurry is lower than 1%, and the water content of biogas residues is 60-70%, so that the method can be used for producing organic fertilizers.
Discharging the biogas residues after solid-liquid separation to a conveyor belt through a solid-phase outlet of a centrifugal machine, and conveying the biogas residues to a biogas manure processing workshop; the biogas slurry is discharged into a liquid pumping pipeline and enters a liquid storage tank.
And adjusting the content of carbon and nitrogen in the dehydrated biogas residues to ensure that the mass ratio of carbon to nitrogen in the biogas residues is 25-30: 1, the PH is neutral or alkalescent, and simultaneously crushing the materials and the particle size of the materials is 10-30 mm.
Taking soil at the root hair of a wild tung tree plant, drying the soil together with the root hair, grinding the soil, and then sieving the ground soil with a 100-mesh sieve to be used as a fertilizer-philic matrix material and biogas residues.
Adding sucrose into 65 deg.C warm water to obtain sucrose solution, adding rice bran, tea oil cake, soybean meal and yeast powder into the sucrose solution, stirring thoroughly to obtain fermented powder, and mixing with biogas residue and hydrophilic fertilizer matrix material for fermentation.
Controlling the water content in the primarily prepared materials to be 60-70%, and piling the materials into strips for fermentation; the height of the material pile is not more than 80cm, and the width of the bottom of the material pile is about 500-800 cm.
Before the surface temperature of the fermentation material rises to 60-70 ℃, the air is introduced at a speed of about 3-4 m3Min; when the surface temperature of the fermentation material rises to 60-70 ℃, the air introduction speed is about 1-2 m3Min; keeping the fermentation temperature at 60-70 ℃ for 15-20 days, and turning and throwing the materials every 2-3 days.
Cooling the fermented material to 40-50 ℃, wherein the air introduction speed is about 4-6 m3Min; when the temperature is reduced to 40-50 ℃, the air is introduced at a rate of about 3-4 m3Min; and keeping the temperature of the fermented materials at 40-50 ℃ for 10-12 days, and turning and throwing the fermented materials once every 2-3 days to obtain compost rotten clinker.
When the composting is finished, the composting rotten clinker is black brown in color, has black juice and has ammonia odor; the compost is soft and elastic when wet, crisp and easy to break when dry, the organic matter loses elasticity, and the compost volume is reduced by about 2/3 compared with that when just piled.
After composting, sampling and detecting N, P in biogas residue organic fertilizer2O5、K2And adjusting the contents of O and organic matters.
Preparing a macroelement inorganic fertilizer: n, P is prepared according to the above calculation results2O5、K2An inorganic fertilizer of O.
Calculating the weight of nitrogenous fertilizer, phosphate fertilizer and potash fertilizer to be added according to the test result, so that N, P in the organic fertilizer containing biogas residue is finally obtained2O5、K2The content ratio of O and other substances containing organic matters is 5 percent to 4 percent to 6 percent to 85 percent. The number of effective viable bacteria is not less than 60.0 hundred million/g, and the number of fecal coliform bacteria is not more than 100 per gramThe death rate of the roundworm eggs is not lower than 95 percent, and the PH value is controlled to be 5.5-8.0. The total nutrient content is the total amount of nitrogen, phosphorus and potassium.
Will contain N, P2O5、K2And uniformly mixing the inorganic fertilizer of O with the prepared biogas residue organic fertilizer.
And sieving, crushing, granulating and bagging the compost rotten clinker to obtain the organic fertilizer. A granulator is adopted to make the fertilizer into particles with the particle size of 3-5 mm, and the particles are packed into 25kg per bag.
The biogas residue organic fertilizer for promoting the efficient and rapid growth of the tung tree is prepared by all the operations and is used for planting the tung tree.
The invention is characterized in that:
(1) the invention has the greatest characteristic of providing a method for preparing an organic fertilizer for promoting efficient and rapid growth of the tung tree by combining straw bed-lying padding with livestock and poultry manure and anaerobically fermenting biogas residue liquid.
(2) The organic fertilizer is produced by using biogas residues generated by anaerobic fermentation of the combination of the livestock and poultry manure and straw bed padding as raw materials, so that the problem of secondary pollution caused by anaerobic fermentation is solved.
(3) The method for producing the biogas residue organic fertilizer by fermenting the biogas residue with the mixed bacteria has the advantages of low cost, production cost advantage, simple implementation mode, large-scale application and easy popularization and use.
(4) The invention carries out staged fermentation and curing on the material, can ensure that the material is fully degraded, ensures that the treated material contains a plurality of probiotics, and can increase the soil fertility and the number of beneficial flora.
(5) According to the invention, a quantitative inorganic fertilizer is added into the biogas residue organic fertilizer fermented by the mixed bacteria, so that the biogas residue organic fertilizer suitable for growth and development of the tung tree is formed.
(6) The nutrition requirement structure of the tung tree forms the tung tree special fertilizer with strong specificity, comprehensive nutrition, balance and reasonability.
(7) The invention overcomes the defects of ecological pollution and low fertilizer efficiency caused by the pungent odor generated in the biogas residue application process, really realizes the resource safe treatment and utilization of the biogas residue, and has the fertilizer efficiency superior to that of the common biogas residue.
(8) According to the invention, the livestock and poultry excrement and straw bed padding are combined for anaerobic fermentation, so that the problem of recycling the excrement in a farm is solved, a large amount of excrement accumulation phenomenon cannot be generated in the farm, the condition of incapability of recycling is avoided, and the environment pollution caused by the livestock and poultry excrement is favorably relieved.
(9) The method is scientific and reasonable, and the straw bed padding and the livestock and poultry manure are subjected to combined anaerobic fermentation to produce energy, and meanwhile, the biogas residue organic fertilizer generated by anaerobic fermentation is utilized, so that the secondary pollution caused by anaerobic fermentation is solved, and the comprehensive utilization rate of the livestock and poultry manure and the straw is promoted.
The above description is only an embodiment of the present invention, and the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the protection of the present invention.
Claims (13)
1. The invention relates to a biogas residue organic fertilizer which is produced by straw bed padding and livestock and poultry manure combined anaerobic fermentation biogas residue and conforms to the nutrition requirement structure of an elaeostearia tree, can effectively release fertilizer, can effectively absorb nutrients by roots of the elaeostearia tree, promotes the healthy growth of the elaeostearia tree, and reduces the pollution of secondary pollutants such as biogas residue and the like produced by organic waste anaerobic fermentation to the environment.
2. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: the biogas residues for producing the biogas residue organic fertilizer are derived from straw bedding materials and livestock and poultry manure combined anaerobic fermentation.
3. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: the straw bed-lying padding and the livestock and poultry manure combined anaerobic fermentation liquid are subjected to solid-liquid separation by adopting a horizontal spiral discharge sedimentation type centrifuge, and the separated solid components are used for producing organic fertilizers.
4. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: after separation by a horizontal spiral discharge decanter centrifuge, the solid content in the biogas slurry is lower than 1%, and the water content of biogas residues is 60-70%, so that the method can be used for producing organic fertilizers.
5. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: and adjusting the content of carbon and nitrogen in the dehydrated biogas residues to ensure that the mass ratio of carbon to nitrogen in the biogas residues is 25-30: 1, the PH is neutral or alkalescent, and simultaneously crushing the materials and the particle size of the materials is 10-30 mm.
6. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: taking soil at root hair of wild elaeoscope trees, drying the soil together with the root hair, grinding the soil, and then sieving the ground soil with a 100-mesh sieve to obtain a fertilizer-compatible matrix material; preparing sucrose solution, rice bran, tea oil cake, soybean meal and yeast powder into fermentation powder.
7. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: controlling the water content in the primarily prepared materials to be 60-70%, and piling the materials into strips for fermentation; the height of the material pile is not more than 80cm, and the width of the bottom of the material pile is about 500-800 cm.
8. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: before the surface temperature of the fermentation material rises to 60-70 ℃, the air is introduced at a speed of about 3-4 m3Min; when the surface temperature of the fermentation material rises to 60-70 ℃, the air introduction speed is about 1-2 m3Min; keeping the fermentation temperature at 60-70 ℃ for 15-20 days, and turning and throwing the materials every 2-3 days.
9. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: fermented productCooling the material to 40-50 ℃, wherein the air introduction speed is about 4-6 m3Min; when the temperature is reduced to 40-50 ℃, the air is introduced at a rate of about 3-4 m3Min; and keeping the temperature of the fermented materials at 40-50 ℃ for 10-12 days, and turning and throwing the fermented materials once every 2-3 days to obtain compost rotten clinker.
10. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: the compost rotten clinker is black brown, has dark juice, has ammonia odor, and has a volume reduced by about 2/3 compared with the compost just piled.
11. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: n, P in biogas residue organic fertilizer to be detected2O5、K2O and organic matter content, and preparing a certain amount of N, P2O5、K2An inorganic fertilizer of O.
12. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: calculating the weight of nitrogenous fertilizer, phosphate fertilizer and potash fertilizer to be added according to the test result, so that N, P in the organic fertilizer containing biogas residue is finally obtained2O5、K2The content ratio of O and other substances containing organic matters is 5 percent to 4 percent to 6 percent to 85 percent. The total nutrient content is the total amount of nitrogen, phosphorus and potassium.
13. The biogas residue organic fertilizer formula for promoting efficient and rapid growth of the tung trees as claimed in claim 1, is characterized in that: the number of effective live bacteria is not less than 60.0 hundred million/g, the number of fecal coliform bacteria is not more than 100 per gram, the death rate of ascarid eggs is not lower than 95%, and the pH value is controlled to be 5.5-8.0.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11713284B1 (en) * | 2022-12-22 | 2023-08-01 | Farment Bio Solutions Ltd. | Methods of producing fertilizer compositions and biogas |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315049A (en) * | 2014-05-31 | 2016-02-10 | 聂洪品 | Special organic and inorganic compound fertilizer for vernicia fordii tree |
| CN112374949A (en) * | 2020-11-17 | 2021-02-19 | 内蒙古华蒙科创环保科技工程有限公司 | Method for producing organic fertilizer by straw bed-lying padding and livestock and poultry manure combined anaerobic fermentation biogas residue |
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2021
- 2021-09-26 CN CN202111131338.7A patent/CN113979794A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315049A (en) * | 2014-05-31 | 2016-02-10 | 聂洪品 | Special organic and inorganic compound fertilizer for vernicia fordii tree |
| CN112374949A (en) * | 2020-11-17 | 2021-02-19 | 内蒙古华蒙科创环保科技工程有限公司 | Method for producing organic fertilizer by straw bed-lying padding and livestock and poultry manure combined anaerobic fermentation biogas residue |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11713284B1 (en) * | 2022-12-22 | 2023-08-01 | Farment Bio Solutions Ltd. | Methods of producing fertilizer compositions and biogas |
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Application publication date: 20220128 |