CN111499462A - Preparation method of medium-trace element coated fertilizer - Google Patents
Preparation method of medium-trace element coated fertilizer Download PDFInfo
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- CN111499462A CN111499462A CN202010525145.9A CN202010525145A CN111499462A CN 111499462 A CN111499462 A CN 111499462A CN 202010525145 A CN202010525145 A CN 202010525145A CN 111499462 A CN111499462 A CN 111499462A
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- urea
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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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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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a medium trace element coated fertilizer, which relates to the technical field of fertilizers and is characterized in that: calculating according to the components: p2O5(10-20 parts), S (10-15 parts), CaO (15-20 parts), MgO (8-12 parts), medium trace elements (5-15 parts), urea (25-40 parts), phosphogypsum (5-10 parts), soil conditioner (1-2 parts), wrapping material (8-10 parts), inhibitor (1-1.5 parts), synergist (1-1.5 parts) and bonding agent1-1.5 parts of agent and 5-10 parts of compound microbial flora. The invention utilizes the nutrient elements in the components, namely S, Si, Fe, Mn, Zn, Cu, Mo and P2O5S, CaO, MgO and the like, which meet the growth environment required by normal soil, form a mineral fertilizer, can improve the effective concentration of nutrients in the soil through a high-molecular amino acid polymer synergist, prevent crops from absorbing and utilizing the nutrients, improve the utilization efficiency of the nutrients of the fertilizer, improve the utilization rate of nitrogen by utilizing urea mixed with an inhibitor, and reduce the environmental non-point source pollution caused by nitrogen loss.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to a preparation method of a medium-trace element coated fertilizer.
Background
When the fertilizer is mentioned, nitrogen, phosphorus and potassium are firstly thought, but the crop growth needs calcium, magnesium and sulfur secondary nutrient elements and copper, zinc, iron, boron, molybdenum and other trace nutrient elements besides a large amount of nitrogen, phosphorus and potassium nutrient elements, wherein the secondary nutrient elements are relatively less than the nitrogen, phosphorus and potassium, the secondary nutrient elements are called as secondary elements, and the boron, copper, iron, zinc and other trace elements are called as trace elements, and the fertilizers made of the secondary and trace elements are collectively called as micro-fertilizers, for example: the trace elements in the plant body have positive significance for photosynthesis, formation and transportation of carbohydrates, absorption and transportation of other nutrient elements, development of reproductive organs and the like, the more and less medium trace elements can not only improve the yield of crops, but also have very obvious effect on improving the quality of agricultural products, and the silicon fertilizer, the zinc fertilizer, the molybdenum fertilizer, the selenium fertilizer and the like are gradually increased in the market, thereby proving that the trace element fertilizer is continuously expanded.
However, most of the compound fertilizers and organic fertilizers containing trace elements on the market generally have less trace element content, and the trace elements cannot be effectively supplemented, or the fertilizer is easy to run off, if the trace elements cannot be effectively and reasonably utilized, not only can resources be wasted, but also the quality of soil is influenced.
Disclosure of Invention
The invention aims to: in order to solve the problems that the fertilizer can not well supply various nutrient elements, the nutrition is easy to lose, and the soil does not have good nutrition to assist the growth of plants, the preparation method of the medium-trace element coated fertilizer is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a medium trace element coated fertilizer is characterized in that: calculating according to the components: p2O5(10-20 parts), S (10-15 parts), CaO (15-20 parts), MgO (8-12 parts), medium trace elements (5-15 parts), urea (25-40 parts), phosphogypsum (5-10 parts), a soil conditioner (1-2 parts), a wrapping material (8-10 parts), an inhibitor (1-1.5 parts), a synergist (1-1.5 parts), a binder (1-1.5 parts), and a composite microbial flora (5-10 parts).
Preferably, the wrapping material is composed of one or more of citrate-soluble calcium magnesium phosphate fertilizer, magnesium ammonium phosphate, ground phosphate rock, calcium hydrophosphate and compounds containing calcium, magnesium, silicon and trace elements.
Preferably, the medium trace elements are S, Si, Fe, Mn, Zn, Cu, Mo.
Preferably, the soil conditioner is one or more of potassium-calcium-magnesium-phosphate fertilizer, silicon-calcium fertilizer, steel slag phosphate fertilizer, yellow phosphorus slag and the like.
Preferably, the synergist is composed of a high molecular compound composed of a plurality of amino acids.
Preferably, the complex microbial flora mainly comprises dozens of beneficial microorganisms such as cellulose decomposition bacteria, protein decomposition bacteria, organophosphorus decomposition bacteria, saccharomycetes and antibiotic-producing actinomycetes.
Preferably, the preparation method of the medium trace element coated fertilizer is characterized by comprising the following steps: the method comprises the following steps:
(1): obtaining the above components, adding P2O5S, CaO, MgO, medium trace elements, urea, an inhibitor, a soil conditioner, a synergist and a binder are put into a crusher to form a mixed material, and crushing treatment is carried out;
(2): putting the crushed mixed materials into a granulator, and extruding the fertilizer through an extruder;
(3): then preparing potassium mineral powder, industrial and agricultural wastes and fermentation auxiliary materials, adding water, stirring, inoculating a compound microbial flora, performing pretreatment by a high-temperature fermentation method, and transferring into a biological leaching tank;
(4): then, carrying out granulator processing operation on part of urea, and adding a certain amount of inhibitor into the urea granulation process to form new urea;
(5): reacting the new urea with the calcium sulfate in the phosphogypsum to generate CaSO4.4CO（NH2）2；
(6): dissolving the wrapping material in water, and adding CaSO4.4CO（NH2）2Adding the mixture to carry out mixed reaction;
(7): then spraying the flora passing through the biological leaching pool on the extruded fertilizer, and drying;
(8): spraying the reacted coating material on the surface of the fertilizer in a spraying mode, and drying;
(9): and after standing and cooling, cutting by using a shearing device of the granulator.
Compared with the prior art, the invention has the beneficial effects that: the invention utilizes the nutrient elements in the components, namely S, Si, Fe, Mn, Zn, Cu, Mo and P2O5S, CaO, MgO and the like, satisfy the growth environment that normal soil needs, form mineral fertilizer, can improve the effective concentration of nutrient in the soil through polymer amino acid polymer synergist, prevent the absorption and the utilization of nutrient of crop, improve fertilizer nutrient utilization efficiency, utilize the urea of thoughtlessly mixing the inhibitor, can improve the utilization ratio of nitrogen, reduce the environmental non-point source pollution that the nitrogen runs off and causes, rethread compound microbial flora and wrapping material, can enrich the required nutrient of crop growth, improve soil fertility, urea exists with the complex form, have moderate slow effect, can less eluviation, loss such as volatilization, improve the utilization ratio of fertilizer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A medium trace element coated fertilizer is characterized in that: calculating according to the components: p2O5(10-20 parts), S (10-15 parts), CaO (15-20 parts), MgO (8-12 parts), medium trace elements (5-15 parts), urea (25-40 parts), phosphogypsum (5-10 parts), a soil conditioner (1-2 parts), a wrapping material (8-10 parts), an inhibitor (1-1.5 parts), a synergist (1-1.5 parts), a binder (1-1.5 parts), and a composite microbial flora (5-10 parts).
The invention utilizes P2O5S, CaO, MgO, medium trace elements, urea, inhibitor, soil conditioner, synergist and adhesive are added into the powderIn the rubbing crusher, form the compounding, after carrying out shredding, enter into the granulator, the compounding that forms can be as basic base fertilizer, effective concentration that has the nutrient in can improving soil through adding polymer amino acid polymer synergist in the base fertilizer, prevent the absorption and the utilization of crop to the nutrient, improve fertilizer nutrient utilization efficiency, utilize the urea of thoughtlessly having the inhibitor, can improve the utilization ratio of nitrogen element, reduce the environmental area source pollution that the nitrogen element runs off and causes, rethread compound microbial flora and wrapping material, can enrich the required nutrient of crop growth, improve soil fertility, urea exists with the complex form, moderate slow effect has, can less eluviation, loss such as volatilization, improve the utilization ratio of fertilizer.
Example 1
In a preferred embodiment, the wrapping material is composed of one or more of citrate-soluble calcium magnesium phosphate fertilizer, magnesium ammonium phosphate, powdered rock phosphate, calcium hydrogen phosphate and compounds containing calcium, magnesium, silicon and trace elements.
The coating material can form slow release, so that the compound or physical state of the nutrient can be slowly released to the fertilizer continuously absorbed and utilized by plants within a period of time, and the fertilizer effect can be exerted in the soil for a long time.
Example 2
In a preferred embodiment, the medium trace elements are S, Si, Fe, Mn, Zn, Cu, Mo.
The medium trace element combined with the basic fertilizer can provide necessary nutrient elements for plant production, can promote the photosynthesis, respiration, substance conversion and other enzyme or coenzyme components of plants, has strong specificity, can also improve the crop yield, improve the crop quality, reduce crop diseases and insect pests, improve the fertilizer utilization rate and effectively reduce the environmental pollution.
Example 3
As a preferred example, the soil conditioner is one or more of potassium-calcium-magnesium-phosphate fertilizer, calcium-silicon fertilizer, steel slag phosphate fertilizer, yellow phosphorus slag and the like.
The soil conditioner can provide mineral source, improve crop growth and improve soil quality during plant growth.
Example 4
As a preferred example, the synergist is composed of a polymer compound composed of a plurality of amino acids.
The macromolecular amino acid polymer synergist can improve the effective concentration of nutrients in soil, prevent crops from absorbing and utilizing the nutrients and improve the utilization efficiency of fertilizer nutrients.
Example 5
As a preferred example, the complex microbial flora is mainly composed of more than ten kinds of beneficial microorganisms such as cellulolytic bacteria, proteolytic bacteria, organophosphorus lytic bacteria, yeast and antibiotic-producing actinomycetes.
The bacterial flora is prepared by adding water into potassium ore powder, industrial and agricultural wastes and fermentation auxiliary materials for stirring, inoculating a compound microbial flora, pretreating by a high-temperature fermentation method, transferring into a biological leaching pond, and combining with the use of a basic fertilizer, so that nutrients required by crop growth can be enriched, soil organic matters can be increased, hardened soil can be loosened, and soil fertility can be improved.
Example 6
As a preferred embodiment, the preparation method of the medium trace element coated fertilizer is characterized by comprising the following steps: the method comprises the following steps:
(1): obtaining the above components, adding P2O5S, CaO, MgO, medium trace elements, urea, an inhibitor, a soil conditioner, a synergist and a binder are put into a crusher to form a mixed material, and crushing treatment is carried out;
(2): putting the crushed mixed materials into a granulator, and extruding the fertilizer through an extruder;
(3): then preparing potassium mineral powder, industrial and agricultural wastes and fermentation auxiliary materials, adding water, stirring, inoculating a compound microbial flora, performing pretreatment by a high-temperature fermentation method, and transferring into a biological leaching tank;
(4): then, carrying out granulator processing operation on part of urea, and adding a certain amount of inhibitor into the urea granulation process to form new urea;
(5): reacting the new urea with the calcium sulfate in the phosphogypsum to generate CaSO4.4CO（NH2）2；
(6): dissolving the wrapping material in water, and adding CaSO4.4CO（NH2）2Adding the mixture to carry out mixed reaction;
(7): then spraying the flora passing through the biological leaching pool on the extruded fertilizer, and drying;
(8): spraying the reacted coating material on the surface of the fertilizer in a spraying mode, and drying;
(9): and after standing and cooling, cutting by using a shearing device of the granulator.
The wrapped waste material utilization P2O5S, CaO, MgO, medium trace elements, urea, an inhibitor, a soil conditioner, a synergist and a bonding agent are put into a crusher to form a mixed material, the mixed material is crushed and then enters a granulator, the formed mixed material can be used as a basic fertilizer and can be used for supplying basic nutrient elements of crop plants, and the soil conditioner, a molecular amino acid polymer synergist, new urea and calcium sulfate in phosphogypsum are used for reaction, flora spraying and coating of a wrapping material, so that the urea exists in a complex form, has moderate slow effect, can reduce the loss of leaching, volatilization and the like, and improves the utilization rate of the fertilizer.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A medium trace element coated fertilizer is characterized in that: calculating according to the components: p2O5(10-20 parts), S (10-15 parts), CaO (15-20 parts), MgO (8-12 parts), medium trace elements (5-15 parts), urea (25-40 parts), phosphogypsum (5-10 parts), a soil conditioner (1-2 parts), a wrapping material (8-10 parts), an inhibitor (1-1.5 parts), a synergist (1-1.5 parts), a binder (1-1.5 parts), and a composite microbial flora (5-10 parts).
2. The coated fertilizer with medium and trace elements as claimed in claim 1, wherein: the wrapping material is composed of one or more of a citrate soluble calcium magnesium phosphate fertilizer, magnesium ammonium phosphate, ground phosphate rock, calcium hydrophosphate and a compound containing calcium, magnesium, silicon and trace elements.
3. The coated fertilizer with medium and trace elements as claimed in claim 1, wherein: the medium trace elements are S, Si, Fe, Mn, Zn, Cu and Mo.
4. The coated fertilizer with medium and trace elements as claimed in claim 1, wherein: the soil conditioner is one or more of potassium-calcium-magnesium-phosphate fertilizer, silicon-calcium fertilizer, steel slag phosphate fertilizer, yellow phosphorus slag and the like.
5. The coated fertilizer with medium and trace elements as claimed in claim 1, wherein: the synergist is composed of a high molecular compound composed of various amino acids.
6. The coated fertilizer with medium and trace elements as claimed in claim 1, wherein: the compound microbial flora mainly comprises dozens of beneficial microorganisms such as cellulose decomposition bacteria, protein decomposition bacteria, organophosphorus decomposition bacteria, saccharomycetes, actinomycetes for generating antibiotics and the like.
7. The method for preparing the medium trace element coated fertilizer according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
(1): obtaining the above components, adding P2O5S, CaO, MgO, medium trace elements, urea, an inhibitor, a soil conditioner, a synergist and a binder are put into a crusher to form a mixed material, and crushing treatment is carried out;
(2): putting the crushed mixed materials into a granulator, and extruding the fertilizer through an extruder;
(3): then preparing potassium mineral powder, industrial and agricultural wastes and fermentation auxiliary materials, adding water, stirring, inoculating a compound microbial flora, performing pretreatment by a high-temperature fermentation method, and transferring into a biological leaching tank;
(4): then, carrying out granulator processing operation on part of urea, and adding a certain amount of inhibitor into the urea granulation process to form new urea;
(5): reacting the new urea with the calcium sulfate in the phosphogypsum to generate CaSO4.4CO（NH2）2；
(6): dissolving the wrapping material in water, and adding CaSO4.4CO（NH2）2Adding the mixture to carry out mixed reaction;
(7): then spraying the flora passing through the biological leaching pool on the extruded fertilizer, and drying;
(8): spraying the reacted coating material on the surface of the fertilizer in a spraying mode, and drying;
(9): and after standing and cooling, cutting by using a shearing device of the granulator.
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| CN202010525145.9A CN111499462A (en) | 2020-06-10 | 2020-06-10 | Preparation method of medium-trace element coated fertilizer |
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2020
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Application publication date: 20200807 |