CN111548238A - High-concentration phosphorus-based compound fertilizer and preparation method thereof - Google Patents
High-concentration phosphorus-based compound fertilizer and preparation method thereof Download PDFInfo
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- CN111548238A CN111548238A CN202010489490.1A CN202010489490A CN111548238A CN 111548238 A CN111548238 A CN 111548238A CN 202010489490 A CN202010489490 A CN 202010489490A CN 111548238 A CN111548238 A CN 111548238A
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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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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- 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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- Organic Chemistry (AREA)
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Abstract
The invention discloses a high-concentration phosphorus-based compound fertilizer, which comprises the following components: monoammonium phosphate, urea, calcium superphosphate, ammonium chloride, potassium chloride, sweet potato type citric acid residues, vinasse, edible fungus residues, biological bacteria agents, mineral fertilizers, chelated boron-zinc fertilizers, monosodium glutamate residues and cake pulp, wherein the preparation method of the compound fertilizer comprises the following steps: mixing organic fertilizer uniformly and fermenting, sieving and blending inorganic fertilizer powder, granulating by amino acid, drying and screening, and packaging by coating. The compound fertilizer prepared by the invention has the beneficial effects of good compatibility, balanced fertility, stable property, difficult deliquescence, capability of improving the physical and chemical properties of soil, difficult soil hardening, no environmental pollution, lasting fertilizer efficiency, high fertilizer utilization rate and the like.
Description
Technical Field
The invention belongs to the technical field of crop compound fertilizers, and particularly relates to a high-concentration phosphorus-based compound fertilizer and a preparation method thereof.
Background
The compound fertilizer has the advantages of high nutrient content, few side ingredients, good physical properties and the like, and plays an important role in balancing fertilization, improving the utilization rate of the fertilizer and promoting the high and stable yield of crops. Although most of the compound fertilizers must be multi-element, the compound fertilizers cannot completely replace organic fertilizers, and the application amount of decomposed organic fertilizers should be increased to the greatest extent in places with conditions. The compound fertilizer and the organic fertilizer are applied in a matching way, so that the fertilizer efficiency and the nutrient utilization rate can be improved. The application of the organic fertilizer not only improves the soil and activates beneficial microorganisms in the soil, but also saves energy and lightens the environmental pollution. By using some biological organic fertilizers, not only the complicated process of traditional organic fertilizer preparation can be omitted, but also a large amount of beneficial microorganisms can be provided for soil to activate soil nutrients, and continuous cropping obstacles are reduced.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a high-concentration phosphorus-based compound fertilizer which has the beneficial effects of good compatibility, balanced fertility, stable property, difficult deliquescence, capability of improving the physical and chemical properties of soil, difficulty in causing soil hardening, no pollution to the environment, lasting fertilizer efficiency, high fertilizer utilization rate and the like.
In order to achieve the purpose, the technical scheme of the invention is as follows: the high-concentration phosphorus-based compound fertilizer is characterized by comprising the following components: monoammonium phosphate, urea, calcium superphosphate, ammonium chloride, potassium chloride, sweet potato type citric acid residues, vinasse, attapulgite, EDTA chelated zinc, amino acid chelated iron, edible fungus residues, plant growth regulators, biological agents, mineral fertilizers, monosodium glutamate residues and cake meal.
The high-concentration phosphorus-based compound fertilizer comprises, by weight, 10-30 parts of monoammonium phosphate, 20-45 parts of urea, 10-25 parts of calcium superphosphate, 9-20 parts of ammonium chloride, 6-18 parts of potassium chloride, 20-40 parts of sweet potato type citric acid residues, 15-45 parts of vinasse, 12-34 parts of attapulgite, 8-28 parts of EDTA chelated zinc, 10-27 parts of amino acid chelated iron, 11-24 parts of edible fungus residues, 10-20 parts of biological agents, 10-30 parts of plant growth regulators, 11-31 parts of mineral fertilizers, 10-27 parts of monosodium glutamate residues and 9-26 parts of cake dregs.
The high-concentration phosphorus-based compound fertilizer comprises, by weight, 11-28 parts of monoammonium phosphate, 20-40 parts of urea, 10-22 parts of calcium superphosphate, 10-20 parts of ammonium chloride, 6-15 parts of potassium chloride, 22-40 parts of sweet potato type citric acid residues, 15-42 parts of vinasse, 12-30 parts of attapulgite, 8-25 parts of EDTA chelated zinc, 10-30 parts of plant growth regulators, 10-23 parts of amino acid chelated iron, 11-20 parts of edible fungus residues, 10-18 parts of biological agents, 11-27 parts of mineral fertilizers, 10-20 parts of monosodium glutamate residues and 9-23 parts of cake dregs.
The monosodium glutamate residue comprises solid residue left after fermentation of a culture medium consisting of sucrose, molasses, starch and ammonium salt.
The cake comprises at least one of soybean cake, cottonseed cake, rapeseed cake, sunflower cake and flax cake.
The mineral fertilizer is prepared from the following raw materials in parts by weight: 5-8 parts of zinc sulfate, 1-3 parts of phosphogypsum and 2-5 parts of coal ash.
The preparation method comprises the following steps:
(1) respectively crushing sweet potato residues, vinasse, edible fungus residues, monosodium glutamate residues and cake dregs, sieving the crushed materials with a sieve of 60-80 meshes, uniformly mixing the materials, fermenting the mixture for 6-12 days at 25-35 ℃, stirring the mixture once in the morning and evening every day for 18-35 minutes every time at a stirring speed of 42-85 rpm to obtain a material 1;
(2) putting monoammonium phosphate, urea, ammonium chloride, attapulgite, EDTA chelated zinc, amino acid chelated iron, biological bacteria, mineral fertilizer, potassium chloride and the material 1 into a mixer, uniformly stirring, conveying the mixture into a grinding machine through a measuring belt, grinding the mixture until the particle size can pass through a sieve with 80-100 meshes, and obtaining a material 2;
(3) adding acid into the material 2 fed into the granulator, and introducing ammonia gas for granulating to obtain a material 3 with a proper particle specification;
(4) and (3) putting the material 3 in a drier, introducing hot air for heating, evaporating water to meet the water content requirement of the product, cooling, screening, coating and packaging to obtain a finished product.
In the preparation method of the high-concentration phosphorus-based compound fertilizer, the granularity of the monoammonium phosphate, the urea, the ammonium chloride and the potassium chloride in the step (2) is less than 20 mm.
According to the preparation method of the high-concentration phosphorus-based compound fertilizer, the time for introducing hot air in the step (4) is 35-55 minutes, and the air volume of the hot air is 2000m & lt 3 & gt/h; the content of the evaporated water is 80-91%.
Monoammonium phosphate: good chemical stability and good compatibility with ammonium sulfate, potassium dihydrogen phosphate and the like. Is one of the main varieties of high-concentration phosphorus compound fertilizers. The product is generally used as additional fertilizer and is also the most main basic raw material for producing ternary compound fertilizer and BB fertilizer; the product is widely applicable to various grain crops and economic crops. Application as a fertilizer during crop growth is most suitable, being acidic in the soil, and also being superior to other fertilizers in alkaline soil.
Amino acid chelated zinc: the amino acid chelated zinc is a zinc structural form in which zinc ions are embedded between two amino acid molecules. Two amino acid molecules clamp a zinc ion like crab pincers to form an ultra-stable chelating structure. The amino acid can be directly absorbed by the plants to stimulate the growth of the plants, and the amino acid can be directly utilized by the plants under the condition of no photosynthesis; when the amino acid medium trace element chelate is used as a chelate, metal ions can be protected from generating side reactions with other substances, and the chelate can be absorbed and utilized by crops after the metal ions reach the required parts of the plants, so that the amino acid medium trace element chelate is an organic medium trace element fertilizer with excellent performance, low price and moderate chelating constant, and can effectively solve the contradiction between balanced fertilizer preparation and balanced absorption of the crops.
Bean pulp: is a byproduct obtained after soybean oil is extracted from soybeans. The bean pulp is a good organic fertilizer raw material.
Vinasse: the vinasse is a good organic fertilizer, and can effectively improve weak acid state of soil by mixing the vinasse into the soil, so that small particles of the soil are condensed to improve the granular structure of the soil, and the permeability of fertilizer, water and air of plant roots and the extension of the roots are facilitated.
Biological agent: the function is as follows: the soil fertility is improved, organic and inorganic nutrients in soil are activated, the fertilizer efficiency is improved, the crop circulation is promoted, the long-acting absorption and utilization are realized, and the roots are increased, the seedlings are strengthened and the fruits are full; improving soil, improving soil aggregate structure, eliminating hardening, improving water and fertilizer retention capacity, and resisting drought, stress, cold and lodging; the soil conditioner can be used continuously, and can improve the micro-ecological environment of soil. Eliminate soil hardening, neutralize pH value and reduce heavy metal and salt and alkali toxicity in soil.
Plant growth regulator: plant growth regulators are a class of pesticides used to regulate plant growth and development, including artificially synthesized compounds and natural plant hormones extracted from organisms. Its existence can influence and effectively regulate and control the growth and development of plants, including a series of plant life processes from cell growth, division, rooting, germination, flowering, fructification, maturation and abscission.
1. Selecting the dosage of the plant growth regulator: the results are shown in Table 1.
TABLE 1
As is clear from Table 1, no plant growth regulator was used, and a disease and insect pest phenomenon occurred. When the using amount is too large, the growth condition of the plants is not obviously improved, so that 10-15 parts of the plant growth regulator is preferably selected comprehensively.
The high-concentration phosphorus-based compound fertilizer and the high-concentration phosphorus-based compound fertilizer which are sold in the market are respectively applied to test fields with the same soil, and the application amount is the same. The growth of the plants was observed. The results are shown in Table 2.
As can be seen from table 2, the application of the high-concentration phosphorus-based compound fertilizer of the present invention can effectively increase the yield of plants, reduce the number of fertilizer applications, reduce the amount of fertilizer used, increase the utilization rate of fertilizer, prolong the fertilizer efficiency, effectively improve the soil characteristics, and prevent plant diseases and insect pests.
Compared with the prior art, the invention has the beneficial effects that: the compound fertilizer prepared by the invention has the beneficial effects of good compatibility, balanced fertility, stable property, difficult deliquescence, capability of improving the physical and chemical properties of soil, difficult soil hardening, no environmental pollution, lasting fertilizer efficiency, high fertilizer utilization rate and the like.
Detailed Description
The invention is further described with reference to specific examples.
Example 1
The high-concentration phosphorus-based compound fertilizer comprises, by weight, 10-30 parts of monoammonium phosphate, 20 parts of urea, 10 parts of calcium superphosphate, 9 parts of ammonium chloride, 6 parts of potassium chloride, 20 parts of sweet potato type citric acid residues, 15 parts of vinasse, 12 parts of attapulgite, 8 parts of EDTA chelated zinc, 10 parts of amino acid chelated iron, 11 parts of edible fungus residues, 10 parts of biological agents, 11 parts of mineral fertilizers, 10 parts of monosodium glutamate residues and 9 parts of cake meal.
A preparation method of a high-concentration phosphorus-based compound fertilizer comprises the following steps:
(1) respectively crushing sweet potato residues, vinasse, edible fungus residues, monosodium glutamate residues and cake dregs, sieving by a 60-mesh sieve, uniformly mixing, fermenting for 6 days at 25 ℃, stirring once in the morning and at night every day, wherein the stirring time is 18 minutes each time, and the stirring speed is 42 rpm, so as to obtain a material 1;
(2) putting monoammonium phosphate, urea, ammonium chloride, attapulgite, EDTA chelated zinc, amino acid chelated iron, biological bacteria, mineral fertilizer, potassium chloride and the material 1 into a mixer, uniformly stirring, conveying the mixture into a grinding machine through a metering belt, and grinding the mixture until the particle size can pass through a 80-mesh sieve to obtain a material 2;
(3) adding acid into the material 2 fed into the granulator, and introducing ammonia gas for granulating to obtain a material 3 with a proper particle specification;
(4) and (3) putting the material 3 in a drier, introducing hot air for 35 minutes with the air volume of 2000m & lt 3 & gt/h, heating, evaporating water to meet the water content requirement of the product, cooling, screening, coating and packaging to obtain the finished product.
Example 2
The high-concentration phosphorus-based compound fertilizer comprises, by weight, 30 parts of monoammonium phosphate, 45 parts of urea, 25 parts of calcium superphosphate, 20 parts of ammonium chloride, 18 parts of potassium chloride, 40 parts of sweet potato type citric acid residues, 45 parts of vinasse, 34 parts of attapulgite, 28 parts of EDTA chelated zinc, 27 parts of amino acid chelated iron, 24 parts of edible fungus residues, 20 parts of biological agents, 31 parts of mineral fertilizers, 27 parts of monosodium glutamate residues and 26 parts of cake meal.
The preparation method of the high-concentration phosphorus-based compound fertilizer is characterized by comprising the following steps of:
(1) respectively crushing sweet potato residues, vinasse, edible fungus residues, monosodium glutamate residues and cake dregs, sieving with a 80-mesh sieve, uniformly mixing, fermenting for 12 days at 35 ℃, stirring once in the morning and at night every day, wherein the stirring time is 35 minutes each time, and the stirring speed is 85 rpm, so as to obtain a material 1;
(2) putting monoammonium phosphate, urea, ammonium chloride, attapulgite, EDTA chelated zinc, amino acid chelated iron, biological bacteria, mineral fertilizer, potassium chloride and the material 1 into a mixer, uniformly stirring, conveying the mixture into a grinding machine through a metering belt, and grinding the mixture until the particle size can pass through a 100-mesh sieve to obtain a material 2;
(3) adding acid into the material 2 fed into the granulator, and introducing ammonia gas for granulating to obtain a material 3 with a proper particle specification;
(4) and (3) putting the material 3 in a drier, introducing hot air for 55 minutes with the air volume of 2000m & lt 3 & gt/h, heating, evaporating water to meet the water content requirement of the product, cooling, screening, coating and packaging to obtain the finished product.
Example 3
The high-concentration phosphorus-based compound fertilizer is characterized by comprising, by weight, 11 parts of monoammonium phosphate, 20 parts of urea, 10 parts of calcium superphosphate, 10 parts of ammonium chloride, 6 parts of potassium chloride, 22 parts of sweet potato type citric acid residues, 15 parts of vinasse, 12 parts of attapulgite, 8 parts of EDTA chelated zinc, 10 parts of amino acid chelated iron, 11 parts of edible fungus residues, 10 parts of biological fungicide, 11 parts of mineral fertilizer, 10 parts of monosodium glutamate residues and 9 parts of cake meal.
The preparation method of the high-concentration phosphorus-based compound fertilizer is characterized by comprising the following steps of:
(1) respectively crushing sweet potato residues, vinasse, edible fungus residues, monosodium glutamate residues and cake dregs, sieving by a 60-mesh sieve, uniformly mixing, fermenting for 6 days at 25 ℃, stirring once in the morning and at night every day, wherein the stirring time is 18 minutes each time, and the stirring speed is 42 rpm, so as to obtain a material 1;
(2) putting monoammonium phosphate, urea, ammonium chloride, attapulgite, EDTA chelated zinc, amino acid chelated iron, biological bacteria, mineral fertilizer, potassium chloride and the material 1 into a mixer, uniformly stirring, conveying the mixture into a grinding machine through a metering belt, and grinding the mixture until the particle size can pass through a 80-mesh sieve to obtain a material 2;
(3) adding acid into the material 2 fed into the granulator, and introducing ammonia gas for granulating to obtain a material 3 with a proper particle specification;
(4) and (3) putting the material 3 in a drier, introducing hot air for 35 minutes with the air volume of 2000m & lt 3 & gt/h, heating, evaporating water to meet the water content requirement of the product, cooling, screening, coating and packaging to obtain the finished product.
Example 4
28 parts of monoammonium phosphate, 40 parts of urea, 22 parts of calcium superphosphate, 20 parts of ammonium chloride, 15 parts of potassium chloride, 40 parts of sweet potato type citric acid residues, 42 parts of vinasse, 30 parts of attapulgite, 25 parts of EDTA chelated zinc, 23 parts of amino acid chelated iron, 20 parts of edible fungus residues, 18 parts of biological agents, 27 parts of mineral fertilizers, 20 parts of monosodium glutamate residues and 23 parts of cake meal.
A preparation method of a high-concentration phosphorus-based compound fertilizer comprises the following steps:
(1) respectively crushing sweet potato residues, vinasse, edible fungus residues, monosodium glutamate residues and cake dregs, sieving by a 60-mesh sieve, uniformly mixing, fermenting for 12 days at 35 ℃, stirring once in the morning and at night every day, wherein the stirring time is 35 minutes each time, and the stirring speed is 85 rpm, so as to obtain a material 1;
(2) putting monoammonium phosphate, urea, ammonium chloride, attapulgite, EDTA chelated zinc, amino acid chelated iron, biological bacteria, mineral fertilizer, potassium chloride and the material 1 into a mixer, uniformly stirring, conveying the mixture into a grinding machine through a metering belt, and grinding the mixture until the particle size can pass through a 80-mesh sieve to obtain a material 2;
(3) adding acid into the material 2 fed into the granulator, and introducing ammonia gas for granulating to obtain a material 3 with a proper particle specification;
(4) and (3) putting the material 3 in a drier, introducing hot air for heating, evaporating water to meet the water content requirement of the product, cooling, screening, coating and packaging to obtain a finished product.
Example 5
The high-concentration phosphorus-based compound fertilizer is characterized by comprising, by weight, 20 parts of monoammonium phosphate, 28 parts of urea, 16 parts of calcium superphosphate, 15 parts of ammonium chloride, 9 parts of potassium chloride, 28 parts of sweet potato type citric acid residues, 21 parts of vinasse, 24 parts of attapulgite, 18 parts of EDTA chelated zinc, 19 parts of amino acid chelated iron, 15 parts of edible fungus residues, 16 parts of biological fungicide, 15 parts of mineral fertilizer, 16 parts of monosodium glutamate residues and 15 parts of cake meal.
The preparation method of the high-concentration phosphorus-based compound fertilizer is characterized by comprising the following steps of:
(1) respectively crushing sweet potato residues, vinasse, edible fungus residues, monosodium glutamate residues and cake dregs, sieving with a 70-mesh sieve, uniformly mixing, fermenting for 9 days at 28 ℃, stirring once in the morning and at night every day, wherein the stirring time is 22 minutes each time, and the stirring speed is 55 revolutions per minute to obtain a material 1;
(2) putting monoammonium phosphate, urea, ammonium chloride, attapulgite, EDTA chelated zinc, amino acid chelated iron, biological bacteria, mineral fertilizer, potassium chloride and the material 1 into a mixer, uniformly stirring, conveying the mixture into a grinding machine through a metering belt, and grinding the mixture until the particle size can pass through a 90-mesh sieve to obtain a material 2;
(3) adding acid into the material 2 fed into the granulator, and introducing ammonia gas for granulating to obtain a material 3 with a proper particle specification;
(4) and (3) putting the material 3 in a drier, introducing hot air for 40 minutes with the air volume of 2000m & lt 3 & gt/h, heating, evaporating water to meet the water content requirement of the product, cooling, screening, coating and packaging to obtain the finished product.
The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The high-concentration phosphorus-based compound fertilizer is characterized by comprising the following components: monoammonium phosphate, urea, calcium superphosphate, ammonium chloride, potassium chloride, sweet potato type citric acid residues, vinasse, attapulgite, EDTA chelated zinc, amino acid chelated iron, edible fungus residues, biological agents, mineral fertilizers, monosodium glutamate residues and cake dregs.
2. The high-concentration phosphorus-based compound fertilizer as claimed in claim 1, wherein the fertilizer comprises, by weight, 10-30 parts of monoammonium phosphate, 20-45 parts of urea, 10-25 parts of calcium superphosphate, 9-20 parts of ammonium chloride, 6-18 parts of potassium chloride, 20-40 parts of sweet potato type citric acid residues, 15-45 parts of vinasse, 12-34 parts of attapulgite, 8-28 parts of EDTA chelated zinc, 10-27 parts of amino acid chelated iron, 11-24 parts of edible mushroom residues, 10-20 parts of biological agents, 11-31 parts of mineral fertilizers, 10-27 parts of monosodium glutamate residues and 9-26 parts of cake dregs.
3. The high-concentration phosphorus-based compound fertilizer as claimed in claim 1, wherein the compound fertilizer comprises, by weight, 11-28 parts of monoammonium phosphate, 20-40 parts of urea, 10-22 parts of calcium superphosphate, 10-20 parts of ammonium chloride, 6-15 parts of potassium chloride, 22-40 parts of sweet potato type citric acid residues, 15-42 parts of vinasse, 12-30 parts of attapulgite, 8-25 parts of EDTA chelated zinc, 10-23 parts of amino acid chelated iron, 11-20 parts of edible mushroom residues, 10-18 parts of biological agents, 11-27 parts of mineral fertilizers, 10-20 parts of monosodium glutamate residues and 9-23 parts of cake dregs.
4. The high-concentration phosphorus-based compound fertilizer according to any one of claims 1 to 3, wherein the monosodium glutamate residue comprises solid residues remaining after fermentation of a medium consisting of sucrose, molasses, starch and ammonium salts.
5. The high-concentration phosphorus-based compound fertilizer according to any one of claims 1 to 3, wherein the cake comprises at least one of soybean cake, cottonseed cake, rapeseed cake, sunflower cake and flax cake.
6. The high-concentration phosphorus-based compound fertilizer according to any one of claims 1 to 3, wherein the mineral fertilizer is prepared from the following raw materials in parts by weight: 5-8 parts of zinc sulfate, 1-3 parts of phosphogypsum and 2-5 parts of coal ash.
7. A method for producing a high-concentration phosphorus-based compound fertilizer according to any one of claims 1 to 6, wherein said production method comprises the steps of:
(1) respectively crushing sweet potato residues, vinasse, edible fungus residues, monosodium glutamate residues and cake dregs, sieving the crushed materials with a sieve of 60-80 meshes, uniformly mixing the materials, fermenting the mixture for 6-12 days at 25-35 ℃, stirring the mixture once in the morning and evening every day for 18-35 minutes every time at a stirring speed of 42-85 rpm to obtain a material 1;
(2) putting monoammonium phosphate, urea, ammonium chloride, attapulgite, EDTA chelated zinc, amino acid chelated iron, biological bacteria, mineral fertilizer, potassium chloride and the material 1 into a mixer, uniformly stirring, conveying the mixture into a grinding machine through a measuring belt, grinding the mixture until the particle size can pass through a sieve with 80-100 meshes, and obtaining a material 2;
(3) adding acid into the material 2 fed into the granulator, and introducing ammonia gas for granulating to obtain a material 3 with a proper particle specification;
(4) and (3) putting the material 3 in a drier, introducing hot air for heating, evaporating water to meet the water content requirement of the product, cooling, screening, coating and packaging to obtain a finished product.
8. The method for preparing a high-concentration phosphorus-based compound fertilizer according to claim 7, wherein the particle size of the monoammonium phosphate, urea, ammonium chloride and potassium chloride in the step (2) is less than 20 mm.
9. The preparation method of the high-concentration phosphorus-based compound fertilizer as claimed in claim 7, wherein the time of introducing hot air in the step (4) is 35-55 minutes, and the air volume of the hot air is 2000m 3/h; the content of the evaporated water is 80-91%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149765A (en) * | 2021-05-10 | 2021-07-23 | 嘉施利（应城）化肥有限公司 | Stable long-acting compound fertilizer and preparation method thereof |
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| CN104262017A (en) * | 2014-10-10 | 2015-01-07 | 潘虹 | Special compound fertilizer for broomcorn |
| CN108586104A (en) * | 2018-07-31 | 2018-09-28 | 刘海燕 | A kind of composite fertilizer for family planting |
| CN110734340A (en) * | 2019-12-03 | 2020-01-31 | 湖南金信复合肥有限公司 | carbamido organic compound fertilizer and preparation method thereof |
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2020
- 2020-06-02 CN CN202010489490.1A patent/CN111548238A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104262017A (en) * | 2014-10-10 | 2015-01-07 | 潘虹 | Special compound fertilizer for broomcorn |
| CN108586104A (en) * | 2018-07-31 | 2018-09-28 | 刘海燕 | A kind of composite fertilizer for family planting |
| CN110734340A (en) * | 2019-12-03 | 2020-01-31 | 湖南金信复合肥有限公司 | carbamido organic compound fertilizer and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149765A (en) * | 2021-05-10 | 2021-07-23 | 嘉施利（应城）化肥有限公司 | Stable long-acting compound fertilizer and preparation method thereof |
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Application publication date: 20200818 |