CN104446968A - Water-soluble high-concentration organic-inorganic compound fertilizer for trickle and sprinkling irrigation and preparation method thereof - Google Patents
Water-soluble high-concentration organic-inorganic compound fertilizer for trickle and sprinkling irrigation and preparation method thereof Download PDFInfo
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- CN104446968A CN104446968A CN201410695186.7A CN201410695186A CN104446968A CN 104446968 A CN104446968 A CN 104446968A CN 201410695186 A CN201410695186 A CN 201410695186A CN 104446968 A CN104446968 A CN 104446968A
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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
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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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Abstract
The invention relates to a water-soluble high-concentration organic-inorganic compound fertilizer for trickle and sprinkling irrigation and a preparation method thereof, belongs to the technical field of integration of water and fertilizer and high concentration organic-inorganic compound fertilizers. The fertilizer comprises the following components in percentage by weight: 35-70% of urea or 40-70% of modified nitramine, 5-40% of water-soluble phosphatic fertilizer, 0-35% of water-soluble potassic fertilizer, 20-40% of water-soluble organic matters, 0.05-0.1% of a water-soluble fertilizer synergist, 0.1-10% of water-soluble chelating medium trace elements and 0.1-10% of a plant growth adjustor. Nitrogen, phosphorus and potassium account for 30-50% of the prepared water-soluble high-concentration organic-inorganic compound fertilizer for trickle and sprinkling irrigation and the organic matters account for 15-25% of the prepared water-soluble high-concentration organic-inorganic compound fertilizer for trickle and sprinkling irrigation. The water-soluble high-concentration organic-inorganic compound fertilizer is good in solubility, can be matched with trickle and sprinkling irrigation equipment and achieves integration of water and fertilizer; the utilization ratios of nitrogen, phosphorus and potassium and trace elements are high, and the fertilizer has the advantages of improving the soil environment, adjusting crop growth, enhancing stress resistance of the crop, and improving the quality of crops.
Description
Technical field
The present invention relates to a kind of organic-inorganic complex fertilizer and preparation method thereof, particularly relate to a kind of dripping and spray with water-soluble high density organic-inorganic complex fertilizer and preparation method thereof, belong to water-fertilizer integral and high density organic-inorganic composite fertilizer technical field.
Background technology
The Integration of Water into Fertilizer refers to and carries out comprehensive regulation and integrated management to Farmland Water and nutrient, with fertile water transfer, short fertile with water, General Promotion liquid manure utilising efficiency, comprise punching execute, drench execute, spray, the application model such as drip irrigation.Punching is executed, drench that the lower grade mode water consumption such as to execute large, water and fertilizer utilization is low, its unemployed fertilizer penetrates into soil layer or leaching in underground water, easily cause the environmental problem such as soil compaction, water pollution, and spray, not only water and fertilizer utilization is high for the fine mode such as drip irrigation, but also can significantly reduce labour intensity, raise labour efficiency, promote in China and grow up rapidly.
At present, for dripping the water-soluble fertilizer of sprinkling irrigation as macroelement Water soluble fertilizer on market, nutrient content is high, and price is relatively costly, and supply flowers etc. are worth higher crop, for producing the then high cost such as vegetables and fruit tree in a large number mostly; Liquid fertilizer is as contained amino acid water-soluble fertilizer, and because packing cost is high, transport difficulty large, spread is more difficult.Some are with raw materials such as urea or modified ammonium nitrate, industrial monoammonium phosphate or potassium primary phosphate, potassium sulfate or Repone K, adopt high-tower melting granulation technique, produce water soluble composite fertilizer; Or by adding the water soluble organic substances such as amino acid, humic acid, Lalgine, xylogen, produce enhanced fertilizer.But these products only can provide nitrogen, phosphorus, potassium usually, and cannot provide the abundant organic matter for improveing soil and coordinate plant growth, in fertigation, peasant household also can impose separately the fertilizer after macerating rotten and cascade filtration.Most organic-inorganic complex fertilizer on market is poorly soluble, and residue is many, very easily blocks Irrigation and fertilization system.Along with water-fertilizer integral accept by increasing peasant household and use, peasant household in the urgent need to good, the inorganic organotrophy equilibrium of solvability organic-inorganic complex fertilizer be used for drip a sprinkler irrigation fertilization.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of and drip sprinkling irrigation water-soluble high density organic-inorganic complex fertilizer and preparation method thereof.
The technical solution used in the present invention is for achieving the above object:
A kind of dripping is sprayed with water-soluble high density organic-inorganic complex fertilizer, and nitrogen, phosphorus, potassium content are 30 ~ 50%, and organic content is 15 ~ 25%; By mass percentage, urea 35 ~ 70%, water soluble phosphorous fertilizer 5 ~ 40%, water soluble potassic fertilizer 0 ~ 35%, water soluble organic substance 20 ~ 40%, water-soluble chelating medium trace element 0.1 ~ 10%, plant-growth regulator 0. 1 ~ 10%.
Described water soluble phosphorous fertilizer is one or more combinations in potassium primary phosphate, dipotassium hydrogen phosphate, industrial grade monoammonium phosphate, ammonium low polyphosphate;
Described water soluble potassic fertilizer is one or more combinations in potassium sulfate, Repone K, saltpetre, Rapisol;
Described water soluble organic substance is one or more combinations in water-soluble potassium fulvate, water-soluble potassium humate, water-soluble ammonium humate, water soluble nitro potassium humate;
Described humic-acid kind water soluble organic substance can promote the formation of soil aggregate, strengthens soil permeability, improves soil exchange capacity, buffering acid basicity, improves soil water-retaining, fertilizer-preserving ability; Soil microorganisms growth metabolism can be promoted, accelerate organic decomposition and inversion, promote nutritive element release, be convenient to Crop nutrition; The complex compound with slow-releasing can be generated with urea effect, improve the utilization ratio of nitrogen; Can and metal ion between there is sequestering action, generate fulvo acid chelated microelement easily absorbed by crops, improve trace element utilization ratio.In addition, itself also can stimulating plant physiological metabolism, promotes to nourish and grow and reproductive growth, strengthens the ability such as its drought resisting, cold-resistant, anti-saline and alkaline, disease and insect resistance, improves crop yield, improve crop quality.
Described water-soluble chelating medium trace element is one or more combinations in water-soluble chelating calcium, water-soluble chelated magnesium, water-soluble chelated iron, water-soluble chelated copper, water-soluble Chelated Manganese, water-soluble chelated zinc;
Described plant-growth regulator is one or more combinations in sodium nitrophenolate, amine DA-6, Nafusaku, brassinolide.
Described water soluble organic substance be by one or more combinations in potassium fulvate, potassium humate, ammonium humate, nitro humus acid potassium through dissolving, filtering, the water soluble organic substance that obtains after concentrated, drying treatment.
Described urea can also replace with modified ammonium nitrate, and weight ratio shared by described modified ammonium nitrate is 40 ~ 70%, and described modified ammonium nitrate is one or both combinations in ammonium nitrate phosphorus, nitrophosphate fertilizer.
Droplet sprinkling irrigation preparation method of water-soluble high density organic-inorganic complex fertilizer, comprises the following steps:
(1) urea is joined in fusion tank, be warming up to 100 ~ 130 DEG C, obtain urea melting liquid;
(2) water soluble potassic fertilizer, water soluble phosphorous fertilizer and urea melting liquid are passed into one-level tempering tank, the temperature controlled in one-level tempering tank is 90 ~ 120 DEG C, obtains slip after mixing;
(3) by step 2) slip that obtains passes in high tower secondary tempering tank, and in secondary tempering tank, add water soluble organic substance, water-soluble chelating medium trace element and plant-growth regulator, the temperature controlled in secondary tempering tank is 90 ~ 120 DEG C, makes mobility melting charge slurry after mixing;
(4) mobility melting charge slurry is passed into high tower granulator and carry out granulation;
(5) particle of step 4) gained can be obtained after cooling, screening, coating drip the water-soluble high density organic-inorganic complex fertilizer of sprinkling irrigation.
Urea can be replaced one or both combinations in ammonium nitrate phosphorus, nitrophosphate fertilizer, then, the temperature in step 1) in fusion tank is 160 ~ 185 DEG C, step 2) and 3) middle one-level tempering tank, temperature in secondary tempering tank be 130 ~ 165 DEG C.
Of the present invention sprinkling irrigation dissolves in irrigation water with water-soluble high density organic-inorganic complex fertilizer and is applied on vegetables, fruit tree and field crop by dripping sprinkler irrigation fertilization system.
One provided by the invention drips sprinkling irrigation water-soluble high density organic-inorganic complex fertilizer and preparation method thereof, has following beneficial effect:
1, the present invention's water-soluble high density organic-inorganic complex fertilizer solvability is good, can coordinate spray drip irrigation equipment, realize water-fertilizer integral, and nutrient supply and crop nutrition content absorbing rule match, and significantly can also reduce labor intensity simultaneously, raise labour efficiency;
2, the water-soluble high density organic-inorganic complex fertilizer of the present invention can provide nitrogen, phosphorus, potassium nutrition for crop, and again containing organic, comprehensive nutrition is balanced, can improve edatope, strengthens crop anti-adversity, promotes plant growth, improves crop quality;
3, the present invention's water-soluble high density organic-inorganic complex fertilizer is containing a large amount of organism trace element to sequestering action, and micro-utilization ratio is high;
4, the present invention's water-soluble high density organic-inorganic complex fertilizer nutrient content is high, compared with common organic-inorganic complex fertilizer, can save a large amount of trucking costs;
5, the utilization rate of fertilizer of the present invention's water-soluble high density organic-inorganic complex fertilizer 60 ~ 100 ﹪s higher than existing conventional water-soluble composite fertilizer.Compared with conventional water-soluble composite fertilizer, use identical amount fertilizer, crop yield 20 ~ 60 ﹪.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail.
Embodiment 1:
The following fertilizer of preparation proportioning: by weight, urea 600Kg, industrial grade monoammonium phosphate 100Kg, potassium sulfate 45Kg, water-soluble potassium fulvate 200Kg, water-soluble ammonium humate 40Kg, Water Soluble Compound chelating medium trace element 10Kg, sodium nitrophenolate 5Kg.
The preparation of fertilizer: by urea, industrial grade monoammonium phosphate, potassium sulfate, water-soluble potassium fulvate, water-soluble ammonium humate is mentioned in high top of tower feed bin with lift respectively, urea through metering send in fusion tank be melt into urea soln and overflow to tempering tank, potassium sulfate, potassium primary phosphate is through being metered into one-level tempering tank, water-soluble potassium fulvate, water-soluble ammonium humate, Water Soluble Compound chelating medium trace element and sodium nitrophenolate are through being metered into secondary tempering tank, chelating, enter tablets press after mixing and carry out sprinkling pelleting, through cooling, screening, after coating, packaging is dispatched from the factory.
Embodiment 2:
The following fertilizer of preparation proportioning: by weight, ammonium nitrate phosphorus 675Kg, potassium primary phosphate 60Kg, potassium sulfate 35Kg, water-soluble potassium fulvate 215Kg, Water Soluble Compound chelating medium trace element 10Kg, amine DA-6 5Kg.
The preparation of fertilizer: ammonium nitrate phosphorus, potassium primary phosphate, potassium sulfate, water-soluble potassium fulvate are mentioned in high top of tower feed bin with lift respectively; ammonium nitrate phosphorus through metering send in fusion tank be melt into ammonium nitrate solution and overflow to tempering tank; potassium sulfate, potassium primary phosphate are through being metered into one-level tempering tank; water-soluble potassium fulvate, Water Soluble Compound chelating medium trace element and amine DA-6 are through being metered into secondary tempering tank; enter tablets press after chelating, mixing and carry out sprinkling pelleting, pack after cooling, screening, coating and dispatch from the factory.
Embodiment 3:
The following fertilizer of preparation proportioning: by weight, urea 400Kg, industrial grade monoammonium phosphate 228Kg, potassium sulfate 150Kg, water-soluble potassium fulvate 215Kg, Water Soluble Compound chelating medium trace element 5Kg, amine DA-6 2Kg.
The preparation of fertilizer: urea, industrial grade monoammonium phosphate, potassium sulfate, water-soluble potassium fulvate are mentioned in high top of tower feed bin with lift respectively; urea through metering send in fusion tank be melt into urea soln and overflow to tempering tank; potassium sulfate, industrial grade monoammonium phosphate are through being metered into one-level tempering tank; water-soluble potassium fulvate, Water Soluble Compound chelating medium trace element and amine DA-6 are through being metered into secondary tempering tank; enter tablets press after chelating, mixing and carry out sprinkling pelleting, pack after cooling, screening, coating and dispatch from the factory.
Embodiment 4:
The following fertilizer of preparation proportioning: by weight, ammonium nitrate phosphorus 430Kg, potassium primary phosphate 175Kg, potassium sulfate 155Kg, water-soluble potassium fulvate 215Kg, Water Soluble Compound chelating medium trace element 20Kg, sodium nitrophenolate 5Kg.
The preparation of fertilizer: ammonium nitrate phosphorus, potassium primary phosphate, potassium sulfate, water-soluble potassium fulvate are mentioned in high top of tower feed bin with lift respectively; ammonium nitrate phosphorus through metering send in fusion tank be melt into ammonium nitrate solution and overflow to tempering tank; potassium sulfate, potassium primary phosphate are through being metered into one-level tempering tank; water-soluble potassium fulvate, Water Soluble Compound chelating medium trace element and sodium nitrophenolate are through being metered into secondary tempering tank; enter tablets press after chelating, mixing and carry out sprinkling pelleting, pack after cooling, screening, coating and dispatch from the factory.
Embodiment 5:
The following fertilizer of preparation proportioning: by weight, urea 400Kg, potassium primary phosphate 157Kg, potassium sulfate 225Kg, water-soluble potassium fulvate 215Kg, Water Soluble Compound chelating medium trace element 2Kg, brassinolide 1Kg.
The preparation of fertilizer: urea, potassium primary phosphate, potassium sulfate, water-soluble potassium fulvate are mentioned in high top of tower feed bin with lift respectively; urea through metering send in fusion tank be melt into urea soln and overflow to tempering tank; potassium sulfate, potassium primary phosphate are through being metered into one-level tempering tank; water-soluble potassium fulvate, Water Soluble Compound chelating medium trace element and brassinolide are through being metered into secondary tempering tank; enter tablets press after chelating, mixing and carry out sprinkling pelleting, pack after cooling, screening, coating and dispatch from the factory.
Embodiment 6:
The following fertilizer of preparation proportioning: by weight, ammonium nitrate phosphorus 425Kg, potassium primary phosphate 60Kg, potassium sulfate 290Kg, water-soluble potassium fulvate 215Kg, Water Soluble Compound chelating medium trace element 5Kg, amine DA-6 5Kg.
The preparation of fertilizer: potassium fulvate after ammonium nitrate phosphorus, potassium primary phosphate, potassium sulfate, special processing is mentioned in high top of tower feed bin with lift respectively; ammonium nitrate phosphorus through metering send in fusion tank be melt into ammonium nitrate solution and overflow to tempering tank; potassium sulfate, potassium primary phosphate are through being metered into one-level tempering tank; water-soluble potassium fulvate, Water Soluble Compound chelating medium trace element and amine DA-6 are through being metered into secondary tempering tank; enter tablets press after chelating, mixing and carry out sprinkling pelleting, pack after cooling, screening, coating and dispatch from the factory.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. drip the water-soluble high density organic-inorganic complex fertilizer of sprinkling irrigation, it is characterized in that: nitrogen, phosphorus, potassium content are 30 ~ 50%, organic content is 15 ~ 25%; By mass percentage, urea 35 ~ 70%, water soluble phosphorous fertilizer 5 ~ 40%, water soluble potassic fertilizer 0 ~ 35%, water soluble organic substance 20 ~ 40%, water-soluble chelating medium trace element 0.1 ~ 10%, plant-growth regulator 0. 1 ~ 10%.
2. one according to claim 1 drips the water-soluble high density organic-inorganic complex fertilizer of sprinkling irrigation, it is characterized in that:
Described water soluble phosphorous fertilizer is one or more combinations in potassium primary phosphate, dipotassium hydrogen phosphate, industrial grade monoammonium phosphate, ammonium low polyphosphate;
Described water soluble potassic fertilizer is one or more combinations in potassium sulfate, Repone K, saltpetre, Rapisol;
Described water soluble organic substance is one or more combinations in water-soluble potassium fulvate, water-soluble potassium humate, water-soluble ammonium humate, water soluble nitro potassium humate;
Described water-soluble chelating medium trace element is one or more combinations in water-soluble chelating calcium, water-soluble chelated magnesium, water-soluble chelated iron, water-soluble chelated copper, water-soluble Chelated Manganese, water-soluble chelated zinc;
Described plant-growth regulator is one or more combinations in sodium nitrophenolate, amine DA-6, Nafusaku, brassinolide.
3. one according to claim 2 drips sprinkling irrigation with water-soluble high density organic-inorganic complex fertilizer, it is characterized in that: described water soluble organic substance be by one or more combinations in potassium fulvate, potassium humate, ammonium humate, nitro humus acid potassium through dissolving, filtering, the water soluble organic substance that obtains after concentrated, drying treatment.
4. dripping according to claim 1-3 any one is sprayed with water-soluble high density organic-inorganic complex fertilizer, it is characterized in that: described urea can also replace with modified ammonium nitrate, weight ratio shared by described modified ammonium nitrate is 40 ~ 70%, and described modified ammonium nitrate is one or both combinations in ammonium nitrate phosphorus, nitrophosphate fertilizer.
5. drip a preparation method for the water-soluble high density organic-inorganic complex fertilizer of sprinkling irrigation, it is characterized in that, comprise the following steps:
(1) urea is joined in fusion tank, be warming up to 100 ~ 130 DEG C, obtain urea melting liquid;
(2) water soluble potassic fertilizer, water soluble phosphorous fertilizer and urea melting liquid are passed into one-level tempering tank, the temperature controlled in one-level tempering tank is 90 ~ 120 DEG C, obtains slip after mixing;
(3) by step 2) slip that obtains passes in high tower secondary tempering tank, and in secondary tempering tank, add water soluble organic substance, water-soluble chelating medium trace element and plant-growth regulator, the temperature controlled in secondary mixer is 90 ~ 120 DEG C, makes mobility melting charge slurry after mixing;
(4) mobility melting charge slurry is passed into high tower granulator and carry out granulation;
(5) particle of step 4) gained can be obtained after cooling, screening, coating drip the water-soluble high density organic-inorganic complex fertilizer of sprinkling irrigation.
6. spray by the preparation method of water-soluble high density organic-inorganic complex fertilizer for according to claim 5, it is characterized in that: urea replaces with one or both combinations in ammonium nitrate phosphorus, nitrophosphate fertilizer, then, temperature in step 1) in fusion tank is 160 ~ 185 DEG C, step 2) and 3) in one-level tempering tank, temperature in secondary tempering tank be 130 ~ 165 DEG C.
7. the water-soluble high density organic-inorganic complex fertilizer of sprinkling irrigation that drips described in any one of claim 1-6 passes through to drip the application of sprinkler irrigation fertilization system on vegetables, fruit tree and field crop.
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