CN102807443B - High-efficiency all-nutritional corn special fertilizer prepared by granulation of tower-type melt and production method thereof - Google Patents
High-efficiency all-nutritional corn special fertilizer prepared by granulation of tower-type melt and production method thereof Download PDFInfo
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Abstract
The invention discloses a high-efficiency all-nutritional corn special fertilizer prepared by the granulation of a tower-type melt and a production method thereof, and relates to the technical field of special fertilizers of crop formulas. The high-efficiency all-nutritional corn special fertilizer is prepared from 450 to 650 weight parts of urea, 150 to 300 weight parts of potassium chloride, 100 to 300 weight parts of monoammonium phosphate, 5 to 10 weight parts of fertilizer synergist, 2 to 40 weight parts of sodium silicate, 2 to 8 weight parts of sodium octaborate tetrahydrate and 2 to 12 weight parts of chelate zinc fertilizer which serve as raw materials through the granulation of the tower-type melt. The corn special fertilizer has the advantages of improving the yield and quality of corn, improving soil and soil fertility and reducing labor intensity along with comprehensive nutrition, high utilization rate and one-time fertilization.
Description
Technical field
The present invention relates to farm crop formula special fertilizer technical field, be specifically related to a kind of corn fertilizer.
Background technology
Corn is annual gramineae herbaceous plant, is important food crop and feed resource, is also the highest food crop of whole world ultimate production.Corn is the second largest food crop that China is only second to wheat, national maize sown area and output account for respectively foodstuff planting area 26% and total output of grain 30%.In China, corn grain, warp, raise dual-purpose, the whole national economic development is had to tremendous influence.
Corn growth need to absorb multiple mineral nutrient element from soil, and wherein maximum with nitrogen, potassium takes second place, and phosphorus occupies the 3rd.100 kilograms of seeds of general every production need absorb 2.5 kilograms of purity nitrogens, 1.2 kilograms of Vanadium Pentoxide in FLAKESs, 2.0 kilograms of potassium oxides from soil.Nitrogen phosphoris and potassium fertilizer ratio is: 1: 0.48: 0.8.And boron, zinc, element silicon is to improving the yield and quality important role of corn, boron can promote that pollen is sound grows, favourable pollination, fertilization, and then make solid full; The effect of zinc is to affect the synthetic of growth hormone, and in photosynthesis and protein building-up process, plays a driving role; Silicon, as the beneficial element of plant-growth, can promote the absorption of corn to N, P, K, Zn not increasing the further yield increase effect that improves fertilizer on the fertile basis of NPK, alleviates the antagonistic action between corn nourishment critical period P, Zn.
Fertilizer, as " grain " of corn, plays decisive role to the yield and quality of corn.
For all kinds of compound (mixing) fertilizer of corn growth, there is following problem at present:
1, life-time service can make soil become to harden, and soil fertility weakens, and the crumb structure of soil is destroyed serious, havoc ecotope.
2, fertilizer nutrient is inhomogeneous, and the fertile phase is short, and nutrient element releasing rule cannot match with corn law of nutritive absorption, need topdress, and causes labor waste.
3, the utilization ratio of fertilizer is low, easily causes the fixing of nutrient and runs off, and not only wastes resource, and easy contaminate environment.
4, not comprehensive nutrition, general containing boron, silicon, zinc element that corn yield and quality are significantly increased, cause the not high or quality of corn yield to decline.
Summary of the invention
The present invention seeks to for the deficiencies in the prior art, on the basis of high tower fused melt granulated compound fertilizer device, according to the nutrient uptake feature of corn growth, carry out scientific and reasonable formula, a kind of tower fused mass granulating high-efficiency total nutrient corn fertilizer and production method thereof are provided.
Technical scheme of the present invention is as follows:
The tower fused mass granulating high-efficiency total nutrient of the present invention corn fertilizer, feed composition weight part is as follows:
Urea 450-650 part,
Repone K 150-300 part,
Monoammonium phosphate 100-300 part,
Fertilizer synergist 5-10 part,
Water glass 2-40 part,
Four water eight Sodium Tetraborate 2-8 parts,
Fertilizer of chelated zinc 2-12 part;
Above-mentioned raw materials is commercially available, wherein:
Described urea is small particle urea, nitrogen content >=46.2%, and particle diameter is 0.85mm-2.80mm;
Described monoammonium phosphate is common powdery monoammonium phosphate, and nutrient content is 66%;
Described Repone K is white powder, and potassium oxide content is 62%;
Described fertilizer synergist, by Chinese Academy of Sciences's Shenyang ecological Studies are developed, is comprised of urease inhibitor, nitrification inhibitor and phosphorus element activator, i.e. NAM;
Described water glass is Powdered, and quality index is: dioxide-containing silica is greater than 60%, and fineness is that 100 order sieving rates are greater than 95%;
Described four water eight Sodium Tetraborate Na2B8O134H
2o is white fine powder, and purity is greater than 99.9%, and boron content is 20.8-21.17%;
Described fertilizer of chelated zinc EDTA-ZnNa2 is white powder, chelated zinc content >=15%, and ShenFang,SiChuan Lian Yi Chemical Co., Ltd. produces;
Content in above-mentioned raw materials is mass percent, and except small particle urea, all the other raw material particle sizes are all within the scope of 0-1 millimeter.
The further preferred feed composition weight part of the tower fused mass granulating high-efficiency total nutrient of the present invention corn fertilizer is as follows:
Urea 515-525 part,
Repone K 240-245 part,
Monoammonium phosphate 175-185 part,
Fertilizer synergist 7-9 part,
Water glass 30-40 part,
Four water eight Sodium Tetraborate 4-6 parts,
Fertilizer of chelated zinc 9-11 part.
The tower fused mass granulating high-efficiency total nutrient of the present invention corn fertilizer, optimum feed composition weight part is as follows:
520 parts, urea,
242 parts, Repone K,
180 parts of monoammonium phosphates,
8 parts of fertilizer synergists,
35 parts of water glass,
Four 5 parts of water eight Sodium Tetraboratees,
10 parts of fertilizer of chelated zinc.
The production method of the tower fused mass granulating high-efficiency total nutrient of the present invention corn fertilizer, comprises following processing step:
Step 1: raw material urea, through 130 ℃ of-140 ℃ of high-temperature fusion, is entered in dashpot, then through transferpump pressurization, deliver to after metering in tower top tempering tank;
Step 2: after raw material Repone K, monoammonium phosphate, fertilizer synergist, four water eight Sodium Tetraboratees, water glass, fertilizer of chelated zinc are measured according to proportioning respectively, send in agitator and fully mix, mixing raw material is sent in batch mixing well heater after crushing and screening, be heated to 85 ℃-100 ℃, by chapelet, rise to tower top feed bin;
Step 3: the batch mixing after heating in tower top feed bin in step 2 is evenly sent into after metering described in step 1 in tempering tank through spiral metering scale, through high speed shear stirrer, be mixed and made into scattered paste shape material, temperature is controlled at 100 ℃-120 ℃, after vibrations strainer filters out granule foreign, overflow is to prilling spry, under shower nozzle rotational shear centrifugal action, mixture is evenly sprayed to glomerate small droplets, the small droplets falling from shower nozzle spray is 12-20 rice at diameter, height is slowly to fall in the tower of 105-120 rice, through with tower in upstream heat exchange after be cooled to 45 ℃-65 ℃, obtain special fertilizer particle, again after cooling, screening and anti-caking are processed, metering, packing.
Having the following advantages of the present invention's tower fused mass granulating high-efficiency total nutrient corn fertilizer:
1, mixed slurry preparation technology is unique, energy-saving and cost-reducing
The present invention carrys out granulation without adding moisture and steam and bonding material in process of production, prevents from, because Moisture high UCL lumps, need not drying, without " three wastes " discharge, energy-saving and cost-reducing.
2, nutrient is comprehensive, fertilizer equalization stable, improvement soil, culture fertility
On microcosmic molecular level, the raw materials such as urea, Repone K, monoammonium phosphate, fertilizer synergist NAM, four water eight Sodium Tetraboratees, water glass, fertilizer of chelated zinc are fused into an organic nutrient integral body, by the mutual synergy between various nutrients, form balanced stable nutrient unit, guaranteed that the equilibrium of fertilizer nutritive ingredient is with stable.
Use after corn fertilizer of the present invention, can effectively increase the quantity of soil microorganisms with active, nutrient element in stationary state in activating soil, promote the formation of soil aggregate, increase the gas permeability of soil, eliminate soil compaction, regulate soil acidity or alkalinity, improve soil nutrient status, improve plant recovery of nutrient.
3, improve utilization rate of fertilizer, reduce labor capacity, reduce environmental pollution
This product adds appropriate fertilizer synergist, its main component is urease inhibitor, nitrification inhibitor and phosphorus element activator, to reducing nitrogen loss, improve utilization rate of fertilizer, extend fertilizer efficiency (can single-dose application, reduce labor capacity), reduce environmental pollution etc. and all have obvious effect.
4, fertilizer comprehensive nutrition, can strengthen photosynthesis and resistance, improves the yield and quality
Corn fertilizer comprehensive nutrition of the present invention, except the macronutrient nitrogen phosphorus potassium that contains corn growth needs, also, containing to the very important boron of corn growth, zinc, element silicon, can strengthen photosynthesis and the resistance of corn, improve the yield and quality of corn.
Embodiment
Below in conjunction with embodiment, the present invention is elaborated, but protection scope of the present invention is not only for so.
embodiment 1:prepare corn fertilizer
539 parts, urea, (62%) 258 part, Repone K, 195 parts of monoammonium phosphates, fertilizer synergist NAM8 part.
Step 1: by 539 parts of urea, through 130 ℃ of-140 ℃ of high-temperature fusion, enter in dashpot, then through transferpump pressurization, with being pumped in tower top mixing tank;
Step 2: by 258 parts of Repone K, 195 parts of monoammonium phosphates, 8 parts of fertilizer synergists, send in agitator and fully mix after metering, and mixing raw material, after crushing and screening, is sent into batch mixing heater heats to 85-100 ℃.By bucket type, carry machine and deliver to tower top feed bin;
Step 3: the hot batch mixing of tower top feed bin in step 2 is evenly sent into after metering described in above-mentioned steps 1 in mixing tank through spiral weighing balance, through high speed shear stirrer, be mixed and made into scattered paste shape material, temperature is controlled at 100 ℃-120 ℃, after vibrations strainer filters out granule foreign, overflow is to prilling spry, under shower nozzle rotational shear centrifugal action, mixture is evenly sprayed to glomerate small droplets; The small droplets falling from shower nozzle spray slowly falls in the tower of diameter 12-20 rice, high 105-120 rice, through with tower in upstream heat exchange after be cooled to 45-65 ℃, become compound fertilizer granules; Metering packing after cooling, screening and anti-caking are processed again.
The corn fertilizer product specification obtaining is 27-11-16, containing fertilizer synergist NAM, not boracic, zinc, element silicon.
embodiment 2:prepare corn fertilizer
530 parts, urea, (62%) 240 part, Repone K, 180 parts of monoammonium phosphates, four 5 parts of water eight Sodium Tetraboratees, 35 parts of water glass, 10 parts of EDTA chelated zincs.
Concrete implementation step is with embodiment 1.
The corn fertilizer product specification obtaining is 26-10-15, not containing fertilizer synergist NAM, and boracic, zinc, element silicon.
embodiment 3:prepare corn fertilizer
520 parts, urea, (62%) 242 part, Repone K, 180 parts of monoammonium phosphates, fertilizer synergist NAM8 part, four 5 parts of water eight Sodium Tetraboratees, 35 parts of water glass, 10 parts of EDTA chelated zincs.
Concrete implementation step is with embodiment 1.
The corn fertilizer product specification obtaining is 26-10-15, contains fertilizer synergist NAM and boron, zinc, element silicon.
embodiment 4:prepare corn fertilizer
500 parts, urea, (62%) 210 part, Repone K, 232 parts of monoammonium phosphates, 8 parts of fertilizer synergists, four 5 parts of water eight Sodium Tetraboratees, 35 parts of water glass, 10 parts of EDTA chelated zincs.
Concrete implementation step is with embodiment 1.
The corn fertilizer product specification obtaining is 25-13-13, contains fertilizer synergist NAM and boron, zinc, element silicon.
comparative example:
Common 51% composite fertilizer 26-10-15, Stanley Fertilizer Co.,Ltd's production and sales.
Comparative example and embodiment 1-4 effect are as follows:
Experimental cultivar: Zheng Dan 958;
Test site: Stanley manure trial base, Linshu County, Shandong Province, soil is medium fertility.
Fertilization mode:
Comparative example, 2 minutes base manure of embodiment and topdress, fertilising base chases after than being 3:2, and base manure is used 450kg/hm
2, topdress and use 300kg/hm
2.
Embodiment 1, embodiment 3,4 three of embodiment process a bulk application 600kg/hm
2, then base manure spreads fertilizer over the fields before corn seeding ploughs into ground, topdresses and executes in the punching of typhon mouth phase water.
Effect of increasing production sees the following form:
Experiment shows, compares with comparative example, adds not only all increases to some extent of output in the situation that of Shaoshi 20% fertilizer amount and single-dose application of embodiment of NAM, obvious effect of increasing production; The embodiment that adds B, Zn, Si element compared to comparative example not only output all increase to some extent, and corn quality also has lifting in various degree, is mainly manifested in seedling gesture and strengthens, leaf look turns green, lodging resistance enhancing etc.
Wherein, embodiment 3(specification is 26-10-15+NAM+B, Zn, Si) amplification processed is maximum, compares with comparative example, and volume increase 7.3%, should vigorously promote the use.
Claims (2)
1. a tower fused mass granulating high-efficiency total nutrient corn fertilizer, is characterized in that feed composition weight part is as follows:
520 parts, urea, 242 parts, Repone K, 180 parts of monoammonium phosphates, 8 parts of fertilizer synergists, 35 parts of water glass, four 5 parts of water eight Sodium Tetraboratees, 10 parts of fertilizer of chelated zinc;
Above-mentioned raw materials is commercially available, wherein:
Described urea is small particle urea, nitrogen content >=46.2%, and particle diameter is 0.85mm-2.80mm; Described monoammonium phosphate is common powdery monoammonium phosphate, and nutrient content is 66%; Described Repone K is white powder, and potassium oxide content is 62%; Described fertilizer synergist, by Chinese Academy of Sciences's Shenyang ecological Studies are developed, is comprised of urease inhibitor, nitrification inhibitor and phosphorus element activator; Described water glass is Powdered, and quality index is: dioxide-containing silica is greater than 60%, and fineness is that 100 order sieving rates are greater than 95%; Described four water eight Sodium Tetraboratees are white fine powder, and purity is greater than 99.9%, and boron content is 20.8-21.17%; Described fertilizer of chelated zinc is white powder, chelated zinc content >=15%, and ShenFang,SiChuan Lian Yi Chemical Co., Ltd. produces;
Content in above-mentioned all raw materials is mass percent, and except small particle urea, all the other raw material particle sizes are all within the scope of 0-1 millimeter.
2. the production method of tower fused mass granulating high-efficiency total nutrient corn fertilizer as claimed in claim 1, comprises following processing step:
Step 1: raw material urea, through 130 ℃ of-140 ℃ of high-temperature fusion, is entered in dashpot, then through transferpump pressurization, deliver to after metering in tower top tempering tank;
Step 2: after raw material Repone K, monoammonium phosphate, fertilizer synergist, four water eight Sodium Tetraboratees, water glass, fertilizer of chelated zinc are measured according to proportioning respectively, send in agitator and fully mix, mixing raw material is sent in batch mixing well heater after crushing and screening, be heated to 85 ℃-100 ℃, by chapelet, rise to tower top feed bin;
Step 3: the batch mixing after heating in tower top feed bin in step 2 is evenly sent into after metering described in step 1 in tempering tank through spiral metering scale, through high speed shear stirrer, be mixed and made into scattered paste shape material, temperature is controlled at 100 ℃-120 ℃, after vibrations strainer filters out granule foreign, overflow is to prilling spry, under shower nozzle rotational shear centrifugal action, mixture is evenly sprayed to glomerate small droplets, the small droplets falling from shower nozzle spray is 12-20 rice at diameter, height is slowly to fall in the tower of 105-120 rice, through with tower in upstream heat exchange after be cooled to 45 ℃-65 ℃, obtain special fertilizer particle, again after cooling, screening and anti-caking are processed, metering, packing.
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| CN103664410A (en) * | 2013-12-26 | 2014-03-26 | 朱健花 | Special fertilizer for corns |
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| CN102503687B (en) * | 2011-10-29 | 2013-10-16 | 史丹利化肥股份有限公司 | Melt granulated polypeptide stable fertilizer and preparation method thereof |
| CN102491856A (en) * | 2011-11-25 | 2012-06-13 | 史丹利化肥股份有限公司 | Special slow release fertilizer for corn zinc power and preparation method thereof |
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Address after: 276700 Linshu Economic Development Zone, Linyi, Shandong Patentee after: STANLEY agricultural group Limited by Share Ltd Address before: 276700 Linshu Economic Development Zone, Linyi, Shandong Patentee before: Stanley Fertilizer Stock Co., Ltd. |