CN102491855B - Zinc-rich efficient slow release special corn fertilizer and preparation method thereof - Google Patents
Zinc-rich efficient slow release special corn fertilizer and preparation method thereof Download PDFInfo
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- CN102491855B CN102491855B CN201110379294XA CN201110379294A CN102491855B CN 102491855 B CN102491855 B CN 102491855B CN 201110379294X A CN201110379294X A CN 201110379294XA CN 201110379294 A CN201110379294 A CN 201110379294A CN 102491855 B CN102491855 B CN 102491855B
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Abstract
The invention discloses zinc-rich efficient slow release special corn fertilizer and a preparation method thereof, and relates to the technical field of slow release fertilizer. According to the special corn fertilizer, small particle urea, monoammonium phosphate, potassium chloride, a urease inhibitor, zinc sulfate and other medium and trace elements, and bentonite are adopted as raw materials, and the materials are prepared according to the specified preparation process and the specified ratio. According to the present invention, the special corn fertilizer and the preparation method have advantages of advanced production process, long effective fertilizer period, crop growth promoting, significant yield increasing, crop stress resistance improving, and prolongation of the functional period of leaves.
Description
Technical field
The present invention relates to the slow-release or control-release fertilizer technical field, be specifically related to a kind of utilize the production of tower fused melt granulated compound fertilizer device be rich in zinc element high-efficiency sustained-release corn fertilizer and preparation method thereof.
Background technology
The normal zinc content of plant is about the 25-150mg/Kg(dry weight).Zinc is the important component or the activator of some enzymes in the plant materials, and zinc participates in the synthetic of growth hormone, impels the chlorophyll diffusion, participates in CO in the photosynthesis
2Hydration, zinc can also strengthen the ability of plant disease-resistant, cold-resistant, drought resisting, is the essential nutrient of crop normal growth.
For a long time, China peasant to corn fertilizing traditionally ubiquity " triple three is light ", the promptly heavy light fertilizer of chemical fertilizer, the light potash fertilizer of diazonium phosphate fertilizer, the light middle trace element of great secondary element, thereby cause trace element in the most of regional soil famine of China, the Fertilization Structure imbalance, the arable land fertility descends.When corn lacked zinc, growth was suppressed, and especially internodal growth seriously is obstructed, and leaf photosynthesis weakens, blade atrophy, distortion, and plant is short and small, and output reduces.When corn lacks zinc, the attenuation of blade and blade meat tissue, minus green or albefaction between vein, mosaic disease very easily appears in corn, influences output.
At present, the production ubiquity of domestic corn composite fertilizer material small scale, energy consumption height, seriously polluted, problem such as investment is big, and traditional technology fertiliser granulates nutrient skewness, the product strength deficiency of producing, and brings serious environmental to pollute easily.Therefore, produce that a kind of to be rich in the zinc element corn fertilizer very necessary.
Summary of the invention
At the deficiencies in the prior art, the present invention is on the basis of double tower fused melt granulated compound fertilizer device, regulation of fertilizer requirement according to corn growth, nutrient supplying capability energy in conjunction with fertilising soil, added a certain proportion of zinc additive, slow-release or control-release fertilizer additive---urease inhibitor NAM, carry out scientific and reasonable prescription, thereby invent out a kind of zinc element high-efficiency sustained-release corn fertilizer that is rich in.
Technical scheme of the present invention is as follows:
Zinc element high-efficiency sustained-release corn fertilizer is rich in the present invention, and the feed composition weight part is as follows:
Urea 550-650 part,
Monoammonium phosphate 100-150 part,
Repone K 0-150 part,
Vitriolate of tartar 0-200 part,
Urease inhibitor NAM 1-5 part,
Zinc sulfate 5-20 part,
Weighting agent 100-200 part;
Above-mentioned raw materials is the commercially available prod, wherein:
Nitrogen content is 46% in the described urea, and specification is 46-0-0;
Nitrogen content is 10% in the described monoammonium phosphate, and phosphorus pentoxide content is 45%, and specification is 10-45-0;
Potassium oxide content is 60% in the described Repone K, and specification is 0-0-60;
Potassium oxide content is 51% in the described vitriolate of tartar, and specification is 0-0-51;
Described weighting agent is a wilkinite;
Content in the above raw material is mass percent.
Zinc element high-efficiency sustained-release corn fertilizer is rich in the present invention, and further preferred feed composition weight part is as follows:
Urea 580-630 part,
Monoammonium phosphate 110-140 part,
Repone K 0-100 part,
Vitriolate of tartar 0-100 part,
Urease inhibitor NAM 2-3 part,
Zinc sulfate 8-10 part,
Weighting agent 140-170 part.
Zinc element high-efficiency sustained-release corn fertilizer is rich in the present invention, and most preferably the feed composition weight part is as follows:
580 parts in urea,
140 parts of monoammonium phosphates,
100 parts in Repone K,
100 parts of vitriolate of tartar,
2 parts of urease inhibitor NAM,
10 parts in zinc sulfate,
168 parts of weighting agents.
The preparation method of zinc element high-efficiency sustained-release corn fertilizer is rich in the present invention, comprises following processing step:
(1) raw materials for production is imported production control management system DCS automatic gauge by proportioning;
(2) urea melting temperature 133-140 ℃, urea concentration is greater than 98%;
(3) the monoammonium phosphate particle diameter is less than 1 ㎜, Heating temperature 95-125 ℃;
(4) Repone K, vitriolate of tartar particle diameter be less than 1 ㎜, Heating temperature 115-140 ℃;
(5) urease inhibitor NAM, zinc sulfate particle diameter be less than 1 ㎜, Heating temperature 100-130 ℃;
(6) monoammonium phosphate, Repone K, vitriolate of tartar, zinc sulfate after urea liquation and the heating and urease inhibitor mixings are 2-3 minute, and the suspension liquid melting charge slurry temperature of formation is 115-135 ℃, mix afterwards slip and enter the spray granulating device rapidly and carry out granulation;
(7) granule materials diameter 1-4.75 ㎜ at the bottom of the tower, the granule materials temperature is less than 70 ℃;
(8) cooling, cooler outlet granule materials temperature is less than 45 ℃;
(9) metering packing after screening and anti-caking are handled again gets product.
The preparation method of zinc element high-efficiency sustained-release corn fertilizer is rich in the present invention, is preferably as follows processing condition:
Described urea melting temperature is 135 ℃, and urea concentration is 98.5%;
Described monoammonium phosphate particle diameter is 0.5 ㎜, and Heating temperature is 112 ℃;
Described Repone K, vitriolate of tartar particle diameter are 0.8 ㎜, and Heating temperature is 120 ℃;
Described urease inhibitor NAM, zinc sulfate particle diameter are 0.6 ㎜, 125 ℃ of Heating temperatures;
Monoammonium phosphate, Repone K, vitriolate of tartar, zinc sulfate and urease inhibitor after described urea liquation and the heating mixed 2 minutes, and the suspension liquid melting charge slurry temperature of formation is 128 ℃, mixed afterwards slip and entered the spray granulating device rapidly and carry out granulation;
The granule materials diameter is 2.75 ㎜ at the bottom of the described tower, and the granule materials temperature is 48 ℃;
Described cooler outlet granule materials temperature is 35 ℃.
The present invention compared with prior art has following outstanding advantage:
1, nutrient comprehensively, reasonable component formula, production technique advanced person, non-environmental-pollution
Because process of producing product of the present invention adopts DCS control, stable operation is not pulverized urea, does not have the discharging of " three wastes " pollutent.
2, fertilizer efficiency period is long, promotes plant growth, obvious effect of increasing production
Fertilizer efficiency period can reach 90-120 days, disposable applying during spring sowing, and need not topdress full vegetative period, simplifies the corn fertilizing flow process, solved the overlay film corn difficult problem of topdressing simultaneously yet; The utilization rate of fertilizer height has obvious promoter action, obvious effect of increasing production to growth and development of plants.
3, improve crop anti-adversity, prolong functional period of leaf
Since increased zinc etc. multiple in trace element, improved crop anti-adversity, strengthened the ability of crop drought resistance, heat resistanceheat resistant, disease and insect resistance, the generation that has solved pestalotiopsis funerea effectively, spent leaf disease in vain has prolonged the functional period of blade.
4, the utilization rate of fertilizer height, obvious environment benefit
Can eliminate leaching and the loss such as volatilization of nutrient in soil, reduce pollution, have significant environmental benefit soil, water system.
Description of drawings
Accompanying drawing is rich in zinc element high-efficiency sustained-release corn fertilizer preparation technology schema for the present invention.
Embodiment
Below in conjunction with drawings and Examples the present invention is elaborated, but not only for so.
Embodiment 1: zinc element high-efficiency sustained-release corn fertilizer is rich in preparation, and wherein nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 28%, 6%, 6%, are mass percent.
Get small particle urea 580kg, monoammonium phosphate 140kg, Repone K 100kg, urease inhibitor 2kg, zinc sulfate 10kg, wilkinite 168kg are raw material.
Above-mentioned raw materials is accurately measured, adopt the production of tower fused mass granulating technique spray granulating: utilize urea melting liquid with by the prescription strict measurement monoammonium phosphate, raw materials such as Repone K mix the suspended solid mixed slurry that the back forms the eutectic of good fluidity, and pass through prilling spry, mixed slurry is sprayed in the prilling tower, make it in the process of gravity landing, carry out heat exchange with the airflow that rises, cooling curing forms particle, again through cooling, screening and anti-caking are handled the back metering packing, promptly obtain the corn zinc power special slow release fertilizer that has the pin hole shape that nutrient is evenly distributed.
Concrete manufacturing condition is: the urea melting temperature is 135 ℃, and urea concentration is 98.5%; The monoammonium phosphate particle diameter is 0.5 ㎜, and Heating temperature is 112 ℃; Repone K, vitriolate of tartar particle diameter are 0.8 ㎜, and Heating temperature is 120 ℃; Urease inhibitor NAM, zinc sulfate particle diameter are 0.6 ㎜, 125 ℃ of Heating temperatures; Monoammonium phosphate, Repone K, vitriolate of tartar, zinc sulfate and urease inhibitor after urea liquation and the heating mixed 2 minutes, and the suspension liquid melting charge slurry temperature of formation is 128 ℃, mixed afterwards slip and entered the spray granulating device rapidly and carry out granulation; The granule materials diameter is 2.75 ㎜ at the bottom of the tower, and the granule materials temperature is 48 ℃; Cooler outlet granule materials temperature is 35 ℃.
Embodiment 2: zinc element high-efficiency sustained-release corn fertilizer is rich in preparation, and wherein nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 30%, 5%, 5%, are mass percent.
Get that micro-8kg, wilkinite 149kg are raw material in small particle urea 630kg, monoammonium phosphate 110kg, vitriolate of tartar 100kg, urease inhibitor 3kg, the zinc sulfate etc.; Preparation technology is with embodiment 1.
Comparative Examples: 54% common Repone K composite fertilizer, nitrogen phosphorus potassium proportioning is 18-18-18, is the three peace composite fertilizers that Stanley Fertilizer Co.,Ltd produces.
The applicant is located at Nan Gu town, Linshu County, Shandong Province with test, and soil type is a moisture soil, soil nutrient content: organic matter 1.10%, quick-acting nitrogen 120ppm, rapid available phosphorus 12.4ppm, available potassium 80ppm.
Corn variety: agricultural university 108.
Three processing are established in test, and each processing area is 66.7m
2, be contrast not apply fertilizer, be rich in zinc element high-efficiency sustained-release corn fertilizer embodiment 1, embodiment 2 and be respectively and handle 1, handle 2 to use the present invention, be to handle 3, wherein every 666.7m with the Comparative Examples
2Execute and be rich in zinc element high-efficiency sustained-release corn fertilizer, each 50kg of common fertilizer, other same field managements, each is handled and repeats 3 times, sowing at the beginning of 6 months, gather in the crops the same year by the end of September.The contrast implementation result specifically sees Table 1.
Table 1: corn plot experiment table
As can be seen from Table 1, all than using the many of common fertilizer, the corn that Comparative Examples is used in embodiment 1, embodiment 2 contrasts increases production 17.2%, 17.0% respectively to use corn grain number per spike, the tassel row number that is rich in the zinc corn fertilizer.
Studies show that, compare that use the present invention and be rich in and zinc corn fertilizer year can save applying quantity of chemical fertilizer 15-20%, plant recovery of nutrient improves 10-13%, makes corn yield increasing 17%-19% with conventional composite fertilizer.The average activation rate of soil phosphorus is 13%, and the chemical fertilizer available phosphorus brings up to 28%, and the available nutrient leaching rate reduces by 48.2%, and inhibitor residual quantity in soil is lower than 0.07mm/kg, well below standard 100mm/kg.Good product performance of the present invention, fertilizer nutrient equilibrium, concentration height, mellow and full, the prevented from caking of smooth surface, fertilizer cost per ton only increases 3-5%, has remarkable economical, society and environmental benefit.
Claims (1)
1. one kind is rich in zinc element high-efficiency sustained-release corn fertilizer, it is characterized in that the feed composition weight part is as follows:
580 parts in urea,
140 parts of monoammonium phosphates,
100 parts in Repone K,
100 parts of vitriolate of tartar,
2 parts of urease inhibitor NAM,
10 parts in zinc sulfate,
168 parts of weighting agents;
Above-mentioned raw materials is the commercially available prod, wherein:
Nitrogen content is 46% in the described urea, and specification is 46-0-0;
Nitrogen content is 10% in the described monoammonium phosphate, and phosphorus pentoxide content is 45%, and specification is 10-45-0;
Potassium oxide content is 60% in the described Repone K, and specification is 0-0-60;
Potassium oxide content is 51% in the described vitriolate of tartar, and specification is 0-0-51;
Described weighting agent is a wilkinite;
Content in the above raw material is mass percent;
The described preparation method who is rich in zinc element high-efficiency sustained-release corn fertilizer comprises following processing step:
(1) raw materials for production is imported production control management system DCS automatic gauge by proportioning;
(2) the urea melting temperature is 133 ℃, and urea concentration is 98.5%;
(3) described monoammonium phosphate particle diameter is 0.5 ㎜, and Heating temperature is 112 ℃;
(4) Repone K, little 0.8 ㎜ of vitriolate of tartar particle diameter, Heating temperature is 120 ℃;
(5) urease inhibitor NAM, zinc sulfate particle diameter are 0.6 ㎜, 125 ℃ of Heating temperatures;
(6) monoammonium phosphate, Repone K, vitriolate of tartar, zinc sulfate and the urease inhibitor after urea liquation and the heating mixed 2 minutes, and the suspension liquid melting charge slurry temperature of formation is 128 ℃, mixed afterwards slip and entered the spray granulating device rapidly and carry out granulation;
(7) granule materials diameter 2.75 ㎜ at the bottom of the tower, the granule materials temperature is less than 48 ℃;
(8) cooling, 35 ℃ of cooler outlet granule materials temperature;
(9) metering packing after screening and anti-caking are handled again gets product.
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| CN201110379294XA CN102491855B (en) | 2011-11-25 | 2011-11-25 | Zinc-rich efficient slow release special corn fertilizer and preparation method thereof |
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| CN102491855B true CN102491855B (en) | 2013-07-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017125383A1 (en) * | 2016-01-19 | 2017-07-27 | Borealis Chimie Sas | Method for obtaining at least one urea-based fertilizer composition |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664410A (en) * | 2013-12-26 | 2014-03-26 | 朱健花 | Special fertilizer for corns |
| CN104211471A (en) * | 2014-08-28 | 2014-12-17 | 安徽兴隆肥业科技有限责任公司 | Ternary compound fertilizer |
| CN104761342A (en) * | 2015-03-21 | 2015-07-08 | 史丹利化肥股份有限公司 | Sorghum special-purpose slow release fertilizer containing trace element and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796338A (en) * | 2004-12-27 | 2006-07-05 | 上海化工研究院 | Granulating Method in tower type for producing complex fertilizer of nitrogen, phosphor and potass |
| CN101209935A (en) * | 2006-12-27 | 2008-07-02 | 中国科学院沈阳应用生态研究所 | Special-purpose fertilizer for corn and application thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796338A (en) * | 2004-12-27 | 2006-07-05 | 上海化工研究院 | Granulating Method in tower type for producing complex fertilizer of nitrogen, phosphor and potass |
| CN101209935A (en) * | 2006-12-27 | 2008-07-02 | 中国科学院沈阳应用生态研究所 | Special-purpose fertilizer for corn and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017125383A1 (en) * | 2016-01-19 | 2017-07-27 | Borealis Chimie Sas | Method for obtaining at least one urea-based fertilizer composition |
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Owner name: STANLEY FERTILIZER GUIGANG CO., LTD. Effective date: 20140912 |
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Effective date of registration: 20140912 Address after: 276700 Linshu Economic Development Zone, Linyi, Shandong, Shandong Patentee after: Stanley Fertilizer Stock Co., Ltd. Patentee after: Stanley Fertilizer Guigang Co., Ltd. Address before: 276700 Linshu Economic Development Zone, Linyi, Shandong Patentee before: Stanley Fertilizer Stock Co., Ltd. |
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Address after: 276700 Linshu Economic Development Zone, Linyi, Shandong Patentee after: STANLEY agricultural group Limited by Share Ltd Patentee after: Stanley Fertilizer Guigang Co., Ltd. Address before: 276700 Linshu Economic Development Zone, Linyi, Shandong Patentee before: Stanley Fertilizer Stock Co., Ltd. Patentee before: Stanley Fertilizer Guigang Co., Ltd. |