CN103755483B - A kind of Special controlled-release fertilizer for summer maize and production method thereof - Google Patents
A kind of Special controlled-release fertilizer for summer maize and production method thereof Download PDFInfo
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- CN103755483B CN103755483B CN201410053926.7A CN201410053926A CN103755483B CN 103755483 B CN103755483 B CN 103755483B CN 201410053926 A CN201410053926 A CN 201410053926A CN 103755483 B CN103755483 B CN 103755483B
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Abstract
The invention discloses a kind of Special controlled-release fertilizer for summer maize and production method thereof.It forms inner layer granule with urea, monoammonium phosphate, Repone K, excellent of spy, wilkinite, magnesium oxide, zinc sulfate, ferrous sulfate, sulfuric acid sub-nickel, borax and DMPP after carrying out granulation; Outer Yelkin TTS/potassium polyacrylate.The fertilizer efficiency period of nitrogenous fertilizer was brought up to 100 days from about 15 days by the present invention, and the corn typhon mouth phase concentrates release, substantially increases the fertilizer efficiency period of nitrogenous fertilizer and the utilization rate of nitrogen fertilizer of summer corn.
Description
Technical field
The present invention relates to a kind of Special controlled-release fertilizer for summer maize and production method thereof, belong to technical field of fertilizers.
Background technology
About 100 days general breeding time of Huanghe valley summer corn, fertile critical period is needed to be the typhon mouth phase, namely after planting about 40 days (fertilizer efficiency period of urea about 15 days).How to realize a base by slow control film-coating technique and execute solution summer corn fertilizer in time of infertility needs, and nitrogenous fertilizer comparatively concentrates release in the typhon mouth phase, how to reduce cost of labor, is still one of important problem that production faces.
Utilize the coating agent such as macromolecular material to keep nitrogenous fertilizer, control transforms and slow releasing is the important directions improving fertilizer utilization efficiency.In agriculture production reality, coated fertilizer and nitrogenous fertilizer usually with the use of.But because the proportioning of dissimilar coated fertilizer and nitrogen fertilizers is unreasonable, cause coated fertilizer drought-resistant water-preserving effect to reduce, nitrogenous fertilizer keep and utilising efficiency not high, affect to a certain extent coated fertilizer effect performance.Reasonable application coated fertilizer can improve soil physical property, promotes seed germination and survival rate, reduces irrigation demand.Research proves that suitable coated fertilizer significantly reduces urea ammonia volatilization amount, and it is more obvious to increase effect with macromolecular material consumption.
Summary of the invention
The present invention is the deficiency solving prior art existence, and provide a kind of Special controlled-release fertilizer for summer maize and production method thereof, the method is simple, and coating is effective, and fertilizer efficiency period is long, balanced in nutrition, and utilization rate of fertilizer is high, and safety and environmental protection, production cost are low, and fertilizer efficiency is remarkable.
Solving this technical problem adopted technical scheme is: a kind of Special controlled-release fertilizer for summer maize, it is characterized in that, it be with urea, monoammonium phosphate, Repone K, special excellent, wilkinite, magnesium oxide, zinc sulfate, ferrous sulfate, sulfuric acid sub-nickel, borax and DMPP(3,4-dimethyl pyrazole phosphoric acid salt) carry out granulation after form inner layer granule; Outer Yelkin TTS/potassium polyacrylate; The component of described inner layer granule and weight part are: urea 550 ~ 600, monoammonium phosphate 150 ~ 200, Repone K 150 ~ 200, special excellent 35, wilkinite 50, magnesium oxide 50, zinc sulfate 5, ferrous sulfate 2, the sub-nickel 2 of sulfuric acid, borax 1, DMPP2; The component of described coated fertilizer and weight part are: Yelkin TTS 18, polyacrylic acid potassium 10 and Oleum Gossypii semen 32; The mass ratio of described inner layer granule and coated fertilizer is 100:5.5-6.5.
Production method, specific as follows:
(1) each raw material is taken by following weight parts: urea 550 ~ 600, monoammonium phosphate 150 ~ 200, Repone K 150 ~ 200, special excellent 35, wilkinite 50, magnesium oxide 50, zinc sulfate 5, ferrous sulfate 2, the sub-nickel 2 of sulfuric acid, borax 1 and DMPP2; The wherein content of main raw material: monoammonium phosphate (N11%, P
2o
544%), Repone K (K
2o>=60%), urea (N>=46%); Special excellent is the excellent soil improvement agent of Taiwan Xing Nong company development and production, effective constituent derive from weathered coal, brown coal 10% humic acids.
First urea and DMPP are mixed, pulverize; Then monoammonium phosphate, Repone K, excellent of spy, wilkinite, magnesium oxide, zinc sulfate, ferrous sulfate, the sub-nickel of sulfuric acid and borax is added, form solid materials after mixing, then after crusher in crushing, enter rotary drum steam granulation machine granulation (vapour pressure 1.2 normal atmosphere);
(2) by conveying belt, the material input drying machine after granulation is carried out drying, then send into cooler and cool; Described drying machine temperature in 205 ~ 255 DEG C, dry outlet mass temperatures 65 ~ 85 DEG C; Described cooler outlet mass temperatures 45 ± 5 DEG C;
(3) by cooled material inputted vibration sieve, carry out the first screening, particle diameter is between the material input coating machine of 1-4mm, and all the other crushers turning back to step (1) are again broken;
(4) pour in stirred pot by coated fertilizer Yelkin TTS, polyacrylic acid potassium and Oleum Gossypii semen by weight 18:10:32, stirring after being mixed, is 100:5.5-6.5 according to material and coating agent weight ratio, squeezes into coating machine spraying coating by hydro-pump;
(5) the material input drying machine after coating carries out drying, then sends into cooler and cools; Described drying machine temperature in 185 ~ 200 DEG C, dry outlet mass temperatures 65 ~ 85 DEG C; Described cooler outlet mass temperatures 45 ± 5 DEG C;
(6) dried material inputted vibration sieve, carries out second time screening, is divided into macrobead, middle particle and small-particle three kinds of specifications; Then metering packing warehouse-in.
The present invention, by keeping effect law study to polyacrylic acid potassium (A), Yelkin TTS/polyacrylic acid potassium (B) and Yelkin TTS (C) 3 kinds of materials to soil moisture, nitrogen phosphorus nutrient, finds that A type macromolecular material keeps effect best to soil moisture and phosphorus element; Type B macromolecular material is close, and C type macromolecular material effect is poor, and accumulative leaching reduces 54%, 47% and 28% than contrast (normal soil) respectively; And to soil nitrogen, Type B macromolecular material fertilizer conservation effect is best, C type macromolecular material takes second place, and A type macromolecular material is the poorest, and accumulative leaching reduces 79%, 77% and 54% than contrast (normal soil) respectively.Therefore select Yelkin TTS/polyacrylic acid potassium as coated fertilizer.
The invention has the beneficial effects as follows:
(1) the coating agent-Yelkin TTS/polyacrylic acid potassium of the present invention's use, natural, nontoxic, pollution-free, nuisanceless, and can provide C, N and P source for soil microorganisms, improves the structure of community of soil microorganisms, indirectly increase soil fertility;
(2) Yelkin TTS/polyacrylic acid potassium is a kind of tensio-active agent, emulsifying agent and water-holding agent preferably; not only water-soluble but also be dissolved in oil; reduction water oil is capillary while, the interfacial film of one deck densification can be formed on this bed interface, have provide protection to the particle of dispersion.Because the effect such as absorption and friction of Yelkin TTS/polyacrylic acid potassium makes drop band point, band point drop forms double electrical layers in the both sides at interface, simultaneously because the repulsive interaction of electrostatic double layer makes drop be difficult to cohesion, thus improve the stability of emulsion, coating effectiveness comparison is desirable, firm and do not come off.Then make fertilizer slow releasing by effects such as absorption, parcel, affine, chelatings, particularly make the release period of nitrogenous fertilizer extend to 100 days, needs in the time of infertility can be ensured, need not topdress again, save artificial, achieve the mechanize that summer corn applies fertilizer.
(3) this coated fertilizer supplies the uptake characters of present situation and summer corn for the main summer corn soil nutrient in Shandong Province, the optimum formula filtered out, the fertilizer N P and K total content>=50% (N:P produced
2o
5: K
2o=30:8:12), and containing the trace element such as Zn and multiple nutrient, balanced in nutrition, fertilizer efficiency long and significantly, quality meets GB15063-2000 standard completely.
(4) this coated fertilizer selects slow-release material (Yelkin TTS/polyacrylic acid potassium) and controlled-release material (DMPP), the fertilizer efficiency period of nitrogenous fertilizer was brought up to 100 days from about 15 days, and the concentrated release of corn typhon mouth phase, substantially increase the fertilizer efficiency period of nitrogenous fertilizer and the utilization rate of nitrogen fertilizer of summer corn, summer corn this season utilization rate of nitrogen fertilizer improves 46%, and decrease the fixing of phosphorus potash fertilizer and run off, summer corn is worked as quaternary phosphonium potassium utilization rate and is improved 17% and 6% respectively.
Typical test situation is:
In Cao County, Shandong Province, Linqing and Boxing, with existing kind Zheng Dan 958 for test kind, planting density 5000 plants/acre, coat fertilizer of the present invention 50 kilograms executed by every mu of base, with the non-coating complex fertilizer of filling a prescription equally for control group (12 kilograms, base manure urea in earlier stage, monoammonium phosphate 8 kilograms, 10 kilograms, Repone K, 0.5 kilogram, zinc sulfate, the litmus mouth phase chases after flowering and boll-setting period and chases after 18 kilograms, urea), other fertilising is identical with control measures, 678.8 kilograms are respectively at the control group summer corn per mu yield on three ground, 662.5 kilograms and 627.3 kilograms, use coat fertilizer summer corn per mu yield of the present invention and be respectively 846.5 kilograms, 815.5 kilograms and 854.4 kilograms, visible, at rate of fertilizer under similar circumstances, use coat fertilizer of the present invention respectively than control group volume increase 24.7%, 23.1% and 36.2%.
Embodiment
Embodiment 1
Proportioning (kilogram): urea 580, monoammonium phosphate 160, Repone K 180, special excellent 35, wilkinite 50, magnesium oxide 50, zinc sulfate 5, ferrous sulfate 2, sulfuric acid sub-nickel 2, borax 1, Yelkin TTS 18, polyacrylic acid potassium 10 and Oleum Gossypii semen 32.
The wherein content of main raw material: monoammonium phosphate (N11-P
2o
544), Repone K (K
2o>=60%), urea (N>=46%), Yelkin TTS/polyacrylic acid potassium purity is more than 90%.
(1) metering, stirring, fragmentation
First urea and DMPP are mixed, pulverize; Then add monoammonium phosphate, Repone K, excellent of spy, wilkinite, magnesium oxide, zinc sulfate, ferrous sulfate, the sub-nickel of sulfuric acid and borax, after metering, mixing, form solid materials, then after fragmentation, enter the granulation of rotary drum steam granulation machine;
Urea crusher L800(ω=1200r/min); Chain breaker, post-type mixer model are respectively: XW-100, φ 3.2m.
(2) granulation
Granulation time 15 minutes, rotary drum steam granulation φ 2.2 × 7m, vapour pressure is 1.2 normal atmosphere.
(3) dry
By conveying belt, the material input drying machine after granulation is carried out drying.Drying machine φ 2.2 × 24m, drying machine temperature in 205 ~ 255 DEG C, dry outlet mass temperatures 65 ~ 85 DEG C.
(4) cool
By conveying belt by dried material input cooler, cool.Cooler φ 2.2 × 24m, cooler outlet mass temperatures 45 ± 5 DEG C.
(5) sieve
Sieved by cooled material inputted vibration by conveying belt, carry out the first screening, the material input coating machine of particle diameter between 1-4mm, it is again broken that all the other turn back to crusher.Vibratory screening apparatus model ZS-10.
(6) coating
Coated fertilizer Yelkin TTS, polyacrylic acid potassium and Oleum Gossypii semen are poured in stirred pot, stirs after being mixed, material and coating agent are squeezed into coating machine spraying coating by hydro-pump.Packing machine φ 1.2 × 8.5m; Hydro-pump CST300.
(7) the material input drying machine after coating carries out drying, then sends into cooler and cools; Described drying machine temperature in 185 ~ 200 DEG C, dry outlet mass temperatures 65 ~ 85 DEG C; Described cooler outlet mass temperatures 45 ± 5 DEG C.
(8) dried material inputted vibration sieve, carries out second time screening, is divided into macrobead, middle particle and small-particle three kinds of specifications.Vibratory screening apparatus model ZS-7.
(9) metering packing.BFT-3 computer automatic quantitative packing machine.
(10) finished product warehouse-in.
Claims (4)
1. a production method for Special controlled-release fertilizer for summer maize, is characterized in that, it forms inner layer granule with urea, monoammonium phosphate, Repone K, excellent of spy, wilkinite, magnesium oxide, zinc sulfate, ferrous sulfate, sulfuric acid sub-nickel, borax and DMPP after carrying out granulation; Outer Yelkin TTS/potassium polyacrylate; The component of described inner layer granule and weight part are: urea 550 ~ 600, monoammonium phosphate 150 ~ 200, Repone K 150 ~ 200, special excellent 35, wilkinite 50, magnesium oxide 50, zinc sulfate 5, ferrous sulfate 2, the sub-nickel 2 of sulfuric acid, borax 1, DMPP2; The component of described coated fertilizer and weight part are: Yelkin TTS 18, polyacrylic acid potassium 10 and Oleum Gossypii semen 32; The mass ratio of described inner layer granule and coated fertilizer is 100:5.5-6.5;
(1) each component of inner layer granule and coated fertilizer is got according to the above ratio;
First urea and DMPP are mixed, pulverize; Then add monoammonium phosphate, Repone K, excellent of spy, wilkinite, magnesium oxide, zinc sulfate, ferrous sulfate, the sub-nickel of sulfuric acid and borax, form solid materials after mixing, then after crusher in crushing, enter the granulation of rotary drum steam granulation machine;
(2) by conveying belt, the material input drying machine after granulation is carried out drying, then send into cooler and cool;
(3) by cooled material inputted vibration sieve, carry out the first screening, particle diameter is between the material input coating machine of 1-4mm, and all the other crushers turning back to step (1) are again broken;
(4) coated fertilizer Yelkin TTS, polyacrylic acid potassium and Oleum Gossypii semen are poured in stirred pot, stir after being mixed, particle diameter is squeezed into coating machine spraying coating between the material of 1-4mm and coated fertilizer by hydro-pump;
(5) the material input drying machine after coating carries out drying, then sends into cooler and cools;
(6) dried material inputted vibration sieve carries out sieving rear metering packing.
2. production method as claimed in claim 1, it is characterized in that, the drying machine temperature in of described step (2) is 205 ~ 255 DEG C, and dry outlet mass temperatures is 65 ~ 85 DEG C.
3. production method as claimed in claim 1, it is characterized in that, the cooler outlet mass temperatures of described step (2) or (5) is 45 ± 5 DEG C.
4. production method as claimed in claim 1, it is characterized in that, the drying machine temperature in of described step (5) is 185 ~ 200 DEG C, and dry outlet mass temperatures is 65 ~ 85 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053926.7A CN103755483B (en) | 2014-02-18 | 2014-02-18 | A kind of Special controlled-release fertilizer for summer maize and production method thereof |
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|---|---|---|---|
| CN201410053926.7A CN103755483B (en) | 2014-02-18 | 2014-02-18 | A kind of Special controlled-release fertilizer for summer maize and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103755483A CN103755483A (en) | 2014-04-30 |
| CN103755483B true CN103755483B (en) | 2016-01-20 |
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ID=50522848
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|---|---|---|---|
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030803A (en) * | 2014-05-23 | 2014-09-10 | 刘凯 | Special controlled-release fertilizer for winter wheat and production method of fertilizer |
| CN105085124A (en) * | 2015-07-31 | 2015-11-25 | 安徽省化工设计院 | Coated water retention slow release fertilizer and preparation method thereof |
| CN108929148A (en) * | 2017-05-27 | 2018-12-04 | 山东红日化工股份有限公司 | A kind of drought-resistant water-preserving fertilizer and preparation method thereof |
| CN112679276A (en) * | 2021-01-28 | 2021-04-20 | 平原县释乐补农业科技有限公司 | Polyurethane coated urea for further improving nitrogen utilization rate |
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| US5938813A (en) * | 1997-01-27 | 1999-08-17 | Sqm Nitratos, S.A. | Granular coated particles containing urea and metal nitrate, and process for making the same |
| CN1609077A (en) * | 2004-11-03 | 2005-04-27 | 中国农业科学院土壤肥料研究所 | Production process of slowly/controlled releasing fertilizer for summer corn |
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| CN103058754A (en) * | 2012-12-26 | 2013-04-24 | 施可丰化工股份有限公司 | Slow-release compound fertilizer applicable to plantation of corn |
| CN103058751A (en) * | 2012-12-26 | 2013-04-24 | 施可丰化工股份有限公司 | Preparation method for special slow-release long-acting compound fertilizer for corn |
| CN103102223A (en) * | 2013-03-05 | 2013-05-15 | 孟庆华 | Special lecithin-coated slow release fertilizer for cotton and production method of fertilizer |
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2014
- 2014-02-18 CN CN201410053926.7A patent/CN103755483B/en not_active Expired - Fee Related
Patent Citations (7)
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|---|---|---|---|---|
| US5938813A (en) * | 1997-01-27 | 1999-08-17 | Sqm Nitratos, S.A. | Granular coated particles containing urea and metal nitrate, and process for making the same |
| CN1609077A (en) * | 2004-11-03 | 2005-04-27 | 中国农业科学院土壤肥料研究所 | Production process of slowly/controlled releasing fertilizer for summer corn |
| CN102424641A (en) * | 2011-09-20 | 2012-04-25 | 山东大学 | Corn slow-release fertilizer |
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| CN103058754A (en) * | 2012-12-26 | 2013-04-24 | 施可丰化工股份有限公司 | Slow-release compound fertilizer applicable to plantation of corn |
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| CN103102223A (en) * | 2013-03-05 | 2013-05-15 | 孟庆华 | Special lecithin-coated slow release fertilizer for cotton and production method of fertilizer |
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Effective date of registration: 20201202 Address after: No.001, Chuangxin Road, Laihe Town, Shan county, Heze City, Shandong Province, 274300 Patentee after: Huang Yanhong Address before: 250100 science and technology industry department, Ji'nan Academy of Agricultural Sciences, 202 industrial North Road, Licheng District, Shandong, Shandong Patentee before: Meng Qinghua Patentee before: JINAN FEITIAN AGRICULTURAL SCIENCE AND TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210222 Address after: 152002 Dongfu Township, Beilin District, Suihua City, Heilongjiang Province Patentee after: Heilongjiang Bairun fertilizer Co.,Ltd. Address before: 274300 No.001, Chuangxin Road, Laihe Town, Shan county, Heze City, Shandong Province Patentee before: Huang Yanhong |
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Granted publication date: 20160120 |