CN104030803A - Special controlled-release fertilizer for winter wheat and production method of fertilizer - Google Patents
Special controlled-release fertilizer for winter wheat and production method of fertilizer Download PDFInfo
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- CN104030803A CN104030803A CN201410221504.6A CN201410221504A CN104030803A CN 104030803 A CN104030803 A CN 104030803A CN 201410221504 A CN201410221504 A CN 201410221504A CN 104030803 A CN104030803 A CN 104030803A
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Abstract
The invention discloses special controlled-release fertilizer for winter wheat and a production method of the fertilizer. The method is characterized by comprising the steps: granulating urea, monoammonium phosphate, potassium chloride, excellent-root fertilizer, bentonite, magnesium oxide, zinc sulfide, ferrous sulfate, nickel sulfate, borax and DMPP to form inner layer particles; coating the particles by utilizing lecithin/potassium polyacrylate on the outer layer. By adopting the production method, the effective period of the nitrogen fertilizer is prolonged from 15 days to 100 days; moreover, the fertilizer is centralized to be released in the large flare period of the wheat, so that the effective period of the nitrogen fertilizer is greatly prolonged, and the utilization rate of the nitrogen fertilizer for the winter wheat is greatly increased.
Description
Technical field
The present invention relates to a kind of winter wheat special-purpose control-release fertilizer and production method thereof, belong to technical field of fertilizers.
Background technology
Utilize the coating agent such as macromolecular material to keep nitrogenous fertilizer, controlling and transforming gentle On The Drug Release is the important directions that improves fertilizer utilization efficiency.In agriculture production reality, coated fertilizer and nitrogenous fertilizer are usually used in conjunction with.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 maintenance and utilising efficiency are not high, affect to a certain extent the effect performance of coated fertilizer.Rationally application coated fertilizer can improve soil physical property, promotes seed germination and survival rate, reduces irrigation demand.Studies have shown that suitable coated fertilizer significantly reduces urea ammonia volatilization amount, and it is more obvious with macromolecular material consumption, to increase effect.
Summary of the invention
The deficiency that the present invention exists for solving prior art, provides a kind of winter wheat special-purpose control-release fertilizer and production method thereof, and 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 winter wheat special-purpose control-release fertilizer, it is characterized in that, it is to carry out forming inner layer granule after granulation with urea, monoammonium phosphate, Repone K, excellent of spy, wilkinite, magnesium oxide, zinc sulfate, ferrous sulfate, the sub-nickel of sulfuric acid, borax and DMPP (3,4～dimethyl pyrazole phosphoric acid salt); Outer with Yelkin TTS/polyacrylic acid potassium coating; The component of described inner layer granule and weight part are: urea 550～600, and 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, DMPP 2; 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) by following weight parts, take each raw material: 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 DMPP 2; The content of main raw material wherein: monoammonium phosphate (N11%, P
2o
544%), Repone K (K
2o>=60%), urea (N>=46%); Special excellent is the good soil improvement agent of Taiwan Xing Nong company development and production, and effective constituent derives from 10% humic acids of weathered coal, brown coal.
First urea and DMPP are mixed, pulverized; 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 mixing, form solid materials, 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 dried, then sends into cooler and carry out cooling; 205～255 ℃ of described drying machine temperature ins, 65～85 ℃ of dry outlet material temperature; 45 ± 5 ℃ of described cooler outlet material temperature;
(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 turn back to the crusher fragmentation again of step (1);
(4) coated fertilizer Yelkin TTS, polyacrylic acid potassium and Oleum Gossypii semen being poured in stirred pot by weight 18:10:32, after stirring is mixed, is 100:5.5～6.5 according to material and coating agent weight ratio, by hydro-pump, squeezes into coating machine spraying coating;
(5)
Material input drying machine after coating is dried, and then sends into cooler and carries out cooling; 185～200 ℃ of described drying machine temperature ins, 65～85 ℃ of dry outlet material temperature; 45 ± 5 ℃ of described cooler outlet material temperature;
(6) dried material inputted vibration sieve, sieves for the second time, is divided into macrobead, middle particle and three kinds of specifications of small-particle; Then metering packing is put in storage.
The present invention, by polyacrylic acid potassium (A), Yelkin TTS/polyacrylic acid potassium (B) and 3 kinds of materials of Yelkin TTS (C) are kept to the research of effect rule to soil moisture, nitrogen phosphorus nutrient, finds
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 total leaching amount 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 total leaching amount 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) coating agent～Yelkin TTS/polyacrylic acid potassium that the present invention uses, natural, nontoxic, pollution-free, nuisanceless, and can provide C, N and P source for soil microorganisms, and improve the structure of community of soil microorganisms, indirectly increase soil fertility;
(2) Yelkin TTS/polyacrylic acid potassium is a kind of good tensio-active agent, emulsifying agent and water-holding agent; not only water-soluble but also be dissolved in oil; reducing the water capillary while of oil, can on this bed interface, form the interfacial film of one deck densification, the particle disperseing is had to provide protection.Because the effects such as the absorption of Yelkin TTS/polyacrylic acid potassium and friction make drop band point, band point drop forms double electrical layers in the both sides at interface, repulsive interaction due to electrostatic double layer simultaneously makes drop be difficult to cohesion, thereby improved the stability of emulsion, coating effect is more satisfactory, firm and do not come off.Then by effects such as absorption, parcel, affine, chelatings, fertilizer is slowly discharged, particularly make the release period of nitrogenous fertilizer extend to 100 days, can guarantee needs in the time of infertility, need not topdress again, saved manually, realized the mechanize of winter wheat fertilization.
(3) this coated fertilizer is for the fertile characteristic of need of the main winter wheat soil nutrient supply present situation in Shandong Province and winter wheat, the optimum formula filtering out, the fertilizer nitrogen phosphorus potassium total content>=50% (N:P producing
2o
5: K
2o=30:8:12), and contain trace element and the multiple nutrients such as Zn, balanced in nutrition, fertilizer efficiency is grown and remarkable, and quality meets GB15063～2000 standard completely.
(4) this coated fertilizer is selected 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 concentrated release of wheat typhon mouth phase, the fertilizer efficiency period of nitrogenous fertilizer and the utilization rate of nitrogen fertilizer of winter wheat have greatly been improved, winter wheat this season utilization rate of nitrogen fertilizer has improved 46%, and reduced the fixing of phosphorus potash fertilizer and run off, winter wheat is worked as quaternary phosphonium potassium utilization rate and improves respectively 17% and 6%.
Typical test situation is:
At Cao County, Shandong Province, Linqing and Boxing, take existing kind Zheng Dan 958 as test kind, 5000 plants/acre of planting densities, every mu of base is executed 50 kilograms of coat fertilizers of the present invention, take the not coating complex fertilizer of filling a prescription equally as control group (early stage 12 kilograms, base manure urea, 8 kilograms of monoammonium phosphates, 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, and the control group winter wheat per mu yield on three ground is respectively 678.8 kilograms, 662.5 kilograms and 627.3
Kilogram, use coat fertilizer winter wheat 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 content of main raw material wherein: 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, are pulverized; 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;
(2) granulation
15 minutes granulation time, 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 dried.Drying machine φ 2.2 * 24m, 205～255 ℃ of drying machine temperature ins, 65～85 ℃ of dry outlet material temperature.
(4) cooling
By conveying belt, by dried material input cooler, carry out cooling.Cooler φ 2.2 * 24m, 45 ± 5 ℃ of cooler outlet material temperature.
(5) screening
By conveying belt, cooled material inputted vibration is sieved, 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, after stirring is 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)
Material input drying machine after coating is dried, and then sends into cooler and carries out cooling; 185～200 ℃ of described drying machine temperature ins, 65～85 ℃ of dry outlet material temperature; 45 ± 5 ℃ of described cooler outlet material temperature.
(8) dried material inputted vibration sieve, sieves for the second time, is divided into macrobead, middle particle and three kinds of specifications of small-particle.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 winter wheat special-purpose control-release fertilizer, is characterized in that,
(1) in ratio claimed in claim 1, get each component of inner layer granule and coated fertilizer;
First urea and DMPP are mixed, pulverized; 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 mixing, form solid materials, 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 dried, then sends into cooler and carry out cooling;
(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 turn back to the crusher fragmentation again of step (1);
(4) coated fertilizer Yelkin TTS, polyacrylic acid potassium and Oleum Gossypii semen are poured in stirred pot, after stirring is mixed, particle diameter is squeezed into coating machine spraying coating between material and the coated fertilizer of 1～4mm by hydro-pump;
(5) input of the material after coating drying machine is dried, and then sends into cooler and carries out cooling;
(6) dried material inputted vibration sieves rear metering packing.
2. production method as claimed in claim 2, is characterized in that, the drying machine temperature in of described step (2) is 205～255 ℃, and dry outlet material temperature is 65～85 ℃.
3. production method as claimed in claim 2, is characterized in that, the dry cooling machine outlet material temperature of described step (2) or (5) is 45 ± 5 ℃.
4. production method as claimed in claim 2, is characterized in that, the drying machine temperature in of described step (5) is 185～200 ℃, and dry outlet material temperature is 65～85 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221504.6A CN104030803A (en) | 2014-05-23 | 2014-05-23 | Special controlled-release fertilizer for winter wheat and production method of fertilizer |
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|---|---|---|---|
| CN201410221504.6A CN104030803A (en) | 2014-05-23 | 2014-05-23 | Special controlled-release fertilizer for winter wheat and production method of fertilizer |
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Family
ID=51461833
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| CN201410221504.6A Pending CN104030803A (en) | 2014-05-23 | 2014-05-23 | Special controlled-release fertilizer for winter wheat and production method of fertilizer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292025A (en) * | 2014-10-30 | 2015-01-21 | 潘虹 | Special water-holding and controlled-release fertilizer for wheat |
| CN104478599A (en) * | 2014-12-15 | 2015-04-01 | 山东绿神肥业有限公司 | Special insecticide fertilizer for winter wheat and production method of insecticide fertilizer |
| CN104692929A (en) * | 2015-02-05 | 2015-06-10 | 山东棉花研究中心 | Special medicinal fertilizer for overwintering pisum sativum and production method thereof |
| CN106316704A (en) * | 2016-08-29 | 2017-01-11 | 贵阳开磷化肥有限公司 | Chitosan-coated controlled-release fertilizer for wheat and preparation method of chitosan-coated controlled-release fertilizer |
| CN106365839A (en) * | 2016-08-30 | 2017-02-01 | 贵阳开磷化肥有限公司 | Special wheat controlled-release fertilizer and preparation method thereof |
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| CN1587211A (en) * | 2004-09-20 | 2005-03-02 | 中国农业科学院土壤肥料研究所 | Process for producing water preserving type film coated urea fertilizer |
| CN103102223A (en) * | 2013-03-05 | 2013-05-15 | 孟庆华 | Special lecithin-coated slow release fertilizer for cotton and production method of fertilizer |
| CN103755483A (en) * | 2014-02-18 | 2014-04-30 | 孟庆华 | Special controlled-release fertilizer for summer maize and production method thereof |
-
2014
- 2014-05-23 CN CN201410221504.6A patent/CN104030803A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587211A (en) * | 2004-09-20 | 2005-03-02 | 中国农业科学院土壤肥料研究所 | Process for producing water preserving type film coated urea fertilizer |
| CN103102223A (en) * | 2013-03-05 | 2013-05-15 | 孟庆华 | Special lecithin-coated slow release fertilizer for cotton and production method of fertilizer |
| CN103755483A (en) * | 2014-02-18 | 2014-04-30 | 孟庆华 | Special controlled-release fertilizer for summer maize and production method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292025A (en) * | 2014-10-30 | 2015-01-21 | 潘虹 | Special water-holding and controlled-release fertilizer for wheat |
| CN104292025B (en) * | 2014-10-30 | 2017-02-08 | 浙江家泰电器制造有限公司 | Special water-holding and controlled-release fertilizer for wheat |
| CN104478599A (en) * | 2014-12-15 | 2015-04-01 | 山东绿神肥业有限公司 | Special insecticide fertilizer for winter wheat and production method of insecticide fertilizer |
| CN104692929A (en) * | 2015-02-05 | 2015-06-10 | 山东棉花研究中心 | Special medicinal fertilizer for overwintering pisum sativum and production method thereof |
| CN106316704A (en) * | 2016-08-29 | 2017-01-11 | 贵阳开磷化肥有限公司 | Chitosan-coated controlled-release fertilizer for wheat and preparation method of chitosan-coated controlled-release fertilizer |
| CN106365839A (en) * | 2016-08-30 | 2017-02-01 | 贵阳开磷化肥有限公司 | Special wheat controlled-release fertilizer and preparation method thereof |
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Application publication date: 20140910 |