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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- 239000003337 fertilizer Substances 0.000 title claims abstract description 48
- 240000008042 Zea mays Species 0.000 title claims abstract description 20
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000013270 controlled release Methods 0.000 title claims abstract description 8
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 title claims abstract description 7
- 235000009973 maize Nutrition 0.000 title claims abstract description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 20
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004202 carbamide Substances 0.000 claims abstract description 16
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 13
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims abstract description 13
- 235000019837 monoammonium phosphate Nutrition 0.000 claims abstract description 13
- 239000006012 monoammonium phosphate Substances 0.000 claims abstract description 13
- 238000005469 granulation Methods 0.000 claims abstract description 11
- 230000003179 granulation Effects 0.000 claims abstract description 11
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 11
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 11
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 11
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910021538 borax Inorganic materials 0.000 claims abstract description 10
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 10
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 10
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 10
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 10
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 10
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 10
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 10
- 239000008187 granular material Substances 0.000 claims abstract description 8
- 229920005614 potassium polyacrylate Polymers 0.000 claims abstract description 3
- MKGIQRNAGSSHRV-UHFFFAOYSA-N 1,1-dimethyl-4-phenylpiperazin-1-ium Chemical compound C1C[N+](C)(C)CCN1C1=CC=CC=C1 MKGIQRNAGSSHRV-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000000463 material Substances 0.000 claims description 30
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 17
- 229910052700 potassium Inorganic materials 0.000 claims description 15
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 14
- 229920002125 Sokalan® Polymers 0.000 claims description 14
- 239000004584 polyacrylic acid Substances 0.000 claims description 14
- 239000011591 potassium Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 7
- 210000000582 semen Anatomy 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 238000009479 steam granulation Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract description 13
- 235000005822 corn Nutrition 0.000 abstract description 13
- 239000000618 nitrogen fertilizer Substances 0.000 abstract description 12
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 abstract description 4
- 239000012141 concentrate Substances 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- LXKCHCXZBPLTAE-UHFFFAOYSA-N 3,4-dimethyl-1H-pyrazole phosphate Chemical compound OP(O)(O)=O.CC1=CNN=C1C LXKCHCXZBPLTAE-UHFFFAOYSA-N 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 230000036512 infertility Effects 0.000 description 2
- 208000000509 infertility Diseases 0.000 description 2
- 231100000535 infertility Toxicity 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- -1 special excellent Chemical compound 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- GICXAEXCAZHIEE-UHFFFAOYSA-N P.[K+] Chemical group P.[K+] GICXAEXCAZHIEE-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- PPBAJDRXASKAGH-UHFFFAOYSA-N azane;urea Chemical compound N.NC(N)=O PPBAJDRXASKAGH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Fertilizers (AREA)
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.
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| 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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| 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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| Publication Number | Publication Date |
|---|---|
| CN103755483A CN103755483A (en) | 2014-04-30 |
| CN103755483B true CN103755483B (en) | 2016-01-20 |
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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 |
| CN102424641A (en) * | 2011-09-20 | 2012-04-25 | 山东大学 | Corn slow-release fertilizer |
| CN102491838A (en) * | 2011-11-30 | 2012-06-13 | 新疆慧尔农业科技发展有限公司 | Special long-acting slow release fertilizer for corn and preparation method thereof |
| 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
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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 |
| CN102491838A (en) * | 2011-11-30 | 2012-06-13 | 新疆慧尔农业科技发展有限公司 | Special long-acting slow release fertilizer for corn and preparation method thereof |
| 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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| CN103755483A (en) | 2014-04-30 |
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