CN103848684B - Water-soluble compound fertilizer and preparation method thereof - Google Patents
Water-soluble compound fertilizer and preparation method thereof Download PDFInfo
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- CN103848684B CN103848684B CN201410070639.7A CN201410070639A CN103848684B CN 103848684 B CN103848684 B CN 103848684B CN 201410070639 A CN201410070639 A CN 201410070639A CN 103848684 B CN103848684 B CN 103848684B
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 143
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 150000001875 compounds Chemical class 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000002156 mixing Methods 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 239000004575 stone Substances 0.000 claims abstract description 21
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 18
- 229940090496 Urease inhibitor Drugs 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000002601 urease inhibitor Substances 0.000 claims abstract description 16
- 239000005696 Diammonium phosphate Substances 0.000 claims abstract description 14
- 229920000805 Polyaspartic acid Polymers 0.000 claims abstract description 14
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims abstract description 14
- 235000019838 diammonium phosphate Nutrition 0.000 claims abstract description 14
- 108010064470 polyaspartate Proteins 0.000 claims abstract description 14
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004202 carbamide Substances 0.000 claims abstract description 13
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims abstract description 13
- 229910052939 potassium sulfate Inorganic materials 0.000 claims abstract description 13
- 235000011151 potassium sulphates Nutrition 0.000 claims abstract description 13
- 230000001678 irradiating effect Effects 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims description 40
- 239000008187 granular material Substances 0.000 claims description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 22
- 150000002500 ions Chemical class 0.000 claims description 17
- 239000003112 inhibitor Substances 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 12
- 150000004985 diamines Chemical class 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 238000010298 pulverizing process Methods 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 4
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004021 humic acid Substances 0.000 claims description 2
- LXKCHCXZBPLTAE-UHFFFAOYSA-N 3,4-dimethyl-1H-pyrazole phosphate Chemical compound OP(O)(O)=O.CC1=CNN=C1C LXKCHCXZBPLTAE-UHFFFAOYSA-N 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 239000002270 dispersing agent Substances 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 210000002381 plasma Anatomy 0.000 abstract 2
- 229920002125 Sokalan® Polymers 0.000 abstract 1
- 235000013877 carbamide Nutrition 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 244000005700 microbiome Species 0.000 abstract 1
- 239000004584 polyacrylic acid Substances 0.000 abstract 1
- DCUJJWWUNKIJPH-UHFFFAOYSA-N nitrapyrin Chemical compound ClC1=CC=CC(C(Cl)(Cl)Cl)=N1 DCUJJWWUNKIJPH-UHFFFAOYSA-N 0.000 description 10
- 239000011573 trace mineral Substances 0.000 description 7
- 235000013619 trace mineral Nutrition 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000003042 antagnostic effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 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 description 1
- MHFJVNPAABECCX-UHFFFAOYSA-N 3,4-dimethylpyridine phosphoric acid Chemical compound P(=O)(O)(O)O.CC=1C=NC=CC1C MHFJVNPAABECCX-UHFFFAOYSA-N 0.000 description 1
- FRXSZNDVFUDTIR-UHFFFAOYSA-N 6-methoxy-1,2,3,4-tetrahydroquinoline Chemical compound N1CCCC2=CC(OC)=CC=C21 FRXSZNDVFUDTIR-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- KYAXVUURGCWDJW-UHFFFAOYSA-N [K].P(=O)(O)(O)[O-].[NH4+] Chemical compound [K].P(=O)(O)(O)[O-].[NH4+] KYAXVUURGCWDJW-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- KQTVWCSONPJJPE-UHFFFAOYSA-N etridiazole Chemical compound CCOC1=NC(C(Cl)(Cl)Cl)=NS1 KQTVWCSONPJJPE-UHFFFAOYSA-N 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000003630 growth substance Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Abstract
The invention discloses a water-soluble compound fertilizer, belongs to the field of crop fertilizers and particularly relates to a water-soluble compound fertilizer treated by using a plasma process. The compound fertilizer comprises urea, diammonium phosphate, potassium sulfate, medical stone, polyacrylamide, polyaspartic acid, a urease inhibitor and a dispersing agent. A preparation method of the compound fertilizer comprises the following steps: irradiating fertilizer particle by utilizing plasmas to dissociate the inorganic fertilizer into an ionic state, mixing with the polyacrylic acid, adsorbing the mixture by using medical stone powder, adding the dispersing agent and fully mixing till the fertilizer presents water solubility and can be stably dissolved or suspended in water. The compound fertilizer is applied along with water and is suitable for the integration of water and a fertilizer. The compound fertilizer can be rapidly absorbed by crops, is rapid in effect, lasting in fertilizer effect, friendly to environment and free of pollution in a productive process, simple and controllable in production process and has the advantages of increasing the plant activity and the product quality, increasing the activity of microorganisms in soil and increasing the fertilizer absorptivity and utilization rate of plants. The compound fertilizer is suitable for industrial production.
Description
Technical field
The invention belongs to Crop fertilizer field, what be specifically related to a kind of plasma process process can water-soluble composite fertilizer.
Background technology
China is populous, in order to meet grain demand, needs to use chemical fertilizer to improve its output.The fertilizer that China uses at present on a large scale still belongs to Common compound fertilizer or single chemical fertilizer, and composite fertilizer is roughly divided into and is made into type composite fertilizer and mix type composite fertilizer.The type composite fertilizer of being made into comprises monoammonium phosphate, diammonium phosphate, nitrophosphate fertilizer, saltpetre, potassium primary phosphate, Nitrogen, Phosphorus and Potassium are several, and binary compound fertilizer nutrient formula is fairly simple.Mix type composite fertilizer refers to the fertilizer carrying out granulation or directly blending with finished product chemical fertilizer of simple substance, and major part is secondary processing.A large amount of general nutrient of composite fertilizer used is more fixing at present, and water-soluble is not fine, and fertilizer efficiency is low, and the fertilizer efficiency time length is short, causes a large amount of wastes of fertilizer, and life-time service chemical fertilizer, easily cause soil compaction, soil depletion, contaminate environment.
In order to improve composite fertilizer's fertilizer efficiency, sight is transferred in Water soluble fertilizer by everybody at present.Water soluble fertilizer is a kind of new-type fertilizer, also belongs to multi-component composite fertilizer, and wherein with the addition of various trace element and growth regulator needed for plant, fertilizer efficiency exceeds much than Common compound fertilizer fertilizer.But azophoska wherein fully can not be hydrolyzed into ionic forms, and element major part is absorbed by plants with ionic forms, reduce the utilization ratio of fertilizer and the uptake rate of plant.
Chinese invention patent publication number CN 102924188 A discloses a kind of Ammonium potassium phosphate composite water-soluble fertilizer.The method is formed by directly mixing water miscible azophoska.
Chinese invention patent publication number CN 1762921 A discloses a kind of multiple nutrient water-soluble solid composite chelate fertilizer and preparation method thereof.The method is by N P and K, and chelated microelements mixing, more in addition other additives form.
Chinese invention patent publication number CN 102417421 A discloses a kind of Full water-soluble nitro compound fertilizer and preparation method thereof.The method is that modified nitrocellulose is fertile, and chelated microelements mixes.
Chinese invention patent publication number CN 1504438 A discloses a kind of plasma environmental modified microbial agriculture fertilizer.This fertilizer utilizes plasma process, carries out plasma irradiating process, make each thalline show very high activity, for fertilizer to the solid potassium bacterium of each biological bacteria phosphorus bacterium as solid in vinelandii.But organism is irradiated, but ionising treatment is not carried out to fertiliser granulates, fertilizer therefore can not be made to play the effect of fast onset.
Patent described above all discloses the preparation method of Water soluble fertilizer, though wherein can be water-soluble, but fertiliser granulates N P and K all can not complete hydrolysis in water, be lost in soil, reduce plant to the specific absorption of fertilizer and utilization ratio, and the chelated microelements wherein added is compound, expensive, result in the high expensive of water-soluble fertilizer, have impact on the popularization of water-soluble fertilizer.
Summary of the invention
In order to solve above-mentioned deficiency and defect, the present invention proposes a kind of water soluble composite fertilizer.This composite fertilizer is that using plasma carries out radiation treatment to fertiliser granulates, utilize the high-energy that low-temperature plasma has, realize the ionization to fertiliser granulates, make fertilizer absorbed by crops fast with the form of ion, facilitate the uptake rate of plant to nutrient.At the water miscible mineral adsorbed ion of employing, plant can be made to absorb ion fast, the ionization of stabile fertilizer, fertilizer efficiency can be kept again lasting, improve the utilization ratio of fertilizer.In this composite fertilizer, medical stone contains various trace element needed for plant and rare earth element, energy Promoting plant growth, strengthen vegetable active, improve crop product quality, can Soil structure be improved simultaneously, keep soil from packing together, low price simultaneously, avoid using compound trace element, this fertilizer prevented from caking, Production Flow Chart is brief.
Invention further provides a kind of preparation method of water soluble composite fertilizer, the method now inorganic mineral is carried out water-soluble process, be crushed to 1000 ~ 2000 orders, with nitrogen low-temperature plasma, fertiliser granulates is irradiated simultaneously, it is made to resolve into ion, with medical stone, it is adsorbed again, both can ensure that plant can absorb ion fast, had and can keep fertilizer simultaneously.Again mixture is mixed with other additives, increase that it is water-soluble, strengthen fertilizer efficiency.
A kind of water soluble composite fertilizer, it is characterized in that, this composite fertilizer is made up of following material: urea 20% ~ 40%, diammonium phosphate 25% ~ 40%, potassium sulfate 15% ~ 30%, medical stone 10% ~ 25%, polyacrylamide 0.1% ~ 6%, dispersion agent 0.1% ~ 4%, poly aspartic acid 0.1% ~ 2%, urease inhibitor 0.1% ~ 2%, nitrification inhibitor 0.1% ~ 2%.
Wherein said dispersion agent is one or more mixtures of following material: carboxymethyl cellulose, Natvosol, Polyvinylpyrolidone (PVP), open Pu Shi resin.
Wherein said urease inhibitor is one or several following mixtures: O-diphenylphosphoryl diamines (PPD), N-butyl thiophosphoryl diamines (BTPT), cyanogen quinone (HQ), and humic acid, the present invention is preferably O-diphenylphosphoryl diamines (PPD).
Wherein said nitrification inhibitor is one or more following mixtures: Dyhard RU 100 (the chloro-6-(trichloromethyl of DCD, 2-) pyridine (Nitrapyrin), 5-oxyethyl group-3-trichloromethyl-1,2,4-thiadiazole (Terrazole), 3,4-lutidine phosphoric acid salt (DMPP), the present invention is preferably the chloro-6-(trichloromethyl of 2-) pyridine (Nitrapyrin).
Above-mentioned middle dispersion agent is opened Pu Shi resin and is had good dispersing property, the medical stone of miniaturization and the mixed powder of fertiliser granulates can be made to spread out in water uniformly, and also can make the mobility that mixed powder keeps certain in water, maintain the stability of solution, be long placed in without precipitation, the water-fertilizer integral of Water soluble fertilizer can be applicable to.
A kind of water soluble composite fertilizer of the present invention, it is characterized in that, its preparation method comprises the following steps:
(1), by the medical stone grinding machine of 10% ~ 25% 1000 ~ 2000 orders are ground to, stand-by;
(2), by fertiliser granulates 20% ~ 40% urea, 25% ~ 40% diammonium phosphate, 15% ~ 30% potassium sulfate is sent in plasma reactor and is carried out plasma irradiating process, fertiliser granulates is pulverized and ionization, plasma reactor power input is 1000W ~ 5000W, frequency is 10 ~ 20KHz, and irradiation temperature is 25 DEG C ~ 35 DEG C, and input bleed pressure is 0.008MPa ~ 0.020MPa;
(3), the fertilizer particle after middle to the maifanite powder of gained in step (1) and step (2) pulverizing is sent to abundant mixing and absorption in reactor, add 0.1% ~ 6% polyacrylamide mixing simultaneously, setting churning time 20min ~ 60min, whipping temp, 25 DEG C ~ 50 DEG C, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add the dispersion agent of 0.1% ~ 4%, 0.1% ~ 2% poly aspartic acid, 0.1% ~ 2% urease inhibitor, 0.1% ~ 2% nitrification inhibitor joins in mixing machine and fully mixes, mixing machine rotating speed 20r/min ~ 50r/min, churning time 20min ~ 30min;
(5), by the discharging of step (4) gained mixture, packaging, a kind of water soluble composite fertilizer.
In above-mentioned preparation method's step (1), utilize ball mill that medical stone is ground to 1000 ~ 2000 orders, maifanite powder can suspend and be dissolved in water, and its particle can not blocking pipe, can be added in Water soluble fertilizer, irrigate with water.
In above-mentioned preparation method's step (2), plasma body is utilized to irradiate fertiliser granulates, this plasma body selects nitrogen low-temperature plasma, plasma body is the conducting gas that positive and negative charged particle densities is equal, under the effect of extra electric field, unbound electron a small amount of in gas is accelerated the higher energy of acquisition, these high-energy electrons and gas molecule or atom generation elasticity and radiative collision, radiative collision increases the interior energy of molecule, reactions such as making it to excite, ionize, be broken.The present invention adopts nitrogen low-temperature plasma, and the unbound electron in nitrogen is accelerated, and obtains high-energy, high speed radiative collision is carried out again with the molecule in fertiliser granulates, increase the energy of fertiliser granulates Middle molecule, make the bond rupture of fertiliser granulates molecule intermediate ion, thus make molecular ionization become ion.Gas adopts nitrogen, being rare gas element, when carrying out plasma irradiating, can not reacting with fertiliser granulates molecule; Adopt low temperature, low temperature can be adjusted to-10 DEG C ~ 50 DEG C, and temperature can not be caused too high, makes fertiliser granulates molecular breakdown become other materials, also avoids the generation of the too high caking phenomenon of temperature.
In the plasma reactor used in above-mentioned preparation method's step (2), plasma emitters is installed, plasma emitters is arranged in the middle part of plasma reactor, plasma reactor two ends are respectively opening for feed and discharge port, screw rod is utilized to advance material to move continuously, plasma emitters launches nitrogen low-temperature plasma, material is being moved within the scope of plasma emitters by screw rod propelling, irradiated by nitrogen low-temperature plasma, screw rod continues to advance material to move, to discharge port, discharging, this plasma reactor can carry out operate continuously.
In above-mentioned preparation method's step (3), mix with the fertiliser granulates after plasma irradiating with the maifanite powder in step (1) and polyacrylamide, polyacrylamide can carry out chelating with ion, be wrapped in ion surface, prevent ion again to combine, have simultaneously and prevent the antagonistic action of each ion in soil.Maifanite powder has good adsorptivity, and thinner adsorption effect is better, at this adsorbable ion, ion can be made in soil not produce loss, improve the utilization ratio of fertilizer, extend the fertilizer efficiency time, and medical stone contains various trace element needed for plant and rare earth element, can improve vegetable active, growth promoting effects, improve crop quality, and can soil be improved.
The present invention's plasma process carries out radiation treatment to fertiliser granulates, fertiliser granulates is made to be broken down into ionic condition, with polyacrylamide, height mixing is carried out to it again, make each ion surface coated by polyacrylamide, ion is prevented to combine again, by the medical stone powder foot couple containing abundant trace element, it adsorbs simultaneously, maintains fertilizer efficiency; Wherein maifanite powder is ultrafine powder, can be dissolved in water, in the water in suspension that the dispersion agent energy powder simultaneously added is even and stable, does not produce precipitation, can irrigate, not blocking pipe with water.The present invention composite fertilizer of plasma process process, can be absorbed by plants with ionic condition, instant effect fast, and contained trace element is abundant, Promoting plant growth, strengthens the resistance of plant, can improve Soil structure simultaneously, do not lump, production process is free from environmental pollution, and technique is simply controlled.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention
A kind of water soluble composite fertilizer of the present invention, its outstanding feature is:
1, the present invention's plasma process process fertiliser granulates; fertilizer is made to be split into each ion; be conducive to the quick absorption of plant to fertilizer; adopt polyacrylamide to mix with Ionized fertiliser granulates simultaneously; both each element of chelating; prevent the antagonistic action in soil, prevent again ion to be combined into molecule at this simultaneously, maintain Ionized stability.By medical stone powder foot couple, it adsorbs simultaneously, prevents the loss of fertilizer, keeps fertilizer efficiency lasting.Maifanite powder carries out refinement, then adds dispersion agent, can uniform and stable suspension be dissolved in water, can fertigation together with water, is applied to water-fertilizer integral.And applying this composite fertilizer, each trace element is sufficient, plant instant effect, and can prevent soil aging and harden.
2, the present invention with the addition of poly aspartic acid, improves the activity of plant, and plant can be made to absorb fertilizer nutrient fast, improve the absorption of fertilizer, add urease inhibitor and nitrification inhibitor simultaneously, used in combination, the nitrification of nitrogen can be prevented, improve the utilization ratio of fertilizer.
3, flow process of the present invention is brief, and processing condition are easily controlled, non-pollution discharge, and raw material is easy to get, and cost is low, is applicable to industrial production.
concrete case study on implementation
case study on implementation 1a kind of water soluble composite fertilizer, each component proportion is as follows, is weight part:
Urea 25%, diammonium phosphate 30%, potassium sulfate 20%, medical stone 15%, polyacrylamide 4%, carboxymethyl cellulose 3%, poly aspartic acid 2%, the chloro-6-(trichloromethyl of urease inhibitor O-diphenylphosphoryl diamines (PPD) 0.5%, nitrification inhibitor 2-) pyridine (Nitrapyrin) 0.5%.
Preparation method is as follows:
(1), by the medical stone grinding machine of 15% 1000 ~ 2000 orders are ground to, stand-by;
(2), by fertiliser granulates 25% urea, 30% diammonium phosphate, 20% potassium sulfate is sent in plasma reactor and is carried out plasma irradiating process, fertiliser granulates is pulverized and ionization, plasma reactor power input is 1000W ~ 5000W, frequency is 10 ~ 20KHz, and irradiation temperature is 25 DEG C ~ 35 DEG C, and input bleed pressure is 0.008MPa ~ 0.020MPa;
(3), the fertilizer particle after middle to the maifanite powder of gained in step (1) and step (2) pulverizing is sent to abundant mixing and absorption in reactor, add 4% polyacrylamide mixing simultaneously, setting churning time 20min ~ 60min, whipping temp, 25 DEG C ~ 50 DEG C, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add the dispersion agent carboxymethyl cellulose of 3%, 2% poly aspartic acid, 0.5% urease inhibitor O-diphenylphosphoryl diamines (PPD), the chloro-6-(trichloromethyl of 0.5% nitrification inhibitor 2-) pyridine (Nitrapyrin) joins in mixing machine and fully mixes, mixing machine rotating speed 20r/min ~ 50r/min, churning time 20min ~ 30min;
(5), by the discharging of step (4) gained mixture, packaging, a kind of water soluble composite fertilizer.
The implementation case gained content and national standard contrast:
case study on implementation 2a kind of water soluble composite fertilizer, each component proportion is as follows, is weight part:
urea 24%, diammonium phosphate 33%, potassium sulfate 20%, medical stone 15%, polyacrylamide 4%, opens Pu Shi resin 1%, poly aspartic acid 2%, the chloro-6-(trichloromethyl of urease inhibitor O-diphenylphosphoryl diamines (PPD) 0.5%, nitrification inhibitor 2-) pyridine (Nitrapyrin) 0.5%.
Preparation method is as follows:
(1), by the medical stone grinding machine of 15% 1000 ~ 2000 orders are ground to, stand-by;
(2), by fertiliser granulates 24% urea, 33% diammonium phosphate, 20% potassium sulfate is sent in plasma reactor and is carried out plasma irradiating process, fertiliser granulates is pulverized and ionization, plasma reactor power input is 1000W ~ 5000W, frequency is 10 ~ 20KHz, and irradiation temperature is 25 DEG C ~ 35 DEG C, and input bleed pressure is 0.008MPa ~ 0.020MPa;
(3), the fertilizer particle after middle to the maifanite powder of gained in step (1) and step (2) pulverizing is sent to abundant mixing and absorption in reactor, add 4% polyacrylamide mixing simultaneously, setting churning time 20min ~ 60min, whipping temp, 25 DEG C ~ 50 DEG C, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, the dispersion agent adding 1% opens Pu Shi resin, 2% poly aspartic acid, 0.5% urease inhibitor O-diphenylphosphoryl diamines (PPD), the chloro-6-(trichloromethyl of 0.5% nitrification inhibitor 2-) pyridine (Nitrapyrin) joins in mixing machine and fully mixes, mixing machine rotating speed 20r/min ~ 50r/min, churning time 20min ~ 30min;
(5), by the discharging of step (4) gained mixture, packaging, a kind of water soluble composite fertilizer.
The implementation case gained content and national standard contrast:
case study on implementation 3a kind of water soluble composite fertilizer, each component proportion is as follows, is weight part:
urea 23%, diammonium phosphate 33%, potassium sulfate 20%, medical stone 15%, polyacrylamide 4%, Polyvinylpyrolidone (PVP) 2%, poly aspartic acid 2%, the chloro-6-(trichloromethyl of urease inhibitor O-diphenylphosphoryl diamines (PPD) 0.5%, nitrification inhibitor 2-) pyridine (Nitrapyrin) 0.5%.
Preparation method is as follows:
(1), by the medical stone grinding machine of 15% 1000 ~ 2000 orders are ground to, stand-by;
(2), by fertiliser granulates 23% urea, 33% diammonium phosphate, 20% potassium sulfate is sent in plasma reactor and is carried out plasma irradiating process, fertiliser granulates is pulverized and ionization, plasma reactor power input is 1000W ~ 5000W, frequency is 10 ~ 20KHz, and irradiation temperature is 25 DEG C ~ 35 DEG C, and input bleed pressure is 0.008MPa ~ 0.020MPa;
(3), the fertilizer particle after middle to the maifanite powder of gained in step (1) and step (2) pulverizing is sent to abundant mixing and absorption in reactor, add 4% polyacrylamide mixing simultaneously, setting churning time 20min ~ 60min, whipping temp, 25 DEG C ~ 50 DEG C, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add the polyethylene of dispersing agent base pyrrolidone of 2%, 2% poly aspartic acid, 0.5% urease inhibitor O-diphenylphosphoryl diamines (PPD), the chloro-6-(trichloromethyl of 0.5% nitrification inhibitor 2-) pyridine (Nitrapyrin) joins in mixing machine and fully mixes, mixing machine rotating speed 20r/min ~ 50r/min, churning time 20min ~ 30min;
(5), by the discharging of step (4) gained mixture, packaging, a kind of water soluble composite fertilizer.
The implementation case gained content and national standard contrast:
case study on implementation 4a kind of water soluble composite fertilizer, each component proportion is as follows, is weight part:
urea 21%, diammonium phosphate 35%, potassium sulfate 20%, medical stone 15%, polyacrylamide 3%, Natvosol 3%, poly aspartic acid 2%, the chloro-6-(trichloromethyl of urease inhibitor O-diphenylphosphoryl diamines (PPD) 0.5%, nitrification inhibitor 2-) pyridine (Nitrapyrin) 0.5%.
Preparation method is as follows:
(1), by the medical stone grinding machine of 15% 1000 ~ 2000 orders are ground to, stand-by;
(2), by fertiliser granulates 21% urea, 35% diammonium phosphate, 20% potassium sulfate is sent in plasma reactor and is carried out plasma irradiating process, fertiliser granulates is pulverized and ionization, plasma reactor power input is 1000W ~ 5000W, frequency is 10 ~ 20KHz, and irradiation temperature is 25 DEG C ~ 35 DEG C, and input bleed pressure is 0.008MPa ~ 0.020MPa;
(3), the fertilizer particle after middle to the maifanite powder of gained in step (1) and step (2) pulverizing is sent to abundant mixing and absorption in reactor, add 3% polyacrylamide mixing simultaneously, setting churning time 20min ~ 60min, whipping temp, 25 DEG C ~ 50 DEG C, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add the dispersion agent Natvosol of 3%, 2% poly aspartic acid, 0.5% urease inhibitor O-diphenylphosphoryl diamines (PPD), the chloro-6-(trichloromethyl of 0.5% nitrification inhibitor 2-) pyridine (Nitrapyrin) joins in mixing machine and fully mixes, mixing machine rotating speed 20r/min ~ 50r/min, churning time 20min ~ 30min;
(5), by the discharging of step (4) gained mixture, packaging, a kind of water soluble composite fertilizer.
The implementation case gained content and national standard contrast:
Claims (6)
1. a water soluble composite fertilizer, it is characterized in that: this composite fertilizer is made up of following material: urea 20% ~ 40%, diammonium phosphate 25% ~ 40%, potassium sulfate 15% ~ 30%, medical stone 10% ~ 25%, polyacrylamide 0.1% ~ 6%, dispersion agent 0.1% ~ 4%, poly aspartic acid 0.1% ~ 2%, urease inhibitor 0.1% ~ 2%, nitrification inhibitor 0.1% ~ 2%, wherein said dispersion agent is one or more mixtures of following material: carboxymethyl cellulose, Natvosol, Polyvinylpyrolidone (PVP), open Pu Shi resin; Wherein said urease inhibitor is one or several following mixtures: O-diphenylphosphoryl diamines, N-butyl thiophosphoryl diamines, cyanogen quinone, humic acid; Wherein said nitrification inhibitor is one or more following mixtures: the chloro-6-(trichloromethyl of Dyhard RU 100,2-) pyridine, 5-oxyethyl group-3-trichloromethyl-1,2,4-thiadiazole, 3,4-dimethyl pyrazole phosphoric acid salt; Water soluble composite fertilizer is by preparation method's gained of following steps:
(1), by the medical stone grinding machine of 10% ~ 25% 1000 ~ 2000 orders are ground to, stand-by;
(2), by fertiliser granulates 20% ~ 40% urea, 25% ~ 40% diammonium phosphate, 15% ~ 30% potassium sulfate is sent in plasma reactor and is carried out plasma irradiating process, and fertiliser granulates is pulverized and ionization;
(3), the fertilizer particle after middle to the maifanite powder of gained in step (1) and step (2) pulverizing is sent to abundant mixing and absorption in reactor, add the polyacrylamide mixing of 0.1% ~ 6% simultaneously, setting churning time 20min ~ 60min, whipping temp, 25 DEG C ~ 50 DEG C, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add the dispersion agent of 0.1% ~ 4%, 0.1% ~ 2% poly aspartic acid, 0.1% ~ 2% urease inhibitor, 0.1% ~ 2% nitrification inhibitor joins in mixing machine and fully mixes, mixing machine rotating speed 20r/min ~ 50r/min, churning time 20min ~ 30min;
(5), by the discharging of step (4) gained mixture, packaging, a kind of water soluble composite fertilizer.
2. a kind of water soluble composite fertilizer according to claim 1, it is characterized in that: in the plasma reactor in method described in step (2), plasma emitters is arranged in the middle part of plasma reactor, plasma reactor two ends are respectively opening for feed and discharge port, screw rod is utilized to advance material to move continuously, plasma emitters launches nitrogen low-temperature plasma, material is being moved within the scope of plasma emitters by screw rod propelling, irradiated by nitrogen low-temperature plasma, screw rod continues to advance material to move, to discharge port, discharging, this plasma reactor can carry out operate continuously.
3. a kind of water soluble composite fertilizer according to claim 1, it is characterized in that: the plasma reactor in method described in step (2), wherein plasma emitter adopts nitrogen low-temperature plasma, air compressor pressurized air, filter nitrogen, for plasma emitters provides source nitrogen.
4. a kind of water soluble composite fertilizer according to claim 1, it is characterized in that: the plasma reactor in method described in step (2), wherein power 1000W ~ 10000W, frequency 10 ~ 20kHz, temperature range: 25 DEG C ~ 40 DEG C, input bleed pressure 0.008MPa ~ 0.020MPa.
5. a kind of water soluble composite fertilizer according to claim 1, it is characterized in that: the plasma reactor in method described in step (2), setting power is preferably 1000W ~ 5000W, and frequency is 10 ~ 20kHz, temperature is 25 DEG C ~ 35 DEG C, and input bleed pressure is 0.008MPa ~ 0.020MPa.
6. a kind of water soluble composite fertilizer according to claim 1, it is characterized in that: the plasma reactor in method described in step (2), utilize nitrogen low-temperature plasma to irradiate fertiliser granulates, make the bond rupture of fertiliser granulates molecule intermediate ion, present ionization state.
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| CN112239382A (en) * | 2020-09-24 | 2021-01-19 | 中化现代农业有限公司 | Preparation of special high-tower water-retention long-acting fertilizer for improving wheat quality and application of special high-tower water-retention long-acting fertilizer in wheat topdressing |
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| CN203079866U (en) * | 2012-12-17 | 2013-07-24 | 吉林农业大学 | Equipment for preparing desert greening special fertilizer |
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