CN103848684A - Water-soluble compound fertilizer and preparation method thereof - Google Patents
Water-soluble compound fertilizer and preparation method thereof Download PDFInfo
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- CN103848684A CN103848684A CN201410070639.7A CN201410070639A CN103848684A CN 103848684 A CN103848684 A CN 103848684A CN 201410070639 A CN201410070639 A CN 201410070639A CN 103848684 A CN103848684 A CN 103848684A
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 142
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 150000001875 compounds Chemical class 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 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 17
- 239000002601 urease inhibitor Substances 0.000 claims abstract description 17
- 239000000843 powder 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 37
- 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 24
- 150000002500 ions Chemical class 0.000 claims description 18
- 239000003112 inhibitor Substances 0.000 claims description 16
- 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
- DCUJJWWUNKIJPH-UHFFFAOYSA-N nitrapyrin Chemical compound ClC1=CC=CC(C(Cl)(Cl)Cl)=N1 DCUJJWWUNKIJPH-UHFFFAOYSA-N 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 239000012467 final product Substances 0.000 claims description 6
- 238000000227 grinding 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
- 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 description 2
- MHFJVNPAABECCX-UHFFFAOYSA-N 3,4-dimethylpyridine phosphoric acid Chemical compound P(=O)(O)(O)O.CC=1C=NC=CC1C MHFJVNPAABECCX-UHFFFAOYSA-N 0.000 claims description 2
- 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
- KQTVWCSONPJJPE-UHFFFAOYSA-N etridiazole Chemical compound CCOC1=NC(C(Cl)(Cl)Cl)=NS1 KQTVWCSONPJJPE-UHFFFAOYSA-N 0.000 claims description 2
- 239000004021 humic acid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 12
- 239000002689 soil Substances 0.000 abstract description 12
- 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
- 239000011573 trace mineral Substances 0.000 description 6
- 235000013619 trace mineral Nutrition 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 235000015097 nutrients Nutrition 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
- 229910052700 potassium Inorganic materials 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
- WZLMXYBCAZZIRQ-UHFFFAOYSA-N [N].[P].[K] Chemical compound [N].[P].[K] WZLMXYBCAZZIRQ-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
- 229910052698 phosphorus Inorganic materials 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
- 239000000047 product Substances 0.000 description 2
- 230000001737 promoting effect Effects 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
- 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
- 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
- INQZXVMNJLSCGI-UHFFFAOYSA-M azanium;potassium;hydrogen phosphate Chemical compound [NH4+].[K+].OP([O-])([O-])=O INQZXVMNJLSCGI-UHFFFAOYSA-M 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
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 229940039229 general nutrients Drugs 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 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
- 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
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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 farm crop fertilizer field, be specifically related to a kind of with plasma process processing can water-soluble composite fertilizer.
Background technology
China is populous, in order to meet grain demand, need to improve its output with chemical fertilizer.China at present extensive fertilizer using 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 that monoammonium phosphate, diammonium phosphate, nitrophosphate fertilizer, saltpetre, potassium primary phosphate, Nitrogen, Phosphorus and Potassium are several, and binary compound fertilizer nutrient proportioning is fairly simple.Mix type composite fertilizer refers to and carries out granulation or fertilizer that directly blending forms with finished product chemical fertilizer of simple substance, and major part is secondary processing.A large amount of general nutrients of composite fertilizer that use are more fixing at present, and water-soluble is not fine, and fertilizer efficiency is low, and the fertilizer efficiency time length is short, has caused a large amount of wastes of fertilizer, and life-time service chemical fertilizer, easily causes soil compaction, soil depletion, contaminate environment.
In order to improve composite fertilizer's fertilizer efficiency, everybody transfers to sight on water-soluble fertilizer at present.Water-soluble fertilizer is a kind of new-type fertilizer, also belongs to multi-component composite fertilizer, has wherein added the required various trace elements of plant and growth regulator, and fertilizer efficiency exceeds much than Common compound fertilizer fertilizer.But azophoska wherein can not fully be hydrolyzed into ionic forms, and element major part is to be absorbed by plants with ionic forms, has reduced the utilization ratio of fertilizer and the uptake rate of plant.
Chinese invention patent publication number CN 102924188 A disclose the compound water-soluble fertilizer of a kind of potassium-ammonium phosphate.The method is that water miscible azophoska is formed by directly mixing.
Chinese invention patent publication number CN 1762921 A disclose a kind of multiple nutrient water-soluble solid composite chelate fertilizer and preparation method thereof.The method is by nitrogen phosphorus potassium, and chelated microelements mixes, more in addition other additives form.
Chinese invention patent publication number CN 102417421 A disclose a kind of Full water-soluble nitro compound fertilizer and preparation method thereof.The method is that chelated microelements mixes by modification nitro fertilizer.
Chinese invention patent publication number CN 1504438 A disclose the plasma environmental modified microbial agriculture fertilizer of a kind of use.This fertilizer is to utilize plasma process, and the solid potassium bacterium of each biological bacteria phosphorus bacterium as solid in vinelandii is carried out to plasma irradiating processing, makes each thalline show very high activity, for fertilizer.But organism is irradiated, but fertiliser granulates is not carried out to ionising treatment, therefore can not make fertilizer play the effect taking effect fast.
Patent described above all discloses the preparation method of water-soluble fertilizer, though wherein can be water-soluble, but fertiliser granulates nitrogen phosphorus potassium all can not complete hydrolysis in water, be lost in soil, reduced specific absorption and the utilization ratio of plant to fertilizer, and wherein add chelated microelements be compound, expensive, cause the high expensive of water-soluble fertilizer, affected 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, the high-energy that utilizes low-temperature plasma to have, realize the ionization to fertiliser granulates, make fertilizer absorbed by crops fast with the form of ion, promoted the uptake rate of plant to nutrient.Adopting water miscible mineral adsorbed ion, can make plant absorb fast ion, the ionization of stabile fertilizer, can keep again fertilizer efficiency lasting, improves the utilization ratio of fertilizer.In this composite fertilizer, medical stone contains plant required various trace elements and rare earth element, energy Promoting plant growth, strengthen vegetable active, improve crop product quality, can improve Soil structure, keep soil from packing together simultaneously, low price simultaneously, avoid using compound trace element, this fertilizer prevented from caking, Production Flow Chart is brief.
The present invention further provides a kind of preparation method of water soluble composite fertilizer, the method is now inorganic mineral to be carried out to water-soluble processing, be crushed to 1000 ~ 2000 orders, with nitrogen low-temperature plasma, fertiliser granulates is irradiated simultaneously, make it resolve into ion, with medical stone, it is adsorbed again, both can guarantee 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-phenyl phosphoryl diamine (PPD), N-butyl thiophosphoryl diamines (BTPT), cyanogen quinone (HQ), and humic acid, the present invention is preferably O-phenyl phosphoryl diamine (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, can make the medical stone of miniaturization and the mixed powder of fertiliser granulates in water, spread out uniformly, and also can make mixed powder in water, keep certain mobility, keep the stability of solution, be long placed in without precipitation, can be applicable to the water-fertilizer integral of water-soluble fertilizer.
A kind of water soluble composite fertilizer of the present invention, is characterized in that, its preparation method comprises the following steps:
(1), 10% ~ 25% medical stone is ground to 1000 ~ 2000 orders with grinding machine, stand-by;
(2), by fertiliser granulates 20% ~ 40% urea, 25% ~ 40% diammonium phosphate, 15% ~ 30% potassium sulfate is sent into and in plasma reactor, is carried out plasma irradiating processing, fertiliser granulates is pulverized and ionization, plasma reactor power input is 1000W ~ 5000W, frequency is 10 ~ 20KHz, and irradiation temperature is 25 ℃ ~ 35 ℃, and input bleed pressure is 0.008MPa ~ 0.020MPa;
(3), the fertilizer particle after pulverizing in the maifanite powder of gained in step (1) and step (2) is sent to abundant mixing and absorption in reactor, add 0.1% ~ 6% polyacrylamide to mix simultaneously, set churning time 20min ~ 60min, whipping temp, 25 ℃ ~ 50 ℃, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add 0.1% ~ 4% dispersion agent, 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, packing, get final product to obtain 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 blocking pipe, can be added in water-soluble fertilizer, irrigates with water.
In above-mentioned preparation method's step (2), utilize plasma body to irradiate fertiliser granulates, this plasma body is selected 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, in gas, a small amount of unbound electron is accelerated and obtains higher energy, these high-energy electrons and gas molecule or atom generation elasticity and radiative collision, radiative collision increases the interior energy of molecule, makes it to excite, ionizes, the reaction such as fragmentation.The present invention adopts nitrogen low-temperature plasma, and the unbound electron in nitrogen is accelerated, obtains high-energy, again with fertiliser granulates in molecule carry out high speed radiative collision, the energy that increases molecule in fertiliser granulates, makes the bond rupture of fertiliser granulates molecule intermediate ion, thereby makes molecular ionization become ion.Gas adopts nitrogen, is rare gas element, in the time carrying out plasma irradiating, can not react with fertiliser granulates molecule; Adopt low temperature, low temperature can be adjusted to-10 ℃ ~ 50 ℃, can not cause excess Temperature, makes fertiliser granulates molecular breakdown become other materials, also avoids the generation of excess Temperature caking phenomenon.
In the plasma reactor using in above-mentioned preparation method's step (2), plasma emitters is installed, plasma emitters is arranged on plasma reactor middle part, plasma reactor two ends are respectively opening for feed and discharge port, utilize screw rod to advance material to move continuously, plasma emitters transmitting nitrogen low-temperature plasma, material is being advanced and is moving within the scope of plasma emitters by screw rod, 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), with the maifanite powder in step (1) and polyacrylamide with mix with the fertiliser granulates after plasma irradiating, polyacrylamide can carry out chelating with ion, be wrapped in ion surface, stop ion combination again, had simultaneously and prevented the antagonistic action of each ion in soil.Maifanite powder has good adsorptivity, and thinner adsorption effect is better, at this adsorbable ion, can make ion in soil, not produce loss, improve the utilization ratio of fertilizer, extend the fertilizer efficiency time, and medical stone contains plant required various trace elements and rare earth element, can improve vegetable active, promote growth, improve crop quality, and can improve soil.
The present invention carries out radiation treatment with plasma process to fertiliser granulates, make fertiliser granulates be broken down into ionic condition, with polyacrylamide, it being carried out to height again mixes, each ion surface is coated by polyacrylamide, stop ion combination again, enrich micro-medical stone powder foot couple it adsorbs with containing simultaneously, kept fertilizer efficiency; Wherein maifanite powder is ultrafine powder, can be dissolved in water, in the even and stable water in suspension of dispersion agent energy powder simultaneously adding, does not produce precipitation, can irrigate with water, not blocking pipe.The composite fertilizer of plasma process processing for the present invention, can be absorbed by plants fast with ionic condition, instant effect, 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 processes fertiliser granulates with plasma process; make fertilizer 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 chelating each element; prevent the antagonistic action in soil, stoped again ion to be combined into molecule at this, kept Ionized stability simultaneously.By medical stone powder foot couple, it adsorbs simultaneously, has prevented 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, be applied to water-fertilizer integral.And apply this composite fertilizer, each trace element is sufficient, plant instant effect, and can prevent soil aging and harden.
2, the present invention has added poly aspartic acid, has improved the activity of plant, can make plant absorb fast fertilizer nutrient, improve the absorption of fertilizer, added urease inhibitor and nitrification inhibitor simultaneously, mixed and use, can prevent the nitrification of nitrogen, 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%, urease inhibitor O-phenyl phosphoryl diamine (PPD) 0.5%, the chloro-6-(trichloromethyl of nitrification inhibitor 2-) pyridine (Nitrapyrin) 0.5%.
Preparation method is as follows:
(1), 15% medical stone is ground to 1000 ~ 2000 orders with grinding machine, stand-by;
(2), by fertiliser granulates 25% urea, 30% diammonium phosphate, 20% potassium sulfate is sent into and in plasma reactor, is carried out plasma irradiating processing, fertiliser granulates is pulverized and ionization, plasma reactor power input is 1000W ~ 5000W, frequency is 10 ~ 20KHz, and irradiation temperature is 25 ℃ ~ 35 ℃, and input bleed pressure is 0.008MPa ~ 0.020MPa;
(3), the fertilizer particle after pulverizing in the maifanite powder of gained in step (1) and step (2) is sent to abundant mixing and absorption in reactor, add 4% polyacrylamide to mix simultaneously, set churning time 20min ~ 60min, whipping temp, 25 ℃ ~ 50 ℃, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add 3% dispersion agent carboxymethyl cellulose, 2% poly aspartic acid, 0.5% urease inhibitor O-phenyl phosphoryl diamine (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, packing, get final product to obtain 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%, urease inhibitor O-phenyl phosphoryl diamine (PPD) 0.5%, the chloro-6-(trichloromethyl of nitrification inhibitor 2-) pyridine (Nitrapyrin) 0.5%.
Preparation method is as follows:
(1), 15% medical stone is ground to 1000 ~ 2000 orders with grinding machine, stand-by;
(2), by fertiliser granulates 24% urea, 33% diammonium phosphate, 20% potassium sulfate is sent into and in plasma reactor, is carried out plasma irradiating processing, fertiliser granulates is pulverized and ionization, plasma reactor power input is 1000W ~ 5000W, frequency is 10 ~ 20KHz, and irradiation temperature is 25 ℃ ~ 35 ℃, and input bleed pressure is 0.008MPa ~ 0.020MPa;
(3), the fertilizer particle after pulverizing in the maifanite powder of gained in step (1) and step (2) is sent to abundant mixing and absorption in reactor, add 4% polyacrylamide to mix simultaneously, set churning time 20min ~ 60min, whipping temp, 25 ℃ ~ 50 ℃, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add 1% dispersion agent to open Pu Shi resin, 2% poly aspartic acid, 0.5% urease inhibitor O-phenyl phosphoryl diamine (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, packing, get final product to obtain 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%, urease inhibitor O-phenyl phosphoryl diamine (PPD) 0.5%, the chloro-6-(trichloromethyl of nitrification inhibitor 2-) pyridine (Nitrapyrin) 0.5%.
Preparation method is as follows:
(1), 15% medical stone is ground to 1000 ~ 2000 orders with grinding machine, stand-by;
(2), by fertiliser granulates 23% urea, 33% diammonium phosphate, 20% potassium sulfate is sent into and in plasma reactor, is carried out plasma irradiating processing, fertiliser granulates is pulverized and ionization, plasma reactor power input is 1000W ~ 5000W, frequency is 10 ~ 20KHz, and irradiation temperature is 25 ℃ ~ 35 ℃, and input bleed pressure is 0.008MPa ~ 0.020MPa;
(3), the fertilizer particle after pulverizing in the maifanite powder of gained in step (1) and step (2) is sent to abundant mixing and absorption in reactor, add 4% polyacrylamide to mix simultaneously, set churning time 20min ~ 60min, whipping temp, 25 ℃ ~ 50 ℃, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add 2% polyethylene of dispersing agent base pyrrolidone, 2% poly aspartic acid, 0.5% urease inhibitor O-phenyl phosphoryl diamine (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, packing, get final product to obtain 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%, urease inhibitor O-phenyl phosphoryl diamine (PPD) 0.5%, the chloro-6-(trichloromethyl of nitrification inhibitor 2-) pyridine (Nitrapyrin) 0.5%.
Preparation method is as follows:
(1), 15% medical stone is ground to 1000 ~ 2000 orders with grinding machine, stand-by;
(2), by fertiliser granulates 21% urea, 35% diammonium phosphate, 20% potassium sulfate is sent into and in plasma reactor, is carried out plasma irradiating processing, fertiliser granulates is pulverized and ionization, plasma reactor power input is 1000W ~ 5000W, frequency is 10 ~ 20KHz, and irradiation temperature is 25 ℃ ~ 35 ℃, and input bleed pressure is 0.008MPa ~ 0.020MPa;
(3), the fertilizer particle after pulverizing in the maifanite powder of gained in step (1) and step (2) is sent to abundant mixing and absorption in reactor, add 3% polyacrylamide to mix simultaneously, set churning time 20min ~ 60min, whipping temp, 25 ℃ ~ 50 ℃, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add 3% dispersion agent Natvosol, 2% poly aspartic acid, 0.5% urease inhibitor O-phenyl phosphoryl diamine (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, packing, get final product to obtain a kind of water soluble composite fertilizer.
The implementation case gained content and national standard contrast:
Claims (9)
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%, one or more mixtures that wherein said dispersion agent is following material: carboxymethyl cellulose, Natvosol, Polyvinylpyrolidone (PVP), open Pu Shi resin; Wherein said urease inhibitor is one or several following mixtures: O-phenyl phosphoryl diamine (PPD), N-butyl thiophosphoryl diamines (BTPT), cyanogen quinone (HQ), humic acid; 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).
2. a kind of water soluble composite fertilizer according to claim 1, is characterized in that: described urease inhibitor is preferably O-phenyl phosphoryl diamine (PPD).
3. a kind of water soluble composite fertilizer according to claim 1, is characterized in that: described nitrification inhibitor is preferably the chloro-6-(trichloromethyl of 2-) pyridine (Nitrapyrin).
4. a kind of water soluble composite fertilizer according to claim 1, is characterized in that: its preparation method comprises the following steps:
(1), 10% ~ 25% medical stone is ground to 1000 ~ 2000 orders with grinding machine, 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 processing, make fertiliser granulates pulverize and ionization;
(3), the fertilizer particle after pulverizing in the maifanite powder of gained in step (1) and step (2) is sent to abundant mixing and absorption in reactor, add 0.1% ~ 6% polyacrylamide to mix simultaneously, set churning time 20min ~ 60min, whipping temp, 25 ℃ ~ 50 ℃, rotating speed 50r/min ~ 100r/min;
(4), the mixture of step (3) gained is sent in high-speed mixer together, add 0.1% ~ 4% dispersion agent, 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, packing, get final product to obtain a kind of water soluble composite fertilizer.
5. the preparation method of a kind of water soluble composite fertilizer according to claim 4, it is characterized in that: in the plasma reactor described in step (2), plasma emitters is arranged on plasma reactor middle part, plasma reactor two ends are respectively opening for feed and discharge port, utilize screw rod to advance material to move continuously, plasma emitters transmitting nitrogen low-temperature plasma, material is being advanced and is moving within the scope of plasma emitters by screw rod, 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.
6. plasma reactor according to claim 5, wherein plasma emitter adopts nitrogen low-temperature plasma, air compressor pressurized air, filter nitrogen, for plasma emitters provides source nitrogen.
7. plasma reactor according to claim 5, wherein power 1000W ~ 10000W, frequency 10 ~ 20KHz, temperature range: 25 ℃ ~ 40 ℃, input bleed pressure 0.008MPa ~ 0.020MPa.
8. plasma reactor according to claim 5, setting power is preferably 1000W ~ 5000W, and frequency is 10 ~ 20KHz, and temperature is 25 ℃ ~ 35 ℃, and input bleed pressure is 0.008MPa ~ 0.020MPa.
9. plasma reactor according to claim 5, utilizes nitrogen low-temperature plasma to irradiate fertiliser granulates, can make the bond rupture of fertiliser granulates molecule intermediate ion, presents ionization state.
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| CN105906412A (en) * | 2016-04-15 | 2016-08-31 | 广东米高化工有限公司 | Composite potassium sulfate fertilizer and preparation method thereof |
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| CN106588517A (en) * | 2016-12-21 | 2017-04-26 | 广东华汗农业科技有限公司 | Sustained-release liquid fertilizer and preparation method thereof |
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