CN1241881C - Amino acid-urea compound fertilizer and its preparation method - Google Patents
Amino acid-urea compound fertilizer and its preparation method Download PDFInfo
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- CN1241881C CN1241881C CN 200410102611 CN200410102611A CN1241881C CN 1241881 C CN1241881 C CN 1241881C CN 200410102611 CN200410102611 CN 200410102611 CN 200410102611 A CN200410102611 A CN 200410102611A CN 1241881 C CN1241881 C CN 1241881C
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- 239000004202 carbamide Substances 0.000 title claims abstract description 84
- 239000003337 fertilizer Substances 0.000 title claims abstract description 59
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 150000001413 amino acids Chemical class 0.000 claims abstract description 213
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 74
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000002245 particle Substances 0.000 claims abstract description 46
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 37
- 230000000694 effects Effects 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 9
- 229940024606 amino acid Drugs 0.000 claims description 209
- 235000001014 amino acid Nutrition 0.000 claims description 209
- 239000002994 raw material Substances 0.000 claims description 24
- 238000005507 spraying Methods 0.000 claims description 24
- 238000005469 granulation Methods 0.000 claims description 23
- 230000003179 granulation Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 23
- 210000002700 urine Anatomy 0.000 claims description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000008187 granular material Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 15
- 229920002472 Starch Polymers 0.000 claims description 14
- 230000001174 ascending effect Effects 0.000 claims description 14
- 238000001704 evaporation Methods 0.000 claims description 14
- 230000008020 evaporation Effects 0.000 claims description 14
- 238000006116 polymerization reaction Methods 0.000 claims description 14
- 235000019698 starch Nutrition 0.000 claims description 14
- 239000008107 starch Substances 0.000 claims description 14
- 239000012141 concentrate Substances 0.000 claims description 13
- 230000004927 fusion Effects 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- 206010001939 Aminoaciduria Diseases 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 10
- 210000004209 hair Anatomy 0.000 claims description 10
- 238000012216 screening Methods 0.000 claims description 10
- 241001465754 Metazoa Species 0.000 claims description 9
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical class [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 8
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 8
- 238000000889 atomisation Methods 0.000 claims description 7
- 230000007062 hydrolysis Effects 0.000 claims description 7
- 238000006460 hydrolysis reaction Methods 0.000 claims description 7
- 239000005416 organic matter Substances 0.000 claims description 7
- 235000019270 ammonium chloride Nutrition 0.000 claims description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 6
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 6
- 239000003112 inhibitor Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 241000894006 Bacteria Species 0.000 claims description 5
- 229940090496 Urease inhibitor Drugs 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 5
- 239000002601 urease inhibitor Substances 0.000 claims description 5
- 241000251468 Actinopterygii Species 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- 235000019733 Fish meal Nutrition 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 239000004467 fishmeal Substances 0.000 claims description 4
- 229960002989 glutamic acid Drugs 0.000 claims description 4
- 210000000003 hoof Anatomy 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 235000013379 molasses Nutrition 0.000 claims description 4
- 235000018102 proteins Nutrition 0.000 claims description 4
- 108090000623 proteins and genes Proteins 0.000 claims description 4
- 102000004169 proteins and genes Human genes 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 244000061456 Solanum tuberosum Species 0.000 claims description 3
- 235000002595 Solanum tuberosum Nutrition 0.000 claims description 3
- 241000209140 Triticum Species 0.000 claims description 3
- 235000021307 Triticum Nutrition 0.000 claims description 3
- 240000008042 Zea mays Species 0.000 claims description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 3
- 235000013339 cereals Nutrition 0.000 claims description 3
- 235000005822 corn Nutrition 0.000 claims description 3
- 238000005903 acid hydrolysis reaction Methods 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 238000009655 industrial fermentation Methods 0.000 claims description 2
- 239000012798 spherical particle Substances 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- 239000011591 potassium Substances 0.000 abstract description 5
- 229910052700 potassium Inorganic materials 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 239000011573 trace mineral Substances 0.000 abstract description 4
- 235000013619 trace mineral Nutrition 0.000 abstract description 4
- 230000002045 lasting effect Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000004913 activation Effects 0.000 abstract 1
- 125000003275 alpha amino acid group Chemical group 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 8
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- 235000013399 edible fruits Nutrition 0.000 description 5
- 241000675108 Citrus tangerina Species 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 3
- 239000000618 nitrogen fertilizer Substances 0.000 description 3
- 241000287828 Gallus gallus Species 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- GOJUJUVQIVIZAV-UHFFFAOYSA-N 2-amino-4,6-dichloropyrimidine-5-carbaldehyde Chemical group NC1=NC(Cl)=C(C=O)C(Cl)=N1 GOJUJUVQIVIZAV-UHFFFAOYSA-N 0.000 description 1
- 235000010149 Brassica rapa subsp chinensis Nutrition 0.000 description 1
- 235000000536 Brassica rapa subsp pekinensis Nutrition 0.000 description 1
- 241000499436 Brassica rapa subsp. pekinensis Species 0.000 description 1
- 235000002566 Capsicum Nutrition 0.000 description 1
- 240000008574 Capsicum frutescens Species 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- WZLMXYBCAZZIRQ-UHFFFAOYSA-N [N].[P].[K] Chemical compound [N].[P].[K] WZLMXYBCAZZIRQ-UHFFFAOYSA-N 0.000 description 1
- 239000001390 capsicum minimum Substances 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000005489 dwarf bean Nutrition 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000009343 monoculture Methods 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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Abstract
The present invention provides amino acid-urea compound fertilizer and a preparation method thereof. The fertilizer is composed of coating and nucleome, the entire nucleome is coated by the coating and is granular. The coating is urea, and the nucleome is amino acid particles. The amino acid urea contains 15 to 41% of nitrogen and 5 to 50% of amino acid, and the nucleome amino acid particles contain 8 to 23% of nitrogen, 8 to 98% of amino acid, and the other is organic substances. The moisture is smaller than 5%, the diameter of the fertilizer particle is 1 to 5mm, and the particle diameter of the nucleome amino acid is 0.5 to 4mm. The present invention has the advantages of rich source of feed, low production cost, wide range of application, no pollution, nuisance free, activation of soil, increase of fertilizer effects, enhancement of agricultural product quality, reduction of harmful accumulation, enhancement of nitrogen, phosphorus, potassium and trace elements absorption of crops, lasting fertilizer effects, equalization of feeding fertilizer, prolonging of functional period of crop leaves and increase of crop output.
Description
Technical field
The present invention relates to a kind of compound manure, specifically relate to a seed amino acid----urea compound fertilizer and preparation method thereof.
Technical background
Being extensive use of various chemical fertilizer in agriculture production, mainly is chemical fertilizer of simple substance and the polyelement composite fertilizer that contains nitrogen, phosphorus, potassium and other nutritive elements.The chemical nitrogen fertilizer of China is based on urea, and its consumption accounts for China's chemical nitrogen fertilizer and uses more than 40 percent.The utilization ratio of urea is very low, has only about 20-40%, has wasted a large amount of resources and fund.A lot of producers are arranged both at home and abroad, produce release and release control fertilizer and just reduce the urea loss, improve utilization rate of nitrogen fertilizer, it adds material itself does not have the growth of promotion effect to crop.Amino acid is proteinic fundamental unit, and biological amino acid has 18 kinds.Amino acid has magical crop at biological field, especially has a wide range of applications at field of medicaments, and at the early-stage in the plant application facet, and it is more obvious to facts have proved that in a large number monoculture divides content amino acid and nitrogen phosphorus potassium to compare the plant production effect.China has carried out comparatively extensive studies to the multiple amino acid whose fertilizer efficiency that is transformed by the animals and plants product since the eighties in 20th century, affirmed its direct trophism to plant, but all do not had large-scale application.The chemical fertilizer that people attempt to develop a kind of applied widely, pollution-free, nuisanceless, activating soil, increase fertilizer efficiency, improve quality of agricultural product, reduce harmful accumulation, improve the crop absorbed nitrogen for a long time, phosphorus, potassium and trace element absorb.
Summary of the invention
The amino acid----urea compound fertilizer that the purpose of this invention is to provide a kind of applied widely, pollution-free, nuisanceless, activating soil, increase fertilizer efficiency, improve quality of agricultural product, reduce harmful accumulation, improve the crop absorbed nitrogen, phosphorus, potassium and trace element absorbs.
Another object of the present invention provides the preparation method of amino acid----urea compound fertilizer.
One seed amino acid provided by the invention-urea compound fertilizer is made up of dressing and nucleome, and dressing coats whole nucleome, is particulate state, and dressing is a urea, and nucleome is an amino acid granular.
One seed amino acid provided by the invention-urea compound fertilizer, contain 15-41% nitrogen, contain the amino acid of 5-50%.
One seed amino acid provided by the invention-urea compound fertilizer, nitrogenous 8～23% in the nucleome amino acid granular, amino acid 8～98%, all the other are organic; Moisture content is less than 5%.
One seed amino acid provided by the invention-urea compound fertilizer, particle diameter are that 1～5mm, nucleome amino acid granular diameter are 0.5～4mm.
Prepare the production technique of above-mentioned amino acid-urea compound fertilizer, may further comprise the steps:
(1) amino acid is granulated:
With starch, molasses, protein and hairpencil is raw material, makes with the common chemical method and contains amino acid whose particle;
(2), mend the nitrogen granulation:
Urea and/or urine mixture solidified on amino acid granular, are made amino acid-urea granules.
Said amino acid is granulated and is comprised following A or B:
A is
With starch, molasses is raw material, carries out reacting with liquefied ammonia behind the industrial fermentation, makes and contains amino acid whose solution;
The gained amino acid solution concentrates;
By pressure pump concentrated solution is sent into atomizer through rotary drum granulator atomizing granulation, make amino acid granular;
B is
With protein, hairpencil is raw material, makes by acidic hydrolysis and contains amino acid whose solution;
Amino acid solution is concentrated,, cause ball shape the concentrated solution drum granulating of spraying;
The granulation of said benefit nitrogen comprises the steps:
1. urea enters melting device, is warmed to 130～160 ℃ and makes its fusion; Or the urea that contains 5～50% powderies or crystal ammonium sulfate or contain 5～40% ammonium chlorides enters melting device, is warmed to 145～160 ℃ and makes its fusion; Perhaps adding weight ratio in urine is 1～5% urease inhibitor and/or nitrification inhibitor, forms the urine mixture;
2. amino acid granular is delivered in the rotary drum;
3. fusing urea and/or urine mixture are spraying under 0.4～0.6MPa pressure on the amino acid granular that rotates in rotary drum, and fusing urea and/or urea are solidificated on the amino acid granular;
4. the aminoaciduria crude granule that obtains is cooled off, sieves through water cooler.
Described A is:
1. be mixed into main raw material with one or more of wheat, corn, potato class, coarse cereals, do following processing according to ordinary method: be prepared into starch and starch is prepared into liquid glucose, liquid glucose is even eliminated bacterium, fermented 25～35 hours, must contain 9～12% amino acid whose solution, making its concentration by quadruple effect evaporator is 37～55% amino acid concentrated solution;
2. step 1. the solution of gained to make its concentration by quadruple effect evaporator be 37～55% amino acid concentrated solution, by air pressure is the granulation in being sprayed to rotary drum of 0.4～0.6Mpa air pressure, the rotary drum granulator mouth feeds 400 ℃ of high temperature airs, amino acid concentrated solution moisture evaporation, what obtain contains the rotation of uniting of amino acid whose powdery solid under hot polymerization, particle diameter is ascending, and it is 68～95% high-content amino acid granular that cooling obtains aminoacids content;
3. 1. step adds 94～98% sulfuric acid after the removal of impurities of gained solution, and regulating pH value is 4, solid-liquid separation, extract L-glutamic acid after, liquid separates with impeller pump, the waste liquid that contains amino acid/11～2% concentrates by quadruple effect evaporator, content is 4～6% concentrated solution; Concentrated solution is that 0.5Mpa air pressure atomizes through atomizer by pressure, be sprayed to granulation in the rotary drum, the tablets press mouth feeds 400 ℃ of high temperature airs, the concentrated solution moisture evaporation, what obtain contains the rotation of uniting of amino acid whose powdery solid under hot polymerization, particle diameter is ascending, and it is 8～11% low levels amino acid granular that cooling obtains aminoacids content;
Described B is:
1. be mixed into raw material with animal hair, hoof tips material, fish meal, assorted one or more of fish, place reactor, and be incorporated in the concentrated hydrochloric acid or the sulfuric acid of 0.5～2 times of raw material;
2. reactor is warming up to 110～117 ℃, hydrolysis 8～12 hours, and being neutralized to pH value with sodium hydroxide or ammoniacal liquor then is 4, leaves standstill 60～84 hours, obtaining aminoacids content is 15～22% amino acid solutions;
3. the amino acid solution of gained by quadruple effect evaporator concentrate contain 37～55% concentrated solution, be that 0.5Mpa air pressure atomizes through atomizer atomisation pump by pressure again, be sprayed to granulation in the rotary drum, the tablets press mouth feeds 400 ℃ of high temperature airs, the concentrated solution moisture evaporation, the amino acid solid that contains that obtains is the powdery rotation of uniting under hot polymerization, particle diameter is ascending, and it is 40～90% high-content amino acid granular that cooling obtains aminoacids content;
The granulation of said benefit nitrogen comprises:
Urea enters melting device, is warmed to 130～160 ℃ and makes its fusion; Or the urea that contains 5～50% powderies or crystal ammonium sulfate or contain 5～40% ammonium chlorides enters melting device, is warmed to 145～160 ℃ and makes its fusion; Perhaps in urine, add 1～5% urease inhibitor and/or the nitrification inhibitor that accounts for gross weight, form the urine mixture; Fusing urea and/or urine mixture are spraying under 0.40～0.60MPa pressure on the amino acid granular that rotates in rotary drum, and fusing urea and/or urine are solidificated on the amino acid spherical particle, and forming diameter is the particle of 1～5mm;
The particle that obtains is delivered in cooling kiln or the water cooler screening;
Nitrogenous 15-41%, amino acid 5-50% in gained amino acid-urea granules;
In spraying process, control the urea flow, and as required nitrogen content, the aminoacids content of product are regulated with under meter.
Embodiment
Amino acid-urea compound fertilizer of the present invention is made up of dressing and nucleome, and dressing coats whole nucleome, is particulate state, and dressing is a urea, and nucleome is an amino acid granular, contain 15-41% nitrogen, contain the amino acid of 5-50%.Nitrogenous 8～23% in the aminoaciduria crude granule, amino acid 8～80%, all the other are organic; Moisture content is less than 5%.Particle diameter is that 1～5mm, nucleome amino acid granular diameter are 0.5～4mm.
Specific embodiments of the invention are:
Embodiment 1
With the wheat is main raw material, do following processing according to ordinary method: be prepared into starch and starch is prepared into liquid glucose, liquid glucose is connected eliminate bacterium, fermented 25 hours, must contain 9～12% amino acid whose solution, making its concentration by quadruple effect evaporator is 37～55% amino acid concentrated solution; By air pressure is the granulation in being sprayed to rotary drum of 0.4Mpa air pressure, the rotary drum granulator mouth feeds 400 ℃ of high temperature airs, amino acid concentrated solution moisture evaporation, what obtain contains the rotation of uniting of amino acid whose powdery solid under hot polymerization, particle diameter is ascending, and it is 30～98% high-content amino acid granular that cooling obtains aminoacids content;
Urea enters melting device, is warmed to 150 ℃ and makes its fusion;
Amino acid granular is put in the rotary drum;
Fusing urea is spraying under the 0.5MPa pressure on the amino acid granular that rotates in rotary drum, and fusing urea is solidificated on the amino acid granular, as required nitrogen content, the aminoacids content of product is controlled the urea flow with under meter at spraying process;
The particle that obtains was cooled off 15 minutes under 30 ℃ of temperature through water cooler, and screening obtains the aminoaciduria crude granule of particle diameter 5.0mm＞d＞2.5mm and 1.0mm＜d＜2.5mm.
Embodiment 2
With the corn is main raw material, do following processing according to ordinary method: be prepared into starch and starch is prepared into liquid glucose, liquid glucose is connected eliminate bacterium, fermented 30 hours, must contain 9～12% amino acid whose solution, making its concentration by quadruple effect evaporator is 37～55% amino acid concentrated solution; Add 94% sulfuric acid after the strong solution removal of impurities, regulating pH value is 4, solid-liquid separation, extract L-glutamic acid after, liquid separates with impeller pump, the waste liquid that contains amino acid/11～2% concentrates by quadruple effect evaporator, content is 4～6% concentrated solution; Concentrated solution is that 0.5Mpa air pressure atomizes through atomizer by pressure, be sprayed to granulation in the rotary drum, the tablets press mouth feeds 400 ℃ of high temperature airs, the concentrated solution moisture evaporation, what obtain contains the rotation of uniting of amino acid whose powdery solid under hot polymerization, and particle diameter is ascending, it is 8～11% low levels amino acid granular that cooling obtains aminoacids content, contain 8～11% amino acid, 13～16% nitrogen, its excess is organic, and moisture content is less than 5%;
Amino acid granular is put in the rotary drum;
The urine mixture that contains 5% digestion inhibitor is spraying under the 0.4MPa pressure on the amino acid granular that rotates in rotary drum, the urine mixture solidified is controlled the urea flow to nitrogen content, the aminoacids content of product with under meter as required at spraying process on amino acid granular;
The particle that obtains was cooled off 10 minutes under 35 ℃ of temperature through water cooler, and screening obtains the aminoaciduria crude granule of particle diameter 5.0mm＞d＞2.5mm and 1.0mm＜d＜2.5mm.
Embodiment 3
With the potato class is main raw material, do following processing according to ordinary method: be prepared into starch and starch is prepared into liquid glucose, liquid glucose is connected eliminate bacterium, fermented 35 hours, must contain 9～12% amino acid whose solution, making its concentration by quadruple effect evaporator is 37～55% amino acid concentrated solution; Add 94% sulfuric acid after the removal of impurities of gained solution, regulating pH value is 4, solid-liquid separation, extract L-glutamic acid after, liquid separates with impeller pump, the waste liquid that contains amino acid/11～2% concentrates by quadruple effect evaporator, content is 4～6% concentrated solution; Concentrated solution is that 0.6Mpa air pressure atomizes through atomizer by pressure, be sprayed to granulation in the rotary drum, the tablets press mouth feeds 400 ℃ of high temperature airs, the concentrated solution moisture evaporation, what obtain contains the rotation of uniting of amino acid whose powdery solid under hot polymerization, and particle diameter is ascending, it is 8～11% low levels amino acid granular that cooling obtains aminoacids content, contain 8～11% amino acid, 13～16% nitrogen, its excess is organic, and moisture content is less than 5%;
The urea admixture that contains 5% ammonium chloride enters melting device, is heated to 145 ℃ and makes its fusion;
Amino acid granular is put in the rotary drum;
The fusing urea mixture is spraying under the 0.5MPa pressure on the amino acid granular that rotates in rotary drum, and the urine mixture solidified is controlled the urea flow to nitrogen content, the aminoacids content of product with under meter as required at spraying process on amino acid granular;
The particle that obtains was cooled off 18 minutes under 33 ℃ of temperature through water cooler, and screening obtains the aminoaciduria crude granule of particle diameter 5.0mm＞d＞2.5mm and 1.0mm＜d＜2.5mm.
Embodiment 5
With useless assorted animal hair: the mixture of useless assorted pig hair, chicken feather, wool, horsehair, hair prepares amino acid granular, and its preparation method is as follows:
The animal raw hair is placed reactor; and be incorporated in the concentrated hydrochloric acid of 0.5 times of raw material; under 110 ℃ temperature condition; hydrolysis 8 hours; being neutralized to pH value with sodium hydroxide or ammoniacal liquor then is 4; left standstill 65 hours; obtaining aminoacids content is 15～22% amino acid solutions; the amino acid solution of gained by quadruple effect evaporator concentrate contain 37～55% concentrated solution, again by pressure be 0.5Mpa air pressure through the atomizing of atomizer atomisation pump, be sprayed to granulation in the rotary drum; the tablets press mouth feeds 400 ℃ of high temperature airs; the concentrated solution moisture evaporation, the amino acid solid that contains that obtains is the powdery rotation of uniting under hot polymerization, and particle diameter is ascending; it is 40～90% high-content amino acid granular that cooling obtains aminoacids content; its excess is nitrogen and organic matter, and moisture content is less than 5% in the amino acid granular, and particle diameter is 0.5～4mm.
Put into high-content amino acid granular and low levels amino acid granular in the rotary drum respectively;
The urine mixture that contains 2.5% nitrification inhibitor is spraying under the 0.6MPa pressure on the amino acid granular that rotates in rotary drum, the urine mixture solidified is controlled the urea flow to nitrogen content, the aminoacids content of product with under meter as required at spraying process on amino acid granular;
The particle that obtains was cooled off 17 minutes under 37 ℃ of temperature through water cooler, and screening obtains the aminoaciduria crude granule of particle diameter 5.0mm＞d＞2.5mm and 1.0mm＜d＜2.5mm.
Embodiment 6
Prepare amino acid granular with animal hoof pin material, its preparation method is as follows:
Animal raw hoof pin material is placed reactor, and be incorporated in the vitriol oil of 1.5 times of raw materials, under 115 ℃ temperature condition, hydrolysis 12 hours, being neutralized to pH value with sodium hydroxide or ammoniacal liquor then is 4, leaves standstill 84 hours, and obtaining aminoacids content is 15～20% amino acid solutions; The amino acid solution of gained by quadruple effect evaporator concentrate contain 37～55% concentrated solution; be that 0.5Mpa air pressure atomizes through atomizer atomisation pump by pressure again; be sprayed to granulation in the rotary drum; the tablets press mouth feeds 400 ℃ of high temperature airs; the concentrated solution moisture evaporation; the amino acid solid that contains that obtains is the powdery rotation of uniting under hot polymerization; particle diameter is ascending; it is 40～90% high-content amino acid granular that cooling obtains aminoacids content; its excess is nitrogen and organic matter; moisture content is less than 5% in the amino acid granular, and particle diameter is 0.5～4mm.
Put into high-content amino acid granular and low levels amino acid granular in the rotary drum respectively;
The urine mixture that contains 1% urease inhibitor is spraying under the 0.4MPa pressure on the amino acid granular that rotates in rotary drum, the urine mixture solidified is controlled the urea flow to nitrogen content, the aminoacids content of product with under meter as required at spraying process on amino acid granular;
The particle that obtains was cooled off 15 minutes under 30 ℃ of temperature through water cooler, and screening obtains the aminoaciduria crude granule of particle diameter 5.0mm＞d＞2.5mm and 1.0mm＜d＜2.5mm.
Embodiment 7
With useless assorted animal hair: the mixture of useless assorted pig hair, chicken feather, wool, horsehair, hair prepares amino acid granular, and its preparation method is as follows:
With the animal hair raw material, place reactor, and be incorporated in the concentrated hydrochloric acid of 1 times of raw material, under 117 ℃ temperature condition, hydrolysis 10 hours, being neutralized to pH value with sodium hydroxide or ammoniacal liquor then is 4, left standstill 75 hours, obtaining aminoacids content is 15～20% amino acid solutions; The amino acid solution of gained by quadruple effect evaporator concentrate contain 37～55% concentrated solution; be that 0.5Mpa air pressure atomizes through atomizer atomisation pump by pressure again; be sprayed to granulation in the rotary drum; the tablets press mouth feeds 400 ℃ of high temperature airs; the concentrated solution moisture evaporation; the amino acid solid that contains that obtains is the powdery rotation of uniting under hot polymerization; particle diameter is ascending; it is 40～90% high-content amino acid granular that cooling obtains aminoacids content; its excess is nitrogen and organic matter; moisture content is less than 5% in the amino acid granular, and particle diameter is 0.5～4mm.
The urea admixture that contains 50% ammonium sulfate enters melting device, is heated to 160 ℃ and makes its fusion
Put into high-content amino acid granular and low levels amino acid granular in the rotary drum respectively;
The fusing urea mixture solidifies spraying on the amino acid granular that rotates in rotary drum under the 0.5MPa pressure, at spraying process as required to the nitrogen content of product, aminoacids content with under meter control urea flow;
The aminoaciduria crude granule that obtains was cooled off 15 minutes under 30 ℃ of temperature through water cooler, and screening obtains the aminoaciduria crude granule of particle diameter 5.0mm＞d＞2.5mm and 1.0mm＜d＜2.5mm.
Embodiment 8
Prepare amino acid granular with fish meal, its preparation method is as follows:
The fish meal raw material is placed reactor, and be incorporated in the concentrated hydrochloric acid of 2 times of raw materials, under 112 ℃ temperature condition, hydrolysis 9 hours, obtaining aminoacids content is 15～20% amino acid solutions; The amino acid solution of gained by quadruple effect evaporator concentrate contain 37～55% concentrated solution; be that 0.5Mpa air pressure atomizes through atomizer atomisation pump by pressure again; be sprayed to granulation in the rotary drum; the tablets press mouth feeds 400 ℃ of high temperature airs; the concentrated solution moisture evaporation; the amino acid solid that contains that obtains is the powdery rotation of uniting under hot polymerization; particle diameter is ascending; it is 40～90% high-content amino acid granular that cooling obtains aminoacids content; its excess is nitrogen and organic matter; moisture content is less than 5% in the amino acid granular, and particle diameter is 0.5～4mm.
Mend the nitrogen granulation process:
The urea admixture that contains 5% ammonium sulfate enters melting device, is heated to 150 ℃ and makes its fusion;
Put into high-content amino acid granular and low levels amino acid granular in the rotary drum respectively;
The fusing urea mixture is spraying on the amino acid granular that rotates in rotary drum under the 0.6MPa pressure, and is solidificated on the amino acid granular, as required nitrogen content, the aminoacids content of product is controlled the urea flow with under meter at spraying process;
The particle that obtains was cooled off 20 minutes under 35 ℃ of temperature through water cooler, and screening obtains the aminoaciduria crude granule of particle diameter 5.0mm＞d＞2.5mm and 1.0mm＜d＜2.5mm.
Embodiment 9
With the assorted preparation of fish amino acid granular, its preparation method is as follows:
The assorted raw material of fish is placed reactor, and be incorporated in the concentrated hydrochloric acid of 1.8 times of raw materials, under 114 ℃ temperature condition, hydrolysis 11 hours, being neutralized to pH value with sodium hydroxide or ammoniacal liquor then is 4, leaves standstill 68 hours, and obtaining aminoacids content is 15～20% amino acid solutions; The amino acid solution of gained by quadruple effect evaporator concentrate contain 37～55% concentrated solution; be that 0.5Mpa air pressure atomizes through atomizer atomisation pump by pressure again; be sprayed to granulation in the rotary drum; the tablets press mouth feeds 400 ℃ of high temperature airs; the concentrated solution moisture evaporation; the amino acid solid that contains that obtains is the powdery rotation of uniting under hot polymerization; particle diameter is ascending; it is 40～90% high-content amino acid granular that cooling obtains aminoacids content; its excess is nitrogen and organic matter; moisture content is less than 5% in the amino acid granular, and particle diameter is 0.5～4mm.
The urea admixture that contains 40% ammonium chloride enters melting device, is heated to 150 ℃ and makes its fusion;
Put into high-content amino acid granular and low levels amino acid granular in the rotary drum respectively;
The fusing urea mixture is spraying on the amino acid granular that rotates in rotary drum under the 0.6MPa pressure, and is solidificated on the amino acid granular, as required nitrogen content, the aminoacids content of product is controlled the urea flow with under meter at spraying process;
The particle that obtains was cooled off 18 minutes under 40 ℃ of temperature through water cooler, and screening obtains the aminoaciduria crude granule of particle diameter 5.0mm＞d＞2.5mm and 1.0mm＜d＜2.5mm.
Amino acid-urea provided by the invention, raw material sources are abundant, production cost is low, applied widely, pollution-free, nuisanceless, activating soil, increase fertilizer efficiency, improve quality of agricultural product, reduce harmful accumulation, improved crop absorbed nitrogen, phosphorus, potassium and trace element and fertilizer efficiency lasting, balanced for fertile, can prolong the crop leaf functional period, increase crop yield.
The test of amino acid urea farm crop
Table 1 Chinese cabbage test output statistics table
| Handle | Cell production (kg) | Summation (kg) | On average (kg) | Per mu yield (kg) | Than bicarbonate of ammonia ± % | Than composite fertilizer ± % | Precedence | ||
| I | II | III | |||||||
| Bicarbonate of ammonia | 19.35 | 19.57 | 17.81 | 56.73 | 18.91 | 1575.77 | -28.15 | 3 | |
| Compound fertilizer | 22.08 | 27.89 | 29.00 | 78.96 | 26.32 | 2193.25 | 39.19 | 2 | |
| Amino acid urea | 32.49 | 23.69 | 24.42 | 80.60 | 26.87 | 2239.08 | 42.09 | 2.09 | 1 |
| Summation | 73.92 | 71.14 | 71.23 | 216.29 | |||||
| On average | 24.64 | 23.71 | 23.74 |
Table 2 capsicum test output statistics table
| Handle | Cell production (kg) | Summation (kg) | On average (kg) | Per mu yield (kg) | Than bicarbonate of ammonia ± % | Than composite fertilizer ± % | Precedence | ||
| I | II | III | |||||||
| Bicarbonate of ammonia | 134.88 | 134.00 | 95.00 | 114.30 | 119.55 | 1328.40 | 43.17 | 2 | |
| Compound fertilizer | 71.00 | 109.50 | 59.60 | 93.88 | 83.50 | 927.82 | -30.19 | 3 | |
| Amino acid urea | 159.25 | 137.63 | 124.63 | 160.38 | 145.47 | 1616.41 | 0.22 | 74.22 | 1 |
| Summation | 365.13 | 381.13 | 279.23 | 368.56 | |||||
| On average | 121.71 | 127.04 | 93.08 | 122.85 | |||||
Table 3 string bean test output statistics table
| Handle | Cell production (kg) | Summation (kg) | On average (kg) | Per mu yield (kg) | Than bicarbonate of ammonia ± % | Than composite fertilizer ± % | Precedence | |||
| I | II | III | IV | |||||||
| Bicarbonate of ammonia | 33.25 | 16.25 | 34.50 | 18.75 | 102.75 | 25.68 | 285.35 | 379.1 | 2 | |
| Compound fertilizer | 3.75 | 6.13 | 6.30 | 5.25 | 21.43 | 5.36 | 59.56 | -79.13 | 3 | |
| Amino acid urea | 32.50 | 33.75 | 23.88 | 45.00 | 135.13 | 33.78 | 375.35 | 31.54 | 530.20 | 1 |
| Summation | 69.50 | 56.13 | 64.68 | 69.00 | 259.31 | |||||
| On average | 23.17 | 18.71 | 21.56 | 23.00 | ||||||
Table 4 different fertilizer is to the influence of tangerine orange output
| Fertilizer type | (kg) produced in average strain | Stimulation ratio % | ||
| With conventional fertile ratio | With homemade fertile ratio | With the fertile ratio of Denmark | ||
| Amino acid urea | 57.21a | 88.6 | 29.2 | 43.3 |
| Denmark's fertilizer | 40.78ab | 34.4 | -7.9 | |
| Homemade composite fertilizer | 44.27ab | 45.9 | ||
| Conventional fertile | 30.34b |
Table 5 different fertilizer is to the influence of tangerine orange quality
| Fertilizer type | Soluble solid % | Soluble sugar % | Titratable acid % | Vcmg/100g | Gu acid ratio | Sugar-acid ratio |
| Amino acid urea | 13.62 | 11.61 | 0.33 | 5.46 | 41.40 | 36.13 |
| Denmark's fertilizer | 12.92 | 11.15 | 0.40 | 4.083 | 32.30 | 27.72 |
| Homemade composite fertilizer | 13.55 | 11.83 | 0.42 | 5.00 | 32.57 | 28.65 |
| Conventional fertile | 13.76 | 11.62 | 0.43 | 5.14 | 32.30 | 27.23 |
Table 6 different fertilizer is to the influence of tangerine orange commodity
| Fertilizer type | Fruit type index | The heavy kg of all kinds of fruits | Fruit fruit rate % | The really heavy kg of the average commodity of individual plant | High quality fruit rate % | The really heavy kg of the average commodity of odd number |
| Amino acid urea | 13.62 | 11.61 | 0.33 | 5.46 | 41.40 | 36.13 |
| Denmark's fertilizer | 12.92 | 11.15 | 0.40 | 4.083 | 32.30 | 27.72 |
| Homemade composite fertilizer | 13.55 | 11.83 | 0.42 | 5.00 | 32.57 | 28.65 |
| Conventional fertile | 13.76 | 11.62 | 0.43 | 5.14 | 32.30 | 27.23 |
Table 6 different fertilizer is to the influence of tangerine orange commodity
| Handle | Real produce (kg/ mu) | Comparison is according to CK2 | Comparison is according to CK1 | ||
| Soil quantity | (±)％ | Soil quantity | (±)％ | ||
| Amino acid urea | 167.5 | 64.2 | 62.2 | 54.2 | 47.8 |
| The West board composite fertilizer | 172.3 | 69.0 | 66.8 | 59.0 | 52.1 |
| Conventional fertilizer application CK1 | 113.3 | 10 | 9.68 | ||
| CK2 does not apply fertilizer | 103.3 | ||||
Above-mentioned different crops is with Ju Rou not only has economic benefit separately, and its fertilizer efficiency is lasting, and is balanced for fertile, can prolong the crop leaf function, increase real grain number, significantly improve dry granular and weigh, promote quality, improve Soil structure, reduce volume weight of soils, help promoting the agricultural benign cycle.
From above-mentioned test as can be seen, amino acid urea not only helps improveing northern saline and alkaline soil, and loose spy allows structure, and is suitable for southern mountain region, atteration.Prove that thus amino acid urea has vast market throughout the country,
Claims (8)
1, one seed amino acid-urea compound fertilizer is characterized in that: be made up of dressing and nucleome, dressing coats whole nucleome, is particulate state, and dressing is a urea, and nucleome is an amino acid granular.
2, one seed amino acid according to claim 1-urea compound fertilizer, it is characterized in that containing 15-41% nitrogen, contain the amino acid of 5-50%.
3, one seed amino acid according to claim 2-urea compound fertilizer is characterized in that nitrogenous 8～23% in the described nucleome amino acid granular, amino acid 8～98%, all the other are for organic; Moisture content is less than 5%.
4, described one seed amino acid of above-mentioned arbitrary claim-urea compound fertilizer is characterized in that the fertiliser granulates diameter is that 1～5mm, nucleome amino acid granular diameter are 0.5～4mm.
5, the production technique of one seed amino acid-urea compound fertilizer is characterized in that may further comprise the steps:
(1) amino acid is granulated:
With starch, molasses, protein and hairpencil is raw material, makes with the common chemical method and contains amino acid whose particle;
(2), mend the nitrogen granulation:
Urea and/or urine mixture solidified on amino acid granular, are made amino acid-urea granules.
6, the production technique of described one seed amino acid of claim 5-urea compound fertilizer is characterized in that:
Said amino acid is granulated and is comprised following A or B:
A is
With starch, molasses is raw material, carries out reacting with liquefied ammonia behind the industrial fermentation, makes and contains amino acid whose solution;
The gained amino acid solution concentrates;
By pressure pump concentrated solution is sent into atomizer through rotary drum granulator atomizing granulation, make amino acid granular;
B is
With protein, hairpencil is raw material, makes by acidic hydrolysis and contains amino acid whose solution;
Amino acid solution is concentrated,, cause ball shape the concentrated solution drum granulating of spraying;
The granulation of said benefit nitrogen comprises the steps:
1. urea enters melting device, is warmed to 130～160 ℃ and makes its fusion; Or the urea that contains 5～50% powderies or crystal ammonium sulfate or contain 5～40% ammonium chlorides enters melting device, is warmed to 145～160 ℃ and makes its fusion; Perhaps in urine, add 1～5% urease inhibitor and/or the nitrification inhibitor that accounts for gross weight, form the urine mixture;
2. amino acid granular is delivered in the rotary drum;
3. fusing urea and/or urine mixture are spraying under 0.4～0.6MPa pressure on the amino acid granular that rotates in rotary drum, and fusing urea and/or urea are solidificated on the amino acid granular;
4. the aminoaciduria crude granule that obtains is cooled off, sieves through water cooler.
7, the production technique of claim 5 or 6 described one seed amino acid-urea compound fertilizers is characterized in that:
Described A is:
1. be mixed into main raw material with one or more of wheat, corn, potato class, coarse cereals, do following processing according to ordinary method: be prepared into starch and starch is prepared into liquid glucose, liquid glucose is even eliminated bacterium, fermented 25～35 hours, must contain 9～12% amino acid whose solution;
2. step 1. the solution of gained to make its concentration by quadruple effect evaporator be 37～55% amino acid concentrated solution, by air pressure is the granulation in being sprayed to rotary drum of 0.4～0.6Mpa air pressure, the rotary drum granulator mouth feeds 400 ℃ of high temperature airs, amino acid concentrated solution moisture evaporation, what obtain contains the rotation of uniting of amino acid whose powdery solid under hot polymerization, particle diameter is ascending, and it is 68～95% high-content amino acid granular that cooling obtains aminoacids content;
3. 1. step adds 94～98% sulfuric acid after the removal of impurities of gained solution, and regulating pH value is 4, solid-liquid separation, extract L-glutamic acid after, liquid separates with impeller pump, the waste liquid that contains amino acid/11～2% concentrates by quadruple effect evaporator, content is 4～6% concentrated solution; Concentrated solution is that 0.5Mpa air pressure atomizes through atomizer by pressure, be sprayed to granulation in the rotary drum, the tablets press mouth feeds 400 ℃ of high temperature airs, the concentrated solution moisture evaporation, what obtain contains the rotation of uniting of amino acid whose powdery solid under hot polymerization, particle diameter is ascending, and it is 8～11% low levels amino acid granular that cooling obtains aminoacids content;
Described B is:
1. be mixed into raw material with animal hair, hoof tips material, fish meal, assorted one or more of fish, place reactor, and be incorporated in the concentrated hydrochloric acid or the sulfuric acid of 0.5～2 times of raw material;
2. reactor is warming up to 110～117 ℃, hydrolysis 8～12 hours, and being neutralized to pH value with sodium hydroxide or ammoniacal liquor then is 4, leaves standstill 60～84 hours, obtaining aminoacids content is 15～22% amino acid solutions;
3. the amino acid solution of gained by quadruple effect evaporator concentrate contain 37～55% concentrated solution, be that 0.5Mpa air pressure atomizes through atomizer atomisation pump by pressure again, be sprayed to granulation in the rotary drum, the tablets press mouth feeds 400 ℃ of high temperature airs, the concentrated solution moisture evaporation, the amino acid solid that contains that obtains is the powdery rotation of uniting under hot polymerization, particle diameter is ascending, and it is 40～90% high-content amino acid granular that cooling obtains aminoacids content;
The granulation of said benefit nitrogen comprises:
Urea enters melting device, is warmed to 130～160 ℃ and makes its fusion; Or the urea that contains 5～50% powderies or crystal ammonium sulfate or contain 5～40% ammonium chlorides enters melting device, is warmed to 145～160 ℃ and makes its fusion; Perhaps in urine, add 1～5% urease inhibitor and/or the nitrification inhibitor that accounts for gross weight, form the urine mixture; Fusing urea and/or urine mixture are spraying under 0.40～0.60MPa pressure on the amino acid granular that rotates in rotary drum, and fusing urea and/or urine are solidificated on the amino acid spherical particle, and forming diameter is the particle of 1～5mm;
The particle that obtains is delivered in cooling kiln or the water cooler screening;
Nitrogenous 15-41%, amino acid 5-50% in gained amino acid-urea granules;
In spraying process, control the urea flow, and as required nitrogen content, the aminoacids content of product are regulated with under meter.
8, according to the production technique of described one seed amino acid of claim 7-urea compound fertilizer, it is characterized in that said A step 2. and 3. reach the B step 6. gained amino acid granular diameter be 0.5～4mm, wherein the amino acid granular that 2. makes of A step contains 68～95% amino acid, its excess is nitrogen and organic matter, moisture content is less than 5% in the amino acid granular, the amino acid granular that 6. the B step makes contains 40～90% amino acid, its excess is nitrogen and organic matter, and moisture content is less than 5% in the amino acid granular; The amino acid granular that 3. the A step makes contains 8～11% amino acid, 13～16% nitrogen, and its excess is organic, and moisture content is less than 5% in the amino acid granular.
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| CN100586903C (en) * | 2005-12-27 | 2010-02-03 | 中国科学院沈阳应用生态研究所 | A slow-release long-acting organic-inorganic compound fertilizer |
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| CN116536195B (en) * | 2023-04-26 | 2024-11-22 | 福建省农业科学院资源环境与土壤肥料研究所 | Bacillus clausii and its application in preparing organic microbial fertilizer |
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| US10513467B2 (en) | 2015-06-02 | 2019-12-24 | Koch Agronomic Services, Llc | Agricultural microbial inoculant compositions and uses thereof |
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