CN101921149B - Filler-free synergistic compound fertilizer produced by urine syrup ammonia-acid method and production method thereof - Google Patents
Filler-free synergistic compound fertilizer produced by urine syrup ammonia-acid method and production method thereof Download PDFInfo
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Abstract
The invention discloses a filler-free synergistic compound fertilizer produced by a urine syrup ammonia-acid method to pelletize and a production method thereof. The production method thereof comprises the following steps: selecting raw materials according to the product formulation, and metering, crushing and evenly mixing the raw materials; adopting the urine syrup ammonia-acid revolving drum pelleting process, carrying out first-segment drying, second-segment cooling and coarse and fine screening on the mixture, and then feeding the screened mixture into a coating machine; utilizing the front end of the coating machine to spray fertilizer synergist by a continuous pulverization coating method, utilizing the middle end of the coating machine to spray pasty anti-blocking agent, and utilizing the tail end of the coating machine to add powdery anti-blocking agent; and adequately stirring and packaging to obtain the finished product. The filler-free synergistic compound fertilizer produced by the pelleting process of the urine syrup ammonia-acid method has small investment, simple operation, low production cost, obvious energy conservation effect, beautiful product appearance, good dissolubility and improved nutrient utilization ratio; and after the filler-free synergistic compound fertilizer is applied to crops, production and income are increased.
Description
Technical field
The present invention relates to technical field of fertilizers, specifically a kind of synergistic compound fertilizer of urinating slurry propylhomoserin method production filler-free.
Background technology
Fertilizer is the grain of plant, is extremely important capital goods in the agricultural sector, is the important leverage of agriculture production development and national food safety.Along with the continuous development of China's chemical fertilizer industry and agriculture production, compound manure has obtained developing rapidly in nearly decades as the more complete fertilizer of a kind of nutritive ingredient.
The production of present domestic compound manure exists the energy consumption height, pollutes problems such as many, that investment is big, composite fertilizer enterprise faces intense market competition, product has competitive edge and seems extremely important, the compound manure that contains weighting agent influences because being subjected to weighting agent, the product instantly-soluble is poor, be dissolved with residue, appearance color instability, raw material characteristics is obvious to the compound fertilizer granulating and the dry influence that contain weighting agent simultaneously, production energy consumption is big, the cost of goods manifactured height can not satisfy market to quality product and cost requirement.
In the face of increasingly serious global grain security problem, the raising fertilizer amount simple in order to increase grain yield must cause the excessive fertilization problem, main harm: the throughput that weakens the crops; The aggravation environmental pollution; Waste a large amount of narrow resources, development Synergistic type fertilizer can improve utilization rate of fertilizer, reduces rate of fertilizer application, alleviates environmental pollution, alleviates China's energy scarcity.
In order to improve composite fertilizer's quality, reduce production costs, improve utilization rate of fertilizer, improve product specification and the market competitiveness energetically, quality, production and application problem at the compound manure existence that contains weighting agent, comprehensive composite fertilizer produces and uses urine basic spray granulating, propylhomoserin granulation and the coating method coating process that atomizes continuously, the invention provides a kind of urinate synergistic compound fertilizer product innovation that the granulation of slurry propylhomoserin method produces filler-free and and manufacture method, agriculture production is of great significance, composite fertilizer's industrial development is also had very important effect.
Summary of the invention
The invention provides a kind of synergistic compound fertilizer and manufacture method thereof that filler-free is produced in the granulation of slurry propylhomoserin method of urinating, urine slurry propylhomoserin method technology is adopted in granulation, add fertilizer synergist and adopt atomizing coating method continuously, can accomplish in the production that granulation is effective, production efficiency is high, energy consumption is low, low cost of manufacture, it is pure white mellow and full smooth to make product appearance, solvability is good, no residue, the increasing both production and income of crop applying energy improves quality of agricultural product, strengthen crop anti-adversity, improve the soil.
Technical scheme of the present invention is:
A kind of synergistic compound fertilizer of urinating slurry propylhomoserin method production filler-free is characterized in that: from the raw material of following weight part:
Urea 5-40 weight part, ammonium chloride 6-20 weight part, ammonium sulfate 2-42 weight part, monoammonium phosphate 28-68 weight part, Repone K 12-53 weight part, vitriolate of tartar 10-58 weight part, Repone K fertiliser containing magnesium 7-35 weight part, potash magnesium sulphate fertilizer 5-45 weight part,
Select two or more raw material mix mixture, spray urine slurry 50-280 kilogram, liquefied ammonia 16-32 kilogram, dilute sulphuric acid 16-40 kilogram by mixture per ton during granulation, granulation work in-process spraying fertilizer synergist 3-6 kilogram per ton, paste anti-hard caking agent 0.8-1.2 kilogram, powdered anti-caking agent 2.0-3.0 kilogram during coating.
Described urine slurry propylhomoserin method is produced the synergistic compound fertilizer of filler-free, it is characterized in that: described urea contains N46.2%, ammonium chloride and contains that N23.6%, ammonium sulfate contain N20.5%, monoammonium phosphate contains N10%-11%, contains P
2O
543%-48%, Repone K contain K
2O60%, vitriolate of tartar contain K
2O50%, Repone K fertiliser containing magnesium contain K
2O22%, potash magnesium sulphate fertilizer contain K
2O22%.
Described urine slurry propylhomoserin method is produced the synergistic compound fertilizer of filler-free, it is characterized in that: described urine slurry is 95% urea soln for mass percentage concentration, and described dilute sulphuric acid mass percentage concentration is 50%-60%.
Described urine slurry propylhomoserin method is produced the synergistic compound fertilizer of filler-free, and it is characterized in that: described fertilizer synergist is poly aspartic acid.
Described urine slurry propylhomoserin method is produced the synergistic compound fertilizer of filler-free, it is characterized in that: described paste anti-hard caking agent is made up of machinery oil, stearylamine, distearyl dimethyl ammonium chloride, and the weight proportion of each component is machinery oil: stearylamine: distearyl dimethyl ammonium chloride=10: (2.5-5.0): (0.6-2.5).
Described urine slurry propylhomoserin method is produced the synergistic compound fertilizer of filler-free, it is characterized in that: described powdered anti-caking agent is made up of diatomite, attapulgite, sodium lauryl sulphate, polyacrylamide, and the weight proportion of each component is diatomite: attapulgite: sodium lauryl sulphate: polyacrylamide=10: (6-10): (0.4-1.6): (0.2-1.4).
The production method that described urine slurry propylhomoserin method is produced the synergistic compound fertilizer of filler-free is characterized in that: may further comprise the steps:
(1) material pulverize, mixing: take by weighing urea, ammonium chloride, ammonium sulfate, monoammonium phosphate, Repone K, vitriolate of tartar, Repone K fertiliser containing magnesium, potash magnesium sulphate fertilizer by formula rate, broken and mix after send in the rotary drum granulator;
(2) urine slurry propylhomoserin method granulation: in tablets press, the granulation material is sprayed an amount of urine slurry earlier, again liquefied ammonia and dilute sulphuric acid are sprayed the granulation material behind tubular reactor;
(4) dry, cooling, screening: the particle after the granulation is carried out one section drying, two sections coolings and thickness screening, and the qualified particle of screening back granularity enters in the special coating machine, and macrobead returns fragmentation, and particulate returns granulation;
(5) synergistic agent and anti-hard caking agent coating: fertilizer synergist is delivered to the coating machine front end evenly sprays through air atomizing, coating machine middle-end atomizing spraying paste anti-hard caking agent, the terminal powdered anti-caking agent that adds of coating machine;
(6), packing: the fertilizer that coating is good mixes, packs through abundant, gets finished product.
Advantage of the present invention is as follows:
1, the present invention only needs to increase tubular reactor, tail gas generated by granulation washing device and propylhomoserin measuring apparatus at crude urine base spray granulating compound fertilizer facility and gets final product, and less investment, and is easy to operate;
2, urine slurry propylhomoserin method rotary drum prilling process is adopted in granulation, need not to increase granulation weighting agent and amendment, reduces product batching cost;
3, urine slurry propylhomoserin method rotary drum prilling process is adopted in granulation, and the chemical reaction that takes full advantage of stock yard improves prilling temperature, improves material characteristic, makes it to reach the granulation operating mode of the best, and the material returning charge improves plant capacity than reducing, and reduces production costs;
4, urine slurry propylhomoserin method rotary drum prilling process is adopted in granulation, does not use steam, water granulation, and the propylhomoserin reaction produces a large amount of heats, reduces material moisture, alleviates drying load, and coal consumption, power consumption reduce significantly, and energy-saving effect is remarkable;
5, add fertilizer synergist and adopt atomizing coating method continuously, the mode of filming adopts the continuous atomizing of special nozzle to film, and has improved the spraying homogeneity, effectively reduces the fertilizer synergist consumption;
6, fertilizer synergist and N-P-K content can be regulated as required in the prepared product;
7, prepared product particle is pure white, smooth, mellow and full, the intensity height, and moisture is low, does not lump, and not efflorescence is dissolved no residue, and can also be improved plant recovery of nutrient, and the increasing both production and income of crop applying energy improves quality of agricultural product, strengthens crop anti-adversity, improves the soil.
Description of drawings
Fig. 1 is process flow sheet of the present invention.
Embodiment
Embodiment 1
Total nutrient (N+P
2O
5+ K
2O) 〉=51%, specification is the synergistic compound fertilizer of the chloride type filler-free of 17-17-17, and concrete technological operation step is as follows:
(1) measures 33.5 kilograms of Repone K respectively and (contain K
2O-60%), 42.1 kilograms of monoammonium phosphates (contain N-10%, contain P
2O
5-48%), 13.0 kilograms of ammonium chlorides (containing N-23.6%), 11.4 urea (containing N-46.2%), with the above-mentioned raw materials fragmentation, mix, get mixture and send in the rotary drum granulator;
(2) mixture per ton sprays 159.1 kilograms of urine slurries, 26.1 kilograms of liquefied ammonia, 22.7 kilograms of dilute sulphuric acids in the tablets press;
(3) adopt one section drying, two sections coolings and thickness screening, the qualified particle of screening back granularity enters in the special coating machine, and macrobead returns fragmentation, and particulate returns granulation;
(4) to the qualified particle of screening back granularity per ton, 3 kilograms of fertilizer synergists are delivered to the coating machine front end evenly to spray through air atomizing, 1.1 kilograms of coating machine middle-end atomizing spraying paste anti-hard caking agents, the weight proportion of each component of paste anti-hard caking agent is machinery oil: stearylamine: distearyl dimethyl ammonium chloride=10: 2.6: 1.0, terminal 2.8 kilograms of the powdered anti-caking agents that add of coating machine, the weight proportion of each component of powdered anti-caking agent is diatomite: attapulgite: sodium lauryl sulphate: polyacrylamide=10: 9: 0.8: 0.4;
(5) the abundant mixing of the fertilizer that coating is good, packing get finished product.
Embodiment 2
Total nutrient (N+P
2O
5+ K
2O) 〉=48%, specification is the synergistic compound fertilizer of the chloride type filler-free of 25-13-10, and concrete technological operation step is as follows:
(1) measures 21.1 kilograms of Repone K respectively and (contain K
2O-60%), 37.4 kilograms of monoammonium phosphates (contain N-11%, contain P
2O
5-44%), 10.2 kilograms of ammonium chlorides (containing N-23.6%), 31.3 kilograms of urea (containing N-46.2%), with the above-mentioned raw materials fragmentation, mix, get mixture, send in the rotary drum granulator;
(2) mixture per ton sprays 217.6 kilograms of urine slurries, 28.5 kilograms of liquefied ammonia, 27.3 kilograms of dilute sulphuric acids in the tablets press;
(3) adopt one section drying, two sections coolings and thickness screening, the qualified particle of screening back granularity enters in the special coating machine, and macrobead returns fragmentation, and particulate returns granulation;
(4) to the qualified particle of screening back granularity per ton, 4 kilograms of fertilizer synergists are delivered to the coating machine front end evenly to spray through air atomizing, 1.2 kilograms of coating machine middle-end atomizing spraying paste anti-hard caking agents, the weight proportion of each component of paste anti-hard caking agent is machinery oil: stearylamine: distearyl dimethyl ammonium chloride=10: 4.2: 1.4, terminal 2.6 kilograms of the powdered anti-caking agents that add of coating machine, the weight proportion of each component of powdered anti-caking agent is diatomite: attapulgite: sodium lauryl sulphate: polyacrylamide=10: 6.7: 0.5: 0.5;
(5) the abundant mixing of the fertilizer that coating is good, packing get finished product.
Embodiment 3
Total nutrient (N+P
2O
5+ K
2O) 〉=45%, specification is the synergistic compound fertilizer of 15-15-15 potassium sulfate type filler-free, and concrete technological operation step is as follows:
(1) measures 36.2 kilograms of vitriolate of tartar respectively and (contain K
2O-50%), 41.5 kilograms of monoammonium phosphates (contain N-11%, contain P
2O
5-44%), 22.3 kilograms of ammonium sulfate (containing N-20.5%), with the above-mentioned raw materials fragmentation, mix, get mixture, send in the rotary drum granulator;
(2) mixture per ton sprays 191.5 kilograms of urine slurries, 27.7 kilograms of liquefied ammonia, 23.4 kilograms of dilute sulphuric acids in the tablets press;
(3) adopt one section drying, two sections coolings and thickness screening, the qualified particle of screening back granularity enters in the special coating machine, and macrobead returns fragmentation, and particulate returns granulation;
(4), to the qualified particle of screening back granularity per ton, 5 kilograms of fertilizer synergists are delivered to the coating machine front end evenly to spray through air atomizing, 0.9 kilogram of coating machine middle-end atomizing spraying paste anti-hard caking agent, the weight proportion of each component of paste anti-hard caking agent is machinery oil: stearylamine: distearyl dimethyl ammonium chloride=10: 3.0: 1.2, terminal 2.5 kilograms of the powdered anti-caking agents that add of coating machine; The weight proportion of each component of powdered anti-caking agent is diatomite: attapulgite: sodium lauryl sulphate: polyacrylamide=10: 8.8: 0.5: 1.0;
(5), the abundant mixing of fertilizer, packing that coating is good, get finished product.
Embodiment 4
Total nutrient (N+P
2O
5+ K
2O) 〉=48%, specification is the synergistic compound fertilizer of 14-20-14 potassium sulfate type filler-free, and concrete technological operation step is as follows:
(1) measures 30.9 kilograms of vitriolate of tartar respectively and (contain K
2O-50%), 11.1 kilograms of potash magnesium sulphate fertilizers (contain K
2O-22%), 58.0 kilograms of monoammonium phosphates (contain N-11%, contain P
2O
5-44%), with the above-mentioned raw materials fragmentation, mix, gets mixture, send in the rotary drum granulator;
(2) mixture per ton sprays 246.9 kilograms of urine slurries, 30.9 kilograms of liquefied ammonia, 24.7 kilograms of dilute sulphuric acids in the tablets press;
(3) adopt one section drying, two sections coolings and thickness screening, the qualified particle of screening back granularity enters in the special coating machine, and macrobead returns fragmentation, and particulate returns granulation;
(4) to the qualified particle of screening back granularity per ton, 4 kilograms of fertilizer synergists are delivered to the coating machine front end evenly to spray through air atomizing, 1.1 kilograms of coating machine middle-end atomizing spraying paste anti-hard caking agents, the weight proportion of each component of paste anti-hard caking agent is machinery oil: stearylamine: distearyl dimethyl ammonium chloride=10: 4.8: 1.8, terminal 2.6 kilograms of the powdered anti-caking agents that add of coating machine, the weight proportion of each component of powdered anti-caking agent is diatomite: attapulgite: sodium lauryl sulphate: polyacrylamide=10: 9.5: 0.7: 0.4;
(5) the abundant mixing of the fertilizer that coating is good, packing get finished product.
Claims (2)
1. urinate the synergistic compound fertilizer that slurry propylhomoserin method is produced filler-free for one kind, it is characterized in that: from the raw material of following weight part:
Urea 5-40 weight part, ammonium chloride 6-20 weight part, ammonium sulfate 2-42 weight part, monoammonium phosphate 28-68 weight part, Repone K 12-53 weight part, vitriolate of tartar 10-58 weight part, Repone K fertiliser containing magnesium 7-35 weight part, potash magnesium sulphate fertilizer 5-45 weight part,
Select two or more raw material mix mixture, spray urine slurry 50-280 kilogram, liquefied ammonia 16-32 kilogram, dilute sulphuric acid 16-40 kilogram by mixture per ton during granulation, granulation work in-process spraying fertilizer synergist 3-6 kilogram per ton, paste anti-hard caking agent 0.8-1.2 kilogram, powdered anti-caking agent 2.0-3.0 kilogram during coating; Described urea contains N46.2%, ammonium chloride and contains that N23.6%, ammonium sulfate contain N20.5%, monoammonium phosphate contains N10%-11%, contains P
2O
543%-48%, Repone K contain K
2O60%, vitriolate of tartar contain K
2O50%, Repone K fertiliser containing magnesium contain K
2O22%, potash magnesium sulphate fertilizer contain K
2O22%; Described urine slurry is 95% urea soln for mass percentage concentration; Described dilute sulphuric acid mass percentage concentration is 50%-60%; Described fertilizer synergist is poly aspartic acid; Described paste anti-hard caking agent is made up of machinery oil, stearylamine, distearyl dimethyl ammonium chloride, and the weight proportion of each component is machinery oil: stearylamine: distearyl dimethyl ammonium chloride=10: (2.5-5.0): (0.6-2.5); Described powdered anti-caking agent is made up of diatomite, attapulgite, sodium lauryl sulphate, polyacrylamide, and the weight proportion of each component is diatomite: attapulgite: sodium lauryl sulphate: polyacrylamide=10: (6-10): (0.4-1.6): (0.2-1.4).
2. the described urine of claim 1 is starched the production method that the propylhomoserin method is produced the synergistic compound fertilizer of filler-free, it is characterized in that: may further comprise the steps:
(1) material pulverize, mixing: take by weighing urea, ammonium chloride, ammonium sulfate, monoammonium phosphate, Repone K, vitriolate of tartar, Repone K fertiliser containing magnesium, potash magnesium sulphate fertilizer by formula rate, broken and mix after send in the rotary drum granulator;
(2) urine slurry propylhomoserin method granulation: in tablets press, the granulation material is sprayed an amount of urine slurry earlier, again liquefied ammonia and dilute sulphuric acid are sprayed the granulation material behind tubular reactor;
(4) dry, cooling, screening: the particle after the granulation is carried out one section drying, two sections coolings and thickness screening, and the qualified particle of screening back granularity enters in the special coating machine, and macrobead returns fragmentation, and particulate returns granulation;
(5) synergistic agent and anti-hard caking agent coating; Fertilizer synergist is delivered to the coating machine front end evenly sprays through air atomizing, coating machine middle-end atomizing spraying paste anti-hard caking agent, the terminal powdered anti-caking agent that adds of coating machine;
(6), packing: the fertilizer that coating is good mixes, packs through abundant, gets finished product.
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