CN1040097C - Coated fertilizer and its coating method and equipment for manufacturing said coated fertilizer - Google Patents
Coated fertilizer and its coating method and equipment for manufacturing said coated fertilizer Download PDFInfo
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- CN1040097C CN1040097C CN96105688A CN96105688A CN1040097C CN 1040097 C CN1040097 C CN 1040097C CN 96105688 A CN96105688 A CN 96105688A CN 96105688 A CN96105688 A CN 96105688A CN 1040097 C CN1040097 C CN 1040097C
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Abstract
The present invention relates to a coated fertilizer, a coating method thereof, and equipment for manufacturing the coated fertilizer composed of an animal glue, a solubilizing agent, organic acid, inorganic acid, a plant nutrient element compound and a cationic surface active agent. Fertilizer granules are coated in a granulation tower with a special coating spray coater, the consumption of a coated material is from 0.3 to 0.8%, and the nitrogen content of the coated fertilizer reaches 46%. The coated fertilizer is used for grain crops, economic crops, vegetables and fruit trees. The coated fertilizer increases the yield of crops to the following extents: paddy rice 5 to 6%, sugar cane 7 to 8%, peanuts 4 to 10%, the vegetables 7 to 17%, wheat 10% and cotton 13%.
Description
The invention belongs to slow release fertilizer.
Prior art: produce slow release fertilizer abroad and generally be divided into two big classes: the first kind is the slow release fertilizer that substance reactions such as urea and aldehydes generate; Second class is a coated fertilizer, adopts sulphur, polymkeric substance (polyvinyl chloride, polyethylene, polypropylene, resol, urethane etc.) and oils, paraffin etc. as coated material, is coated on the fertilizer outside and reaches the fertilizer corrosion inhibition; The employed coated material of external this fertilizer of production generally accounts for the 10-20% of slow release fertilizer product gross weight; Urea product nitrogen content per ton is up between the 36-37%, and the price height improves 31% approximately as the cost of U.S.'s sulfur-coated urea nitrogen per ton, so can only be used for high price crops such as lawn, flowers, can not be used for the land for growing field crops and produce.
The objective of the invention is to propose a kind of coated material that is used for coated fertilizer; Another object of the present invention is to propose a kind of is the coated fertilizer of the coating of main component with gelatin; Another object of the present invention is to the equipment that proposes a kind of coating process of described coated fertilizer and make described coated fertilizer.
The technical solution used in the present invention has overcome the problems referred to above, produces low cost, high utilization rate of fertilizer, is used for the coated fertilizer in land for growing field crops.Its scheme is with the low-cost coated material that contains gelatin, adopt mechanical injection coating technology and manual coating technology that coated material is coated in the granulated fertilizer surface, produce coated fertilizer, the coated material consumption only accounts for the 0.3-0.8% of coated fertilizer product gross weight; Urea coated fertilizer product nitrogen content per ton is＞46%, close with the nitrogen content of urea, it is about 5% that the cost of coating urea of the present invention nitrogen per ton only improves, and has only 1/5th of sulfur-coated urea, demonstrate tangible economic advantages, and significantly improved fertilizer utilization ratio.
Concrete scheme of the present invention is
1. coated fertilizer, this fertilizer is made up of granulated fertilizer and the coating that is coated on the granulated fertilizer outside, it is characterized in that described coating (by weight) composed as follows: gelatin: 0.1-50 part, solubilizing agent: 1-180 part, organic acid: 0.05-30 part, mineral acid: 0.1-15 part, plant nutrient compound: 0.1-200 part, tensio-active agent: 0.1-15 part;
Wherein organic acid is one or more mixtures in toxilic acid, oxalic acid, lauric acid, formic acid, acetic acid, xanthohumic acid, citric acid, the hexanodioic acid;
Mineral acid is one or more mixtures in phosphoric acid, hydrochloric acid, sulfuric acid, nitric acid, the boric acid;
Gelatin is one or more mixtures in animal skin glue, gelatine, the epoxy glue;
Solubilizing agent is one or more mixtures in urea, ammonium sulfate, ammonium nitrate, sal epsom, the ammonium citrate;
The plant nutrient compound is one or more mixtures in the vitriol of iron, zinc, manganese, molybdenum, copper, magnesium, titanium, potassium element.
2. according to (1) described coated fertilizer, it is characterized in that described coating (by weight) composed as follows: gelatin: 0.5-25 part, solubilizing agent: 5-150 part organic acid: 0.1-20 part, mineral acid: 0.5-10 part, plant nutrient compound 5-150 part, tensio-active agent: 1-10 part.
3. according to (1) described coated fertilizer, it is characterized in that described coating (by weight) composed as follows: gelatin: 1-10 part, solubilizing agent: 10-100 part, organic acid: 1-10 part, mineral acid: 1-5 part, plant nutrient compound: 10-120 part, tensio-active agent: 2-7 part.
4. according to (1-3) described coated fertilizer, it is characterized in that tensio-active agent is a quaternary cationics.
5. according to (1) described coated fertilizer, it is characterized in that described granulated fertilizer is one or more mixture or composite fertilizer or the humic acid fertilizer in nitrogenous fertilizer, phosphate fertilizer, the potash fertilizer chemical fertilizer.
6. according to (5) described coated fertilizer, it is characterized in that described nitrogenous fertilizer is one or more the mixture in urea, ammonium nitrate, ammonium chloride, ammonium sulfate, the nitrocalcite.
7. according to (5) described coated fertilizer, it is characterized in that described phosphate fertilizer is one or more the mixture in double superhosphate, double superphosphate, ammonium phosphate, nitre phosphorus ammonium, urine phosphorus ammonium, ammonium polyphosphate, nitrophosphate fertilizer, fused(calcium magnesium)phosphate, defluorinated phosphate, thomas phosphate, normal superphosphate, Lin Suanergai, calcium metaphosphate, ammonium metaphosphate, the ground phosphate rock fertilizer.
8. according to (5) described coated fertilizer, it is characterized in that described potash fertilizer is one or more the mixture in Repone K, vitriolate of tartar, saltpetre, potassium dihydrogen sulfate, potassium-ammonium phosphate, potassic-magnesian fertilizer, the grey potash fertilizer.
9. according to (5) described coated fertilizer, it is characterized in that described humic acid fertilizer is one or more the mixture in Sodium salts humic acids, potassium humate, ammonium humate, yellow humic acid, the nitro humic acid.
10. the preparation method of a coated fertilizer is characterized in that following raw material: gelatin: 0.1-50 part, solubilizing agent: 1-180 part, organic acid: 0.05-30 part, mineral acid: 0.1-15 part, plant nutrient compound: 0.1-200 part, tensio-active agent: 0.1-15 part, water: 5-450 part
Wherein organic acid is one or more mixtures in toxilic acid, oxalic acid, lauric acid, formic acid, acetic acid, xanthohumic acid, citric acid, the hexanodioic acid;
Mineral acid is one or more mixtures in phosphorus propylhomoserin, hydrochloric acid, sulfuric acid, nitric acid, the boric acid;
Gelatin is one or more mixtures in animal skin glue, gelatine, the epoxy glue:
Solubilizing agent is one or more mixtures in urea, ammonium sulfate, ammonium nitrate, sal epsom, the ammonium citrate;
The plant nutrient compound is one or more mixtures in the vitriol of iron, zinc, manganese, molybdenum, copper, magnesium, titanium, potassium element; Under normal pressure, in 20-80 ℃, react and obtained coating solution in 20-80 minute; Adopting air conveying injector then, is medium with pressurized air, and described coating solution is sucked injector, after the air mixed atomizing, spray into the fertiliser granulates surface, coating is done solid oxidation and is formed coating particles fertilizer, and the pressure that adopts air conveying air is 0.3-0.5MPa; The coating solution consumption of fertilizer per ton is the 6-10 kilogram.
11, the preparation method of coated fertilizer according to claim 10 is characterized in that described raw material is a gelatin: 0.5-25 part, solubilizing agent: 5-150 part, organic acid: 0.1-20 part, mineral acid: 0.5-10 part, plant nutrient compound: 5-150 part, tensio-active agent: 1-10 part, water: 30-400 part.
12, according to the preparation method of (10) described coated fertilizer, it is characterized in that described raw material is a gelatin: 1-10 part, solubilizing agent: 10-100 part, organic acid: 1-10 part, mineral acid: 1-5 part, plant nutrient compound: 10-120 part, tensio-active agent: 2-7 part, water: 100-300 part.
13. a coating equipment for preparing described coated fertilizer, it is characterized in that it by reactor (1), strainer (2), storage tank (3), pump (4), header tank (5), apply injector (6), prilling tower (7) is formed; Described coating injector (6) is made up of parts (6-1), (6-2), (6-3), (6-4), (6-5), (6-6), and parts (6-1) are air injection tube; Parts (6-2) melt pipe for the coated material breast, its front end is a flange, the centre is isometrical pipe, one garden post cavity is arranged between isometrical pipe and the flange, and coupled expansion tube, the other end also are expansion tube, near a coated material inlet pipe (6-6) being housed the flange place, (6-3) be isometrical spray tube, the one end is connected with (6-2), and the other end is threaded with nozzle (6-4); Nozzle (6-4) mouth hole is 6-8mm; (6-5) be the air intlet pipe, be connected with (6-2) by flange.
The coating method of coated fertilizer of the present invention and equipment 1,2 are described below in conjunction with the accompanying drawings:
Fig. 1 is coated fertilizer preparation flow figure of the present invention, and 1 is that stainless steel cauldron, 2 is that Stainless Steel Filter, 3 is that stainless steel coating material solution storage tank, 4 is that pump, 5 is that coating material solution header tank, 6 is that injector, 7 is a prilling tower among the figure.
Fig. 2 makes the employed injector 6 of coated fertilizer of the present invention, and this injector 6 is made up of parts 6-1,6-2,6-3,6-4,6-5,6-6, and parts 6-1 is an air injection tube; Parts 6-2 melts pipe for the coated material breast, its front end is a flange, the centre is isometrical pipe, one garden post cavity is arranged between isometrical pipe and the flange, and coupled expansion tube, the other end also are expansion tube, near a coated material inlet pipe 6-6 being housed the flange place, 6-3 is isometrical spray tube, and the one end is connected with 6-2, and the other end is threaded with nozzle 6-4; Nozzle 6-4 mouth hole is 6-8mm; 6-5 is that the air intlet pipe is connected with 6-2 by flange.
One, the preparation of coating material solution of the present invention: the dog-house 1-1 in the stainless steel cauldron 1 that has agitator adds entry, heat by chuck, start agitator, to contain raw materials such as gelatin, solubilizing agent, organic acid, mineral acid, plant nutrient inorganic salt and quaternary cationics, press the dog-house 1-1 input of above-mentioned raw materials composition from coating solution reactor 1.React under 20-80 ℃ of temperature normal pressure, its temperature is controlled by the jacket steam of conditioned reaction still.Reaction times is 20-80 minute, after finishing, reaction opens the outlet valve of reactor 1 bottom, the fertilizer coating material solution flow to Stainless Steel Filter 2, strainer top is fixed with one 120 purpose screen cloth, its effect is that thorough elimination starting material are brought next mechanical impurity into, to avoid mechanical impurity to bring the coating solution injector 6 that frays behind the coating solution into, influence spraying effect.Fertilizer coating solution after filtering totally from strainer 2 flow to coating solution basin 3 by strainer 2 bottoms and stores.So far, just finished the preparation of fertilizer coating material solution.
Two, the production of coated fertilizer:
Because fertilizer coating material solution and fertiliser granulates surface have certain avidity, a spot of fertilizer coating material solution can be coated the fertiliser granulates surface equably, and there is a small amount of porous to go into fertilizer inside, the fertilizer coating solution is after solid oxidation is done on the fertiliser granulates surface, one deck coating as thin as a wafer be can form, thereby the physicals and the agricultural voltinism matter of fertilizer improved.For this reason, designed a kind of fertilizer coating solution injector 61 concrete structures referring to Fig. 2) chemical industry quantity-produced needs.Be example now with fertilizer such as urea, 2-8 is installed at the ventilation opening place of the prilling tower wall bottom of urea production props up fertilizer coating solution injector 6 (deciding the injector number on the throughput size), this injector top 6-5 is that the compressed air inlet tube side part 6-6 of 0.3-0.5MPa is a fertilizer coating solution inlet pipe.When ordinary production, earlier coating solution is delivered to coating solution high level tank 5 apart from the high 17-23 rice of injector by coating material solution basin 3 with pump 4.After checking that each equipment valve and deposit coating solution are normal, open compressed air valve (not indicating among the figure) earlier, send pressurized air to air intlet pipe 6-5 at injector 6, the coating solution inlet valve of opening again, coating material solution inlet pipe 6-6 to injector 6 carries coating material solution, and this valve opening must strictness be measured control on request.The compressed air intlet pipe of pressurized air 6-5 enters at the gas-liquid mixed chamber of injector 6 6-2 with pattern, forms negative pressure coating material solution is sucked, and under the state of negative pressure, coating material solution forms the gas-liquid breast and melts state in the 6-2 of gas-liquid mixed chamber.Reach further mixing and emulsifying by the 6-3 of jet chamber again, injector nozzle 4 through diameter 6-8mm sprays into coating material solution in the prilling tower 7 with vaporific, vaporific fertilizer coating material solution is scattered by the ventilation opening of prilling tower 7 is bottom-up, fully contact with the fertiliser granulates surface that falls from prilling tower 7 tops, the coating material solution on fertiliser granulates surface is by means of the heat of fertiliser production itself, water evaporates in the coating material solution is fallen, and coating is done solid oxidation.So far, the coated fertilizer production technique is finished, and send packaging system.
Specifically describe the coating equipment of the described coated fertilizer of preparation now.
Fig. 1 is coated fertilizer preparation flow figure of the present invention, and 1 is that stainless steel cauldron, 2 is that Stainless Steel Filter, 3 is that stainless steel coating material solution storage tank, 4 is that pump, 5 is that coating material solution header tank, 6 is that injector, 7 is a prilling tower among the figure.
Fig. 2 makes the employed injector 6 of coated fertilizer of the present invention, and this injector 6 is made up of parts 6-1,6-2,6-3,6-4,6-5,6-6, and parts 6-1 is an air injection tube; Parts 6-2 melts pipe for the coated material breast, its front end is a flange, middle between isometrical pipe of isometrical pipe and the flange garden post cavity being arranged, the coupled expansion tube the other end also is an expansion tube, near a coated material inlet pipe 6-6 being housed the flange place, 6-3 is isometrical spray tube, and the one end is connected with 6-2, and the other end is threaded with nozzle 6-4; Nozzle 6-4 mouth hole is 6-8mm; 6-5 is the air intlet pipe, is connected with 6-2 by flange.
By test, confirm that its integrated artistic has following advantage:
1. industrialization flow process is simple, and device structure is uncomplicated, transform easily, and less investment, operation is regulated easily, and maintenance load is little, is convenient to management.
2. coated material is synthetic at normal temperatures and pressures, and spraying process carries out synchronously with urea production in urea prilling tower, and once shaped; Can utilize the heat of urea itself again, it is solid that coating is done, and do not need to establish drying, cooling system in addition, has certain advance and novelty and practicality.
3. in process of production, reduce carbamide dust and ammonia content in the exhaust of granulation cat head, reduce the pollution of exhaust environment.
4. coating particles fertilizer carries out large-scale experiment under two kinds of edaphic conditions of the two kinds of weathers in north and south, provinces and regions such as Guangdong, Hebei, Xinjiang.By in office analysis, field experiment and sign demonstration prove that coating particles fertilizer is applicable to food crop: rice, wheat, corn, high grain, millet, soybean; Cash crop: sugarcane, peanut, cotton, oily certain herbaceous plants with big flowers, ramie, melon, tea; Vegetable crop: Chinese cabbage, beet, capsicum, Kidney bean; Fruit tree: peach, pear, lichee, Gui Yuan, mango, mandarin orange orange etc.Illustrate increasing yield and the reason of coated fertilizer to paddy rice, sugarcane, wheat, corn etc., coated fertilizer has positive effect than general chemical fertilizer, its amount of increase in production to crops such as paddy rice, sugarcane, peanut, vegetables, wheat, summer corn, cottons: paddy rice 5-6%; Sugarcane 7-8%, peanut 4-10%, vegetables (heart of a cabbage, green cucumber) 7%, (Chinese cabbage) 17%, wheat 10.2%, summer corn 9.7%, cotton 13.2%.For a better understanding of the present invention, list following examples: embodiment 1: the coated fertilizer that is used for paddy rice
Coated material prescription (by weight):
Animal skin glue: 2 parts
Solubilizing agent urea: 12 parts
Toxilic acid: 0.5 part
Zinc sulfate: 15 parts
Boric acid: 2 parts
Manganous sulfate: 2 parts
Ferrous sulfate: 10 parts
Water: 42 parts
Season cats product: 0.5 part.By above-mentioned prescription, add in the reactor, in the reaction down of 20 ℃ of normal pressures, in 50 minutes reaction times, reaction finishes and is coating material solution after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7%) as follows: 2 fertilizer coating material solution injectors 6 are installed at the ventilation opening place at the prilling tower wall of urea production, this injector top is the compressed air inlet of 0.3MPa, and sidepiece is the import of fertilizer coating solution.When ordinary production, with pump 4 coating solution is delivered to the coating solution high level tank 5 high 17 meters apart from injector by coating solution basin 3 earlier.After checking that each equipment valve and deposit coating solution are normal, open compressed air valve earlier, send pressurized air to air intlet pipe 6-5 at injector 6, open the coating material solution inlet valve again, coating solution inlet pipe 6-6 to injector 6 carries coating solution, and this valve opening must strictness be measured control on request.Pressurized air enters at the gas-liquid mixed chamber of injector 6 6-2 with pattern, forms negative pressure coating solution is sucked solution chamber, and under the state of negative pressure, coating solution forms the gas-liquid breast and melts state in the 6-2 of gas-liquid mixed chamber.Injector nozzle 6-4 by diameter 6mm sprays into coating solution in the urea prilling tower 7 with vaporific, vaporific fertilizer coating solution scatters by the ventilation opening of urea prilling tower 7 is bottom-up, extensively contact with the urea granules surface that falls from urea prilling tower 7 tops, the coating solution on urea granules surface is by means of the heat of urea production itself, water evaporates in the coating solution is fallen, and coating is done solid oxidation.
Make coating urea and be used for paddy rice after doing solid oxidation, comprehensively contrast through 3 years test-results of 1987-1989, the paddy rice number of productive ear of applied layer urea increases 8000 fringes than the comprehensive average mu of the paddy rice of executing common urea, many 3.28 of the every fringe of real grain.472.15 kilograms of the comprehensive average yield per mu paddy of the paddy rice of applied layer urea; Execute 448.9 kilograms of the comprehensive average yield per mu paddy of paddy rice of common urea, 23.25 kilograms of mu volume increase paddy, stimulation ratio 5.18%; It is high by 0.34% that rice matter also is that the ratio of applied layer urea is executed the paddy rice such as the protein content of common urea, and amylose starch is high by 0.89%.
Embodiment 2: the coated fertilizer that is used for sugarcane
Coated material prescription (by weight):
Epoxy glue: 1 part
Solubilizing agent ammonium sulfate: 10 parts
Maleic acid: 0.5 part
Phosphoric acid: 1 part
Copper sulfate: 0.5 part
Boric acid: 2 parts
Manganous sulfate: 2 parts
Ferrous sulfate: 8 parts
Water: 50 parts
Sal epsom: 7 parts
Cats product: 1 part.
By above-mentioned prescription, add in the reactor, in the reaction down of 30 ℃ of normal pressures, in 70 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is applied to urea granules surface (consumption is 0.7%) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for sugarcane, making the comprehensive contrast of test-results in 3 years three through 1987-1989 shows, on the basis of mu basic seedling amount unanimity, the sugarcane of applied layer urea than the sugarcane mu number of productive tiller of executing common urea Duo long 6.6 centimeters of 40, stem, stem footpath in middle part is big 0.09 centimeter, the caudal stem footpath is big 0.17 minute; 9737.74 kilograms of the comprehensive average yield per mus of the sugarcane of applied layer urea, than 9051.95 kilograms of the comprehensive average yield per mus of the sugarcane of executing common urea, 685.45 kilograms of mu volume increase, stimulation ratio 7.58%; The sugarcane sugar degree of applied layer urea is higher by 0.357% than the sugarcane sugar degree of executing common urea.
Embodiment 3: the coated fertilizer that is used for peanut
Coated material prescription (by weight):
Animal epoxy glue: 2.5 parts
Solubilizing agent ammonium nitrate: 13 parts
Oxalic acid: 0.5 part
Boric acid: 10 parts
Trace iron element ferrous sulfate: 19 parts
Sal epsom: 3 parts
Zinc sulfate: 3 parts
Vanadium Pentoxide: 0.1 part
Titanium dioxide: 0.2 part
Water: 42 parts
Cats product (905): 0.5 part.By above-mentioned prescription, add in the reactor, in the reaction down of 40 ℃ of normal pressures, the interruption method is produced, and in 60 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7%) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for peanut, totally three make the comprehensive contrast of test-results and show through 1988-1989 one autumn of 2 years two spring, the comprehensive average branch of peanut than executing common urea of applied layer urea is Duoed 0.03, individual plant always presss from both sides really many 1.22, many 0.7 of full fruit number, and half kilogram of pod lacks 18.3, heavy many 1.4 grams of high 0.8%, hundred benevolence of kernel percent; 221.6 kilograms of the comprehensive per mu yields of the peanut of applied layer urea, than 203.7 kilograms of the comprehensive per mu yields of the peanut of executing common urea, 17.9 kilograms of mu volume increase, stimulation ratio 8.79%.Embodiment 4: the coated fertilizer that is used for Chinese cabbage
Coated material prescription (by weight):
Animal skin glue: 1.5 parts
Solubilizing agent urea: 15 parts
Citric acid: 0.5 part
Hydrochloric acid: 15 parts
Ferrous sulfate: 10 parts
Sal epsom: 7 parts
Zinc sulfate: 4 parts
Vanadium Pentoxide: 0.1 part
Titanium dioxide: 0.2 part
Manganous sulfate: 20 parts
Water: 45 parts
Cats product: 0.7 part.
By above-mentioned prescription, add in the reactor, in normal temperature and pressure reaction down, in 80 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7%) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for Chinese cabbage, show obvious effect of increasing production in the comprehensive contrast of Handan, Hebei province test-results, from constituting the yield factors result: 52.6 centimetres of the plant heights of applied layer urea; Execute common urea 50.8 centimetres; 3.43 kilograms of individual plant heavy dressing coating urea, 2.74 kilograms of executing common urea, 2.88 kilograms of single ball heavy dressing coating urea, 2.16 kilograms of executing common urea; 81% of clean vegetables rate applied layer urea is executed 76.5% of common urea, 9808 kilograms in the Chinese cabbage of average yield per mu applied layer urea, and 8350 kilograms in the Chinese cabbage of executing common urea is on average increased production 1458 kilograms, stimulation ratio 17%.Embodiment 5: the coated fertilizer that is used for wheat
Coated material prescription (by weight):
Animal skin glue: 1.5 parts
Solubilizing agent ammonium sulfate: 13 parts
Acetic acid: 1 part
Boric acid: 20 parts
Ferrous sulfate: 15 parts
Sal epsom: 7 parts
Zinc sulfate: 4 parts
Manganous sulfate: 2 parts
Copper sulfate: 1 part
Molybdate: 0.2 part
Water: 50 parts
Cats product: 0.5 part.
By above-mentioned prescription, add in the reactor, in the reaction down of 50 ℃ of normal pressures, in 80 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7%) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for wheat, the coating urea and the comprehensive contrast of common urea fertilizer efficiency contrast (totally 33 wheats of selecting are used 20-30 kilogram/mu) test-results of using equivalent from the 1991-1993 wheat show: obvious effect of increasing production, the ratio of applied layer urea is used 38.7 kilograms/mu of the volume increase wheats of executing common urea of equivalent, stimulation ratio is 10.1%, and the variation between year border is little, shows that the fertilizer efficiency of coating urea is more stable.The performance of its volume increase is that effectively the branch evil increases, grain number per spike and thousand seed weight all has increase, and aspect quality, the content of protein and Methionin also has increase.This remove with coating in contain various trace elements and reduce outside the Pass nitrogen loss etc. has, also discharging the fertile rule of the suction that has adapted to wheat with the available nutrient of coating urea has important relationship.Embodiment 6: the coated fertilizer that is used for summer corn
Coated material prescription (by weight):
Animal skin glue: 10 parts
Solubilizing agent ammonium nitrate: 15 parts
Lauric acid: 6 parts
Boric acid: 4 parts
Molybdate: 0.2 part
Manganous sulfate: 24 parts
Zinc sulfate: 28 parts
Copper sulfate: 2.4 parts
Ferrous sulfate: 14 parts
Urea: 10 parts
Cats product (905): 3 parts.
By above-mentioned prescription, add in the reactor, in the reaction down of 60 ℃ of normal pressures, in 30 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7%) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for summer corn, contrast is tested a little statistics and comprehensively contrasted and show according to 30 coating ureas of 1991-1993 and common urea fertilizer efficiency: the footpath of increased corn of using coating urea is thick, increase the photosynthetic capacity of functional leaf, promote robust plant and the effect that can continue plant senesecence, so to the fringe portion proterties of summer corn is that grain number per spike and thousand seed weight have great effect, evidence in 3 years is used the summer corn grain number per spike of coating urea and thousand seed weight all than the height of executing common urea.Increased by 33.5 and 13.3 grams in 1991 respectively, increased by 27.6 and 9.6 grams respectively, increased by 25.8 and 11.1 respectively and restrain in 1993 in 1992.Use the coating urea ratio and execute 42.2 kilograms of the average mu volume increase of common urea corns, average stimulation ratio 9.7%.Embodiment 7: the coated fertilizer that is used for cotton
Coated material prescription (by weight):
Animal skin glue: 2.5 parts
Solubilizing agent urea: 20 parts
Organic acid citric acid: 1 part
Boric acid: 20 parts
Zinc sulfate: 22 parts
Ferrous sulfate: 10 parts
Water: 50 parts
Cats product (905): 0.5 part.
By above-mentioned prescription, add in the reactor, in normal temperature and pressure reaction down, in 70 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7%) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for cotton, totally 32 points from 1991-1993 cotton complete test district, use 74.5 kilograms of the cotton per mu yield gined cottons of coating urea, use 65.8 kilograms of the cotton per mu yield gined cottons of common urea, the ratio of applied layer urea is used Zao two days of the cotton early flowering season of executing common urea of equivalent, early two-three days term of opening bolls, therefore spend many before the frost, stiff lobe rate is few, add up according to multiple spot: spend manyly 14.3% before the frost, ginning outturn is many 0.5%, and suede is long many 1.3 millimeters.Cotton fiber physical index measurement result is used the coating urea ratio and is executed common urea, many 60 meters of fiber fineness, improve 1.1%, many 0.5 millimeter of photoelectricity instrument principal length improves 1.5%, powerful many 0.1 grams, improve 2.5%, many 0.8 kms of length of fracture improve 3.6%, mature coefficient many 0.04, improve 2.6%, improved cotton quality.Embodiment 8: coating composite fertilizer sugarcane is used
Coated material prescription (by weight):
Epoxy glue: 2 parts
Solubilizing agent ammonium sulfate: 20 parts
Sal epsom: 3 parts
Zinc sulfate: 5 parts
Ferrous sulfate: 20 parts
Formic acid: 0.5 part
Phosphoric acid: 15 parts
Molybdate: 1.5 parts
Water: 45 parts
Cats product (1831): 0.5 part.
By above-mentioned prescription, add in the reactor, in the reaction down of 70 ℃ of normal temperature and pressures, in 50 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.The 1.5% Manufactured coated material that adds the compound manure gross weight, with the compound manure back oven dry that stirs, the coating compound manure.
Now select N: P: K=11 for use: the coating compound manure of 6: 8 compound manure and same proportioning is applied to sugarcane, 190 kilograms of every mu of consumptions, divide base manure, tillering stage dressing, growth applies for fertile three times, in early March, 1991 is sowed, on February 25th, 1992 gathered in the crops, according to the test in place observation survey, coating compound manure fertilizer efficiency is long, can adapt to the fertile demand of each confession breeding time of sugarcane, economical character is good, the ratio of using the coating compound manure is used long 15.3 centimetres of the sugarcane stem of common compound manure, the sugarcane stem increases thick 0.11 centimetre, single stem heavily increases 0.016 kilogram, many 286 of mu number of productive tiller, applied layer compound manure per mu yield sugarcane is 4870 kilograms as a result, execute 4464 kilograms of common compound manure per mu yield sugarcanes, 406 kilograms of mu volume increase sugarcanes, stimulation ratio 9.1%.Embodiment 9: the coated fertilizer that is used for beet
Coated material prescription (by weight):
Animal skin glue: 2 parts
Solubilizing agent urea: 19 parts
Citric acid: 0.5 part
Boric acid: 0.75 part
Ferrous sulfate: 1.5 parts
Copper sulfate: 0.5 part
Zinc sulfate: 3 parts
Manganous sulfate: 1.5 parts
Molybdate: 0.2 part
Water: 56 parts
Quaternary cationics: 0.2 part.
By above-mentioned prescription, add in the reactor, in the reaction down of 20 ℃ of normal pressures, in 80 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 1% weight) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for beet, irritate cultivated dirt test through the Xinjiang arid biogeographic zone, what coating urea was handled shows with the comprehensive contrast of common urea contrast test of fertilizer efficiency result: the beet tails length of coating urea processing is handled than common urea and is increased by 9.3%; Collar is slightly handled than common urea increases by 2.8%; Single heavy the processing than common urea increases by 5.6%; 326.4 kilograms of the increases that the logical urea of coating urea treating piece root rate ratio is handled, volume increase 9.5%.Embodiment 10: the coated fertilizer that is used for spring wheat
Coated material prescription (by weight):
Animal skin glue: 2 parts
Solubilizing agent ammonium sulfate: 19 parts
Citric acid: 0.5 part
Boric acid: 0.75 part
Ferrous sulfate: 13.5 parts
Copper sulfate: 0.5 part
Zinc sulfate: 4 parts
Manganous sulfate: 2 parts
Molybdate: 0.2 part
Water: 56 parts
Quaternary cationics: 0.2 part.
By above-mentioned prescription, add in the reactor, in the reaction down of 30 ℃ of normal temperature and pressures, in 70 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7% weight) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for spring wheat, irritate cultivated dirt test through the Xinjiang arid biogeographic zone, what coating urea was handled shows with the comprehensive contrast of common urea contrast test of fertilizer efficiency result: spring wheat branch evil, the percentage of earbearing tiller, boot leaf area, plant height, day growth weight, fringe grain weight, thousand seed weight etc. are all had remarkably influenced.Compare with the equivalent common urea, coating urea is handled volume increase 13.31%.Embodiment 12: the coated fertilizer that is used for sugarcane
Coated material prescription (by weight):
Animal skin glue: 3 parts
Solubilizing agent ammonium nitrate, urea: 38 parts
Citric acid: 1.5 parts
Boric acid: 1 part
Ferrous sulfate: 13 parts
Sal epsom: 4 parts
Zinc sulfate: 3 parts
Manganous sulfate: 1 part
Molybdate: 0.2 part
Water: 48 parts
Ammonium acetate: 2 parts.
By above-mentioned prescription, add in the reactor, in the reaction down of 40 ℃ of normal pressures, in 80 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.4% weight) by embodiment 1 method and promptly uses (wet executing), show with coating urea (through doing solid oxidation) the comprehensive contrast of comparative test result: 10.36 tons of dry application coating urea per mu yields with amount, 10.19 tons of wet applied layer urea per mu yields see that from this test dried wet film difference on effect is not remarkable.Embodiment 13: the coated fertilizer (joint is fertile) that is used for sugarcane
Coated material prescription (by weight):
Epoxy glue: 1 part
Solubilizing agent urea: 15 parts
Xanthohumic acid: 0.5 part
Boric acid: 10 parts
Ferrous sulfate: 10 parts
Sal epsom: 3 parts
Zinc sulfate: 2 parts
Manganous sulfate: 2 parts
Molybdate: 0.2 part
Water: 51 parts
Ammonium citrate: 1 part.
By above-mentioned prescription, add in the reactor, in the reaction down of 50 ℃ of normal pressures, in 60 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7% weight) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for the fertile test of sugarcane joint, it is common urea rate of fertilizer application 100%, and coating urea only executes 85%, identical in other conditions, test-results: execute 8.96 tons of the per mu yields of 100% common urea; Execute 9.19 tons of the per mu yields of 85% coating urea; Promptly reduce the coating urea output effect of rate of fertilizer application 15% and execute the suitable of 100% common urea.
Embodiment 14: the trophism of coated material
Coated material prescription (by weight):
Animal skin glue: 1 part
Solubilizing agent urea: 16 parts
Citric acid: 0.4 part
Boric acid: 0.6 part
Ferrous sulfate: 12.6 parts
Vitriolate of tartar: 3 parts
Zinc sulfate: 3 parts
Water: 41 parts
Cats product: 0.3 part.
Ammonium citrate: 0.2 part
By above-mentioned prescription, add in the reactor, in normal temperature and pressure reaction down, in 60 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is soluble in water by a certain percentage, general dilution 400-800 doubly, as foliage-spray or water in root, farm crop are had remarkable trophism, be used to spray leaf vegetables or fruit vegetables as: eggplant, tomato, cucumber, watermelon, celery, leek, Plantula Brassicae chinensis, Chinese cabbage etc. the volume increase 10-20%; Spray in fruit tree as: apple, pears, peach, jujube, mango, lichee, banana, pineapple, etc. volume increase is arranged, increase sugar, improve commodity property, reduce shedding and obvious resistance is arranged.
Embodiment 15 is used for the coated fertilizer of high grain
Coated material prescription (by weight):
Animal skin glue: 2 parts
Solubilizing agent urea: 17 parts
Citric acid: 2.5 parts
Boric acid: 3 parts
Manganous sulfate: 2 parts
Zinc sulfate: 4 parts
Copper sulfate: 0.5 part
Ferrous sulfate: 12 parts
Water: 52 parts
Quaternary cationics: 0.5 part.
By above-mentioned prescription, add in the reactor, in the reaction down of 80 ℃ of normal pressures, in 30 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7% weight) by embodiment 1 method, makes coating urea and be used for high grain after doing solid oxidation, and the high grain output that coating urea is handled is handled than common urea increases by 12.1%.
Embodiment 16 is used for the coated fertilizer of oily certain herbaceous plants with big flowers
Coated material prescription (by weight):
Animal skin glue: 2.5 parts
Solubilizing agent urea: 18 parts
Lauric acid: 0.5 part
Boric acid: 1 part
Manganous sulfate: 4 parts
Zinc sulfate: 5 parts
Copper sulfate: 1 part
Sal epsom: 10 parts
Water: 53 parts
Quaternary cationics (1613): 0.5 part.
By above-mentioned prescription, add in the reactor, in normal temperature and pressure reaction down, in 60 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7% weight) by embodiment 1 method, makes coating urea and be used for oily certain herbaceous plants with big flowers after doing solid oxidation, 6 kilograms of every mu of volume increase of the oily certain herbaceous plants with big flowers that coating urea is handled certain herbaceous plants with big flowers, 4.2 kilograms of Trisun Oil R 80s.
Embodiment 17 is used for the coated fertilizer of millet
Coated material prescription (by weight):
Animal skin glue: 1.5 parts
Solubilizing agent ammonium sulfate: 14 parts
Citric acid: 1.5 parts
Boric acid: 2 parts
Manganous sulfate: 4 parts
Zinc sulfate: 4 parts
Copper sulfate: 2 parts
Ferrous sulfate: 10 parts
Water: 46 parts
Quaternary cationics (1831): 1 part.
By above-mentioned prescription, add in the reactor, in the reaction down of 30 ℃ of normal pressures, the interruption method is produced, and in 70 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.8% weight) by embodiment 1 method, makes coating urea and be used for millet after doing solid oxidation, and the millet output that coating urea is handled is handled than common urea increases by 11.2.Embodiment 18 is used for the coated fertilizer of soybean sugarcane
Coated material prescription (by weight):
Epoxy glue: 5 parts
Solubilizing agent urea: 18 parts
Citric acid: 4 parts
Boric acid: 3 parts
Manganous sulfate: 2 parts
Zinc sulfate: 4 parts
Sodium orthomolybdate: 0.2 part
Ammonium molybdate: 0.3 part
Ferrous sulfate: 12 parts
Water: 52 parts
Quaternary cationics (905): 3 parts.
By above-mentioned prescription, add in the reactor, in the reaction down of 40 ℃ of normal pressures, in 80 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.6% weight) by embodiment 1 method, makes coating urea and be used for soybean after doing solid oxidation, and the soybean yields that coating urea is handled is handled than common urea increases by 12.8%.Embodiment: 19 nitrophosphate fertilizers are with preventing the caking coating
Coated material prescription (by weight):
Animal skin glue: 2.5 parts
Solubilizing agent ammonium nitrate: 14 parts
Citric acid: 2 parts
Boric acid: 1.5 parts
Manganous sulfate: 5 parts
Zinc sulfate: 6 parts
Copper sulfate: 2 parts
Ferrous sulfate: 3 parts
Sal epsom: 2 parts
Water: 52 parts
Quaternary cationics (1831): 3 parts.
By above-mentioned prescription, add in the reactor, in normal temperature and pressure reaction down, in 60 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7% weight) by embodiment 1 method, makes coating nitrophosphate fertilizer after doing solid oxidation, highly is that 15 bags are deposited half a year through stacked package, does not lump the original granular texture of most of maintenance substantially.
Embodiment: 20 nitrogen: phosphorus: potassium=15: 15: 15 composite fertilizers are with preventing the caking coating
Coated material prescription (by weight):
Animal skin glue: 2.5 parts
Solubilizing agent ammonium nitrate: 20 parts
Lauric acid: 2 parts
Phosphoric acid: 1.5 parts
Manganous sulfate: 4 parts
Zinc sulfate: 6 parts
Copper sulfate: 1 part
Ferrous sulfate: 10 parts
Water: 45 parts
Quaternary cationics (1831): 2.5 parts.By above-mentioned prescription, add in the reactor, in the reaction down of 60 ℃ of normal pressures, in 60 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at the compound fertilizer granules surface by embodiment 1 method, through doing solid after deposit half a year, does not have caking substantially.Embodiment: 21 humic acids azophoska compounds are fertile in anti-caking coating
Coated material prescription (by weight):
Animal skin glue: 2.5 parts
Solubilizing agent ammonium nitrate: 15 parts
Citric acid: 2 parts
Manganous sulfate: 2 parts
Zinc sulfate: 3 parts
Copper sulfate: 0.5 part
Sal epsom: 10 parts
Water: 50 parts
Quaternary cationics (905): 3 parts.
By above-mentioned prescription, add in the reactor, in normal temperature and pressure reaction down, in 60 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at humic acid nitrogen phosphorus potassium compound fertilizer granule surface by embodiment 1 method, through doing solid after deposit half a year, does not lump.Embodiment 22 is used for the coated fertilizer of capsicum
Coated material prescription (by weight):
Animal skin glue: 2 parts
Solubilizing agent urea: 15 parts
Citric acid: 3 parts
Manganous sulfate: 3 parts
Zinc sulfate: 5 parts
Copper sulfate: 2 parts
Vitriolate of tartar: 4 parts
Ferrous sulfate: 9 parts
Water: 47 parts
Quaternary cationics (905): 1.5 parts.By above-mentioned prescription, add in the reactor, in the reaction down of 70 ℃ of normal pressures, in 65 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.7% weight) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for capsicum, the capsicum that coating urea is handled can yield positive results in advance, and a capsicum pork is thick, and output is handled than common urea increases by 18.4%.Embodiment 23 is used for the coated fertilizer of apple
Coated material prescription (by weight):
Animal epoxy glue: 1.5 parts
Solubilizing agent urea: 18 parts
Citric acid: 0.5 part
Manganous sulfate: 4 parts
Zinc sulfate: 6 parts
Copper sulfate: 1 part
Ferrous sulfate: 15 parts
Water: 45 parts
Quaternary cationics (905): 0.3 part.
By above-mentioned prescription, add in the reactor, in normal temperature and pressure reaction down, in 70 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.8% weight) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for apple, the height that the ripe look of apple that coating urea is handled is good, vitamins C and sugar part are handled than common urea, volume increase 5-8%.Embodiment 24 is used for the coated fertilizer of peach
Coated material prescription (by weight):
Animal skin glue: 1.5 parts
Solubilizing agent urea: 18 parts
Citric acid: 0.5 part
Boric acid: 0.2
Manganous sulfate: 5 parts
Zinc sulfate: 7 parts
Copper sulfate: 1 part
Sal epsom: 4 parts
Water: 53 parts
Quaternary cationics (905): 0.3 part.
By above-mentioned prescription, through the part pre-treatment, add in the reactor, in normal temperature and pressure reaction down, in 65 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.8% weight) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for peach, the peach that coating urea is handled blooms normally, fruit bearing rate is higher, the ripe difficult drop-off of peach, lovely luster, the sugariness height, output is handled than common urea increases by 8.4%.Embodiment 25 is used for the coated fertilizer of pear
Coated material prescription (by weight):
Animal skin glue: 1.5 parts
Solubilizing agent urea: 18 parts
Boric acid: 0.5 part
Citric acid: 0.5 part
Manganous sulfate: 4 parts
Zinc sulfate: 6 parts
Copper sulfate: 1 part
Ferrous sulfate: 15 parts
Water: 45 parts
Quaternary cationics (905): 0.3 part.
By above-mentioned prescription, add in the reactor, in normal temperature and pressure reaction down, in 70 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption is 0.8% weight) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for pear, fruit colour is good after the pear maturation that coating urea is handled, one-level fruit ratio height, sugariness is moderate, and output is handled than common urea increases 5-7%.Embodiment 26 is used for the coated fertilizer coated material prescription (by weight) of ramie:
Animal skin glue: 1 part
Urea: 15 parts
Citric acid: 0.2 part
Boric acid: 0.5 part
Manganous sulfate: 2 parts
Zinc sulfate: 2 parts
Sal epsom: 1 part
Ferrous sulfate: 12 parts
Water: 52 parts
Ammonium citrate: 0.5 part
By above-mentioned prescription, add in the reactor, in normal temperature and pressure reaction down, in about 60 minutes of reaction times, reaction finishes, and is coated material after isolating mechanical impurity again.
The coated material of making is applied to urea granules surface (consumption 0.8% weight) by embodiment 1 method, after doing solid oxidation, make coating urea and be used for ramie, in Luoding, Guangdong Province test in a county level usefulness, test-results shows that the ramie of using coating urea continues growth in the whole growth phase, growing way is better, stupid fiber crops are few, and fresh hide is thick, and osteoderm separates easily, its output constituent ratio common urea is good, and stimulation ratio is at 7.6-15.3%.Embodiment 27 is used for melon coated fertilizers such as green cucumber, balsam pear, sponge gourd, pumpkin
Coated material prescription (by weight):
Gelatin: 1.5 parts
Solubilizing agent urea: 18 parts
Organic acid citric acid: 2 parts
Mineral acid boric acid: 2 parts
Ferrous sulfate: 12 parts
Zinc sulfate: 4 parts
Manganous sulfate: 2 parts
Copper sulfate: 1 part
Water: 57 parts
Tensio-active agent: 0.3 part
By above-mentioned prescription, add in the reactor and under normal temperature and pressure, react, the reaction times is 55 minutes, is coated material after isolating mechanical impurity again after reaction finishes.
The coated material of making is sprayed at urea granules surface (consumption 0.6%) by embodiment 1 method, makes coating urea after doing solid oxidation, it is strong to be used for class growths such as green cucumber, balsam pear, sponge gourd, pumpkin, and melon is real sturdy solid, and volume increase all reaches 10-20%.
Embodiment 28 is used for the coated fertilizer of leaf vegetables
Coated material prescription (by weight):
Gelatin: 1.5 parts
Solubilizing agent urea: 18 parts
Organic acid citric acid: 3 parts
Mineral acid boric acid: 2 parts
Ferrous sulfate: 10 parts
Sal epsom: 3 parts
Zinc sulfate: 4 parts
Manganous sulfate: 2 parts
Water: 50 parts
Tensio-active agent: 0.5 part
By above-mentioned prescription, add in the reactor and under 30 ℃ of normal pressures, react, 60 minutes reaction times, isolate mechanical impurity again after reaction finishes after, be coated material.
The coated material of making is sprayed at urea granules surface (consumption 0.7%) by embodiment 1 method, after doing admittedly, make coating urea and be used for leaf vegetables (example: Plantula Brassicae chinensis, Chinese cabbage, celery, romaine lettuce, logical heart dish, spinach, cabbage, salted vegetable etc.), it is strong to grow, blade is generous, robust fibre is few, and volume increase reaches 10-20%.Embodiment 29 is used for the coated fertilizer of lichee, Gui Yuan, mango
Coating formula (by weight):
Gelatin: 2 parts
Solubilizing agent urea: 19 parts
Organic acid citric acid: 3 parts
Mineral acid boric acid: 2 parts
11 parts in ferrous sulfate;
Sal epsom: 4 parts;
Copper sulfate: 1 part;
Zinc sulfate: 3 parts;
Manganous sulfate: 2 parts
Water: 55 parts
Tensio-active agent: 0.5 part
By above-mentioned prescription, add reactor and under normal temperature and pressure, react, the reaction times is 60 minutes, after reaction finishes, is coated material after isolating mechanical impurity.
The coated material of making is sprayed at urea granules surface (consumption 1.0%) by embodiment 1 method, becoming coating urea after doing solid oxidation is used for lichee, Gui Yuan, mango, fruit tree is bloomed normally, the fruit bearing rate height, the fruit colour good aroma profile is dense, sugar part content height is used common urea volume increase 4-8%.
Embodiment 30 is used for the coated fertilizer of Kidney bean
Coated material prescription (by weight):
Gelatin: 2 parts
Solubilizing agent urea: 19 parts
Organic acid citric acid: 2 parts
Mineral acid boric acid: 2 parts
Trace element: 13 parts in ferrous sulfate; 4 parts in zinc sulfate; 2 parts of manganous sulfates
Water: 56 parts
Tensio-active agent: 0.5 part (905)
By above-mentioned prescription, add reactor in the reaction down of 50 ℃ of normal pressures, in 60 minutes reaction times, after reaction finishes, be coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption 0.8%) by embodiment 1 method, makes coating urea and be used for Kidney bean class (example: pea-pods, fossilia dentis mastodi beans, fresh kidney beans, the young beans of cutter etc.) after doing admittedly.Use the many volume increase of common urea knot folder 10-15%.Embodiment 31 is used for the coated fertilizer of mandarin orange orange
Coated material prescription (by weight):
Gelatin: 2 parts
Solubilizing agent urea: 19 parts
Organic acid citric acid: 2 parts
Mineral acid boric acid: 1 part
Trace element: 13 parts in ferrous sulfate; 5 parts in sal epsom; 3 parts of manganous sulfates
Water: 50 parts
Tensio-active agent: 0.5 part
By above-mentioned prescription, add in the reactor, under normal temperature and pressure, react, in 60 minutes reaction times, be coated material after isolating mechanical impurity again after reaction finishes.
The coated material of making is sprayed at urea granules surface (consumption 0.5%) by embodiment 1 method, makes coating urea and be used for mandarin orange, orange after doing admittedly, and fruit tree is bloomed normally, and physiological fruit drop is few, and the orange pool of mandarin orange, ripe back is golden yellow, and skin and flesh is more easily separated.Pulp contains sugar part, the plain C in dimension back and edible portion and all is higher than and uses common urea.Volume increase 5-8%.
Embodiment 32 is used for the coated fertilizer of tealeaves
Coated material prescription (by weight):
Animal skin glue: 1.5 parts
Solubilizing agent ammonium sulfate: 12 parts
Organic acid acetate: 2 parts
Mineral acid boric acid: 1 part
The trace element vitriol wherein: 5 parts on zinc, 1 part in manganese, 5 parts in magnesium
Water: 52 parts
Tensio-active agent 905:3 part
By above-mentioned prescription, add in the reactor, in the reaction down of 30 ℃ of normal pressures, in 55 minutes reaction times, reaction finishes and is coated material after isolating mechanical impurity again.
The coated material of making is sprayed at urea granules surface (consumption 1.0%) by embodiment 1 method, be used for tealeaves through after solid oxidation, making coating urea, the tealeaves of using coating urea is dark brownish green tenderer, glossy degree is higher, growing way is luxuriant, fully demonstrates the persistent characteristics of fertilizer efficiency, and it is higher to make tea quality, fragrance is pure and fresh, average of the whole year volume increase 8.02%.
The preparation of embodiment 33 coated materials
Produce 1 ton of preparation methods that is used for the urea prilling tower spraying: in the reactor that band stirs, add 500 kilograms of hot water, start agitator, add 10 kilograms of gelatin, stirred 30 minutes, add 152 kilograms in solubilizing agent urea, stirred 10 minutes, add 4 kilograms of boric acid then successively, 6 kilograms of citric acids, stir and add 20 kilograms of manganous sulfates after 5 minutes, 24 kilograms in zinc sulfate, 24 kilograms in sal epsom, 4 kilograms in copper sulfate, continuing to be stirred to the inorganic salt that added dissolves fully, add 30 kilograms of 905 cats products again, add 136 kilograms in ferrous sulfate after stirring, continue to be stirred to dissolving fully, add 0.2 kilogram of molybdate at last, stirred 5 minutes, and can take out and be coated material after separating some mechanical impuritys of sneaking into.
Embodiment 34 spraying coating process
Urea system is in the ordinary production state; Check that whole paint finishing equipment, valve, every processing condition meet the standard state that goes into operation.Coating solution is put into sloptank, to certain liquid level, start solution pump, coating solution is delivered to header tank, treat that the header tank liquid level rises at 1/2 o'clock, open the header tank outlet valve, before coating solution flow to the variable valve of the nozzle that is contained in prilling tower leg space ventilation door along pipeline, open the pressurized air that inserts nozzle then, and keep house steward's compressed air pressure to be stabilized in 0.4MPa, check each jet nozzle, jet normal after, drive the solution variable valve of each nozzle slightly, according to 6.27 kilograms of coating of urea production control coating input amount urea per ton, observe out the color of prilling tower coating urea then, the spraying homogeneity, situations such as moisture content are with the angle between each nozzle, the elevation angle, the coating input amount, condition variation such as compressed air pressure are come the control coating urea quality, get final product to such an extent that meet the coating urea of this patent requirement.
Claims (13)
1. coated fertilizer, this fertilizer is made up of granulated fertilizer and the coating that is coated on the granulated fertilizer outside, it is characterized in that described coating is composed as follows: by weight):
Gelatin: 0.1-50 part
Solubilizing agent: 1-180 part
Organic acid: 0.05-30 part
Mineral acid: 0.1-15 part
Plant nutrient compound: 0.1-200 part
Tensio-active agent: 0.1-15 part wherein organic acid is one or more mixtures in toxilic acid, oxalic acid, lauric acid, formic acid, acetic acid, xanthohumic acid, citric acid, the hexanodioic acid;
Mineral acid is one or more mixtures in phosphoric acid, hydrochloric acid, sulfuric acid, nitric acid, the boric acid;
Gelatin is one or more mixtures in animal skin glue, gelatine, the epoxy glue;
Solubilizing agent is one or more mixtures in urea, ammonium sulfate, ammonium nitrate, sal epsom, the ammonium citrate;
The plant nutrient compound is one or more mixtures in the vitriol of iron, zinc, manganese, molybdenum, copper, magnesium, titanium, potassium element.
2. coated fertilizer according to claim 1 is characterized in that described coating (by weight) composed as follows:
Gelatin: 0.5-25 part
Solubilizing agent: 5-150 part
Organic acid: 0.1-20 part
Mineral acid: 0.5-10 part
Plant nutrient compound: 5-150 part
Tensio-active agent: 1-10 part.
3. coated fertilizer according to claim 1 is characterized in that described coating (by weight) composed as follows:
Gelatin: 1-10 part
Solubilizing agent: 10-100 part
Organic acid: 1-10 part
Mineral acid: 1-5 part
Plant nutrient compound: 10-120 part
Tensio-active agent: 2-7 part.
4. according to the described coated fertilizer of claim 1-3, it is characterized in that tensio-active agent is a quaternary cationics.
5. coated fertilizer according to claim 1 is characterized in that described granulated fertilizer is one or more mixture or composite fertilizer or the humic acid fertilizer in nitrogenous fertilizer, phosphate fertilizer, the potash fertilizer chemical fertilizer.
6. coated fertilizer according to claim 5 is characterized in that described nitrogenous fertilizer is one or more the mixture in urea, ammonium nitrate, ammonium chloride, ammonium sulfate, the nitrocalcite.
7. coated fertilizer according to claim 5 is characterized in that described phosphate fertilizer is one or more the mixture in double superhosphate, double superphosphate, ammonium phosphate, nitre phosphorus ammonium, urine phosphorus ammonium, ammonium polyphosphate, nitrophosphate fertilizer, fused(calcium magnesium)phosphate, defluorinated phosphate, thomas phosphate, normal superphosphate, Lin Suanergai, calcium metaphosphate, ammonium metaphosphate, the ground phosphate rock fertilizer.
8. coated fertilizer according to claim 5 is characterized in that described potash fertilizer is one or more the mixture in Repone K, vitriolate of tartar, saltpetre, potassium dihydrogen sulfate, potassium-ammonium phosphate, potassic-magnesian fertilizer, the grey potash fertilizer.
9. coated fertilizer according to claim 5 is characterized in that described humic acid fertilizer is one or more the mixture in Sodium salts humic acids, potassium humate, ammonium humate, yellow humic acid, the nitro humic acid.
10. the preparation method of a coated fertilizer is characterized in that following raw material:
Gelatin: 0.1-50 part
Solubilizing agent: 1-180 part
Organic acid: 0.05-30 part
Mineral acid: 0.1-15 part
Plant nutrient compound: 0.1-200 part
Tensio-active agent: 0.1-15 part
Water: 5-450 part wherein organic acid is one or more mixtures in toxilic acid, oxalic acid, lauric acid, formic acid, acetic acid, xanthohumic acid, citric acid, the hexanodioic acid;
Mineral acid is one or more mixtures in phosphorus propylhomoserin, hydrochloric acid, sulfuric acid, nitric acid, the boric acid;
Gelatin is one or more mixtures in animal skin glue, gelatine, the epoxy glue;
Solubilizing agent is one or more mixtures in urea, ammonium sulfate, ammonium nitrate, sal epsom, the ammonium citrate;
The plant nutrient compound is one or more mixtures in the vitriol of iron, zinc, manganese, molybdenum, copper, magnesium, titanium, potassium element; Under normal pressure, in 20-80 ℃, react and obtained coating solution in 20-80 minute; Adopting air conveying injector then, is medium with pressurized air, and described coating solution is sucked injector, after the air mixed atomizing, spray into the fertiliser granulates surface, coating is done solid oxidation and is formed coating particles fertilizer, and the pressure that adopts air conveying air is 0.3-0.5MPa; The coating solution consumption of fertilizer per ton is the 6-10 kilogram.
11, the preparation method of coated fertilizer according to claim 10 is characterized in that described raw material is
Gelatin: 0.5-25 part
Solubilizing agent: 5-150 part
Organic acid: 0.1-20 part
Mineral acid: 0.5-10 part
Plant nutrient compound: 5-150 part
Tensio-active agent: 1-10 part
Water: 30-400 part.
12, the preparation method of coated fertilizer according to claim 10 is characterized in that described raw material is
Gelatin: 1-10 part
Solubilizing agent: 10-100 part
Organic acid: 1-10 part
Mineral acid: 1-5 part
Plant nutrient compound: 10-120 part
Tensio-active agent: 2-7 part
Water: 100-300 part.
13. a coating equipment for preparing described coated fertilizer, it is characterized in that it by reactor (1), strainer (2), storage tank (3), pump (4), header tank (5), apply injector (6), prilling tower (7) is formed; Described coating injector (6) is made up of parts (6-1), (6-2), (6-3), (6-4), (6-5), (6-6), and parts (6-1) are air injection tube; Parts (6-2) melt pipe for the coated material breast, its front end is a flange, the centre is isometrical pipe, one garden post cavity is arranged between isometrical pipe and the flange, and coupled expansion tube, the other end also are expansion tube, near a coated material inlet pipe (6-6) being housed the flange place, (6-3) be isometrical spray tube, the one end is connected with (6-2), and the other end is threaded with nozzle (6-4); Nozzle (6-4) mouth hole is 6-8mm; (6-5) be the air intlet pipe, be connected with (6-2) by flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96105688A CN1040097C (en) | 1996-06-06 | 1996-06-06 | Coated fertilizer and its coating method and equipment for manufacturing said coated fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96105688A CN1040097C (en) | 1996-06-06 | 1996-06-06 | Coated fertilizer and its coating method and equipment for manufacturing said coated fertilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1150941A CN1150941A (en) | 1997-06-04 |
| CN1040097C true CN1040097C (en) | 1998-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96105688A Expired - Fee Related CN1040097C (en) | 1996-06-06 | 1996-06-06 | Coated fertilizer and its coating method and equipment for manufacturing said coated fertilizer |
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| CN (1) | CN1040097C (en) |
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| CN104945098A (en) * | 2015-06-05 | 2015-09-30 | 明光市数智肥业有限公司 | Slow-release fertilizer synergist for ensuring later period nutrition feeding of corns and preparation method of slow-release fertilizer synergist |
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| WO2022246509A1 (en) * | 2021-05-25 | 2022-12-01 | Minbos Resources Limited | A method for applying phosphate in agriculture |
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| CN1030745A (en) * | 1987-07-21 | 1989-02-01 | 邹恩林 | Ammonium bicarbonate fertilizer with integument and manufacturing process thereof |
| CN1085883A (en) * | 1992-08-13 | 1994-04-27 | 窒素株式会社 | Cated granulated fertilizer |
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| CN104945098A (en) * | 2015-06-05 | 2015-09-30 | 明光市数智肥业有限公司 | Slow-release fertilizer synergist for ensuring later period nutrition feeding of corns and preparation method of slow-release fertilizer synergist |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1150941A (en) | 1997-06-04 |
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