CN102910978A - Large-particle slow/controlled-release fertilizer with multi-layer coating structure and coating equipment of fertilizer - Google Patents
Large-particle slow/controlled-release fertilizer with multi-layer coating structure and coating equipment of fertilizer Download PDFInfo
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- CN102910978A CN102910978A CN2012104741136A CN201210474113A CN102910978A CN 102910978 A CN102910978 A CN 102910978A CN 2012104741136 A CN2012104741136 A CN 2012104741136A CN 201210474113 A CN201210474113 A CN 201210474113A CN 102910978 A CN102910978 A CN 102910978A
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 106
- 238000000576 coating method Methods 0.000 title claims abstract description 67
- 239000011248 coating agent Substances 0.000 title claims abstract description 47
- 239000002245 particle Substances 0.000 title claims abstract description 42
- 238000013270 controlled release Methods 0.000 title abstract description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000004744 fabric Substances 0.000 claims description 45
- 238000005507 spraying Methods 0.000 claims description 36
- 239000005864 Sulphur Substances 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 19
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 13
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 12
- 239000004202 carbamide Substances 0.000 claims description 12
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 11
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 11
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 11
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 10
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 10
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 208000006558 Dental Calculus Diseases 0.000 claims description 7
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 6
- 239000006012 monoammonium phosphate Substances 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 239000011573 trace mineral Substances 0.000 claims description 5
- 235000013619 trace mineral Nutrition 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 239000000575 pesticide Substances 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims description 3
- 239000004021 humic acid Substances 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 5
- 239000011593 sulfur Substances 0.000 abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 235000015097 nutrients Nutrition 0.000 description 9
- 229910052901 montmorillonite Inorganic materials 0.000 description 5
- 240000008042 Zea mays Species 0.000 description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 3
- 235000005822 corn Nutrition 0.000 description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 239000004200 microcrystalline wax Substances 0.000 description 3
- 235000019808 microcrystalline wax Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 244000241235 Citrullus lanatus Species 0.000 description 1
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 244000273928 Zingiber officinale Species 0.000 description 1
- 235000006886 Zingiber officinale Nutrition 0.000 description 1
- WZLMXYBCAZZIRQ-UHFFFAOYSA-N [N].[P].[K] Chemical compound [N].[P].[K] WZLMXYBCAZZIRQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000144987 brood Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008397 ginger Nutrition 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The invention relates to a large-particle slow/controlled-release fertilizer with a multi-layer coating structure and coating equipment of the fertilizer. According to the invention, a sulfur coating is coated outside the large-particle fertilizer, and a fertilizer coating is coated outside the sulfur coating. The coating equipment consists of a heating incubator, a screen and the like, wherein one end of the screen (5) is high, and the other end of the screen (5) is low; a particle funnel (9) and 2-10 spray boxes (10) are successively arranged above the screen (5) from the high end to the low end; 2-10 recovery tanks (11) are arranged under the screen (5) in turn from the high end to the low end; and the low end of the screen (5) is provided with a conveying belt (12). The obtained fertilizer can realize the different requirements of various growth periods on NPK elements through adjustment of fertilizer formula of each layer of coating, so that the sulfur coating is well ensured not to fall or be damaged; and simultaneously, the fertilizer has the advantages of beautiful appearance, no crack, no adhesion, no caking and the like.
Description
Technical field
The invention belongs to field of fertilizer manufacturing, specifically, relate to a kind of macrobead slow-release or control-release fertilizer and coating equipment in sugar production line thereof of novel multi-layer dressing structure
Background technology
At present, general slow-release fertilizer can not discharge nutrient according to crop regulation of fertilizer requirement characteristic, particularly one season crop only apply fertilizer once a brood of macrobead slow release fertilizer of only executing one once.Such as corn crop, early stage and intermediary and later stages all need a large amount of nutrients, and the ratio of the required n p k nutrition composition of early, middle, late stage is not identical yet, and this just requires slow-release or control-release fertilizer to have the function that different times discharges different nitrogen phosphorus potassium proportionings.
Also have; the present dressing structure easy damaged of slow-release fertilizer and take off fertilizer; in handling process, cause easily the sulphur film to come off and do not reach the purpose of slow controlled release such as the sulphur dressing macrobead slow-release fertilizer among the Chinese patent CN101709018A, and sulphur dressing macrobead slow-release fertilizer wherein causes easily and is subject to fertilizer burst size deficiency that arid causes early stage and takes off fertilizer to what crop was caused.
The prior art shortcoming: general slow-release fertilizer can not solve the crop different times to the demand of Different Nutrients proportioning, and the sulphur dressing easily comes off before use or damage, and does not reach the purpose of slow-release or control-release fertilizer.
Summary of the invention
For solving above technical problem, the object of the present invention is to provide and a kind ofly can not only protect the sulphur dressing, can also effectively solve the crop different times to macrobead slow-release or control-release fertilizer and the coating equipment in sugar production line thereof of the multiple coatings structure of the demand of Different Nutrients proportioning.
The present invention seeks to realize like this:
A kind of macrobead slow-release or control-release fertilizer of multiple coatings structure comprises large-particle fertilizer, and its key is: described large-particle fertilizer exoperidium has the sulphur dressing, and described sulphur dressing exoperidium has fertilizer coating.Adopt said structure, described fertilizer coating is coated on outermost one deck of large-particle fertilizer, can guarantee well that the sulphur dressing of its internal layer is injury-free or does not come off, and can discharge different nutrients different periods crop.
Above-mentioned large-particle fertilizer (1) 150-300 purpose humic acids or the weathered coal that adds parts by weight 0-50 part behind the urea melting of parts by weight 40-90 part, after stirring, the sodium hydroxide of adding parts by weight 0-8 part between 110-130 ℃, kept 10-30 minute, the monoammonium phosphate that adds again 0-30 part, the Repone K or the vitriolate of tartar that add 0-30 part, the ammonium nitrate that adds 0-30 part, adding 0-30 part ammonium sulfate stirs, maintain the temperature between 110-130 ℃, pour into by bottler in 2.5-12 centimetre the spherical mould and open the large-particle fertilizer that mould obtains behind the cooling forming.
Above-mentioned sulphur dressing and fertilizer coating bilayer structure duplicate packages quilt.Adopt said structure, can be according to the regularity of crop to nutrient demand, the dressing number of plies of corresponding selection outside large-particle fertilizer is to satisfy as the demand of different times to Different Nutrients.
Above-mentioned fertilizer coating comprises the component of following parts by weight:
Urea: 40～90 parts;
Monoammonium phosphate: 0～50 part;
Repone K or vitriolate of tartar: 0～50 part.
Above-mentioned fertilizer coating also comprises ammonium nitrate and ammonium sulfate, and the parts by weight of ammonium nitrate are: 0～50 part, the parts by weight of ammonium sulfate are: 0～50 part.
Above-mentioned fertilizer coating (3) also comprises ammonium nitrate, ammonium sulfate, zinc, boron, copper, magnesium, silicon, molybdenum and calcium constituent, chlopyrifos pesticides; The parts by weight of ammonium nitrate are: 0～50 part, the parts by weight of ammonium sulfate are: 0～50 part, the parts by weight of trace element are 0～10 part in zinc, boron, copper, magnesium, silicon, molybdenum and the calcium etc., the 0-3 chlopyrifos pesticides.
The preparation process of above-mentioned fertilizer coating is: will add monoammonium phosphate behind the described urea melting, add described Repone K or vitriolate of tartar again, then add successively described ammonium nitrate, ammonium sulfate and middle trace element, stir at last and make melt liquid fertilizer.
A kind of coating equipment in sugar production line of macrobead slow-release or control-release fertilizer of multiple coatings structure, comprise heater incubator, its key is: be provided with screen cloth in the described heater incubator, the high end of described screen cloth one end is low, described heater incubator bottom is provided with steelframe, and described screen cloth is placed on the described steelframe, and the end that described screen cloth is high is provided with drive unit, described drive unit is connected with described screen cloth by union lever, drives described screen cloth and shakes back and forth; Described screen cloth top is provided with particle funnel and 2～10 spraying boxes successively from a high end to a low end; Described screen cloth below is provided with 2～10 accumulator tanks from a high end successively to a low end; The end that described screen cloth is low is provided with travelling belt, and described travelling belt one end is positioned at heater incubator, and an end is positioned at outside the heater incubator.Adopt said structure, can carry out continuous several times spraying dressing to large-particle fertilizer, form the multiple coatings structure.
Be equipped with cold wind cooled and solidified band between above-mentioned per two adjacent spraying boxes.Adopt said structure, after the spraying melt coating, can carry out cooled and solidified to spraying fertilizer by cold wind cooled and solidified band, conveniently spray next time.
The angle of inclination of above-mentioned screen cloth is 15～40 °; One end and the described screen cloth side of described union lever are hinged, and the outer rim of the rotary disk of its other end and described drive unit is hinged.Adopt said structure, drive unit drives union lever and swings, thereby drives screen cloth vibrations back and forth, and screen cloth has certain angle simultaneously, can impel large-particle fertilizer to roll from top to bottom on screen cloth, evenly comprehensively large-particle fertilizer is sprayed guaranteeing.
Above-mentioned particle funnel below correspondence is provided with an accumulator tank, and each described spraying box below all correspondence is provided with an accumulator tank.Adopt said structure, the corresponding spraying box of described accumulator tank can man-to-manly carry out clout and reclaim, and economizes on resources, and saves cost.
Beneficial effect:
The present invention is macrobead slow-release or control-release fertilizer and the coating equipment in sugar production line thereof of multiple coatings structure, gained fertilizer can be realized each vegetative period of Different Crop to the different demands of n-p-k element by the fertilizer formula of adjusting every layer of coatings the inside, has guaranteed that well the sulphur dressing does not come off or do not damage; Simultaneously, fertilizer also has appearance looks elegant, not breach, adhesion and the advantage such as do not harden.
Description of drawings
Fig. 1 is multiple coatings structural representation among the present invention;
Fig. 2 is the structural representation of coating equipment in sugar production line among the present invention.
Embodiment
The invention will be further described below in conjunction with embodiment and accompanying drawing:
Embodiment 1: being prepared as of the macrobead slow-release or control-release fertilizer of multiple coatings structure of the present invention:
One, the preparation of large-particle fertilizer 1
Taking by weighing 200 kilograms in urea puts into the urea melting apparatus melting and remains between the 110-130 degree, adding 60 kilograms of monoammonium phosphates and 73 kilograms of Repone K stirs, maintain the temperature between the 110-130 degree by bottler and pour in 3.5 centimetres the spherical mould, arrive the fertilizer moulding of the inside until mold cools down after, open mould, obtain spherical large-particle fertilizer.
Two, the preparation of sulphur dressing 2
By weight with 80 parts of sulphur and 5 parts of montmorillonites, 10 parts of microcrystalline waxes, 5 parts of heavy oil respectively melting pack in 3 spraying boxes.5 parts of montmorillonite mixing and stirring of sulphur adding with 80 parts of meltings become melting prescription sulphur to be sprayed on the large-particle fertilizer surface first, spray successively 10 parts of microcrystalline waxes and 5 parts of heavy oil again.Whole spray figure layer thickness is between the 0.5-3 millimeter.
Three, the preparation of fertilizer coating 3
With adding 30 parts of monoammonium phosphates behind 50 parts of urea meltings, add again 20 parts of Repone K by weight, stir at last and make melt liquid fertilizer, and keep its temperature between 110～130 ℃.
Four, coating equipment in sugar production line:
As shown in Figure 2, described coating equipment in sugar production line is comprised of heater incubator 4, is provided with screen cloth 5 in the described heater incubator 4, and the high end of described screen cloth 5 one ends hangs down and is 15 ° angle of inclination; Described heater incubator 4 bottoms are provided with steelframe 6, described screen cloth 5 is placed on the described steelframe 6, described screen cloth 5 high ends are provided with drive unit 7, described drive unit 7 is connected with described screen cloth 5 by union lever 8, one end and described screen cloth 5 sides of described union lever 8 are hinged, and the outer rim of the rotary disk 7a of its other end and described drive unit 7 is hinged, drive described screen cloth 5 and shake back and forth; Described screen cloth 5 tops are provided with particle funnel 9 and 4 spraying boxes 10 successively from a high end to a low end, be equipped with cold wind cooled and solidified band 13 between per two adjacent spraying boxes 10; Described screen cloth 5 belows are provided with 4 accumulator tanks 11 from a high end successively to a low end; Described particle funnel 9 and each equal correspondence in described spraying box 10 belows are provided with accumulator tank 11; Described screen cloth 5 low ends are provided with travelling belt 12, and described travelling belt 12 1 ends are positioned at heater incubator 4, one ends and are positioned at outside the heater incubator 4.
Five, spraying dressing
Described coating equipment in sugar production line first spraying box 10a from left to right is equipped with the melting prescription sulphur of melting sulphur and montmorillonite, second spraying box 10b is equipped with the melt liquid microcrystalline wax, the 3rd spraying box 10c is equipped with heavy oil, and the 4th spraying box 10d is equipped with melt liquid fertilizer; The 5678 according to one two three four the order identical spraying raw material of packing into.
The spherical large-particle fertilizer for preparing is delivered to coating equipment in sugar production line by travelling belt or lift carry out dressing, first, second, the 3rd, the 5th, the 6th, the 7th spraying box 10a carries out the coated of sulphur dressing 2 to large-particle fertilizer 1 respectively, with the 4th, the 8th spraying box 10d large-particle fertilizer 2 is carried out the coated of fertilizer coating 3, then coated good large-particle fertilizer 1 is packed.Accumulator tank 11 recyclings of various dressing clouts below each spraying box 10.
Experiment effect: as shown in Figure 1, large-particle fertilizer 1 alternately is coated with sulphur dressing 2 and fertilizer coating 3 totally four layers of dressing from inside to outside, this fertilizer can reach 90-300 days nutrient segmentation release, is particularly suitable for the cash crop such as corn, cotton, ginger, sugarcane, fruit tree, flowers.
Embodiment 2: being prepared as of the macrobead slow-release or control-release fertilizer of multiple coatings structure of the present invention:
One, the preparation of large-particle fertilizer
Taking by weighing 500 kilograms in urea puts into the urea melting apparatus melting and remains between the 120-130 degree, add 300 kilogram of 200 purpose weathered coal, add 3 kilograms of sodium hydroxide and fully stir rear maintenance 20 minutes, and then add 100 kilograms of monoammonium phosphates and 90 kilograms of vitriolate of tartar, add 5 kilograms of boron fertilizers, adding 2 kilograms of zinc fertilizers stirs, still maintain the temperature between the 110-130 degree by bottler and pour in 5 centimetres the spherical mould, arrive the fertilizer moulding of the inside until mold cools down after, open mould, obtain spherical large-particle fertilizer.
Two, the preparation of sulphur dressing 2
With 95 parts of sulphur and 5 parts of montmorillonites, become melting prescription sulphur to be sprayed on the large-particle fertilizer surface with adding 5 parts of montmorillonite mixing and stirring behind 95 parts of sulfur meltings first by weight, whole spray figure layer thickness is between the 0.5-3 millimeter.
Three, the preparation of fertilizer coating
20 parts of monoammonium phosphates will be added by weight behind 60 parts of urea meltings, add again 20 parts of Repone K, then add successively trace element in described 5 parts of ammonium nitrate, 5 parts of ammonium sulfate and 1 part, stir at last and make melt liquid fertilizer, and keep its temperature between 110～130 ℃.
Four, coating equipment in sugar production line:
As shown in Figure 2, described coating equipment in sugar production line is comprised of heater incubator 4, is provided with screen cloth 5 in the described heater incubator 4, and the high end of described screen cloth 5 one ends hangs down and is 15 ° angle of inclination; Described heater incubator 4 bottoms are provided with steelframe 6, described screen cloth 5 is placed on the described steelframe 6, described screen cloth 5 high ends are provided with drive unit 7, described drive unit 7 is connected with described screen cloth 5 by union lever 8, one end and described screen cloth 5 sides of described union lever 8 are hinged, and the outer rim of the rotary disk 7a of its other end and described drive unit 7 is hinged, drive described screen cloth 5 and shake back and forth; Described screen cloth 5 tops are provided with particle funnel 9 and four spraying boxes 10 successively from a high end to a low end, be equipped with cold wind cooled and solidified band 13 between per two adjacent spraying boxes 10; Described screen cloth 5 belows are provided with four accumulator tanks 11 from a high end successively to a low end; Described particle funnel 9 and each equal correspondence in described spraying box 10 belows are provided with accumulator tank 11; Described screen cloth 5 low ends are provided with travelling belt 12, and described travelling belt 12 1 ends are positioned at heater incubator 4, one ends and are positioned at outside the heater incubator 4.
Five, spraying dressing
Described coating equipment in sugar production line first spraying box 10a from left to right is equipped with melting sulphur, and second spraying box 10b is equipped with melt liquid fertilizer, and the 3rd spraying box 10c is equipped with melting sulphur, and the 4th spraying box 10d is equipped with melt liquid fertilizer.
The spherical large-particle fertilizer for preparing is delivered to coating equipment in sugar production line by travelling belt or lift with large-particle fertilizer carry out dressing, first spraying box 10a and the 3rd spraying box 10c carry out the coated of sulphur dressing to large-particle fertilizer, second spraying box 10b and the 4th spraying box 10d carry out the coated of fertilizer coating to large-particle fertilizer, then coated good large-particle fertilizer are packed.Accumulator tank 11 recyclings of various dressing clouts below each spraying box 10.
Experiment effect: as shown in Figure 1, this fertilizer alternately be coated with from inside to outside sulphur dressing and fertilizer coating totally four layers of dressing also can only have two-layer, the nutrient segmentation that can reach 60～120 days discharges, return simultaneously soil and replenished a large amount of humic acids organic matters, continue improvement soil, be particularly suitable for the farm crop such as corn, potato, watermelon and use.
Claims (10)
1. the macrobead slow-release or control-release fertilizer of a multiple coatings structure; comprise large-particle fertilizer (1); it is characterized in that: described large-particle fertilizer (1) exoperidium has sulphur dressing (2), and described sulphur dressing (2) exoperidium has fertilizer coating (3).
2. the large-particle fertilizer (1) in the macrobead slow-release or control-release fertilizer of described multiple coatings structure according to claim 1; it is characterized in that: described large-particle fertilizer (1) 150-300 purpose humic acids or the weathered coal that adds parts by weight 0-50 part behind the urea melting of parts by weight 40-90 part; after stirring, the sodium hydroxide of adding parts by weight 0-8 part between 110-130 ℃, kept 10-30 minute; the monoammonium phosphate that adds again 0-30 part; the Repone K or the vitriolate of tartar that add 0-30 part; the ammonium nitrate that adds 0-30 part; adding 0-30 part ammonium sulfate stirs; maintain the temperature between 110-130 ℃, pour into by bottler in 2.5-12 centimetre the spherical mould and open the large-particle fertilizer that mould obtains behind the cooling forming.
3. the macrobead slow-release or control-release fertilizer of described multiple coatings structure according to claim 1 is characterized in that: described sulphur dressing (2) and fertilizer coating (3) bilayer structure duplicate packages quilt.
4. according to claim 1 or the macrobead slow-release or control-release fertilizer of 3 described multiple coatings structures, it is characterized in that described fertilizer coating (3) comprises the component of following parts by weight:
Urea: 40～90 parts;
Monoammonium phosphate: 0～50 part;
Repone K or vitriolate of tartar: 0～50 part.
According to claim 1 with the macrobead slow-release or control-release fertilizer of 3 described multiple coatings structures, it is characterized in that: described fertilizer coating (3) also comprises ammonium nitrate, ammonium sulfate, zinc, boron, copper, magnesium, silicon, molybdenum and calcium constituent, chlopyrifos pesticides; The parts by weight of ammonium nitrate are: 0～50 part, the parts by weight of ammonium sulfate are: 0～50 part, the parts by weight of trace element are 0～10 part in zinc, boron, copper, magnesium, silicon, molybdenum and the calcium, chlopyrifos pesticides 0-3 part.
6. the macrobead slow-release or control-release fertilizer of described multiple coatings structure according to claim 5; it is characterized in that: the preparation process of described fertilizer coating (3) is: will add monoammonium phosphate behind the described urea melting; add again described Repone K or vitriolate of tartar; then add successively described ammonium nitrate, ammonium sulfate and middle trace element, stir at last and make melt liquid fertilizer.
7. the coating equipment in sugar production line of described multiple coatings structure macrobead slow-release or control-release fertilizer according to claim 1, comprise heater incubator (4), it is characterized in that: be provided with screen cloth (5) in the described heater incubator (4), the high end of described screen cloth (5) one ends is low, described heater incubator (4) bottom is provided with steelframe (6), described screen cloth (5) is placed on the described steelframe (6), the end that described screen cloth (5) is high is provided with drive unit (7), described drive unit (7) is connected with described screen cloth (5) by union lever (8), drives described screen cloth (5) and shakes back and forth; Described screen cloth (5) top is provided with particle funnel (9) and 2～10 spraying boxes (10) successively from a high end to a low end; Described screen cloth (5) below is provided with 2～10 accumulator tanks (11) from a high end successively to a low end; The end that described screen cloth (5) is low is provided with travelling belt (12), and described travelling belt (12) one ends are positioned at heater incubator (4), and an end is positioned at outside the heater incubator (4).
8. the coating equipment in sugar production line of the macrobead slow-release or control-release fertilizer of described multiple coatings structure according to claim 7 is characterized in that: be equipped with cold wind cooled and solidified band (13) between per two adjacent spraying boxes (10).
9. according to claim 7 or the coating equipment in sugar production line of the macrobead slow-release or control-release fertilizer of 8 described multiple coatings structures, it is characterized in that: the angle of inclination of described screen cloth (5) is 15～40 °; One end of described union lever (8) and described screen cloth (5) side are hinged, and the outer rim of the rotary disk (7a) of its other end and described drive unit (7) is hinged.
10. the coating equipment in sugar production line of the macrobead slow-release or control-release fertilizer of described multiple coatings structure according to claim 9; it is characterized in that: described particle funnel (9) below correspondence is provided with an accumulator tank (11), and each described spraying box (10) below all correspondence is provided with an accumulator tank (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210474113.6A CN102910978B (en) | 2012-11-21 | 2012-11-21 | Large-particle slow/controlled-release fertilizer with multi-layer coating structure and coating equipment of fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210474113.6A CN102910978B (en) | 2012-11-21 | 2012-11-21 | Large-particle slow/controlled-release fertilizer with multi-layer coating structure and coating equipment of fertilizer |
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| Publication Number | Publication Date |
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| CN102910978A true CN102910978A (en) | 2013-02-06 |
| CN102910978B CN102910978B (en) | 2014-07-09 |
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Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN103172453A (en) * | 2013-04-23 | 2013-06-26 | 济南乐喜施肥料有限公司 | Slow-release compound fertilizer and production method thereof |
| CN103172453B (en) * | 2013-04-23 | 2014-09-10 | 济南乐喜施肥料有限公司 | Slow-release compound fertilizer and production method thereof |
| CN103739390A (en) * | 2013-12-30 | 2014-04-23 | 河北省农林科学院农业资源环境研究所 | Coated slow-release compound fertilizer and preparation method thereof |
| CN103739390B (en) * | 2013-12-30 | 2016-03-09 | 河北省农林科学院农业资源环境研究所 | A kind of bag is by slow-release compound fertilizer and preparation method thereof |
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| CN105237312A (en) * | 2015-08-21 | 2016-01-13 | 李志山 | Controlled-release fertilizer for sugarcane and preparation method thereof |
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| CN105237311A (en) * | 2015-08-21 | 2016-01-13 | 李志山 | Controlled-release fertilizer for tea tree and preparation method thereof |
| CN105085098A (en) * | 2015-08-28 | 2015-11-25 | 李志山 | Controlled-release fertilizer for pumpkins and preparation method for controlled-release fertilizer |
| CN105130690A (en) * | 2015-08-28 | 2015-12-09 | 李志山 | Chili-controlled release fertilizer and preparation method thereof |
| CN105237138A (en) * | 2015-08-28 | 2016-01-13 | 李志山 | Release-controlled fertilizer for Chinese yam and preparation method thereof |
| CN105237251A (en) * | 2015-08-28 | 2016-01-13 | 李志山 | Release-control fertilizer for brassica juncea and preparation method thereof |
| CN105237252A (en) * | 2015-08-28 | 2016-01-13 | 李志山 | Tomato release-controllable fertilizer and preparation method thereof |
| CN105198662A (en) * | 2015-09-25 | 2015-12-30 | 广西百润源农业有限公司 | Potato controlled-release fertilizer and preparation method thereof |
| CN105198591A (en) * | 2015-09-25 | 2015-12-30 | 广西百润源农业有限公司 | Leaf mustard controlled-release fertilizer and preparation method thereof |
| CN105272527A (en) * | 2015-09-25 | 2016-01-27 | 广西百润源农业有限公司 | Sweet potato controlled release fertilizer and preparation method thereof |
| CN105272529A (en) * | 2015-09-25 | 2016-01-27 | 广西百润源农业有限公司 | Pumpkin controlled release fertilizer and preparation method thereof |
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| CN105198595A (en) * | 2015-09-29 | 2015-12-30 | 广西百润源农业有限公司 | Potato controlled-release fertilizer and preparation method thereof |
| CN105198604A (en) * | 2015-09-29 | 2015-12-30 | 广西百润源农业有限公司 | Fragrant taro controlled-release fertilizer and preparation method thereof |
| CN105198603A (en) * | 2015-09-29 | 2015-12-30 | 广西百润源农业有限公司 | Pointed-tail Chinese cabbage controlled-release fertilizer and preparation method thereof |
| CN105198598A (en) * | 2015-09-29 | 2015-12-30 | 广西百润源农业有限公司 | Muskmelon controlled-release fertilizer and preparation method thereof |
| CN105198663A (en) * | 2015-09-29 | 2015-12-30 | 广西百润源农业有限公司 | Orange controlled release fertilizer and preparation method thereof |
| CN105601415A (en) * | 2015-12-21 | 2016-05-25 | 罗永城 | Tip-tail cabbage controlled release fertilizer and preparation method thereof |
| CN105815165A (en) * | 2016-03-31 | 2016-08-03 | 太仓市新联粮食生产专业合作社 | Method for planting selenium-enriched rice at high yield |
| CN106035322A (en) * | 2016-05-25 | 2016-10-26 | 广西南宁农事帮农业科技服务有限公司 | Controlled-release pesticide granules and preparation method therefor |
| CN106035322B (en) * | 2016-05-25 | 2019-08-23 | 广西立可丰生物科技有限公司 | A kind of controlled release granular pesticide and preparation method thereof |
| CN106045685A (en) * | 2016-05-31 | 2016-10-26 | 湖北富邦科技股份有限公司 | Methods for preparing novel phosphate fertilizer containing sulfur, zinc, boron and/or magnesium medium trace elements |
| CN108424235A (en) * | 2018-04-19 | 2018-08-21 | 深圳市芭田生态工程股份有限公司 | Coating type organic nitrates ammonium calcium granulated fertilizer and preparation method thereof |
| CN113582782A (en) * | 2021-08-13 | 2021-11-02 | 贵州省烟草科学研究院 | Segmented-absorption fully-degradable coated rod fertilizer for cigarettes and preparation method thereof |
| CN114950263A (en) * | 2022-04-12 | 2022-08-30 | 安徽福香源生态农业科技有限公司 | Film attaching equipment for reconstituted food and preparation process |
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