CN105347902A - Special slow-release and controlled-release crop nanometer fertilizer and preparation process thereof - Google Patents
Special slow-release and controlled-release crop nanometer fertilizer and preparation process thereof Download PDFInfo
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- CN105347902A CN105347902A CN201410408251.3A CN201410408251A CN105347902A CN 105347902 A CN105347902 A CN 105347902A CN 201410408251 A CN201410408251 A CN 201410408251A CN 105347902 A CN105347902 A CN 105347902A
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Abstract
The present invention relates to a special slow-release and controlled-release crop nanometer fertilizer and a preparation process thereof. According to the present invention, the micro-emulsification and high shear technology and the particle guide speed change technology in chemical physics are used to product the special blended cemented coated slow-release crop nanometer fertilizer, such that the release speed of the fertilizer nutrients substantially meets the requirement of crops on the fertilizer at the growth stage; the particle forming is that a layer of the nanometer outer coating is wrapped on the outer surface of the fertilizer, and after using the obtained fertilizer, the fertilizer efficiency at the early stage is rapid, the fertilizer efficiency at the middle stage is stable, and the fertilizer efficiency at the late stage is long; different fertilizers capable of releasing nutrients according to the set releasing rate and the set releasing time can be developed according to the requirements of crops at different growth periods; the main raw materials of the nanometer fertilizer comprise ammonium chloride, urea, ammonium dihydrogen phosphate, potassium chloride, potassium sulfate, a filler, a conditioner and a coating agent; and the obtained fertilizer belongs to the environment-friendly fertilizer, and has characteristics of no toxicity and harm on crops, substantial reduction of pollution of the fertilizer on soil and groundwater, reduction of the nitrate content in vegetables by 80-90%, and improvement of the sugar content and the vitamin content in vegetables and fruits.
Description
Technical field
The invention belongs to field of agricultural fertilizer, be specifically related to a kind of slowly-releasing, the slow crop special-purpose nanometer fertilizer of control.
Background technology
Chemical fertilizer forward high concentration, Composite, slow/controlled releaseization develop, but China's chemical fertilizers production is still based on lower concentration, single nutritive element.Current China nitrogenous fertilizer is main mainly with amidonitrogen and ammonium nitrogen and small part nitric nitrogen, and wherein amidonitrogen and ammonium nitrogen account for 80% of total form of nitrogen in agricultural fertilizer, and their this season utilization ratio is only 35-40%, 15-20% lower than developed country.Phosphorus potash fertilizer is so as the same, this season fertilising utilization ratio is only 60-70%, residue fertilizer can not be fully utilized absorption, one season crop want to repeat in twice fertilising or lower season fertilising, cause the wasting of resources and soil property deterioration, although good agronomic measures has certain effect to the utilization improving azophoska, but finally also can't resolve root problem.In addition, the average utilization only 30-50% of general fertilizers, other nutrient is volatile or by soil fixing, not only can not give full play to the effect of increasing production of chemical fertilizer, but also seedling or crop of burning may be damaged, and nano fertilizer can improve utilization rate of nitrogen fertilizer 30-35%, amount of increase in production can reach more than 7-40%, thus significantly reduces Residual Fertilizer to the pollution at air, water source.Have now and use physics, chemistry and biological means, allow the fertilizer of fertilizer nutrient slow releasing, be referred to as sustained-release and controlled release fertilizer.But domestic market present situation Liang green bristlegrass regardless of, dragons and fishes jumbled together.At present both at home and abroad the envelope type slow release release and release control fertilizer of development, crop can only be made to absorb nutrient preferably, but valency banyan is expensive, and therefore new departure of people's constantly postgraduate's organic fertilizer, seeks the product innovation of raising crop yield and quality.
Summary of the invention
The object of this invention is to provide a kind of slowly-releasing, the slow crop special-purpose nanometer fertilizer of control and preparation technology thereof, it adopts chemicophysical microemulsified and high-shear technology, " leading a speed change " technology, produce " blending adhesive coating type delays controlled release crop special utility nano fertilizer ", make the release rate of fertilizer nutrient substantially meet the needs of Crop growing stage to fertilizer.
It is characterized in that: its granulating is outside fertilizer, wrap up one deck nano material;
It is characterized in that: it is a kind of adhesive coating agent micelle adopting nanotechnology to produce;
It is characterized in that: its diameter is all within 120 nanometers, and the small-size effect of nano material, can make fertilizer particle with magnetic effect, thus fertilizer nutrient is more easily absorbed by plants, effective stimulus plant-growth;
The present invention reaches foregoing invention object by the following technical programs:
A kind of slowly-releasing, the slow crop special-purpose nanometer fertilizer of control: it is made by following formula: monoammonium phosphate, Repone K, ammonium chloride, urea, stopping composition, amendment, coating agent; According to the needs of crop without growth cycle, can develop according to setting release rate and time of releasing and the different fertilizer of Releasing nutrient.The content of its each raw material is:
Monoammonium phosphate 10-20%
Repone K 5-10%
Ammonium chloride 20-40%
Stopping composition 1-5%
Urea 20-40%
Amendment 5-10%
Coating agent 2-5%
Compared with prior art advantage of the present invention and positively effect as follows:
A kind of slowly-releasing, the slow crop special-purpose nanometer fertilizer of control, it is a kind of slowly-releasing, the slow crop special-purpose nanometer fertilizer of control, its granulating is outside fertilizer, wrap up one deck nanometer coat, use that fertilizer efficiency in rear early stage fertilizer efficiency in fast, mid-term is steady, later stage fertilizer efficiency is long, according to the needs of crop without growth cycle, can develop according to setting release rate and time of releasing and the different fertilizer of Releasing nutrient.
The cementing after birth agent micelle diameter of a kind of slowly-releasing, the slow crop special-purpose nanometer fertilizer of control is all within 150 nanometers, and the small-size effect of nano material, can make fertilizer particle with magnetic effect, thus fertilizer nutrient is more easily absorbed by plants, effective stimulus plant-growth.By nano material, coating is carried out to common fertilizer, the sustained-controll-release fertiliser more excellent than traditional coating fertilizer performance can be produced, only need at the sowing previous crops base manure applied once that plows, fertilizer nutrient is slow releasing in soil, fertilizer efficiency can reach the several months, the nutrient demand of crop different growing can be met, it belongs to environmental friendly fertilizer, to crop toxicological harmless, the pollution of chemical fertilizer to soil and groundwater can be reduced greatly, and make the nitrate content in vegetables reduce 80-90%, also can improve the sugar of veterinary antibiotics and the content of VITAMIN simultaneously.
The production technique of a kind of slowly-releasing, the slow crop special-purpose nanometer fertilizer of control is as follows:
L, required various raw materials through crusher in crushing;
2, material screening is sent into respective hopper;
3, start granulating system, base fertilizer is required through metering outfit according to ratio of components from respective hopper simultaneously, hopper sent into by handling equipment and lift technique, and returning charge simultaneously also together enters hopper via lift technique and base fertilizer;
4, each base fertilizer and returning charge transport and in lifting process through mixing to a certain degree, by saturation steam, if desired toward a small amount of water of sprinkle on material or fertilizer solution, the rubbing effect produced when rotating by rotary drum grain-making machine forms the material bed rolled.The overstocked power produced of rolling makes the material containing certain liquid phase be agglomerated into small-particle, these small-particles become core, the powder sticking surrounding forms larger particle, rotary drum granulator is generally to discharge end inclination 10-2.50, with pellet follow simplified vergence direction along with simplified rotation slowly to discharge port rolling, enter drying machine drying;
5, through screening, be cooled through nanotechnology and namely obtain nano fertilizer finished product through coating solution (Mierocrystalline cellulose, derivative, paraffin) coating;
6, pour into packing bag or put dry place and store.
Embodiment
Following examples are that the present invention goes out to set forth further.
Embodiment:
Produce slowly-releasing, the slow crop special-purpose nanometer fertilizer of control, specific practice is:
Monoammonium phosphate 150kg, Repone K 5Okg, ammonium chloride 250kg, stopping composition 50kg, amendment 70kg, urea 100kg, coating agent 30kg presses above-mentioned raw materials through crusher in crushing, by monoammonium phosphate, Repone K, ammonium chloride, stopping composition, amendment, respective hopper is sieved in coating agent, start granulating system, make above-mentioned raw materials account for total amount from respective hopper according to each raw material is monoammonium phosphate 15% simultaneously, Repone K 5%, ammonium chloride 25%, stopping composition 5%, amendment 7%, the proportion requirement of urea 10% coating agent 3% is through metering outfit, hopper sent into by handling equipment and lift technique, returning charge simultaneously also together enters hopper via lift technique and above-mentioned raw materials, each base fertilizer and returning charge transport and in lifting process through mixing to a certain degree, pass through saturation steam, the a small amount of water of sprinkle or fertilizer solution on raw material, the rubbing effect produced when rotating by rotary drum grain-making machine forms the material bed rolled.The overstocked power produced of rolling makes the material containing certain liquid phase be agglomerated into small-particle; these small-particles become core; the powder sticking surrounding forms larger particle; rotary drum granulator generally tilts 3 °-5 ° to discharge end; slowly rolling to discharge port along with simplified rotation follows simplified vergence direction with pellet; enter drying machine drying; through screening, be cooled through nanotechnology and namely obtain nano fertilizer finished product through coating solution (Mierocrystalline cellulose, derivative, paraffin) coating, finally pour into packing bag or put dry place and store.
Claims (5)
1. slowly-releasing, the slow crop special-purpose nanometer fertilizer of control and a preparation technology thereof, is characterized in that: it adopts chemicophysical microemulsified and high-shear technology, leads a speed change " technology.
2. a kind of slowly-releasing, the slow crop special-purpose nanometer fertilizer of control according to claim l, is characterized in that: its granulating is outside fertilizer, wrap up one deck nano material.
3. a kind of slowly-releasing according to claim 2, the slow crop special-purpose nanometer fertilizer of control, is characterized in that: it is a kind of adhesive coating agent micelle adopting nanotechnology to produce
A kind of slowly-releasing according to claim 3, the slow crop special-purpose nanometer fertilizer of control, it is characterized in that: its diameter is all within 120 nanometers, and the small-size effect of nano material, can make fertilizer particle with magnetic effect, thus fertilizer nutrient is more easily absorbed by plants, effective stimulus plant-growth.
4. a kind of slowly-releasing according to claim 1,2, the slow crop special-purpose nanometer fertilizer of control, is characterized in that: it is made by following formula: monoammonium phosphate, Repone K, ammonium chloride, urea, stopping composition, amendment, coating agent; According to the needs of crop without growth cycle, can develop according to setting release rate and time of releasing and the different fertilizer of Releasing nutrient.
5. the content of its each raw material is:
Monoammonium phosphate 10-20%
Repone K 5-10%
Ammonium chloride 20-40%
Stopping composition 1-5%
Urea 20-40%
Amendment 5-10%
Coating agent 2-5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410408251.3A CN105347902A (en) | 2014-08-19 | 2014-08-19 | Special slow-release and controlled-release crop nanometer fertilizer and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410408251.3A CN105347902A (en) | 2014-08-19 | 2014-08-19 | Special slow-release and controlled-release crop nanometer fertilizer and preparation process thereof |
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| Publication Number | Publication Date |
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| CN105347902A true CN105347902A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410408251.3A Pending CN105347902A (en) | 2014-08-19 | 2014-08-19 | Special slow-release and controlled-release crop nanometer fertilizer and preparation process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106565314A (en) * | 2016-11-01 | 2017-04-19 | 马鞍山科邦生态肥有限公司 | Efficient magnetic controlled release fertilizer capable of increasing fruiting rate and yield of cotton and preparing method of efficient magnetic slow controlled release fertilizer |
-
2014
- 2014-08-19 CN CN201410408251.3A patent/CN105347902A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106565314A (en) * | 2016-11-01 | 2017-04-19 | 马鞍山科邦生态肥有限公司 | Efficient magnetic controlled release fertilizer capable of increasing fruiting rate and yield of cotton and preparing method of efficient magnetic slow controlled release fertilizer |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160224 |
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| WD01 | Invention patent application deemed withdrawn after publication |