CN103333000A - Environment-friendly nitrogen phosphorus and potassium compound fertilizer - Google Patents
Environment-friendly nitrogen phosphorus and potassium compound fertilizer Download PDFInfo
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- CN103333000A CN103333000A CN2013102388375A CN201310238837A CN103333000A CN 103333000 A CN103333000 A CN 103333000A CN 2013102388375 A CN2013102388375 A CN 2013102388375A CN 201310238837 A CN201310238837 A CN 201310238837A CN 103333000 A CN103333000 A CN 103333000A
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Abstract
The invention relates to an environment-friendly nitrogen phosphorus and potassium compound fertilizer which is shaped as a capsule, wherein the capsule comprises a capsule core and a coating, the capsule core comprises the following components of ground phosphate rock, ground magnesite, potassium chloride, ground potassium feldspar, borax, ammonium dihydrogen phosphate and urea. The environment-friendly nitrogen phosphorus and potassium compound fertilizer is complete in effective components, is slowly-released, effectively prevents from coagulating, and is high in utilization rate. In addition, the environment-friendly nitrogen phosphorus and potassium compound fertilizer can also be suitable for soil with different geological conditions, such as drought or moisture and growth of different crops; meanwhile, the labor cost can be saved, and the mechanized planting and fertilizing are facilitated.
Description
Technical field
The invention belongs to the technical field of agricultural fertilizer, in particular, the present invention relates to the polyelement composite fertilizer of a kind of cutter environmental friendliness slowly-releasing for kitchen use and anti-caking.
Background technology
Chemical fertilizer provides necessary nutritive ingredient for crop growth, and output and the quality thereof of agricultural-food played crucial effects, occupies than large portion in the agricultural industry investment, is easy to soil and physical environment are had a negative impact.In recent years, the drawback that produces of a large amount of unordered use of chemical fertilizer manifests gradually: for example: the utilization rate of fertilizer that decomposition rate causes soon is low; The pollution that the gas that decompose to produce and liquid cause atmosphere and water body; Cause soil compaction, ecological environment of soil to be destroyed etc.
In the prior art, people adopt technology such as adding nitrogen fertilizer slow releasing agent, slowing down nitrogenous fertilizer release, improve the certain effect of utilization rate of nitrogen fertilizer aspect performance, and most slow release fertilizer is by the single or multiple lift coating, or only by simply adding the rate of release that inhibitor is controlled the chemical fertilizer nutritive ingredient, slow release effect is not ideal enough; Exist nutritive ingredient not comprehensively, fertilizer components regulate unreasonable, and manufacturing process complexity, cost height; Therefore, the nutritive ingredient collocation is scientific and reasonable, is complementary with demand of plant growth; Nutritive ingredient slowly discharges, and adapts with the uptake rate of plant to nutritive ingredient; Slow down fertilizer degraded and rate of nitrification, to reduce the fertilizer leaching loss, improve utilization rate of fertilizer; The chemical fertilizer that be conducive to soil resource protection, is of value to physical environment is that people expect.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, the object of the present invention is to provide a kind of environmental protection nitrogen-phosphorus-potassium compound fertilizer.Environmental protection nitrogen-phosphorus-potassium compound fertilizer of the present invention is conducive to save energy, improves the soil, fertilizer component comprehensively, discharge slowly controlled, utilization rate of fertilizer is high.And environmental protection nitrogen-phosphorus-potassium compound fertilizer of the present invention can be applicable to the soil of matter condition variously, the growth of different crops.
In order to solve the above-mentioned technical problem that exists in the prior art, a first aspect of the present invention relates to a kind of environmental protection nitrogen-phosphorus-potassium compound fertilizer.
Described environmental protection nitrogen-phosphorus-potassium compound fertilizer, its form are capsule shape, and described capsule comprises capsule-core and dressing, and the component of described capsule-core comprises: ground phosphate rock, phosphorus magnesium slag, Repone K, feldspar in powder, borax, primary ammonium phosphate and urea.
Wherein, the component of described dressing comprises: ethyl cellulose, cm-chitosan, diatomite, tween 80 and potassium primary phosphate.
Wherein, described capsule-core is composed of the following components: the Repone K of the phosphorus magnesium slag of the ground phosphate rock of 12-18wt%, 3-5wt%, the phosphogypsum 15-25wt% of 8-15wt%, the feldspar in powder of 20-32wt%, the primary ammonium phosphate of 5-12wt%, the borax of 0.25-0.5wt% and the urea of surplus.
Wherein, described dressing is composed of the following components: the diatomite of the ethyl cellulose of 20-32wt%, the cm-chitosan of 12-32wt%, 8-15wt%, the tween 80 of 15-25wt% and the potassium primary phosphate of surplus.
Wherein, constituting the capsule-core of capsule and the mass ratio of dressing is 12: 1-25: 1.
A second aspect of the present invention also relates to the preparation method of above-mentioned environmental protection nitrogen-phosphorus-potassium compound fertilizer, and it may further comprise the steps:
(1) preparation of capsule-core: take by weighing: the Repone K of the phosphorus magnesium slag of the ground phosphate rock of 12-18wt%, 3-5wt%, the phosphogypsum of 8-15wt%, 15-25wt%, the feldspar in powder of 20-32wt%, the primary ammonium phosphate of 5-12wt%, the borax of 0.25-0.5wt% and the urea of surplus; The water that adds described capsule-core quality 8-10wt% then mixes above-mentioned component forming mixture then with water; Then the charging opening of described mixture at extrusion equipment dropped into, extrude core materials then; Then described core materials is carried out carrying out drying treatment under the force ventilated condition at 25-35 ℃, obtain described capsule-core;
(2) preparation of coating liquid: take by weighing: the diatomite of the ethyl cellulose of 20-32wt%, the cm-chitosan of 12-32wt%, 8-15wt%, the tween 80 of 15-25wt% and the potassium primary phosphate of surplus; The water that adds described coating quality 80-100wt% then, stirring forms the dressing mixed solution;
(3) spray coating: described capsule-core is put into the cylinder of spray coating equipment, utilize pump that described coating liquid is sprayed onto by spray nozzle on the capsule-core of rolling then, the capsule-core of wherein said capsule and the mass ratio of dressing are 12: 1-25: 1;
(4) drying: be 25-35 ℃ in temperature, under the force ventilated condition drying treatment 15-30 minute, lower the temperature naturally then and dry.
Technical scheme of the present invention has following beneficial effect compared to existing technology:
1. environmental protection of the present invention composite fertilizer effective fertilizer composition is comprehensive, slowly discharges, the utilization rate of fertilizer height; Go for soil, the different crops growth of different geologic conditions such as arid or humidity.
2. phosphogypsum and the borax that uses in the environmental protection of the present invention composite fertilizer enters soil together for the water conservation of increasing soil fertility, improve soil, fertilizer-preserving ability, and the structure of improving the soil is kept and to recover the natural soils ecotope respond well; And the effect that can play fixed nitrogen and improve fertilizer efficiency; Can prevent and treat soil-borne diseases such as withered disease and maculopathy in addition; Be conducive to the sustainable development of agriculture production.
3. composite fertilizer of the present invention has adopted special capsule structure, wherein said dressing component is by meticulous design, include ethyl cellulose, cm-chitosan, diatomite, tween 80 and potassium primary phosphate totally 5 kinds of components, wherein said diatomite and tween 80 provide the cohesive force of described dressing, and can prevent caking and be conducive to prevent and treat the soil infection disease, and composite fertilizer of the present invention under 50% the condition, stores 1 year caking rate with interior described composite fertilizer and is no more than 3.5%.
4. ethyl cellulose, the cm-chitosan in the described coating material of composite fertilizer of the present invention all has certain dissolubility to water, described composite fertilizer is sowed in soil, ethyl cellulose and cm-chitosan in the described dressing structure will be dissolved gradually, thereby can be so that the fertility in the capsule-core obtains discharging gradually; And by adjusting the proportionlity of ethyl cellulose, cm-chitosan and potassium primary phosphate in the described coating material, can control and adjust release rate and the deenergized period of described fertility for different crops; Single-dose application can provide all fertility of whole growth phase in the time of can be to sowings such as peanut, beans, vegetables.Not only improve fertilizer utilization ratio, significantly reduced the usage quantity (can reduce 15-30% usually) of fertilizer, and can save cost of labor, also be conducive to mechanize sowing and fertilising simultaneously.
Embodiment
Environmental protection nitrogen-phosphorus-potassium compound fertilizer of the present invention, described capsule-core comprise Repone K, the feldspar in powder of 20-32wt%, the primary ammonium phosphate of 5-12wt%, the borax of 0.25-0.5wt% and the urea of surplus of phosphogypsum 15-25wt% of phosphorus magnesium slag, the 8-15wt% of ground phosphate rock, the 3-5wt% of 12-18wt%; Described dressing comprises the ethyl cellulose of 20-32wt%, the cm-chitosan of 12-32wt%, the diatomite of 8-15wt%, the tween 80 of 15-25wt% and the potassium primary phosphate of surplus; And the mass ratio of described capsule-core and dressing is 12: 1-25: 1.
Above-mentioned nitrogen-phosphorus-potassium compound fertilizer can be extruded the spheronizator preparation by utilization, and for example the spheronizator of extruding of the multiple model of Xinyi, Shenzhen stunt art company limited production can be for the preparation of the composite fertilizer with capsule structure of the present invention; Described method mainly may further comprise the steps:
(1) preparation of capsule-core: take by weighing: the Repone K of the phosphorus magnesium slag of the ground phosphate rock of 12-18wt%, 3-5wt%, the phosphogypsum of 8-15wt%, 15-25wt%, the feldspar in powder of 20-32wt%, the primary ammonium phosphate of 5-12wt%, the borax of 0.25-0.5wt% and the urea of surplus; The water that adds described capsule-core quality 8-10wt% then mixes above-mentioned component forming mixture then with water; Then the charging opening of described mixture at extrusion equipment dropped into, extrude core materials then; Then described core materials is carried out carrying out drying treatment under the force ventilated condition at 25-35 ℃, obtain described capsule-core;
(2) preparation of coating liquid: take by weighing: the diatomite of the ethyl cellulose of 20-32wt%, the cm-chitosan of 12-32wt%, 8-15wt%, the tween 80 of 15-25wt% and the potassium primary phosphate of surplus; The water that adds described coating quality 80-100wt% then, stirring forms the dressing mixed solution;
(3) spray coating: described capsule-core is put into the cylinder of spray coating equipment, utilize pump that described coating liquid is sprayed onto by spray nozzle on the capsule-core of rolling then, the capsule-core of wherein said capsule and the mass ratio of dressing are 12: 1-25: 1;
(4) drying: be 25-35 ℃ in temperature, under the force ventilated condition drying treatment 15-30 minute, lower the temperature naturally then and dry.
Embodiment 1
The environmental protection nitrogen-phosphorus-potassium compound fertilizer of present embodiment, described capsule-core comprise 12% ground phosphate rock, the phosphorus magnesium slag of 5wt%, the phosphogypsum of 12wt%, the Repone K of 18wt%, the feldspar in powder of 20wt%, the primary ammonium phosphate of 8wt%, the borax of 0.5wt% and the urea of surplus; Described dressing comprises the ethyl cellulose of 32wt%, the cm-chitosan of 12wt%, the diatomite of 15wt%, the tween 80 of 25wt% and the potassium primary phosphate of surplus; And the mass ratio of described capsule-core and dressing is 12: 1.Composite fertilizer of the present invention is suitable for southern sandy soil matter soil, shows by experiment, and described composite fertilizer is approximately 4-5 month the fertilizer efficiency cycle, and wherein maximum fertilizer efficiency deenergized period is 3-4 month.
Embodiment 2
Environmental protection nitrogen-phosphorus-potassium compound fertilizer, described capsule-core comprise the ground phosphate rock of 18wt%, the phosphorus magnesium slag of 3wt%, the phosphogypsum of 8wt%, the Repone K of 25wt%, the feldspar in powder of 20wt%, the primary ammonium phosphate of 12wt%, the borax of 0.5wt% and the urea of surplus; Described dressing comprises the ethyl cellulose of 20wt%, the cm-chitosan of 32wt%, the diatomite of 8wt%, the tween 80 of 15wt% and the potassium primary phosphate of surplus; And the mass ratio of described capsule-core and dressing is 25: 1.Composite fertilizer of the present invention is suitable for the dryland soil in the North China Plain, shows by experiment, and described composite fertilizer is approximately 4-6 month the fertilizer efficiency cycle, and wherein maximum fertilizer efficiency deenergized period is 3-5 month.
Composite fertilizer of the present invention has adopted special capsule structure, wherein said dressing component is by meticulous design, include ethyl cellulose, cm-chitosan, diatomite, tween 80 and potassium primary phosphate totally 5 kinds of components, wherein said diatomite and tween 80 provide the cohesive force of described dressing, and can prevent caking and be conducive to prevent and treat the soil infection disease, and composite fertilizer of the present invention under 50% the condition, stores 1 year caking rate with interior described composite fertilizer and is no more than 3.5%.And the phosphogypsum that uses in the described composite fertilizer and borax enter soil together for the water conservation of increasing soil fertility, improve soil, fertilizer-preserving ability, and the structure of improving the soil is kept and to recover the natural soils ecotope respond well; And the effect that can play fixed nitrogen and improve fertilizer efficiency; Can prevent and treat soil-borne diseases such as withered disease and maculopathy in addition; Be conducive to the sustainable development of agriculture production.Ethyl cellulose in the described coating material, cm-chitosan all have certain dissolubility to water, described composite fertilizer is sowed in soil, ethyl cellulose and cm-chitosan in the described dressing structure will be dissolved gradually, thereby can be so that the fertility in the capsule-core obtains discharging gradually; And by adjusting the proportionlity of ethyl cellulose, cm-chitosan and potassium primary phosphate in the described coating material, can control and adjust release rate and the deenergized period of described fertility for different crops; Single-dose application can provide all fertility of whole growth phase in the time of can be to sowings such as peanut, beans, vegetables.Not only improve fertilizer utilization ratio, significantly reduced the usage quantity (can reduce 15-30% usually) of fertilizer, and can save cost of labor, also be conducive to mechanize sowing and fertilising simultaneously.
For the ordinary skill in the art, be to be understood that and do not breaking away from the scope disclosed by the invention, can adopt to be equal to and replace or equivalent transformation form enforcement above-described embodiment.Protection scope of the present invention is not limited to the specific embodiment of embodiment part, and the embodiment of short of disengaging invention essence all is interpreted as having dropped within the protection domain of requirement of the present invention.
Claims (7)
1. environmental protection nitrogen-phosphorus-potassium compound fertilizer, it is characterized in that described composite fertilizer form is capsule shape, described capsule comprises capsule-core and dressing, and the component of described capsule-core comprises: ground phosphate rock, phosphorus magnesium slag, Repone K, feldspar in powder, borax, primary ammonium phosphate and urea.
2. environmental protection nitrogen-phosphorus-potassium compound fertilizer according to claim 1 is characterized in that the component of described dressing comprises: ethyl cellulose, cm-chitosan, diatomite, tween 80 and potassium primary phosphate.
3. environmental protection nitrogen-phosphorus-potassium compound fertilizer according to claim 1 and 2 is characterized in that described capsule-core is composed of the following components: the Repone K of the phosphorus magnesium slag of the ground phosphate rock of 12-18wt%, 3-5wt%, the phosphogypsum 15-25wt% of 8-15wt%, the feldspar in powder of 20-32wt%, the primary ammonium phosphate of 5-12wt%, the borax of 0.25-0.5wt% and the urea of surplus.
4. according to each described environmental protection nitrogen-phosphorus-potassium compound fertilizer of claim 1-3, it is characterized in that described dressing is composed of the following components: the diatomite of the ethyl cellulose of 20-32wt%, the cm-chitosan of 12-32wt%, 8-15wt%, the tween 80 of 15-25wt% and the potassium primary phosphate of surplus.
5. according to each described environmental protection nitrogen-phosphorus-potassium compound fertilizer of claim 1-4, the mass ratio that it is characterized in that described capsule-core and dressing is 12: 1-25: 1.
6. environmental protection nitrogen-phosphorus-potassium compound fertilizer according to claim 1 is characterized in that described capsule-core is composed of the following components: the Repone K of the phosphorus magnesium slag of the ground phosphate rock of 12-18wt%, 3-5wt%, the phosphogypsum 15-25wt% of 8-15wt%, the feldspar in powder of 20-32wt%, the primary ammonium phosphate of 5-12wt%, the borax of 0.25-0.5wt% and the urea of surplus; Described dressing is composed of the following components: the diatomite of the ethyl cellulose of 20-32wt%, the cm-chitosan of 12-32wt%, 8-15wt%, the tween 80 of 15-25wt% and the potassium primary phosphate of surplus; And the mass ratio of described capsule-core and dressing is 12: 1-25: 1.
7. the preparation method of an environmental protection nitrogen-phosphorus-potassium compound fertilizer is characterized in that may further comprise the steps:
(1) preparation of capsule-core: take by weighing: the Repone K of the phosphorus magnesium slag of the ground phosphate rock of 12-18wt%, 3-5wt%, the phosphogypsum of 8-15wt%, 15-25wt%, the feldspar in powder of 20-32wt%, the primary ammonium phosphate of 5-12wt%, the borax of 0.25-0.5wt% and the urea of surplus; The water that adds described capsule-core quality 8-10wt% then mixes above-mentioned component forming mixture then with water; Then the charging opening of described mixture at extrusion equipment dropped into, extrude core materials then; Then described core materials is carried out carrying out drying treatment under the force ventilated condition at 25-35 ℃, obtain described capsule-core;
(2) preparation of coating liquid: take by weighing: the diatomite of the ethyl cellulose of 20-32wt%, the cm-chitosan of 12-32wt%, 8-15wt%, the tween 80 of 15-25wt% and the potassium primary phosphate of surplus; The water that adds described coating quality 80-100wt% then, stirring forms the dressing mixed solution;
(3) spray coating: described capsule-core is put into the cylinder of spray coating equipment, utilize pump that described coating liquid is sprayed onto by spray nozzle on the capsule-core of rolling then, the capsule-core of wherein said capsule and the mass ratio of dressing are 12: 1-25: 1;
(4) drying: be 25-35 ℃ in temperature, under the force ventilated condition drying treatment 15-30 minute, lower the temperature naturally then and dry.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003809A (en) * | 2014-06-13 | 2014-08-27 | 赤峰杰翔复合肥有限公司 | Effect improved compound fertilizer |
| CN104030791A (en) * | 2014-05-13 | 2014-09-10 | 马鞍山市心洲葡萄专业合作社 | Soil-hardening-resisting growth-promoting sustained-release composite fertilizer |
| CN105753595A (en) * | 2016-05-17 | 2016-07-13 | 安徽永冠农业科技有限公司 | Nitrogen phosphorus and potassium composite fertilizer capable of improving soil aeration and preparation method of nitrogen phosphorus and potassium composite fertilizer |
| CN105753591A (en) * | 2016-05-17 | 2016-07-13 | 安徽永冠农业科技有限公司 | NPK compound fertilizer for preventing soil hardening and preparation method of NPK compound fertilizer |
| CN105753590A (en) * | 2016-05-17 | 2016-07-13 | 安徽永冠农业科技有限公司 | High-nutrient nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
| CN105967882A (en) * | 2016-05-17 | 2016-09-28 | 安徽永冠农业科技有限公司 | Nitrogen-phosphorus-potassium compound fertilizer capable of improving stress resistance and preparation method of nitrogen-phosphate-potassium compound fertilizer |
| CN106008075A (en) * | 2016-05-17 | 2016-10-12 | 安徽永冠农业科技有限公司 | Nitrogen, phosphorus and potassium compound fertilizer containing humic acid and preparation method of compound fertilizer |
| CN106007928A (en) * | 2016-05-17 | 2016-10-12 | 安徽永冠农业科技有限公司 | Root-fixing nitrogen, phosphorus and potassium compound fertilizer and preparation method thereof |
| CN106007930A (en) * | 2016-05-17 | 2016-10-12 | 安徽永冠农业科技有限公司 | Nitrogen, phosphorus and potassium compound fertilizer capable of preventing gibberellic disease and preparation method of nitrogen, phosphorus and potassium compound fertilizer |
| RU2663973C1 (en) * | 2017-06-26 | 2018-08-14 | Александр Александрович Кролевец | Method of obtaining nanocapules of ammonium nitrite phosphate fertilizer |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104030791A (en) * | 2014-05-13 | 2014-09-10 | 马鞍山市心洲葡萄专业合作社 | Soil-hardening-resisting growth-promoting sustained-release composite fertilizer |
| CN104030791B (en) * | 2014-05-13 | 2016-03-02 | 马鞍山市心洲葡萄专业合作社 | A kind of anti-compaction growth promotion slow-release compound fertilizer |
| CN104003809A (en) * | 2014-06-13 | 2014-08-27 | 赤峰杰翔复合肥有限公司 | Effect improved compound fertilizer |
| CN105753595A (en) * | 2016-05-17 | 2016-07-13 | 安徽永冠农业科技有限公司 | Nitrogen phosphorus and potassium composite fertilizer capable of improving soil aeration and preparation method of nitrogen phosphorus and potassium composite fertilizer |
| CN105753591A (en) * | 2016-05-17 | 2016-07-13 | 安徽永冠农业科技有限公司 | NPK compound fertilizer for preventing soil hardening and preparation method of NPK compound fertilizer |
| CN105753590A (en) * | 2016-05-17 | 2016-07-13 | 安徽永冠农业科技有限公司 | High-nutrient nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
| CN105967882A (en) * | 2016-05-17 | 2016-09-28 | 安徽永冠农业科技有限公司 | Nitrogen-phosphorus-potassium compound fertilizer capable of improving stress resistance and preparation method of nitrogen-phosphate-potassium compound fertilizer |
| CN106008075A (en) * | 2016-05-17 | 2016-10-12 | 安徽永冠农业科技有限公司 | Nitrogen, phosphorus and potassium compound fertilizer containing humic acid and preparation method of compound fertilizer |
| CN106007928A (en) * | 2016-05-17 | 2016-10-12 | 安徽永冠农业科技有限公司 | Root-fixing nitrogen, phosphorus and potassium compound fertilizer and preparation method thereof |
| CN106007930A (en) * | 2016-05-17 | 2016-10-12 | 安徽永冠农业科技有限公司 | Nitrogen, phosphorus and potassium compound fertilizer capable of preventing gibberellic disease and preparation method of nitrogen, phosphorus and potassium compound fertilizer |
| RU2663973C1 (en) * | 2017-06-26 | 2018-08-14 | Александр Александрович Кролевец | Method of obtaining nanocapules of ammonium nitrite phosphate fertilizer |
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Effective date of registration: 20170510 Address after: 476800, Henan province civil rights county dragon pond town Yang Village Patentee after: Yang Fujian Address before: Shangqiu City, Henan province 476700 County Chengguan town of Ningyang Hui Road No. 28 of No. 6 Patentee before: Zhang Yabin |