CN101638345A - High-efficiency nitrogen-phosphorus-potassium fertilizer containing silicon and calcium and preparation method thereof - Google Patents
High-efficiency nitrogen-phosphorus-potassium fertilizer containing silicon and calcium and preparation method thereof Download PDFInfo
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- CN101638345A CN101638345A CN200910187221A CN200910187221A CN101638345A CN 101638345 A CN101638345 A CN 101638345A CN 200910187221 A CN200910187221 A CN 200910187221A CN 200910187221 A CN200910187221 A CN 200910187221A CN 101638345 A CN101638345 A CN 101638345A
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Abstract
The invention discloses a high-efficiency nitrogen-phosphorus-potassium fertilizer containing silicon and calcium and a preparation method thereof. The method comprises the following steps: respectively weighing, mixing and stirring polyvinyl alcohol, cornstarch, dicyandiamide powder, copper sulphate powder, zinc sulphate powder and water in percentage by weight at a reaction temperature of 80-90DEG C at a rotating speed of 100 rounds/minutes for 40-60 minutes to prepare a bonder for spare; respectively weighing, drying and crushing pyrobituminous shale residue, calcium carbonate, urea, diammonium phosphate and potassium sulphate in percentage by weight into powder of 100-120 meshes; uniformly mixing; adding the powder to a pelletizer; and spraying the bonder which is prepared in the step(1) and occupies 20-30 percent of raw materials to granulate so as to obtain the high-efficiency nitrogen-phosphorus-potassium fertilizer. The invention has the advantages of simple process, easily obtained raw materials, comprehensive nutrients, and the like, supplements the nitrogen-phosphorus-potassium fertilizer for soil, trace elements and nutrients such as silicon and calcium, reduces the occupation of residue soil and protects the biological environment.
Description
One, technical field
The invention belongs to technical field of fertilizer, be specifically related to a kind of silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer and preparation method thereof that contains.
Two, background technology
Studies show that China big area is ploughed and lacked silicon, calcium constituent, it is that soil lacks and crop is badly in need of additional the 4th, the fifth-largest element continue nitrogen, phosphorus, potassium after that silicon, calcium constituent are confirmed as by international soil educational circles.After using nitrogen, phosphorus, potash fertilizer in a large number, make the crop healthy growth, the plain nutrition of silicon, calcium that depending merely on natural circulation provides is unappeasable far away, therefore silicon, the plain nutrition of calcium have just become the limiting factor of plant-growth, and science is replenished silicon, the calcium fertilizer has become the focus of attention that modern agriculture is produced.The characteristics of modern agriculture are balance fertilizings, after using nitrogen, phosphorus, potash fertilizer in a large number, use silicon, calcium fertilizer and other trace elements scientifically and rationally, not only can improve crop yield and quality, also can improve the ecological environment simultaneously.But also not having a kind of at present can be the additional nitrogen of soil, phosphorus, potash fertilizer, can replenish the compound manure of silicon, the plain nutrition of calcium and trace element again, has hindered the development of green agriculture science with fertilizer.
Oil shale (oil shale) is a kind of organic sedimentogeneous rock that contains, and it is 2,400,000,000 tons that China has verified resource.Along with resources such as world oil, Sweet natural gas are in short supply day by day, the oil shale development and use enlarge day by day, and a large amount of lime-ash of its industrial discharge are piled into the mountain, take a large amount of soils, have a strong impact on ecotope.The oil shale lime-ash contains SiO
2, organic and plant is essential a large amount of and in, trace element, be the fertile additive of ideal compound, add the compound fertilizer that this material is made, the getting fat water conservation is arranged, promote the soil organisms vigor, characteristics such as improve the soil, but do not utilized well for a long time, caused the waste of resource.
Three, summary of the invention
The purpose of this invention is to provide and a kind ofly can be that soil replenishes nitrogen, phosphorus, potash fertilizer, that can replenish silicon, the plain nutrition of calcium and trace element again contains the silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer, and not only nutrient is comprehensive for it, and slow-releasing is better.
Another object of the present invention provides a kind of silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer and preparation method thereof that contains, this method is to be main raw material with the oil shale lime-ash, not only can solve oil shale lime-ash land occupation effectively, the problem of influence ecological environment, but also avoided the waste of resource.
For achieving the above object, the technical scheme taked of the present invention is:
One, the present invention---a kind of silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer that contains is made by following preparation method.
Two, the present invention---a kind of preparation method who contains the silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer comprises the steps:
1, preparation binding agent: according to 5-10: 5-10: 0.1: 0.01: 0.01: the mass ratio of 79.88-89.88 is weighing polyvinyl alcohol (PVA), W-Gum, Dyhard RU 100 powder, copper sulphate powder, zinc sulphate powder and water respectively, above-mentioned raw materials is mixed, and under 80-90 ℃ temperature of reaction, stirred 40-60 minute with 100 rev/mins rotating speeds, it is stand-by to make binding agent;
2, preparation nitrogen, phosphorus, potash fertilizer: according to 50.4: 5: 6.8: 21.8: 16 mass ratio took by weighing oil shale lime-ash, lime carbonate, urea, Secondary ammonium phosphate and vitriolate of tartar respectively; above-mentioned raw materials is carried out drying; be ground into 100-120 purpose powder; behind above-mentioned powder uniform mixing; add in the tablets press; spray into the step 1 gained binding agent that accounts for raw materials quality 20%-30% and carry out granulation, promptly get and contain the silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer.
Above-mentioned polyvinyl alcohol (PVA) molecular weight model is 1300-1800.
Above-mentioned W-Gum is that grade is a 50-80 purpose conventional corn starch.
Silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer of the present invention be with cheap and easy to get, nontoxic, contain the crop essential nutrient element, oil shale lime-ash with soil improvement function is that main raw material is prepared from, the auxilliary lime carbonate that adds is with activation beneficial element silicon wherein, and by both mixing nitrogen, phosphorus, potash fertilizer are wrapped up, to realize controlled release to nitrogen, phosphorus, potassium nutrition.This invention compared with prior art has following advantage: 1) technology is simple, and non-chemical industry synthesis technique utilizes conventional equipment and compound technology to finish, and can directly drop into existing fertilizer plant production, has reduced the equipment input, has reduced cost; 2) raw material is easy to get, and the caking agent composition is biodegradable, and environmentally friendly, and the degraded composition can improve Soil structure effectively, and contains nitrogen unit's nutrient release inhibitor and micro-copper sulfate and zinc sulfate; 3) adopt components such as oil shale lime-ash and the lime carbonate filler as urea, Secondary ammonium phosphate and vitriolate of tartar, and interpolation trace element, nutrient is comprehensive, when replenishing nitrogen, phosphorus, potash fertilizer for soil, can also replenish silicon, the plain nutrition of calcium and trace element.Oil shale lime-ash and lime carbonate can be used as the physical barriers that fertilizer nutrient discharges again, have prolonged time for fertilizer, and single-dose application can be satisfied the nutrient demand of crop whole growing, has improved utilization rate of fertilizer and has reduced raw materials cost, has increased economic benefit.Simultaneously, reduce lime-ash land seizure amount, protected ecotope, also avoided the waste of resource simultaneously, thereby realized the reasonable resources utilization.
Five, embodiment
Embodiment 1: according to 5: 5: 0.1: 0.01: 0.01: 89.88 mass ratio is weighing polyvinyl alcohol (PVA), W-Gum, Dyhard RU 100 powder, copper sulphate powder, zinc sulphate powder and water respectively, under 90 ℃ temperature of reaction, in homogenizer, stirred 40 minutes, the stirrer rotating speed is: 100 rev/mins, make binding agent and send into during the liquid storage that links to each other with air compressor pump irritates; Take by weighing oil shale lime-ash 50.4kg, lime carbonate 5kg, urea 6.8kg, Secondary ammonium phosphate 21.8kg and vitriolate of tartar 16kg respectively.With the oven dry of oil shale lime-ash, become 100-120 purpose powder with the ball mill powder.With other raw material stoving or natural air drying, become 100-120 purpose powder with the pulverizer powder.With the gained powder mixes evenly after, on the disk of the tablets press that has heating function of packing into, under 50～60 ℃ of temperature, carry out preheating, the rotating speed of disk is 15 rev/mins.Connect air compressor pump, with spray gun binding agent evenly is sprayed on powder surface, the spraying elevation angle is 50～60 degree, and the spraying frequency is that the quantity for spray of binding agent is the 20%-30% of powder total mass every 30 seconds 1 time, makes the high-efficiency nitrogen-phosphorus-potassium fertilizer particle.With gained particle diameter is the sieve classification of 2mm and 5mm, returns tablets press granulation again less than the particle of 2mm.Greater than the particle of 5mm, with returning tablets press granulation again after the pulverizer pulverizing.Through warm air drying, detect the particulate water content less than 1% o'clock, cooling packing between the particle of 2mm and 5mm.
Embodiment 2: according to 10: 10: 0.1: 0.01: 0.01: 79.88 mass ratio is weighing polyvinyl alcohol (PVA), W-Gum, Dyhard RU 100 powder, copper sulphate powder, zinc sulphate powder and water respectively, under 80 ℃ temperature of reaction, in homogenizer, stirred 60 minutes, the stirrer rotating speed is: 100 rev/mins, make binding agent and send into during the liquid storage that links to each other with air compressor pump irritates; Take by weighing oil shale lime-ash 50.4kg, lime carbonate 5kg, urea 6.8kg, Secondary ammonium phosphate 21.8kg and vitriolate of tartar 16kg respectively.With the oven dry of oil shale lime-ash, become 100-120 purpose powder with the ball mill powder.With other raw material stoving or natural air drying, become 100-120 purpose powder with the pulverizer powder.With the gained powder mixes evenly after, on the disk of the tablets press that has heating function of packing into, under 50～60 ℃ of temperature, carry out preheating, the rotating speed of disk is 15 rev/mins.Connect air compressor pump, with spray gun binding agent evenly is sprayed on powder surface, the spraying elevation angle is 50～60 degree, and the spraying frequency is that the quantity for spray of binding agent is the 20%-30% of powder total mass every 30 seconds 1 time, makes the high-efficiency nitrogen-phosphorus-potassium fertilizer particle.With gained particle diameter is the sieve classification of 2mm and 5mm, returns tablets press granulation again less than the particle of 2mm.Greater than the particle of 5mm, with returning tablets press granulation again after the pulverizer pulverizing.Through warm air drying, detect the particulate water content less than 1% o'clock, cooling packing between the particle of 2mm and 5mm.
Embodiment 3: according to 8: 8: 0.1: 0.01: 0.01: 83.88 mass ratio is weighing polyvinyl alcohol (PVA), W-Gum, Dyhard RU 100 powder, copper sulphate powder, zinc sulphate powder and water respectively, under 85 ℃ temperature of reaction, in homogenizer, stirred 50 minutes, the stirrer rotating speed is: 100 rev/mins, make binding agent and send into during the liquid storage that links to each other with air compressor pump irritates; Take by weighing oil shale lime-ash 50.4kg, lime carbonate 5kg, urea 6.8kg, Secondary ammonium phosphate 21.8kg and vitriolate of tartar 16kg respectively.With the oven dry of oil shale lime-ash, become 100-120 purpose powder with the ball mill powder.With other raw material stoving or natural air drying, become 100-120 purpose powder with the pulverizer powder.With the gained powder mixes evenly after, on the disk of the tablets press that has heating function of packing into, under 50～60 ℃ of temperature, carry out preheating, the rotating speed of disk is 15 rev/mins.Connect air compressor pump, with spray gun binding agent evenly is sprayed on powder surface, the spraying elevation angle is 50～60 degree, and the spraying frequency is that the quantity for spray of binding agent is the 20%-30% of powder total mass every 30 seconds 1 time, makes the high-efficiency nitrogen-phosphorus-potassium fertilizer particle.With gained particle diameter is the sieve classification of 2mm and 5mm, returns tablets press granulation again less than the particle of 2mm.Greater than the particle of 5mm, with returning tablets press granulation again after the pulverizer pulverizing.Through warm air drying, detect the particulate water content less than 1% o'clock, cooling packing between the particle of 2mm and 5mm.
Claims (5)
1, a kind of preparation method who contains the silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer comprises the steps:
1. prepare binding agent: according to 5-10: 5-10: 0.1: 0.01: 0.01: the mass ratio of 79.88-89.88 is weighing polyvinyl alcohol, W-Gum, Dyhard RU 100 powder, copper sulphate powder, zinc sulphate powder and water respectively, above-mentioned raw materials is mixed, and under 80-90 ℃ temperature of reaction, stirred 40-60 minute with 100 rev/mins rotating speeds, it is stand-by to make binding agent;
2. prepare nitrogen, phosphorus, potash fertilizer: according to 50.4: 5: 6.8: 21.8: 16 mass ratio takes by weighing oil shale lime-ash, lime carbonate, urea, Secondary ammonium phosphate and vitriolate of tartar respectively; above-mentioned raw materials is carried out drying; be ground into 100-120 purpose powder; behind above-mentioned powder uniform mixing; add in the tablets press; spray into account for raw materials quality 20%-30% step 1. the gained binding agent carry out granulation, promptly get and contain the silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer.
2, a kind of preparation method who contains the silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer according to claim 1 is characterized in that: described polyvinyl alcohol molecular weight model is 1300-1800.
3, a kind of preparation method who contains the silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer according to claim 1 and 2 is characterized in that: described W-Gum is that grade is a 50-80 purpose conventional corn starch.
4, the preparation of a kind of method as claimed in claim 1 or 2 contains the silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer.
5, a kind ofly contain the silico-calcium high-efficiency nitrogen-phosphorus-potassium fertilizer as method preparation as described in the claim 3.
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| CN200910187221A CN101638345A (en) | 2009-09-04 | 2009-09-04 | High-efficiency nitrogen-phosphorus-potassium fertilizer containing silicon and calcium and preparation method thereof |
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| CN200910187221A CN101638345A (en) | 2009-09-04 | 2009-09-04 | High-efficiency nitrogen-phosphorus-potassium fertilizer containing silicon and calcium and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664276A (en) * | 2012-09-03 | 2014-03-26 | 焦伸 | Multi-element active silicon fertilizer based on oil shale |
| CN108329108A (en) * | 2018-03-29 | 2018-07-27 | 抚顺矿业集团有限责任公司工程技术研究中心 | A kind of sand-consolidating agent and preparation method thereof |
| CN109534913A (en) * | 2019-01-15 | 2019-03-29 | 北京蓉坤农业科技有限公司 | A kind of preparation method that new sustained release rice is compound fertilizer dedicated |
| US11254622B2 (en) | 2017-11-20 | 2022-02-22 | Elkem Asa | NPK-Si-humate fertilizer, method for production and use thereof |
| US11299436B2 (en) | 2017-11-20 | 2022-04-12 | Elkem Asa | NPK-Si fertilizer, method for production and use thereof |
-
2009
- 2009-09-04 CN CN200910187221A patent/CN101638345A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664276A (en) * | 2012-09-03 | 2014-03-26 | 焦伸 | Multi-element active silicon fertilizer based on oil shale |
| CN103664276B (en) * | 2012-09-03 | 2015-11-11 | 焦伸 | A kind of Multi-element active silicon fertilizer based on oil shale |
| US11254622B2 (en) | 2017-11-20 | 2022-02-22 | Elkem Asa | NPK-Si-humate fertilizer, method for production and use thereof |
| US11299436B2 (en) | 2017-11-20 | 2022-04-12 | Elkem Asa | NPK-Si fertilizer, method for production and use thereof |
| CN108329108A (en) * | 2018-03-29 | 2018-07-27 | 抚顺矿业集团有限责任公司工程技术研究中心 | A kind of sand-consolidating agent and preparation method thereof |
| CN109534913A (en) * | 2019-01-15 | 2019-03-29 | 北京蓉坤农业科技有限公司 | A kind of preparation method that new sustained release rice is compound fertilizer dedicated |
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Application publication date: 20100203 |