CN102617210A - Preparation method for compound silicon magnesium sulfur calcium fertilizer - Google Patents
Preparation method for compound silicon magnesium sulfur calcium fertilizer Download PDFInfo
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- CN102617210A CN102617210A CN2012100756490A CN201210075649A CN102617210A CN 102617210 A CN102617210 A CN 102617210A CN 2012100756490 A CN2012100756490 A CN 2012100756490A CN 201210075649 A CN201210075649 A CN 201210075649A CN 102617210 A CN102617210 A CN 102617210A
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Abstract
The invention discloses a preparation method for compound silicon magnesium sulfur calcium fertilizer. The method comprises the steps of firstly ensuring that serpentine powder and concentrated sulfuric acid are sufficiently reacted, then adding element fertilizer and phosphogypsum into slurry, adjusting the pH value of the slurry to be 8 to 9 through KOH solution, and then performing drying and pelleting on the slurry, so as to obtain finished products. The fertilizer has high content of dissolved silica, presents weak alkaline, and is particularly applicable to acid soil in the South where the soil is lack of secondary elements, such as silicon, calcium, magnesium and the like, the production cost is low, the preparation method is simple, no waste water, waste residue and waste gas are produced during the whole production process, and all material is converted into products.
Description
Technical field
The present invention relates to a kind of preparation method of comprehensive silicon magnesium sulphur calcareous fertilisers, in particular, relating to a kind of is the comprehensive silicon magnesium sulphur calcareous fertilisers of feedstock production with snake stone flour, phosphogypsum, first fertilizer.
Background technology
Calcium, magnesium are the necessary moderate-elements of plant growth; Be the important composition composition of plant, various physiological and biochemical procedures in the involved in plant body play an important role to promoting growth and development of plant and metabolism in many ways; Can improve crop yield and quality, the enhancing crop resistance.Sulphur is one of 16 kinds of essential nutritive elements of crop, also is the plant structure component element.Sulphur is ripe to promoting plant, and the winter resistance of enhancement of plant and drought tolerance promote the fixed nitrogen of crop root nodule bacterium and azotobacter to play an important role.Silicon in the soil, the overwhelming majority exists with the crystalline mineral form, combines closely with other element, and water insoluble, the utmost point embarrasses plant absorbing.Crop mainly absorbs silicon ion and the molecular state silicic acid that is dissolved in the water, and minority available state silicon compound then is prone to washed away loss by leaching in the soil.Especially southern acid soil, the validity of calcium, magnesium elements sharply reduce with the reduction of pH value, and damp and hot in addition weather condition make the matrix that forms soil be low silicon sexupara matter (SiO2:R2O3 < 2) again, cause to lack validity silicon in the soil.Even also there is the phenomenon that lacks effective silicon in calcareous soil.As solubility in acid fertilizer, the acidulous material that no doubt reliable plant root exudation goes out, it is plain from fertilizer, to draw silicon; But solubleness is limited, absorbs often inadequate, particularly more to silicon cellulose content happiness silicon plant; Like paddy rice gramineous, sugarcane, wheat class, corn, jowar, bamboo, and piece root tubers, watermelon, peanut or the like; Plant under the ground condition in that effectively silicon is insufficient, strengthen supply intensity, to further raising crop yield, improve crops quality and have great significance silicon.
Summary of the invention
The objective of the invention is to: the preparation method that a kind of comprehensive silicon magnesium sulphur calcareous fertilisers are provided; Comprehensive silicon magnesium sulphur calcareous fertilisers with the preparation of this method are not only nitrogenous, phosphorus, three kinds of macroelement of potassium; Silicon wherein mainly is the soluble silicon that exists with the silicate ion form, is beneficial to crop and absorbs, and improves fertilizer efficiency; Regulate the pH value of southern acid soil, improve the soil.
Technical solution of the present invention is that this preparation method comprises the steps:
(1) 50 ~ 800L water is added in the reaction kettle; 150 ~ 200 order snake stone flours that add 60 ~ 800kg; Slowly in reaction kettle, add 20 ~ 800kg vitriol oil,, in reaction kettle, drop into 100 ~ 200 order snake stone flours of 20 ~ 300kg again at 60 ~ 100oC reaction, 150 ~ 300 min; Slowly in reaction kettle, drip 150 ~ 300kg vitriol oil, 60 ~ 100oC reacts 200 ~ 300 min;
(2) in reaction kettle, add urea 30 ~ 500kg, saltpetre 20 ~ 500kg, an ammonium nitrate 30 ~ 500kg; Monoammonium phosphate 15 ~ 500kg, diammonium phosphate 10 ~ 500kg, potassium primary phosphate 150 ~ 500kg; Trisodium phosphate 15 ~ 500kg, ammonium polyphosphate 15 ~ 500kg, Potassium tripolyphosphate 10 ~ 500kg; Repone K 150 ~ 500kg, vitriolate of tartar 200 ~ 500kg is at 50 ~ 90 oC reaction, 150 ~ 300 min;
(3) the KOH solution of adding mass concentration 20 ~ 50% in reaction kettle, adjustment slip pH value to 8 ~ 9;
(4) slip gets finished product through oven dry, granulation.
Comprehensive silicon magnesium sulphur calcareous fertilisers of the present invention not only are rich in moderate-elements such as soluble silicon, calcium, magnesium, sulphur, and have added nitrogen, phosphorus, three kinds of macroelement of potassium, are suitable for southern acid soil and use as base fertilizer.
Embodiment
Further specify technical solution of the present invention below in conjunction with specific embodiment, these embodiment can not be interpreted as it is the restriction to technical scheme.
Embodiment 1: prepare comprehensive silicon magnesium sulphur calcareous fertilisers according to following steps
(1) 50L water is added in the reaction kettle; The 150 order snake stone flours that add 60kg; Slowly in reaction kettle, add the 20kg vitriol oil, react 150 min, in reaction kettle, drop into the 100 order snake stone flours of 20kg again at 60oC; Slowly in reaction kettle, drip the 150kg vitriol oil, 60oC reacts 200 min;
(2) in reaction kettle, add urea 30kg, saltpetre 20kg, an ammonium nitrate 30kg, monoammonium phosphate 15kg; Diammonium phosphate 10kg, potassium primary phosphate 150kg, trisodium phosphate 15kg, ammonium polyphosphate 15kg; Potassium tripolyphosphate 10kg, Repone K 150kg, vitriolate of tartar 200kg is at 50oC reaction 150min;
(3) the KOH solution of adding mass concentration 20% in reaction kettle, adjustment slip pH value to 8;
(4) slip gets finished product through oven dry, granulation.In comprehensive silicon magnesium sulphur calcareous fertilisers quality is 100, N+P
2O
5+ K
2O=20%, SiO
2+ MgO+CaO+SO
3=26%.
Embodiment 2: prepare comprehensive silicon magnesium sulphur calcareous fertilisers according to following steps
(1) 425L water is added in the reaction kettle; The 180 order snake stone flours that add 430kg; Slowly in reaction kettle, add the 410kg vitriol oil,, in reaction kettle, drop into the 150 order snake stone flours of 160kg again at 80oC reaction 225min; Slowly in reaction kettle, drip the 225kg vitriol oil, 80oC reacts 250min;
(2) in reaction kettle, add urea 265kg, saltpetre 260kg, an ammonium nitrate 265kg; Monoammonium phosphate 257.5kg, diammonium phosphate 255kg, potassium primary phosphate 325kg; Trisodium phosphate 257.5kg, ammonium polyphosphate 257.5kg, Potassium tripolyphosphate 255kg; Repone K 325kg, vitriolate of tartar 350kg reacts 225 min at 70 oC;
(3) the KOH solution of adding mass concentration 35% in reaction kettle, adjustment slip pH value to 8.5;
(4) slip gets finished product through oven dry, granulation.In comprehensive silicon magnesium sulphur calcareous fertilisers quality is 100, N+P
2O
5+ K
2O=23%, SiO
2+ MgO+CaO+SO
3=28%.
Embodiment 3: prepare comprehensive silicon magnesium sulphur calcareous fertilisers according to following steps
(1) 800L water is added in the reaction kettle; The 200 order snake stone flours that add 800kg; Slowly in reaction kettle, add the 800kg vitriol oil, react 300 min, in reaction kettle, drop into the 200 order snake stone flours of 300kg again at 100oC; Slowly in reaction kettle, drip the 300kg vitriol oil, 100oC reacts 300 min;
(2) in reaction kettle, add urea 500kg, saltpetre 500kg, an ammonium nitrate 500kg; Monoammonium phosphate 500kg, diammonium phosphate 500kg, potassium primary phosphate 500kg; Trisodium phosphate 500kg, ammonium polyphosphate 500kg, Potassium tripolyphosphate 500kg; Repone K 500kg, vitriolate of tartar 500kg reacts 300 min at 90 oC;
(3) the KOH solution of adding mass concentration 50% in reaction kettle, adjustment slip pH value to 9;
(4) slip gets finished product through oven dry, granulation.In comprehensive silicon magnesium sulphur calcareous fertilisers quality is 100, N+P
2O
5+ K
2O=26%, SiO
2+ MgO+CaO+SO
3=30%.
Claims (1)
1. the preparation method of comprehensive silicon magnesium sulphur calcareous fertilisers is characterized in that the preparation method comprises the steps:
(1) 50 ~ 800L water is added in the reaction kettle; 150 ~ 200 order snake stone flours that add 60 ~ 800kg; Slowly in reaction kettle, add 20 ~ 800kg vitriol oil,, in reaction kettle, drop into 100 ~ 200 order snake stone flours of 20 ~ 300kg again at 60 ~ 100oC reaction, 150 ~ 300 min; Slowly in reaction kettle, drip 150 ~ 300kg vitriol oil, 60 ~ 100oC reacts 200 ~ 300 min;
(2) in reaction kettle, add urea 30 ~ 500kg, saltpetre 20 ~ 500kg, an ammonium nitrate 30 ~ 500kg; Monoammonium phosphate 15 ~ 500kg, diammonium phosphate 10 ~ 500kg, potassium primary phosphate 150 ~ 500kg; Trisodium phosphate 15 ~ 500kg, ammonium polyphosphate 15 ~ 500kg, Potassium tripolyphosphate 10 ~ 500kg; Repone K 150 ~ 500kg, vitriolate of tartar 200 ~ 500kg is at 50 ~ 90 oC reaction, 150 ~ 300 min;
(3) the KOH solution of adding mass concentration 20 ~ 50% in reaction kettle, adjustment slip pH value to 8 ~ 9;
(4) slip gets finished product through oven dry, granulation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100756490A CN102617210A (en) | 2012-03-21 | 2012-03-21 | Preparation method for compound silicon magnesium sulfur calcium fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100756490A CN102617210A (en) | 2012-03-21 | 2012-03-21 | Preparation method for compound silicon magnesium sulfur calcium fertilizer |
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| CN102617210A true CN102617210A (en) | 2012-08-01 |
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| CN2012100756490A Pending CN102617210A (en) | 2012-03-21 | 2012-03-21 | Preparation method for compound silicon magnesium sulfur calcium fertilizer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292042A (en) * | 2014-09-15 | 2015-01-21 | 江苏湛蓝科技开发有限公司 | Silicon-magnesium compound fertilizer and preparation method thereof |
| CN105859478A (en) * | 2016-04-08 | 2016-08-17 | 连云港宝翔铸造有限公司 | Method for preparing silicon, magnesium, sulphur and calcium compound fertilizer by utilizing ferronickel waste residue |
| CN106416975A (en) * | 2016-09-20 | 2017-02-22 | 阜南县环宇柳木工艺制品有限公司 | Cyclocarya paliurus seed seedling-raising cultivation matrix |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03164487A (en) * | 1989-11-20 | 1991-07-16 | Dia Chem Kk | Granular magnesia sulfate fertilizer and production thereof |
| US6053958A (en) * | 1998-05-27 | 2000-04-25 | Wilson; Harold W. | Process for preparation of fertilizer containing slag |
| WO2003050059A1 (en) * | 2001-12-06 | 2003-06-19 | University Of South Florida | Slow-release fertilizer |
| CN101550035A (en) * | 2009-05-07 | 2009-10-07 | 山西世纪亚科丰肥业有限公司 | High-activity Si, Ca, Mg, K fertilizer |
| CN102372527A (en) * | 2010-08-11 | 2012-03-14 | 辽宁省农业科学院环境资源与农村能源研究所 | Si-Ca-Zn-S-Mg fertilizer |
-
2012
- 2012-03-21 CN CN2012100756490A patent/CN102617210A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03164487A (en) * | 1989-11-20 | 1991-07-16 | Dia Chem Kk | Granular magnesia sulfate fertilizer and production thereof |
| US6053958A (en) * | 1998-05-27 | 2000-04-25 | Wilson; Harold W. | Process for preparation of fertilizer containing slag |
| WO2003050059A1 (en) * | 2001-12-06 | 2003-06-19 | University Of South Florida | Slow-release fertilizer |
| CN101550035A (en) * | 2009-05-07 | 2009-10-07 | 山西世纪亚科丰肥业有限公司 | High-activity Si, Ca, Mg, K fertilizer |
| CN102372527A (en) * | 2010-08-11 | 2012-03-14 | 辽宁省农业科学院环境资源与农村能源研究所 | Si-Ca-Zn-S-Mg fertilizer |
Non-Patent Citations (1)
| Title |
|---|
| 杨博等: "蛇纹石综合利用现状及发展趋势", 《材料导报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292042A (en) * | 2014-09-15 | 2015-01-21 | 江苏湛蓝科技开发有限公司 | Silicon-magnesium compound fertilizer and preparation method thereof |
| CN105859478A (en) * | 2016-04-08 | 2016-08-17 | 连云港宝翔铸造有限公司 | Method for preparing silicon, magnesium, sulphur and calcium compound fertilizer by utilizing ferronickel waste residue |
| CN106416975A (en) * | 2016-09-20 | 2017-02-22 | 阜南县环宇柳木工艺制品有限公司 | Cyclocarya paliurus seed seedling-raising cultivation matrix |
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Application publication date: 20120801 |