CN1151390A - Silicon compound fertilizer and its prepn. method - Google Patents
Silicon compound fertilizer and its prepn. method Download PDFInfo
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- CN1151390A CN1151390A CN 96112383 CN96112383A CN1151390A CN 1151390 A CN1151390 A CN 1151390A CN 96112383 CN96112383 CN 96112383 CN 96112383 A CN96112383 A CN 96112383A CN 1151390 A CN1151390 A CN 1151390A
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Abstract
A compound silicon fertilizer particularly containing soluble silicic acid and silica gel is prepared by the reaction of water-quenched slags or molten glass compound from blast furnace with sulfuric acid tog enerate a matter containing soluble silicic acid, silica gel, calcium salt, magnesium salt and aluminium salt and mixing it with agricultural fertilizer, and features low cost, more nutrients necessary for plant, quick taking its action and loosening soil.
Description
The invention belongs to silicon composite fertilizer and production method thereof, particularly contain composite fertilizer of mensuration dissolubility silicic and silica gel and preparation method thereof.
At present, though China's widespread production and use compound manure, great majority all are only nitrogenous, phosphorus, potassium, and the nutrient that contained plant needs is complete inadequately.In recent years, a large amount of research and facts have proved, silicon, calcium, magnesium elements also are the key elements of plant-growth, therefore China has the fertilizer that some areas are brought into use siliceous fertilizer and contained silico-calcium magnesium, but these fertilizer all belong to late effect property fertilizer, and its fertilizer efficiency is quite slow, and it is higher that cost seems relatively, and can make the hardening soil, therefore be difficult for popularizing.
The purpose of this invention is to provide a kind of silicon composite fertilizer and production method thereof, its technology is simple, and cost is lower, contains elements such as soluble silicon, calcium, magnesium, aluminium and nitrogen, phosphorus, potassium, and nutrition is more complete.
Technical scheme of the present invention is as follows:
The raw material that this silicon composite fertilizer adopts is the blast furnace water quenching slag of metal smelting or the resultant and the farming fertilizer of melten glass body fertilizer and sulfuric acid reaction, contain 5～20% mensuration dissolubility silicic and silica gel (SiO2.nH2O) in the composite fertilizer that mixes, 2～12% soluble calcium salt (CaSO4.2H2O), 1～10% solubility magnesium salts (MgSO4.7H2O), 1～5% aluminum soluble salt (Al2 (SO4) 3.xH2O).Mix the agricultural fertilizer that adds and to adopt the fertilizer that is rich in nitrogen, phosphorus, potassium, as urea, ammonium nitrate, vitriolate of tartar, Repone K, phosphorus ammonium and organism.
The processing step of producing this silicon composite fertilizer is: (1) gets the blast furnace water quenching slag or the melten glass body fertilizer of metal smelting, and is with its oven dry, levigate to 80～100 orders; (2) in the complex acid groove vitriol oil (d=1.84) is slowly injected water, prepare required concentration (50～90%), take advantage of heat to stir with slag and carry out chemical reaction, the consumption of slag calculates with the basicity of its detection; (3) resultant of reaction is stacked ageing 7～10 days, the check free acid according to the adaptation situation of farm crop to pH value, neutralizes with alkaline fertilizer; (4) according to the needs of farm crop, in mixing tank, add farming fertilizer, trace element and plant-growth regulator, mix, molding, granulating, packing.
In the reaction process that makes sulfuric acid and slag, should on the calculating consumption basis that sulfuric acid participates in reacting fully, add 0.2～0.5%, so that make chemical reaction complete.After the reaction of sulfuric acid and slag, the agricultural fertilizer that mixes add nitrogenous, phosphorus, potassium can adopt urea, ammonium nitrate, vitriolate of tartar, Repone K, phosphorus ammonium and organism.When being prepared into compoiste fertilizer if add organism, organism should be earlier and slag mix while and sulfuric acid reaction.
The blast furnace water quenching slag of metal smelting is generally passed into disuse, or be utilized to prepare cement, price is quite cheap, wherein be rich in a large amount of water-fast SiO2, CaO, MgO, Al2O3, after adding sulfuric acid, can be converted into soluble SiO2.nH2O, CaSO4.2H2O, CaSO4.1/2H2O, MgSO4.7H2O, Al2 (SO4) 3.xH2O etc. contains the compound of crystal water, thereby become the available nutrient of solubility, be equipped with nitrogenous again, phosphorus, the fertilizer of potassium and other trace element and plant-growth regulator, it is comprehensive just can to become contained composition, obvious results composite fertilizer.Wherein element silicon can play the support cell walls, prevents paddy rice generation rice blast and damping-off, prevents the plant lodging, increases the effect of output; Calcium constituent is the important element that forms cell walls, can prevent the lodging of plant, makes plant seed full, increases output; The magnesium elements plant generates the indispensable element of chlorophyll, and the chlorophyll abundance can help the absorption of nutritive substances such as nitrogen, phosphorus, potassium, prevents the albinism of plant.
Complex acid process the vitriol oil slowly being injected water can produce heat, and the sulfuric acid after the dilution can produce heat again when reacting with slag, and fierce thermopositive reaction meeting produces evaporation, therefore should add into some dilute sulphuric acids than calculating consumption.Because the generation of evaporation and crystal water compound, moisture contained in the product that finally obtains is not many, thus do not need to be dried processing, thus can reduce equipment, simplify technology, further reduce cost.
In sum, the present invention can make full use of cheap water granulated slag, with better simply technology and less equipment, prepare the composite fertilizer of containing more soluble silicon, calcium, magnesium, aluminium element, make the nutrition in the fertilizer comprehensive, it is very fast to use fertilizer efficiency, and product cost is lower, has simultaneously also opened up another wide approach except that manufacturing cement for the blast furnace water quenching slag.
Below, according to several specific embodiments of the present invention, it is further described.
Embodiment 1: the tealeaves composite fertilizer special
(1) it is levigate to 100 purpose water granulated slags to get 450～650Kg, and its oven dry is stand-by; (2) in the complex acid groove, the vitriol oil of 125 liters of d=1.84 is slowly injected 180Kg water, be made into dilute sulphuric acid, take advantage of heat to stir and carry out chemical reaction with slag; (3) resultant of reaction is stacked ageing 7～10 days, the check free acid is neutralized to PH=5～6 with the alkaline fertilizer fused(calcium magnesium)phosphate, obtains work in-process; (4) mix in following ratio and agricultural fertilizer and trace element in mixing tank, 488Kg work in-process, 237Kg urea, 125Kg monoammonium phosphate, 120Kg vitriolate of tartar and 30Kg contain the trace element of zinc, boron, copper, rare earth, last molding, granulating, packing.
N in this composite fertilizer: P2O5: K2O=12: 5: 6, wherein and contain 12% mensuration dissolubility silicic and silica gel (SiO2.nH2O), 6% soluble calcium salt (CaSO4.2H2O), 2% solubility magnesium salts (MgSO4.7H2O), 3% aluminum soluble salt (Al2 (SO4) 3.xH2O), 3% trace element.Through Shuangbo County, state, Chuxiong tissue test of Yu Long tea processing factory, composite fertilizer compares with the tea mulberry, the tealeaves rudiment early, sprout neat, young shoot is healthy and strong, do not fall ill, than not applying fertilizer group volume increase 166.8%, than control group volume increase 21.6%.
Embodiment 2: compound fertilizer dedicated to paddy
(1) learnt from else's experience mechanical dehydration and contain the organism 192Kg composite fertilizer of the compounding high concentration and the middle concentration nutrient (time can dewater) of 40% moisture, other gets oven dry and levigate to 100 purpose water granulated slag 197Kg, and the two mixes; (2) in the complex acid groove, 46.5 liters of vitriol oils (d=1.84) are slowly injected 10Kg water, be made into dilute sulphuric acid, take advantage of heat to stir and carry out chemical reaction with above composite product (being slag and organism); (3) resultant of reaction is stacked ageing 7～10 days, the check free acid is neutralized to PH=5～6 with the alkaline fertilizer fused(calcium magnesium)phosphate, obtains work in-process; (4) in mixing tank, mix in following ratio and agricultural fertilizer and trace element, 482Kg work in-process, 253Kg urea, 150Kg monoammonium phosphate, 120Kg vitriolate of tartar and 15Kg contain the trace element and an amount of plant-growth regulator of zinc, boron, rare earth, last molding, granulating, packing.
In this composite fertilizer, N: P2O5: K2O=12: 6: 6, wherein and contain 8% mensuration dissolubility silicic and silica gel (SiO2.nH2O), 4% soluble calcium salt (CaSO4.2H2O), 1.5% solubility magnesium salts (MgSO4.7H2O), 1.5% trace element, 11.5% organic matter.96 year spring, 6 mu of rice tests have been carried out through state, the Chuxiong institute of agricultural sciences and Chuxiong Dong Gua township and other places, all grow fine in each test point, divide seedling stage evil power strong, the plant type compactness has stronger blast resisting and damping-off ability, it is neat to go out fringe at present, fringe is big, and seed is many, can increase production 14.27% behind practical this compoiste fertilizer of the paddy rice of state institute of agricultural sciences test.(the preparation fertilizer that control group is nitrogen, phosphorus, potassium content is identical)
Embodiment 3: the flue-cured tobacco composite fertilizer special
(1) learnt from else's experience mechanical dehydration and contain the organism 167Kg composite fertilizer of the compounding high concentration and the middle concentration nutrient (time can dewater) of 40% moisture, other gets oven dry and levigate to 100 purpose pig iron water granulated slag 170Kg, and the two mixes; (2) in the complex acid groove, the vitriol oil of 37.8 liters of d=1.84 is slowly injected 6Kg water, be made into dilute sulphuric acid, take advantage of heat to stir and carry out chemical reaction with above composite product (being slag and organism); (3) resultant of reaction is stacked ageing 7～10 days, the check free acid is neutralized to PH=6～6.5 with the alkaline fertilizer fused(calcium magnesium)phosphate, obtains work in-process; (4) in mixing tank, mix 410Kg work in-process, 150Kg urea, 150Kg monoammonium phosphate, 180Kg vitriolate of tartar, ammonium nitrate 110, last molding, granulating, packing in following ratio and agricultural fertilizer and trace element.
N in this compoiste fertilizer: P2O5: K2O=6: 6: 9, and contain 7% mensuration dissolubility silicic and silica gel (SiO2.nH2O), 3.5% soluble calcium salt (CaSO.2H2O), 1.2% solubility magnesium salts (MgSO4.7H2O), 16% organic matter.In 96 year spring,,, use the volume increase 10.9% of this composite fertilizer with " the permanent composite fertilizer of benevolence " contrast (both N: P2O5: the K2O consumption equates) that Sino-foreign joint venture is produced through 0.5 mu of spring cigarette of state, Chuxiong Lufeng County Luo Chuan township tissue test; The better-than-average tobacco leaf of executing " the permanent composite fertilizer of benevolence " accounts for 80.6%, and the better-than-average tobacco leaf of Shi Benfei accounts for 91%; Tobacco leaf sickness rate " the permanent composite fertilizer of benevolence " accounts for 35%, and this fertile sickness rate is 1.2%.According to peasant household's reflection, stronger drought-resistant ability after using, this fertilizer is arranged.Summer in this year, the township that advances in the Chuxiong again, ground such as Lufeng County Chuan Jie township have been tested 10 mu, grow fine at present, prosperous long-term leaf dark green is roomy, and tobacco rod is thick than control group also, stronger diseases and insect pests resistance is arranged, and phenomenons such as mosaic disease, anthrax take place in the existing worm that sprouts of control group.
Claims (5)
1, a kind of silicon composite fertilizer, it is characterized in that the raw material that adopts is the blast furnace water quenching slag of metal smelting or the resultant and the farming fertilizer of melten glass body fertilizer and sulfuric acid reaction, contain 5～20% mensuration dissolubility silicic and silica gel (SiO2.nH2O) in the composite fertilizer that mixes, 2～12% soluble calcium salt (CaSO4.2H2O), 1～10% solubility magnesium salts (MgSO4.7H2O), 1～5% aluminum soluble salt (Al2 (SO4) 3.xH2O).
2,, it is characterized in that institute mixes the agricultural fertilizer of adding and can be urea, ammonium nitrate, vitriolate of tartar, Repone K, phosphorus ammonium and organism by the described silicon composite fertilizer of claim 1.
3, a kind of preparation method of silicon composite fertilizer is characterized in that processing step is:
(1) get the blast furnace water quenching slag or the melten glass body fertilizer of metal smelting, with its oven dry, levigate to 80～100 orders;
(2) in the complex acid groove vitriol oil (d=1.84) is slowly injected water, be made into desired concn (50～90%), take advantage of heat to stir with slag and carry out chemical reaction, the consumption of slag calculates with the basicity of its detection;
(3) resultant of reaction is stacked ageing 7～10 days, the check free acid according to the adaptation situation of farm crop to pH value, neutralizes with alkaline fertilizer;
(4), in mixing tank, add farming fertilizer, trace element and plant-growth regulator and mix, molding, granulating, packing according to the needs of farm crop.
4, by the described silicon composite fertilizer preparation method of claim 3, it is characterized in that in the reaction of sulfuric acid and slag, should add to calculate 0.2～0.5% of consumption into sulfuric acid, mixing the agricultural fertilizer that adds can be urea, ammonium nitrate, vitriolate of tartar, Repone K, phosphorus ammonium and organism.
5, by the described silicon composite fertilizer preparation method of claim 4, it is characterized in that when being prepared into compoiste fertilizer, organism should be earlier and slag mix, again with sulfuric acid reaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96112383 CN1151390A (en) | 1996-10-14 | 1996-10-14 | Silicon compound fertilizer and its prepn. method |
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| CN 96112383 CN1151390A (en) | 1996-10-14 | 1996-10-14 | Silicon compound fertilizer and its prepn. method |
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| CN1151390A true CN1151390A (en) | 1997-06-11 |
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| CN 96112383 Pending CN1151390A (en) | 1996-10-14 | 1996-10-14 | Silicon compound fertilizer and its prepn. method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891521A (en) * | 2010-08-05 | 2010-11-24 | 遵化市励拓环保科技有限公司 | Silicon-calcium-magnesium-sulfur fertilizer and preparation process thereof |
| CN102329174A (en) * | 2011-07-29 | 2012-01-25 | 广东省生态环境与土壤研究所 | Humic acid silicon calcium magnesium fertilizer and production method thereof |
| CN102391021A (en) * | 2011-08-15 | 2012-03-28 | 广州钢铁企业集团有限公司 | Method for producing silicon-calcium-magnesium fertilizer by using ironmaking blast furnace water-quenching slag as raw materials |
| CN102811977A (en) * | 2010-09-10 | 2012-12-05 | 哈斯科公司 | Agricultural blend containing sulfate source and calcium silicate and method of forming the same |
| CN103539496A (en) * | 2013-09-22 | 2014-01-29 | 苏州市湘园特种精细化工有限公司 | Compound fertilizer production technology |
| CN104387207A (en) * | 2014-11-03 | 2015-03-04 | 贵州省化工研究院 | Fertilizer prepared from yellow phosphorus furnace slag and specially applied to kiwi fruits and preparation method of fertilizer |
| CN110734349A (en) * | 2019-10-31 | 2020-01-31 | 西安交通大学 | calcium magnesium phosphorus compound fertilizer prepared from waste slag from Pidgeon magnesium smelting and method thereof |
| DE202023100897U1 (en) | 2023-02-24 | 2024-05-27 | G & W Handel Gmbh | fertilizer |
-
1996
- 1996-10-14 CN CN 96112383 patent/CN1151390A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891521A (en) * | 2010-08-05 | 2010-11-24 | 遵化市励拓环保科技有限公司 | Silicon-calcium-magnesium-sulfur fertilizer and preparation process thereof |
| CN102811977A (en) * | 2010-09-10 | 2012-12-05 | 哈斯科公司 | Agricultural blend containing sulfate source and calcium silicate and method of forming the same |
| CN102329174A (en) * | 2011-07-29 | 2012-01-25 | 广东省生态环境与土壤研究所 | Humic acid silicon calcium magnesium fertilizer and production method thereof |
| CN102329174B (en) * | 2011-07-29 | 2013-06-19 | 广东省生态环境与土壤研究所 | Humic acid silicon calcium magnesium fertilizer and production method thereof |
| CN102391021A (en) * | 2011-08-15 | 2012-03-28 | 广州钢铁企业集团有限公司 | Method for producing silicon-calcium-magnesium fertilizer by using ironmaking blast furnace water-quenching slag as raw materials |
| CN102391021B (en) * | 2011-08-15 | 2013-09-18 | 广州钢铁企业集团有限公司 | Method for producing silicon-calcium-magnesium fertilizer by using ironmaking blast furnace water-quenching slag as raw materials |
| CN103539496A (en) * | 2013-09-22 | 2014-01-29 | 苏州市湘园特种精细化工有限公司 | Compound fertilizer production technology |
| CN103539496B (en) * | 2013-09-22 | 2015-07-01 | 苏州市湘园特种精细化工有限公司 | Compound fertilizer production technology |
| CN104387207A (en) * | 2014-11-03 | 2015-03-04 | 贵州省化工研究院 | Fertilizer prepared from yellow phosphorus furnace slag and specially applied to kiwi fruits and preparation method of fertilizer |
| CN110734349A (en) * | 2019-10-31 | 2020-01-31 | 西安交通大学 | calcium magnesium phosphorus compound fertilizer prepared from waste slag from Pidgeon magnesium smelting and method thereof |
| DE202023100897U1 (en) | 2023-02-24 | 2024-05-27 | G & W Handel Gmbh | fertilizer |
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