CN102329174B - Humic acid silicon calcium magnesium fertilizer and production method thereof - Google Patents
Humic acid silicon calcium magnesium fertilizer and production method thereof Download PDFInfo
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- CN102329174B CN102329174B CN 201110217243 CN201110217243A CN102329174B CN 102329174 B CN102329174 B CN 102329174B CN 201110217243 CN201110217243 CN 201110217243 CN 201110217243 A CN201110217243 A CN 201110217243A CN 102329174 B CN102329174 B CN 102329174B
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Abstract
The invention discloses a humic acid silicon calcium magnesium fertilizer and a production method thereof. The production method comprises the following steps: carrying out natural air drying on water quenching slag until the water content reaches 15-25%; milling the dried water quenching slag in a ball mill to 80-100 meshes; evenly mixing the milled powder and a humic acid raw material, of which the humic acid content is 75-80 wt%, in a mass ratio of 2:(1-1.5) to form a mixture A; adding adhesive, which accounts for 5-10 wt% of the mixture A, into the mixture A, and evenly mixing; granulating on a fertilizer granulator, wherein the water, which accounts for 10-15 wt% of the mixture A, is sprayed on the mixture A to form the granular fertilizer, and the granularity of the fertilizer is 2-4mm; and finally, baking to obtain the humic acid silicon calcium magnesium fertilizer. The humic acid silicon calcium magnesium fertilizer has the advantages of low production cost, high available nutrient content, high crop utilization ratio, low environmental risk and strong soil pertinence, is convenient for field application, and can be popularized and applied in crop production.
Description
Technical field:
The invention belongs to field of fertilizer manufacturing, be specifically related to a kind of take iron-smelting blast furnace Water Quenching Slag and humic acid as the raw material production humic acid silicon calcium magnesium fertilizer production method and the humic acid silicon calcium magnesium fertilizer that utilizes the method to produce.
Background technology:
Water Quenching Slag also is blast furnace granulated slag, is the waste residue that iron and steel enterprise adopts shrend quenching blast furnace slag to form in iron manufacturing process, and its composition mainly is about: SiO
234.9%, CaO 36.8%, Al
2O
311.3%, MgO 13.2%.
Water Quenching Slag has very long history as fertilizer in Germany.At present, the main technique that Germany utilizes blast furnace slag to produce siliceous fertilizer is: blast furnace slag is pulverized the levigate certain particle size that reaches directly uses, or blast furnace slag pulverize levigate after, mix directly with phosphate component and use.Japan adopts the wind method quenching slag of quenching, and utilization ratio of recovery of heat reaches 62.6%, and second stage employ can reach 70%, and the glass rate reaches 96～99%.So both reclaim waste heat, improved again glass rate and the activated silica content of slag.The slag that the glass rate is high is levigate, or adds some additives ball milling together, and after reaching certain particle size, directly the form with the commodity siliceous fertilizer comes into the market, and the blast furnace slag siliceous fertilizer available silicon content that makes can reach 20%.Korea's Huanghai Sea iron processed utilizes the iron-smelting blast furnace grain slag to produce siliceous fertilizer technique: directly will carry out shrend in high temperature blast furnace slag impouring water quenching pool, then with grab machine, the shrend thing is picked up, add 10% flyash, add water and enter together the ball mill wet-milling, granularity reaches below 0.5mm, namely get after drying siliceous fertilizer, contain soluble silicon greater than 15% in its siliceous fertilizer that makes, calcium oxide and magnesium oxide total amount are greater than 30%.In the siliceous fertilizer that abroad makes, available silicon content is all more than 15%, and calcium oxide and magnesium oxide total amount are greater than 30%.Late nineteen eighties, Xinyang siliceous fertilizer factory of Henan Prov. Inst. utilizes iron-smelting blast-furnace slag to be the raw material production siliceous fertilizer, has in succession built up small-sized siliceous fertilizer factory in some places.Yunnan Province built up factory of siliceous fertilizer experiment production plant-elder brother's phosphorus multi-element fertilizer from 1989, scale is for producing siliceous fertilizer 0.7～10,000 t per year.According to incompletely statistics, China's siliceous fertilizer yearly capacity but mainly still concentrates on indivedual provinces more than 1,000,000 t, and wherein Henan Province produces siliceous fertilizer 600,000 t per year, and Yunnan siliceous fertilizer manufacturer reaches 20, and yearly capacity reaches 300,000 t.In recent years, the silicon element fertilizer material more and more comes into one's own in the whole nation, and the siliceous fertilizer annual production in Hunan, Hubei, Jiangsu also surpasses 100,000 t.
The blast furnace slag siliceous fertilizer of recently Slag At Anshan Iron And Steel Co. development company development obtains northeastward big area and uses, and its technique is: with Water Quenching Slag draining, natural air drying, then enter crusher and carry out fragmentation and screening and removing impurities, enter the ball mill ball milling again, sieve, packing namely obtains the commodity siliceous fertilizer at last.Baoshan Iron and Steel Group utilizes this scientific research project of iron-smelting blast-furnace slag exploitation siliceous fertilizer also to obtain certain progress.The patent No. is 88104650.7 Chinese patent " production method of high effective silica fertilizer ", is to utilize to produce in pre-treatment liquid pig iron process and to have a siliceous fertilizer of producing than the slag of high dissolubility silica content.
The Main Problems of siliceous fertilizer research and development at present has: the one, there is no granulating working procedure in making the siliceous fertilizer process, and in pulverous siliceous fertilizer application, dust raising phenomenon is serious, and dust adhering is on the plant body, and its alkaline matter damages plant.The second siliceous fertilizer of directly making due to grain slag is alkalescence, causes easily that in application nitrogenous fertilizer changes into ammonia nitrogen volatilization loss, must use separately in use procedure, and inconvenience is arranged more.
Humic acid is a kind of organic acid, it mainly comprises Ulmic acids (being the humic acid of narrow sense), ulmic acid (or claiming melilotic acid), xanthohumic acid (or claiming fulvic acid), be a kind of mixture of complexity, usually again Ulmic acids and ulmic acid except xanthohumic acid both called humic acid.
Humic acid fertilizers take humic acid as raw material production are a kind of multifunctional fertilizers.It is that other organic mineral manure of main raw material(s) fusion is formulated that this class fertilizer is rich in humic acid substance mainly with peat etc., various in style, it comprises that make present various places and ammonium nitro-humate, ammonium humate, humic acid phosphorus, potassium humate, humic acid nitrogen phosphorus, the humic acid nitrogen phosphorus potassium that uses and the sodium humate of making stimulant, makes the calcium humate, magnesium of soil improvement agent etc.The humic acid silicon calcium magnesium fertilizer material does not have the report of production.
Summary of the invention:
The purpose of this invention is to provide a kind of cost low, pH be neutral and can not damage plant, use conveniently, available nutrient content and the crop utilization rate high, environmental risk is low, and soil is with strong points, is convenient to humic acid silicon calcium magnesium fertilizer and the production method thereof used in the field.
The present invention with the Water Quenching Slag drying that produces in the blast furnace ironmaking process, ball milling, be mixed in proportion with humic acid, the techniques such as granulation, producing can be for the humic acid silicon calcium magnesium fertilizer of agricultural production application, thereby has realized purpose of the present invention.
Humic acid silicon calcium magnesium fertilizer of the present invention is produced by the following method, it is characterized in that, comprises the following steps:
Water Quenching Slag is 15%～25% through natural air drying to water content, dried Water Quenching Slag enters ball mill grinding, be ground to 80～100 order grades, the humic acid material that then powder and the content of humic acid of milled is 75%～80% (massfraction) is 2: 1～1.5 to mix formation mixture A in mass ratio, add again 5%～10% binding agent of mixture A quality in the mixture A, mix, granulation on the granulation of fertilizer machine again, granulation process sprays moisture in 10%～15% ratio of mixture A quality makes it form granulated fertilizer, the grade of fertilizer is controlled at 2～4mm, make humic acid silicon calcium magnesium fertilizer finally by oven dry.
With above-mentioned humic acid silicon calcium magnesium fertilizer pack, the humic acid silicon calcium magnesium fertilizer that namely can be used as commodity is sold.
Described humic acid material can be processed according to ordinary method by coal or peat, and it is the humic acid material of 75%～80% (massfraction) that the present invention has just selected content of humic acid.
Described binding agent can be kaolin, wilkinite etc.
The present invention will mix by a certain percentage through certain Water Quenching Slag and humic acid of processing, and utilize both acid-base neutralisation performances, make the fertilizer of making be neutral, then through granulation, avoiding airborne dust, and obtain humic acid silicon calcium magnesium fertilizer.The present invention has avoided directly using Water Quenching Slag and has caused airborne dust, and because Water Quenching Slag neutral and alkali material sticks on plant, plant is caused damage, can also avoid being alkalescence because of the siliceous fertilizer that Water Quenching Slag is directly made, cause easily that in application nitrogenous fertilizer changes into ammonia nitrogen volatilization loss, and must use separately and the inconvenience that causes.
According to the humic acid silicon calcium magnesium fertilizer that production method of the present invention makes, its fertilizer feature is as follows:
It is neutral that finished product fertilizer is, and PH is 7.0-7.5, nutrient content SiO
220%～25%, CaO 20%～25%, and MgO 10%～15%, organic matter 30%～35%, and it is granular that fertilizer is black.
Can use on the crops such as paddy rice, sugarcane, tobacco, wheat, peanut, soybean, vegetables, bamboo.
Method of application is base manure, topdress or two kinds of methods are used in conjunction with simultaneously, and mu amount of application base manure is 50～100 kilograms, and topdressing is 25～50 kilograms, can mix with Chemical Mixed Fertilizer or nitrogenous fertilizer during use and use.
Find through experiment, after using humic acid silicon calcium magnesium fertilizer of the present invention, the crop such as paddy rice and sugarcane all shows as cane and increases slightly, growth later stage top keeps dark green, lodging tolerance strengthens, and can prevent early ageing, general increasing production of rice 5%～15%, sugarcane production-increasing 5%～20%, sugar degree increases by 0.5～1.0 pol.This fertilizer of life-time service can improve soil organic matter content, reaches culture fertility, improves Soil structure, the purpose of improvement soil.
This shows, humic acid silicon calcium magnesium fertilizer of the present invention, its production cost is low, and available nutrient content and crop utilization rate are high, and environmental risk is low, and soil is with strong points, is convenient to the humic acid silicon calcium magnesium fertilizer that use in the field, can produce for farm crop and be applicable.
Embodiment:
Following examples are to further illustrate of the present invention, rather than limitation of the present invention.
Embodiment 1:
Water Quenching Slag is 15% (massfraction) through natural air drying to water content, dried Water Quenching Slag enters ball mill grinding, be ground to 80 order grades, the humic acid material that then powder and the content of humic acid of milled is 75% (massfraction) (available from Xinjiang two imperial humic acid company limited) is to mix formation mixture A at 2: 1.5 in mass ratio, add again deal in the mixture A and be 5% binding agent (wilkinite) of mixture A quality, mix, granulation on the granulation of fertilizer machine again, granulation process is pressed 15% deal of mixture A quality and is sprayed moisture, make it form granulated fertilizer, the grade of fertilizer is controlled at 2～4mm, finally by making humic acid silicon calcium magnesium fertilizer after oven dry.
Product fertilizer feature: finished product fertilizer is neutral, and PH is 7.0, nutrient content SiO
220%, CaO 20%, MgO 10% organic matter 35%, and it is granular that fertilizer is black.
The said products is repeatedly used test through 2009-2010 in the Rice Production in Shaoguan, Guangdong, test-results shows: after using humic acid silicon calcium magnesium fertilizer of the present invention, paddy rice shows as cane and increases slightly, growth later stage top keeps dark green, lodging tolerance strengthens, and can prevent early ageing, increasing production of rice 5%-15%.
The said products is used in the sugarcane production of two year of 2009-2010 at Zhanjiang, Guangdong Province, and result shows sugarcane production-increasing 5%-20%, and sugar degree increases 0.5-1.0 pol.
Embodiment 2:
Water Quenching Slag is 20% through natural air drying to water content, dried Water Quenching Slag enters ball mill grinding, be ground to 100 order grades, the humic acid material that then powder and the content of humic acid of milled is 75% (massfraction) is to mix formation mixture A at 2: 1 in mass ratio, 10% the binding agent (kaolin) that adds again mixture A quality in the mixture A mixes, granulation on the granulation of fertilizer machine again, granulation process is pressed 10% deal of mixture A quality and is sprayed moisture, make it form granulated fertilizer, the grade of fertilizer is controlled at 2～4mm, finally by making humic acid silicon calcium magnesium fertilizer after oven dry.
Product fertilizer feature: finished product fertilizer is neutral, and PH is 7.5, nutrient content SiO
222%, CaO 23%, and MgO 11%, organic matter 30%, and it is granular that fertilizer is black.
Embodiment 3:
Water Quenching Slag is 25% through natural air drying to water content, dried Water Quenching Slag enters ball mill grinding, be ground to 80 order grades, the humic acid material that then powder and the content of humic acid of milled is 80% (massfraction) is to mix formation mixture A at 2: 1.3 in mass ratio, add again 8% binding agent (wilkinite) of mixture A quality in the mixture A, mix, granulation on the granulation of fertilizer machine again, granulation process is pressed 12% deal of mixture A quality and is sprayed moisture, make it form granulated fertilizer, the grade of fertilizer is controlled at 2～4mm, finally by making humic acid silicon calcium magnesium fertilizer after oven dry.
Product fertilizer feature: finished product fertilizer is neutral, and PH is 7.5, nutrient content SiO
221%, CaO 22%, and MgO 10%, organic matter 32%, and it is granular that fertilizer is black.
Claims (3)
1. the production method of a humic acid silicon calcium magnesium fertilizer, is characterized in that, comprises the following steps:
Water Quenching Slag is 15%～25% through natural air drying to water content, dried Water Quenching Slag enters ball mill grinding, be ground to 80～100 order grades, the humic acid material that then powder and the content of humic acid of milled is 75%～80% (massfraction) is 2: 1～1.5 to mix formation mixture A in mass ratio, add again 5%～10% binding agent of mixture A quality in the mixture A, mix, granulation on the granulation of fertilizer machine again, granulation process sprays moisture in 10%～15% ratio of mixture A quality makes it form granulated fertilizer, the grade of fertilizer is controlled at 2～4mm, make humic acid silicon calcium magnesium fertilizer finally by oven dry.
2. the production method of humic acid silicon calcium magnesium fertilizer according to claim 1, is characterized in that, described binding agent is kaolin or wilkinite.
3. humic acid silicon calcium magnesium fertilizer that obtains according to the production method production of humic acid silicon calcium magnesium fertilizer claimed in claim 1.
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Families Citing this family (11)
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| CN103539512A (en) * | 2013-01-24 | 2014-01-29 | 杜新明 | Humic acid organic silicon fertilizer |
| CN103819265B (en) * | 2014-01-26 | 2016-03-09 | 微港生物科技江苏有限公司 | The special calcareous fertilisers of wheat, its preparation and method of cultivated wheat |
| CN105084996A (en) * | 2014-05-14 | 2015-11-25 | 黄庆禄 | Preparation and field operation method of ecological planting targeted fertilization drug |
| CN105924309A (en) * | 2016-04-27 | 2016-09-07 | 陈书仁 | Green composite fertilizer |
| CN105777447A (en) * | 2016-04-27 | 2016-07-20 | 陈书仁 | Green fertilizer |
| CN105948974A (en) * | 2016-04-27 | 2016-09-21 | 陈书仁 | Green fertilizer |
| CN107006356A (en) * | 2017-05-22 | 2017-08-04 | 青海顺泰农牧开发有限公司 | A kind of blast furnace granulated slag soilless culture substance and preparation method thereof |
| CN107266177A (en) * | 2017-06-28 | 2017-10-20 | 徐州沃尔地农业科技有限公司 | A kind of acidic soil conditioner and preparation method thereof |
| CN107417432B (en) * | 2017-09-21 | 2018-08-24 | 界首市众建家庭农场 | A kind of high-activity humic acid fertilizer synergist |
| CN109824435A (en) * | 2019-03-21 | 2019-05-31 | 甘肃苏地肥业有限公司 | A kind of improvement soil disease-resistant synergy fertilizer and preparation method thereof |
| CN109734482A (en) * | 2019-03-22 | 2019-05-10 | 格丰科技材料有限公司 | A kind of efficient siliceous fertilizer and preparation method thereof |
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| CN1151390A (en) * | 1996-10-14 | 1997-06-11 | 刁苓荻 | Silicon compound fertilizer and its prepn. method |
| CN1923764A (en) * | 2006-03-15 | 2007-03-07 | 岳玉友 | Silicon, calcium and magnesium fertilizer |
| CN101280193A (en) * | 2008-02-26 | 2008-10-08 | 朱庆然 | Soil conditioner and preparation thereof |
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Address after: No.13 Yulong Road, Tutang village, Changping Town, Dongguan City, Guangdong Province 523000 Patentee after: Zhongke Testing Technology Service (Dongguan) Co.,Ltd. Address before: No.13 Yulong Road, Tutang village, Changping Town, Dongguan City, Guangdong Province 523000 Patentee before: Dongguan Zhongke Testing Technology Service Co., Ltd |
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