CN102285830A - Method for preparing high-tower organic-inorganic compound fertilizer - Google Patents
Method for preparing high-tower organic-inorganic compound fertilizer Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention relates to a method for preparing a high-tower organic-inorganic compound fertilizer. The method comprises the following steps of: mixing slurry, granulating, drying, cooling and sieving, in particular comprises the following steps of: adding active humic acid to urine, completely mixing, obtaining a slurry mixture, and feeding the slurry mixture into a high-tower granulator for granulating. The active humic acid is taken as a filler for the production of the high-tower compound fertilizer, thus a problem of a lower utilization rate of nitrogen can not only be solved, but also the solubility of the high-tower organic-inorganic compound fertilizer prepared by the method can be modified; in addition, the synergistic effect of the humic acid is combined with the preparation of fertilizers, thus a multifunctional, synergistic and value-added fertilizer can be developed. By utilizing two-stage mixing granulating technique, a problem that a solid-to-liquid ratio is misadjusted due to a large solid proportion when an organic-inorganic fertilizer is prepared in a high-tower production line is solved; in addition, the urine and the humic acid are mixed in a first-stage mixing tank to have chelating reaction in the preparation process, thus each internal valence bond structure is changed, a lot of stable complex substances are formed, and the slow releasing property of the urea is also beneficial to being improved.
Description
Technical field
The present invention relates to a kind of production method of composite organic-inorganic fertilizer, specifically, relate to a kind of slow release fertilizer production method that in the composite organic-inorganic fertilizer technological process, adds humic acid, poly aspartic acid.
Background technology
Domestic and international research and effect show, poly aspartic acid is as the plant nutrition absorption enhancer, be applicable to various plants and soil, being used its principal feature with chemical fertilizer shows: (1) reduces loss of chemical fertilizer, the activation nutrient element, improve chemical fertilizer utilization ratio, thereby reduce fertilizer amount 30%, increase output 10%-30%; (2) promote crop that trace elements such as iron, zinc, manganese are absorbed, the crop of using poly aspartic acid to handle, comparison exceeds 3-4 doubly according to the micro-content of crop; (3) promote crop precocious 7-10 days, prolong 10-15 days collection period; (4) promote root growth, strengthen resistance.Poly aspartic acid as fertilizer sources synergistic agent is the raw material of peptide urea, polypeptide composite fertilizer, controlled release fertilizer, can promote farm crop such as grain, vegetables, melon and fruit, flowers to nutrient absorbing.
In the market, the product that high tower prilling is produced urea-base compound fertilizer is the instantly-soluble product, and nitrogen utilization efficiency is low; Existing high tower prilling is produced in the urea-base compound fertilizer technology, additive mainly adopts Paris white, ground dolomite, zeolite powder etc., because existing additive is an insoluble substance, can not be absorbed by crop, product has insoluble sludge, and the product nutrient has been diluted in the adding of invalid components.
Summary of the invention
The production method that the purpose of this invention is to provide a kind of high tower composite organic-inorganic fertilizer solves the existing problem that the humic acid organic and inorganic compound fertilizer visual appearance is poor, the market receptance is low, product has insoluble sludge.
In order to achieve the above object by the following technical solutions: a kind of production method of high tower composite organic-inorganic fertilizer; comprise slip mixing, granulation, oven dry, cooling, screening; active humic acid is added in the urine, and behind the thorough mixing, the mixed slurry of gained is sent into the granulation of high tower prilling machine.
Active humic acid is added in the high tower one-level tempering tank, and with inflow secondary tempering tank behind the urine thorough mixing that adds, other raw material is also sent into the secondary tempering tank, and the mixed slurry of producing is sent into the granulation of high tower prilling machine.
The making method of described active humic acid is: airing brown coal humic acid material, then be crushed to 40～60 orders, and the ratio of active humic acid and carbon ammonium, water is 10: 2 then: the ammonification of (1～3) mixed stack retting, activation treatment 7～14 days.
The ratio of described active humic acid in composite fertilizer's total amount is 15～35%.
The preferred proportion of described active humic acid in composite fertilizer's total amount is 30%.
Described other raw material comprises at least a in nitrogenous fertilizer, phosphate fertilizer and the potash fertilizer.
Described other raw material comprises trace element, dyestuff, stopping composition.
Described trace element is at least a in calcium sulfate, ferric sulfate, zinc sulfate, sal epsom, copper sulfate, manganous sulfate, boric acid, borax and the ammonium molybdate; Dyestuff is cologne earth or iron oxide black; Stopping composition is a kind of in Paris white, ground dolomite or the zeolite powder.
The stopping composition that the present inventor adopts active humic acid to produce as high tower compound fertilizer, not only can solve nitrogen utilization efficiency problem on the low side, and the product solubility property is improved, and the synergistic function of humic acid combines with fertiliser production, can develop a kind of multifunctional synergistic, increment fertilizer, urine is mixed the generation chelatropic reaction with humic acid, change inner separately valence bond structure, form the complex material of a large amount of stability, help improving the slow-releasing of urea.Effect also shows humic acid to the nitrogenous fertilizer synergic: reduce nitrogen volatilization loss, promote the absorption of nitrogen, improve utilization rate of nitrogen fertilizer; Humic acid can improve the physical structure of soil, promotes the formation of a body, strengthens the soil water-reataining fertilizer-keeping ability; Humic acid can sweetening of the soil acid-basicity, the chelated mineral positively charged ion is beneficial to absorbing of root, keeps moisture at the root of crop, makes the crop root prosperity; Can reduce soil to phosphorus, potassium fixation.
Utilize two-stage mixing granulation technology, solved when the high tower production line is produced the organic-inorganic fertilizer product because the problem of the solid-to-liquid ratio imbalance that solids ratios causes greatly; By former batch mixing well heater local flow improvement is improved the heat exchange effect, make raw material moisture reach the high tower production requirement; The stopping composition that adopts active humic acid to produce as high tower compound fertilizer, the product solubility property is improved, and the synergistic function of humic acid combines with fertiliser production, can develop the high tower composite organic-inorganic fertilizer product of a kind of smooth in appearance rounding, no insoluble residue.Urine is mixed the generation chelatropic reaction with humic acid at the one-level tempering tank in the production process, changes inner separately valence bond structure, forms the complex materials of a large amount of stability, also helps improving the slow-releasing of urea.
Embodiment
For opener, below from several respects narration the present invention.Following example is to further explanation of the present invention and explanation, and the present invention is not constituted any limitation.
Embodiment 1
A kind of production method of high tower composite organic-inorganic fertilizer; comprise mixed slurry, granulation, cooling, screening; active humic acid is added in the high tower one-level tempering tank; be heated to 105～115 ℃ with the urine that adds; divide and mix back inflow secondary tempering tank, other raw material is also sent into the secondary tempering tank, and the mixed slurry of producing is sent into the granulation of high tower prilling machine; the mixed slurry of gained is sent into the granulation of high tower prilling machine as the liquid phase of compound fertilizer granulating.
The treatment process of described activation humic acid is: airing brown coal humic acid material, then be crushed to 40～60 orders, the ratio of humic acid and carbon ammonium, water is 10: 2 then: the ammonification of (1～3) mixed stack retting, and activation treatment 7～14 days, the preferred proportion of humic acid in composite fertilizer's total amount is 30%; Humic acid material is selected from high-quality brown coal, and its content of humic acid is more than 50%, and organic content is more than 60%, and generating apparatus is simple, and is with low cost, does not have " three wastes " discharging, and it is synthetic to belong to Green Chemistry, meets the production theory of Green Chemistry.
Described other raw material comprises at least a in nitrogenous fertilizer, phosphate fertilizer and the potash fertilizer, can also add trace element, dyestuff, stopping composition; Perhaps only add trace element, dyestuff, stopping composition, direct production humic acid urea product is made " organic urea ".
Described nitrogen fertilizer be urea, urea and ammonium chloride/or ammonium sulfate in a kind of; Phosphate fertilizer is monoammonium phosphate; Potash fertilizer is Repone K and/or vitriolate of tartar; Trace element is at least a in calcium sulfate, ferric sulfate, zinc sulfate, sal epsom, copper sulfate, manganous sulfate, boric acid, borax and the ammonium molybdate; Dyestuff is cologne earth or iron oxide black; Stopping composition is a kind of in Paris white, ground dolomite or the zeolite powder.
The high tower composite organic-inorganic fertilizer product that the present invention produces can be a nitrogen phosphorus potassium three elements complex fertilizer, also can be nitrogen phosphorus or binary compound fertilizer containing nitrogen and potassium material, also can be not phosphorous and urea humic acid fertilizer potassium.The inventive method can production available nutrient content 〉=25% composite fertilizer and urea humic acid fertilizer.
Embodiment 2
A kind of production method of high tower composite organic-inorganic fertilizer, according to 1 ton of charge calculation, use 0.61 ton in urea, 0.09 ton in Repone K, 0.35 ton of activated humic acid, make urine after urea metering, the fusion in the production process and send into the one-level tempering tank, activated humic acid is sent into the one-level tempering tank by the high tower lift after the batch mixing well heater is removed moisture, metering, urine-activated humic acid that the one-level tempering tank is made is mixed into the secondary tempering tank; The metering of Repone K raw material is sent into the secondary tempering tank after another high tower lift is delivered on the tower.The mixed slurry of making enters tablets press, enters the prilling tower cooling through nozzle specially used sprinkling and granulates, and granule materials obtains qualified product through overcooling, screening, anti-caking after handling, and fine powder and macrobead after the screening return in the tempering tank as returning charge.This product is a black particle shape high tower composite organic-inorganic fertilizer, and it contains total nitrogen 28%, K
2O5%, organic matter 20%, moisture 0.85%, granule strength 17.4N.
Embodiment 3
A kind of production method of high tower composite organic-inorganic fertilizer, according to 1 ton of charge calculation, use 0.33 ton in 0.52 ton in urea, 0.12 ton of monoammonium phosphate, 0.08 ton in Repone K, active humic acid (give money as a gift material 0.28 ton), make urine after urea metering, the fusion in the production process and send into the one-level tempering tank, humic acids is sent into the one-level tempering tank by the high tower lift after the batch mixing well heater is removed moisture, metering, the urine that the one-level tempering tank is made-humic acids slip enters the secondary tempering tank; Monoammonium phosphate, Repone K raw material are delivered on the tower through another high tower lift, send into the secondary tempering tank.The mixed slurry of making enters tablets press, enters the prilling tower cooling through nozzle specially used sprinkling and granulates, and granule materials obtains qualified product through overcooling, screening, anti-caking after handling, and fine powder and macrobead after the screening return in the tempering tank as returning charge.This product is a black particle shape high tower composite organic-inorganic fertilizer, and it contains total nitrogen 25%, P
2O
55%, K
2O5%, organic matter 20%, moisture 0.85%, granule strength 17.2N.
Embodiment 4
A kind of production method of humic acid type high tower compound fertilizer, total amount is according to 1 ton of calculating, use 0.04 ton of 0.18 ton in 0.49 ton in urea, 0.23 ton of monoammonium phosphate, 0.09 ton in Repone K, humic acid (give money as a gift material 0.15 ton), Paris white, make urine after urea metering, the fusion in the production process and send into the one-level tempering tank, humic acids is sent into the one-level tempering tank by the high tower lift after the batch mixing well heater is removed moisture, metering, the urine that the one-level tempering tank is made-humic acids slip enters the secondary tempering tank; Monoammonium phosphate, Repone K, the metering of Paris white raw material, mixing are sent into the secondary tempering tank after another high tower lift is delivered on the tower.The mixed slurry of making enters tablets press, enters the prilling tower cooling through nozzle specially used sprinkling and granulates, and granule materials obtains qualified product through overcooling, screening, anti-caking after handling, and fine powder and macrobead after the screening return in the tempering tank as returning charge.This product is a black particle shape high tower composite organic-inorganic fertilizer, and it contains total nitrogen 25%, P
2O
510%, K
2O5%, organic matter 10%, moisture 0.85%, granule strength 15.2N.
Embodiment 5
A kind of production method of organic urea, according to 1 ton of charge calculation, use 0.01 ton in 0.35 ton in 0.7 ton in urea, humic acid (give money as a gift material 0.3 ton), zinc sulfate, in the production process, make urine after urea metering, the fusion and send into the one-level tempering tank, zinc sulfate is sent into the urine dashpot after metering, sends into the one-level tempering tank simultaneously with urine; Humic acids is sent into the one-level tempering tank by the high tower lift after the batch mixing well heater is removed moisture, metering, the urine that the one-level tempering tank is made-humic acids slip enters the secondary tempering tank; The mixed slurry of making directly enters tablets press then, enters the prilling tower cooling through nozzle specially used sprinkling and granulates, and granule materials obtains qualified product through overcooling, screening, anti-caking after handling, and fine powder and macrobead after the screening return in the tempering tank as returning charge.This product is a black particle shape high tower organic urea product, and it contains total nitrogen 32%, organic matter 20%, contains zinc 0.23%, moisture 0.85%, and granule strength 16.8N is a kind of zinciferous organic urea product that contains, and can be used for corn and imposes special-purpose fertile.
Embodiment 6
A kind of production method of humic acid type high tower compound fertilizer, total amount is according to 1 ton of calculating, use 0.19 ton in 0.4 ton in urea, 0.14 ton of monoammonium phosphate, 0.3 ton in Repone K, humic acid (give money as a gift material 0.16 ton), make urine after urea metering, the fusion in the production process and send into the one-level tempering tank, humic acids is sent into the one-level tempering tank by the high tower lift after the batch mixing well heater is removed moisture, metering, the urine that the one-level tempering tank is made-humic acids slip enters the secondary tempering tank; Monoammonium phosphate, the metering of Repone K raw material, mixing are sent into the secondary tempering tank after another high tower lift is delivered on the tower.The mixed slurry of making enters tablets press, enters the prilling tower cooling through nozzle specially used sprinkling and granulates, and granule materials obtains qualified product through overcooling, screening, anti-caking after handling, and fine powder and macrobead after the screening return in the tempering tank as returning charge.This product is a black particle shape high tower composite organic-inorganic fertilizer, and it contains total nitrogen 20%, P
2O
56%, K
2O18%, organic matter 10%, moisture 0.85%, granule strength 16.8N.
Embodiment 7
A kind of production method that contains the humic acid type high tower compound fertilizer of nitric nitrogen, a kind of production method of humic acid type high tower compound fertilizer, total amount is according to 1 ton of calculating, use 0.15 ton in 0.59 ton in urea, 0.12 ton of monoammonium phosphate, 0.06 ton in Repone K, 0.1 ton in two water nitrocalcite, humic acid (give money as a gift material 0.11 ton), make urine after urea metering, the fusion in the production process and send into the one-level tempering tank, humic acids is sent into the one-level tempering tank by the high tower lift after the batch mixing well heater is removed moisture, metering, the urine that the one-level tempering tank is made-humic acids slip enters the secondary tempering tank; Monoammonium phosphate, Repone K, the metering of two water nitrocalcite raw materials, mixing are sent into the secondary tempering tank after another high tower lift is delivered on the tower.The mixed slurry of making enters tablets press, enters the prilling tower cooling through nozzle specially used sprinkling and granulates, and granule materials obtains qualified product through overcooling, screening, anti-caking after handling, and fine powder and macrobead after the screening return in the tempering tank as returning charge.This product is a black particle shape humic acid type high tower compound fertilizer, and it contains total nitrogen 30%, P
2O
55%, K
2O5%, organic matter 8%, nitric nitrogen 1.5%, moisture 1.25%, granule strength 19.2N.
Claims (8)
1. the production method of a high tower composite organic-inorganic fertilizer comprises slip mixing, granulation, oven dry, cooling, screening, it is characterized in that: active humic acid is added in the urine, and behind the thorough mixing, the mixed slurry of gained is sent into the granulation of high tower prilling machine.
2. the production method of high tower composite organic-inorganic fertilizer according to claim 1; it is characterized in that: active humic acid is added in the high tower one-level tempering tank; with inflow secondary tempering tank behind the urine thorough mixing that adds; other raw material is also sent into the secondary tempering tank, and the mixed slurry of producing is sent into the granulation of high tower prilling machine.
3. the production method of high tower composite organic-inorganic fertilizer according to claim 1 and 2, it is characterized in that: the making method of described active humic acid is: airing brown coal humic acid material, then be crushed to 40～60 orders, the ratio of active humic acid and carbon ammonium, water is 10: 2 then: the ammonification of (1～3) mixed stack retting, activation treatment 7～14 days.
4. the production method of high tower composite organic-inorganic fertilizer according to claim 1 and 2 is characterized in that: the ratio of described active humic acid in composite fertilizer's total amount is 15～35%.
5. the production method of high tower composite organic-inorganic fertilizer according to claim 4 is characterized in that: the preferred proportion of described active humic acid in composite fertilizer's total amount is 30%.
6. the production method of high tower composite organic-inorganic fertilizer according to claim 1 is characterized in that: described other raw material comprises at least a in nitrogenous fertilizer, phosphate fertilizer and the potash fertilizer.
7. according to the production method of claim 1 or 6 described high tower composite organic-inorganic fertilizers, it is characterized in that: described other raw material comprises trace element, dyestuff, stopping composition.
8. the production method of high tower composite organic-inorganic fertilizer according to claim 7 is characterized in that: described trace element is at least a in calcium sulfate, ferric sulfate, zinc sulfate, sal epsom, copper sulfate, manganous sulfate, boric acid, borax and the ammonium molybdate; Dyestuff is cologne earth or iron oxide black; Stopping composition is a kind of in Paris white, ground dolomite or the zeolite powder.
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Cited By (22)
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|---|---|---|---|---|
| CN102731198A (en) * | 2012-05-28 | 2012-10-17 | 徐州市芭田生态有限公司 | Method for producing organic-inorganic compound fertilizer by using high tower melting granulation process |
| CN102786366A (en) * | 2012-07-26 | 2012-11-21 | 徐州市芭田生态有限公司 | Endoplasmic slow release composite fertilizer and its preparation method |
| CN103044154A (en) * | 2013-01-21 | 2013-04-17 | 山东普金肥料有限公司 | Humic acid long-acting compound fertilizer and preparation method thereof |
| CN103121883A (en) * | 2013-01-21 | 2013-05-29 | 山东普金肥料有限公司 | Production method of decayed urea chelated fertilizer |
| CN103387442A (en) * | 2012-05-09 | 2013-11-13 | 习水县同心中药材有限责任公司 | Professional sustained-release fertilizer for honeysuckle flower |
| CN104016756A (en) * | 2014-05-07 | 2014-09-03 | 广西地源之本肥业有限公司 | Spraying granulation process of compound fertilizer containing organic matters |
| CN104016757A (en) * | 2014-05-07 | 2014-09-03 | 广西地源之本肥业有限公司 | Spraying granulation method of sulfur-based inorganic-organic compound fertilizer |
| CN104311365A (en) * | 2014-10-16 | 2015-01-28 | 山东普金肥料有限公司 | Humic acid composite fertilizer prepared by process of three-level complexing and high tower and production method thereof |
| CN104892296A (en) * | 2014-03-06 | 2015-09-09 | 中国农业科学院农业资源与农业区划研究所 | Organic-inorganic composite fertilizer with acid adjusting function, and preparation method thereof |
| CN105330465A (en) * | 2015-08-07 | 2016-02-17 | 谭钧 | Process for preparing urea humate |
| CN105418323A (en) * | 2015-12-21 | 2016-03-23 | 安徽中元化肥股份有限公司 | Production method of humic acid synergistic active compound fertilizer |
| CN106008003A (en) * | 2016-05-31 | 2016-10-12 | 史丹利化肥扶余有限公司 | High tower granulation produced high concentration compound fertilizer and production method thereof |
| CN106064995A (en) * | 2016-06-07 | 2016-11-02 | 湖北丰益肥业有限公司 | Folium Artemisiae Argyi organic-inorganic compound fertilizer special |
| CN106518528A (en) * | 2016-11-09 | 2017-03-22 | 史丹利化肥定西有限公司 | Potassium phytate-containing special fertilizer for potatoes and preparation method of fertilizer |
| CN107935786A (en) * | 2017-12-29 | 2018-04-20 | 广东拉多美化肥有限公司 | A kind of preparation method of humic acid Si composite fertilizer |
| CN108164359A (en) * | 2017-12-29 | 2018-06-15 | 广东拉多美化肥有限公司 | A kind of humic acid Si composite fertilizer and preparation method thereof |
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| CN103387442A (en) * | 2012-05-09 | 2013-11-13 | 习水县同心中药材有限责任公司 | Professional sustained-release fertilizer for honeysuckle flower |
| CN102731198A (en) * | 2012-05-28 | 2012-10-17 | 徐州市芭田生态有限公司 | Method for producing organic-inorganic compound fertilizer by using high tower melting granulation process |
| CN102786366A (en) * | 2012-07-26 | 2012-11-21 | 徐州市芭田生态有限公司 | Endoplasmic slow release composite fertilizer and its preparation method |
| CN102786366B (en) * | 2012-07-26 | 2015-05-13 | 徐州市芭田生态有限公司 | Endoplasmic slow release composite fertilizer and its preparation method |
| CN103044154A (en) * | 2013-01-21 | 2013-04-17 | 山东普金肥料有限公司 | Humic acid long-acting compound fertilizer and preparation method thereof |
| CN103121883A (en) * | 2013-01-21 | 2013-05-29 | 山东普金肥料有限公司 | Production method of decayed urea chelated fertilizer |
| CN103121883B (en) * | 2013-01-21 | 2014-07-09 | 山东普金肥料有限公司 | Production method of decayed urea chelated fertilizer |
| CN104892296A (en) * | 2014-03-06 | 2015-09-09 | 中国农业科学院农业资源与农业区划研究所 | Organic-inorganic composite fertilizer with acid adjusting function, and preparation method thereof |
| CN104016756A (en) * | 2014-05-07 | 2014-09-03 | 广西地源之本肥业有限公司 | Spraying granulation process of compound fertilizer containing organic matters |
| CN104016757A (en) * | 2014-05-07 | 2014-09-03 | 广西地源之本肥业有限公司 | Spraying granulation method of sulfur-based inorganic-organic compound fertilizer |
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