CN102775220A - Disintegratable round-granule sulfur magnesium fertilizer and preparation method thereof - Google Patents
Disintegratable round-granule sulfur magnesium fertilizer and preparation method thereof Download PDFInfo
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- CN102775220A CN102775220A CN2012102995532A CN201210299553A CN102775220A CN 102775220 A CN102775220 A CN 102775220A CN 2012102995532 A CN2012102995532 A CN 2012102995532A CN 201210299553 A CN201210299553 A CN 201210299553A CN 102775220 A CN102775220 A CN 102775220A
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Abstract
The invention belongs to the field of agricultural fertilizers, and relates to a disintegratable round-granule sulfur magnesium fertilizer. Powdery brucite and sulfur powder are used as main raw materials, and a magnesium sulfate heptahydrate solution is used as a binding agent. The disintegratable round-granule sulfur magnesium fertilizer is prepared by granulating the following components in parts by mass: mixture of 90-95 parts of powdery brucite and 5-10 parts of sulfur as the dry material, and magnesium sulfate heptahydrate solution as the binding agent. After drying the round granules, the water content is less than or equal to 3%, the strength is greater than or equal to 2Kg/cm<2>, and the disintegration rate is greater than or equal to 95%. The magnesium sulfate heptahydrate solution is used as the binding agent to enhance the granulation rate; the 60-120 mesh powdery brucite and sulfur powder are mixed as the dry material; and granulation, screening, drying, cooling and packaging are carried out to prepare the spherical granules with the granular size of 2-4mm. The invention has the advantages of low cost, high magnesium content and high disintegration speed. The product is spherical granules, has the advantages of favorable disintegratability, uniform granularity and high strength, and can be conveniently mixed with other nitrogen-phosphorus-potassium fertilizers.
Description
Technical field
The invention belongs to the agricultural fertilizer field, particularly kieserite.
Background technology
Magnesium is the required important nutritive element of plant, and magnesium mainly is present in chlorophyll, phytochemicals and the pectin substance, and photosynthesis is played an important role, and mg ion is the acvator of plurality of enzymes, promotes that carbohydrate transforms and metabolism in the body, promotes fat and proteinic synthetic.Oil crops are executed magnesium can improve its oleaginousness, and magnesium can also promote the absorption of crop to silicon.SULPHUR POWDER is a kind of acidic cpd; Not only aspect plant nutrition, play an important role; Aspect pharmacology, also played very positive effect, not only supplied with plant nutriment, promoted to grow; On flowers and plants, forest, fruit tree, use, have sterilization anticorrosion, regulate acid-basicity, promote wound healing, prevent and treat the effect of disease.SULPHUR POWDER can prevent that flower plant from rotting because of the cutting that the mashed root that waters water excess and cause and cuttage cause, prevents that wound infection from promoting healing.SULPHUR POWDER can also prevent the Powdery Mildew of forest, melon and fruit.In accumulated water, the saline-alkali soil that hardens, apply a certain amount of SULPHUR POWDER, adjustable P in soil H value reduces saline and alkaline, promotes the normal growth of woods fruit flowers.
Tradition is used fertiliser containing magnesium, is main with brucite, magnesia unslacked, sal epsom mainly, because brucite abundant raw material, cost are low; Be widely used in crop Mg supplementation element and contain the raw material of magnesium compound fertilizer, Powdered fertiliser containing magnesium is used inconvenience, is difficult for evenly executing spilling; And easy contaminate environment; Along with the development that country surveys native formula fertilizer, the fertile use of BB gets more and more, and be urgent day by day to the needs of pellet fertiliser containing magnesium.Existing particle magnesium fertilizer technology exists Mg content low, and disintegration efficient is poor, and intensity is low, and the mellow and full degree of particle is bad, shortcomings such as production complicacy.
Summary of the invention
The objective of the invention is to overcome in the use of present fertiliser containing magnesium and contain quantity not sufficient, execute problems such as the portion of spilling is even, a kind of disintegratable pellet kieserite is provided, and raw material of the present invention is easy to get, cost is low, prescription rationally, effect is obvious; The present invention also provides the preparation method of disintegratable pellet kieserite in addition, and technology is simple, easy handling.
The present invention is achieved in that a kind of disintegratable pellet kieserite, is main raw material with powdery brucite and SULPHUR POWDER, and being equipped with MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution is sticker, carries out granulation according to following mass parts ratio and makes: 90-95 part powdery brucite; 5-10 part SULPHUR POWDER powder mix is done dry material, and MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution is made sticker and carried out granulation, makes pellet and reaches particle moisture content≤3%, intensity>=2Kg/cm through oven dry
2, disintegration rate>=95%.
Said sticker MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution, the concentration of MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 is 20-30%.
Said raw material powdery brucite adopts the brucite powder of 60-120 order, MgO mass content 64%, and SULPHUR POWDER adopts 80-120 order SULPHUR POWDER.
The said pellet kieserite that makes is the spheroidal particle of 2-4 millimeter, moisture≤3%, intensity>=2Kg/cm
2, disintegration rate>=95%, MgO mass content 57-60%, S content 5-10%.
A kind of preparation method of disintegratable pellet kieserite, the preparation process is following:
1) mixing of materials: measure raw material by proportioning raw materials, raw material is added respectively in the stirrer stirred 15-20 minute, mixing must mix dry material;
2) preparation sticker: MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 configuration concentration soluble in water is the MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution of 20-30%, subsequent use as adhesive for granulating;
3) granulation: will mix dry material and drop into pelletizing disks, adding concentration is that the MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution of 20-30% is made sticker, carries out granulation;
4) screening: cross the double-deck roller grizzly of 2mm and 4mm when having 75% above particle to reach granularity 2-4mm in the granulation dish, screening is chosen the 2-4mm particle and is got into next step; Diameter returns pelletizing disks less than the 2mm particle and continues granulation; Again granulation after diameter is pulverized greater than the 4mm particle;
5) drying: the 2-4mm particle is dropped into vibrating drier, check moisture≤3%, intensity>=2Kg/cm
2Be salable product.The product that is up to the standards is through cooling, and packing is finished product.
The disintegratable kieserite particle of manufacturing of the present invention is through making tackiness agent with MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution; Improve the granulation balling ratio; Do dry material with 60-120 purpose powdery brucite powder and SULPHUR POWDER mixing, make the spheroidal particle that granularity is the 2-4 millimeter through granulation, screening, drying, cooling and packaging step, with low cost; Mg content is high, and disintegration rate is fast.Wherein: moisture≤3%, hardness>=2Kg/cm
2, disintegration rate>=95%, disintegration rate≤1 minute.Product of the present invention is a spheroidal particle, and slaking is good, and product granularity is even, smooth surface, and intensity is high, is convenient to use with other NPK fertilizers blending.
Embodiment
Below in conjunction with specific embodiment the present invention is done further explain, but the present invention is not limited to specific embodiment.
Embodiment 1:
A kind of disintegratable pellet kieserite, by following raw material consumption and preparing method's preparation, the preparation process is following:
(1) mixing of materials: get 80 order SULPHUR POWDER 88Kg; 60 orders, MgO content 64% brucite powder 792Kg add raw material respectively in the stirrer and to stir 15-20 minute, and mixing gets powder mix;
(2) preparation sticker: it is subsequent use as adhesive for granulating that sal epsom 24Kg is dissolved in the MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution 120Kg that makes concentration 20% in the 96Kg water;
(3) granulation: powder mix is dropped into pelletizing disks, add above-mentioned MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution and make sticker, carry out granulation;
(4) screening: when 75% above grain graininess reaches 2-4mm in the granulation dish, cross the double-deck roller grizzly of 2mm and 4mm, screening is chosen 2-4mm and is got into next step, and diameter returns the granulation dish less than the 2mm particle and continues granulation, and diameter is made after pulverizing greater than the 4mm particle again;
(5) drying: the 2-4mm particle is dropped into vibrating drier, check moisture≤1%, intensity>=2 Kg/cm
2Be salable product; The product that is up to the standards is through cooling, and packing is finished product.
The assay of products obtained therefrom is: outward appearance and granularity: the 2-4mm ball-shaped; Intensity>=2 Kg/cm
2, disintegration rate>=95%, disintegration rate≤1 minute, MgO content>=57%, S content>=10%, moisture≤3%.
Embodiment 2:
A kind of disintegratable pellet kieserite, by following raw material consumption and preparing method's preparation, the preparation process is following:
(1) mixing of materials: get 80 order SULPHUR POWDER 72Kg, 60 orders, MgO content 64% brucite powder 828Kg adds raw material respectively in the stirrer and to stir 15-20 minute, and mixing gets powder mix;
(2) preparation sticker: get MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 25Kg and be dissolved in the MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 of processing concentration 25% in the 75Kg water to dissolve 100Kg liquid subsequent use as the granulation liquid phase;
(3) granulation: powder mix is dropped into pelletizing disks, add above-mentioned Adlerika and make sticker, carry out granulation;
(4) make the kieserite granulated fertilizer of disintegratable according to embodiment 1.
The assay of products obtained therefrom is: outward appearance and granularity: the 2-4mm ball-shaped; Intensity>=2 Kg/cm
2, disintegration rate>=95%, disintegration rate≤1 minute, MgO content>=58%, S content>=8, moisture≤3%.
Embodiment 3:
A kind of disintegratable pellet kieserite, by following raw material consumption and preparing method's preparation, the preparation process is following:
(1) mixing of materials: get 80 order SULPHUR POWDER 47.5Kg, 60 orders, MgO content 64% brucite powder 902.5Kg adds raw material respectively in the stirrer and to stir 15-20 minute, and mixing gets powder mix;
(2) preparation sticker: get sal epsom 24Kg and be dissolved in that to process Adlerika 80Kg in the 56Kg water subsequent use as adhesive for granulating;
(3) granulation: powder mix is dropped into pelletizing disks, add above-mentioned Adlerika and make sticker, carry out granulation;
(4) make the kieserite granulated fertilizer of disintegratable according to embodiment 1.
The assay of products obtained therefrom is: outward appearance and granularity: the 2-4mm ball-shaped; Intensity>=2 Kg/cm
2, disintegration rate>=95%, disintegration rate≤1 minute, MgO content>=60%, S content>=5, moisture≤3%.
Claims (5)
1. disintegratable pellet kieserite is characterized in that: its raw material by following mass parts than preparation: 90-95 part powdery brucite; 5-10 part SULPHUR POWDER mixes does dry material, is equipped with MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution and makees sticker, makes the 2-4mm spheroidal particle and reaches moisture content≤3%, intensity>=2Kg/cm through oven dry
2, disintegration rate>=95%.
2. a kind of disintegratable pellet kieserite according to claim 1 is characterized in that: said raw material powdery brucite adopts the brucite powder of 60-120 order, MgO mass content >=64%; SULPHUR POWDER is the 80-120 order.
3. a kind of disintegratable pellet kieserite according to claim 1, it is characterized in that: the mass concentration of said sticker MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution is 20-30%.
4. the pellet kieserite of a kind of disintegratable according to claim 1, it is characterized in that: the said particle kieserite that makes is spheroidal particle, moisture≤3%, the intensity>=2Kg/cm of 2-4 millimeter
2, disintegration rate>=95%, MgO mass content 57-60%, S content 5-10%.
5. the preparation method of the described a kind of disintegratable pellet kieserite of claim 1 is characterized in that the preparation process is following:
(1) mixing of materials: measure raw material powder shape brucite and SULPHUR POWDER by proportioning raw materials, raw material is added respectively in the stirrer stirred 15-20 minute, mixing must mix dry material;
(2) preparation sticker:, subsequent use as adhesive for granulating with the MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution that MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 configuration quality concentration soluble in water is 20-30%;
(3) granulation: will mix the dry material powder and drop into pelletizing disks, adding concentration is that the MAGNESIUM SULPHATE HEPTAHYDRATE 99.5 solution of 20-30% is made sticker, carries out granulation;
(4) screening: cross the double-deck roller grizzly of 2mm and 4mm when having 75% above particle to reach granularity 2-4mm in the granulation dish, screening is chosen the 2-4mm particle and is got into next step; Diameter returns pelletizing disks continuation granulation less than the particle of 2mm; Again granulation after diameter is pulverized greater than the 4mm particle;
(5) drying: the 2-4mm particle is dropped into vibrating drier, and check reaches moisture≤3%, intensity>=2Kg/cm
2Be salable product, the product that is up to the standards is through cooling, and packing is finished product.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446990A (en) * | 2014-11-25 | 2015-03-25 | 营口菱镁化工集团有限公司 | High-efficiency slow-release type granular magnesium sulfate and preparation method thereof |
| CN106045686A (en) * | 2016-06-02 | 2016-10-26 | 黄常平 | Humic acid fertilizer and preparation method thereof |
| CN106242766A (en) * | 2016-08-08 | 2016-12-21 | 湖北富邦科技股份有限公司 | The sulfur magnesium latex emulsion of a kind of fertilizer burn-proof and explosion prevention and manufacture method |
| CN108046903A (en) * | 2017-12-08 | 2018-05-18 | 营口菱镁化工集团有限公司 | A kind of disintegration-type fertilizer containing magnesium granules and preparation method thereof |
| CN108456050A (en) * | 2018-01-24 | 2018-08-28 | 天津水泥工业设计研究院有限公司 | A kind of pelletizing additives of the production rounded grain mineral fertilizer of low cost |
| CN111039722A (en) * | 2019-12-30 | 2020-04-21 | 中国农业大学 | Disintegrating type efficient granular magnesium sulfate fertilizer and preparation method thereof |
| US10865158B2 (en) | 2017-02-23 | 2020-12-15 | Compass Minerals América do Sul Indústria e Comércio S.A. | Granular fertilizers comprising macronutrients and micronutrients, and processes for manufacture thereof |
| CN112142516A (en) * | 2020-09-28 | 2020-12-29 | 湖北富邦科技股份有限公司 | Rapidly disintegrating sulfur granule composition and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446990A (en) * | 2014-11-25 | 2015-03-25 | 营口菱镁化工集团有限公司 | High-efficiency slow-release type granular magnesium sulfate and preparation method thereof |
| CN106045686A (en) * | 2016-06-02 | 2016-10-26 | 黄常平 | Humic acid fertilizer and preparation method thereof |
| CN106242766A (en) * | 2016-08-08 | 2016-12-21 | 湖北富邦科技股份有限公司 | The sulfur magnesium latex emulsion of a kind of fertilizer burn-proof and explosion prevention and manufacture method |
| US10865158B2 (en) | 2017-02-23 | 2020-12-15 | Compass Minerals América do Sul Indústria e Comércio S.A. | Granular fertilizers comprising macronutrients and micronutrients, and processes for manufacture thereof |
| CN108046903A (en) * | 2017-12-08 | 2018-05-18 | 营口菱镁化工集团有限公司 | A kind of disintegration-type fertilizer containing magnesium granules and preparation method thereof |
| CN108456050A (en) * | 2018-01-24 | 2018-08-28 | 天津水泥工业设计研究院有限公司 | A kind of pelletizing additives of the production rounded grain mineral fertilizer of low cost |
| CN111039722A (en) * | 2019-12-30 | 2020-04-21 | 中国农业大学 | Disintegrating type efficient granular magnesium sulfate fertilizer and preparation method thereof |
| CN112142516A (en) * | 2020-09-28 | 2020-12-29 | 湖北富邦科技股份有限公司 | Rapidly disintegrating sulfur granule composition and preparation method thereof |
| CN112142516B (en) * | 2020-09-28 | 2022-05-03 | 湖北富邦科技股份有限公司 | Rapidly disintegrating sulfur granule composition and preparation method thereof |
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Application publication date: 20121114 |