CN1657507A - Phosphorus potassium silicon magnesium multi-element-mineral fertilizer and its production method - Google Patents
Phosphorus potassium silicon magnesium multi-element-mineral fertilizer and its production method Download PDFInfo
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Abstract
A multi-element mineral fertilizer is prepared proportionally from K contained rock, phosphorus ore, SiO2, cosolvent, magnesium oxide, calcium oxide and coke through breaking, proportional mixing, calcining at 1400 deg.C for 3-4 hr, quenching the molten material in water, filtering and ball grinding. It contains P, K, S, Ca, Mg, etc.
Description
Technical field
The invention belongs to the chemical fertilizer field, relate in particular to a kind of phosphorus potassium silicon magnesium multi-element-mineral fertilizer, also relate to its production method simultaneously.
Background technology
Nitrogen, phosphorus, potassium are three big main nutrient elements of crop growth, and the ratio that general crop need be executed nitrogen, phosphorus, potassium is 1: 0.45: 0.35, and the actual ratio of using of China is 1: 0.3: 0.12..Soil monitoring information according to Ministry of Agriculture's issue in 1997, potassium element in the soil of the whole nation, annual speed with 2PPm descends, so proposed benefit potassium engineering in China, the generation of above-mentioned situation, China's potassium resource that results from is burst weary, the annual a large amount of foreign exchange import chemistry of consumption potash fertilizer, the also difficult demand that satisfies agriculture production of needing.
In view of the deficiency of China's soluble potassium resource, how effectively development and use have now found that the potassium bearing rock that is distributed throughout the country, and alleviate the problem of agriculture severe potassium deficiency.For many years, many investigators do a lot of work, and have developed the product of a kind of " silico-calcium potash fertilizer " by name, its potassium oxide content is generally 4-5%, yet, as a kind of fertilizer of using separately, oxygen divides the less amount of application of unit very few, causes sales range to be restricted.Simultaneously also can't prepare the composite fertilizer that meets the national regulation index, give further to apply and brought the difficulty that is difficult for going beyond.
Potassium bearing rock mainly is made up of feldspar, illite and hydromica, and Chemical Composition is potassic pure aluminium silicate, and its mine capacity is big, and can have an opencast mining of, but contained potassium element can not absorb by crop, is in idle state for a long time always.
Summary of the invention
The objective of the invention is to overcome above-mentioned shortcoming and provide a kind of cheap, method is simple, develops the phosphorus potassium silicon magnesium multi-element-mineral fertilizer of potassium bearing rock effectively.
Purpose of the present invention and solve its technical problem underlying and realize by the following technical solutions:
A kind of phosphorus potassium silicon magnesium multi-element-mineral fertilizer of the present invention, its raw material is composed as follows:
Potassium bearing rock: potassium oxide content is more than 10%;
Rock Phosphate (72Min BPL): phosphorus pentoxide content more than 25%, the content of silicon-dioxide is less than 20%;
Solubility promoter: content of magnesia is more than 19%, and the content of calcium oxide is more than 29%;
Coke: thermal value is more than 7500 cards;
The consumption formula of potassium bearing rock, Rock Phosphate (72Min BPL), solubility promoter is:
R=(∑ calcium oxide consumption/56+ ∑ magnesium oxide consumption/40+ ∑ potassium oxide consumption/94-∑ Vanadium Pentoxide in FLAKES consumption/142)/∑ silicon-dioxide consumption/60
In the formula: R is 0.9-1
∑ calcium oxide consumption is the calcium oxide sum of whole raw materials, ∑ magnesium oxide consumption is the content of magnesia sum of whole raw materials, ∑ potassium oxide consumption is the potassium oxide content sum of whole raw materials, ∑ Vanadium Pentoxide in FLAKES consumption is the phosphorus pentoxide content sum of whole raw materials, and ∑ silicon-dioxide consumption is the dioxide-containing silica sum of whole raw materials;
The weight of coke is the 20-25% of raw material total amount.
Above-mentioned a kind of phosphorus potassium silicon magnesium multi-element-mineral fertilizer, wherein solubility promoter is rhombspar or serpentine; Potassium bearing rock mainly is made up of feldspar, illite and hydromica, and its Chemical Composition is potassic pure aluminium silicate.
Above-mentioned a kind of phosphorus potassium silicon magnesium multi-element-mineral fertilizer, available state Vanadium Pentoxide in FLAKES 〉=12% wherein, the available state potassium oxide is 〉=4%, available state silicon-dioxide 〉=20%, available state calcium oxide 〉=20%, available state magnesium oxide 〉=3%.
The production method of phosphorus potassium silicon magnesium multi-element-mineral fertilizer of the present invention comprises the steps:
(1) fragmentation: potassium bearing rock is broken for 50-80mm, and Rock Phosphate (72Min BPL) is broken for 60-70mm, rhombspar or serpentine 40-60mm, and coke is broken for 20-100mm;
(2) raw material metering: according to the Chemical Composition content of surplus basicity R and potassium bearing rock, Rock Phosphate (72Min BPL), solubility promoter, calculate the weight of potassium rock, Rock Phosphate (72Min BPL), solubility promoter, the weight of coke is the 20-25% of raw material total amount;
(3) when furnace temperature rises to more than 1400 ℃, coke, solubility promoter, Rock Phosphate (72Min BPL), potassium bearing rock are poured in the feed bin in proper order, be fed into stove immediately, after 3-4 hour, melt flows out from the discharge port of blast furnace;
(4) melt is after shrend, and towards material-output tank, filter is done with water, and ball milling is to about 100 orders, and packing gets product.
The present invention compared with prior art has tangible advantage and beneficial effect, by above technical scheme as can be known, advantage of the present invention is as follows: because the processing unit that is adopted is identical with fused(calcium magnesium)phosphate, thereby technology maturation, can be the newly-increased a kind of reserve product of the producer that produces fused(calcium magnesium)phosphate, both kept the intension of fused(calcium magnesium)phosphate, increased potassium element again, can be the innovation of a kind of fused(calcium magnesium)phosphate production and use, for fertilizer industry provides new fertilizer kind for farm crop multiple nutritive components more; For potassium bearing rock is in the approach that idle state provides a solution for a long time always, because potassium bearing rock is cheap, thereby its cost is lower than fused(calcium magnesium)phosphate, has also solved simultaneously to be mountain area surplus labor's the problem of employment, and the chance of shaking off poverty and setting out on the road to prosperity is provided.
Embodiment
Embodiment 1:
(1) fragmentation: the potassium bearing rock that choose potassium oxide content and be 10%, dioxide-containing silica is 48% feldspar and illite is formed; Phosphorus pentoxide content is 32%, dioxide-containing silica is 15%, calcium oxide content is 39% Rock Phosphate (72Min BPL); Content of magnesia is 19%, calcium oxide content is 28% rhombspar; Thermal value is the above coke of 7500 cards.
Potassium bearing rock is broken for 50-80mm, and Rock Phosphate (72Min BPL) is broken for 60-70mm, rhombspar 40-60mm, and coke is broken for 20-100mm;
(2) raw material metering: take by weighing Rock Phosphate (72Min BPL) 470kg, potassium bearing rock 530kg, rhombspar 200kg, R is 0.92, the weight 265kg of coke.
(3) when furnace temperature rises to more than 1400 ℃, coke, solubility promoter, Rock Phosphate (72Min BPL), potassium bearing rock are poured in the feed bin in proper order, be fed into stove immediately, after 3-4 hour, melt flows out from the discharge port of blast furnace;
(4) melt is after shrend, and towards material-output tank, filter is done with water, ball milling to about 100 orders, the packing 1050kg that gets product.
After testing: the available state Vanadium Pentoxide in FLAKES is 12.9% in the finished product, and the available state potassium oxide is 4.29%, available state silicon-dioxide 〉=20%, available state calcium oxide 〉=20%, available state magnesium oxide 〉=3%.
Embodiment 2:
(1) fragmentation: choose potassium oxide content and be 11%, dioxide-containing silica is 50% potassium bearing rock; Phosphorus pentoxide content is 28%, dioxide-containing silica is 17%, calcium oxide content is 36% Rock Phosphate (72Min BPL); Content of magnesia is 20%, calcium oxide content is 29% rhombspar; Thermal value is the above coke of 7500 cards.
Potassium bearing rock is broken for 50-80mm, and Rock Phosphate (72Min BPL) is broken for 60-70mm, rhombspar 40-60mm, and coke is broken for 20-100mm;
(2) raw material metering: take by weighing Rock Phosphate (72Min BPL) 520kg, potassium bearing rock 480kg, rhombspar 200kg, R is 0.9, the weight 260kg of coke.
(3) when furnace temperature rises to more than 1400 ℃, coke, solubility promoter, Rock Phosphate (72Min BPL), potassium bearing rock are poured in the feed bin in proper order, be fed into stove immediately, after 3-4 hour, melt flows out from the discharge port of blast furnace;
(4) melt is after shrend, and towards material-output tank, filter is done with water, ball milling to about 100 orders, the packing 1000kg that gets product.
After testing: the available state Vanadium Pentoxide in FLAKES is 12.5% in the finished product, and the available state potassium oxide is 4.27%, available state silicon-dioxide 〉=20%, available state calcium oxide 〉=20%, available state magnesium oxide 〉=3%.
Embodiment 3:
(1) fragmentation: choose potassium oxide content and be 12%, dioxide-containing silica is 55% potassium bearing rock; Phosphorus pentoxide content is 26%, dioxide-containing silica is 19%, calcium oxide content is 33% Rock Phosphate (72Min BPL); Content of magnesia is 19%, calcium oxide content is 30% rhombspar; Thermal value is the above coke of 7500 cards.
Potassium bearing rock is broken for 50-80mm, and Rock Phosphate (72Min BPL) is broken for 60-70mm, rhombspar 40-60mm, and coke is broken for 20-100mm;
(2) raw material metering: take by weighing Rock Phosphate (72Min BPL) 550kg, potassium bearing rock 450kg, rhombspar 200kg, R is 1, the weight 260kg of coke.
(3) when furnace temperature rises to more than 1400 ℃, coke, solubility promoter, Rock Phosphate (72Min BPL), potassium bearing rock are poured in the feed bin in proper order, be fed into stove immediately, after 3-4 hour, melt flows out from the discharge port of blast furnace;
(4) melt is after shrend, and towards material-output tank, filter is done with water, ball milling to about 100 orders, the packing 1000kg that gets product.
After testing: the available state Vanadium Pentoxide in FLAKES is 12.3% in the finished product, and the available state potassium oxide is 4.27%, available state silicon-dioxide 〉=20%, available state calcium oxide 〉=20%, available state magnesium oxide 〉=3%.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (5)
1, a kind of phosphorus potassium silicon magnesium multi-element-mineral fertilizer, its raw material is composed as follows:
Potassium bearing rock: potassium oxide content is more than 10%;
Rock Phosphate (72Min BPL): phosphorus pentoxide content more than 25%, the content of silicon-dioxide is less than 20%;
Solubility promoter: content of magnesia is more than 19%, and the content of calcium oxide is more than 29%;
Coke: thermal value is more than 7500 cards;
The consumption formula of potassium bearing rock, Rock Phosphate (72Min BPL), solubility promoter is:
R=(∑ calcium oxide consumption/56+ ∑ magnesium oxide consumption/40+ ∑ potassium oxide consumption/94-∑ Vanadium Pentoxide in FLAKES consumption/142)/∑ silicon-dioxide consumption/60
In the formula: R is 0.9-1
∑ calcium oxide consumption is the calcium oxide sum of whole raw materials, ∑ magnesium oxide consumption is the content of magnesia sum of whole raw materials, ∑ potassium oxide consumption is the potassium oxide content sum of whole raw materials, ∑ Vanadium Pentoxide in FLAKES consumption is the phosphorus pentoxide content sum of whole raw materials, and ∑ silicon-dioxide consumption is the dioxide-containing silica sum of whole raw materials;
The weight of coke is the 20-25% of raw material total amount.
2, phosphorus potassium silicon magnesium multi-element-mineral fertilizer as claimed in claim 1, wherein solubility promoter is rhombspar or serpentine.
3, phosphorus potassium silicon magnesium multi-element-mineral fertilizer as claimed in claim 1, wherein potassium bearing rock mainly is made up of feldspar, illite and hydromica, and its Chemical Composition is potassic pure aluminium silicate.
4, as claim 1 to 3 phosphorus potassium silicon magnesium multi-element-mineral fertilizer, available state Vanadium Pentoxide in FLAKES 〉=12% wherein, the available state potassium oxide is 〉=4%, available state silicon-dioxide 〉=20%, available state calcium oxide 〉=20%, available state magnesium oxide 〉=3%.
5, a kind of production method of phosphorus potassium silicon magnesium multi-element-mineral fertilizer comprises the steps:
(1) fragmentation: potassium bearing rock is broken for 50-80mm, and Rock Phosphate (72Min BPL) is broken for 60-70mm, rhombspar or serpentine 40-60mm, and coke is broken for 20-100mm;
(2) raw material metering: according to the Chemical Composition content of surplus basicity R and potassium bearing rock, Rock Phosphate (72Min BPL), solubility promoter, calculate the weight of potassium rock, Rock Phosphate (72Min BPL), solubility promoter, the weight of coke is the 20-25% of raw material total amount;
(3) when furnace temperature rises to more than 1400 ℃, coke, solubility promoter, Rock Phosphate (72Min BPL), potassium bearing rock are poured in the feed bin in proper order, be fed into stove immediately, after 3-4 hour, melt flows out from the discharge port of blast furnace;
(4) melt is after shrend, and towards material-output tank, filter is done with water, and ball milling is to about 100 orders, and packing gets product.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293797B (en) * | 2007-04-29 | 2012-02-22 | 兰州大学 | Calcium magnesium phosphor potassium fertilizer particle balling preparation technique |
| CN102517445A (en) * | 2012-01-12 | 2012-06-27 | 新疆世全黄金矿业股份有限公司 | Method for extracting minerals from olivine-serpentine ore |
| CN103183572A (en) * | 2013-03-20 | 2013-07-03 | 中国农业大学 | Fertilizer used for acidizing soil |
| CN103641516A (en) * | 2013-12-04 | 2014-03-19 | 宣威市恒邦磷化工业有限公司 | Method for realizing smelting of fertilizer and iron in same furnace through calcium-magnesium blast furnace |
| CN104725163A (en) * | 2015-03-18 | 2015-06-24 | 陈广田 | Illite compound fertilizer |
| CN105036845A (en) * | 2015-06-30 | 2015-11-11 | 贵州省瓮安兴农磷化工有限责任公司 | Ca, Mg, Si and P multiple-effect fertilizer and preparation method thereof |
| CN105294315A (en) * | 2015-12-02 | 2016-02-03 | 克什克腾旗兴农生态农业科技有限公司 | Mineral sheep manure organic fertilizer and preparation method thereof |
-
2005
- 2005-02-06 CN CN 200510003010 patent/CN1279005C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293797B (en) * | 2007-04-29 | 2012-02-22 | 兰州大学 | Calcium magnesium phosphor potassium fertilizer particle balling preparation technique |
| CN102517445A (en) * | 2012-01-12 | 2012-06-27 | 新疆世全黄金矿业股份有限公司 | Method for extracting minerals from olivine-serpentine ore |
| CN103183572A (en) * | 2013-03-20 | 2013-07-03 | 中国农业大学 | Fertilizer used for acidizing soil |
| CN103183572B (en) * | 2013-03-20 | 2014-12-17 | 中国农业大学 | Fertilizer used for acidizing soil |
| CN103641516A (en) * | 2013-12-04 | 2014-03-19 | 宣威市恒邦磷化工业有限公司 | Method for realizing smelting of fertilizer and iron in same furnace through calcium-magnesium blast furnace |
| CN103641516B (en) * | 2013-12-04 | 2016-01-20 | 宣威市恒邦磷化工业有限公司 | Calcium magnesium blast furnace realizes fertilizer, iron with stove smelting process |
| CN104725163A (en) * | 2015-03-18 | 2015-06-24 | 陈广田 | Illite compound fertilizer |
| CN104725163B (en) * | 2015-03-18 | 2017-08-08 | 陈广田 | A kind of illite compound fertilizer |
| CN105036845A (en) * | 2015-06-30 | 2015-11-11 | 贵州省瓮安兴农磷化工有限责任公司 | Ca, Mg, Si and P multiple-effect fertilizer and preparation method thereof |
| CN105294315A (en) * | 2015-12-02 | 2016-02-03 | 克什克腾旗兴农生态农业科技有限公司 | Mineral sheep manure organic fertilizer and preparation method thereof |
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