CN109734482A - A kind of efficient siliceous fertilizer and preparation method thereof - Google Patents
A kind of efficient siliceous fertilizer and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of efficient siliceous fertilizers and preparation method thereof, including following weight percent raw material: perlite 75%-92%, lithium metaborate 4%-8% and lithium carbonate 4%-17%.Compared with prior art, siliceous fertilizer of the present invention is perlite using main production raw material, and perlite is that a kind of amorphous silica content is high, and silicon oxygen bond is relatively weak, from a wealth of sources, the mineral of rich reserves, and cheap, and when manufacturing is nontoxic；It is relatively simple that the present invention manufactures siliceous fertilizer technique；Cost is relatively low, and by preparation process of the present invention by repeatedly activation, the siliceous fertilizer of production has the features such as element silicon is soluble high in farmland, and crops absorbability is high.
Description
Technical field
The invention belongs to method for making silicon fertilizer, and in particular to using perlite be main raw material(s) production efficient siliceous fertilizer and
Preparation method.
Background technique
Nature, the earth's crust, silicon is essential element in soil, but the overwhelming majority is all with stable silicon oxygen crystal habit shape
It is indissoluble existing for formula, so can not be absorbed by plants, but silicon is the important element of plant growth, element silicon is to plant
There is following effect:
1, rice can be improved to bacterial leaf-blight, flax leaf spot, banded sclerotial blight, powdery mildew and rice leaf roller and planthopper in silicon
Resistance.For element silicon to powdery mildew of cucumber, pythium spp, muskmelon rouge and powder disease and wheat powdery mildew etc. have certain defence to make
With.
2, element silicon also has the transpiration for improving crop drought resistance, can inhibit plant internal water, improves efficiency of water application, silicon
The effects of chloroplaset in plant cell increases, basal granule increases, the photosynthesis rate of crop can be improved.
3, silicon can make that crop stem is straight, lodging tolerance can be improved 80% or so；Can with the phosphorus in activating soil, and
Promote phosphorus in the intracorporal operating of crop, improves the limited utilization rate of phosphorus；And soil can be effectively improved, the acidity of soil is corrected, is mentioned
High soil alkali promotes organic fertilizer to decompose, and inhibits soil germ.
Projected market is annual 60000000 tons to siliceous fertilizer demand, and siliceous fertilizer is just gradually becoming the 4th after nitrogen, phosphorus, potassium
Big element fertilizer.With going deep into for siliceous fertilizer product and application study, using the expansion of crop range, one kind is easy to be inhaled by crops
The huge market demand will be had by receiving siliceous fertilizer product.
Lack a kind of soluble high, being easy to be absorbed by crops and moderate siliceous fertilizer currently on the market.
Summary of the invention
The purpose of the present invention is to provide a kind of efficient siliceous fertilizers, the use of main production raw material are perlite, cooperate carbonic acid
Lithium and lithium metaborate, from a wealth of sources, cost is relatively low, and element silicon is soluble high in farmland, and crops absorbability is high.
Another object of the present invention is to provide a kind of preparation methods of efficient siliceous fertilizer, and technique is relatively simple, at low cost.
Specific technical solution of the present invention is as follows:
A kind of efficient siliceous fertilizer, including following weight percent raw material:
Perlite 75%-92%
Lithium metaborate 4%-8%
Lithium carbonate 4%-17%.
It is -250 mesh of 200 mesh that the crushed crude pearlite, which is broken to fineness,；
It is -250 mesh of 200 mesh that the lithium metaborate, which is crushed to fineness,；
It is -400 mesh of 325 mesh that the lithium carbonate, which is crushed to fineness,.
A kind of preparation method of efficient siliceous fertilizer provided by the invention, comprising the following steps:
1) perlite 75%-92%, lithium metaborate 4%-8%, lithium carbonate 4%-17% are mixed according to weight percent
It closes；
2) step 1) mixed material is subjected to high-temperature activation；
3) by the one second time of material after step 2) high-temperature activation to be built in cold water, chilling activation is carried out；
4) by the cooling system abrading-ball of step 3), slurry is obtained；
5) slurry of step 4) preparation is dry.
High-temperature activation described in step 2) specifically: put into step 1) mixed material in preparing ceramic clinker kiln, with fusing
The form of high-temp liquid activates, and controls 900-1000 DEG C of temperature, fusing time 20-30 minutes.
Further, the pH value of cold water described in step 3) is between 2-4；Preferably, the pH of cold water is adjusted with hydrochloric acid.
Further, the quality of cold water described in step 3) is 3-5 times of activated material quality.
2-15 DEG C of cold water temperature described in step 3).
Step 4) specifically: step 3) water after cooling and the activated frit of chilling are put into ball mill ball together
Mill, 10-12 hours ball millings of Ball-milling Time are at the slurry for passing through 400 mesh screens；
Step 5) the drying specifically: drying temperature is 150-180 DEG C, drying time 1-2 hour.
In raw material of the present invention, it is flux that perlite, which mainly provides silicon, lithium metaborate and lithium carbonate, makes perlite certain high
It is melted in liquid under temperature, so that the crystal for keeping silicon stable becomes unstable state, becomes soluble silicon state, becomes to be easy to be planted
The state that object absorbs.Design repeatedly activation: it is melted in liquid under step 2) high temperature, so that the crystal for keeping silicon stable becomes unstable
State makes to become soluble silicon state.Step 3) is because if will become stable crystalline solid in the case of slow cooling, from being not achieved
Element silicon becomes solvable state, and chilling situation then will not, and cold water is acidity, and material is easy to become in chilling
At solvable, eventually arrive at be absorbed by plants, pest-resistant disease, volume increase effect.Material is ground into fine particle and is easier by step 4)
It is absorbed by plants.
Compared with prior art, siliceous fertilizer of the present invention is perlite using main production raw material, and perlite is a kind of amorphous
State silica content is high, and silicon oxygen bond is relatively weak, from a wealth of sources, the mineral of rich reserves, and cheap, when the manufacturing
It is nontoxic；It is relatively simple that the present invention manufactures siliceous fertilizer technique；Cost is relatively low, by preparation process of the present invention by repeatedly activating,
The siliceous fertilizer of production has the features such as element silicon is soluble high in farmland, and crops absorbability is high.
Specific embodiment
Perlite, lithium metaborate used in the present invention and lithium carbonate are commercially available.Described perlite composition such as the following table 1,
1 perlite composition of table
Described lithium metaborate composition such as the following table 2,
2 lithium metaborate composition of table
| Composition title | Technical requirement |
| Lithium metaborate (BLiO2) | > 95% (mass percent) |
| Mercury (Hg) | < 4mg/kg |
| Cadmium (Cd) | < 9mg/kg |
| Lead (Pb) | < 45mg/kg |
| Chromium (Cr) | < 45mg/kg |
| Arsenic (As) | < 4mg/kg |
Described lithium carbonate composition such as the following table 3；
3 lithium carbonate composition of table
| Composition title | Technical requirement |
| Lithium carbonate (Li2CO3) | > 95% (mass percent) |
| Mercury (Hg) | < 4mg/kg |
| Cadmium (Cd) | < 9mg/kg |
| Lead (Pb) | < 45mg/kg |
| Chromium (Cr) | < 45mg/kg |
| Arsenic (As) | < 4mg/kg |
Embodiment 1
A kind of efficient siliceous fertilizer, including following weight percent raw material:
Perlite 90%
Lithium metaborate 5%
Lithium carbonate 5%.
It is 250 mesh that the perlite, which is smashed and ground raw material to fineness by crusher, Raymond mill,；
It is 250 mesh that the lithium metaborate, which is smashed and ground raw material to fineness by crusher, Raymond mill,；
It is 325 mesh that the lithium carbonate airflow milling, which is smashed and ground to fineness,.
The preparation method of above-mentioned efficient siliceous fertilizer, comprising the following steps:
1) perlite 90%, lithium metaborate 5%, lithium carbonate 5% are put into the mixing of V-type powder according to weight percent
It is mixed 30 minutes in machine；
2) step 1) mixed material is put into preparing ceramic clinker kiln, is activated in the form of melting high-temp liquid, temperature 920
DEG C, 25 minutes progress high-temperature activations of fusing time；
3) it will be activated in material one second after step 2) high-temperature activation as cooling in cold water；The pH value hydrochloric acid of cold water
It is adjusted between 2-4, the quality of cold water is 4 times of activated material quality, 5-10 DEG C of cold water initial temperature.
4) by the system of step 3) water and the activated frit of chilling put into ball mill ball milling, Ball-milling Time together
11 hours, ball milling was at the slurry for passing through 400 mesh screens；
5) will be dry in the slurry investment baking oven of step 4) preparation, drying temperature is 160 DEG C, drying time 1 hour.
6) by dried finished product, layered material bag hermetic package is moulded with the inside, outer layer is packed with ox-hide bag.
Embodiment 2
A kind of efficient siliceous fertilizer, including following weight percent raw material:
Perlite 92%
Lithium metaborate 4%
Lithium carbonate 4%.
It is 250 mesh that the perlite, which is smashed and ground raw material to fineness by crusher, Raymond mill,；
It is 250 mesh that the lithium metaborate, which is smashed and ground raw material to fineness by crusher, Raymond mill,；
It is 400 mesh that the lithium carbonate airflow milling, which is smashed and ground to fineness,.
The preparation method of above-mentioned efficient siliceous fertilizer, comprising the following steps:
1) perlite 92%, lithium metaborate 4%, lithium carbonate 4% are put into the mixing of V-type powder according to weight percent
It is mixed 30 minutes in machine；
2) step 1) mixed material is put into preparing ceramic clinker kiln, is activated in the form of melting high-temp liquid, temperature 980
DEG C, 25 minutes progress high-temperature activations of fusing time；
3) it will be activated in material one second after step 2) high-temperature activation as cooling in cold water；The pH value of cold water is 2-4
Between, the quality of cold water be 5 times of activated material quality, 5-10 DEG C of cold water initial temperature.
4) by the system of step 3) water and the activated frit of chilling put into ball mill ball milling, Ball-milling Time together
11 hours, ball milling was at the slurry for passing through 400 mesh screens；
5) will be dry in the slurry investment baking oven of step 4) preparation, drying temperature is 160 DEG C, drying time 1 hour.
6) by dried finished product, layered material bag hermetic package is moulded with the inside, outer layer is packed with ox-hide bag.
Embodiment 3
A kind of efficient siliceous fertilizer, including following weight percent raw material:
Perlite 88%
Lithium metaborate 4%
Lithium carbonate 8%.
It is 250 mesh that the perlite, which is smashed and ground raw material to fineness by crusher, Raymond mill,；
It is 250 mesh that the lithium metaborate, which is smashed and ground raw material to fineness by crusher, Raymond mill,；
It is 400 mesh that the lithium carbonate airflow milling, which is smashed and ground to fineness,.
The preparation method of above-mentioned efficient siliceous fertilizer, comprising the following steps:
1) perlite 88%, lithium metaborate 4%, lithium carbonate 8% are put into the mixing of V-type powder according to weight percent
It is mixed 30 minutes in machine；
2) step 1) mixed material is put into preparing ceramic clinker kiln, is activated in the form of melting high-temp liquid, temperature 900
DEG C, 25 minutes progress high-temperature activations of fusing time；
3) it will be activated in material one second after step 2) high-temperature activation as cooling in cold water；The pH value hydrochloric acid of cold water
It is adjusted between 2-4, the quality of cold water is 4 times of activated material quality, 5-10 DEG C of cold water initial temperature.
4) by the system of step 3) water and the activated frit of chilling put into ball mill ball milling, Ball-milling Time together
11 hours, ball milling was at the slurry for passing through 400 mesh screens；
5) will be dry in the slurry investment baking oven of step 4) preparation, drying temperature is 160 DEG C, drying time 1 hour.
6) by dried finished product, layered material bag hermetic package is moulded with the inside, outer layer is packed with ox-hide bag.
Embodiment 1-3
Efficient siliceous fertilizer prepared by embodiment 1-3 is tested, soluble available silicon content test result is as follows table 4.
4 embodiment 1-4 solubility available silicon content (weight percent) of table
| Embodiment 1 | Embodiment 2 | Embodiment 3 |
| 58.4% | 64.2% | 60.5% |
The essentially identical rice of soil, weather, paddy growth situation is applied to using efficient siliceous fertilizer prepared by embodiment 1-3
Field, as a result such as the following table 5.
5 paddy growth comparative test result of table
The efficient siliceous fertilizer of the application present invention, volume increase are obvious.
Claims (10)
1. a kind of efficient siliceous fertilizer, which is characterized in that the efficient siliceous fertilizer includes following weight percent raw material:
Perlite 75%-92%
Lithium metaborate 4%-8%
Lithium carbonate 4%-17%.
2. efficient siliceous fertilizer according to claim 1, which is characterized in that it is 200 mesh -250 that the crushed crude pearlite, which is broken to fineness,
Mesh.
3. efficient siliceous fertilizer according to claim 1, which is characterized in that it is 200 mesh-that the lithium metaborate, which is crushed to fineness,
250 mesh.
4. efficient siliceous fertilizer according to claim 1, which is characterized in that it is 325 mesh -400 that the lithium carbonate, which is crushed to fineness,
Mesh.
5. a kind of preparation method of the efficient siliceous fertilizer of any one of claim 1-4, which is characterized in that the preparation method includes following
Step:
1) according to weight percent, by perlite 75%-92%, lithium metaborate 4%-8%, lithium carbonate 4%-17%, mixing；
2) step 1) mixed material is subjected to high-temperature activation；
3) by the one second time of material after step 2) high-temperature activation to be built in cold water, chilling activation is carried out；
4) by the cooling system abrading-ball of step 3), slurry is obtained；
5) slurry of step 4) preparation is dry.
6. preparation method according to claim 5, which is characterized in that high-temperature activation described in step 2) specifically: will walk
Rapid 1) mixed material is put into preparing ceramic clinker kiln, is activated in the form of melting high-temp liquid, controls 900-1000 DEG C of temperature, is melted
Change time 20-30 minutes.
7. preparation method according to claim 5 or 6, which is characterized in that the pH value of cold water described in step 3) be 2-4 it
Between.
8. the preparation method according to claim 5 or 7, which is characterized in that the quality of cold water described in step 3) is activation
3-5 times of quality of materials.
9. preparation method according to claim 5, which is characterized in that step 4) specifically: by step 3) water after cooling
Ball mill ball milling is put into together with the activated frit of chilling, and 10-12 hours ball millings of Ball-milling Time are at passing through 400 mesh screens
Slurry.
10. preparation method according to claim 5, which is characterized in that the step 5) drying specifically: drying temperature is
150-180 DEG C, drying time 1-2 hour.
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Citations (5)
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| CN101050140A (en) * | 2007-05-18 | 2007-10-10 | 锦州沈宏集团股份有限公司 | Method for producing multiplex siliceous fertilizer from molybdenum mine tailings |
| 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 |
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| CN104646041A (en) * | 2015-01-21 | 2015-05-27 | 西安建筑科技大学 | Preparation of graphene-slag-based conducting functional composite material and application of graphene-slag-based conducting functional composite material in sewage treatment |
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|---|---|---|---|---|
| CN101050140A (en) * | 2007-05-18 | 2007-10-10 | 锦州沈宏集团股份有限公司 | Method for producing multiplex siliceous fertilizer from molybdenum mine tailings |
| 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 |
| CN102539207A (en) * | 2011-12-27 | 2012-07-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for preparing standard sample for testing content of hard-alloy components and method for testing content of hard-alloy components |
| CN104646041A (en) * | 2015-01-21 | 2015-05-27 | 西安建筑科技大学 | Preparation of graphene-slag-based conducting functional composite material and application of graphene-slag-based conducting functional composite material in sewage treatment |
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