CN109574770A - It chelates polynary middle microelement and sprays fertilizer and preparation method thereof - Google Patents
It chelates polynary middle microelement and sprays fertilizer and preparation method thereof Download PDFInfo
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- CN109574770A CN109574770A CN201910039798.3A CN201910039798A CN109574770A CN 109574770 A CN109574770 A CN 109574770A CN 201910039798 A CN201910039798 A CN 201910039798A CN 109574770 A CN109574770 A CN 109574770A
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- edta
- edta chelated
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D5/00—Fertilisers containing magnesium
Abstract
The invention discloses a kind of polynary middle microelements of chelating to spray fertilizer and preparation method thereof, it is made of raw material from the following weight: 40-60 parts of EDTA chelated zinc, instant boron 40-60 parts, 16-24 parts of EDTA Chelated Manganese, 32-48 parts of compound EDTA chelated microelement, 19.2-28.8 parts of mineral resources fulvic acid, 176-264 parts of magnesium sulfate monohydrate.Various middle microelements needed for the invention can provide growth for crop, enhancing crop resistance improve crop yield, improve crop activity；The middle microelement of Chelating state will not react with substances such as phosphate radical, sulfate radicals in soil, can reduce soil hardening；Mineral resources fulvic acid can promote the photosynthesis of crop, improve soil nutrient and fertility.
Description
Technical field
The present invention relates to a kind of polynary middle microelements of chelating to spray fertilizer and preparation method thereof, belongs to fertilizer production technology
Field.
Background technique
Agricultural is closely bound up with people's lives as the important component in the primary industry.Due to huge population
Radix and limited using land area, in addition Process of Urbanization Construction, the problems such as land pollution, people are by expanding cultivated area
Crop yield is of poor benefits, consumption is big improving, and correct mode is to improve the yield of crops unit cultivated area.Fertilising is not
It is only capable of increasing soil fertility, and is also the important measures for improving crop yield per unit area.Chemical fertilizer is that agricultural production is most basic
It and is most important substance investment.It is counted according to FAO (Food and Agriculture Organization of the United Nation), chemical fertilizer accounts for about in total share to increasing crop yield
40%~60%.China can support the population in the world Liao Zhan 22% to account for the arable land in the world 7%, it may be said that it is light that chemical fertilizer plays act foot
The effect of weight.
Macroelement fertilizer is paid attention in country's fertilising, but despises secondary and micro-element fertilizers.In the application of China's fertilizer, in it is micro-
Secondary element is general lack of serious on crop influence, necessary element of the middle microelement as plant growth does not have for a long time
To due attention, the shortage of middle microelement has become the main obstruction factor for improving quality of agricultural product and yield.In it is micro
Element fertilizer has lot of advantages: economically, input-output ratio is high, and general volume increase 10% is not problem；From making object angle
For degree, the shortage of middle microelement and excessive section are relatively narrow；From dosage, fertilizer amount is few, and production-increasing function is big.It can be with
It says, secondary and micro-element fertilizers can play important impetus for improving current soil pollution.
Summary of the invention
The object of the present invention is to provide a kind of polynary middle microelements of chelating to spray fertilizer and preparation method thereof, can be work
Various middle microelements needed for object provides growth, enhancing crop resistance improve crop yield, improve crop activity.
To achieve the goals above, a kind of polynary middle microelement of chelating sprays fertilizer, which is characterized in that including following heavy
The raw material of amount part is made: 40-60 parts of EDTA chelated zinc, instant boron 40-60 parts, and 16-24 parts of EDTA Chelated Manganese, compound EDTA chelating
32-48 parts of microelement, 19.2-28.8 parts of mineral resources fulvic acid, 176-264 parts of magnesium sulfate monohydrate.
As the further scheme of invention, the EDTA chelated zinc is prepared in accordance with the following methods:
(1) EDETATE SODIUM, basic zinc carbonate and zinc nitrate hexahydrate are added in a kettle and are dissolved in water, be warming up to 60-80
DEG C, after reacting 0.5-1.5h, filter out insoluble impurities；The EDETATE SODIUM, basic zinc carbonate and zinc nitrate hexahydrate rub
You are than being 1: 0.8: 0.2；
(2) filtrate in step (1) is concentrated, until being centrifuged when mass crystallization occurs, by isolated crystal
It is dried, grinds to get finished product EDTA chelated zinc is arrived.
As the further scheme of invention, the EDTA Chelated Manganese is prepared in accordance with the following methods:
(1) addition manganese sulfate, EDETATE SODIUM are dissolved in water in a kettle, are warming up to 55-70 DEG C, after reacting 0.5-1.5h,
Filter out insoluble impurities；The EDETATE SODIUM, manganese sulfate molar ratio be 1: 1；
(2) filtrate in step (1) is concentrated, is concentrated into when mass crystallization occurs and is centrifuged, by separation
Crystal is dried, grinds to get finished product EDTA Chelated Manganese is arrived.
As the further scheme of invention, the EDTA chelated microelement include EDTA chelated iron, EDTA chelated copper,
EDTA chelate calcium, the weight percentage of three kinds of microelements be respectively as follows: EDTA chelated iron 20%, EDTA chelated copper 35%,
EDTA chelates Ca45 %.
As the further scheme of invention, the EDTA chelated microelement is prepared in accordance with the following methods:
(1) EDETATE SODIUM, ferrous sulfate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Good dissolving raw material, which is advisable, is warming up to 60-80 DEG C, after reacting 0.5-1.5h, filters out insoluble impurities；Filter out insoluble impurities
Filtrate is concentrated afterwards, is concentrated into when mass crystallization occurs and is centrifuged, isolated crystal is dried, is ground,
Obtain finished product EDTA chelated iron；
(2) EDETATE SODIUM, copper sulphate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Dissolution raw material is advisable, and is warming up to 50-70 DEG C, after reacting 0.5-1.5h, insoluble impurities is filtered out, after filtering out insoluble impurities
Filtrate is concentrated, is concentrated into when mass crystallization occurs and is centrifuged, isolated crystal is dried, is ground, i.e.,
Obtain finished product EDTA chelated copper；
(3) EDETATE SODIUM, calcium sulfate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Dissolution raw material is advisable, and is warming up to 55-70 DEG C, after reacting 0.5-1.5h, insoluble impurities is filtered out, after filtering out insoluble impurities
Filtrate is concentrated, is concentrated into when mass crystallization occurs and is centrifuged, isolated crystal is dried, is ground, i.e.,
Obtain finished product EDTA chelating calcium；
(4) EDTA chelated iron obtained, EDTA chelating calcium, EDTA chelated copper are mixed, obtains the EDTA chela
Close microelement.
As the further scheme of invention, the mineral resources fulvic acid is prepared in accordance with the following methods:
Coal containing fulvic acid is directly extracted with inorganic acid, then separated, purify it is obtained；It is yellow in the coal
Weight percentage >=10% of rotten acid.
As the further scheme of invention, the mineral resources fulvic acid is prepared in accordance with the following methods:
Mixed acid is first added in lignite containing fulvic acid or mud coal 80g, is stirred evenly, is aoxidized under the conditions of 60-70 DEG C
Then 0.6-1h is added 240ml water, after being stirred to react 1h at 60 DEG C, is centrifugated out fulvic acid clear liquid；The lignite or mud
The weight percentage < 10% of fulvic acid in coal；The mixed acid uses volume ratio to be mixed with for 7: 3 sulfuric acid and nitric acid.
As the further scheme of invention, the preparation method of the magnesium sulfate monohydrate the following steps are included:
(1) miberal powder of sulfuric acid and magnesia is measured in the ratio that the molar ratio of sulfuric acid and magnesia is 1:1；
(2) water is added in neutralizing tank, the miberal powder measured is slowly added into stirring, add the sulfuric acid that measured into
Row neutralization reaction is added buffer solvent, controls the PH=5 of slurries, density is in 1.370-1.384g/cm3, keep the temperature at 80
It DEG C is reacted；
(3) after reaction carries out 1-1.5h, neutralizer is filtered by leaf-type filter；
(4) filtered clear liquid is placed in crystallizer, is cooled to 30 DEG C hereinafter, standing 0.5h, is centrifuged；
(5) wet feed after centrifuge separation is sent into dehydrating drier, is dehydrated at 220-260 DEG C and sulfuric acid monohydrate is made
Magnesium.
As the further scheme of invention, a kind of polynary middle microelement of chelating sprays fertilizer, preparation method include with
Lower step:
(1) all raw materials are sequentially added and is crushed into pulverizer；
(2) smashed raw material powder is sequentially placed into batch mixer uniform stirring；
(3) mixed solution after stirring is crossed 200 meshes to be filtered, filling vanning is carried out after filtering.
Beneficial effects of the present invention:
1, various middle microelements needed for the invention can provide growth for crop, enhancing crop resistance improve crop
Yield improves crop activity；The middle microelement of Chelating state will not occur anti-with substances such as phosphate radical, sulfate radicals in soil
It answers, soil hardening can be reduced；Mineral resources fulvic acid can promote the photosynthesis of crop, improve soil nutrient and fertility.
2, EDTA chelated zinc can enhance the photosynthesis of crop, plant is promoted to generate the synthesis of element, enhancing crop disease-resistant
And cold tolerance；The growth hair that EDTA manganese can enhance photosynthesis, adjust crop vivo oxidation reduction situation, be conducive to crop
It educates, reduce crop disease infection rate；Compound EDTA chelated microelement chelated iron, copper, calcium, while being conducive to the life of chlorophyll
At, promote nitrogen metabolism, enhancing photosynthesis, improves cold-resistant and drought resistance at enhancing premunition, promotes the development of cell wall, mentions
The selection absorbability of high biomembrane improves the effects of sugar contents of crops such as fruits and vegetables, to improve crop quality.
3, significant effect is used in combination with fertilizer is sprayed in instant boron, and boron can promote crop carbon metablism and nitrogen metabolism, promote root
The growth and development of system, accelerates vine growth and development to shorten maturity period and life at the growth for promoting crop nutrition organs and reproductive organs
It educates the phase, increase crop anti-adversity.
4, magnesium is one of synthetic ingredient of chlorophyll, while magnesium is capable of the synthesis process of activated dna and RNA, can also live
Change various transphosphorylases and phosphokinase, is conducive to the photosynthetic and respiratory of crop.Magnesium sulfate monohydrate is dissolved in water, has molten
The high advantage of solution degree.
5, mineral resources fulvic acid can change soil aggregate structure, increase the molecular weight amount of changing, furthermore mineral resources fulvic acid can promote
Edaphon mass propagation, increases soil fertility；Mineral resources fulvic acid has two-way function to the acid-base accommodation of soil, meets acid and adjusts
Acid meets alkali alkali tune, that is to say, that soil can be adjusted the pH environment to suitable plant growth.In addition, mineral resources fulvic acid is also
With raising utilization rate of fertilizer, enhancing crop resistance, enhancing crop cold resistance disease resistance, raising crop yield, improves and make article
Matter etc..
6, the fertilizer that the present invention is prepared can be effectively soluble in water, is suitble to be sprayed in crop different times, applies fertilizer
It is convenient, and can be absorbed by crops rapidly.
Specific embodiment
Below with reference to embodiment, the present invention will be described in detail, it is to be understood that protection scope of the present invention is not had
The limitation of body embodiment.
Embodiment 1
A kind of polynary middle microelement of chelating sprays fertilizer, which is characterized in that is made of raw material from the following weight: EDTA
40 parts of chelated zinc, 40 parts of instant boron, 16 parts of EDTA Chelated Manganese, 32 parts of compound EDTA chelated microelement, mineral resources fulvic acid 19.2
Part, 176 parts of magnesium sulfate monohydrate.
The EDTA chelated zinc is prepared in accordance with the following methods:
(1) EDETATE SODIUM, basic zinc carbonate and zinc nitrate hexahydrate are added in a kettle and are dissolved in water, be warming up to 70 DEG C,
After reacting 1h, insoluble impurities is filtered out；The molar ratio of the EDETATE SODIUM, basic zinc carbonate and zinc nitrate hexahydrate is 1:
0.8:0.2；
(2) filtrate in step (1) is concentrated, until being centrifuged when mass crystallization occurs, by isolated crystal
It is dried, grinds to get finished product EDTA chelated zinc is arrived.
The EDTA Chelated Manganese is prepared in accordance with the following methods:
(1) addition manganese sulfate, EDETATE SODIUM are dissolved in water in a kettle, are warming up to 65 DEG C, after reacting 1h, filter out insoluble
Property impurity；The EDETATE SODIUM, manganese sulfate molar ratio be 1: 1；
(2) filtrate in step (1) is concentrated, is concentrated into when mass crystallization occurs and is centrifuged, by separation
Crystal is dried, grinds to get finished product EDTA Chelated Manganese is arrived.
The EDTA chelated microelement includes EDTA chelated iron, EDTA chelated copper, EDTA chelating calcium, three kinds of microelements
Weight percentage be respectively as follows: EDTA chelated iron 20%, EDTA chelated copper 35%, EDTA chelating Ca45 %.
The EDTA chelated microelement is prepared in accordance with the following methods:
(1) EDETATE SODIUM, ferrous sulfate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Good dissolving raw material is advisable, and is warming up to 75 DEG C, after reacting 1.5h, filters out insoluble impurities；It will be filtered after filtering out insoluble impurities
Liquid is concentrated, and is concentrated into when mass crystallization occurs and is centrifuged, and isolated crystal is dried, is ground to get arriving
Finished product EDTA chelated iron；
(2) EDETATE SODIUM, copper sulphate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Dissolution raw material is advisable, and is warming up to 70 DEG C, after reacting 1h, filters out insoluble impurities, filter out after insoluble impurities by filtrate into
Row concentration, is concentrated into when mass crystallization occurs and is centrifuged, and isolated crystal is dried, is ground to get finished product is arrived
EDTA chelated copper；
(3) EDETATE SODIUM, calcium sulfate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Dissolution raw material is advisable, and is warming up to 65 DEG C, after reacting 1h, filters out insoluble impurities, filter out after insoluble impurities by filtrate into
Row concentration, is concentrated into when mass crystallization occurs and is centrifuged, and isolated crystal is dried, is ground to get finished product is arrived
EDTA chelates calcium；
(4) EDTA chelated iron obtained, EDTA chelating calcium, EDTA chelated copper are mixed, obtains the EDTA chela
Close microelement.
The mineral resources fulvic acid is prepared in accordance with the following methods:
Coal containing fulvic acid is directly extracted with inorganic acid, then separated, purify it is obtained；It is yellow in the coal
Weight percentage >=10% of rotten acid.
The mineral resources fulvic acid is prepared in accordance with the following methods:
Mixed acid is first added in lignite containing fulvic acid or mud coal 80g, is stirred evenly, is aoxidized under the conditions of 65 DEG C
Then 0.8h is added 240ml water, after being stirred to react 1h at 60 DEG C, is centrifugated out fulvic acid clear liquid；The lignite or mud coal
The weight percentage < 10% of middle fulvic acid；The mixed acid uses volume ratio to be mixed with for 7: 3 sulfuric acid and nitric acid.
The preparation method of the magnesium sulfate monohydrate the following steps are included:
(1) miberal powder of sulfuric acid and magnesia is measured in the ratio that the molar ratio of sulfuric acid and magnesia is 1:1；
(2) water is added in neutralizing tank, the miberal powder measured is slowly added into stirring, add the sulfuric acid that measured into
Row neutralization reaction is added buffer solvent, controls the PH=5 of slurries, density is in 1.380g/cm3, keep the temperature at 80 DEG C of progress
Reaction；
(3) after reaction carries out 1.5h, neutralizer is filtered by leaf-type filter；
(4) filtered clear liquid is placed in crystallizer, is cooled to 20 DEG C, stood 0.5h, be centrifuged；
(5) wet feed after centrifuge separation is sent into dehydrating drier, is dehydrated at 240 DEG C and magnesium sulfate monohydrate is made.
A kind of polynary middle microelement of chelating sprays fertilizer, and preparation method includes the following steps:
(1) all raw materials are sequentially added and is crushed into pulverizer；
(2) smashed raw material powder is sequentially placed into batch mixer uniform stirring；
(3) mixed solution after stirring is crossed 200 meshes to be filtered, filling vanning is carried out after filtering.
Embodiment 2:
A kind of polynary middle microelement of chelating sprays fertilizer, which is characterized in that is made of raw material from the following weight: EDTA
50 parts of chelated zinc, 50 parts of instant boron, 20 parts of EDTA Chelated Manganese, 40 parts of compound EDTA chelated microelement, 24 parts of mineral resources fulvic acid,
220 parts of magnesium sulfate monohydrate.
The EDTA chelated zinc is prepared in accordance with the following methods:
(1) EDETATE SODIUM, basic zinc carbonate and zinc nitrate hexahydrate are added in a kettle and are dissolved in water, be warming up to 70 DEG C,
After reacting 1h, insoluble impurities is filtered out；The molar ratio of the EDETATE SODIUM, basic zinc carbonate and zinc nitrate hexahydrate is 1:
0.8:0.2；
(2) filtrate in step (1) is concentrated, until being centrifuged when mass crystallization occurs, by isolated crystal
It is dried, grinds to get finished product EDTA chelated zinc is arrived.
The EDTA Chelated Manganese is prepared in accordance with the following methods:
(1) addition manganese sulfate, EDETATE SODIUM are dissolved in water in a kettle, are warming up to 65 DEG C, after reacting 1h, filter out insoluble
Property impurity；The EDETATE SODIUM, manganese sulfate molar ratio be 1: 1；
(2) filtrate in step (1) is concentrated, is concentrated into when mass crystallization occurs and is centrifuged, by separation
Crystal is dried, grinds to get finished product EDTA Chelated Manganese is arrived.
The EDTA chelated microelement includes EDTA chelated iron, EDTA chelated copper, EDTA chelating calcium, three kinds of microelements
Weight percentage be respectively as follows: EDTA chelated iron 20%, EDTA chelated copper 35%, EDTA chelating Ca45 %.
The EDTA chelated microelement is prepared in accordance with the following methods:
(1) EDETATE SODIUM, ferrous sulfate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Good dissolving raw material is advisable, and is warming up to 75 DEG C, after reacting 1.5h, filters out insoluble impurities；It will be filtered after filtering out insoluble impurities
Liquid is concentrated, and is concentrated into when mass crystallization occurs and is centrifuged, and isolated crystal is dried, is ground to get arriving
Finished product EDTA chelated iron；
(2) EDETATE SODIUM, copper sulphate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Dissolution raw material is advisable, and is warming up to 70 DEG C, after reacting 1h, filters out insoluble impurities, filter out after insoluble impurities by filtrate into
Row concentration, is concentrated into when mass crystallization occurs and is centrifuged, and isolated crystal is dried, is ground to get finished product is arrived
EDTA chelated copper；
(3) EDETATE SODIUM, calcium sulfate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Dissolution raw material is advisable, and is warming up to 65 DEG C, after reacting 1h, filters out insoluble impurities, filter out after insoluble impurities by filtrate into
Row concentration, is concentrated into when mass crystallization occurs and is centrifuged, and isolated crystal is dried, is ground to get finished product is arrived
EDTA chelates calcium；
(4) EDTA chelated iron obtained, EDTA chelating calcium, EDTA chelated copper are mixed, obtains the EDTA chela
Close microelement.
The mineral resources fulvic acid is prepared in accordance with the following methods:
Coal containing fulvic acid is directly extracted with inorganic acid, then separated, purify it is obtained；It is yellow in the coal
Weight percentage >=10% of rotten acid.
The mineral resources fulvic acid is prepared in accordance with the following methods:
Mixed acid is first added in lignite containing fulvic acid or mud coal 80g, is stirred evenly, is aoxidized under the conditions of 65 DEG C
Then 0.8h is added 240ml water, after being stirred to react 1h at 60 DEG C, is centrifugated out fulvic acid clear liquid；The lignite or mud coal
The weight percentage < 10% of middle fulvic acid；The mixed acid uses volume ratio to be mixed with for 7: 3 sulfuric acid and nitric acid.
The preparation method of the magnesium sulfate monohydrate the following steps are included:
(1) miberal powder of sulfuric acid and magnesia is measured in the ratio that the molar ratio of sulfuric acid and magnesia is 1:1；
(2) water is added in neutralizing tank, the miberal powder measured is slowly added into stirring, add the sulfuric acid that measured into
Row neutralization reaction is added buffer solvent, controls the PH=5 of slurries, density is in 1.380g/cm3, keep the temperature at 80 DEG C of progress
Reaction；
(3) after reaction carries out 1.5h, neutralizer is filtered by leaf-type filter；
(4) filtered clear liquid is placed in crystallizer, is cooled to 20 DEG C, stood 0.5h, be centrifuged；
(5) wet feed after centrifuge separation is sent into dehydrating drier, is dehydrated at 240 DEG C and magnesium sulfate monohydrate is made.
A kind of polynary middle microelement of chelating sprays fertilizer, and preparation method includes the following steps:
(1) all raw materials are sequentially added and is crushed into pulverizer；
(2) smashed raw material powder is sequentially placed into batch mixer uniform stirring；
(3) mixed solution after stirring is crossed 200 meshes to be filtered, filling vanning is carried out after filtering.
Embodiment 3:
A kind of polynary middle microelement of chelating sprays fertilizer, which is characterized in that is made of raw material from the following weight: EDTA
60 parts of chelated zinc, 60 parts of instant boron, 24 parts of EDTA Chelated Manganese, 48 parts of compound EDTA chelated microelement, mineral resources fulvic acid 28.8
Part, 264 parts of magnesium sulfate monohydrate.
The EDTA chelated zinc is prepared in accordance with the following methods:
(1) EDETATE SODIUM, basic zinc carbonate and zinc nitrate hexahydrate are added in a kettle and are dissolved in water, be warming up to 70 DEG C,
After reacting 1h, insoluble impurities is filtered out；The molar ratio of the EDETATE SODIUM, basic zinc carbonate and zinc nitrate hexahydrate is 1:
0.8:0.2；
(2) filtrate in step (1) is concentrated, until being centrifuged when mass crystallization occurs, by isolated crystal
It is dried, grinds to get finished product EDTA chelated zinc is arrived.
The EDTA Chelated Manganese is prepared in accordance with the following methods:
(1) addition manganese sulfate, EDETATE SODIUM are dissolved in water in a kettle, are warming up to 65 DEG C, after reacting 1h, filter out insoluble
Property impurity；The EDETATE SODIUM, manganese sulfate molar ratio be 1: 1；
(2) filtrate in step (1) is concentrated, is concentrated into when mass crystallization occurs and is centrifuged, by separation
Crystal is dried, grinds to get finished product EDTA Chelated Manganese is arrived.
The EDTA chelated microelement includes EDTA chelated iron, EDTA chelated copper, EDTA chelating calcium, three kinds of microelements
Weight percentage be respectively as follows: EDTA chelated iron 20%, EDTA chelated copper 35%, EDTA chelating Ca45 %.
The EDTA chelated microelement is prepared in accordance with the following methods:
(1) EDETATE SODIUM, ferrous sulfate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Good dissolving raw material is advisable, and is warming up to 75 DEG C, after reacting 1.5h, filters out insoluble impurities；It will be filtered after filtering out insoluble impurities
Liquid is concentrated, and is concentrated into when mass crystallization occurs and is centrifuged, and isolated crystal is dried, is ground to get arriving
Finished product EDTA chelated iron；
(2) EDETATE SODIUM, copper sulphate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Dissolution raw material is advisable, and is warming up to 70 DEG C, after reacting 1h, filters out insoluble impurities, filter out after insoluble impurities by filtrate into
Row concentration, is concentrated into when mass crystallization occurs and is centrifuged, and isolated crystal is dried, is ground to get finished product is arrived
EDTA chelated copper；
(3) EDETATE SODIUM, calcium sulfate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, the additional amount of water is with just
Dissolution raw material is advisable, and is warming up to 65 DEG C, after reacting 1h, filters out insoluble impurities, filter out after insoluble impurities by filtrate into
Row concentration, is concentrated into when mass crystallization occurs and is centrifuged, and isolated crystal is dried, is ground to get finished product is arrived
EDTA chelates calcium；
(4) EDTA chelated iron obtained, EDTA chelating calcium, EDTA chelated copper are mixed, obtains the EDTA chela
Close microelement.
The mineral resources fulvic acid is prepared in accordance with the following methods:
Coal containing fulvic acid is directly extracted with inorganic acid, then separated, purify it is obtained；It is yellow in the coal
Weight percentage >=10% of rotten acid.
The mineral resources fulvic acid is prepared in accordance with the following methods:
Mixed acid is first added in lignite containing fulvic acid or mud coal 80g, is stirred evenly, is aoxidized under the conditions of 65 DEG C
Then 0.8h is added 240ml water, after being stirred to react 1h at 60 DEG C, is centrifugated out fulvic acid clear liquid；The lignite or mud coal
The weight percentage < 10% of middle fulvic acid；The mixed acid uses volume ratio to be mixed with for 7: 3 sulfuric acid and nitric acid.
The preparation method of the magnesium sulfate monohydrate the following steps are included:
(1) miberal powder of sulfuric acid and magnesia is measured in the ratio that the molar ratio of sulfuric acid and magnesia is 1:1；
(2) water is added in neutralizing tank, the miberal powder measured is slowly added into stirring, add the sulfuric acid that measured into
Row neutralization reaction is added buffer solvent, controls the PH=5 of slurries, density is in 1.380g/cm3, keep the temperature at 80 DEG C of progress
Reaction；
(3) after reaction carries out 1.5h, neutralizer is filtered by leaf-type filter；
(4) filtered clear liquid is placed in crystallizer, is cooled to 20 DEG C, stood 0.5h, be centrifuged；
(5) wet feed after centrifuge separation is sent into dehydrating drier, is dehydrated at 240 DEG C and magnesium sulfate monohydrate is made.
A kind of polynary middle microelement of chelating sprays fertilizer, and preparation method includes the following steps:
(1) all raw materials are sequentially added and is crushed into pulverizer；
(2) smashed raw material powder is sequentially placed into batch mixer uniform stirring；
(3) mixed solution after stirring is crossed 200 meshes to be filtered, filling vanning is carried out after filtering.
Fertilizer is sprayed respectively to the water to Seedling Stage using chelating polynary middle microelement of the embodiment 1 into embodiment 3
Rice, fruiting period tomato sprayed, dissolved dilution is carried out with the water of 1000 times of weight when spraying, and with the similar crop same time
Spraying the compound fertilizer of market sale, (control group rice sprays commercially available ten thousand ground treasured compound fertilizer, control group tomato as a control group
Spray commercially available fragrant plant field compound fertilizer), the crop in maturity period is harvested, to its chlorophyll content, yield, resistance, soil activation etc.
It is counted, as a result as shown in table 1, table 2:
Table 1
Table 2
According to table 1, table 2 it is found that different ratio used by spraying embodiment 1- embodiment 3 on rice and tomato respectively
A kind of polynary middle microelement of manufactured chelating sprays fertilizer, and comparison sprays the control group of general compound fertilizer, when the crop maturity phase,
Its chlorophyll content, yield, resistance, soil activation etc. have more apparent advantage, and (after Tomato Ripening, chlorophyll will be a large amount of
It reduces, therefore the chlorophyll content of tomato is not counted in table 2).
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit and essential characteristics of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.In addition, it should be understood that although this specification is described in terms of embodiments, but it is not each
Embodiment only contains an independent technical solution, this narrating mode of specification only for clarity, this field skill
Art personnel should consider the specification as a whole, and the technical solutions in the various embodiments may also be suitably combined, form ability
The other embodiments that field technique personnel are understood that.
Claims (9)
1. a kind of polynary middle microelement of chelating sprays fertilizer, which is characterized in that the raw material including following parts by weight is made: EDTA
40-60 parts of chelated zinc, instant boron 40-60 parts, 16-24 parts of EDTA Chelated Manganese, 32-48 parts of compound EDTA chelated microelement, mine
Fulvic acid 19.2-28.8 parts of source, 176-264 parts of magnesium sulfate monohydrate.
2. a kind of polynary middle microelement of chelating according to claim 1 sprays fertilizer, which is characterized in that the EDTA chela
Zinc is closed to prepare in accordance with the following methods:
(1) EDETATE SODIUM, basic zinc carbonate and zinc nitrate hexahydrate are added in a kettle and are dissolved in water, be warming up to 60-80 DEG C, instead
After answering 0.5-1.5h, insoluble impurities is filtered out；The molar ratio of the EDETATE SODIUM, basic zinc carbonate and zinc nitrate hexahydrate is
1:0.8:0.2；
(2) filtrate in step (1) is concentrated, until being centrifuged when mass crystallization occurs, isolated crystal is carried out
Drying is ground to get finished product EDTA chelated zinc is arrived.
3. a kind of polynary middle microelement of chelating according to claim 1 sprays fertilizer, which is characterized in that the EDTA chela
Manganese is closed to prepare in accordance with the following methods:
(1) addition manganese sulfate, EDETATE SODIUM are dissolved in water in a kettle, are warming up to 55-70 DEG C, after reacting 0.5-1.5h, filtering
Fall insoluble impurities；The EDETATE SODIUM, manganese sulfate molar ratio be 1: 1；
(2) filtrate in step (1) is concentrated, is concentrated into when mass crystallization occurs and is centrifuged, by isolated crystal
It is dried, grinds to get finished product EDTA Chelated Manganese is arrived.
4. a kind of polynary middle microelement of chelating according to claim 1 sprays fertilizer, which is characterized in that the EDTA chela
Closing microelement includes EDTA chelated iron, EDTA chelated copper, EDTA chelating calcium, the weight percentage difference of three kinds of microelements
Are as follows: EDTA chelated iron 20%, EDTA chelated copper 35%, EDTA chelate Ca45 %.
5. a kind of polynary middle microelement of chelating according to claim 1 sprays fertilizer, which is characterized in that the EDTA chela
Close microelement the preparation method comprises the following steps:
(1) EDETATE SODIUM, ferrous sulfate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, is warming up to 60-80 DEG C, reaction
After 0.5-1.5h, insoluble impurities is filtered out；Filtrate is concentrated after filtering out insoluble impurities, mass crystallization is concentrated into and goes out
It is centrifuged now, isolated crystal is dried, is ground to get finished product EDTA chelated iron is arrived；
(2) EDETATE SODIUM, copper sulphate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, is warming up to 50-70 DEG C, reaction
After 0.5-1.5h, insoluble impurities is filtered out, filtrate is concentrated after filtering out insoluble impurities, mass crystallization is concentrated into and goes out
It is centrifuged now, isolated crystal is dried, is ground to get finished product EDTA chelated copper is arrived；
(3) EDETATE SODIUM, calcium sulfate that molar ratio is 1: 1 are added in a kettle and is dissolved in water, is warming up to 55-70 DEG C, reaction
After 0.5-1.5h, insoluble impurities is filtered out, filtrate is concentrated after filtering out insoluble impurities, mass crystallization is concentrated into and goes out
It is centrifuged now, isolated crystal is dried, is ground to get finished product EDTA chelating calcium is arrived；
(4) EDTA chelated iron obtained, EDTA chelating calcium, EDTA chelated copper are mixed, it is micro- obtains the EDTA chelating
Secondary element.
6. a kind of polynary middle microelement of chelating according to claim 1 sprays fertilizer, which is characterized in that the mineral resources is yellow
Rotten acid is prepared in accordance with the following methods:
Coal containing fulvic acid is directly extracted with inorganic acid, then separated, purify it is obtained；Fulvic acid in the coal
Weight percentage >=10%.
7. the polynary middle microelement of chelating according to claim 1 sprays fertilizer, which is characterized in that the mineral resources fulvic acid
It prepares in accordance with the following methods:
Mixed acid is first added in lignite containing fulvic acid or mud coal 80g, is stirred evenly, aoxidizes 0.6- under the conditions of 60-70 DEG C
Then 1h is added 240ml water, after being stirred to react 1h at 60 DEG C, is centrifugated out fulvic acid clear liquid；In the lignite or mud coal
The weight percentage < 10% of fulvic acid；The mixed acid uses volume ratio to be mixed with for 7: 3 sulfuric acid and nitric acid.
8. a kind of polynary middle microelement of chelating according to claim 1 sprays fertilizer, which is characterized in that the water sulphur
The preparation method of sour magnesium the following steps are included:
(1) miberal powder of sulfuric acid and magnesia is measured in the ratio that the molar ratio of sulfuric acid and magnesia is 1:1；
(2) water is added in neutralizing tank, the miberal powder measured is slowly added into stirring, adds in the sulfuric acid progress measured
And reaction, buffer solvent is added, controls the PH=5 of slurries, density is in 1.370-1.384g/cm3, keep the temperature at 80 DEG C into
Row reaction；
(3) after reaction carries out 1-1.5h, neutralizer is filtered by leaf-type filter；
(4) filtered clear liquid is placed in crystallizer, is cooled to 30 DEG C hereinafter, standing 0.5h, is centrifuged；
(5) wet feed after centrifuge separation is sent into dehydrating drier, is dehydrated at 220-260 DEG C and magnesium sulfate monohydrate is made.
9. spraying fertilizer using a kind of polynary middle microelement of chelating according to claim 1, which is characterized in that it is prepared
Method the following steps are included:
(1) all raw materials are sequentially added and is crushed into pulverizer；
(2) smashed raw material powder is sequentially placed into batch mixer uniform stirring；
(3) mixed solution after stirring is crossed 200 meshes to be filtered, filling vanning is carried out after filtering.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112266295A (en) * | 2020-10-28 | 2021-01-26 | 郑州昕爵生物技术有限公司 | Organic water-soluble fertilizer containing ox gall essence and preparation method thereof |
| CN112279718A (en) * | 2020-11-02 | 2021-01-29 | 山西金兰化工股份有限公司 | Total nutrient liquid fertilizer for potatoes and preparation method thereof |
| CN112661559A (en) * | 2020-11-02 | 2021-04-16 | 山西金兰化工股份有限公司 | Chelated compound trace element fertilizer and preparation method thereof |
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| CN103058750A (en) * | 2012-12-19 | 2013-04-24 | 华南农业大学 | Seaweed amino acid composite liquid manure and preparation method and application thereof |
| CN103204739A (en) * | 2013-04-17 | 2013-07-17 | 领先生物农业股份有限公司 | Long-acting zinc fertilizer and preparation method thereof |
| CN106565973A (en) * | 2016-11-14 | 2017-04-19 | 内蒙古永业生物科学技术研究院 | Preparation method of mineral-based fulvic acid |
| CN108929134A (en) * | 2018-08-10 | 2018-12-04 | 四川海莱生物科技有限公司 | A kind of EDTA salt-mixture trace element water-soluble fertilizer formula and preparation method |
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| CN103058750A (en) * | 2012-12-19 | 2013-04-24 | 华南农业大学 | Seaweed amino acid composite liquid manure and preparation method and application thereof |
| CN103204739A (en) * | 2013-04-17 | 2013-07-17 | 领先生物农业股份有限公司 | Long-acting zinc fertilizer and preparation method thereof |
| CN106565973A (en) * | 2016-11-14 | 2017-04-19 | 内蒙古永业生物科学技术研究院 | Preparation method of mineral-based fulvic acid |
| CN108929134A (en) * | 2018-08-10 | 2018-12-04 | 四川海莱生物科技有限公司 | A kind of EDTA salt-mixture trace element water-soluble fertilizer formula and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112266295A (en) * | 2020-10-28 | 2021-01-26 | 郑州昕爵生物技术有限公司 | Organic water-soluble fertilizer containing ox gall essence and preparation method thereof |
| CN112279718A (en) * | 2020-11-02 | 2021-01-29 | 山西金兰化工股份有限公司 | Total nutrient liquid fertilizer for potatoes and preparation method thereof |
| CN112661559A (en) * | 2020-11-02 | 2021-04-16 | 山西金兰化工股份有限公司 | Chelated compound trace element fertilizer and preparation method thereof |
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