CN108484258A - The preparation method of Hibiscus hamabo composite fertilizer - Google Patents
The preparation method of Hibiscus hamabo composite fertilizer Download PDFInfo
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- CN108484258A CN108484258A CN201810291082.8A CN201810291082A CN108484258A CN 108484258 A CN108484258 A CN 108484258A CN 201810291082 A CN201810291082 A CN 201810291082A CN 108484258 A CN108484258 A CN 108484258A
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/38—Layered or coated, e.g. dust-preventing coatings layered or coated with wax or resins
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Abstract
The invention discloses a kind of preparation methods of Hibiscus hamabo composite fertilizer：First meso-porous titanium dioxide silicon emulsion is prepared using surfactant, ethanolamine hydrochloric salt, esters of silicon acis and various auxiliary agents；Then meso-porous titanium dioxide silicon emulsion is sprayed onto composite fertilizer material surface, is granulated；Finally heated drying, cover spraying, cooling air-drying obtain slow-release compound fertilizer, and wherein material composition and parts by weight are as follows in composite fertilizer：35 45 parts of ammonium chloride, 30 40 parts of urea, 5 10 parts of Diammonium phosphate (DAP), 10 20 parts of potassium chloride, 35 parts of concave convex rod, 24 parts of soil conditioner.The ethanolamine hydrochloric salt that the present invention adds in the preparation process of mesoporous silicon oxide has effectively facilitated the formation of mesoporous silicon oxide, and composite fertilizer's preparation method simple possible, convenient for industrialization, prepared composite fertilizer improves the salinization of soil of soil while providing required nutrient to trees by slow releasing function, the vitality of trees can be improved.
Description
Technical field
The present invention relates to technical field of fertilizers, more particularly to a kind of preparation method of Hibiscus hamabo composite fertilizer.
Background technology
Hibiscus hamabo（Hibiscus hamabo Sieb.et Zucc.）For Malvaceae Hibiscus defoliation small arbor, bloom
When flowers blooming like a piece of brocade, autumn has set in, and rear blade reddens, and Seasonal dynamics change is apparent, is that excellent sight flower sees leaf ornamental plant, can be used for park, wide
Field greenery patches, flower garden, residential quarters etc., and flower hedge, the outstanding vegetable material for spending border.In addition Hibiscus hamabo to chlorine, sodium chloride,
The toxic gases such as sulfur dioxide have stronger repellence, can purify air, can be applied to pollute the green of more serious industrial enterprise
In change.Most of all, Hibiscus hamabo root system is especially flourishing, branch bast fiber is soft, and salt resistance alkali resistant, wind resistance is resistance to lean, by it
It applies in the coastal backbone forest strip and saline land greening, can not only play the effect of the solid soil of its wind resistance, moreover it is possible to abundant littoral forest
Dull plants landscape in band.But provincial Precious, Rare, Endangered tree has been listed in because artificial destruction is serious after the self-discovery seeds
Kind, therefore, culture exploitation Hibiscus hamabo has far-reaching influence to following garden landscape and coastal greening energetically.
The salinization of soil（soil salinization）Refer to that the salinity of soil bottom or underground water rises to capillary
Earth's surface after moisture evaporation, makes phenomenon or process of the salt accumulation in topsoil.Since the content of organic matter of saline-alkali soil is few,
Soil fertility is low, and physicochemical character is poor, more to the harmful anions and canons of crop, is unfavorable for the growth of plant.Therefore, it finds a kind of
The split hair salt alkali-affected soil resource of method for improveing the salinization of soil, improves the ecological environment with positive meaning.
Compound fertilizer refers to the chemical fertilizer containing two or more nutrient, has nutrient content height, accessory ingredient few
And physical behavior it is good the advantages that.The slowly/controlled releasing fertilizer occurred in recent years is a kind of important new-type fertilizer, by fertilizer nutrient
The regulation and control of rate of release make its release mutually coordinate with the regulation of fertilizer requirement of crop, can alleviate that conventional instant fertilizer utilization rate is low, flows
Mistake is serious, pollutes the problems such as environment.
The prior art such as Authorization Notice No. is the Chinese invention patent of 102910983 B of CN, and it is saline and alkaline to disclose a kind of improvement
Excellent functions bacterium bacillus subtilis, bacillus licheniformis, colloid gemma in saline-alkali soil are selected in the biological organic fertilizer on ground, the invention
Bacillus, normal growth under the conditions of 15%NaCl are made complex micro organism fungicide with various concentration adaptation, bacterium are used for saline-alkali soil
Biological organic fertilizer is made in agent adaptation organic matter, adds inorganic fertilizer that composite microbe fertilizer is made.The fertilizer improves saline-alkali soil physicochemical property,
Improve soil texture, improves permeability and accelerate leaching salt, cut-out capillary prevents to return on saline and alkaline, and desalting effect is good, but this patent
Shortcoming be：The bio-feritlizer shelf-life is shorter, and fertilizer efficiency is affected by environment larger.
Invention content
The purpose of the present invention is to provide a kind of simple possible, mesoporous silicon oxide formation rate is high, it is industrialized new to be convenient for
The preparation method of type slow-release compound fertilizer, obtained compound fertilizer nutrient is complete, and fertilizer efficiency is long, and utilization rate is high, and soil salt can be effectively relieved
Alkalization, long-time service can improve the ecological environment.
The present invention in view of the above technology in the problem of mentioning, the technical solution taken is：
A kind of preparation method of Hibiscus hamabo composite fertilizer, including the preparation of meso-porous titanium dioxide silicon emulsion, the preparation of slow-release compound fertilizer,
Specifically comprise the following steps：
The preparation of meso-porous titanium dioxide silicon emulsion：Transition metal salt is dissolved in the acid solutions such as hydrochloric acid first, at 35-45 DEG C
Stirring makes it completely dissolved；Modified additive ethanolamine hydrochloric salt and surfactant in aqueous solution is stated then up to continue in 35-
45 DEG C of magnetic agitation 2-3h；Esters of silicon acis is added into above-mentioned water solution system again later, continue stir 4-6h after separation, washing,
Centrifugation, and high-temperature calcination 2-4h removes surfactant at 450-550 DEG C, obtains Metaporous silicon dioxide material；To finally it be situated between
The auxiliary agents such as hole silica and emulsifier, thickener, dispersant are mixed, and obtain meso-porous titanium dioxide silicon emulsion, prepared
Meso-porous titanium dioxide silicon emulsion aperture it is small, large specific surface area has good water imbibition, water-retaining property and stability, and disperses
Suspension is good and non-toxic and tasteless, has compared with high-biocompatibility, can be used as a kind of excellent composite fertilizer's lapping, while dioxy
SiClx can also provide silicon nutrient element, and silicon nutrient element is the 4th kind of plant necessary to plant after nitrogen, phosphorus, potassium nutrition element
Nutrient nutrient needed for object growth, not only can make trees cane stand upright, additionally it is possible to enhance the photosynthesis of blade, while silicon
The thickness of cell wall can be increased by changing cell so that germ is difficult to invade and resist pest and disease damage, has emphatically to the growth quality of trees
It is big to influence；
It is prepared by slow-release compound fertilizer：Using ammonium chloride, urea, Diammonium phosphate (DAP), potassium chloride, concave convex rod and soil conditioner as composite fertilizer's original
Material, after mixing by each raw material, is sprayed onto composite fertilizer material surface by meso-porous titanium dioxide silicon emulsion with sprayer, passes through disk
Comminution granulation is granulated, and control prilling temperature is 60-80 DEG C, then carries out cover spraying with paraffin liquid after heat drying, cooling
It air-dries and slow-release compound fertilizer finished product is made, nitrogen, phosphorus, potassium nutrition element are sufficient in prepared composite fertilizer and collocation is reasonable, are trees
Growth provide required nutrition, and fertilizer nutrient rate of release is delayed by slow releasing function, and then make its release and make
The regulation of fertilizer requirement of object is mutually coordinated, while soil conditioner is added in composite fertilizer, can not only change soil dissoluble and put down
Weigh solution ph, and the influence of soil salt, alkaline stress to arboreal growth is effectively relieved, moreover it is possible to prevent the loss of nitrogen, phosphorus nutrient, improve
The utilization rate of nutritional ingredient in composite fertilizer is a kind of environmental-friendly new sustained release composite fertilizer.
Preferably, Transition metal salt is potassium chloride or zinc chloride or magnesium chloride, it is used as guiding agent, contributes to silicic acid
Salt is combined with the hydrophilic group of organic macromolecule surfactant.
Preferably, the weight ratio of modified additive, Transition metal salt and esters of silicon acis is in 20-40:4-8:1.
Preferably, the weight proportion of ethanolamine hydrochloric salt and surfactant is 1 in modified additive:20-30, surface are lived
Property agent hydrophilic group mainly by being constituted with a certain number of oxygen-containing groups, these oxygen-containing groups are generally ether and hydroxyl,
Make the high stability of surfactant in the solution.Add ethanolamine hydrochloric salt while surfactant is added, two
Person is used cooperatively, and plays synergistic effect, and the active group on ethanolamine hydrochloric salt surface is conducive to esters of silicon acis and hydrolysis life occurs
At positive silicic acid, and then repeatedly condensation forms silicon dioxide gel ion to the positive silicic acid generated, while under strongly acidic conditions by proton
During the silicate of change is combined with the hydrophilic group of nonionic surfactant, inorganic chlorion provides bridge beam action, and
The addition of ethanolamine hydrochloric salt can increase the chloride ion content in solution, can effectively facilitate the formation of mesoporous silicon oxide.In addition,
The mesoporous silicon oxide pore passage structure being modified using ethanolamine hydrochloric salt is arranged in parallel and regular orderly, is conducive to the suction of plant
It receives, element silicon can be provided for growth, element silicon is deposited on blade or more epidermal cell and stem by the transport of xylem vessel
The outer wall of stalk forms mechanical barrier, it is therefore prevented that the invasion of hypha,hyphae and pest improves the ability of plant disease-resistant insect pest.
Preferably, temperature control is at 50-80 DEG C in the preparation process of meso-porous titanium dioxide silicon emulsion, high speed dispersion cutter
Rotating speed in 900-1100rpm, mixing time 1.0-1.5h.
Preferably, the emulsifier added in the preparation process of meso-porous titanium dioxide silicon emulsion is polyvinyl alcohol, additive amount
For the 30-40% of mesoporous silicon oxide weight, polyvinyl alcohol has good adhesion and biological degradability, is a kind of ideal green
The high-new environment protective emulsive stabilizer of color can effectively improve the water-retaining property and film forming of silica using polyvinyl alcohol as modifying agent
Property.
Preferably, the thickener added in the preparation process of meso-porous titanium dioxide silicon emulsion be hydroxypropyl methyl cellulose or
Carboxymethyl cellulose, additive amount are the 5-10% of mesoporous silicon oxide weight, hydroxypropyl methyl cellulose and carboxymethyl cellulose
Element all has the advantages of thickening property, dispersibility and film forming, is very excellent nonionic surface active agent.
Preferably, the dispersant added in the preparation process of meso-porous titanium dioxide silicon emulsion is calgon, addition
Amount is the 0.5-1.0% of mesoporous silicon oxide weight, and calgon is acted on by improving the steric hindrance of silica lotion,
Improve the dispersion stabilization of silica lotion.
Preferably, each material composition and parts by weight are as follows in composite fertilizer：35-45 parts of ammonium chloride, 30-40 parts of urea, phosphorus
Sour diammonium 5-10 parts, 10-20 parts of potassium chloride, 3-5 parts of concave convex rod, 2-4 parts of soil conditioner.
Preferably, granulating agent of the concave convex rod as composite fertilizer increases particle using its unique adsorptivity and fillibility
Between contact surface, enhance intermolecular binding force, be conducive to improve granulating rate.
Preferably, the material composition and parts by weight of soil conditioner are as follows：20-30 parts of lignin organic matter, zeolite 20-
30 parts, 5-10 parts of aluminum sulfate, 2-4 parts of humic acid.Wherein humic acid has replacement suction-operated to harmful ions such as sodium, chlorine, can have
Effect adjusts soil acidity or alkalinity, and aluminum sulfate can effectively reduce alkalization of soils degree, sulfuric acid as a kind of soil conditioner of good performance
The addition of aluminium also can be such that calcium and magnesium plasma is released, and also play the effect for reducing soil salinity characters degree to a certain extent,
Aluminium ion in aluminum sulfate simultaneously, hydrolyzes into soil, generates aluminum oxide, the OH on surface-And H2PO4Match
Position body exchange reaction, can lock the P elements in soil, improve the utilization rate of phosphorus in fertilizer.By lignin organic matter, zeolite,
Aluminum sulfate and humic acid are used in mixed way as the soil conditioner in composite fertilizer, and the salinization of soil can not only be effectively relieved, increase
Soil fertility adjusts soil pH, moreover it is possible to and the effect for improving edaphon and enzymatic activity contributes to the existence of trees to grow, and
Have the characteristics that environmental protection, low cost.
Compared with the prior art, the advantages of the present invention are as follows：1）The preparation method simple possible of composite fertilizer of the present invention, is easy to
Operation, without harsh preparation condition, convenient for industrialization；2）Composite fertilizer of the present invention is contained using mesoporous silicon oxide as lapping
Some silicon nutrient elements, can make trees cane stand upright, and enhance leaf photosynthesis, have great shadow to the growth quality of plant
It rings, while the ethanolamine hydrochloric salt added in the preparation process of mesoporous silicon oxide has effectively facilitated the shape of mesoporous silicon oxide
At；3）Composite fertilizer of the present invention is a kind of novel environment friendly slow-release compound fertilizer, can delay fertilizer nutrient rate of release, and then make itself and work
The regulation of fertilizer requirement of object is mutually coordinated, while can also alleviate the salinization of soil, increases soil fertility.
Specific implementation mode
The present invention program is described further below by embodiment：
Embodiment 1：
A kind of preparation method of Hibiscus hamabo composite fertilizer includes the system of the preparation of modified silica lotion, slow-release compound fertilizer
It is standby, specifically comprise the following steps：
1）The preparation of meso-porous titanium dioxide silicon emulsion：Transition metal salt is dissolved in the acid solutions such as hydrochloric acid first, at 35 DEG C
Stirring makes it completely dissolved；Modified additive ethanolamine hydrochloric salt and surfactant in aqueous solution is stated then up to continue at 35 DEG C
Magnetic agitation 3h；Esters of silicon acis is added into above-mentioned water solution system again later, continues to detach after stirring 4h, washing, centrifuge, and
High-temperature calcination 2h removes surfactant at 450 DEG C, obtains Metaporous silicon dioxide material；Finally by mesoporous silicon oxide and emulsification
The auxiliary agents such as agent, thickener, dispersant are mixed, and obtain meso-porous titanium dioxide silicon emulsion.Prepared mesoporous silicon oxide breast
Fluid apertures diameter is smaller, large specific surface area, has good water imbibition, water-retaining property and stability, and it is good and nontoxic to disperse suspension
It is tasteless, there is higher chemical stability and biocompatibility, can be used as a kind of excellent composite fertilizer's lapping, while dioxy
SiClx can also provide silicon nutrient element, and silicon nutrient element is the 4th kind of plant necessary to plant after nitrogen, phosphorus, potassium nutrition element
Nutrient nutrient needed for object growth, not only can make trees cane stand upright, additionally it is possible to enhance the photosynthesis of blade, while silicon
The thickness of cell wall can be increased by changing cell so that germ is difficult to invade and resist pest and disease damage, has emphatically to the growth quality of trees
It is big to influence；
2）It is prepared by slow-release compound fertilizer：Using ammonium chloride, urea, Diammonium phosphate (DAP), potassium chloride, concave convex rod and soil conditioner as composite fertilizer
Modified silica lotion is sprayed onto composite fertilizer material table by raw material by each raw material according to after mixing with sprayer
Face is granulated by disc granulation method, and control prilling temperature is 60 DEG C, then carries out cover spray with paraffin liquid after heat drying
It applying, the obtained slow-release compound fertilizer finished product of cooling air-drying, nitrogen, phosphorus, potassium nutrition element abundance and collocation are reasonable in prepared composite fertilizer,
Required nutrition is provided for the growth of trees, and fertilizer nutrient rate of release is delayed by slow releasing function, and then it is made to release
It puts and mutually coordinates with the regulation of fertilizer requirement of crop, while being added to soil conditioner in composite fertilizer, soil soluble salt can not only be changed
Point and balance solution pH value, the influence of soil salt, alkaline stress to arboreal growth is effectively relieved, moreover it is possible to prevent the stream of nitrogen, phosphorus nutrient
It loses, improves the utilization rate of nutritional ingredient in composite fertilizer, be a kind of environmental-friendly new sustained release composite fertilizer.
Above-mentioned Transition metal salt is potassium chloride, is used as guiding agent, and silicate is contributed to live with organic macromolecule surface
Property agent hydrophilic group combine.
The weight ratio of above-mentioned modified additive, Transition metal salt and esters of silicon acis is 20:4:1.
The weight proportion of ethanolamine hydrochloric salt and surfactant is 1 in above-mentioned modified additive:20, the parent of surfactant
Water base is mainly by being constituted with a certain number of oxygen-containing groups, these oxygen-containing groups are generally ether and hydroxyl so that surface
The high stability of activating agent in the solution.Ethanolamine hydrochloric salt is added while surfactant is added, the two cooperation makes
With performance synergistic effect, the active group on ethanolamine hydrochloric salt surface is conducive to esters of silicon acis and the positive silicon of hydrolysis generation occurs
Acid, and then the positive silicic acid generated is repeatedly condensed the silicon for forming silicon dioxide gel ion, while being protonated under strongly acidic conditions
During hydrochlorate is combined with the hydrophilic group of nonionic surfactant, inorganic chlorion offer bridge beam action, and ethanol amine
The addition of hydrochloride can increase the chloride ion content in solution, can effectively facilitate the formation of mesoporous silicon oxide.
At 50 DEG C, the rotating speed of high speed dispersion cutter exists for temperature control in the preparation process of above-mentioned meso-porous titanium dioxide silicon emulsion
900rpm, mixing time 1.5h.
The emulsifier added in the preparation process of above-mentioned meso-porous titanium dioxide silicon emulsion is polyvinyl alcohol, and additive amount is mesoporous
The 36% of silica weight, polyvinyl alcohol have good adhesion and biological degradability, are a kind of ideal high-new environmental protection of green
Emulsion stabilizer can effectively improve the water-retaining property and film forming of silica using polyvinyl alcohol as modifying agent.
The thickener added in the preparation process of above-mentioned meso-porous titanium dioxide silicon emulsion is hydroxypropyl methyl cellulose, addition
Amount is the 6% of mesoporous silicon oxide weight, hydroxypropyl methyl cellulose and carboxymethyl cellulose all have thickening property, dispersibility and
The advantages of film forming is very excellent nonionic surface active agent.
The dispersant added in the preparation process of above-mentioned meso-porous titanium dioxide silicon emulsion is calgon, and additive amount is to be situated between
The 0.5% of hole silica weight, calgon are acted on by improving the steric hindrance of silica lotion, improve titanium dioxide
The dispersion stabilization of silicon emulsion.
Each material composition and parts by weight are as follows in above-mentioned composite fertilizer：35 parts of ammonium chloride, 30 parts of urea, 10 parts of Diammonium phosphate (DAP),
15 parts of potassium chloride, 3 parts of concave convex rod, 4 parts of soil conditioner.
The material composition and parts by weight of above-mentioned soil conditioner are as follows：28 parts of lignin organic matter, 28 parts of zeolite, aluminum sulfate
6 parts, 3 parts of humic acid.Wherein humic acid has replacement suction-operated to harmful ions such as sodium, chlorine, can effectively adjust soil acidity or alkalinity,
Aluminum sulfate can effectively reduce alkalization of soils degree as a kind of soil conditioner of good performance, and the addition of aluminum sulfate can also make calcium
Magnesium plasma is released, and also plays the effect for reducing soil salinity characters degree, while the aluminium in aluminum sulfate to a certain extent
Ion is hydrolyzed into soil, generates aluminum oxide, the OH on surface-And H2PO4Ligand exchange reaction occurs, it can
To lock the P elements in soil, the utilization rate of phosphorus in fertilizer is improved.By lignin organic matter, zeolite, aluminum sulfate and humic acid
It is used in mixed way as the soil conditioner in composite fertilizer, the salinization of soil can not only be effectively relieved, increase soil fertility, adjust soil
Earth pH, moreover it is possible to which the effect for improving edaphon and enzymatic activity contributes to the existence of trees to grow, and with environmental protection, low cost
The characteristics of.
Embodiment 2：
A kind of preparation method of Hibiscus hamabo composite fertilizer includes the system of the preparation of modified silica lotion, slow-release compound fertilizer
It is standby, specifically comprise the following steps：
1）The preparation of meso-porous titanium dioxide silicon emulsion：Zinc chloride is dissolved in dilute hydrochloric acid solution first, being stirred at 40 DEG C makes it
It is completely dissolved；It is 1 to state then up and add weight proportion in aqueous solution:24 modified additive ethanolamine hydrochloric salt and surface-active
Agent continues in 40 DEG C of magnetic agitation 3h；Esters of silicon acis is added into above-mentioned water solution system again later, continues to detach after stirring 4h, wash
It washs, centrifuge, and high-temperature calcination 3h removes surfactant at 500 DEG C, obtains Metaporous silicon dioxide material；Finally by mesoporous two
The auxiliary agents such as silica and polyvinyl alcohol, carboxymethyl cellulose, calgon are mixed, and obtain mesoporous silicon oxide breast
Liquid；
2）It is prepared by slow-release compound fertilizer：Using ammonium chloride, urea, Diammonium phosphate (DAP), potassium chloride, concave convex rod and soil conditioner as composite fertilizer
Modified silica lotion according to a certain ratio after mixing by each raw material is sprayed onto compound by raw material with sprayer
Fertile raw material surface, is granulated by disc granulation method, control prilling temperature be 80 DEG C, then after heat drying with paraffin liquid into
Row cover sprays, and slow-release compound fertilizer finished product is made in cooling air-drying.
The weight ratio of above-mentioned modified additive, Transition metal salt and esters of silicon acis is 25:5:1.
At 60 DEG C, the rotating speed of high speed dispersion cutter exists for temperature control in the preparation process of above-mentioned meso-porous titanium dioxide silicon emulsion
900rpm, mixing time 1.0h.
The additive amount of above-mentioned polyvinyl alcohol is the 35% of mesoporous silicon oxide weight.
The additive amount of above-mentioned carboxymethyl cellulose is the 7% of mesoporous silicon oxide weight.
The additive amount of above-mentioned calgon is the 0.8% of mesoporous silicon oxide weight.
Each material composition and parts by weight are as follows in above-mentioned composite fertilizer：40 parts of ammonium chloride, 30 parts of urea, 10 parts of Diammonium phosphate (DAP),
10 parts of potassium chloride, 3 parts of concave convex rod, 4 parts of soil conditioner.
The material composition and parts by weight of above-mentioned soil conditioner are as follows：20 parts of lignin organic matter, 20 parts of zeolite, aluminum sulfate
10 parts, 4 parts of humic acid.
Embodiment 3：
A kind of preparation method of Hibiscus hamabo composite fertilizer includes the system of the preparation of modified silica lotion, slow-release compound fertilizer
It is standby, specifically comprise the following steps：
1）The preparation of meso-porous titanium dioxide silicon emulsion：Magnesium chloride is dissolved in dilute hydrochloric acid solution first, being stirred at 35 DEG C makes it
It is completely dissolved；It is 1 to state then up and add weight proportion in aqueous solution:26 modified additive ethanolamine hydrochloric salt and surface-active
Agent continues in 35 DEG C of magnetic agitation 3h；Esters of silicon acis is added into above-mentioned water solution system again later, continues to detach after stirring 4h, wash
It washs, centrifuge, and high-temperature calcination 2h removes surfactant at 450 DEG C, obtains Metaporous silicon dioxide material；Finally by mesoporous two
The auxiliary agents such as silica and polyvinyl alcohol, hydroxypropyl methyl cellulose, calgon are mixed, and obtain mesoporous silicon oxide
Lotion；
2）It is prepared by slow-release compound fertilizer：Using ammonium chloride, urea, Diammonium phosphate (DAP), potassium chloride, concave convex rod and soil conditioner as composite fertilizer
Modified silica lotion is sprayed onto composite fertilizer material table by raw material by each raw material according to after mixing with sprayer
Face is granulated by disc granulation method, and control prilling temperature is 70 DEG C, then carries out cover spray with paraffin liquid after heat drying
It applies, slow-release compound fertilizer finished product is made in cooling air-drying.
The weight ratio of above-mentioned modified additive, Transition metal salt and esters of silicon acis is 40: 8:1.
At 80 DEG C, the rotating speed of high speed dispersion cutter exists for temperature control in the preparation process of above-mentioned meso-porous titanium dioxide silicon emulsion
1100rpm, mixing time 1.0h.
The additive amount of above-mentioned polyvinyl alcohol is the 40% of mesoporous silicon oxide weight.
The additive amount of above-mentioned hydroxypropyl methyl cellulose is the 5% of mesoporous silicon oxide weight.
The additive amount of above-mentioned calgon is the 0.5% of mesoporous silicon oxide weight.
Each material composition and parts by weight are as follows in above-mentioned composite fertilizer：45 parts of ammonium chloride, 30 parts of urea, 5 parts of Diammonium phosphate (DAP), chlorine
Change 15 parts of potassium, 3 parts of concave convex rod, 4 parts of soil conditioner.
The material composition and parts by weight of above-mentioned soil conditioner are as follows：30 parts of lignin organic matter, 30 parts of zeolite, aluminum sulfate
5 parts, 2 parts of humic acid.
Embodiment 4
A kind of preparation method of Hibiscus hamabo composite fertilizer includes the system of the preparation of modified silica lotion, slow-release compound fertilizer
It is standby, specifically comprise the following steps：
1）The preparation of meso-porous titanium dioxide silicon emulsion：Magnesium chloride is dissolved in dilute hydrochloric acid solution first, being stirred at 35 DEG C makes it
It is completely dissolved；It states then up and only addition surfactant continuation is added in aqueous solution in 35 DEG C of magnetic agitation 3h；Later again to
Esters of silicon acis is added in above-mentioned water solution system, continues separation, washing, centrifugation after stirring 4h, and high-temperature calcination 2h is gone at 450 DEG C
Except surfactant, Metaporous silicon dioxide material is obtained；Finally by mesoporous silicon oxide and polyvinyl alcohol, hydroxypropyl methyl fiber
The auxiliary agents such as element, calgon are mixed, and obtain meso-porous titanium dioxide silicon emulsion；
2）It is prepared by slow-release compound fertilizer：Using ammonium chloride, urea, Diammonium phosphate (DAP), potassium chloride, concave convex rod and soil conditioner as composite fertilizer
Modified silica lotion is sprayed onto composite fertilizer material table by raw material by each raw material according to after mixing with sprayer
Face is granulated by disc granulation method, and control prilling temperature is 70 DEG C, then carries out cover spray with paraffin liquid after heat drying
It applies, slow-release compound fertilizer finished product is made in cooling air-drying.
The weight ratio of above-mentioned surfactant, Transition metal salt and esters of silicon acis is 40: 8:1.
At 80 DEG C, the rotating speed of high speed dispersion cutter exists for temperature control in the preparation process of above-mentioned meso-porous titanium dioxide silicon emulsion
1100rpm, mixing time 1.0h.
The additive amount of above-mentioned polyvinyl alcohol is the 40% of mesoporous silicon oxide weight.
The additive amount of above-mentioned hydroxypropyl methyl cellulose is the 5% of mesoporous silicon oxide weight.
The additive amount of above-mentioned calgon is the 0.5% of mesoporous silicon oxide weight.
Each material composition and parts by weight are as follows in above-mentioned composite fertilizer：45 parts of ammonium chloride, 30 parts of urea, 5 parts of Diammonium phosphate (DAP), chlorine
Change 15 parts of potassium, 3 parts of concave convex rod, 4 parts of soil conditioner.
The material composition and parts by weight of above-mentioned soil conditioner are as follows：30 parts of lignin organic matter, 30 parts of zeolite, aluminum sulfate
5 parts, 2 parts of humic acid.
The soil of Hibiscus hamabo is planted as research object using Tianjin, and the selected salinization of soil is more serious and the portion of Hibiscus hamabo
There is aetiolation in branch leaf.As a control group with embodiment 4, embodiment 1, embodiment 2, embodiment 3 are used as experimental group, by institute
The composite fertilizer of preparation is applied in the soil, total nitrogen content, content of tatal phosphorus, full potassium content in periodic detection soil, salt content
And soil pH value, specific test result such as table 1.
1 Hibiscus hamabo composite fertilizer application effect table of table
As shown in Table 1, the slow-release compound fertilizer prepared by embodiment 1, embodiment 2 and embodiment 3 can grow for Hibiscus hamabo and provide
The nutrients such as sufficient nitrogen, phosphorus, potassium, while the salinization and alkalization of soil can be improved well, with answering prepared by embodiment 4
Hefei is compared, and slow release effect is notable, and fertilizer efficiency is long, and utilization rate is high.
Routine operation in the operating procedure of the present invention is well known to those skilled in the art, herein without repeating.
Technical scheme of the present invention is described in detail in embodiment described above, it should be understood that the above is only
For specific embodiments of the present invention, it is not intended to restrict the invention, all any modifications made in the spirit of the present invention,
Supplement or similar fashion replacement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of Hibiscus hamabo composite fertilizer, it is characterised in that：The preparation method specifically comprises the following steps：
1）The preparation of meso-porous titanium dioxide silicon emulsion：Transition metal salt, which is dissolved in stirring in the acid solutions such as hydrochloric acid, first keeps its complete
Fully dissolved；Then it adds modified additive ethanolamine hydrochloric salt and surfactant continues to stir；Esters of silicon acis is added later, is continued
It detaches, wash after stirring, centrifugation, and surfactant is removed in high-temperature calcination, obtaining Metaporous silicon dioxide material；To finally it be situated between
The auxiliary agents such as hole silica and emulsifier, thickener, dispersant are mixed, and obtain meso-porous titanium dioxide silicon emulsion；
2）It is prepared by slow-release compound fertilizer：Using ammonium chloride, urea, Diammonium phosphate (DAP), potassium chloride, concave convex rod and soil conditioner as composite fertilizer
Meso-porous titanium dioxide silicon emulsion after mixing by each raw material is sprayed onto composite fertilizer material surface, is granulated by raw material, control
Prilling temperature is 60-80 DEG C, then after heat drying and carries out cover spraying, cooling air-drying obtains slow-release compound fertilizer finished product.
2. a kind of preparation method of Hibiscus hamabo composite fertilizer according to claim 1, it is characterised in that：In the step 1
Transition metal salt is potassium chloride or zinc chloride or magnesium chloride.
3. a kind of preparation method of Hibiscus hamabo composite fertilizer according to claim 1, it is characterised in that：The step 1 changes
The weight ratio of property auxiliary agent, Transition metal salt and esters of silicon acis is in 20-40:4-8:1.
4. a kind of preparation method of Hibiscus hamabo composite fertilizer according to claim 1, it is characterised in that：The step 1 changes
Property auxiliary agent ethanolamine hydrochloric salt and surfactant weight proportion be 1:20-30.
5. a kind of preparation method of Hibiscus hamabo composite fertilizer according to claim 1, it is characterised in that：In the step 1
Mixing time is 1.0-1.5h in mesoporous silicon oxide emulsion preparation process, and temperature is 50-80 DEG C, and high speed dispersion cutter turns
Speed is 900-1100rpm.
6. a kind of preparation method of Hibiscus hamabo composite fertilizer according to claim 1, it is characterised in that：In the step 1
The emulsifier of addition is polyvinyl alcohol, and additive amount is the 30-40% of mesoporous silicon oxide weight.
7. a kind of preparation method of Hibiscus hamabo composite fertilizer according to claim 1, it is characterised in that：In the step 1
Thickener is hydroxypropyl methyl cellulose or carboxymethyl cellulose, and additive amount is the 5-10% of mesoporous silicon oxide weight.
8. a kind of preparation method of Hibiscus hamabo composite fertilizer according to claim 1, it is characterised in that：In the step 1
Dispersant is calgon, and additive amount is the 0.5-1.0% of mesoporous silicon oxide weight.
9. a kind of preparation method of Hibiscus hamabo composite fertilizer according to claim 1, it is characterised in that：In the step 2
The material composition and parts by weight of composite fertilizer are as follows：35-45 parts of ammonium chloride, 30-40 parts of urea, 5-10 parts of Diammonium phosphate (DAP), potassium chloride
10-20 parts, 3-5 parts of concave convex rod, 5-10 parts of soil conditioner.
10. a kind of preparation method of Hibiscus hamabo composite fertilizer according to claim 1, it is characterised in that：In the step 2
The material composition and parts by weight of soil conditioner are as follows：20-30 parts of lignin organic matter, 20-30 parts of zeolite, aluminum sulfate 5-10
Part, 2-4 parts of humic acid.
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| CN112794775A (en) * | 2021-01-19 | 2021-05-14 | 上海工程技术大学 | Microcapsule soil conditioner and preparation method thereof |
| CN113149775A (en) * | 2020-12-31 | 2021-07-23 | 河南好年景生物发展有限公司 | Controlled-release pesticide fertilizer granule containing aryl pyrrole carbonitrile and methoxyacrylate |
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