CN113214010A - Magnesium oxide and zinc oxide suspension fertilizer and preparation method thereof - Google Patents
Magnesium oxide and zinc oxide suspension fertilizer and preparation method thereof Download PDFInfo
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- CN113214010A CN113214010A CN202110581115.4A CN202110581115A CN113214010A CN 113214010 A CN113214010 A CN 113214010A CN 202110581115 A CN202110581115 A CN 202110581115A CN 113214010 A CN113214010 A CN 113214010A
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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
- C05C—NITROGENOUS FERTILISERS
- C05C1/00—Ammonium nitrate fertilisers
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- 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
- C05G3/30—Anti-agglomerating additives; Anti-solidifying additives
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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
- C05G3/50—Surfactants; Emulsifiers
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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
- C05G3/70—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting wettability, e.g. drying agents
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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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
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Abstract
The invention discloses a suspended fertilizer containing magnesium oxide or zinc oxide or a mixture of the magnesium oxide and the zinc oxide and a preparation method thereof, and relates to the technical field of fertilizers. The fertilizer comprises magnesium oxide, zinc oxide, a dispersing agent, a urea nitramine solution, polyhydric alcohol, a wetting agent, an antifreezing agent, a defoaming agent, salad oil, rhamnolipid, a thickening agent, a high polymer, humic acid and diatomite, and finally forms a suspended fertilizer which has high concentration, low cost and no need of grinding by a sand mill, improves the storage stability, greatly reduces the production cost, has good popularization and application prospects, simultaneously strengthens the fertility, can prolong the fertilizer efficiency time, thereby reducing the loss of the agricultural fertilizer, achieves the effects of improving the soil quality and improving the crop yield, can effectively form an oily protective film on the surface of fertilizer particles when in use, further achieves the aim of preventing the fertilizer from caking, improves the quality and quality of products, and ensures the normal growth of crops.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to a magnesium oxide and zinc oxide suspension fertilizer and a preparation method thereof.
Background
With the development of modern facility agriculture and the popularization and application of pipeline fertilization technology, drip irrigation and spray irrigation fertilization technology is popularized in China, the application of the technology can be realized only by dissolving fertilizer in water, more and more farmers also dissolve the fertilizer in water and then apply the fertilizer in the process of topdressing crops, and meanwhile, the compound fertilizer is applied more and more widely.
However, the existing liquid fertilizer containing magnesium and zinc mostly adopts magnesium sulfate and zinc sulfate as raw materials, has great defects and defects, and is mainly shown in the following aspects:
1. the concentration is low, a large amount of components in the product are water, the transportation and packaging cost is high, and the market demand of the product is limited. The main reason is that the concentration cannot be made high due to the solubility of magnesium sulfate and zinc sulfate.
2. The stability is poor, the magnesium oxide and the zinc oxide are partially adopted as raw materials to prepare the suspended fertilizer, but the two oxides can generate slow chemical reaction when meeting water, become hydroxide, and the product is deteriorated, generates precipitate, even gels, and cannot be used;
3. the fineness requirement of the magnesia calcium oxide is high, and the magnesia calcium oxide needs to be ground to more than 500 meshes to obtain better storage stability.
In order to solve the problems, workers in the field propose a magnesium oxide and zinc oxide suspension fertilizer and a preparation method thereof.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a magnesium oxide and zinc oxide suspension fertilizer and a preparation method thereof, and solves the problems of low concentration, poor stability and high fineness requirement of magnesium oxide and calcium oxide of the existing magnesium and zinc containing liquid fertilizer.
In order to achieve the purpose, the invention is realized by the following technical scheme: a magnesium oxide and zinc oxide suspension fertilizer comprises a material A and a material B;
the material A comprises the following components: the anti-freezing agent comprises water, urea nitramine solution, polyalcohol, a dispersing agent, a wetting agent, an antifreezing agent, a defoaming agent, a thickening agent, a high molecular polymer, humic acid and diatomite, and is prepared from the following components in parts by mass: 29.0-31.0 parts of water, 38.6-76.9 parts of urea nitramine solution, 4.2-6.2 parts of polyol, 1.0-6.0 parts of dispersant, 2.3-4.7 parts of wetting agent, 3.6-6.6 parts of antifreezing agent, 0.2-0.4 part of defoaming agent, 4.0-5.0 parts of thickening agent, 8.6-11.4 parts of high molecular polymer, 1.2-4.7 parts of humic acid and 6.3-10.5 parts of diatomite;
the material B comprises the following components: magnesium oxide or zinc oxide or a mixture of magnesium oxide and zinc oxide, a dispersing agent, water, polyhydric alcohol, a wetting agent, salad oil, rhamnolipid and a high molecular polymer, and is prepared from the following components in parts by mass: 50.0-70.0 parts of magnesium oxide or zinc oxide or a mixture of magnesium oxide and zinc oxide, 1.0-6.0 parts of dispersant, 29.0-31.0 parts of water, 4.2-6.2 parts of polyalcohol, 2.3-4.7 parts of wetting agent, 1.8-5.6 parts of salad oil, 0.6-1.5 parts of rhamnolipid and 8.6-11.4 parts of high molecular polymer.
Preferably, the material A is prepared from the following components in parts by mass: the material A is prepared from the following components in parts by mass: 29.0 parts of water, 38.6 parts of urea nitramine solution, 4.2 parts of polyalcohol, 1.0 part of dispersant, 2.3 parts of wetting agent, 3.6 parts of antifreeze, 0.2 part of defoamer, 4.0 parts of thickener, 8.6 parts of high molecular polymer, 1.2 parts of humic acid and 6.3 parts of diatomite;
the material B is prepared from the following components in parts by mass: 50.0 parts of magnesium oxide, 1.0 part of dispersant, 29.0 parts of water, 4.2 parts of polyol, 2.3 parts of wetting agent, 0.2 part of defoamer, 1.8 parts of salad oil, 0.6 part of rhamnolipid and 8.6 parts of high molecular polymer.
Preferably, the material A is prepared from the following components in parts by mass: 31.0 parts of water, 76.9 parts of urea nitramine solution, 6.2 parts of polyalcohol, 6.0 parts of dispersing agent, 4.7 parts of wetting agent, 6.6 parts of antifreezing agent, 0.4 part of defoaming agent, 5.0 parts of thickening agent, 11.4 parts of high molecular polymer, 4.7 parts of humic acid and 10.5 parts of diatomite;
the material B is prepared from the following components in parts by mass: 70.0 parts of zinc oxide, 6.0 parts of dispersing agent, 31.0 parts of water, 4.7 parts of wetting agent, 6.6 parts of antifreezing agent, 0.4 part of defoaming agent, 5.6 parts of salad oil, 1.5 parts of rhamnolipid and 1.4 parts of high molecular polymer.
Preferably, the material A is prepared from the following components in parts by mass: 30.0 parts of water, 50.7 parts of urea nitramine solution, 5.0 parts of polyalcohol, 3.0 parts of dispersant, 2.0 parts of wetting agent, 5.2 parts of antifreeze, 0.3 part of defoamer, 4.5 parts of thickener, 10.2 parts of high molecular polymer, 3.1 parts of humic acid and 8.5 parts of diatomite;
the material B is prepared from the following components in parts by mass: 60.0 parts of mixture of magnesium oxide and zinc oxide, 3.0 parts of dispersant, 30.0 parts of water, 5.0 parts of polyol, 2.0 parts of wetting agent, 3.0 parts of salad oil, 1.0 part of rhamnolipid, 4.5 parts of thickening agent and 10.2 parts of high molecular polymer.
Preferably, the polyhydric alcohol is polyethylene glycol, the dispersing agent is polycarboxylate, the wetting agent is alkyl glycoside, the defoaming agent is an organic silicon defoaming agent, and the antifreezing agent is glycerol.
Preferably, the humic acid is one or more of potassium humate, sodium humate and molasses alcohol waste liquor;
the thickening agent is formed by mixing one or more of xanthan gum, methyl cellulose, carboxymethyl cellulose and hydroxyethyl cellulose.
Preferably, the high molecular polymer is one or more of paraffin, resin, asphalt and polyvinyl alcohol.
The preparation method of the magnesium oxide and zinc oxide suspension fertilizer comprises the following steps:
s1, preparation of material A: adding water and urea nitramine solution into a reaction kettle, stirring, sequentially adding polyethylene glycol, polycarboxylate, alkyl glycoside, defoaming agent and other liquid raw materials, after uniformly stirring, sequentially adding glycerol, humic acid, diatomite and high-molecular polymer, then mixing for the second time, after uniformly mixing, opening a high-speed shearing machine, and obtaining material A after 10 minutes;
s2, preparing a material B: adding water into a reaction kettle, stirring, sequentially adding liquid raw materials such as polyethylene glycol, polycarboxylate, alkyl glycoside, rhamnolipid and the like, uniformly stirring, sequentially adding salad oil and high molecular polymer, mixing for the second time, after uniform mixing, sucking magnesium oxide or zinc oxide or a mixture of magnesium oxide and zinc oxide by using a shearing conveying pump, and continuously shearing for 10 minutes after all the materials are added to obtain a material B;
s3, preparing a mixture: and (3) sequentially pumping the material A prepared in the step S1 and the material B prepared in the step S2 into a reaction kettle, mixing the materials, opening a high-speed shearing machine after the mixing is finished, obtaining a mixed primary finished product after 15 minutes, and finally, charging and packaging to obtain a finished product of magnesium oxide or zinc oxide or a mixture of magnesium oxide and zinc oxide.
Preferably, the shearing speed of the shearing machine used for preparing the material A is 2000-3500 r/min, the shearing speed of the shearing machine used for preparing the material B is 3500-6000r/min, and the shearing speed of the shearing machine used for preparing the mixture is 3500-6000 r/min.
Preferably, the stirring rotating speed of the reaction kettle used for preparing the material A and the material B is 35-85r/min, the internal temperature of the reaction kettle is 25-62 ℃, the stirring time is 20-30min, the stirring rotating speed of the reaction kettle used for preparing the mixture is 20-50r/min, and the stirring time is 20-50 min.
Advantageous effects
The invention provides a magnesium oxide and zinc oxide suspension fertilizer and a preparation method thereof. Compared with the prior art, the method has the following beneficial effects:
1. a suspended fertilizer of magnesium oxide and zinc oxide is prepared through adding rhamnolipid which is an anionic biosurfactant generated by microbes and has strong oil-water mixing power, and mixing water-insoluble salad oil with water stably to coat on the surface of magnesium oxide or zinc oxide particles.
2. The suspended fertilizer is prepared by mixing the structure, and has higher concentration, low cost, no need of grinding by a sand mill, improved storage stability, and greatly reduced production cost.
3. The magnesium oxide and zinc oxide suspension fertilizer and the preparation method thereof not only further strengthen the fertility, but also prolong the time of fertilizer efficiency by adding humic acid and diatomite, thereby reducing the loss of agricultural fertilizer and achieving the effects of improving the soil quality and improving the crop yield.
4. A magnesium oxide and zinc oxide suspension fertilizer and a preparation method thereof are disclosed, wherein a high molecular polymer is added in the fertilizer, so that a layer of water-resistant protective film can be effectively formed on the surface of the fertilizer when the fertilizer is used, the purpose of preventing the fertilizer from caking is further achieved, the quality and quality of the product are improved, and the normal growth of crops is ensured.
Drawings
FIG. 1 is a flow chart of the preparation method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a technical scheme that: a magnesium oxide and zinc oxide suspension fertilizer is characterized in that a material A is prepared from the following components in parts by mass: 29.0 parts of water, 38.6 parts of urea nitramine solution, 4.2 parts of polyalcohol, 1.0 part of dispersant, 2.3 parts of wetting agent, 3.6 parts of antifreeze, 0.2 part of defoamer, 4.0 parts of thickener, 8.6 parts of high molecular polymer, 1.2 parts of humic acid and 6.3 parts of diatomite;
the material B is prepared from the following components in parts by mass: 50.0 parts of magnesium oxide, 1.0 part of dispersant, 29.0 parts of water, 4.2 parts of polyol, 2.3 parts of wetting agent, 0.2 part of defoamer, 1.8 parts of salad oil, 0.6 part of rhamnolipid and 8.6 parts of high molecular polymer.
In this embodiment, the polyol is polyethylene glycol, the dispersant is polycarboxylate, the wetting agent is alkyl glycoside, the defoamer is silicone defoamer, and the antifreeze agent is glycerin.
In this example, the humic acid is potassium humate;
in this embodiment, the thickener is a mixture of one or more of xanthan gum and methylcellulose.
In this embodiment, the high molecular polymer is a mixture of one or more of paraffin and resin.
The preparation method of the magnesium oxide and zinc oxide suspension fertilizer comprises the following steps:
s1, preparation of material A: adding water and urea nitramine solution into a reaction kettle, stirring, sequentially adding polyethylene glycol, polycarboxylate, alkyl glycoside, defoaming agent and other liquid raw materials, after uniformly stirring, sequentially adding glycerol, humic acid, diatomite and high-molecular polymer, then mixing for the second time, after uniformly mixing, opening a high-speed shearing machine, and obtaining material A after 10 minutes;
s2, preparing a material B: adding water into a reaction kettle, stirring, sequentially adding liquid raw materials such as polyethylene glycol, polycarboxylate, alkyl glycoside, rhamnolipid and the like, uniformly stirring, then sequentially adding salad oil and high molecular polymer, mixing for the second time, after uniform mixing, sucking magnesium oxide by a shearing and conveying pump, and continuously shearing for 10 minutes after all the materials are added to obtain a material B;
s3, preparing a mixture: and (3) sequentially pumping the material A prepared in the step S1 and the material B prepared in the step S2 into a reaction kettle, mixing the materials, opening a high-speed shearing machine after the materials are mixed, obtaining a mixed primary finished product after 15 minutes, and finally, loading and packaging to obtain the magnesium oxide.
In this embodiment, the shearing speed of the shearing machine used for preparing the material a is 2000r/min, the shearing speed of the shearing machine used for preparing the material B is 3500r/min, and the shearing speed of the shearing machine used for preparing the mixture is 3500 r/min.
In the embodiment, the stirring rotating speeds of the reaction kettles for preparing the material A and the material B are both 35r/min, the internal temperatures are both 25 ℃, the stirring time is 20min, the stirring rotating speed of the reaction kettle for preparing the mixture is 20r/min, and the stirring time is 20 min.
Example 2
The invention provides a technical scheme that: a magnesium oxide and zinc oxide suspension fertilizer is characterized in that a material A is prepared from the following components in parts by mass: 31.0 parts of water, 76.9 parts of urea nitramine solution, 6.2 parts of polyalcohol, 6.0 parts of dispersing agent, 4.7 parts of wetting agent, 6.6 parts of antifreezing agent, 0.4 part of defoaming agent, 5.0 parts of thickening agent, 11.4 parts of high molecular polymer, 4.7 parts of humic acid and 10.5 parts of diatomite;
the material B is prepared from the following components in parts by mass: 70.0 parts of zinc oxide, 6.0 parts of dispersing agent, 31.0 parts of water, 4.7 parts of wetting agent, 6.6 parts of antifreezing agent, 0.4 part of defoaming agent, 5.6 parts of salad oil, 1.5 parts of rhamnolipid and 1.4 parts of high molecular polymer.
In this embodiment, the polyol is polyethylene glycol, the dispersant is polycarboxylate, the wetting agent is alkyl glycoside, the defoamer is silicone defoamer, and the antifreeze agent is glycerin.
In this example, the humic acid is sodium humate;
in this example, the thickener is carboxymethyl cellulose.
In this embodiment, the high molecular weight polymer is asphalt.
The preparation method of the magnesium oxide and zinc oxide suspension fertilizer comprises the following steps:
s1, preparation of material A: adding water and urea nitramine solution into a reaction kettle, stirring, sequentially adding polyethylene glycol, polycarboxylate, alkyl glycoside, defoaming agent and other liquid raw materials, after uniformly stirring, sequentially adding glycerol, humic acid, diatomite and high-molecular polymer, then mixing for the second time, after uniformly mixing, opening a high-speed shearing machine, and obtaining material A after 10 minutes;
s2, preparing a material B: adding water into a reaction kettle, stirring, sequentially adding liquid raw materials such as polyethylene glycol, polycarboxylate, alkyl glycoside, rhamnolipid and the like, uniformly stirring, then sequentially adding salad oil and high molecular polymer, mixing for the second time, after uniform mixing, sucking zinc oxide by using a shearing conveying pump, and continuously shearing for 10 minutes after all the materials are added to obtain a material B;
s3, preparing a mixture: and (3) sequentially pumping the material A prepared in the step S1 and the material B prepared in the step S2 into a reaction kettle, mixing the materials, opening a high-speed shearing machine after the mixing is finished, obtaining a mixed primary finished product after 15 minutes, and finally, loading and packaging to obtain the zinc oxide.
In the embodiment, the shearing speed of the shearing machine used for preparing the material A is 3500r/min, the shearing speed of the shearing machine used for preparing the material B is 6000r/min, and the shearing speed of the shearing machine used for preparing the mixture is 6000 r/min.
In the embodiment, the stirring rotating speeds of the reaction kettles for preparing the material A and the material B are both 85r/min, the internal temperatures of the reaction kettles are both 62 ℃, the stirring time is 30min, the stirring rotating speed of the reaction kettle for preparing the mixture is 50r/min, and the stirring time is 50 min.
Example 3
The invention provides a technical scheme that: a magnesium oxide and zinc oxide suspension fertilizer is characterized in that a material A is prepared from the following components in parts by mass: 30.0 parts of water, 50.7 parts of urea nitramine solution, 5.0 parts of polyalcohol, 3.0 parts of dispersant, 2.0 parts of wetting agent, 5.2 parts of antifreeze, 0.3 part of defoamer, 4.5 parts of thickener, 10.2 parts of high molecular polymer, 3.1 parts of humic acid and 8.5 parts of diatomite;
the material B is prepared from the following components in parts by mass: 60.0 parts of mixture of magnesium oxide and zinc oxide, 3.0 parts of dispersant, 30.0 parts of water, 5.0 parts of polyol, 2.0 parts of wetting agent, 3.0 parts of salad oil, 1.0 part of rhamnolipid, 4.5 parts of thickening agent and 10.2 parts of high molecular polymer.
In this embodiment, the polyol is polyethylene glycol, the dispersant is polycarboxylate, the wetting agent is alkyl glycoside, the defoamer is silicone defoamer, and the antifreeze agent is glycerin.
In the embodiment, the humic acid is molasses alcohol waste liquor;
in this example, the thickener is hydroxyethyl cellulose.
In this embodiment, the high molecular weight polymer is polyvinyl alcohol.
The preparation method of the magnesium oxide and zinc oxide suspension fertilizer comprises the following steps:
s1, preparation of material A: adding water and urea nitramine solution into a reaction kettle, stirring, sequentially adding polyethylene glycol, polycarboxylate, alkyl glycoside, defoaming agent and other liquid raw materials, after uniformly stirring, sequentially adding glycerol, humic acid, diatomite and high-molecular polymer, then mixing for the second time, after uniformly mixing, opening a high-speed shearing machine, and obtaining material A after 10 minutes;
s2, preparing a material B: adding water into a reaction kettle, stirring, sequentially adding liquid raw materials such as polyethylene glycol, polycarboxylate, alkyl glycoside, rhamnolipid and the like, uniformly stirring, then sequentially adding salad oil and high molecular polymer, mixing for the second time, after uniform mixing, sucking a mixture of magnesium oxide and zinc oxide by using a shearing conveying pump, and continuously shearing for 10 minutes after all the materials are added to obtain a material B;
s3, preparing a mixture: and (3) sequentially pumping the material A prepared in the step S1 and the material B prepared in the step S2 into a reaction kettle, mixing the materials, opening a high-speed shearing machine after the materials are mixed, obtaining a mixed primary finished product after 15 minutes, and finally, loading and packaging to obtain a finished product of the mixture of the magnesium oxide and the zinc oxide.
In the embodiment, the shearing speed of the shearing machine used for preparing the material A is 3000r/min, the shearing speed of the shearing machine used for preparing the material B is 5000r/min, and the shearing speed of the shearing machine used for preparing the mixture is 5000 r/min.
In the embodiment, the stirring rotating speeds of the reaction kettles for preparing the material A and the material B are both 60r/min, the internal temperatures of the reaction kettles are both 50 ℃, the stirring time is 25min, the stirring rotating speed of the reaction kettle for preparing the mixture is 45r/min, and the stirring time is 30 min.
In addition, rhamnolipids are anionic biosurfactants produced by microorganisms, which are soluble not only in methanol, chloroform and diethyl ether but also in alkaline aqueous solutions. It has both good chemical and biological properties. The rhamnolipid biosurfactant has amphipathy of oil and water, can reduce the surface tension of the water, can be used as a wetting agent, an emulsifying agent and a foaming agent, can be used under extreme conditions of temperature, pH value and salinity, is non-toxic and can be biodegraded;
has the following effects:
1. the new generation of micromolecule erythritol chelated zinc has the zinc content as high as 160 g/L, and the special active substances cooperate with a zinc ion transmembrane absorption mode, so that the absorption efficiency is high and the fertilizer efficiency is long;
2. preventing and correcting yellow leaves, small leaves, blocked growth at the top, short and small plants, small fruits and thick peel and the like which appear when crops lack of zinc;
3. the quality of pollen is improved, the development of reproductive organs is promoted, the pollination fertility rate is improved, and the phenomena of fruit drop and fruit stiffness of fruit trees are prevented;
4. preventing growth point necrosis, and enhancing growth of growth points of leaves, stems, roots, buds, flowers and fruits of crops;
5. the pure nutrient preparation does not contain hormone or chlorine, has low EC value and is safe to apply;
6. applicable crops are as follows: fruit trees, vegetables, field crops, flowers and trees and medicinal materials.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The magnesium oxide and zinc oxide suspension fertilizer is characterized by comprising a material A and a material B;
the material A comprises the following components: the anti-freezing agent comprises water, urea nitramine solution, polyalcohol, a dispersing agent, a wetting agent, an antifreezing agent, a defoaming agent, a thickening agent, a high molecular polymer, humic acid and diatomite, and is prepared from the following components in parts by mass: 29.0-31.0 parts of water, 38.6-76.9 parts of urea nitramine solution, 4.2-6.2 parts of polyol, 1.0-6.0 parts of dispersant, 2.3-4.7 parts of wetting agent, 3.6-6.6 parts of antifreezing agent, 0.2-0.4 part of defoaming agent, 4.0-5.0 parts of thickening agent, 8.6-11.4 parts of high molecular polymer, 1.2-4.7 parts of humic acid and 6.3-10.5 parts of diatomite;
the material B comprises the following components: magnesium oxide or zinc oxide or a mixture of magnesium oxide and zinc oxide, a dispersing agent, water, polyhydric alcohol, a wetting agent, salad oil, rhamnolipid and a high molecular polymer, and is prepared from the following components in parts by mass: 50.0-70.0 parts of magnesium oxide or zinc oxide or a mixture of magnesium oxide and zinc oxide, 1.0-6.0 parts of dispersant, 29.0-31.0 parts of water, 4.2-6.2 parts of polyalcohol, 2.3-4.7 parts of wetting agent, 1.8-5.6 parts of salad oil, 0.6-1.5 parts of rhamnolipid and 8.6-11.4 parts of high molecular polymer.
2. The suspended fertilizer containing magnesium oxide and zinc oxide as claimed in claim 1, wherein the material A is prepared from the following components in parts by mass: 29.0 parts of water, 38.6 parts of urea nitramine solution, 4.2 parts of polyalcohol, 1.0 part of dispersant, 2.3 parts of wetting agent, 3.6 parts of antifreeze, 0.2 part of defoamer, 4.0 parts of thickener, 8.6 parts of high molecular polymer, 1.2 parts of humic acid and 6.3 parts of diatomite;
the material B is prepared from the following components in parts by mass: 50.0 parts of magnesium oxide, 1.0 part of dispersant, 29.0 parts of water, 4.2 parts of polyol, 2.3 parts of wetting agent, 0.2 part of defoamer, 1.8 parts of salad oil, 0.6 part of rhamnolipid and 8.6 parts of high molecular polymer.
3. The suspended fertilizer containing magnesium oxide and zinc oxide as claimed in claim 1, wherein the material A is prepared from the following components in parts by mass: 31.0 parts of water, 76.9 parts of urea nitramine solution, 6.2 parts of polyalcohol, 6.0 parts of dispersing agent, 4.7 parts of wetting agent, 6.6 parts of antifreezing agent, 0.4 part of defoaming agent, 5.0 parts of thickening agent, 11.4 parts of high molecular polymer, 4.7 parts of humic acid and 10.5 parts of diatomite;
the material B is prepared from the following components in parts by mass: 70.0 parts of zinc oxide, 6.0 parts of dispersing agent, 31.0 parts of water, 4.7 parts of wetting agent, 6.6 parts of antifreezing agent, 0.4 part of defoaming agent, 5.6 parts of salad oil, 1.5 parts of rhamnolipid and 1.4 parts of high molecular polymer.
4. The magnesium oxide-zinc oxide suspension fertilizer as claimed in claim 1, wherein the material A is prepared from the following components in parts by mass: 30.0 parts of water, 50.7 parts of urea nitramine solution, 5.0 parts of polyalcohol, 3.0 parts of dispersant, 2.0 parts of wetting agent, 5.2 parts of antifreeze, 0.3 part of defoamer, 4.5 parts of thickener, 10.2 parts of high molecular polymer, 3.1 parts of humic acid and 8.5 parts of diatomite;
the material B is prepared from the following components in parts by mass: 60.0 parts of mixture of magnesium oxide and zinc oxide, 3.0 parts of dispersant, 30.0 parts of water, 5.0 parts of polyol, 2.0 parts of wetting agent, 3.0 parts of salad oil, 1.0 part of rhamnolipid, 4.5 parts of thickening agent and 10.2 parts of high molecular polymer.
5. The magnesium oxide-zinc oxide suspension fertilizer as claimed in claim 1, wherein said polyhydric alcohol is polyethylene glycol, said dispersing agent is polycarboxylate, said wetting agent is alkyl glycoside, said defoaming agent is silicone defoaming agent, and said antifreezing agent is glycerin.
6. The magnesium oxide and zinc oxide suspension fertilizer as claimed in claim 1, wherein the humic acid is one or more of potassium humate, sodium humate and molasses alcohol waste liquor;
the thickening agent is formed by mixing one or more of xanthan gum, methyl cellulose, carboxymethyl cellulose and hydroxyethyl cellulose.
7. The magnesium oxide-zinc oxide suspension fertilizer as claimed in claim 1, wherein the high molecular polymer is one or more of paraffin, resin, asphalt and polyvinyl alcohol.
8. The magnesium oxide-zinc oxide suspension fertilizer as claimed in any one of claims 1 to 7, wherein the preparation method comprises the following steps:
s1, preparation of material A: adding water and urea nitramine solution into a reaction kettle, stirring, sequentially adding polyethylene glycol, polycarboxylate, alkyl glycoside, defoaming agent and other liquid raw materials, after uniformly stirring, sequentially adding glycerol, humic acid, diatomite and high-molecular polymer, then mixing for the second time, after uniformly mixing, opening a high-speed shearing machine, and obtaining material A after 10 minutes;
s2, preparing a material B: adding water into a reaction kettle, stirring, sequentially adding liquid raw materials such as polyethylene glycol, polycarboxylate, alkyl glycoside, rhamnolipid and the like, uniformly stirring, sequentially adding salad oil and high molecular polymer, mixing for the second time, after uniform mixing, sucking magnesium oxide or zinc oxide or a mixture of magnesium oxide and zinc oxide by using a shearing conveying pump, and continuously shearing for 10 minutes after all the materials are added to obtain a material B;
s3, preparing a mixture: and (3) sequentially pumping the material A prepared in the step S1 and the material B prepared in the step S2 into a reaction kettle, mixing the materials, opening a high-speed shearing machine after the mixing is finished, obtaining a mixed primary finished product after 15 minutes, and finally, charging and packaging to obtain a finished product of magnesium oxide or zinc oxide or a mixture of magnesium oxide and zinc oxide.
9. The method for preparing the magnesium oxide and zinc oxide suspended fertilizer as claimed in claim 8, wherein the shearing speed of the shearing machine used for preparing the material A is 2000-3500 r/min, the shearing speed of the shearing machine used for preparing the material B is 3500-6000r/min, and the shearing speed of the shearing machine used for preparing the mixture material is 3500-6000 r/min.
10. The preparation method of the magnesium oxide and zinc oxide suspended fertilizer as claimed in claim 8, wherein the stirring rotation speed of the reaction kettle used for preparing the material A and the material B is 35-85r/min, the internal temperature of the reaction kettle is 25-62 ℃, the stirring time is 20-30min, the stirring rotation speed of the reaction kettle used for preparing the mixture is 20-50r/min, and the stirring time is 20-50 min.
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| DE2406714A1 (en) * | 1974-02-13 | 1975-08-21 | Philips Patentverwaltung | Liquid fertilizer formulations - contg. insoluble nutrients dispersed in aqueous solutions of soluble nutrients |
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