CN116986940A - Method for chemically synthesizing water-soluble fertilizer - Google Patents
Method for chemically synthesizing water-soluble fertilizer Download PDFInfo
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- CN116986940A CN116986940A CN202310584260.7A CN202310584260A CN116986940A CN 116986940 A CN116986940 A CN 116986940A CN 202310584260 A CN202310584260 A CN 202310584260A CN 116986940 A CN116986940 A CN 116986940A
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- soluble fertilizer
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 127
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 81
- DZHMRSPXDUUJER-UHFFFAOYSA-N [amino(hydroxy)methylidene]azanium;dihydrogen phosphate Chemical compound NC(N)=O.OP(O)(O)=O DZHMRSPXDUUJER-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011573 trace mineral Substances 0.000 claims abstract description 17
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000002425 crystallisation Methods 0.000 claims abstract description 9
- 238000013329 compounding Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000004806 packaging method and process Methods 0.000 claims abstract description 8
- 238000007873 sieving Methods 0.000 claims abstract description 8
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 8
- 238000005303 weighing Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 15
- 229940090496 Urease inhibitor Drugs 0.000 claims description 14
- 239000000378 calcium silicate Substances 0.000 claims description 14
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 14
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 14
- 239000002738 chelating agent Substances 0.000 claims description 14
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 14
- 239000003112 inhibitor Substances 0.000 claims description 14
- 239000004094 surface-active agent Substances 0.000 claims description 14
- 239000002601 urease inhibitor Substances 0.000 claims description 14
- 230000035484 reaction time Effects 0.000 claims description 8
- 239000003085 diluting agent Substances 0.000 claims description 7
- 239000002270 dispersing agent Substances 0.000 claims description 7
- 230000000813 microbial effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 235000013343 vitamin Nutrition 0.000 claims description 4
- 239000011782 vitamin Substances 0.000 claims description 4
- 229940088594 vitamin Drugs 0.000 claims description 4
- 229930003231 vitamin Natural products 0.000 claims description 4
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 4
- 241000194108 Bacillus licheniformis Species 0.000 claims description 3
- 244000063299 Bacillus subtilis Species 0.000 claims description 3
- 241000222122 Candida albicans Species 0.000 claims description 3
- 241000223261 Trichoderma viride Species 0.000 claims description 3
- 229940095731 candida albicans Drugs 0.000 claims description 3
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000001308 synthesis method Methods 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 235000002566 Capsicum Nutrition 0.000 description 1
- 240000008574 Capsicum frutescens Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001390 capsicum minimum Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 235000012041 food component Nutrition 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
-
- 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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
-
- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a method for chemically synthesizing a water-soluble fertilizer, which relates to the technical field of water-soluble fertilizers and comprises the following steps: s1, raw material treatment: weighing a certain amount of urea phosphate and potassium hydroxide, filtering and sieving; s2, compounding: mixing the sieved urea phosphate and potassium hydroxide according to a proportion, adding into a reaction kettle, and adding water into the reaction kettle; s3, synthesis reaction: adding a reaction auxiliary agent and trace elements into the reaction kettle, controlling the temperature in the reaction kettle at 40-60 ℃ and reacting for 2-6 hours; s4, cooling: after the reaction is finished, adding an anti-crystallization agent into the reaction system, stirring, mixing, cooling to obtain a finished product, and packaging.
Description
Technical Field
The invention relates to the technical field of water-soluble fertilizers, in particular to a method for chemically synthesizing a water-soluble fertilizer.
Background
The water-soluble fertilizer is a multi-element compound fertilizer which can be dissolved in water, is easy to dissolve and absorb, improves the utilization rate, and is more critical to be applied to the fertilization requirement of spray irrigation and drip irrigation, realizes the integration of water and fertilizer, has the characteristics of convenience, high efficiency, high quality and the like, has the characteristics of product diversification, can be added with other materials in the granulating process at one of the counties, can enlarge the nutrient composition of the product, can improve the added value of the product, and is an operation mode which is economical and has use value.
The prior art generally adopts the production process that water-soluble raw materials are dissolved and mixed to prepare a product, and the water-soluble raw materials are limited in temperature and solubility, so that high-concentration products are difficult to produce, the quality of the product is affected by salting out, precipitation, crystallization and other phenomena of the existing formula products, such as damage and pollution to crops and soil caused by adding chemical auxiliary agents such as suspending agents, solubilizers and the like.
Disclosure of Invention
The invention aims to provide a method for chemically synthesizing a water-soluble fertilizer, which is used for realizing the technical effects of simple components, easy manufacture, more chemical reagent participation reduction and ecological environment pollution reduction.
The invention is realized by the following technical scheme: the method comprises the following steps of:
s1 raw material treatment
Weighing a certain amount of urea phosphate and potassium hydroxide, filtering and sieving;
s2, compounding
Mixing the sieved urea phosphate and potassium hydroxide according to a proportion, adding into a reaction kettle, and adding water into the reaction kettle;
s3: synthesis reaction
Adding a reaction auxiliary agent and trace elements into the reaction kettle, controlling the temperature in the reaction kettle at 40-60 ℃ and reacting for 2-6 hours;
s4: cooling
After the reaction is finished, adding an anti-crystallization agent into the reaction system, stirring, mixing, cooling to obtain a finished product, and packaging.
In order to better realize the invention, the molar ratio of urea phosphate to potassium hydroxide is 3:2.
In order to better practice the invention, further, the reaction aid includes a dispersant, a penetrant, and a diluent.
In order to better realize the invention, further, in the S3 synthetic reaction process, a slow release material is also added into the reaction system,
the slow release material comprises the following materials in parts by weight
1-10 parts of urease inhibitor, 1-5 parts of nitrification inhibitor, 20-30 parts of disodium hydrogen phosphate, 20-50 parts of calcium silicate, 5-10 parts of surfactant and 8-20 parts of chelating agent.
In order to better realize the invention, the slow release material further comprises the following materials in parts by weight
6 parts of urease inhibitor, 3 parts of nitrification inhibitor, 25 parts of disodium hydrogen phosphate, 35 parts of calcium silicate, 8 parts of surfactant and 12 parts of chelating agent.
In order to better realize the invention, the S3 synthesis method is as follows:
adding the disodium hydrogen phosphate, the calcium silicate, the nitrification inhibitor and the urease inhibitor into water, and stirring and mixing to prepare a first mixture;
adding the first mixture, the compounded urea phosphate and potassium hydroxide into a reaction kettle, and stirring for reaction, wherein the reaction condition is that the temperature is 50-60 ℃ and the reaction time is 1-3 hours;
adding a reaction auxiliary agent and trace elements into the reaction kettle, and continuing the reaction at 40-50 ℃ for 1-2 hours;
and finally, adding the surfactant and the chelating agent into the reaction kettle, continuously stirring, and cooling.
In order to better realize the invention, the first mixture, the urea phosphate and the potassium hydroxide after being compounded are added into a reaction kettle together for stirring reaction, wherein the reaction condition is that the temperature is 55 ℃, and the reaction time is 2 hours.
In order to better realize the invention, further, adding a reaction auxiliary agent and trace elements into the reaction kettle, and continuing the reaction under the reaction condition of 45 ℃ for 2 hours.
In order to better realize the invention, the step S3 further comprises microbial powder, wherein the vitamin powder is one or more of bacillus subtilis powder, bacillus licheniformis powder, trichoderma viride powder and candida albicans powder;
the microbial powder and the trace elements are added into a reaction kettle together.
The beneficial effects of the invention are as follows:
the urea phosphate is also called urea phosphate or urea phosphate, is a phosphate double salt with an amino structure, belongs to fine chemical products, is compounded with potassium hydroxide to prepare the water-soluble fertilizer, has simple components, easy operation and low manufacturing cost, and can effectively improve the growth of crops.
In order to enable the water-soluble fertilizer provided by the invention to be better applied to crop growth, a slow-release material is further arranged, and effective molecules can be released according to the crop growth under the action of the slow-release material, so that the slow-release material can provide more favorable support for crop growth, and meanwhile, in order to facilitate synergistic effect, the microbial powder is added in the process of preparing the water-soluble fertilizer, so that the water-soluble fertilizer can provide certain microorganisms, is convenient to stay in soil, and is favorable for the growth and absorption of rhizomes of crops.
Detailed Description
Example 1:
a method for chemically synthesizing a water-soluble fertilizer,
the method comprises the following steps of:
s1 raw material treatment
Weighing a certain amount of urea phosphate and potassium hydroxide, filtering and sieving;
s2, compounding
Mixing the sieved urea phosphate and potassium hydroxide according to the mol ratio of 3:2, adding into a reaction kettle, and adding water into the reaction kettle;
s3: synthesis reaction
Adding a reaction auxiliary agent and trace elements into the reaction kettle, controlling the temperature in the reaction kettle at 40-60 ℃ and reacting for 2-6 hours;
the reaction auxiliary agent is dispersant, penetrating agent and diluent.
S4: cooling
After the reaction is finished, adding an anti-crystallization agent into the reaction system, stirring, mixing, cooling to obtain a finished product, and packaging.
Example 2:
a method for chemically synthesizing a water-soluble fertilizer,
the method comprises the following steps of:
s1 raw material treatment
Weighing a certain amount of urea phosphate and potassium hydroxide, filtering and sieving;
s2, compounding
Mixing the sieved urea phosphate and potassium hydroxide according to the mol ratio of 3:2, adding into a reaction kettle, and adding water into the reaction kettle;
s3: synthesis reaction
Adding a reaction auxiliary agent, trace elements and a slow-release material into the reaction kettle, controlling the temperature in the reaction kettle at 40-60 ℃ and reacting for 2-6 hours;
the reaction auxiliary agent is a dispersing agent, a penetrating agent and a diluting agent;
the slow release material comprises the following materials in parts by weight
10 parts of urease inhibitor, 5 parts of nitrification inhibitor, 30 parts of disodium hydrogen phosphate, 50 parts of calcium silicate, 10 parts of surfactant and 20 parts of chelating agent;
the specific operation method comprises the following steps:
adding the disodium hydrogen phosphate, the calcium silicate, the nitrification inhibitor and the urease inhibitor into water, and stirring and mixing to prepare a first mixture;
adding the first mixture, the compounded urea phosphate and potassium hydroxide into a reaction kettle, and stirring for reaction, wherein the reaction condition is that the temperature is 60 ℃ and the reaction time is 3 hours;
adding a reaction auxiliary agent and trace elements into the reaction kettle, and continuing the reaction under the reaction condition of 50 ℃ for 2 hours;
and finally, adding the surfactant and the chelating agent into the reaction kettle, continuously stirring, and cooling.
S4: cooling
After the reaction is finished, adding an anti-crystallization agent into the reaction system, stirring, mixing, cooling to obtain a finished product, and packaging.
Example 3
A method for chemically synthesizing a water-soluble fertilizer,
the method comprises the following steps of:
s1 raw material treatment
Weighing a certain amount of urea phosphate and potassium hydroxide, filtering and sieving;
s2, compounding
Mixing the sieved urea phosphate and potassium hydroxide according to the mol ratio of 3:2, adding into a reaction kettle, and adding water into the reaction kettle;
s3: synthesis reaction
Adding a reaction auxiliary agent, trace elements and a slow-release material into the reaction kettle, controlling the temperature in the reaction kettle at 40-60 ℃ and reacting for 2-6 hours;
the reaction auxiliary agent is a dispersing agent, a penetrating agent and a diluting agent;
the slow release material comprises the following materials in parts by weight
6 parts of urease inhibitor, 3 parts of nitrification inhibitor, 25 parts of disodium hydrogen phosphate, 35 parts of calcium silicate, 8 parts of surfactant and 12 parts of chelating agent;
the specific operation method comprises the following steps:
adding the disodium hydrogen phosphate, the calcium silicate, the nitrification inhibitor and the urease inhibitor into water, and stirring and mixing to prepare a first mixture;
adding the first mixture, the compounded urea phosphate and potassium hydroxide into a reaction kettle, and stirring for reaction, wherein the reaction condition is that the temperature is 55 ℃ and the reaction time is 2 hours;
adding a reaction auxiliary agent and trace elements into the reaction kettle, and continuing the reaction at 45 ℃ for 2 hours;
and finally, adding the surfactant and the chelating agent into the reaction kettle, continuously stirring, and cooling.
S4: cooling
After the reaction is finished, adding an anti-crystallization agent into the reaction system, stirring, mixing, cooling to obtain a finished product, and packaging.
Example 4:
a method for chemically synthesizing a water-soluble fertilizer,
the method comprises the following steps of:
s1 raw material treatment
Weighing a certain amount of urea phosphate and potassium hydroxide, filtering and sieving;
s2, compounding
Mixing the sieved urea phosphate and potassium hydroxide according to the mol ratio of 3:2, adding into a reaction kettle, and adding water into the reaction kettle;
s3: synthesis reaction
Adding a reaction auxiliary agent, trace elements and a slow-release material into the reaction kettle, controlling the temperature in the reaction kettle at 40 ℃ and reacting for 2 hours;
the reaction auxiliary agent is a dispersing agent, a penetrating agent and a diluting agent;
the slow release material comprises the following materials in parts by weight
1 part of urease inhibitor, 1 part of nitrification inhibitor, 20 parts of disodium hydrogen phosphate, 20 parts of calcium silicate, 5 parts of surfactant and 8 parts of chelating agent;
the specific operation method comprises the following steps:
adding the disodium hydrogen phosphate, the calcium silicate, the nitrification inhibitor and the urease inhibitor into water, and stirring and mixing to prepare a first mixture;
adding the first mixture, the compounded urea phosphate and potassium hydroxide into a reaction kettle, and stirring for reaction, wherein the reaction condition is that the temperature is 50 ℃ and the reaction time is 1 hour;
adding a reaction auxiliary agent and trace elements into the reaction kettle, and continuing the reaction under the reaction condition of 40 ℃ for 1 hour;
and finally, adding the surfactant and the chelating agent into the reaction kettle, continuously stirring, and cooling.
S4: cooling
After the reaction is finished, adding an anti-crystallization agent into the reaction system, stirring, mixing, cooling to obtain a finished product, and packaging.
Example 5:
a method for chemically synthesizing a water-soluble fertilizer,
the method comprises the following steps of:
s1 raw material treatment
Weighing a certain amount of urea phosphate and potassium hydroxide, filtering and sieving;
s2, compounding
Mixing the sieved urea phosphate and potassium hydroxide according to the mol ratio of 3:2, adding into a reaction kettle, and adding water into the reaction kettle;
s3: synthesis reaction
Adding a reaction auxiliary agent, trace elements, a slow-release material and microbial powder into a reaction kettle, controlling the temperature in the reaction kettle at 40-60 ℃ and reacting for 2-6 hours;
the reaction auxiliary agent is a dispersing agent, a penetrating agent and a diluting agent;
the vitamin bacteria powder is one or more of bacillus subtilis bacteria powder, bacillus licheniformis bacteria powder and trichoderma viride bacteria powder, and candida albicans bacteria powder;
the slow release material comprises the following materials in parts by weight
6 parts of urease inhibitor, 3 parts of nitrification inhibitor, 25 parts of disodium hydrogen phosphate, 35 parts of calcium silicate, 8 parts of surfactant and 12 parts of chelating agent;
the specific operation method comprises the following steps:
adding the disodium hydrogen phosphate, the calcium silicate, the nitrification inhibitor and the urease inhibitor into water, and stirring and mixing to prepare a first mixture;
adding the first mixture, the compounded urea phosphate and potassium hydroxide into a reaction kettle, and stirring for reaction, wherein the reaction condition is that the temperature is 55 ℃ and the reaction time is 2 hours;
then adding a reaction auxiliary agent, vitamin bacteria powder and trace elements into the reaction kettle, and continuing the reaction at 45 ℃ for 2 hours;
and finally, adding the surfactant and the chelating agent into the reaction kettle, continuously stirring, and cooling.
S4: cooling
After the reaction is finished, adding an anti-crystallization agent into the reaction system, stirring, mixing, cooling to obtain a finished product, and packaging.
Experimental example:
the water-soluble fertilizer prepared according to the experimental example is applied to crop capsicum soil, the growth condition of crops is observed and recorded regularly, and the growth comparison of the crops is carried out.
According to the scheme provided by the invention, the efficacy of the water-soluble fertilizer containing the corrosion inhibition material and the microbial powder is obviously stronger than that of other components, so that crops can absorb the nutritional components better, the aim of better synergy is achieved, and the technical effect of improving the growth of the crops is further achieved.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A method of chemically synthesizing a water-soluble fertilizer, comprising the steps of:
s1 raw material treatment
Weighing a certain amount of urea phosphate and potassium hydroxide, filtering and sieving;
s2, compounding
Mixing the sieved urea phosphate and potassium hydroxide according to a proportion, adding into a reaction kettle, and adding water into the reaction kettle;
s3: synthesis reaction
Adding a reaction auxiliary agent and trace elements into the reaction kettle, controlling the temperature in the reaction kettle at 40-60 ℃ and reacting for 2-6 hours;
s4: cooling
After the reaction is finished, adding an anti-crystallization agent into the reaction system, stirring, mixing, cooling to obtain a finished product, and packaging.
2. The method for chemically synthesizing a water-soluble fertilizer as claimed in claim 1, wherein,
the molar ratio of urea phosphate to potassium hydroxide is 3:2.
3. The method for chemically synthesizing a water-soluble fertilizer as claimed in claim 1, wherein,
the reaction auxiliary agent comprises a dispersing agent, a penetrating agent and a diluting agent.
4. The method for chemically synthesizing a water-soluble fertilizer as claimed in claim 1, wherein,
in the S3 synthetic reaction process, a slow release material is also added into the reaction system,
the slow release material comprises the following materials in parts by weight
1-10 parts of urease inhibitor, 1-5 parts of nitrification inhibitor, 20-30 parts of disodium hydrogen phosphate, 20-50 parts of calcium silicate, 5-10 parts of surfactant and 8-20 parts of chelating agent.
5. The method for chemically synthesizing a water-soluble fertilizer as claimed in claim 4, wherein,
the slow release material comprises the following materials in parts by weight
6 parts of urease inhibitor, 3 parts of nitrification inhibitor, 25 parts of disodium hydrogen phosphate, 35 parts of calcium silicate, 8 parts of surfactant and 12 parts of chelating agent.
6. The method for chemically synthesizing a water-soluble fertilizer as claimed in claim 4, wherein,
the S3 synthesis method comprises the following steps:
adding the disodium hydrogen phosphate, the calcium silicate, the nitrification inhibitor and the urease inhibitor into water, and stirring and mixing to prepare a first mixture;
adding the first mixture, the compounded urea phosphate and potassium hydroxide into a reaction kettle, and stirring for reaction, wherein the reaction condition is that the temperature is 50-60 ℃ and the reaction time is 1-3 hours;
adding a reaction auxiliary agent and trace elements into the reaction kettle, and continuing the reaction at 40-50 ℃ for 1-2 hours;
and finally, adding the surfactant and the chelating agent into the reaction kettle, continuously stirring, and cooling.
7. The method for chemically synthesizing a water-soluble fertilizer as claimed in claim 6, wherein,
adding the first mixture, the compounded urea phosphate and potassium hydroxide into a reaction kettle, and stirring for reaction, wherein the reaction condition is that the temperature is 55 ℃ and the reaction time is 2 hours.
8. The method for chemically synthesizing a water-soluble fertilizer as claimed in claim 6, wherein,
then adding reaction auxiliary agent and microelements into the reaction kettle, and continuing the reaction under the reaction condition of 45 ℃ for 2 hours.
9. The method of chemically synthesizing a water soluble fertilizer of claim 8, wherein the chemical is a water soluble fertilizer.
The step S3 also comprises microbial powder, wherein the vitamin powder is one or more of bacillus subtilis powder, bacillus licheniformis powder, trichoderma viride powder and candida albicans powder;
the microbial powder and the trace elements are added into a reaction kettle together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310584260.7A CN116986940A (en) | 2023-05-23 | 2023-05-23 | Method for chemically synthesizing water-soluble fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310584260.7A CN116986940A (en) | 2023-05-23 | 2023-05-23 | Method for chemically synthesizing water-soluble fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116986940A true CN116986940A (en) | 2023-11-03 |
Family
ID=88527275
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310584260.7A Pending CN116986940A (en) | 2023-05-23 | 2023-05-23 | Method for chemically synthesizing water-soluble fertilizer |
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2023
- 2023-05-23 CN CN202310584260.7A patent/CN116986940A/en active Pending
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