CN110590437A - Multifunctional high-tower compound fertilizer and preparation method thereof - Google Patents
Multifunctional high-tower compound fertilizer and preparation method thereof Download PDFInfo
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- CN110590437A CN110590437A CN201910800021.4A CN201910800021A CN110590437A CN 110590437 A CN110590437 A CN 110590437A CN 201910800021 A CN201910800021 A CN 201910800021A CN 110590437 A CN110590437 A CN 110590437A
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a multifunctional high-tower compound fertilizer and a preparation method thereof, wherein the multifunctional high-tower compound fertilizer comprises the following components in percentage by mass: 40-51% of urea, 15-25% of potassium chloride, 18-29.5% of monoammonium phosphate, 0.5-1% of regulator, 3.5-5% of pesticide and 2-3.5% of biological bacteria. The preparation method adopts a high tower granulation technology, and the plant growth regulator, the pesticide and the biological bacteria are added to ensure that the product has more comprehensive nutrition, is suitable for improving different soils, and has the effects of promoting the fertilizer synergism, improving the physical and chemical properties of the soil, improving the quality and the yield of crops and enhancing the disease resistance of the crops.
Description
Technical Field
The invention relates to a high-tower compound fertilizer, in particular to a multifunctional high-tower compound fertilizer and a preparation method thereof.
Background
The high tower pelletizing process includes heating and melting solid urea or ammonium phosphate nitrate into molten liquid, and adding potash fertilizer, monoammonium phosphate and stuffing into the molten liquid to form mixed slurry. And (3) spraying and granulating the mixed slurry through a high tower granulator, wherein the granulated material is subjected to heat exchange with gas resistance rising from the bottom of the tower and falls to the bottom of the tower in the falling process of the high tower, and the granular material at the bottom of the tower is subjected to cooling, screening and anti-caking treatment to obtain the granular compound fertilizer.
Compared with the compound fertilizer produced by other processes, the compound fertilizer produced by the high tower granulation process has the characteristics of uniform nutrients, high particle strength and stable product quality, and has the defects that the process characteristics limit, and the product only contains a large amount of inorganic elements such as nitrogen, phosphorus and potassium, and cannot be added with materials for increasing the product functions. For example: because the temperature of the pulping process on the tower is high, the survival of microorganisms is not facilitated, and therefore, the microorganism bacteria cannot be added in the high-tower granulation process. The problems cause that the high-tower fertilizer product has single function, is difficult to adapt to different soil conditions, and can not effectively improve the utilization rate of fertilizer nutrients, improve the quality of crops and improve the soil structure.
Disclosure of Invention
The invention aims to provide a multifunctional high-tower compound fertilizer, which not only can provide major elements of nitrogen, phosphorus and potassium required by crops, but also can prevent and treat diseases by utilizing an insecticide, promote the growth of the crops by utilizing a crop growth regulator, improve the quality of the crops, activate and repair soil by utilizing biological bacteria, and the prepared product has the characteristics of complete functions and good effect, and realizes the effects of improving the utilization rate of nutrients and improving the soil.
In order to solve the technical problems, the invention adopts the technical scheme that: a multifunctional high tower compound fertilizer comprises 40-51% of urea, 15-25% of potassium chloride, 18-29.5% of monoammonium phosphate, 0.5-1% of regulator, 3.5-5% of insecticide and 2-3.5% of biological bacteria.
The regulator is compound sodium nitrophenolate, and the compound sodium nitrophenolate is a strong cell activator, so that the stress resistance of crops is obviously improved, and the growth of the crops is promoted.
The pesticide is quintozene and carbendazim, and the mass ratio is 1: 1, a large number of experiments show that the quintozene and the carbendazim have better control effect on seedling diseases and soil infectious diseases of crops, and the effects are better when the quintozene and the carbendazim are mixed and used according to a proportion.
The biological bacteria are one or two combinations of bacillus megaterium and bacillus subtilis, are soil beneficial bacteria, and have the effects of improving the utilization rate of the fertilizer, activating and repairing soil and being beneficial to absorption and utilization of crops.
The preparation method of the multifunctional high-tower compound fertilizer is characterized by comprising the following steps:
(1) adding metered urea into a melting tank, controlling the temperature of the melting tank to be 120-125 ℃, and overflowing the melted urea solution to a primary mixing tank, wherein the melting temperature is particularly important in the process, if the temperature reaches above 130 ℃, urea is decomposed to generate a large amount of biuret, so that crops burn acres, the temperature is lower than 115 ℃, and the urea is easy to crystallize, so that normal production is influenced;
(2) adding metered potassium chloride into a primary mixing tank, uniformly mixing the potassium chloride with a urea solution, controlling the temperature of the primary mixing tank to be 110-115 ℃, and overflowing the mixed molten material into a secondary mixing tank;
(3) in a secondary mixing tank, adding monoammonium phosphate, pesticide and regulator in a metering manner, and mixing with the molten material for less than 4min to obtain mixed molten slurry, wherein the temperature of the secondary mixing tank is controlled at 100-105 ℃;
(4) emulsifying the mixed melted slurry by an emulsifying machine, completing spray granulation in a granulation tower by using a differential granulator, and naturally cooling in the granulation tower, wherein the temperature of material particles below the tower is less than 70 ℃;
(5) the material particles under the tower enter a cooling machine, prepared biological bacteria liquid is sprayed onto the material particles at the inlet of the cooling machine in an atomizing mode, the biological bacteria liquid is quickly sucked by utilizing the temperature of the biological bacteria liquid, the biological bacteria liquid is added in the cooling process, and the bacteria liquid can be quickly sucked into the formed particles by utilizing the strong absorbability and the temperature of the material particles in an over-dry state. The method prevents a large amount of biological bacteria from being killed due to high temperature in the high tower granulation process, better protects the strains, improves the survival rate of the strains, and has cooling time of 30-35 min;
(6) and (3) respectively carrying out coarse screening and fine screening on the cooled material particles, wherein the diameter of a sieve pore of the coarse screen is 4.5mm, the diameter of a sieve pore of the fine screen is 2.0mm, the particles above 4.5mm and the particles below 2.0mm after screening return to a primary mixing tank, and qualified products enter a wrapping machine and are packaged after anti-caking treatment.
Compared with the prior art, the multifunctional high-tower compound fertilizer and the preparation method thereof have the following advantages: the product has comprehensive nutrition and high nutrient content, not only contains major elements of nitrogen, phosphorus and potassium required by crops, but also contains insecticide, crop growth regulator and biological bacteria. The product has the effects of promoting fertilizer synergism, improving soil fertility, improving soil physicochemical property, preventing and treating diseases, improving crop quality and yield, and enhancing crop disease resistance.
Drawings
FIG. 1 is a flow chart of the preparation method of the multifunctional high-tower compound fertilizer.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
as shown in figure 1, the multifunctional high tower compound fertilizer is characterized in that urea accounts for 40-51% of the total input raw material by mass, potassium chloride accounts for 15-25% of the total input raw material by mass, monoammonium phosphate accounts for 18-29.5% of the total input raw material by mass, a regulator accounts for 0.5-1% of the total input raw material by mass, a pesticide accounts for 3.5-5% of the total input raw material by mass, and biological bacteria accounts for 2-3.5% of the total input raw material by mass.
The regulator is compound sodium nitrophenolate.
The pesticide is quintozene and carbendazim, and the mass ratio is 1: 1.
the biological bacteria are one or the combination of bacillus megaterium and bacillus subtilis.
The preparation method of the multifunctional high-tower compound fertilizer comprises the following steps:
(1) adding metered urea into a melting tank, controlling the temperature of the melting tank to be 120-125 ℃, and overflowing the melted urea solution into a primary mixing tank;
(2) adding metered potassium chloride into a primary mixing tank, uniformly mixing the potassium chloride with a urea solution, controlling the temperature of the primary mixing tank to be 110-115 ℃, and overflowing the mixed molten material into a secondary mixing tank;
(3) in a secondary mixing tank, adding monoammonium phosphate, pesticide and regulator in a metering manner, and mixing with the molten material for less than 4min to obtain mixed molten slurry, wherein the temperature of the secondary mixing tank is controlled at 100-105 ℃;
(4) emulsifying the mixed melted slurry by an emulsifying machine, completing spray granulation in a granulation tower by using a differential granulator, and naturally cooling in the granulation tower, wherein the temperature of material particles below the tower is less than 70 ℃;
(5) the material particles under the tower enter a cooling machine, prepared biological bacterial liquid is sprayed onto the material particles at the inlet of the cooling machine in an atomizing mode, the biological bacterial liquid is quickly sucked by utilizing the temperature of the biological bacterial liquid, and the cooling time is 30-35 min;
(6) and (3) respectively carrying out coarse screening and fine screening on the cooled material particles, wherein the diameter of a sieve pore of the coarse screen is 4.5mm, the diameter of a sieve pore of the fine screen is 2.0mm, the particles above 4.5mm and the particles below 2.0mm after screening return to a primary mixing tank, and qualified products enter a wrapping machine and are packaged after anti-caking treatment.
The invention is further illustrated by the following examples:
example 1: the product proportion is 25-10-15, taking the consumption quota of 1 ton of product raw materials as an example:
the specific production flow is as follows:
(1) adding 498 kilograms of metered urea (containing 46.2 percent of N by mass percentage, the same below) into a melting tank, controlling the temperature of the melting tank at 120 ℃, and overflowing the melted urea solution into a primary mixing tank;
(2) adding 243 kg of metered potassium chloride (containing K2O 62%) into a primary mixing tank, uniformly mixing with a urea solution by stirring, controlling the temperature of the primary mixing tank at 110 ℃, and overflowing the mixed molten material into a secondary mixing tank;
(3) adding 186 kg of metered monoammonium phosphate (containing 11% of N and 554% of P2O), 5 kg of compound sodium nitrophenolate, 20 kg of quintozene and 20 kg of carbendazim into a secondary mixing tank, uniformly mixing with a molten material by stirring, controlling the temperature of the secondary mixing tank at 100 ℃, and mixing with the molten material for 3min to obtain mixed molten slurry;
(4) emulsifying the mixed and melted slurry by an emulsifying machine to prepare slurry with good flowing property, completing spray granulation in a granulation tower by using a differential granulator, naturally cooling in the granulation tower, and controlling the temperature of material particles below the tower at 65 ℃;
(5) feeding the material particles below the tower into a cooling machine, spraying 28 kg of prepared bacillus subtilis liquid onto the material particles in an atomizing mode at the inlet of the cooling machine, and then cooling for 30 min;
(6) and (3) screening the cooled material particles by a coarse screen with the screen hole diameter of 4.5mm and a fine screen with the screen hole diameter of 2.0mm respectively, returning large particles after coarse screening and small particles after fine screening to a primary mixing tank, feeding qualified products into a wrapping machine, performing anti-caking treatment and packaging to obtain the multifunctional high-tower compound fertilizer with the particle size of 2-4.5 mm. The product contains N-P2O 5-K2O of 25.06% -10.04% -15.07, contains biological bacteria, insecticide and crop growth regulator, contains 0.5% of water and 42N of strength, and has smooth and round particles.
Example 2: the product proportion is 22-15, taking the consumption quota of 1 ton of product raw materials as an example:
the specific production flow is as follows:
(1) adding 413 kg of metered urea (containing 46.2% of N, the mass percentage is the same as the following) into a melting tank, controlling the temperature of the melting tank at 125 ℃, and overflowing the melted urea solution into a primary mixing tank;
(2) adding 243 kg of metered potassium chloride (containing K2O 62%) into a primary mixing tank, uniformly mixing with a urea solution by stirring, controlling the temperature of the primary mixing tank at 115 ℃, and overflowing the mixed molten material into a secondary mixing tank;
(3) 279 kilograms of metered monoammonium phosphate (containing N11 percent and P2O 554 percent), 5 kilograms of compound sodium nitrophenolate, 18 kilograms of quintozene and 18 kilograms of carbendazim are added into a secondary mixing tank and are uniformly mixed with molten materials by stirring, the temperature of the secondary mixing tank is controlled at 105 ℃, and the secondary mixing tank is mixed with the molten materials for 3.5min, so that mixed molten slurry is obtained;
(4) emulsifying the mixed and melted slurry by an emulsifying machine to prepare slurry with good flowing property, completing spray granulation in a granulation tower by using a differential granulator, naturally cooling in the granulation tower, and controlling the temperature of material particles below the tower at 62 ℃;
(5) feeding the material particles below the tower into a cooling machine, spraying 14 kg of prepared bacillus subtilis liquid and 10 kg of prepared bacillus megaterium liquid onto the material particles in an atomizing mode at the inlet of the cooling machine, and then cooling for 35 min;
(6) and (3) screening the cooled material particles by a coarse screen with the screen hole diameter of 4.5mm and a fine screen with the screen hole diameter of 2.0mm respectively, returning large particles after coarse screening and small particles after fine screening to a primary mixing tank, feeding qualified products into a wrapping machine, performing anti-caking treatment and packaging to obtain the multifunctional high-tower compound fertilizer with the particle size of 2-4.5 mm. The product contains N-P2O 5-K2O of 22.15-15.07, biological bacteria, pesticide and crop growth regulator, and has water content of 0.7%, strength of 40N, smooth and round grains.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The multifunctional high-tower compound fertilizer is characterized in that urea accounts for 40-51% of the total input raw material amount by mass, potassium chloride accounts for 15-25% of the total input raw material amount by mass, monoammonium phosphate accounts for 18-29.5% of the total input raw material amount by mass, a regulator accounts for 0.5-1% of the total input raw material amount by mass, a pesticide accounts for 3.5-5% of the total input raw material amount by mass, and biological bacteria accounts for 2-3.5% of the total input raw material amount by mass.
2. The multifunctional high-tower compound fertilizer as claimed in claim 1, wherein the regulator is compound sodium nitrophenolate.
3. The multifunctional high-tower compound fertilizer as claimed in claim 1, wherein the pesticide is quintozene and carbendazim in a mass ratio of 1: 1.
4. The multifunctional high-tower compound fertilizer as claimed in claim 1, wherein the biological bacteria is one or a combination of bacillus megaterium and bacillus subtilis.
5. The preparation method of the multifunctional high-tower compound fertilizer as claimed in claim 1, characterized by comprising the following steps:
(1) adding metered urea into a melting tank, controlling the temperature of the melting tank to be 120-125 ℃, and overflowing the melted urea solution into a primary mixing tank;
(2) adding metered potassium chloride into a primary mixing tank, uniformly mixing the potassium chloride with a urea solution, controlling the temperature of the primary mixing tank to be 110-115 ℃, and overflowing the mixed molten material into a secondary mixing tank;
(3) in a secondary mixing tank, monoammonium phosphate, insecticide and regulator are metered and added, and the mixture is mixed with the molten material for less than 4min to obtain mixed molten slurry, wherein the temperature of the secondary mixing tank is controlled to be 100-105 ℃;
(4) emulsifying the mixed melted slurry by an emulsifying machine, completing spray granulation in a granulation tower by using a differential granulator, and naturally cooling in the granulation tower, wherein the temperature of material particles below the tower is less than 70 ℃;
(5) feeding the material particles under the tower into a cooling machine, spraying the prepared biological bacterial liquid onto the material particles at the inlet of the cooling machine in an atomizing mode, and rapidly sucking the biological bacterial liquid by utilizing the temperature of the biological bacterial liquid, wherein the cooling time is 30-35 min;
(6) and (3) respectively carrying out coarse screening and fine screening on the cooled material particles, wherein the diameter of a sieve pore of the coarse screen is 4.5mm, the diameter of a sieve pore of the fine screen is 2.0mm, the particles above 4.5mm and the particles below 2.0mm after screening return to a primary mixing tank, and qualified products enter a wrapping machine and are packaged after anti-caking treatment.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559932A (en) * | 2020-04-20 | 2020-08-21 | 杨新正 | Synergistic high-tower nitro-sulfenyl fertilizer and preparation method thereof |
| CN111574275A (en) * | 2020-04-23 | 2020-08-25 | 孟宪英 | Synergistic high-tower urea-based fertilizer and preparation method thereof |
| CN112409082A (en) * | 2020-12-04 | 2021-02-26 | 中诚国联（河南）生物科技有限公司 | Slow-release high-tower pesticide fertilizer and preparation method thereof |
| CN112430156A (en) * | 2020-12-04 | 2021-03-02 | 中诚国联（河南）生物科技有限公司 | Preparation method and application of high-tower pesticide-fertilizer granules for preventing and treating piercing-sucking pests |
| CN112521211A (en) * | 2020-12-04 | 2021-03-19 | 中诚国联（河南）生物科技有限公司 | High-tower pesticide-fertilizer containing dinotefuran and monosultap and application thereof |
| CN112537978A (en) * | 2020-12-04 | 2021-03-23 | 中诚国联（河南）生物科技有限公司 | Preparation method and application of high-tower pesticide fertilizer for preventing and treating piercing-sucking pests and underground pests |
| CN112624871A (en) * | 2021-01-07 | 2021-04-09 | 中诚国联（河南）生物科技有限公司 | High-tower pesticide-fertilizer containing clothianidin and chlorfenapyr and preparation method thereof |
| CN112645765A (en) * | 2021-01-08 | 2021-04-13 | 中诚国联（河南）生物科技有限公司 | High-tower pesticide fertilizer containing chlorantraniliprole and cyfluthrin and application thereof |
| CN112745164A (en) * | 2021-02-04 | 2021-05-04 | 赤天化科技集团有限公司 | High-tower pesticide-fertilizer containing dinotefuran and imidacloprid and preparation method thereof |
| CN112811959A (en) * | 2021-02-04 | 2021-05-18 | 赤天化科技集团有限公司 | High-tower pesticide-fertilizer containing chlorantraniliprole and imidacloprid and preparation method thereof |
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| WO2010045712A1 (en) * | 2008-10-22 | 2010-04-29 | Mitanic, Inc. | Controlled release nitrogeneous fertilizer composition system |
| CN106008003A (en) * | 2016-05-31 | 2016-10-12 | 史丹利化肥扶余有限公司 | High tower granulation produced high concentration compound fertilizer and production method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559932A (en) * | 2020-04-20 | 2020-08-21 | 杨新正 | Synergistic high-tower nitro-sulfenyl fertilizer and preparation method thereof |
| CN111574275A (en) * | 2020-04-23 | 2020-08-25 | 孟宪英 | Synergistic high-tower urea-based fertilizer and preparation method thereof |
| CN112409082A (en) * | 2020-12-04 | 2021-02-26 | 中诚国联（河南）生物科技有限公司 | Slow-release high-tower pesticide fertilizer and preparation method thereof |
| CN112430156A (en) * | 2020-12-04 | 2021-03-02 | 中诚国联（河南）生物科技有限公司 | Preparation method and application of high-tower pesticide-fertilizer granules for preventing and treating piercing-sucking pests |
| CN112521211A (en) * | 2020-12-04 | 2021-03-19 | 中诚国联（河南）生物科技有限公司 | High-tower pesticide-fertilizer containing dinotefuran and monosultap and application thereof |
| CN112537978A (en) * | 2020-12-04 | 2021-03-23 | 中诚国联（河南）生物科技有限公司 | Preparation method and application of high-tower pesticide fertilizer for preventing and treating piercing-sucking pests and underground pests |
| CN112624871A (en) * | 2021-01-07 | 2021-04-09 | 中诚国联（河南）生物科技有限公司 | High-tower pesticide-fertilizer containing clothianidin and chlorfenapyr and preparation method thereof |
| CN112645765A (en) * | 2021-01-08 | 2021-04-13 | 中诚国联（河南）生物科技有限公司 | High-tower pesticide fertilizer containing chlorantraniliprole and cyfluthrin and application thereof |
| CN112745164A (en) * | 2021-02-04 | 2021-05-04 | 赤天化科技集团有限公司 | High-tower pesticide-fertilizer containing dinotefuran and imidacloprid and preparation method thereof |
| CN112811959A (en) * | 2021-02-04 | 2021-05-18 | 赤天化科技集团有限公司 | High-tower pesticide-fertilizer containing chlorantraniliprole and imidacloprid and preparation method thereof |
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Application publication date: 20191220 |