CN113636882A - Preparation method of environment-friendly compound fertilizer and compound fertilizer - Google Patents
Preparation method of environment-friendly compound fertilizer and compound fertilizer Download PDFInfo
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- CN113636882A CN113636882A CN202110816640.XA CN202110816640A CN113636882A CN 113636882 A CN113636882 A CN 113636882A CN 202110816640 A CN202110816640 A CN 202110816640A CN 113636882 A CN113636882 A CN 113636882A
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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
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a preparation method of an environment-friendly compound fertilizer and the compound fertilizer. According to the invention, nitrogen, phosphoric acid and potassium elements in the raw materials are proportioned in a balanced manner, the elements in the raw materials are effectively and fully absorbed by the soil by adjusting the mixing ratio, the soil is prevented from being eutrophicated, and the yield of the compound fertilizer can be improved by matching with the preparation process of the compound fertilizer.
Description
Technical Field
The invention relates to the technical field of chemical fertilizer processing, in particular to a preparation method of an environment-friendly compound chemical fertilizer and the compound chemical fertilizer.
Background
The fertilizer containing any two or three of the crop nutrient elements of nitrogen, phosphorus and potassium, which is prepared by a chemical method or a mixing method, is characterized in that the production of the compound fertilizer mostly uses a soil testing formula to test the nutrient condition of soil, and the soil testing formula is used for fertilization based on soil test and fertilizer field test according to the fertilizer requirement rule of crops and the fertilizer supply performance of the soil;
the proportion of nitrogen, phosphorus and potassium in the compound fertilizer is unbalanced in the compound fertilizer proportioning in the existing market, so that the elements in the fertilizer can not be absorbed uniformly suddenly, and the redundant elements are left in the soil, so that the environment-friendly effect can not be realized.
Disclosure of Invention
The invention provides a preparation method of an environment-friendly compound fertilizer and the compound fertilizer, and aims to solve the problems that the proportion of nitrogen, phosphorus and potassium in the compound fertilizer is unbalanced, so that elements in the fertilizer cannot be absorbed uniformly suddenly, and the redundant elements are left in soil, so that the environment-friendly effect cannot be realized.
The invention provides an environment-friendly compound fertilizer, which comprises the following components in percentage by weight: 30-55 parts of ammonium sulfate, 15-33 parts of ammonium nitrate, 12-16 parts of ammonium carbonate, 20-29 parts of urea, 80-120 parts of potassium chloride, 50-71 parts of ammonium phosphate, 30-46 parts of monopotassium phosphate, 100 parts of purified water, 135 parts of ammonium phosphate and 40-50 parts of ammonium phosphate.
Meanwhile, the invention also provides a preparation method of the environment-friendly compound fertilizer, which comprises the following specific steps:
s1, mixing and stirring: pouring the prepared raw materials of ammonium sulfate, ammonium nitrate, ammonium carbonate, urea, potassium chloride, ammonium phosphate, monopotassium phosphate, purified water and ammonium phosphate into a horizontal stirrer or a disc stirrer for stirring, controlling the stirring time to be 30-45 minutes, and simultaneously heating the temperature in the horizontal stirrer or the disc stirrer to be 20-30 ℃;
s2, crushing: after the step S1 is completed, the raw materials after heating and mixing have the problem of caking, and the caked raw materials are poured into a chain type crusher to be crushed;
s3, material granulation: feeding the crushed mixture into a granulator through a belt conveyor for granulation;
s4, injecting granulated chatty into a roller screening machine for primary screening, primarily screening a semi-finished product of particles, and returning unqualified particles to a mixing and stirring link for reprocessing;
s5, feeding the granules which are manufactured and screened by the granulator into a dryer, drying the moisture in the granules, enhancing the strength of the granules and facilitating storage, wherein the dryer is a rotary drum;
s6, cooling the dried particles;
and S7, carrying out secondary classification screening on the cooled particles.
Preferably, the cooling treatment of S6 is that the temperature of the dried fertilizer particles is too high, caking is easy to occur, the fertilizer is sent to a cooling rack and evenly spread on the cooling rack, and the particles are guaranteed to be evenly distributed.
Preferably, the second-stage classification screening of S7 is specifically to utilize a second-stage drum screening machine to screen the cooled fertilizer granules again, and the unqualified granules are re-granulated after being crushed, and the qualified products are screened out.
Preferably, after the secondary classification screening is finished, finished particles are coated by a coating machine, and qualified products are coated with the coating film to increase the brightness and the roundness of the particles, so that the appearance is more attractive.
Preferably, finished product particles are quantitatively packaged, and the film-coated particles, namely the finished product particles, are conveyed into a storage bin through a belt conveyor for temporary storage, and then are automatically quantitatively packaged and sealed by connecting an electronic quantitative packaging scale and a bag sewing machine.
Preferably, the automatic dosing packaging envelope is stored in a ventilated place.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, nitrogen, phosphoric acid and potassium elements in the raw materials are proportioned in a balanced manner, the elements in the raw materials are effectively and fully absorbed by the soil by adjusting the mixing ratio, the soil is prevented from being eutrophicated, and the yield of the compound fertilizer can be improved by matching with the preparation process of the compound fertilizer.
Detailed Description
The invention is further illustrated by the following examples.
Example 1
The invention provides an environment-friendly compound fertilizer, which comprises the following components in percentage by weight: 30 parts of ammonium sulfate, 15 parts of ammonium nitrate, 12 parts of ammonium carbonate, 20 parts of urea, 80 parts of potassium chloride, 50 parts of ammonium phosphate, 30 parts of monopotassium phosphate, 100 parts of purified water and 40 parts of ammonium phosphate, wherein elements in the raw materials can be fully absorbed by soil by carrying out balanced proportioning on nitrogen, phosphoric acid and potassium elements in the raw materials and adjusting the proportioning ratio.
The invention also provides a preparation method of the environment-friendly compound fertilizer, which comprises the following specific steps:
s1, mixing and stirring: the prepared raw materials of ammonium sulfate, ammonium nitrate, ammonium carbonate, urea, potassium chloride, ammonium phosphate, monopotassium phosphate, purified water and ammonium phosphate are poured into a horizontal stirrer or a disc stirrer to be stirred, the stirring time is controlled to be 30 minutes, meanwhile, the temperature in the horizontal stirrer or the disc stirrer is heated to 20 ℃, and under the condition that the temperature is increased, the raw materials are all fused in water, so that the effect of full dissolution is realized.
S2, crushing: after the step S1 is completed, the raw materials after heating and mixing have the problem of caking, and the caked raw materials are poured into a chain type crusher to be crushed;
s3, material granulation: feeding the crushed mixture into a granulator through a belt conveyor for granulation;
s4, injecting granulated chatty into a roller screening machine for primary screening, primarily screening a semi-finished product of particles, and returning unqualified particles to a mixing and stirring link for reprocessing;
s5, feeding the granules which are manufactured and screened by the granulator into a dryer, drying the moisture in the granules, enhancing the strength of the granules and facilitating storage, wherein the dryer is a rotary drum;
s6, cooling the dried particles; the cooling treatment is that the temperature of fertilizer particles after being dried is too high, caking easily occurs, the fertilizer is sent into the cooling rack and evenly spread on the cooling rack, the uniform distribution of the particles is ensured, and the influence of caking problems is eliminated.
S7, secondary grading screening is carried out on cooled particles, the secondary grading screening specifically comprises the steps of screening the cooled fertilizer particles again by using a secondary roller screening machine, crushing unqualified particles and then re-granulating, screening out qualified products, coating finished product particles by using a coating machine after the secondary grading screening is completed, coating the qualified products with a coating film to increase the brightness and the roundness of the particles, so that the appearance is more attractive, quantitatively packaging the finished product particles, conveying the coated particles, namely the finished product particles into a storage bin for temporary storage through a belt conveyor, connecting an electronic quantitative packaging scale and a bag sewing machine for automatically quantitatively packaging and sealing bags, placing the automatically quantitatively packaging and sealing bags at ventilation positions for storage, effectively protecting the raw materials by using the coated granular fertilizer, and preventing the granular raw materials from being quickly dissolved.
Example 2
The invention provides an environment-friendly compound fertilizer, which comprises the following components in percentage by weight: 35 parts of ammonium sulfate, 20 parts of ammonium nitrate, 14 parts of ammonium carbonate, 25 parts of urea, 100 parts of potassium chloride, 63 parts of ammonium phosphate, 34 parts of monopotassium phosphate, 121 parts of purified water and 43 parts of ammonium phosphate, wherein the elements in the raw materials can be sufficiently absorbed by soil by uniformly proportioning the nitrogen, the phosphoric acid and the potassium elements in the raw materials and adjusting the proportioning ratio.
The invention also provides a preparation method of the environment-friendly compound fertilizer, which comprises the following specific steps:
s1, mixing and stirring: the prepared raw materials of ammonium sulfate, ammonium nitrate, ammonium carbonate, urea, potassium chloride, ammonium phosphate, monopotassium phosphate, purified water and ammonium phosphate are poured into a horizontal stirrer or a disc stirrer to be stirred, the stirring time is controlled to be 36 minutes, meanwhile, the temperature in the horizontal stirrer or the disc stirrer is heated to 26 ℃, and under the condition that the temperature is increased, the raw materials are all fused in water, so that the effect of full dissolution is realized.
S2, crushing: after the step S1 is completed, the raw materials after heating and mixing have the problem of caking, and the caked raw materials are poured into a chain type crusher to be crushed;
s3, material granulation: feeding the crushed mixture into a granulator through a belt conveyor for granulation;
s4, injecting granulated chatty into a roller screening machine for primary screening, primarily screening a semi-finished product of particles, and returning unqualified particles to a mixing and stirring link for reprocessing;
s5, feeding the granules which are manufactured and screened by the granulator into a dryer, drying the moisture in the granules, enhancing the strength of the granules and facilitating storage, wherein the dryer is a rotary drum;
s6, cooling the dried particles; the cooling treatment is that the temperature of fertilizer particles after being dried is too high, caking easily occurs, the fertilizer is sent into the cooling rack and evenly spread on the cooling rack, the uniform distribution of the particles is ensured, and the influence of caking problems is eliminated.
S7, secondary grading screening is carried out on cooled particles, the secondary grading screening specifically comprises the steps of screening the cooled fertilizer particles again by using a secondary roller screening machine, crushing unqualified particles and then re-granulating, screening out qualified products, coating finished product particles by using a coating machine after the secondary grading screening is completed, coating the qualified products with a coating film to increase the brightness and the roundness of the particles, so that the appearance is more attractive, quantitatively packaging the finished product particles, conveying the coated particles, namely the finished product particles into a storage bin for temporary storage through a belt conveyor, connecting an electronic quantitative packaging scale and a bag sewing machine for automatically quantitatively packaging and sealing bags, placing the automatically quantitatively packaging and sealing bags at ventilation positions for storage, effectively protecting the raw materials by using the coated granular fertilizer, and preventing the granular raw materials from being quickly dissolved.
Example 3
The invention provides an environment-friendly compound fertilizer, which comprises the following components in percentage by weight: 55 parts of ammonium sulfate, 33 parts of ammonium nitrate, 16 parts of ammonium carbonate, 29 parts of urea, 120 parts of potassium chloride, 71 parts of ammonium phosphate, 46 parts of monopotassium phosphate, 135 parts of purified water and 50 parts of ammonium phosphate, wherein the elements in the raw materials can be sufficiently absorbed by soil by uniformly proportioning the nitrogen, the phosphoric acid and the potassium elements in the raw materials and adjusting the proportioning ratio.
The invention also provides a preparation method of the environment-friendly compound fertilizer, which comprises the following specific steps:
s1, mixing and stirring: the prepared raw materials of ammonium sulfate, ammonium nitrate, ammonium carbonate, urea, potassium chloride, ammonium phosphate, monopotassium phosphate, purified water and ammonium phosphate are poured into a horizontal stirrer or a disc stirrer to be stirred, the stirring time is controlled to be 45 minutes, meanwhile, the temperature in the horizontal stirrer or the disc stirrer is heated to 30 ℃, and under the condition that the temperature is increased, the raw materials are all fused in water, so that the effect of full dissolution is realized.
S2, crushing: after the step S1 is completed, the raw materials after heating and mixing have the problem of caking, and the caked raw materials are poured into a chain type crusher to be crushed;
s3, material granulation: feeding the crushed mixture into a granulator through a belt conveyor for granulation;
s4, injecting granulated chatty into a roller screening machine for primary screening, primarily screening a semi-finished product of particles, and returning unqualified particles to a mixing and stirring link for reprocessing;
s5, feeding the granules which are manufactured and screened by the granulator into a dryer, drying the moisture in the granules, enhancing the strength of the granules and facilitating storage, wherein the dryer is a rotary drum;
s6, cooling the dried particles; the cooling treatment is that the temperature of fertilizer particles after being dried is too high, caking easily occurs, the fertilizer is sent into the cooling rack and evenly spread on the cooling rack, the uniform distribution of the particles is ensured, and the influence of caking problems is eliminated.
S7, secondary grading screening is carried out on cooled particles, the secondary grading screening specifically comprises the steps of screening the cooled fertilizer particles again by using a secondary roller screening machine, crushing unqualified particles and then re-granulating, screening out qualified products, coating finished product particles by using a coating machine after the secondary grading screening is completed, coating the qualified products with a coating film to increase the brightness and the roundness of the particles, so that the appearance is more attractive, quantitatively packaging the finished product particles, conveying the coated particles, namely the finished product particles into a storage bin for temporary storage through a belt conveyor, connecting an electronic quantitative packaging scale and a bag sewing machine for automatically quantitatively packaging and sealing bags, placing the automatically quantitatively packaging and sealing bags at ventilation positions for storage, effectively protecting the raw materials by using the coated granular fertilizer, and preventing the granular raw materials from being quickly dissolved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. An environment-friendly compound fertilizer is characterized in that the formula comprises the following components by weight: 30-55 parts of ammonium sulfate, 15-33 parts of ammonium nitrate, 12-16 parts of ammonium carbonate, 20-29 parts of urea, 80-120 parts of potassium chloride, 50-71 parts of ammonium phosphate, 30-46 parts of monopotassium phosphate, 100 parts of purified water, 135 parts of ammonium phosphate and 40-50 parts of ammonium phosphate.
2. The preparation method of the environment-friendly composite fertilizer as claimed in claim 1, which is characterized by comprising the following steps:
s1, mixing and stirring: pouring the prepared raw materials of ammonium sulfate, ammonium nitrate, ammonium carbonate, urea, potassium chloride, ammonium phosphate, monopotassium phosphate, purified water and ammonium phosphate into a horizontal stirrer or a disc stirrer for stirring, controlling the stirring time to be 30-45 minutes, and simultaneously heating the temperature in the horizontal stirrer or the disc stirrer to be 20-30 ℃;
s2, crushing: after the step S1 is completed, the raw materials after heating and mixing have the problem of caking, and the caked raw materials are poured into a chain type crusher to be crushed;
s3, material granulation: feeding the crushed mixture into a granulator through a belt conveyor for granulation;
s4, injecting granulated chatty into a roller screening machine for primary screening, primarily screening a semi-finished product of particles, and returning unqualified particles to a mixing and stirring link for reprocessing;
s5, feeding the granules which are manufactured and screened by the granulator into a dryer, drying the moisture in the granules, enhancing the strength of the granules and facilitating storage, wherein the dryer is a rotary drum;
s6, cooling the dried particles;
and S7, carrying out secondary classification screening on the cooled particles.
3. The method for preparing environment-friendly composite fertilizer as claimed in claim 2, wherein the cooling treatment of S6 is that the temperature of the dried fertilizer particles is too high and agglomeration is likely to occur, and the fertilizer is sent to a cooling rack and uniformly spread on the cooling rack to ensure uniform distribution of the particles.
4. The method for preparing environment-friendly composite fertilizer as claimed in claim 2, wherein the S7 secondary classification screening is implemented by using a secondary drum screening machine to re-screen cooled fertilizer granules, and the unqualified granules are crushed and re-granulated to screen qualified products.
5. The method for preparing environment-friendly composite fertilizer as claimed in claim 2, wherein after the secondary classification screening is completed, finished granules are coated with a film by using a film coating machine, and qualified products are coated with a film to increase the brightness and the roundness of the granules, so that the appearance is more beautiful.
6. The method of claim 2, wherein the finished granules are packaged quantitatively, and the coated granules, i.e. the finished granules, are transported to a storage bin by a belt conveyor for temporary storage, and then are connected to an electronic quantitative packaging scale and a bag-sewing machine for automatic quantitative packaging and bag-sealing.
7. The method of claim 6, wherein the automatic quantitative packaging envelope is placed in a ventilated place for storage.
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| CN202110816640.XA CN113636882A (en) | 2021-07-20 | 2021-07-20 | Preparation method of environment-friendly compound fertilizer and compound fertilizer |
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| CN202110816640.XA CN113636882A (en) | 2021-07-20 | 2021-07-20 | Preparation method of environment-friendly compound fertilizer and compound fertilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114804964A (en) * | 2022-04-21 | 2022-07-29 | 山东卫康生物医药科技有限公司 | Chitosan oligosaccharide compound fertilizer and preparation process thereof |
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| CN106365778A (en) * | 2016-08-24 | 2017-02-01 | 中化山东肥业有限公司 | High-strength compound fertilizer and preparation method of same |
| CN107324955A (en) * | 2017-08-08 | 2017-11-07 | 河南五吉元肥业有限公司 | A kind of all-element compound fertilizer and preparation method thereof |
| CN108929168A (en) * | 2018-08-29 | 2018-12-04 | 吉林市金穗肥业有限公司 | A kind of organic-inorganic compound fertilizer and preparation method thereof |
| CN111875448A (en) * | 2020-08-05 | 2020-11-03 | 苏州韵之秋智能科技有限公司 | Production method of instant fertilizer |
-
2021
- 2021-07-20 CN CN202110816640.XA patent/CN113636882A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875234A (en) * | 2012-10-17 | 2013-01-16 | 中国农业科学院农业资源与农业区划研究所 | Novel synergetic compound fertilizer and preparation method thereof |
| CN106365778A (en) * | 2016-08-24 | 2017-02-01 | 中化山东肥业有限公司 | High-strength compound fertilizer and preparation method of same |
| CN107324955A (en) * | 2017-08-08 | 2017-11-07 | 河南五吉元肥业有限公司 | A kind of all-element compound fertilizer and preparation method thereof |
| CN108929168A (en) * | 2018-08-29 | 2018-12-04 | 吉林市金穗肥业有限公司 | A kind of organic-inorganic compound fertilizer and preparation method thereof |
| CN111875448A (en) * | 2020-08-05 | 2020-11-03 | 苏州韵之秋智能科技有限公司 | Production method of instant fertilizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114804964A (en) * | 2022-04-21 | 2022-07-29 | 山东卫康生物医药科技有限公司 | Chitosan oligosaccharide compound fertilizer and preparation process thereof |
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Application publication date: 20211112 |