CN113354484A - Environment-friendly agricultural fertilizer and preparation method thereof - Google Patents
Environment-friendly agricultural fertilizer and preparation method thereof Download PDFInfo
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- CN113354484A CN113354484A CN202110826478.XA CN202110826478A CN113354484A CN 113354484 A CN113354484 A CN 113354484A CN 202110826478 A CN202110826478 A CN 202110826478A CN 113354484 A CN113354484 A CN 113354484A
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- parts
- fly ash
- fertilizer
- urea
- weathered coal
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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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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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
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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 an environment-friendly agricultural fertilizer and a preparation method thereof, wherein the environment-friendly agricultural fertilizer comprises the following raw materials in parts by weight: 80-180 parts of urea, 100 parts of weathered coal, 200 parts of fly ash, 240 parts of fly ash, 80-120 parts of deionized water, 10-20 parts of monopotassium phosphate, 5-10 parts of zinc sulfate and 30-60 parts of corncobs. According to the invention, the fertilizer with the effects of environmental protection and energy conservation is arranged, and is mainly based on common weathered coal and fly ash discharged by a coal-fired boiler, and a proper additive and an organic fertilizer are added for combination, so that the fertilizer with a magnetization effect can be formed, and under the condition of meeting the environmental protection effect, the effects of comprehensive nutrition, slow release of nutrients and the like are achieved.
Description
Technical Field
The invention relates to the field of agricultural fertilizers, in particular to an environment-friendly agricultural fertilizer and a preparation method thereof.
Background
The fertilizer is a substance which provides one or more nutrient elements necessary for plants, improves the soil property and improves the soil fertility level, and is one of the material bases of agricultural production. The fertilizer mainly comprises ammonium phosphate fertilizer, macroelement water-soluble fertilizer, secondary element fertilizer, biological fertilizer, organic fertilizer, multi-dimensional field energy concentrated organic fertilizer and the like, the past fertilizer is generally obtained by simply processing in nature, and the fertilizer in the present society is generally manufactured for industry in a unified way, so that the energy conservation and effectiveness of fertilizer resources are ensured, and the long-term fertility of the land can be ensured.
However, because some unreasonable factors exist in the using process, the production performance of the fertilizer is not effectively exerted, so that the soil fertility is reduced, the fertilizer utilization rate is reduced, and the ecological environment is damaged. At present, the scientific fertilization level of China is not high as a whole, blind fertilization still exists in partial areas, fertilizer resources are wasted seriously, the agricultural production cost is increased, the benefit is reduced, the quality of agricultural products is reduced, the ecological environment is polluted, the soil quality is degraded, the continuous yield increase of grains, the agricultural quality improvement and efficiency improvement, cost saving and income increase of farmers and the quality safety of the agricultural products are directly influenced, especially, partial fertilizer raw materials are not fully utilized, and the unused fertilizer raw materials such as fly ash and the like can directly enter the ecological environment to generate pollution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an environment-friendly agricultural fertilizer and a preparation method thereof.
In order to solve the above technical problem, the present invention provides a first technical solution as follows:
the invention relates to an environment-friendly agricultural fertilizer which comprises the following raw materials in parts by weight: 80-180 parts of urea, 100-200 parts of weathered coal, 160-240 parts of fly ash, 80-120 parts of deionized water, 10-20 parts of monopotassium phosphate, 5-10 parts of zinc sulfate and 30-60 parts of corncobs, wherein the fly ash is formed by burning coal.
As a preferable technical scheme of the invention, the ratio of the urea to the weathered coal is 1: 1.5, wherein the ratio of the deionized water to the fly ash is 1: 1.2.
the invention relates to a preferable technical scheme, which comprises 100 parts of urea, 150 parts of weathered coal, 160 parts of fly ash, 80 parts of deionized water, 12.8 parts of monopotassium phosphate, 6.4 parts of zinc sulfate and 32 parts of corncobs.
As a preferable technical scheme of the invention, the corncob is obtained by peeling corn kernels and skins from agricultural product corn, and the corncob is soaked in water for 4 hours, and the water content is 60-70%.
The invention provides a second technical scheme as follows:
the invention also provides a preparation method of the environment-friendly agricultural fertilizer, which comprises the following steps:
a: pulverizing weathered coal and urea by a pulverizer until the weathered coal is not higher than 300 meshes of particles and the urea is not higher than 100 meshes of particles, and then mixing the weathered coal and the urea in a ratio of 1: 1.5, placing the mixture in a mixer for mixing, cooling the mixture by the reactor again, and then crushing the mixture by a crusher to be 80 meshes to obtain weathered coal urea powder;
b: respectively crushing the fly ash, corncobs, monopotassium phosphate and zinc sulfate into particles within 200 meshes in a crusher, and mixing the pulverized fly ash, the corncobs, the monopotassium phosphate and the zinc sulfate according to the proportion of 1: 0.2: 0.08: 0.04, according to a ratio of 1: 1.2, adding deionized water according to the proportion of the fly ash to the deionized water, and stirring to obtain a fly ash stirring solution;
c: mixing the weathered coal urea powder and the fly ash stirring liquid obtained in the steps A and B in a ratio of 1: 1, stirring uniformly in the stirrer again, making into spherical particles in an extrusion granulator, shaping, placing in a fertilizer magnetizing device for magnetization treatment, screening out by a screening machine, and packaging to obtain the finished fertilizer:
compared with the prior art, the invention has the following beneficial effects:
according to the invention, the fertilizer with the effects of environmental protection and energy conservation is arranged, and is mainly based on common weathered coal and fly ash discharged by a coal-fired boiler, and a proper additive and an organic fertilizer are added for combination, so that the fertilizer with a magnetization effect can be formed, and under the condition of meeting the environmental protection effect, the effects of comprehensive nutrition, slow release of nutrients and the like are achieved.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
Example 1
The invention provides an environment-friendly agricultural fertilizer which comprises the following raw materials in parts by weight: 100 parts of urea, 150 parts of weathered coal, 160 parts of fly ash, 80 parts of deionized water, 12.8 parts of monopotassium phosphate, 6.4 parts of zinc sulfate and 32 parts of corncobs.
Further, the ratio of urea to weathered coal is 1: 1.5, wherein the ratio of the deionized water to the fly ash is 1: 1.2.
the corn cob is obtained by peeling corn kernels and skin from agricultural product corn, and is soaked in water for 4h, and the water content is 60-70%.
The invention provides a method for preparing an environment-friendly agricultural fertilizer, which comprises the following steps:
a: pulverizing weathered coal and urea by a pulverizer until the weathered coal is not higher than 300 meshes of particles and the urea is not higher than 100 meshes of particles, and then mixing the weathered coal and the urea in a ratio of 1: 1.5, placing the mixture in a mixer for mixing, cooling the mixture by the reactor again, and then crushing the mixture by a crusher to be 80 meshes to obtain weathered coal urea powder;
b: respectively crushing the fly ash, corncobs, monopotassium phosphate and zinc sulfate into particles within 200 meshes in a crusher, and mixing the pulverized fly ash, the corncobs, the monopotassium phosphate and the zinc sulfate according to the proportion of 1: 0.2: 0.08: 0.04, according to a ratio of 1: 1.2, adding deionized water according to the proportion of the fly ash to the deionized water, and stirring, wherein a fertilizer additive is also added in the way to obtain a fly ash stirring solution;
c: mixing the weathered coal urea powder and the fly ash stirring liquid obtained in the steps A and B in a ratio of 1: 1, stirring uniformly in a stirrer again, preparing into spherical particles in an extrusion granulator, shaping, putting into a fertilizer magnetizing device for magnetization treatment, screening out by a screening machine, and packaging to obtain the finished fertilizer.
Specifically, weathered coal with high humic acid content and urea are uniformly mixed and then are prepared in a reactor at the temperature of 80-100 ℃, due to the fact that the weathered coal and the urea are prepared by a dry method, continuous discharging can be achieved, the drying problem is solved, the nitrogen content of a product in the process flow is high and is 20-30%, after the weathered coal and the urea are mixed again by combining a mixture prepared from fly ash, trace elements are further carried in the material, and the content of the trace elements in the fly ash is shown in the following table 1:
TABLE 1
Therefore, a fertilizer product with a magnetization effect can be prepared by matching with the original weathered coal urea powder, and particularly when the organic raw material corncob is combined, the biological fiber structure further forms a coating on the particle surface in the manufacturing process, so that the effect of slowly releasing nutrients is achieved, and the fertilizer is more environment-friendly and has a lasting effect compared with the original fertilizer product;
meanwhile, the magnetized fertilizer product can further reduce the soil hardening phenomenon, adjust different kinds of magnetotactic bacteria in the soil, reduce the hydrolytic acidity and improve the effect of acid soil.
In the current experiment, a blank is adopted, urea and the fertilizer are used as control experiment treatment, crops are adopted as cucumbers and green Chinese onions, the use amount of phosphorus and potassium in each field to be treated is the same, the total nitrogen of cucumber seedlings after the cucumbers in the field mu are harvested is used for detection, and the total yield is counted; measuring the total nitrogen content of the plant after harvesting the green Chinese onions, and counting the yield; specific yields are shown in table 2 below:
TABLE 2
In the economic yield part in the table, the upper numerical value is a urea control group, the lower numerical value is a chemical fertilizer control group, the acre area and the plants are the same area and the number, the yield increase rate is 19.20-30.09%, the areas and the number reach the significant level, and the determined formula of the nitrogen utilization rate is as follows:
the nitrogen utilization rate is (nitrogen absorption in nitrogen-applying region-nitrogen absorption in nitrogen-not-applying region)/the nitrogen fertilizer dosage in nitrogen-applying region is multiplied by 100;
the method can be obtained according to calculation after the numerical values of the corresponding areas are measured, wherein the nitrogen absorption utilization rate in the area per mu of the cucumber is increased by 16.23%, the utilization rate of the green Chinese onion is increased by 17.52%, and the method has obvious effects, and has certain effect of improving the fertility when facing agricultural products such as fruit trees, wheat and cotton.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An environment-friendly agricultural fertilizer is characterized by comprising the following raw materials in parts by weight: 80-180 parts of urea, 100-200 parts of weathered coal, 160-240 parts of fly ash, 80-120 parts of deionized water, 10-20 parts of monopotassium phosphate, 5-10 parts of zinc sulfate and 30-60 parts of corncobs, wherein the fly ash is formed by burning coal.
2. The environment-friendly agricultural fertilizer as claimed in claim 1, wherein the ratio of the urea to the weathered coal is 1: 1.5, wherein the ratio of the deionized water to the fly ash is 1: 1.2.
3. the environment-friendly agricultural fertilizer as claimed in claim 1, comprising 100 parts of urea, 150 parts of weathered coal, 160 parts of fly ash, 80 parts of deionized water, 12.8 parts of monopotassium phosphate, 6.4 parts of zinc sulfate and 32 parts of corncobs.
4. The environment-friendly agricultural fertilizer as claimed in claim 1, wherein the corncob is obtained by peeling corn kernels and skins from corn as an agricultural product, and the corncob is soaked in water for 4 hours and has a water content of 60-70%.
5. A manufacturing method of an environment-friendly agricultural fertilizer is characterized by comprising the following specific steps:
a: pulverizing weathered coal and urea by a pulverizer until the weathered coal is not higher than 300 meshes of particles and the urea is not higher than 100 meshes of particles, and then mixing the weathered coal and the urea in a ratio of 1: 1.5, placing the mixture in a mixer for mixing, cooling the mixture by the reactor again, and then crushing the mixture by a crusher to be 80 meshes to obtain weathered coal urea powder;
b: respectively crushing the fly ash, corncobs, monopotassium phosphate and zinc sulfate into particles within 200 meshes in a crusher, and mixing the pulverized fly ash, the corncobs, the monopotassium phosphate and the zinc sulfate according to the proportion of 1: 0.2: 0.08: 0.04, according to a ratio of 1: 1.2, adding deionized water according to the proportion of the fly ash to the deionized water, and stirring, wherein a fertilizer additive is also added in the way to obtain a fly ash stirring solution;
c: mixing the weathered coal urea powder and the fly ash stirring liquid obtained in the steps A and B in a ratio of 1: 1, stirring uniformly in a stirrer again, preparing into spherical particles in an extrusion granulator, shaping, putting into a fertilizer magnetizing device for magnetization treatment, screening out by a screening machine, and packaging to obtain the finished fertilizer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110826478.XA CN113354484A (en) | 2021-07-21 | 2021-07-21 | Environment-friendly agricultural fertilizer and preparation method thereof |
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| CN202110826478.XA CN113354484A (en) | 2021-07-21 | 2021-07-21 | Environment-friendly agricultural fertilizer and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1273958A (en) * | 2000-06-20 | 2000-11-22 | 新疆地丰磁化复合肥有限责任公司 | Magnetized multi-element compound organic fertilizer and its production method |
| CN101633587A (en) * | 2008-07-21 | 2010-01-27 | 石师宁 | Saline-alkali land improving and fertilizing agent and preparation method thereof |
| CN105000974A (en) * | 2015-06-30 | 2015-10-28 | 安徽徽皇肥业有限公司 | Magnetic controlled-release fertilizer capable of improving soil water release and fertilizer maintenance capacity, and preparation method thereof |
-
2021
- 2021-07-21 CN CN202110826478.XA patent/CN113354484A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1273958A (en) * | 2000-06-20 | 2000-11-22 | 新疆地丰磁化复合肥有限责任公司 | Magnetized multi-element compound organic fertilizer and its production method |
| CN101633587A (en) * | 2008-07-21 | 2010-01-27 | 石师宁 | Saline-alkali land improving and fertilizing agent and preparation method thereof |
| CN105000974A (en) * | 2015-06-30 | 2015-10-28 | 安徽徽皇肥业有限公司 | Magnetic controlled-release fertilizer capable of improving soil water release and fertilizer maintenance capacity, and preparation method thereof |
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Application publication date: 20210907 |
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