CN114230410A - Compound fertilizer for improving soil quality and preventing diseases, preparation method and preparation equipment - Google Patents
Compound fertilizer for improving soil quality and preventing diseases, preparation method and preparation equipment Download PDFInfo
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- CN114230410A CN114230410A CN202111524830.0A CN202111524830A CN114230410A CN 114230410 A CN114230410 A CN 114230410A CN 202111524830 A CN202111524830 A CN 202111524830A CN 114230410 A CN114230410 A CN 114230410A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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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
- C05G3/90—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
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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
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The invention provides a compound fertilizer for improving soil quality and preventing diseases, a preparation method and preparation equipment, and relates to the technical field of compound fertilizers, wherein the compound fertilizer for improving soil quality and preventing diseases comprises 60-80 parts of urea, 22-28 parts of lignin, 20-28 parts of ammonium dihydrogen phosphate, 16-25 parts of monoammonium phosphate, 10-20 parts of livestock manure, 3-8 parts of borax, 1-6 parts of thiamethoxam, 1-5 parts of thifluzamide, 2-8 parts of dicyandiamide, 3-6 parts of thiophanate methyl preparation, 6-12 parts of sodium selenite, 1-5 parts of ammonium molybdate, 2-6 parts of guanyl thiourea, 3-8 parts of humic acid urea iron, 1-6 parts of biological protein, 1-5 parts of nitrification inhibitor, 2-6 parts of xanthan gum, 4-10 parts of sawdust and 6-15 parts of bovine bone meal, 15-22 parts of polyglutamic acid and 8-16 parts of pyrite; by using the compound fertilizer provided by the invention, the incidence rate of the wheat root rot can be controlled to be 5.8-6.3%, which is greatly higher than the incidence rate of the fertilizer in the prior art to the wheat root rot by 6.5-12.5%; the yield of wheat can reach 648.5-658.6 Kg/mu by using the compound fertilizer provided by the invention, which is greatly higher than 619.4-645.5 Kg/mu of the yield of wheat by the fertilizer in the prior art.
Description
Technical Field
The invention relates to the technical field of compound fertilizers, in particular to a compound fertilizer for improving soil quality and preventing diseases, a preparation method and preparation equipment.
Background
Soil serves as a locus for the growth of soil animals, plants and soil microorganisms, which are directly affected by the health of the soil. Soil health refers to the operational capability of soil functions to maintain biological productivity, environmental quality and promote plant and animal health within ecosystem boundaries. The content of organic matters in soil is one of the most important indexes of soil fertility, and is the most important carbon sink in a land ecosystem, and the soil organic matters can improve soil aggregate and stability, water infiltration and retention, nutrient absorption and exchange, support microbial activities and the like. However, in recent years, due to changes of crop planting systems, land utilization modes, fertilization systems and the like, agricultural chemicals and chemical fertilizers are excessively depended on in production, application of organic fertilizers is neglected, and a series of problems that farmland soil health is seriously deteriorated, land productivity is exhausted, fertilizer utilization rate is low, carbon element/nitrogen element proportion in soil is seriously reduced, organic matters in soil are consumed and the like are completely solved are caused. Therefore, the restoration of the farmland soil health and the promotion of the organic matter content are imperative, and the method is an effective way for improving the crop yield and quality.
In a Chinese patent with an authorization publication number of CN104311367B, an ecological carbon fertilizer for improving wheat soil is disclosed, which is prepared from the following raw materials in parts by weight: 50-150 parts of biomass particles with the granularity of 20-60 meshes, 10-30 parts of corn starch, 10-20 parts of potassium fulvate and 1-20 parts of zinc sulfate.
However, in the technical scheme, the incidence rate of wheat root rot is 6.5-12.5%, the actual yield of wheat is 619.4-657.5 Kg/mu, and all indexes of the wheat root rot are required to be further improved.
Disclosure of Invention
The invention aims to provide a compound fertilizer for improving soil property and preventing diseases, and aims to solve the technical problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme: the compound fertilizer for improving soil property and preventing diseases comprises the following raw materials in parts by weight: 60-80 parts of urea, 22-28 parts of lignin, 20-28 parts of ammonium dihydrogen phosphate, 16-25 parts of monoammonium phosphate, 10-20 parts of livestock manure, 3-8 parts of borax, 1-6 parts of thiamethoxam, 1-5 parts of thifluzamide, 2-8 parts of dicyandiamide, 3-6 parts of thiophanate methyl preparation, 6-12 parts of sodium selenite, 1-5 parts of ammonium molybdate, 2-6 parts of guanyl thiourea, 3-8 parts of humic acid urea iron, 1-6 parts of biological protein, 1-5 parts of nitrification inhibitor, 2-6 parts of xanthan gum, 4-10 parts of sawdust, 6-15 parts of bovine bone meal, 15-22 parts of polyglutamic acid and 8-16 parts of pyrite.
The invention further adopts the technical scheme that the feed additive comprises the following raw materials in parts by weight: 65-75 parts of urea, 24-26 parts of lignin, 22-26 parts of ammonium dihydrogen phosphate, 19-22 parts of monoammonium phosphate, 14-16 parts of livestock manure, 4-7 parts of borax, 2-5 parts of thiamethoxam, 2-4 parts of thifluzamide, 4-6 parts of dicyandiamide, 4-5 parts of thiophanate methyl preparation, 8-10 parts of sodium selenite, 2-4 parts of ammonium molybdate, 3-5 parts of guanyl thiourea, 4-7 parts of humic acid urea iron, 2-5 parts of biological protein, 2-4 parts of nitrification inhibitor, 3-5 parts of xanthan gum, 6-8 parts of sawdust, 9-12 parts of bovine bone meal, 18-20 parts of polyglutamic acid and 10-14 parts of pyrite.
The invention further adopts the technical scheme that the feed additive comprises the following raw materials in parts by weight: 70 parts of urea, 25 parts of lignin, 24 parts of ammonium dihydrogen phosphate, 20 parts of monoammonium phosphate, 15 parts of livestock manure, 6 parts of borax, 4 parts of thiamethoxam, 3 parts of thifluzamide, 5 parts of dicyandiamide, 4.5 parts of thiophanate methyl preparation, 9 parts of sodium selenite, 3 parts of ammonium molybdate, 4 parts of guanyl thiourea, 6 parts of humic acid urea iron, 4 parts of biological protein, 3 parts of nitrification inhibitor, 4 parts of xanthan gum, 7 parts of sawdust, 10 parts of bovine bone meal, 19 parts of polyglutamic acid and 12 parts of pyrite.
The invention also aims to provide a preparation method of the compound fertilizer for improving soil property and preventing diseases, which comprises the following steps:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
The further technical scheme of the invention is that the fermentation temperature in the step one is 60-70 ℃, and the fermentation time is 9-12 days.
Another object of the present invention is to provide a manufacturing apparatus of the compound fertilizer for improving soil property and preventing diseases, including:
a first drying device used for drying the fermentation product after the mixed fermentation of the livestock manure, the lignin, the bovine bone meal, the sawdust and the pyrite,
crushing equipment for crushing the dried fermentation product, urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, urea iron humate, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid respectively;
a mixing device for mixing the crushed materials;
a granulating device for granulating the mixed materials;
a second drying apparatus for drying the particulate material;
a screen device for screening the dried particulate material;
and cooling equipment for cooling the screened particulate material;
the further technical scheme of the invention is that the crushing device comprises a first shell, a first crushing roller is rotatably arranged in the first shell, the first crushing roller is driven by a first rotary driving device, a second crushing roller is arranged on one side of the first crushing roller in parallel, a sliding mechanism is arranged on the wall body of the first shell, the second crushing roller is connected with the movable end of the sliding mechanism, a U-shaped frame is arranged on one side of the second crushing roller far away from the first crushing roller, the second crushing roller is rotatably connected with the U-shaped frame, a threaded rod is in threaded connection with the wall body of the first shell, a shaft sleeve is arranged on the U-shaped frame, one end of the threaded rod is rotatably connected with the shaft sleeve, a handle is arranged at the other end of the threaded rod, a protective cover body is fixedly connected to the surface of the first shell, a first rotating disc fixedly connected with the rotating end of the first crushing roller and a second rotating disc fixedly connected with the rotating end of the second crushing roller are arranged in the protective cover body, the side that first carousel and second carousel are relative prolongs its circumferencial direction respectively even straight-teeth that is provided with, be provided with the pivot between first carousel and the second carousel, the pivot passes through the mounting bracket and rotates and install on first casing, and the circumferencial surface of pivot is even is provided with the bar dogtooth, the straight-tooth with the straight-tooth still can remove along the direction of bar dogtooth when the bar dogtooth meshing is connected.
According to a further technical scheme, the sliding mechanism comprises a sliding groove formed in the wall body of the first shell, a sliding block is connected in the sliding groove in a sliding mode, and the second crushing roller is rotatably installed on the sliding block.
The further technical scheme of the invention is that the mixing device comprises a second shell, a second rotation driving device is fixedly installed in the second shell, a cylindrical cover body is fixedly connected to the output end of the second rotation driving device, a fixed table is arranged in the cylindrical cover body, the fixed table is fixedly connected with the second shell through a supporting structure, the supporting structure penetrates through the lower side wall body of the cylindrical cover body, an inverted V-shaped groove is formed in the side wall of the fixed table, the lower part of the V-shaped groove is provided with a fast arc, the lower edge of the fast arc exceeds the lower edge of the fixed table, the side wall of the cylindrical cover body is rotatably connected with a rotating shaft along the circumferential direction of the cylindrical cover body, one end of the rotating shaft is fixedly connected with an arc plate located in the cylindrical cover body, two cylinders are arranged on the arc plate, the cylinders can move along the lower edge of the fixed table and can enter the V-shaped groove to rotate the arc plate when one cylinder touches the fast arc plate, the other end of the rotating shaft is fixedly connected with a material turning plate positioned outside the cylindrical cover body.
The technical scheme of the invention is that the supporting structure is fixedly connected with a fixed rod and a fixed column, the fixed rod is fixedly connected with the inner wall of the cylindrical cover body, and the cylindrical cover body is rotatably connected with the fixed column.
According to a further technical scheme, the lower part of the cylindrical cover body is provided with a stirring paddle.
The invention has the beneficial effects that:
1. by using the compound fertilizer provided by the invention, the incidence rate of the wheat root rot can be controlled to be 5.8-6.3%, which is greatly higher than the incidence rate of the fertilizer in the prior art to the wheat root rot by 6.5-12.5%;
2. the yield of wheat can reach 648.5-658.6 Kg/mu by using the compound fertilizer provided by the invention, which is greatly higher than 619.4-645.5 Kg/mu of the yield of wheat by the fertilizer in the prior art;
3. when the dried fermentation product, urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, iron humate urea, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid are respectively crushed, the crushing precision of crushing equipment is required to be set according to different materials, so that the distance between a first crushing roller and a second crushing roller is adjusted, a handle is manually rotated, a threaded rod is rotated and moved, a U-shaped frame is driven to move, a second crushing roller is driven to move, a second turntable which is coaxially and fixedly connected with the second crushing roller is also moved, straight teeth on the second turntable can move along strip-shaped convex teeth on a rotating shaft, and therefore through the matching of the straight teeth on the first turntable and the second turntable and the strip-shaped convex teeth on the rotating shaft, the distance between the first crushing roller and the second crushing roller can be conveniently adjusted, so that the crushing device disclosed by the invention can be suitable for dried fermentation products, urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum, polyglutamic acid and other materials, the application range is wide, and the equipment cost is saved;
4. start the second and rotate drive arrangement and make the cylindricality cover body and rotate, the cylindricality cover body rotates and takes the axis of rotation to rotate, thereby take the arc to rotate, make the cylinder along the lower part edge removal of fixed station, it rotates to take the material turning plate still, thereby realize the flash mixed to the material, and further, can make this cylinder enter into V type inslot so that the arc takes place to rotate after one of them cylinder touches the arc soon, then can take the material turning plate to take place to rotate this moment, consequently, the material turning plate not only can follow the cylindricality cover body and rotate but also can the self-overturning, further improve the mixed effect to the material, and the mixing efficiency is improved.
Drawings
FIG. 1 is a schematic view of a production apparatus for a compound fertilizer according to the present invention.
FIG. 2 is a schematic view showing the construction of a crushing apparatus in the apparatus for producing a compound fertilizer according to the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a front view schematically illustrating the structure of fig. 2.
FIG. 5 is a schematic view showing the construction of mixing equipment in the apparatus for producing a compound fertilizer according to the present invention.
Fig. 6 is a schematic structural view of a state inside the cylindrical cover body in fig. 5.
Fig. 7 is a structural view showing another state of the inside of the cylindrical cover in fig. 5.
Fig. 8 is a sectional view taken along line B-B of fig. 6.
Fig. 9 is a sectional view taken along line C-C of fig. 7.
Fig. 10 is a schematic view showing the internal structure of the cylindrical cover of fig. 5 with only the fixed stage remaining.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Example 1
A compound fertilizer for improving soil property and preventing diseases comprises the following raw materials in parts by weight: 60 parts of urea, 22 parts of lignin, 20 parts of ammonium dihydrogen phosphate, 16 parts of monoammonium phosphate, 10 parts of livestock manure, 3 parts of borax, 1 part of thiamethoxam, 1 part of thifluzamide, 2 parts of dicyandiamide, 3 parts of thiophanate methyl preparation, 6 parts of sodium selenite, 1 part of ammonium molybdate, 2 parts of guanyl thiourea, 3 parts of humic acid urea iron, 1 part of biological protein, 1 part of nitrification inhibitor, 2 parts of xanthan gum, 4 parts of sawdust, 6 parts of bovine bone meal, 15 parts of polyglutamic acid and 8 parts of pyrite.
The preparation method comprises the following steps:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting at the fermentation temperature of 70 ℃ for 12 days to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
Example 2
A compound fertilizer for improving soil property and preventing diseases comprises the following raw materials in parts by weight: 80 parts of urea, 28 parts of lignin, 28 parts of ammonium dihydrogen phosphate, 25 parts of monoammonium phosphate, 20 parts of livestock manure, 8 parts of borax, 6 parts of thiamethoxam, 5 parts of thifluzamide, 8 parts of dicyandiamide, 6 parts of thiophanate methyl preparation, 12 parts of sodium selenite, 5 parts of ammonium molybdate, 6 parts of guanyl thiourea, 8 parts of humic acid urea iron, 6 parts of biological protein, 5 parts of nitrification inhibitor, 6 parts of xanthan gum, 10 parts of sawdust, 15 parts of bovine bone meal, 22 parts of polyglutamic acid and 16 parts of pyrite.
The preparation method comprises the following steps:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting at the fermentation temperature of 60 ℃ for 9-12 days to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
Example 3
A compound fertilizer for improving soil property and preventing diseases comprises the following raw materials in parts by weight: 65 parts of urea, 24 parts of lignin, 22 parts of ammonium dihydrogen phosphate, 19 parts of monoammonium phosphate, 14 parts of livestock manure, 4 parts of borax, 2 parts of thiamethoxam, 2 parts of thifluzamide, 4 parts of dicyandiamide, 4 parts of thiophanate methyl preparation, 8 parts of sodium selenite, 2 parts of ammonium molybdate, 3 parts of guanyl thiourea, 4 parts of humic acid urea iron, 2 parts of biological protein, 2 parts of nitrification inhibitor, 3 parts of xanthan gum, 6 parts of sawdust, 9 parts of bovine bone meal, 18 parts of polyglutamic acid and 10 parts of pyrite.
The preparation method comprises the following steps:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting at the fermentation temperature of 62 ℃ for 10 days to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
Example 4
A compound fertilizer for improving soil property and preventing diseases comprises the following raw materials in parts by weight: 75 parts of urea, 26 parts of lignin, 26 parts of ammonium dihydrogen phosphate, 22 parts of monoammonium phosphate, 16 parts of livestock manure, 7 parts of borax, 5 parts of thiamethoxam, 4 parts of thifluzamide, 6 parts of dicyandiamide, 5 parts of thiophanate methyl preparation, 10 parts of sodium selenite, 4 parts of ammonium molybdate, 5 parts of guanyl thiourea, 7 parts of humic acid urea iron, 5 parts of biological protein, 4 parts of nitrification inhibitor, 5 parts of xanthan gum, 8 parts of sawdust, 12 parts of bovine bone meal, 20 parts of polyglutamic acid and 14 parts of pyrite.
The preparation method comprises the following steps:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting at 64 ℃ for 11 days to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
Example 5
A compound fertilizer for improving soil property and preventing diseases comprises the following raw materials in parts by weight: 70 parts of urea, 25 parts of lignin, 24 parts of ammonium dihydrogen phosphate, 20 parts of monoammonium phosphate, 15 parts of livestock manure, 6 parts of borax, 4 parts of thiamethoxam, 3 parts of thifluzamide, 5 parts of dicyandiamide, 4.5 parts of thiophanate methyl preparation, 9 parts of sodium selenite, 3 parts of ammonium molybdate, 4 parts of guanyl thiourea, 6 parts of humic acid urea iron, 4 parts of biological protein, 3 parts of nitrification inhibitor, 4 parts of xanthan gum, 7 parts of sawdust, 10 parts of bovine bone meal, 19 parts of polyglutamic acid and 12 parts of pyrite.
The preparation method comprises the following steps:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting at 66 ℃ for 12 days to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
Example 6
A compound fertilizer for improving soil property and preventing diseases comprises the following raw materials in parts by weight: 80 parts of urea, 22 parts of lignin, 20 parts of ammonium dihydrogen phosphate, 16 parts of monoammonium phosphate, 10 parts of livestock manure, 3 parts of borax, 1 part of thiamethoxam, 1 part of thifluzamide, 2 parts of dicyandiamide, 3 parts of thiophanate methyl preparation, 6 parts of sodium selenite, 1 part of ammonium molybdate, 2 parts of guanyl thiourea, 3 parts of humic acid urea iron, 1 part of biological protein, 1 part of nitrification inhibitor, 2 parts of xanthan gum, 4 parts of sawdust, 6 parts of bovine bone meal, 15 parts of polyglutamic acid and 8 parts of pyrite.
The preparation method comprises the following steps:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting at the fermentation temperature of 68 ℃ for 9 days to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
Example 7
A compound fertilizer for improving soil property and preventing diseases comprises the following raw materials in parts by weight: 60 parts of urea, 28 parts of lignin, 28 parts of ammonium dihydrogen phosphate, 25 parts of monoammonium phosphate, 20 parts of livestock manure, 8 parts of borax, 6 parts of thiamethoxam, 5 parts of thifluzamide, 8 parts of dicyandiamide, 6 parts of thiophanate methyl preparation, 12 parts of sodium selenite, 5 parts of ammonium molybdate, 6 parts of guanyl thiourea, 8 parts of humic acid urea iron, 6 parts of biological protein, 5 parts of nitrification inhibitor, 6 parts of xanthan gum, 10 parts of sawdust, 15 parts of bovine bone meal, 22 parts of polyglutamic acid and 16 parts of pyrite.
The preparation method comprises the following steps:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting at the fermentation temperature of 61 ℃ for 10 days to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
Example 8
A compound fertilizer for improving soil property and preventing diseases comprises the following raw materials in parts by weight: 60 parts of urea, 25 parts of lignin, 24 parts of ammonium dihydrogen phosphate, 20 parts of monoammonium phosphate, 15 parts of livestock manure, 6 parts of borax, 4 parts of thiamethoxam, 3 parts of thifluzamide, 5 parts of dicyandiamide, 4.5 parts of thiophanate methyl preparation, 9 parts of sodium selenite, 3 parts of ammonium molybdate, 4 parts of guanyl thiourea, 6 parts of humic acid urea iron, 4 parts of biological protein, 3 parts of nitrification inhibitor, 4 parts of xanthan gum, 7 parts of sawdust, 10 parts of bovine bone meal, 19 parts of polyglutamic acid and 12 parts of pyrite.
The preparation method comprises the following steps:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting at 63 ℃ for 11 days to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
Example 9
A compound fertilizer for improving soil property and preventing diseases comprises the following raw materials in parts by weight: 80 parts of urea, 25 parts of lignin, 24 parts of ammonium dihydrogen phosphate, 20 parts of monoammonium phosphate, 15 parts of livestock manure, 6 parts of borax, 4 parts of thiamethoxam, 3 parts of thifluzamide, 5 parts of dicyandiamide, 4.5 parts of thiophanate methyl preparation, 9 parts of sodium selenite, 3 parts of ammonium molybdate, 4 parts of guanyl thiourea, 6 parts of humic acid urea iron, 4 parts of biological protein, 3 parts of nitrification inhibitor, 4 parts of xanthan gum, 7 parts of sawdust, 10 parts of bovine bone meal, 19 parts of polyglutamic acid and 12 parts of pyrite.
The preparation method comprises the following steps:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting at the fermentation temperature of 67 ℃ for 10 days to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
To illustrate the effect of the compound fertilizer provided by the present invention, the experimental examples are as follows:
the test is carried out in a wheat field of a rural village which is cast by horses in Longan district of Anyang city in Henan province in 2018, the wheat field is a wheat and corn rotation field, 12 test areas are arranged, the area of each test area is about 3 mu, the wheat variety is Zheng wheat 366, when plowing is carried out before sowing, 120 Kg/mu of compound fertilizer provided by the embodiment 1-9 is uniformly spread on 9 test areas respectively to serve as the test groups 1-9, the rest 3 test areas are uniformly spread on the ecological carbon fertilizer with the name of improving wheat soil and the preparation method thereof (the authorization notice number CN 104311367B) respectively, the ecological carbon fertilizer is provided by the embodiment 2, the embodiment 7 and the embodiment 13 as the control groups 1-3, planting is started at 9 months 10 and 9 days in 2018, the field management is carried out according to the local convention, wherein the incidence rate of root rot of wheat is counted in the maturity-harvesting stage, and the counting method comprises the following steps: five-point sampling was used, 30 plants per point, and 150 plants were investigated per test area.
Specific test data are shown in the following table:
as can be seen from the above table, the incidence rate of wheat root rot can be controlled to be 5.8-6.3% by using the compound fertilizers of examples 1-9 provided by the invention, which is greatly higher than the incidence rate of wheat root rot by the fertilizers of the prior art by 6.5-12.5%, and the yield of wheat by using the compound fertilizers of examples 1-9 provided by the invention can reach 648.5-658.6 Kg/mu, which is greatly higher than 619.4-645.5 Kg/mu of wheat yield by the fertilizers of the prior art.
The preparation equipment of the compound fertilizer for improving soil quality and preventing diseases, as shown in figures 1-10, comprises:
a first drying device 1 for drying the fermentation product after the mixed fermentation of the livestock manure, the lignin, the bovine bone meal, the sawdust and the pyrite,
a crushing device 2 for crushing the dried fermentation product, urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, urea iron humate, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid respectively;
a mixing device 3 for mixing the pulverized material;
a granulating device 4 for granulating the mixed material;
a second drying device 5 for drying the particulate material;
a screen device 6 for screening the dried particulate material;
and a cooling device 7 for cooling the screened particulate material;
the crushing device 2 comprises a first shell 21, a first crushing roller 201 is rotatably installed inside the first shell 21, the first crushing roller 201 is driven by a first rotary driving device 214, the first rotary driving device 214 can be composed of a motor and a speed reducer, a second crushing roller 202 is arranged on one side of the first crushing roller 201 in parallel, a sliding mechanism is arranged on the wall body of the first shell 21, the second crushing roller 202 is connected with the movable end of the sliding mechanism, a U-shaped frame 203 is arranged on one side, away from the first crushing roller 201, of the second crushing roller 202, the second crushing roller 202 is rotatably connected with the U-shaped frame 203, a threaded rod 205 is connected with the wall body of the first shell 21 through threads, a shaft sleeve 204 is installed on the U-shaped frame 203, one end of the threaded rod 205 is rotatably connected with the shaft sleeve 204, a handle 206 is arranged at the other end of the threaded rod 205, and a protective cover 209 is fixedly connected with the surface of the first shell 21, the inside of protecting shield body 209 is provided with the first carousel 211 with the rotation end fixed connection of first crushing roller 201 and the second carousel 210 with the rotation end fixed connection of second crushing roller 202, the side that first carousel 211 and second carousel 210 are relative is followed its circumferencial direction respectively even and is provided with the straight-tooth, be provided with pivot 212 between first carousel 211 and the second carousel 210, pivot 212 passes through mounting bracket 213 and rotates and install on first casing 21, and the circumferential surface of pivot 212 is even is provided with the bar dogtooth, the straight-tooth with the straight-tooth still can remove along the direction of bar dogtooth when the bar dogtooth meshing is connected.
In this embodiment, when the dried fermentation product, urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid are pulverized respectively, the pulverizing precision of the pulverizing equipment is required to be set for different materials, so that the distance between the first pulverizing roller 201 and the second pulverizing roller 202 is adjusted, and when the handle 206 is manually rotated, the threaded rod 205 rotates and moves, and drives the U-shaped frame 203 to move, so as to drive the second pulverizing roller 202 to move, and because the second rotating disc 210 coaxially and fixedly connected with the second pulverizing roller 202 also moves, the straight teeth on the second rotating disc 210 can move along the strip-shaped convex teeth on the rotating shaft 212, so that through the matching of the straight teeth on the first rotating disc 211 and the second rotating disc 210 with the convex teeth on the rotating shaft, the distance between the first crushing roller 201 and the second crushing roller 202 can be conveniently adjusted, so that the crushing device disclosed by the invention can be suitable for dried fermentation products, urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum, polyglutamic acid and other materials, the application range is wide, and the equipment cost is saved.
Specifically, the sliding mechanism includes a sliding groove 207 formed in a wall of the first housing 21, a sliding block 208 is slidably connected to the sliding groove 207, the second pulverizing roller 202 is rotatably mounted on the sliding block 208, and when the second pulverizing roller 202 moves, the sliding block moves in the sliding groove 207.
Specifically, the mixing device 3 includes a second housing 31, a second rotation driving device 301 is fixedly mounted inside the second housing 31, the second rotation driving device 301 may include a motor and a speed reducer, an output end of the second rotation driving device 301 is fixedly connected with a cylindrical cover 302, a fixed station 303 is disposed inside the cylindrical cover 302, the fixed station 303 is fixedly connected with the second housing 31 through a supporting structure, and the supporting structure passes through a lower sidewall of the cylindrical cover 302, a sidewall of the fixed station 303 is provided with an inverted V-shaped groove 307, a lower portion of the V-shaped groove 307 is provided with an arc block 308, a lower edge of the arc block 308 exceeds a lower edge of the fixed station 303, the sidewall of the cylindrical cover 302 is rotatably connected with a rotating shaft 309 along a circumferential direction thereof, one end of the rotating shaft 309 is fixedly connected with an arc plate 311 located inside the cylindrical cover 302, and two cylinders 312 are disposed on the arc plate 311, the cylinders 312 can move along the lower edge of the fixed table 303, when one of the cylinders 312 contacts the arc block 308, the cylinder 312 can enter the V-shaped groove 307 to rotate the arc plate 311, the other end of the rotating shaft 309 is fixedly connected with a material turning plate 310 located outside the cylindrical cover 302, the supporting structure is fixedly connected with a fixed rod 305 fixedly connected with the inner wall of the cylindrical cover 302 and a fixed column 304 fixedly connected with the fixed rod 305, and the cylindrical cover 302 is rotatably connected with the fixed column 304.
In this embodiment, the second rotation driving device 301 is activated to rotate the cylindrical housing 302, the cylindrical housing 302 rotates with the rotation shaft 309 to rotate the arc-shaped plate 311, so that the cylinder 312 moves along the lower edge of the fixed platform 303 and also rotates with the material turning plate 310, thereby realizing rapid mixing of the materials, and further, when one of the cylinders 312 contacts the arc-shaped plate 308, the cylinder 312 enters the V-shaped groove 307 to rotate the arc-shaped plate 311, and at this time, the material turning plate 310 can be driven to rotate, as shown in fig. 6 and 8, so that the material turning plate 310 not only can rotate along with the cylindrical housing 302, but also can turn over itself, further improving the mixing effect of the materials and the mixing efficiency, when the cylinder 312 is separated from the V-shaped groove 307, the two cylinders 312 on the same arc-shaped plate 311 move along the lower edge of the cylindrical housing 302, the material overturning plate 310 is reset at this time.
Further, the lower part of the cylindrical cover body 302 is provided with a stirring paddle 306, so that the mixing quality and the mixing efficiency are further improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The compound fertilizer for improving soil property and preventing diseases is characterized by comprising the following raw materials in parts by weight:
60-80 parts of urea, 22-28 parts of lignin, 20-28 parts of ammonium dihydrogen phosphate, 16-25 parts of monoammonium phosphate, 10-20 parts of livestock manure, 3-8 parts of borax, 1-6 parts of thiamethoxam, 1-5 parts of thifluzamide, 2-8 parts of dicyandiamide, 3-6 parts of thiophanate methyl preparation, 6-12 parts of sodium selenite, 1-5 parts of ammonium molybdate, 2-6 parts of guanyl thiourea, 3-8 parts of humic acid urea iron, 1-6 parts of biological protein, 1-5 parts of nitrification inhibitor, 2-6 parts of xanthan gum, 4-10 parts of sawdust, 6-15 parts of bovine bone meal, 15-22 parts of polyglutamic acid and 8-16 parts of pyrite.
2. The compound fertilizer for improving soil property and preventing diseases as claimed in claim 1, which comprises the following raw materials in parts by weight:
65-75 parts of urea, 24-26 parts of lignin, 22-26 parts of ammonium dihydrogen phosphate, 19-22 parts of monoammonium phosphate, 14-16 parts of livestock manure, 4-7 parts of borax, 2-5 parts of thiamethoxam, 2-4 parts of thifluzamide, 4-6 parts of dicyandiamide, 4-5 parts of thiophanate methyl preparation, 8-10 parts of sodium selenite, 2-4 parts of ammonium molybdate, 3-5 parts of guanyl thiourea, 4-7 parts of humic acid urea iron, 2-5 parts of biological protein, 2-4 parts of nitrification inhibitor, 3-5 parts of xanthan gum, 6-8 parts of sawdust, 9-12 parts of bovine bone meal, 18-20 parts of polyglutamic acid and 10-14 parts of pyrite.
3. The compound fertilizer for improving soil property and preventing diseases as claimed in claim 1, which comprises the following raw materials in parts by weight:
70 parts of urea, 25 parts of lignin, 24 parts of ammonium dihydrogen phosphate, 20 parts of monoammonium phosphate, 15 parts of livestock manure, 6 parts of borax, 4 parts of thiamethoxam, 3 parts of thifluzamide, 5 parts of dicyandiamide, 4.5 parts of thiophanate methyl preparation, 9 parts of sodium selenite, 3 parts of ammonium molybdate, 4 parts of guanyl thiourea, 6 parts of humic acid urea iron, 4 parts of biological protein, 3 parts of nitrification inhibitor, 4 parts of xanthan gum, 7 parts of sawdust, 10 parts of bovine bone meal, 19 parts of polyglutamic acid and 12 parts of pyrite.
4. A method for preparing a compound fertilizer for improving soil texture and preventing diseases according to any one of claims 1 to 3, characterized by comprising the steps of:
uniformly mixing livestock manure, lignin, bovine bone meal, sawdust and pyrite, adding microbial fermentation tubes, mixing, and fermenting to obtain a fermentation product;
and step two, drying the fermentation product obtained in the step one, and crushing, mixing, granulating, drying, screening and cooling the fermentation product with urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, humic acid urea iron, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid to obtain the compound fertilizer for improving soil quality and preventing diseases.
5. The method for preparing a compound fertilizer for improving soil texture and preventing diseases as claimed in claim 4, wherein the fermentation temperature in the first step is 60-70 ℃ and the fermentation time is 9-12 days.
6. A production apparatus for a compound fertilizer for improving soil texture and preventing diseases according to any one of claims 1 to 3, comprising:
a first drying device (1) for drying a fermentation product obtained by mixing and fermenting livestock manure, lignin, bovine bone meal, sawdust and pyrite,
a crushing device (2) for crushing the dried fermentation product, urea, ammonium dihydrogen phosphate, monoammonium phosphate, borax, thiamethoxam, thifluzamide, dicyandiamide, thiophanate methyl preparation, sodium selenite, ammonium molybdate, guanyl thiourea, urea iron humate, biological protein, nitrification inhibitor, xanthan gum and polyglutamic acid respectively;
a mixing device (3) for mixing the crushed material;
a granulating device (4) for granulating the mixed material;
a second drying device (5) for drying the particulate material;
a screening device (6) for screening the dried particulate material;
and cooling means (7) for cooling the screened particulate material;
the crushing device (2) comprises a first shell (21), a first crushing roller (201) is rotatably mounted inside the first shell (21), the first crushing roller (201) is driven by a first rotary driving device (214), a second crushing roller (202) is arranged on one side of the first crushing roller (201) in parallel, a sliding mechanism is arranged on the wall body of the first shell (21), the second crushing roller (202) is connected with the movable end of the sliding mechanism, a U-shaped frame (203) is arranged on one side, away from the first crushing roller (201), of the second crushing roller (202), the second crushing roller (202) is rotatably connected with the U-shaped frame (203), a threaded rod (205) is connected to the wall body of the first shell (21) in a threaded manner, a shaft sleeve (204) is mounted on the U-shaped frame (203), one end of the threaded rod (205) is rotatably connected with the shaft sleeve (204), and a handle (206) is arranged at the other end of the threaded rod (205), the utility model discloses a grinding device for the roller crusher, including first casing (21), the fixed surface of first casing (21) is connected with the protecting cover body (209), the inside of protecting cover body (209) be provided with the first carousel (211) of the rotation end fixed connection of first crushing roller (201) and with second carousel (210) of the rotation end fixed connection of second crushing roller (202), the side that first carousel (211) and second carousel (210) are relative is prolonged its circumferencial direction and is evenly provided with the straight-tooth respectively, be provided with pivot (212) between first carousel (211) and second carousel (210), pivot (212) are rotated through mounting bracket (213) and are installed on first casing (21), the even bar dogtooth that is provided with in the circumferential surface of pivot (212), the straight-tooth with the straight-tooth still can move along the direction of bar dogtooth when the bar dogtooth meshing is connected.
7. The apparatus for preparing a compound fertilizer for improving soil quality and preventing diseases according to claim 6, wherein the sliding mechanism comprises a sliding groove (207) formed in a wall body of the first housing (21), a sliding block (208) is slidably connected in the sliding groove (207), and the second crushing roller (202) is rotatably mounted on the sliding block (208).
8. The preparation equipment of the compound fertilizer for improving the soil quality and preventing diseases according to claim 6, wherein the mixing equipment (3) comprises a second shell (31), a second rotation driving device (301) is fixedly installed inside the second shell (31), the output end of the second rotation driving device (301) is fixedly connected with a cylindrical cover body (302), a fixed table (303) is arranged inside the cylindrical cover body (302), the fixed table (303) is fixedly connected with the second shell (31) through a supporting structure, the supporting structure penetrates through the lower side wall body of the cylindrical cover body (302), an inverted V-shaped groove (307) is formed in the side wall of the fixed table (303), an arc-shaped block (308) is arranged at the lower part of the V-shaped groove (307), the lower edge of the arc-shaped block (308) exceeds the lower edge of the fixed table (303), and a rotating shaft (309) is rotatably connected to the side wall of the cylindrical cover body (302) along the circumferential direction of the cylindrical cover body, one end of the rotating shaft (309) is fixedly connected with an arc-shaped plate (311) located inside the cylindrical cover body (302), two cylinders (312) are arranged on the arc-shaped plate (311), the cylinders (312) can move along the lower edge of the fixed table (303) and can enter the cylinders (312) into the V-shaped groove (307) to enable the arc-shaped plate (311) to rotate after one cylinder (312) touches the arc block (308), and the other end of the rotating shaft (309) is fixedly connected with a material stirring plate (310) located outside the cylindrical cover body (302).
9. The apparatus for preparing a compound fertilizer for improving soil texture and preventing diseases according to claim 8, wherein the supporting structure is fixedly connected with a fixing rod (305) and a fixing column (304), the fixing rod (305) is fixedly connected with the inner wall of the cylindrical cover body (302), and the cylindrical cover body (302) is rotatably connected with the fixing column (304).
10. The apparatus for preparing a compound fertilizer for improving soil texture and preventing diseases according to claim 8, wherein the lower portion of the cylindrical cover body (302) is provided with a stirring paddle (306).
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