CN112125758A - Traditional Chinese medicine fertilizer and processing method thereof - Google Patents
Traditional Chinese medicine fertilizer and processing method thereof Download PDFInfo
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- CN112125758A CN112125758A CN202011069249.XA CN202011069249A CN112125758A CN 112125758 A CN112125758 A CN 112125758A CN 202011069249 A CN202011069249 A CN 202011069249A CN 112125758 A CN112125758 A CN 112125758A
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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
- C05G3/80—Soil conditioners
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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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Abstract
The invention relates to the technical field of fertilizers, and discloses a traditional Chinese medicine fertilizer and a processing method thereof. By researching the fertilizer requirement characteristics of the Chinese angelica, the codonopsis pilosula, the astragalus membranaceus, the pinellia ternate and the radix isatidis and utilizing the soil testing formula fertilization principle and method, the purpose of efficiently fertilizing the Chinese medicinal materials in the land of the Gansu province is achieved, the utilization rate of the fertilizer is improved, the soil fertility is improved, the Chinese medicinal materials are guaranteed to supply nutrients necessary for plant production and development, the soil properties are improved, the circulation and balance of soil nutrients are adjusted, and the yield and the quality of the medicinal materials are improved. Compared with a comparative test, the product produced by the method starts from the fertilizer requirement rule of the traditional Chinese medicinal materials under the condition of adopting the same raw materials and proportion, researches the influence of nutrient elements on the yield and the main medicinal components, adopts a soil testing and fertilizing technology, combines a humic acid high tower process, and is matched with medium and trace elements required by the growth of the traditional Chinese medicinal materials; the fertilizer can effectively improve the utilization rate of nitrogen, phosphorus and potassium, reduce the application amount of the fertilizer, increase the yield of the traditional Chinese medicinal materials, improve the quality of the traditional Chinese medicinal materials and reduce agricultural non-point source pollution, and the product meets the national policy of fertilizer application reduction and efficiency improvement.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to a traditional Chinese medicine fertilizer and a processing method thereof.
Background
The fertilizer is an important agricultural production data, and accounts for about half of the total input of production materials in the planting industry. However, the fertilizer application is unbalanced for a long time, and the phenomena of partial application and excessive application of nitrogen fertilizer are serious, so that the immediate utilization rate is gradually reduced, and the resource waste is serious. Not only causes nitrate accumulation of agricultural products and influences the quality of the agricultural products, but also pollutes underground water and destroys the agricultural ecological environment. Meanwhile, the utilization rate of chemical fertilizers in China is low, the utilization rate of nitrogen is only about 30%, and the utilization rate of phosphate fertilizers is 10-20% which is 20% lower than that of developed countries. The loss caused by unreasonable application and poor fertilizer quality is up to 500 billion yuan each year. The difference between chemical fertilizer products and international products in China needs to be improved by means of technical products with high utilization rate, and meanwhile, the problem that farmers in China are unbalanced in nutrients due to low fertilization technology and application of simple-substance fertilizers is solved. The humic acid-containing high tower melt compound fertilizer developed by Standby chemical fertilizer and Descizine Limited can achieve the effects of prolonging the fertilizer efficiency and balancing the nutrients due to the humic acid and medium and trace elements.
The Gansu province is positioned at the intersection of the loess plateau, the Mongolian plateau and the Qinghai-Tibet plateau, the water and soil loss phenomenon is obvious, the improvement of soil fertility is seriously influenced, the natural condition is severe, the foundation is backward, the restriction factors for developing agriculture are more, certain advantages are realized, and the potential for developing characteristic agriculture is great. Among them, the Chinese herbal medicine in the province of Gansu has developed into the pillar product of Gansu, and the industry formed thereby is also the pillar industry. The planting area of the traditional Chinese medicine in Gansu province is stabilized to be more than 320 ten thousand mu, in 2017, the area of the traditional Chinese medicine in Gansu province reaches 488.0 ten thousand mu, the yield is 110 ten thousand tons, and the area and the yield are all the first in the whole country, wherein the Min county, Weiyuan, Longxi, Wehe and Minle are respectively named as 'Dang Zhi Xiang', 'Dang Shen Xiang', 'Huang Qi Xiang', 'ban Xia Xiang' and 'ban lan Gen'. However, due to the relatively underdeveloped economy and technology of Chinese herbal medicine planting areas in Gansu province, the fertilization of farmers is still unreasonable seriously, and the imbalance of N, P, K nutrient application and the difficulty in topdressing in the middle and later periods of the medicinal materials cause the increase of the investment of the farmers and simultaneously cause the waste of nutrient resources and the instability of the quality and the yield of the medicinal materials. According to the project group, the special fertilizer for the Chinese angelica, the codonopsis pilosula, the astragalus mongholicus, the pinellia ternate and the radix isatidis containing humic acid is developed according to the ecological environment and soil fertilizer supply characteristics of main production areas of the Chinese angelica, the codonopsis pilosula, the astragalus mongholicus, the pinellia ternate and the radix isatidis and by developing fertilizer requirement rules of the Chinese angelica, the codonopsis pilosula, the astragalus mongholicus, the pinellia ternate and the radix isatidis and combining the technical characteristics of a humic acid containing high-tower melt compound fertilizer product, the requirements of comprehensive nutrient supply, reduction of fertilizer usage amount and the like in the production process of Chinese medicinal materials can be effectively met, and.
In addition, the applicant found through search that stanli chemical fertilizer limited discloses a semi-formed soil testing formula fertilizer production system, patent No. 201420362393.6, application date-2014.07.02; the device comprises a granulation tower, a monoammonium phosphate lifting machine on the lower part of the tower bottom, a potassium chloride lifting machine, other material lifting machines, an additive lifting machine, a urea lifting machine, a newly-added potash fertilizer lifting machine, a urea mixing lifting machine for urea and newly-added potash fertilizer, potassium chloride, a first-stage mixing lifting machine for other materials and additives, a second-stage mixing lifting machine for monoammonium phosphate, a mixing heater, a urea liquid melting tank, a urea liquid pump, a mixing tank, a high-speed mixer, first-stage drum cooling and second-stage drum cooling, and the device further comprises a differential rotary granulator positioned inside the granulation tower and a scraping collector arranged on a scraping layer at the bottom of the granulation tower. The soil testing formula fertilizer produced by the invention has the advantages of uniform particle size and nutrients, low water content, easy adjustment of formula, high nutrient content and the like. But the system has higher material adhesion and caking rate and waste discharge rate during production.
Disclosure of Invention
The invention provides a traditional Chinese medicine fertilizer for prolonging fertilizer efficiency and balancing nutrients and a processing method thereof, which solve the defects of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a traditional Chinese medicine fertilizer comprises the following components in parts by weight: 28-33 parts of urea, 45-50 parts of monoammonium phosphate, 15-20 parts of potassium chloride, 1-4 parts of additives, 0.75 part of humic acid, 0.25 part of zinc sulfate monohydrate, 0.6 part of boric acid and 0.4 part of polyglutamic acid.
Further, the paint comprises the following components: 30 parts of urea, 48 parts of monoammonium phosphate, 16 parts of potassium chloride, 4 parts of additive, 0.75 part of humic acid, 0.25 part of zinc sulfate monohydrate, 0.6 part of boric acid and 0.4 part of polyglutamic acid.
Further, the additive is dolomite powder and trace elements, and the trace elements are iron, manganese, boron, zinc, copper, molybdenum, aluminum and nickel.
A processing method of a traditional Chinese medicine fertilizer is characterized by comprising the following steps:
A. after the urea is accurately measured by a raw material belt scale, conveying the urea to a melting tank by conveying equipment, heating to 120-130 ℃, so that the material is in a melting state, keeping the temperature stable, and preventing the content of the biuret from exceeding the standard;
B. mixing an additive, potassium chloride and the like through potassium fertilizer mixing equipment, conveying the mixture to a primary mixing tank through conveying equipment after accurate metering, and then stirring and mixing the mixture and the material in a molten state in the step A in the primary mixing tank to prepare mixed slurry, wherein the temperature of the primary mixing tank is controlled to be 110-125 ℃, and the uniformity, the viscosity and the temperature of the slurry are ensured to meet production requirements;
C. b, mixing monoammonium phosphate, humic acid, zinc sulfate monohydrate, boric acid and polyglutamic acid by using stirring equipment, conveying the mixture to a secondary mixing tank by using conveying equipment after accurate metering, and mixing the mixture with the mixture prepared in the step B again to prepare final mixed slurry;
D. and C, mixing the mixed slurry prepared in the step C through a high-speed mixer, spraying the mixed slurry through a granulator, carrying out heat exchange on the material sprayed by the granulator and cold air rising from the bottom of the tower in the falling process of the top of the tower, naturally cooling the material to form particles, forming finished product particles through cooling, screening and coating processes, and finally packaging the finished product particles to form a finished product.
Further, the temperature of the mixed slurry in the step C is controlled to be 105-120 ℃ in the mixing process.
Further, the temperature of the urea in the molten state in the step C is reduced within a range of 10-20 ℃.
And further, mixing the additive and the potassium chloride in the step C, and heating to a temperature of 10-20 ℃.
And further, in the step C, materials such as monoammonium phosphate, humic acid, zinc sulfate monohydrate, boric acid, polyglutamic acid and the like pass through a vibrating screen, and the aperture of a screen mesh is 4.0 x 4.0 mm.
And further, screening the semi-finished product formed by granulation at the top of the tower in the step D, wherein the aperture of the screen is 2.0-4.0 mm.
Further, the additive is dolomite powder and trace elements, and the dolomite powder and the trace elements are added in equal amount; the microelements are iron, manganese, boron, zinc, copper, molybdenum, aluminum and nickel, and the microelements are added in equal amount.
According to the production layout of the northwest traditional Chinese medicine industry, the Chinese angelica, the codonopsis pilosula, the astragalus membranaceus, the pinellia ternate and the radix isatidis are taken as main research objects, the purpose of efficiently fertilizing the traditional Chinese medicine in the northwest China is achieved by researching the fertilizer requirement characteristics of the Chinese angelica, the codonopsis pilosula, the astragalus membranaceus, the pinellia ternate and the radix isatidis and utilizing the soil testing formula fertilization principle and method, particularly in Gansu areas, the utilization rate of the fertilizer is improved, meanwhile, the soil property is improved, the circulation and balance of soil nutrients are adjusted, the soil fertility is improved, and the yield and the quality. The high-quality high-efficiency fertilizer is provided for the Chinese medicinal materials in the provincial land of Gansu province, the yield of the Chinese medicinal materials is increased, the quality of the Chinese medicinal materials is improved, the fertilizer application amount is reduced, the income of Chinese medicinal material growers is increased, the economic development of rural areas is promoted, and the downstream environmental pressure is reduced.
The special fertilizer for Chinese medicinal materials, which mainly comprises angelica sinensis, codonopsis pilosula, astragalus membranaceus, pinellia ternate and radix isatidis, is beneficial to promoting the development of compound fertilizer industrialization, improving the yield and economic benefit, solving the problem of unreasonable fertilization of farmers, reducing the investment and environmental pollution of the farmers and improving the income of the farmers. Accelerating the optimization and the upgrade of the compound fertilizer industry in Gansu province, and driving the adjustment of the industrial structure and the improvement of the economic growth quality.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention.
Detailed Description
A traditional Chinese medicine fertilizer comprises the following components in parts by weight: 28-33 parts of urea, 45-50 parts of monoammonium phosphate, 15-20 parts of potassium chloride, 1-4 parts of additives, 0.75 part of humic acid, 0.25 part of zinc sulfate monohydrate, 0.6 part of boric acid and 0.4 part of polyglutamic acid.
Further, the paint comprises the following components: 30 parts of urea, 48 parts of monoammonium phosphate, 16 parts of potassium chloride, 4 parts of additive, 0.75 part of humic acid, 0.25 part of zinc sulfate monohydrate, 0.6 part of boric acid and 0.4 part of polyglutamic acid.
Further, the additive is dolomite powder and trace elements, and the trace elements are iron, manganese, boron, zinc, copper, molybdenum, aluminum and nickel.
A processing method of a traditional Chinese medicine fertilizer is characterized by comprising the following steps:
A. after the urea is accurately measured by a raw material belt scale, conveying the urea to a melting tank by conveying equipment, heating to 120-130 ℃, so that the material is in a melting state, keeping the temperature stable, and preventing the content of the biuret from exceeding the standard;
B. mixing an additive, potassium chloride and the like through potassium fertilizer mixing equipment, conveying the mixture to a primary mixing tank through conveying equipment after accurate metering, and then stirring and mixing the mixture and the material in a molten state in the step A in the primary mixing tank to prepare mixed slurry, wherein the temperature of the primary mixing tank is controlled to be 110-125 ℃, and the uniformity, the viscosity and the temperature of the slurry are ensured to meet production requirements;
C. b, mixing monoammonium phosphate, humic acid, zinc sulfate monohydrate, boric acid and polyglutamic acid by using stirring equipment, conveying the mixture to a secondary mixing tank by using conveying equipment after accurate metering, and mixing the mixture with the mixture prepared in the step B again to prepare final mixed slurry;
D. and C, mixing the mixed slurry prepared in the step C through a high-speed mixer, spraying the mixed slurry through a granulator, carrying out heat exchange on the material sprayed by the granulator and cold air rising from the bottom of the tower in the falling process of the top of the tower, naturally cooling the material to form particles, forming finished product particles through cooling, screening and coating processes, and finally packaging the finished product particles to form a finished product.
Further, the temperature of the mixed slurry in the step C is controlled to be 105-120 ℃ in the mixing process. And C, in the step C, the temperature of the mixed urea in the molten state is reduced within the range of 10-20 ℃. Further, the temperature rise range of the mixture of the additive and the potassium chloride in the step C is 10-20 ℃. The step A, B, C forms a temperature gradient, the temperature gradient is convenient for the materials to be mixed evenly, the temperature gradient change in the material mixing is easier to enable a plurality of materials to be polymerized into clusters, the temperature rising and temperature reducing intervals are controlled reasonably during mixing, the temperature change is prevented from being too fast, and the caking rate and the waste discharging rate are effectively reduced.
And further, in the step C, materials such as monoammonium phosphate, humic acid, zinc sulfate monohydrate, boric acid, polyglutamic acid and the like pass through a vibrating screen, and the aperture of a screen mesh is 4.0 x 4.0 mm.
And further, screening the semi-finished product formed by granulation at the top of the tower in the step D, wherein the aperture of the screen is 2.0-4.0 mm.
The additive is dolomite powder and trace elements, and the dolomite powder and the trace elements are added in equal amount; the microelements are iron, manganese, boron, zinc, copper, molybdenum, aluminum and nickel, and the microelements are added in equal amount.
Comparative experiment 1
Test example 1: the formula of the invention comprises the following components in parts by weight: 30 parts of urea, 48 parts of monoammonium phosphate, 16 parts of potassium chloride, 4 parts of additives (2 parts of dolomite powder and 2 parts of trace elements, and equal amounts of iron, manganese, boron, zinc, copper, molybdenum, aluminum and nickel of the trace elements are added), 0.75 part of humic acid, 0.25 part of zinc sulfate monohydrate, 0.6 part of boric acid and 0.4 part of polyglutamic acid.
Test example 2: the adhesive comprises the following components in parts by weight: 30 parts of urea, 48 parts of monoammonium phosphate and 16 parts of potassium chloride.
Test example 3: the adhesive comprises the following components in parts by weight: 30 parts of urea, 48 parts of monoammonium phosphate, 16 parts of potassium chloride and 4 parts of additive.
Test example 4: the adhesive comprises the following components in parts by weight: 30 parts of urea, 48 parts of monoammonium phosphate, 16 parts of potassium chloride, 4 parts of additive and 0.75 part of humic acid.
Test example 5: the adhesive comprises the following components in parts by weight: 30 parts of urea, 48 parts of monoammonium phosphate, 16 parts of potassium chloride, 4 parts of additive, 0.75 part of humic acid and 0.25 part of zinc sulfate monohydrate.
Test example 6: the adhesive comprises the following components in parts by weight: 30 parts of urea, 48 parts of monoammonium phosphate, 16 parts of potassium chloride, 4 parts of additive, 0.75 part of humic acid, 0.25 part of zinc sulfate monohydrate and 0.6 part of boric acid.
During the test: the test was carried out using the same plots, the same amount of fertilizer applied, and the same variety of herbs, and only the formulation was changed in test examples 1 to 6. Pinellia ternate, isatis root, angelica and codonopsis pilosula are respectively tested, growth dynamics is observed and tested, the test is carried out in western Hezhou county of Gansu province in 2020, and the test design is shown in Table 1.
Wherein: 1. test example 2 diseases and pests appeared during the growth period of pinellia ternata, isatis root, angelica and codonopsis pilosula. 2. The yield per mu of the test example 1 is highest, and the yields of the test examples 3-6 are sequentially increased. The tests prove that the traditional Chinese medicine feed formula disclosed by the invention effectively improves the yield, and colleagues have the effect of increasing the yield of medicinal materials such as angelica sinensis, codonopsis pilosula, pinellia ternate and radix isatidis. In addition, in the test examples 2-6, one of the components is reduced one by one, and the yield is gradually reduced, particularly, the disease and insect damage phenomenon is caused in the test example 2, so that the yield is seriously reduced. Compared with a comparative test, the invention adopts the same raw materials and proportion, starts with the fertilizer requirement rule of the traditional Chinese medicinal materials, researches the influence of nutrient elements on yield and main medicinal components, combines a humic acid high tower process, and is matched with medium and trace elements required by the growth of the traditional Chinese medicinal materials, thereby effectively improving the utilization rate of nitrogen, phosphorus and potassium, reducing the application amount of the fertilizer, increasing the yield of the traditional Chinese medicinal materials, improving the quality of the traditional Chinese medicinal materials, and reducing the agricultural non-point source pollution.
Comparative experiment 2:
a contrast test adopts a patent number-201420362393.6, and discloses a semi-finished soil testing formula fertilizer production system, during production, raw materials of monoammonium phosphate, potassium chloride and a filler are respectively lifted by a monoammonium phosphate lifter, a potassium chloride lifter and an additive lifter, then enter a first-stage mixing lifter and a second-stage mixing lifter to be mixed, are fully mixed, are heated to 60-95 ℃ by a mixing heater, are lifted by a urea lifter to a urea liquid melting tank to heat raw material urea to 130-145 ℃, are jointly conveyed to a mixing tank by a urea liquid pump to be rapidly stirred and mixed to prepare a viscous material, are controlled to be 115-120 ℃, automatically overflow to a differential rotary granulator, form uniform small spherical droplets in a granulation tower, and are finally cooled into small compound fertilizers by a first-stage cooling rotary drum, a second-stage cooling rotary drum and a scraper.
According to the invention, urea A and urea are accurately metered by a raw material belt scale, and then are conveyed to a melting tank by conveying equipment, and are heated to 120-130 ℃, so that the materials are in a melting state, the temperature is kept stable, and the content of biuret is prevented from exceeding the standard;
B. mixing an additive, potassium chloride and the like through potassium fertilizer mixing equipment, conveying the mixture to a primary mixing tank through conveying equipment after accurate metering, and then stirring and mixing the mixture and the material in a molten state in the step A in the primary mixing tank to prepare mixed slurry, wherein the temperature of the primary mixing tank is controlled to be 110-125 ℃, and the uniformity, the viscosity and the temperature of the slurry are ensured to meet production requirements;
C. b, mixing monoammonium phosphate, humic acid, zinc sulfate monohydrate, boric acid and polyglutamic acid by using stirring equipment, conveying the mixture to a secondary mixing tank by using conveying equipment after accurate metering, and mixing the mixture with the mixture prepared in the step B again to prepare final mixed slurry;
D. and C, mixing the mixed slurry prepared in the step C through a high-speed mixer, spraying the mixed slurry through a granulator, carrying out heat exchange on the material sprayed by the granulator and cold air rising from the bottom of the tower in the falling process of the top of the tower, naturally cooling the material to form particles, forming finished product particles through cooling, screening and coating processes, and finally packaging the finished product particles to form a finished product.
Compared with a comparative test, the viscous material produced by the invention has finer texture, the caking rate of the material is reduced by more than 10 percent, the material advances more smoothly when being granulated by a granulating tower, the quality of the product is improved, the local adhesion is reduced, and the workload of dredging and scraping and cleaning by operators is reduced.
Claims (10)
1. The traditional Chinese medicine fertilizer is characterized by comprising the following components in parts by weight: 28-33 parts of urea, 45-50 parts of monoammonium phosphate, 15-20 parts of potassium chloride, 1-4 parts of additives, 0.75 part of humic acid, 0.25 part of zinc sulfate monohydrate, 0.6 part of boric acid and 0.4 part of polyglutamic acid.
2. The traditional Chinese medicine fertilizer as claimed in claim 1, which is characterized by comprising the following components: 30 parts of urea, 48 parts of monoammonium phosphate, 16 parts of potassium chloride, 4 parts of additive, 0.75 part of humic acid, 0.25 part of zinc sulfate monohydrate, 0.6 part of boric acid and 0.4 part of polyglutamic acid.
3. The traditional Chinese medicine fertilizer as claimed in claim 1, wherein the additive is dolomite powder and trace elements, and the trace elements are iron, manganese, boron, zinc, copper, molybdenum, aluminum and nickel.
4. The processing method of the traditional Chinese medicine fertilizer as claimed in claim 1 or 2, characterized by comprising the following steps:
A. after the urea is accurately measured by a raw material belt scale, conveying the urea to a melting tank by conveying equipment, heating to 120-130 ℃, so that the material is in a melting state, keeping the temperature stable, and preventing the content of the biuret from exceeding the standard;
B. mixing an additive, potassium chloride and the like through potassium fertilizer mixing equipment, conveying the mixture to a primary mixing tank through conveying equipment after accurate metering, and then stirring and mixing the mixture and the material in a molten state in the step A in the primary mixing tank to prepare mixed slurry, wherein the temperature of the primary mixing tank is controlled to be 110-125 ℃, and the uniformity, the viscosity and the temperature of the slurry are ensured to meet production requirements;
C. b, mixing monoammonium phosphate, humic acid, zinc sulfate monohydrate, boric acid and polyglutamic acid by using stirring equipment, conveying the mixture to a secondary mixing tank by using conveying equipment after accurate metering, and mixing the mixture with the mixture prepared in the step B again to prepare final mixed slurry;
D. and C, mixing the mixed slurry prepared in the step C through a high-speed mixer, spraying the mixed slurry through a granulator, carrying out heat exchange on the material sprayed by the granulator and cold air rising from the bottom of the tower in the falling process of the top of the tower, naturally cooling the material to form particles, forming finished product particles through cooling, screening and coating processes, and finally packaging the finished product particles to form a finished product.
5. The processing method of the traditional Chinese medicine fertilizer as claimed in claim 4, wherein the temperature of the mixed slurry in the step C is controlled to be 105-120 ℃.
6. The processing method of the traditional Chinese medicine fertilizer as claimed in claim 5, wherein the temperature of the urea in the molten state in the step C is reduced within a range of 10-20 ℃.
7. The processing method of the traditional Chinese medicine fertilizer as claimed in claim 5, wherein the temperature of the mixture of the additive and the potassium chloride in the step C is increased within a range of 10-20 ℃.
8. The method for processing a fertilizer prepared from Chinese medicinal materials according to claim 4, wherein in the step C, the materials such as monoammonium phosphate, humic acid, zinc sulfate monohydrate, boric acid, polyglutamic acid, etc. are sieved by a vibrating sieve, and the mesh size of the sieve is 4.0 x 4.0 mm.
9. The processing method of the traditional Chinese medicine fertilizer as claimed in claim 4, wherein the semi-finished product formed by granulation at the top of the tower is sieved in the step D, and the aperture of the sieve is 2.0-4.0 mm.
10. The traditional Chinese medicine fertilizer as claimed in claim 3, wherein the additive is dolomite powder and trace elements, and the dolomite powder and the trace elements are added in equal amount; the microelements are iron, manganese, boron, zinc, copper, molybdenum, aluminum and nickel, and the microelements are added in equal amount.
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| CN107641045A (en) * | 2016-07-20 | 2018-01-30 | 南京轩凯生物科技有限公司 | A kind of composite synergist and its application containing polyglutamic acid and potassium fulvate |
| CN107473897A (en) * | 2017-09-20 | 2017-12-15 | 安徽瑞虎肥业有限公司 | A kind of Radix Isatidis compound fertilizer and preparation method thereof |
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