CN103936521B - A kind of composite fertilizer and preparation method thereof - Google Patents
A kind of composite fertilizer and preparation method thereof Download PDFInfo
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- CN103936521B CN103936521B CN201410185669.2A CN201410185669A CN103936521B CN 103936521 B CN103936521 B CN 103936521B CN 201410185669 A CN201410185669 A CN 201410185669A CN 103936521 B CN103936521 B CN 103936521B
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Abstract
The invention discloses a kind of new and effective composite fertilizer and preparation method thereof, nitrogen-phosphorus-potassium compound fertilizer and compound masterbatch are formed according to certainweight ratio is composite, described compound masterbatch is made up of following raw material: biological potentiating agent 2 ~ 5 parts, 20 ~ 30 parts, zinc sulfate, 20 ~ 30 parts, magnesium sulfate, humic acids 15 ~ 25 parts, sulfuric acid boron 10 ~ 20 parts, manganous sulfate 5 ~ 15 parts, ammonium molybdate 1 ~ 4 part, described biological potentiating agent component and parts by weight are: poly aspartic acid 65 ~ 85 parts and polyglutamic acid 15 ~ 35 parts, mix and stir, radiation 10 ~ 30min obtains, the present invention take nitrogen-phosphorus-potassium compound fertilizer as major ingredient, add poly aspartic acid and polyglutamic acid mixture, add containing zinc, magnesium, boron, manganese, molybdenum element compound and humic acids, improve utilization rate of fertilizer, not only economized on resources but environmental protection friendly, preparation method of the present invention adopts the techniques such as mixing, stirring, and simple to operate, environmental protection, is beneficial to large-scale production.
Description
Technical field
The invention belongs to chemical fertilizer technical field, particularly relate to and refer to a kind of new and effective composite fertilizer and preparation method thereof.
Background technology
Along with the development of science and technology, the progress of society, people need not only to be satisfied with can apply this feature to materials, but more pay attention to its high efficiency and environment friendly.High-quality, the highly efficient and productive target being agriculture production and constantly pursuing, Traditional agriculture technology, chemical farming technology and the raising of biotechnology to agricultural productive force serve different promoter actions.China is a large agricultural country, Ye Shiyige Term Fertilization big country, and using in a large number of fertilizer, the negative impact brought causes the extensive concern of people gradually.
In the market all can not whole utilization absorbed by crops after any one incorporation of fertilizerin the soil, wherein a part is due to leaching loss, volatilization or become the not available form of crop by soil fixing, affects utilization rate of fertilizer.Utilization rate of nitrogen fertilizer 25% ~ 40% in general fertilizers, phosphate fertilizer only has 20%, and potash fertilizer can reach more than 30%.The fertilizer of waste flows into rivers or infiltrate through underground water, or to evaporate in air not only contaminate environment but also waste resource.In addition in fertilising idea, the heavy chemical fertilizer of peasant, light fertilizer; Diazonium phosphate fertilizer, light potash fertilizer; Great secondary element is fertile, and light trace element fertilizer, causes the imbalance of soil nutrient elements like this, thus causes farm crop low to the nutrition absorption rate in soil, and output reduces.
Summary of the invention
The object of the invention is to: overcome above-mentioned defect of the prior art, a kind of new and effective composite fertilizer and preparation method thereof is provided, to improve the utilization ratio of effective fertilizer composition, balanced farm crop N P and K proportioning components, reduce to decompose and run off, supplement the trace element needed for it, make soil obtain efficient, polynary nutrition, realize the friendly to environment simultaneously.
The present invention is achieved through the following technical solutions: a kind of new and effective composite fertilizer, nitrogen-phosphorus-potassium compound fertilizer and compound masterbatch are formed according to certainweight ratio is composite, described compound masterbatch is made up of the raw material of following parts by weight: biological potentiating agent 2 ~ 5 parts, 20 ~ 30 parts, zinc sulfate, 20 ~ 30 parts, magnesium sulfate, humic acids 15 ~ 25 parts, sulfuric acid boron 10 ~ 20 parts, manganous sulfate 5 ~ 15 parts, ammonium molybdate 1 ~ 4 part, and described biological potentiating agent component and weight ratio are: poly aspartic acid 65 ~ 85 parts and polyglutamic acid 15 ~ 35 parts.
Further, described composite fertilizer is made up of (weight percent meter) following composition: nitrogen-phosphorus-potassium compound fertilizer 85% ~ 90%, compound masterbatch 10% ~ 15%.
Further, each component of described compound masterbatch and parts by weight are: biological potentiating agent 3 parts, 25 parts, zinc sulfate, 25 parts, magnesium sulfate, humic acids 20 parts, sulfuric acid boron 15 parts, manganous sulfate 10 parts, ammonium molybdate 2 parts.
Further, each component of described compound masterbatch and parts by weight are: biological potentiating agent 2 parts, 22 parts, zinc sulfate, 24 parts, magnesium sulfate, humic acids 18 parts, sulfuric acid boron 13 parts, manganous sulfate 7 parts, ammonium molybdate 1 part.
Further, in described nitrogen-phosphorus-potassium compound fertilizer, nitrogenous fertilizer is at least one in urea, ammonium chloride.
Further, in described nitrogen-phosphorus-potassium compound fertilizer, phosphate fertilizer is at least one in monoammonium phosphate, diammonium phosphate.
Further, in described nitrogen-phosphorus-potassium compound fertilizer, potash fertilizer is at least one in Repone K, potassium sulfate.
Further, described biological potentiating agent component and parts by weight are: poly aspartic acid 75 parts and polyglutamic acid 25 parts.
Further, described poly aspartic acid molecular weight is 5000 ~ 10000, and described polyglutamic acid molecular weight is 10000 ~ 2000000.
A preparation method for new and effective composite fertilizer, comprises the following steps:
1) poly aspartic acid 65 ~ 85 parts and polyglutamic acid 15 ~ 35 parts are mixed and stir;
2) product that step 1) obtains is biological potentiating agent by r x radiation x 10 ~ 30min;
3) by step 2) biological potentiating agent 2 ~ 5 parts that obtains and 20 ~ 30 parts, zinc sulfate, 20 ~ 30 parts, magnesium sulfate, humic acids 15 ~ 25 parts, sulfuric acid boron 10 ~ 20 parts, manganous sulfate 5 ~ 15 parts, ammonium molybdate 1 ~ 4 part, preferred biological potentiating agent 3 parts and 25 parts, zinc sulfate, 25 parts, magnesium sulfate, humic acids 20 parts, sulfuric acid boron 15 parts, manganous sulfate 10 parts, ammonium molybdate 2 parts or biological potentiating agent 2 parts and 22 parts, zinc sulfate, 24 parts, magnesium sulfate, humic acids 18 parts, sulfuric acid boron 13 parts, manganous sulfate 7 parts, ammonium molybdate 1 part mix compound masterbatch;
4) compound masterbatch step 3) obtained is according to 10% ~ 15%(weight percent meter) join nitrogen-phosphorus-potassium compound fertilizer and be conveyed into in rotary drum granulator, granulation, gained composite fertilizer particle diameter is 1 ~ 6mm;
5) composite fertilizer that step 4) obtains is mixed and adds water vapor granulation;
6) be sent in rotating drum dryer by the composite fertilizer that step 5) obtains, described roller drying actuator temperature is 200 ~ 320 DEG C, is dried to moisture content≤10%;
7) composite fertilizer that step 6) obtains is sent in cooling cylinder and cools;
8) composite fertilizer that step 7) obtains is sent to oil spout cylinder, sprays anti-hard caking agent;
9) composite fertilizer that step 8) obtains is weighed, packed, to obtain final product.
Effect of increasing production of the present invention is proven by following application experiment:
Application Example one: in Zhou Li town, Anyue, Dayi County, Chengdu, contrast one, contrast two, product of the present invention each point of three components be other in same piece of land, corn of the same area, after sowing simultaneously, apply fertilizer, watering, use contrast effect on corn is as following table, and (wherein trace compound is zinc sulfate, magnesium sulfate, humic acids, sulfuric acid boron, manganous sulfate, ammonium molybdate; Biological potentiating agent is poly aspartic acid and polyglutamic acid),
| Process | Average dose (kg/ mu) | Mean yield (kg/ mu) |
| Contrast one (nitrogen-phosphorus-potassium compound fertilizer) | 40 | 512 |
| Contrast two (nitrogen-phosphorus-potassium compound fertilizer+trace compounds) | 40 | 547 |
| Invention product (nitrogen-phosphorus-potassium compound fertilizer+biological potentiating agent+trace compound) | 40 | 609 |
Result shows, and use the contrast one of identical amount, contrast two and product of the present invention, product of the present invention is 18.94% relative to the average stimulation ratio of contrast one, and product of the present invention is 11.33% relative to the average stimulation ratio of contrast two.Analyze known: the trace element zinc in product composition of the present invention, magnesium, iron, boron, manganese, molybdenum etc. effectively can solve soil and use the soil compaction that causes of N,P,K fertilizers or acidity, alkalescence rotten, lack organic, lack mineral substance, the contradiction of trace element, makes corn yield increase, and quality improves, wherein, manganese element can promote the growth of plant seed germination and seedling, and zinc element promotes the activity of plant materials endoenzyme, increases plant to the absorption of mineral substance; In present component, biological potentiating agent is the mixture of poly aspartic acid and polyglutamic acid, adding of biological potentiating agent, effectively enrichment N P and K and trace element can supply corn crop, ensure that corn crop effectively utilizes Chemical Mixed Fertilizer.Use that maize leaf color after Efficient compound fertilizer is dark green, blade is roomy, stem is thick, root is many simultaneously, not easily lodge.
Application Example two: in Yongxing town, Shuangliu County, Chengdu, contrast one, contrast two, invention product one, invention product two each points of three components are other in same piece of land, lotus rhizome of the same area, sow simultaneously, apply fertilizer, the use contrast effect of lotus rhizome is as following table, and (wherein trace compound is zinc sulfate, magnesium sulfate, humic acids, sulfuric acid boron, manganous sulfate, ammonium molybdate; Biological potentiating agent is poly aspartic acid and polyglutamic acid),
| Process | Average dose (kg/ mu) | Mean yield (kg/ mu) |
| Contrast one (nitrogen-phosphorus-potassium compound fertilizer) | 200 | 1259 |
| Contrast two (nitrogen-phosphorus-potassium compound fertilizer+trace compounds) | 200 | 1367 |
| Invention product one (nitrogen-phosphorus-potassium compound fertilizer+biological potentiating agent+trace compound) | 200 | 1531 |
| Invention product two (nitrogen-phosphorus-potassium compound fertilizer+biological potentiating agent+trace compound) | 180 | 1498 |
Result shows, and when average equal fertilizer amount, invention product one is 21.6% relative to the average stimulation ratio of contrast one, and is 11.99% relative to the average stimulation ratio of contrast two; Invention product two average amount of fertilizer applied of component same with invention product one reduces by 10%, and equally for lotus rhizome plantation of the same area, be 18.98% relative to the average stimulation ratio of contrast one, also be 9.58% relative to the average stimulation ratio of contrast two, analyze known: adding of Trace Elements, especially the adding of biological potentiating agent poly aspartic acid and polyglutamic acid mixture, greatly improve the output of lotus rhizome, and lotus rhizome quality is better, head is large, full.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention adopts nitrogen-phosphorus-potassium compound fertilizer to be major ingredient, by adding biological potentiating agent, described synergistic agent be in certainweight ratio mixing poly aspartic acid and polyglutamic acid, take full advantage of strong absorptive and the nutrient preserving capability of biological potentiating agent, improve the utilization ratio of new and effective composite fertilizer, reduce loss or the discharge of conventional NPK fertilizers, not only saved resource but also protected environment;
(2) in compound fertilizer formula of the present invention by adding zinc sulfate, magnesium sulfate, humic acids, sulfuric acid boron, manganous sulfate, ammonium molybdate, adding of its medium trace element, solving soil uses the soil compaction that causes of N,P,K fertilizers or acidity, alkalescence rotten, lack organic, lack mineral substance, the contradiction of trace element, crop yield is increased, quality improves, wherein zinc element promotes the activity of plant materials endoenzyme, increase plant to the absorption of mineral substance, manganese element can promote the growth of plant seed germination and seedling;
(3) preparation method of the new and effective composite fertilizer of the present invention, mainly adopt the production technique such as mixing, stirring, drying, cooling, simple to operate, environmental protection, three-waste free pollution, is conducive to large-scale production.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto, without departing from the idea case in the present invention described above, according to ordinary skill knowledge and customary means, make various replacement and change, all should comprise within the scope of the invention.
Embodiment 1:
According to the soil testing and fertilizer recommendation demand of Zhou Li town, Anyue County of Sichuan Province maize planting, according to weight parts, poly aspartic acid 65 parts and polyglutamic acid 35 parts is mixed and stir, and be biological potentiating agent by r x radiation x 10min, also the biological potentiating agent 2 parts mixed and 20 parts, zinc sulfate is got according to weight parts, 20 parts, magnesium sulfate, humic acids 15 parts, sulfuric acid boron 10 parts, manganous sulfate 5 parts, ammonium molybdate 1 part, mix compound masterbatch, the compound masterbatch mixed is joined nitrogen-phosphorus-potassium compound fertilizer according to the part by weight of 15% again, and be sent in rotary drum granulator, granulation, gained composite fertilizer particle diameter is 1mm, mix and add water vapor granulation, composite fertilizer after water vapor granulation is sent in rotating drum dryer, described roller drying actuator temperature is 200 DEG C, composite fertilizer is dried to moisture content 10%, and be sent in cooling cylinder and cool, cooled composite fertilizer is sent in oil spout cylinder, spray anti-hard caking agent, weigh, pack, obtain.
Embodiment 2:
According to the soil testing and fertilizer recommendation demand of Zhou Li town, Anyue County of Sichuan Province maize planting, according to weight parts, poly aspartic acid 85 parts and polyglutamic acid 15 parts is mixed and stir, and be biological potentiating agent by r x radiation x 30min, also the biological potentiating agent 5 parts mixed and 30 parts, zinc sulfate is got according to weight parts, 30 parts, magnesium sulfate, humic acids 25 parts, sulfuric acid boron 20 parts, manganous sulfate 15 parts, ammonium molybdate 4 parts, mix compound masterbatch, the compound masterbatch mixed is joined nitrogen-phosphorus-potassium compound fertilizer according to the part by weight of 10% again, and be sent in rotary drum granulator, granulation, gained composite fertilizer particle diameter is 3mm, mix and add water vapor granulation, composite fertilizer after water vapor granulation is sent in rotating drum dryer, described roller drying actuator temperature is 260 DEG C, composite fertilizer is dried to moisture content 5%, and be sent in cooling cylinder and cool, cooled composite fertilizer is sent in oil spout cylinder, spray anti-hard caking agent, weigh, pack, obtain.
Embodiment 3:
According to the soil testing and fertilizer recommendation demand of Zhou Li town, Anyue County of Sichuan Province maize planting, according to weight parts, poly aspartic acid 75 parts and polyglutamic acid 25 parts is mixed and stir, and be biological potentiating agent by r x radiation x 25min, also the biological potentiating agent 3 parts mixed and 25 parts, zinc sulfate is got according to weight parts, 25 parts, magnesium sulfate, humic acids 20 parts, sulfuric acid boron 15 parts, manganous sulfate 10 parts, ammonium molybdate 2 parts, mix compound masterbatch, the compound masterbatch mixed is joined nitrogen-phosphorus-potassium compound fertilizer according to the part by weight of 12% again, and be sent in rotary drum granulator, granulation, gained composite fertilizer particle diameter is 6mm, mix and add water vapor granulation, composite fertilizer after water vapor granulation is sent in rotating drum dryer, described roller drying actuator temperature is 320 DEG C, composite fertilizer is dried to moisture content 1%, and be sent in cooling cylinder and cool, cooled composite fertilizer is sent in oil spout cylinder, spray anti-hard caking agent, weigh, pack, obtain.
Embodiment 4:
According to the soil testing and fertilizer recommendation demand of Yongxing town, Shuangliu County, Chengdu, Sichuan Province Lotus planting, according to weight parts, poly aspartic acid 65 parts and polyglutamic acid 35 parts is mixed and stir, and be biological potentiating agent by r beta radiation 10min, also the biological potentiating agent 2 parts mixed is got according to weight parts, 20 parts, zinc sulfate, 20 parts, magnesium sulfate, humic acids 15 parts, sulfuric acid boron 10 parts, manganous sulfate 5 parts, ammonium molybdate 1 part, mix compound masterbatch, the compound masterbatch mixed is joined nitrogen-phosphorus-potassium compound fertilizer according to the part by weight of 15% again, and be sent in rotary drum granulator, granulation, gained composite fertilizer particle diameter is 1mm, mix and add water vapor granulation, composite fertilizer after water vapor granulation is sent in rotating drum dryer, described roller drying actuator temperature is 200 DEG C, composite fertilizer is dried to moisture content 10%, and be sent in cooling cylinder and cool, cooled composite fertilizer is sent in oil spout cylinder, spray anti-hard caking agent, weigh, pack, obtain.
Embodiment 5:
According to the soil testing and fertilizer recommendation demand of Yongxing town, Shuangliu County, Chengdu, Sichuan Province Lotus planting, according to weight parts, poly aspartic acid 85 parts and polyglutamic acid 15 parts is mixed and stir, and be biological potentiating agent by r beta radiation 30min, also the biological potentiating agent 5 parts mixed and 30 parts, zinc sulfate is got according to weight parts, 30 parts, magnesium sulfate, humic acids 25 parts, sulfuric acid boron 20 parts, manganous sulfate 15 parts, ammonium molybdate 4 parts, mix compound masterbatch, the compound masterbatch mixed is joined nitrogen-phosphorus-potassium compound fertilizer according to the part by weight of 10% again, and be sent in rotary drum granulator, granulation, gained composite fertilizer particle diameter is 3mm, mix and add water vapor granulation, composite fertilizer after water vapor granulation is sent in rotating drum dryer, described roller drying actuator temperature is 260 DEG C, composite fertilizer is dried to moisture content 5%, and be sent in cooling cylinder and cool, cooled composite fertilizer is sent in oil spout cylinder, spray anti-hard caking agent, weigh, pack, obtain.
Embodiment 6:
According to the soil testing and fertilizer recommendation demand of Yongxing town, Shuangliu County, Chengdu, Sichuan Province Lotus planting, according to weight parts, poly aspartic acid 75 parts and polyglutamic acid 25 parts is mixed and stir, and be biological potentiating agent by r beta radiation 25min, also the biological potentiating agent 2 parts mixed and 22 parts, zinc sulfate is got according to weight parts, 24 parts, magnesium sulfate, humic acids 18 parts, sulfuric acid boron 13 parts, manganous sulfate 7 parts, ammonium molybdate 1 part mixes compound masterbatch, the compound masterbatch mixed is joined nitrogen-phosphorus-potassium compound fertilizer according to the part by weight of 12% again, and be sent in rotary drum granulator, granulation, gained composite fertilizer particle diameter is 6mm, mix and add water vapor granulation, composite fertilizer after water vapor granulation is sent in rotating drum dryer, described roller drying actuator temperature is 320 DEG C, composite fertilizer is dried to moisture content 1%, and be sent in cooling cylinder and cool, cooled composite fertilizer is sent in oil spout cylinder, spray anti-hard caking agent, weigh, pack, obtain.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (9)
1. a composite fertilizer, it is characterized in that: by weight percentage, be made up of 85% ~ 90% nitrogen-phosphorus-potassium compound fertilizer and 10% ~ 15% compound masterbatch, described compound masterbatch is made up of the raw material of following parts by weight: biological potentiating agent 2 ~ 5 parts, 20 ~ 30 parts, zinc sulfate, 20 ~ 30 parts, magnesium sulfate, humic acids 15 ~ 25 parts, sulfuric acid boron 10 ~ 20 parts, manganous sulfate 5 ~ 15 parts, ammonium molybdate 1 ~ 4 part, and described biological potentiating agent component and parts by weight are: poly aspartic acid 65 ~ 85 parts and polyglutamic acid 15 ~ 35 parts.
2. a kind of composite fertilizer according to claim 1, is characterized in that: each component of described compound masterbatch and parts by weight are: biological potentiating agent 3 parts, 25 parts, zinc sulfate, 25 parts, magnesium sulfate, humic acids 20 parts, sulfuric acid boron 15 parts, manganous sulfate 10 parts, ammonium molybdate 2 parts.
3. a kind of composite fertilizer according to claim 1, is characterized in that: each component of described compound masterbatch and parts by weight are: biological potentiating agent 2 parts, 22 parts, zinc sulfate, 24 parts, magnesium sulfate, humic acids 18 parts, sulfuric acid boron 13 parts, manganous sulfate 7 parts, ammonium molybdate 1 part.
4. a kind of composite fertilizer according to claim 1, is characterized in that: in described nitrogen-phosphorus-potassium compound fertilizer, nitrogenous fertilizer is at least one in urea, ammonium chloride.
5. a kind of composite fertilizer according to claim 1, is characterized in that: in described nitrogen-phosphorus-potassium compound fertilizer, phosphate fertilizer is at least one in monoammonium phosphate, diammonium phosphate.
6. a kind of composite fertilizer according to claim 1, is characterized in that: in described nitrogen-phosphorus-potassium compound fertilizer, potash fertilizer is at least one in Repone K, potassium sulfate.
7. a kind of composite fertilizer according to claim 1, is characterized in that: described biological potentiating agent component and parts by weight are: poly aspartic acid 75 parts and polyglutamic acid 25 parts.
8. a kind of composite fertilizer according to claim 7, is characterized in that: described poly aspartic acid molecular weight is 5000 ~ 10000, and described polyglutamic acid molecular weight is 10000 ~ 2000000.
9. a preparation method for composite fertilizer, is characterized in that: comprise the following steps,
1) poly aspartic acid and polyglutamic acid are mixed according to ratio described in claim 1 to 8 any one and stir;
2) biological potentiating agent is by r x radiation x 10 ~ 30min;
3) biological potentiating agent and zinc sulfate, magnesium sulfate, humic acids, sulfuric acid boron, manganous sulfate, ammonium molybdate are mixed compound masterbatch according to ratio described in claim 1 to 8 any one;
4) compound masterbatch is sent in rotary drum granulator according to ratio described in claim 1 and nitrogen-phosphorus-potassium compound fertilizer, granulation, gained composite fertilizer particle diameter 1 ~ 6mm;
5) composite fertilizer that step 4) obtains is mixed and adds water vapor granulation;
6) be sent in rotating drum dryer by the composite fertilizer that step 5) obtains, described roller drying actuator temperature is 200 DEG C ~ 320 DEG C, is dried to moisture content≤10%;
7) composite fertilizer that step 6) obtains is sent in cooling cylinder and cools;
8) composite fertilizer that step 7) obtains is sent to oil spout cylinder, sprays anti-hard caking agent;
9) composite fertilizer that step 8) obtains is weighed, packed, to obtain final product.
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| CN105669300A (en) * | 2016-01-08 | 2016-06-15 | 昆山博尔日生物科技有限公司 | Gamma-quantum original energy recovery compound |
| CN107827680A (en) * | 2017-12-21 | 2018-03-23 | 赵宇 | A kind of zinc-base activated water-soluble compound trace element fertilizer and preparation method thereof |
| CN108218566A (en) * | 2017-12-29 | 2018-06-29 | 广东拉多美化肥有限公司 | A kind of preparation method of rotary drum humic acid Si composite fertilizer and humic acid Si composite fertilizer |
| CN114736079B (en) * | 2022-04-18 | 2023-07-14 | 北京化工大学秦皇岛环渤海生物产业研究院 | Special fertilizer containing polyglutamic acid for sweet potato and preparation method of special fertilizer |
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