CN108218568A - A kind of garlic special synergistic chelating fertilizer and preparation method thereof - Google Patents
A kind of garlic special synergistic chelating fertilizer and preparation method thereof Download PDFInfo
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- CN108218568A CN108218568A CN201810008639.2A CN201810008639A CN108218568A CN 108218568 A CN108218568 A CN 108218568A CN 201810008639 A CN201810008639 A CN 201810008639A CN 108218568 A CN108218568 A CN 108218568A
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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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- 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
-
- 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
Abstract
The invention discloses a kind of garlic special synergistic chelating fertilizers and preparation method thereof, which includes the component of following parts by weight：N content is 10 25%, and P2O5 contents are 5 15%, and K2O contents are 10 25%, and sulphur 0 10%, chelating agent 0 15%, middle trace element magnesium 0 20%, zinc 0 15%, iron 0 5%, molybdenum 0 1% and synergist 0 0.05%, the present invention has the following advantages：The present invention adds a variety of chelating agents, chelating capacity bigger, environmental protection, safety；The present invention is added to a variety of middle trace elements and synergist, nutrition are complete；Ureaformaldehyde is added in granulation process, the needs of sustained release nitrogen is combined with the quick-acting nitrogens that nitrogen raw material provides, meets garlic entire breeding time to nitrogen is provided, later stage garlic is avoided to take off fertilizer, improves plant recovery of nutrient, while promote fertilizer granulating, granule strength is improved, prevents later stage dusting, hardened.
Description
Technical field
The present invention relates to a kind of garlic special synergistic chelate fertilizers and preparation method thereof, belong to efficient technical field of fertilizer application.
Background technology
Garlic has the cultivation history of more than 2000 years in China, China be the major producing country of world garlic, country of consumption and
Exported country, at present China garlic producing region of certain scale have more than 70, major production base concentrates on Shandong, Jiangsu, river
The provinces and regions such as south, Jiangxi, Guangxi and Anhui account for more than the 80% of national total cultivated area.The Garlic yield of China is very high, long-term
Cultivated area is 20.0~26.7 ten thousand hectares, and yield is 4,000,000 tons, occupies first place in the world, accounts for about the 1/4 of Gross World Product.Garlic
Absorbed nitrogen, potassium are more in entire breeding time, and phosphorus is less.As breeding time elapses, uptake gradually expands, and nitrogen, potassium absorb high
Peak extends the phase on bulb expanding stage, the absorption peak of phosphorus in garlic stems.But with the continuous expansion of planting garlic area, Garlic Fertilization
Present in main problem have：First, blindly applying fertilizer, precipitation is uneven, excessively payes attention to nitrogen, phosphorus and potassium fertilizer and ignores trace element
Fertilizer, nutrient formula are unreasonable；Second is that base manure fertilizer efficiency time is too short, and the entire breeding cycle of garlic is up to 8 wheat harvesting periods, generally
A top dressing is carried out, but some areas are saving labour's not top dressing with spring, and most fertilizer efficiency phases can not expire at present
The nutrient demand in sufficient garlic entire period be easy to cause de- fertile phenomenon；Third, the trace element of most additions is free state, in fertilizer
It is passivated inactivation rapidly in material and soil, it is impossible to be absorbed by crops utilization, utilization rate reduces.
104045468 A of patent CN（201410322125.6）, disclose a kind of ureaformaldehyde functionality garlic special fertilizer and its
Preparation method, formula is mainly comprising poly-aspartate 5-15kg, ureaformaldehyde 40-60kg, urea 325-356kg, monoammonium phosphate
215-240kg, potassium chloride 290-305kg, sulphur 64-85kg, the product are rich in the nutrition such as nitrogen, phosphorus, potassium, sulphur necessary to garlic
Element is suitable for the needs of Garlic Growth development.But not yet add the trace element needed for Garlic Growth, it is impossible to overcome soil most
The limitation of small nutrient bottleneck, is unfavorable for the promotion of Garlic yield and quality.
102173930 A of patent CN（201110007546.6）, it is special to disclose a kind of Shandong garlic with slow release effect
With fertilizer and its application, raw material composition is nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, NAM additives, sulfur fertilizer, calcium magnesium phosphate, zinc sulfate, sulfuric acid are sub-
Iron and borax.The invention combination Shandong edaphic condition reduces the dosage of nitrogen phosphorus, increases the connection forever of potassium, to a certain extent
The input of base fertilizer nitrogen is reduced, it is exceeded using prevention and control rural groundwater nitrate.But the trace element of addition is ionic state,
It is preferably inactivated, can not be utilized by Garlic Absorption by fixed in fertilizer and soil.
Invention content
The main object of the present invention is to provide a kind of effective garlic special synergistic chelating fertilizer and preparation method thereof, formula
Ratio is reasonable, meets garlic regulation of fertilizer requirement, can effectively improve utilization rate of fertilizer, improves garlic and garlic stems yield.
The invention is realized by the following technical scheme：
A kind of garlic special synergistic chelate fertilizer, raw material include the component of following parts by weight：
N content is 10-25%, P2O5Content is 5-15%, K2O content is 10-25%, chelating agent 0-15%, sulphur 0-10%, magnesium 0-
20%th, zinc 0-15%, iron 0-5%, molybdenum 0-1%, synergist 0-0.05%.
Above-mentioned raw materials are commercial product, wherein：
N comes from the combination of one or more of urea, ammonium chloride, ammonium sulfate, monoammonium phosphate, Diammonium phosphate (DAP), preferably urea,
One or more of combinations of ammonium chloride and ammonium sulfate；
P2O5Come from one or more of monoammonium phosphate, Diammonium phosphate (DAP), general calcium, coarse whiting, ammonium polyphosphate or potassium dihydrogen phosphate
Combination, preferred monoammonium phosphate；
K2O comes from the combination of one or more of potassium sulfate, potassium chloride, potassium nitrate or potassium dihydrogen phosphate, preferably sulfuric acid potassium；
Chelating agent is EDTA, EDDHA, sodium citrate, polyglutamic acid, sorbierite, compound amino acid, poly-aspartic-acid, yellow rotten
The combination of one or more of acid, ammonium polyphosphate, preferably fulvic acid and ammonium polyphosphate；
For middle trace element selected from S, Mg, Zn, Fe, Mo, raw material is respectively magnesium sulfate monohydrate, monohydrate zinc sulphate, ferrous sulfate heptahydrate
And ammonium molybdate.
A kind of garlic special synergistic chelating fertilizer of the present invention and preparation method thereof, the component of preferred parts by weight of raw materials is as follows：
N content is 15%, P2O5Content is 10%, K2O content is 20%, sulphur 7%, chelating agent (fulvic acid and ammonium polyphosphate) 10%, magnesium
10%th, zinc 10%, iron 2%, molybdenum 0.05%, synergist (triacontanol) 0.01%.
A kind of preparation method of garlic special synergistic chelating fertilizer of the present invention is as follows including step：
Step 1, chelatropic reaction：Water dissolution is used, then adjusted with acid or alkali after adding in the chelating agent weighed in proportion in a kettle
The pH value of solution is 5-8；A concentration of 20% ~ 50% aqueous solution containing trace element is proportionally added into, is warming up to 40 DEG C ~ 70 DEG C,
It is the combination of magnesium, sulphur, zinc, iron, molybdenum in the trace element water-soluble liquid；The insulation reaction 0.5- under the r/min of 40 r/min ~ 100
1h obtains the chelating liquid containing chelated microelement.
Step 2 is granulated reaction：The raw materials such as nitrogenous fertilizer, phosphate fertilizer, potash fertilizer are weighed in proportion, are entered by the metering of static belt mixed
Material machine inputs comminutor after mixing by crushing section, while by step（1）The chelating liquid of preparation adds in after also weighing in proportion
Comminutor carries out ammoniation-granulation, production N content 10- under conditions of ammonia and sulfuric acid reaction provide reaction heat and liquid phase environment
25%, P2O5Content is 5-15%, K2O content is the composite fertilizer of 10-25%.
Step 3, urea and formaldehyde are according to 1 ~ 3：1 ratio reacts generation ureaformaldehyde in ureaformaldehyde reaction kettle, proportionally
Mixing 5 ~ 10 min of dispersion after the synergist of the corresponding number of addition, step is sprayed into according to the ratio of 10-40kg/t fertilizer（2）It is granulated
Machine, for the fertiliser granulates of generation by drying, cooling, screening, the fertiliser granulates of grain size qualification can be through meter after surface treatment
Packaging becomes finished product after amount, and the underproof fertiliser granulates of grain size or powder are again introduced into comminutor and are granulated again after crushing.
A kind of garlic special synergistic chelating fertilizer of the present invention, has the following advantages：
1st, using a variety of chelating agents, chelating capacity bigger, sequestering power is stronger, safe and environment-friendly, can drop completely in the soil
Solution, it is pollution-free to soil, crop, environment etc.；
2nd, nutrition is complete, is added to trace element in magnesium, sulphur, zinc, iron, manganese, copper, molybdenum etc., exists respectively with Chelating state and free state,
Meet quick-acting and long period demand of the crop to trace element；
3rd, synergist is added, promotes plant strain growth, enhances plant resistance, reduces disease, improves photosynthetic crop efficiency, promotes garlic
Head expands, and improves yield
4th, the present invention is added to ureaformaldehyde, and the available nitrogen that the slow nitrogen and nitrogen raw material contained provides is combined, and extends fertilizer
Material, the term of validity of middle nitrogen meet the needs of entire growthdevelopmental stage of garlic is to nitrogen, while can significantly improve fertilizer granulating
Rate, while granule strength is improved, reduce later stage fertiliser granulates caking pulverizing problem.
Specific embodiment
With reference to specific embodiment, the invention will be further elaborated, it should which explanation, following embodiments are only
In order to explain the present invention, its content is not defined.
Embodiment 1
A kind of garlic special synergistic chelate fertilizer includes the component of following parts by weight：15 parts of N, P2O510 parts, K220 parts of O,
0.01 part of synergist (triacontanol).
The preparation method of above-mentioned garlic special synergistic chelating fertilizer is as follows：
（1）It is granulated reaction：The raw materials such as 27.2 parts of urea, 22.7 parts of monoammonium phosphate, 40 parts of potassium sulfate are weighed, pass through static belt meter
It measures and enters batch mixer, comminutor is inputted by crushing section after mixing, reaction heat and liquid phase ring are provided in ammonia and sulfuric acid reaction
Ammoniation-granulation is carried out under conditions of border, produces N content 15%, P2O5Content is 10%, K2O content is 20% composite fertilizer.
（2）Urea and formaldehyde are according to 1 ~ 3：1 ratio reacts generation ureaformaldehyde in ureaformaldehyde reaction kettle, proportionally adds
5 ~ 10 min of mixing dispersion after the synergist of corresponding number spray into step according to the ratio of 20kg/t fertilizer（1）Comminutor, generation
Fertiliser granulates by drying, cooling, screening, the fertiliser granulates of grain size qualification can pack after metering after surface treatment
As finished product, and the underproof fertiliser granulates of grain size or powder are again introduced into comminutor and are granulated again after crushing.
Obtained product specification is 15-10-20s, containing synergist, without micro- in Chelating state.
Embodiment 2
A kind of garlic special synergistic chelate fertilizer includes the component of following parts by weight：15 parts of N, P2O510 parts, K220 parts of O,
10 parts of chelating agent (fulvic acid and ammonium polyphosphate), 10 parts of magnesium, 7 parts of sulphur, 10 parts of zinc, 2 parts of iron, 0.05 part of molybdenum.
（1）Chelatropic reaction：Water dissolution is used, then use after adding in 10 parts of chelating agent (fulvic acid and ammonium polyphosphate) in a kettle
The pH value that acid or alkali adjust solution is 5-8；A concentration of 20% ~ 50% aqueous solution containing middle trace element is proportionally added into, is heated up
It is the combination of magnesium, sulphur, zinc, iron, molybdenum to 40 DEG C ~ 70 DEG C, in the trace element water-soluble liquid；Under the r/min of 40 r/min ~ 100
Insulation reaction 0.5-1h obtains the chelating liquid containing chelated microelement.
（2）It is granulated reaction：The raw materials such as 27.2 parts of urea, 22.7 parts of monoammonium phosphate, 40 parts of potassium sulfate are weighed, pass through static skin
Band metering enters batch mixer, inputs comminutor by crushing section after mixing, while by step（1）The chelating liquid of preparation also press than
Example adds in comminutor after weighing, and ammoniation-granulation is carried out under conditions of ammonia and sulfuric acid reaction provide reaction heat and liquid phase environment,
Produce N content 15%, P2O5Content is 10%, K2O content is 20% composite fertilizer.
（3）Urea and formaldehyde are according to 1 ~ 3：1 ratio reacts generation ureaformaldehyde in ureaformaldehyde reaction kettle, according to 20kg/t fertilizer
The ratio of material sprays into step（2）Comminutor, the fertiliser granulates of generation are by drying, cooling, screening, the fertiliser granulates of grain size qualification
It can be packed after metering as finished product after surface treatment, and the underproof fertiliser granulates of grain size or powder are after crushing again
It is secondary to be granulated again into comminutor.
Obtained product specification is 15-10-20s, containing trace element in Chelating state, without synergist.
Embodiment 3
A kind of garlic special synergistic chelate fertilizer includes the component of following parts by weight：15 parts of N, P2O510 parts, K220 parts of O,
10 parts of chelating agent (fulvic acid and ammonium polyphosphate), 10 parts of magnesium, 7 parts of sulphur, 10 parts of zinc, 2 parts of iron, 0.05 part of molybdenum, synergist (melissane
Alcohol) 0.01 part.
The preparation method of above-mentioned garlic special synergistic chelating fertilizer is as follows：
（1）Chelatropic reaction：Add in a kettle after chelating agent 10 parts of (fulvic acid and ammonium polyphosphate) with water dissolution, then with sour or
The pH value that alkali adjusts solution is 5-8；A concentration of 20% ~ 50% aqueous solution containing middle trace element is proportionally added into, is warming up to 40
DEG C ~ 70 DEG C, be in the trace element water-soluble liquid magnesium, sulphur, zinc, iron, molybdenum combination；It is kept the temperature under the r/min of 40 r/min ~ 100
0.5-1h is reacted, obtains the chelating liquid containing chelated microelement.
（2）It is granulated reaction：The raw materials such as 27.2 parts of urea, 22.7 parts of monoammonium phosphate, 40 parts of potassium sulfate are weighed, pass through static skin
Band metering enters batch mixer, inputs comminutor by crushing section after mixing, while by step（1）The chelating liquid of preparation also press than
Example adds in comminutor after weighing, and ammoniation-granulation is carried out under conditions of ammonia and sulfuric acid reaction provide reaction heat and liquid phase environment,
Produce N content 15%, P2O5Content is 10%, K2O content is 20% composite fertilizer.
（3）Urea and formaldehyde are according to 1 ~ 3：1 ratio reacts generation ureaformaldehyde in ureaformaldehyde reaction kettle, proportionally adds
5 ~ 10 min of mixing dispersion after the synergist of corresponding number spray into step according to the ratio of 20kg/t fertilizer（2）Comminutor, generation
Fertiliser granulates by drying, cooling, screening, the fertiliser granulates of grain size qualification can pack after metering after surface treatment
As finished product, and the underproof fertiliser granulates of grain size or powder are again introduced into comminutor and are granulated again after crushing.
Obtained product specification is 15-10-20s, containing trace element, synergist in Chelating state.
Test example：
Using application effect of the garlic special synergistic chelating fertilizer of the present invention on planting garlic.Example 1-3 is prepared big
Garlic special synergistic chelate fertilizer is tested.
1st, test site：Linyi orchid Ling County Nanjing town Zou Zhuan
2nd, for trying soil Basic Nutrient Status：Organic matter 1.3%, alkali-hydrolyzable nitrogen 66.7mg/kg, rapid available phosphorus（P2O5）54.8mg/kg,
Available potassium（K2O）147.5mg/kg, soil pH value 7.1.
3rd, experimental cultivar：Cangshan white garlic
4th, experimental design：4 processing of experiment setting, respectively：
Handle A：Using the Common compound fertilizer of equal nutrient, 100kg per acre, wherein 70% makees base fertilizer, 30% does top dressing.
Handle B：Using garlic special synergistic chelating fertilizer prepared by the embodiment of the present invention 1,100kg, it is primary to make base fertilizer per acre
Property apply.
Handle C：Using garlic special synergistic chelating fertilizer prepared by the embodiment of the present invention 2,100kg, it is primary to make base fertilizer per acre
Property apply.
Handle D：Using garlic special synergistic chelating fertilizer prepared by the embodiment of the present invention 3,100kg, it is primary to make base fertilizer per acre
Property apply.
Often processing is repeated 3 times, random district's groups arrangement.Garlic was sowed on October 8th, 2016, and on May 4th, 2017 harvests garlic
A kind of sedge, May 30 harvest garlic.
5th, result of the test
Result of the test shows that the garlic stems of each fertilizer treatment is consistent with garlic change of production trend, is followed successively by processing D（Containing Chelating state
Middle trace element, synergist）＞ handles C（Containing trace element in Chelating state, without synergist）＞ handles B（Containing synergist, be free of
It is micro- in Chelating state）＞ handles A（Common compound fertilizer）.The garlic stems yield for handling D relatively handles A volume increase 11.07%, than handling B
Increase production 4.72% and 3.58% respectively with C, and the garlic stems yield for handling B and C is close.The garlic yield for handling D relatively handles A volume increase
10.51%, increase production 4.39% and 3.76% respectively than processing B and C, and the garlic yield for handling B and C is close, but handles C highers.It applies
The Garlic quality of the soil fertility quality prepared with embodiment increases, and compared with common fertilizer processing to handle D highests.Illustrate to add
Fertilizer nutrient utilization is remarkably improved after trace element and synergist in Chelating state, promotes the growth of garlic garlic stems and garlic,
Yield is improved, promotes quality, and individually adds micro- effect in Chelating state and individually adds synergist better than addition.
Therefore, garlic special fertilizer nutrient formula of the invention is with the 15-10-20s of embodiment 3（Containing member micro in Chelating state
Element, synergist）The most rationally.
Influence of 1 different fertilization of table to Garlic yield and quality
| Place Reason | Garlic stems yield (kg.hm2) | Garlic stems increases It produces (%) | Garlic yield (kg.hm2) | Garlic increases It produces (%) | w(Vc) (mg.kg-1) | W (soluble sugar) (mg.kg-1) | W (soluble proteins Matter) (%) |
| A | 6784.5 | - | 20746.8 | - | 1017 | 45.3 | 16.9 |
| B | 7196.2 | 6.07 | 21962.4 | 5.86 | 1196 | 51.7 | 18.1 |
| C | 7275.6 | 7.24 | 22097.3 | 6.51 | 1204 | 49.6 | 17.9 |
| D | 7535.8 | 11.07 | 22927.6 | 10.51 | 1298 | 58.2 | 19.7 |
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, it is possible to understand that
Can these embodiments be carried out with a variety of variations without departing from the principles and spirit of the present invention, modification, replace and become
Type, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of garlic special synergistic chelating fertilizer, which is characterized in that the fertilizer include basic fertilizer, chelating agent, it is middle it is micro- with
And synergist.
2. a kind of garlic special synergistic chelating fertilizer according to claim 1, it is characterised in that N content is 10- in the fertilizer
25%, P2O5 content are 5-15%, and K2O contents are 10-25%；
The nitrogenous fertilizer comes from the combination of one or more of urea, ammonium chloride, ammonium sulfate, monoammonium phosphate, Diammonium phosphate (DAP), excellent
Select one or more of combinations of urea, ammonium chloride and ammonium sulfate；
The phosphate fertilizer come from one kind in monoammonium phosphate, Diammonium phosphate (DAP), general calcium, coarse whiting, ammonium polyphosphate or potassium dihydrogen phosphate or
Several combinations, preferably monoammonium phosphate；
The potash fertilizer comes from the combination of one or more of potassium sulfate, potassium chloride, potassium nitrate or potassium dihydrogen phosphate, preferably sulphur
Sour potassium.
3. a kind of garlic special synergistic chelating fertilizer according to claim 1, which is characterized in that the chelating agent is in composite fertilizer
Middle content is 0-15%；
The chelating agent for EDTA, EDDHA, sodium citrate, polyglutamic acid, sorbierite, compound amino acid, poly-aspartic-acid,
The combination of one or more of fulvic acid, ammonium polyphosphate, preferably fulvic acid and ammonium polyphosphate.
4. a kind of garlic special synergistic chelating fertilizer according to claim 1, which is characterized in that the middle trace element is selected from
Magnesium 0-20%, sulphur 0-10%, zinc 0-15%, iron 0-5%, molybdenum 0-1%, raw material are respectively magnesium sulfate monohydrate, monohydrate zinc sulphate, seven water sulphur
Sour ferrous and ammonium molybdate.
5. a kind of garlic special synergistic chelating fertilizer according to claim 1, which is characterized in that the synergist is in composite fertilizer
Middle content is 0-0.05%；
Come from triacontanol, SOD analogies (SODM), gibberellin, multiple-effect frustrate, the group of one or more of brassin lactones
It closes, preferably triacontanol.
6. a kind of garlic special synergistic chelating fertilizer preparation method according to claim 1-4, as follows including step：
Step 1, chelatropic reaction：Water dissolution is used, then adjusted with acid or alkali after adding in the chelating agent weighed in proportion in a kettle
The pH value of solution is 5-8；A concentration of 20% ~ 50% aqueous solution containing trace element is proportionally added into, is warming up to 40 DEG C ~ 70 DEG C,
It is the combination of magnesium, zinc, iron, molybdenum in the trace element water-soluble liquid；The insulation reaction 0.5-1h under the r/min of 40 r/min ~ 100,
Obtain the chelating liquid containing chelated microelement；
Step 2 is granulated reaction：The raw materials such as nitrogenous fertilizer, phosphate fertilizer, potash fertilizer are weighed in proportion, and batch mixer is entered by the metering of static belt,
Comminutor is inputted by crushing section after mixing, while by step（1）The chelating liquid of preparation is added in after also weighing in proportion and is granulated
Machine carries out ammoniation-granulation under conditions of ammonia and sulfuric acid reaction provide reaction heat and liquid phase environment, produces N content 10-25%,
P2O5 contents are 5-15%, and K2O contents are the composite fertilizer of 10-25%；
Step 3, urea and formaldehyde are according to 1 ~ 3：1 ratio reacts generation ureaformaldehyde in ureaformaldehyde reaction kettle, proportionally adds
5 ~ 10 min of mixing dispersion after the synergist of corresponding number spray into step according to the ratio of 10-40kg/t fertilizer（2）Comminutor,
For the fertiliser granulates of generation by drying, cooling, screening, the fertiliser granulates of grain size qualification can be after metering after surface treatment
Packaging becomes finished product, and the underproof fertiliser granulates of grain size or powder are again introduced into comminutor and are granulated again after crushing.
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| CN109265228A (en) * | 2018-12-07 | 2019-01-25 | 中国-阿拉伯化肥有限公司 | A kind of long-acting compound fertilizer and preparation method thereof |
| CN109400376A (en) * | 2018-12-07 | 2019-03-01 | 中国-阿拉伯化肥有限公司 | A kind of compound fertilizer and preparation method thereof suitable for supporting shrimp rice field |
| CN109928837A (en) * | 2019-04-29 | 2019-06-25 | 丰县嘉诺农业科技发展有限公司 | A kind of flushing and spreading fertilizer for resisting the early ageing of garlic middle and later periods |
| CN110483217A (en) * | 2019-09-29 | 2019-11-22 | 江苏国睿黄腐酸技术有限公司 | Liquid slow-release nitrogenous fertilizer and its preparation process |
| CN112552104A (en) * | 2020-12-04 | 2021-03-26 | 温州科技职业学院 | Environment-friendly water-soluble fertilizer for vegetables and preparation method thereof |
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Application publication date: 20180629 |