CN107417355A - A kind of functional slow-release fertilizer and its production method - Google Patents
A kind of functional slow-release fertilizer and its production method Download PDFInfo
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- CN107417355A CN107417355A CN201710382000.6A CN201710382000A CN107417355A CN 107417355 A CN107417355 A CN 107417355A CN 201710382000 A CN201710382000 A CN 201710382000A CN 107417355 A CN107417355 A CN 107417355A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- 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
-
- 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
- C05G5/36—Layered or coated, e.g. dust-preventing coatings layered or coated with sulfur
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of functional slow-release fertilizer and its production method, slow release fertilizer includes heart core urea, middle coated layer and outsourcing tegillum；The raw material components of middle coated layer include MAP or Diammonium phosphate (DAP), potassium chloride, and one kind in humic acid, and organic silicon fertilizer, ammonium sulfate, ferrous sulfate, the raw material components of outsourcing tegillum include silico-calcium potassium soil conditioner and magnesium sulfate.The production method of functional slow-release fertilizer is：A certain amount of urea is added into comminutor; sulfuric acid is sprayed into when rolling; then it is sprinkled into the mixture of other outer raw material components of middle coated layer sulfuric acid; continue to roll and spray into right amount sulfuric acid; alternately spray into sulfuric acid again and be sprinkled into the mixture of other outer raw material components of outsourcing tegillum sulfuric acid, form the nutrients ratio and grain diameter for meeting various Special Fertilizers for Various Crops requirements.The present invention can improve chemical fertilizer utilization ratio, reduce the wasting of resources, pollution abatement, improved soil, and technique is simple, cost is low, and middle coated layer and outsourcing tegillum are degradable.
Description
Technical field
The present invention relates to technical field of fertilizers, and in particular to a kind of functional slow-release fertilizer and its production method.
Background technology
Fertilizer is one of most important means of production in agricultural production, is the weight of Agriculture Production and national food security
Ensure.Fertilizer effect on China's majority crop at present, still using nitrogenous fertilizer as highest.The data of FAO (Food and Agriculture Organization of the United Nation) shows,
Fertilizer is 45-50 % to the contribution rate for improving China's grain production capacity, and amount of application ranks first in the world, but chemical fertilizer utilization ratio
But decline year by year, according to measuring and calculating, China's nitrogenous fertilizer this season utilization rate is relatively low, about 30-35 %, and the chemical fertilizer far below developed country utilizes
Rate, most of chemical fertilizer enter water body and air by approach such as volatilization, leaching, runoffs.Chemical fertilizer active ingredient is lost in, and causes every year
Loss convert into RMB and be up to more than 1,000 hundred million yuan, the yield annual equivalent to more than 1000 fertilizer enterprises in the whole nation pours ground into vain
In.The problem of chemical fertilizer loss has been one quite serious, not only causes direct economic loss, wastes the money of a large amount of preciousnesses
Source, limit the further development of agricultural, add the production cost of agricultural, and more seriously cause Agricultural Three-dimensional dirt
Dye, serious adverse consequences is brought to our living environment.For a long time, the poor efficiency of common chemical fertilizer and thus band
The environmental pollution come, it is always the big problem for perplexing agricultural production.Plus the blindly irrational use of a large amount of chemical fertilizer for a long time,
Cause soil nutrient serious unbalance, structure by destroy, fertility declines, farmland quality seriously degenerates.Therefore, fertilizer utilization is improved
Rate is not only significant with improving agriculture production benefit to reducing agriculture production cost, and prevents ecological environment from wrecking
Important means.Utilization rate of fertilizer is improved, in addition to it must accomplish the rational application of fertilizer, Optimum scheme, improves fertilizer formulation, it is excellent
Chemical fertilizer material formula and the slow-release controlled-release effect for improving fertilizer nutrient are also a very important means.
Slow release fertilizer is also known as slow-release fertilizer or release and release control fertilizer, and the compound containing nutrient discharges speed in soil in its fertilizer
Degree is slowly or nutrient releasing speed can obtain a certain degree of control so that crop constant absorption utilizes.Use slow release fertilizer
Loss of the fertilizer nutrient particularly nitrogen in soil can be reduced, and can reduces fertilising operation number, saves labour and expense,
It but also can avoid that the injury caused by excessive fertilization to seed or seedling occurs.
At present, slow-release nitrogen fertilizer is typically divided into two classes：First, the organic long-acting nitrogenous fertilizer of synthesis, mainly includes urea-formaldehyde and contracts
Compound, urea acetaldehyde condensation thing and a small number of phthalein aminated compounds；Second, coated urea, one or more layers is wrapped in particle surface
Other coating substances of semi permeability or slightly solubility and manufactured fertilizer, frequently with coated fertilizer have sulphur, resin, polyethylene,
Paraffin, pitch, grease, ground phosphate rock, calcium magnesium phosphate etc., but the complex manufacturing of these products, production cost is high, therefore fails
It is widely applied.And the release time of existing coated slow release fertilizer generally existing nitrogen is short, fertilizer slow release effect not
Enough good and coated slow release formulation biological degradation rate than it is relatively low the defects of.
To improve chemical fertilizer utilization ratio, reducing the wasting of resources, mitigation environmental pollution and improved soil, it is highly desirable to develop
A kind of functional slow-release fertilizer.
The content of the invention
It is an object of the invention to provide a kind of functional slow-release fertilizer and its production method, can improve chemical fertilizer utilization ratio, subtract
Few wasting of resources, mitigate environmental pollution, energy improved soil, and present invention process is simple, production cost is low, and coated layer can drop
Solution.
The present invention uses following technical proposals：
A kind of functional slow-release fertilizer, include the coated layer of heart core and cladding heart core, the heart core is small particle urea, the bag
Tegillum includes middle coated layer and outsourcing tegillum；The raw material components of middle coated layer include 17.07-38.53 % MAP
Or Diammonium phosphate (DAP), 10.41-17.00 % potassium chloride, 19.00-21.87 % humic acid, and 1.99-2.00 %'s is organic
Siliceous fertilizer, 7.799-7.801 % ammonium sulfate, 0.019-0.021 % ferrous sulfate in one kind, the raw material components of outsourcing tegillum
The magnesium sulfate of silico-calcium potassium soil conditioner and 0.40-0.52 % including 7.97-11.46 %, small particle urea account for slow release fertilizer
The 13.54-29.88 % of gross weight, the concentration contained in coated layer raw material components are that the total amount of 1.5-2 wt% sulfuric acid accounts for gross weight
The 1.99-3.65 % of amount；The percentage of above-mentioned each raw material components is the percentage that each raw material components account for slow release fertilizer gross weight.
Further, when coated layer includes middle coated layer with outsourcing tegillum, the particle diameter of the heart core is 0.5-3 mm,
The thickness of middle coated layer is 0.4-3 mm, and the thickness of outsourcing tegillum is 0.1-2 mm.
Further, the silico-calcium potassium soil conditioner include the silicate such as potassium silicate, calcium silicates, magnesium silicate and they
Mixture etc..
Further, the humic acid is weathered coal humic acid.
The production method of functional slow-release fertilizer, comprises the following steps：
（1）The mixing of other outer raw material components of middle coated layer sulfuric acid：By other each originals outside sulfuric acid in middle coated layer
The percentage that material component accounts for gross weight weighs each raw material components, and each raw material components are added into batch mixer, is thoroughly mixed
It is even, obtain the mixture of other outer raw material components of middle coated layer sulfuric acid；
（2）The mixing of other outer raw material components of outsourcing tegillum sulfuric acid：By other each raw material groups outside sulfuric acid in outsourcing tegillum
Divide the percentage for accounting for gross weight to weigh each raw material components, and each raw material components are added into batch mixer, be thoroughly mixed uniformly, obtain
The mixture of other raw material components outside to outsourcing tegillum sulfuric acid；
（3）The percentage that gross weight is accounted for by small particle urea weighs small particle urea, and the small particle urea claimed is added and made
In grain machine, the sulfuric acid that concentration is engaged with such scheme is sprayed into when rolling, the surface of small particle urea is sufficiently humidified so as to, then spreads
Enter the mixture of other outer raw material components of middle coated layer sulfuric acid, continue to roll, the appropriate concentration that sprays into matches with such scheme
The sulfuric acid of conjunction, then alternately spray into the sulfuric acid that is engaged with such scheme of concentration and be sprinkled into outsourcing tegillum sulfuric acid other raw material groups outside
The mixture divided, continues to roll, until particle diameter reaches 1-8 mm, takes out, is not dried granulated fertilizer, in the process
The percentage that the total amount of sulfuric acid accounts for gross weight is engaged with such scheme；
（4）Granulated fertilizer will not be dried to air-dry 45 minutes or so, then sieved, take particle diameter 1.00-4.75 mm granular fertilizer
Material is packed, finished product.
The present invention compared with prior art, has the following advantages that：
The present invention produces the special fertilizer of crop according to the regulation of fertilizer requirement of Different Crop and the soil fertility of different regions
Material, according to synergistic effect of the humic acid to nitrogen, phosphorus, potassium, by the structure optimization to compound fertilizer granules, be fabricated to humic acid with
After the middle coated layer wrap urea of phosphorus, potassium and available nitrogen etc., then the outsourcing tegillum with high intensity calcium silicon potassium soil conditioner etc.
With reference to form novel particle fertilizer.And during compounded granular fertilizer is prepared, by adding a certain amount of sulfuric acid to adjust
The thickness and the degree of packing of coated layer, and then to adjust the acquisition time of fertilizer nutrient.Silico-calcium potassium soil in outsourcing tegillum of the present invention
Conditioner exists in the form of silicate, inherently a kind of feature sustained-controll-release fertiliser of silico-calcium potassium soil conditioner, contained battalion
It is not soluble in water to support element, is Chinese holly solvent, can be according to the control release that needs of crop, and also silico-calcium potassium soil conditioner is still
A kind of good soil conditioner, can activate chesson, can effectively improve soil cation exchange capacity, can promote soil group
Burl is configured to, and is promoted nutrient balance, can be coordinated the water, fertilizer, air and heat of soil, the unique effect having plus silicon, contribute to
The activity of edaphon, effectively improves soil fertility, promotes growing for crop, improves crop yield and agricultural product product
Matter, increasing both production and income.After granulated fertilizer in the present invention is manured into soil, because complexing sustained release of the humic acid to urea and urase press down
System and Nitrification Inhibition, and the physical blocking effect of silicate shell, phosphate, organic silicon fertilizer etc., so as to make fertilizer
Nutrient in material slowly discharges, and extends fertilizer releasing period, reaches the effect for preventing fertilizer loss and improving utilization rate of fertilizer, and then
Reach the purpose of sustained release and release and release control fertilizer nutrient, so as to reduce the wasting of resources and environmental pollution can be mitigated.Present invention process letter
List, production cost are low, and coated layer is degradable.
Embodiment
In order that the object of the invention, technical scheme and advantage are clearer, the present invention is made with reference to specific embodiment
It is further to describe in detail.
Embodiment 1
The mixing of other outer raw material components of middle coated layer sulfuric acid：Weigh 21 kg MAPs, 17 kg potassium chloride, 19 kg
Weathered coal humic acid, 2 kg organic silicon fertilizers etc. adds batch mixer, is thoroughly mixed uniformly standby.
The mixing of other outer raw material components of outsourcing tegillum sulfuric acid：Weigh 10 kg silico-calcium potassium soil conditioners, 0.5 kg sulphur
Sour magnesium etc. adds batch mixer, is thoroughly mixed uniformly standby.
27.5 kg small particle ureas are added in comminutor, the sulfuric acid that concentration is 2 wt% is sprayed into when rolling, it is fully wet
Moisten the surface of urea granules, be then sprinkled into the mixture of other outer raw material components of middle coated layer sulfuric acid, continue to roll, in right amount
The sulfuric acid that concentration is 2 wt% is sprayed into, then replaces the sulfuric acid and be sprinkled into other outer originals of outsourcing tegillum sulfuric acid for spraying into that concentration is 2 wt%
Expect the mixture of component, continue to roll, until grain diameter reaches 1-8 mm, take out, air-dry 45 minutes or so, then sieved
Point, take particle diameter 1.00-4.75 mm granulated fertilizer to be packed, finished product, in the process, concentration are 2 wt% sulfuric acid
Total dosage be 3 kg.The nutrient content of finished product（N, P, K, organic matter）For 15：10：10：15.
To examine the using effect of the product, carried out on the 〇 farms modern agriculture demonstration zone rice of Heilungkiang eight or five
Field test, result of the test show that the product increases production 4.55% compared with the conventional fertilizer application of equivalent, and easy to use, resistance
By force, disease and insect resistance, effect especially resistant to lodging clearly, also show fertilizer efficiency length, and the later stage does not take off the advantages that fertile.
Embodiment 2
The mixing of other outer raw material components of middle coated layer sulfuric acid：Weigh 28 kg MAPs, 10 kg potassium chloride, 20 kg
Weathered coal humic acid, 2 kg organic silicon fertilizers etc. adds batch mixer, is thoroughly mixed uniformly standby.
The mixing of other outer raw material components of outsourcing tegillum sulfuric acid：Weigh 8 kg silico-calcium potassium soil conditioners, 0.4 kg sulphur
Sour magnesium etc. adds batch mixer, is thoroughly mixed uniformly standby.
30 kg small particle ureas are added in comminutor, the sulfuric acid that concentration is 1.5 wt% is sprayed into when rolling, it is fully wet
Moisten the surface of urea granules, be then sprinkled into the mixture of other outer raw material components of middle coated layer sulfuric acid, continue to roll, in right amount
Spray into the sulfuric acid that concentration is 1.5 wt%, then alternately spray into sulfuric acid that concentration is 1.5 wt% and be sprinkled into outsourcing tegillum sulfuric acid it is outer its
The mixture of his raw material components, continue to roll, until grain diameter reaches 1-8 mm, take out, air-dry 45 minutes or so, Ran Houjin
Row screening, takes particle diameter 1.00-4.75 mm granulated fertilizer to be packed, finished product, in the process, concentration are 1.5 wt%
Total dosage of sulfuric acid be 2 kg.The nutrient content of finished product（N, P, K, organic matter）For 18：13：5：15.
It is huge in the farm of Xihua County five or two in Henan, Huojia County Shi Zhuan townshiies west respectively to examine the using effect of the product
Field test is carried out in village, Fugou County Bai Tan towns Zhai Gang village school wheats, result of the test shows, the conventional fertilizer application of the product and equivalent
Compared to volume increase 10% or so, and it is flourishing using the wheat root of the product, and tillering capacity is high, robust plant, strong stress resistance, resists
Pest and disease damage and effect resistant to lodging are obvious.
Embodiment 3
The mixing of other outer raw material components of middle coated layer sulfuric acid：Weigh 17.5 kg Diammonium phosphate (DAP), 15 kg potassium chloride, 20
Kg weathered coal humic acid, 8 kg ammonium sulfate etc. adds batch mixer, is thoroughly mixed uniformly standby.
The mixing of other outer raw material components of outsourcing tegillum sulfuric acid：Weigh 10 kg silico-calcium potassium soil conditioners, 0.5 kg sulphur
Sour magnesium etc. adds batch mixer, is thoroughly mixed uniformly standby.
28.5 kg small particle ureas are added in comminutor, the sulfuric acid that concentration is 2 wt% is sprayed into when rolling, it is fully wet
Moisten the surface of urea granules, be then sprinkled into the mixture of other outer raw material components of middle coated layer sulfuric acid, continue to roll, in right amount
The sulfuric acid that concentration is 2 wt% is sprayed into, then replaces the sulfuric acid and be sprinkled into other outer originals of outsourcing tegillum sulfuric acid for spraying into that concentration is 2 wt%
Expect the mixture of component, continue to roll, until grain diameter reaches 1-8 mm, take out, air-dry 45 minutes or so, then sieved
Point, take particle diameter 1.00-4.75 mm granulated fertilizer to be packed, finished product, in the process, concentration are 2 wt% sulfuric acid
Total dosage be 3 kg.The nutrient content of finished product（N, P, K, organic matter）For 18：8：9：15.
To examine the using effect of the product, field test has been carried out in Anhui Huoqiu County and Changsha rice, has been tested
As a result showing, the product has the volume increase that 1.6-8.3% is different degrees of compared with the conventional fertilizer application of equivalent, and rice root is flourishing, point
Tiller rate is high, robust plant, strong stress resistance, and disease and insect resistance and effect resistant to lodging are obvious, especially show fertilizer efficiency length, reserve strength is sufficient, no
De- fertilizer.
Embodiment 4
The mixing of other outer raw material components of middle coated layer sulfuric acid：Weigh 37 kg Diammonium phosphate (DAP), 10 kg potassium chloride, 21 kg
Weathered coal humic acid, 0.02 kg ferrous sulfate etc. adds batch mixer, is thoroughly mixed uniformly standby.
The mixing of other outer raw material components of outsourcing tegillum sulfuric acid：Weigh 11 kg silico-calcium potassium soil conditioners, 0.5 kg sulphur
Sour magnesium etc. adds batch mixer, is thoroughly mixed uniformly standby.
13 kg small particle ureas are added in comminutor, the sulfuric acid that concentration is 2 wt% is sprayed into when rolling, is sufficiently humidified so as to
The surface of urea granules, the mixture of other outer raw material components of middle coated layer sulfuric acid is then sprinkled into, continues to roll, appropriate spray
Enter the sulfuric acid that concentration is 2 wt%, then alternately spray into sulfuric acid and be sprinkled into other outer raw materials of outsourcing tegillum sulfuric acid that concentration is 2 wt%
The mixture of component, continue to roll, until grain diameter reaches 1-8 mm, take out, air-dry 45 minutes or so, then sieved
Point, take particle diameter 1.00-4.75 mm granulated fertilizer to be packed, finished product, in the process, concentration are 2 wt% sulfuric acid
Total dosage be 3.5 kg.The nutrient content of finished product（N, P, K, organic matter）For 12：17：6：15.
To examine the using effect of the product, field test is carried out on the Helen soybean of Heilungkiang, soybean is to iron fertilizer
Than more sensitive plant, iron deficiency soil increases iron content fertilizer, is advantageous to the formation of soybean chlorophyll, promotes nitrogen metabolism, enhancing
Resistance, result of the test show that the product is compared with the conventional fertilizer application of equivalent, and soybean growing way is healthy and strong, well developed root system, rhizobium
More, disease and insect resistance effect is obvious, and the full grain of fruit is big.
The explanation of above embodiment is only intended to help the method and its core concept for understanding the present invention, but it should
Understand, to those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be carried out some
Improve and modification, protection scope of the present invention are limited by the accompanying claims.
Claims (5)
- A kind of 1. functional slow-release fertilizer, it is characterised in that：Coated layer including heart core and cladding heart core, the heart core are small Grain urea, the coated layer include middle coated layer and outsourcing tegillum；The raw material components of middle coated layer include 17.07-38.53 % MAP or Diammonium phosphate (DAP), 10.41-17.00 % potassium chloride, 19.00-21.87 % humic acid, and 1.99- 2.00 % organic silicon fertilizer, 7.799-7.801 % ammonium sulfate, 0.019-0.021 % ferrous sulfate in one kind, expoeridium The raw material components of layer include 7.97-11.46 % silico-calcium potassium soil conditioner and 0.40-0.52 % magnesium sulfate, little particle urine Element accounts for the 13.54-29.88 % of slow release fertilizer gross weight, and the concentration contained in coated layer raw material components is 1.5-2 wt% sulfuric acid Total amount account for the 1.99-3.65 % of gross weight；The percentage of above-mentioned each raw material components is that to account for slow release fertilizer total for each raw material components The percentage of weight.
- 2. functional slow-release fertilizer according to claim 1, it is characterised in that：The particle diameter of the heart core is 0.5-3 mm, The thickness of middle coated layer is 0.4-3 mm, and the thickness of outsourcing tegillum is 0.1-2 mm.
- 3. functional slow-release fertilizer according to claim 1, it is characterised in that：The silico-calcium potassium soil conditioner includes silicon The silicate such as sour potassium, calcium silicates, magnesium silicate and their mixture etc..
- 4. functional slow-release fertilizer according to claim 1, it is characterised in that：The humic acid is weathered coal humic acid.
- 5. the production method of the functional slow-release fertilizer according to claim any one of 1-4, it is characterised in that including following Step：（1）The mixing of other outer raw material components of middle coated layer sulfuric acid：By other each originals outside sulfuric acid in middle coated layer The percentage that material component accounts for gross weight weighs each raw material components, and each raw material components are added into batch mixer, is thoroughly mixed It is even, obtain the mixture of other outer raw material components of middle coated layer sulfuric acid；（2）The mixing of other outer raw material components of outsourcing tegillum sulfuric acid：By other each raw material groups outside sulfuric acid in outsourcing tegillum Divide the percentage for accounting for gross weight to weigh each raw material components, and each raw material components are added into batch mixer, be thoroughly mixed uniformly, obtain The mixture of other raw material components outside to outsourcing tegillum sulfuric acid；（3）The percentage that gross weight is accounted for by small particle urea weighs small particle urea, and the small particle urea claimed is added and made In grain machine, the sulfuric acid that concentration is engaged with such scheme is sprayed into when rolling, the surface of small particle urea is sufficiently humidified so as to, then spreads Enter the mixture of other outer raw material components of middle coated layer sulfuric acid, continue to roll, the appropriate concentration that sprays into matches with such scheme The sulfuric acid of conjunction, then alternately spray into the sulfuric acid that is engaged with such scheme of concentration and be sprinkled into outsourcing tegillum sulfuric acid other raw material groups outside The mixture divided, continues to roll, until particle diameter reaches 1-8 mm, takes out, is not dried granulated fertilizer, in the process The percentage that the total amount of sulfuric acid accounts for gross weight is engaged with such scheme；（4）Granulated fertilizer will not be dried to air-dry 45 minutes or so, then sieved, take particle diameter 1.00-4.75 mm granular fertilizer Material is packed, finished product.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910837A (en) * | 2018-07-03 | 2018-11-30 | 贵州省贵福生态肥业有限公司 | A kind of technique mentioning aluminium coproduction slow-release or control-release fertilizer |
| CN115286448A (en) * | 2022-07-20 | 2022-11-04 | 辽宁希林索农业科技有限公司 | Silicon-coated slow-control rice fertilizer and preparation method thereof |
| CN116283425A (en) * | 2023-04-04 | 2023-06-23 | 海南苗苒农化有限公司 | Silicate slow-release fertilizer and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274704A (en) * | 2000-05-19 | 2000-11-29 | 毛怀定 | Mineral-coated sustaned releasing composite fertilizer and its preparation |
| CN2771202Y (en) * | 2003-04-21 | 2006-04-12 | 冯树杰 | Two-cladding-layer, two-film-layer spherical fertilizer |
| CN102653503A (en) * | 2012-05-18 | 2012-09-05 | 成都市新都化工股份有限公司 | Double-envelope composite fertilizer production method |
| CN102731214A (en) * | 2012-07-12 | 2012-10-17 | 个旧市绿保复合肥有限责任公司 | Production process of sugarcane slow release fertilizer |
| CN103121878A (en) * | 2013-03-07 | 2013-05-29 | 北京澳佳肥业有限公司 | Double membrane slow release fertilizer containing humic acid and preparation method thereof |
| CN103319237A (en) * | 2013-06-19 | 2013-09-25 | 山东天山丰耘生态肥业有限公司 | Method for producing three-in-one coated controlled release fertilizer |
| CN104370652A (en) * | 2014-12-03 | 2015-02-25 | 上海宝田新型建材有限公司 | Special silicon containing compound fertilizer for paddy and preparation method of said fertilizer |
| CN106365795A (en) * | 2016-08-28 | 2017-02-01 | 天长市天兴园林绿化工程有限公司 | Compound coated slow-release fertilizer for garden planting and method for preparing compound coated slow-release fertilizer |
-
2017
- 2017-05-26 CN CN201710382000.6A patent/CN107417355A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274704A (en) * | 2000-05-19 | 2000-11-29 | 毛怀定 | Mineral-coated sustaned releasing composite fertilizer and its preparation |
| CN2771202Y (en) * | 2003-04-21 | 2006-04-12 | 冯树杰 | Two-cladding-layer, two-film-layer spherical fertilizer |
| CN102653503A (en) * | 2012-05-18 | 2012-09-05 | 成都市新都化工股份有限公司 | Double-envelope composite fertilizer production method |
| CN102731214A (en) * | 2012-07-12 | 2012-10-17 | 个旧市绿保复合肥有限责任公司 | Production process of sugarcane slow release fertilizer |
| CN103121878A (en) * | 2013-03-07 | 2013-05-29 | 北京澳佳肥业有限公司 | Double membrane slow release fertilizer containing humic acid and preparation method thereof |
| CN103319237A (en) * | 2013-06-19 | 2013-09-25 | 山东天山丰耘生态肥业有限公司 | Method for producing three-in-one coated controlled release fertilizer |
| CN104370652A (en) * | 2014-12-03 | 2015-02-25 | 上海宝田新型建材有限公司 | Special silicon containing compound fertilizer for paddy and preparation method of said fertilizer |
| CN106365795A (en) * | 2016-08-28 | 2017-02-01 | 天长市天兴园林绿化工程有限公司 | Compound coated slow-release fertilizer for garden planting and method for preparing compound coated slow-release fertilizer |
Non-Patent Citations (1)
| Title |
|---|
| 《化学商品学》编写组: "《化肥商品学》", 30 September 1981, 中国财政经济出版社 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910837A (en) * | 2018-07-03 | 2018-11-30 | 贵州省贵福生态肥业有限公司 | A kind of technique mentioning aluminium coproduction slow-release or control-release fertilizer |
| CN115286448A (en) * | 2022-07-20 | 2022-11-04 | 辽宁希林索农业科技有限公司 | Silicon-coated slow-control rice fertilizer and preparation method thereof |
| CN116283425A (en) * | 2023-04-04 | 2023-06-23 | 海南苗苒农化有限公司 | Silicate slow-release fertilizer and preparation method thereof |
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