CN106565308A - Anti-caking fast-dissolving nitro-compound fertilizer and preparation method thereof - Google Patents
Anti-caking fast-dissolving nitro-compound fertilizer and preparation method thereof Download PDFInfo
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- CN106565308A CN106565308A CN201610918326.1A CN201610918326A CN106565308A CN 106565308 A CN106565308 A CN 106565308A CN 201610918326 A CN201610918326 A CN 201610918326A CN 106565308 A CN106565308 A CN 106565308A
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- Prior art keywords
- nitro
- fertilizer
- parts
- caking
- compound fertilizer
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Classifications
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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
- C05G3/20—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for preventing the fertilisers being reduced to powder; Anti-dusting additives
-
- 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
Abstract
The invention provides an anti-caking fast-dissolving nitro-compound fertilizer and a preparation method thereof. The preparation method comprises the following steps: dispersing micronized cellulose ether, soluble sugar and a dispersant in molten urea to form anhydrous slurry; and coating the surface of nitro-compound fertilizer fine-particles with the slurry. The coating layer has anti-caking and fast-dissolving properties. Thus, the anti-caking fast-dissolving nitro-compound fertilizer is obtained.
Description
Technical field
The invention belongs to agricultural fertilizer technical field, and in particular to a kind of nitro-compound fertilizer and preparation method thereof.
Background technology
Agricultural modernization is put forward higher requirement for chemical fertilizer.In recent years, the production of chemical fertilizer just increasingly high efficiency composition
Change, trace-element fertilizer and pesticide are mixed wherein, become multi-effect compound fertilizer material, be easy to the pipeline transportation of fertilizer and filling
Irrigate(Sprinkling irrigation, drip irrigation)Combine, have the advantages that to save artificial and raising utilization rate of fertilizer.
Compound fertilizer refers to the chemical fertilizer containing two or more nutrient, and compound fertilizer has nutrient content high, secondary
Composition is few and the advantages of good physical behavior, for balance fertilizing, improves utilization rate of fertilizer, and promoting the stable high yield of crop has ten
Divide important effect.
Nitro-compound fertilizer is that, with ammonium nitrate as nitrogen source, the compound fertilizer raw material such as addition phosphorus, potassium, N, P, K high concentration produced is answered
Expect in Hefei.Not only contain nitrate nitrogen in its product but also contain ammonium nitrogen.Nitro-compound fertilizer fertilizer efficiency is fast, and absorbance is high, also with anti-soil
The hardened feature of earth.Nitrogen in carbamide will first carry out conversion could be absorbed by crops, in conversion process, a part of nitrogen stream
Lose, both caused fertilizer loss, and to polluting environment.Compared with carbamide, the nitrate nitrogen in nitro-compound fertilizer needs not move through two
Secondary conversion directly can be absorbed by crop root.Therefore instant effect, fertilizer efficiency is good, is particularly suitable for doing Water soluble fertilizer and uses.But existing
In having technology, often due to there is caking or the quick dissolving in water being have impact on containing insoluble matter in nitro fertilizer Jing.Pass through at present
High-tower granulation nitro-compound fertilizer is usually added into the insoluble mineral powder such as Talcum, Kaolin and kieselguhr as anti-caking for agglomeration resistance
Block, its is insoluble to cause fertilizer dissolubility to decline.And in the nitro fertilizer for being not added with anticaking agent, then due to by outside moisture shadow
Pilot causes the generation of caking, and it is serious for dissolving inequality, plugging during water-fertilizer integral to make fertilizer.Additionally, traditional nitro is combined
Another serious defect of fertilizer is that when it is added to the water, quick bridging forms bulk between crystal grain, and instant effect is poor, unfavorable
Apply in water-fertilizer integral.
Chinese invention patent application number 201210505122.7 discloses a kind of multielement nitro-compound fertilizer and its producer
Method, will add after nitric acid treatment after wet-process phosphoric acid concentration slag, chemical method slag, raffinate and potassium sulfate, trace element mixing, then be passed through
Granulating and drying is removed after ammonia neutralization reaction so as to make multielement nitro-compound fertilizer.In a wet process phosphoric acid purification is processed the preparation technology
Sludge Deng produced by is raw material, with low cost, process is simple, does not produce waste, the features such as environmentally friendly, but the nitro of its preparation
Compound fertilizer it is instant not sufficiently effective, the application of its water-fertilizer integral receives a definite limitation.
Chinese invention patent application number 201110268199.2 discloses a kind of Full water-soluble nitro compound fertilizer and its preparation
Method, with modified ammonium nitrate or ammonium sulfate as nitrogen source, with industrial monoammonium phosphate or potassium dihydrogen phosphate as phosphorus source, with potassium chloride and/or
Potassium sulfate be potash fertilizer, with EDTA complex or boron fertilizer as middle trace mineral supplement, pelletize, its preparation method are completed by high tower
Mainly include slurrying, pelletize, cooling and peplos, wherein slurrying adopts step melting mixed pulp methods.The technical scheme is with cream
The coating agent peplos of shape oil plus powdery process fertiliser granulates, and on its surface one layer of isolating membrane is wrapped up, it is therefore prevented that particle adhesion lumps,
It is available for spraying and applies with drip irrigation, but the defect with oil plant as coated fertilizer is the soil poor compatibility of oil plant, easily forms pollution.
Chinese invention patent application number 201210351752.3 discloses a kind of Polymorphic nitro-compound fertilizer and its producer
Method, with ammonium phosphate(20-33 parts), potassium sulfate(8-20 parts), potassium chloride(10-25 parts), ammonium nitrate(15-25 parts), explosion-proof addition
Agent (5-10 parts) etc. is made for raw material, and by the proportioning of preferred each component, the nitro-compound fertilizer prepared is soluble in soil
Solution, can be absorbed within a short period of time by root system of plant, quickly promote crop growth.The nitro of the technical scheme
Compound fertilizer's fertilizer efficiency is fast, easily absorption, but due to its slow-releasing deficiency, therefore only it is suitable to the quick benefit of short growth period crops nitrogen
Fill.
The content of the invention
It is not enough for the current traditional nitro instant capacity that faced of fertilizer, while the slow-releasing effect for also existing is poor, be easy to run off
Defect, the present invention proposes a kind of instant nitro fertilizer of anti-caking and preparation method, in the top layer cladding nothing of nitro fertilizer subparticle
The slurry of water dissolvable, obtains a kind of nitro fertilizer instant with anti-caking, and integument has anti-caking and fast dissolving properties, this
Bright adopted technical scheme is as follows:
The instant nitro-compound fertilizer of a kind of anti-caking, it is characterised in that with cellulose ether, soluble sugar(As sucrose, brown sugar, Lactose,
Maltose, glucose, Fructose etc.), after carbamide and a certain amount of dispersant be mixed to form slurry under the conditions of 50-60 DEG C, will starch
Body is wrapped in the top layer of nitro fertilizer subparticle, obtains a kind of instant nitro-compound fertilizer with anti-caking.
Realize that the concrete technical scheme is as follows:
(1)With ammonium nitrate, at least one in ammonium phosphate monoammonium phosphate, ammonium dihydrogen phosphate, ammonium sulfate, and potassium chloride, sulfur
, respectively as nitrogen, phosphorus, potassium resource, with anti-knock agent, and trace quantity mineral is first in calcic, magnesium, sulfur, boron, ferrum at least one in sour potassium
Element is additive, and by pelletize the subparticle fertilizer that nitro fertilizer is main body is formed;
(2)By cellulose ether, soluble sugar miniaturization, it is mixed to form without water slurry under the conditions of 50-60 DEG C with carbamide, dispersant
Body;
(3)Step(1)The nitro fertilizer of acquisition is added in the spiral ribbon mixer of electric auxiliary heat for the subparticle fertilizer of main body, is started mixed
After the stirring preheating of conjunction machine, step is slowly added to(2)Anhydrous slurry is obtained, is persistently rotated, is mixed with the rotating speed of 100-1200rpm,
The viscosity having using slurry makes it uniformly be wrapped in tiny granule surface, and temperature is returned to after normal room temperature, and slurry is final
One layer is formed on the top layer of granular fertilizer and there is certain thickness clad, obtain the described instant nitro-compound fertilizer of anti-caking.
Preferably, described soluble sugar is at least in sucrose, brown sugar, Lactose, maltose, glucose sugar and Fructose
Kind.
Preferably, described without water slurry, the parts by weight of its each component are:Cellulose ether 20-75 parts, soluble sugar 5-
15 parts, carbamide 10-45 parts, dispersant 8-16 parts.
Preferably, described nitro fertilizer is that the subparticle fertilizer weight of main body is:Ammonium nitrate 40-82 parts, phosphoric acid
Ammonium monoammonium phosphate or ammonium dihydrogen phosphate or at least one 15-30 parts in ammonium sulfate, at least in potassium chloride or potassium sulfate
Kind 3-18 parts, knock-sedative dope 1-5 parts, trace quantity mineral substance element is addition 0.2-5 parts in calcic, magnesium, sulfur, boron, ferrum.
Preferably, described nitro fertilizer is 1-5mm for the particle diameter of the subparticle fertilizer of main body.
The instant nitro-compound fertilizer of a kind of anti-caking, it is characterised in that the anti-caking being prepared by above-mentioned preparation method is instant
Nitro-compound fertilizer.
Preferably, boron element is added in the form of Borax or boric acid.
By adjusting the ratio of cellulose ether, soluble sugar, dispersant three to the instant nitro-compound fertilizer fertilizer grain of anti-caking
Rate of dissolution have significant impact.Cellulose ether contributes to forming stable shell, but too high cellulose ether is unfavorable for shell
Quick dissolving, a certain amount of dispersant can improve the viscosity of slurry, make the clad homogenization to be formed.Integrated application institute
Need, the total amount without the cellulose ether in water slurry and soluble sugar is not less than 70 parts, and dispersant is not less than 8 parts, and remaining is carbamide,
The cellulose ether and saccharide of the content can provide certain adhesive force, contribute to the uniform cladding of slurry, while making encasement
Layer possesses considerable intensity in room temperature, so as to avoid it from rupturing, come off and fail.
In to be slowly added into the nitro-compound fertilizer fine particle at the uniform velocity stirring and preheating without water slurry, granule is mutually extruded
Effect coats slurry, and shell thickness can be changed with the usage ratio of fertile grain by adjusting slurry, it is preferred that slurry and fertile grain
Weight ratio is 3-10:1000, all good clad of intensity and adhesion effect can be formed.By the addition for improving slurry simultaneously
Amount and stir speed can be appropriate increase shell thickness, the requirement of different packaging, storage and transportation conditions can be met.
Compared with prior art, the instant nitro-compound fertilizer of anti-caking according to the present invention and its production method have such as
Under advantage and marked improvement:
(1)The nitro-compound fertilizer nitrogen of the technical program, phosphorus, potassium raw material are water solublity, while going back solubility boron and with EDTA chelas
Various trace elements are closed, the nutritional need and water-fertilizer integral fertilising of most of crops can be met.
(2)With add traditional high-tower granulation nitro of the insoluble mineral powder such as Talcum, Kaolin and kieselguhr as anti-caking
Fertilizer is compared, and the instant compound fertilizer's storage of the anti-caking of the technical program is not lumpd, dissolving is quick, fully, without residue, spray can be met
Apply, the demand of various occasions such as drip irrigation, improving utilization rate of fertilizer, saving agricultural water, mitigate ecological environmental pollution, improve and make
Article matter and to save the aspect such as artificial with the obvious advantage.
(3)Ammonium nitrate critical relative humidity in nitro-compound fertilizer is relatively low, the easy moisture absorption and lump, degeneration, have a strong impact on
Fertilizer efficiency and follow-up administration.Cellulose ether that the technical program is adopted, soluble sugar for main component encasement, its property is steady
It is fixed, can in the easy absorption air of effectively solving nitro-compound fertilizer moisture and lump, keep the quality of nitro fertilizer.
(4)The technical program adopt cellulose ether, soluble sugar have asepsis environment-protecting, it is cheap and easy to get the characteristics of.With biography
The addition mineral dust such as Talcum of system is compared with the nitro-compound fertilizer of anti-caking, and cellulose ether, soluble sugar are entered after soil can be
Slowly degrade in the presence of microorganism, beneficial to keeping soil from packing together and salination, can chronic administration.
Specific embodiment
Significant feature of the invention is that using special formulation without water slurry, it is uniform to making slurry by spiral ribbon mixer
Parcel to pelletize obtained in trickle compound fertilizer granules surface, form fine and close shell so that fertile grain it possess anti-caking,
The high and applied widely characteristic of instant, stability.The present invention is made further specifically below by way of specific embodiment
It is bright, but this should not be interpreted as the scope of the present invention and be only limitted to Examples below.Without departing from said method thought of the present invention
In the case of, the various replacements made according to ordinary skill knowledge and customary means or change should be included in the present invention
In the range of.
Embodiment 1
Nitro-compound fertilizer pelletize is carried out first, and with 60 parts of ammonium nitrate, 25 parts of ammonium phosphate monoammonium phosphate, 10 parts of potassium sulfate is explosion-proof
3 parts of additive, Borax is total 1.5 parts, and the calcium of EDTA chelatings, magnesium elements are total 0.5 part, using the formation nitro of high tower granulator
Compound fertilizer's subparticle.
Prepare without water slurry:Attenuated fibers 50 parts of ether of element, 8 parts of solubility sucrose, 32 parts of carbamide, 10 parts of dispersant is at 60 DEG C
Under the conditions of be mixed to form anhydrous slurry.
Nitro fertilizer subparticle is added in the spiral ribbon mixer with auxiliary heat structure, starts mixer stirring preheating, delayed
It is slow to add obtained anhydrous slurry in advance, the addition of slurry by the fertile grain of every 1000 weight portion add 5 weight portions without water slurry
Material, and continue to be rotated, mixed with the rotating speed of 800rpm, the viscosity having using slurry makes it uniformly be wrapped in tiny fertilizer
Grain surface.After being sufficiently mixed, temperature clear-cutting forestland to room temperature, slurry finally forms one layer of tool on the top layer of fine nitro fertilizer granule
There is certain thickness fine and close clad, obtain the described instant nitro-compound fertilizer of anti-caking.
The instant nitro-compound fertilizer 1Kg of the anti-caking after above-mentioned cooling is taken in the glass beaker of 2L, the humidity of adjusting ambient
Anti-caking test is carried out for 65%, particle dispersion is good after 7 days, formed without caking.
Comparative example 1
The common instant nitro-compound fertilizer 1Kg in commercially available 3 group is separately taken respectively, it is same to adjust in being respectively placed in the glass beaker of 2L
The humidity of section environment carries out anti-caking test for 65%, and the dispersibility of granule is observed after 7 days, and 3 groups of fertile grains are occurred in that in various degree
Caking.
By comparative example 1 and comparative example 1, the nitro fertilizer granule obtained using technical solution of the present invention is had more preferably
Anti-caking ability, the fertilizer efficiency of stable compound fertilizer that can be more longlasting.
Embodiment 2
Nitro-compound fertilizer pelletize is carried out first, and with 62 parts of ammonium nitrate, 28 parts of ammonium phosphate ammonium dihydrogen phosphate, 6 parts of potassium sulfate is explosion-proof to add
Plus 3 parts of agent, Borax is total 0.5 part, and the calcium of EDTA chelatings, magnesium elements are total 0.5 part, are answered using the formation nitro of high tower granulator
Hefei subparticle.
Prepare without water slurry:With 54 parts of cellulose ether, 7 parts of solubility sucrose, 30 parts of carbamide, 9 parts of dispersant is in 50 DEG C of bars
Anhydrous slurry is mixed to form under part.
Nitro fertilizer subparticle is added in the spiral ribbon mixer with auxiliary heat structure, starts mixer stirring preheating, delayed
It is slow to add obtained anhydrous slurry in advance, the addition of slurry by the fertile grain of every 1000 weight portion add 4 weight portions without water slurry
Material, and continue to be rotated, mixed with the rotating speed of 500rpm, the viscosity having using slurry makes it uniformly be wrapped in tiny fertilizer
Grain surface.After being sufficiently mixed, temperature clear-cutting forestland to room temperature, slurry finally forms one layer of tool on the top layer of fine nitro fertilizer granule
There is certain thickness fine and close clad, obtain the described instant nitro-compound fertilizer of anti-caking.
The instant nitro-compound fertilizer of anti-caking prepared according to above-mentioned technical proposal is fertile as fruit, and per mu takes fertile 5Kg and is dissolved in 30L
, in place's sprinkling around fruit tree tree root, continuous observation being carried out to fruit tree after spraying, fruit tree grows fine, and fruit bearing rate is super
Cross 90%.
Comparative example 2
Using nitro-compound fertilizer common on the market as a comparison, per mu fertilising 5Kg, equally with after 30L water dissolutioies away from fruit tree
Spray at root.Fruit tree is observed after spraying, fruit tree growing way is general, and fruit bearing rate is 75%.By comparative example 1 and right
Ratio 1, using the compound fertilizer of the present invention directly as fruit fertilizer, promotes fruit tree growth, improves the fruiting rate of fruit tree.
Embodiment 3
Nitro-compound fertilizer pelletize is carried out first, and with 65 parts of ammonium nitrate, 20 parts of ammonium phosphate ammonium dihydrogen phosphate, 15 parts of potassium sulfate is explosion-proof
3 parts of additive, Borax is total 1.2 parts, and the calcium of EDTA chelatings, magnesium elements are total 0.8 part, using the formation nitro of high tower granulator
Compound fertilizer's subparticle.
Prepare without water slurry:Attenuated fibers 60 parts of ether of element, 10 parts of solubility sucrose, 20 parts of carbamide, 10 parts of dispersant is 55
Anhydrous slurry is mixed to form under the conditions of DEG C.
Nitro fertilizer subparticle is added in the spiral ribbon mixer with auxiliary heat structure, starts mixer stirring preheating, delayed
It is slow to add obtained anhydrous slurry in advance, the addition of slurry by the fertile grain of every 1000 weight portion add 8 weight portions without water slurry
Material, and continue to be rotated, mixed with the rotating speed of 1000rpm, it is tiny that the viscosity having using slurry makes it uniformly be wrapped in
Granule surface.After being sufficiently mixed, temperature clear-cutting forestland to room temperature, slurry finally forms one layer on the top layer of fine nitro fertilizer granule
With certain thickness fine and close clad, the described instant nitro-compound fertilizer of anti-caking is obtained.
Embodiment 4
Nitro-compound fertilizer pelletize is carried out first, and with 55 parts of ammonium nitrate, 25 parts of ammonium phosphate ammonium dihydrogen phosphate, 16 parts of potassium sulfate is explosion-proof
3 parts of additive, Borax is total 0.5 part, and the calcium of EDTA chelatings, magnesium elements are total 0.5 part, using the formation nitro of high tower granulator
Compound fertilizer's subparticle, grain diameter 2-3mm.
Prepare without water slurry:Attenuated fibers 55 parts of ether of element, 10 parts of solubility brown sugar, 25 parts of carbamide, 10 parts of dispersant is 58
Anhydrous slurry is mixed to form under the conditions of DEG C.
Nitro fertilizer subparticle is added in the spiral ribbon mixer with auxiliary heat structure, starts mixer stirring preheating, delayed
It is slow to add obtained anhydrous slurry in advance, the addition of slurry by the fertile grain of every 1000 weight portion add 5 weight portions without water slurry
Material, and continue to be rotated, mixed with the rotating speed of 800rpm, the viscosity having using slurry makes it uniformly be wrapped in tiny fertilizer
Grain surface.After being sufficiently mixed, temperature clear-cutting forestland to room temperature, slurry finally forms one layer of tool on the top layer of fine nitro fertilizer granule
There is certain thickness fine and close clad, obtain the described instant nitro-compound fertilizer of anti-caking.
Embodiment 5
Nitro-compound fertilizer pelletize is carried out first, and with 70 parts of ammonium nitrate, 18 parts of ammonium phosphate ammonium dihydrogen phosphate, 6 parts of potassium sulfate is explosion-proof to add
Plus 5 parts of agent, Borax is total 0.5 part, and the calcium of EDTA chelatings, magnesium elements are total 0.5 part, are answered using the formation nitro of high tower granulator
Hefei subparticle.
Prepare without water slurry:With 40 parts of cellulose ether, 12 parts of solubility maltose, 35 parts of carbamide, 13 parts of dispersant is 55
Anhydrous slurry is mixed to form under the conditions of DEG C.
Nitro fertilizer subparticle is added in the spiral ribbon mixer with auxiliary heat structure, starts mixer stirring preheating, delayed
It is slow to add obtained anhydrous slurry in advance, the addition of slurry by the fertile grain of every 1000 weight portion add 9 weight portions without water slurry
Material, and continue to be rotated, mixed with the rotating speed of 1100rpm, it is tiny that the viscosity having using slurry makes it uniformly be wrapped in
Granule surface.After being sufficiently mixed, temperature clear-cutting forestland to room temperature, slurry finally forms one layer on the top layer of fine nitro fertilizer granule
With certain thickness fine and close clad, the described instant nitro-compound fertilizer of anti-caking is obtained.
Claims (6)
1. the preparation method of the instant nitro-compound fertilizer of a kind of anti-caking, it is characterised in that be refined into cellulose ether, soluble sugar
Micron-sized subparticle, after being mixed to form slurry under the conditions of 50-60 DEG C with dispersant, carbamide, by slurry nitro is wrapped in
Fertilizer is the top layer of the subparticle fertilizer of main body, obtains a kind of instant nitro-compound fertilizer with anti-caking, and concrete grammar is as follows:
(1)With ammonium nitrate, at least one in ammonium phosphate monoammonium phosphate, ammonium dihydrogen phosphate, ammonium sulfate, and potassium chloride, sulfur
, respectively as nitrogen, phosphorus, potassium resource, with anti-knock agent, and trace quantity mineral is first in calcic, magnesium, sulfur, boron, ferrum at least one in sour potassium
Element is additive, and by pelletize the subparticle fertilizer that nitro fertilizer is main body is formed;
(2)By cellulose ether, soluble sugar miniaturization, it is mixed to form without water slurry under the conditions of 50-60 DEG C with carbamide, dispersant
Body;
(3)Step(1)The nitro fertilizer of acquisition is added in the spiral ribbon mixer of electric auxiliary heat for the subparticle fertilizer of main body, is started mixed
After the stirring preheating of conjunction machine, step is slowly added to(2)Anhydrous slurry is obtained, is persistently rotated, is mixed with the rotating speed of 100-1200rpm,
The viscosity having using slurry makes it uniformly be wrapped in tiny granule surface, and temperature is returned to after normal room temperature, and slurry is final
One layer is formed on the top layer of granular fertilizer and there is certain thickness clad, obtain the described instant nitro-compound fertilizer of anti-caking.
2. the preparation method of the instant nitro-compound fertilizer of a kind of anti-caking according to claim 1, it is characterised in that described can
Dissolubility sugar is at least one in sucrose, brown sugar, Lactose, maltose, glucose sugar and Fructose.
3. a kind of preparation method of the instant nitro-compound fertilizer of anti-caking according to claim 1, it is characterised in that described nothing
Water slurry, the parts by weight of its each component are:Cellulose ether 20-75 parts, soluble sugar 5-15 parts, carbamide 10-45 parts, dispersant
8-16 parts.
4. a kind of preparation method of the instant nitro-compound fertilizer of anti-caking according to claim 1, it is characterised in that described nitre
Base manure is that the subparticle fertilizer weight of main body is:Ammonium nitrate 40-82 parts, ammonium phosphate monoammonium phosphate or ammonium dihydrogen phosphate
Or at least one 15-30 parts in ammonium sulfate, at least one 3-18 parts in potassium chloride or potassium sulfate, knock-sedative dope 1-5 parts,
Trace quantity mineral substance element is addition 0.2-5 parts in calcic, magnesium, sulfur, boron, ferrum.
5. a kind of preparation method of the instant nitro-compound fertilizer of anti-caking according to claim 1, it is characterised in that described nitre
Base manure is 1-5mm for the particle diameter of the subparticle fertilizer of main body.
6. the instant nitro-compound fertilizer of a kind of anti-caking, it is characterised in that by described in any one of claim 1-5 prepared by preparation method
Obtained by the instant nitro-compound fertilizer of anti-caking.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109134044A (en) * | 2018-09-04 | 2019-01-04 | 青岛埃图作物营养有限公司 | Particle a great number of elements Water soluble fertilizer and preparation method thereof |
CN113999073A (en) * | 2021-11-08 | 2022-02-01 | 山西华鑫肥业股份有限公司 | Anti-caking process for nitro compound fertilizer |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102850140A (en) * | 2012-09-29 | 2013-01-02 | 广西力源肥业科技农化有限公司 | Anti-blocking compound fertilizer and preparation method thereof |
CN103539573A (en) * | 2013-11-04 | 2014-01-29 | 无锡尧之龙物联网技术工程有限公司 | Water-soluble polysaccharide environment-friendly anti-caking agent for composite fertilizer and application thereof in composite fertilizer |
-
2016
- 2016-10-21 CN CN201610918326.1A patent/CN106565308A/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102850140A (en) * | 2012-09-29 | 2013-01-02 | 广西力源肥业科技农化有限公司 | Anti-blocking compound fertilizer and preparation method thereof |
CN103539573A (en) * | 2013-11-04 | 2014-01-29 | 无锡尧之龙物联网技术工程有限公司 | Water-soluble polysaccharide environment-friendly anti-caking agent for composite fertilizer and application thereof in composite fertilizer |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109134044A (en) * | 2018-09-04 | 2019-01-04 | 青岛埃图作物营养有限公司 | Particle a great number of elements Water soluble fertilizer and preparation method thereof |
CN113999073A (en) * | 2021-11-08 | 2022-02-01 | 山西华鑫肥业股份有限公司 | Anti-caking process for nitro compound fertilizer |
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Application publication date: 20170419 |