CN107417370A - A kind of high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology - Google Patents
A kind of high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology Download PDFInfo
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- CN107417370A CN107417370A CN201710476032.2A CN201710476032A CN107417370A CN 107417370 A CN107417370 A CN 107417370A CN 201710476032 A CN201710476032 A CN 201710476032A CN 107417370 A CN107417370 A CN 107417370A
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- fulvic acid
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- 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
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- Organic Chemistry (AREA)
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Abstract
A kind of high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology, is belonged to the technical field of composite fertilizer, is produced using high-tower granulation, comprised the following steps：A, the preparation of primary mixes material；B, the preparation of fulvic acid ureaformaldehyde liquid；C, the preparation of high tower fulvic acid ureaformaldehyde composite fertilizer, high tower fulvic acid ureaformaldehyde composite fertilizer is obtained.This preparation technology is simple to operate, easy to control, high yield rate, and the complex fertilizer product particulate percentages content of production is high, and the product quality of preparation is stable, and operating cost is low, can get well less, be pollution-free.
Description
Technical field
The invention belongs to the technical field of composite fertilizer, is related to fulvic acid ureaformaldehyde composite fertilizer, and in particular to make using high tower
A kind of high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology of grain production.This preparation technology is simple to operate, easy to control, yield rate
Height, the complex fertilizer product particulate percentages content of production is high, and the product quality of preparation is stable, and operating cost is low, can get well less, without dirt
Dye.
Background technology
According to soil fertility and crop growth period to the demand characteristics of nutrition, Development and Production is various efficiently, environmental protection is complete water-soluble
New compound fertilizer is the general trend of world today's Growth of Chemical Fertilizer Industry, is the main target of fertilizer variety structural adjustment,
It is the general orientation of modern agricultural development.For fertilizer enterprise, seize the opportunity, pin is had according to the nutrient uptake feature of different crops
Exploitation, research, the various Different Nutrients of production to property, different types of compound fertilizer, to meet China's modern agriculture to difference
Soil, Different Crop, different growing stages plant are to fertilizer demand, it has also become trend of the times.
At present, Chinese compound fertilizer Market Situation is more complicated.On the one hand, as the development of agricultural production, peasant more note
Meaning reduces labour and improves productivity ratio, can once be applied with a variety of nutrients using compound fertilizer, saving of work and time, facilitates peasant,
It is thus more favourable.Because Chinese Government continues to increase the supporting dynamics to agricultural production, items policy of supporting agriculture constantly is put into effect, state
Continuous rise, the per capita income steady growth of peasant, peasant are positive what is agriculturally increased input in recent years for interior agricultural byproducts price
Property is unprecedentedly surging so that it also constantly increases to the purchasing power of basic chemical fertilizer and compound fertilizer.Along with composite fertilizer of China industry
Gap between international most advanced level, and impact of the import fertilizer product to domestic market so that the fertilizer enterprise in China
It is faced with stern challenge.Particularly after China joined WTO under the new situation, the requirement of national fertilizer zero growth rate is called,
For with high content of technology, good product quality, for the strong fertilizer enterprise of marketing competition ability, its product market becomes big, there is
Go abroad into the possibility of world market.And for the fertilizer enterprise of those shortage competitiveness, not only product enters not
International market, domestic market may also be tied up by similar products at home and abroad.Protect and pay attention to Environmental simultaneously, open
It is imperative that hair ring protects free of contamination fertilizer.Under these circumstances company give full play to existing compound fat device itself is excellent
Gesture, 400,000 tons/year of high tower fulvic acid ureaformaldehyde composite fertilizer projects of reconstruction are proposed, further lifting, the product structure of optimization enterprise,
Start enterprise's new growth engines, the economic scale of business excellence product is further rationalized, expand composite fertilizer in market
On occupation rate, be very necessary, very timely.The shortcomings that existing handicraft product be with high content of technology, hazard index once
It is high, vent gas treatment is bad can cause air pollution, bring very big difficulty to manufacturing.
The content of the invention
In order to solve above-mentioned the deficiencies in the prior art, this application provides a kind of preparation of high tower fulvic acid ureaformaldehyde composite fertilizer
Technique, for producing different content multienzyme, zinc, selenium, trace-element compound fertilizer, phytoenzyme can promote crop to absorb, improve fertilizer
The utilization rate of material, make the utilization of nitrogen more reasonable, have slow controlled release feature, nutrient be balanced to each particle, release uniformly,
Improve the yield and quality, the long-term feature of fertilizer efficiency.
The present invention is to realize that the technical scheme that its purpose uses is：
A kind of high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology, is produced using high-tower granulation, comprised the following steps：
A, the preparation of primary mixes material：Take the MAP of P >=55%, the potassium sulfate of K >=52%, ammonium sulfate, ring paste
Essence, phytoenzyme, selenium fertilizer, zinc fertilizer, are placed in high tower one-level mixing channel after crushing and mix, obtain primary mixes material；
B, the preparation of fulvic acid ureaformaldehyde liquid：Potassium fulvate, formaldehyde and urea are pressed into (0.2-0.5)：(50-75)：(250-
350) mass ratio, add in reactor and reacted by watery fusion into fulvic acid ureaformaldehyde liquid, obtain fulvic acid ureaformaldehyde liquid；
C, the preparation of high tower fulvic acid ureaformaldehyde composite fertilizer：The fulvic acid ureaformaldehyde liquid that step B is obtained is added to step A
High tower one-level mixing channel in primary mixes material carry out double chelatings, overflow afterwards enters to be mixed in high tower two level mixing channel
Close, the feed liquid overflow for mixing later is entered into mulser and milled, be placed in comminutor and spray after milling, freely land and be cooled to
Particle；Gained particle is cooled down, the temperature of charge after cooling is controlled at 35-45 DEG C, screened, and it is yellow rotten to obtain high tower
Sour ureaformaldehyde composite fertilizer.
In the preparation of step A primary mixes material, to account in terms of high tower fulvic acid ureaformaldehyde composite fertilizer quality, weigh P >=
55% MAP 10-25%, the potassium sulfate 20-35% of K >=52%, ammonium sulfate 10-15%, cyclodextrin 0.01-0.05%,
Phytoenzyme 0.01-0.05%, selenium fertilizer 0.1-0.15%, zinc fertilizer 0.1-0.15%.
The temperature for controlling high tower one-level mixing channel and high tower two level mixing channel is 100-125 DEG C, and mixing speed is 55-
85r/min。
The melting temperature that watery fusion reacts in rate-determining steps B is 110-130 DEG C
Later feed liquid overflow is mixed in rate-determining steps C enter the mesh number of milling that mulser is milled and reach more than 800 mesh.
During screening, the material after cooling is sieved with the sieve of 2.5-4.5 mesh, it is 2.5-4.5 purposes to select mesh number
Particle is high tower fulvic acid ureaformaldehyde composite fertilizer.
After the high tower fulvic acid ureaformaldehyde compound fertilizer coating anti-caking agent that step C is obtained, you can it is yellow rotten to be packaged to be high tower
Sour ureaformaldehyde complex fertilizer product.
The beneficial effects of the invention are as follows：The present invention forms ureaformaldehyde colloid using potassium fulvate, formaldehyde and urea chelatropic reaction,
Eutectic point compound is formed with MAP, potassium sulfate, thiamines, cyclodextrin, phytoenzyme, zinc fertilizer, it is good with mobility by ureaformaldehyde
Good P, K molten slurry, the slurry are granulated solidify afterwards into particle by comminutor, so as to obtain Nutrient distribution uniformly, graininess
The good fulvic acid urea-formaldehyde fertilizer of shape.The key point of the present invention is the melting for preparing chelating ureaformaldehyde colloid, good fluidity
Slurry, the temperature of mixing channel, mixing speed, residence time, raw and auxiliary material are the main of the technical process using, slurry liquid-solid ratio
Control parameter, state modulator must get well the viscosity for helping to reduce slurry, reduce biuret, ensure its mobility, reduce side reaction,
Reduce the pollution of ammonia damage and tail gas.
The characteristic of high tower fulvic acid ureaformaldehyde complex fertilizer product produced by the invention：This product sufficiently utilizes plant not
The trace element that can lack, the nutrition of plant is improved, promote plant absorption, make use of the chemical combination of enzyme, zinc, selenium to improve fertilizer
The utilization rate of material, fixed nitrogen, phosphorus decomposing, potassium decomposing is long-acting, is sustained, double chelate fertilizers that stream is not released.
The present invention adds cyclodextrin and phytoenzyme in the feed, is melted with reference to potassium fulvate, formaldehyde and the common low temperature of urea
Key substance-fulvic acid ureaformaldehyde liquid made from melting reaction, is aided with zinc, in the presence of potassium, improves nitrogen metabolism, can be well
Change the ratio of organic nitrogen and inorganic nitrogen in plant, greatly improve drought-resistant, low-temperature resistance ability, promote plant health life
It is long.The combination of above-mentioned key technology technique and raw material simultaneously so that the nitrogen profit of the high tower fulvic acid ureaformaldehyde composite fertilizer of preparation
It is substantially improved with rate, high tower fulvic acid ureaformaldehyde composite fertilizer prepared by this preparation technology can make raising fertilizer nutrient and soil particle
With reference to adsorbing in plant root, form gluey chelate, so as to reduce nutrient loss so that nutrient is fully absorbed by plant.
After the high tower fulvic acid ureaformaldehyde composite fertilizer prepared using preparation technology of the present invention is applied, single-dose application, whole season has
Effect, nitrogen utilization efficiency is up to more than 90%, higher than common nitrogenous fertilizer more than 50%, higher than urea-formaldehyde compound fertilizer more than 30%, higher than ureaformaldehyde
Fertilizer more than 20% is simply mixed with potassium fulvate in fertilizer.The nutrients release cycle is up to more than 90 days, and the compound fertilizer granules of preparation are once
Up to more than 98%, returning charge ratio is reduced to (0.01-0.03) yield rate:1.
Embodiment
With reference to specific embodiment, the present invention is further illustrated.
First, specific embodiment
Embodiment 1 prepares 1000kg high tower fulvic acid ureaformaldehydes composite fertilizer
A, the preparation of primary mixes material：Raw material is weighed with electronics batcher, weighs the MAP 100kg of P >=55%,
The potassium sulfate 300kg of K >=52%, ammonium sulfate 100kg, cyclodextrin 0.5kg, phytoenzyme 0.2kg, selenium fertilizer 1kg, zinc fertilizer 1kg, crush
After be placed in high tower one-level mixing channel and mix, the temperature for control high tower one-level mixing channel is 100-125 DEG C, mixing speed 55-
85r/min, obtain primary mixes material；
B, the preparation of fulvic acid ureaformaldehyde liquid：The total amount of potassium fulvate, formaldehyde and urea is 497.3kg, then will be yellow rotten
Sour potassium, formaldehyde and urea in mass ratio 0.5：50：250 ratios, add in reactor and reacted by watery fusion into fulvic acid urea
Aldehyde liquid, melting temperature are 110-130 DEG C, obtain fulvic acid ureaformaldehyde liquid；
C, the preparation of high tower fulvic acid ureaformaldehyde composite fertilizer：The fulvic acid ureaformaldehyde liquid that step B is obtained is added to step A
High tower one-level mixing channel in primary mixes material carry out double chelatings at a high speed, overflow afterwards, which enters in high tower two level mixing channel, to be carried out
Mixing, the temperature for controlling high tower two level mixing channel is 100-125 DEG C, mixing speed 55-85r/min, will mix later material
Hydrorrhea, which flows into mulser and carries out being milled to mesh number of milling, to be reached more than 800 mesh, it is therefore an objective to various elements are balanced to each particle,
It is placed in vertical positive and negative rotation comminutor and sprays after milling, the principle being condensed using the height of high tower and fulvic acid ureaformaldehyde moment
Freely land and be cooled to particle；Gained particle is entered and cooled down using dehumidifying cold wind convolution cooler, the thing after cooling
Material temperature degree is 35-45 DEG C, screened, selects mesh number to obtain 1000kg high tower fulvic acid ureaformaldehydes in the particle of 2.5-4.5 purposes
Composite fertilizer.Being granulated, being granulated again after crushing more than 4.5 mesh again below 2.5 mesh.
By obtained 1000kg high tower fulvic acid ureaformaldehyde compound fertilizer coating anti-cakings agent (coating anti-caking oil and anti-caking powder)
Afterwards, you can be packaged to be high tower fulvic acid ureaformaldehyde complex fertilizer product.Coating anti-caking agent, its effect have at 2 points, one is resistance
Only intergranular reunion, it is set to give full play to the performance of fulvic acid urea-formaldehyde fertilizer；The second is Pesticidal and sterilizing.
Due to present invention utilizes the process units of high tower compound fertilizer, i.e., (such as the present embodiment is adopted for electronics batcher, high tower
High tower with 138 meters), vertical positive and negative rotation comminutor, dehumidifying air-cooler, supporting watery fusion equipment, make use of special original
Expect that fulvic acid, formaldehyde, urea watery fusion carry out slurry-spraying pelletizing, be that the production technology of composite fertilizer and Chemical Mixed Fertilizer obtain production technology knot
Zoarium, possess composition proportion uniformly, complete water-soluble, slow controlled release, particle smooth even the features such as apply it is convenient；Effectively improve crops
Yield and agricultural product quality, have that nutrients release is uniform, effect is permanent, single fertilization, uniqueness is absorbed etc. beneficial to crop
The advantages of.
The cooling effect for the dehumidifying air-cooler that the present invention uses is better than domestic existing product, and exceedes national standard, cooling
Material temperature is not higher than normal temperature afterwards, the granulated fertilizer to producing high quality, extends granulated fertilizer storage time, increases economic efficiency and play
Remarkable effect.
Embodiment 2 prepares 1000kg high tower fulvic acid ureaformaldehydes composite fertilizer
A, the preparation of primary mixes material：Raw material is weighed with electronics batcher, weighs the MAP 200kg of P >=55%,
The potassium sulfate 200kg of K >=52%, ammonium sulfate 150kg, cyclodextrin 0.1kg, phytoenzyme 0.5kg, selenium fertilizer 1.5kg, zinc fertilizer 1.5kg,
It is placed in high tower one-level mixing channel and mixes after crushing, the temperature for controlling high tower one-level mixing channel is 100-125 DEG C, and mixing speed is
55-85r/min, obtain primary mixes material；
B, the preparation of fulvic acid ureaformaldehyde liquid：The total amount of potassium fulvate, formaldehyde and urea is 446.4kg, then will be yellow rotten
Sour potassium, formaldehyde and urea in mass ratio 0.2：75：350 ratios, add in reactor and reacted by watery fusion into fulvic acid urea
Aldehyde liquid, melting temperature are 115-125 DEG C, obtain fulvic acid ureaformaldehyde liquid；
C, the preparation of high tower fulvic acid ureaformaldehyde composite fertilizer：The fulvic acid ureaformaldehyde liquid that step B is obtained is added to step A
High tower one-level mixing channel in primary mixes material carry out double chelatings at a high speed, overflow afterwards, which enters in high tower two level mixing channel, to be carried out
Mixing, the temperature for controlling high tower two level mixing channel is 110-120 DEG C, mixing speed 65-75r/min, will mix later material
Hydrorrhea, which flows into mulser and carries out being milled to mesh number of milling, to be reached more than 800 mesh, it is therefore an objective to various elements are balanced to each particle,
It is placed in vertical positive and negative rotation comminutor and sprays after milling, the principle being condensed using the height of high tower and fulvic acid ureaformaldehyde moment
Freely land and be cooled to particle；Gained particle is entered and cooled down using dehumidifying cold wind convolution cooler, the thing after cooling
Material temperature degree is 38-40 DEG C, screened, selects mesh number to obtain 1000kg high tower fulvic acid ureaformaldehydes in the particle of 2.5-4.5 purposes
Composite fertilizer.Being granulated, being granulated again after crushing more than 4.5 mesh again below 2.5 mesh.
After obtained 1000kg high tower fulvic acid ureaformaldehyde compound fertilizer coating anti-caking agent, you can be packaged to be high tower Huang
Rotten sour ureaformaldehyde complex fertilizer product.
Embodiment 3 prepares 1000kg high tower fulvic acid ureaformaldehydes composite fertilizer
A, the preparation of primary mixes material：Raw material is weighed with electronics batcher, weighs the MAP 250kg of P >=55%,
The potassium sulfate 350kg of K >=52%, ammonium sulfate 130kg, cyclodextrin 0.5kg, phytoenzyme 0.1kg, selenium fertilizer 1.2kg, zinc fertilizer 1.2kg,
It is placed in high tower one-level mixing channel and mixes after crushing, the temperature for controlling high tower one-level mixing channel is 105-120 DEG C, and mixing speed is
70-80r/min, obtain primary mixes material；
B, the preparation of fulvic acid ureaformaldehyde liquid：The total amount of potassium fulvate, formaldehyde and urea is 267kg, then by fulvic acid
Potassium, formaldehyde and urea in mass ratio 0.3：60：330 ratios, add in reactor and reacted by watery fusion into fulvic acid ureaformaldehyde
Liquid, melting temperature are 110-120 DEG C, obtain fulvic acid ureaformaldehyde liquid；
C, the preparation of high tower fulvic acid ureaformaldehyde composite fertilizer：The fulvic acid ureaformaldehyde liquid that step B is obtained is added to step A
High tower one-level mixing channel in primary mixes material carry out double chelatings at a high speed, overflow afterwards, which enters in high tower two level mixing channel, to be carried out
Mixing, the temperature for controlling high tower two level mixing channel is 113-118 DEG C, mixing speed 68-70r/min, will mix later material
Hydrorrhea, which flows into mulser and carries out being milled to mesh number of milling, to be reached more than 800 mesh, it is therefore an objective to various elements are balanced to each particle,
It is placed in vertical positive and negative rotation comminutor and sprays after milling, the principle being condensed using the height of high tower and fulvic acid ureaformaldehyde moment
Freely land and be cooled to particle；Gained particle is entered and cooled down using dehumidifying cold wind convolution cooler, the thing after cooling
Material temperature degree is 38-40 DEG C, screened, selects mesh number to obtain 1000kg high tower fulvic acid ureaformaldehydes in the particle of 2.5-4.5 purposes
Composite fertilizer.Being granulated, being granulated again after crushing more than 4.5 mesh again below 2.5 mesh.
After obtained 1000kg high tower fulvic acid ureaformaldehyde compound fertilizer coating anti-caking agent, you can be packaged to be high tower Huang
Rotten sour ureaformaldehyde complex fertilizer product.
Embodiment 4 prepares 1000kg high tower fulvic acid ureaformaldehydes composite fertilizer
A, the preparation of primary mixes material：Raw material is weighed with electronics batcher, weighs the MAP 150kg of P >=55%,
The potassium sulfate 250kg of K >=52%, ammonium sulfate 120kg, cyclodextrin 0.2kg, phytoenzyme 0.3kg, selenium fertilizer 1.3kg, zinc fertilizer 1.2kg,
It is placed in high tower one-level mixing channel and mixes after crushing, the temperature for controlling high tower one-level mixing channel is 100-125 DEG C, and mixing speed is
55-85r/min, obtain primary mixes material；
B, the preparation of fulvic acid ureaformaldehyde liquid：The total amount of potassium fulvate, formaldehyde and urea is 477kg, then by fulvic acid
Potassium, formaldehyde and urea in mass ratio 0.4：65：280 ratios, add in reactor and reacted by watery fusion into fulvic acid ureaformaldehyde
Liquid, melting temperature are 115-125 DEG C, obtain fulvic acid ureaformaldehyde liquid；
C, the preparation of high tower fulvic acid ureaformaldehyde composite fertilizer：The fulvic acid ureaformaldehyde liquid that step B is obtained is added to step A
High tower one-level mixing channel in primary mixes material carry out double chelatings at a high speed, overflow afterwards, which enters in high tower two level mixing channel, to be carried out
Mixing, the temperature for controlling high tower two level mixing channel is 110-120 DEG C, mixing speed 65-75r/min, will mix later material
Hydrorrhea, which flows into mulser and carries out being milled to mesh number of milling, to be reached more than 800 mesh, it is therefore an objective to various elements are balanced to each particle,
It is placed in vertical positive and negative rotation comminutor and sprays after milling, the principle being condensed using the height of high tower and fulvic acid ureaformaldehyde moment
Freely land and be cooled to particle；Gained particle is entered and cooled down using dehumidifying cold wind convolution cooler, the thing after cooling
Material temperature degree is 38-40 DEG C, screened, selects mesh number to obtain 1000kg high tower fulvic acid ureaformaldehydes in the particle of 2.5-4.5 purposes
Composite fertilizer.Being granulated, being granulated again after crushing more than 4.5 mesh again below 2.5 mesh.
After obtained 1000kg high tower fulvic acid ureaformaldehyde compound fertilizer coating anti-caking agent, you can be packaged to be high tower Huang
Rotten sour ureaformaldehyde complex fertilizer product.
Embodiment 5 prepares 1000kg high tower fulvic acid ureaformaldehydes composite fertilizer
A, the preparation of primary mixes material：Raw material is weighed with electronics batcher, weighs the MAP 130kg of P >=55%,
The potassium sulfate 270kg of K >=52%, ammonium sulfate 110kg, cyclodextrin 0.5kg, phytoenzyme 0.2kg, selenium fertilizer 1.1kg, zinc fertilizer 1.4kg,
It is placed in high tower one-level mixing channel and mixes after crushing, the temperature for controlling high tower one-level mixing channel is 100-125 DEG C, and mixing speed is
55-85r/min, obtain primary mixes material；
B, the preparation of fulvic acid ureaformaldehyde liquid：The total amount of potassium fulvate, formaldehyde and urea is 486.8kg, then will be yellow rotten
Sour potassium, formaldehyde and urea in mass ratio 0.3：66：300 ratios, add in reactor and reacted by watery fusion into fulvic acid urea
Aldehyde liquid, melting temperature are 115-125 DEG C, obtain fulvic acid ureaformaldehyde liquid；
C, the preparation of high tower fulvic acid ureaformaldehyde composite fertilizer：The fulvic acid ureaformaldehyde liquid that step B is obtained is added to step A
High tower one-level mixing channel in primary mixes material carry out double chelatings at a high speed, overflow afterwards, which enters in high tower two level mixing channel, to be carried out
Mixing, the temperature for controlling high tower two level mixing channel is 110-120 DEG C, mixing speed 65-75r/min, will mix later material
Hydrorrhea, which flows into mulser and carries out being milled to mesh number of milling, to be reached more than 800 mesh, it is therefore an objective to various elements are balanced to each particle,
It is placed in vertical positive and negative rotation comminutor and sprays after milling, the principle being condensed using the height of high tower and fulvic acid ureaformaldehyde moment
Freely land and be cooled to particle；Gained particle is entered and cooled down using dehumidifying cold wind convolution cooler, the thing after cooling
Material temperature degree is 38-40 DEG C, screened, selects mesh number to obtain 1000kg high tower fulvic acid ureaformaldehydes in the particle of 2.5-4.5 purposes
Composite fertilizer.Being granulated, being granulated again after crushing more than 4.5 mesh again below 2.5 mesh.
After obtained 1000kg high tower fulvic acid ureaformaldehyde compound fertilizer coating anti-caking agent, you can be packaged to be high tower Huang
Rotten sour ureaformaldehyde complex fertilizer product.
Embodiment 6 prepares 1000kg high tower fulvic acid ureaformaldehydes composite fertilizer
A, the preparation of primary mixes material：Raw material is weighed with electronics batcher, weighs the MAP 180kg of P >=55%,
The potassium sulfate 230kg of K >=52%, ammonium sulfate 140kg, cyclodextrin 0.3kg, phytoenzyme 0.4kg, selenium fertilizer 1.4kg, zinc fertilizer 1.3kg,
It is placed in high tower one-level mixing channel and mixes after crushing, the temperature for controlling high tower one-level mixing channel is 100-125 DEG C, and mixing speed is
55-85r/min, obtain primary mixes material；
B, the preparation of fulvic acid ureaformaldehyde liquid：The total amount of potassium fulvate, formaldehyde and urea is 446.6kg, then will be yellow rotten
Sour potassium, formaldehyde and urea in mass ratio 0.4：70：280 ratios, add in reactor and reacted by watery fusion into fulvic acid urea
Aldehyde liquid, melting temperature are 115-125 DEG C, obtain fulvic acid ureaformaldehyde liquid；
C, the preparation of high tower fulvic acid ureaformaldehyde composite fertilizer：The fulvic acid ureaformaldehyde liquid that step B is obtained is added to step A
High tower one-level mixing channel in primary mixes material carry out double chelatings at a high speed, overflow afterwards, which enters in high tower two level mixing channel, to be carried out
Mixing, the temperature for controlling high tower two level mixing channel is 110-120 DEG C, mixing speed 65-75r/min, will mix later material
Hydrorrhea, which flows into mulser and carries out being milled to mesh number of milling, to be reached more than 800 mesh, it is therefore an objective to various elements are balanced to each particle,
It is placed in vertical positive and negative rotation comminutor and sprays after milling, the principle being condensed using the height of high tower and fulvic acid ureaformaldehyde moment
Freely land and be cooled to particle；Gained particle is entered and cooled down using dehumidifying cold wind convolution cooler, the thing after cooling
Material temperature degree is 38-40 DEG C, screened, selects mesh number to obtain 1000kg high tower fulvic acid ureaformaldehydes in the particle of 2.5-4.5 purposes
Composite fertilizer.Being granulated, being granulated again after crushing more than 4.5 mesh again below 2.5 mesh.
After obtained 1000kg high tower fulvic acid ureaformaldehyde compound fertilizer coating anti-caking agent, you can be packaged to be high tower Huang
Rotten sour ureaformaldehyde complex fertilizer product.
Embodiment 7 prepares 1000kg high tower fulvic acid ureaformaldehydes composite fertilizer
A, the preparation of primary mixes material：Raw material is weighed with electronics batcher, weighs the MAP 230kg of P >=55%,
The potassium sulfate 330kg of K >=52%, ammonium sulfate 150kg, cyclodextrin 0.4kg, phytoenzyme 0.5kg, selenium fertilizer 1.2kg, zinc fertilizer 1.1kg,
It is placed in high tower one-level mixing channel and mixes after crushing, the temperature for controlling high tower one-level mixing channel is 100-125 DEG C, and mixing speed is
55-85r/min, obtain primary mixes material；
B, the preparation of fulvic acid ureaformaldehyde liquid：The total amount of potassium fulvate, formaldehyde and urea is 286.8kg, then will be yellow rotten
Sour potassium, formaldehyde and urea in mass ratio 0.5：55：260 ratios, add in reactor and reacted by watery fusion into fulvic acid urea
Aldehyde liquid, melting temperature are 115-125 DEG C, obtain fulvic acid ureaformaldehyde liquid；
C, the preparation of high tower fulvic acid ureaformaldehyde composite fertilizer：The fulvic acid ureaformaldehyde liquid that step B is obtained is added to step A
High tower one-level mixing channel in primary mixes material carry out double chelatings at a high speed, overflow afterwards, which enters in high tower two level mixing channel, to be carried out
Mixing, the temperature for controlling high tower two level mixing channel is 110-120 DEG C, mixing speed 65-75r/min, will mix later material
Hydrorrhea, which flows into mulser and carries out being milled to mesh number of milling, to be reached more than 800 mesh, it is therefore an objective to various elements are balanced to each particle,
It is placed in vertical positive and negative rotation comminutor and sprays after milling, the principle being condensed using the height of high tower and fulvic acid ureaformaldehyde moment
Freely land and be cooled to particle；Gained particle is entered and cooled down using dehumidifying cold wind convolution cooler, the thing after cooling
Material temperature degree is 38-40 DEG C, screened, selects mesh number to obtain 1000kg high tower fulvic acid ureaformaldehydes in the particle of 2.5-4.5 purposes
Composite fertilizer.Being granulated, being granulated again after crushing more than 4.5 mesh again below 2.5 mesh.
After obtained 1000kg high tower fulvic acid ureaformaldehyde compound fertilizer coating anti-caking agent, you can be packaged to be high tower Huang
Rotten sour ureaformaldehyde complex fertilizer product.
2nd, application experiment
1st, the effect experiment to corn
(1) test material
In June, 2015-October, tested in Ningjin County of Hebei province, be loam for examination soil, the basic soil sample before experiment
Smooth rear collection is being turned over, is completing partition preparation.
The main agrochemical property of soil：Organic matter 1.34%, full nitrogen 0.118%, alkali-hydrolyzable nitrogen 63.20mg/kg, rapid available phosphorus
34.58mg/kg, available potassium 67.89mg/kg, preceding crop are more winter wheat.
For trying crop varieties：Corn variety is Zheng Dan 958.
For trying fertilizer：1. high tower fulvic acid ureaformaldehyde composite fertilizer of the present invention；(2. composition is urine to high tower ureaformaldehyde slow-release compound fertilizer
Element, MAP, potassium chloride, formaldehyde, additive)；3. potassium fulvate, high tower ureaformaldehyde composite fertilizer (potassium fulvate not with urea,
Formaldehyde is melted together, but after ureaformaldehyde synthesis, potassium fulvate is directly added into, or urea-formaldehyde fertilizer and potassium fulvate is straight
Connect mixing)；4. common fertilizer (such as urea).
(2) test method
Experiment sets 5 processing, respectively blank control (do not apply fertilizer-be used as and calculate utilization rate of fertilizer), 1. high tower fulvic acid
The processing of ureaformaldehyde composite fertilizer, the 2. processing of high tower ureaformaldehyde slow-release compound fertilizer, 3. potassium fulvate, high tower ureaformaldehyde composite fertilizer are handled, 4.
Common fertilizer (such as urea).
Experiment uses field experiment, and RANDOMIZED BLOCK DESIGN, dose is 45kg/667m2, it is repeated 3 times, field planting is close
Spend 60000 plants/hm2, line-spacing 67cm, per the row of cell 8, plot area 34m2。
(3) experimental result
Summer corn is grown and the influence of yield composition
Table 1
As can be seen from Table 1, by applying the high tower fulvic acid ureaformaldehyde composite fertilizer of the present invention in yield, biomass, thousand
It is more preferable than other existing effect of fertilizer on grain weight, grain number per spike.
2nd, the effect experiment to apple
For trying crop varieties：From the apple of Yantai Qixia.
For trying fertilizer：1. high tower fulvic acid ureaformaldehyde composite fertilizer of the present invention；(2. composition is urine to high tower ureaformaldehyde slow-release compound fertilizer
Element, MAP, potassium chloride, formaldehyde, additive)；3. potassium fulvate, high tower ureaformaldehyde composite fertilizer (potassium fulvate not with urea,
Formaldehyde is melted together, but after ureaformaldehyde synthesis, potassium fulvate is directly added into, or urea-formaldehyde fertilizer and potassium fulvate is straight
Mixing is connect, such as by urea, MAP, potassium chloride, potassium fulvate, filler respectively with material at the top of elevator lifting to high tower
In storehouse, urea is sent into fusion tank, after heating by overflow in mixing channel with MAP, potassium chloride, potassium fulvate, filling
Agent carries out mixture, and sprinkling pelleting, cooling screening, packaging are carried out subsequently into comminutor)；4. common fertilizer (such as urea).
(2) test method
Experiment sets 5 processing, respectively blank control (do not apply fertilizer-be used as and calculate utilization rate of fertilizer), 1. high tower fulvic acid
The processing of ureaformaldehyde composite fertilizer, the 2. processing of high tower ureaformaldehyde composite fertilizer, 3. rotten sour potassium, 4. high tower ureaformaldehyde composite fertilizer, common fertilizer
(such as urea).
Experiment is tested using greenhouse, and RANDOMIZED BLOCK DESIGN, dose is 400 pounds/acre.
(3) experimental result
Table 2
As can be seen from Table 2, by applying the high tower fulvic acid ureaformaldehyde composite fertilizer of the present invention in yield, the quality of apple
On it is more preferable than other existing effect of fertilizer.
3rd, the effect experiment to cucumber
For trying fertilizer：1. high tower fulvic acid ureaformaldehyde composite fertilizer of the present invention；(2. composition is urine to high tower ureaformaldehyde slow-release compound fertilizer
Element, MAP, potassium chloride, formaldehyde, additive)；3. potassium fulvate, high tower ureaformaldehyde composite fertilizer (potassium fulvate not with ureaformaldehyde
Reaction is carried out simultaneously, but after ureaformaldehyde synthesis, potassium fulvate is directly added into, or urea-formaldehyde fertilizer and potassium fulvate is directly mixed
Close)；4. common fertilizer (such as urea).
(2) test method
Experiment sets 5 processing, respectively blank control (do not apply fertilizer-be used as and calculate utilization rate of fertilizer), 1. high tower fulvic acid
The processing of ureaformaldehyde composite fertilizer, 2. high tower ureaformaldehyde composite fertilizer handles 3. potassium fulvate, 4. high tower ureaformaldehyde composite fertilizer, common fertilizer
(such as urea).
Experiment is tested using greenhouse, and RANDOMIZED BLOCK DESIGN, dose is 400 pounds/acre.
(3) experimental result
Table 3
As can be seen from Table 3, by applying the quality improving of high tower fulvic acid ureaformaldehyde composite fertilizer of the invention in cucumber
On it is more preferable than other existing effect of fertilizer.
In summary, the method that high tower fulvic acid ureaformaldehyde composite fertilizer is prepared using the present invention is simple to operation, more favourable
In the performance of fertilizer efficiency and the utilization of each composition, the high tower fulvic acid ureaformaldehyde composite fertilizer of preparation to the growing way of crops or fruits and vegetables,
Quality improves significantly, and can increase production, increase income, and improves fruit-setting rate, increases the resistance and resistance against diseases of crop, due to yellow rotten
Sour potassium and urea and the common melting operation of formaldehyde, the strict amount ratio for controlling three, control are milled more than the mesh of mesh number 800, nothing
Other additives need to be mixed again, and the dispersiveness of particle and the tack of storeroom can be ensured by being granulated, due to potassium fulvate and urine
The common melting operation of element and formaldehyde, and add in phosphorus, potassium raw material cyclodextrin and phytoenzyme, by with selenium fertilizer and zinc fertilizer
Combination, then overall mixing again, ensure that the loss that nutrient and trace element will not be too early, and cause between trace element
It is well mixed, be not in local trace element poisoning or the local state for extremely lacking trace element in application；And
If first preparing ureaformaldehyde, the mode that is then simply mixed again with potassium fulvate, phosphorus raw material, potassium raw material etc. can cause composition
Volatilization, storeroom poor adhesive force, easily cause composition to disperse uneven, local trace element poisoning in particle or burn, seek
Foster ingredients from lossing is fast, and fertilizer efficiency utilization rate is low, and these are also confirmed in above-mentioned experiment.
Claims (7)
1. a kind of high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology, is produced using high-tower granulation, it is characterised in that including following
Step：
A, the preparation of primary mixes material：Take the MAP of P >=55%, the potassium sulfate of K >=52%, ammonium sulfate, cyclodextrin, plant
Thing enzyme, selenium fertilizer, zinc fertilizer, are placed in high tower one-level mixing channel after crushing and mix, obtain primary mixes material；
B, the preparation of fulvic acid ureaformaldehyde liquid：Potassium fulvate, formaldehyde and urea are pressed into (0.2-0.5)：(50-70)：(250-350)
Mass ratio, add reactor in by watery fusion react into fulvic acid ureaformaldehyde liquid, obtain fulvic acid ureaformaldehyde liquid；
C, the preparation of high tower fulvic acid ureaformaldehyde composite fertilizer：The fulvic acid ureaformaldehyde liquid that step B is obtained is added to step A height
Double chelatings are carried out in tower one-level mixing channel with primary mixes material, overflow afterwards enters to be mixed in high tower two level mixing channel, will
Mix later feed liquid overflow and enter mulser and milled, be placed in comminutor and spray after milling, freely land and be cooled to particle；
Gained particle is cooled down, the temperature of charge after cooling is controlled at 35-45 DEG C, screened, obtains high tower fulvic acid urea
Formaldehyde composite fertilizer.
A kind of 2. high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology according to claim 1, it is characterised in that step A
In the preparation of primary mixes material, to account in terms of high tower fulvic acid ureaformaldehyde composite fertilizer quality, the MAP of P >=55% is weighed
10-25%, the potassium sulfate 20-35% of K >=52%, ammonium sulfate 10-15%, cyclodextrin 0.01-0.05%, phytoenzyme 0.01-
0.05%, selenium fertilizer 0.1-0.15%, zinc fertilizer 0.1-0.15%.
3. a kind of high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology according to claim 1, it is characterised in that control is high
The temperature of tower one-level mixing channel and high tower two level mixing channel is 100-125 DEG C, and mixing speed is 55-85r/min.
A kind of 4. high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology according to claim 1, it is characterised in that control step
The melting temperature that watery fusion reacts in rapid B is 110-130 DEG C.
A kind of 5. high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology according to claim 1, it is characterised in that control step
Later feed liquid overflow is mixed in rapid C enter the mesh number of milling that mulser is milled reach more than 800 mesh.
A kind of 6. high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology according to claim 1, it is characterised in that screening
When, the material after cooling is sieved with the sieve of 2.5-4.5 mesh, selection mesh number is high tower Huang for the particle of 2.5-4.5 mesh
Fu Suan ureaformaldehydes composite fertilizer.
A kind of 7. high tower fulvic acid ureaformaldehyde composite fertilizer preparation technology according to claim 1, it is characterised in that step C
After obtained high tower fulvic acid ureaformaldehyde compound fertilizer coating anti-caking agent, you can be packaged to be high tower fulvic acid ureaformaldehyde composite fertilizer
Product.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108101647A (en) * | 2017-12-29 | 2018-06-01 | 广东拉多美化肥有限公司 | A kind of preparation method of humic acid potassium ureaformaldehyde composite fertilizer |
| CN108164353A (en) * | 2017-12-29 | 2018-06-15 | 广东拉多美化肥有限公司 | A kind of humic acid potassium ureaformaldehyde composite fertilizer and preparation method thereof |
| CN110386848A (en) * | 2018-04-18 | 2019-10-29 | 吉林澳佳农业科技有限公司 | A kind of humic urea formaldehyde sustained release chelating fertilizer and preparation method and application |
| CN116789469A (en) * | 2023-08-22 | 2023-09-22 | 中北大学 | Reaction extrusion preparation process of weathered coal humic acid/urea formaldehyde compound and fertilization method |
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| CN101781134A (en) * | 2009-01-15 | 2010-07-21 | 张博哲 | Tower-smelt organic-inorganic compound fertilizer and preparation method thereof |
| CN102701846A (en) * | 2012-05-28 | 2012-10-03 | 徐州市芭田生态有限公司 | Method for controlling content of biuret in compound fertilizers for melt granulation in prilling tower |
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| CN108164353A (en) * | 2017-12-29 | 2018-06-15 | 广东拉多美化肥有限公司 | A kind of humic acid potassium ureaformaldehyde composite fertilizer and preparation method thereof |
| CN110386848A (en) * | 2018-04-18 | 2019-10-29 | 吉林澳佳农业科技有限公司 | A kind of humic urea formaldehyde sustained release chelating fertilizer and preparation method and application |
| CN116789469A (en) * | 2023-08-22 | 2023-09-22 | 中北大学 | Reaction extrusion preparation process of weathered coal humic acid/urea formaldehyde compound and fertilization method |
| CN116789469B (en) * | 2023-08-22 | 2023-12-01 | 中北大学 | Reaction extrusion preparation process of weathered coal humic acid/urea formaldehyde compound and fertilization method |
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Application publication date: 20171201 |