CN108264395A - High calcium liquid nitrogen fertilizer and preparation method thereof - Google Patents
High calcium liquid nitrogen fertilizer and preparation method thereof Download PDFInfo
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- CN108264395A CN108264395A CN201611270154.8A CN201611270154A CN108264395A CN 108264395 A CN108264395 A CN 108264395A CN 201611270154 A CN201611270154 A CN 201611270154A CN 108264395 A CN108264395 A CN 108264395A
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- calcium
- liquid nitrogen
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
- C05C5/04—Fertilisers containing other nitrates containing calcium nitrate
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C1/00—Ammonium nitrate fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of high calcium liquid nitrogen fertilizers and preparation method thereof.High calcium liquid nitrogen fertilizer of the present invention is at least one of 35 65% calcium ammonium nitrates, calcium nitrate including mass content and mass content is 25 40% urea, and the content of water soluble oxidized calcium constituent is in 83g/l~220g/l.High calcium liquid nitrogen fertilizer of the present invention is directly compounded by the calcium sources such as urea and calcium ammonium nitrate, calcium nitrate, on the one hand it ensure that the high calcium content of liquid nitrogen fertilizer, absorbed so as to improve the selection of plant biological film, improve environment-stress anti-adversity ability, improve plant storage endurance allelotaxis.On the other hand it ensure that the stability of high calcium liquid nitrogen fertilizer system of the present invention, avoid existing calcic Liquid Fertilizer institute calcic generation precipitation and cause calcium degradation phenomena, preparation method flow is simple and easy to control, and the high calcium liquid nitrogen fertilizer fertilizer efficiency of preparation is stablized, it is easy to accomplish industrialization.
Description
Technical field
The present invention relates to technical field of fertilizers, and in particular to a kind of high calcium liquid nitrogen fertilizer and preparation method thereof.
Background technology
Liquid fertilizer, also known as fluid fertilizer, including clear liquid type, floating type and sludge-type.Due to liquid fertilizer have with
Lower advantage:
1) in production, application, transport be not in dust, smog, pollution is less；
2) moisture absorption and agglomeration problems are not present in product；
3) it can be simultaneously uniformly mixed with insecticide, fungicide, herbicide mixture；
4) it will not generate and isolate and quality is irregular in storage and transportation as solid fertilizer；
5) method of administration is various, can be applied with foliage-spray, Sui Shuichong, can also spray, trickle irrigation or pouring, easy to use,
Cost saving is produced effects fast.
Therefore, so liquid fertilizer is one of trend of world today's Growth of Chemical Fertilizer Industry.In the 1990s, the U.S. is every
The liquid fertilizer that year consumes accounts for more than the 38% of fertilizer consumption total amount.China's development liquid fertilizer is later, in recent years, due to blade face
The application of fertilizer and irrigation technique particularly drip irrigation technique, liquid fertilizer are rapidly developed.
Wherein, since calcium is the nutrient needed for plant, the selection that can improve biomembrane absorbs, improves environment-stress
Anti-adversity ability improves the effects that crop storage endurance allelotaxis.Therefore, there is the related report of calcic Liquid Fertilizer in the current country
It accuses.Such as in a kind of liquid fertilizer of open domestic wood vinegar, contain wood vinegar 50-70%, urea 10-30%, nitric acid
Calcium 0.1-2.0%, magnesium sulfate 0.1-3.0%, ferrous sulfate 0.1-3.0%, zinc sulfate 0.1-4.0%, copper sulphate 0.1-
4.0%th, sodium molybdate and ammonium molybdate 0.1-0.5%.Although containing calcium constituent in the Liquid Fertilizer, it contains a large amount of sulfuric acid
Root, one side can make calcium be converted into the calcium sulfate precipitation of crop nonabsorable, not high so as to cause its calcium content, only up to
0.48%, needs of the plant to calcium can not be met；On the other hand the unstability of liquid fertilizer disperse system is also resulted in, is influenced
Fertilizer efficiency.
Invention content
It is an object of the invention to overcome the above-mentioned deficiency of the prior art, a kind of high calcium liquid nitrogen fertilizer and its preparation side are provided
Method, it is low to solve existing calcic Liquid Fertilizer calcium content, and easy the technical issues of calcium precipitate bad phenomenon occurs.
In order to achieve the above-mentioned object of the invention, an aspect of of the present present invention provides a kind of high calcium liquid nitrogen fertilizer.The high calcium liquid
Body nitrogenous fertilizer is at least one of 35-65% calcium ammonium nitrates, calcium nitrate including mass content and mass content is 25-40% urine
Element, and the content of water soluble oxidized calcium constituent is in 83g/l~220g/l.
Another aspect of the present invention provides a kind of preparation method of high calcium liquid nitrogen fertilizer.The preparation method include with
Lower step：
Urea and calcium ammonium nitrate, calcium nitrate at least one are carried out mixing treatment, and is configured to mixed slurry；Wherein, it urinates
Element is 1 at least one mass ratio of calcium ammonium nitrate, calcium nitrate:(0.9~2.6).
Compared with prior art, high calcium liquid nitrogen fertilizer of the present invention directly passes through the calcium sources such as urea and calcium ammonium nitrate, calcium nitrate
Compounding, on the one hand ensure that the high calcium content of liquid nitrogen fertilizer, is absorbed so as to improve the selection of plant biological film, improves environment-stress
Anti-adversity ability improves plant storage endurance allelotaxis.On the other hand it ensure that the stability of high calcium liquid nitrogen fertilizer system of the present invention,
It avoids existing calcic Liquid Fertilizer institute calcic generation precipitation and causes calcium degradation phenomena.
The preparation method of high calcium liquid nitrogen fertilizer of the present invention will directly include urea and calcium ammonium nitrate, calcium nitrate at least one calcium
Source carries out dispensing and is configured to mixed slurry, so that nitrogen source contained in high calcium liquid nitrogen fertilizer system is stablized with calcium source, and
Calcium content is high.Meanwhile preparation method technological process of the present invention is simple and easy to control, the high calcium liquid nitrogen fertilizer fertilizer efficiency of preparation is stablized, and is easy to
Realize industrialization.
Specific embodiment
In order to which technical problems, technical solutions and advantageous effects to be solved by the present invention are more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
The mass ratio of Related Component noted in the disclosure of the embodiment of the present invention not only may refer to each ingredient interstitial
The proportionate relationship of amount can also represent the concrete content of each ingredient.Therefore, as long as according to specification of embodiment of the present invention correlation
The content of component is scaled up or is reduced within specification of embodiment of the present invention scope of disclosure.Specifically, it is of the invention
Embodiment quality described in the specification can be mass unit well known to the chemical fields such as μ g, mg, g, kg.
On the one hand, the embodiment of the present invention provides a kind of liquid nitrogen fertilizer of high calcium content.The high calcium liquid nitrogen fertilizer includes matter
Amount content is at least one of 35-65% calcium ammonium nitrates, calcium nitrate and mass content is 25-40% urea.In this way, this implementation
Example high calcium liquid nitrogen fertilizer is directly compounded by the calcium sources such as urea and calcium ammonium nitrate, calcium nitrate, on the one hand so that the present embodiment high calcium
The nitrogen of state containing acyl in liquid nitrogen fertilizer, nitrate nitrogen, three kinds of forms of ammonium nitrogen nitrogen, there is the available N that can be directly absorbed by plant, also have
There is the sustained release N of slow release, product is stablized, not volatile；On the other hand it ensure that the high calcium content of liquid nitrogen fertilizer, and ensure that
The stability of high calcium liquid nitrogen fertilizer system of the embodiment of the present invention avoids existing calcic Liquid Fertilizer institute calcic generation precipitation and causes calcium
Degradation phenomena.
In one embodiment, it is that the organic synergistic agent of 1-5%, quality contain that above-mentioned high calcium liquid nitrogen fertilizer, which further includes mass content,
It measures as at least one of the non-chelated trace element needed for 1-5% plants or chelated microelement.By in high calcium liquid nitrogen
Trace element is added in fertilizer, meets the needs of plant is to trace element, so as to improve the fertility of liquid nitrogen fertilizer.In an embodiment
In, which can be magnesium, zinc, iron, copper, manganese, molybdenum, boron etc..Therefore, in one embodiment, provide described non-chelated
The trace element compound of trace element is magnesium, zinc, iron, copper, manganese, molybdenum, at least one of boron trace element compound, specifically
Such as at least one of magnesia, zinc oxide, iron oxide, manganese dioxide, sodium molybdate, borax；In another embodiment, it provides
The chelated microelement compound of the chelated microelement is is chelated in the chelated microelements such as magnesium, zinc, iron, manganese, molybdenum, boron
At least one chelate compound, specifically, the chelate compound can be but be not only conventional chelate.This is slightly
Secondary element compound can in the present embodiment high calcium liquid nitrogen fertilizer stable dispersion, and ensure entire high calcium liquid nitrogen fertilizer system
Stability.
Organic synergist is added in above-mentioned high calcium liquid nitrogen fertilizer and can inhibit ammonia volatilization, enhances absorption of trace elements, so as to carry
Rise the utilization rate of fertilizer.In one embodiment, the organic synergistic agent is at least one of humic acid, amino acids.Wherein,
The humic acid can be selected but be not limited only to the rotten acid of zinc, yellow humic acid, yellow humic acid potassium etc., amino acids as but be not limited only to
Poly- aspartic acid.
On the basis of the various embodiments described above, above-mentioned high calcium liquid nitrogen fertilizer can also be with monoammonium phosphate, potassium chloride, potassium nitrate
At least one of.Wherein, the ratio that monoammonium phosphate, potassium chloride, potassium nitrate etc. are mixed with high calcium liquid nitrogen fertilizer can be basis
The requirement of composite fertilizer proportionally carries out mixed processing.By adding the elements such as phosphorus, potassium, high calcium liquid nitrogen fertilizer is further improved
Fertility so that it meets the needs of Plant To Nutrient, at this point, to be referred to as high calcium liquid compound for above-mentioned high calcium liquid nitrogen fertilizer
Fertilizer.
In addition, the high calcium liquid nitrogen fertilizer in the various embodiments described above naturally further includes solvent, which can be water.
Therefore, the high calcium liquid nitrogen fertilizer in the various embodiments described above is not only containing three kinds of acyl state nitrogen, nitrate nitrogen, ammonium nitrogen forms
Nitrogen, and moderate-element calcium content is high, it is achieved thereby that the presence that those high in calcium is stablized in Liquid Fertilizer.On this basis,
High calcium liquid nitrogen fertilizer can also form high calcium containing the trace element needed for a great number of elements such as the phosphorus needed for plant and potassium and plant
Liquid composite fertilizer.After measured, the nitrate nitrogen mass content in above-mentioned high calcium liquid nitrogen fertilizer is 5.0%~9.3%；Acyl state nitrogen quality
Content 11.5%~18.4%, (the oxidation calcium constituent refers to calculate water-soluble calcium element with calcium oxide water soluble oxidized calcium constituent
Content) mass content is in 83g/l~220g/l.In minus 8 degrees Centigrade, high calcium liquid nitrogen fertilizer, which will not saltout, generates crystallization, and system is steady
It is fixed.
On the other hand, the embodiment of the present invention additionally provides a kind of preparation method of above-mentioned high calcium liquid nitrogen fertilizer.The preparation side
Method includes the following steps：
Urea and calcium ammonium nitrate, calcium nitrate at least one are carried out mixing treatment, and is configured to mixed slurry.
Wherein, at least one mass ratio with amount of urea of calcium ammonium nitrate, calcium nitrate can above high calcium liquid nitrogen fertilizer
Described in calcium ammonium nitrate, calcium nitrate is at least one and urea ratio, such as urea and at least one quality of calcium ammonium nitrate, calcium nitrate
Than being 1:(0.9~2.6).It, can be directly by urea during urea, calcium ammonium nitrate, calcium nitrate are prepared mixed slurry
Aqueous solution, can also directly be mixed by the use of urine as raw material with calcium source compound.The calcium source calcium ammonium nitrate, calcium nitrate can be
Solid can also be its solution；Wherein, wherein, calcium nitrate can be anhydrous nitric acid calcium and/or four water-calcium nitrate.At mixing treatment
Reason can carry out mixing treatment according to the preparation method of mixed liquor.It, can be by the calcium source and nitrogen source in specific production process
Mixing treatment is carried out directly in mixing channel so that nitrogen source and calcium source are sufficiently mixed and uniformly, form stable high calcium liquid nitrogen fertilizer.
In addition, it is naturally containing solvent, such as water during the mixing treatment, in the mixture.
In one embodiment, it during the mixing treatment in above-mentioned steps, further includes and is added into the mixed slurry
The step of at least one of non-chelated trace element or chelated microelement needed for organic synergistic agent, plant.Organic increasing
Type and content, non-chelated trace element or the type that can specifically select of chelated microelement that effect agent can specifically select and
Content is as described in above high calcium liquid nitrogen fertilizer, and in order to save length, details are not described herein.Add the organic synergistic agent,
After non-chelated trace element or at least one of chelated microelement needed for plant, in company with calcium source nitrogen source compound together into
Row mixing treatment so that each ingredient is uniformly mixed.
In a further embodiment, it during the mixing treatment in above-mentioned steps, further includes into the mixed slurry
The step of adding at least one of monoammonium phosphate, potassium chloride, potassium nitrate.The monoammonium phosphate, potassium chloride, potassium nitrate concrete content
As described in above high calcium liquid nitrogen fertilizer, in order to save length, details are not described herein.Add the monoammonium phosphate, potassium chloride, nitre
After at least one of sour potassium, mixing treatment is carried out together in company with calcium source nitrogen source compound so that each ingredient is uniformly mixed.Addition
In after the monoammonium phosphate, potassium chloride, potassium nitrate, the mixed slurry of preparation is high calcium liquid composite fertilizer product.
After preparing mixed slurry, the process such as subsequent packaging can be carried out to mixed slurry.Prepared by the above method
In high calcium liquid nitrogen fertilizer, acyl state nitrogen, nitrate nitrogen, ammonium nitrogen (three nitrogen) coexist, and ammonium nitrogen and nitrate nitrogen can allow crop directly to absorb,
Urea resolves into ammonium nitrogen and is absorbed by plants again through urinating enzyme, effectively prolongs that have risen the present embodiment high calcium liquid nitrogen fertilizer institute nitrogenous in this way
Acquisition time.High calcium content meets plant to moderate-element calcium, improves the disease resistance of plant, is conducive to plant root growth.
The presence that those high in calcium is stablized in Liquid Fertilizer is realized simultaneously.In addition, the preparation method technological process is simple and easy to control, preparation
High calcium liquid nitrogen fertilizer fertilizer efficiency is stablized, it is easy to accomplish industrialization.
After measured, nitrate nitrogen content is 5.0%~9.3% in the high calcium liquid nitrogen fertilizer that prepared by the above method；Acyl state nitrogen contains
Amount 11.5%~18.4%, the content of water-soluble calcium is in 83g/l~220g/l, and in minus 8 degrees Centigrade, product will not saltout generation knot
It is brilliant.
Now by taking specific nitric acid ca and mg fertilizer and preparation method thereof as an example, the present invention will be described in further detail.
Embodiment 1
The present embodiment provides a kind of high calcium liquid nitrogen fertilizers and preparation method thereof.The high calcium liquid nitrogen fertilizer includes urea 26.49
Part, 49.2 parts of calcium nitrate, 24.31 parts of moisture.
The production method of the high calcium liquid nitrogen fertilizer includes the following steps：
By 80~90 DEG C next of temperature of urea plant, the thin urine of concentration 80wt%, reactive tank and ammonification nitre are squeezed into pump
Sour calcium (or calcium nitrate) is pre-mixed by recipe ratio；Uniformly slurry is obtained after mixing；Slurry is passed through packaging, obtains high calcium liquid nitrogen
Fertilizer product.
After testing, contain in the high calcium liquid nitrogen fertilizer prepared in the present embodiment 1 such as the ingredient and content in the following table 1：
Table 1
Embodiment 2
The present embodiment provides a kind of high calcium liquid nitrogen fertilizers and preparation method thereof.The high calcium liquid nitrogen fertilizer include 40 parts of urea,
Rotten 2 parts of the acid of 39 parts of calcium ammonium nitrate, 16 parts of moisture, 3 parts of chelated microelement, zinc.
The production method of the high calcium liquid nitrogen fertilizer includes the following steps：
By 80~90 DEG C next of temperature of urea plant, the thin urine of concentration 80wt%, reactive tank and ammonification nitre are squeezed into pump
Sour calcium is pre-mixed by recipe ratio；Uniformly addition chelated microelement (zinc, boron, manganese, molybdenum, magnesium, iron), organic synergistic agent after mixing
(the rotten acid of zinc) obtains slurry；Slurry is passed through packaging, obtains high calcium liquid nitrogen fertilizer product.
After testing, contain in the high calcium liquid nitrogen fertilizer prepared in the present embodiment 2 such as the ingredient and content in the following table 2：
Table 2
Embodiment 3
The present embodiment provides a kind of high calcium liquid nitrogen fertilizers and preparation method thereof.The high calcium liquid nitrogen fertilizer include 30 parts of urea,
40 parts of calcium ammonium nitrate, 20 parts of moisture, 5 parts of chelated microelement, 5 parts of poly- asparagus fern ammonium acid.
The production method of the high calcium liquid nitrogen fertilizer includes the following steps：
By 80~90 DEG C next of temperature of urea plant, the thin urine of concentration 80wt%, reactive tank and ammonification nitre are squeezed into pump
Sour calcium is pre-mixed by recipe ratio；Uniformly mixing after addition chelated microelement (zinc, boron, manganese, molybdenum), organic synergistic agent (poly- asparagus fern
Ammonium acid) obtain slurry；Slurry is passed through packaging, obtains high calcium liquid nitrogen fertilizer product.
After testing, contain in the high calcium liquid nitrogen fertilizer prepared in the present embodiment 3 such as the ingredient and content in the following table 3：
Table 3
Embodiment 4
The present embodiment provides a kind of high calcium liquid nitrogen fertilizers and preparation method thereof.The high calcium liquid nitrogen fertilizer include 25 parts of urea,
65 parts of calcium ammonium nitrate, 10 parts of moisture.
The production method of the high calcium liquid nitrogen fertilizer includes the following steps：
By 80~90 DEG C next of temperature of urea plant, the thin urine of concentration 80wt%, reactive tank and ammonification nitre are squeezed into pump
Sour calcium is pre-mixed to obtain slurry by recipe ratio；Slurry is passed through packaging, obtains high calcium liquid nitrogen fertilizer product.
After testing, contain in the high calcium liquid nitrogen fertilizer prepared in the present embodiment 4 such as the ingredient and content in the following table 4：
Table 4
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of high calcium liquid nitrogen fertilizer, it is characterised in that：Including mass content for 35-65% calcium ammonium nitrates, in calcium nitrate extremely
A kind of few and mass content is 25-40% urea, and the content of water soluble oxidized calcium constituent is in 83g/l~220g/l.
2. high calcium liquid nitrogen fertilizer according to claim 1, it is characterised in that：It is the organic of 1-5% to further include mass content
At least one of the non-chelated trace element or chelated microelement of synergist, mass content needed for 1-5% plants.
3. high calcium liquid nitrogen fertilizer according to claim 2, it is characterised in that：The micro of the non-chelated trace element is provided
Element compound is at least one of magnesium, zinc, iron, copper, manganese, molybdenum, boron trace element compound；
The chelated microelement compound of the chelated microelement is provided to be chelated with magnesium, zinc, iron, manganese, molybdenum, boron trace element
At least one of chelate compound；
The organic synergistic agent is humic-acid kind, at least a kind of in amino acids.
4. according to any high calcium liquid nitrogen fertilizers of claim 1-3, it is characterised in that：The high calcium liquid nitrogen fertilizer and phosphoric acid
The mixing of at least one of monoammonium, potassium chloride, potassium nitrate, is prepared into liquid composite fertilizer product.
5. a kind of production method of high calcium liquid nitrogen fertilizer, includes the following steps：
Urea and calcium ammonium nitrate, calcium nitrate at least one are carried out mixing treatment, and is configured to mixed slurry；Wherein, urea with
At least one mass ratio of calcium ammonium nitrate, calcium nitrate is 1:(0.9~2.6).
6. production method according to claim 5, it is characterised in that：It further includes and organic increasing is added into the mixed slurry
The step of at least one of non-chelated trace element or chelated microelement needed for effect agent, plant.
7. production method according to claim 6, it is characterised in that：The trace element of the non-chelated trace element is provided
Compound is at least one of magnesium, zinc, iron, copper, manganese, molybdenum, boron trace element compound；
The chelated microelement compound of the chelated microelement is provided to be chelated with magnesium, zinc, iron, manganese, molybdenum, boron trace element
At least one of chelate compound；
The organic synergistic agent is at least one of humic-acid kind, amino acids.
8. according to any production methods of claim 5-7, it is characterised in that：In the mixed slurry, water-soluble oxygen
The mass content for changing calcium constituent is 83g/l~220g/l, and nitrate nitrogen mass content is 5.0%~9.3%；Acyl state nitrogen mass content
11.5%~18.4%.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279973A (en) * | 2018-12-13 | 2019-01-29 | 山西宝田肥业有限公司 | A kind of moderate-element Water soluble fertilizer and preparation method thereof |
| CN109438136A (en) * | 2018-12-29 | 2019-03-08 | 成都云图控股股份有限公司 | A kind of calcium ammonium nitrate compound fertilizer and preparation method thereof containing nitro humus acid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109279973A (en) * | 2018-12-13 | 2019-01-29 | 山西宝田肥业有限公司 | A kind of moderate-element Water soluble fertilizer and preparation method thereof |
| CN109438136A (en) * | 2018-12-29 | 2019-03-08 | 成都云图控股股份有限公司 | A kind of calcium ammonium nitrate compound fertilizer and preparation method thereof containing nitro humus acid |
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Application publication date: 20180710 |