CN108546217A - Organic fertilizer and preparation method thereof based on useless decolorising agent - Google Patents
Organic fertilizer and preparation method thereof based on useless decolorising agent Download PDFInfo
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- CN108546217A CN108546217A CN201810807566.3A CN201810807566A CN108546217A CN 108546217 A CN108546217 A CN 108546217A CN 201810807566 A CN201810807566 A CN 201810807566A CN 108546217 A CN108546217 A CN 108546217A
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- Prior art keywords
- useless
- decolorising agent
- organic fertilizer
- urea
- sheep manure
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
A kind of organic fertilizer based on useless decolorising agent, composition of raw materials include:Useless decolorising agent 70 80, sheep manure 20 30, urea 7.5 9.5, urease inhibitor 0.008 0.015.Containing full nitrogen 0.36% 0.41%, P in the useless decolorising agent2O50.79% 0.83%, K2O 0.35% 0.40%, organic carbon >=55%.The preparation method of organic fertilizer of the present invention includes:The decolorising agent that gives up is pre-processed, sheep manure pretreatment, urea pretreatment, is pre-mixed, mixing and granulation.The organic fertilizer primary raw material of the present invention is useless decolorising agent, it is therefore prevented that the useless random heap of decolorising agent is rivals in a contest serious consequence caused by the pollution or spontaneous combustion of soil;The present invention is scientifically and rationally equipped with sheep manure, urea and urease inhibitor, realizes microorganism, carbon-nitrogen ratio and the carbon of organic fertilizer, the relative equilibrium of nitrogen release;Investment of production equipment of the present invention is small, easy to operate, and production cost is low, good in economic efficiency.
Description
Technical field
The invention belongs to organic fertilizer technical fields, and in particular to prepare organic fertilizer and preparation method thereof using useless decolorising agent.
Background technology
Useless decolorising agent is the rejectable waste of generation during vegetable oil refining, typically constitutes from 3% or so of oil and fat refining amount.Closely
Nian Lai, 30,000,000 tons or so of China's edible oil annual consumption imply the annual useless decolorising agent for generating 900,000 tons or so.According to decoloration
Technique is different, oil-containing 20%-30% in generally useless decolorising agent.Useless decolorising agent at relatively high temperatures can spontaneous combustion, if straight without processing
Run in put and will pollute environment.Currently, large and medium-sized oil and fat refining enterprise be all made of after recycling grease remake articles for washing, feed,
The auxiliary materials processing and utilization such as fertilizer, cement, solves the problem of environmental pollution of useless decolorising agent substantially.And plurality of small-sized grease
Processing factory is due to the useless decolorising agent negligible amounts that respectively generate, and unmanned recovery processing, generally cancels the ring of decolorising agent without strength
Guarantor is handled, and for anti-spontaneous combustion, is handled as waste melt pit burial, is so on the one hand led to the wasting of resources, on the other hand cause ring
It pollutes in border.CN201410455062 discloses a kind of biological organic fertilizer and the method using spent bleaching clay slag production biological organic fertilizer,
The technology is former by spent bleaching clay slag and mycoprotein, activated carbon, dregs of beans, humic acid, amino-acid nutrition liquid, bioactivity microbial inoculum etc.
Material assembly is at a kind of biological organic fertilizer.CN201710299601 discloses a kind of biological organic fertilizer based on spent bleaching clay and its answers
With CN201710299754 discloses multifunctional biological fertilizer and its application, and above-mentioned two pieces document is disclosed spent bleaching clay
Slag is with humic acid, composite bacteria liquid, complex enzyme, aluminium-magnesium silicate and plant growth regulator or function additive with synthesis organic fertilizer.It is existing
There is technology to have some limitations the processing for the decolorising agent that gives up.On the one hand, the decolorising agent of grease-decolor is not limited to one kind
Carclazyte decolorising agent, through being combined frequently with different decolorising agents when for different grease-decolors, and simultaneously special white-clay is a kind of, also
The a variety of and composite decoloring agents such as activated carbon, silicon bath soil, attapulgite.On the other hand, give up decolorising agent after various decolorising agent combinations
Chemical composition it is naturally different, targetedly can be only achieved and make the best use of everything using useless decolorising agent, could by useless decolorising agent it is low at
Local is abundant, efficiently uses.
Invention content
In view of the deficienciess of the prior art, the object of the present invention is to provide a kind of organic fertilizer based on useless decolorising agent and its
Preparation method, it is intended to for the characteristics of nutritional ingredient, decolorising agent is prepared at low cost as primary raw material to give up contained by useless decolorising agent
At organic fertilizer, solve the problems, such as that existing small-sized oil and fat refining enterprise is difficult to useless decolorising agent processing, pollutes environment.
To achieve the above object, present invention employs following technical solutions.
A kind of organic fertilizer based on useless decolorising agent, by weight, the composition of raw materials of the organic fertilizer includes:Useless decolorising agent
70-80, sheep manure 20-30, urea 7.5-9.5, urease inhibitor 0.008-0.015.
Contain full nitrogen 0.36%-0.41%, P in the useless decolorising agent2O50.79%-0.83%, K2It is O 0.35%-0.40%, organic
Carbon >=55%, to dry in terms of base.
Contain full nitrogen 0.7%-0.8%, P in the sheep manure2O50.45%-0.6%, K2O 0.4%-0.5%, organic matter 24%-
27%, to dry in terms of base.
Urea nitrogen content >=45%.
The urease inhibitor is commercially available normal-butyl thiophosphoryl triamine(NBPT).
The preparation method of the organic fertilizer based on useless decolorising agent of the present invention, includes the following steps:
(1)Useless decolorising agent pretreatment squeezes the useless decolorising agent just released from filter immediately while hot, makes the Residual oil of useless decolorising agent
Rate is spare less than 15%;
(2)Sheep manure pretreatment takes sheep manure of the water content less than 20% to crushed 20 mesh sieve;
(3)Granular urea crushed 20 mesh sieve by urea pretreatment;
(4)Premix 7.5-9.5 parts of conjunction(3)Urea and 0.008-0.015 a part urease inhibitor for processing is poured into blender and is mixed
It closes uniformly, it is spare;
(5)Mixing takes 70-80 parts of warps(1)Pretreated useless decolorising agent, 20-30 parts of warps(2)Pretreated sheep manure and warp(4)In advance
Mixed urea and urease inhibitor, input stirrer for mixing is uniform, and organic fertilizer powder is made, spare;
(6)Being granulated will(5)Mixed organic fertilizer powder input comminutor causes granular organic fertilizer.
For organic fertilizer of the present invention to digest useless decolorising agent as the main purpose, useless proportion of the decolorising agent in organic fertilizer accounts for three points
Two, addition animal wastes are there are two purpose, first, to increase the content of microorganisms of organic fertilizer, used in fermenting after being manured into soil
It works, second is that increasing the humidity and increase products degree of organic fertilizer, prevents the spontaneous combustion of organic fertilizer.It is since sheep manure contains to add sheep manure
Water is relatively low, can directly crush as filling, saves dry link, reduces organic fertilizer cost of manufacture.Based on useless decolorising agent
The content of organic matter of organic fertilizer is high, and carbon-nitrogen ratio is high, to balance carbon-nitrogen ratio, uses and adds relatively long-acting urea.To inhibit
Urase is added to urease inhibitor normal-butyl thiophosphoryl triamine to the fast decoupled of urea(NBPT).By above-mentioned science
The fair share of components matching and Related Component matches, and is meeting The Ministry of Agriculture of the People's Republic of China, MOA professional standard NY525-
Under the premise of 2012 technical indicator, at the same realize microorganism, carbon-nitrogen ratio and the carbon of organic fertilizer, nitrogen release it is opposite
Balance, and production cost is dropped into alap level.
Organic matter is contained using organic fertilizer prepared by the method for the present invention(To dry in terms of base)>=70%, total nutrient(Nitrogen+five aoxidizes
Two phosphorus+potassium oxide)(To dry in terms of base)>=5%, moisture(Fresh sample)≤ 8%, acid-base value(PH)6.5-8 meets Chinese people's republicanism
The technical indicator of the Ministry of Agriculture of state professional standard NY525-2012:Quality of organic matter score(To dry in terms of base)>=45, total nutrient
(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)>=5.0, moisture(Fresh sample)Mass fraction≤30, acid
Basicity(PH)5.5-8.5.
Organic fertilizer carbon/the nitrogen prepared using the method for the present invention belongs to the lower organic fertilizer of carbon-nitrogen ratio between 10-15, fits
It is suitable for the growing plant for promoting cauline leaf to use.
Beneficial effects of the present invention:(1)The primary raw material of organic fertilizer is exactly useless decolorising agent, it is therefore prevented that the random heap of useless decolorising agent
It is rivals in a contest serious consequence caused by the pollution or spontaneous combustion of soil.(2)The organic fertilizer of the present invention is using useless decolorising agent as main component, science
It is reasonably equipped with sheep manure, urea and urease inhibitor, realizes microorganism, carbon-nitrogen ratio and carbon, the nitrogen release of organic fertilizer
Relative equilibrium.(3)Useless waste of the decolorising agent as oil and fat refining, waste utilization is cheap, and useless decolorising agent accounts for organic fertilizer
65% or more of total amount can reduce the cost of organic fertilizer.(4)The present invention production organic fertilizer the content of organic matter reach 70% with
On, considerably beyond the standard for being more than or equal to 45% as defined in professional standard NY525-2012, quality belongs to high-quality organic fertilizer.
(5)It mainly crushes, mix and is granulated in the production process of the present invention, required device is all common in existing industry, equipment
Invest it is small, it is simple to operate.
Specific implementation mode
The useless decolorising agent just released from filter is squeezed immediately while hot first, the residual oil content for detecting the decolorising agent that gives up is
13.8%, full nitrogen 0.389%, P2O50.812%, K2O 0.365%, organic carbon 57.6%, to dry in terms of base, moisture 1.1%.Secondly
It is that 17.6% sheep manure crushed 20 mesh sieve to take water content, and detection sheep manure contains full nitrogen 0.77%, P2O5 0.51%, K2O 0.46%、
Organic matter 25.6%, to dry in terms of base.The granular urea that commercially available nitrogen content is 46% be crushed into 20 mesh sieve again, purchase urase
Inhibitor(Normal-butyl thiophosphoryl triamine).The organic fertilizer based on useless decolorising agent is prepared using above-mentioned raw materials.
Embodiment 1
By weight, 7.5 kilograms of urea and 8 grams of commercially available normal-butyl thiophosphoryl triamines are taken, it is uniform to pour into stirrer for mixing,
It is spare.70 kilograms of useless decolorising agents, 20 kilograms of sheep manures and above-mentioned 7.508 mixed kilogram urea and urease inhibitor is taken to mix again
Object, input stirrer for mixing is uniform, organic fertilizer powder is made, then through being granulated the granular organic fertilizer to get 97.508 kilograms.It should
Organic fertilizer contains total nutrient(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)It is 5.02%, the matter of organic matter
Measure score(To dry in terms of base)It is 76.5%, moisture(Fresh sample)It is 4.4%, pH value 7.6 meets The Ministry of Agriculture of the People's Republic of China, MOA's row
The technical indicator of industry standard NY525-2012:Quality of organic matter score(To dry in terms of base)>=45, total nutrient(The oxidation of nitrogen+five two
Phosphorus+potassium oxide)Mass fraction(To dry in terms of base)>=5.0, moisture(Fresh sample)Mass fraction≤30, acid-base value(PH)5.5-
8.5。
Embodiment 2
By weight, 9.5 kilograms of urea and 15 grams of commercially available normal-butyl thiophosphoryl triamines are taken, it is equal to pour into stirrer for mixing
It is even, it is spare.80 kilograms of useless decolorising agents, 30 kilograms of sheep manures and above-mentioned 9.515 mixed kilogram urea and urease inhibitor are taken again
Mixture, input stirrer for mixing is uniform, organic fertilizer powder is made, then organic to get 119.515 kilograms of particle through being granulated
Fertilizer.The organic fertilizer contains total nutrient(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)It is 5.14%, organic matter
Mass fraction(To dry in terms of base)It is 72.91%, moisture(Fresh sample)It is 5.15%, pH value 7.6 meets People's Republic of China's agriculture
The technical indicator of industry portion professional standard NY525-2012.
Embodiment 3
By weight, 8.5 kilograms of urea and 15 grams of commercially available normal-butyl thiophosphoryl triamines are taken, it is equal to pour into stirrer for mixing
It is even, it is spare.70 kilograms of useless decolorising agents, 30 kilograms of sheep manures and above-mentioned 8.515 mixed kilogram urea and urease inhibitor are taken again
Mixture, input stirrer for mixing is uniform, organic fertilizer powder is made, then organic to get 108.515 kilograms of particle through being granulated
Fertilizer.The organic fertilizer contains total nutrient(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)It is 5.09%, organic matter
Mass fraction(To dry in terms of base)It is 71.13%, moisture(Fresh sample)It is 5.58%, pH value 7.6 meets People's Republic of China's agriculture
The technical indicator of industry portion professional standard NY525-2012.
Embodiment 4
By weight, 9 kilograms of urea and 10 grams of commercially available normal-butyl thiophosphoryl triamines are taken, it is uniform to pour into stirrer for mixing,
It is spare.80 kilograms of useless decolorising agents, 20 kilograms of sheep manures and above-mentioned 9.01 mixed kilogram urea and urease inhibitor is taken to mix again
Object, input stirrer for mixing is uniform, organic fertilizer powder is made, then through being granulated the granular organic fertilizer to get 109.01 kilograms.It should
Organic fertilizer contains total nutrient(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)It is 5.27%, the matter of organic matter
Measure score(To dry in terms of base)It is 77.57%, moisture(Fresh sample)It is 4.04%, pH value 7.6 meets The Ministry of Agriculture of the People's Republic of China, MOA
The technical indicator of professional standard NY525-2012.
Embodiment 5
By weight, 8.8 kilograms of urea and 10 grams of commercially available normal-butyl thiophosphoryl triamines are taken, it is equal to pour into stirrer for mixing
It is even, it is spare.Take 75 kilograms of useless decolorising agents, 25 kilograms of sheep manures and above-mentioned 8.81 mixed kilogram urea and urease inhibitor mixed again
Object is closed, input stirrer for mixing is uniform, organic fertilizer powder is made, then through being granulated the granular organic fertilizer to get 108.81 kilograms.
The organic fertilizer contains total nutrient(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)It is 5.20%, organic matter
Mass fraction(To dry in terms of base)It is 74.33%, moisture(Fresh sample)It is 4.80%, pH value 7.6 meets People's Republic of China's agricultural
The technical indicator of portion professional standard NY525-2012.
Claims (5)
1. a kind of organic fertilizer based on useless decolorising agent, by weight, which is characterized in that the composition of raw materials of the organic fertilizer includes:
Useless decolorising agent 70-80, sheep manure 20-30, urea 7.5-9.5, urease inhibitor 0.008-0.015.
2. the organic fertilizer according to claim 1 based on useless decolorising agent, preparation method include the following steps:
(1)Useless decolorising agent pretreatment squeezes the useless decolorising agent just released from filter immediately while hot, makes the Residual oil of useless decolorising agent
Rate is spare less than 15%;
(2)Sheep manure pretreatment takes sheep manure of the water content less than 20% to crushed 20 mesh sieve;
(3)Granular urea crushed 20 mesh sieve by urea pretreatment;
(4)Premix 7.5-9.5 parts of conjunction(3)Urea and 0.008-0.015 a part urease inhibitor for processing is poured into blender and is mixed
It closes uniformly, it is spare;
(5)Mixing takes 70-80 parts of warps(1)Pretreated useless decolorising agent, 20-30 parts of warps(2)Pretreated sheep manure and warp(4)In advance
Mixed urea and urease inhibitor, input stirrer for mixing is uniform, and organic fertilizer powder is made, spare;
(6)Being granulated will(5)Mixed organic fertilizer powder input comminutor causes granular organic fertilizer.
3. the organic fertilizer according to claim 1 based on useless decolorising agent, which is characterized in that containing complete in the useless decolorising agent
Nitrogen 0.36%-0.41%, P2O50.79%-0.83%, K2O 0.35%-0.40%, organic carbon >=55%, to dry in terms of base.
4. the organic fertilizer according to claim 1 based on useless decolorising agent, which is characterized in that contain full nitrogen in the sheep manure
0.7%-0.8%、P2O50.45%-0.6%, K2O 0.4%-0.5%, organic matter 24%-27%, to dry in terms of base.
5. the organic fertilizer according to claim 1 based on useless decolorising agent, which is characterized in that the urease inhibitor is city
The normal-butyl thiophosphoryl triamine sold.
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Cited By (1)
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CN110790612A (en) * | 2019-12-05 | 2020-02-14 | 中国科学院兰州化学物理研究所盱眙凹土应用技术研发中心 | Method for preparing organic mineral fertilizer by using decolored waste soil as raw material |
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Application publication date: 20180918 |