CN106083332A - The production method of organic composite humic fertilizer produced by a kind of potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer - Google Patents
The production method of organic composite humic fertilizer produced by a kind of potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer Download PDFInfo
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- CN106083332A CN106083332A CN201610415978.3A CN201610415978A CN106083332A CN 106083332 A CN106083332 A CN 106083332A CN 201610415978 A CN201610415978 A CN 201610415978A CN 106083332 A CN106083332 A CN 106083332A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
- C05F11/02—Other organic fertilisers from peat, brown coal, and similar vegetable deposits
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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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Abstract
The invention belongs to Chemical Mixed Fertilizer manufacturing technology field, with modified humic acid as primary raw material, add extraction and produce the citric acid soluble phosphorus potash fertilizer of potassium dihydrogen phosphate by-product, utilize modified humic acid to improve the feature of the activity of the phosphorous potassium of institute in citric acid soluble phosphorus potash fertilizer, formation granular organic composite humic fertilizer product.The organic composite humic fertilizer produced by this method is tested for crops fertilizer efficiency, has reached the effect of organic commercial fertilizer.The method adds a certain amount of industrial by-products, it is provided that the new way that this by-product batch utilizes；Reduce potassium dihydrogen phosphate production cost, improve extraction and produce the industrial sustainability of potassium dihydrogen phosphate.
Description
Technical field
The present invention discloses a kind of method that organic composite humic fertilizer produced by potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer, belongs to
Chemical Mixed Fertilizer manufacturing technology field.
Technical background
In a wet process phosphoric acid, potassium chloride be raw material abstraction method produce potassium dihydrogen phosphate be recent year independent development more
Vanguard technology, its cost of material is low, small investment and potassium dihydrogen phosphate product can reach technical grade quality index, and without the three wastes
The advantages such as discharge.But the impurity such as ferrum, aluminum, magnesium, the solubility in citric acid of by-product in potassium dihydrogen phosphate production process is contained due to phosphoric acid by wet process
Phosphorus potash fertilizer and ammonium chloride need to carry out reprocessing and utilize, and could obtain preferable comprehensive benefit.Wherein citric acid soluble phosphorus potash fertilizer is total
P2O5Content 30～about 40%, total K2O content is 5～10%, is directly processed into NPK Chemical Mixed Fertilizer scale less, and returns of investment are not
Good.Enterprise combines the practical situation of fertilizer product structural adjustment in recent years, it is proposed that be combined production corruption with lignite humic acid resource
Phytic acid compoiste fertilizer, fundamentally change directly processing tradition NPK Chemical Mixed Fertilizer thinking, simultaneously humic acids have activate Chinese holly molten
Property phosphorus potassium function, with its exploitation organic composite humic fertilizer to improve chemical fertilizer utilization ratio, improvement soil there is bigger value.
Humic acids has five large effects in agricultural production: (1) improvement soil, in humic acids, colloid forms wadding with calcium in soil
Shape gel, can improve soil aggregate, regulates the soil water, fertilizer, air and heat situation, improves the absorption of soil, exchange capacity, adjusts
Joint pH value, reaches soil acid-base equilibrium；(2) improving chemical fertilizer utilization ratio, it is stable that humic acids has urase suppression, nitrification suppression and ammonia
Effect, thus improve the utilization rate of nitrogen；Humic acids can be with the Fe in soil3+、Al3+、Ca2+、Mg2+Combine Deng metal ion
Form more stable complex, inhibit these ions and the combination of phosphate radical in phosphate fertilizer, decrease available phosphorus and fix.It can be with
Insoluble phosphide forms a kind of phosphoric acid humic acids complex, and makes insoluble phosphate activate, thus improves the utilization rate of phosphorus；
Humic acids can be with potash fertilizer and other trace element generation complexation or chelatropic reaction so that it is generate the potassium humate with colloidal property
Or humic acids trace element salt, the beneficially absorption of crop root, and reduce its loss occurred with water, improve it and utilize
Rate；(3) stimulating plant growth, humic acids has mobilizing function, can increase plant internal oxidition enzymatic activity and metabolic activity, thus
Make well developed root system, promote plant growing；(4) strengthening crop anti-adversity ability, humic acids can reduce the opening degree of blade face pore, reduces
Moisture evaporates, and makes plant and the more moisture of Soil conservation, has the drought resisting of uniqueness, cold-resistant, resistance against diseases；(5) crop is improved
Quality.Humic acids can suppress heavy metal accumulation in crop body, and in making crop body, nitrate is decreased obviously；Using humic acids can
Improve soluble sugar, Vc, protein content in crop body, thus improve crop quality.
Summary of the invention
It is an object of the invention to provide that a kind of technique is simple, energy consumption is low, low cost and the costly brown coal of products obtained therefrom
The production method of organic composite humic fertilizer.
The method that organic composite humic fertilizer produced by potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer of the present invention is that brown coal are rotten
Phytic acid and the stirring mixing of ammonia alkali activator, activation of banking up obtain modified humic acid, then with modified humic acid as raw material after 24 hours
Mix homogeneously with the citric acid soluble phosphorus potash fertilizer of potassium dihydrogen phosphate by-product or pass through extruder grain, be dried, respectively obtaining and meet country
The powdery of standard/granular organic composite humic fertilizer.
Described organic composite humic fertilizer raw materials for production are: citric acid soluble phosphorus potash fertilizer, lignite humic acid and ammonia alkali activator；Its
Middle citric acid soluble phosphorus potash fertilizer be phosphoric acid by wet process extraction produce potassium dihydrogen phosphate by-product, its phosphorus pentoxide content be 30～
40%, potassium oxide content is 6～10%；Lignite humic acid is brown coal mineral, total humic acid content >=50%；Ammonia alkali activator is
The mixed solution of ammonia, sodium hydroxide and ammonium chloride, free ammonia content >=25% in mixed solution, sodium hydrate content >=
15%, ammonium chloride content >=20%, remaining is water.
In terms of 1000 kilograms, making organic composite humic fertilizer mass ratio is: 800 parts of brown coal ore deposit (in terms of butt), ammonia alkali
Activator 200～300, citric acid soluble phosphorus potash fertilizer 100～150 parts.
Lignite humic acid and ammonia alkali activator hybrid reaction temperature≤50 DEG C, incorporation time 30～45 minutes, activation of banking up
24 hours.
Effective humic acids >=40%, N+P in obtained powder/granular organic composite humic fertilizer product205+K20 >=5%.
The lignite humic acid of described activation of banking up remixes rear product drying temperature≤100 DEG C with citric acid soluble phosphorus potash fertilizer.
The present invention, with modified humic acid as primary raw material, adds extraction and produces the citric acid soluble phosphorus potassium of potassium dihydrogen phosphate by-product
Fertilizer, utilizes modified humic acid to improve the feature of the activity of the phosphorous potassium of institute in citric acid soluble phosphorus potash fertilizer, and formation granular humic acids is organic
Complex fertilizer product.
The compound organic and inorganic fertilizer of the present invention has the advantage that
The present invention is extraction to produce potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer and ammonium chloride makes full use of, and produces city
The organic composite humic fertilizer product that field requirement is bigger, to promoting to improve phosphoric acid by wet process Production of Potassium Dihydrogen Phosphate by Extraction
Byproduct comprehensive utilize and technological progress have important practical significance.
Detailed description of the invention
The present invention is embodied as it is critical only that following steps: in being placed in advance in lignite humic acid mixing apparatus, uniformly
Spray and add ammonia alkali activator, control hybrid reaction temperature≤50 DEG C, incorporation time 30～45 minutes, then it is molten to be proportionally added into Chinese holly
Property phosphorus potash fertilizer, mix homogeneously post-drying, control product drying temperature≤100 DEG C.Obtained granular humic acids is organic multiple
Effective humic acids >=40%, N+P in the product of Hefei205+K20 >=5%.
Embodiment 1: the production technology of lignite humic acid compoiste fertilizer, comprises the steps, organic composite humic fertilizer
In terms of 1000 kilograms, lignite humic acid is crushed standby by (1).(2) lignite humic acid that mass fraction is 800 parts is added mixed
In conjunction agitator, be uniformly added into sprinkling 200 parts of ammonia alkali activator, control reaction temperature at 50 DEG C, incorporation time 45 minutes, reaction
Thing 24 hours (3) reactant of banking up of banking up adds 100 parts of citric acid soluble phosphorus potash fertilizer, and mix homogeneously post-drying controls to be dried temperature
Spend 90～100 DEG C, obtain effective humic acids >=40%, N+P in powdery organic composite humic fertilizer product205+K20 >=5%.
The present invention makes full use of the lignite humic acid resource of high-quality, uses ammonia alkali process for activating, utilizes humic acids to promote
The function of citric acid soluble phosphorus potassium activity, exploitation meets the organic composite humic fertilizer new product of national standard.
Embodiment 2: the production technology of compound organic and inorganic fertilizer, comprises the steps, organic composite humic fertilizer is with 1000
Kilogram meter, lignite humic acid is crushed standby by (1).(2) lignite humic acid that mass fraction is 800 parts is added mixing agitator
In, uniformly to spray and add 250 parts of ammonia alkali activator, control reaction temperature at 50 DEG C, incorporation time 45 minutes, reactant banks up 24
Hour；(3) reactant of banking up adds 120 parts of citric acid soluble phosphorus potash fertilizer, mix homogeneously post-drying, controls product drying temperature
Spend≤100 DEG C.Effective humic acids >=40%, N+P in obtained powdery organic composite humic fertilizer product205+K20 >=8%.
The present invention is based on lignite humic acid, adds potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer and ammonium chloride, solves
Industrial by-products Utilizing question, reduces production cost.The organic composite humic fertilizer preparation technology of the present invention is simple, safety
Environmental protection, product accords with the demands of the market.
Embodiment 3: the production technology of compound organic and inorganic fertilizer, comprises the steps, organic composite humic fertilizer is with 1000
Kilogram meter, lignite humic acid is crushed standby by (1).(2) lignite humic acid that mass fraction is 800 parts is added mixing agitator
In, uniformly spray and add 300 parts of ammonia alkali activator, control reaction temperature at 50 DEG C, incorporation time 30 minutes；(3) by reactant
It is directly added into 130 parts of citric acid soluble phosphorus potash fertilizer, carries out extruder grain after mix homogeneously and obtain graininess organic composite humic fertilizer product
Product, control baking temperature 90～100 DEG C through drying, and effective humic acids in the granular organic composite humic fertilizer product obtained >=
40%, N+P205+K20 >=10%.
Embodiment 4: the production technology of compound organic and inorganic fertilizer, comprises the steps, organic composite humic fertilizer is with 1000
Kilogram meter, lignite humic acid is crushed standby by (1).(2) lignite humic acid that mass fraction is 800 parts is added mixing agitator
In, uniformly spray and add 220 parts of ammonia alkali activator, control reaction temperature at 45 DEG C, incorporation time 40 minutes；(3) by reactant
It is directly added into 130 parts of citric acid soluble phosphorus potash fertilizer, carries out extruder grain after mix homogeneously and obtain graininess organic composite humic fertilizer product
Product, control baking temperature 80～90 DEG C through drying, and effective humic acids in the granular organic composite humic fertilizer product obtained >=
40%, N+P205+K20 >=8%.
Below in conjunction with embodiment, agrochemical application test result of the present invention is illustrated
Actual application examples 1
Oryza sativa L. regular community manure trial:
Process 1: containing humic acid organic composite fertilizer+N+P2O5+K2O, disposably makees base fertilizer and uses.
Process 2: farm manure+N+P2O5+K2O, disposably makees base fertilizer and uses.
Process 3: without fertile district CK.
Table 1 Oryza sativa L. plot experiment volume analysis table
Table 2 Oryza sativa L. plot experiment economic benefit table
From yield, the farm manure volume increase 13.34% containing nutrients such as humic acid organic composite fertilizer ratios, economic benefit is deducted
Fertilizer cost mu rises in value 39.5 yuan,.
The organic composite humic fertilizer that the inventive method produces is tested for crops fertilizer efficiency, has reached organic commercial fertilizer
Effect.The method adds a certain amount of industrial by-products, it is provided that the new way that this by-product batch utilizes；Reduce phosphoric acid
Potassium dihydrogen production cost, improves extraction and produces the industrial sustainability of potassium dihydrogen phosphate.
Actual application examples 2
Semen Maydis regular community manure trial:
Process 1: containing humic acid organic composite fertilizer+N+P2O5+K2O, disposably makees base fertilizer and uses.
Process 2: organic commercial fertilizer+N+P2O5+K2O, disposably makees base fertilizer and uses.
Process 3: farm manure+N+P2O5+K2O, disposably makees base fertilizer and uses.
Process 4:CK without fertile district
Table 3 Semen Maydis is executed containing organic composite humic fertilizer experimental plot rate schedule
Table 4 Semen Maydis is executed containing organic composite humic fertilizer economic benefit table
Recorded by laboratory observation, execute organic composite humic fertilizer and can improve corn kernel number and 100-grain weight, reduce jade
The bald rate of rice, increases income for corn yield increasing and lays the first stone.From yield, organic composite humic fertilizer and organic commercial fertilizer per mu yield phase
When, illustrate that humic acids can improve the activity of citric acid soluble phosphorus potassium, promote absorbing of root system of plant.
Actual application examples 3
Rhizoma Solani tuber osi contrasts manure trial with field:
Test is processed as:
Process the 1+N+P Han humic acid organic composite fertilizer2O5+K2O
Process 2 farm manure+N+P2O5+K2O,
Table 5 Rhizoma Solani tuber osi is with field test situation
The using on Rhizoma Solani tuber osi containing humic acid organic composite fertilizer shows, in commodity potato rate, per mu yield all than etc. nutrient agriculture
Family is fertile high, has certain effect of increasing production and economic benefit,
The present invention is a kind of rare organic composite humic fertilizer utilizing industrial by-products to develop, and is worth exploitation and pushes away
Extensively.
Claims (6)
1. a production method for organic composite humic fertilizer produced by potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer, and its feature exists
In, lignite humic acid and ammonia alkali activator are stirred mixing, activation of banking up obtains modified humic acid after 24 hours, then with modified rotten
Phytic acid is that raw material is mixed homogeneously with the citric acid soluble phosphorus potash fertilizer of potassium dihydrogen phosphate by-product or passes through extruder grain, is dried, respectively
To the powdery/granular organic composite humic fertilizer meeting national standard.
Organic composite humic fertilizer produced by a kind of potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer the most according to claim 1
Production method, it is characterised in that described organic composite humic fertilizer raw materials for production are: citric acid soluble phosphorus potash fertilizer, lignite humic acid and
Ammonia alkali activator；Wherein citric acid soluble phosphorus potash fertilizer is the by-product that phosphoric acid by wet process extraction produces potassium dihydrogen phosphate, its five oxidation two
Phosphorus content is 30～40%, and potassium oxide content is 6～10%；Lignite humic acid is brown coal mineral, total humic acid content >=50%；
Ammonia alkali activator is the mixed solution of ammonia, sodium hydroxide and ammonium chloride, free ammonia content >=25% in mixed solution, hydroxide
Sodium content >=15%, ammonium chloride content >=20%, remaining is water.
Organic composite humic fertilizer produced by a kind of potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer the most according to claim 1
Production method, it is characterised in that in terms of 1000 kilograms, making organic composite humic fertilizer mass ratio is: 800 parts of brown coal ore deposit (with
Butt meter), ammonia alkali activator 200～300, citric acid soluble phosphorus potash fertilizer 100～150 parts.
Organic composite humic fertilizer produced by a kind of potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer the most according to claim 1
Production method, it is characterised in that lignite humic acid and ammonia alkali activator hybrid reaction temperature≤50 DEG C, incorporation time 30～45 points
Clock, activation 24 hours of banking up.
Organic composite humic fertilizer produced by a kind of potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer the most according to claim 1
Production method, it is characterised in that effective humic acids >=40%, N+P in obtained powder/granular organic composite humic fertilizer product205
+K20 >=5%.
Organic composite humic fertilizer produced by a kind of potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer the most according to claim 1
Production method, it is characterised in that described in bank up lignite humic acid and the citric acid soluble phosphorus potash fertilizer of activation remix rear product drying temperature
Spend≤100 DEG C.
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| CN201610415978.3A CN106083332A (en) | 2016-06-15 | 2016-06-15 | The production method of organic composite humic fertilizer produced by a kind of potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer |
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| CN201610415978.3A CN106083332A (en) | 2016-06-15 | 2016-06-15 | The production method of organic composite humic fertilizer produced by a kind of potassium dihydrogen phosphate by-product citric acid soluble phosphorus potash fertilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113248333A (en) * | 2021-05-31 | 2021-08-13 | 河南中米生态科技有限公司 | Granular soil conditioner for composite heavy metal pollution and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373108A (en) * | 2001-10-16 | 2002-10-09 | 广东省生态环境与土壤研究所 | Activated phosphate fertilizer composition |
| CN1434006A (en) * | 2002-01-21 | 2003-08-06 | 中国科学院山西煤炭化学研究所 | Long-acting humic acid phosphate fertilizer and process for preparing same |
| CN102086140A (en) * | 2010-12-14 | 2011-06-08 | 云南省化工研究院 | Preparation process of efficient humic acid diammonium phosphate |
| CN103072963A (en) * | 2012-12-28 | 2013-05-01 | 山东金正大生态工程股份有限公司 | Method for producing potassium dihydrogen phosphate through wet-process phosphoric acid |
-
2016
- 2016-06-15 CN CN201610415978.3A patent/CN106083332A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373108A (en) * | 2001-10-16 | 2002-10-09 | 广东省生态环境与土壤研究所 | Activated phosphate fertilizer composition |
| CN1434006A (en) * | 2002-01-21 | 2003-08-06 | 中国科学院山西煤炭化学研究所 | Long-acting humic acid phosphate fertilizer and process for preparing same |
| CN102086140A (en) * | 2010-12-14 | 2011-06-08 | 云南省化工研究院 | Preparation process of efficient humic acid diammonium phosphate |
| CN103072963A (en) * | 2012-12-28 | 2013-05-01 | 山东金正大生态工程股份有限公司 | Method for producing potassium dihydrogen phosphate through wet-process phosphoric acid |
Non-Patent Citations (3)
| Title |
|---|
| 庞承彰 主编: "《实用肥料手册》", 30 September 1997, 广西科学技术出版社 * |
| 杨堽（编）: "《肥料及其使用》", 31 March 1982, 山西人民出版社 * |
| 杨新莲: "《大同市肥料实用技术》", 31 July 2008, 北京：中国农业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113248333A (en) * | 2021-05-31 | 2021-08-13 | 河南中米生态科技有限公司 | Granular soil conditioner for composite heavy metal pollution and preparation method thereof |
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