CN109422578A - It is retained coating nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof - Google Patents
It is retained coating nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN109422578A CN109422578A CN201710734944.5A CN201710734944A CN109422578A CN 109422578 A CN109422578 A CN 109422578A CN 201710734944 A CN201710734944 A CN 201710734944A CN 109422578 A CN109422578 A CN 109422578A
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- CN
- China
- Prior art keywords
- phosphorus
- parts
- water
- compound fertilizer
- fertilizer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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
-
- 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
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
Abstract
The invention discloses a kind of water conservation coating nitrogen-phosphorus-potassium compound fertilizers and preparation method thereof, it is made of the raw material of following weight parts: ammonium chloride 25-40, urea 35-45, monoammonium phosphate 12-16, potassium chloride 10-15, copper sulphate 0.5-1, zinc sulfate 1-2, magnesium chloride 1-2, copper sulphate 0.5-1, attapulgite 4-6,5-6mol/L sulfuric acid 20-30, modified starch 10-15, polyvinyl alcohol 3-5, modified tree ash 4-6, borax 0.5-0.8, water 30-50.The bright water conservation coating nitrogen-phosphorus-potassium compound fertilizer of the present invention, can be improved liquid manure utilization efficiency, to saving water and reducing fertilizer loss, protects agricultural environment, promotes crop yield, and will generate good society, economy and ecological benefits.
Description
Technical field
The present invention relates to a kind of water conservation coating nitrogen-phosphorus-potassium compound fertilizers and preparation method thereof, belong to technical field of fertilizers.
Background technique
China is large agricultural country, and chemical fertilizer has consequence in agricultural, but the loss of chemical fertilizer is one and can not be ignored
The problem of, the utilization rate of especially nitrogenous fertilizer is at a fairly low, and manure resources waste is serious, will lead to agriculture production cost increase, chemical fertilizer
Efficiency reduces, the deterioration of the ecological environment.Developing Slow or controlled release fertilizer is to improve fertilizer nutrient utilization, make full use of resource, reduce
The environmental effect of chemical fertilizer, the important measures for realizing Agricultural Sustainable Development in China.However, there is also one for existing slowly/controlled releasing fertilizer
Fixed shortcoming, is mainly shown as: at high cost, coated fertilizer is difficult to degrade, is manured into soil and easily causes secondary pollution.Therefore, it finds high
The coated fertilizer of cheap environmental protection is imitated to develop one of the developing direction that coating slow/controlled release fertilizer is current new-type fertilizer.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to a kind of novel water conservation coating nitrogen-phosphorus-potassium compound fertilizer is provided,
To delay nutrients release, assigns its water conservation and release water function.
The technical solution adopted by the invention is as follows:
A kind of water conservation coating nitrogen-phosphorus-potassium compound fertilizer, it is made of the raw material of following weight parts: ammonium chloride 25-40, urea
35-45, monoammonium phosphate 12-16, potassium chloride 10-15, copper sulphate 0.5-1, zinc sulfate 1-2, magnesium chloride 1-2, copper sulphate 0.5-1,
Attapulgite 4-6,5-6mol/L sulfuric acid 20-30, modified starch 10-15, polyvinyl alcohol 3-5, modified tree ash 4-6, borax
0.5-0.8, water 30-50.
The modified starch is made by following methods: being taken 50-60 parts of starch dispersions in 80-100 parts of water, is added 5-8
Part sodium hydroxide, 1-2 parts of sodium peroxydisulfates, 40-50 parts of propylene oxide, stir 30-40min at 15-20 DEG C, are warming up to 45-50
DEG C, 8-10h is reacted, is neutralized with hydrochloric acid to PH=5.0-6.0, filters, washing is drying to obtain modified starch.
The modification tree ash is made by following methods: after first using 10-15% hydrogen peroxide dipping tree ash 2-3h,
It is washed with deionized again to neutrality, drying；2% chitosan solution, the 2-3% for being equivalent to tree ash weight 3-4% is added
Sodium carboxymethylcellulose, 3-5% Nano sepiolite powder, high speed 1500-2000r/min stir 20-30min, dries pulverizing
At superfines.
It is retained the preparation method of coating nitrogen-phosphorus-potassium compound fertilizer, comprising the following steps:
(1) ammonium chloride, urea, monoammonium phosphate, potassium chloride, copper sulphate, zinc sulfate, magnesium chloride, sulphur are weighed by formulation ratio
Sour copper, attapulgite are put into blender, stir 3-5min, it is to be mixed uniformly after, by raw material roller pelletizer, with spraying dress
It sets and sulfuric acid is uniformly sprayed onto raw material surface, be granulated, drying；
(2) polyethylene alcohol and water is added in reaction kettle by formulation ratio, stirs evenly, be heated to 90-95 DEG C, continues to stir
L-2h is mixed, is completely dissolved to polyvinyl alcohol, stops heating, continues to stir, modified starch, borax, modified tree ash is added, rises
Temperature arrives 80-85 DEG C, accelerates stirring 1-2h, stops heating, continue to stir, be cooled to room temperature to get coating feed liquid；
(3) compound fertilizer granules of uniform particle sizes after screening are put into the rotary drum of rotation, carry out the pre-heat treatment, makes fertilizer table
Face reaches 35-40 DEG C, and coating feed liquid is equably sprayed on fertilizer surface with high-pressure spray-painted rifle, is subsequently placed in trunk drying device
In at 60-70 DEG C dry 2-3h, water conservation coating nitrogen-phosphorus-potassium compound fertilizer is made.
Beneficial effects of the present invention:
(1) coated fertilizer that the present invention uses is from a wealth of sources, at low cost, degradable, pollution-free, environmental protection and public nuisance free；
(2) present invention water conservation coating nitrogen-phosphorus-potassium compound fertilizer can promote the materialization of the Integration of Water into Fertilizer, for by liquid manure interaction
Coupled wave theory is converted into actual productivity and provides new practice, is that dry farming, water-saving agriculture increases in grain production and agricultural environment are protected
Shield provides new technical support.
(3) the bright water conservation coating nitrogen-phosphorus-potassium compound fertilizer of the present invention, can be improved liquid manure utilization efficiency, to water conservation and reduce
Fertilizer loss protects agricultural environment, promotes crop yield, and will generate good society, economy and ecological benefits.
Specific embodiment
A kind of water conservation coating nitrogen-phosphorus-potassium compound fertilizer, it is made of the raw material of following weight parts: 32 parts of ammonium chloride, urea 40
Part, 15 parts of monoammonium phosphate, 12 parts of potassium chloride, 0.8 part of copper sulphate, 1.2 parts of zinc sulfate, 1 part of magnesium chloride, 0.6 part of copper sulphate, bumps
5 parts of stick soil, 24 parts of 6mol/L sulfuric acid, 12 parts of modified starch, 4 parts of polyvinyl alcohol, modified 6 parts of tree ash, 0.8 part of borax, water
35 parts.
Wherein, the modified starch is made by following methods: being taken 50 parts of starch dispersions in 80 parts of water, is added 6.5 parts
Sodium hydroxide, 1.5 parts of sodium peroxydisulfates, 45 parts of propylene oxide, stir 40min at 18 DEG C, are warming up to 50 DEG C, react 8h, use salt
Acid is neutralized to PH=6.0, filters, and washing is drying to obtain modified starch.
The modification tree ash is made by following methods: first with after 15% hydrogen peroxide dipping tree ash 2h, then being used
Deionized water is washed to neutrality, drying；The carboxylic first of 2% chitosan solution, 2.5% that are equivalent to tree ash weight 3% is added
Base sodium cellulosate, 4% Nano sepiolite powder, high speed 1800r/min stir 25min, dries pulverizing is at superfines.
It is retained the preparation method of coating nitrogen-phosphorus-potassium compound fertilizer, comprising the following steps:
(1) ammonium chloride, urea, monoammonium phosphate, potassium chloride, copper sulphate, zinc sulfate, magnesium chloride, sulphur are weighed by formulation ratio
Sour copper, attapulgite are put into blender, stir 4min, it is to be mixed uniformly after, by raw material roller pelletizer, use spraying device
Sulfuric acid is uniformly sprayed onto raw material surface, is granulated, drying；
(2) polyethylene alcohol and water is added in reaction kettle by formulation ratio, stirs evenly, be heated to 90 DEG C, continues to stir
L.5h, it is completely dissolved to polyvinyl alcohol, stops heating, continue to stir, modified starch, borax, modified tree ash, heating is added
To 80 DEG C, accelerates stirring 2h, stop heating, continue to stir, be cooled to room temperature to get coating feed liquid；
(3) compound fertilizer granules of uniform particle sizes after screening are put into the rotary drum of rotation, carry out the pre-heat treatment, makes fertilizer table
Face reaches 35 DEG C, and coating feed liquid is equably sprayed on fertilizer surface with high-pressure spray-painted rifle, is subsequently placed in trunk drying device
The dry 2h at 70 DEG C, is made water conservation coating nitrogen-phosphorus-potassium compound fertilizer.
Water conservation coating nitrogen-phosphorus-potassium compound fertilizer field test results produced by the invention are as follows:
Claims (1)
1. a kind of water conservation coating nitrogen-phosphorus-potassium compound fertilizer, which is characterized in that it is made of the raw material of following weight parts: ammonium chloride
25-40, urea 35-45, monoammonium phosphate 12-16, potassium chloride 10-15, copper sulphate 0.5-1, zinc sulfate 1-2, magnesium chloride 1-2, sulphur
Sour copper 0.5-1, attapulgite 4-6,5-6mol/L sulfuric acid 20-30, modified starch 10-15, polyvinyl alcohol 3-5, modified tree ash
Cinder 4-6, borax 0.5-0.8, water 30-50；The modified starch is made by following methods: taking 50-60 parts of starch dispersions in 80-
100 parts of water add 5-8 parts of sodium hydroxides, 1-2 parts of sodium peroxydisulfates, 40-50 parts of propylene oxide, stir 30- at 15-20 DEG C
40min is warming up to 45-50 DEG C, reacts 8-10h, is neutralized with hydrochloric acid to pH=5.0-6.0, filters, and washing is drying to obtain modification
Starch；The modification tree ash is made by following methods: after first using 10-15% hydrogen peroxide dipping tree ash 2-3h, then
It is washed with deionized to neutrality, drying；2% chitosan solution, 2-3% for being equivalent to tree ash weight 3-4% is added
The Nano sepiolite powder of sodium carboxymethylcellulose, 3-5%, 1500-2000r/min stir 20-30min, and dries pulverizing is at ultra-fine
Powder；
The preparation method of the water conservation coating nitrogen-phosphorus-potassium compound fertilizer, comprising the following steps:
(1) ammonium chloride, urea, monoammonium phosphate, potassium chloride, copper sulphate, zinc sulfate, magnesium chloride, concave convex rod are weighed by formulation ratio
Soil is put into blender, stirs 3-5min, it is to be mixed uniformly after, raw material is put into roller pelletizer, with spraying device by sulphur
Acid is uniformly sprayed onto raw material surface, is granulated, drying；
(2) polyethylene alcohol and water is added in reaction kettle by formulation ratio, stirs evenly, is heated to 90-95 DEG C, continue to stir l-
2h is completely dissolved to polyvinyl alcohol, is stopped heating, is continued to stir, and modified starch, borax, modified tree ash is added, is warming up to
80-85 DEG C, accelerates stirring 1-2h, stop heating, continue to stir, be cooled to room temperature to get coating feed liquid；
(3) compound fertilizer granules of uniform particle sizes after screening are put into the rotary drum of rotation, carry out the pre-heat treatment, reaches fertilizer surface
To 35-40 DEG C, coating feed liquid is equably sprayed on fertilizer surface with high-pressure spray-painted rifle, is subsequently placed in trunk drying device
Dry 2-3h at 60-70 DEG C, is made water conservation coating nitrogen-phosphorus-potassium compound fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734944.5A CN109422578A (en) | 2017-08-24 | 2017-08-24 | It is retained coating nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734944.5A CN109422578A (en) | 2017-08-24 | 2017-08-24 | It is retained coating nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109422578A true CN109422578A (en) | 2019-03-05 |
Family
ID=65501307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710734944.5A Withdrawn CN109422578A (en) | 2017-08-24 | 2017-08-24 | It is retained coating nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN109422578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662134A (en) * | 2020-07-15 | 2020-09-15 | 江西普瑞丰生态科技有限公司 | Phosphorus-potassium compound fertilizer for soil fertility improvement and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626573A (en) * | 2013-10-24 | 2014-03-12 | 安徽久久肥业有限公司 | Water-retention coated nitrogen phosphorus potassium compound fertilizer and preparation method thereof |
| CN103664376A (en) * | 2013-12-09 | 2014-03-26 | 陈汇梁 | Preparation method of coated controlled-release compound fertilizer |
| CN104496650A (en) * | 2014-11-28 | 2015-04-08 | 深圳市芭田生态工程股份有限公司 | Total-nutrient water-retaining degradable mechanically-applied coated fertilizer |
| CN105315084A (en) * | 2015-11-27 | 2016-02-10 | 安徽帝元生物科技有限公司 | Synergistic environment-friendly fertilizer aid and fertilizer |
| CN106116854A (en) * | 2016-06-25 | 2016-11-16 | 深圳市芭田生态工程股份有限公司 | A kind of fertilizer containing high functionality coated fertilizer |
| CN108147866A (en) * | 2016-12-06 | 2018-06-12 | 吴鹃 | A kind of method for making Enoki mushroom cultivation material using hickory nut production and processing waste |
-
2017
- 2017-08-24 CN CN201710734944.5A patent/CN109422578A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626573A (en) * | 2013-10-24 | 2014-03-12 | 安徽久久肥业有限公司 | Water-retention coated nitrogen phosphorus potassium compound fertilizer and preparation method thereof |
| CN103664376A (en) * | 2013-12-09 | 2014-03-26 | 陈汇梁 | Preparation method of coated controlled-release compound fertilizer |
| CN104496650A (en) * | 2014-11-28 | 2015-04-08 | 深圳市芭田生态工程股份有限公司 | Total-nutrient water-retaining degradable mechanically-applied coated fertilizer |
| CN105315084A (en) * | 2015-11-27 | 2016-02-10 | 安徽帝元生物科技有限公司 | Synergistic environment-friendly fertilizer aid and fertilizer |
| CN106116854A (en) * | 2016-06-25 | 2016-11-16 | 深圳市芭田生态工程股份有限公司 | A kind of fertilizer containing high functionality coated fertilizer |
| CN108147866A (en) * | 2016-12-06 | 2018-06-12 | 吴鹃 | A kind of method for making Enoki mushroom cultivation material using hickory nut production and processing waste |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662134A (en) * | 2020-07-15 | 2020-09-15 | 江西普瑞丰生态科技有限公司 | Phosphorus-potassium compound fertilizer for soil fertility improvement and preparation method thereof |
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Application publication date: 20190305 |
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