CN103626573A - Water-retention coated nitrogen phosphorus potassium compound fertilizer and preparation method thereof - Google Patents
Water-retention coated nitrogen phosphorus potassium compound fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN103626573A CN103626573A CN201310508982.0A CN201310508982A CN103626573A CN 103626573 A CN103626573 A CN 103626573A CN 201310508982 A CN201310508982 A CN 201310508982A CN 103626573 A CN103626573 A CN 103626573A
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- compound fertilizer
- potassium compound
- stir
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Fertilizers (AREA)
Abstract
The invention discloses a water-retention coated nitrogen phosphorus potassium compound fertilizer and a preparation method thereof. The water-retention coated nitrogen phosphorus potassium compound fertilizer is composed of the following raw materials in parts by weight: 25-40 parts of ammonium chloride, 35-45 parts of urea, 12-16 parts of monoammonium phosphate, 10-15 parts of potassium chloride, 0.5-1 part of copper sulfate, 1-2 parts of zinc sulfate, 1-2 parts of magnesium chloride, 0.5-1 part of copper sulfate, 4-6 parts of attapulgite, 20-30 parts of 5-6 mol/L sulfuric acid, 10-15 parts of modified starch, 3-5 parts of polyvinyl alcohol, 4-6 parts of modified tree ash, 0.5-0.8 part of borax and 30-50 parts of water. The water-retention coated nitrogen phosphorus potassium compound fertilizer disclosed by the invention can improve the utilization rates of water and fertilizer, save water, reduce fertilizer loss, protect the agricultural environment, promote the yield increase of crops and generate good social, economic and ecological benefits.
Description
Technical field
The present invention relates to a kind of water conservation coating nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof, belong to technical field of fertilizers.
Background technology
China is large agricultural country, and chemical fertilizer has consequence in agricultural, but the loss of chemical fertilizer is a problem can not be ignored, particularly the utilization ratio of nitrogenous fertilizer is quite low, manure resources waste is serious, will cause agriculture production cost increase, chemical fertilizer Efficiency Decreasing, the deterioration of the ecological environment.Development Slow or controlled release fertilizer be improve fertilizer nutrient utilization ratio, make full use of resource, reduce chemical fertilizer environmental effect, realize the important measures of Agricultural Sustainable Development in China.Yet existing slowly/controlled releasing fertilizer also exists certain shortcoming, main manifestations is: cost is high, and coated fertilizer difficult degradation is manured into soil and easily causes secondary pollution.Therefore it is one of developing direction of current new-type fertilizer that the coated fertilizer of, finding efficient cheap environmental protection is developed coating Slow/Controlled Release Fertilizers.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of novel water conservation coating nitrogen-phosphorus-potassium compound fertilizer is provided, to delay nutrient, discharge, give its water conservation and release water function.
The technical solution used in the present invention is as follows:
A water conservation coating nitrogen-phosphorus-potassium compound fertilizer, it is comprised of the raw material of following weight parts: ammonium chloride 25-40, urea 35-45, monoammonium phosphate 12-16, Repone K 10-15, copper sulfate 0.5-1, zinc sulfate 1-2, magnesium chloride 1-2, copper sulfate 0.5-1, attapulgite 4-6,5-6mol/L sulfuric acid 20-30, treated starch 10-15, polyvinyl alcohol 3-5, modification trees ashes 4-6, borax 0.5-0.8, water 30-50.
Described treated starch is made by following methods: get 50-60 part starch and be scattered in 80-100 part water, add again 5-8 part sodium hydroxide, 1-2 part Sodium Persulfate, 40-50 part propylene oxide, at 15-20 ℃, stir 30-40min, be warming up to 45-50 ℃, reaction 8-10h, is neutralized to PH=5.0-6.0 with hydrochloric acid, filters, washing, is drying to obtain treated starch.
Described modification trees ashes are made by following methods: first use after 10-15% hydrogen peroxide dipping trees ashes 2-3h, more extremely neutral with deionized water wash, dry; Add and be equivalent to 2% chitosan solution of trees ashes weight 3-4%, the nanometer sepiolite powder of the Xylo-Mucine of 2-3%, 3-5%, high speed 1500-2000r/min stirs 20-30min, and ovendry power is broken into ultrafine powder.
The preparation method of water conservation coating nitrogen-phosphorus-potassium compound fertilizer, comprises the following steps:
(1) by formulation ratio, take ammonium chloride, urea, monoammonium phosphate, Repone K, copper sulfate, zinc sulfate, magnesium chloride, copper sulfate, attapulgite and put into stirrer, stir 3-5min, after stirring, by in raw material roller pelletizer, with spraying plant, sulfuric acid is evenly sprayed onto to raw material surface, granulation, dries;
(2) by formulation ratio, polyethylene alcohol and water is added in reactor, stir, be heated to 90-95 ℃, continue to stir l-2h, treat that polyvinyl alcohol dissolves completely, stop heating, continue to stir, add treated starch, borax, modification trees ashes, be warmed up to 80-85 ℃, accelerate to stir 1-2h, stop heating, continue to stir, be cooled to room temperature, obtain coating feed liquid;
(3) the uniform compound fertilizer granules of particle diameter after screening is put into the rotary drum of rotation, carry out thermal pretreatment, make fertilizer surface reach 35-40 ℃, with high-pressure spray-painted rifle, coating feed liquid is sprayed on to fertilizer surface equably, then be placed in trunk drying installation dry 2-3h at 60-70 ℃, make water conservation coating nitrogen-phosphorus-potassium compound fertilizer.
Beneficial effect of the present invention:
(1) the present invention adopts coated fertilizer wide material sources, cost are low, easily degraded, pollution-free, environmental protection and public nuisance free;
(2) water conservation coating nitrogen-phosphorus-potassium compound fertilizer of the present invention can promote the materialization of the Integration of Water into Fertilizer; for being converted into actual productivity as coupled wave theory mutually, liquid manure provides new practice, for dry farming, water-saving agriculture increases in grain production and agriculture environmental protection provide new technical support.
(3) the bright water conservation coating of the present invention nitrogen-phosphorus-potassium compound fertilizer, can improve liquid manure utilising efficiency, and to water saving and reduction fertilizer loss, protection agricultural environment, promotes crop yield, and will produce good society, economy and ecological benefits.
Embodiment
A water conservation coating nitrogen-phosphorus-potassium compound fertilizer, it is comprised of the raw material of following weight parts: 32 parts of ammonium chlorides, 40 parts, urea, 15 parts of monoammonium phosphates, 12 parts, Repone K, 0.8 part, copper sulfate, 1.2 parts, zinc sulfate, 1 part, magnesium chloride, 0.6 part, copper sulfate, 5 parts of attapulgites, 24 parts, 6mol/L sulfuric acid, 12 parts of treated starches, 4 parts of polyvinyl alcohol, 6 parts, modification trees ashes, 0.8 part of borax, 35 parts, water.
Wherein, described treated starch is made by following methods: get 50 parts of starch and be scattered in 80 parts of water, add again 6.5 parts of sodium hydroxide, 1.5 parts of Sodium Persulfates, 45 parts of propylene oxide, at 18 ℃, stir 40min, be warming up to 50 ℃, reaction 8h, with hydrochloric acid, be neutralized to PH=6.0, filter, washing, is drying to obtain treated starch.
Described modification trees ashes are made by following methods: first use after 15% hydrogen peroxide dipping trees ashes 2h, more extremely neutral with deionized water wash, dry; Add and be equivalent to 2% chitosan solution of trees ashes weight 3%, 2.5% Xylo-Mucine, 4% nanometer sepiolite powder, high speed 1800r/min stirs 25min, and ovendry power is broken into ultrafine powder.
The preparation method of water conservation coating nitrogen-phosphorus-potassium compound fertilizer, comprises the following steps:
(1) by formulation ratio, take ammonium chloride, urea, monoammonium phosphate, Repone K, copper sulfate, zinc sulfate, magnesium chloride, copper sulfate, attapulgite and put into stirrer, stir 4min, after stirring, by in raw material roller pelletizer, with spraying plant, sulfuric acid is evenly sprayed onto to raw material surface, granulation, dries;
(2) by formulation ratio, polyethylene alcohol and water is added in reactor, stir, be heated to 90 ℃, continue to stir l.5h, treat that polyvinyl alcohol dissolves completely, stop heating, continue to stir, add treated starch, borax, modification trees ashes, be warmed up to 80 ℃, accelerate to stir 2h, stop heating, continue to stir, be cooled to room temperature, obtain coating feed liquid;
(3) the uniform compound fertilizer granules of particle diameter after screening is put into the rotary drum of rotation, carry out thermal pretreatment, make fertilizer surface reach 35 ℃, with high-pressure spray-painted rifle, coating feed liquid is sprayed on to fertilizer surface equably, then be placed in trunk drying installation dry 2h at 70 ℃, make water conservation coating nitrogen-phosphorus-potassium compound fertilizer.
The water conservation coating nitrogen-phosphorus-potassium compound fertilizer field test results that the present invention produces is as following table:
Claims (4)
1. a water conservation coating nitrogen-phosphorus-potassium compound fertilizer, it is characterized in that, it is comprised of the raw material of following weight parts: ammonium chloride 25-40, urea 35-45, monoammonium phosphate 12-16, Repone K 10-15, copper sulfate 0.5-1, zinc sulfate 1-2, magnesium chloride 1-2, copper sulfate 0.5-1, attapulgite 4-6,5-6mol/L sulfuric acid 20-30, treated starch 10-15, polyvinyl alcohol 3-5, modification trees ashes 4-6, borax 0.5-0.8, water 30-50.
2. water conservation coating nitrogen-phosphorus-potassium compound fertilizer according to claim 1, it is characterized in that, described treated starch is made by following methods: get 50-60 part starch and be scattered in 80-100 part water, then add 5-8 part sodium hydroxide, 1-2 part Sodium Persulfate, 40-50 part propylene oxide, at 15-20 ℃, stir 30-40min, be warming up to 45-50 ℃, reaction 8-10h, is neutralized to PH=5.0-6.0 with hydrochloric acid, filters, washing, is drying to obtain treated starch.
3. water conservation coating nitrogen-phosphorus-potassium compound fertilizer according to claim 1, is characterized in that, described modification trees ashes are made by following methods: first use after 10-15% hydrogen peroxide dipping trees ashes 2-3h, more extremely neutral with deionized water wash, dry; Add and be equivalent to 2% chitosan solution of trees ashes weight 3-4%, the nanometer sepiolite powder of the Xylo-Mucine of 2-3%, 3-5%, high speed 1500-2000r/min stirs 20-30min, and ovendry power is broken into ultrafine powder.
4. a preparation method for water conservation coating nitrogen-phosphorus-potassium compound fertilizer as claimed in claim 1, is characterized in that comprising the following steps:
(1) by formulation ratio, take ammonium chloride, urea, monoammonium phosphate, Repone K, copper sulfate, zinc sulfate, magnesium chloride, copper sulfate, attapulgite and put into stirrer, stir 3-5min, after stirring, by in raw material roller pelletizer, with spraying plant, sulfuric acid is evenly sprayed onto to raw material surface, granulation, dries;
(2) by formulation ratio, polyethylene alcohol and water is added in reactor, stir, be heated to 90-95 ℃, continue to stir l-2h, treat that polyvinyl alcohol dissolves completely, stop heating, continue to stir, add treated starch, borax, modification trees ashes, be warmed up to 80-85 ℃, accelerate to stir 1-2h, stop heating, continue to stir, be cooled to room temperature, obtain coating feed liquid;
(3) the uniform compound fertilizer granules of particle diameter after screening is put into the rotary drum of rotation, carry out thermal pretreatment, make fertilizer surface reach 35-40 ℃, with high-pressure spray-painted rifle, coating feed liquid is sprayed on to fertilizer surface equably, then be placed in trunk drying installation dry 2-3h at 60-70 ℃, make water conservation coating nitrogen-phosphorus-potassium compound fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310508982.0A CN103626573B (en) | 2013-10-24 | 2013-10-24 | Water-retention coated nitrogen phosphorus potassium compound fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310508982.0A CN103626573B (en) | 2013-10-24 | 2013-10-24 | Water-retention coated nitrogen phosphorus potassium compound fertilizer and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103626573A true CN103626573A (en) | 2014-03-12 |
| CN103626573B CN103626573B (en) | 2015-02-18 |
Family
ID=50208068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310508982.0A Expired - Fee Related CN103626573B (en) | 2013-10-24 | 2013-10-24 | Water-retention coated nitrogen phosphorus potassium compound fertilizer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103626573B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058854A (en) * | 2014-06-20 | 2014-09-24 | 安徽省巨星肥业有限公司 | Compound fertilizer provided with longan shell modified coating agent |
| CN104262007A (en) * | 2014-09-29 | 2015-01-07 | 高台县旺达绿禾肥业有限责任公司 | Whole water-soluble nitrogen fertilizer with relatively high pelletizing rate |
| 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 |
| CN107857635A (en) * | 2017-11-12 | 2018-03-30 | 长沙秋点兵信息科技有限公司 | A kind of nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
| CN109422578A (en) * | 2017-08-24 | 2019-03-05 | 吴鹃 | It is retained coating nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1535939A (en) * | 2003-04-09 | 2004-10-13 | 陈大顺 | Fertilizer coating composite, its making method and multicomponent coated granular fertilizer |
| CN1566035A (en) * | 2003-06-25 | 2005-01-19 | 中国石油化工股份有限公司 | Quick effective seedling nourishing controlled release compound fertilizer and production method thereof |
| CN101792354A (en) * | 2010-04-07 | 2010-08-04 | 中盐安徽红四方股份有限公司 | Color drought-resistance water-retention sustained-release compound fertilizer and method for producing same |
| CN102952469A (en) * | 2012-10-27 | 2013-03-06 | 蚌埠凤凰滤清器有限责任公司 | High-strength compound adhesive film for filter |
-
2013
- 2013-10-24 CN CN201310508982.0A patent/CN103626573B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1535939A (en) * | 2003-04-09 | 2004-10-13 | 陈大顺 | Fertilizer coating composite, its making method and multicomponent coated granular fertilizer |
| CN1566035A (en) * | 2003-06-25 | 2005-01-19 | 中国石油化工股份有限公司 | Quick effective seedling nourishing controlled release compound fertilizer and production method thereof |
| CN101792354A (en) * | 2010-04-07 | 2010-08-04 | 中盐安徽红四方股份有限公司 | Color drought-resistance water-retention sustained-release compound fertilizer and method for producing same |
| CN102952469A (en) * | 2012-10-27 | 2013-03-06 | 蚌埠凤凰滤清器有限责任公司 | High-strength compound adhesive film for filter |
Non-Patent Citations (1)
| Title |
|---|
| 刘秉智: "改性淀粉基磷酸二氢铵缓释肥料的研制", 《化学世界》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058854A (en) * | 2014-06-20 | 2014-09-24 | 安徽省巨星肥业有限公司 | Compound fertilizer provided with longan shell modified coating agent |
| CN104262007A (en) * | 2014-09-29 | 2015-01-07 | 高台县旺达绿禾肥业有限责任公司 | Whole water-soluble nitrogen fertilizer with relatively high pelletizing rate |
| 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 |
| CN109422578A (en) * | 2017-08-24 | 2019-03-05 | 吴鹃 | It is retained coating nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
| CN107857635A (en) * | 2017-11-12 | 2018-03-30 | 长沙秋点兵信息科技有限公司 | A kind of nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103626573B (en) | 2015-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103626573B (en) | Water-retention coated nitrogen phosphorus potassium compound fertilizer and preparation method thereof | |
| CN101864036B (en) | Method for synthesizing super absorbent resin by plant straw | |
| CN103951531B (en) | A kind of charcoal base water conservation control slow-release fertilizer and its preparation method and application | |
| CN105347916A (en) | Sterilization soil-improvement slow-release composite fertilizer and preparation method thereof | |
| CN102942412B (en) | Macroelement soluble fertilizer and preparation method thereof | |
| CN103755866B (en) | Modified swill-cooked dirty oil coated fertilizer and the application in coating slowly/controlled releasing fertilizer thereof | |
| CN101280116A (en) | Pasty degradable mulch film and preparation thereof | |
| CN102786353A (en) | Controlled release fertilizer coating method | |
| US20210206699A1 (en) | Preparation method for plant growth agent for ecological water retention, fertilizer saving and production increase promotion | |
| CN106380311A (en) | Preparation method of slow-release fertilizer | |
| CN106116838A (en) | A kind of efficient peanut plantation slow release fertilizer and preparation method thereof | |
| CN103193549A (en) | Degradable resin envelop slow-control fertilizer-releasing production process | |
| CN105016854A (en) | Fruit special fertilizer synergist, and preparation method thereof | |
| CN110218116A (en) | A kind of granular compound fertilizer adhesive for granulating and preparation method thereof | |
| CN106396896A (en) | Special controlled-release fertilizer for lotus roots and preparation method thereof | |
| CN103936503B (en) | Granulation modifying agent and its preparation method and the application in fertilizer | |
| CN106167433A (en) | A kind of efficient peanut plantation slow release fertilizer and preparation method thereof | |
| CN101161695B (en) | Method for preparing absorbent material by micro-wave radiation of potato fecula industry slag grafted polymeric acrylate | |
| CN102910967A (en) | Special urea formaldehyde efficacy-improved fertilizer for garlic and preparation method of fertilizer | |
| CN103739784A (en) | Diatomite composite super-absorbent resin material and preparation method thereof | |
| CN103708881B (en) | A kind of active sludge fertilizer | |
| CN103641628A (en) | Preparation method of special controlled-release compound fertilizer for super rice | |
| CN102249803A (en) | Film enveloped sustained-release material for degradable fertilizer | |
| CN106187426A (en) | A kind of efficient peanut plantation slow release fertilizer and preparation method thereof | |
| CN102701887B (en) | Three-dimensional elastic solid mesh nest controlled-release fertilizer and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |