CN102417427A - Polyaspartic acid slow release compound fertilizer and production method thereof - Google Patents
Polyaspartic acid slow release compound fertilizer and production method thereof Download PDFInfo
- Publication number
- CN102417427A CN102417427A CN2011102651412A CN201110265141A CN102417427A CN 102417427 A CN102417427 A CN 102417427A CN 2011102651412 A CN2011102651412 A CN 2011102651412A CN 201110265141 A CN201110265141 A CN 201110265141A CN 102417427 A CN102417427 A CN 102417427A
- Authority
- CN
- China
- Prior art keywords
- parts
- compound fertilizer
- aspartic
- poly
- acid
- 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.)
- Pending
Links
Abstract
The invention belongs to a compound fertilizer, and specifically relates to a polyaspartic acid slow release compound fertilizer which is low in investment, simple in process, low in operating cost and good in slow release effect and a production method thereof. The polyaspartic acid slow release compound fertilizer comprises the following raw materials in parts by weight: 180-630 parts of carbamide, 120-550 parts of monoammonium phosphate, 90-340 parts of potassium chloride, 1-10 parts of polyaspartic acid, 10-20 parts of 60% dilute sulphuric acid, 5-10 parts of liquid ammonia and 18-125 parts of slime. The invention has the advantages of low investment, simple process, low operating cost and good slow release effect.
Description
Technical field
The invention belongs to compound manure, be specifically related to a kind of less investment, technology is simple, low poly-aspartic-acid slow-release compound fertilizer and the working method thereof with had good sustained release effect of running cost.
Background technology
China is maximum in the world fertiliser prodn and use country at present; Research shows that present stage China's fertilizer farmland nutrient utilization ratio is very low; Particularly utilization rate of nitrogen fertilizer is merely about 30%; Level far below world developed country about 50% not only causes huge waste, has also caused the serious environmental pollution.Improve utilization rate of fertilizer, reduce rate of fertilizer, the development of new slow release fertilizer, it is more and more important to have seemed, one of main direction of Fertilizer Industry development after also will becoming.
Summary of the invention
The objective of the invention is to overcome defective of the prior art and provide a kind of less investment, technology simple, low poly-aspartic-acid slow-release compound fertilizer and the working method thereof with had good sustained release effect of running cost.
The objective of the invention is to realize like this:
The present invention is made up of following raw materials by weight portion: 180～630 parts in urea, 120～550 parts of monoammonium phosphates, 90～340 parts in Repone K, 1～10 part of poly-aspartic-acid, concentration are 10～20 parts of 60% dilute sulphuric acids, 5～10 parts in liquefied ammonia and 18～125 parts of clays.
Working method step of the present invention is following:
One, be 10～20 parts of 60% dilute sulphuric acids with 180～630 parts in urea, 120～550 parts of monoammonium phosphates, 90～340 parts in Repone K, concentration, 18～125 parts of 5～10 parts in liquefied ammonia and clays get into thorough mixing in the granulating system through feed proportioning system;
Two, 1～10 part of poly-aspartic-acid is passed through poly-aspartic-acid adding system and get into the mixture uniform mixing in granulating system and the step 1;
Three, the mixture in the step 2 under 75～85 ℃ of temperature, water cut 2%～4% condition, bonds each other between the mixture, pushes in granulating system, forms compound fertilizer granules;
Four, compound fertilizer granules in the step 3 is got in the dehumidification system and carry out drying;
Five, make that dried compound fertilizer granules gets into screening system, cooling system, fine screen system, baggage systems and packaging system successively in the step 4.
Poly-aspartic-acid is a sustained release dosage of the present invention among the present invention.
The present invention compares with general slow-release compound fertilizer product, and this product has characteristics such as fertilizer efficiency period is longer, plant recovery of nutrient is higher, effect of increasing production is better.Experiment shows that fertilizer efficiency period can extend to 120 days from 30 days, and utilization ratio improves about 50%, can reduce fertilizer amount about 20%.Can increase the leaf area of crop, improve chlorophyll content, strengthen photosynthetic capacity, promote the accumulation of glucide, make food crop raising the output 8-20%, vegetables are increased production more than 14%, and cash crop are increased production more than 20%.
The present invention has less investment, technology is simple, and running cost is hanged down the advantage with had good sustained release effect.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a granulating system inner nozzle structural representation of the present invention.
Embodiment
Like Fig. 1, shown in 2; The present invention is made up of following raw materials by weight portion: 180～630 parts in urea, 120～550 parts of monoammonium phosphates, 90～340 parts in Repone K, 1～10 part of poly-aspartic-acid, concentration are 10～20 parts of 60% dilute sulphuric acids, 5～10 parts in liquefied ammonia and 18～125 parts of clays.
Working method step of the present invention is following:
One, be 10～20 parts of 60% dilute sulphuric acids with 180～630 parts in urea, 120～550 parts of monoammonium phosphates, 90～340 parts in Repone K, concentration, 18～125 parts of 5～10 parts in liquefied ammonia and clays get into thorough mixing in the granulating system 3 through feed proportioning system 1;
Two, with 1～10 part of mixture uniform mixing that gets in granulating systems 3 and the step 1 through poly-aspartic-acid adding system 2 of poly-aspartic-acid;
Three, the mixture in the step 2 under 75～85 ℃ of temperature, water cut 2%～4% condition, bonds each other between the mixture, pushes in granulating system 3, forms compound fertilizer granules;
Four, compound fertilizer granules in the step 3 is got in the dehumidification system 4 and carry out drying;
Five, make that dried compound fertilizer granules gets into screening system 5, cooling system 6, fine screen system 7 successively in the step 4, baggage systems 8 and packaging system 9.
The processing requirement of feed proportioning system 1, granulating system 3, dehumidification system 4, screening system 5, cooling system 6, fine screen system 7, baggage systems 8 and packaging system 9 is identical with the common compound manure of production among the present invention; Granulating system 3 of the present invention links to each other with dehumidification system 4, screening system 5, cooling system 6, fine screen system 7, baggage systems 8 and packaging system 9 through belt conveyor successively; Described poly-aspartic-acid add system 2 by poly-aspartic-acid import 10, solution tank 11, liquidometer 12, under meter 13, break liquid pump 14, jet pipe 15, liquidometer valve 16 and valve 17 compositions; Described poly-aspartic-acid import 10 links to each other with the solution tank of taking gas port 18 out of 11; Described solution tank 11 is provided with the liquidometer 12 of band liquidometer valve 16; The outlet of solution tank 11 through pipeline successively with valve 17, make liquid pump 14, under meter 13, jet pipe 15 links to each other with granulating system 3.Described under meter 13 is suspended body flowmeters.Described jet pipe 15 is installed on the position of granulating system 3 lower middles.Described jet pipe 15 is 45 degree angles with granulating system 3 vertical axial slices, and consistent with granulating system 3 turning directions.
As shown in Figure 1; The present invention includes feed proportioning system 1, poly-aspartic-acid adding system 2, granulating system 3, dehumidification system 4, screening system 5, cooling system 6, fine screen system 7, baggage systems 8 and packaging system 9, feed proportioning system 1 disposes various raw materials according to a certain percentage, and the sustained release dosage that adds system 2 with poly-aspartic-acid gets into granulating system 3 simultaneously; In the rotary drum granulator of granulating system 3 under 75～85 ℃ of temperature of charge, water cut 2～4% conditions; Bond each other, push between each material, form compound fertilizer granules, qualified particle gets into dehumidification system 4 with underproof particle and carries out drying; The compound fertilizer granules that dehumidification system 4 comes out gets into screening system 5; Described fine powder sieve and the big grain sieve of being followed successively by removed irrational compound fertilizer granules, and qualified particle gets into cooling system 6 coolings; And then underproof particle is further removed by entering fine screen system 7; The compound fertilizer granules that qualified then particle accounts for more than 90% gets into baggage systems 8, superscribes the agent of one deck anti-caking at particle surface, gets into packaging system 9 at last.Described poly-aspartic-acid add system 2 by poly-aspartic-acid import 10, solution tank 11, liquidometer 12, under meter 13, break liquid pump 14, jet pipe 15, liquidometer valve 16 and valve 17 compositions; Solution tank 11 is mainly used in storage polyaspartic acid solution, and poly-aspartic-acid is joined in the solution tank 11 by poly-aspartic-acid import 10, measures the solution tank liquid level through liquidometer 12, requires liquid level to be controlled at 1/3～3/4.Make liquid pump 14 poly-aspartic-acid amount on demand is driven in the granulating system 3, add poly-aspartic-acid, 1kg～10kg/ ton composite fertilizer.
As shown in Figure 2; Poly-aspartic-acid adding jet pipe 15 is positioned at position, granulating system 3 lower middle in the granulating system 3; Jet pipe 15 is 45 degree angles with granulating system 3 vertical axial slices; And consistent with granulating system 3 turning directions, so both can guarantee that sustained release dosage evenly was sprayed on the material, can prevent that again material is sprayed on jet pipe 15 shower nozzle places and causes shower nozzle to stop up.The jet opening distance granulating system 3 inwalls 450～550mm of jet pipe 15, jet pipe 15 in granulating system 3 axially on apart from feed inlet end 800～1600mm place.
The device that feed proportioning system 1 described in the present invention, granulating system 3, dehumidification system 4, screening system 5, cooling system 6, fine screen system 7, baggage systems 8 use always when being the production compound manure with packaging system 9; Feed proportioning system 1, granulating system 3, dehumidification system 4, screening system 5, cooling system 6, fine screen system 7, baggage systems 8 is the prior art when producing compound manure with packaging system 9 required technical parameters.
Embodiment 1
Make 992 kilograms when of the present invention, 630 kilograms in urea, 120 kilograms of monoammonium phosphates, 90 kilograms in Repone K, 10 kilograms of poly-aspartic-acids, concentration are 20 kilograms of 60% dilute sulphuric acids, 5 kilograms in liquefied ammonia and 125 kilograms of clays.
Step is following:
One, be 20 kilograms of 60% dilute sulphuric acids with 630 kilograms in urea, 120 kilograms of monoammonium phosphates, 90 kilograms in Repone K, concentration, 125 kilograms of 5 kilograms in liquefied ammonia and clays get into thorough mixing in the granulating system 3 through feed proportioning system 1;
Two, with 10 kilograms of mixture uniform mixing that get in granulating systems 3 and the step 1 through poly-aspartic-acid adding system 2 of poly-aspartic-acid;
Three, the mixture in the step 2 under 85 ℃ of temperature, water cut 2% condition, bonds each other between the mixture, pushes in granulating system 3, forms compound fertilizer granules;
Four, compound fertilizer granules in the step 3 is got in the dehumidification system 4 and carry out drying;
Five, make that dried compound fertilizer granules gets into screening system 5, cooling system 6, fine screen system 7 successively in the step 4, baggage systems 8 and packaging system 9.Be finished product.
Concentration is to contain 8 kilograms water in 20 kilograms of 60% the dilute sulphuric acids in dehumidification system, to be evaporated to gas among the present invention.
Embodiment 2
Make 1992 kilograms when of the present invention, 360 kilograms in urea, 1100 kilograms of monoammonium phosphates, 340 kilograms in Repone K, 2 kilograms of poly-aspartic-acids, concentration are 20 kilograms of 60% dilute sulphuric acids, 20 kilograms in liquefied ammonia and 158 kilograms of clays.
Step is following:
One, be 20 kilograms of 60% dilute sulphuric acids with 360 kilograms in urea, 1100 kilograms of monoammonium phosphates, 340 kilograms in Repone K, concentration, 158 kilograms of 20 kilograms in liquefied ammonia and clays get into thorough mixing in the granulating system 3 through feed proportioning system 1;
Two, with 2 kilograms of mixture uniform mixing that get in granulating systems 3 and the step 1 through poly-aspartic-acid adding system 2 of poly-aspartic-acid;
Three, the mixture in the step 2 under 75 ℃ of temperature, water cut 3% condition, bonds each other between the mixture, pushes in granulating system 3, forms compound fertilizer granules;
Four, compound fertilizer granules in the step 3 is got in the dehumidification system 4 and carry out drying;
Five, make that dried compound fertilizer granules gets into screening system 5, cooling system 6, fine screen system 7 successively in the step 4, baggage systems 8 and packaging system 9.Be finished product.
Concentration is to contain 8 kilograms water in 20 kilograms of 60% the dilute sulphuric acids in dehumidification system, to be evaporated to gas among the present invention.
Embodiment 3
Make 2982 kilograms when of the present invention, 1155 kilograms in urea, 690 kilograms of monoammonium phosphates, 1020 kilograms in Repone K, 15 kilograms of poly-aspartic-acids, concentration are 45 kilograms of 60% dilute sulphuric acids, 21 kilograms in liquefied ammonia and 54 kilograms of clays.
Step is following:
One, be 45 kilograms of 60% dilute sulphuric acids with 1155 kilograms in urea, 690 kilograms of monoammonium phosphates, 1020 kilograms in Repone K, concentration, 54 kilograms of 21 kilograms in liquefied ammonia and clays get into thorough mixing in the granulating system 3 through feed proportioning system 1;
Two, with 15 kilograms of mixture uniform mixing that get in granulating systems 3 and the step 1 through poly-aspartic-acid adding system 2 of poly-aspartic-acid;
Three, the mixture in the step 2 under 80 ℃ of temperature, water cut 4% condition, bonds each other between the mixture, pushes in granulating system 3, forms compound fertilizer granules;
Four, compound fertilizer granules in the step 3 is got in the dehumidification system 4 and carry out drying;
Five, make that dried compound fertilizer granules gets into screening system 5, cooling system 6, fine screen system 7 successively in the step 4, baggage systems 8 and packaging system 9.Be finished product.
Concentration is to contain 18 kilograms water in 45 kilograms of 60% the dilute sulphuric acids in dehumidification system, to be evaporated to gas among the present invention.
Claims (2)
1. poly-aspartic-acid slow-release compound fertilizer; It is characterized in that: be made up of following raw materials by weight portion: 180～630 parts in urea, 120～550 parts of monoammonium phosphates, 90～340 parts in Repone K, 1～10 part of poly-aspartic-acid, concentration are 10～20 parts of 60% dilute sulphuric acids, 5～10 parts in liquefied ammonia and 18～125 parts of clays.
2. the working method of a poly-aspartic-acid slow-release compound fertilizer, it is characterized in that: its step is following:
One, be 10～20 parts of 60% dilute sulphuric acids with 180～630 parts in urea, 120～550 parts of monoammonium phosphates, 90～340 parts in Repone K, concentration, 18～125 parts of 5～10 parts in liquefied ammonia and clays get into the interior thorough mixing of granulating system (3) through feed proportioning system (1);
Two, poly-aspartic-acid is added system (2) through poly-aspartic-acid for 1～10 part and get into the mixture uniform mixing in granulating system (3) and the step 1;
Three, the mixture in the step 2 under 75～85 ℃ of temperature, water cut 2%～4% condition, bonds each other between the mixture, pushes in granulating system (3), forms compound fertilizer granules;
Four, compound fertilizer granules in the step 3 is got in the dehumidification system (4) and carry out drying;
Five, make that dried compound fertilizer granules gets into screening system (5), cooling system (6), fine screen system (7) successively in the step 4, baggage systems (8) and packaging system (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102651412A CN102417427A (en) | 2011-09-08 | 2011-09-08 | Polyaspartic acid slow release compound fertilizer and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102651412A CN102417427A (en) | 2011-09-08 | 2011-09-08 | Polyaspartic acid slow release compound fertilizer and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102417427A true CN102417427A (en) | 2012-04-18 |
Family
ID=45942098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102651412A Pending CN102417427A (en) | 2011-09-08 | 2011-09-08 | Polyaspartic acid slow release compound fertilizer and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102417427A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396207A (en) * | 2013-07-02 | 2013-11-20 | 河南天宇肥业有限公司 | Fertilizer with saving synergistic formula |
| CN103787774B (en) * | 2014-01-24 | 2016-03-09 | 安徽省化工设计院 | A kind of soil conditioner and preparation method thereof |
| CN105837309A (en) * | 2016-03-18 | 2016-08-10 | 河北百斗嘉肥料有限公司 | Slow-release compound fertilizer and preparation method thereof |
| CN112939670A (en) * | 2021-03-25 | 2021-06-11 | 山东奥德鲁生物科技有限公司 | Hydrophobic slow-release organic-inorganic compound fertilizer preparation device and preparation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180685A (en) * | 1996-10-25 | 1998-05-06 | 中国科学院沈阳应用生态研究所 | Long-lasting special compound fertilizer and manufacturing technonoly thereof |
| CN1221719A (en) * | 1998-09-25 | 1999-07-07 | 苍安芝 | Prodn. tech. of disposable multi-element compound fertilizer |
| CN1733655A (en) * | 2004-08-09 | 2006-02-15 | 北京天音艾实华科技有限公司 | Synergistic urea and its preparation method and uses |
| CN101693638A (en) * | 2009-08-28 | 2010-04-14 | 新疆满疆红农资化肥科技有限公司 | Preparation method and application method of tomato special fertilizer |
| CN101921157A (en) * | 2010-08-25 | 2010-12-22 | 河南心连心化肥有限公司 | Production method of slow-release urea |
| CN102040427A (en) * | 2010-11-26 | 2011-05-04 | 天津芦阳化肥股份有限公司 | Method for producing chlorine-based high phosphorus compound fertilizer by ammoniation method |
-
2011
- 2011-09-08 CN CN2011102651412A patent/CN102417427A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180685A (en) * | 1996-10-25 | 1998-05-06 | 中国科学院沈阳应用生态研究所 | Long-lasting special compound fertilizer and manufacturing technonoly thereof |
| CN1221719A (en) * | 1998-09-25 | 1999-07-07 | 苍安芝 | Prodn. tech. of disposable multi-element compound fertilizer |
| CN1733655A (en) * | 2004-08-09 | 2006-02-15 | 北京天音艾实华科技有限公司 | Synergistic urea and its preparation method and uses |
| CN101693638A (en) * | 2009-08-28 | 2010-04-14 | 新疆满疆红农资化肥科技有限公司 | Preparation method and application method of tomato special fertilizer |
| CN101921157A (en) * | 2010-08-25 | 2010-12-22 | 河南心连心化肥有限公司 | Production method of slow-release urea |
| CN102040427A (en) * | 2010-11-26 | 2011-05-04 | 天津芦阳化肥股份有限公司 | Method for producing chlorine-based high phosphorus compound fertilizer by ammoniation method |
Non-Patent Citations (4)
| Title |
|---|
| 《化肥设计》 20110228 罗斌等 "氨酸法造粒工艺在尿基复合肥生产装置的应用" 第35-37页 1-2 第49卷, 第1期 * |
| 冷一欣等: "肥料增效剂聚天冬氨酸的应用效果研究", 《安徽农业科学》 * |
| 柳建良等: "聚天门冬氨酸的合成及其在农业上的应用", 《仲恺农业技术学院学报》 * |
| 罗斌等: ""氨酸法造粒工艺在尿基复合肥生产装置的应用"", 《化肥设计》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396207A (en) * | 2013-07-02 | 2013-11-20 | 河南天宇肥业有限公司 | Fertilizer with saving synergistic formula |
| CN103396207B (en) * | 2013-07-02 | 2015-07-08 | 河南天宇肥业有限公司 | Fertilizer with saving synergistic formula |
| CN103787774B (en) * | 2014-01-24 | 2016-03-09 | 安徽省化工设计院 | A kind of soil conditioner and preparation method thereof |
| CN105837309A (en) * | 2016-03-18 | 2016-08-10 | 河北百斗嘉肥料有限公司 | Slow-release compound fertilizer and preparation method thereof |
| CN112939670A (en) * | 2021-03-25 | 2021-06-11 | 山东奥德鲁生物科技有限公司 | Hydrophobic slow-release organic-inorganic compound fertilizer preparation device and preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103739396B (en) | A kind of Nano-carbon fertilizer special for paddy rice | |
| CN100348550C (en) | Production method of urocomposite fertilizer | |
| CN102898254A (en) | Humic acid synergia compound fertilizer and preparation method thereof | |
| CN102826890B (en) | Efficient polymorphous fertilizer special for vegetables and preparation method thereof | |
| CN104355734A (en) | Production method of ammonium sulfate-ammonium phosphate composite fertilizer | |
| CN102875234B (en) | Novel synergetic compound fertilizer and preparation method thereof | |
| CN102267826A (en) | Composite fertilizer production method utilizing amino acid | |
| CN105198645A (en) | Special slow-release fertilizer for oranges and production process of special slow-release fertilizer | |
| CN103011950A (en) | Lost control nano-composite fertilizer and preparation method thereof | |
| CN102898245A (en) | Seaweed synergia compound fertilizer and preparation method thereof | |
| CN102173962A (en) | Built-in screen type controlled-release urea as well as production method and application thereof | |
| CN102417427A (en) | Polyaspartic acid slow release compound fertilizer and production method thereof | |
| CN103467197B (en) | Acid-proof, moisture-holding and superactive special fertilizer technology for forestry and additive | |
| CN109134099A (en) | A kind of quick-acting high concentration sulfur fertilizers of rounded grain and production method | |
| CN102276362A (en) | high-concentration compound fertilizer | |
| CN103058752B (en) | Preparation method for special slow-release long-acting compound fertilizer for paddy rice | |
| CN104355772A (en) | Preparation method and preparation device of compound fertilizer | |
| CN102320885B (en) | Spherical magnesium nitrate and tower granulation method thereof | |
| CN102515911A (en) | High-nitrogen composite fertilizer and preparation method thereof | |
| CN103214303A (en) | Production method of large particle humic acid-potassium chloride fertilizer | |
| CN101759481A (en) | High-tower slow-release compound fertilizer and preparation method thereof | |
| CN105237066A (en) | Synergistic urea ammonium nitrogen fertilizer and preparation method of same | |
| CN110668875A (en) | Production method of high-sulfur full-water-soluble nitro-sulfur-based nitrogen fertilizer granules | |
| CN103396186A (en) | Technology and device for producing ammonium phosphate sulfate product with sewage treatment slag | |
| CN106083282A (en) | A kind of common fertilizer of upgrading is the auxiliary agent containing secondary and micro-element fertilizers and preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120418 |