CN102515921A - Filler-free compound fertilizer - Google Patents
Filler-free compound fertilizer Download PDFInfo
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- CN102515921A CN102515921A CN2011104398141A CN201110439814A CN102515921A CN 102515921 A CN102515921 A CN 102515921A CN 2011104398141 A CN2011104398141 A CN 2011104398141A CN 201110439814 A CN201110439814 A CN 201110439814A CN 102515921 A CN102515921 A CN 102515921A
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Abstract
The invention belongs to the field of compound fertilizer, and particularly relates to filler-free compound fertilizer, which is simple in process, stable in operation, high in pelletizing rate and free of wastewater discharge and filler. The filler-free compound fertilizer is made of, by weight, 114-546 parts of ammonium dihydrogen phosphate, 84-334 parts of potassium chloride, 83-333 parts of ammonium chloride, 15-35 parts of 60% dilute sulphuric acid and 8-24 parts of liquid ammonia. 1-492 parts of urea are added into the filler-free compound fertilizer for preparation. The filler-free compound fertilizer has the advantages of simple process, stability in operation, high pelletizing rate, avoidance of wastewater discharge and no filler.
Description
Technical field
The invention belongs to the composite fertilizer field, be specifically related to that a kind of technology is simple, stable, balling ratio is high, the filler-free composite fertilizer of non-wastewater discharge and filler-free.
Background technology
China is maximum in the world compound manure production at present and uses country; Compound manure is as a kind of more comprehensive fertilizer of function ratio that contains at least two kinds of nutrients in nitrogen, phosphorus, the potassium; More and more received user's favor, just the efficient in order to guarantee that composite fertilizer produces adds the weighting agents such as clay that bonding or batching effect are arranged in the time of often need in drum granulating production, dropping into raw material; These weighting agents not only influence the visual appearance of product; Can cause simultaneously the complex fertilizer product instantly-soluble poor, be dissolved with residue, water cut and increase, caused production cost to increase, also environment has been caused pollution.
Summary of the invention
The objective of the invention is to overcome defective of the prior art and provide that a kind of technology is simple, stable, balling ratio is high, the filler-free composite fertilizer of non-wastewater discharge and filler-free.
The objective of the invention is to realize like this: is made up of following raw materials by weight portion: 114 parts～546 parts of monoammonium phosphates, 84 parts～334 parts in Repone K, 83 parts～333 parts of ammonium chlorides, concentration are 8 parts～24 parts in 60% 15 parts～35 parts of dilute sulphuric acids and liquefied ammonia.The raw material that in above-mentioned filler-free composite fertilizer, adds following parts by weight is prepared: 1 part～492 parts in urea.
The present invention need not use special tubular reactor in the process of using; Directly utilizing shower nozzle to add gets final product; And the pipeline that liquefied ammonia and dilute sulphuric acid are passless respectively is sprayed on the material then simultaneously and reacts, and both can avoid calorific loss; Again can with bonding tightr of material, be beneficial to the material granulation.The present invention can make the granulation balling ratio improve greatly, generally can reach more than 80%, and production coal consumption, power consumption etc. reduce greatly, greatly save energy; The present invention can all utilize the dust washing water again, reaches the effect of system's sewage zero-discharge; Pure white bright-coloured, the instant efficient no insoluble residue of product colour, product moisture content≤1.5% that use the present invention to produce, granule strength>=25N, particle is smooth mellow and fullly not to lump.
The present invention has that technology is simple, stable, balling ratio is high, the advantage of non-wastewater discharge and filler-free.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the installation site synoptic diagram of tablets press inner nozzle of the present invention.
Embodiment
The present invention is made up of following raw materials by weight portion: 114 parts～546 parts of monoammonium phosphates, 84 parts～334 parts in Repone K, 83 parts～333 parts of ammonium chlorides, concentration are 15 parts～35 parts of 60% dilute sulphuric acids and 8 parts～24 parts in liquefied ammonia.The raw material that in above-mentioned filler-free composite fertilizer, adds following parts by weight is prepared: 1 part～492 parts in urea.
Like Fig. 1, shown in 2; The present invention includes semitight cavity 6, described semitight cavity 6 bottoms of installing with tablets press 1 one side activities links to each other with dehumidification system 2, screening system 3, cooling system 4, baggage systems 5 and packaging system 17 through pipeline successively; Described semitight cavity 6 upper part sealing; Lower part communicates with tablets press 1, and the top of described semitight cavity 6 is provided with pneumatic outlet 7, described pneumatic outlet 7 through pipeline successively with fly-ash separator 8, washer 9; Complex acid jar 10 links to each other with the opposite side of tablets press 1; Pipeline between described washer 9 and the complex acid jar 10 is provided with threeway, and an end of described threeway links to each other with the opposite side of tablets press 1 is inner through pipeline, and described complex acid jar 10 links to each other with tablets press 1 inner dilute sulphuric acid jet pipe 15 through pipeline; Described gas ammonia storage tank 12 links to each other with the inner gas ammonia jet pipe 16 of the opposite side of tablets press 1, and described liquid ammonia storage tank 13 links to each other with the inner liquefied ammonia jet pipe 11 of the opposite side of tablets press 1, and described feed proportioning system 14 links to each other with the opposite side of tablets press 1; Described complex acid jar 10 tops are provided with emptying pipe.The shower nozzle of described dilute sulphuric acid jet pipe 15 and liquefied ammonia jet pipe 11 adopts the uneven distribution method to arrange.Four shower nozzles of layout in the end 1/3rd that described dilute sulphuric acid jet pipe 15 links to each other with complex acid jar 10 are arranged three shower nozzles in the centre 1/3rd, two shower nozzles of terminal 1/3rd interior layouts.Four shower nozzles of layout in the end 1/3rd that described liquefied ammonia jet pipe 11 links to each other with liquid ammonia storage tank 13 are arranged three shower nozzles in the centre 1/3rd, two shower nozzles of terminal 1/3rd interior layouts.The shower nozzle that is provided with on the described dilute sulphuric acid jet pipe 15, gas ammonia jet pipe 16 and liquefied ammonia jet pipe 11 be installed in positive apparent direction and tablets press 1 radially vertical surface be on the position at 42 degree angles.
As shown in Figure 1, main raw materials such as urea, monoammonium phosphate, Repone K, ammonium chloride proportionally carry out getting into after the proportioning in feed proportioning system in the tablets press 1 among the present invention, and gas ammonia, liquefied ammonia, the dilute sulphuric acid of having allocated concentration also proportionally are driven in the tablets press; Regulate the washing water yield that gets in the tablets press 1 simultaneously, make under tablets press 1 70～80 ℃ of interior temperature of charge, water cut 2.3～3.5% conditions, bond each other, push between each material; Form compound fertilizer granules; Qualified particle gets into dehumidification system 2 with underproof particle and carries out drying, and the compound fertilizer granules that dehumidification system 2 comes out through screening system 3, is removed irrational compound fertilizer granules successively; Qualified particle gets into cooling system 4 coolings; Get into baggage systems 5 then, superscribe the agent of one deck anti-caking, get into packaging system 17 at last at particle surface.
Tablets press 1 rotation semitight cavity 6 does not rotate among the present invention, and solid materials gets into semitight cavity 6 backs and gets into dehumidification system 2, screening system 3, cooling system 4 successively through pipeline, baggage systems 5 and packaging system 17; Because the sealing of semitight cavity 6 upper part can not get in the tablets press 1 so contain the gas of dust once more; The gas that contains dust gets into fly-ash separator 8 backs and gets in the washers 9, and through washing back emptying up to standard, a washing water part gets into complex acid jar 10, and to be used for configuration concentration be 60% dilute sulphuric acid, and another part gets in the tablets press and is used to increase granulation humidity; The dilute sulphuric acid that configures in the complex acid jar 10 gets in the tablets press 1; Gas ammonia in the gas ammonia storage tank 12 gets into the bottom of tablets press 1, apart from 1.2 meters of imports.
As shown in Figure 2; Concentration is 60% dilute sulphuric acid in the tablets press 1; The shower nozzle of gas ammonia jet pipe 16 and liquefied ammonia jet pipe 11 is positioned at position, tablets press lower middle; Shower nozzle and tablets press radially vertical surface are 42 degree angles, and this angle can either satisfy the sour granulation demand of spray, can well avoid material to get into jet pipe again and result in blockage.
Embodiment one
Make 304 kilograms when of the present invention, be made up of following raw materials according: 114 kilograms of monoammonium phosphates, Repone K 84, ammonium chloride 83, concentration are 15 kilograms of 60% dilute sulphuric acids and 8 kilograms in liquefied ammonia.
Embodiment two
Make 1272 kilograms when of the present invention, be made up of following raw materials according: 546 kilograms of monoammonium phosphates, 334 kilograms in Repone K, 333 kilograms of ammonium chlorides, concentration are 35 kilograms of 60% dilute sulphuric acids and 24 kilograms in liquefied ammonia.
Embodiment three
Make 788 kilograms when of the present invention, be made up of following raw materials according: 330 kilograms of monoammonium phosphates, 209 kilograms in Repone K, 208 kilograms of ammonium chlorides, concentration are 25 kilograms of 60% dilute sulphuric acids and 16 kilograms in liquefied ammonia.
Embodiment four
Make 3050 kilograms when of the present invention, be made up of following raw materials according: 1140 kilograms of monoammonium phosphates, 840 kilograms in Repone K, 830 kilograms of ammonium chlorides, concentration are 150 kilograms of 60% dilute sulphuric acids, 80 kilograms in liquefied ammonia and 10 kilograms in urea.
Embodiment five
Make 17640 kilograms when of the present invention, be made up of following raw materials according: 5460 kilograms of monoammonium phosphates, 3340 kilograms in Repone K, 3330 kilograms of ammonium chlorides, concentration are 350 kilograms of 60% dilute sulphuric acids, 240 kilograms in liquefied ammonia and 4920 kilograms in urea.
Embodiment six
Make 10345 kilograms when of the present invention, be made up of following raw materials according: 3300 kilograms of monoammonium phosphates, 2090 kilograms in Repone K, 2080 kilograms of ammonium chlorides, concentration are 250 kilograms of 60% dilute sulphuric acids, 160 kilograms in liquefied ammonia and 2465 kilograms in urea.
Claims (2)
1. filler-free composite fertilizer; It is characterized in that: be made up of following raw materials by weight portion: 114 parts～546 parts of monoammonium phosphates, 84 parts～334 parts in Repone K, 83 parts～333 parts of ammonium chlorides, concentration are 15 parts～35 parts of 60% dilute sulphuric acids and 8 parts～24 parts in liquefied ammonia.
2. according to the described filler-free of claims 1 composite fertilizer, it is characterized in that: the raw material that in above-mentioned filler-free composite fertilizer, adds following parts by weight is prepared: 1 part～492 parts in urea.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104398141A CN102515921A (en) | 2011-12-26 | 2011-12-26 | Filler-free compound fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104398141A CN102515921A (en) | 2011-12-26 | 2011-12-26 | Filler-free compound fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102515921A true CN102515921A (en) | 2012-06-27 |
Family
ID=46287065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104398141A Pending CN102515921A (en) | 2011-12-26 | 2011-12-26 | Filler-free compound fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102515921A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222990A (en) * | 1974-10-07 | 1980-09-16 | Pennzoil Company | Production of fluoride-free phosphates |
| CN101717289A (en) * | 2009-11-30 | 2010-06-02 | 天津芦阳化肥股份有限公司 | Method for producing Nitrogen-Phosphorus-Potassium compound fertilizer by ammonia and acid tubular reactor |
| CN101921149A (en) * | 2010-08-24 | 2010-12-22 | 中盐安徽红四方股份有限公司 | Filler-free synergistic compound fertilizer produced by urine syrup ammonia-acid method and production method thereof |
-
2011
- 2011-12-26 CN CN2011104398141A patent/CN102515921A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222990A (en) * | 1974-10-07 | 1980-09-16 | Pennzoil Company | Production of fluoride-free phosphates |
| CN101717289A (en) * | 2009-11-30 | 2010-06-02 | 天津芦阳化肥股份有限公司 | Method for producing Nitrogen-Phosphorus-Potassium compound fertilizer by ammonia and acid tubular reactor |
| CN101921149A (en) * | 2010-08-24 | 2010-12-22 | 中盐安徽红四方股份有限公司 | Filler-free synergistic compound fertilizer produced by urine syrup ammonia-acid method and production method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 丁荣伟: "酸氨法无填充剂造粒新技术生产尿基复合肥", 《磷肥与复肥》 * |
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Application publication date: 20120627 |