CN101993268A - Selenium urea formaldehyde roller pelleting compound fertilizer and production method thereof - Google Patents
Selenium urea formaldehyde roller pelleting compound fertilizer and production method thereof Download PDFInfo
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- CN101993268A CN101993268A CN 200910018209 CN200910018209A CN101993268A CN 101993268 A CN101993268 A CN 101993268A CN 200910018209 CN200910018209 CN 200910018209 CN 200910018209 A CN200910018209 A CN 200910018209A CN 101993268 A CN101993268 A CN 101993268A
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Abstract
The invention relates to a fertilizer, in particular to a selenium urea formaldehyde roller pelleting compound fertilizer and a production method thereof. After selenium urea formaldehyde is added into the compound fertilizer, agricultural products enriched in selenium cannot only be produced; because a nitrogen element and a selenium element in the selenium urea formaldehyde are chelated, the selenium urea formaldehyde roller pelleting compound fertilizer has a certain release function, and the fertilizer efficacy time is long so as to improve the yield of the crops. On the other hand, the compound fertilizer adopts circulation cooling in the production process and the cooling process, so that fertilizer particles are fully cooled, along with the adhesion of the selenium urea formaldehyde, so that the particle hardness of the compound fertilizer product is high, less water content is introduced into the production without drying, so as to greatly save energy sources.
Description
Technical field
The present invention relates to a kind of fertilizer, particularly a kind of selenourea formaldehyde cylinder granulated compound fertilizer and production method thereof.
Background technology
In the present technical field of producing chemical composite fertilizer, general common Quan Yuanfei is except containing nitrogen, and phosphorus outside the potassium, also contains trace elements such as zinc, copper, boron, molybdenum, but does not contain selenium, so can not produce the agricultural-food of rich selenium.As everyone knows, selenium is the movable indispensable trace element of people's life.It is the antioxidant in the red corpuscle---the important component of glutathione peroxidase, competent selenium can impel glutathione peroxidase to change the intravital hydrogen peroxide of people into water effectively; Selenium still is the composition of superoxide dismutase, and this kind of enzyme can be eliminated free radical, makes the catecholamine that participates in the human body blood pressure regulation keep normal level; In addition, the plurality of enzymes that contains selenium can be regulated thyroid work, and it is proteic synthetic to participate in amino acid and sperm tail.An amount of selenium can be reconciled the absorption of human body to vitamin A CEK, promotes the increase of immunoglobulin (Ig) in the body, strengthens body immunity, delays senility, and removes objectionable impurities in the human body, avoids vital role such as toxigenicity.
At present, China's composite fertilizer producing process mainly contains drum process, mortar jetting method, extrusion process, high tower method, disk method etc.Wherein drum process is that agramon, monoammonium phosphate or diammonium phosphate, Repone K, concrete fertilizer or the like raw material is mixed according to certain proportioning, carry out the balling-up of cylinder steam granulation then, through super-dry, screening, cooling, face powder oil spout, finished product or semi finished package, the cylinder granulated compound fertilizer of checking qualifiedly.This kind composite fertilizer mode of production has balling ratio height (can reach 70%), operation of equipment is simple, work elasticity is big, easy to maintenance, stop the material wall sticking phenomenon, alleviated working strength of workers, prolonged the advantages such as work-ing life of equipment greatly, but it is big to exist following defective (1) proportioning limitation, almost can not produce as the composite fertilizer of high nitrogen type; (2) roller composite fertilizer is a quick-acting fertilizer, and nutrient discharges fast, can only satisfy the fertile requirement of the of short duration need of crop, and unabsorbable fertilizer major part run off, and causes ecological environmental pollution; (3) increased steam in the roller composite fertilizer production process, made the fertilizer globulate, the finished product of generation then need be dried moisture, and drying course is to need heat energy, and wherein steam and heat all are to be provided by coal combustion, promptly produces 1 ton of composite fertilizer and needs 0.05-0.09 ton mark coal.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and a kind of selenium element that is rich in is provided, the pellet hardness height, the fertilizer efficiency time is normal, can improve crop yield and production technique simple and selenourea formaldehyde cylinder granulated compound fertilizer and production method thereof that can save energy.
The objective of the invention is to realize: a kind of selenourea formaldehyde cylinder granulated compound fertilizer by following scheme, comprise urea formaldehyde, Repone K, monoammonium phosphate, five hydration Sodium Selenites, moisture and ash content, each composition is by weight: urea formaldehyde 0.19～0.74, Repone K 0.08～0.30, monoammonium phosphate 0.11～0.38, five hydration Sodium Selenites 0.0187～0.0335, moisture 0.03-0.05, ash content 0.02--0.12.
More than the optimum weight of Zu Chenging is: urea formaldehyde 0.38 Repone K 0.25, monoammonium phosphate 0.21, five hydration Sodium Selenite 0.0281, moisture 0.035, ash content 0.0969.
Selenourea formaldehyde is synthetic with 2: 3 weight ratio and Sodium selenite (Na2SeO3) pentahydrate by urea and formaldehyde, and wherein Sodium selenite (Na2SeO3) pentahydrate weight 0.0187～0.0335.
The production method of above-mentioned selenourea formaldehyde cylinder granulated compound fertilizer is:
1) with formaldehyde solution by storage tank, by being pumped into urea evaporization process second fusion tank, simultaneously also five hydration Sodium Selenites are sent into second fusion tank by gauger, formaldehyde and urine and five hydration selenous acid diluents react in second fusion tank and follow-up operation thereof, reaction time is 1～10 hour, the pH value of solution is controlled at 6～8, and the selenourea formaldehyde chelate solution of generation directly adds pump intake;
2) monoammonium phosphate, Repone K and ash content are poured the tempering tank stirring into, mix, and send into pulverizer by transport tape, and the pulverizing caking fertilizer of pulverizing after luming imports the granulation cylinder into through transport tape again;
3) with vibrated fluidized bed pyritous selenourea formaldehyde inner complex is flowed, make its solution even, extrude uniform high temperature selenourea formaldehyde inner complex with high-pressure pump again, spray from top to down becomes mist, enters the cylinder granulation and mixes formation selenourea formaldehyde fertiliser granulates with pulverizing caking fertilizer;
4) selenourea formaldehyde fertiliser granulates is behind sub-sieve, and sieving greater than the bulk selenourea formaldehyde fertiliser granulates of 10mm enters transport tape, imports pulverizer into, returns tempering tank through transport tape then; Selenourea formaldehyde fertiliser granulates less than 10mm passes to cooling drum through transport tape, passes to cooling drum through transport tape again, passes cooling drum back by transport tape then, reaches the purpose of refrigeration cycle after three coolings;
5) above-mentioned selenourea formaldehyde fertiliser granulates less than 10mm enters sub-sieve through lift, and diameter turns back to tempering tank greater than the selenourea formaldehyde fertiliser granulates of 2mm by transport tape and utilizes; Diameter enters sub-sieve less than the selenourea formaldehyde fertiliser granulates of 2mm, and diameter is transferred to tempering tank less than the particle of 0.2mm by transport tape and utilizes once more; Diameter is entering transport tape greater than 0.2mm less than the selenourea formaldehyde fertiliser granulates between the 2mm, transport tape is sent to face powder and oil spout cylinder with it, by lift it is passed to the work in-process groove then, pack, obtain finished product selenourea formaldehyde cylinder granulated compound fertilizer at last.
Below with selenourea formaldehyde cylinder granulated compound fertilizer of the present invention and cylinder granulated compound fertilizer 45% (N-P
2O
5-K
2O=20-10-15) done one group of sub-district experiment:
For the rice varieties that tries the water is that strain two is excellent 02, and soil is brown earth.Every mu of 60kg cylinder granulated compound fertilizer is adopted in the contrast district, and the amount ratio contrast of selenourea formaldehyde of the present invention composite fertilizer reduces 10%, adopts every mu of 54kg, same kind, and same field piece carries out plot experiment, and specifically test-results sees the following form:
The beneficial effect that the present invention is obtained: as can be seen from the above table, on the one hand, after in compound manure, being added with selenourea formaldehyde composition, can not only produce the agricultural-food that are rich in selenium, and because nitrogen and selenium element in the selenourea formaldehyde are chelatings, have certain slow-release function, so the fertilizer efficiency time is long, crop yield can be provided; On the other hand, composite fertilizer of the present invention process of cooling in the process of producing adopts the circulation cooling, makes fertiliser granulates fully cool off, the binding property that adds selenourea formaldehyde can make complex fertilizer product pellet hardness height, it is few to introduce moisture aborning, need not oven dry, has saved the energy greatly.
Description of drawings
Fig. 1 selenourea formaldehyde cylinder granulation compound fertilizer production technology figure
Embodiment
Embodiment 1
A kind of selenourea formaldehyde cylinder granulated compound fertilizer comprises urea formaldehyde, Repone K, monoammonium phosphate, five hydration Sodium Selenites, moisture and ash content, each composition is by weight: urea formaldehyde 0.44, Repone K 0.25, monoammonium phosphate 0.17, five hydration Sodium Selenite 0.0187, moisture 0.03, ash content 0.02.Wherein urea formaldehyde is synthetic by 2: 3 weight by urea and formaldehyde, and urea is selected N-P for use
2O
5-K
2O=46-0-0.
Embodiment 2
A kind of selenourea formaldehyde cylinder granulated compound fertilizer comprises urea formaldehyde, Repone K, monoammonium phosphate, five hydration Sodium Selenites, moisture and ash content, each composition is by weight: urea formaldehyde 0.38, Repone K 0.25, monoammonium phosphate 0.21, five hydration Sodium Selenite 0.0281, moisture 0.035, ash content 0.0969.Wherein urea formaldehyde is synthetic by 2: 3 weight by urea and formaldehyde, and urea is selected N-P for use
2O5-K
2O=46-0-0.
Embodiment 3
A kind of selenourea formaldehyde cylinder granulated compound fertilizer comprises urea formaldehyde, Repone K, monoammonium phosphate, five hydration Sodium Selenites, moisture and ash content, each composition is by weight: urea formaldehyde 0.74, Repone K 0.08, monoammonium phosphate 0.11, five hydration Sodium Selenite 0.0187, moisture 0.03, ash content 0.02.Wherein urea formaldehyde is synthetic by 2: 3 weight by urea and formaldehyde, and urea is selected N-P for use
2O
5-K
2O=46-0-0.
Embodiment 4
The production method of selenourea formaldehyde cylinder granulated compound fertilizer is:
1) with formaldehyde solution by storage tank, by being pumped into urea evaporization process second fusion tank, simultaneously also five hydration Sodium Selenites are sent into second fusion tank by gauger, formaldehyde and urine and five hydration selenous acid diluents react in second fusion tank and follow-up operation thereof, reaction time is 1～10 hour, the pH value of solution is controlled at 6～8, and the selenourea formaldehyde chelate solution of generation directly adds pump intake;
2) monoammonium phosphate, Repone K and ash content are poured the tempering tank stirring into, mix, and send into pulverizer 1 by transport tape 1, and the pulverizing caking fertilizer of pulverizing after luming imports granulation cylinder 1 into through transport tape 2 again;
3) with vibrated fluidized bed pyritous selenourea formaldehyde inner complex is flowed, make its solution even, extrude uniform high temperature selenourea formaldehyde inner complex with high-pressure pump again, spray from top to down becomes mist, enters cylinder granulation 1 and mixes formation selenourea formaldehyde fertiliser granulates with pulverizing caking fertilizer;
4) selenourea formaldehyde fertiliser granulates is behind sub-sieve 1, and sieving greater than the bulk selenourea formaldehyde fertiliser granulates of 10mm enters transport tape 3, imports pulverizer 2 into, through transport tape 4, returns tempering tank then; Selenourea formaldehyde fertiliser granulates less than 10mm passes to cooling drum 1 through transport tape 5, passes to cooling drum 2 through transport tape 6 again, passes cooling drum 1 back by transport tape 7 then, through reaching the purpose of refrigeration cycle after three coolings;
5) above-mentioned selenourea formaldehyde fertiliser granulates less than 10mm enters sub-sieve 2 through lift 1, and diameter turns back to tempering tank greater than the selenourea formaldehyde fertiliser granulates of 2mm by transport tape 8 and utilizes; Diameter enters sub-sieve 3 less than the selenourea formaldehyde fertiliser granulates of 2mm, and diameter is transferred to tempering tank less than the particle of 0.2mm by transport tape 9 and utilizes once more; Diameter is entering transport tape 10 greater than 0.2mm less than the selenourea formaldehyde fertiliser granulates between the 2mm, transport tape 10 is sent to face powder and oil spout cylinder with it, by lift 2 it is passed to the work in-process groove then, pack, obtain finished product selenourea formaldehyde cylinder granulated compound fertilizer at last.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change and revise above-mentioned embodiment.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although used some specific terms in this specification sheets, these terms do not constitute any restriction to the present invention just for convenience of description.
Claims (5)
1. selenourea formaldehyde cylinder granulated compound fertilizer, comprise urea formaldehyde, Repone K, monoammonium phosphate, five hydration Sodium Selenites, moisture and ash content, each composition is by weight: urea formaldehyde 0.19～0.74, Repone K 0.08～0.30, monoammonium phosphate 0.11～0.38, five hydration Sodium Selenites 0.0187～0.0335, moisture 0.03-0.05, ash content 0.02-0.12.
2. the production method of selenourea formaldehyde cylinder granulated compound fertilizer as claimed in claim 1 is:
1) with formaldehyde solution by storage tank, by being pumped into urea evaporization process second fusion tank, simultaneously also five hydration Sodium Selenites are sent into second fusion tank by gauger, formaldehyde and urine and five hydration selenous acid diluents react in second fusion tank and follow-up operation thereof, reaction time is 1～10 hour, the pH value of solution is controlled at 6～8, and the selenourea formaldehyde chelate solution of generation directly adds pump intake;
2) monoammonium phosphate, Repone K and ash content are poured the tempering tank stirring into, mix, and send into pulverizer by transport tape, and the pulverizing caking fertilizer of pulverizing after luming imports the granulation cylinder into through transport tape again;
3) with vibrated fluidized bed pyritous selenourea formaldehyde inner complex is flowed, make its solution even, extrude uniform high temperature selenourea formaldehyde inner complex with high-pressure pump again, spray from top to down becomes mist, enters the cylinder granulation and mixes formation selenourea formaldehyde fertiliser granulates with pulverizing caking fertilizer;
4) selenourea formaldehyde fertiliser granulates is behind sub-sieve, and sieving greater than the bulk selenourea formaldehyde fertiliser granulates of 10mm enters transport tape, imports pulverizer into, returns tempering tank through transport tape then; Selenourea formaldehyde fertiliser granulates less than 10mm passes to cooling drum through transport tape, passes to cooling drum through transport tape again, passes cooling drum back by transport tape then, reaches the purpose of refrigeration cycle after three coolings;
5) above-mentioned selenourea formaldehyde fertiliser granulates less than 10mm enters sub-sieve through lift, and diameter turns back to tempering tank greater than the selenourea formaldehyde fertiliser granulates of 2mm by transport tape and utilizes; Diameter enters sub-sieve less than the selenourea formaldehyde fertiliser granulates of 2mm, and diameter is transferred to tempering tank less than the particle of 0.2mm by transport tape and utilizes once more; Diameter is entering transport tape greater than 0.2mm less than the selenourea formaldehyde fertiliser granulates between the 2mm, transport tape is sent to face powder and oil spout cylinder with it, by lift it is passed to the work in-process groove then, pack, obtain finished product selenourea formaldehyde cylinder granulated compound fertilizer at last.
3. selenourea formaldehyde cylinder granulated compound fertilizer as claimed in claim 1, it is characterized in that: urea formaldehyde, Repone K, monoammonium phosphate, five hydration Sodium Selenites, the optimum weight of moisture and ash content is: urea formaldehyde 0.38 Repone K 0.25, monoammonium phosphate 0.21, five hydration Sodium Selenites 0.0281, moisture 0.035, ash content 0.0969.
4. selenourea formaldehyde cylinder granulated compound fertilizer as claimed in claim 1, it is characterized in that: urea formaldehyde, Repone K, monoammonium phosphate, five hydration Sodium Selenites, moisture and ash content, the weight of each component is: urea formaldehyde 0.44, Repone K 0.25, monoammonium phosphate 0.17, five hydration Sodium Selenites 0.0187, moisture 0.03, ash content 0.02.
5. selenourea formaldehyde cylinder granulated compound fertilizer as claimed in claim 1, it is characterized in that: urea formaldehyde, Repone K, monoammonium phosphate, five hydration Sodium Selenites, moisture and ash content, the weight of each component is: urea formaldehyde 0.74, Repone K 0.08, monoammonium phosphate 0.11, five hydration Sodium Selenites 0.0187, moisture 0.03, ash content 0.02.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910018209 CN101993268B (en) | 2009-08-25 | 2009-08-25 | Selenium urea formaldehyde roller pelleting compound fertilizer and production method thereof |
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| CN 200910018209 CN101993268B (en) | 2009-08-25 | 2009-08-25 | Selenium urea formaldehyde roller pelleting compound fertilizer and production method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102153392A (en) * | 2011-04-08 | 2011-08-17 | 山东聊城鲁西化工第五化肥有限公司 | Production method of novel slow release urea-formaldehyde compound fertilizer |
| CN103011982A (en) * | 2012-12-29 | 2013-04-03 | 山东金正大生态工程股份有限公司 | Industrial production method and device of urea-formaldehyde slow-release compound fertilizer |
| CN103204722A (en) * | 2013-04-19 | 2013-07-17 | 上海市农业科学院 | Watermelon long-season cultivation slow-release formulated fertilizer and applications thereof |
| CN103980070A (en) * | 2014-05-10 | 2014-08-13 | 青岛乡润生物科技有限公司 | Synergistic-type special slow release fertilizer for peanut |
| CN104045467A (en) * | 2014-07-05 | 2014-09-17 | 山东史贝美肥料股份有限公司 | Ecological environment-friendly urea chelated compound fertilizer and preparation method thereof |
| CN104109054A (en) * | 2013-04-18 | 2014-10-22 | 云中英 | Production process and production device of urea formaldehyde slow-release synergistic fertilizer |
| CN104591882A (en) * | 2014-12-31 | 2015-05-06 | 辽宁南洋肥业有限公司 | Preparation method of full-effect selenium-containing slow-release drug fertilizer |
| CN106187386A (en) * | 2016-07-21 | 2016-12-07 | 史丹利化肥当阳有限公司 | A kind of Oryza sativa L. special selenourea slow-release compound fertilizer and production technology thereof |
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| CN1166927A (en) * | 1997-05-27 | 1997-12-10 | 黄金荣 | Methylol urea composite additives and productive method thereof |
| WO2003082775A1 (en) * | 2002-03-26 | 2003-10-09 | Georgia-Pacific Resines, Inc. | Slow release nitrogen root treatment |
| CN1288116C (en) * | 2003-08-21 | 2006-12-06 | 北京市农林科学院植物营养与资源研究所 | Water-retaining slow-releasnig fertilizer |
| CN100513359C (en) * | 2005-07-08 | 2009-07-15 | 上海化工研究院 | Method for preparing slow-release multielement compound-mixed fertilizer for forest trees |
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2009
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| CN102153392B (en) * | 2011-04-08 | 2014-04-23 | 山东聊城鲁西化工第五化肥有限公司 | Production method of novel slow release urea-formaldehyde compound fertilizer |
| CN102153392A (en) * | 2011-04-08 | 2011-08-17 | 山东聊城鲁西化工第五化肥有限公司 | Production method of novel slow release urea-formaldehyde compound fertilizer |
| CN103011982A (en) * | 2012-12-29 | 2013-04-03 | 山东金正大生态工程股份有限公司 | Industrial production method and device of urea-formaldehyde slow-release compound fertilizer |
| CN103011982B (en) * | 2012-12-29 | 2014-12-31 | 金正大生态工程集团股份有限公司 | Industrial production method and device of urea-formaldehyde slow-release compound fertilizer |
| CN104109054A (en) * | 2013-04-18 | 2014-10-22 | 云中英 | Production process and production device of urea formaldehyde slow-release synergistic fertilizer |
| CN103204722A (en) * | 2013-04-19 | 2013-07-17 | 上海市农业科学院 | Watermelon long-season cultivation slow-release formulated fertilizer and applications thereof |
| CN103204722B (en) * | 2013-04-19 | 2014-07-30 | 上海市农业科学院 | Watermelon long-season cultivation slow-release formulated fertilizer and applications thereof |
| CN103980070B (en) * | 2014-05-10 | 2016-04-06 | 青岛乡润生物科技有限公司 | A kind of Synergistic type peanut Slow release special fertilizer |
| CN103980070A (en) * | 2014-05-10 | 2014-08-13 | 青岛乡润生物科技有限公司 | Synergistic-type special slow release fertilizer for peanut |
| CN104045467A (en) * | 2014-07-05 | 2014-09-17 | 山东史贝美肥料股份有限公司 | Ecological environment-friendly urea chelated compound fertilizer and preparation method thereof |
| CN104591882A (en) * | 2014-12-31 | 2015-05-06 | 辽宁南洋肥业有限公司 | Preparation method of full-effect selenium-containing slow-release drug fertilizer |
| CN104591882B (en) * | 2014-12-31 | 2017-12-22 | 辽宁南洋肥业有限公司 | A kind of preparation method of full effect slow releasing medicinal containing selenium fertilizer |
| CN106187386A (en) * | 2016-07-21 | 2016-12-07 | 史丹利化肥当阳有限公司 | A kind of Oryza sativa L. special selenourea slow-release compound fertilizer and production technology thereof |
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|---|---|
| CN101993268B (en) | 2012-11-28 |
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Application publication date: 20110330 Assignee: STANLEY FERTILIZER NINGLING CO., LTD. Assignor: Stanley Fertilizer Stock Co., Ltd. Contract record no.: 2013410000089 Denomination of invention: Selenium urea formaldehyde roller pelleting compound fertilizer and production method thereof Granted publication date: 20121128 License type: Exclusive License Record date: 20131105 |
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Address after: 276000 STANLEY chemical fertilizer Limited by Share Ltd, Linshu Economic Development Zone, Linyi, Shandong Patentee after: STANLEY agricultural group Limited by Share Ltd Address before: 276000 STANLEY chemical fertilizer Limited by Share Ltd, Linshu Economic Development Zone, Linyi, Shandong Patentee before: Stanley Fertilizer Stock Co., Ltd. |