CN101152991A - Slow release fertilizer processing technique and self-control coating device used thereof - Google Patents
Slow release fertilizer processing technique and self-control coating device used thereof Download PDFInfo
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- CN101152991A CN101152991A CNA2006100159494A CN200610015949A CN101152991A CN 101152991 A CN101152991 A CN 101152991A CN A2006100159494 A CNA2006100159494 A CN A2006100159494A CN 200610015949 A CN200610015949 A CN 200610015949A CN 101152991 A CN101152991 A CN 101152991A
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Abstract
A production process of slow-release fertilizer has the following steps: 1. the fertilizer is enclosed in an enveloping area and hoisted; and the film coating at a temperature between 50 and 60 DEG C is sprayed; 2. the fertilizer particles with the sprayed film coating enter a smooth area and keep uniform; 3. the uniform fertilizer particles enter a drying area, are raised upward and dried by hot air so as to finish a one-time film coating process; 4. the dried fertilizer particles are filled into a cooling device to be cooled. Then the product can be prepared. The present invention has the advantages of simple process, easy operation, easy promotion and cost-saving performances. The slow-release effects of film coating materials can be made full use of. The slow-release fertilizers of different slow-release time can be produced at a time with time control. The process can realize a secondary film coating so as to finish the coating process of single fertilizer at the same time.
Description
Technical field:
The invention belongs to the slow release fertilizer technical field, particularly the production technique of slow release fertilizer and employed self-control coating device thereof.
Background technology:
Currently marketed agricultural fertilizer is many based on mineral manure, this class fertilizer since the fertilizer self property after being manured into soil, early stage release property is strong, easily volatilization loss, utilization ratio low, cause resource waste and pollution atmosphere and edatope.Therefore, produce and use the dissolving that can slow down fertilizer and the slow release fertilizer of release rate to become the use cost that improves utilization rate of fertilizer, reduces fertilizer and improved one of important channel of crop yield.Existing slow release fertilizer is divided into chemical combination type, coated, Envelope type and mixed type four big classes, wherein, film-coated and slow release fertilizer gains great popularity with its good releasing effect, but because existing coating process can't be realized the function that coated fertilizer has, so film-coated and slow release fertilizer does not also use widely in China.
Summary of the invention:
Purpose of the present invention just is to overcome above-mentioned the deficiencies in the prior art, and a kind of production technique of slow release fertilizer and the coating device of employed automatic control thereof are provided, and this technology can make the slow release effect of coated fertilizer give full play to, and it is easily promoted the use of.This apparatus structure is simple, easy to use.
Technical scheme of the present invention is: a kind of production technique of slow release fertilizer is characterized in that: finish according to the following step: kick up in the coating district of 1. fertilizer being packed into, and the spray temperature is 50-60 ℃ coating agent; 2. making the fertiliser granulates that has sprayed the coating agent enter level and smooth district keeps evenly; 3. make uniform fertiliser granulates enter baking zone and throw and use hot-air seasoning, thereby finish the coating process one time; 4. the fertiliser granulates after will drying is packed into and is cooled off in the refrigerating unit, gets final product.
Above-mentioned fertilizer comprises conventional composite fertilizer and straight fertilizer.
Above-mentioned coating agent comprises three kinds of coating agent that slow-release time is different, and they carry out the control of spray time by time-controlling arrangement when spray.
Above-mentioned straight fertilizer need carry out the process that secondary coating process is finished the agent of parcel coating.
A kind of employed self-control coating device of production technique that utilizes above-mentioned slow release fertilizer is characterized in that: be made up of coating agent conservation tank and coating tube, warming apparatus is installed in the coating agent conservation tank, this device is connected with temperature, time-controlling arrangement; In the coating tube coating device is set, the two ends of this coating device are coating district and baking zone, form level and smooth district between them; Some flights are installed in coating district and the baking zone, and angle in becoming between the barrel of these flights and coating tube is equipped with coating agent nozzle and high-pressure air nozzle in the coating district; Coating agent conservation tank and coating agent nozzle pass through pipe connection; The middle part of coating tube is provided with thermal chimney.
Angle is between 45 degree-75 degree in becoming between the barrel of above-mentioned flight and coating tube.
The air outlet of above-mentioned thermal chimney extends to the engagement edge of level and smooth district and baking zone.
In the above-mentioned coating tube secondary coating device can be set continuously, wherein the air outlet of thermal chimney extends to the level and smooth district of secondary of the coating device second time and the engagement edge in secondary drying district.
Advantage of the present invention is: technology is simple, easily row, be easy to promote, save cost.Coating is thrown in employing, smoothly the coating process is finished in even, the oven dry of kicking up, and therefore the slow release effect of coated fertilizer can be given full play to.And once produce the slow release fertilizer of different slow-release time by time control.This technology can realize simultaneously that also the secondary coating finishes the coating process of straight fertilizer.Utilize the employed self-control coating device of this technology simple in structure, easy to use.
Description of drawings:
Fig. 1 is the structural representation of self-control coating device of the present invention;
Fig. 2 is the structural representation of self-control coating device secondary coating of the present invention.
Embodiment:
Embodiment 1:
As shown in Figure 1: a kind of slow-release fertilizer self-control coating device is made up of one group of coating agent conservation tank 1 and coating tube 2, and one group of coating agent deposit is irritated and is made up of three coating agent conservation tanks, and each deposit is equipped with three kinds of coating agent that slow-release time is different respectively in irritating.Warming apparatus 3 is installed in the coating agent conservation tank, and this device is connected with temperature, time-controlling arrangement 4; In the coating tube coating device is set, the two ends of this coating device are coating district 5 and baking zone 6, form level and smooth district 7 between them; Some flights 8 are installed in coating district and the baking zone, become the interior angles of 45 degree-75 degree between the barrel of these flights and coating tube, coating agent nozzle 9 and high-pressure air nozzle 10 are housed in the coating district; Coating agent conservation tank and coating agent nozzle pass through pipe connection; The middle part of coating tube is provided with thermal chimney 11.The air outlet of thermal chimney extends to the engagement edge of level and smooth district and baking zone.The working process of this device is: composite fertilizer is packed in the coating tube, at first with the flight in the coating district it is thrown aloft.Then temperature being controlled at coating agent between 50-60 ℃ is passed in the coating agent nozzle in the coating district and sprays, the high-pressure air of high-pressure air nozzle ejection simultaneously, and in coating agent nozzle place formation negative pressure, attract the coating agent to mix ejection with high-pressure air, form vaporific gas, thereby form the coating process, the coating agent is sprayed on the fertilizer surface.The composite fertilizer that has sprayed enters level and smooth district, and compound fertilizer granules is kept evenly, enters baking zone then and kicks up with the temperature that feeds after 85-100 ℃ hot blast is dried, and enters refrigerating unit 17 at last, and cooling gets final product.The coating agent that above-mentioned three kinds of slow-release time are different can be carried out the control of spray time by temperature, time-controlling arrangement.Said temperature, time-controlling arrangement are connected to form by the magnetic valve and the time relay.
Embodiment 2:
As shown in Figure 2: in the coating tube secondary coating device can be set continuously, by secondary coating district 12, secondary smoothly distinguish 13 and secondary drying district 14 form, wherein the air outlet of thermal chimney extends to the level and smooth district of secondary of secondary coating device and the engagement edge in secondary drying district.Coating district nozzle 9,15 in twice coating device is connected with one group of coating agent conservation tank 1,16 respectively.The working process of this device is: urea is packed in the coating tube, with flight it is thrown aloft in a coating district.Be controlled at coating agent between 50-60 ℃ with temperature and be passed in the coating agent nozzle in the coating district and spray this moment, formed negative pressure when the high-pressure air nozzle sprayed coating agent nozzle simultaneously herein, attract the coating agent to mix ejection with high-pressure air, form vaporific gas, thereby form the coating process, the coating agent sprays on the fertilizer surface.The urea that has sprayed enters level and smooth district, and urea granules is kept evenly, enters baking zone then and kicks up and dry at 85-100 ℃ hot blast with the temperature of feeding.Carry out the coating second time then, the coating process enters refrigerating unit 17 at last with the coating process is identical for the first time, and cooling gets final product.
Claims (8)
1. the production technique of a slow release fertilizer, it is characterized in that: finish according to the following step: kicks up in the coating district of 1. fertilizer being packed into, and the spray temperature is 50-60 ℃ coating agent; 2. making the fertiliser granulates that has sprayed the coating agent enter level and smooth district keeps evenly; 3. make uniform fertiliser granulates enter baking zone and throw and use hot-air seasoning, thereby finish the coating process one time; 4. the fertiliser granulates after will drying is packed into and is cooled off in the refrigerating unit, gets final product.
2. the production technique of slow release fertilizer according to claim 1 is characterized in that: above-mentioned fertilizer comprises conventional composite fertilizer and straight fertilizer.
3. the production technique of slow release fertilizer according to claim 1, it is characterized in that: above-mentioned coating agent comprises three kinds of coating agent that slow-release time is different, they carry out the control of spray time by time-controlling arrangement when spray.
4. the production technique of slow release fertilizer according to claim 1 and 2 is characterized in that: above-mentioned straight fertilizer need carry out the process that secondary coating process is finished the agent of parcel coating.
5. employed self-control coating device of production technique that utilizes above-mentioned slow release fertilizer is characterized in that: be made up of coating agent conservation tank and coating tube, warming apparatus is installed in the coating agent conservation tank, this device is connected with temperature, time-controlling arrangement; In the coating tube coating device is set, the two ends of this coating device are coating district and baking zone, form level and smooth district between them; Some flights are installed in coating district and the baking zone, and angle in becoming between the barrel of these flights and coating tube is equipped with coating agent nozzle and high-pressure air nozzle in the coating district; Coating agent conservation tank and coating agent nozzle pass through pipe connection; The middle part of coating tube is provided with thermal chimney.
6. the employed self-control coating device of production technique that utilizes above-mentioned slow release fertilizer according to claim 5 is characterized in that: angle is between 45 degree-75 degree in becoming between the barrel of above-mentioned flight and coating tube.
7. the employed self-control coating device of production technique that utilizes above-mentioned slow release fertilizer according to claim 5, it is characterized in that: the air outlet of above-mentioned thermal chimney extends to the engagement edge of level and smooth district and baking zone.
8. the employed self-control coating device of production technique that utilizes above-mentioned slow release fertilizer according to claim 5, it is characterized in that: in the above-mentioned coating tube secondary coating device can be set continuously, wherein the air outlet of thermal chimney extends to the level and smooth district of secondary of secondary coating device and the engagement edge in secondary drying district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100159494A CN101152991A (en) | 2006-09-26 | 2006-09-26 | Slow release fertilizer processing technique and self-control coating device used thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100159494A CN101152991A (en) | 2006-09-26 | 2006-09-26 | Slow release fertilizer processing technique and self-control coating device used thereof |
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| CN101152991A true CN101152991A (en) | 2008-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2006100159494A Pending CN101152991A (en) | 2006-09-26 | 2006-09-26 | Slow release fertilizer processing technique and self-control coating device used thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126896A (en) * | 2011-04-22 | 2011-07-20 | 湖北富邦科技股份有限公司 | Method for producing water-soluble resin coating of slow release fertilizer and coating device |
| CN101481277B (en) * | 2009-02-18 | 2012-01-11 | 烟台五洲施得富肥料有限公司 | Special equipment for slow release fertilizer coating powder spraying |
| CN102399115A (en) * | 2011-10-24 | 2012-04-04 | 山东农大肥业科技有限公司 | Staged coating device for continuously producing coated controlled release fertilizer |
| CN104609941A (en) * | 2014-12-23 | 2015-05-13 | 扬州雷鸥电业有限公司 | A continuous settlement type coating and drying device for preparing a coated fertilizer and a method |
| CN104961589A (en) * | 2015-07-09 | 2015-10-07 | 安徽莱姆佳生物科技股份有限公司 | Coating machine for producing bio-fertilizer special for weeding in rice field |
-
2006
- 2006-09-26 CN CNA2006100159494A patent/CN101152991A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481277B (en) * | 2009-02-18 | 2012-01-11 | 烟台五洲施得富肥料有限公司 | Special equipment for slow release fertilizer coating powder spraying |
| CN102126896A (en) * | 2011-04-22 | 2011-07-20 | 湖北富邦科技股份有限公司 | Method for producing water-soluble resin coating of slow release fertilizer and coating device |
| CN102399115A (en) * | 2011-10-24 | 2012-04-04 | 山东农大肥业科技有限公司 | Staged coating device for continuously producing coated controlled release fertilizer |
| CN104609941A (en) * | 2014-12-23 | 2015-05-13 | 扬州雷鸥电业有限公司 | A continuous settlement type coating and drying device for preparing a coated fertilizer and a method |
| CN104961589A (en) * | 2015-07-09 | 2015-10-07 | 安徽莱姆佳生物科技股份有限公司 | Coating machine for producing bio-fertilizer special for weeding in rice field |
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Open date: 20080402 |