CN101481282A - Production process of multiple-effect carbon nitrogen fertilizer - Google Patents
Production process of multiple-effect carbon nitrogen fertilizer Download PDFInfo
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- CN101481282A CN101481282A CNA2008100592070A CN200810059207A CN101481282A CN 101481282 A CN101481282 A CN 101481282A CN A2008100592070 A CNA2008100592070 A CN A2008100592070A CN 200810059207 A CN200810059207 A CN 200810059207A CN 101481282 A CN101481282 A CN 101481282A
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- charcoal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention discloses a production method of multieffect charcoal nitrogen fertilizer. The charcoal nitrogen fertilizer is made by bonding inner granular nitrogen fertilizer (urea or ammonium bicarbonate accounting for 50-80% of total weight) and outer charcoal (charcoal including bamboo charcoal, charcoal, straw and the like fired waste and accounting for 15-40% of the total weight) with a macromolecular organic binder. The fertilizer changes the release environment of nitrogenous chemical fertilizers in soil and improves slow release performance and availability of the nitrogen fertilizer by unique physical and chemical properties of the charcoal, and the charcoal can be preserved in the soil for a longer time, and has important effects on a plurality of aspects such as improving physical structure and microbial activity of the soil, the adsorption and decomposition capacity of the soil to contaminant, carbon sink and the like. The fertilizer has simple production process and low cost and is an environmental-friendly slow release fertilizer.
Description
Technical field
The invention belongs to a kind of fertilizer manufacture method, particularly a kind of fertilizer of efficient, the multifunctional slow-release that continues.
Background technology
The production and consumption amount of China's chemical fertilizer all occupies first place in the world, along with the further growth of population and the minimizing of land resources, the usage quantity of chemical fertilizer will continue to increase, but compared with developed countries, the chemical fertilizer utilization ratio of China is lower, this season utilization ratio as the farmland nitrogen has only 30%～35%, a large amount of nitrogen losses is to cause pollution of area source, cause huge energy loss and serious environmental to destroy, therefore, how controlling the nitrogen loss in farmland, is the important content of realizing Agricultural Clean and sustainable development.The research of control/slow-release fertilizer is subjected to extensive concern in recent years, and it is one of major fields of Future in China fertilizer development in 30 years.Compare with traditional fertilizer, control/slow-release fertilizer can or weaken the pollution of chemical fertilizer to environment from source control, improves the utilization ratio of chemical fertilizer.Control/slow-release fertilizer can be divided into coating and two big classes non-coating because its nutrient releasing mechanism is different, coated fertilizer is to be core with graininess fertilizer (nitrogen or compound nitrogen phosphate fertilizer etc.), and the top layer applies the inorganic substance or the organic polymer of one or more layers low water solubility or microsolubility.But not coat fertilizer is meant other combination of controlled-release material and fertilizer, and it is different and have bigger difference that controlled release mechanism is often looked raw material.Coated fertilizer can be divided into two types of organic coated fertilizer and inorganic coated fertilizers with the coated fertilizer difference, organic coated fertilizer is to form the dead front type coating with fusion such as macromolecule organic material such as resin or dissolving by equipment such as fluidized-bed spraying fertiliser granulates surface, and inorganic coated fertilizer is meant that the effect by binding agent invests inorganic coated fertilizer (as ground phosphate rock, clay, magnesium oxide etc.) on the fertiliser granulates.In the past few decades, although have controlled-release effect controlled release fertilizer preferably both at home and abroad, their large-scale application aspect agriculture production are also very limited, and most important reason is that their cost is too high.Therefore, seek the key that a kind of cheap, well behaved controlled-release material becomes the fertile development of controlled release.
Charcoal is the solids that wooden resource forms after pyrolysis, and it has the big and characteristics such as hole is many, (physics with chemical) adsorptivity is strong of specific surface area.These proterties of charcoal can be adjusted in certain scope by certain production technique.Researchs more both domestic and external prove, and charcoal can be preserved the long time in soil, and it can be as the carrier of soil moisture, microorganism and organotrophy composition, have great importance safeguarding on soil fertility and the soil ecology function.This invention proposes to change the release environment of nitrogen fertilizer (carbon ammonium, urea etc.) in soil with physics, the chemical property of utilizing the bamboo charcoal uniqueness, and the carbon nitrogen fertilizer of preparation controlled release, slowly-releasing, this carbon nitrogen fertilizer will obtain the effect of achieving many things at one stroke in actual applications.By the compound use of charcoal and nitrogenous fertilizer, can improve the utilization ratio of nitrogenous fertilizer, increase absorption, the capacity of decomposition of soil to pollutent, reach the purpose of improving environment, also can increase soil carbon and converge.Simultaneously, utilize the industrial wood waste of some timber, bamboo wood and farm crop tangerine bar to produce charcoal, can improve the utilising efficiency of these waste resources effectively, promote the environmental protection and the recycle of resource.
Summary of the invention
The object of the present invention is to provide and a kind ofly can improve Soil structure, fertility again by the slowly-releasing nitrogen, improved the carbon nitrogen fertilizer production method that soil carbon is converged.
For achieving the above object, the present invention adopts the fine particle (crossing 40 mesh sieves) of charcoal (charcoal that the waste of bamboo charcoal, charcoal and tangerine bar is fired) to be wrapped on the nitrogen fertilizer, charcoal, particulate state nitrogenous fertilizer (urea, bicarbonate of ammonia), the shared weight percent of binding agent are respectively: 15-40%, 50-80%, 2-10%.
For achieving the above object, the technical solution used in the present invention is: this carbon nitrogen fertilizer is by inner layer granule shape nitrogenous fertilizer (urea or bicarbonate of ammonia, account for the 50-80% of gross weight) and outer charcoal (charcoal that bamboo charcoal, charcoal, tangerine bar the like waste are fired accounts for the 15-40% of gross weight) form through the high polymer binder bonding.This fertilizer changes the release environment of nitrogen fertilizer in soil by physics, the chemical property of utilizing the charcoal uniqueness, improve the utilization ratio of nitrogen, simultaneously, charcoal can be preserved the long time in soil, it is to increasing soil microbial activities, improve the soil physics structure, improving soil the aspects such as absorption, capacity of decomposition and carbon remittance of pollutent are all had vital role.This product manufacture is simple, and is with low cost, is a kind of eco-friendly slow-release fertilizer.
For achieving the above object, the technological step that the present invention adopts is: (1) chooses nitrogenous fertilizer (urea, the bicarbonate of ammonia) particle of certain diameter, put into reaction unit, reaction unit can be rotary drum granulator, granulating disc, stirrer, dressing machine, in reaction unit, add nitrogenous fertilizer by certain weight percent, start reaction unit; (2) nitrogenous fertilizer in reaction unit sprays a certain amount of binding agent colloidal solution, blast 60-70 ℃ of hot blast about 3 minutes, in the reactor that rotates, add a certain amount of charcoal again, spray into a certain amount of binding agent colloidal solution again after the 2-3 that remains in operation branch is planted, add charcoal again, so operate 2-3 time; (3) drying: will wrap up good charcoal fertilizer and be transported to and carry out drying in the compound vibrations drying machine, the temperature of dryer entrance inlet is 70-90 ℃, and the temperature of material outlet is 40-60 ℃; (4) sieve and be the multiple-effect carbon nitrogen fertilizer particle.
The manufacturing of charcoal: fire under temperature 350-700 ℃ condition with bamboo and wood and tangerine bar waste etc. and to form, and, cross 40 mesh sieves through levigate.
Binding agent is selected for use: one or more mixing in vinyl alcohol, polyacrylic acid, Xylo-Mucine and derivative thereof and ammonium humate, the sodium humate, be any proportioning, and earlier binding agent is made colloidal solution before use.
The carbon nitrogen fertilizer that the present invention produces has the following advantages:
(1) nitrogen of carbon nitrogen fertilizer product and carbon content can be adjusted according to the land occupation condition of soil with to the slow-release time requirement of nitrogenous fertilizer.
(2) the lapping charcoal has vital role to improving many-sides such as soil water-reataining fertilizer-keeping performance, promotion soil microbial activities, the remittance of raising soil carbon.
(3) the lapping charcoal that utilizes waste to produce is with low cost, and simple with its parcel nitrogen fertilizer process, equipment requirements is not high.
Description of drawings
Fig. 1 is the process flow sheet of the present invention's " a kind of production of multiple-effect carbon nitrogen fertilizer ".
Specific implementation
Embodiment 1:
Get one kilogram of Granular Urea, place the coating pan of dressing machine, adjust and change about 400 rev/mins.200 milliliter 4% Xylo-Mucine and ammonium humate mixing solutions (ratio each 50%) are placed dressing machine charging bucket, open the lance ejection binder solution, when urea surface is clamminess, blast 60-70 ℃ of hot blast about 3 minutes, in the coating pan that rotates, add a certain amount of charcoal again, spray into a certain amount of binding agent colloidal solution again after the 2-3 that remains in operation branch is planted, add charcoal again, so operate 2-3 time; To wrap up good charcoal fertilizer then and be transported to and carry out drying in the compound vibrations drying machine, the temperature of dryer entrance inlet is 70-90 ℃, and the temperature of material outlet is 40-60 ℃, and the multiple-effect carbon nitrogen fertilizer particle is waited in the back of sieving.
Claims (3)
1. the production method of a multiple-effect carbon nitrogen fertilizer, it is characterized in that: it is to be formed by charcoal (charcoal that bamboo charcoal, charcoal and tangerine bar the like waste are fired), particulate state nitrogenous fertilizer (urea, bicarbonate of ammonia), high polymer binder bonding, the shared weight percent of each component is: 15-40%, 50-80%, 2-10%.
2. a kind of multiple-effect carbon nitrogen fertilizer according to claim 1 is characterized in that: described charcoal (charcoal that bamboo charcoal, charcoal, tangerine bar the like waste are fired) is to form by firing under temperature 350-700 ℃, and through levigate, crosses 40 mesh sieves.
3. a kind of multiple-effect carbon nitrogen fertilizer according to claim 1, it is characterized in that comprising following production stage: (1) chooses nitrogenous fertilizer (urea, the bicarbonate of ammonia) particle of certain diameter, put into reaction unit, reaction unit can be rotary drum granulator, granulating disc, stirrer, in reaction unit, drop into nitrogenous fertilizer by certain weight percent, start reaction unit; (2) nitrogenous fertilizer in reaction unit sprays a certain amount of binding agent colloidal solution, blast 60-70 ℃ of hot blast about 3 minutes, in the reaction unit that rotates, add a certain amount of charcoal again, after planting, the 2-3 that remains in operation branch sprays into a certain amount of organic polymer binding agent colloidal solution again, add charcoal again, so operate 2-3 time; (3) drying: will wrap up good charcoal fertilizer and be transported to and carry out drying in the compound vibrations drying machine, the temperature of dryer entrance inlet is 70-90 ℃, and the temperature of material outlet is 40-60 ℃; (4) sieve and be the multiple-effect carbon nitrogen fertilizer particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100592070A CN101481282A (en) | 2008-01-08 | 2008-01-08 | Production process of multiple-effect carbon nitrogen fertilizer |
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| CNA2008100592070A CN101481282A (en) | 2008-01-08 | 2008-01-08 | Production process of multiple-effect carbon nitrogen fertilizer |
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| CN101481282A true CN101481282A (en) | 2009-07-15 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805224A (en) * | 2010-04-02 | 2010-08-18 | 秦征 | Controlled release fertilizer with high content of biological carbon and preparation method thereof |
| CN102211964A (en) * | 2011-03-15 | 2011-10-12 | 浙江布莱蒙农业科技股份有限公司 | Method for preparing carbon and producing controlled-release fertilizer by utilizing crop straws and controlled-release fertilizer prepared by using same |
| CN102424642A (en) * | 2011-09-25 | 2012-04-25 | 西北农林科技大学 | Method for producing biocarbon-based slow-release nitrogen fertilizer |
| CN102653488A (en) * | 2011-03-02 | 2012-09-05 | 郭庆华 | Water-retention slow-releasing carbon-based compound fertilizer |
| CN103319285A (en) * | 2013-07-08 | 2013-09-25 | 刘怀琚 | Water flush fertilizer for greenhouses |
| CN104446935A (en) * | 2014-11-20 | 2015-03-25 | 中国水稻研究所 | Production method of biological carbon coated controlled-release fertilizer |
| CN104628482A (en) * | 2015-02-07 | 2015-05-20 | 东北农业大学 | Lignin-bound biochar coated urea and preparation method thereof |
| CN105294363A (en) * | 2014-06-25 | 2016-02-03 | 中国科学院大学 | Formula and film-coating preparation method for biological carbon coated urea |
| CN105985198A (en) * | 2015-02-06 | 2016-10-05 | 吉林师范大学 | Coated nitrogen fertilizer with regular release and preparation method thereof |
| CN106348827A (en) * | 2016-08-28 | 2017-01-25 | 广西平乐农药厂 | Sulfur-based compound fertilizer and method for preparing same |
| CN106365733A (en) * | 2016-08-28 | 2017-02-01 | 广西平乐农药厂 | High-potassium compound fertilizer and preparation method thereof |
| CN109134136A (en) * | 2018-08-01 | 2019-01-04 | 湖南工业大学 | A kind of biology carbon nitrogen fertilizer and preparation method thereof |
-
2008
- 2008-01-08 CN CNA2008100592070A patent/CN101481282A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805224A (en) * | 2010-04-02 | 2010-08-18 | 秦征 | Controlled release fertilizer with high content of biological carbon and preparation method thereof |
| CN101805224B (en) * | 2010-04-02 | 2013-02-06 | 秦征 | Controlled release fertilizer with high content of biological carbon and preparation method thereof |
| CN102653488A (en) * | 2011-03-02 | 2012-09-05 | 郭庆华 | Water-retention slow-releasing carbon-based compound fertilizer |
| CN102211964A (en) * | 2011-03-15 | 2011-10-12 | 浙江布莱蒙农业科技股份有限公司 | Method for preparing carbon and producing controlled-release fertilizer by utilizing crop straws and controlled-release fertilizer prepared by using same |
| CN102211964B (en) * | 2011-03-15 | 2013-02-27 | 浙江布莱蒙农业科技股份有限公司 | Method for preparing carbon and producing controlled-release fertilizer by utilizing crop straws and controlled-release fertilizer prepared by using same |
| CN102424642A (en) * | 2011-09-25 | 2012-04-25 | 西北农林科技大学 | Method for producing biocarbon-based slow-release nitrogen fertilizer |
| CN103319285A (en) * | 2013-07-08 | 2013-09-25 | 刘怀琚 | Water flush fertilizer for greenhouses |
| CN103319285B (en) * | 2013-07-08 | 2015-02-18 | 刘怀琚 | Water flush fertilizer for greenhouses |
| CN105294363A (en) * | 2014-06-25 | 2016-02-03 | 中国科学院大学 | Formula and film-coating preparation method for biological carbon coated urea |
| CN104446935A (en) * | 2014-11-20 | 2015-03-25 | 中国水稻研究所 | Production method of biological carbon coated controlled-release fertilizer |
| CN105985198A (en) * | 2015-02-06 | 2016-10-05 | 吉林师范大学 | Coated nitrogen fertilizer with regular release and preparation method thereof |
| CN104628482A (en) * | 2015-02-07 | 2015-05-20 | 东北农业大学 | Lignin-bound biochar coated urea and preparation method thereof |
| CN106348827A (en) * | 2016-08-28 | 2017-01-25 | 广西平乐农药厂 | Sulfur-based compound fertilizer and method for preparing same |
| CN106365733A (en) * | 2016-08-28 | 2017-02-01 | 广西平乐农药厂 | High-potassium compound fertilizer and preparation method thereof |
| CN109134136A (en) * | 2018-08-01 | 2019-01-04 | 湖南工业大学 | A kind of biology carbon nitrogen fertilizer and preparation method thereof |
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Open date: 20090715 |