CN105085034A - High-chloride loss-control compound fertilizer and preparation method thereof - Google Patents
High-chloride loss-control compound fertilizer and preparation method thereof Download PDFInfo
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- CN105085034A CN105085034A CN201510487015.XA CN201510487015A CN105085034A CN 105085034 A CN105085034 A CN 105085034A CN 201510487015 A CN201510487015 A CN 201510487015A CN 105085034 A CN105085034 A CN 105085034A
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Abstract
The invention discloses high-chloride loss-control compound fertilizer and a preparation method thereof. The high-chloride loss-control compound fertilizer is composed of, by weight, 30-35 parts of ammonium chloride, 28-31 parts of monoammonium phosphate, 18-22 parts of potassium chloride, 8-10 parts of ammonium potash chloride, 2-4 parts of a loss-control agent, 3-5 parts of sulfuric acid, 2-4 parts of liquid ammonia, 0.15-0.2 part of a pasty anticaking agent and 0.3-0.45 part of a powder anticaking agent, wherein the loss-control agent is formed by mixing attapulgite modified through radiation and chitosan. By means of the high-chloride loss-control compound fertilizer, the fertilization cost is reduced, the price of the high-chloride loss-control fertilizer is equivalent to that of existing fertilizer, after long-term application, the application amount can be gradually reduced, the fertilization times are reduced, and the effect and the labor are saved; the yield-increasing effect is significant, and the high-chloride loss-control fertilizer can be widely suitable for various crops; the soil physical and chemical properties are improved, and agricultural sustainable development is facilitated; materials used by the high-chloride loss-control fertilizer are green, environmentally friendly and capable of being naturally degraded, after long-term application, the soil physical and chemical properties can be improved, the fertilizer and water retaining capacity of the soil can be improved, and high and stable yields of crops can be facilitated; the nutrient loss can be controlled, and the ecological environment can be protected.
Description
Technical field
The invention belongs to fertilizer manufacture field, relate to a kind of high chlorine control mistake type Chemical Mixed Fertilizer and preparation method thereof.
Background technology
Chlorine is one of necessary seven kinds of trace elements of plant, is the trace element that in plant materials, content is the highest.Chlorine has the crop such as good growth effect, particularly paddy rice, Chinese sorghum, millet to many plants and likes high chlorine products, chlorion in plant materials 1, participate in photosynthesis.2, regulate stomatal movement, improve drought-resistant ability.3, the absorption of crop to nutrient is affected.4, the activity of left and right enzyme and the content of hormone.5, crop is strengthened to the resistance of some disease.6, promote Mineralization of Soil Nitrogen and suppress nitrification.Chlorion has restraining effect to the nitrobacteria in soil, can delay the conversion of ammonium nitrogen to nitric nitrogen, and effectively reduce nitric nitrogen and run off, fertilizer efficiency is long.7, leguminous crop root nodulation and nitrogen fixation is improved.8, fiber growth is conducive to.The fiber-like such as cotton, hemp crop is good to chlorion reaction, is conducive to increasing its staple length and toughness.Improve the multiple biological activitys such as plant stress-resistance ability.Increase crop yield, improve quality of agricultural product.
At present, Chemical Mixed Fertilizer mainly produces n-p-k three elements Chemical Mixed Fertilizer cl content below 15%, produces and production technology shortcoming in fertilizer efficiency slow control mistake at high chlorine fertilizer, particularly fertile for high chlorine, because cl content is too high, often cause soil permeability large, the problem that nutrient is not easily retained.
In addition, usually singlely in prior art add paste or powdery anti-caking agent or first paste anti-caking agent spraying added, again powdery anti-caking agent is stirred the working method added, but often there is the problem of strong, the easy shedding of powdery anti-caking agent adhesive power, particularly in coating adsorption process, adsorption effect is poor.
Summary of the invention:
For the deficiency existed in the high chlorine products technology of existing production, on existing basis, by attapulgite, through radiation modification, (optimal conditions is: ultrasonic treatment time 20min in the present invention, screen current 5A, power 3KW), chitosan by a small amount of (5%-10%) develops, and obtains the sustained-release fertilizer that can effectively use under high chlorine condition.For achieving the above object, the present invention adopts following technical scheme:
A kind of high chlorine control mistake type Chemical Mixed Fertilizer, be made up of the raw material of following weight part: ammonium chloride 30-35 part, monoammonium phosphate 28-31 part, Repone K 18-22 part, ammonium chloride potassium 8-10 part, controlled release agent 2-4 part, sulfuric acid 3-5 part, liquefied ammonia 2-4 part, paste anti-caking agent 0.15 ~ 0.2 part, powdery anti-caking agent 0.3 ~ 0.45 part; Described controlled release agent mixes by through the attapulgite of radiation modification and chitosan.
Further, ammonium chloride 30 parts, monoammonium phosphate 31 parts, 22 parts, Repone K, 10 parts, ammonium chloride potassium, controlled release agent 2 parts, 3 parts, sulfuric acid, 2 parts, liquefied ammonia, paste anti-caking agent 0.15 ~ 0.2 part, powdery anti-caking agent 0.3 ~ 0.45 part.
Further, described controlled release agent mixes by through the attapulgite of radiation modification and chitosan.(utilizing ultrasonic treatment time 20-30min, screen current 5-6A, power 3-5KW), the chitosan adding a small amount of (5%-10%) is formulated.
Further, the agent of described paste anti-caking is the compound fertilizer anticaking agent of LZ-081, and powdery anti-caking agent is the compound fertilizer anticaking agent of LZ041020III type.
Present invention also offers a kind of preparation method of high chlorine control mistake type Chemical Mixed Fertilizer, it is characterized in that, comprise the following steps:
(1) ammonium chloride, monoammonium phosphate, Repone K, ammonium chloride potassium, controlled release agent are entered tablets press after metering, evenly will be sprayed on the material in tablets press as the sulfuric acid needed for granulating and liquefied ammonia simultaneously, make material pH value at 5.5-6.5, through physical mixed granulation;
In actual production process, the balling-up effect after above-mentioned material combinations is poor, and the present invention finds can improve its balling-up effect by the pH value adjusting above-mentioned material by studying further, and the pH value of tablets press material optimum controls between 5.8-6.5.
(2) material after granulation enters drying plant successively, enters screening after oven dry through cooling system, and return tablets press after the crushing material thoroughly do not sieved, saturating screen sections enters coating machine;
(3) in coating machine, the agent of paste anti-caking and described powdery anti-caking agent are adsorbed onto material surface by coating, obtain final product.
In coating adsorption process, the present invention is by first adding the agent of paste anti-caking, add powdery anti-caking agent again, effectively can reduce dust, make powdery anti-caking agent adsorptive power strong, not easily shedding, simultaneously, powdery anti-caking agent includes the solubility Meso-and micro-nutrients (S, Ca, Mg, B, Zn, Fe) needed for farm crop, makes up the shortcoming that high-concentration compound fertilizer lacks medium trace element.There is improvement soil, keep soil from packing together and the function of water loss.
Further, tablets press material moisture is kept to control at 2.5-4%.Ensure the stability of particle, prevent from again disperseing or cracked.
Further, described dryer inlet temperature 110-120 DEG C, temperature out 62-67 DEG C.Low temperature Wind Volume is taked in described oven dry.Ensure the ratio of briquetting of heat transfer efficiency and material.
Further, less than 45 DEG C are cooled in cooler.Material after melting is delivered to high-pressure spray gun through high-pressure pump, small-particle (circle) is formed under the effect of spray gun, be uniform following current settling phase with cold wind, and be highly dispersed in freezing air and conduct heat, most of small-particle after cooled and solidified obtains separated and collected in separate chamber, in order to ensure follow-up screening effect, controlling material in cooler, being cooled to less than 45 DEG C.
Further, prilling temperature is regulated by steam in described physical mixed granulation process.Adopt secondary steam, lower equipment energy consumption, simultaneously the moisture content of condition material, improve granulation outcome.
Beneficial effect of the present invention:
(1) the present invention promote crop photosynthesis by improving chlorine particle content, be beneficial to plant to the absorption of the nutritive elements such as magnesium, sulphur, manganese, copper, iron, calcium, there is the effect improving quality of agricultural product, suppress soil-borne disease, shorten crop cycle, promote crop precocity.
(2) height chlorine control mistake compound fertilizer pelletizing balling ratio of the present invention is high, and product granularity evenly, color and luster whiteness is good, intensity large, and can adapt to Various Seasonal, like the use of high chlorine farm crop, suitability is wide.
(3) high chlorine control is used to lose the metabolic capabilities of Chemical Mixed Fertilizer raising crop, its nutritive element integrates quick-acting, long-acting, synergy, and what controlled release agent can be fixed possesses nutrient among soil, and nutrient discharges as required, ensure crop normal extraction, accurately meet crop growth in all one's life demand.Add the incorporation of fertilizerin the soil of chemical fertilizer nutrient controlled release agent, " net is caught " technology of utilization is fixed on surrounding plant roots chemical fertilizer nutrient molecule, reduce fertilizer travelling speed, reduce npk nutrient to run off, sufficient supply nutrient, improve chemical fertilizer utilization ratio, nutrient savings more than needed, in soil, can continue to absorb for crop of lower season.
(4) by improving ammonium chloride, ammonium chloride potassium, controlled release agent usage quantity, improving the metabolic capabilities of crop, promoting the effect of crop precocity; Improve utilization rate of fertilizer, compared with Common compound fertilizer, ammonia fertilizer utilization ratio improves more than 12%.Reduce fertilising cost, high chlorine sustained-release fertilizer material is suitable with existing fertilizer price, and long-term application also can gradually reduce amount of application, reduces fertilizer application frequency, laborsaving saving of labor.Obvious effect of increasing production, high chlorine sustained-release fertilizer material can be widely used in various crop.Improve soil physical and chemical property, promote agricultural sustainable development.High chlorine sustained-release fertilizer material material therefor has environmental protection, natural degradation, and long-term application can improve soil physical and chemical property, improves soil fertilizer, water retention capacity, promotes stable crop yield high yield.Control nutrient loss, preserve the ecological environment.Experimental study shows, compared with common chemical fertilizer, and high chlorine sustained-release fertilizer material ammonia element loss minimizing 30%---60%, volatilization minimizing 40%---80%, phosphorous loss reduces 40%---and 60%, soil K loss by erosion reduces about 40%, thus cuts down chemical fertilizer to the pollution of area source in rivers, lake.
(5) high chlorine of the present invention fertile adding by novel controlled release agent, can use in nonirrigated farmland or be applied to the crop being not suitable for using chlorine fertilizer.
Embodiment
The present invention is further illustrated in conjunction with the embodiments, should be noted that following explanation is only to explain the present invention, not limiting its content.
Raw material used in the embodiment of the present invention is described as follows:
Monoammonium phosphate (Yichang E Zhong Chemical Co., Ltd., powdery, total nutrient 60%)
Ammonium chloride (Henan gold the earth Chemical Co., Ltd. nitrogen content 25.8%)
Repone K (Qinghai Salt Lake potash fertilizer limited liability company powdery content 62%)
Ammonium chloride potassium (the total nutrient 35% of western Shandong chemical industry the 5th chemical fertilizer company limited powdery)
Controlled release agent, then to be mixed with the chitosan of (5%-10%) on a small quantity through radiation modification (treatment condition are: ultrasonic treatment time 20-30min, screen current 5-6A, power 3-5KW) by attapulgite
Embodiment 1
High chlorine control mistake type Chemical Mixed Fertilizer, raw material is composed as follows:
Ammonium chloride 30 parts, monoammonium phosphate 31 parts, 22 parts, Repone K, 10 parts, ammonium chloride potassium, controlled release agent 2 parts, 3 parts, sulfuric acid, 2 parts, liquefied ammonia.
Monoammonium phosphate, ammonium chloride, Repone K, ammonium chloride potassium, controlled release agent is sent in tablets press, proportionally add sulfuric acid, liquefied ammonia to reactor generates ammonium sulfate slurry and sprays into material bed, granulation is carried out by steam regulation, tablets press material pH value controls about 6, then dry, cooling, be transported to after sieving in coating machine, in coating machine, finished product per ton sprays into the compound fertilizer anticaking agent of the LZ-081 of 0.15 ~ 0.2 weight part, add the compound fertilizer anticaking agent of the LZ-081 of 0.3 ~ 0.45 part, the agent of described paste anti-caking and described powdery anti-caking agent are adsorbed onto described compound fertilizer granule surface by coating, suppress material surface salt solution, just crystallization when preventing salts solution from reaching capacity, crystallization is so-called product long " hair ", i.e. powder phenomenon-tion, prevent product formation key bridge from occurring caking phenomenon simultaneously.
Embodiment 2
To produce 12-15-15 kind ammonium chloride 30 parts, monoammonium phosphate 31 parts, 22 parts, Repone K, 10 parts, ammonium chloride potassium, controlled release agent 2 parts, 3 parts, sulfuric acid, 2 parts, liquefied ammonia.Solid materials is entered tablets press after measuring belt scale gathers; then ammonia, acid are delivered to reactor through valve regulated; abundant reaction generates ammonium sulfate slurry; by reaction generate slip and even heat is distributed in tablets press; fully mix with the virgin material of solid and returning charge; raising system balling ratio, keeps tablets press material moisture to control at about 2.5-4.Dryer inlet temperature 110 DEG C, temperature out 62-67 DEG C.Oven dry will take low temperature Wind Volume, is cooled to less than 45 DEG C in cooler.Be transported to after sieving in coating machine, in coating machine, finished product per ton sprays into the paste anti-hard caking agent AC61 series of 0.15 ~ 0.2 weight part, add the powdered anti-caking agent AC81 series of 0.3 ~ 0.45 part, the agent of described paste anti-caking and described powdery anti-caking agent are adsorbed onto described compound fertilizer granule surface by coating, suppress material surface salt solution, just crystallization when preventing salts solution from reaching capacity, crystallization is so-called product long " hair ", i.e. powder phenomenon-tion, prevents product formation key bridge from occurring caking phenomenon simultaneously.
Embodiment 3
To produce 12-15-15 kind ammonium chloride 30 parts, monoammonium phosphate 31 parts, 22 parts, Repone K, 10 parts, ammonium chloride potassium, controlled release agent 2 parts, 3 parts, sulfuric acid, 2 parts, liquefied ammonia.Solid materials is entered tablets press after measuring belt scale gathers; then ammonia, acid are delivered to reactor through valve regulated; abundant reaction generates ammonium sulfate slurry; by reaction generate slip and even heat is distributed in tablets press; fully mix with the virgin material of solid and returning charge; raising system balling ratio, keeps tablets press material moisture to control at about 2.5-4.Dryer inlet temperature 110 DEG C, temperature out 62-67 DEG C.Oven dry will take low temperature Wind Volume, is cooled to less than 45 DEG C in cooler.
Embodiment 4
To produce 12-15-15 kind ammonium chloride 30 parts, monoammonium phosphate 31 parts, 22 parts, Repone K, 10 parts, ammonium chloride potassium, controlled release agent 2 parts, 3 parts, sulfuric acid, 2 parts, liquefied ammonia.Solid materials is entered tablets press after measuring belt scale gathers; then ammonia, acid are delivered to reactor through valve regulated; abundant reaction generates ammonium sulfate slurry; by reaction generate slip and even heat is distributed in tablets press; fully mix with the virgin material of solid and returning charge; raising system balling ratio, keeps tablets press material moisture to control at about 2.5-4.Dryer inlet temperature 110 DEG C, temperature out 62-67 DEG C.Oven dry will take low temperature Wind Volume, is cooled to less than 45 DEG C in cooler.
Embodiment 5: high chlorine control mistake type Chemical Mixed Fertilizer is to cotton manure trial
By field experiment, investigate the synergy control adding high chlorine control mistake type Chemical Mixed Fertilizer described in the embodiment of the present invention 1 comprehensively and to lose efficacy fruit, verify its impact on cotton growth and output.
1. material: the synergy control mistake urea that embodiment 1 is obtained; The common fertilizer of all the other fertilizer market purchasings.Cotton is that kind too D5 is promoted mainly in locality.
2. test design
4 process are established in test altogether, repeat for 3 times.Zone leader 12 meters, wide 1.7 meters, area 20 square metres.Every community 2 row, often row 19 strain, every mu of 1267 strains.
Process 1: blank (CK), does not apply fertilizer; Process 2: the high chlorine control mistake type Chemical Mixed Fertilizer that embodiment 1 is obtained, base is executed; Process 3: common commercially available fertilizer, base is executed; Process 4: the high chlorine Chemical Mixed Fertilizer that common commercially available controlled release agent, all the other components are identical with embodiment 1.
3. observe and record 1. cotton boll investigation, often process fixed point 5 strain, 3 repetitions, control time is July 20, August 15 and September 15 three times.2. economic characters are investigated and real product: Single boll weight, ginning outturn, clothing refer to.Real product, carries out and singly plucks single solarization.
4. conclusion
Add high chlorine control mistake type Chemical Mixed Fertilizer of the present invention to increase output to output of cotton, than equal nutrient conventional fertilizer application (process 4) volume increase 33.6%, than common commercially available fertilizer volume increase 23.9%.Can promote that cotton growth is balanced, accomplish in earlier stage steady must living, mid-term can send out strength simultaneously, promotes that cotton cane is sturdy, later stage not early ageing.
Embodiment 6: high chlorine control mistake type Chemical Mixed Fertilizer is to paddy rice and corn manure trial
According to the method for embodiment 5, by field experiment, investigate the synergy control adding high chlorine control mistake type Chemical Mixed Fertilizer described in the embodiment of the present invention 1 comprehensively and to lose efficacy fruit, verify its impact on paddy rice and corn yield.Result display is added high chlorine control mistake type Chemical Mixed Fertilizer of the present invention and increase production 10% on paddy rice, and corn increases production 12%.
Although above-mentioned, the specific embodiment of the present invention is described; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. one kind high chlorine control mistake type Chemical Mixed Fertilizer, it is characterized in that, be made up of the raw material of following weight part: ammonium chloride 30-35 part, monoammonium phosphate 28-31 part, Repone K 18-22 part, ammonium chloride potassium 8-10 part, controlled release agent 2-4 part, sulfuric acid 3-5 part, liquefied ammonia 2-4 part, paste anti-caking agent 0.15 ~ 0.2 part, powdery anti-caking agent 0.3 ~ 0.45 part; Described controlled release agent mixes by through the attapulgite of radiation modification and chitosan.
2. high chlorine control mistake type Chemical Mixed Fertilizer as claimed in claim 1, it is characterized in that, ammonium chloride 30 parts, monoammonium phosphate 31 parts, 22 parts, Repone K, 10 parts, ammonium chloride potassium, controlled release agent 2 parts, 3 parts, sulfuric acid, 2 parts, liquefied ammonia, paste anti-caking agent 0.15 ~ 0.2 part, powdery anti-caking agent 0.3 ~ 0.45 part.
3. high chlorine control mistake type Chemical Mixed Fertilizer as claimed in claim 1, it is characterized in that, in described controlled release agent, weight hundred number of chitosan is 5%-10%.
4. high chlorine control mistake type Chemical Mixed Fertilizer as claimed in claim 1, it is characterized in that, the condition of described radiation modification is ultrasonic treatment time 20-30min, screen current 5-6A, power 3-5KW.
5. high chlorine control mistake type Chemical Mixed Fertilizer as claimed in claim 1, is characterized in that, the agent of described paste anti-caking be LZ041020III type compound fertilizer anticaking agent or, powdered anti-caking agent is the compound fertilizer anticaking agent of LZ-081.
6. a preparation method for high chlorine control mistake type Chemical Mixed Fertilizer, is characterized in that, comprise the following steps:
(1) ammonium chloride, monoammonium phosphate, Repone K, ammonium chloride potassium, controlled release agent are entered tablets press after metering, evenly will be sprayed on the material in tablets press as the sulfuric acid needed for granulating and liquefied ammonia simultaneously, make material pH value at 5.5-6.5, through physical mixed granulation;
(2) material after granulation enters drying plant successively, enters screening after oven dry through cooling system, and return tablets press after the crushing material thoroughly do not sieved, saturating screen sections enters coating machine;
(3) in coating machine, the agent of paste anti-caking and described powdery anti-caking agent are adsorbed onto material surface by coating, obtain final product.
7. method as claimed in claim 6, is characterized in that, keeps tablets press material moisture to control at 2.5-4%.
8. method as claimed in claim 6, is characterized in that, described dryer inlet temperature 110-120 DEG C, temperature out 62-67 DEG C; Low temperature Wind Volume is taked in described oven dry.
9. method as claimed in claim 6, is characterized in that, be cooled to less than 45 DEG C in cooler.
10. method as claimed in claim 6, is characterized in that, regulate prilling temperature in described physical mixed granulation process by steam.
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| CN201510487015.XA CN105085034A (en) | 2015-08-10 | 2015-08-10 | High-chloride loss-control compound fertilizer and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105409571A (en) * | 2015-12-28 | 2016-03-23 | 铜仁学院 | Method for raising cotton yield and plantation benefits of high saline and alkaline land |
| CN111978123A (en) * | 2020-09-10 | 2020-11-24 | 贵州天宝丰原生态农业科技有限公司 | Organic-inorganic compound fertilizer for increasing rice yield and preparation method thereof |
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| CN101857490A (en) * | 2010-05-18 | 2010-10-13 | 张超 | Slow/controlled-release compound fertilizer suitable for field crops |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101857490A (en) * | 2010-05-18 | 2010-10-13 | 张超 | Slow/controlled-release compound fertilizer suitable for field crops |
| CN102531759A (en) * | 2010-12-13 | 2012-07-04 | 王海炜 | Slow-release composite fertilizer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409571A (en) * | 2015-12-28 | 2016-03-23 | 铜仁学院 | Method for raising cotton yield and plantation benefits of high saline and alkaline land |
| CN105409571B (en) * | 2015-12-28 | 2018-12-28 | 铜仁学院 | The method for improving heavy saline output of cotton and planting benefit |
| CN111978123A (en) * | 2020-09-10 | 2020-11-24 | 贵州天宝丰原生态农业科技有限公司 | Organic-inorganic compound fertilizer for increasing rice yield and preparation method thereof |
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Application publication date: 20151125 |