CN102001898B - Potassium humate compound fertilizer and preparation method thereof - Google Patents
Potassium humate compound fertilizer and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to the field of a fertilizer, in particular to a potassium humate compound fertilizer and a preparation method thereof. The potassium humate compound fertilizer is prepared by mixing urea, potassium humate, monoammonium phosphate, ammonium chloride, calcium powder and bentonite with magnesium sulfate, zinc sulfate and medium/trace elements. The potassium humate compound fertilizer granulated by using a steam drum physical agglomeration method and the preparation method of the compound fertilizer have the advantages that the prepared potassium humate compound fertilizer has large particle size and high strength and does not agglomerate; the capabilities of water and fertility retention, heat preservation and ventilation of the soil are enhanced; the soil structure is improved; the soil fertility is increased; the problems of reduced soil fertility, environmental pollution, soil hardening, nutrition unbalance and stress resistance of crops are solved; the utilization rate of the fertilizer is improved; the defects of low fertilizer efficiency, insufficient nutrition utilization, overproof pesticide residue, severe nitrate accumulation and heavy metal pollution are overcome; the sustained-release effect against pesticide is realized; the agroecological environment is protected; and the efficiency, yield and crop quality are improved.
Description
Technical field:
The invention belongs to fertilizer field, relate to specifically a kind of potassium humate compound fertilizer and compound method thereof.
Background technology:
China is a large agricultural country, in recent years, the usage quantity of chemical fertilizer progressively increases, although increased grain yield, but also reduced the quality of agricultural-food simultaneously, brought certain harm for people's health, for example, pesticide residue exceed standard, nitrates accumulation is serious, heavy metal contamination, microbiological contaminations etc. happen occasionally, the life-time service chemical fertilizer has also caused soil fertility decline simultaneously, the problem such as harden has a strong impact on the raising of normal agriculture production and quality of life, and very alarming is that chemical fertilizer utilization ratio is low, environmental pollution, the series of problems such as soil compaction, the particularly volatilization of the available nutrient of soil, leaching loss has reduced the utilization ratio of fertilizer, not only caused the serious waste of resource, but also to soil, the water system ecotope has caused certain pollution, simultaneously, single fertilizer application has also also reduced the quality of agricultural-food virtually, threatens human life health;
Along with improving constantly of farm output and multiple crop index, that forms for many years only payes attention to nitrogen in addition, phosphorus, potassium, clay fertilizer uses not enough, organic fewer and feweri in the soil, cause soil fertility to descend, soil compaction, nutrient imbalance, resistance appears in crop, restricted the performance of crop yield raising and fertilizer efficiency, the high investment low yield occurs at agricultural planting and gone out phenomenon, brought certain financial loss, once different soils was investigated, ubiquity soil compaction, fertilizer efficiency is low, the problems such as nutrien utilization is insufficient, the resistance that occurs on the some crops has become the bottleneck of the factor and the performance farm crop benefit of restriction crop yield, because the combined influence of fertilizer character and edatope condition, utilization rate of fertilizer is low to be ubiquitous significant problem on the fertilizer application, at present, the this season utilization ratio nitrogen of domestic chemical fertilizer is about: 30%-35%, phosphorus is about: 10%-20%, potassium is about: 30%-35%, nitrogen loss especially severe wherein, some areas are because the surface water eutrophication has appearred in improper fertilization, and nitrate nitrogen content exceeds standard in underground water and the vegetables, environmental pollution and the food-safety problems such as the increase of nitrous oxide emission amount, therefore, improve the chemical fertilizer utilization ratio, give full play to the chemical fertilizer combined effect, alleviate environmental pollution, become joint research and problems of concern, the research and development potassium humate compound fertilizer has extremely far-reaching realistic meaning.
Summary of the invention:
The purpose of this invention is to provide a kind of urea, potassium humate, phosphate fertilizer, potash fertilizer, trace element are mixed after, a kind of potassium humate compound fertilizer and the compound method thereof that adopt steam dram physics pellet granulation to make are to overcome above-mentioned deficiency.
The objective of the invention is to be realized by following technical scheme:
A kind of potassium humate compound fertilizer is that it is characterized in that: wherein each prescription is respectively by weight percentage by urea, potassium humate, monoammonium phosphate, ammonium chloride, calcium powder, formulated with wilkinite mixing sal epsom, zinc sulfate, middle trace element:
Urea 150-250 kilogram, potassium humate 100-170 kilogram, monoammonium phosphate 350-380 kilogram, ammonium chloride 150-250 kilogram, calcium powder 25-50 kilogram, wilkinite 5-90 kilogram, sal epsom 12-15 kilogram, zinc sulfate 8-10 kilogram, middle trace element,
It is prepared by following step and method, and specifically each formulated method is as follows,
Adopt steam dram physics pellet granulation, be respectively from respectively organizing by the above-mentioned raw materials weight percent meter of material loading workshop section:
Nitrogen-phosphorus-potassium humate is 170 kilograms of 380 kilograms of 200 kilograms of 200 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, 25 kilograms of the calcium powder of 17-17-17,5 kilograms of wilkinites, 12 kilograms in sal epsom, 8 kilograms in zinc sulfate, middle trace element;
Nitrogen-phosphorus-potassium humate is 70 kilograms of 30 kilograms of 160 kilograms of 370 kilograms of 150 kilograms of 200 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, calcium powders, wilkinites, 12 kilograms in the sal epsom of 16-16-16,8 kilograms in zinc sulfate, middle trace element;
Nitrogen-phosphorus-potassium humate is 90 kilograms of 50 kilograms of 150 kilograms of 350 kilograms of 200 kilograms of 150 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, calcium powders, wilkinites, 12 kilograms in the sal epsom of 15-15-15,8 kilograms in zinc sulfate, middle trace element;
Nitrogen-phosphorus-potassium humate is 100 kilograms of 350 kilograms of 250 kilograms of 250 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, 25 kilograms of the calcium powder of 20-15-10,15 kilograms in sal epsom, 10 kilograms in zinc sulfate, middle trace element;
Above-mentioned after metering with system's returning charge agglomeration granulation in tablets press, carry, enter one-level drying machine drying and the cooling of one-level cooler through conveyor and bucket elevator; Cooling is by the lower macrobead of scalping sieve, through the lower small-particle of dusting cover screening and powder face, in secondary drying machine drying and the cooling of secondary cooler, finished product carries out anti-caking through the coating machine coating to be processed again, go the automatic packing machine packing after the processing, go stockyard to sell as finished product after the packing; Macrobead returning charge under the thick level screening screening is after pulverizer is pulverized, return together the tablets press head with powder under the small-particle under the thin level screening screening, powder face and the screening of elaboration sieve, as system's returning charge granule in tablets press, tail gas emptying after dedusting of one-level dryer, one-level cooler, secondary dryer, secondary cooler; This product with potassium humate and multiple in, trace element adds at the raw material mixed processes of production of compound fertilizer, produces potassium humate compound fertilizer, both product of the present invention; Described middle trace element comprises: 10 kilograms of boron: 8 kilograms in magnesium, 9 kilograms in manganese, 1 kilogram of copper; The returning charge of described system is to comprise: the macrobead returning charge under the thick level screening screening is after pulverizer is pulverized; return together the tablets press head with powder under the small-particle under the thin grade of screening screening, powder face and the screening of elaboration sieve, as system's returning charge granule in tablets press.
Advantage of the present invention is:
Adopt potassium humate compound fertilizer of the present invention and compound method thereof, beneficial effect is,
1, potassium humate compound fertilizer has the effect of improvement soil, potassium humate is a kind of good soil improvement agent, humic acids has activation to multiple-microorganism in the soil and enzyme, because humic acid macromolecular organic compound, the air-capacitor amount is large, can provide the carbon nitrogen element of abundance to soil microorganisms, promote microbial metabolism and grow the enhancing microorganism active; Humic acids can also promote the formation of soil aggregate simultaneously, reduce the soil weight, improve cation exchange capacity, buffering acid basicity, soil water-retaining, fertilizer conservation, insulation and ventilation capacity have been improved, the improvement Soil structure promotes plant growth, improves the crop anti-adversity ability, improves and make amount, protection agroecological environment; Combine the advantage of inorganic fertilizer and farm manure and be better than them, there is good nutrient to discharge adjusting function, it is a kind of good Controlled Release Fertilizer, make nutrient unlikely too many early stage, the later stage nutrient is unlikely too low, and the fertilizer curve is steadily, realizes running balance, plant absorbing is stable, obviously improves soil and improves crop yield;
2, potassium humate compound fertilizer has significant synergism, humic acids can improve the particularly utilization ratio of urea of nitrogenous fertilizer in the potassium humate, potassium humate and urea effect can generate complex compound, sustained-release synergistic effect to urea is fairly obvious, make nitrogen use efficiency improve 6.9～11.9%, aftereffect increases by 15%; Potassium humate shows the synergism of phosphate fertilizer: a, form humic acids-metal-phosphoric acid salt complex compound with phosphate fertilizer, prevent soil to phosphorus fixation, p fertilizer efficiency can improve 10-20% relatively, inhales the phosphorus amount and improves 28-39%; B, can improve the activity of Soil Phosphorus acid enzyme, make the organophosphorus in the soil be converted into available phosphorus; Potassium humate has synergism to potash fertilizer, improves the particularly content of water-soluble potassium of Soil Available potassium, reduces soil to potassium fixation; Improve the activity of Trace Elements in Soil, potassium humate can and metal ion between sequestering action occurs, become the fulvo acid chelated microelement, improve plant to absorption and the running of trace element;
3, potassium humate compound fertilizer has significant quick-acting production-increasing function, activating soil, slowly-releasing fertilization effect that organic fertilizer is arranged again, nuisanceless, pollution-free, solved should developing agricultural the contradiction of protection of the environment again, promote that benign ecological cycles have very important meaning;
4, potassium humate compound fertilizer is improved the crop mass action, reduce applications of pesticide amount, reduce the pesticide residue in the vegetable products, (1) humic acids has good restraining effect to the certain plants germ, use humic acids and preventing and treating blight, verticillium, oidium, the aspect effects such as root rot reach more than 85%, and potassium humate is nontoxic, have no side effect is that many agricultural chemicals are too far behind to catch up, help to improve the degeneration-resistant health care ability of vegetables self, (2) potassium humate is to the sustained-release synergistic effect of agricultural chemicals, reduce the usage quantity of agricultural chemicals, humic acids in the potassium humate has very large internal surface area, the organic-inorganic thing all there is very strong adsorption, can form the very high complex body of stability, agricultural chemicals is played slow releasing function, make pesticide dosage reduce 1/3-1/2, drug effect delays 3-7 days, toxicity reduces greatly, for environmental contamination reduction, improved soil water-retaining, fertilizer conservation, insulation and ventilation capacity have great importance, solved chemical fertilizer utilization ratio low, environmental pollution, the soil compaction problem, having overcome pesticide residue exceeds standard, nitrates accumulation is serious, heavy metal contamination, the microbiological contamination deficiency that happens occasionally.
Innovative point of the present invention is:
1, potassium humate compound fertilizer had both had the quick-acting production-increasing functions of general chemical fertilizer, the activating soil, the slowly-releasing fertilization effect that have again organic fertilizer, and nuisanceless, pollution-free, solved should developing agricultural the contradiction of protection of the environment again, promote that benign ecological cycles have very important meaning;
2, have significant synergies, humic acids can improve the particularly utilization ratio of urea of nitrogenous fertilizer in the potassium humate, and potassium humate and urea effect can generate complex compound, and is fairly obvious to the sustained-release synergistic effect of urea, make nitrogen use efficiency improve 6.9～11.9%, aftereffect increases by 15%; Potassium humate shows the synergism of phosphate fertilizer: one, form humic acids-metal-phosphoric acid salt complex compound with phosphate fertilizer, prevent soil to phosphorus fixation, p fertilizer efficiency can improve 10-20% relatively, inhales the phosphorus amount and improves 28-39%; Two, improve the activity of Soil Phosphorus acid enzyme, the organophosphorus in the soil is converted into available phosphorus; Potassium humate has synergism to potash fertilizer, humic acids in the potassium humate is the complex mixture of acidic substance, acid function can absorb and store potassium ion, reduce and run off, avoid leaving over the detrimentally affect that negatively charged ion causes soil because of the life-time service inorganic potassium, impel the release of insoluble potassium, improve the content of Soil Available potassium water-soluble potassium, reduce soil to potassium fixation; Improve the activity of Trace Elements in Soil; Some trace elements are such as boron, calcium, zinc, manganese, copper etc., be manured into soil with inorganic salt form, easily be converted into indissoluble salt, utilization ratio reduces even complete failure, sequestering action occurs between potassium humate and metal ion, become the fulvo acid chelated microelement, improve plant to absorption and the running of trace element;
3, improve crop quality, reduce applications of pesticide amount, reduce the pesticide residue in the vegetable products, (1) humic acids has good restraining effect to the certain plants germ, uses humic acids and reaches more than 85% in aspect effects such as preventing and treating blight, verticillium, oidium, root rot; And potassium humate nontoxic, to have no side effect be that many agricultural chemicals are too far behind to catch up, helps to improve the degeneration-resistant health care ability of vegetables self; (2) potassium humate is to the sustained-release synergistic effect of agricultural chemicals, can reduce the usage quantity of agricultural chemicals, potassium humate not only can be separately as agricultural chemicals, but also can with combined use of pesticides, with organic, the compound organophosphorus rate of decomposition that makes of inorganic phosphorus agricultural chemicals reduces greatly, owing to containing more hydrophilic radical in the humic acids molecule, mix with agricultural chemicals, can effectively bring into play its good dispersion, emulsifying effect, improve pesticide activity, in addition, the humic acids in the potassium humate has very large internal surface area, the organic-inorganic thing all there is very strong adsorption, with the agricultural chemicals compatibility, form the very high complex body of stability, agricultural chemicals is played slow releasing function, humic acids and agricultural chemicals are compound, make pesticide dosage reduce 1/3-1/2, drug effect delays 3-7 days, behind humic acids and the agriculture chemical compounding, toxicity reduces greatly, for environmental contamination reduction, Development of Non-polluted Vegetables production has great importance;
4. potassium humate has the effect of improvement soil, potassium humate is a kind of good soil improvement agent, humic acids has activation to multiple-microorganism in the soil and enzyme, because humic acid macromolecular organic compound, the air-capacitor amount is large, provide the carbon nitrogen element of abundance to soil microorganisms, promote microbial metabolism and grow the enhancing microorganism active; Humic acids can also promote the formation of soil aggregate simultaneously, reduces the soil weight, improves cation exchange capacity, and buffering acid basicity has improved soil water-retaining, fertilizer conservation, insulation and ventilation capacity, improvement Soil structure, culture fertility.
Description of drawings:
Fig. 1 is process flow sheet of the present invention;
Embodiment:
Embodiment:
Adopt steam dram physics pellet granulation, be respectively from respectively organizing by the above-mentioned raw materials weight percent meter of material loading workshop section:
Nitrogen-phosphorus-potassium humate is 170 kilograms of 380 kilograms of 200 kilograms of 200 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, 25 kilograms of the calcium powder of 17-17-17,5 kilograms of wilkinites, 12 kilograms in sal epsom, 8 kilograms in zinc sulfate, middle trace element;
Nitrogen-phosphorus-potassium humate is 70 kilograms of 30 kilograms of 160 kilograms of 370 kilograms of 150 kilograms of 200 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, calcium powders, wilkinites, 12 kilograms in the sal epsom of 16-16-16,8 kilograms in zinc sulfate, middle trace element;
Nitrogen-phosphorus-potassium humate is 90 kilograms of 50 kilograms of 150 kilograms of 350 kilograms of 200 kilograms of 150 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, calcium powders, wilkinites, 12 kilograms in the sal epsom of 15-15-15,8 kilograms in zinc sulfate, middle trace element;
Nitrogen-phosphorus-potassium humate is 100 kilograms of 350 kilograms of 250 kilograms of 250 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, 25 kilograms of the calcium powder of 20-15-10,15 kilograms in sal epsom, 10 kilograms in zinc sulfate, middle trace element;
Above-mentioned after metering with system's returning charge agglomeration granulation in tablets press, carry, enter one-level drying machine drying and the cooling of one-level cooler through conveyor and bucket elevator; Cooling is by the lower macrobead of scalping sieve, through the lower small-particle of dusting cover screening and powder face, in secondary drying machine drying and the cooling of secondary cooler, finished product carries out anti-caking through the coating machine coating to be processed again, go the automatic packing machine packing after the processing, go stockyard to sell as finished product after the packing; Macrobead returning charge under the thick level screening screening is after pulverizer is pulverized, return together the tablets press head with powder under the small-particle under the thin level screening screening, powder face and the screening of elaboration sieve, as system's returning charge granule in tablets press, tail gas emptying after dedusting of one-level dryer, one-level cooler, secondary dryer, secondary cooler; This product with potassium humate and multiple in, trace element adds at the raw material mixed processes of production of compound fertilizer, produces potassium humate compound fertilizer, both product of the present invention.
Select the granulating method production unit to carry out the production of humic acid type composite fertilizer, to enhance productivity, reduce production costs; The characteristics of this equipment maximum are can serialization production, enhance productivity, and can produce that particle is large, intensity is high, non-caking potassium humate compound fertilizer, and energy consumption is low in process of production, " three wastes " exhaust emission is light.
This product main production equipments sees the following form 1:
200,000 ton/years of lists of main equipment of table 1
The explanation of potassium humate compound fertilizer compounding and production process:
Process using steam dram physics pellet granulation, after metering with system's returning charge agglomeration granulation in tablets press, carry, enter one-level drying machine drying and one-level cooler cooling through conveyor and bucket elevator from urea, ammonium chloride, monoammonium phosphate, Repone K, potassium humate, middle amount and the trace element of material loading workshop section, addition material; Cooling is by the lower macrobead of scalping sieve, again through the lower small-particle of dusting cover screening and powder face, in secondary drying machine drying and the cooling of secondary cooler.
Finished product carries out anti-caking through the coating machine coating to be processed, and goes the automatic packing machine packing after the processing, goes stockyard to sell as finished product after the packing.
Macrobead returning charge under the thick level screening is returned the tablets press head with powder under the small-particle under the thin grade of screening screening, powder face and the screening of elaboration sieve, together as system's returning charge granule in tablets press after pulverizer is pulverized; Tail gas emptying after dedusting of one-level dryer, one-level cooler, secondary dryer, secondary cooler; This product with potassium humate and multiple in, trace element adds at the raw material mixed processes of production of compound fertilizer, produces potassium humate compound fertilizer,
Compound method:
The present invention both can produce the Common compound fertilizer prescription, also can be according to the regulation of fertilizer requirement of Different Crop, and the fertilizer performance of different soils, production formula is fertile.Below be the production formula of several routines:
Table 2 potassium humate compound fertilizer prescription unit: kilogram
Select the higher granulating method production equipment of sexual valence to carry out the production of humic acid type composite fertilizer, to enhance productivity, reduce production costs, the characteristics of this equipment maximum are can serialization production, enhance productivity, can produce that particle is large, intensity is high, non-caking potassium humate compound fertilizer, energy consumption is low in process of production, " three wastes " exhaust emission is light.
Can be continuously produced the potassium humate compound fertilizer that particle is large, intensity is high, soil does not lump, nutrient is not unbalance, nuisanceless, pollution-free in process of production, the present invention meets following requirement:
Humic acids (butt meter) 〉=40%; Potassium (K
2O butt meter) 8-11%; PH value 9.0-10.0; Calcination residual value (butt meter)≤40%; Water-insoluble (butt meter)≤25%; Moisture content≤15%; The screenings of 40 mesh sieves≤5%.
Experiment shows: potassium humate is a kind of efficient organic potassic fertilizer, because humic acids wherein is a kind of biologically active agents, can improve the Soil Available potassium content, the loss of minimizing potassium and fixing, increase crop to absorption and the utilization ratio of potassium, also have improvement soil, promotion plant growth, raising crop anti-adversity ability, improve the functions such as crop quality, protection agroecological environment; It can be made into the high-efficiency multi-function composite fertilizer with after urea, phosphate fertilizer, potash fertilizer, trace element etc. mix;
Experiment shows: potassium humate is the aromatic hydroxy-carboxylic salt of the non-homogeneous of a kind of polymer, outward appearance is black particle or powdery solid, is the product after being extracted with the KOH liquid reactions afterwards by the meticulous choosing of brown coal, and is water-soluble, be alkalescence, contain carboxyl, phenolic hydroxyl group isoreactivity group;
Experiment shows: potassium humate be combined with elements such as nitrogen, phosphorus, potassium the humic acid fertilizer made (for example: in ammonia and humic acids can be made into ammonium humate fertilizer), have fertilizer synergistic, improve soil, stimulate plant growth, improve the function such as agricultural product quality; Nitro humic acid can be used as the raising rice seedlings acidity regulator; Humic acids magnesium, zinc humic acid, humic acid urea iron lack zinc at additional soil magnesium deficiency, corn respectively, Chlorosis in Fruit trees has good effect; The combined use of pesticides such as humic acids and nitrofen, atrazine can improve drug effect, suppress residual hazard; Sodium salts humic acids is effective to the treatment apple tree canker;
Experiment shows: the humic acids functional group in the potassium humate can absorb the storage potassium ion, prevents from outflowing with water in sandy soil and leaching soil, can prevent that again clayed soil is to potassium fixation; Some part of potassium humate is the low molecule humic acidss such as xanthohumic acid in addition, to containing the mineral such as potassium silicate, potassium felspar sand corrosion is arranged, and can slowly decompose the burst size that increases potassium, improves the content of available potassium; Improve 87%--95% than common potassium utilization rate, make fertilizer efficiency increase, crop yield raising, quality improving; Have and combine the use of land with the nurturing of land; Long-acting and quick-acting coordinations; The special efficacy of the aspects such as water conservation, fertilizer conservation successful combines the advantage of inorganic fertilizer and farm manure and is better than them, has good nutrient and discharges adjusting function, it is a kind of good Controlled Release Fertilizer, make nutrient unlikely too many early stage, the later stage nutrient is unlikely too low, and the fertilizer curve is steady; Regulate and control release rate by physics, chemical-biological means, realize the short two-ways regulation of releasing with slowly-releasing; Make the supply of nutritive element in the fertilizer and crop to the demand basic synchronization of nutrient, realize running balance; Common chemical fertilizer (such as urea, 50%--60% potash fertilizer, diammonium phosphate etc.) easily produces makes soil compaction and to the pollution of water, gas, potassium humate all can be avoided or obviously reduce; Obviously high crop output improves crop quality, and crop nutrient composition raising, nitrate content are reduced, and color and storage tolerance are all good; To possess the Agricultural Clean of environment-friendly function and the basic substance of green food; Potassium humate runs off less, utilization ratio is high, and plant absorbing is stable, the two-way raising of yield and quality.
Claims (3)
1. potassium humate compound fertilizer, by urea, potassium humate, monoammonium phosphate, ammonium chloride, calcium powder, with wilkinite mixing sal epsom, zinc sulfate, middle trace element is formulated, it is characterized in that: wherein each prescription is respectively by weight percentage: urea 150-250 kilogram, potassium humate 100-170 kilogram, monoammonium phosphate 350-380 kilogram, ammonium chloride 150-250 kilogram, calcium powder 25-50 kilogram, wilkinite 5-90 kilogram, sal epsom 12-15 kilogram, zinc sulfate 8-10 kilogram, middle trace element
It is prepared by following step and method, and specifically each formulated method is as follows,
Adopt steam dram physics pellet granulation, be respectively from respectively organizing by the above-mentioned raw materials weight percent meter of material loading workshop section: nitrogen-phosphorus-potassium humate is 170 kilograms of 380 kilograms of 200 kilograms of 200 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, 25 kilograms of the calcium powder of 17-17-17,5 kilograms of wilkinites, 12 kilograms in sal epsom, 8 kilograms in zinc sulfate, middle trace element;
Nitrogen-phosphorus-potassium humate is 70 kilograms of 30 kilograms of 160 kilograms of 370 kilograms of 150 kilograms of 200 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, calcium powders, wilkinites, 12 kilograms in the sal epsom of 16-16-16,8 kilograms in zinc sulfate, middle trace element;
Nitrogen-phosphorus-potassium humate is 90 kilograms of 50 kilograms of 150 kilograms of 350 kilograms of 200 kilograms of 150 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, calcium powders, wilkinites, 12 kilograms in the sal epsom of 15-15-15,8 kilograms in zinc sulfate, middle trace element;
Nitrogen-phosphorus-potassium humate is 100 kilograms of 350 kilograms of 250 kilograms of 250 kilograms in prescription urea, ammonium chlorides, monoammonium phosphates, potassium humates, 25 kilograms of the calcium powder of 20-15-10,15 kilograms in sal epsom, 10 kilograms in zinc sulfate, middle trace element;
Above-mentioned after metering with system's returning charge agglomeration granulation in tablets press, carry, enter one-level drying machine drying and the cooling of one-level cooler through conveyor and bucket elevator; Cooling is by the lower macrobead of scalping sieve, through the lower small-particle of dusting cover screening and powder face, in secondary drying machine drying and the cooling of secondary cooler, finished product carries out anti-caking through the coating machine coating to be processed again, go the automatic packing machine packing after the processing, go stockyard to sell as finished product after the packing; Macrobead returning charge under the thick level screening screening is after pulverizer is pulverized, return together the tablets press head with powder under the small-particle under the thin level screening screening, powder face and the screening of elaboration sieve, as system's returning charge granule in tablets press, tail gas emptying after dedusting of one-level dryer, one-level cooler, secondary dryer, secondary cooler; This product with potassium humate and multiple in, trace element adds at the raw material mixed processes of production of compound fertilizer, produces potassium humate compound fertilizer, namely gets product.
2. a kind of potassium humate compound fertilizer according to claim 1, it is characterized in that: described middle trace element comprises: 10 kilograms of boron: 8 kilograms in magnesium, 9 kilograms in manganese, 1 kilogram of copper.
3. a kind of potassium humate compound fertilizer according to claim 1; it is characterized in that: the returning charge of described system is to comprise: the macrobead returning charge under the thick level screening screening is after pulverizer is pulverized; return together the tablets press head with powder under the small-particle under the thin grade of screening screening, powder face and the screening of elaboration sieve, as system's returning charge granule in tablets press.
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| CN1490282A (en) * | 2002-10-16 | 2004-04-21 | 郭宗恒 | Activated humic acid composite fertilizer and its making method |
| CN1834071A (en) * | 2006-04-07 | 2006-09-20 | 聊城鲁西化工第四化肥厂 | Prodn method of high azote, high potassium and sulfenyl 3-element compound fertilizer |
| CN101570456A (en) * | 2008-10-22 | 2009-11-04 | 新疆农垦科学院农业新技术推广服务中心 | Water soluble humic acid multi-element solid fertilizer and production method thereof |
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2010
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490282A (en) * | 2002-10-16 | 2004-04-21 | 郭宗恒 | Activated humic acid composite fertilizer and its making method |
| CN1834071A (en) * | 2006-04-07 | 2006-09-20 | 聊城鲁西化工第四化肥厂 | Prodn method of high azote, high potassium and sulfenyl 3-element compound fertilizer |
| CN101570456A (en) * | 2008-10-22 | 2009-11-04 | 新疆农垦科学院农业新技术推广服务中心 | Water soluble humic acid multi-element solid fertilizer and production method thereof |
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