CN103044144B - Preparation method of organic chelate fertilizer - Google Patents

Preparation method of organic chelate fertilizer Download PDF

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Publication number
CN103044144B
CN103044144B CN201310001774.1A CN201310001774A CN103044144B CN 103044144 B CN103044144 B CN 103044144B CN 201310001774 A CN201310001774 A CN 201310001774A CN 103044144 B CN103044144 B CN 103044144B
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preparation
solution
liquid
organic chelate
hefei
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CN103044144A (en
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杨彪
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F11/00Other organic fertilisers
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00Other inorganic fertilisers
    • C05D9/02Other inorganic fertilisers containing trace elements

Abstract

The invention provides a preparation method of an organic chelate fertilizer. The preparation method comprises the steps that (1) typha angustifolia and crop straw are cleaned, crushed and mixed; compound bacterium liquid and a sodium bicarbonate solution are added; stirring and sealing fermentation are conducted; a potassium hydroxide solution is added; humic liquid is obtained; (2) compound amino acid and inorganic salt of medium trace elements conduct chelation reaction with the humic liquid; a pH value is adjusted by an acid solution to be 5-6; temperature rise and stirring are conducted for reaction; the pH value is adjusted by an alkaline substance to be 7; a chelation product solution is obtained; (3) a nitrogenous fertilizer, a phosphate fertilizer, a potash fertilizer and water are added to a mixer by weight percentage, and mixed uniformly; pelleting slurry is prepared; and (4) the chelation product solution and the pelleting slurry are driven into a guniting neutralization geosyncline, mixed uniformly, transferred to a pelletizer for guniting and pelleting, and dried, and then the organic chelate fertilizer is obtained. The organic chelate fertilizer prepared by the method is small in application amount, high in stability, and high in plant absorptivity.

Description

The preparation method in a kind of organic chelate Hefei
Technical field
The invention belongs to the manufacture field of compound manure, especially relate to the preparation method in a kind of organic chelate Hefei.
Background technology
In recent years, nitrogen, phosphorus, K compound fertilizer are commonly used, owing to having ignored the interpolation of middle trace element, although therefore increased the usage quantity of compound manure, the output of farm crop is not only effectively improved, and has occurred on the contrary that crop pest increases the weight of, the phenomenon of soil, pollution of waterhead.The importance of recognizing for addressing this problem investigator that gradually middle trace element adds.At present, the compound manure that contain middle trace element most on market are only that the inorganic salt of middle trace element or oxide compound are simply joined in nitrogen-phosphorus-potassium compound fertilizer, solidification and interionic antagonistic action due to soil, the method often causes the utilization ratio of middle trace element low, can not effectively address the above problem.Part producer adopts EDTA, EDDHA etc. as sequestrant, but exist expensive, the problem that production cost is high.Separately have part producer to adopt humic acids and xanthohumic acid as sequestrant, but its sequestering power a little less than.
In addition, along with environmental pollution increases the weight of, the heavy metal contamination of soil also becomes a problem demanding prompt solution, and the heavy metal in soil mainly comes from the aspects such as agricultural chemicals, waste water, mud and atmospheric precipitation.If the heavy metal containing in soil can not effectively be processed, will absorbed by cropsly accumulate, final harm humans is healthy.At present, the improvement of heavy metal in soil can not realize thorough removing, and residual part heavy metal is very easily absorbed by plants and enrichment.
Summary of the invention
The object of the invention is, for above-mentioned problems of the prior art, provides the preparation method in a kind of organic chelate Hefei.
Object of the present invention realizes by the following technical solutions: the preparation method in a kind of organic chelate Hefei, and its preparation process is:
1. after the stem or leaf of cattail and agricultural crop straw being cleaned respectively, be crushed to 20-60 order, by weight 2-3:1, mix, then adding composite bacteria liquid and concentration is 15% sodium hydrogen carbonate solution, stirs after 2h sealing, at 60-80 ℃, heat-preservation fermentation is 5 days, then to adding in the liquid having fermented 15% potassium hydroxide solution to pH=7-8, obtain corruption and plant liquid, wherein the weight ratio of the mixture of the stem or leaf of cattail and agricultural crop straw, composite bacteria liquid, 15% sodium hydrogen carbonate solution is 1:0.2-0.3:0.05-0.1;
2. the inorganic salt of aminoacids complex, middle trace element are joined in chelatropic reaction still, then in chelatropic reaction still, add corruption to plant liquid, with acidic solution, be adjusted to pH=5-6, with the saturation steam of 0.5-0.6MPa, the solution in chelatropic reaction still is warming up to 50-80 ℃, stirring reaction 0.5-2h, then with alkaline matter, be adjusted to pH=7, obtain chelating product solution, chelating product solution is proceeded in chelating storage tank standby, wherein, the total content of trace element is 1:2-3 with rotten weight ratio of planting liquid, and aminoacids complex is 0.5-3:2-3 with rotten weight ratio of planting liquid;
3. nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and water are joined in mixing machine and mixed by weight 0.8-0.85:1.1-1.3:0.95-1.2:1, make granulation slurry;
4. with volume pump, chelating product solution and granulation slurry are squeezed in whitewashing and geosyncline by the weight ratio of 1:10-20, after mixing, proceed to tablets press, carry out spray granulating, after oven dry, obtain organic chelate Hefei.
The step 1. preparation method of described composite bacteria liquid is: Bacillus subtilus and saccharomycetic bacterial classification that laboratory culture is good all access in scale-up medium by the inoculum size of 4-8%, at 30-40 ℃, starvation stir culture is 3 days, Bacillus subtilus reaches 4-6 hundred million/mL, yeast obtains composite bacteria liquid after reaching 2-4 hundred million/mL;
The formula of scale-up medium is: glucose 4.7g/kg, and peptone 6.2g/ kg, extractum carnis 2.1g/ kg, magnesium sulfate heptahydrate 0.4g/ kg, manganous sulfate 0.1g/ kg, sodium acetate trihydrate 4.2g/ kg, pH=6-7, adds water and supplies.
Described acidic substance are any in citric acid, dilute sulphuric acid, dilute hydrochloric acid, dilute phosphoric acid, and described alkaline matter is any in sodium hydroxide solution, potassium hydroxide solution, ammoniacal liquor.
Described acidic substance are citric acid or dilute sulphuric acid, and described alkaline matter is ammoniacal liquor.
Step 2. described middle trace element and element wt proportioning is: Ca 9-10, Mg 1.4-3, Zn 2.3-3.6, Fe 1.3-2.1, Mn 0.6-1, Cu 0.7-0.9, the inorganic salt of described middle trace element are any in vitriol, muriate, carbonate.
Step 1. described agricultural crop straw can be the stalk of any one farm crop in wheat, paddy rice, corn, Chinese sorghum.
The nitrogenous fertilizer of step described in is 3. urea, and phosphate fertilizer is monoammonium phosphate or diammonium phosphate, and potash fertilizer is potassium sulfate or Repone K.
2. the middle stirring reaction time is 1-1.2h to step.
The preparation method in organic chelate Hefei, concrete preparation process is as follows:
1. after the 15kg stem or leaf of cattail and 6kg rice straw being cleaned respectively, be crushed to 40 orders, after mixing, add the sodium hydrogen carbonate solution that 5.3kg composite bacteria liquid and 1.7kg concentration are 15%, stir after 2h, sealing, at 70 ℃, heat-preservation fermentation is 5 days, then, to adding in the liquid having fermented 15% potassium hydroxide solution to pH=7.5, obtains 28.3kg corruption and plants liquid;
The preparation method of composite bacteria liquid is: by Bacillus subtilus and saccharomycetic bacterial classification, all by 6% inoculum size access scale-up medium, starvation stir culture is 3 days at 35 ℃, and Bacillus subtilus reaches 500,000,000/mL, after yeast reaches 300,000,000/mL, obtains composite bacteria liquid;
The formula of scale-up medium is: glucose 24.9g, and peptone 32.9g, extractum carnis 11.1g, magnesium sulfate heptahydrate 2.1g, manganous sulfate 0.5g, sodium acetate trihydrate 22.3g, pH=6.5, adds water to 5.3kg;
2. 19.8kg aminoacids complex, 20.5kg calcium sulfate, 4.4kg magnesiumcarbonate, 4kg zinc chloride, 3.6kg iron protochloride, 1.7kg Manganous chloride tetrahydrate, 1.26kg copper sulfate are joined in chelatropic reaction still, then in chelatropic reaction still, add 28.3kg corruption to plant liquid, with citric acid solution, be adjusted to pH=5.5, with the saturation steam of 0.55MPa, the solution in chelatropic reaction still is warming up to 65 ℃, stirring reaction 1.2h, then with ammoniacal liquor, be adjusted to pH=7, obtain 84.2kg chelating product solution, chelating product solution is proceeded in chelating storage tank standby;
3. 257.6kg urea, 377kg monoammonium phosphate, 314.2kg Repone K and 314.2kg water are joined in mixing machine and mixed, make 1263kg granulation slurry;
4. with volume pump, 84.2kg chelating product solution and 1263kg granulation slurry are squeezed in whitewashing and geosyncline, after mixing, proceed to tablets press, carry out spray granulating, after oven dry, obtain 1347.2kg organic chelate Hefei.
The preparation method in a kind of organic chelate of the present invention Hefei, the corruption that the stem or leaf of cattail and agricultural crop straw prepared as raw material of take is planted and in liquid, is contained a large amount of Sodium salts humic acidss and potassium humate etc., with aminoacids complex jointly as organic sequestering agent with in trace element chelated, promote the absorption of plant to nitrogenous fertilizer, phosphate fertilizer, potash fertilizer.Sequestrant and aminoacids complex that corruption is planted in liquid can reach complementary action, make every kind in trace element all reach best chelating effect, guarantee the stable performance of fertilizer efficiency.Meanwhile, corruption is planted humic acids in the liquid heavy metal in also can chelating soil and is generated precipitation, suppresses the absorption of plant to heavy metal ion.In addition, because the stem or leaf of cattail that contains in liquid after a large amount of pulverizing and the organic fibre component of agricultural crop straw are planted in corruption, therefore the organic chelate mould assembly compound manure of final preparation contains a large amount of organic matters, use the rear organic content in soil that increased, can alleviate the biological effectiveness of heavy metal, the heavy metal in soil is had to good absorption and complex ability.
The preparation method in a kind of organic chelate of the present invention Hefei, the chelating operation of middle trace element and traditional mortar jetting method granulation are produced to compound manure operation to be organically combined, save the concentrated of chelating product, drying step, the sequestering power of the organic chelate Hefei centering trace element finally making is strong, directly granulation after chelating, do not need the operations such as later stage pulverizing, simplified preparation flow, and added and take the corruption that the stem or leaf of cattail and agricultural crop straw make as fermenting raw materials and plant liquid composition, make organic chelate Hefei can suppress the absorption of plant to the heavy metal in soil on former promising plant provides the basis of nutritive substance, improve soil property, more be beneficial to the absorption of Plant To Nutrient material.
The organic chelate Hefei that utilizes the inventive method to prepare, the middle trace element that contains 0.1-3%, compound manure amount of application is little, and stability is high, and plant specific absorption is high.
Embodiment
The preparation method in a kind of organic chelate of the present invention Hefei, its preparation process is:
1. after the stem or leaf of cattail and agricultural crop straw being cleaned respectively, be crushed to 20-60 order, by weight 2-3:1, mix, then adding composite bacteria liquid and concentration is 15% sodium hydrogen carbonate solution, stirs after 2h sealing, at 60-80 ℃, heat-preservation fermentation is 5 days, then to adding in the liquid having fermented 15% potassium hydroxide solution to pH=7-8, obtain corruption and plant liquid, wherein the weight ratio of the mixture of the stem or leaf of cattail and agricultural crop straw, composite bacteria liquid, 15% sodium hydrogen carbonate solution is 1:0.2-0.3:0.05-0.1;
2. the inorganic salt of aminoacids complex, middle trace element are joined in chelatropic reaction still, then in chelatropic reaction still, add corruption to plant liquid, with acidic solution, be adjusted to pH=5-6, with the saturation steam of 0.5-0.6MPa, the solution in chelatropic reaction still is warming up to 50-80 ℃, stirring reaction 0.5-2h, then with alkaline matter, be adjusted to pH=7, obtain chelating product solution, chelating product solution is proceeded in chelating storage tank standby, wherein, the total content of trace element is 1:2-3 with rotten weight ratio of planting liquid, and aminoacids complex is 0.5-3:2-3 with rotten weight ratio of planting liquid;
3. nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and water are joined in mixing machine and mixed by weight 0.8-0.85:1.1-1.3:0.95-1.2:1, make granulation slurry;
4. with volume pump, chelating product solution and granulation slurry are squeezed in whitewashing and geosyncline by the weight ratio of 1:10-20, after mixing, proceed to tablets press, carry out spray granulating, after oven dry, obtain organic chelate Hefei.
The step 1. preparation method of described composite bacteria liquid is: Bacillus subtilus and saccharomycetic bacterial classification that laboratory culture is good all access in scale-up medium by the inoculum size of 4-8%, at 30-40 ℃, starvation stir culture is 3 days, Bacillus subtilus reaches 4-6 hundred million/mL, yeast obtains composite bacteria liquid after reaching 2-4 hundred million/mL;
The formula of scale-up medium is: glucose 4.7g/kg, and peptone 6.2g/ kg, extractum carnis 2.1g/ kg, magnesium sulfate heptahydrate 0.4g/ kg, manganous sulfate 0.1g/ kg, sodium acetate trihydrate 4.2g/ kg, pH=6-7, adds water and supplies.
The composite bacteria liquid obtaining with Bacillus subtilus and yeast enlarged culturing can be converted into humic acids by the stem or leaf of cattail and anaerobic fermented crop grass, further adds alkali and is converted into humate, the chelating as sequestrant for trace element.Bacillus subtilus and yeast bacterial classification are pressed known technology and are cultivated.
Described acidic substance are any in citric acid, dilute sulphuric acid, dilute hydrochloric acid, dilute phosphoric acid, and described alkaline matter is any in sodium hydroxide solution, potassium hydroxide solution, ammoniacal liquor.
Described acidic substance are citric acid or dilute sulphuric acid, and described alkaline matter is ammoniacal liquor.
Preferred acidic substance can not only regulator solution pH value, and have certain antioxidant property, prevent that product is oxidized in application.Preferred alkaline matter can not produce by product, is conducive to guarantee product purity.
Step 2. described middle trace element and element wt proportioning is: Ca 9-10, Mg 1.4-3, Zn 2.3-3.6, Fe 1.3-2.1, Mn 0.6-1, Cu 0.7-0.9, the inorganic salt of described middle trace element are any in vitriol, muriate, carbonate.The weight proportion of middle trace element can promote nitrogen absorbed by plant fertilizer, phosphate fertilizer and potash fertilizer preferably, meets the demand that plant nutrient substance absorbs.
Step 1. described agricultural crop straw can be the stalk of any one farm crop in wheat, paddy rice, corn, Chinese sorghum.Selected agricultural crop straw makes the corruption of preparation plant in liquid and contain a large amount of organic matters, is beneficial to and suppresses the absorption of plant to heavy metal in soil.
The nitrogenous fertilizer of step described in is 3. urea, and phosphate fertilizer is monoammonium phosphate or diammonium phosphate, and potash fertilizer is potassium sulfate or Repone K.After the chelating product mixing granulation of selected nitrogenous fertilizer, phosphate fertilizer and potash fertilizer and middle trace element, can reach optimum assimilation effect.
2. the middle stirring reaction time is 1-1.2h to step.The preferred stirring reaction time can reach good chelating effect.
The preparation method in a kind of organic chelate of the present invention Hefei, can have following specific embodiment:
The concrete preparation process of embodiment mono-is as follows:
1. after the 6.7kg stem or leaf of cattail and 3.3kg wheat stalk being cleaned respectively, be crushed to 20 orders, after mixing, add the sodium hydrogen carbonate solution that 2kg composite bacteria liquid and 0.5kg concentration are 15%, stir after 2h, sealing, at 60 ℃, heat-preservation fermentation is 5 days, then, to adding in the liquid having fermented 15% potassium hydroxide solution to pH=7, obtains 14.6kg corruption and plants liquid;
The preparation method of composite bacteria liquid is: by Bacillus subtilus and saccharomycetic bacterial classification, all by 4% inoculum size access scale-up medium, starvation stir culture is 3 days at 30 ℃, and Bacillus subtilus reaches 400,000,000/mL, after yeast reaches 200,000,000/mL, obtains composite bacteria liquid;
The formula of scale-up medium is: glucose 9.4g, and peptone 12.4g, extractum carnis 4.2g, magnesium sulfate heptahydrate 0.8g, manganous sulfate 0.2g, sodium acetate trihydrate 8.4g, pH=6, adds water to 2kg;
2. 3.7kg aminoacids complex, 10.7kg calcium carbonate, 3.3kg magnesium sulfate, 2.3kg zinc chloride, 1.7kg ferrous sulfate, 1.0kg Manganous chloride tetrahydrate, 0.7kg cupric chloride are joined in chelatropic reaction still, then in chelatropic reaction still, add 14.6kg corruption to plant liquid, with dilution heat of sulfuric acid, be adjusted to pH=5, with the saturation steam of 0.5MPa, the solution in chelatropic reaction still is warming up to 50 ℃, stirring reaction 0.5h, then with sodium hydroxide solution, be adjusted to pH=7, obtain 38.6kg chelating product solution, chelating product solution is proceeded in chelating storage tank standby;
3. 80.2kg urea, 110.3kg monoammonium phosphate, 95.2kg Repone K and 100.3kg water are joined in mixing machine and mixed, make 386kg granulation slurry;
4. with volume pump, 38.6kg chelating product solution and 386kg granulation slurry are squeezed in whitewashing and geosyncline, after mixing, proceed to tablets press, carry out spray granulating, after oven dry, obtain 404.6kg organic chelate Hefei.
The concrete preparation process of embodiment bis-is as follows:
1. after the 7.5kg stem or leaf of cattail and 2.5kg maize straw being cleaned respectively, be crushed to 60 orders, after mixing, add the sodium hydrogen carbonate solution that 3kg composite bacteria liquid and 1kg concentration are 15%, stir after 2h, sealing, at 80 ℃, heat-preservation fermentation is 5 days, then, to adding in the liquid having fermented 15% potassium hydroxide solution to pH=8, obtains 15.9kg corruption and plants liquid;
The preparation method of composite bacteria liquid is: by Bacillus subtilus and saccharomycetic bacterial classification, all by 8% inoculum size access scale-up medium, starvation stir culture is 3 days at 40 ℃, and Bacillus subtilus reaches 600,000,000/mL, after yeast reaches 400,000,000/mL, obtains composite bacteria liquid;
The formula of scale-up medium is: glucose 14.1g, and peptone 18.6g, extractum carnis 6.3g, magnesium sulfate heptahydrate 1.2g, manganous sulfate 0.3g, sodium acetate trihydrate 12.6g, pH=7, adds water to 3kg;
2. 15.9kg aminoacids complex, 1kg calcium chloride, 3.1kg magnesium chloride, 2.3kg zinc sulfate, 1.8kg iron protochloride, 0.7kg manganous sulfate, 0.5kg cupric chloride are joined in chelatropic reaction still, then in chelatropic reaction still, add 15.9kg corruption to plant liquid, with dilute hydrochloric acid solution, be adjusted to pH=6, with the saturation steam of 0.6MPa, the solution in chelatropic reaction still is warming up to 80 ℃, stirring reaction 2h, then with sodium hydroxide solution, be adjusted to pH=7, obtain 51.2kg chelating product solution, chelating product solution is proceeded in chelating storage tank standby;
3. 200.1kg urea, 306kg diammonium phosphate, 282.5kg Repone K and 235.4kg water are joined in mixing machine and mixed, make 1024kg granulation slurry;
4. with volume pump, 51.2kg chelating product solution and 1024kg granulation slurry are squeezed in whitewashing and geosyncline, after mixing, proceed to tablets press, carry out spray granulating, after oven dry, obtain 1049.2kg organic chelate Hefei.
The concrete preparation process of embodiment tri-is as follows:
1. after the 15kg stem or leaf of cattail and 6kg rice straw being cleaned respectively, be crushed to 40 orders, after mixing, add the sodium hydrogen carbonate solution that 5.3kg composite bacteria liquid and 1.7kg concentration are 15%, stir after 2h, sealing, at 70 ℃, heat-preservation fermentation is 5 days, then, to adding in the liquid having fermented 15% potassium hydroxide solution to pH=7.5, obtains 28.3kg corruption and plants liquid;
The preparation method of composite bacteria liquid is: by Bacillus subtilus and saccharomycetic bacterial classification, all by 6% inoculum size access scale-up medium, starvation stir culture is 3 days at 35 ℃, and Bacillus subtilus reaches 500,000,000/mL, after yeast reaches 300,000,000/mL, obtains composite bacteria liquid;
The formula of scale-up medium is: glucose 24.9g, and peptone 32.9g, extractum carnis 11.1g, magnesium sulfate heptahydrate 2.1g, manganous sulfate 0.5g, sodium acetate trihydrate 22.3g, pH=6.5, adds water to 5.3kg;
2. 19.8kg aminoacids complex, 20.5kg calcium sulfate, 4.4kg magnesiumcarbonate, 4kg zinc chloride, 3.6kg iron protochloride, 1.7kg Manganous chloride tetrahydrate, 1.26kg copper sulfate are joined in chelatropic reaction still, then in chelatropic reaction still, add 28.3kg corruption to plant liquid, with citric acid solution, be adjusted to pH=5.5, with the saturation steam of 0.55MPa, the solution in chelatropic reaction still is warming up to 65 ℃, stirring reaction 1.2h, then with ammoniacal liquor, be adjusted to pH=7, obtain 84.2kg chelating product solution, chelating product solution is proceeded in chelating storage tank standby;
3. 257.6kg urea, 377kg monoammonium phosphate, 314.2kg Repone K and 314.2kg water are joined in mixing machine and mixed, make 1263kg granulation slurry;
4. with volume pump, 84.2kg chelating product solution and 1263kg granulation slurry are squeezed in whitewashing and geosyncline, after mixing, proceed to tablets press, carry out spray granulating, after oven dry, obtain 1327.2kg organic chelate Hefei.
The concrete preparation process of embodiment tetra-is as follows:
1. after the 9kg stem or leaf of cattail and 3kg broomcorn straw being cleaned respectively, be crushed to 50 orders, after mixing, add the sodium hydrogen carbonate solution that 2.4kg composite bacteria liquid and 1.2kg concentration are 15%, stir after 2h, sealing, at 60 ℃, heat-preservation fermentation is 5 days, then, to adding in the liquid having fermented 15% potassium hydroxide solution to pH=8, obtains 16.2kg corruption and plants liquid;
The preparation method of composite bacteria liquid is: by Bacillus subtilus and saccharomycetic bacterial classification, all by 5% inoculum size access scale-up medium, starvation stir culture is 3 days at 35 ℃, and Bacillus subtilus reaches 600,000,000/mL, after yeast reaches 300,000,000/mL, obtains composite bacteria liquid;
The formula of scale-up medium is: glucose 11.3g, and peptone 14.9g, extractum carnis 5g, magnesium sulfate heptahydrate 1g, manganous sulfate 0.2g, sodium acetate trihydrate 10.1g, pH=6.5, adds water to 2.4kg;
2. 2.7kg aminoacids complex, 13.8kg calcium sulfate, 5.4kg magnesium chloride, 2.2kg zinc chloride, 2.6kg ferrous sulfate, 0.9kg Manganous chloride tetrahydrate, 1kg copper sulfate are joined in chelatropic reaction still, then in chelatropic reaction still, add 16.2kg corruption to plant liquid, with dilute phosphoric acid solution, be adjusted to pH=6, with the saturation steam of 0.5MPa, the solution in chelatropic reaction still is warming up to 70 ℃, stirring reaction 1h, then with potassium hydroxide solution, be adjusted to pH=7, obtain 45kg chelating product solution, chelating product solution is proceeded in chelating storage tank standby;
3. 111.4kg urea, 181.1kg diammonium phosphate, 153.2kg potassium sulfate and 139.3kg water are joined in mixing machine and mixed, make 585kg granulation slurry;
4. with volume pump, 45kg chelating product solution and 585kg granulation slurry are squeezed in whitewashing and geosyncline, after mixing, proceed to tablets press, carry out spray granulating, after oven dry, obtain 614kg organic chelate Hefei.

Claims (8)

1. the preparation method in organic chelate Hefei, is characterized in that: its preparation process is:
1. after the stem or leaf of cattail and agricultural crop straw being cleaned respectively, be crushed to 20-60 order, by weight 2-3:1, mix, then adding composite bacteria liquid and concentration is 15% sodium hydrogen carbonate solution, stirs after 2h sealing, at 60-80 ℃, heat-preservation fermentation is 5 days, then to adding in the liquid having fermented 15% potassium hydroxide solution to pH=7-8, obtain corruption and plant liquid, wherein the weight ratio of the mixture of the stem or leaf of cattail and agricultural crop straw, composite bacteria liquid, 15% sodium hydrogen carbonate solution is 1:0.2-0.3:0.05-0.1;
2. the inorganic salt of aminoacids complex, middle trace element are joined in chelatropic reaction still, then in chelatropic reaction still, add corruption to plant liquid, with acidic solution, be adjusted to pH=5-6, with the saturation steam of 0.5-0.6MPa, the solution in chelatropic reaction still is warming up to 50-80 ℃, stirring reaction 0.5-2h, then with alkaline matter, be adjusted to pH=7, obtain chelating product solution, chelating product solution is proceeded in chelating storage tank standby, wherein, the total content of trace element is 1:2-3 with rotten weight ratio of planting liquid, and aminoacids complex is 0.5-3:2-3 with rotten weight ratio of planting liquid;
3. nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and water are joined in mixing machine and mixed by weight 0.8-0.85:1.1-1.3:0.95-1.2:1, make granulation slurry;
4. with volume pump, chelating product solution and granulation slurry are squeezed in whitewashing and geosyncline by the weight ratio of 1:10-20, after mixing, proceed to tablets press, carry out spray granulating, after oven dry, obtain organic chelate Hefei.
2. the preparation method in a kind of organic chelate according to claim 1 Hefei, it is characterized in that: the step 1. preparation method of described composite bacteria liquid is: Bacillus subtilus and saccharomycetic bacterial classification that laboratory culture is good all access in scale-up medium by the inoculum size of 4-8%, at 30-40 ℃, starvation stir culture is 3 days, Bacillus subtilus reaches 4-6 hundred million/mL, yeast obtains composite bacteria liquid after reaching 2-4 hundred million/mL;
The formula of scale-up medium is: glucose 4.7g/kg, and peptone 6.2g/kg, extractum carnis 2.1g/kg, magnesium sulfate heptahydrate 0.4g/kg, manganous sulfate 0.1g/kg, sodium acetate trihydrate 4.2g/kg, pH=6-7, adds water and supplies.
3. the preparation method in a kind of organic chelate according to claim 1 Hefei, is characterized in that: described acidic substance are any in citric acid, dilute sulphuric acid, dilute hydrochloric acid, dilute phosphoric acid; Described alkaline matter is any in sodium hydroxide solution, potassium hydroxide solution, ammoniacal liquor.
4. the preparation method in a kind of organic chelate according to claim 1 Hefei, is characterized in that: described acidic substance are citric acid or dilute sulphuric acid; Described alkaline matter is ammoniacal liquor.
5. the preparation method in a kind of organic chelate according to claim 1 Hefei, is characterized in that: step 1. described agricultural crop straw can be the stalk of any one farm crop in wheat, paddy rice, corn, Chinese sorghum.
6. the preparation method in a kind of organic chelate according to claim 1 Hefei, is characterized in that: the nitrogenous fertilizer of step described in is 3. urea, and phosphate fertilizer is monoammonium phosphate or diammonium phosphate, and potash fertilizer is potassium sulfate or Repone K.
7. the preparation method in a kind of organic chelate according to claim 1 Hefei, is characterized in that: 2. the middle stirring reaction time is 1-1.2h to step.
8. the preparation method in a kind of organic chelate according to claim 1 Hefei, is characterized in that: concrete preparation process is as follows:
1. after the 15kg stem or leaf of cattail and 6kg rice straw being cleaned respectively, be crushed to 40 orders, after mixing, add the sodium hydrogen carbonate solution that 5.3kg composite bacteria liquid and 1.7kg concentration are 15%, stir after 2h, sealing, at 70 ℃, heat-preservation fermentation is 5 days, then, to adding in the liquid having fermented 15% potassium hydroxide solution to pH=7.5, obtains 28.3kg corruption and plants liquid;
The preparation method of composite bacteria liquid is: by Bacillus subtilus and saccharomycetic bacterial classification, all by 6% inoculum size access scale-up medium, starvation stir culture is 3 days at 35 ℃, and Bacillus subtilus reaches 500,000,000/mL, after yeast reaches 300,000,000/mL, obtains composite bacteria liquid;
The formula of scale-up medium is: glucose 24.9g, and peptone 32.9g, extractum carnis 11.1g, magnesium sulfate heptahydrate 2.1g, manganous sulfate 0.5g, sodium acetate trihydrate 22.3g, pH=6.5, adds water to 5.3kg;
2. 19.8kg aminoacids complex, 20.5kg calcium sulfate, 4.4kg magnesiumcarbonate, 4kg zinc chloride, 3.6kg iron protochloride, 1.7kg Manganous chloride tetrahydrate, 1.26kg copper sulfate are joined in chelatropic reaction still, then in chelatropic reaction still, add 28.3kg corruption to plant liquid, with citric acid solution, be adjusted to pH=5.5, with the saturation steam of 0.55MPa, the solution in chelatropic reaction still is warming up to 65 ℃, stirring reaction 1.2h, then with ammoniacal liquor, be adjusted to pH=7, obtain 84.2kg chelating product solution, chelating product solution is proceeded in chelating storage tank standby;
3. 257.6kg urea, 377kg monoammonium phosphate, 314.2kg Repone K and 314.2kg water are joined in mixing machine and mixed, make 1263kg granulation slurry;
4. with volume pump, 84.2kg chelating product solution and 1263kg granulation slurry are squeezed in whitewashing and geosyncline, after mixing, proceed to tablets press, carry out spray granulating, after oven dry, obtain 1347.2kg organic chelate Hefei.
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