Summary of the invention
The present invention is directed to the prior art deficiency, compound water-soluble fertilizer of a kind of anti-hard water and preparation method thereof is provided.
The compound water-soluble fertilizer of a kind of anti-hard water comprises: nitrogen phosphorus potassium (N+P
2O
5+ K
20) content 30%
50%, micronutrient levelss 0.5% such as iron, manganese, copper, zinc, molybdenum, boron
2%, humic acids content 3%
8%, all the other are water.
Compound water-soluble fertile preparation method is following for a kind of anti-hard water:
Step (1). get 100
the 150kg water cut 30%
40% weathered coal, and be crushed to 40
60 orders.
Step (2). in reaction kettle, add water, be warming up to 80
oC adds the weathered coal after step (1) is handled again successively, and the weight ratio of weathered coal and water is 0.8 in reaction kettle
1.2:5, stirring reaction 0.5
1h;
Step (3). successively mixing acid is dropped in the reaction kettle; Until the mixing acid volume content account for 2
of whole mixed system volume content5%; Stirring reaction 0.5
1h, filter cleaner;
Described mixing acid is made up of 98% vitriol oil, 85% phosphoric acid, 50% nitric acid, and sulfuric acid: phosphoric acid: the volume ratio of nitric acid is 1:5:1; In the filter cleaner filter screen aperture be 50
100 orders;
Step (4). behind the filter cleaner, an ammonium nitrate, saltpetre being added in the reaction kettle, is 1 until the solid-to-liquid ratio of an ammonium nitrate weight and whole mixed system
4:10; The solid-to-liquid ratio of saltpetre weight and whole mixed system is 1
2:20; With Pottasium Hydroxide adjustment hybrid reaction system pH to 7.0
7.5; 1.5
2.0 individual standard atmospheric pressure, 70
oUnder the C constant temperature, stirring reaction 2
2.5h after, form nitrogen phosphorus potassium (N+P
2O
5+ K
20) content 30%
50%, the elementary composite liquid fertilizer of humic acids content more than 3%.
Step (5). in elementary composite liquid fertilizer, adding auxiliary agent successively, is 1 until the solid-to-liquid ratio of auxiliary agent and elementary composite liquid fertilizer
Behind the 6:500,70
oStirring reaction 0.5 under the C constant temperature
1h forms the stable liquid fertilizer of proterties;
Auxiliary agent in the described step (5) is potassium pyrophosphate, Vinylpyrrolidone polymer, SEPIGEL 305, ammonium polyphosphate, sodium laurylsulfonate, methyl-monosilane, XG 550, carrageenin, konjak gum mixture;
Step (6). in the stable liquid fertilizer of proterties, adding auxiliary agent, is 1 until the solid-to-liquid ratio of auxiliary agent and liquid fertilizer
Behind the 25:1000,70
oStirring reaction 0.5 under the C constant temperature
1h, cold filtration can then finally forms the compound water-soluble fertilizer of a kind of anti-hard water.
Auxiliary agent in the described step (6) is ferrous sulfate, zinc sulfate, eight potassium borates, copper sulfate, manganous sulfate, ammonium molybdate mixture.
Beneficial effect of the present invention is following:
Nitrogen phosphorus potassium (N+P of the present invention
2O
5+ K
20) the nutrient content height can reach 30%
50%; Has strong (the following water system of 250mg lime carbonate/L of resistance to hard water; Fertilizer uses stable in properties), stable, the utilization rate of fertilizer high (single nutrient average utilization can reach more than 70%) of product proterties, characteristics such as easy to use, be fit to saline and alkaline area and water saving irrigation and rich water engineering of integrating on a small scale.
Embodiment
Comprise in the compound water-soluble fertilizer of a kind of anti-hard water: nitrogen phosphorus potassium (N+P
2O
5+ K
20) content 30%
50%, micronutrient levelss 0.5% such as iron, manganese, copper, zinc, molybdenum
2%, humic acids content 3%
8%, all the other are water.
Embodiment 1
Step (1). get the 100kg water cut at 30% weathered coal, and be crushed to 40 orders.
Step (2). in reaction kettle, add quantitative water, be warming up to 80
oC adds the weathered coal after step (1) is handled again, makes that the weight ratio of weathered coal and water is 0.8:5 in the reaction kettle, stirring reaction 0.5h;
Step (3). successively mixing acid is dropped in the reaction kettle, until the mixing acid volume content account for whole mixed system volume content 2% after, stirring reaction 0.5h, using the aperture is the slagging-off of 50 purpose strainer filterings;
Described mixing acid is made up of 98% vitriol oil, 85% phosphoric acid, 50% nitric acid, and sulfuric acid: phosphoric acid: the volume ratio of nitric acid is 1:5:1; In the filter cleaner filter screen aperture be 50
100 orders;
Step (4). behind the filter cleaner, an ammonium nitrate, saltpetre are added in the reaction kettle, until the solid-to-liquid ratio of an ammonium nitrate weight and whole mixed system be 1:10, the solid-to-liquid ratio of saltpetre weight and whole mixed system is 1:20; Using Pottasium Hydroxide adjustment hybrid reaction system pH is 7.0; At 1.5 standard atmospheric pressures, 70
oUnder the C constant temperature, behind the stirring reaction 2h, form nitrogen phosphorus potassium (N+P
2O
5+ K
20) total nutrient more than 30%, the elementary composite liquid fertilizer of humic acids content more than 3%.
Step (5). in elementary composite liquid fertilizer, add auxiliary agent successively, after the solid-to-liquid ratio of auxiliary agent and elementary composite liquid fertilizer is 1:500,70
oStirring reaction 0.5h under the C constant temperature forms the stable liquid fertilizer of proterties;
Auxiliary agent in the described step (5) is potassium pyrophosphate, Vinylpyrrolidone polymer, SEPIGEL 305, ammonium polyphosphate, sodium laurylsulfonate, methyl-monosilane, XG 550, carrageenin, konjak gum mixture;
Step (6). in the stable liquid fertilizer of proterties, add auxiliary agent, after the solid-to-liquid ratio of auxiliary agent and liquid fertilizer is 1:1000,70
oStirring reaction 0.5h under the C constant temperature, cold filtration can then finally forms the compound water-soluble fertilizer of a kind of anti-hard water.
Auxiliary agent in the described step (6) is ferrous sulfate, zinc sulfate, eight potassium borates, copper sulfate, manganous sulfate, ammonium molybdate mixture;
Embodiment 2
Step (1). get the 110kg water cut at 35% weathered coal, and be crushed to 50 orders.
Step (2). in reaction kettle, add quantitative water, be warming up to 80
oC adds the weathered coal after step (1) is handled again, makes that the weight ratio of weathered coal and water is 1:5 in the reaction kettle, stirring reaction 0.75h;
Step (3). successively mixing acid is dropped in the reaction kettle, until the mixing acid volume content account for whole mixed system volume content 4% after, stirring reaction 0.75h, using the aperture is the slagging-off of 70 purpose strainer filterings;
Described mixing acid is made up of 98% vitriol oil, 85% phosphoric acid, 50% nitric acid, and sulfuric acid: phosphoric acid: the volume ratio of nitric acid is 1:5:1; In the filter cleaner filter screen aperture be 50
100 orders;
Step (4). behind the filter cleaner, an ammonium nitrate, saltpetre are added in the reaction kettle, until the solid-to-liquid ratio of an ammonium nitrate weight and whole mixed system be 3:10, the solid-to-liquid ratio of saltpetre weight and whole mixed system is 1.5:20; Using Pottasium Hydroxide adjustment hybrid reaction system pH is 7.2; At 2 standard atmospheric pressures, 70
oUnder the C constant temperature, behind the stirring reaction 2.2h, form nitrogen phosphorus potassium (N+P
2O
5+ K
20) total nutrient more than 35%, the elementary composite liquid fertilizer of humic acids content more than 3%.
Step (5). in elementary composite liquid fertilizer, add auxiliary agent successively, after the solid-to-liquid ratio of auxiliary agent and elementary composite liquid fertilizer is 3:500,70
oStirring reaction 0.75h under the C constant temperature forms the stable liquid fertilizer of proterties;
Auxiliary agent in the described step (5) is potassium pyrophosphate, Vinylpyrrolidone polymer, SEPIGEL 305, ammonium polyphosphate, sodium laurylsulfonate, methyl-monosilane, XG 550, carrageenin, konjak gum mixture;
Step (6). in the stable liquid fertilizer of proterties, add auxiliary agent, after the solid-to-liquid ratio of auxiliary agent and liquid fertilizer is 15:1000,70
oStirring reaction 0.75h under the C constant temperature, cold filtration can then finally forms the compound water-soluble fertilizer of a kind of anti-hard water.
Auxiliary agent in the described step (6) is ferrous sulfate, zinc sulfate, eight potassium borates, copper sulfate, manganous sulfate, ammonium molybdate mixture;
Embodiment 3
Step (1). get the 150kg water cut at 50% weathered coal, and be crushed to 60 orders.
Step (2). in reaction kettle, add quantitative water, be warming up to 80
oC adds the weathered coal after step (1) is handled again, makes that the weight ratio of weathered coal and water is 1.2:5 in the reaction kettle, stirring reaction 1h;
Step (3). successively mixing acid is dropped in the reaction kettle, until the mixing acid volume content account for whole mixed system volume content 5% after, stirring reaction 1h, using the aperture is the slagging-off of 100 purpose strainer filterings;
Described mixing acid is made up of 98% vitriol oil, 85% phosphoric acid, 50% nitric acid, and sulfuric acid: phosphoric acid: the volume ratio of nitric acid is 1:5:1; In the filter cleaner filter screen aperture be 50
100 orders;
Step (4). behind the filter cleaner, an ammonium nitrate, saltpetre are added in the reaction kettle, until the solid-to-liquid ratio of an ammonium nitrate weight and whole mixed system be 4:10, the solid-to-liquid ratio of saltpetre weight and whole mixed system is 1.2:20; Using Pottasium Hydroxide adjustment hybrid reaction system pH is 7.5; At 2.5 standard atmospheric pressures, 70
oUnder the C constant temperature, behind the stirring reaction 2.5h, form nitrogen phosphorus potassium (N+P
2O
5+ K
20) total nutrient more than 35%, the elementary composite liquid fertilizer of humic acids content more than 3%.
Step (5). in elementary composite liquid fertilizer, add auxiliary agent successively, after the solid-to-liquid ratio of auxiliary agent and elementary composite liquid fertilizer is 6:500,70
oStirring reaction 1h under the C constant temperature forms the stable liquid fertilizer of proterties;
Auxiliary agent in the described step (5) is potassium pyrophosphate, Vinylpyrrolidone polymer, SEPIGEL 305, ammonium polyphosphate, sodium laurylsulfonate, methyl-monosilane, XG 550, carrageenin, konjak gum mixture;
Step (6). in the stable liquid fertilizer of proterties, add auxiliary agent, after the solid-to-liquid ratio of auxiliary agent and liquid fertilizer is 25:1000,70
oStirring reaction 1h under the C constant temperature, cold filtration can then finally forms the compound water-soluble fertilizer of a kind of anti-hard water.
Auxiliary agent in the described step (6) is ferrous sulfate, zinc sulfate, eight potassium borates, copper sulfate, manganous sulfate, ammonium molybdate mixture;
Main innovate point of the present invention is the preparation process but not concrete parameter; In practical application, can carry out parameter adjustment as the case may be; As long as can realize that said purpose all should be within protection scope of the present invention, and definitely not limit concrete parameter values of the present invention.