CN106316542A - Synergistic compound fertilizer and preparation method thereof - Google Patents
Synergistic compound fertilizer and preparation method thereof Download PDFInfo
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- CN106316542A CN106316542A CN201510330304.9A CN201510330304A CN106316542A CN 106316542 A CN106316542 A CN 106316542A CN 201510330304 A CN201510330304 A CN 201510330304A CN 106316542 A CN106316542 A CN 106316542A
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Abstract
The invention discloses a synergistic compound fertilizer and a preparation method thereof. The synergistic compound fertilizer is obtained by adding polyaspartic acid or its salt and a phosphate solubilizing agent into a common compound fertilizer, wherein the weight percentage of the components in the synergistic compound fertilizer is as the following: the compound fertilizer accounts for 75.0-99.98%, the polyaspartic acid or its salt accounts for 5.0-0.01%, and the phosphate solubilizing agent accounts for 20.0-0.01%. The phosphate solubilizing agent is a combination of one or more of oxalic acid, citric acid, tartaric acid, acrylic acid, zeolite powder and humic acid. The preparation method of the synergistic compound fertilizer provided by the invention utilizes the existing equipment and technology for production of fertilizer by granular method, the polyaspartic acid or its salt and the phosphate solubilizing agent are metered by a metering device disposed in front of a granulator and are then added into the granulator. The synergistic compound fertilizer provided by the invention greatly promotes full absorption of crops to nitrogen, phosphorus, potassium and trace elements, comprehensively improves the utilization rate of fertilizer, and enhances the quality of crops.
Description
Technical field
The present invention relates to a kind of Synergistic composite fertilizer, especially relate to a kind of Synergistic composite fertilizer utilizing Common compound fertilizer, poly-aspartate or its salt, phosphorus decomposing agent to produce and preparation method thereof.
Background technology
Proving according to scientist's years of researches, reasonable economic fertilization is one of important measures of crop yield increasing matter, and fertilising is the material base of high yield and high quality.But relevant expert points out that the usage amount of China's chemical fertilizer in recent years is considerably beyond international average level, amount of application--as a example by nitrogenous fertilizer--has been 3 times of the U.S., 1.5 times of France, 1.6 times of Germany now, in this case, strengthen nitrogenous fertilizer usage amount again, deterioration in quality will be made, make diminishing marginal benefits.
Summary of the invention
The technical issues that need to address of the present invention are to provide one and are not only able to make nitrogen, potassium efficient absorption, and can promote the compound fertilizer of the utilization rate of phosphorus and a kind of preparation method thereof.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of Synergistic composite fertilizer, it is made up of compound fertilizer, poly-aspartate or its salt, phosphorus decomposing agent.The weight percentage of each composition of Synergistic composite fertilizer is poly-aspartate or its salt 5.0～0.01%, phosphorus decomposing agent 20.0～0.01%, compound fertilizer 75.0～99.98%.
Poly-aspartate of the present invention is to be that L-Aspartic acid, D.L-aspartic acid are each polymerized by amino acid monomer；Above-mentioned polyaspartic acid salts is that poly-aspartate hydrolyzes further and forms, and its hydrolyzate can be the sodium salt of poly-aspartate, potassium salt, ammonium salt, zinc salt, magnesium salt, calcium salt or its salt-mixture.The molecular weight of poly-aspartate or its salt is between 2500 to 8000.
Phosphorus decomposing agent of the present invention is one or several combination of oxalic acid, citric acid, tartaric acid, acrylic acid, zeolite powder, humic acid, phosphate solubilizing bacterial manure, it is also possible to be that having of other reduces the soil material to phosphorus fixation effect.
Compound fertilizer of the present invention refers to the Common compound fertilizer produced by national standard or company standard, and wherein the percentage by weight of the effective ingredient such as nitrogen, phosphorus, potassium is: nitrogen (N) 0～40%, phosphorus (P2O5) 0～40%, potassium (K2O) 0～the two of which of 40% or two or more, be subsequently adding percentage by weight be 0～30% filler make.Described compound fertilizer is the one of which of urea-base compound fertilizer, nitro-compound fertilizer or S-based compound fertilizer.
The raw material of urea-base compound fertilizer of the present invention constitutes include in carbamide, phosphate, potassium salt, ammonium salt, sulphuric acid, liquefied ammonia and filler several or whole.
The raw material of nitro-compound fertilizer of the present invention constitutes include in ammonium nitrate, phosphate, potassium salt and filler several or whole.
The raw material of S-based compound fertilizer of the present invention constitutes include in concentrated sulphuric acid, potassium chloride, phosphate, liquefied ammonia, carbamide and filler several or whole.
The method of the Synergistic composite fertilizer of the preparation present invention is with the most commonly used granulating method, i.e. utilizes granulating method to produce equipment and the technique of chemical fertilizer, and increases metering poly-aspartate or its salt, the work step of phosphorus decomposing agent before pelletize；Poly-aspartate or its salt, phosphorus decomposing agent will join after being measured respectively by metering device and carry out pelletize in roller pelletizer, remaining all process conditions and equipment are identical with the manufacturing condition of existing granulating method production compound fertilizer and equipment.
Owing to have employed technique scheme, the technological progress that the present invention obtains is:
This products application is shown in agricultural experiment, the Synergistic composite fertilizer of the present invention can promote the crops efficient absorption to Nitrogen In Soils, phosphorus, potassium and trace element, can make increasing crop yield, can strengthen the anti-adversity ability of crops simultaneously, improve the quality of crops, improve Soil structure.
The present invention has the advantage that as follows with feature:
1, poly-aspartate or its salt have facilitation to plant absorption nutrition, phosphorus decomposing agent has the effect that minimizing phosphorus element is fixing in soil, two kinds of effects are combined by the Synergistic composite fertilizer of the present invention, under both common effects, not only promote crop to nitrogen, the absorption of potassium, and make phosphorus fully be discharged, substantially increase the crop absorption rate to phosphorus, be conducive to crop that nitrogen, phosphorus, potassium and Equilibrium of Trace Elements are absorbed, utilization rate of fertilizer can be improved comprehensively, improve the quality of crop.
2, the granulating method production technology of compound fertilizer is a kind of production technology being widely adopted; the present invention produces the method for Synergistic composite fertilizer; need not original equipment and technique are carried out big change; before comminutor, simply increase the device of dosing agent; poly-aspartate or its salt, phosphorus decomposing agent are added in comminutor; the present invention need not special installation, can directly utilize the production line of original compound fertilizer, and equipment investment is few.The present invention has widened synergist addition manner in different composite fertilizer production technology.
3, in Synergistic composite fertilizer disclosed in former patent document, the addition scope of poly-aspartate is the biggest, the present invention is the most accurate poly-aspartate or the optimum quantum of utilization of its salt, not only save poly-aspartate, and ensure that the effective ingredient of fertilizer is more fully absorbed by crop, improve the utilization rate of fertilizer.
The Synergistic composite fertilizer of the present invention is a kind of solid product, and color is identical with Common compound fertilizer, and product quality can reach state quality standard requirement.For distinguishing over Common compound fertilizer, can add different dyes, Synergistic composite fertilizer makes other color, the most yellowish, pale blue, green etc., the dyestuff of interpolation is nontoxic, pollution-free, environmental protection type dye.
Phosphorus decomposing agent of the present invention is all the material that low price, raw material are easy to get, it is also to be Common compound fertilizer as the compound fertilizer of raw material, the production cost of fertilizer will not be increased, so being a kind of Synergistic composite fertilizer easy to spread while improving utilization rate of fertilizer.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further details:
Embodiment 1
The present embodiment is the production technology of urea-base compound fertilizer, and its equipment and process are equipment and the Technologies utilizing existing production urea-base compound fertilizer.The present embodiment is one dosing pump being connected with comminutor of increase before comminutor with the difference of existing equipment, poly-aspartate and Fructus Citri Limoniae aqueous acid is joined in comminutor by dosing pump.The percentage by weight of the polyaspartic acid in aqueous medium of poly-aspartate and citric acid is 30%, and the percentage by weight of citric acid is 15%.The flow of dosing pump is 100 kgs/hour.Poly-aspartate and citric acid are mixed homogeneously with other material in comminutor, and cohere pelletize by utilizing the reaction heat of sulphuric acid and ammonia and the heat of steam offer and moisture to make material parts dissolve.Final acquisition volume of production is the potentiation urea-base compound fertilizer of 20 ton hour.Its product quality has reached quality criteria requirements after testing.
Embodiment 2
The present embodiment is the production technology of nitro-compound fertilizer, and its equipment and process are equipment and the technique utilizing existing production nitro-compound fertilizer.The present embodiment is to increase the dosing pump being connected with comminutor before comminutor with the difference of existing equipment.Joining in comminutor by the aqueous solution containing poly-aspartate 80% by dosing pump, flow is 750Kg/h；Zeolite powder is joined in comminutor by the flow of 1T/h by the flow of 2T/h, humic acid simultaneously.Above additive is mixed homogeneously in comminutor with other material; and by utilizing ammonium nitrate concentrated solution and the heat of steam offer and moisture to make solid material cohere mutually pelletize; final acquisition volume of production is the potentiation nitro-compound fertilizer of 20T/h, and its product quality has reached quality criteria requirements after testing.
Embodiment 3
The present embodiment is the production technology of S-based compound fertilizer, and its equipment is identical with the equipment of existing production S-based compound fertilizer and Technology with process, and it is two dosing pumps being connected with comminutor of increase before comminutor with the difference of existing equipment.Being that 20% aqueous solution joins comminutor by dosing pump by the percentage by weight containing poly-aspartate sodium salt, flow is 100 kgs/hour；Being proportionally added in comminutor by zeolite powder, addition is 20 kgs/hour simultaneously.Above additive is mixed homogeneously in comminutor with potassium acid sulfate, ammonium sulfate, calcium superphosphate, carbamide, MAP, and pelletize.The final potentiation S-based compound fertilizer obtaining 20 ton hour, its product quality has reached quality criteria requirements after testing.
Embodiment 4
The present embodiment is the proportioning of a kind of Synergistic composite fertilizer: include poly-aspartate or its ammonium salt, the oxalic acid of 3%, 2% tartaric acid, 94.7% nitro-compound fertilizer of parts by weight 0.3%.
Embodiment 5
The proportioning of the Synergistic composite fertilizer of the present embodiment be 0.2% poly-aspartate, the acrylic acid of 13%, 86.8% S-based compound fertilizer.
Embodiment 6
The present embodiment is the proportioning of a kind of Synergistic composite fertilizer: include poly-aspartate or its potassium salt, the humic acid of 15%, 5% tartaric acid, 76% urea-base compound fertilizer of parts by weight 4%.
Embodiment 7
The proportioning of the Synergistic composite fertilizer of the present embodiment is the calcium salt of the poly-aspartate of 3%, the acrylic acid of 0.01%, 96.99% S-based compound fertilizer.
Claims (2)
1. a Synergistic composite fertilizer, it is characterised in that: described Synergistic composite fertilizer is made up of compound fertilizer, poly-aspartate or its salt, phosphorus decomposing agent；Described phosphorus decomposing agent is one or several combination of oxalic acid, citric acid, tartaric acid, acrylic acid, zeolite powder, phosphate solubilizing bacterial manure；The weight percentage of compound fertilizer, poly-aspartate or its salt, phosphorus decomposing agent be respectively compound fertilizer 86.8～94.7%, poly-aspartate or its salt 0.2～0.3%, phosphorus decomposing agent 5～13%；Described poly-aspartate is to be polymerized by L-Aspartic acid, D.L-aspartic acid monomer, and polyaspartic acid salts is the sodium salt of poly-aspartate, potassium salt, ammonium salt, zinc salt, magnesium salt, calcium salt or its salt-mixture；Poly-sky
The molecular weight of winter propylhomoserin or its salt is between 2500 to 8000；
Described compound fertilizer refers to urea-base compound fertilizer, nitro-compound fertilizer or the S-based compound fertilizer produced by national standard or company standard；The percentage by weight of its effective ingredient is N0～40%, P2O50～40%, K2O0～40%,
The percetage by weight of its filler is 0～30%.
2.
The preparation method of a kind of Synergistic composite fertilizer described in claim 1, including the technique utilizing granulating method to produce compound fertilizer, it is characterised in that: utilize compound fertilizer producing equipment and technique, before comminutor, increase by one
The dosing pump being connected with comminutor above, adds in comminutor after metering by poly-aspartate or its salt, phosphorus decomposing agent two class solid matter or its aqueous solution, utilizes chemical reaction heat and the heat of steam offer and moisture to make its bonded pelleting.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106866242A (en) * | 2017-02-24 | 2017-06-20 | 贵州诺威施生物工程有限公司 | A kind of fertilizer synergist, enhanced fertilizer and preparation method thereof |
| CN112028690A (en) * | 2020-09-11 | 2020-12-04 | 史丹利农业集团股份有限公司 | Slow-release synergistic phosphate fertilizer and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289345A (en) * | 2008-06-18 | 2008-10-22 | 石家庄开发区德赛化工有限公司 | Synergistic composite fertilizer and method for preparing same |
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- 2015-06-16 CN CN201510330304.9A patent/CN106316542A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289345A (en) * | 2008-06-18 | 2008-10-22 | 石家庄开发区德赛化工有限公司 | Synergistic composite fertilizer and method for preparing same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106866242A (en) * | 2017-02-24 | 2017-06-20 | 贵州诺威施生物工程有限公司 | A kind of fertilizer synergist, enhanced fertilizer and preparation method thereof |
| CN112028690A (en) * | 2020-09-11 | 2020-12-04 | 史丹利农业集团股份有限公司 | Slow-release synergistic phosphate fertilizer and preparation method and application thereof |
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