CN102992895B - Powdery multi-element fertilizer anti-hardening additive and application thereof - Google Patents
Powdery multi-element fertilizer anti-hardening additive and application thereof Download PDFInfo
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Abstract
The invention relates to a powdery multi-element fertilizer anti-hardening additive and an application thereof. The additive contains the following components in percentage by weight: 10-90% of citric acid or citrate and 10-90% of span, and the adding amount of the additive accounts for 0.2-5% of the total weight of a fertilizer. By mixing and adding the additive disclosed by the invention into the powdery multi-element fertilizer, the recrystallization or the bridging strength of the powdery multi-element fertilizer is reduced, the adhesion strength in a powdery multi-element fertilizer system is reduced, the hardening of the fertilizer can be avoided, and the purpose of preventing the hardening of the fertilizer is further achieved; furthermore, the actual production is simple and easy to operate, and the additive only needs to be added into the powdery multi-element fertilizer for uniform mixing and production; and simultaneously, the additive has the advantages of convenience in application, easiness in dissolution, high dissolution speed, capability of being stored for a long time without hardening, good flowability of the fertilizer, appropriate price, no harm to crops, environmental friendliness, no pollution, low production cost and the like, and can greatly promote the popularization of an integrated technology of spray irrigation, drip irrigation, application and the like of the water fertilizer in China.
Description
Technical field
The present invention relates to a kind of multi-element fertilizer and produce additive, relate in particular to a kind of powdery multi-element fertilizer anti-compaction additive.
Background technology
Liquid manure one fertigation technology is because being improved utilization rate of fertilizer, and can carry out the many advantages such as mechanize, mass-producing, low-cost agriculture production, in the agriculture developed countries such as Israel, the U.S., is widely used.Use the main using liquid fertilizer of fertilizer or the rapidly dissolvable powdery multi-element fertilizer of liquid manure one body technique.Even if liquid fertilizer can be realized mechanization production transportation, but not enough or need the place of long distance transportation for ducts, transport condition flexibly rapidly dissolvable powdery multi-element fertilizer just has obvious advantage more.
Powdery multi-element fertilizer refers to containing the powdery of the big-and-middle trace elements such as two kinds or above nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, zinc, copper, iron, manganese, cobalt, boron or fertilizer material after crushed.It is fast that powdery multi-element fertilizer has dissolving, and formula is flexible, than being easier to Tree Precise Fertilization, and the advantage that fertilizer efficiency is good, and be different from granular compound fertilizer, do not need to carry out secondary granulation and process, so low processing cost.Yet because cannot solve the problem that hardens of powdery multi-element fertilizer, fertilizer hardens, while using, dissolve, the accurate inconvenience such as component, greatly limited the large-scale popularization of this fertilizer.
In prior art, be generally that secondary package is carried out in application rigid package, and in the process of storing, employing multilayer push away the problem that hardens of putting to alleviate transportation, storing fertilizer.The method that some enterprise reclaims after adopting regularly solves and hardens into lump problem.But these methods all can cause cost to increase greatly.Also there is Some Enterprises to adopt stearylamine that consumption is 2%～5%, sodium laurylsulfonate etc. as anti-hard caking agent, add in fertilizer, although this way can play certain preventing blocking effect, after fertilizer dissolves, residual pollution is not easy degraded, result or cost is high, weak effect.
In view of this, be really necessary to provide a kind of and can solve the harden powdery multi-element fertilizer additive of problem of fertilizer.
By research, find, fertilizer hardens main by putting up a bridge or recrystallization, and affects fertilizer and harden and mainly contain following five factors: 1, moisture; 2, pressure; 3, fine powder order number; 4, urea powder crystal body or ammonium nitrate crystal content size; 5, the temperature difference.
Powder multi-element fertilizer is because the particle diameter of self is smaller, and the problem therefore hardening is more serious.
And in the factor that above-mentioned five impacts are hardened, as long as greatly reduce moisture or pressure wherein, fertilizer just can be avoided occurring hardening well.Yet in actually operating, due to the existence of system own wt, fertilizer is extruding mutually inevitably, and fertilizer need to be pressed bag to stack and will inevitably be produced pressure when storing in addition, therefore, by reduction pressure, solve the problem that hardens unworkable.
Summary of the invention
The object of this invention is to provide and a kind ofly can effectively solve the harden additive of problem of powdery multi-element fertilizer.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A powdery multi-element fertilizer anti-compaction additive, contains weight percent and is 10～90% citric acid or Citrate trianion, 10～90% sapn.
Citric acid in binder component also has the effect of complexing trace element, and additive is easily dissolved.
The sapn of using in binder component is a kind of commercially available tensio-active agent, and medicine another name is sorbitan fatty acid ester.
It is 20～50% citric acid or Citrate trianion, 50～80% sapn that additive described above contains weight percent.
Citrate trianion described above is one or more of Trisodium Citrate, ammonium citrate, Tripotassium Citrate, citrate of lime, magnesium citrate, zinc citrate, ironic citrate, Cuprocitrol, manganese citrate.
The addition of additive described above accounts for 0.2～5% of fertilizer gross weight.
The addition of additive described above accounts for 0.3～1.5% of fertilizer gross weight.
Beneficial effect of the present invention is:
Additive is mixed and added in powdery multi-element fertilizer, utilize two large class components in additive to realize recrystallization or the bridging intensity that reduces powdery multi-element fertilizer, make the adhesion strength decreased in powdery multi-element fertilizer system, fertilizer knot does not become lump, reaches the object that prevents that fertilizer from hardening.
During actual production, only need additive to add in powdery multi-element fertilizer and together mix, simple, use conveniently, soluble, dissolve soon, can long-term storage not harden into lump, the good fluidity of fertilizer, price is suitable, harmless to crop, environment friendly and pollution-free, low production cost, can greatly promote the liquid manure sprinkling irrigation of penetration and promotion China, drip irrigation, punching one body technique such as to execute.
Embodiment
Embodiment 1
The citric acid that additive contains weight percent 10%, 90% sapn.The addition of additive accounts for 0.2% of fertilizer gross weight.Additive is added in powdery multi-element fertilizer, and product does not harden, and during Term Fertilization, through dilution, binder component can dissolve completely.
Embodiment 2
The zinc citrate that additive contains weight percent 90%, 10% sapn.The addition of additive accounts for 3% of fertilizer gross weight.Additive is added in powdery multi-element fertilizer, and product does not harden, and during Term Fertilization, through dilution, binder component can dissolve completely.
Embodiment 3
The zinc citrate that additive contains weight percent 50%, 50% sapn.The addition of additive accounts for 1% of fertilizer gross weight.Additive is added in powdery multi-element fertilizer, and product does not harden, and during Term Fertilization, through dilution, binder component can dissolve completely.
Embodiment 4
The Trisodium Citrate that additive contains weight percent 20%, 80% sapn.It is 2% that additive is respectively addition in 30%, 10%, 10% high nitrogen powder multi-element fertilizer at nitrogen phosphorus potassium percentage composition, the addition that is additive accounts for 2% of fertilizer gross weight, additive is added in powdery multi-element fertilizer, product does not harden, during Term Fertilization, through dilution, binder component can dissolve completely.
Embodiment 5
The ammonium citrate that additive contains weight percent 80%, 20% sapn.It is 1% that additive is respectively addition in 15%, 10%, 30% high nitrogen powder multi-element fertilizer at nitrogen phosphorus potassium percentage composition, and the addition of additive accounts for 1% of fertilizer gross weight.Additive is added in powdery multi-element fertilizer, and product does not harden, and during Term Fertilization, through dilution, binder component can dissolve completely.
Six kinds of Citrate trianions such as Tripotassium Citrate, citrate of lime, magnesium citrate, ironic citrate, Cuprocitrol, manganese citrate and zinc citrate, ammonium citrate, three kinds of Citrate trianions of Trisodium Citrate are being similar in nature, and the technique effect obtaining roughly the same.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change and revise above-mentioned embodiment.Therefore, the present invention is not limited to embodiment disclosed and described above, to modifications and changes more of the present invention, also should fall in the protection domain of claim of the present invention.In addition,, although used some particular term in this specification sheets, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (4)
1. a powdery multi-element fertilizer anti-compaction additive, is characterized in that: the citric acid that is 20～50% by weight percent or Citrate trianion and 50～80% sapn form.
2. a kind of powdery multi-element fertilizer anti-compaction additive according to claim 1, is characterized in that: described Citrate trianion is one or more of Trisodium Citrate, ammonium citrate, Tripotassium Citrate, citrate of lime, magnesium citrate, zinc citrate, ironic citrate, Cuprocitrol, manganese citrate.
3. the application of a kind of powdery multi-element fertilizer anti-compaction additive according to claim 1, is characterized in that: the addition of described additive accounts for 0.2～5% of fertilizer gross weight.
4. the application of a kind of powdery multi-element fertilizer anti-compaction additive according to claim 3, is characterized in that: the addition of described additive accounts for 0.3～1.5% of fertilizer gross weight.
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| CN104230397B (en) * | 2014-09-13 | 2016-08-24 | 南宁惠旺尔农化有限公司 | Organic multiple calcium complex fertilizer additive and its preparation method and application |
| CN105924273A (en) * | 2016-04-25 | 2016-09-07 | 广德县种植业管理局 | Special fertilizer for close plantation of celery, and preparation method thereof |
| CN105924276A (en) * | 2016-04-26 | 2016-09-07 | 广德县启正农产品专业合作社 | Special fertilizer for Cedrela sinensis, and preparation method thereof |
| CN106242804A (en) * | 2016-08-17 | 2016-12-21 | 湖北富邦科技股份有限公司 | The pigment type colour oily fertilizer anti-caking agent of high temperature resistant plant |
| CN107473832A (en) * | 2017-08-31 | 2017-12-15 | 安徽益丰生态农业开发有限公司 | A kind of additive used during greenhouse gardening cucumber intertillage |
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Effective date of registration: 20181119 Address after: 31st and 30th Floors, United Headquarters Building, 63 Xuefu Road, Nanshan High-tech Park, Shenzhen, Guangdong 518000 Co-patentee after: Guigang Batian Ecology Co.,Ltd. Patentee after: Batian Ecological Engineering Co., Ltd., Shenzhen Address before: 518105 Jiangbian Third Industrial Zone, Songgang Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: Batian Ecological Engineering Co., Ltd., Shenzhen |