CN100361940C - Spray-assistant drip irrigation bolt head cleaning-type concentrated fertilizer and preparation method thereof - Google Patents
Spray-assistant drip irrigation bolt head cleaning-type concentrated fertilizer and preparation method thereof Download PDFInfo
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- CN100361940C CN100361940C CNB2006100696916A CN200610069691A CN100361940C CN 100361940 C CN100361940 C CN 100361940C CN B2006100696916 A CNB2006100696916 A CN B2006100696916A CN 200610069691 A CN200610069691 A CN 200610069691A CN 100361940 C CN100361940 C CN 100361940C
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Abstract
This invention relates to a concentrated fertilizer in aid of sprinkler irrigation bolt head cleaning, belonging to the chemical fertilizer field. The fertilizer includes (from each 1000 parts) solid short chain ammonium low polyphosphate (3<n<=18) 230 parts, water 400 parts, 85% industrial phosphoric acid 220 parts, calcium nitrate 50 parts, and potassium nitrate 100 parts. The manufacture method for the fertilizer comprises: 1) diluting industrial phosphoric acid, adding calcium nitrate and heat-dissolving, and adding potassium nitrate, and 2) dissolving the solid short chain ammonium low polyphosphate in the remaining water and adding it to the solution obtained from step 1, and stirring to obtain the final product. The fertilizer can automatically clean sprinkler irrigation bolt head to prevent plugging caused by incrustation, fertilizers, sediment and other salts, guarantee super-efficient concentration of fertilizer when watering and fertilizing at the same time, and promote agricultural income. The fertilizer is used in sprinkler irrigation fertilization.
Description
Technical field:
The present invention relates to a kind of spray drip irrigation concentrated fertilizer and production method thereof.
Background technology:
Along with the emergence of conservation-minded society's construction and precision agriculture, the spray drip irrigation is irrigate technology penetration and promotion in China, covers multiple planting system and various crop.Particularly at northwest arid area, irrigation under film is about to become a kind of conventional well stimulation.Popularizing area increases considerably year after year.Follow the spray drip irrigation to irrigate the development of technology, fertilizer practice is reform accordingly also, spray is dripped the micro irrigation fertilizer spreading technology and is entered the field of fertilizer practice research, and industries such as scientific research, enterprise, technology popularization are developed a series of fertilizer that match with slight irrigation, have brought into play due effect in the agriculture production.Spray drip irrigation and micro irrigation technology are economized fertile with water saving, saving of work and time, and increase yield significantly is accepted by the numerous producers, and economic benefit and social ecological benefits are remarkable.Because Chinese region is wide, interregional ecotype complexity, no matter be existing micro irrigation fertilizer spreading technology or single spray drip irrigation technique, the bolt head that is prone in the popularization in various degree stops up, influence spray drip irrigation and fertilization effect reduce service life of equipment.
The susceptible to plugging reason of spray drip irrigation bolt head, except that impurity such as water source dirt, the calcium carbonate and magnesium carbonate class, the hydrate of elements such as iron, phosphorus in the fertilizer etc. generate new compound with middle trace element, dissolve halfway fertilizer residue etc., and these all are the immediate causes that causes the spray drip irrigation bolt head to stop up.Solve at present the way that the spray drip irrigation bolt head stops up and mainly contain three kinds, the one, select the water source of cleaning for use, prevent that dirt from stopping up; The 2nd, the clear water cleaning promptly after stopping to chase after fertilizer, continues to irritate clear water 5 minutes, removes the residual fertilizer of spray drip irrigation bolt head, prevents that it is in crystallization of bolt head or deposition; The 3rd, nitric acid, perchloric acid, sulfuric acid are generally used in pickling, clean the bolt head when PH transfers to 5.5-6.0.In these three kinds of ways, preceding two kinds of effects are to solve root problem, the third way cost height, and the technological operation complexity has unsafe factor in applying, and easily causes environmental pollution.
Summary of the invention:
Practical problems at above-mentioned prior art existence, the invention provides a kind of spray-assistant drip irrigation bolt head cleaning-type concentrated fertilizer, this fertilizer can help to clean automatically the spray drip irrigation bolt head, prevent incrustation scale, fertilizer sediment and other salt plugging bolt heads, assurance is watered and is applied fertilizer and normally carries out required hyperconcentration concentrated fertilizer simultaneously, promotes to get agricultural profit.The invention still further relates to its production method.
Technical scheme of the present invention is, the automatic cleaning-type concentrated fertilizer of spray-assistant drip irrigation bolt head, it is characterized in that, there is the following weight proportion raw material formulated, in per 1000 parts, 3＜n≤18 230 parts of solid short chain ammonium low polyphosphates, 400 parts in water, 220 parts of 85% industrial phosphoric acids, 50 parts in nitrocalcite, 100 parts in saltpetre.
The ammonium low polyphosphate raw material resiliency of selecting for use is strong, and micro-metals is effective in complexing, the chelating, has the function that fertilizer and complexing agent have both.
The production method of fertilizer of the present invention is:
1), 85% industrial phosphoric acid is converted water dilution in proportion, converting the water yield is 3/8 of Total Water, in diluent, add the nitrocalcite heating for dissolving after, add the saltpetre dissolving again;
2), the solid short chain ammonium low polyphosphate of 3＜n≤18 is dissolved in all the other water, the dissolving back adds in the solution of the step 1) for preparing, and stirs and get final product.
In the preceding method, described solid short chain ammonium low polyphosphate by 85% industrial phosphoric acid and urea by weight 0.4: 1 in polymeric kettle, add by weight that raw material weighs 0.5% Vegetable oil lipoprotein froth breaking in the relative polymeric kettle, through heating 170 ℃-180 ℃, polymerization 20 minutes, being cooled to 40 ℃ and making.
Beneficial effect of the present invention:
1, use complexing, chelating technology principle, but insoluble chemical compound such as complexing Ca, Mg and Fe after the ammonium low polyphosphate raw material of selecting for use the processing disappears some insolublies that easily result in blockage precipitations.Product of the present invention has complexing and chelating incrustation scale and hydrate metal ion function, impels the tamper dissolving, guarantees that the bolt head is unimpeded.The water quality hardenability is required not strict, enlarged the range of application of product of the present invention.
2, the adding of oligomeric ammonium polyphosphate (3＜n≤18) raw material among the present invention, energy buffered soln potential of hydrogen, avoid fertilizer damage to take place, and multiple metallic cations such as energy complexing or chelating Ca, Mg and Fe zinc, the carrier of trace element in both having can be used as, can activate the trace element in the soil again, it is absorbed by crop.If the ammonium polyphosphate polymerization degree is poor less than the resiliency complexing of 3 raw materials, if greater than 18, raw material is insoluble in water.
3, nutrient content height is supplied with the crop full nutrition, also can supply with the moderate-element calcium magnesium of stable performance etc., does not have precipitation, does not have flocculation, and can remove the precipitation that produces in the drip irrigation system automatically, guarantees that pipeline and bolt head are unimpeded.
4, movability is strong in soil for oligomeric ammonium polyphosphate (3＜n≤18), can progressively be hydrolyzed into phosphate anion by plant absorbing, is a kind of slow-releasing phosphate fertilizer, has guaranteed the high absorption rate of phosphatic manure.
5, the fertilizer efficiency of product is stable, and is effective.Compare with original solid fertilizer, dissolving is easy to operate fully, can carry out quantitative fertilization more accurately.Fertilizer efficiency is fast, is applicable to multiple ecotype district and various crop.
6, product Thermodynamically stable.Non-crystallizable in the time of-8 ℃, do not flocculate, do not precipitate.Non-volatile in the time of more than 40 ℃, stable performance.
7, product degree of enrichment height is saved cost of warehousing transportation.Compare with the sprinkling irrigation fertilizer that drips of routine, product nitrogen, phosphorus, potassium total content that the present invention produces generally reach 35%--45%, specific demand, can adjust the oligomeric ammonium polyphosphate polymerization degree, nitrogen, phosphorus, potassium total amount are assigned to more than 50%, and middle micronutrient levels such as calcium, magnesium, iron, zinc, copper, molybdenum, manganese, boron exceeds 5-10 times of common spray drip irrigation fertilizer.
8, easy to use, safe, environmentally friendly.
This invention product resiliency is strong, and the complexing height with Ca, Mg and Fe zinc network in the water with do not produce precipitation, requires not strictly to the potential of hydrogen at soil and water source, can be widely used in various farm crop, vegetables, fruit, flowers and artificially sown pastures, and industrialization prospect is wide.
Embodiment:
At first, with 85% industrial phosphoric acid of purchasing and the industrial urea of purchasing, added in the polymeric kettle in 0.4: 1 by weight proportion, add by weight again that raw material weighs 0.5% Vegetable oil lipoprotein froth breaking in the relative polymeric kettle, be heated to 170 ℃-180 ℃, polymerization 20 minutes, be cooled to then about 40 ℃, obtain the mixture of the solid short chain ammonium low polyphosphate of 3＜n≤18, this mixture nutrient content: nitrogen content 20%, phosphorus pentoxide content 52%.
Then, in per 1000 parts of weight proportion, 230 parts of the solid short chain ammonium low polyphosphates of 3＜n≤18,400 parts in water, 220 parts of 85% industrial phosphoric acids, 50 parts in nitrocalcite, 100 parts in saltpetre are prepared fertilizer of the present invention.
Step 1), 220 parts of 85% industrial phosphoric acids are converted 150 parts of dilutions of water, add 50 parts of heating for dissolving of nitrocalcite after, add 100 parts of saltpetre dissolvings again;
Step 2), solid oligomeric (3＜n≤18) ammonium polyphosphate is dissolved in 250 parts of water for 230 parts, the dissolving back adds in the step 1) solution for preparing, and stirs, the automatic cleaning-type concentrated fertilizer of spray-assistant drip irrigation bolt head of the present invention.
The product for preparing by above-mentioned steps contains N 6.5, P
2O
525, K
2O 4.5, total content 36.0%.
The automatic cleaning-type concentrated fertilizer of spray-assistant drip irrigation bolt head according to the foregoing description makes has following characteristics through verification experimental verification:
1, Fa Ming product complexing, chelating is strong, and physico-chemical property is stable.At first be strong to the PH resiliency of irrigation water, the PH of irrigation water is between 6.5-7.8, and product performance are stable; But require not strict to the water quality hardenability.The irrigation water hardenability is between 0.05g/l-1.0g/l, and product complexing, chelating ability are stablized; The 3rd, but trace element in the calcium magnesium of activated water etc. waters the middle Ga that pours water
2+, Mg
2+, Fe
3+, Fe
2+, Zn
2+Meet product and do not produce precipitation.
2, product is unconventional concentrates the nutrient content height.Compare with the sprinkling irrigation fertilizer that drips of routine, nitrogen, phosphorus, potassium total content can be assigned to 35%--45%, specific demand can be adjusted the raw material weight ratio, nitrogen, phosphorus, potassium total amount are assigned to more than 50%, and middle micronutrient levels such as calcium, magnesium, iron, zinc, copper, molybdenum, manganese, boron exceeds 5-10 times of common spray drip irrigation fertilizer.
3, product Thermodynamically stable.Non-crystallizable in the time of-8 ℃, do not flocculate, do not precipitate.Non-volatile in the time of more than 40 ℃, stable performance.
4, fertilizer efficiency is fast, is applicable to multiple ecotype and various crop.
5, easy to use, safe, environmentally friendly.
Claims (3)
1. spray-assistant drip irrigation bolt head cleaning-type concentrated fertilizer, it is characterized in that, there is the following weight proportion raw material formulated, contains 230 parts of the solid short chain ammonium low polyphosphates of 3＜n≤18,400 parts in water, 220 parts of 85% industrial phosphoric acids, 50 parts in nitrocalcite, 100 parts in saltpetre in per 1000 parts.
2. prepare the method for the described fertilizer of claim 1, it is characterized in that, step is:
1), 85% industrial phosphoric acid is converted water dilution, converting the water yield is 3/8 of Total Water, in diluent, add the nitrocalcite heating for dissolving after, add the saltpetre dissolving again;
2), solid short chain ammonium low polyphosphate is dissolved in all the other water, the dissolving back adds in the solution of the step 1) for preparing, and stirs and get final product.
3. method according to claim 2, it is characterized in that, described solid short chain ammonium low polyphosphate by 85% industrial phosphoric acid and urea by weight 0.4: 1 in polymeric kettle, the Vegetable oil lipoprotein froth breaking that adds raw material 0.5% in the relative polymeric kettle by weight is through heating 170 ℃-180 ℃, polymerization 20 minutes, being cooled to 40 ℃ and making.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100696916A CN100361940C (en) | 2006-08-11 | 2006-08-11 | Spray-assistant drip irrigation bolt head cleaning-type concentrated fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100696916A CN100361940C (en) | 2006-08-11 | 2006-08-11 | Spray-assistant drip irrigation bolt head cleaning-type concentrated fertilizer and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1907921A CN1907921A (en) | 2007-02-07 |
| CN100361940C true CN100361940C (en) | 2008-01-16 |
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| CNB2006100696916A Expired - Fee Related CN100361940C (en) | 2006-08-11 | 2006-08-11 | Spray-assistant drip irrigation bolt head cleaning-type concentrated fertilizer and preparation method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718588B (en) * | 2012-05-31 | 2014-08-13 | 深圳市芭田生态工程股份有限公司 | Compound fertilizer produced by tubular reaction and method for preparing compound fertilizer |
| CN104496608A (en) * | 2014-12-29 | 2015-04-08 | 深圳市芭田生态工程股份有限公司 | Ammonium polyphosphate chelate fertilizer as well as preparation method and application thereof |
| CN108191491A (en) * | 2018-01-31 | 2018-06-22 | 河南博联农业研究院有限公司 | A kind of water soluble fertilizer of a great number of elements and preparation method thereof |
| CN108117460A (en) * | 2018-01-31 | 2018-06-05 | 河南博联农业研究院有限公司 | A kind of water soluble fertilizer for synergy of losing weight and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266037A (en) * | 1999-12-23 | 2000-09-13 | 胡光霞 | Foliage fertilizer |
| CN1467182A (en) * | 2002-07-10 | 2004-01-14 | 上海化工研究院 | Multielement foliage fertilizer |
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2006
- 2006-08-11 CN CNB2006100696916A patent/CN100361940C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266037A (en) * | 1999-12-23 | 2000-09-13 | 胡光霞 | Foliage fertilizer |
| CN1467182A (en) * | 2002-07-10 | 2004-01-14 | 上海化工研究院 | Multielement foliage fertilizer |
Non-Patent Citations (1)
| Title |
|---|
| 聚磷酸铵合成技术和应用进展. 梁诚.塑料科技，第2期. 2005 * |
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| CN1907921A (en) | 2007-02-07 |
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