CN102731194A - Liquid organic boron-zinc water-soluble fertilizer and preparation method thereof - Google Patents
Liquid organic boron-zinc water-soluble fertilizer and preparation method thereof Download PDFInfo
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- CN102731194A CN102731194A CN2012102434970A CN201210243497A CN102731194A CN 102731194 A CN102731194 A CN 102731194A CN 2012102434970 A CN2012102434970 A CN 2012102434970A CN 201210243497 A CN201210243497 A CN 201210243497A CN 102731194 A CN102731194 A CN 102731194A
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- zinc
- water
- boron
- soluble fertilizer
- boric acid
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Abstract
The invention discloses a liquid organic boron-zinc water-soluble fertilizer, which is characterized in that the liquid fertilizer is prepared by dissolving zinc sulfates into triethanolamine; carrying out esterification on the obtained product and a boric acid so as to obtain reaction liquid, wherein the trace nutrient element content (Zn + B) is greater than or equal to 100 g/L, and the mass ratio of zinc to boron is 1:5-9, the organic matter content is greater than or equal to 120 g/L, the molar ratio of the triethanolamine to the boric acid is 1: (0. 5-3), and the viscosity is less than or equal to 800 mPa.s. The water-soluble fertilizer is applicable to soil lacking boron or/and zinc, and a yield increasing effect is significant.
Description
One, technical field
The present invention relates to a kind of chemical fertilizer and preparation method thereof, particularly polyelement composite fertilizer and preparation method thereof exactly is the organic boron zinc of a kind of liquid-type water-soluble fertilizer and preparation method thereof.
Two, background technology
As the essential micronutrient element of growth and development of plants, boron and zinc all are indispensable, but that investigation result shows China's soil zinc deficiency, boron deficiency phenomenon is very serious.The result of the overall survey of soil for the second time shows that the shortage area of China's Effective zinc accounts for 51.1% of total cultivated area, and increase trend is arranged; Nearly more than 500,000,000 mu, farmland, ground boron deficiency ratios such as Guizhou, Sichuan, Anhui, Jiangsu, Fujian, Guangxi, Jilin, Hebei, Shandong, Shanxi are all greater than 60% for the area in boron deficiency farmland.Conventional boron fertilizer is meant with borax, boric acid etc. to be master's inorganic microelement fertilizer, and is poorly soluble, utilization ratio is low, commodity is poor.Therefore develop the water-soluble boron fertilizer of high density, especially containing the zinc boron fertilizer is that the boron zinc fertilizer has very large realistic meaning.
Three, summary of the invention
The present invention is intended to develop the organic boron zinc of a kind of liquid-type water-soluble fertilizer.Technical problem to be solved is that solid boric acid, solid sulphuric acid zinc and liquid trolamine are synthesized the organic boron zinc of liquid-type water-soluble fertilizer.
So-called water-soluble fertilizer is exactly through water dissolution or dilution, is used for the liquid or solid fertilizer that purposes such as root is dipped in fertigation, leaf dressing, soilless culture, seed soaking.
Product of the present invention is the liquid fertilizer that contains micronutrient element boron and zinc, and this liquid fertilizer is that zinc sulfate is dissolved in the liquid fertilizer that obtains in the reaction solution of trolamine and acid esterification reaction, and the content of micronutrient element is in the quality>=100g/L of zinc and boron in this fertilizer; Note is made (Zn+B)>=100g/L; And the mass ratio of zinc and boron is 1:5-9, and note is made Zn:B=1:5-9, organic content>=120g/L; The mol ratio of trolamine and boric acid is 1:0.5-3, viscosity≤800mPas.
Preferred Zn:B=1:7-8, organic content>=200g/L, the mol ratio of trolamine and boric acid is 1:1-2, viscosity≤650mPas.
The preparation method of this liquid fertilizer is a raw material with trolamine, boric acid and zinc sulfate; Comprise esterification, mixing and dehydration; It is characterized in that described esterification is that trolamine and the boric acid of proportional quantity is under agitation in 80-150 ℃, rotating speed 300-800r/min reaction 1.5-4 hour; Described mixing is that the zinc sulfate that before esterification or in esterification reaction process or after reaction finishes, adds proportional quantity mixes; Described dehydration is meant sloughs the water that reaction generates, and makes the viscosity≤800mPas of system.
Preferred esterification reaction temperature 100-130 ℃, mixing speed 500-600r/min, reaction 2-3 hour.
Following esterification takes place in trolamine and boric acid:
H
3BO
3+N(CH
2CH
2OH)
3→N(CH
2CH
2O)
3B+3H
2O；
2H
3BO
3+N(CH
2CH
2OH)
3→N{CH
2CH
2OB(OH)
2}
2CH
2CH
2OH+2H
2O；
3H
3BO
3+N(CH
2CH
2OH)
3→N{CH
2CH
2OB(OH)
2}
3+3H
2O。
Be to promote carrying out smoothly of esterification, the polycondensation generation that prevents to have trolamine and the boric acid of trihydroxy-structure is insoluble in the high polymer of water.Therefore, need control material proportion, temperature of reaction, reaction times and stirring velocity.
Research shows, N (CH in the reaction solution
2CH
2O)
3B is a principal product, and zinc sulfate both had been dissolved in the aqueous reaction solution, be dissolved in again in the moisture less or water-free reaction solution, but if moisture big uses of system viscosity inconvenience then very little.This liquid fertilizer outward appearance is the heavy-gravity homogeneous phase, viscosity 550-650mPas, and good fluidity is conveniently converted the water dilution and is sprayed.
Boron and zinc are essential in this water-soluble fertilizer; Its mass ratio can be adjusted in above-mentioned given range according to the principle of soil testing and fertilizer recommendation and the particular case of Different Crop demand; Such as if in the soil boron abundant then can to select Zn:B be 1:5, then can to select Zn:B be 1:9 if boron wanes in the soil.
With the rape is example, foliage-spray.Convert 500 ~ 800 times of water dilutions during use, mu sprays in the back side last, middle part blade, particularly blade with about diluent 50kg, during setting seeds, sprays 2-3 time blooming, and on average stimulation ratio is about 10%.Spray in back 5 hours and rain, then should mend and execute as if meeting.
Four, embodiment
1, raw material is prepared
Trolamine (N (CH
2CH
2OH)
3), boric acid (H
3BO
3), zinc sulfate (ZnSO
47H
2O).
2, preparation process
(1) mol ratio according to trolamine and boric acid is 1:2,, the mass ratio of zinc sulfate and boric acid (in Zn:B) is 1:7, takes by weighing boric acid 61.8g, trolamine 74.6g, zinc sulfate 6.3g, in reactor drum.
(2) control reaction temperature is 130 ℃, and mixing speed is 560r/min, and the reaction times is 3h.
(3) negative pressure is dewatered to viscosity 600mPas.
(4) reaction product is the organic boron zinc of liquid-type water-soluble fertilizer, and its physical and chemical index is: organic content is 300g/L, and micronutrient element (B+Zn) content is 130g/L, and viscosity is 600mPas.
Method by the People's Republic of China's agricultural industry criteria: NY/1976-2010 " water-soluble fertilizer: the mensuration of organic content " regulation is measured organic content.
Method by the People's Republic of China's agricultural industry criteria: NY/1974-2010 " water-soluble fertilizer: copper, iron, manganese, zinc, boron, molybdenum Determination on content " regulation is measured Zn and B.Its Zn adopts " atomic absorption spectrophotometry "; B adopts " azomethine-H acid spectrophotometry ".
It is that the digital viscometer of NDJ-5S is measured that viscosity adopts Shanghai fine fodder balance ltd model.
Claims (7)
1. the organic boron zinc of liquid-type water-soluble fertilizer; It is characterized in that: this liquid fertilizer is that zinc sulfate is dissolved in the liquid fertilizer that obtains in the reaction solution of trolamine and acid esterification reaction; The content of micronutrient element (Zn+B)>=100g/L, and the mass ratio of zinc and boron is 1:5-9, organic content>=120g/L; The mol ratio of trolamine and boric acid is 1:0.5-3, viscosity≤800mPas.
2. water-soluble fertilizer according to claim 1 is characterized in that: the mass ratio of micronutrient element zinc and boron is 1:7-8.
3. water-soluble fertilizer according to claim 1 and 2 is characterized in that: organic content >=200g/L.
4. water-soluble fertilizer according to claim 3 is characterized in that: the mol ratio of trolamine and boric acid is 1:1-2.
5. according to claim 1 or 4 described water-soluble fertilizers, it is characterized in that: viscosity≤650mPas.
6. the preparation method of the organic boron zinc of liquid-type as claimed in claim 1 water-soluble fertilizer; With trolamine, boric acid and zinc sulfate is raw material; Comprise esterification, mixing and dehydration; It is characterized in that: described esterification is reaction 1.5-4 hour under 80-150 ℃, rotating speed 300-800r/min condition under agitation of trolamine and boric acid, and described mixing is to add zinc sulfate before or after esterification or in the reaction process to mix.
7. preparation method according to claim 6 is characterized in that: esterification reaction temperature 100-130 ℃, mixing speed 500-600r/min, reaction 2-3 hour.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210243497.0A CN102731194B (en) | 2012-07-13 | 2012-07-13 | Liquid organic boron-zinc water-soluble fertilizer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210243497.0A CN102731194B (en) | 2012-07-13 | 2012-07-13 | Liquid organic boron-zinc water-soluble fertilizer and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102731194A true CN102731194A (en) | 2012-10-17 |
| CN102731194B CN102731194B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210243497.0A Expired - Fee Related CN102731194B (en) | 2012-07-13 | 2012-07-13 | Liquid organic boron-zinc water-soluble fertilizer and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351004A (en) * | 2013-06-19 | 2013-10-16 | 安徽省农望农业科技开发有限公司 | Monohydrate sodium zinc decaborate and preparation method therefor |
| CN104892307A (en) * | 2015-05-19 | 2015-09-09 | 潍坊友容实业有限公司 | A high-glutamic acid fertilizer for saline-alkali land and applications thereof in plantation of candleberry |
| CN115784791A (en) * | 2022-12-09 | 2023-03-14 | 四川国光农化股份有限公司 | Boron-zinc suspension liquid fertilizer and preparation method and application thereof |
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|---|---|---|---|---|
| US20040031303A1 (en) * | 2002-08-07 | 2004-02-19 | Whitehurst Garnett B. | Volatility-inhibited urea fertilizers |
| CN1569765A (en) * | 2004-05-10 | 2005-01-26 | 韩中文 | High concentration organic boric fertilizer |
| CN101993258A (en) * | 2009-08-27 | 2011-03-30 | 张小川 | Quick-acting organic liquid-molybdenum-boron fertilizer and preparation method thereof |
| CN102432383A (en) * | 2011-09-22 | 2012-05-02 | 陕西鼎天济农腐殖酸制品有限公司 | Humic acid organic boron fertilizer and production method thereof |
-
2012
- 2012-07-13 CN CN201210243497.0A patent/CN102731194B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040031303A1 (en) * | 2002-08-07 | 2004-02-19 | Whitehurst Garnett B. | Volatility-inhibited urea fertilizers |
| CN1569765A (en) * | 2004-05-10 | 2005-01-26 | 韩中文 | High concentration organic boric fertilizer |
| CN101993258A (en) * | 2009-08-27 | 2011-03-30 | 张小川 | Quick-acting organic liquid-molybdenum-boron fertilizer and preparation method thereof |
| CN102432383A (en) * | 2011-09-22 | 2012-05-02 | 陕西鼎天济农腐殖酸制品有限公司 | Humic acid organic boron fertilizer and production method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351004A (en) * | 2013-06-19 | 2013-10-16 | 安徽省农望农业科技开发有限公司 | Monohydrate sodium zinc decaborate and preparation method therefor |
| CN104892307A (en) * | 2015-05-19 | 2015-09-09 | 潍坊友容实业有限公司 | A high-glutamic acid fertilizer for saline-alkali land and applications thereof in plantation of candleberry |
| CN115784791A (en) * | 2022-12-09 | 2023-03-14 | 四川国光农化股份有限公司 | Boron-zinc suspension liquid fertilizer and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN102731194B (en) | 2014-07-09 |
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