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Liquid organic boron-zinc water-soluble fertilizer and preparation method thereof

A liquid-type, water-soluble technology, applied in the direction of fertilizer mixture, fertilization device, application, etc., can solve the problems of poor commodity, poor solubility, low utilization rate, etc.

Active Publication Date: 2012-10-17
HEFEI LVNONG FERTILIZER IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional boron fertilizers refer to inorganic trace element fertilizers mainly composed of borax and boric acid, which have poor solubility, low utilization rate, and poor commerciality.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] 1. Raw material preparation

[0018] Triethanolamine (N(CH 2 CH 2 Oh) 3 ), boric acid (H 3 BO 3 ), zinc sulfate (ZnSO 4 ·7H 2 O).

[0019] 2. Preparation process

[0020] (1) According to the molar ratio of triethanolamine to boric acid is 1:2, and the mass ratio of zinc sulfate to boric acid (calculated as Zn:B) is 1:7, weigh 61.8g of boric acid, 74.6g of triethanolamine, and 6.3g of zinc sulfate. g, as in the reactor.

[0021] (2) Control the reaction temperature to 130°C, the stirring speed to 560r / min, and the reaction time to 3h.

[0022] (3) Negative pressure dehydration to a viscosity of 600mPa·s.

[0023] (4) The reaction product is a liquid organic boron-zinc water-soluble fertilizer. Its physical and chemical indicators are: the organic matter content is 300g / L, the micronutrient element (B+Zn) content is 130g / L, and the viscosity is 600mPa·s.

[0024] The organic matter content was determined according to the method stipulated in the Agricultural I...

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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

1. Technical field [0001] The invention relates to a chemical fertilizer and a preparation method thereof, in particular to a multi-element compound fertilizer and a preparation method thereof, specifically a liquid organic boron-zinc water-soluble fertilizer and a preparation method thereof. 2. Background technology [0002] As micronutrient elements necessary for plant growth and development, both boron and zinc are indispensable, but the survey results show that the phenomenon of zinc and boron deficiency in soil in our country is very serious. The results of the second soil census show that the deficient area of ​​available zinc in my country accounts for 51.1% of the total cultivated land area, and there is an increasing trend; , Jilin, Hebei, Shandong, Shanxi and other places, the proportion of boron deficiency in farmland is more than 60%. Conventional boron fertilizers refer to inorganic trace element fertilizers mainly composed of borax and boric acid, which have po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
Inventor 韩效钊吴云黄晗达廖奇
Owner HEFEI LVNONG FERTILIZER IND