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Method for preparing liquid fertilizer by using beneficial microorganism fermentation liquor

A technology of microbial fermentation liquid and microbial fermentation, which is applied in fertilizer mixture, application, fertilization device and other directions to achieve the effect of good chelation effect, clear product and advanced technology

Inactive Publication Date: 2016-02-03
江苏远山生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has only been a few decades since the discovery of polyglutamic acid, and its research and application are still in its infancy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. At 3m 3 Keep 1,000 kg of "beneficial microbial fermentation liquid" in the fermenter, and raise the temperature of the fermenter to 80°C;

[0022] 2. Weigh 100 kg of borax, add it into the fermenter, keep the temperature of the fermenter at 80-100°C, and chelate for 20 minutes;

[0023] 3. Weigh 80 kg of zinc sulfate (heptahydrate or monohydrate), add it into the fermenter, keep the temperature of the fermenter at 80-100°C, and chelate for 10 minutes;

[0024] 4. Adjust the pH value of the liquid in the fermenter to 5.5-6.5, weigh 200 kg of urea, 200 kg of potassium dihydrogen phosphate, and 220 kg of water-soluble potassium sulfate, and add them to the fermenter to keep the temperature of the fermenter at 80-100°C. Chelation for 30 minutes;

[0025] The product obtained through the above four steps of chelation is the "liquid fertilizer (containing trace element type)" described in the claims. Every drop of the product contains the same ingredients, and its speci...

Embodiment 2

[0027] 1. At 3m 3 Keep 1,000 kg of "beneficial microbial fermentation liquid" in the fermenter, and raise the temperature of the fermenter to 80°C;

[0028] 2. Weigh 100 kg of calcium ammonium nitrate, add it into the fermenter, keep the temperature of the fermenter at 80-100°C, and chelate for 10 minutes;

[0029] 3. Weigh 80 kg of magnesium sulfate heptahydrate, add it to the fermenter, keep the temperature of the fermenter at 80-100°C, and chelate for 10 minutes;

[0030] 4. Adjust the pH value of the liquid in the fermenter to 5.5-6.5, weigh 200 kg of urea, 200 kg of potassium dihydrogen phosphate, and 220 kg of water-soluble potassium sulfate, and add them to the fermenter to keep the temperature of the fermenter at 80-100°C. Chelation for 40 minutes;

[0031] The product obtained through the above four steps of chelation is the "liquid fertilizer (containing medium element type)" described in the claims. Every drop of the product contains the same ingredients, and its...

Embodiment 3

[0033] 1. At 3m 3 Keep 1,000 kg of "beneficial microbial fermentation liquid" in the fermenter, and raise the temperature of the fermenter to 80°C;

[0034] 2. Adjust the pH value of the liquid in the fermenter to 5.5-6.5, weigh 300 kg of water-soluble potassium sulfate, add it to the fermenter, keep the temperature of the fermenter at 80-100°C, and chelate for 20 minutes;

[0035] 3. Weigh 200 kg of potassium dihydrogen phosphate, add it to the fermenter, keep the temperature of the fermenter at 80-100°C, and chelate for 20 minutes;

[0036] 4. Weigh 300 kg of urea, add it to the fermenter, keep the temperature of the fermenter at 80-100°C, and chelate for 20 minutes;

[0037]The product obtained through the above four steps of chelation is the "liquid fertilizer (macroelement type)" described in the claims. Every drop of the product contains the same ingredients, and its specific indicators are: N+P2O5+K2O≥220g / L, γ-polyglutamic acid≥20g / L.

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Abstract

The invention discloses a method for preparing a liquid fertilizer by using beneficial microorganism fermentation liquor. The method comprises the following steps of step one, heating a fermentation tank up to 80 DEG C for hyperthermia inactivation after the fermentation of beneficial microorganism is completed by combining a beneficial microorganism fermentation technology, so as to obtain the beneficial microorganism fermentation liquor; step two, retaining part of the beneficial microorganism fermentation liquor, weighing one or more of copper sulfate, manganese sulfate, borax, ammonium molybdate, ferrous sulfate and zinc sulfate, adding into the fermentation tank step by step at the interval of 10 to 20 minutes in sequence, keeping the temperature of the fermentation tank to be 80 to 100 DEG C, and fully chelating; step three, weighing one or more of calcium nitrate, calcium ammonium nitrate and magnesium sulfate, adding into the fermentation, keeping the temperature of the fermentation tank to be 80-100 DEG C, and chelating for 10-20 minutes.

Description

technical field [0001] The invention relates to an agricultural fertilizer, in particular to a method for preparing liquid fertilizer by using beneficial microorganism fermentation liquid. Background technique [0002] Liquid fertilizer is a kind of water-soluble fertilizer. The research on water-soluble fertilizers abroad is earlier. In 1925, the United Kingdom announced a patent for directly using various mixed solid raw materials to make water-soluble fertilizers. In 1965, the United States published a patent for the production of sheet-shaped water-soluble fertilizers. In 1988, TVA of the United States applied for a patent for the production of high-concentration nitrogen-sulfur suspension fertilizers, using low-eutectic ammonium nitrate and urea to obtain high-content nitrogen. In 1999, the United States published a patent for the production of granular water-soluble fertilizer products using extrusion granulation technology, and introduced a dissolution aid in the g...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/04C05G3/80
Inventor 左其海钱光炜
Owner 江苏远山生物技术有限公司
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