Method for preparing water-retaining biological organic fertilizer by using high-water-content poultry and livestock manure

A technology of poultry manure and high water content, which is applied in the preparation of organic fertilizers, the treatment of bio-organic parts, organic fertilizers, etc., can solve the problems of unreasonable use of chemical fertilizers, soil compaction, and lack of water resources, so as to promote sustainable development , improve the sanitation environment, and reduce the effect of mosquito breeding

Active Publication Date: 2015-09-02
珠海农神生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In recent years, due to the lack of water resources, irrational use and irrational cultivation, my country's land desertification has become increasingly serious, and the long-term irrational use of chemical fertilizers has caused soil compaction, soil fertility decline, and ecological damage.

Method used

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  • Method for preparing water-retaining biological organic fertilizer by using high-water-content poultry and livestock manure
  • Method for preparing water-retaining biological organic fertilizer by using high-water-content poultry and livestock manure
  • Method for preparing water-retaining biological organic fertilizer by using high-water-content poultry and livestock manure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Collect 10 tons of feces sewage with a water content ≥ 95% produced by the pig farm on the same day in a mixing tank, add 1500 kg of limestone powder, start the agitator to stir and mix evenly to form a feces slurry. From the quantitative discharge valve under the tank, the feces slurry is introduced into the screw conveyor reactor at a certain flow rate, and injected into the screw conveyor reactor with the corresponding sulfuric acid flow rate from the concentrated sulfuric acid storage tank (the total amount of sulfuric acid is 1050kg), and mixed with the feces slurry to react and solidify into solidified pig manure. Add 150kg of Zhuhai Nongshen brand soil bio-enzyme water-retaining agent, and ferment it into decomposed water-containing bio-organic fertilizer. Heating and dehydrating in a heating agitator until the water content is <12%, that is, about 3500kg of water-retaining bio-organic fertilizer is obtained.

Embodiment 2

[0028] Collect 10 tons of fecal sewage with a water content close to 100% produced by the pig farm on the same day in a mixing tank, add 2000 kg of wollastonite mineral powder, and start the agitator to stir and mix evenly to form a fecal slurry. From the quantitative discharge valve under the tank, the feces slurry is introduced into the screw conveyor reactor at a certain flow rate, and injected into the screw conveyor reactor with the corresponding sulfuric acid flow rate from the concentrated sulfuric acid storage tank (the total amount of sulfuric acid is 1300kg), and mixed with the feces slurry to react and solidify into solidified pig manure. Add 150kg of Zhuhai Nongshen brand soil bio-enzyme water-retaining agent, and mix and ferment to obtain water-containing and water-retaining bio-organic fertilizer. Heating and dehydrating in a heating agitator until the water content is <12%, that is, about 3900kg of stable water-retaining bio-organic fertilizer is obtained.

Embodiment 3

[0030] Collect 10 tons of feces sewage with a water content ≥ 90% produced by the pig farm on the same day in a mixing tank, add 1800 kg of lime powder, start the agitator to stir and mix evenly to form a feces slurry. From the quantitative discharge valve under the tank, the feces slurry is introduced into the screw conveyor reactor at a certain flow rate, and injected into the screw conveyor reactor with the corresponding sulfuric acid flow rate from the concentrated sulfuric acid storage tank (the total amount of sulfuric acid is 1710kg), and mixed with the feces slurry to react and solidify into solidified pig manure. Add 250kg of Zhuhai Nongshen brand soil bio-enzyme water-retaining agent to ferment into decomposed water-containing and water-retaining bio-organic fertilizer, heat and dehydrate in a heating mixer until the moisture content is <12%, and then obtain about 5300kg of stable water-retaining bio-organic fertilizer.

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Abstract

The invention discloses a method for preparing a water-retaining biological organic fertilizer by using high-water-content poultry and livestock manure. The method comprises the following steps: adding calcium-containing mineral powder into the high-water-content poultry and livestock manure, and stirring uniformly to obtain poultry and livestock manure slurry; mixing the slurry with concentrated sulfuric acid to ensure that the poultry and livestock manure slurry is solidified; adding a soil biological enzyme water-retaining agent into the solidified poultry and livestock manure to perform fermentation so as to obtain a decomposed water-containing and water-retaining biological organic fertilizer; and then drying to dewater until the water content is less than 12%, thereby obtaining a water-retaining biological organic fertilizer. According to the method, the high-water-content poultry and livestock manure and a soil biological enzyme are fermented together to obtain the water-retaining biological organic fertilizer, so that the aims of reasonably utilizing the poultry and livestock manure, improving the hygienic environment of a poultry and livestock farm, reducing breeding of mosquitoes and preventing the poultry and livestock manure sewage from flowing into a water channel are achieved; and the obtained water-retaining biological organic fertilizer contains rich nutrient elements, and can eliminate fertilizer damages and pesticide residues in soil, thereby effectively improving the activity of the soil, culturing high-quality crops and improving the production output.

Description

technical field [0001] The invention belongs to the technical field of agricultural fertilizers, and in particular relates to a method for preparing water-retaining bio-organic fertilizers by using poultry manure with high water content. Background technique [0002] The pig and chicken manure and odor produced by pig and chicken breeding places have seriously polluted the surrounding environment and water bodies. And because the moisture content of pig and chicken manure is large, it is impossible to carry out industrialized fermentation to produce organic fertilizer. Usually, when the water content of food waste is high, it is necessary to add 20% of crushed straw, or add back 30% of the fermented finished product during fermentation, and then ferment. This is not only time-consuming and troublesome, but also affects production efficiency. Therefore, the rational development and utilization of pig and chicken manure with high water content has become a technical problem ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05F17/00C05F3/00C05G3/80
CPCY02A40/20Y02W30/40
Inventor 林汉明林焕新肖爱迪
Owner 珠海农神生物科技有限公司
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