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High-efficiency organic compound fertilizer preparation method

A compound fertilizer and organic fertilizer granule technology, applied in the agricultural field, can solve problems such as complex manufacturing process, high cost of film-forming materials, and harmful gas, and achieve the effects of accelerated fermentation speed, low price, and low cost

Inactive Publication Date: 2017-09-08
覃淑兰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These film-forming substances have high cost and complicated manufacturing process, and some of them will produce harmful gases during the manufacturing and production process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] 1. Prepare

[0038] Preparation of coating agent: in parts by weight, mix 20 parts of starch and 120 parts of water, stir at a stirring speed of 200r / min for 5 minutes, heat to 75°C, and keep for 30 minutes to obtain starch slurry. Finally, 55 parts of clay powder, 5 parts of calcium chloride and 1 part of glycerin were added to the starch slurry, and stirred for 15 minutes at a stirring speed of 200 r / min to obtain a coating agent.

[0039] Preparation of fermentation gas: by volume, 15 parts of carbon dioxide, 70 parts of air and 3 parts of sulfur dioxide were mixed to obtain fermentation gas.

[0040] Preparation of fermentation bacteria: in parts by weight, 18 parts of concentration are 1×10 8 cfu / ml nitrifying bacteria suspension, 5 parts concentration is 1×10 8 cfu / ml sulfur bacteria suspension, 10 parts concentration is 1×108 cfu / ml of Bacillus subtilis suspension and 15 parts at a concentration of 1×10 8 cfu / ml photosynthetic bacteria suspensions were mixed t...

Embodiment 2

[0050] 1. Prepare

[0051] Preparation of coating agent: in parts by weight, mix 25 parts of starch and 150 parts of water, stir at a stirring speed of 500r / min for 5 minutes, heat to 80°C, and keep for 40 minutes to obtain starch slurry. Finally, 75 parts of clay powder, 9 parts of calcium chloride and 2 parts of glycerin were added to the starch slurry, and stirred for 15 minutes at a stirring speed of 300 r / min to obtain a coating agent.

[0052] Preparation of fermentation gas: by volume, 20 parts of carbon dioxide, 85 parts of air and 5 parts of sulfur dioxide are mixed to obtain fermentation gas.

[0053] Preparation of fermented bacteria: the concentration of 23 parts was 1×10 8 cfu / ml nitrifying bacteria suspension, 11 parts concentration is 1×10 8 cfu / ml sulfur bacteria suspension, 15 parts concentration is 1×10 8 cfu / ml of Bacillus subtilis suspension and 20 parts at a concentration of 1×10 8 cfu / ml photosynthetic bacteria suspensions were mixed to obtain ferment...

Embodiment 3

[0063] 1. Prepare

[0064] Preparation of coating agent: in parts by weight, mix 22.5 parts of starch and 135 parts of water, stir at a stirring speed of 350r / min, stir for 5min, heat to 77.5°C, and keep for 35min to obtain starch slurry. Finally, 65 parts of clay powder, 7 parts of calcium chloride and 1.5 parts of glycerin were added to the starch slurry, and stirred for 15 minutes at a stirring speed of 250 r / min to obtain a coating agent.

[0065] Preparation of fermentation gas: by volume, 17.5 parts of carbon dioxide, 77.5 parts of air and 4 parts of sulfur dioxide were mixed to obtain fermentation gas.

[0066] Preparation of fermented bacteria: the concentration of 20.5 parts was 1×10 8 cfu / ml nitrifying bacteria suspension, 8 parts concentration is 1×10 8 cfu / ml sulfur bacteria suspension, 12.5 parts concentration is 1×10 8 cfu / ml of Bacillus subtilis suspension and 17.5 parts concentration is 1×10 8 cfu / ml photosynthetic bacteria suspensions were mixed to obtain ...

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PUM

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Abstract

The invention relates to the technical field of agriculture, in particular to a high-efficiency organic compound fertilizer preparation method. The method comprises the following steps of sterilization and disinfection, aerobic fermentation, vacuum dehydration and granulation coating. Accordingly, a new organic fertilizer composting technology is adopted, an intermittent cycle aerobic fermentation method is adopted, and the composting time is shortened by 3-5 days compared with an original composting technology. In addition, the invention discloses a new fertilizer coating agent. The coating agent is low in manufacturing cost, easy to manufacture, free of toxic gas in the production process, green and environmentally friendly, and a very good popularization prospect is achieved.

Description

[0001] 【Technical field】 [0002] The invention relates to the field of agricultural technology, in particular to a preparation method of high-efficiency organic compound fertilizer. [0003] 【Background technique】 [0004] With the development of agricultural production, the amount of fertilizer application will increase day by day. At present, my country has become the world's largest producer, user and importer of fertilizers. The annual consumption of chemical fertilizers in my country has exceeded 30 million tons. , Lack of carbon sources, with the continuous use of inorganic fertilizers, the carbon and nitrogen balance of the soil is destroyed, resulting in serious problems such as compaction and desertification of the soil, decline in fertility, and crop yield reduction. [0005] Organic fertilizers are rich in organic matter, which can improve soil problems caused by long-term use of inorganic fertilizers. However, organic fertilizers must be retting and decomposed, and...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/02C05G3/04C05G3/60C05G3/80
CPCC05D1/00C05D3/02C05G3/00C05G3/60C05G3/80C05G5/30C05F1/005C05F3/00C05F5/002C05F11/00C05F11/08C05F17/00C05F5/006C05F9/04
Inventor 覃淑兰
Owner 覃淑兰
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