Integrated two-phase anaerobic dry fermentation reactor based on rumen bionic principle

Abstract

Provided is an integrated two-phase anaerobic dry fermentation reactor based on a rumen bionic principle. The reactor is characterized by comprising a reactor main body, the reactor main body comprises a dry fermentation chamber, a secondary fermentation chamber and a liquid storage chamber, and the dry fermentation chamber is disposed at an upper portion of the reactor main body; the liquid storage chamber is disposed at the bottom of the reactor main body; the secondary fermentation chamber is disposed between the dry fermentation chamber and the liquid storage chamber in the reactor main body; the dry fermentation chamber is connected to the secondary fermentation chamber through a porous structure.

Description

technical field [0001] The invention relates to the field of anaerobic fermentation of organic solid waste such as livestock and poultry manure, crop straw, kitchen, dewatered sludge, and in particular to an integrated two-phase anaerobic dry fermentation reactor based on the principle of rumen bionics. Background technique [0002] Anaerobic fermentation of organic matter is a common technology for microbial degradation of organic matter. According to the dry matter content of raw materials, it can be divided into wet fermentation and dry fermentation. Generally speaking, the dry matter content of wet fermentation is below 8-12%, while dry fermentation refers to the process of anaerobic fermentation of raw materials with a dry matter content of 20%-40% to generate biogas. [0003] Anaerobic dry fermentation technology is an effective way to treat organic waste such as livestock and poultry manure, crop straw, kitchen and dewatered sludge. Compared with wet fermentation, dry...

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Problems solved by technology

[0004] Due to the high dry matter content of dry fermentation, lack of fluidity, poor heat and mass transfer conditions, and the fact that methanogenic microorganisms are very sensitive to environmental factors, it is easy to cause local severe acidification during the fermentation process, and livestock and poultry manure is used as the fermentation substrate. Inhibition of ammonia is more likely to occur when the biogas is used, resulting in a significant decrease in biogas production

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