Composting ventilation and aeration system

Abstract

The invention relates to the technical field of composting fermentation, and particularly relates to a composting ventilation and aeration system, which comprises one or multiple aeration units, wherein each aeration unit comprises an aeration fan and one or more aeration tube stacks; each aeration tube stack comprises a conveying tube and a gas distribution tube; the conveying tube is connected with a gas outlet of the aeration fan; the gas distribution tube is arranged in a composting tank; further, the gas distribution tube is communicated with the conveying tube. According to the composting ventilation and aeration system, a gas pressurized through the aeration fan passes through the gas distribution tube of the aeration tube stack, then is delivered into a material pile body, is sufficiently in contact with a material, supplies oxygen needed by the aerobic fermentation of a microbe, and takes moisture and superfluous heat away. According to the factors of the growth and propagation conditions, the chemical oxygen demand and the like of the microbe in the composting fermentation process of different raw materials, through the differences of the allocation quantity of the aeration units and the allocation quantity of the aeration tube stacks in each aeration unit and by regulating the working state and time of the aeration fan, the abundant oxygen is provided for the composting fermentation of organic solid waste; the composting fermentation efficiency is increased, and the quality of a composted product is improved.

Description

technical field [0001] The invention relates to the technical field of compost fermentation, in particular to a compost ventilation and aeration system. Background technique [0002] At present, my country's livestock and poultry breeding industry is developing rapidly. The current production of livestock and poultry manure is 3.8 billion tons. A large amount of livestock and poultry manure is directly discharged into surface water without treatment, turning the original nutrient source into a pollution source. Livestock and poultry manure and Sludge is a kind of biomass resource. If it is not utilized, it will not only lead to waste of organic resources, but also cause secondary pollution of the environment. [0003] According to the development experience at home and abroad, the most important way to deal with organic solid waste is through biocomposting of these waste resources to achieve waste reduction, harmlessness and resource utilization. The process of aerobic compo...

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problems that in the existing organic solid waste composting treatment, due to the poor aeration effect, the oxygen supply requirements of microorganisms cannot be met, the water dispersion of the pile body is slow, the product ripening is not complete, and the fermentation time is long.

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