Continuous laminating type aerobic fermentation system and using method thereof

Abstract

The invention relates to a continuous laminating type aerobic fermentation system and a using method thereof. The system comprises: a fermentation tank, and a tank body structure defined by an underground tank wall, an overground tank wall and a tank bottom; a film changing machine which is used for carrying out film uncovering, film paving or film changing treatment on the functional films covering the fermentation tank and the materials in the tank; a turning machine which is used for directly turning and further mixing the materials under the film under the condition that the film is not uncovered, and gradually translating and conveying the materials to another fixed position; and a condensate collecting system which is used for continuously collecting condensate on the lower surface of the functional film in real time and guiding out the condensate. According to the invention, continuous feeding, material translation, continuous discharging and microbial inoculum timing spraying are realized through the pile turning machine; synchronous operation of film paving and film uncovering is achieved through the film changing machine, and efficient film rolling is achieved; and real-time collection, short-distance conveying and temporary storage of condensate are achieved through the condensate collection system.

Description

technical field [0001] The invention relates to the technical field of organic solid waste disposal and resource utilization, in particular to a continuous film-covered aerobic fermentation system and its application method. Background technique [0002] High-temperature aerobic fermentation is currently one of the mainstream methods for large-scale treatment of livestock and poultry manure in my country to realize its resourceful, harmless and reduced utilization. In recent years, film-covered aerobic fermentation, as an emerging efficient and environmentally friendly fermentation method, has been widely used in the fertilizer and base material utilization of organic waste. Its main feature is that the surface of the material is covered with a layer of selectively permeable functional membrane to maintain the fermentation process in a closed environment. The functional membrane is uniformly distributed with micropores of about 0.2 μm, which can allow small molecules such as...

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Problems solved by technology

[0003] The emerging film-covered aerobic fermentation mode has the advantages of high efficiency and environmental protection, but there are still the following problems to be solved: 1) The current film-covered aerobic fermentation technology belongs to batch processing technology. It is impossible to continuously or temporarily feed and discharge materials, so raw materials such as livestock and poultry manure are required to be stored and collected in an open manner for a long time, which increases the pollution discharge during the storage process; 2) The film-covered aerobic fermentation technology has no supporting turning equipment. The pile is gradually compacted, leading to problems such as uneven fermentation and serious agglomeration; 3) The film-covered aerobic fermentation process only relies on forced ventilation to remove water slowly, and the moisture content is still high after the material is decomposed and stabilized

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