Two-phase anaerobic fermentation system applying gas-liquid combined stirring
An anaerobic fermentation, gas-liquid combination technology, applied in bioreactor/fermenter combination, specific-purpose bioreactor/fermenter, gas production bioreactor, etc., can solve the problem of hydrolysis acidification tank and gas production tank materials Uneven distribution, decreased stability of propionic acid hydrolysis acidification tank, easy formation of accumulation and top crusting, etc., to avoid material accumulation and top crusting, ingenious design of circulation pipelines, and avoid accumulation.
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[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the embodiments of the present invention are not limited thereto.
[0022] see figure 1 , the present invention provides a two-phase anaerobic fermentation system using gas-liquid combined stirring, the system includes two cycles of hydrolysis acidification tank pneumatic stirring cycle and gas production tank hydraulic stirring cycle.
[0023] The pneumatic agitation cycle of the hydrolysis acidification tank includes devices connected in the following manner: the top of the hydrolysis acidification tank 1 is provided with a feed port controlled by a valve 8, and a gas outlet, which is connected to the top outlet of the gas production tank 2 through a valve 9. The gas port is connected to the gas collection tank 3 through the valve 10, and the gas collection tank 3 is connected to the desulfurization drying device 4 and the purification devi...
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