Ventilation control in fertilizer fermentation

Control of Ventilation in Fertilizer Fermentation The process of using animal husbandry to treat livestock manure and other organic wastes as bio-organic fertilizer is aerobic fermentation, which requires certain ventilation and ventilation frequencies. Ventilation and oxygen supply is one of the basic conditions for the production of aerobic fermentation bio-organic fertilizer. Ventilation volume is mainly determined by the compost raw material organic content, volatility, and degradable coefficient. The main role of ventilation is: 1 to provide oxygen to accelerate the fermentation process of microorganisms; 2 to adjust the stack temperature; 3 to dry the stack. Too little ventilation will not provide sufficient oxygen to the microorganisms, which will affect the increase of the composting temperature. Excessive ventilation volume may dissipate the heat of the compost heap, affecting the compost innocuousness. The empirical data for compulsory forced ventilation is usually 0.05 to 0.2 m3/m3 of stacking material min.
Ventilation of the control mainly through the following ways to achieve: 1 natural ventilation oxygen; 2 into the reactor into the ventilation pipe; 3 use a variety of special tipping machine to turn the stack ventilation; 4 fan forced ventilation for oxygen. Details can visit the website or consult.

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