Municipal solid waste processing system and processing method
A municipal solid waste and treatment system technology, applied in the municipal solid waste treatment system and its treatment field, can solve the problems of difficult control, waste of recyclable resources, difficult operation and management, etc., and achieve the goal of reducing pressure and improving resource reuse rate Effect
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Embodiment 1
[0029] A treatment method for municipal solid waste, the operation steps are:
[0030] (1) Weigh the municipal waste, divide the material evenly after breaking the bag, and classify the mixed waste through a combination of machine screening, winnowing and manual sorting;
[0031] (2) Shred the selected organic waste;
[0032] (3) The crushed material is diluted first, and after dilution, it is processed by spiral slag discharge to remove the inorganic matter with a large specific gravity at the bottom of the water, and the floating matter on the water surface is removed by the grid, and the remaining organic materials are further crushed by the rotary crushing device;
[0033] (4) Mesophilic anaerobic fermentation is carried out on organic waste materials from which inorganic substances have been removed.
[0034] Among them, when the mixed garbage in step (1) is sorted and classified, the degradable organic matter is magnetically separated by the belt conveyor and then enter...
Embodiment 2
[0039] Different from Example 1, the process parameters during anaerobic fermentation are different. The solid content of the anaerobic digestion tank feed is 5%, the average solid content in the tank is 3%, the residence time is 25 days, and the particle size of the organic material is 8mm, the degradation rate of organic matter is high, and the gas production rate is also high.
Embodiment 3
[0041] Different from Example 1, the process parameters during anaerobic fermentation are different. The solid content of the anaerobic digestion tank feed is 4%, the average solid content in the tank is 2.5%, the residence time is 30 days, and the particle size of the organic material is 5mm, the degradation rate of organic matter is high, and the gas production rate is also high.
[0042] What the present invention adopted is anaerobic fermentation, wherein the advantages and disadvantages of aerobic fermentation and anaerobic fermentation are compared as shown in Table 1:
[0043] Table 1 Comparative analysis of aerobic fermentation and anaerobic fermentation
[0044]
[0045] Anaerobic fermentation decomposes carbohydrates, proteins, and fats under anaerobic conditions, through the synergistic action of a variety of bacteria, first decomposes them into simple and stable substances, continues to act, and finally generates the main components of biogas such as methane and...
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