Sludge drying flue gas treatment system and treatment process for municipal sewage treatment plant
A flue gas treatment system and sludge drying technology, which are used in dewatering/drying/concentrating sludge treatment, water/sludge/sewage treatment, gas treatment, etc. There is no substantial reduction in gas and heat pollution, and the odor concentration index cannot meet the standard, etc., to achieve the effects of low operation and maintenance costs, prevention of deposition and blockage, and simple installation.
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[0034] Such as figure 1 As shown, a flue gas treatment system for sludge drying of a municipal sewage plant of the present invention includes: an induced draft fan 1, a flue gas cooling and backwashing system, a biological washing + biological filter system, and a tail gas advanced treatment system; sludge The drying flue gas outlet is connected in series with the said induced draft fan, flue gas cooling and backwashing system, biological scrubbing + biological filter system and tail gas advanced treatment system in sequence; the flue gas treatment system also includes flue gas cooling and The auxiliary system of the backwashing system, the auxiliary system of the flue gas cooling and backwashing system includes the backwashing system and the acid-base solution dosing system, and the flue gas treatment is connected to the flue gas inlet and outlet of the flue gas cooling and backwashing system respectively system.
[0035] A fan 1 is installed at the beginning of the flue gas co...
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