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Standardkessel - Bath Cooler
For condensation of the components, the exhaust gas is conveyed by means of a blower in a bubble column through the liquid bath, which is cooled to the condensation temperature. The liquid usually corresponds to the composition of the condensate from the exhaust gas stream. The exhaust gas cools in the bubble column to the temperature set in the accumulator below the dew point of the compounds. In the process, the pollutants and solvents contained in the exhaust gas condense out to saturation conditions.
The condensate is collected directly in the liquid. If required, the system can be designed for operation in discontinuous processes (batch processes).
As the cooling process of the waste gas is achieved by direct contact with the liquid bath, the bath itself is adjusted to the desired temperature by indirect cooling. Due to the turbulence generated by the exhaust gas streaming through, no plugging/clogging can occur. In this way, the bath cooler constantly cleans itself. Between the exhaust gas mixture and the cooled liquid, there are no separating transfer walls that are prone to fouling. The process is also successfully used when concentration peaks require smoothing in order to make other downstream recoveries and cleaning processes possible at all. The outlet concentration remains almost the same.