The invention discloses a constant-temperature and multi-stage
waste gas treatment system. The constant-temperature and multi-stage
waste gas treatment system comprises a green house, and further comprises an original
gas pipeline, a washing
tower, a biobox and a gas-liquid separation tank which are arranged in the green house and sequentially connected; and a
centrifugal fan and a plurality of heaters are further arranged in the green house, the
centrifugal fan is used for driving treated gas to circulate in the
system, an
activated carbon adsorption box communicates with outside air, and thewashing
tower is provided with an alkali liquor
circulating pump used for driving alkali liquor in the washing
tower to circulate. The heaters of the constant-temperature and multi-stage
waste gas treatment system provide the proper temperature environment for the constant-temperature and multi-stage waste gas treatment
system, normal work of all links in the constant-temperature and multi-stagewaste gas treatment
system is ensured, it is especially ensured that microorganisms can be in the appropriate environment, and favorable external conditions are provided for biological
decomposition of the microorganisms.
Waste gas is sequentially subjected to a washing stage, a
biodegradation stage and an adsorbing stage, wherein the washing stage is provided with PH value monitoring points, it is ensured that the microorganisms operate reliably and stably at the later stage, the
retention time of the waste gas in the biological stage is relatively long, and qualified emission of the gas is ensured through the adsorbing stage.