Unburned methanol and formaldehyde extractors for vehicles using methanol fuel

摘要

The present invention provides an apparatus for extracting unburned methanol and formaldehyde in a vehicle using methanol fuel which can extract unburned methanol and formaldehyde contained in exhaust gas of a vehicle using methanol as a fuel. . The present invention is connected to, and installed in a line having an on-off valve in the exhaust pipe through which the diluted exhaust gas passes, two glass impinger containing the absorption solution for absorbing and dissolving unburned methanol and formaldehyde; A pump mounted to a rear line of the glass impinger to suck exhaust gas passing through the exhaust pipe; An ice bath that receives the two glass impingers and cools them to maintain an appropriate temperature; A flow meter installed at a rear end of the pump through an regulating valve to control a speed of a flow rate passing through the impinger; A dry gas meter connected in series with the flow meter to determine the flow rate of the impinger passage during the extraction period; And a thermal couple installed in the dry gas meter to sense the temperature of the flowing gas, and configured to extract unburned methanol and formaldehyde components from the exhaust gas into the liquid phase.