Dosing pump unit

摘要

A metering pump unit (I) for adding a liquid reducing agent (II) to an off-gas stream (III), with a metering pump (2) for conveying (II) and a premixer (39) with a mixing zone (18) for mixing (II) with a compressed gas (IV), in which (I) has a pump head with a central plate (40) holding at least the pump (2) and the premixer (39).