Based on the principle of reverse electric field dust removal

an experimental device of reverse electric field filter dust removal was developed

and its capture ability on aerosol particles with median diameter of 1.49 μm was tested. This experimental apparatus is composed of a conventional wire-tube particle precharger and fibrous filters in a reversed external electric field. The charging and collection processes are separated and accomplished in two stages. The main enhance mechanism of the reversed electric field is due to the rejection of charged particles by the electric field

and higher electric field strength is achieved on the filter bag. The experimental results show that

the advantage of the reversed electric field was significant at high face velocities than that of the conventional hybrid electrostatic filtration systems. When the face velocity was increased from 1.0 m/min to 2.5 m/min

the increase amplitude of collection efficiency in the reversed electric field increased from 3.9% to 11.8%

compared with that of the conventional hybrid electrostatic filtration systems. Due to the turbulence induced by the reversed electric field

the pressure drop in the reversed electric field was 5.0% higher than that in the conventional hybrid electrostatic filtration systems. The reverse electric field electrostatic hybrid dust removal technology can achieve efficient control of fine particles and provide technical support for reverse electric field's industrial application.