| abstract |
The invention discloses a flue gas purification device, which comprises a prewashing tower, an adsorption tower and a plasma generator, wherein a spray pipe is arranged inside the prewashing tower, the spray pipe extends along the axial direction of the prewashing tower, at least two sprayers are arranged on the spray pipe, the at least two sprayers are distributed at intervals along the axial direction of the spray pipe, a first gas inlet and a first gas outlet are respectively arranged at the bottom and the top of the prewashing tower, a circulating pump is arranged outside the prewashing tower, a liquid inlet of the circulating pump is connected with the bottom of the prewashing tower, a liquid outlet of the circulating pump is connected with the upper end of the spray pipe, spray liquid is contained at the bottom of the prewashing tower, a plasma processing unit and a plasma power supply are arranged in the plasma generator, a second gas inlet and a second gas outlet are respectively arranged at the bottom and the top of the adsorption tower, and the first gas outlet and the second gas inlet are respectively communicated, the inside of the adsorption tower is provided with an activated carbon adsorbent. The structure is simple, and the service life is long. |