Patent ID: 8871012

Claim:
A packed column, comprising a column body, a gas inlet, a gas outlet, a liquid inlet, a liquid outlet, a packing, and a packing support, wherein the liquid outlet is disposed at a lower end of the column body, the liquid inlet is disposed at an upper end of the column body, the packing is installed in the column body and supported by the packing support at a lower part thereof, and the gas inlet is disposed under the packing support in the column body, wherein the packing is a regular packing, constructed by combining two or more hollow columns, and is installed on the packing support in the column body, fillers are filled between the hollow columns of the regular packing and between the regular packing and a wall of the column body, so that no gap exists, the gas outlet is disposed above the regular packing, the packed column further comprises gas guide plates, each gas guide plate is in the form of a helix, and each of the gas guide plates is installed within one of the hollow columns of the regular packing.