Wastewater filtering and extracting device

The utility model discloses a waste water filtering and extracting device which comprises a filter element, positioning mechanisms are arranged on the two sides of the filter element, and lifting adjusting mechanisms are arranged on the upper portions of the positioning mechanisms. An operating frame is arranged at the upper part of the lifting adjusting mechanism; an opening is formed in the topof the filter element; the positioning mechanism comprises a first positioning pipe and a second positioning pipe; wherein the first positioning pipe is installed on one side of the filter element, the second positioning pipe is installed on the other side of the filter element, the lifting adjusting mechanism comprises a first rotary adjusting pipe and a second rotary adjusting pipe, a first adjusting shaft is installed between the first rotary adjusting pipe and the first positioning pipe in a sleeved mode, and a second adjusting shaft is installed between the second rotary adjusting pipe and ...

Close type incandescent lamp of additional welded radiating pole, and method for preparing the radiating pole