There are more than 70 full set of construction drawings for wastewater treatment in the chemical plant of wastewater treatment, including design parameters, process flow, general layout and full set of construction drawings, all of which have a scale of 1:1, and can be edited and modified according to actual requirements. The pictures include general drawing, front view, left view, top view, process fabrication drawing and main node and sectional view. Technical parameters and equipment requirements are also described in detail, have