CAD draw wastewater treatment plant process flow diagram of the specific steps is what, is not the first to draw the individual structures process, and then connected to.

Process flow diagram is another expression of the process brief, he is different from the piping diagram, he does not need to express the equipment with the original equipment size, location, but in order to layout neatly, we also have to do a certain proportion, such as the distance between the equipment and the equipment, the distance between the pipeline and the pipeline to have a certain size, the flow chart of the material expressed in the direction of the correct direction must be, or the consequences of unthinkable.