How to write CAD processing technology, the operation method is as follows.

Equipment: ASUS computer

System: win7

Software: CAD20 14

1. First open AutoCAD20 14, click the Start menu in the upper left corner of the interface, and then select New-Graphics.

2. In the Template Selection window, select acadis.dwt, and then click Open to create a new blank drawing.

3. Find the layer label in the menu and click the "Layer Properties" button in the upper left corner of the label. The Layer Attribute Manager will pop up.

4. Add the required layer in the Layer Attribute Manager, name and define the color according to your own habits, and select the corresponding line type and line width.

5, the following formal drawings, draw the simplified symbols of instruments and meters needed in the whole process, pay attention to put them neatly according to the process.

6. Finally, add the necessary labels and text descriptions, so that the whole chemical process flow chart is completed.