化工制图基本规范（Basic specification of chemical drawing）.doc

化工制图基本规范（Basic specification of chemical drawing） This article is contributed by me The PPT document may not have a good browsing experience at the WAP end. It is recommended that you choose TXT, or download the source file to the native view. Design and mapping of chemical plant design and mapping Basic specifications of chemical drawing Huaiyin engineering department 1. Main content of this course 2 chemical drawing basic specification 3 chemical constant pattern type and requirements 1. Main contents of this course One, factory design part The principle of chemical plant design Chemical plant design of different stages and the chemical plant chemical process task process layout design (flat facade) chemical plant layout design, elevation selection of chemical equipment and non-standard equipment design AutoCAD chemical application of AutoCAD chemical application chemical process diagram material flow chart of general layout, material flow diagram, with the control points of process flow diagram equipment plan elevation layout chemical equipment drawing Ii. Chemical mapping section 2. Basic specifications of chemical drawing 1. Picture frame (GB/T14689-93), picture width 2. Basic specifications of chemical drawing 2523 2102 1982 1682 1471 1261 1051 630 420 A4, 5, 4, 4, 4, 4, 3, A4 297 When necessary, if necessary, allow the selection of lengthened size. The length of a ruler must be increased by an increase in the short side of the basic dimension. A1 A2 A3 * 3 A3 x 4 594 891 1486 1783 2080 2378 210 2. Basic specifications of chemical drawing 1. Picture frame format (two kinds, binding, non-binding), picture frame format (two kinds, binding, non-binding) 2, title bar (gb106091-89), title bar ( 2. Basic specifications of chemical drawing 3, proportion (GB/T14690-93), a ratio of 4, font, font (GB/T14691-93) fonts neat, stroke, evenly spaced, fonts neat, stroke, evenly spaced, neat rows Digital high h high 1.8, 2.5, 3.5, 5,7,10,14,20 with increasing 2 1/2 times Chine