TS 1575

TS 1575 is a standard for the graphical symbols used in diagrams and flowsheets for coal preparation plants. In practice, such symbols give process drawings a common visual language so that equipment, material movement, and operating sequence can be read quickly and consistently. In coal preparation engineering, that shared notation helps different teams interpret plant documentation in the same way.

Why graphical symbols matter in process documentation

In general technical usage, graphical symbols replace lengthy pictorial detail with functional representation. In coal preparation plants, where crushing, screening, separation, classification, conveying, and related stages are often arranged as a connected process, symbols help simplify the overall flow while still showing how units relate to one another. This makes the same drawing language useful for design documents, operating manuals, and maintenance-oriented schematics.

What this standard is about

The standard’s subject is the symbol system used for coal preparation plants, not the plant itself. It addresses the graphic representation used in diagrams and flowsheets, which is an important distinction in technical drafting: a symbol standard governs how items are shown on paper or screen, rather than how a machine functions internally. For users, that means a more consistent and comparable way to read drawings of coal preparation processes.

• Focuses on graphical symbols for coal preparation plant documentation.
• Applies to diagrams and flowsheets used in process representation.
• Supports consistent interpretation of equipment and material flow.
• Provides a common visual reference for technical drawings.
• Concerns symbolic depiction rather than the plant’s physical design.