Fossil-fired power plant water footprint analysis system, water footprint calculation method and calculator

The invention discloses a fossil-fired power plant water footprint analysis system, a water footprint calculation method and a water footprint calculator. The system comprises a plant-level monitoringinformation system of a thermal power plant, a blue water footprint calculation module, an energy and material water footprint calculation module and a gray water footprint calculation module, the plant-level monitoring information system of the thermal power plant comprises a memory unit for storing system operation parameter data, and the blue water footprint calculation module, the energy andmaterial water footprint calculation module and the gray water footprint calculation module all comprise a data calling unit, a single-chip microcomputer computing unit and a data output unit. Based on a plant-level monitoring information system of a thermal power plant, the total water footprint of thermal power plant enterprises is modularized, the calculation difficulty is reduced and the calculation pressure of the sys