Combined-type-solar-system power-plant water-feeding and CO2-collecting assisted integrated system

The invention discloses a combined-type-solar-system power-plant water-feeding and CO2-collecting assisted integrated system. The combined-type-solar-system power-plant water-feeding and CO2-collecting assisted integrated system is mainly composed of a coal burning thermal power generation subsystem, a chemical-absorption-method CO2 collecting subsystem, a combined-type solar heat collecting subsystem and a plurality of heat exchangers. Connecting and switching are carried out on the subsystems mainly through the heat exchangers, relative pipes and relative valves. As different combination modes are achieved according to the optimal heat collecting temperature of medium and low temperature solar heat collectors, and different connecting modes are adopted for the heat output end of the combined-type solar heat collecting subsystem, the energy requirement grades of related parts among the combined-type solar heat collecting subsystem, the coal burning thermal power generation subsystem and the chemical-absorption-method CO2 collecting subsystem are reasonably distributed and integrated, the gradient use of energy is achieved, the energy consumed when steam is pumped from a power plant steam turbine can be greatly reduced, the multiple effects of achieving use of the renewable energy sources, improving the power plant energy efficiency, reducing emission of CO2 and the like are achieved while the power plant stability is maintained, and large-scale application of the solar and smoke collecting integrating technology is promoted.