Low carbon optimal scheduling of integrated energy system considering waste heat utilization under the coordinated operation of incineration power plant and P2G

TL;DR

This paper proposes an integrated energy system optimization strategy that enhances energy efficiency and reduces carbon emissions by coordinating incineration power plants, P2G, waste heat recovery, and carbon recycling within a tiered carbon trading framework.

Contribution

It introduces a novel coordinated operation model of incineration power plants and P2G with waste heat utilization, including a two-stage P2G process and CO2 recycling, optimized via GUROBI.

Findings

The model effectively reduces system operating costs.

Waste heat recovery improves energy utilization efficiency.

Carbon recycling via P2G enhances sustainability.

Abstract

In order to improve energy utilization and reduce carbon emissions, this paper presents a comprehensive energy system economic operation strategy of Incineration power plant Power-to-gas (P2G) with waste heat recovery. First, consider the coordinated operation of Incineration power plant - P2G, introduce the refined Power-to-gas two-stage operation process, add Hydrogen fuel cells on the basis of traditional Power-to-gas to reduce the energy ladder loss, and recycle the Methanation reaction heat; Secondly, in order to improve the energy utilization efficiency of Incineration, it is considered to install a waste heat recovery device containing a water source heat pump to recover the waste heat of flue gas and consume some electric energy, sourced from wind power, and add a CO2 separation device to combine the recovered CO2 with P2G to synthesize CH4 to achieve carbon recycling. Finally, within the framework of a tiered carbon trading mechanism an IES optimization model for electricity-heat with the goal of minimizing the system operating cost is constructed, and the GUROBI modeling optimization engine is used to solve this model. The results verify the effectiveness of the model.