Steam generation system for Power-to-Salt, Denmark
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|End user/Owner:||Aalborg Forsyning|
|Location:||Green test center at Nordjyllandsværket, Aalborg, Denmark|
The PTXSALT plant in Aalborg will be the first of its kind in Northern Europe. Aalborg CSP will be supplying the heat exchanger of the header-coil type for steam generation as well as work closely together with Kyoto Group on their modular HeatCube storage concept - a thermal battery with molten salt (PTXSALT).
Electricity from wind turbines will be stored in a molten salt storage and, on demand, converted back to steam, to be used for green district heating and potentially for green power production for daily and weekly load shifting in the electricity grid as well as for constant power supply for the well-known PTX technologies such as hydrogen and methanol production.
Header-coil technology is a fundamental building block for PTXSALT
The Header Coil heat exchanger technology from Aalborg CSP is designed to withstand high pressure, high duty, and transient operation. Moreover, the technology meets the large requirements for thermal performance as well as the requirement for a fast ramp-up when needed. Finally, the technology is the only existing heat exchanger type with high long-term reliability and efficiency under cyclical load conditions, which is a critical point of focus for PTXSALT plants.
The project has been created as a close cooperation between Aalborg CSP and Kyoto Group to develop a system combining the Header Coil heat exchangers with the HeatCube technology in order to create a reliable solution for the client, Aalborg Forsyning.
PTX technology for green conversion of coal-fired power plants
The header-coil heat exchanger system from Aalborg CSP together with the HeatCube PTXSALT plant can be considered a green base-load plant and reuse parts of the coal fired power plant’s existing infrastructure such as the steam turbine and thereby form the basis of future conversions of similar plants.
Rather than demolishing all coal-fired power plants in both Europe and globally over the next decades, Aalborg CSP expects a trend for the coming years with conversions of existing coal fired plants into being profitable producers of green and sustainable energy streams such as electricity and heat as products.