HRSGs and boilers | John Cockerill HRSGs for Poland and USA
Above: Visualisation of the Grudziadz combined cycle plant
John Cockerill has been chosen by Mytilineos and Siemens Energy via an e-bidding process for the design and supply of a Benson-type boiler, to be installed downstream of a Siemens Energy SGT5-4000F gas turbine. This will be part of the Grudziadz combined cycle power plant in Poland. The steam generated will be supplied to a Siemens Energy SST-5000 steam turbine. John Cockerill has previously designed and supplied similar HRSG technology under a Siemens Energy Benson licence, for power stations in the Netherlands and the UK. The construction of this new 560 MW combined cycle power plant by a consortium of Mytilineos and Siemens Energy, under contract to SPV CCGT Grudziadz, 100% owned by Energa, part of Orlen Group, will “definitely accelerate the Polish energy transition, moving away from coal”, says John Cockerill. The Grudziadz combined cycle power plant will help replace declining production from coal-fired power plants, resulting in an estimated saving of approximately 1.2 million tons of CO2
emissions per year. Left:
Grudziadz HRSG
Meanwhile, John Cockerill can report completion of a successful HRSG project in the USA, with entry into commercial operation earlier this year of J-Power USA’s 1200 MW
Above: Jackson combined cycle power plant
Mitsubishi modernises boiler at Västhamnsverket
Under a contract signed with the plant owner/ operator, Swedish energy company Öresundskraft Kraft & Värme, Mitsubishi Power Europe is in the process of modernising the firing system of the Västhamnsverket power plant in Helsingborg, Sweden.
Modernisation of the boiler will ensure a longer lifetime for the power plant, says Mitsubishi. The Mitsubishi scope includes basic and detailed engineering, manufacturing and the delivery of a new milling system, provision of a new DST burner system for wood dust, installation of intermediate storage silos for wood powder, construction of completely new conveying systems and supply of a new oil firing system for rapeseed methyl ester
(RME). In addition, the contractual scope also includes modifications to the existing boiler walls and to the burner air system, as required to accommodate the new burner.
Above: Västhamnsverket
Commissioning was planned for September 2022 and the plant is expected to be in operation during the upcoming heating season, achieving a load factor of at least 90% by mid-November 2022, with final project completion and signing of the provisional acceptance certificate) in April 2023. The new firing and burner system for rapeseed methyl ester will enable the existing plant to be operated in a much more sustainable way, and is a further step towards eliminating fossil fuel oil from heat and power production, says Alf-Erik Ragnarsson, project manager at Öresundskraft Kraft & Värme AB, and will “contribute to securing operations for many years to come with an increased load range and much higher efficiency.”
Jämtkraft warms to SFW bubbling fluidised bed
Sumitomo SHI FW (SFW) has been awarded a contract to deliver a new 77 MWt bubbling fluidized bed (BFB) boiler plant to Jämtkraft AB in Sweden.
The new boiler will be part of the Lugnvik plant in Östersund and will use biomass as fuel to ensure a secure supply of heat and power
to Jämtkraft customers. It will also contribute to increased production of renewable electricity, as, with the new boiler, one third of the energy output of the plant will be electricity and two thirds district heating.
SFW describes Jämtkraft as a long-standing customer with two SFW circulating fluidised bed
40 | October 2022|
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(CFB) boilers already in operation, delivered in 1985 and 2002.
As well as the boiler itself, SHW’s scope will also include auxiliary equipment, flue gas condensing plant, flue gas cleaning equipment, electrics, instrumentation and control system, including DCS, as well as the boiler and turbine buildings.
Jackson combined cycle power plant in Elwood, Illinois. For this plant John Cockerill supplied two state-of-the-art heat recovery steam generators installed behind high efficiency Mitsubishi M501JAC gas turbines, the first two such machines to be manufactured in the USA. The engineering, procurement and construction contractor was Kiewit.
The Jackson plant dispatches power into the PJM regional transmission system, and is said to support the commitment of Illinois to renewable energy by providing efficient, flexible natural gas generation to complement wind and solar energy. It also reduces the state’s dependence on coal-fired generation.
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