Thermal Cycles
WTE can engineer and install thermal cycles for:
- Energy from Waste or biomass plants
- Combined Cycle Power Plants, installing gas turbines (topping cycle) or steam turbines (bottoming cycle)
- waste heat recovery from a generic industrial process
Depending on the application thermal cycles can use as vector fluid steam as well as diathermic oil or other organic fluids
Our firm has a long experience in the design of thermal cycles of new waste-to-energy and biomass plants and the revamping of existing ones.
These cycles have some distinctive characteristics: above all, they must be designed considering that the operativity of the furnace/boiler and the flue gas cleaning system is a priority.
This means that in case of a “blackout” the thermal cycle must have the capability to generate electric power satisfying the needs for self-consumption.
In the opposite situation, the thermal cycle must operate even with the turbine in idle, to ensure the continuity of waste disposal
We have developed proprietary models, to optimize the performances of thermal cycles through (among other things).
- designing multiple stages regenerative cycles, extracting steam from the turbine at different pressures
- preheating of Combustion air
- preheating of condensate, using the sensible heat of combustion gas sent to the stack
- supercooling of fumes, to recover their sensible heat whIle sending them to stack
- installing, whenever possible, inverters to control the motors
- engineering cogeneration (combines heat and power) or trigeneration (combined heat power cooling) systems
- developing an entropic analysis for a higher optimization of the thermal cycle
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