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Experimental research on helical coil biomass boiler with oil as a heating fluid

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This paper presents an experimental research of helical coil biomass boiler with thermal oil heating agent. Heat exchanger consists of two coaxial helical coils swept by the flue gases. The burner is a single vertical retort connected to the fuel tank (wooden pellets). The boiler is a part of micro-power plant in which the heat from the boiler is exchanged with low-boiling HFE7100 to produce steam for a custom steam turbine. The electrical output from the power plant is designed to be approximately 2kW. Experiments have been conducted without the ORC plant section – the heat from the thermal oil is being exchanged with a glycol-water solution and dumped to the atmosphere in air cooler. The mass flow-rate of glycol solution was fixed during the experiments. The measurement and acquisition system has been designed to be able to register and automatically store all characteristic parameters such as temperatures of thermal oil on inlet/outlet from the boiler, temperatures and flow rate of flue gases inside the exchanger and stack, flow rates of air and oil. The composition of flue gases has been measured independently by a separate analyzer. Acquired data was used to create complete characteristics of the device, verify the design and recognize several adjustments to be implemented in the next prototype.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Opublikowano w:
Transactions of the Institute of Fluid-Flow Machinery strony 55 - 65,
ISSN: 0079-3205
Język:
angielski
Rok wydania:
2013
Opis bibliograficzny:
Turzyński T., Kardaś d.: Experimental research on helical coil biomass boiler with oil as a heating fluid// Transactions of the Institute of Fluid-Flow Machinery. -., nr. 125 (2013), s.55-65
Weryfikacja:
Politechnika Gdańska

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