Design and Construction of an Energy-Efficient Furnace for Melting Non-ferrous Alloys in Local Foundry Industry

TITTAGALA, Sunil and NAVARATHNA, NPNM (2000). Design and Construction of an Energy-Efficient Furnace for Melting Non-ferrous Alloys in Local Foundry Industry. In: Proceedings of the ERU Seminar on Research for Industry - 2000, University of Moratuwa, Sri Lanka, December 2000. Engineering Research Unit, University of Moratuwa, Sri Lanka. (Unpublished)

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A study has been carried out on the types of construction and factors affecting efficiency of metal melting furnaces currently used in the non-ferrous foundry sector with the objective of developing an oil-fired furnace with improved efficiency and reduced constructional and operating costs. The project was initiated by the FDSI (Foundry Development and Services Institute) to meet a requirement of the small and medium-scale foundry industry. For example, there are many manufacturers of ornamental castings of Brass and Aluminum in the country, but they face the problem of the absence of a suitable furnace which could operate easily, efficiently and economically. Following a preliminary survey and assessment of technical data, the main factors which affect performance were identified. Based on this a new design was evolved, the main features of which are that the charge is pre-heated, the flame retained in the furnace for longer duration and the fuel pre- heated and subjected to better atomised spray. The furnace, commissioned at a local foundry, demonstrated a significant improvement in performance over conventional types and acceptance by industry. A key feature was the improvement in overall working conditions and working environment. Based on this experience, a further improved version has been constructed and installed at the Mechanical Engineering Department - University of Moratuwa as a demonstration model for industry.

Item Type: Conference or Workshop Item (Paper)
SWORD Depositor: Symplectic Elements
Depositing User: Symplectic Elements
Date Deposited: 15 Feb 2023 12:58
Last Modified: 11 Oct 2023 17:16

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