Design Peculiarities of Thermal Furnace with Drum Blank Transportation Mechanism

• Published in: Steel in translation Vol. 52; no. 1; pp. 59 - 63
• Main Authors: Cheremiskina, N. A., Shchukina, N. V., Loshkarev, N. B., Lavrov, V. V.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 2022; Springer Nature B.V
• Subjects: Chemistry and Materials Science; Consumption; Exhaust gases; Fuel consumption; Heat balance; Heat treatment; Materials Science; Metallurgy; Modernization; Power consumption; Power efficiency; Power management; Technology assessment; Transportation; recuperative burner; combustion; heat exchange; heat balance; chamber furnace; ferrous metallurgy; power efficiency; resource saving
• ISSN: 0967-0912; 1935-0988
• DOI: 10.3103/S0967091222010090

Ferrous metallurgy is one of the most power-consuming industries. The metallurgy sector in the industrially developed countries reduces its specific power consumption per one ton of products by approximately 1.0–1.5% per annum. In Russia, archaic technologies are the main cause for that high power consumption of industrial products. Energy saving in industry is related to the production technology and the fuel and power resources consumption scope. Therefore, searching for ways to improve the power efficiency is focused on reducing any kind of power consumption in all processes of technology or thermal units. Economy operation providing furnace units requires detailed preliminary and verification calculations, modernization and introduction of the modern equipment. We present a scheme and the peculiarities of thermal operation of a new drum-type chamber furnace aimed at heating the metal articles for quenching. For the created design, we adduce the technical parameters of the furnace, the results of the heat-technology analysis, the heat balance, and the specific fuel consumption. The developed furnace scheme has significant fuel consumption advantages as against the roller and the conveyor methods of metal transportation. Placing the blanks on the drum significantly reduces their transportation complexity. The proposed construction, due to its small length, is compact and easy to place in a workshop. Use of a recuperative fuel-burning device makes it possible to efficiently utilize the waste gas heat in the heating process. The proposed design and the method of product transportation in the furnace working space might be applied for the heat treatment of bars, pipes, strips, as well as various shape rolled steel.