Types of melting furnaces pdf

This article throws light upon the three important types of electric furnaces. Crucible furnace is suitable for the batch type foundries where the metal. Types of furnaces the first question usually asked by someone evaluating melting and holding furnaces is whether there is a difference between electric or gas furnaces. Stock is butted together to form a stream of material that is pushed through the furnace. Now, again there are three types of crucible furnaces. The dimensioning and the design of melting furnaces depend on the one hand on the type of scrap metals and on the other hand on the specification of the substance to. Melting furnace typical capacities common use melt loss thermal efficiency aluminum 46% 719% crucible gas 15 lbs 1. Crucible furnaces are small capacity typically used for small melting applications. Advanced melting technologies modern equipment company. Basics of industrial glass melting furnaces iminfg. Induction furnaces from meltech ltd,tilting and crucible systems for the efficient melting of ferrous, non ferrous and precious metals. Pdf natural gas consumption reducing in aluminum melting. It is most commonly used type of electric arc furnace, and is shown in fig.

So, now the furnace is the one where the molten metal is actually melted, and you will have certainly to have some heat source that is to be used for melting the. Different furnace types and designs exist, depending on the quantity of glass to be produced, the type of glass production, plus economic. Based on the method of generating heat, furnaces are broadly classified into two types namely combustion type using fuels and electric type. Control and documentation alternatives for melting furnaces. Types of continuous reheating furnace continuous reheating furnaces are primarily categorised by the method by which stock is transported through the furnace. The inherent advantages and disadvantages of gas fired furnaces are provided in the next column. Forced convection pittype furnaces, electrically heated or gasfired. One of the oldest style of melting furnaces, the cupola furnace, has a tall, cylindrical shape.