Types of continuous reheating furnace continuous reheating furnaces are primarily categorised by the method by which stock is transported through the furnace. Control and documentation alternatives for melting furnaces. Crucible furnaces are small capacity typically used for small melting applications. One of the oldest style of melting furnaces, the cupola furnace, has a tall, cylindrical shape. One is the lift out crucible, second one is the stationary part means molten metal is to be ladled, next one. Pdf natural gas consumption reducing in aluminum melting.
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. Stock is butted together to form a stream of material that is pushed through the furnace. Basics of industrial glass melting furnaces iminfg. Furnace is used for carrying out not only the basic ore refining process but mainly utilized to melt the metal also. It is most commonly used type of electric arc furnace, and is shown in fig. Based on the method of generating heat, furnaces are broadly classified into two types namely combustion type using fuels and electric type. Types of furnaces for melting different types of materials. This article throws light upon the three important types of electric furnaces. Now, again there are three types of crucible furnaces. Forced convection pittype furnaces, electrically heated or gasfired. In case of combustion type furnace, depending upon the kind of combustion, it can be broadly classified as oil fired, coal fired or gas fired. Crucible furnace is suitable for the batch type foundries where the metal.
Induction furnaces from meltech ltd,tilting and crucible systems for the efficient melting of ferrous, non ferrous and precious metals. The use of multiplehearth furnaces for sludge incineration led to the development of combined multiplehearth. The most popular melting furnace in the ferrous foundries is cupola furnace. A blast furnace performs basic melting of iron ore operation to get pig iron, cupola furnace is used for getting cast iron and an electric arc furnace is used. A new generation of industrial induction melting furnaces has been developed during the last 25 years. David schwam, while the ferrous melting technologies were addressed by dr. Advanced melting technologies modern equipment company. 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. The inherent advantages and disadvantages of gas fired furnaces are provided in the next column. Melting furnace typical capacities common use melt loss thermal efficiency aluminum 46% 719% crucible gas 15 lbs 1. 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.