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Resistance heated batch furnaces are a form of electrical furnace which use heat that is generated by conductors, providing resistance to the movement of a current through them. Resistance heated batch furnaces are used extensively in heat treatment for heating before pressure shaping and for melting or drying materials. This article will outline some of the key advantages of using this type of furnace.
Resistance Heated Batch Furnace Fundamentals.
One benefit of resistance heated batch furnaces is that they can reach temperatures of up to 3000°C. Uniform heating is also possible if the heating elements are positioned in appropriate places across the walls of the furnace or by forced circulation of the furnace atmosphere.
Resistance heated batch furnaces are easy to automate, minimizing the work of personnel and allowing for the inclusion of furnaces in automatic transfer lines. They are compact, having a minimal footprint to save space.
Resistance heated batch furnaces are usually heated indirectly, with electric energy converting into heat due to a current flowing through the heating elements. This heat is then transmitted into objects inside the heater via convection, conduction, or radiation.
Better for the Environment
Resistance heated batch furnaces are more environmentally friendly than gas furnaces, producing no greenhouse gases or carbon emissions. The power that is generated by renewable sources is increasing, offering a non-polluting alternative energy source.
Resistance Heated Batch Furnaces are Energy Efficient
Electric resistance heating is easy to control, saving up to 50% of energy when compared with a furnace that does not have this level of control. Resistance heated furnaces are also extremely safe to use, requiring very little training for personnel.
Resistance heated batch furnaces are less expensive to run than their oil or gas counterparts. The price of fossil fuels has increased significantly over the last ten years. Resistance heated furnaces are also easier to maintain, reducing the long-term cost. Using batch furnaces at their highest capacity is the most cost-efficient way to run them.
Resistance heated batch furnaces are flexible, finding use in annealing, hardening of low-alloy steels, and pack carburizing. Resistance heated batch furnaces can be used for large and heavy loads and can be heated and cooled quickly.
Batch furnaces are also well suited to inert atmospheres and cleanrooms because they are closed process machines. This means that once the door of the furnace is closed, the heated chamber is sealed.
Resistance Heated Batch Furnaces from Deltech
Deltech has a wide range of resistance heated batch furnaces and a wealth of knowledge and expertise. If you would like to find out more about the advantages of these furnaces, get in touch with the team today.