This document discusses the design of a safe rotary furnace for non-ferrous metals. The aims of the rotary furnace design are to enhance the refractory lining life, produce high quality molten material, reduce heat losses, provide long refractory lining life, increase productivity, require less manpower, and improve safety. It provides background on rotary furnaces and their components like the rotating cylinder, refractory material, and tilting system. It also reviews literature on rotary furnace design and testing. The objective is to design a rotary furnace that meets the stated aims.

1. Design of Safe Rotary Furnace for
Non-Ferrous Metals

2. Supervisor:
Engr. Zahid Suleman Butt
Presented by:
Farukh Shahzad
Shazil Shamim
Safdar Abbas
Malik Muhammad Taimoor
18-ME-34
18-ME-61
18-ME-66
18-ME-120

3. • Corrosive Refractory lining
• Efficient mixing of raw material
Problem Statement
Title:
Design of Safe Rotary Furnace for Non-Ferrous Metals

4. Aim
To design rotary furnace with enhance lining life.
• High quality molten material.
• To reduce heat losses.
• Long Life of refractory lining.
• High productivity.
• User friendly with less manpower requirement due to less manual work.
• Health and safety.
Objective

5. Introduction
Casting is the best and effective technique used for manufacturing
products. The important accessory for casting is furnace. Furnace is used
to melt the metal. A perfect furnace is one that reduces the wastage of
material, reduces the cost of manufacturing and there by reduces the cost
of production. Of all the present day furnaces there may be wastage of
material, and the chances of increasing the time of manufacturing as the is
continuous need of tilting of the furnace for every mould and then
changing the moulds. Considering these aspects, a simple and least
expensive tilting rotary furnace is designed and developed. The Tilting and
Rotary Furnace consists of mainly melting chamber and the base.

6. The Working Principle of a Rotary
Furnace
• A rotary furnace is a barrel-shaped instrument that is rotated
around its axis when performing heat treatment.
• The sample under heat treatment to be passed from one end of
the barrel to the other. This sample transfer occurs as the rotary
furnace rotates, and this rotation can also induce some mixing or
stirring of the sample.
• When the rotary furnace is in operation, hot gases pass through
the chamber to perform the heat treatment.

7. COMPONENTS OF ROTARY FURNACE
Rotary furnaces consist of some basic components,
including the
• Rotating Cylinder:
The furnace is made up in its external part by a cylindrical vessel made
of iron plate with tow truncated cone heads solidly bolted on the outside.
• Refractory material:
Inside the rotating cylinder and in contact with the iron plate there is refractory
material.
• Rotary mechanism:
The cylinder is rotated via an electrically driven motor, gearbox,
bearings and supports arrangement.

8. • Tilting system (for tilting rotary furnaces):
The whole complex is assembled on a special base in structural steel
to ensure a rational and rigid standing.
Spillage of melted metal is done by tilting the furnace
• Gas Hood and Burner:
The burner is generally located at one side of conical opening.
Combustion air is provided by a centrifugal blower fan. An exhaust
collection hood is provided to collect the exhaust gases
from the furnace. The hood is located above the furnace.

9. Literature Review

10. Contiued…

11. References
• Development and Testing of Rotary Furnace fired with used Engine oil for Foundry Industries in Nigeria by Adewuyi R.
A.1, Adefidipe E.R.2, and Ukachi P.A1
• DESIGN AND DEVELOPMENT OF TILTING ROTARY FURNACE by V. Sai Varun1, P. Tejesh1, B.N. Prashanth1
• https://sa-foundry.com/product/modern-tilting-rotary-furnaces/?lang=en
• https://www.globalscientificjournal.com/researchpaper/Development_and_Testing_of_Rotary_Furnace_fired_with_used_E
ngine_oil_for_Foundry_Industries_in_Nigeria.pdf
• Continuous scrap melting in a short rotary furnace by Yanjun Zhang *, Peter V. Barr 1, T. Ray Meadowcroft
• https://sciencealpha.com/a-rotary-inclined-furnace-for-non-ferrous-metal/
• https://www.sciencedirect.com/topics/engineering/rotary-furnace
• Improving the rotary kiln-electric furnace process for ferronickel production: Data analytics-based assessment of dust
insufflation into the rotary kiln flame by Johanna M. Romero a, Yuleisy S. Pardo a, Maricel Parra a, Andy De J. Castillo a,
• Heriberto Maury , Lesme Corredor , Iva´n Sa´ nchez , Bernardo Rueda ,
• Arturo Gonzalez-Quiroga
• https://www.totalmateria.com/page.aspx?ID=CheckArticle&site=ktn&NM=335