Conference Paper

Smart Gas Furnace

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In recent times, the use of furnace in industrial sectors has increased. Furnace deals with high temperature for melting and die casting purpose. The smart gas furnace basically made by G.I metal sheet (outer part of the furnace), solenoid valve, ceramic fiber, Plaster of Paris, black fire cement, crucible and gas as a fuel. Among different types of furnace, higher efficiency can be achieved from smart gas furnace. A smart gas furnace is the minimum expensive melting process introduced for melting any types of metal or alloy compared with other furnace. The objectives of this project work are to control the flow of gas for maintaining the required temperature inside the furnace and melt the material. The goal of this project work is to build a gas fired crucible furnaces and develop a controlling system which provide more benefit compare with other furnace. In this project Arduino is used to maintain the required temperature inside the furnace by switching the solenoid valve which controls the flow of gas. Whenever the temperature reaches the desired temperature the gas flow will automatically stopped by solenoid valve resulting in minimum gas loss. Which will reduce fuel cost. Thermocouple is used as a sensor. It continuously sends data (temperature) to Arduino, and by comparing the both data (required temperature and available temperature inside the furnace) the Arduino switches the solenoid valve.

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... Those furnaces might house up to thirty graphite furnaces. Each is packed with 60-100 kg of iron and selected alloys [5]. The last decades of the 20th century have seen an increase in the use of industrial furnaces. ...
... It is widely popular for warming and treatment of materials. The execution of the furnace depends upon complete burning off energy with the lowest excess air (Rahman et al., 2019). The execution of the furnace range is between 7 and 90%. ...
Steel and iron manufacturing, nonferrous metal production, glass production, ceramic processing, and the creation of various forms of items all rely on material production. High temperatures are used in furnaces for smelting and recycling. An electric furnace may be suitable as natural gas is not widely available everywhere. Bangladesh's melting and recycling machinery is powered by a traditional gas furnace, which is expensive and inefficient. By recycling and reusing scrap metal, natural ore, and alloys, the suggested model has the potential to revolutionize, reducing the build-up of natural energy alloys, gas, and ores. The proposed electric furnace has an enclosed form and uses electricity to generate heat efficiently. To melt reusable metals, electronic materials, and waste materials, an electric furnace system based on the Arduino Mega as an alternative to the PID controller with Solid State Relay has been developed, which will manage and control the temperature around 1350 °C (1623.15 K or 2462 °F) by collecting data from the furnace thermostat. This model is made of stainless steel, with a steel frame for the outer shape of the furnace body and control box, a ventilation hole for removing hot gas from inside the furnace, an airtight door for opening the furnace chamber, a digital temperature controller with a furnace B-type thermocouple for measuring and controlling temperature, an ELB for safety, and heat insulation materials with a Nichrome80 heating element in the chamber. The model uses an Arduino Mega to regulate power and temperature while reducing heat loss via the furnace body, reducing time delays, and increasing efficiency. The findings demonstrate that the desired temperature is reached fast and with less electricity than the other electric furnaces, indicating that the model is energy efficient. The smelting temperature for aluminum, copper and other similar materials has been effectively covered. This model has better efficiency since there is no heat loss. The melting and recycling processes will help the furnace-related sectors the most. However, this could be especially beneficial for a developing economy like Bangladesh, where gas and fuel are expensive.
How furnace is made -making, history, used, components, structure, industry, Raw Materials, Design
How furnace is made -making, history, used, components, structure, industry, Raw Materials, Design",, 2019. [Online]. Available: [Accessed: 05-Feb-2019].
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Tameson",, 2019. [Online].