Technology pathology of glass furnaces in contemporary factories in the suburbs of Tehran

. In the process of making glass-blowing works, different glass-making furnaces are used, and it is necessary for each of them to be lit at certain hours of the day or continuously, depending on its nature.
This research aims to study and investigate the condition of glass blowing furnaces in modern factories in Tehran and tries to answer the question that what are the types of furnaces used in glass blowing factories and what are the problems and disadvantages in them that cause economic and quality problems. Is it made in glass factories? Therefore, this research is applied based on its purpose and descriptive-analytical based on its nature and method. The method of collecting its information is done in library and field method.
By studying and investigating the active glass blowing workshops in Tehran and the classification of the furnaces used and the pathology of each one, it is clear that the glass blowing furnaces in the suburbs of Tehran are still built and operated in traditional ways. takes The furnace in the glass blowing workshop is divided into three types of melting furnace, remelting furnace and stress relieving furnace. The structure of the melting furnace has more sensitivities in the field of body design and construction due to its relationship with molten materials and requires the use of refractory materials. This is despite the fact that in industrialized countries, crucible melting furnaces are used. In the design of the structure of the remelting furnace, due to its use, the factories are faced with a lot of energy loss, which is why the factories have limited their working hours..