Pulverized coal injection method: Difference between revisions

Revision as of 06:49, 4 April 2011

Revision as of 04:24, 5 April 2011

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[[Iron]] is a most fundamental metal used for a life of human being, as it is rich in resource resulting in low price, can easily be extracted, and easily modified due to its useful material property. After an [[industrial revolution]] (18-19th century), iron becomes a core material of industrial market, its importance was referred to “iron is nation”, its productivity was directly treated as its national power. Therefore after the [[World War 2]], government vigorously supported the growth of iron industrial market; as a consequence, the action significantly contributed and influenced the development of global economy. For the various application uses, iron ore is extracted and [[smelt]]ed through a uses of metallurgical furnace called "[[Blast Furnace]]".

Blast furnace is considered to survive for another century because of its highly efficient iron production rate at competitive costs with other iron making technology. Blast furnace efficiency keep on improving by adapting with new technological support which is stimulated from the accumulated global demand, yet the main chemical process remains same. Although improvement of process does not mean solving for the problem associated in uses of blast furnace. Iron production rate is highly influenced from world economics which varies over the time and improvement of operation efficiency can be considered as one of major concerns from uses of blast furnace, however biggest drawback of blast furnace operation is its inevitable [[carbon dioxide]] production from iron reduction processes, which is considered as major contributor in [[global warming]]. Nowadays, Pulverized Coal Injection (PCI) method is internationally popular method in improving blast furnace operation.

==Pulverized Coal Injection method==

Pulverized coal injection (PCI) method has been developed in 19th century however the method was not being implemented till the 1970s. Rise of concerns in increased [[coke]] cost due to competition from accumulated demand for iron production and limiting resources, method attracted iron making industries and appealed its value.

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Better understanding of raceway and PCI method can optimize the performance of blast furnace and reduce the cost. In recent years, further improvement of PCI method, use of coal blends (mixing multiple different coals) injection method are strongly attracting industry.

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