Wednesday, 6 March 2013

Vacuum Degassing- the stage of making the steel

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The main motive of written this article is describing the various stage of preparing the steel. You can read the full process of preparing the steel and gain the beneficial information of making the different necessary products.

Basically the degasification is the process of removing the dissolved gases from liquids. The Vacuum Degassing is basically the stage which is used to make the steel and use of this process can make the difference between mediocre casting and the perfect casting.
 There are different types of  raw material are used at the time of preparation of steel and used the different stages which is most compulsory for removing the waste material. But in this article we will discuss the most important stage of preparing the steel.

 In the Vacuum Degassing stage the molten iron leaves the oxygen furnace which is placed in the vacuum for the purpose of removing the existing hydrogen and carbon. The first stage of this process is for pouring our mixed material in a big container and uses the Gas vac pipe because the chamber size is large and set the raw material at the bottom of the chamber.

The next step is to start the pump and open the valve resultant the pump is warmed this time we are closing the valve immediately. At the time of completion the degassing some of the material are break down and indicating the process is complete. The necessity of the Vacuum Degassing is to avoid the ballooning of wrapping. The degassing time is totally depending on the roasting time. if the roasting time is longer resultant the degassing time is shorter.

 

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