VD / VOD / Vacuum oxygen decarburization Furnace

Product Detail

Usage:

   VD(vacuum degassing): in the condition of vacuum, [O],[H],[N] is removed with the condition what is the larger differential pressure. when the steel liquid is boiling with stirring by blowing argon, the [S] element is removed by what the slag was touched enough with liquid. 

   VOD(vacuum Oxygen degassing): with the ability of VD , it got another ability that can reduce the element of carbon. VOD got a blowing oxygen device. when the steel liquid got the more oxygen by the blowing device ,  [c] element what is developing [CO] with Oxygen is removed. and another ability is what the steel liquid temperature will be kept by that [CO] is developed





Capacity scope: 8 t ~ 200 t

Type of vacuum pump: Steam pump or Mechanical pump


Main parts of vacuum furnace





  

             Vacuum tank & cover                              Oxygen lance & charging                      Steam eject pump

  

          Mechanical pump                                         Hydraulic station                                 Argon cabinet




Capacity:

No.	Item	Unit	Target value	Remarks
1	Working vacuum	Pa	£67	Ultra Vacuum 20Pa
2	Exhaust time	min	£6	From beginning to reaching to 67Pa  ( empty tank )
		min	£7	From beginning to reaching to 67Pa  ( with ladle inside )
3	Period of providing molten steel	min	~45
4	Gas leakage rate	kg/h	£13
5	Temperature dropping range when vacuum-pumping	?/min	2.5-3?/min
6	Content of [H]	ppm	£1.5	Stainless steel?bearing steel
£2	Die steel, etc.
7	Total content of [O]	ppm	£15	Stainless steel?bearing steel
£30	Die steel, etc.
8	Content of [N]	ppm	£55	Stainless steel?bearing steel
£60	Die steel, etc.