VD / VOD / Vacuum oxygen decarburization Furnace

  • Description
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.jpg Oxygen lance.jpg Steam ejecting pump.png

             Vacuum tank & cover                              Oxygen lance & charging                      Steam eject pump

Mechanical pump.jpg Hydraulic station.JPG Argon cabinet.jpg

          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.




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Xi'an Huachang Metallurgical Technology Co.,Ltd

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