亚洲另类网,亚洲综合日韩AV无码,91亚洲精品第一综合不卡播放,亚洲av无码电影在线播放,国产精品十八禁在线观看,在线成欧美成人a,香蕉精品亚洲二区在线观看,亚洲爽片在线观看,少妇高潮惨叫久久久久电影 ,久久精品成人一区二区三区

  

In order to achieve the clean quality steel, the hazard inclusions in liquid steel, such as [N] [H] [O] [S] must be removed thoroughly For these targets the VD plant is the most powerful and advanced technological facility for steelmakers 

As the same in order to achieve ultra-low-carbon stainless steel and seeking for the high results of de-carbon and hold chrome, the VOD furnace is almost the only choice, and the VOD has also the VD function 

Technical features of VD and VOD  
 Water steam injector pump with powerful evacuating capacity is applied ; 
 The process design for equipment is based on the practical experience for many years 
and advanced technology abroad ;
 Multi-points dust collection design is considered to make vacuum pump for longer 
Service life; 
 Advanced vacuum charging system with advanced sealing structure guarantee the 
operation In more reliability ;
 On the oxygen lance, the gas cell sealing set counter-weight device, slag skimmer set, 
Different driving units and clear lance position display are installed;
  On the automatic control system of vacuum furnace, the electric, instruments and computer are to be considered as an entirety Control reliable display clear, data transfer and rated foreign advanced technology guarantee to obtain optimum economic results