管家婆马报图今晚资料更新

  • Language:
  • chinease
  • english
  • russia
  • arba
news
Home- > News
Calcined Petroleum Coke: In order to adapt petroleum coke (green coke) to the requirements when graphite electrodes for steelmaking or anode pastes (melt electrodes) for aluminum and magnesium production are used, green coke must be calcined . The calcination temperature is generally around 1300 ° C, the purpose is to remove the volatiles of petroleum coke as much as possible. In this way, the hydrogen content of petroleum coke re-products can be reduced, and the graphitization degree of petroleum coke can be improved, thereby improving the high temperature strength and heat resistance of graphite electrodes, and improving the electrical conductivity of graphite electrodes. Calcined coke is mainly used ...

Shanghai Jianye Heavy Industry Machinery Co., Ltd. Address: No. 1389 Jinqiao Road, Pudong New District, Shanghai , Shanghai ICP No. 08511074 Shanghai Public Network Security No. 31011502002728

管家婆资料免费公开 2020管家婆手机论坛 管家婆免费版资料大全 管家婆彩图大全资料 管家婆资料大全管家婆2020 香港管家婆马报彩图 管家婆码报彩图马报料 管家婆今期码报资料 管家婆港彩免费资料大全 最准香港管家婆网站 管家婆资料大全 管家婆网站今晚开奖结果 管家婆精选高手资料 管家婆牛魔王版彩图 管家婆图香港正版 正版管家婆马报彩图 管家婆期期准免费资料2020 管家婆六肖玄机 采金网免费资料管家婆 管家婆心水报彩图大全手机版