Method for preparing calcium carbide

Method for preparing calcium carbide

  • CN 104,528,723 A
  • Filed: 12/30/2014
  • Published: 04/22/2015
  • Est. Priority Date: 12/30/2014
  • Status: Active Application
First Claim
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1. prepare a method for calcium carbide, it is characterized in that, comprising:

  • Raw coal is carried out drying treatment, to obtain dry raw coal;

    Described dry raw coal and lime are carried out pulverization process respectively, to obtain raw coal powder and lime powder;

    Excessive described raw coal powder and described lime powder are carried out combination treatment, to obtain mixture;

    Described mixture is carried out pressure ball process, to obtain pelletizing material;

    Described pelletizing material is carried out pyrolysis processing, to obtain artificial petroleum, artificial natural gas and pyrolysis solid product, wherein, described pyrolysis solid product contains semicoke and lime;

    Described pyrolysis solid product heat is delivered in combustion bin and carries out burn processing, to obtain hot solid;

    AndDescribed hot solid thermal is delivered in closed electric furnace and carries out metallurgy, to obtain described calcium carbide.

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