For manufacture glass, glass ceramics method and application thereof

For manufacture glass, glass ceramics method and application thereof

  • CN 104,144,891 B
  • Filed: 02/18/2013
  • Issued: 04/06/2018
  • Est. Priority Date: 02/22/2012
  • Status: Active Grant
First Claim
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1. a kind of method for manufacturing glass,Wherein use the glass batch without arsenic and antimony in addition to inevitable raw material impurity, and by least one sulfuric acidSalt compound and SnO2As fining agent,The glass batch comprising the fining agent is wherein set to be melted in stove melting channel (1),Wherein fusing occurs in the first area (10) of the stove melting channel (1) and implements primary clarification, wherein described theIn one region (10), by average melt temperature T1It is set as T1>

  • 1560 DEG C and by the mean residence time t of melt1It is set as t1>

    2Hour, and during the primary clarification is carried out will as caused by decomposing the sulphate cpd SO3Ratio be decreased to less than0.002 weight %, andWherein implement post-defecation in the second area (20) of the stove melting channel (1), wherein in the second area (20)In, by average melt temperature T2It is set as T2>

    1640 DEG C, and by the mean residence time t of the melt2It is set as t2>

    1 hour.

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