A kind of refining treatment method for crude zinc oxide

A kind of refining treatment method for crude zinc oxide

  • CN 107,502,756 A
  • Filed: 08/15/2017
  • Published: 12/22/2017
  • Est. Priority Date: 08/15/2017
  • Status: Active Application
First Claim
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1. A kind of 1. refining treatment method for crude zinc oxide, it is characterised in that:

  • Comprise the following steps:

    Step 1;

    stock, collection prepare tutty powder;

    Step 2;

    pelletizing, the tutty powder into step 1 adds 1-5% water, and pelletizing is shaped to by pelletizer;

    Step 3;

    rotary furnace dry method smelts removing impurities matter, the pelletizing in step 2 is added in rotary furnace, controls in-furnace temperature1000-1200 DEG C so that chloride impurity and the volatilization of other low temperature volatile impurity in tutty, the gaseous impurity of volatilizationAbsorbed by the sensing dust arrester for being arranged on rotary furnace rear end, the smart zinc oxide after removing impurities matter is discharged simultaneously from rotary furnace front end exitCollect.

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