Ammonia recovery method in tungsten metallurgy

Ammonia recovery method in tungsten metallurgy

  • CN 101,857,245 A
  • Filed: 05/28/2010
  • Published: 10/13/2010
  • Est. Priority Date: 05/28/2010
  • Status: Active Application
First Claim
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1. the ammonia recovery unit during tungsten is smelted is characterized in that being provided with evaporating pan, condenser, steam separator, absorption tower and ammoniacal liquor receiving tank;

  • The inlet of condenser connects the hot ammonia outlet of evaporating pan, the ammonia that is not condensed of condenser and liquid ammonia water out connect the steam separator inlet, the ammonia outlet of steam separator connects the absorption tower, the top on absorption tower is provided with the hydrochloric acid import, the bottom on absorption tower is provided with the ammonium chloride outlet, and the ammoniacal liquor outlet of steam separator connects the ammoniacal liquor receiving tank.

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