Active/High Purity/Nanometer Zinc Oxide: Zinc Carbonate Calcination

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Liaoning Dongda Power Engineering Technology Co., Ltd.

VIP   Audited Supplier 2 years
Profile Certified by SGS/BV
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Field Installation and Testing
One-Year Warranty
Flash Drying Equipment
Filter Cake
Gas
Atmospheric
Double Drum
New
DONGDA POWDER ENGINEERING
Suitable for Shipping
variable
Benxi, China
Product Description
Introduction to Zinc Oxide Drying and Calcining:

   The current zinc oxide products mainly include active zinc oxide, high purity zinc oxide, and nanometer zinc

oxide. The dynamic drying and calcination equipment developed by our company is one of the most advanced

equipment and technique for zinc oxide calcination.


Product Introduction:

   There are two traditional equipment to produce zinc oxide, one is shaft kiln, another is rotary kiln. The produced

zinc oxide is of low activity. Meanwhile, the process causes high energy consumption, serious pollution and 

tremendous waste. To solve the issue, we designed and developed the dynamic drying and calcining equipment to

produce zinc oxide with high activity and purity. The equipment is energy-efficient, environment friendly;

possessing high recovery efficiency, small floor area and high automation level.


Working Principle:

  
   The exhaust formed in the dynamic calciner during calcination enters the Sid dryer, and

the filter cake of zinc carbonate with moisture content from 30% to 50% is fed into the dryer. The dried zinc

carbonate goes through a breaker before enters the dynamic calciner, in the meantime, a hot blast stove supply hot 

air into the calciner for the calcination of zinc carbonate. Under a temperature of  400~1000 ºC, the zinc carbonate,

quickly decomposes into zinc oxide, then slides into the product silo.


Performance & Features:

1. The produced zinc oxide has high activity and high purity: activity> 80 unit, purity> 99%.

2. Heat consumption: 150~200×104kcal/ton product.

3. Energy-efficient, environment friendly; small floor area and high automation level.

4. Recovery rate> 99%


Technical Specifications:

   Annual output: 1000, 2000, 3000, 5000 tons per year.

References:


   Application of Flash Dynamic Calcination Technology in Nanometer Zinc Oxide Production

Application Examples:

1. MELOS A.S. company in Turkey: annual output of 1500 tons of active zinc oxide.

2. Shanxi Fenghai Zinc Oxide Factory: annual output of 3,000 tons of nanometer zinc oxide.

3. Taiwan Luchang Chemical Co., Ltd: annual output of 3,000 tons of active zinc oxide.

4. Henan Luoyang Zinc Oxide Factory: annual output of 3,000 tons of active zinc oxide.

5. Zhuzhou JinCheng Co., Ltd: annual output of 3,000 tons of active high purity zinc oxide.


Technical Process Of Zinc Oxide Calcination:


Other Related Pictures At Application Sites:



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