Zhengzhou Vipeak Heavy Industry Machinery Co., Ltd.

China Manufacturer with main products: Jaw Crusher, Impact Crusher, Hammer Crusher, Mobile Crusher, Sand Making Machine, Sand Washing Machine, Ball Mill, Raymond Mill

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Rotary Kiln for Calcining Calcium Carbonate Zinc Oxide

Payment Terms: L/C, T/T
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Henan in China

Quick Details

  • Brand Name: ZK
  • Refractoriness (Degree): Common (1580< Refractoriness< 1770)
  • Al2O3 Content (%): 35%
  • Material: Alumina Block
  • Shape: Block

Specifications

[Introduction]
Zinc oxide rotary kiln Is the calcination equipment used for processing the zinc-bearing materials to get the zinc oxide. the zinc oxide rotary kiln manufactured by ZK Corp. Is specialized used and designed for the production of zinc oxide, as the zinc oxide exists in powdery. Because the zinc oxide is very fine powder, so we have to make a special rotary kiln for zinc oxide production, that is what we say now " zinc oxide rotary kiln".


[Application]
Mainly used in building materials, metallurgy, chemical, refractory materials, environmental protection industries, chemical products - water zinc sulfate, zinc sulfate heptahydrate, refractories, the zinc oxide is the main raw materials for the production of steel-making zinc ball. for Building construction, it is widely used in the production for containers, fire board, arts and crafts, vegetable greenhouses, wall insulation board, activity board, asbestos etc. Because of good adsorption, low melting point, so it is also used for paint coatings refractory bricks, magnetic materials, ceramics, rubber tires etc.

[Working Principle]

Zinc oxide rotary kiln Working principle is the whole process and principles of the calcined zinc, zinc-containing materials. Generally it adopts the zinc oxide rotary kiln to process of the zinc-containing filter cake. the zinc in the filter cake mainly exists in the form of zinc ferrite, oxide and sulfate. under the high temperature in the rotary kiln, the zinc ferrite and solid carbon will produce the reaction for oxide-reduction, then it will get the zinc, at the same time lead and cadmium sulfate also be reduced, will volatilize in the form of sulfide and gold bucked out. The reduced and volatilized metal from the solid phase will be re-oxidation, and finally will be produced in the form of oxide. 

Note: the amount of air into the zinc oxide rotary kiln should ensure that the flue gas has sufficient oxygen to re-oxidize all the metal vapor, sulfide and carbon monoxide. Increasing the amount of air in the zinc oxide rotary kiln will increase the recovery zone to the feed end. On the contrary reducing the amount of air, the reduction area is shortened and the starting section of the reduction zone extends toward the discharge end.
 


Rotary Kiln for Calcining Calcium Carbonate Zinc Oxide

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