Zinc Metallurgy Multi-hearth Furnace
Zinc Metallurgy Multi-hearth Furnace
1.Basic Principles
Zinc Smelting High Quality Multi-hearth Furnace is high quality high effeicency furnace used for zinc smelting process to remove the F, and Cl elements inside.
At the condition of high temperature and a certain negative pressure, fluoride and chloride occurred physical and chemical changes, Multi-chamber furnace makes the fluoride and chloride which have low boiling point volatile and return to the gas desorption, then into the gas system removed with furnace gas and zinc oxide dust .
2.Raw Material and Quality Requirements
2.1Chemical compositions of raw material(%)
compositions |
Zn |
Pb |
F |
Cl |
As |
Sb |
content |
55-63 |
9-18 |
0.03-0.15 |
0.03-0.15 |
0.3-0.8 |
0.05-0.07 |
2.2 Physical specifications
H2O<5% particle size<5mm temperature<100°C no iron, bricks, wood and other sundries.
3.Main Tech-economic Indicators
3.1 Zinc direct recovery rate>98% capacity 90-110t/d
3.2 Defluorination efficiency>93% Dechlorination efficiency>80% total dust efficiency 1.7-2.3% total dust collecting efficiency 96%
4. Features
simple structure, high mechanical degree, low S content in roasting sand, low smoke (3-5%)
5.Project Site
5.1 Peru 1 # 2 # Multi-chamber furnace
5.2 Shuikoushan Multi-chamber furnace
5.3 Guangxi Laibin Smelter Multi-chamber furnace
5.4 Shanxi Shangluo Smelter Multi-chamber furnace
5.5 Completion Site of Guangxi Nanfang Smelter Multi-chamber furnace


Unionsum, a subsidiary of CRIMM, provides sustainable system solution for mining and
metallurgy industry, including engineering, procurement and construction, and offers a widerange of
scientific research and consultingservices.
Mining and Metallurgy Experts
History from 1953
Most authoritative and comprehensive organization in China mining and metallurgy industry
2 academicians of China Engineering Academy, 108 professors and 500 senior engineers
50 Laboratories and Pilot Plants (2 state key Labs)
Decades experiences in research and engineering service
Qualifications
Clients Visiting


Contact information
Skype: claire.zhou
M.P: 86-18890384660
Web: http://unionsum.en.china.cn
Add: 3F, Yubang Internation Plaza, No.222, Xinyao Road (S),
Tianxin District,Changsha, Hunan, China
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