The rotary kiln widely used for metallurgical industry, magnetizing roast of poor magnetic iron ore, oxidizing roast of Chromite; metallurgy roasting of refractory plant and clinker roasting of aluminium plant, aluminium hydroxide; chrome ore and chrome powder roasting etc. The rotary kiln belongs to drum rotation machine. There are two types of oxidation pelletizing rotary kiln and metallurgical rotary kiln. The main structure consist of support device, shell, driving device, sealing hoods of head and tail, structure cooler, sealing device of head and tail etc.
 
NHI is the first rotary kiln manufacturer of China which has over 50 years’ experience in design and manufacture of rotary kiln, and has successfully designed and manufactured hundreds of rotary kilns, with a maximum diameter of 8.28 meters and a maximum length of 165 meters. 

The rotary kiln developed by NHI is characterized by advanced structure, low investment cost, low failure rate, low operation cost and convenient maintenance, which is widely used in:        
   
@ Nonferrous Metallurgy Industry: such as alumina roasting, copper oxide reduction, Zinc Oxide reduction, tin concentrate arsenic removal, ferronickel reduction roasting, tungsten concentrate roasting, chromite pellet pre reduction, titanium dioxide roasting, kaolin roasting, etc;           

@ Black metallurgy industry: such as magnetization roasting of lean iron ore, pellet roasting of blast furnace, direct reduction of pellet, etc;           

@ Chemical industry: such as lithium carbonate acid roasting, carbon products calcination, etc.           

NHI has the ability of core manufacturing and complete supply of rotary kiln, and has adopted many advanced technologies in product design, such as multi segment ring gear technology, new sealing technology, wireless temperature measurement technology, etc. A new design concept has been adopted for the design of transmission device, kiln head and tail seal, intelligent centralized lubrication system, supporting device and core parts, etc., with multi scheme optimization selection to achieve reasonable resource allocation.           

NHI has comprehensive independent design and development capabilities, rich experience in large-scale equipment production and manufacturing, and can provide professional technical guidance and support, and perfect pre-sales and after-sales services.