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Henan Yuheng Machinery Manufacturing Co., Ltd

Products >> Ø3.0*45 ROTARY KILN

Ø3.0*45 ROTARY KILN

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Description
Product Name: Ø3.0*45 ROTARY KILN
Supply Ability: 20 sets per month
Related proudcts lime kiln, kiln manufacture, kiln supplier,
Specifications Specificttions(m) Kiln demensions Output(t/h) Rotation speed(r/m
Price Term: FOB
Port of loading: Qingdao/Tianjin
Minimum Order 1 SET
Unit Price: EXW USD 10000-100000

The kiln is a cylindrical vessel, inclined slightly to the horizontal, which is rotated slowly about its axis. The material to be processed is fed into the upper end of the cylinder. As the kiln rotates, material gradually moves down towards the lower end, and may undergo a certain amount of stirring and mixing. Hot gases pass along the kiln, sometimes in the same direction as the process material (co-current), but usually in the opposite direction (counter-current). The hot gases may be generated in an external furnace, or may be generated by a flame inside the kiln. Such a flame is projected from a burner-pipe (or "firing pipe") which acts like a large bunsen burner. The fuel for this may be gas, oil or pulverized coal.
Construction
The basic components of a rotary kiln are the shell, the refractory lining, support tyres and rollers, drive gear and internal heat exchangers.
Kiln Shell
This is made from rolled mild steel plate, usually between 15 and 30 mm thick, welded to form a cylinder which may be up to 230 m in length and up to 6 m in diameter. This will be usually situated on a east/west axis to prevent eddy currents.
Upper limits on diameter are set by the tendency of the shell to deform under its own weight to an oval cross section, with consequent flexure during rotation. Length is not necessarily limited, but it becomes difficult to cope with changes in length on heating and cooling (typically around 0.1 to 0.5% of the length) if the kiln is very long.
Refractory Lining
The purpose of the refractory lining is to insulate the steel shell from the high temperatures inside the kiln, and to protect it from the corrosive properties of the process material. It may consist of refractory bricks or cast refractory concrete, or may be absent in zones of the kiln that are below around 250°C. The refractory selected depends upon the temperature inside the kiln and the chemical nature of the material being processed. In some processes, such as cement, the refractory life is prolonged by maintaining a coatin

Contact Us
Company: Henan Yuheng Machinery Manufacturing Co., Ltd
Contact: Ms. Cicy Hu
Address: NO.68 West Fourth Ring Road,Zhengzhou Cicy, Henan Province, China
Postcode: 450000
Tel: 86-0371-67857779
Fax: 86-0371-67857912
E-mail:         


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Tel : 86-0371-67857779 Fax : 86-0371-67857912
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