After a long-term operation, large rotary kiln and grinding mill always begin to have various problems. Once a rotary kiln accident occurs, it will cause huge loss because of production stoppage. Therefore, the regular maintenance of large rotary kiln and grinding mill, and replacement of the spare parts, can effectively extend the service life of the components.

厂区大门

As a well-known service provider for large kiln and grinding mill, CHAENG can produce large mechanical spare parts (1-150tons/piece) for building materials, cement, metallurgy, mining and other industrial industries, including ball mill trunnion, girth gear, vertical mill roller and table, rotary kiln shell, support roller, etc. CHAENG is the large parts supplier for many famous enterprises such as China National Building Material Group, Shanshui Cement, Lafarge, Taimu, and Wannianqing cement, TaTa.

Rotary Kiln Shell

Rotary kiln shell

Rotary kiln can be divided into cement rotary kiln, metallurgical rotary kiln, chemical rotary kiln and lime rotary kiln according to different materials. Regardless of the type of kiln, the kiln shell is a key component of the equipment.

Making Process

After years of development and experience, CHAENG has accumulated rich experience in casting, and has a large casting base in the north of Henan. Continuously introducing advanced casting equipment at home and abroad, and optimizing the process technology, CHAENG forms a systematic production process to ensure the quality of castings.

Making process of rotary kiln shell

Process introduction

The rotary kiln shell is made of steel plate such as boiler plate and Q235C plate, requiring highly on dimensional accuracy and geometric tolerances.

Due to transportation reasons, the rotary kiln is composed of shell segments. Because the outer circle of the kiln cylinder is not processed, the perpendicularity of the end face to the center of rotation cannot be directly measured. In the process design, the perpendicularity of the end face is converted into parallelism and the coincidence of the axes at both ends according to the structure of the cylinder.

Making process of rotary kiln shell

CHAENG adopts local forming method to design specific manufacturing process and welding method of single-segment cylinder according to the detailed requirements of the drawings. After the assembly and welding of the cylinder, perform the post-weld treatment, including non-destructive testing, post-weld heat treatment and pressure resistance test to ensure the high quality of kiln shell.

Project Cases

CHAENG has strong casting and machining capabilities, and large annual output. We strictly follows the level-2 national inspection standard and implements 360° non-destructive testing system to ensure the quality of steel castings. CHAENG has close cooperation with many companies of various industries, supplying them with spare parts with good performance to improve the practical effect of the equipment and extend the service life of the equipment. CHAENG has won the high praise of customers!

Rotary kiln shell segments

  • Φ4×6.84m rotary kiln shell for Lafarge Holcim Cement

    Φ4×6.84m rotary kiln shell for Lafarge Holcim Cement

  • Φ4.8×2.47m rotary kiln shell for Jiangxi Wannianqing Cement

    Φ4.8×2.47m rotary kiln shell for Jiangxi Wannianqing Cement

  • φ4.2m rotary kiln shell for Guangdong Cement Company

    φ4.2m rotary kiln shell for Guangdong Cement Company

  • Φ4.8×8.50m rotary kiln shell for Taiwan Cement

    Φ4.8×8.50m rotary kiln shell for Taiwan Cement

Other spare parts

  • Rotary kiln tyre for Russian customer

    Rotary kiln tyre for Russian customer

  • Girth gear for Jiangsu cement company

    Girth gear for Jiangsu cement company

  • Girth gear for Turkish customer

    Girth gear for Turkish customer

  • Ball mill trunnion for Hebei cement company

    Ball mill trunnion for Hebei cement company

Only produce large kiln shell?
No, CHAENG can supply 1-150tons large mechanical parts according to drawings.

Other steel casting spare parts

Besides rotary kiln shell segments, CHAENG also launched a full range of spare parts services fro rotary kiln and grinding mill, including rocker arm, grinding roller and grinding table for vertical roller mill; girth gear, support roller and riding ring for rotary kiln; girth gear and trunnion for ball mill, to provide customers with large mechanical spare parts needed in the whole kiln and mill, meeting the needs of different industries.

Other spare parts

The Strength of CHAENG

CHAENG is a member of China Foundry Association and Henan Foundry Association. It is the first batch of announcement enterprises in Henan Province that meets the “Entry Requirements for Foundry Industry” and is a large steel casting production base in northern Henan. CHAENG, with an annual production capacity of over 30,000 tons, mainly produces carbon steel, manganese steel and high alloy steel castings with a single weight of 1-150 tons according to drawings.

Production strength

  1. Large machining workshop

    Large machining workshop

  2. Large assembly workshop

    Large assembly workshop

  • 6.5×6.5×16m Annealing furnace

    6.5×6.5×16m Annealing furnace

  • WA11-120 CNC bending machine

    WA11-120 CNC bending machine

  • Edge planer of 16m in length

    Edge planer of 16m in length

  • Φ8m double column heavy vertical lathe

    Φ8m twin column heavy vertical lathe

  • Large lathe for machining kiln shell

    Large lathe for machining kiln shell

  • 100T large crane

    100T large crane

Testing equipment

  • Universal strength tester

    Universal strength tester

  • OBLF direct-reading spectrometer

    OBLF direct-reading spectrometer

  • Electric vibrating screen

    Electric vibrating screen

  • Hammer sampling machine

    Hammer sampling machine

Contact Us

Telphone86-371-55019608
E-mailcasting@chaeng.co
AddressMengzhuang Town,Huixian City,Henan Province, China
Whatsapp+86 18737831240
SkypeGreatWall1958
Fax86-371-55019608

Technical Support

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