Supplies at Work: Bearings play key role in China's vertical slag mill

Supplies at Work: Siemens to provide maintenance services for the Santos GLNG Project

Siemens Energy (www.siemens.com/energy) has been awarded a contract to provide long-term maintenance services for the Santos GLNG Project (www.glng.com.au) in Queensland, Australia.

The customer is Santos GLNG, which is a joint venture between Santos, PETRONAS, Total and KOGAS. The six-year contract includes preventative maintenance, remote monitoring, parts supply, and field service for 16 small gas turbine SGT-400 industrial gas turbines (nine generator sets and seven compressor sets) spread across three Santos GLNG sites – Roma and Fairview 1 & 2.

The Santos GLNG Project is designed to convert coal seam gas (CSG) to liquefied natural gas (LNG) for export to global markets. The Santos GLNG Project includes the development of CSG resources in the Bowen and Surat Basins in southeast Queensland, construction of a 420-kilometer underground gas transmission pipeline from the gas fields to Gladstone, and two LNG trains with a combined nameplate capacity of 7.8 million tons per annum on Curtis Island.

Learn more about the Santos GLNG Project
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Supplies at Work: Bearings play key role in China’s vertical slag mill
 
The Timken Company (www.timken.com) has supplied bearings for one of China’s vertical slag mills, featuring a 5.7-meter (18.7-feet) grinding table. The mill, one of several now utilizing Timken bearings, was developed by CITIC Heavy Industries Co. Ltd., (www.citic-hic.com) one of China’s manufacturers of cement-producing equipment.

Slag is a byproduct of steel-making that, when processed by a vertical mill, becomes a key component in high-quality concrete used in roads, bridges and other infrastructure projects. According to CITIC, the new vertical slag mill produced by CITIC is expected to produce up to 1.2 million tons of ground slag annually.
 
Timken supplies both tapered and cylindrical roller bearings used in the LGMS5725 vertical slag mills that CITIC manufactures.