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Compressors keep Middle East cement operation fresh

Like most cement plants, OCC requires air for plant and instrument air, pneumatic conveyors and for aeration in the cement silos.

OCC employs 16 Atlas Copco GA 160 oil-injected screw compressors, two ZA 6 single-stage, oil-free screw compressors and ZS 30 rotary screw blowers.

Since 1983 OCC has symbolised Oman’s drive for self-reliance in core industries and contributed greatly to the construction industry, striving to consolidate the nation’s efforts towards infrastructure development and create resources to achieve

With a manufacturing facility that is ISO 9001 and ISO 14001 certified, OCC’s products meet global standards for performance and quality and reflect the company’s commitment to customer satisfaction.

OCC has installed 16 Atlas Copco GA 160 oil-injected screw compressors, several of them with the variable speed drive (VSD) feature, at various locations throughout the plant.

GA compressors incorporate the latest generation of Atlas Copco’s state of the art compression elements based on innovative asymmetric rotor profiles, a high quality drive system and heavy-duty air inlet filters.

All these components are selected to operate continuously in the toughest conditions and at ambient temperatures up to 55°C/131°F.

The GA VSD units reduce energy costs by an additional 35 per cent on average by automatically adjusting the air supply to meet air demand.

In the harsh and dusty environment of a cement plant, Atlas Copco ZA 6 single-stage compressors feature an integrated variable speed drive to provide a reliable supply of oil-free air at minimal energy costs, ensuring production continuity.

The ZA 6 unit incorporates Atlas Copco’s proven screw technology, stainless steel coolers, AGMA A4/DIN 5 gears and state of the art electrical drive systems, all of which contribute to overall high reliability.

The ZS 30 oil-free blowers are used in aeration applications in the plant’s silos. Incorporating Atlas Copco’s proven screw technology, the ZS blower reduces energy costs by an average of 30 per cent when compared with lobe technology.

OCC’s maintenance manager Ziad Al Siyabi and his team have been instrumental in upgrading the medium compressed air systems at the plant. One of the main issues at a cement facility is the dust, which creates huge problems for air-cooled compressors.

Therefore, OCC has constructed a dedicated compressor room with dual filtration screens to help eliminate this problem, which has increased reliability and reduced maintenance and energy costs as a result.

“In order to meet our quality commitment, we need committed business partners who are geared to deliver the highest performance and 24/7 support,” Al Siyabi said.

“Atlas Copco, over the years, has been able to deliver this through its huge compressed air equipment product portfolio and high quality service support through [local distributor] Bin Salim Enterprises, which makes it an automatic choice for our compressed air requirements.”

“With the success obtained so far at OCC, the Atlas Copco oil-free air team is quite confident about supporting OCC and meeting its high expectations with new, innovative solutions that deliver reliability and energy efficiency,” Atlas Copco’s country manager for Oman Tony van Herbruggen said.”

Source: Atlas Copco Compressors Australia

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