Cement

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High-efficiency cement cooling

The cooling of cement is an important step prior to storage in mitigating gypsum dehydration and subsequent moisture liberation which can lead to lump formation. Recommendations vary but it is generally accepted that with mill outlet temperatures of around 110ºC – 120ºC, cooling to below 80ºC is necessary to avoid this reaction. The ideal temperature to further avoid moisture attraction while in storage (due its hygroscopic properties) is in the range of 50ºC to 60ºC.

Solex moving bed heat exchange technology is capable of handling any relatively free-flowing powder or crystalline bulk solids, making it the perfect candidate to cool cement, while using up to 90% less energy compared to direct cooling methods.

With a heat transfer area of almost 10 times that of traditional vertical powder coolers combined with up to 75 per cent less water usage, our plate-based technology offers high efficiency, effectiveness and reliability.

Proven technology through pilot testing

Extensive pilot testing carried out at the Lafarge cement plant in Exshaw, Alberta, Canada has proven that Solex technology can effectively and efficiently cool cement as part of the finish grinding process, and can provide designs for full production capacities of 50 to 200+ tons per hour.

Refer to our cooling page to understand exactly how the Solex heat exchanger works to cool cement.

Why choose Solex technology?

Uses 90% less energy compared to direct cooling methods
Near-zero emissions
Small installation footprint
Modular design ideal for capacity increases
Zero product degradation
No moving parts = low maintenance
Low operating and maintenance costs
International support

We collaborate closely with you throughout the entire life cycle of the product.

Our approach includes being there every step of the way – from engineering and development to installation, training and ongoing support.

Improve your efficiency, lower costs and improve your end product with the world’s most efficient technology for cement. Learn more about how we can help.

At Solex, we are more than just a heat exchanger manufacturer. We apply proven thermal science in innovative ways to find better, more efficient solutions to challenges both known and new.

Starting out as a division of Cominco Engineering Services (CESL) in 1989, the company was divided in 1999 to become Bulkflow Technologies. Today, we are known as Solex Thermal Science — and we have been pioneering technology in the science of heating, cooling and drying free flowing bulk solids ever since. Our patented industrial heat exchanger technology produces near-zero emissions, uses 90% less energy and produces a superior end product at a cost savings for our customers.

In 2019, we continued to solidify our expertise in bulk solids heat exchange by joining forces with Netherlands-based Mosman Stainless Steel, a worldwide leader in stainless steel. Made possible through a joint investment by the private equity firm Anders Invest B.V., our combined company provides customers with made-to-order solutions from an integrated producer of bulk solids heat exchange technology that has more than 150 years of combined experience.

We’re also now using that same technology to change the landscape of energy capture, recovery and storage. Announced in 2020, the newly created Solex Energy Science expands the boundaries of what’s possible in ways few could have predicted with innovative heat transfer solutions to applications involving high temperatures or using bulk solids as a heat transfer medium.

Our clients come to us with interesting challenges and rely on us to deliver trustworthy solutions for previously untested applications.

Rooted in science and powered by our people, we thrive on doing exactly that.

Your partner in innovation from concept to completion

We work with you at every stage of the process — undertaking complex thermal modelling to find optimal solutions, conducting pilot testing when required and ensuring your installation is both seamless and optimized. Learn more about the Solex process.

There when you need us – worldwide

Our international team of experts is ready to provide sales and technical support whenever and wherever you need. We’ve delivered customized solutions for clients in more than 50 countries.

Our operations continue to expand on a global scale.