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heat exchange technology is capable of cooling bulk solids from up to 2,000°C indirectly by conduction, consuming up to 90% less energy. It’s engineered to handle substantial thermal stresses without cracking or damage, while offering guaranteed thermal performance for a superior end product
Waste heat can be recovered and used elsewhere in the facility. No air is ever in contact with the product, virtually eliminating emissions, fines, bacterial and odour contamination.
A vertically oriented modular design uses little floor space and is easily expandable should capacity requirements increase.
Watch the Solex heat exchanger in action:
Free-flowing bulk solids pass slowly downward between a series of vertical hollow heat exchanger plates.
Water or gas pass through the plates to cool bulk solids indirectly by conduction.
The mass flow discharge feeder creates uniform product velocity and regulates product flow rate.
Bulk solids pass through the vertical cooler by gravity, using no moving parts.
Our heat exchange technology cools bulk solids using indirect heat transfer by conduction to substantially reduce energy requirements.
Heat recovered by indirect cooling can be made available as high-grade heat, pressurized water, thermal oil or sCO2 that can be used as a heat source elsewhere in the facility or converted into electrical power.
During the cooling process, heat from the bulk solids is transferred to the cooling air, producing clean, hot air that can then be used elsewhere in the process — a good example being as hot combustion air going to the burners.
We use proprietary thermal modeling software to accurately predict the product temperature profiles of bulk solids at every point through the heat exchanger for remarkably stable and uniform final product temperatures.
Since the air used for cooling the bulk solids never comes into direct contact with the product, the risks of bacterial or odour contamination are virtually eliminated, as are emissions, dust and fines.
The slow and controlled movement of the bulk solids material prevents product abrasion and degradation so there is no change in particle characteristics or quality.
With its compact and modular design, our heat exchange technology takes up very little floor space when compared with other cooling equipment and can be easily installed in new or existing facilities. In addition, you can quickly and easily as capacity as needed.
Our heat exchange technology use a counter-flow design and proprietary air injection system to secure the temperature profile of your materials and prevent condensation from forming inside the unit.
The vertical orientation of the plates (as opposed to other solutions with U-profile plating) drastically reduces the risk of caking.
Every plate is connected individually with flexible hoses, enabling you to remove single plates for repair, replacement and cleaning. Other plates can be used as usual, reducing operational downtime.
The individual plate arrangement also allows for thermal expansion and reduces the risk of cracking compared to older solutions with plates welded to manifolds.