Heliovis - Lightweight Pneumatic Solar Concentrator
In contrast to pricey glass-mirror based parabolic trough technologies, the inflatable HELIOtube is considerably less expensive. This is achieved through the HELIOtube’s highly durable, flexible, lightweight and recyclable plastic material.
The HELIOtube technology is an inflatable cylindri...
The HELIOtube technology is an inflatable cylindrical concentrator made of three plastic films, namely a base film, transparent film and mirror film. The mirror film divides the concentrator into two air-tight chambers running lengthwise through the tube. Small pressure differences between the top and bottom chambers arch the mirror film downward. Thus, a mirror channel is created that concentrates the sun rays onto a thermal receiver in the upper chamber.
Large homogeneous mirror
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Large homogeneous mirror
The sun light shines through the transparent foil and is reflected by the mirror film. No mirror segments which have any distortions and gaps.
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Tracing the sun automatically
Sunlight is focused on receiver tubes.
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Heating of Heat Transfer Fluid
HTF running through the receiver tubes is heated by sunlight. The heat can be widely applied for (i) heating processes and (ii) steam generation.
Applications
INDUSTRIAL PROCESS HEAT & ELECTRICITY
SOLAR THERMAL ENERGY TO REPLACE FOSSIL FUELS IN FACTORIES
- Note: Heat transfer fluid (HTF) is heated in the solar field and stored in energy storage tanks before it is diverted to a heat exchanger (HE) where it creates steam. The HTF is running through a closed loop where it flows back to the solar field where it gets heated again. Factories can benefit from steam or from electricity generated by steam turbines.
- Industrial process heat accounts to almost 25% of the global energy demand
- Energy intensive industries such as cement companies, steel manufacturers, chemicals, petrochemicals and paper factories profit substantially from solar thermal process heat
- Solar thermal process heat can be used in steam reforming, synthetic and unconventional oil production, oil refining, biomass-based ethanol production, hydrogen production, smelting, distillation and cement production to name a few
- Different temperature levels can be achieved with the HELIOtube technology depending on process heat level required and range between 80° and 400° Centigrade. Moreover, the HELIOtube technology can be used as a preheater
- -15% LoCE compared to currently available parabolic trough technologies. 16 hours of energy output per day due to excellent storability of solar thermal energy.
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