Economiser Coil

Flue gases, a byproduct of boiler combustion, take away heat that is frequently left unused. To harness this untapped energy, economiser coils are positioned strategically along the flue gas route. As hot flue gases flow through the coils, they transfer their thermal energy to the fluid, usually water. This captured heat is then recycled back into the system, preheating the feedwater before it enters the boiler.

Bending Techniques

To maximise heat transfer efficiency, the economiser coil's tubes must properly curve and line with the flue gas route. To do this, we apply two sophisticated bending methods:

Cold Bending with Booster Techniques

This procedure achieves a bend radius that matches the tube diameter (R/D ratio of one). This ideal curvature lowers pressure drops, promotes efficient fluid flow, and improves heat transmission. To prevent tube collapse or deformation, we use unique "booster" procedures during cold bending.

Hot Bending for Tighter Spaces

We use the hot bending technique when there is limited space within the boiler. This strategy allows us to attain tighter bend radii while staying below an R/D ratio of 1. Our economiser coils integrate perfectly into any boiler arrangement due to their bendability

Our coils utilise tubes with diameters ranging from a modest 31.8 mm outer diameter (OD) to a substantial 51 mm OD, catering to the diverse requirements of various boiler systems.
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Product Benefits

While the core functionality of economiser in boiler focuses on waste heat recovery, they offer additional benefits:

Reduced Emissions

While the core functionality of economiser in boiler focuses on waste heat recovery, they offer additional benefits:

Improved Boiler Efficiency

Preheating the feedwater reduces the energy required in the furnace to achieve the optimum steam temperature, resulting in significant cost savings and a more sustainable boiler operation

Extended Boiler Life

With a tolerance of +3 millimetres, our bend panels are precisely produced to an exceptional degree of straightness. This degree of precision ensures that water or steam flows through the tubes as efficiently as possible, reducing pressure drops and increasing boiler efficiency.

At RIBO, we offer a variety of designs and combinations to meet the individual requirements of each boiler system. Factors such as tube number and arrangement, finned tubes to increase heat transfer surface area, and material selection based on pressure, temperature, and flue gas composition are all considered to provide the optimal solution.

Get in touch with our team of experts!

Corporate Office

RIBO Industries Private Limited,
#9, 1st Main Road, Raja Colony, Cantonment, Tiruchi 620001,
Tamilnadu, INDIA.

Manufacturing Unit

Tiruchi - Pudukottai NH 336, Mandaiyur 622515,
Pudukkottai Dt., Tamilnadu.

Boardline: +91 875 400 8644

Email: marketing@ribo.in

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