Combi Boiler ( Combination Boiler )

A combination boiler or commonly known as a Combi Boiler is the combination of both Water Tube boiler and Smoke Tube Boiler.

Combi Boilers are very common in India and can be used to produce and utilize steam in various industries such as Rice Mills, sugar mills, Rubber industries and many more.

How a Combi Boiler Works

Thermodyne Engineering Systems has a vast experience in manufacturing Combi Boilers. Our Combitherm models and Ultra models are both classified under Combi Boilers. Generally, the design of a Combi Boiler is an amalgamation of both Water wall (Membrane) as well as Shell and tube design.

Water wall acts as a furnace enclosure where combustion of fuel takes place. Here the tubes surround the furnace and water flows inside membrane tubes. The fuel is fed on the grates of the furnace and air is supplied through the Forced Draft Fan below the grates and as the fuel comes in contact with air and heat, combustion process takes place.

This is the zone where the maximum radiation heat transfer takes place between the flue gases and the water. After the combustion process, flue gases enter the shell and tube zone where flue gases travel through high velocity inside the tubes and water is on the shell side. This is the zone where convection heat transfer takes place between the flue gases and the water.

The basic difference between our Combitherm Model and the Ultra Model is that the shell in cases of Combitherm Model is placed in series with the membrane while in case of Ultra model, the shell is placed above the membrane and therefore Ultra has a smaller footprint as compared to the Combitherm Model.

Also Read: Packaged Boilers

Our Combi boilers are the most efficient boilers in terms of cost savings and fuels savings. Their unique water wall membrane and smoke tube shell have the benefits of both water tube boiler as well as the smoke tube boiler and so it has a combined feature of both of these designs. Our high furnace volume in Combi Boilers extracts maximum radiation heat from the flue gases at high temperatures while at low temperatures high velocity of flue gases is responsible for extracting maximum convection heat.

Also Read: Biomass Biofuel Boiler

During its course of motion, it transfers heat to the –

Water present in the tubes in the Water Wall Membrane

Water present in the Boiler shell through tubes

This type of steam boiler offers a high degree of reliability and trouble-free operation. They effectively operate at moderately high pressures and steam flow capacities, unlike packaged type smoke tube boilers.

Combi Boilers for Sale in India

Combi type of steam boiler offers a high degree of reliability and trouble-free operation. Combi Boilers effectively operate at moderately high pressures and steam flow capacities, unlike packaged type smoke tube boilers.

Combi Boiler’s Capacity Range

Thermodyne Boilers manufacture High Efficient Combi Boilers of various capacity ranges as mentioned below:-

Capacity: 1TPH – 20 TPH

Pressure: 10.54 Kg/cm2 to 32 Kg/cm2

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Also Read: Smoke Cum Water Tube Boiler

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