wood and coalfired IBR steam boiler with a capacity of 400 kg/hr is a type of industrial boiler used to generate steam for various applications. The fuel is then burned in the combustion chamber, generating heat that is transferred to the water in the boiler is tubes to produce steam. The boiler is designed to comply with Indian Boiler Regulations (IBR), ensuring its safety and quality. Overall, a Wood and Coal Fired 400 Kg/hr Capacity IBR Steam Boiler is a reliable and efficient solution for industrial applications that require a constant supply of steam.