Waste Heat Recovery Boiler is a system which recovers various kinds of waste heat generated from the production process of steel, non-ferrous metal, chemical, cement etc and those equipment of industrial furnaces, refuse incinerators, industrial waste incinerators, and convert such recovered heat into useful and effective thermal energy.

The Waste Heat Recovery Boiler, also known as WHRB or Wastetherm, is a boiler that uses waste heat from industrial processes to generate steam or hot water. It is commonly used in industries such as thermal power plants, cement plants, steel mills, and chemical plants, where a significant amount of heat is released as waste.

The process gas waste heat boiler (WHB) is a critical piece of equipment cooling the hot synthesis gas exiting an ATR, a secondary reformer, or an SMR. The heat from the process gas is utilized to generate high pressure and high-quality steam for the process and to drive turbines.

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Plant managers and engineers know that energy is an expensive line item for facility operations. And the costs of natural gas and electricity only continue to rise. That’s why making sure your system operates as efficiently as possible is crucial to maintaining cost-effectiveness. This is where waste heat recovery boilers can add value to your operations.

”Waste heat recovery” is the process of “heat integration”, that is, reusing heat energy that would otherwise be disposed of or simply released into the atmosphere. By recovering waste heat, plants can reduce energy costs andCO2 emissions, while simultaneously increasing energy efficiency.

Process Industries these days are growing extensively and rapidly. While it is indeed advantageous for the growth and progress of an economy, it is undeniable that industries are one of the major contributors to the ever-increasing pollution and environmental harm. With the increasing industrial operations, there has been a resultant increase in the pollutants and greenhouse emissions from the industries that are harmful to the climate and people. Therefore, to reduce the negative consequences caused by industrial waste, process plants opt for Waste Heat Recovery Boilers for manufacturing operations.As the name suggests, Waste Heat Recovery Boilers are systems that recover or extract excess heat and convert it to useful thermal energy for utilizing it in other operations. The type and extent of wastes released depend on the industry. Therefore, Waste Heat Recovery Boilers must be resilient enough to absorb heat from different types of emissions. Rakhoh Boilers manufactures Waste Heat Recovery Boilers that are customized as both fire tube and water tube construction depending on the industrial requirements.

A large amount of the heat supplied by most fuel-fired heating equipment  is wasted as exhaust or flue gases. In furnaces, air and fuel are mixed and burned to generate heat, some of which is transferred to the heating device and its load. When the heat transfer reaches its practical limit, the spent combustion gases are removed from the furnace via a flue or stack. At this point, these gases still hold considerable thermal energy. In many systems, this is the greatest single heat loss. The energy efficiency can often be increased by using waste heat gas recovery systems to capture and use some of the energy in the flue gas.

Waste heat recovery boilers are widely used in large scale industries to recover waste heat in process and then heat water to produce hot water or high temperature high pressure steam to generate power, which can save large quantity of energy and cost for industries. But there are also some disadvantages exist.

Waste heat recovery boilers are systems used to capture and reuse heat normally lost in the manufacturing process. They are an important part of any effort to become more sustainable and reduce waste. The heat can be used to generate more steam or to power other industrial processes. Ultimately, this helps to reduce costs and improve efficiency.