A Heat Recovery Steam Generator, or "HRSG" is a boiler that captures or recovers the exhaust of a prime mover such as a combustion turbine, natural gas or diesel engine to create steam.
Stated another way, a HRSG is used to recover energy from the hot exhaust gases in power generation. It is a bank of tubes that is mounted in the exhaust stack. Exhaust gases as much as 800 °F to 1200 °F heat these tubes. Water is pumped and circulated through the tubes and can be held under high pressure to temperatures of 370°F or higher which can be boiled to produce steam.
Furthermore, the HRSG separates the caustic compounds in the flue gases from the occupants and equipment that use the waste heat. HRSG's are found in may combined cycle power plants.
WHRB or Waste Heat Recovery Boiler
Waste heat recovery is the process of capturing heat discarded by a current industrial process and making use of that heat for other applications. Waste heat recovery involves capturing and reusing the waste heat on the industrial processes. Waste heat recovery boiler or HRSB boilers are used in many industries, such as steel and iron industry, cement plant, carbon rotary, glass industry, etc. And the factors driving waste heat recovery market are increased rise in government regulatory requirement, increasing concern towards environmental protection, rising concern for energy prices, plus the reluctant by using waste heat management. Anyway, the waste heat recovery boilers have huge potential in energy and heating market.
sinter cooler waste heat boiler
http://www.zgindustrialboiler.com/project/sinter-cooler-waste-heat-system-boiler.html
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