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critical boiler operating steam parameter 221.12bar and 375 centigrate . you can rise in pressure and temperatureabove the critical point. that is called supercritical boiler.

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Q: What are critical and super critical boilers?
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How high can steam pressure achieve?

Steam pressure can be raised as high as the rating of the steam generator. Some super-critical steam generators actually operate at over 15,000 psi. Critical pressure/temperature for steam is 3206 psia, and 705^F. This is the point at which steam and water are indistinguishable from one another. All critical and super-critical steam generators require forced flow, (the water/steam is pumped through the generator). The temperature or the pressure can be raised above critical values, with the use of specialized equipment. Generally speaking, non-forced flow boilers can only achieve about 1500 psia, as the density of the steam approaches the density of the water, preventing natural circulation.


What is marine boilers?

boilers which are used in ships called as marine boliers.


What are the uses of boiler?

To generate steam to drive turbines to generate electricity, Steam used for air conditioning systems, heating ,hot water ,process applications, driving steam engines , boilers to run ships using super heated steam, auto clave's, portable heat /hot water for buildings. smaller boilers to generate power to run cars


How do condensing boilers work?

Condensing boilers are designed to increase energy efficiency by using the wasted heat from flue gases to heat water up before it even reaches the main boiler. These boilers are very energy efficient and are mandatory or preferred in many countries.


What is super critical technology?

»The supercritical technology is nothing but the thermodynamic where there is no clear distinction between the Water and Steam phase in the Rankine Cycle•Water reaches to steam state at a critical pressure above 22.1 Mpa.