Where are the supercritical boilers installed in India?

What is supercritical boiler?

The following extract taken from an article by Ingo Paul in Energy Issues No 19 April 1999 published by the World Bank [external link] briefly describes the difference between a subcritical and a supercritical boiler. "Supercritical" is a thermodynamic expression describing the state of a substance where there is no clear distinction between the liquid and the gaseous phase (i.e. they are a homogenous fluid). Water reaches this state at a pressure above 22.1 megapascals (MPa) The "efficiency" of the thermodynamic process of a coal fired power (sic) describes how much of the energy fed into the cycle is converted into electrical energy. The greater the output of electrical energy for a given amount of energy input, the higher the efficiency. If the energy input to the cycle is kept constant, the output can be increased by selecting elevated pressures and temperatures for the water-steam cycle. Up to an operating pressure of around 19 MPa in the evaporator part of the boiler, the cycle is sub-critical. This means, that there is a non-homogeneous mixture of water and steam in the evaporator part of the boiler. In this case a drum-type boiler is used because the steam needs to be separated from water in the drum of the boiler before it is superheated and led into the turbine. Above an operating pressure of 22.1 MPa in the evaporator part of the boiler, the cycle is supercritical. The cycle medium is a single phase fluid with homogeneous properties and there is no need to separate steam from water in a drum. Once-through boilers are therefore used in supercritical cycles. www.whizkris.com

What is the use of super critical boilers?

Supercritical boilers are used in power plants to generate steam at pressures and temperatures above the critical point of water, resulting in improved thermal efficiency and reduced emissions. By operating at supercritical conditions, these boilers eliminate the distinction between liquid and vapor phases, allowing for more efficient heat transfer and energy production. This technology helps optimize fuel use and minimize environmental impact, making it a preferred choice for modern coal and biomass power generation.

What are critical and super critical boilers?

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.

What are the differences between commercial and domestic boilers?

The boiler industry distinguishes between domestic and commercial boilers. A boiler is considered domestic if it is with the range of a 70 kW maximum limit. Any installation above 70kw is considered commercial. This is measured by the installation as opposed to the range of an individual boiler. An installation of two 50kw boilers which are connected to the same system is considered to be a commercial installation as the total amount of kW is higher than 70.

What are some critics' ideal boilers?

There are many ideal boilers for critics. Some ideal boilers for critics include the Buderus boilers, the ORLAN boilers, and lastly the Crown Boiler company boilers.

Which factory of Alstom India has successfully manufacture its first high performance mill for pulverising coal for supercritical steam power plant of 660 MW?

Durgapur

Is there any application of supercritical fluid extraction in refinery?

Supercritical fluid extraction is now used in laboratories.

When did gas insulated substation installed in India for first time?

the first GIS substation installed in India at pophali (koyana hydro project in Maharashtra in 1992.)

Why steam boilers are coil type boilers?

All boilers are not coil type think of the pork chop steam boilers AKA cast iron sectional

What are all the products made in bhel trichy?

Utility Boilers Industrial Boilers CFBC Boilers HRSG

What is the function of the Thermax company in India?

Thermax is a company based in India and Britain which offers boiler solutions and can also help with waste water. Historically Thermax is also a brand name for boilers.

What are the three basic types of low pressure boilers?

The three basic types of low pressure boilers are fire tube boilers, water tube boilers, and cast iron sectional boilers. Fire tube boilers heat water by circulating hot gases through tubes, water tube boilers circulate water through tubes that are heated externally, and cast iron sectional boilers have multiple sections that heat water as it flows through them.