Thermal Power Plants: What is a negative DRAFT? – Quora

Draft is a very low pressure, often in the units of mmWC (Millimeters of water column), maintained in a closed atmosphere or an enclosed body. In a thermal power plant, the Boiler or Steam Generator is a Closed Body, the ducts, the ESP and the Chi…

Vacuum hot water boiler is an ideal solution for heating supply, gas and oil are available to be used in the heating boiler. There is completely deoxy purified water in the furnace, so there is no corrosion and incrustation. Working in the negative pressure, vacuum hot water boiler has zone explosion in record.

Images of vac negative pressure boilers in indian

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Steam Cleaners – Santoni India

"We had procured Santoni High Pressure Water Jet Cleaner and we are using the equipment for the past one year and the performance of the machine as well as after sales service is found to be satisfactory." Veer Hues Limited "We are using Machine Vacuum Cleaner Wetpik-200 B at out plant in Gurgaon from the last 15 years.

Why the pressure inside the boiler of thermal power plant

Two primary reasons: First