(6-3-2), [??][x.sub.8] + [??][x.sub.2] = [??][x.sub.9] + [??][x.sub.3] + [E.sub.Dhtr] (21)
The formulations of high pressure feedwater heater
(HP-2) (Figure 13), deaerator (Figure 14), low pressure feedwater heaters
(LP-1, LP-2, LP3) (Figures 15,16, and 17), drain cooler (Figure 18), gland steam condenser (Figure 19), and ejector (Figure 20) are detailed in Appendix A.
Deaerator and Deaerator Storage Tank: After passing through three low-pressure (LP) feedwater heaters
, the water temperature is above the atmospheric boiling point.
For generating stations that need a new feedwater heater
right now, the option of going with a rebuilt unit on-site makes even more sense, as new replacement units can take a year or two to manufacture, all the while the plant is operating in a derated capacity and is forced to burn more coal.
A recent video borescope inspection of a feedwater heater
, for example, showed that some tubes had broken loose and were vibrating against adjacent tubes.
(Hicksville, N.Y.) feedwater heater
and were able to analyze a manufacturing defect that eddy current inspection was unable to detect," he said.
Holtec is also a major supplier of special-purpose pressure vessels and critical-service heat exchange equipment such as air-cooled condensers, steam generators, feedwater heaters
, and water-cooled condensers.
In the past, Godrej had a license to manufacture Yuba design Feedwater Heaters
. Feedwater Heaters
manufactured by Godrej have been supplied to NPCIL, Tata Power, GSECL, NTPC, Toshiba, among others.
He went on to make improvements to automatic sprinklers, feedwater heaters
, gas motors, dynamos and lamp carbons.
Foster Wheeler has announced that it has been awarded two contracts to supply five steam condensers and 30 feedwater heaters
for phase 3 of the $1bn Yanbu power and desalination plant in Saudi Arabia.
"The team will now focus on completing the fit out of the condenser, including the installation of the duct sections, water boxes low pressure feedwater heaters
and auxiliary systems.