SRP Meets Customer Demand With GE's Mobile Water
SRP Uses GE's Mobile Water to Speed Continuous Steam Blows
Case Study - Challenge
An additional 400 MW coal-fired generating unit was needed to meet customer demand by the Salt River Project (SRP) in Springerville, Arizona, U.S. To keep the project on schedule, SRP needed to perform continuous steam blows to clean the steam turbine lines prior to sending steam to the turbines. This process requires fluctuating water quantities of 300 to 2500 gpm (68 m3/h to 568 m3/h) to clean out the steam turbine lines and ready them for power production.
Case Study - Solution
SRP turned to GE to meet its water quality needs. The available water was pumped from a well into a holding pond. Because of the ambient temperature, the pond grows algae and is prone to suspended solids in the water.
To provide the quantity and quality of water needed, GE implemented the following solution:
1. Six multi-media filtration trailers, which remove algae and suspended solids in the water
2. Five MobileRO reverse osmosis (RO) trailers, which are able to produce 500 gpm (114 m3/h) per trailer
3. Nine deionization trailers to provide final polishing prior to the steam turbine lines
Case Study - Results
SRP was able to perform its continuous steam blows and clear the lines in much less time than without the GE mobile water solution. Having the consistent, high-quality water helps to shorten the steam blow from weeks to just days.
The high-capacity flow of the system allowed this difficult steam blow to be achieved without putting current power production operations at risk during the peak power production period.
The high-capacity flow of the system allowed this difficult steam blow to be achieved without putting current power production operations at risk during the peak power production period.
