ESP Maintenance with New Collecting Plate (CP) Material

Application

Industry: Biomass

ESP OEM / Information: Tai & Chyun – 1 Chamber (2 Fields)

Process: Power Generation from Bagasse

Country: Thailand

Problem

The ESP has been operating since 2014 and frequently found problem was ESP trip. Some internal parts, especially Collecting Plates (CPs) were found corroded as a result from the leakage at ESP casing as well as other related production processes. The plant had been unable to operate in full capacity due to high emission from tripped ESP; therefore, if this issue persisted, it would have affected production efficiency and revenue in the long run.

Solution

Tai & Chyun proposed replacement of CP with thicker material to withstand the effect of corrosion derived from intensive production processes. New CP with more thickness of 1.5 mm than original design of 1.2 mm and Discharge Electrode (DE) have been supplied for replacement including ESP maintenance work in order to solve the issue.

The project was completed within 19 days that consisted of entire CP replacement, random replacement of broken DE, rapping lifting rod replacement, and maintenance of the 2-field ESP. Tai & Chyun engineers were in charge of supervising installation and maintenance to make sure all parts were properly installed and aligned.

Benefit

After rehabilitation, the plant went back to normal production and ESP operation has been more reliable without any trip or spark. Tai & Chyun also provided a comprehensive report that includes maintenance recommendation for the next shutdown to keep up ESP operating efficiency of the plant.

• Collecting Plate