HP Heater Tube LKG Cause
HP Heater Tube LKG Cause
HP Heater Tube LKG Cause
Published By:
87 Blue Eyes Intelligence Engineering
& Sciences Publication Pvt. Ltd.
Failure Analysis of High Pressure Heater in PT. PJB UP Paiton
Operation data about feedwater velocity in high pressure heater is taken and can be seen below
3) Numerical Analysis
Table 1 shows that the actual feedwater velocity exceeds
Numerical analysis was conducted by utilizing Gambit and
the limit. This condition can be caused by leakage in the valve
Fluent. This analysis focused on how fluid flow behavior and
before the high pressure heater.
heat transfer affect the high pressure heater tube. The result
Increased extraction steam velocity can also cause a
shows that high pressure heater tube failure may be caused by
problem to high pressure heater. This increase can be caused
the increased mass flow rate of steam, tube radial
by several factor such as shell delta pressure or decrease of
displacement that exceed maximum allowed total clearance,
feedwater temperature that entering the high pressure heater.
change in flow pattern and heat transfer and the vibration
The third cause that might possibly harm the high pressure
caused by those three major factors.
heater is the difference between inlet feedwater and outlet
feedwater.
Published By:
88 Blue Eyes Intelligence Engineering
& Sciences Publication Pvt. Ltd.
International Journal of Engineering and Advanced Technology (IJEAT)
ISSN: 2249 – 8958, Volume-5, Issue-5, June 2016
Fig. 2. Troubleshooting analysis heater is the difference between inlet feedwater and outlet
Published By:
89 Blue Eyes Intelligence Engineering
& Sciences Publication Pvt. Ltd.
Failure Analysis of High Pressure Heater in PT. PJB UP Paiton
Published By:
90 Blue Eyes Intelligence Engineering
& Sciences Publication Pvt. Ltd.