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P. 14
INNOVATION
Barmer
Interconnection Of DEH Tank & HL/LP Bypass Tank
How & why was the problem by providing in-house Impact of solution to the
identified? fabricated cyclone breaker business?
at pump suction line to break
TG Control valves were This modification results in
the cyclonic action. Total FR
mal-functioning and getting reduction of the FR oil
oil inventory reduced from
stuck up during operation. consumption from Rs. 55
1200 liters to 800 liters per
Based upon analysis, it was Lac in FY 17-18 to Rs. 20 Lac
unit. After this, no adverse
found that said problem was in FY 18-19 (Till 30th
impact was observed on the
due to contaminations of FR November 2018)
operation of system. FR oil
oil used to operate these
quality was within
valves hydraulically.
acceptable parameters and
Turbine main control valve mal-functioning of control
and HP-LP bypass system is valves eliminated.
hydraulically controlled.
What was the challenges
Both system have separate
encountered?
oil system with oil tank. FR
Oil requirement for both tank To maintain the required NAS
is 1200 litres. and TAN of the FR oil was big
challenge considering the 16
How was the problem
solved? numbers of FR oil tanks (2 Ravi Shankar
numbers per unit) and Emp. Code: 3001662
The problem was analysed limited availability of Asst. Manager
further and it was found that purifying machine. Site: JSWE(B)L
DEH and HP-LP bypass
system tank of individual
unit can be combined into
one. During trial run, after
above modifications, sound
observed at suction side of
pump, same was overcome
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