Page 14 - Cover options
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






    10
   9   10   11   12   13   14   15   16   17   18   19