Nomograph in Purifier|Gravity Disc| How to Choose Gravity Disc|(part-4)|

Description of nomograph and how to use it.
if you want to watch
PART-1- • Purifier part|explaine...
(what are all part of purifier |how purifier part are connected|)
PART-2- • Interface in purifier|...
(what is gravity disc| what is interface in purifier|)
PART-3- • Desludge Procedure of ...
(Desludge Procedure of Purifier|Purifier|(part-3)
PART-5- • FRICTION CLUTCH|PURIFI...
(Importance of friction clutch arrangements| How Friction Clutch is attached to purifier|)

[@sabarinath3031]

Why to use lowering curve in case 1 and raising curve in case 2.

[@maaransezhiyan]

why in one case upper curve and in another case lower curve?

[@ams4302]

Sir small gravity disc means small in diameter?

[@nishan0009]

nicely explained,thanks

[@MarineEngineeringHub]

Thankyou !!! You can also watch the other videos of marine engineering hub!!! I am sure you will find it useful too. Please do subscribe and share!!!!

[@sreekanthkunni2227]

How to know the specific gravity at 70deg cel!??

[@abhinayrevs6283]

Very good explanation sir thnq

[@MarineEngineeringHub]

Thank you for your support !! Please share the video with your friends!!! My aim is to bring all my marine friends to this platform where we can exchange knowledge.

[@yuvakishore1696]

hi sir,there are two cures cmng out for every density value.which one we should use for our reference

[@MarineEngineeringHub]

Hello Yuva, As you can have pointed out correctly that 2 curve coming out from every density value but to move up and down is decided by the temperature. for deciding the gravity disc and flow rate of purifier we should know the Density of fuel oil which we are using(this can be known from Bunker report) then we should know the correct temperature of purification which is normally 90-96 degree for heavy fuel oil and depending upon that we should move up and down in the curve I hope you understand. Please do subscribe and Share with your friends!!!! Marine Engineering Hub aim is to bring all our marine personnel into this platform so that we can learn and grow together.

[@yuvakishore1696]

Sir, u mean to say that lower temp limit is used for lower curve and vice veresa?

[@vijaynaik7250]

No. Suppose, The specific gravity of oil: 0.944 at 50 °C Treating temperature: 98°C Feed rate: 1250 L / h The rising curve will be drawn till 50 °C and then the declining curve will be drawn from 50 °C till 98 °C. Straight-line will be drawn from 98 °C to 100 °C. Then the two points (the point at 100 °C & 1250 L / h feed rate point) will be joined together to get the size of the gravity disc.

[@kartiksood4504]

explain the rising and lowering curve to find intersection of sp. gravity and treating oil temp ?