Please enable JavaScript.
Coggle requires JavaScript to display documents.
BOG handling - Coggle Diagram
BOG handling
Accumulation
GCU, AUX.or composite boiler
For BOG free flow option
Operating condition
(
NSG
)
VLAC
96 ~ 540
kg/h (
4~6
bar)
15K CNTR
to be reviewed
157 COT
to be reviewed
SAACKE
, KANGRIM, ALFA LAVAL
w/o
Economizer
Re-liquefaction
15K CNTR
(priority)
BOG Compressor
(abt.
200 kg/h
)
100kW
(as cooling capacity) w/
50 kW
(as power consumption)
Oil free type.
Oil lube. type
(<
0.7 ppm
)
Screw type
DONGWHA 뉴택, MYCOM
Suction flow : 300 kg/h
Sub-cooling
Air liquid 문의
Collecting tank
Holding time
IGF
15 days
CCC9
undefined (need clarification)
[LR]
: minumum 15 days, available at all time
[DNV]
: infinite
[ABS]
: 15 days remains valid (until ABS requirement revised)
CCC10
to be updated...
Storage options
Pressurized
(pressurize upto 18 bar)
Excluded option?
Alternative design needed (CCC)
Refrigerated
Semi-pressurized / refrigerated
Type A tank (MARVES :0.7 bar)
BOG handling
method needed (
provision
)
Type C Tank (MARVES: 4 bar)
BOG handling
method needed (
provision
)
1. Accumulation + BOG free flow w/ GCU (Em'cy)
2. BOG comp. with GCU + Accumulation + Free flow w/ GCU (Em'cy)
3. Re-liquefaction + Accumulation + Free flow w/ GCU (Em'cy)
Operating case
W/O Fire case & Emergency case
Tank return
(
normal operation
)
To be reviewed of
addtional BOG
due to
Tank return flow
Bunkering case
Loading time / procedure
to be revied
10 hr loading
condition (
present
)
157K TK : 800m3/h
15K CNTR : 1800m3/h
BOG handling equipment not required (Vapor return)
Vapor treatment
Redundant BOG handling method (Em'cy)
Scrubbing / Absorbing of BOG into water (concept)
[ABS] :red_cross: acceptable
[LR] : Refer to UR-H1
[DNV] : Not allowed (shall not release gas)