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KEY POINTS OF NEW SCRUB CO. PM SCRUBBER SYSTEM
The new scrubber uses technology that was developed for land based incineration systems. specialized in removing PM and acid gases from the exhaust gas from incineration plants.
The original idea was that the exhaust gas was accelerated through orifice openings which produced millions of highly turbulent mixing zones downstream of the orifice.
The advantage of this was that there was no packing involved in the scrubber design, so there is nothing to plug.
The disadvantage was that there was a high pressure drop required on the exhaust gas side which would result in a high pressure blower required to prevent a back pressure on the engine.
The new design replaces the pressure drop on the gas side with a higher pressure drop in the wash water injection nozzles.
The higher pressure drop produces 3 effects:1. The injected water is broken up into much smaller droplets at this higher pressure, resulting in more surface area for scrubbing.2. The droplets leave the nozzle at a much higher velocity than the gas stream, producing better mixing3. The droplets leave the nozzle at a much higher velocity than the gas stream, producing an eduction effect in the scrubber. This reduces the pressure drop across the scrubber.
If we look at the scrubber systems presently available, the main differences with the new design are as follows:
a. The quench section is contained inside the scrubber shell, reducing space requirementsb. The majority of the quench section is manufactured in GRE pipework, a less expensive material compared to the alloys used in existing designs.c. Depending on the size it would be possible to build the shell of the scrubber also in GRE.d. The design has no packing to plug. The mass transfer is obtained using higher injection pressure at the spray nozzles.e. The de-mister is a "vane" design, which is less likely to plug compared to the wire mesh used in existing designs.f. The water treatment plant is a pressurized design, which could result in the elimination of Return Pumps which are required in existing designs.
ScrubCo A/G
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RetrofitInstallationofScrubber
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RetrofitInstallationofScrubber
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Scrubber system schematic
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Scrubber system schematic
7
D
E
C
B
A
321 54 6 7 8
A6
SCRUBBER SYSTEM
DK-13000 TEU
WEIGHT:
A3
PROPOSED SEAWATER
8
1 OF 1 1:500DWG NO.
TITLE:
REVISIONSCALE:
DRAWING
MATERIAL:
FINISH:
DO NOT SCALE SHEET
C
2 3
E
54
e-mail: [email protected] website: www.krystallon.com
B
A
KRYSTALLON. ANY REPRODUCTION IN PART
D
OR AS A WHOLE WITHOUT WRITTEN
SIZE
CHECKED JY 17/2/09GPD 17/2/09DRAWN
NAME DATE 0.5ANGLES 0.1mm
CONSENT OF KRYSTALLON IS PROHIBITED
CLIENT
13000 TEUDIMENSIONS ARE IN MILLIMETRES
TOLERANCES UNLESS SPECIFIED:ASSEMBLIES OVERALL 3mmONE DECIMAL PLACE 0.5mmTWO DECIMAL PLACES
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF
3-6 Thorgate Road, Littlehampton, West Sussex, BN17 7LU, United KingdomTEL: +44 (0)1903 738349 FAX: +44 (0)1903 731480
1
FOR CLARITYSUPPORTS, WALKWAYS, STAIRWAYS etc OMITTED
GENERAL NOTES:
FRONT VIEWSIDE VIEWSTARBOARD
VIEW
DECK FLOORS, INTERNAL WALLS, STRUCTURAL
REAR VIEW
PORT SIDE
SHIPBOARD DIMENSIONS BASED ON SAMSUNG DRAWING MB00110.
ALL SHIPBOARD PIPEWORK ROUTES ARE INDICATIVE ONLY. FINAL SIZES AND POSITIONS TO BE ADVISED.
REV. DESCRIPTION DATE BY APPROVED
REVISIONS
A FIRST ISSUE 17/02/2009 GPD JY
FUN TOP
STR. 2
STR. 1
'G' DECK
'F' DECK
'E' DECK
'D' DECK
'C' DECK
'B' DECK
'A' DECK
LP & HP EXHAUST GAS BOILER ASSEMBLIES
UPP DECK
TOP VIEW
17MW SCRUBBERSSERVING 2-OFF
FAN MOTORDEPLUME ASSEMBLY
DEPLUME ASSEMBLY
SCRUBBERSERVING 15MW
FAN MOTORDEPLUME ASSEMBLY
DEPLUME ASSEMBLY
PLUS AUX. BOILER)(GEN. ENGINES 1-3 15MW SCRUBBER
(MAIN ENGINE)TYP 4 PLACES 17MW SCRUBBER
TYP 2 PLACESOUTLET MANIFOLD2 INTO 1 SCRUBBER
TO SCRUBBERS
STEAM DRUMSFEED MAINFOLD
SPECIAL 4-INLET
MAIN EXHAUST EXHAUST BY-PASS
68 75
3D REAR VIEW3D FRONT
VIEW
4900
8500
6300
47500 O/A SHIP WIDTH
75 68
