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SPESIFIKASI TEKNIK :
1. Construction
Combi Steam Boiler System, Water Tube and Fire Tube with Water Cooled Combustion Chamber Furnace. Manual balance draft system into the furnace, Automatic fuel feeding system for coal
2. General boiler data
2.1. Model : PCB 3T-10
2.2. Type : Horizontal combi 3 phase fire tube
and water tube steam boiler
2.3. Standard design : American Standard (ASME – Code)
2.4. Steam output : 3000 Kg/h. of saturated steam
2.5. Design pressure : 13 Kg/cm2G
2.6. Test pressure : 15 Kg/cm2G
2.7. Max working pressure : 10 Kg/cm2G
2.8. Heating surface:
- Radiant heating surface : 14.58 M2 (approx)
- Convection heating surface : 50.47 M2 (approx)
2.9. Fuel : coal (5800 kcal) size maksimal 20 mm
2.10. Material specification
- Boiler plate : HII DIN 17155 / SB-42 JIS G-3103
- Boiler tubes : ST.35,8-I / STB 340 S-H
2.11. Test methods : Water Pressure Test
2.12. Electric : AC 50Hz - 380 Volt
- 380V : for motors (3f)
- 220V : for controllers & instruments. Controller signal
3. Scope of Works
3.1. Boiler drum
Materials:
Body shell : Boiler plate DIN 17155 HII / SB-42 JIS G-3103
Tube plate : Boiler plate DIN 17155 HII / SB-42 JIS G-3103
Fire tube : Boiler Tube DIN 17175 Gr I / ST 35.8-I / STB 340 S-H
3.2. Water tube furnaceTop of furnace chamber with water cooled tube steam boiler complete with combustion furnace chamber, and fire brick.
Materials:
Water tube : Boiler Tube DIN 17175 Gr I / ST 35.8-I / STB 340 S-H
Header : Black seamless pipe Sch40 ASTM A106 Gr-B
3.3. Pulverizer Coal Burner Model MJT 500Kapasitas : 500 kg/jam
Motor : 18.5 KW
Putaran : 2900 rpm
Screw feeder : 1.5 kw
Chamber : Diameter 1100 x 2500 mm
Blower : 1.5 kw
3.4. Induce draft fan
Type : Radial turbo fan
Capacity : 7700 m3/h
Static pressure : 2240 Pa
Shaft : ST60
Impeller and casing : Plate Ms/Ss400
Bearing : Plummer block bearing
Power : 11Kw/15Hp, 3Phase, 220-380Volt – 50Hz
3.5. Force draft fan
Type : Radial turbo fan (direct couple)
Capacity : 2400 m3/h
Static pressure : 2000 Pa
Material : plate Ms/Ss400
Power : 4Kw/5.5Hp, 3Phase, 220-380Volt – 50Hz
.6. Cyclone Ash collector
Type : Cyclone ash collector
Cyclone : Size f1000x4000mm Height
Material : Plate Ms/Ss400
Support : UNP 100 x 50 & Siku 50x50
3.7. Wet scrubber
Type : Irregated Cyclone
Cyclone : Size f1000x3000mm Height
Material : Plate Sus 304
Support : UNP 100 x 50 & Siku 50x50
Water pump : 5 m3/jam
3.8. Chimney
Size : f400x15m Height
Materials:
Body shell : Plate Ms/Ss400
Support : Steel wire roof
3.9. Boiler feed pump
Type : Vertical multistage pump
Capacity : 4 m3/h
Head : 120 m
Quantity : 2 (two) units (1 units operation – 1 unit stand by)
3.10. Water level gauge
Size : Dn20 Pn40 350 mm C/C
Quantity : 2 (two) unit
3.11. Safety valve
Quantity : 2 (two) units for the upper steam drum
3.12. Boiler control panel
Electric panel control with automatic pressure witch control & water level control for boiler operation
Materials:
Contactor / overload :
Box panel : Plate Ms with powder coating
Cable installation : Type NYY cable
Cable control : Type NYYHY cable
Accessoris:
Automatic pressure switch
Boiler water level control
Feed water level control
