High Pressure Boilers

2,311 views
2,136 views

Published on

Air compressors
Pump house
Steam header
Feed water System
Operating Parameters
Fuel Gas path
Ash content vs fuel efficiency
Operating alarms
operating instruments on panel

Published in: Technology, Business
0 Comments
3 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
2,311
On SlideShare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
114
Comments
0
Likes
3
Embeds 0
No embeds

No notes for slide

High Pressure Boilers

  1. 1. HP BOILERS
  2. 2. HP BOILERSSr Parameter OV Unit alarm Sr Parameter OV unit alarno no m1 Main steam pressure/Drum 85 Kg/cm2 22 Primary SH before Attmpt. 354 0c pressure 23 ESP outlet flue gas 129 0c2 Main steam temperature 463 0c3 Drum level 336 Mmwc 24 ESP 1A 20/135 Ma4 Oxygen 8.56 % 25 ESP 1B 40/160 Ma OPERATING PARAMETERS5 FD air 36.5 M3/hr 26 85/46 PRV open % 156 Furnace draft 0 Mmwc 27 PDM tank temperature 50 0c7 ID Suction draft 26 Mmwc 28 PDM tank level8 FD Discharge dreaft 27 Mmwc 29 Instrument air pressure9 Pressure under grate 14 Mmwc 30 Ash Hooper level10 Draft Eco in 5 Mmwc 31 Deaerator level11 Draft eco out 40 Mmwc 32 85/46 pressure 42.5 Kg/c212 Draft dust coo outlet 55 Mmwc13 Secondary air pressure 33 CBD Conductivity14 Load ID 185 Amps 34 Deaerator water conductivity15 Load FD 24 Amps 35 Feed water Ph16 FW temperature before Eco 131 0c17 FW temperature after Eco 218 0c18 Boiler outlet gas 377 0c19 Eco outlet gas 197 0c20 A 143 0c
  3. 3. AIR COMPRESSORSNPP : KG KHOSLA MAKE SPL : KG KHOSLA MAKE Double stage Double stage 3H Y2TCER Air comp no 4,5,6 RPM : 650 RPM : 800 Pr. : 7 kg/cm2 Pr. : 7 kg/cm2 Cap : 5.89 m3/min Cap : 51.41 m3/min Pr 1 st stage : 2 kg/cm2 Pr 1 st stage : 2 kg/cm2 pr 2 nd stage : 5.5 kg/cm2 pr 2 nd stage : 5.5 kg/cm2 oil pr. : 2.5 kg/cm2 oil pr. : 2.5 kg/cm2 SPL : KG KHOSLA MAKE Single stage Air comp no 2 RPM : 560 Pr. : 7 kg/cm2 Cap : 11.01 m3/min oil pr. : 2.5 kg/cm2
  4. 4. AIR COMPRESSORS Air compressors in power house are situated as follows Motor load: 230-250 A1) 2 nos at old power plant2) 2 nos at new power plant3) 4 nos at specialty machine area cooler 2.5 kg/cm2 Air comp no 2,6,4,5 PROCESS cooler Coating plant 5 kg/cm2AD AD cooler 5 kg/cm2 Pulp mill , spl machines , RECIEVER Clo2 plant, power house TANK cooler
  5. 5. SPECIALITY PUMP HOUSE DETAILS 250 M3/HR 4 K/C2 TW NO 9 / 6 85 A COATING PLANT NEW POWER HOUSE AIR COMPRESSOR M3/HR 55/ 150 LINE 2-2.5 K/C2 65-70 A PULP MILL SHUT 1 RUNNING 1 RUNNINGTUBE WELL LINES: 3,4,8,16,20,22. 10,12,14,15,17 18,19 1,21
  6. 6. OPP office10KG STEAM HEADER rail clo2 SM PULP MILL ABL PRV 10/7 10 KG TG LIME KLIN From 46/17/7 prv Dorr plant JMW APH 7 KG BTH
  7. 7. PDM DEAERATOR OT Suction TO HP BOILERS TO ABL BOILERS DARE. ABL Suction ABL EFP1 85 KG ABL FP EFP2 STEAM STEAM FP FPABLdeae. pump LAY OUT FEED WATER (HP) SYSTEM
  8. 8. HP BOILER AND ABL FEED WATER HP BOILER 3 HP BOILER 2 HP BOILER 1ECO ECO ECO FROM ABL PUMP ABL
  9. 9. OPERATING PARAMETRESSr Parameter OV Sr Parameter OVno no ABL FEED PUMP HP FEED PUMP1 SUCTION PR 2.7 STEAM2 DISCHARGE PR 70 78 1 RPM 26003 BALACING PR 3.0 2 CONTROL OIL PR 2.34 ABL DEAERATOR WATER TEMP 100 3 LUB OIL TEMP 445 DEAERATOR PUMP PR 4 INLET STEAM PR 546 DEAERATOR PUMP LOAD 13.5 5 EXH STEAM PR 1.6- 2.07 BEARING TEMP MAX 60 6 MOTOR LOAD 110 HP FEED PUMP 7 BOILER WATER COND 60-70 55 751 WATER TEMP 1082 FEED WATER COND 5-63 FEED WATER PH 9 -104 FEED PUMP SUC PR 1.35 DISCHARGE PR 1006 BALANCING PR 1.47 PUMP NDE BEARING 40-45 708 PUMP DE BEARING TEMP 40-45 1059 MOTOR WINDING 30-35 MOTOR BEARING DE 35-40 85 MOTOR NDE 9021
  10. 10. FLUE GAS PATH HP BOILER SECONDARY AIR BOILER 1 ST CYCLON 2 ND CYCLON 3RD CYCLON TO GRATE HOT AIR OUT AIR PRE ESP ECONOMISER HEATER FD AIR SCREW CONVEYERS TO SUBMURGED ASH BELTRATED FLOW RATE: ID FAN :97524 M3/HR AND FD FAN : 51876 M3/HR (AIR DENSITY 1.20 KG/M3 AT 20 DEG CEL)
  11. 11. ASH CONTENT V/S EXPECTED BOILER EFFICIENCYSr ASH CONTENT % COMUSTIBLE IN REFUSE INDIRECT BOILERno00 EFFICIENCY1 15 8-9 79.8-80.82 20 5-6 83-83.6 SULP HER3 25 4.5-5 83.6-84.1 %4 30 5.4-6.4 82.4-83.4 1.85 35 8-9.5 79.3-806 40 9.6-11.6 77.2-797 45 12-14 74.2-74.818
  12. 12. SAFETY VALVES SETTINGSJMW BOILER: 51 , 50 , 48 (RHS,LHS,SUPER HEATER)BOILER NO 1,2,3: 94.8, 93.6, 91.2 (RHS,LHS,SUPER HEATER)BOILER NO 7: 51, 50, 48.5 (RHS,LHS,SUPER HEATER)ABL BOILER
  13. 13. OPERATING ALARMS ON PANELSr Parameter OV Sr Parameter Ono no V HP BOILER 1,2,3 DRUM LEVEL HIGH1 EMERGENCY TRIP 1 MAIN STEAM TEMP HIGH2 ID FAN TRIPPED 2 MAIN STEAM TEMP LOW3 FD FAN TRIPPED 3 AIR FLOW LESS THAN 30 %4 SA FAN TRIPPED 4 FUEL PR LOW5 COAL FEEDER 1 TRIPPED 5 AIR COMP 1 STOPPED6 COAL FEEDER 2 TRIPPED 6 AIR COPMPRESSOR 2 STOPPED7 COAL FEEDER 3 TRIPPED 7 DEAERATOR LEVEL LOW COAL FEEDER 4 TRIPPED EICM CERM RELAY MOTOR O/L1 STOKER TRIPPED 1 ESP1 FIELD 1 A TRIPPED2 COAL FEEDRE NO 1 SPEED LOW 2 FIELD 1 B TRIPPED3 COAL FEEDRE NO 2 SPEED LOW 3 ASH HOOPER LEVEL HIGH4 COAL FEEDRE NO 3 SPEED LOW 4 RALV SC TRIPPED5 COAL FEEDRE NO 4 SPEED LOW 5 ESP FIELD 1A 1B WORKING ALARM6 INST AIR PRESSURE VERY LOW 6 O2 HIGH EXCESS AIR7 DRUM PR HIGH 78 DRUM PR VERY LOW 89 DRUM LEVEL VERY LOW 9
  14. 14. OPERATING ALARMS ON PANELSr Parameter Sr Parameterno no HP BOILER 1,2,3 ABL BOILER 1 EMERGENCY TRIP1 MAIN STEAM HEADER PR LOW 2 DRUM LEVEL LOW2 86/46 LINE PR LOW 3 DRUM LEVEL HIGH3 PDM PUMP 1 STOP 4 FURNACE PRESSURE HIGH4 PDM PUMP 2 STOP 5 FURNACE PRESSURE LOW5 CBD1 COND LOW 6 OVERHEAD TANK LEVEL LOW6 CBD 2 COND LOW 7 DRUM LEVEL LOW7 CBD 3 COND LOW DRUM LEVEL VERY LOW DEAERATOR COND HIGH 1 DRUM LEVEL HIGH1 FEED WATER PH LOW 2 AIR FLOW LESS THAN 30 % 3 C2 FEED WATER PH HIGH3456789
  15. 15. OPERATING INSTRUMENTS ON PANELSr Parameter Sr Parameterno no HP BOILER 1,2,3 DEAERATOE PRESSURE CONTROLLER1 ID SUCTION DRAFT MMWC 1 DEAERATOR LEVEL CONTROLLER2 FD DISCHARGE DRAFT MMWC 23 APH INLET DRAFT MMWC 34 AIR PH OUTLET 45 ECON IN 56 ECON OUT 67 SA FAN 7 DEAERATOR LEVEL1 APH OUTLET GAS TEMP 12 FURNACE DRAFT CONTROLLER 23 FEED WATER FLOW INTIGRATOR 34 STEAM FLOW INTIGRATOR 45 MAIN STEAM TEMP 5 CONTROLLER 66 STEAM PR CONTROLLER 77 OXYGEN CONTROLLER 88 AIR FLOW CONTROLLER 99 DRUM LEVEL FEED WATER CONTROLLER

×