USED ZURN INDUSTRIES PACKAGED WATER TUBE BOILER, NEW IN 1984, FUEL FIRED FOR 100% COAL, CONVERSION TO WOOD IS POSSIBLE (%SAWDUST, %FIREWOOD, %MIXED BARK AND CHIPS, OTHERS). STEAM PRODUCTION CAPACITY IN TONS/HOUR. 150,000 PPH. SUPER HEATED STEAM TEMPERATURE: 850 F @ 900 PSI AT SUPERHEATER OUTLET WITH A STEAM PRESSURE DESIGNED FOR 1050 PSI, OPERATIONAL 900 PSI @ 850 F STEAM FLOW UP TO 150 K PPH. HAS A GAS COMBUSTION TEMPERATURE 1500 TO 2000 F AT TIP OF FLAME ON WOOD. THE BOILER EFFICIENCY APPROX EXPECTED ON 50% TO 60% ON WOOD, WAS 83.6% OT 84.96% ON COAL. THE SURFACE OF HEAT TRANSFERENCE 13,219 SQUARE FEET AND THE BOILER'S HAS A HYDRAULIC TEST REPORT DATED 2003 AS PASSED. MEASUREMENT OF THICKNESSES OF ECONOMIZER'S AND SUPERHEATER'S TUBES WALLS AND OF EVAPORATOR DRUM (DOME.) 0.18” THICK BY 3” DIA ON FURNACE TUBES, 0.165” THICK BY 2” DIA ON SUPERHEATER TUBES, 0.135 THICK BY 2.5” DIA ON CONVECTIN SEDCTION TUBES AND 0.180” THICK BY 2” ON ECONOMIZER TUBES.
DRAWINGS, ELEVATIONS AND LAYOUT CAN AND WILL BE PROVIDED TO A BUYER.
MAKE-UP WATER IS SUPPLIED FROM EITHER OF TWO, 150 GPM CRANE/COCHRANE TWIN-BED DE-MINERALLIZERS. EACH UNIT IS EQUIPPED WITH ITS OWN PH AND CONDUCTIVITY METER, AND COMBINED, THE EFFLUENT IS CONTINUOUSLY MONITORED FOR SILICA. THE DEMINERALIZERS ARE CONTROLLED BY AN ALLEN BRADLEY SLC5/04 CONTROLLER. REGENERATION IS SEMI-AUTOMATIC AND CAN BE INITIATED FROM THE OPERATORS CONTROL STATION OR AT THE LOCAL STATION.
THE OFFERING INCLUDES TWO, 25K STORAGE TANKS (PRIMARY) WITH TWO DI BOOSTER PUMPS AND ONE 13K STORAGE TANK (SECONDARY), ALSO HAVING TWO DI BOOSTER PUMPS. DISCHARGE FROM THESE PUMPS IS BLENDED WITH POLISHED CONDENSATE AND SENT TO A FEED HEATER BEFORE BEING SENT TO THE DEAERATING FEED TANK. THE DA TANK WAS MANUFACTURED BY PMI INDUSTRIES AND IS A SPRAY-TYPE DEAERATOR WITH A CAPACITY OF 140,000#/HR.
THERE ARE TWO MAIN FEED PUMPS, THE PRIMARY IS AN ELECTRIC-DRIVEN, 8-STAGE CENTRIFUGAL PUMP BUILT BY INGERSOL-RAND. THE BACKUP PUMP IS A 9-STAGE INGERSOL-RAND PUMP, DRIVEN BY A TERRY TURBINE WITH AN ATTACHED MECHANICAL TYPE WOODWARD GOVERNOR. BOTH PUMPS EQUIPPED WITH MECHANICAL SEALS AND EACH PUMP HAS ITS OWN AUTOMATIC RECALCULATING VALVE. INDUSTRY STANDARD DEAIRATION SYSTEM AND FEED WATER PUMP SYSTEM. SEE ABOVE WATER TREATMENT SECTION.
ACTUAL CONDITION AND DESCRIPTION OF THE FOLLOWING EQUIPMENTS:
- INDUCTED AIR FAN. REQUIRES CERTIFIED BOILER INSPECTOR CONDITION REPORT.
- FORCED AIR FAN. REQUIRES CERTIFIED BOILER INSPECTOR CONDITION REPORT.
- SECONDARY AIR FAN. REQUIRES CERTIFIED BOILER INSPECTOR CONDITION REPORT.
- FEEDING WATER PUMPS REQUIRES CERTIFIED BOILER INSPECTOR CONDITION
REPORT.
- ASH HANDLING SYSTEM REQUIRES CERTIFIED BOILER INSPECTION CONDITION
REPORT.
- MULTI CYCLONES AND ROTATORY VALVES REQUIRES CONDITION REPORT.
- AIR SUPERHEATERS REQUIRES CONDITION REPORT.
- ECONOMIZER REQUIRES CONDITION REPORT.
- GRATE: TYPE AND SURFACE FIXED GRATE TRAVELING GRATE
LASTLY, ALL GAS EMISSIONS REPORTS. SPECIAL MONITORING SYSTEM OF SOX, NOX, CO Y O2 RECORDS ARE ARCHIVED AND AVAILABLE ON SITE.
