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York Shipley, YSG Model 564-SPH-250X-S150, 250 HP, 150 PSIG, 8625 lbs/hr Steam Capacity

Description

  1. Overview
    1. York Shipley global model 564-SPH-250X-S150 boiler with burner.
    2. Three pass dryback scotch marine firetube boiler.
    3. ASME section 1, power boilers construction.
    4. XID heat transfer enhancing SA-178 grade A boiler tubes.
    5. 99.5% or greater dry saturated steam quality.
    6. Heavy wall large diameter furnace manufactured with SA-516 pressure vessel quality steel.
    7. Furnace: 29" inside diameter, smooth type, 138¾" length.
    8. Heating surface - fireside: 1250 square feet (116.0 sq. meters).
    9. Boiler pressure drop: 5.50" W.C. (inches of water column).
    10. Dry weight: 16,660 pounds (7,573 kg).
    11. Wet weight: 24,880 pounds (11,309 kg).
    12. Water capacity: 991 gallons to operating water level (3,751 liters).
    13. Dimensions: approx. 17'-8" L x 7'-4" W x 7'-10" H.
    14. Weight: approx. 17,000 lbs.
  2. Performance And Design Characteristics
    1. Boiler model number: YSG model 564-SPH-250X-S150 steam boiler.
    2. Boiler horsepower: 250 BHP (2,452 kW).
    3. Boiler capacity: 8,625 pounds per hour steam (3,920 kg/hour) from and at 212°F (100°C) at 1 atmosphere (1 bar pressure).
    4. Boiler output: 8,370,000 BTU/hour output (2,109,200 kcal/hour).
    5. Boiler design pressure: 150 psig steam pressure (10.55 kg/cm²).
    6. Boiler operating pressure: up to 135 psig operating steam pressure (9.50 kg/cm²).
    7. Burner manufacturer: Power Flame burner.
    8. Burner model number: Power Flame burner, LNICM9A-GO-30.
    9. Input required - natural gas: 10,468 CFH natural gas @ 1,000 BTU/cubic foot (296.46 m³ per hour).
    10. Input required - #2 fuel oil: 74.5 GPH of #2 fuel oil at 140,000 BTU/gallon (281.98 liters per hour).
    11. Burner operation: full modulation, 0-135 ohm signal from L91B pressurtrol.
  3. General Description
    1. Three pass, dryback boiler designed, constructed, inspected and certified in accordance with section I, power boilers, of the ASME boiler and pressure code.
    2. Complete with (6) ASME handhole inspection openings and (1) 12" x 16" ASME manhole inspection opening in the shell.
    3. Includes gas tight front and rear combustion gas turn spaces; refractory lined rear turn space at the end of the furnace with a refractory lined rear door supported from a shell mounted hinged davit.
    4. Split front doors with internal insulation panels and two steel rear third pass covers bolted in place.
    5. Includes a flanged vertical vent connection, rear furnace observation port, painted steel jacketing with 2" fiberglass insulation and open bottom, lifting lugs for rigging, fabricated steel base with saddles and skids, front door mounted fireside cleanout opening, with fireside gaskets.
  4. Model 564-SPH-250X-S150 Construction Description
    1. 3 pass dryback firetube boiler designed and certified in accordance with section I, power boilers, of ASME boiler and pressure code.
    2. Complete set of high efficiency heat transfer XID pattern SA-178 boiler tubes installed in boiler tube banks.
    3. Pressure vessel shell includes 3½" x 4½" handhole and 12" x 16" manhole inspection openings per ASME code.
    4. Heavy wall large diameter furnace for low volume heat release, manufactured with SA-516 pressure vessel quality steel.
    5. Large volume gas tight combustion gas turn spaces at exits of first, second and third pass tube banks.
    6. Gas tight refractory lined and insulated furnace access rear door, mounted on heavy duty hinge arrangement.
    7. Gas tight front fireside access doors with internal insulation with hinged/davit arrangement on each door.
    8. Gas tight third pass fireside access doors, bolted arrangement, heavy gauge steel covers with handles for easy access.
    9. 8" wide rigid steel catwalk installed lengthwise on top boiler centerline for casing protection during installation.
    10. Heavy duty lifting lugs centered and welded on top of boiler shell for simple rigging with spreader bar.
    11. Painted steel jacket casing with 2" fiberglass insulation, open bottom and trim rings for openings.
    12. Boiler mounting includes fabricated steel base assembly with steel saddles and side skid channels.
    13. (2) 6" spring load explosion doors, mounted in rear third pass upper doors.
    14. Factory testing – complete electrical testing of all boiler controls and safety interlock interface with customer furnished burner.
  5. Boiler Operating - Safety Controls And Standard Boiler Trim
    1. Primary low water cutoff control: (1) MM #157S float type control, automatic reset.
    2. Secondary low water cutoff control: (1) MM #750B probe type control with manual reset relay switch.
    3. High water alarm: not included, available as option.
    4. Feedwater control and operation: (1) on/off pump operation from control switch in primary LWCO.
    5. Water level gauge: (1) mounted on primary LWCO water column piping.
    6. Water level gauge valves: (1) set, ½" NPT x 150 psig, with ASME safety ball checks.
    7. Tri-cock valves: (3) ½" x 250# mounted on primary LWCO.
    8. Pressure control: high limit - manual reset: (1) Honeywell # L404C pressurtrol, 10 to 150 psig range.
    9. Pressure control: operating limit: (1) Honeywell # L404A pressurtrol, 10 to 150 psig range.
    10. Pressure control: low fire hold: (1) Honeywell # L604A pressurtrol, 10 to 150 psig range.
    11. Pressure control: modulating control: (1) Honeywell # L91B pressurtrol, 10 to 150 psig range.
    12. Steam pressure gauge: (1) 6" diameter, 0 - 300 psig range, with pressure snubber and shutoff valve.
    13. ASME safety/relief valves: (2) ASME certified safety valve, set @ 150 psig (size as required).
  6. Boiler Principal Piping Connections And Sizes
    1. Main steam supply outlet: (1) 4" x 150 psig ANSI flanged connection with internal steam dry-pan.
    2. Surface blowoff connection: (1) 1½" schedule 80 - SA-106 steel pipe nipple with internal skimmer.
    3. LWCO trim control connection/s: (1) 1" NPT x 3000 psig SA-105 forged steel threaded coupling.
    4. Feedwater inlet connection: (1) 1½" NPT x 3000 psig SA-105 forged steel threaded coupling.
    5. Blowdown connection/s: (2) 1½" NPT x 3000 psig SA-105 forged steel threaded coupling.
    6. Safety valve connection/s: (2) 2" NPT x 3000 psig SA-105 forged steel threaded couplings.
    7. Vertical stack flange connection: (1) 14½" ID, with 2" wide structural steel mounting flange for 2000 lb load.
  7. Boiler Mounted Valves, Equipment And Optional Accessories
    1. Flue gas outlet thermometer: (1) 3" diameter, 200°F - 1000°F range thermometer, installed.
    2. Water gauge blowdown valve: (1) ¼" x 150# built-in valve on bottom water gauge valve on water column.
    3. Primary LWCO blowdown valve: (1) 1" x 150 psig bronze ball valve, pre-piped and ASME certified.
    4. Bottom blowdown valves: (1) set, 1½" x 150 psig triple blowdown valves, pre-piped and ASME certified.
    5. Feedwater stop and check valves: (1) set, 1½" x 150 psig feed, stop and check valves, pre-piped and ASME certified.
    6. Surface blowdown valve: (1) ½" x 250 psig manual surface blowdown valve, pre-piped and ASME certified.
    7. All mounted, piped and certified in accordance with ASME section 1, B31.1 and CSD-1.
  8. Boiler Mounted Flue Gas Re-Circulation Piping
    1. Low NOx flue gas re-circulation piping: included, up to 6" diameter, schedule 10 steel pipe, permanently mounted on boiler.
    2. FGR piping fits within boiler dimensional window, does not have to ship loose.