CANDLESTICK FLARE STATION STANDARD / OPTION LIST

Candlestick Flare

  • Flare mast assembly of ASTM A53 black iron pipe, blasted, primed, and coated
  • 36" minimum stainless steel burner tip
  • Stainless steel flare shroud with ceramic fiber insulation installed over inconel pins and keepers
  • Pneumatically actuated shutdown valve assembly
  • Aluminum flame arrestor with upstream and downstream pressure monitoring
  • Type K thermocouple flame supervision system
  • Propane or natural gas pilot assembly including ignition transformer and NEMA 4 enclosure
  • NEMA 4 junction boxes
  • All wiring pre-installed and pre-conduited to the maximum extent possible
  • Requires no more than 15" of water column pressure at the inlet of the flame arrestor

Gas Handling System

  • ASTM A-36 structural skid with mounting feet and lifting lugs
  • Schedule 10 304L/316L stainless steel piping
  • Schedule 10 304L/316L weld hub assemblies with carbon steel flanges
  • Landfill/Digester Gas Blower(s) Assembly
    • Multistage Centrifugal Blower (Direct or V belt drive)
      • TEFC inverter duty motor
      • Heresite coating of cast iron blower ends
      • Cast aluminum blower sections and impellers
      • Grease lubricated ball bearings, closed style bearing housings
      • Inlet end stuffing box, carbon ring seals on each end
      • Rexnord Omega coupling for direct drive, with OSHA coupling guard
    • Single stage Centrifugal Blower (Direct or V belt drive)
    • Positive Displacement
      • Rotary lobe digester gas compressor
      • TEFC inverter duty motor
  • Stainless steel flexible connectors at blower suction and discharge nozzles
  • Landfill vacuum/Digester pressure monitor, transducer/transmitter system with gauge and 4-20mA output
  • Insulation and heat tracing of blower drain line and demister filter assembly drain line
  • Aluminum or Stainless steel inlet demister/filter system with multiple layers of knitted polyethylene mesh demisting element. Filtration efficiency of 99.9% @ 5 micron, and 100% @ 6 micron.
  • Velocity averaging, differential pressure flow metering system
    • Flow straightening piping consisting of a minimum 7 upstream and 3 downstream diameters
    • Differential pressure transducer/transmitter system with 4-20mA output
  • Isolation and control valving of lug type butterfly valves with stainless steel disk and viton or EPDM elastomerics
  • Capsuhelic pressure, vacuum, and differential pressure gauges
  • Suction and discharge temperature gauges
  • Skid mounted system fully packaged, conduited, and factory tested

Control Panel

  • NEMA 12 Enclosure with 3 point locking latch and swing out panel
  • NEMA 3R compliant weather/rain/radiation shield
  • Fused disconnect service entrance
  • 480:240/120 VAC single phase transformer
  • 240/120 VAC single phase protected load center with distribution breakers
  • Individual surge suppression systems for 480 VAC, 120 VAC, 24 VDC, and RS-232/Communications
  • Blower motor breaker and overload system
  • Variable Frequency Drive capable of converting single phase to three phase (if necessary)
  • Interior and exterior lighting systems
  • Thermostatically controlled heating and air conditioning system
  • Automation Direct PLC supervision and logical control system
  • Automation Direct "Touch Screen" operator interface system
  • Modem communication for remote monitoring and trouble shooting
  • Digital or Strip chart recorder
  • Alarm and Shutdown message annunciation
  • Motor over/under current safety
  • Flare temperature/Flame failure safety
  • High condensate level safety
  • Autodialing alarm system
  • Push button system reset switch
  • UL Certification