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Retractable Sootblower (RXC-H)
Retractable Sootblower (RXC-H)

Operating Principle

  • The lance tube with high-performance nozzles is helically moved into the flue-gas path
  • The blowing process begins shortly after the nozzles have passed through the boiler wall
  • On reaching the prescribed travel, the direction of movement changes and the lance tube returns to its rest position

Technical Summary

Clyde Bergemann has several types of retractable sootblowers available for cleaning heat exchangers mainly within power, waste, biomass and industrial boilers. They are designed to deliver optimum results within the strict requirements of the different industries and will ensure trouble-free operation.

Clyde Bergemann retractable sootblowers offer excellent results in cleaning performance. Using the most effective cleaning nozzle in the market, cleaning impact is maximised with a minimal amount of blowing media. Retractable sootblowers may come optionally with a specially designed multiple blowing pattern (multi-progressive helix indexing) system. By indexing inside the gearbox using a clutch, problems such as pinion and gear rack failure found in other systems, are eliminated.

  • Cleaning Medium: Steam, Air
  • General Application Areas: Superheater, Reheater
  • Travel Range: 12 m – 20 m
  • Cleaning Arc: 360 °
  • Key Industry: Power Generation

Key Features

  • Poppet valve with adjustable throttle disc for easy setting of the blowing pressure
  • Stainless-steel feed tube, polished to minimise leakage at stuffing box connection with lance tube assembly
  • Creep-resistant lance tube with high performance nozzles to withstand high temperature applications
  • Double-rack design for higher stability
  • Integrated gear motor for simultaneous axial and rotating movement with balanced and symmetrical drive system
  • Travel monitoring by two limit switches
  • Wall box with sealing elements corresponding to boiler pressure mode
  • Sealing and scavenging air piping with dedicated fan (optional)
  • Integrated droop correction for defined guidance of nozzle head trajectory close to the optimum sootblower centre line
  • Add-ons: SMART Set for external adjustment of throttle disc / Self-adjusting stuffing box packing

Product Benefits

  • Increased plant availability due to reliable boiler cleaning, resulting in efficient plant operation
  • Prevents heavy slagging
  • Increased boiler efficiency through improved heat transfer
  • Reliable and simple to maintain
  • Intelligent, flexible operation, in conjunction with SMART Convection (optional)

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