Online cleaning equipment for boiler heat-transfer surfaces
A sootblower directs a cleaning jet at deposits on boiler heat-transfer surfaces. A complete machine includes the medium path, nozzle assembly and its movement or positioning equipment. Specify those together; a lance tube sold as a spare is only one part of the cleaner.
Complete steam- or air-based boiler sootblowers, including retractable units and identified air-heater variants with a separately designed water circuit. Lance tubes and nozzles sold alone, acoustic cleaners, water cannons, boiler tubes and scrubbers are outside this page. The emphasis is the complete cleaner’s movement, cleaning pattern and media interfaces.
01
Clyde’s RS-H description has a lance with opposing nozzles moving helically into the flue-gas path. Blowing starts after the nozzles pass the boiler wall; the lance reverses at the end position and returns to rest. The drive, travel and blowing sequence therefore form part of the equipment specification. [1]
| Equipment element | Published function | Replacement or interface record |
|---|---|---|
| Lance and nozzle assembly | The lance travels into and out of the gas passage; the nozzles deliver the cleaning jet. [2] [1] | Tube/nozzle drawing, travel envelope and supported assembly. |
| Feed tube | The stationary feed tube supplies medium to the moving lance or rotating element. [2] | Feed connection, sealing arrangement and compatible moving assembly. |
| Wall box | Supports the cleaner at the boiler opening and helps limit gas escape when the lance is retracted. [2] | Boiler opening, mounting and wall-seal details. |
| Drive and carriage | Clyde identifies its drive arrangement and controlled lance movement as part of the retractable blower. [1] | Drive, end-position detection, mounting and control interfaces. |
02
B&W’s dated IK-700 explanation describes a progressive helix mechanism inside the carriage. Its rack-and-pinion action shifts the nozzle path between movements and changes the lance’s resting orientation. A replacement lance alone does not establish that this mechanism is included or functioning. [3]
Specify whether the offered machine has fixed helix motion, progressive indexing or another documented pattern. Match nozzle orientation and drive components to the supplied pattern, and obtain the manufacturer’s inspection and setting procedure. A pattern feature is not a measured deposit-removal or tube-life guarantee.
Record the in/out travel, cleaning-enable positions, reversal and home state on the equipment drawing. Ask how position faults and incomplete retraction are detected in the supplied control package.
03
Clyde’s T20 retractable model can use air, saturated steam or superheated steam. Its air-heater RS-A single-medium cleaner uses air or steam, while the multi-medium design adds a separate high-pressure water line outside the steam lance for sticky ammonium-bisulfate deposits. That added water path belongs to an identified design; it is not permission to feed water through any steam sootblower. [1] [4]
B&W separates furnace, convection-pass, back-pass, SCR and air-heater cleaning by deposit and equipment conditions. For SCR it specifically warns that steam moisture can cause erosion or thermal shock in some catalyst designs. Use the cleaning-device manufacturer’s medium specification and the protected equipment’s requirements together. [2]
04
Paste it into your enquiry below or into an email to a maker, then replace every bracket.
Duty: [boiler region; surface; deposits; coverage] Machine: [blower type/model; travel drawing; mounting] Pattern: [rotation; indexing; nozzle orientation] Medium: [air/steam or model-designed water circuit; inlet requirements] Controls: [start; blowing-enable positions; reversal; home and fault signals] Interfaces: [wall box; supply; drains; electrical connections] Evidence: [configuration drawings; setting/inspection procedures; acceptance checks]
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No. B&W defines the lance and stationary feed tube as different components; Clyde’s retractable machine also includes its drive and controlled movement. Identify which assemblies the order includes. [2] [1]
The cited Clyde multi-medium air-heater design has a separate water line outside its steam lance. That model-specific arrangement does not establish compatibility for another steam blower. [4]
Sources checked 2026-10-18. Clyde’s identified retractable and air-heater designs, B&W’s component terminology and its dated indexing explanation. These establish equipment distinctions rather than a universal pressure, temperature, travel or cleaning-performance rating.
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