Part-Retractable Axial Sootblower (VX-AB)
Operating Principle
- The blowing tube is equipped with high-performance nozzles over the whole length and is supported in the flue-gas path
- During the blowing process the blowing tube continues to move axially into the flue-gas path
- On reaching the prescribed travel, the blowing tube returns to its rest position
- The blowing tube remains partly in the flue-gas path
Technical Summary
Clyde Bergemann’s Part-Retractable Sootblowers are the solution for an efficient cleaning of heating surfaces in various applications, with heavy fouling and flue-gas temperatures < 800 °C (upper limit may vary based on type of application).
This type of sootblower is a cost-effective solution especially for medium sized boilers. This economic and easy to maintain sootblower is constructed for dependable operation, indoors and outdoors in all climates. It´s compact design is highly compatible with the space restrictions often found on fired heater installation. For this vast range of applications, Clyde Bergemann offers several part-retractable sootblower versions with different travel ranges to meet specific cleaning requirements. Also suited for hazardous area conditions.
- Cleaning Medium: Steam, Air, Water
- General Application Areas: Air Preheater, Gas-Gas Heater, Economiser, Selective Catalytic Reduction (SCR)
- Travel Range: up to 2.4 m
- Key Industries: Oil & Gas, Other Industrial Processes
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
- Temperature and corrosion-resistant blowing tube with high performance nozzles
- Cleaning with low or high pressure water (optional)
- Compact track beam, constructed out of standard box sections
- Standard gear motor with integral spindle and nut drive mechanism
- Static electrical components with simplified field wiring
- In-built air sealed wallbox with sealing elements corresponding to boiler pressure mode
- Sealing and scavenging air piping with dedicated fan (optional)
- Cantilever design up to 1.4 m travel
- Add-ons: SMART Set for external adjustment of throttle disc
Product Benefits
- Increased plant availability due to reliable boiler cleaning, resulting in efficient plant operation
- Prevents fouling in convection areas of the boiler
- Increased boiler efficiency through improved heat transfer
- Compact design with minimal footprint to fit into available space
- Reliable and simple to maintain
- Cost-effective design for medium sized boilers
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