EGB tube cleaning
Tube cleaning systems for exhaust gas boilers (EGB) on maritime vessels, effectively removing soft, medium, and hard deposits, and even clearing fully blocked tubes.
Exhaust gas boilers (EGB)
Exhaust gas boilers are crucial components in maritime vessels, designed to recover heat from engine exhaust and improve overall energy efficiency. However, during normal operation, EGBs are subject to fouling from soot, ash, and other combustion byproducts. This buildup will significantly impair heat transfer and reduce system performance. Regular cleaning and maintenance are essential to ensure efficient operation, minimize fuel consumption, and prolong equipment lifespan.
Fouling issues in exhaust gas boiler tubes
Exhaust gas boilers (EGB) are found in nearly all types of maritime vessels. These systems are primarily used for heat recovery from the main engine’s exhaust gases. This system captures the heat from the exhaust gases and uses it to produce steam, which can then be utilized for various other purposes across the vessel.
During operation, fouling will attach to the insides of the tubes. In some cases this can be loose soot which is easily removed, however in some cases the deposition can become very strong (incrustation) and even fully block the tube. Fouling acts as an insulating layer on the heat exchange surface, which impedes the transfer of heat and thus decreases the efficiency of the exhaust gas boiler.
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Fouling can range from light deposits forming thin layers on the tube walls to severe build-up that blocks most or all of the tube.
Effects of fouling in exhaust gas boiler tubes
Regular cleaning and maintenance of the exhaust gas boiler is essential to ensure optimal performance, fuel efficiency, and longevity of the equipment. When an exhaust gas boiler is fouled, its efficiency can be significantly reduced, leading to several negative effects:
- Reduced heat transfer: Accumulation of soot and other deposits on the heat exchange surfaces can act as an insulating layer, reducing the efficiency of heat transfer from the exhaust gases to the water. This means less steam is produced for the same amount of fuel consumed.
- Increased fuel consumption: To compensate for the reduced heat transfer efficiency, the boiler may require more fuel to achieve the desired steam output. This leads to higher operational costs and increased fuel consumption.
- Higher emissions: Inefficient combustion due to fouling can result in higher emissions of pollutants such as carbon monoxide (CO) and unburned hydrocarbons. This not only impacts the environment but can also lead to regulatory compliance issues.
- Potential for corrosion: Soot and other deposits can lead to localized hot spots and corrosion on the boiler tubes. Over time, this can weaken the structural integrity of the boiler and increase the risk of leaks or failures.
- Increased maintenance costs: A fouled boiler is more prone to breakdowns and requires more frequent maintenance. This can lead to higher maintenance costs and potential downtime, affecting the overall efficiency and reliability of the vessel.
Improve EGB efficiency
Regular cleaning of exhaust gas boiler (EGB) tubes ensures that deposits are quickly and effectively removed, maintaining optimal system performance. Goodway Benelux offers a dry, mechanical cleaning system that uses high-speed rotating brushes and specialized cleaning tools to remove all types of deposits inside EGB tubes.
Because the system operates without water, it reduces mess and minimizes the risk of corrosion. This method is fast, efficient, and reliable, allowing the EGB system to run at peak performance. The system has been tested by multiple maritime companies and proven to deliver high-efficiency results. Key benefits include:
- Improved EGB performance and efficiency: Clean tubes enhance heat transfer, allowing the exhaust gas boiler to operate near peak efficiency. This reduces energy consumption and minimizes technical issues caused by fouling.
- User friendly equipment: Goodway® equipment is designed for ease of use, enabling operators to clean EGB tubes independently. The system is “plug-and-play” and requires only compressed air for operation.
- Compact yet powerful: The Goodway® AWT-100 tube cleaner is lightweight (13 kilograms) and compact, making it easy to transport and position near EGB tubes. Its variable speed and torque settings allow rotating brushes and specialized toolst to effectively remove soft, medium, and hard deposits – even opening up fully blocked tubes.
Interested in what Goodway Benelux offers for:
Exhaust gas boilers
From pre-sales inquiries to technical support, Goodway Benelux is available to assist customers at every stage. The company also provides on-site support, training, and product demonstrations. Their dedicated sales representatives and project engineers are ready to answer questions and provide guidance throughout the entire process.