Questions and Answers
What type of burner is typically used in the vertical two drum water tube boiler?
What feature helps ensure a sufficient dryness of steam in the steam drum?
Where are the burner and relevant boiler mountings located in the vertical two drum water tube boiler?
What is the purpose of the manholes in the drums of the boiler?
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What type of construction is used for the steam drum in terms of its plates?
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Which of the following is NOT a characteristic of the burner cone in the boiler?
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What design feature aids in accessing the heating coil in the water drum?
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Study Notes
Vertical Two Drum Water Tube Boiler
- Commonly used on ships, featuring a top-fired design.
- Equipped with a steam atomising burner to enhance combustion efficiency.
Control and Monitoring Features
- Local control panel affixed on top for easy operation and monitoring.
- Burner platform provides convenient access for operators.
Structural Design
- Steam drum is cylindrical, equipped with two flat plates of equal thickness.
- Internal pressure supported by vertical solid stays connecting the flat plates.
Distribution and Dryness Control
- Internal fittings ensure uniform distribution of feed water and circulation water.
- Designed for sufficient dryness of steam to enhance performance.
Furnace and Burner Configuration
- Burner cone is integrated into the furnace opening; no refractory materials are used at the furnace top.
- Design promotes efficient heat transfer without additional refractory components.
Maintenance and Inspection
- Manholes strategically located in both steam and water drums for accessibility.
- Ample space within the drums to facilitate inspection and maintenance tasks.
Water Drum Design
- Similar design principles as the steam drum, providing optimal heating coil space.
- Ensures easy access for inspections, enhancing overall maintenance efficiency.
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Description
Explore the intricate design and functionality of the Vertical Two Drum Water Tube Boiler. This quiz covers its structure, control features, dry steam production, and maintenance considerations, providing a comprehensive understanding for maritime applications. Perfect for students and professionals in marine engineering and boiler technology.
