- Keep the boiler room clean and clear of all unnecessary items.
- The boiler room should not beconsidered an all-purpose storage area.
- The burner requires proper air circulation in order toprevent incomplete fuel combustion. Use boiler operating log sheets, maintenance records, and the production of carbon monoxide. The boiler room is for the boiler!
- Ensure that all personnel who operate or maintain the boiler room are properly trained on all
- equipment, controls, safety devices, and up-to-date operating procedures.
- Before start-up, ensure that the boiler room is free of all potentially dangerous situations, like flammable materials, mechanical, or physical damage to the boiler or related equipment.
- Clear intakes and exhaust vents; check for deterioration and possible leaks.
- Ensure a thorough inspection by a properly qualified inspector.
- After any extensive repair or new installation of equipment, make sure a qualified boiler inspector re-inspects the entire system.
- Monitor all new equipment closely until safety and efficiency are demonstrated.
- Use boiler operating log sheets, maintenance records, and manufacturer’s recommendations to establish a preventive maintenance schedule based on operating conditions, past maintenance,repair, and replacement that were performed on the equipment.
- Establish a checklist for proper startup and shutdown of boilers and all related equipment according to manufacturer’s recommendations.
- Observe equipment extensively before allowing an automating operation system to be used with minimal supervision.
- Establish a periodic preventive maintenance and safety program that follows manufacturer’srecommendations.
1. High cost: Manganese bronze is a costly alloy, making it less economical for large propellers. 2. Low strength-to-weight ratio: Compared to other propeller materials like nickel-aluminum bronze or stainless steel, manganese bronze has a lower strength-to-weight ratio. 3. Susceptible to corrosion: Manganese bronze can corrode in seawater, especially when exposed to high velocities and turbulence. 4. Poor cavitation resistance: Manganese bronze is more prone to cavitation damage than other materials. 5. Difficult to cast and machine: Manganese bronze is challenging to cast and machine, making it less desirable for complex propeller geometries. 6. Limited weldability: Manganese bronze has poor weldability, making repairs and modifications difficult. Nickel-aluminum bronze or stainless steel are commonly used for propellers due to their: - High strength and durability - Excellent corrosion resistance - Good cavitation resistance - Ease of casting and machining - Weldability
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