Table of Contents
What is the main used of the marine boiler on the vessel?
Boilers are one of the essensial equipments onboard ships. It’s purpose is to provide heating to the the main deisel propulsion engine, to the bunker F.O. The steam generated by the boiler can also be use for cleaning, and heating of the seawater in the freshwater generator thus evaporating it to make it potable water.
How does a scotch marine boiler work?
The heat from the combustion chamber is used to heat the water surrounds it. The waters are converted into steam, & the steam is passed onto the turbine. The water surrounds the furnace, combustion chamber, and smoke tubes, and because of this, the Scotch Marine boiler provides a more heated surface for water.
What are the most common risks associated with the marine boiler?
Risks Associated With Boiler Operation
- Mechanical damage. It is the most frequent incident that happens with a boiler.
- Boiler Fire And Meltdown. Anything that is hot and involves burning of fuel poses a high risk of fire hazard.
- Carbon Monoxide Toxicity.
- Scalding Incidents & Hot Burns.
- Boiler Explosion.
How does marine boiler produce steam?
The main job of a boiler is to make high pressure steam. The feed water supplied to the boiler drum utilizes the heat of the energy released by burning the fuel. This energy of the burning fuel is stored in the form of steam with high temperature and pressure.
What are the parts of marine boiler?
Parts of Boiler and Their Function in the Boilers
- Burner.
- Aquastats.
- Backflow valve.
- Supply lines.
- Return lines.
- Circulator pump.
What type of boiler is a Morrison tube?
The boiler tank in a fire tube boiler is actually a large cylinder with a series of smaller, hollow cylinders inside it. The largest of these cylinders is found in the center, and it’s known as the morrison tube.
How often should draining of each water level glass of boiler be done?
Weekly Routine Checks Drain each water level glass for about 10-15 seconds. In case of contaminated boiler water or insufficient water treatment, the draining of the water level glasses must be done more often. Check the safety water level device.
What are the 5 major independent components of a boiler?
The key elements of a boiler include the burner, combustion chamber, heat exchanger, exhaust stack, and controls. Boiler accessories including the flue gas economizer are also commonly used as an effective method to recover heat from a boiler.
How do you start a marine boiler?
Starting Boiler and Pressure Rise
- Check that the gauge board valve and pressure gauge valves are opened.
- Check that the air valve is open if the boiler pressure is below 1.0 bar.
- Start the burner on manual control and on low load.
- Drain via the blow down valves if the water level is too high.
What are the main parts and its functions of a marine boiler?
The boiler is the part of the system that heats the water to be distributed. The key elements of a boiler include the burner, combustion chamber, heat exchanger, exhaust stack, and controls. Boiler accessories including the flue gas economizer are also commonly used as an effective method to recover heat from a boiler.