Boiler Mechanical System and Its Working Principle
Boiler Mechanical Systems are primarily valuable for industries for generating steam, through which they can generate electricity. The boiler is a device generally used to heat the liquid, therefore used to generate power. It looks like a close vessel from outside.
Working principle of Boiler Mechanical System
Water fills in boilers; then the closed vessel is heated to convert the water into steam. The steam thus causes a lot of kinetic energy, which is helpful in rotating turbines. Hence, electricity is generated.
Boiler Mechanical Systems are divided into various classes:
- Fire Tube Boilers
- Water Tube Boilers
- Single Tube Boilers
- Multitubular Boilers
- Internally Fired Boilers
- Externally Fired Boilers
- Vertical Boilers
- Horizontal Boilers
- Natural Circulation Boilers
- Forced Circulation Boilers
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Boilers are used as heat sources in hydronic HVAC systems. There are different types of boiler designs, but they generally have four main components:
Burner: This component starts combustion, controlled by the electronic commands from a thermostat. The burner nozzles spray and ignite the fuel, heating the water inside the boiler.
Combustion Chamber: The fuel is burned inside the combustion chamber, which is commonly made of cast iron. According to the ASME Boiler and Pressure Vessel Code, the temperature of a commercial heating boiler can reach up to 250°F.
Heat Exchanger: This component provides heat from the combustion chamber to the water without direct contact, similar to a boiling pot. The pressurized hot water is then pumped to radiators or fan coils, to provide space heating.
Plumbing System: Host water is distributed through an insulated piping network, and the design and material can change depending on the type of boiler.
Questions and Answers related to Boiler Mechanical System:
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What do you mean by a valve?
A:- An instrument in the boiler that is used to control the fluid flow.
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What is the use of a Piston and Cylinder?
A:- Piston is a piece of metal fitted inside the cylinder. The piston moves inside the cylinder with the change of pressure of the fluid. Here, fluid doesn’t necessarily depict the liquid; however, even gases and vapor can be the fluid.
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How to differentiate between a Bucket Piston and Plunger Piston?
A:- When a Piston experiences fluid pressure only at one side, then the best piston among all the pistons is the Plunger Piston.
However, valves are present in the bucket piston, which allows it to let the fluids pass.
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What Is A Buck Piston?
A: This piston has an open end, and on the other side, it is made longer. The Buck piston is also known as the trunk piston.
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