At the grate, the fuel which is coal is provided and it sends to the furnace.
Here we burn the fuel by providing some amount of fire to
it. So as we know this is a single large tube boiler.
Burning of coal produces the heat which is then sent to the tube and here water is surrounded.
Why water is surrounded automatically? Because we supply water here and with the use of an instrument, water level indicator we measure the level of water.
So now tube has as much heat that water gets start heated which means water first converts into saturated steam and then it further heated and converts into superheated steam which is now working steam.
The steam can be further used for different purposes.
Meanwhile here the burning coal ash comes to the ash pit and from here it comes to the smokebox and the gas will release to the chimney to the environment.
And we extract the ash from the system and clean this.
Advantages of Cornish Boiler:
The advantages of a Cornish boiler are:
The designs are simple and easy.
The construction is easy and its compactness.
It is a portable types boiler.
The maintenance cost is low.
It can handle load fluctuation to some extent.
Disadvantages of Cornish Boiler:
These are some disadvantages of Cornish Boiler:
It is a type of low production steam rate which is around 1350 kg/hour.
The pressure is low comparatively other boilers which are 12-13 bar.
Applications of Cornish Boiler:
Application of the Cornish boiler are:
It is used in several industries like sugar, mill, chemical, and other more industry.
It is also used to run the steam turbine.
Cornish Boiler used in marines.
This is all about Cornish Boiler. For further queries put in on the comment section, we will look those out quickly.
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What is the cornish boiler?
It is another type of fire tube boiler. It produces steam by burning fuel which is coal.
What is a fire tube boiler?
There are mainly two types of boiler. 1. Water-tube boiler (In this type the water is flowing inside the tube and hot flue gases surround them) whereas, 2. Fire-tube boiler (The hot flue gases presents and flows inside the tube and water surround them)
What is the construction of the Cornish boiler?
A Cornish boiler consists of: 1. Shell 2. Grate 3. Furnace 4. Combustion chamber 5. Chimney 6. Smokebox 7. Water level indicator 8. Safety Valve 9. Man Hole 10. Stop Valve 11. Blow off valve
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