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Lamont Boiler is a Water Tube boiler and it is also a high pressure boiler. Before knowing about any type of boilers, we need to know what actually is a Boiler?
In the last article, we had discussed in detailed about the types of boilers like
Hello Readers, in this assessment, we will discuss on Lamont Boiler along with its Definition, Parts, Working, Advantages, Disadvantages & Applications. So let's dive in!
Lamont boiler is a high-pressure water tube boiler with internally fired furnace and the circulation is of forced type. An external agency (pump) is used to circulate the water throughout the tubes of the boiler.
It was invented in 1925 by the famous person Walter Douglas La-Mont.
The parts of Lamont boiler are as follows.
An Explanation for the parts is as follows.
The feed pump supplies the feed water into the boiler from a hot well.
It is a device which increases the efficiency of the boiler.
Its duty is to preheat the water by the usage of remaining heat from the combustion gases.
By the usage of this drum, water and steam are seperated with each other. Steam due to its less density remains in top position and water due to its high density, settles down.
The collected water in the drum is to be sent to the evaporating section such that it evaporates water-steam mixture with the help of radiator.
Here centrifugal pump is used to supply the water to various channels. Water from the drum is to be passed into the tube evaporating section through the centrifugal pump.
From the evaporating section, a mixture of water and steam is to be sent to the water drum again by the usage of pump.
Water will be settled in the drum and the steam will move further into the superheater.
Even if the steam has small water particles also, the air superheater increases the temperature and finally, the steam enters into the turbine to generate electricity.
The remaining hot water from the steam after passing through the superheater acts as a preheated water, mixes with the feedwater, and the cycle continues.
The feedwater passes through the economizer to the drum from which it is drawn by the circulating pump.
The function of the Economizer is to increases the temperature of the feedwater (preheating) by absorbing the heat from the flue gases before they are sent to the atmosphere.
The centrifugal pump delivers the feed water to the evaporating section or the Radiant Evaporator which in turn sends a mixture of steam and water to the drum.
The steam generated by the radiant evaporator is the saturated steam. If it is directly used in the steam turbine, it can cause the blades by the effect of corrosion.
So the saturated steam sends to the superheater where it can increase the temperature of the steam.
The superheated steam obtained from the superheater is supplied to the prime mover or turbine to do the mechanical work and later this work is to be converted to Electrical energy.
These boilers have been built to generate 45 to 50 tonnes of superheated steam at a pressure of 130 bar and a temperature of 500-degree centigrade.
This is the explanation of how Lamont Boiler work!
The advantages of Lamont boiler are as follows.
• It has a high heat transfer rate.
• Its design is simple.
• It can be easily started.
• High steam generation (about 50 tonnes per hour)
• It can be reassembled with the natural circulation boilers.
The disadvantage of Lamont boiler is as follows.
The applications of Lamont boiler are as follows.
This is a detailed explanation of Lamont Boiler along with Definition, Parts, Working, Advantages, Disadvantages & Applications. I hope you liked this article, now I want to hear from you.
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The boiler is used for the generation of electricity from the steam developed due to the water.
Lamont Boiler is a water tube boiler
Lamont boiler works above 170 bar.
The different types of boiler are
Babcock and Wilcox boiler
Stirling Boiler
Benson Boiler
Loeffler boiler, etc.
The main advantage of lamont boiler is the high amount of steam generation (about 50 tonnes per hour)
The main disadvantages of Lamont boiler is the Bubble formation on a surface of the tube which reduces the heat transfer rate.
More on Boiler:
Babcock and Wilcox Boiler
Cochran Boiler
Benson Boiler
