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A boiler is a closed vessel in which water or other fluid is heated. The heated or vaporized fluid is then used in various industrial processes. Boilers are classified into different types based on their uses and designs. In this article, we will discuss the different kinds of boilers and their uses.

The most common type of boiler is the fire-tube boiler. This type of boiler consists of a series of tubes, which are heated by a fire. The hot gases from the fire pass through the tubes, heating the water and producing steam. Fire-tube boilers are typically used in residential and commercial applications.

Another type of boiler is the water-tube boiler. This type of boiler consists of a series of tubes, which are filled with water. The water is heated by a fire, and the hot gases from the fire pass through the tubes, heating the water and producing steam. Water-tube boilers are typically used in industrial applications.

The third type of boiler is the flash boiler. This type of boiler is similar to the fire-tube boiler, but the hot gases from the fire pass through the tubes at a much higher velocity. The high velocity of the hot gases causes the water to flash into steam. Flash boilers are typically used in small-scale applications, such as in ships or locomotives.

The fourth type of boiler is the waste-heat boiler. This type of boiler is used to recover the heat from a process, such as a furnace or engine, which would otherwise be wasted. The heat is then used to produce steam, which can be used in various industrial processes. Waste-heat boilers are typically used in industrial applications.

The fifth type of boiler is the condensing boiler. This type of boiler is designed to recover the heat from the exhaust gases of a process and use it to preheat the incoming feed water. This reduces the amount of fuel needed to heat the feed water, which makes the boiler more efficient. Condensing boilers are typically used in residential and commercial applications.

The sixth type of boiler is the biomass boiler. This type of boiler uses biomass, such as wood chips, sawdust, or agricultural waste, as fuel. The biomass is burned in a furnace, and the heat produced is used to produce steam. Biomass boilers are typically used in residential and commercial applications.

The seventh type of boiler is the nuclear boiler. This type of boiler uses nuclear energy to produce steam. Nuclear boilers are typically used in industrial applications, such as power plants.

These are the seven most common types of boilers and their uses. Each type of boiler has its own advantages and disadvantages, and which type of boiler is best for a particular application depends on the specific needs of the user. It is important to research the different types of boilers before making a decision on which type of boiler to use.