What is the working principle of water tube boiler?

What is the working principle of water tube boiler?

The working principle of water tube boiler is thermal siphoning (circulation of natural water). Basically, this type of boiler includes two drums namely steam, lower or mud drum. The water tube boiler diagram is shown below, and these two drums are associated via two tubes such as downcomer and riser.

What are the main features of a water tube boiler?

Main Features

  • They usually exist in larger sizes as compared to fire tube boiler designs.
  • They are proficient in dealing with steam pressures which can be as high as 5,000 psig.
  • Their recovery is much quicker than their firetube counterparts.
  • Besides, they are designed to attain extremely high temperatures.

Which boiler is a water tube boiler?

Water tube boiler: The water circulates inside the tubes which are surrounded by the hot flue gases from the furnace. It generates steam at a higher pressure up to 165 bar. Examples: Babcock and Wilcox boiler, Stirling boiler, La – Mont boiler, Benson boiler, Loeffler boiler etc.

What is water tube boiler with diagram?

A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-generating tubes.

Where is water tube boiler used?

Water tube boilers can generate saturated or superheated steam, which is useful for applications such as steam turbine power generation. In addition, these boilers are commonly used in process industries, including chemicals , refining, and pulp and paper manufacturing.

Where are water tube boiler used?

What are the advantages of water tube boiler?

Advantages of water-tube boilers: They have a small water content, and therefore respond rapidly to load change and heat input. The small diameter tubes and steam drum mean that much higher steam pressures can be tolerated, and up to 160 bar may be used in power stations.

The working principle of water tube boiler is thermal siphoning (circulation of natural water). Basically, this type of boiler includes two drums namely steam, lower or mud drum. The water tube boiler diagram is shown below, and these two drums are associated via two tubes such as downcomer and riser.

What is the working principle of bent tube or Stirling boiler?

Working Principle of Bent Tube or Stirling Boiler. The feed water first enters into right most upper drum. Due to more density this water comes down in the lower water drum. The water within that water drum and the connecting pipes to the other two upper drums, are heated up and consequently steam bubbles are produced.

How does a water tube boiler control rate of emissions?

Similarly, when the production of steam decreases, the internal capacity of the water boiler decreases and the amount of water obtained increases; as a result, the production rate increases. In this way, water boilers control the rate of emissions. Many water tubes manufacturers are working to provide you with the best water tube boiler for you.

Why is a water tube boiler more efficient than a fire tube?

Due to convectional flow, movement of water is much faster than that of fire tube boiler, hence rate of heat transfer is high which results into higher efficiency. Very high pressure in order of 140 kg/cm 2 can be obtained smoothly. The working principle of water tube boiler is very interesting and simple.