Water Tube Boiler Diagram Pictures
This is the basic definition of water tube boiler.
Water tube boiler diagram pictures. There are many advantages of water tube boiler due to which. To cut short the main purpose of boiler is to boil a liquid mostly the water in order to generate the steam for serving the purpose of heating a building or running an equipment through pressurized steam or pressurized water. Water tube boilers were developed for a variety of reasons including the need for higher steam pressures higher steam generation rate superheated steam. The main feature of the boiler is that the furnace of the boiler is surrounded by water and therefore there is no requirement of refractory material.
The longitudinal drum boiler was the original type of water tube boiler that operated on the thermo siphon principle see figure 3 3 5. What is a water tube boiler. Carbon steel whereas. Economizers and water wall sections are usually constructed with a mild or medium.
Whenever the fuel is burned then hot gases will be generated that are permitted to supply in the shell part of the boiler. At first the water is supplied into the steam type drum with the help of a water pump. Boiler drum and steam separation. A water tube boiler is such kind of boiler where the water is heated inside tubes and the hot gasses surround them.
This type often looks like a rectangular box with a burner mounted to it. As the name implies the tubes contain the water being heated and are surrounded by the hot combustion gases. The water tube boiler diagram is shown below and these two drums are associated via two tubes such as downcomer and riser. The furnace flame volume can either be inside or external to the shell that contains the water.
Advantages of water tube boiler. Its virtually a large fire box with water tubes. Fire tube boilers are useful for small demands of steam and water tube boilers are useful for industrial level usage. Alternative water tube boiler layouts.
Designation sa xxx or an essentially equivalent. It is a single phase pass boiler which means that the hot gases pass just through the horizontal tube stack before going to the exhaust. Actually this boiler is just opposite of fire tube boiler where hot gasses are passed through tubes which are surrounded by water. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.
We briefly discuss about water tube boiler parts and functions. Alloys for use as boiler tube materials in the united states are identified by an asme. 9 4 2013 steag o m company 10. The upper steam capacity of fire tube boilers is about 20 000 ibm hr and the peak pressure.
The following layouts work on the same principles as other water tube boilers and are available with capacities from 5 000 kg h to 180 000 kg h.