Boilers can be classified as follows:
1. According to the flow of water and hot gases – fire tube (or smoke tube) and water tube boilers.
In fire tube boilers, hot gases pass through tubes which are surrounded with water. Examples: Vertical, Cochran, Lancashire and Locomotive boilers. There may be single tube as in case of Lancashire boiler or there may be a bank of tubes as in a locomotive boiler.
In water tube boilers, water circulates through a large number of tubes and hot gases pass around them. Eg., bobcock & Wilcox boiler.
2. According to the axis of the shell – vertical and horizontal boilers.
3. According to location or position of the furnace. Externally and internally fired boilers.
In internally fired boilers, the furnace forms an integral part of the boilers structure. The vertical tubular, locomotive and the scotch marine boilers are well known examples.
Externally fired boilers have a separate furnace built outside the boiler shell and usually below it. The horizontal return tube (HRT) boiler is probably the most widely known example of this type.
4. According to the application – stationery and mobile boilers. A stationary boilers is one of which is installed permanently on a land installation.
A marine boiler is a mobile boiler meant for ocean cargo and passenger ships with an inherent fast steaming capacity.
5. According to steam pressure – low, medium and high pressure boilers.
1. According to the flow of water and hot gases – fire tube (or smoke tube) and water tube boilers.
In fire tube boilers, hot gases pass through tubes which are surrounded with water. Examples: Vertical, Cochran, Lancashire and Locomotive boilers. There may be single tube as in case of Lancashire boiler or there may be a bank of tubes as in a locomotive boiler.
In water tube boilers, water circulates through a large number of tubes and hot gases pass around them. Eg., bobcock & Wilcox boiler.
2. According to the axis of the shell – vertical and horizontal boilers.
3. According to location or position of the furnace. Externally and internally fired boilers.
In internally fired boilers, the furnace forms an integral part of the boilers structure. The vertical tubular, locomotive and the scotch marine boilers are well known examples.
Externally fired boilers have a separate furnace built outside the boiler shell and usually below it. The horizontal return tube (HRT) boiler is probably the most widely known example of this type.
4. According to the application – stationery and mobile boilers. A stationary boilers is one of which is installed permanently on a land installation.
A marine boiler is a mobile boiler meant for ocean cargo and passenger ships with an inherent fast steaming capacity.
5. According to steam pressure – low, medium and high pressure boilers.
Types of boilers:
Fire Tube Boilers
| Water Tube BoilersHigh Pressure Boilers |
8 comments:
Iam a dealer of furnace systems san jacinto, its informative for me..
Thanks for sharing this various types of boilers. Boilers Marietta
In fire tube boilers, hot gases pass through tubes which are surrounded with water. Examples: Vertical, Cochran, Lancashire and Locomotive boilers. There may be single tube as in case of Lancashire boiler or there may be a bank of tubes as in a locomotive boiler. boiler engineers
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Thanks for sharing...!!!
Thanks for sharing this informative post. The boiler is the most important part of a steam or hot water heating system because it is what actually provides the heater. Boilers are classified as "high-pressure" or "low-pressure" and "steam boiler" or "hot water boiler." This post is very helpful for anyone to understand the boiler types. Recently I have taken the fire tube boiler service from Tru-Steam Boilers and Service (TBS) Pty Ltd. They offer different types of boiler services. I am very satisfied with their valuable service.
A steam boilers are a covered canister that furnishes a procedure for combustion heat to be moved into water until the water becomes vapor. The vapor is then utilized for transferring the heat to a method.
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