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What does NB means in specifying Boiler tube diameter Ex- 100 NB 60 NB etc.?
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∙ 13y ago
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∙ 13y ago
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How does the fire tube boiler operate?
In a fire tube boiler, the water surrounds a set of tubes through which the fire and the products of combustion travel (as opposed to a water tube boiler, in which the water travels through the tubes, and the fire surrounds the tubes).The HVAC Veteran
What is the max pressure and capacity in fire tube boiler?
the maximum pressure and the capacity in the fire tube boiler are usually depends on the model design and specified by the manufacturers in the manufacturer manual.
What are the types of boiler?
fire tube & water tube . high pressure and low pressure. low capacity and high capacity.
What is use of stay tube in Cochran boiler?
The stay tubes basically hold the boiler together, they are thicker than the ordinary tubes and generally dont need to be replaced as often.
What is the Water tube boiler design procedure?
You will find it in any mechanical engineering heat transfer book
Which is better fire tube boiler or water tube boiler?
The words are literal , a water tube boiler is water inside the tubes with hot gases surrounding them and a fire tube boiler are got gases within the tubes with water surrounding them.
What are some crackers that are health beneficial?
Straight tube boiler and bend tube boiler
What are the advantages and disadvantages of fire tube boiler and water tube boiler?
the advantage is the design is complicated
What is difference between vertical and horizantal boiler?
there are two types of boilers water tube and fire tube. fire tube boilers are divided in to two categories vertical and horizontal. this according to the construction of fire tubes. it is said that vertical boilers are inefficient than horizontal boilers. The vertical boiler is small capacity, and horizontal boiler is higher capacity, well, the horizontal boiler have many types according the drums, there are single drums boiler, and double drums boiler, while, the single drums boiler have fire tube boiler and water and fire tube boiler, double drums boiler is usually water tube boiler.
How can you calculate heating surface area in water tube boiler?
Generally, the heat transfer area of reference is considered to be the outside surface area of the tube. Therefore, figure the outside diameter of the tube to get the heat transfer area.
What are the 2 main types of boilers?
Fire tube and water tube. Steam Boiler and Water Boiler.
What is a simple vertical boiler?
A simple vertical boiler is a type of fire-tube or water-tube boiler where the boiler barrel is oriented vertically instead of the more common horizontal orientation.
Difference between water tube boiler and fire tube boiler?
The answer is in the name. Boilers are made with a "tube - in - shell" construction, and the name implies what is in the tube. In a water tube boiler, the water circulates through the tubes, and the burner is usually under them. Most of the time, the "shell" of this style of boiler would not be watertight. A fire tube boiler has a watertight outer jacket with tubes through the center of it. The flame is shot through the tubes.
What is meant by soda boiling of a new install boiler plant?
soda boiling of boiler means removing of oil traces and mill scales of boiler tube material with mild steam heating of filled boiler water and allowing to circulate naturally
What is the average Boiler Tube Lifespan?
The average lifespan of a boiler tube is 20 to 40 years. Boiler tubes are made out of heat-resistant carbon and low-alloy steel.
Find the heating surface of a water tube boiler tube with a 3 diameter and 20 feet long?
3.14*3*20*12= 2260.8 sq inthe heating surface of a fire tube boiler is determined by adding all of the surface of the tubes that have hot water on one side and/or fire or gases of combustion on the other, including the super heater and economizer.
Difference between fire tube boiler and water tube boiler?
The difference between the two is that the Water tube boilers are safer and last much longer than the fire tube boiler. Their size is also larger and have a faster recovery time. However fire tube boilers have a low cost.
