difference of fire tube and water tube boiler Agent

Firetube Boilers - National Board of Boiler and Pressure ...

In a scotch boiler the furnace is a large diameter tube within the boiler surrounded by water. Some older large scotch boilers had two or three furnaces but modern boilers typically have only one. Scotch boilers may be two-pass three-pass or four-pass depending upon the arrangement of baffles and .

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Water-tube or fire-tube condensing boiler which is the ...

The heat from the hot gases transfers through the walls of the tubes and heats the water. In a water-tube boiler the water is in the tubes while the fire is external to the tubes. The hot flue gases pass around and between the tubes heating the water and then out the boiler vent.

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Choosing The Right Boiler: Watertube vs. Firetube - Boiler ...

Jun 13 2013 · Watertube boilers are safer by design and generally considered to last much longer than the firetube boiler. They are available in much larger sizes and recover faster than firetube boilers can handle pressures up to 5000 psig and have the ability to reach very high temperatures with the use of

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Types of Marine Boilers and Difference Between Water Tube ...

1) Smoke tube boilers are heavy in comparison to the water tube boilers. 2) Its efficiency is low and can only generate low or medium pressure steam. 3) Smoke tube boilers are having less efficient combustion. 4) Generally in smoke boilers the threat of thermal stress is high because circulation is poor.

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Fire Tube Boiler - Construction Types and Its Working

Difference between Fire Tube Boiler and Water Tube Boiler In fire tube the flow of hot flue gases will be through pipes and enclosed with water whereas in water tube the flow... The low-pressure range of fire tube is up to 20 bar whereas in water tube up to 250 bar. The load fluctuations in the ...

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Fire Tube Boiler | Operation and Types of Fire Tube Boiler ...

Oct 27 2020 · In this way a fire tube boiler controls its own pressure. In other words this is a self pressure controlled boiler. Advantages of Fire Tube Boiler. Compact in construction. Fluctuation of steam demand can be met easily. Cheaper than . Disadvantages . Due to large the required steam pressure rising time quite high.

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Steam Boiler: Types and Designs - Certified Commercial ...

Water tube boilers can take up less physical space for large-capacity units. Water tube boilers can be 90% efficient as compared to a 75% limit for fire tube designs. The design of water tube boilers is generally more complex than for fire tube boilers and maintenance is typically greater.

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Water-tube or fire-tube condensing boiler which is the ...

The heat from the hot gases transfers through the walls of the tubes and heats the water. In a water-tube boiler the water is in the tubes while the fire is external to the tubes. The hot flue gases pass around and between the tubes heating the water and then out the boiler vent.

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Package boiler Fire tube package boiler water tube package ...

Packaged boiler classifications. Packaged boilers can be water tube or fire tube. These boilers are classified single pass 2 pass and 3 pass boilers. based on the number of times the hot combustion gases pass through the of the . Package boilers can be further classified to Wet back

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Fire Tube vs. Water Tube Boilers - Honiron Manufacturing

Dec 07 2016 · Unlike fire tube boiler where the hot gas is circulated through tubes to heat water in a tank water tube boilers involve running water through tubes surrounded by a heated tank. These types of boiler are generally considered safer than fire tube designs and typically require less frequent maintenance. They also can be designed for larger capacities and recover quicker. Water tube boilers

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Shell Boilers | Spirax Sarco

Shell boilers may be defined as those boilers in which the heat transfer surfaces are all contained within a steel shell. Shell boilers may also be referred to as fire tube or smoke tube boilers because the products of combustion pass through the which in turn transfer heat to the surrounding .

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Fire Tube Steam Boiler | Nationwide Boiler - Nationwide ...

In a watertube boiler water travels through tubes which are surrounded by the by-products of combustion or flue gas. In a firetube boiler the flue gas travels through the tubes which are surrounded by hot water. Firetube boilers are typically designed with either three or four sets of tubes (three-

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Water Tube Boilers vs. Fire Tube Boilers | Miura America

From a design standpoint water tube boilers and fire tube boilers have completely opposite approaches in how this contact happens. In a fire tube design hot flue gas travels through tubes that are surrounded by the water. In a water tube design the opposite applies the water heats by traveling through a tube surrounded by flue gas.

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Advantage Disadvantage of Fire tube vs Water Tube - Boiler

3) Cheaper than water tube boiler. Disadvantages of Fire Tube Boiler 1) Due to large water the required steam pressure rising time quite high. Merits And Demerits Of Fire Tube Boilers Kainon Boiler Dec 27 2016 Advantages : Fluctuation of steam demand can

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Water tube boiler working and function - SlideShare

May 04 2017 · Difference bw water tube & fire tube boiler Water tube. Water circulate inside the tubes. Steam generation capacity is high. Higher efficiency. It has greater heating surface. Its cleaning is easy. Its shape is drum type. Each type of fuel is burned in it. Transportation is easy from one place to other.

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4 Different Designs of the Fire Tube Boiler: Which Is Best ...

Dec 02 2016 · The most common characteristic of the firebox boiler design is a furnace that may be contained partially in the boiler. The furnace is cooled by water for the majority of its entire surface area. Multi-pass boilers are an extremely common option. These boilers are typically found in colleges universities or areas where the system is used to produce steam for space heating or use to create hot . 3. Scotch Design. The scotch

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Comparison between Fire tube and Water tube boilers ...

Jul 02 2016 · 1. In Fire-tube boilers hot flue gases pass through tubes and water is surrounds them. In Water-tube boilers water passes through tubes and hot flue gasses is surround them. 2. The working pressure is low up to 20 bar. The working pressure is high enough up to 250 bar. 3.

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Types of Marine Boilers and Difference Between Water Tube ...

1) Smoke tube boilers are heavy in comparison to the water tube boilers. 2) Its efficiency is low and can only generate low or medium pressure steam. 3) Smoke tube boilers are having less efficient combustion. 4) Generally in smoke boilers the threat of thermal stress is high because circulation is poor.

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Firetube Boilers vs Watertube Boilers: Which Is Right for ...

In a watertube boiler the heating element acts directly on tubes filled with water which run through the furnace casing to produce the needed steam or super-hot water. In a firetube boiler the heating element produces hot water through a more indirect mechanism.

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Advantages and Disadvantages of Water Tube Boilers over ...

Advantages and Disadvantages of Water Tube Boilers over Fire Tube Boilers: Advantages: 1. Steam can be raised more quickly: In water tube boilers the ratio of water content to the steam capacity is comparatively less than the fire tube boiler. Hence water tube boilers can quickly generate steam at the required pressure than the fire tube boiler. 2.

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