boiler Agent fire tube and water tube difference

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Water Tube Boiler - Definition Components Working ...

A water tube boiler can be defined as a Steam boiler in which the flow of water in the tubes as well as hot gases enclose the tubes. Not like fire tube boilers this boiler attains high-pressures as well as high-steam capabilities can be achieved. This is because of condensed tangential pressure on tubes which is known as hoop stress.

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Fire Tube vs. Water Tube Boilers - Honiron Manufacturing

Dec 07 2016 · Water Tube Boilers 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.

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Wetback vs Dryback firetube boiler design

Understanding the operational design differences. Firetube boilers are available in either dryback or wetback design. They are identified by the type of reversal (turnaround) chamber or posterior portion of the combustion chamber through which flue gasses travel through the furnace to second-pass to heat within the .

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Boilers - SlideShare

Oct 14 2013 · Comparison between Fire tube boiler and Water tube boiler Fire Tube Boiler 1) Hot gases are inside the tube and water is outside. Water Tube Boiler 1) Water is inside the tube and hot gases outside. 2) Can work under as high pressure as more than

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Advantage Disadvantage of Fire tube vs Water Tube - Boiler

In water tube boilers the fluid with higher density (water) flows through pipes Advantage and disadvantage of fire tube boiler SlideShare Jun 23 2015 3) Cheaper than water tube boiler. Disadvantages of Fire Tube Boiler 1) Due to large water the required steam pressure rising time

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

In a water-tube boiler it contains a minimal amount of water at any given time. It may be just one-tenth the volume of a fire tube boiler which requires a larger volume of water to act as a heat shield so that metal in the boiler doesnt melt and create problems. When fire tube boilers run low on water the metal in the boilers shrinks.

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Differences between Water Tube and Fire Tube Boilers ...

Steam Boilers Question Bank Sl. No. Questions 1 Sate the difference between forced circulation and natural circulation boiler. 2 Among the two fire tube and water tube boilers which one can generate steam faster? Justify your answer. 3 What is the function of fusible plug? 4 Differentiate between mountings and

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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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Fire Tube Boiler - Construction Types and Its Working

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 fire tube cannot be handled whereas in a water tube it can be handled easily. This boiler occupies more floor area for output whereas in a water tube boiler it occupies less area.

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Firetube vs Watertube Boilers: a Comparison

Feb 19 2015 · The firetube boiler passes combustion gas inside a series of tubes surrounded by water in a vessel to produce steam while a watertube instead sends water through a series of tubes surrounded by combustion gas used to transfer heat energy and produce steam. Industrial steam boilers come in many shapes sizes and configurations - and both firetube boilers and watertube boilers have their

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Marine Boiler Types- Various Advantages

The watertube boiler is employed for high-pressure high-temperature high-capacity steam applications e.g. providing steam for main propulsion turbines or cargo pump turbines. Firetube boilers are used for auxiliary purposes to provide smaller quantities of low-pressure steam on diesel engine powered ships.....

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boilers Flashcards | Quizlet

Boiler. used to create/make steam (combination of boilers and furnaces. two types of boilers. fire and water. difference between fire and water tube. water tubes are most common larger and are used in the plants; fire tubes are smaller and used in building and less common.

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Wetback vs Dryback firetube boiler design

Understanding the operational design differences. Firetube boilers are available in either dryback or wetback design. They are identified by the type of reversal (turnaround) chamber or posterior portion of the combustion chamber through which flue gasses travel through the furnace to second-pass to heat within the .

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Comparison Between Fire Tube and Water Tube Boiler

Mar 21 2016 · Water tube boiler. 1. In Fire-tube boilers hot flue gases pass through tubes and water surrounds them. In Water-tube boilers water passes through tubes and hot flue gasses surround them. 2. These are operated at low pressures up to 20 bar. The working pressure is high enough up to 250 bar in super critical boilers. 3.

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Water and fire tube boilers - SlideShare

Apr 17 2015 · Fire Tube Boilers 8. Water Tube Boilers In this type of boiler water passes through the tubes while the gases remain in the shell side passing over the tube surfaces Used for high steam demand and pressure requirements Capacity range of 4000 120000 kg/hour Combustion efficiency enhanced by induced draft fans.

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Difference between Fire tube boiler and water tube boiler

Aug 06 2014 · Difference between Fire tube boiler and water tube boiler Structure Both are shell and tube type of boiler fire tube have hot gases inside the tube while water tube have water inside the tube and hot gases surrounding them

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Water Tube Boilers | Spirax Sarco

Water-tube boilers differ from shell type boilers in that the water is circulated inside the tubes with the heat source surrounding them. Referring back to the equation for hoop stress (Equation 3.2.1) it is easy to see that because the diameter is significantly smaller much higher pressures can be

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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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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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Advantages and Disadvantages of Fire Tube Boiler--ZBG

1. The water is supplied in shell and outside tubes while hot gas is supplied inside tubes so the water volume can not be shaken easily when the fire tube boiler is running. 2. Fire tube boiler is so easy to use operate clean and maintain 3. Fire tube boiler can be used in small scale industries. 4. Fire tube boiler is relatively cheaper than water tube boiler. Disadvantages of fire tube boiler: 1. From the furnace

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