15/7/2021 · A number of small diameter tubes are placed inside a water tube boiler and they offer a greater surface area for heat exchange. This true if in place of these small diameter tubes, if a large diameter tube is placed then the surface area for heat exchange will be much lesser, for example, four 50 mm diameter tubes will have an approximate same crossectional area to one large 100 mm diameter tube.
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Advantages and Disadvantages of Water Tube Boilers--ZBG
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Operation and Types of Water Tube Boiler - Electrical4U
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28/8/2019 · Water Tube Boiler is a high-pressure boiler that operates at a pressure of about 165 bar. Basically, in this boiler, water will be flown inside the tubes surrounded by flue gases. More steam is generated by using this boiler so, the overall efficiency of the boiler is high. The water Tube boiler is shown in the figure below.
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10/12/2020 · In water tube boiler, water is circulated in tubes and hot gases are passed over it. In Fire tube boiler, Hot gas is circulated through the tube and water flows over it. 2. It can generate steam at higher pressure (more than 25 bar). It can generate steam at a lower pressure (up to 25 bar). 3.
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Advantages of Water Tube Boiler: Operation: Operating a Water Tube Boiler is safe and easy. Hitting Surface: It has more hitting surface and has many READ MORE. The main advantages of firetube boilers include the fact that they are less expensive to purchase. They may be 50 to 60 percent the cost of a watertube boiler.
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Advantage and Disadvantage of Water Tube Boiler - An Electrical Engin…
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This boiler shows a reversal chamber that is surrounded by water, uses as a medium to direct fluegasses from the furnace to the tube. The surrounding water captures heat, increasing the operationalefficiency as heat from the combustion passes rapidly into the warm heating water instead of refractory.It uses a separate tube sheet, between tubes passes tobe more pardoning with load changes.
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Fire tube boiler can be used in small industry. 4. Treatment of feed water is not very essential in fire tube boiler. 5. No pure feed water is required in FTB, So cost can be minimized because pure feed water is costly. 6. For the same power output, the cost of a fire
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12/9/2020 · Advantages of water tube boiler is explain as below 1. Overall efficiency of water tube boiler is large than fire tube boiler. 2.
Get a quote These design changes have resulted in a marked improvement in heat transfer efficiency of the fire-tube boilers. Another outcome from this is that the overall footprint (boiler size) of the fire-tube boilers will be smaller in comparison to the water-tube boilers only in the lower capacities up to about 4,000,000 BTU/hr.
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20/7/2020 · 1.Water converts into steam very Quickly.When the water flow through the tubes,it is only surrounded by heat rather than the other way around. Since the tube holds less water than the tank of fire tube boiler so,it takes less time to convert that water into steam and thus less consumption of fuel.
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The advantages of water tube boilers vary according to its types; they may be similar in few conditions and differ in another so, the advantages of Water Tube Boiler Types are as follows The Water Tube Boilers can consume less area in the overall Plant. Water Tube Boilers are much efficient to give an output of 90 percent at most (efficiency).
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Advantages of water tube boilers Water tube boiler systems are mainly applied in applications requiring high steam pressures owing to their capability to tolerate higher pressures built up inside the boiler tubes.
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21/12/2019 · Water tube boiler is such kind of boiler where the water is heated inside tubes and the hot gasses surround them. This is the basic definition of water tube boiler. Actually this boiler is just opposite of fire tube boiler where hot gasses are passed through tubes which are surrounded by water.
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The marine water tube boiler, for example, has to be as light as possible, economical in fuel, able to supply steam at a high rate and capable of withstanding high pressures. One of the best known forms of water tube boiler is the Yarrow boiler, of which six examples are seen above in the maker's works.
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24/5/2014 · Main Features. Key features of water tube boilers are listed below: They usually exist in larger sizes as compared to fire tube boiler designs. The size of a typical water tube boiler can go upto quite a few million pounds per hour of steam generated. They are proficient in dealing with steam pressures which can be as high as 5,000 psig.
Get a quote Benson Boiler Definition: Benson Boiler is a high pressure, drumless, supercritical water tube boiler that makes use… Cochran Boiler: Definition, Parts, Working, Specification, Applications, Advantages & Disadvantages Cochran boiler is efficient than the simple vertical boiler …
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17/1/2020 · Water-tube boilers are highly efficient, produce very high pressures, and for their low water content, respond fast to fluctuations in demand for steam. The degree of steam pressure limits its availability as 'packages" because as the pressure generated increases, so does the size of the boiler.
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The maximum working pressure of the water tube boiler is 250 bar. 2. Overall efficiency is up to 90% with an economizer. 3. It requires less floor area for a given output. 4. Load fluctuation can be easily handed. 5. The rate of steam generation and the quality of steam for suitable power generation are much better.
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