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what the use of boiler drum im water tube boilers

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  • steam drum - wikipedia

    Steam drum - Wikipedia

    • water tube boiler - definition, components, working

      Water Tube Boiler - Definition, Components, Working

      The working principle of water tube boiler is thermal siphoning (circulation of natural water). Basically, this type of boiler includes two drums namely steam, lower or mud drum. The water tube boiler diagram is shown below, and these two drums are associated via two tubes such as downcomer and riser.

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    • water tube boiler parts and functions - boilersinfo

      Water Tube Boiler Parts and Functions - Boilersinfo

      There was also a spring loaded safety valve on top of the steam drum. In a water tube boiler fuel is fired into a water cooled furnace. Sheet metal and refractory enclosing the boiler called casing. At the end of the furnace, the flue gas turns into the convection section and travels towards the stack.

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    • the importance of boiler water and steam chemistry

      The Importance of Boiler Water and Steam Chemistry

      Though separation devices in drum boilers remove most water droplets carried by steam, some residual droplets containing small amounts of dissolved solids always carry through with the steam. Also, at higher pressures, there is some vaporous carryover. Excessive impurities can damage superheaters, steam turbines, or downstream process equipment.

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    • water tube boiler - construction, operation

      Water Tube Boiler - Construction, Operation

      Jun 10, 2017 · Due to continuous heat supply, some of the water gets vaporized into steam inside the tubes and a mixture of water and steam enters the boiler drum through the uptake header. The cold water from the boiler drum comes down through the uptake header and enters the lower end of the water tubes for getting heated further.

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    • water tube boilers | spirax sarco

      Water Tube Boilers | Spirax Sarco

      Longitudinal drum boiler The longitudinal drum boiler was the original type of water-tube boiler that operated on the thermo-siphon principle (see Figure 3.3.5). Cooler feedwater is fed into a drum, which is placed longitudinally above the heat source. The cooler water falls down a rear circulation header into several inclined heated tubes.

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    • water tube boiler | operation and types of water tube

      Water Tube Boiler | Operation and Types of Water Tube

      Mar 04, 2020 · Advantages of Water Tube Boiler. There are many advantages of water tube boiler due to which these types of boiler are essentially used in large thermal power station. Larger heating surface can be achieved by using more numbers of water tubes.

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    • what is the difference between a boiler and boiler drum

      What is the difference between a boiler and boiler drum

      Jun 13, 2016 · The boiler drum which is also known as steam drum is used on water tube boiler.The primary purpose is to separate the saturated steam from the steam-water mixture that leaves the heat transfer surface and enters the drum.The steam free water is …

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    • advantage and disadvantage of water tube boiler - an

      Advantage and Disadvantage of Water Tube Boiler - An

      Apr 23, 2018 · In Water Tube Boiler water will be heated inside the Boiler Tube and heat will pass around the Tubes. Generally, heat passes from the boiler Furnace or Combustion Chamber to around the Boiler Tube. There are some other components is present with the boiler like Economizer, Air Pre-Heater, Steam Drum, Feed Water Pump, Steam Re-Heater.

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    • water-tube boiler - wikipedia

      Water-tube boiler - Wikipedia

      Cool water at the bottom of the steam drum returns to the feedwater drum via large-bore 'downcomer tubes', where it pre-heats the feedwater supply. (In large utility boilers, the feedwater is supplied to the steam drum and the downcomers supply water to the bottom of the waterwalls).

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    • unit 12 - chapter 53 - watertube boilers flashcards | quizlet

      Unit 12 - Chapter 53 - Watertube Boilers Flashcards | Quizlet

      The use of bent tube boiler designs allows the furnace wall to be lined with tubes, thereby exposing more of the heating surface to: 1) Convection heat 2) Conduction heat

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    • boiler steam drum internals and function

      Boiler Steam drum internals and function

      In the water tube boiler the upper drum (Boiler steam drum) provides for separation of steam from water. It also provides liquid holdup capacity (typically 10 to 60 seconds) to allow for a dynamic response to load changes without losing liquid in the downcomer and riser tubes.

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    • what is boiler? boiler components - thermodyne boilers

      What is Boiler? Boiler Components - Thermodyne Boilers

      What is a Boiler? Boiler Definition . Boilers are defined as “Boiler is a closed vessel in which water or other liquid is heated, steam or vapor is generated, steam is super-heated, or any combination thereof, under pressure or vacuum, for use external to itself, by the direct application of energy from the combustion of fuels, from electricity or nuclear energy.

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    • what is a downcomer in a boiler? - quora

      What is a downcomer in a boiler? - Quora

      Aug 01, 2018 · In a vertical tube water- tube boilers, risers and downcomers are used to maintain internal boiler circulation using a convection type of circulation. The water drums are located below in- way of the furnace. As the water in the water drums below get heated up, the heated mixture of water and steam rises up to the steam drum above through risers.

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    • how water tube type steam boilers work - miura boiler

      How Water Tube Type Steam Boilers Work - Miura Boiler

      The water that has been heated inside the tubes rises to the top of the boiler into the steam drum. Sitting at the bottom of the steam drum is boiling water that continues to …

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    • finding the root cause of boiler tube failures

      Finding the Root Cause of Boiler Tube Failures

      Symptoms: Aggressive localized boiler tube corrosion and loss of tube wall.Pits can act as stress-concentration sites which can be initiation points for stress-related corrosion mechanisms. Causes: Oxygen pitting occurs with the presence of excessive oxygen in boiler water.It can occur during operation as a result of in-leakage of air at pumps, or failure in operation of preboiler water

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    • study 34 terms | water tube boilers flashcards | quizlet

      Study 34 Terms | Water tube boilers Flashcards | Quizlet

      Water drum equalizes water distribution to generating tubes, provides space for buildup of scale and solid matter in boiler (sludge). Sludge is removed by blow down 3. Briefly describe the construction details of …

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