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longitudinal drum water tube boiler meaning and their functions

    • water tube boilers | spirax sarco

      Water Tube Boilers | Spirax Sarco

      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 parts and functions - boilersinfo

      Water Tube Boiler Parts and Functions - Boilersinfo

      Jul 25, 2017 · The main function of the steam drum is to provide water storage and space to separate steam from water. Mud or Water Drum Mud or water drum the lower drum is directly attached to upper steam drum with large no of straight tubes bundles called boiler bank tubes. Solids and mud can settle in this mud drum for removal through periodic blowdown.

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    • water tube boiler | operation and types of water tube

      Water Tube Boiler | Operation and Types of Water Tube

      Feb 24, 2012 · A 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. Advantages of Water Tube Boiler

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    • water tube boiler parts and their functions--zozen

      Water Tube Boiler Parts And Their Functions--Zozen

      There are many pressure parts and non pressure parts in a water tube boiler, we list the main components of the water tube boiler and their functions. Steam drum. Steam drum is a collection vessel for steam & water. Here water & steam is separated. It has steam separators. Steam goes from top side to superheater & water goes from the bottom through down comer Mud drum, then to furnace bottom …

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    • water tube boiler - definition, components, working

      Water Tube Boiler - Definition, Components, Working

      Jan 24, 2019 · 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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    • water tube boiler - definition, components, working

      Water Tube Boiler - Definition, Components, Working

      Water Tube Boiler Components of Water Tube Boiler. The water tube boiler can be built with boiler shell, burner, mud drum or mud ring, furnace, safety valve, strainer, sight glass, feed check valve, steam stop valve, etc. Boiler Shell: This shell is the external …

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    • boilers : types and classification

      Boilers : Types and Classification

      The cooler water goes to the inclined tubes and the water is heating eventually in the hot tubes. As the water boils its density decreases and there is circulation of hot water and steam. Steam is separated from water in steam drum and taken out. Longitudinal drum boilers range from 2250 kg/h to 3600 kg/h. 2. Cross drum boiler.

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    • chapter two: boiler operation maintenance & safety study …

      CHAPTER TWO: Boiler Operation Maintenance & Safety Study …

      Water tube boilers are classified as follows: 1. Horizontal straight tube boilers (a) Longitudinal drum (b) Cross-drum. 2. Bent tube boilers (a) Two drum (b) Three drum (c) Low head three drum (d) four drum. 3. Cyclone fired boilers Various advantages of water tube boilers are as follows: (i) High pressure of the order of 140 kg/cm2 can be

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    • water-tube boiler - wikipedia

      Water-tube boiler - Wikipedia

      A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-generating tubes.In smaller boilers, additional generating tubes are separate in the furnace, while larger utility boilers rely on the water-filled tubes

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    • water and fire tube boilers - slideshare

      Water and fire tube boilers - SlideShare

      Apr 17, 2015 · Type of water tube boiler Babcock and Wilcox boiler The longitudinal drum boiler is the generally accepted standard of Babcock & Wilcox construction. The cross drum boiler, though originally designed to meet certain conditions of headroom, has become popular for numerous classes of work where low headroom is not a requirement which must be met.

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    • engineering and technology: steam boiler, working

      Engineering And Technology: Steam Boiler, Working

      Oct 15, 2016 · Types of Water Tube Boiler There are many types of water tube boilers, such as Horizontal Straight Tube Boiler. Bent Tube Boiler. Cyclone Fired Boiler. Horizontal Straight Tube Boiler again can be sub - divided into two different types, Longitudinal Drum Water Tube Boiler. Cross Drum Water Tube Boiler.

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    • steam generator - encyclopedia article - citizendium

      Steam generator - encyclopedia article - Citizendium

      Feb 12, 2013 · Water-tube boilers. Water-tube boilers with longitudinal steam drums, as in Figure 3, were developed to allow increases in generated steam pressure and increased capacity. The water-tube boilers, in which water flowed through inclined tubes and the combustion product gases flowed outside the tubes, put the desired higher steam pressures in the small diameter tubes which could withstand …

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    • thermal power plant boiler - deepakkumar yadav

      Thermal Power Plant Boiler - Deepakkumar Yadav

      Jan 24, 2021 · The water tube boilers are available in a number of different designs, they may be straight or bent tube type, longitudinal or cross-drum type, horizontal tube type, vertical or inclined tube type or natural circulation, single or multi-drum type etc. Special designs of boilers using high steam pressures, using forced circulation are developed.

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    • brief history of water-tube boilers [1] - project gutenberg

      BRIEF HISTORY OF WATER-TUBE BOILERS [1] - Project Gutenberg

      About the same time, Jacob Woolf built a boiler of large horizontal tubes, extending across the furnace and connected at the ends to a longitudinal drum above. The first purely sectional water-tube boiler was built by Julius Griffith, in 1821. In this boiler, a number of horizontal water tubes were connected to vertical side pipes, the side

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    • fire-tube boiler - wikipedia

      Fire-tube boiler - Wikipedia

      A fire-tube boiler is a type of boiler in which hot gases pass from a fire through one or more tubes running through a sealed container of water. The heat of the gases is transferred through the walls of the tubes by thermal conduction, heating the water and ultimately creating steam.. The fire-tube boiler developed as the third of the four major historical types of boilers: low-pressure tank

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    • basic boiler construction - rananaseemshahid

      Basic Boiler Construction - rananaseemshahid

      longitudinal seam of a boiler shell or drum. Fig. 10 (b) is a sketch of a method of welding a head to a boiler drum, as viewed from the side of the drum. Figure 10 Welding Groove for Longitudinal Seam (Double welded Butt Joint) A section of a typical weld is shown in …

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    • (doc) raghu engineering college | ayyappa kola - …

      (DOC) RAGHU ENGINEERING COLLEGE | Ayyappa kola - …

      The brickwork around the boiler encloses the furnace and the hot gases.Babcock Wilcox water tube boiler with cross draw differs from longitudinal drum boiler in a way that how drum is place with reference to the axis of the water tubes of the boiler. The longitudinal drum restricts the number of tubes that can be connected to one drum

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    • what is a downcomer in a boiler? - quora

      What is a downcomer in a boiler? - Quora

      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

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    • water handbook - boiler system failures | suez

      Water Handbook - Boiler System Failures | SUEZ

      In some steam drum designs, water level is extremely critical because the baffling may isolate a generating section of the boiler when the steam drum water level falls below a certain point. Thin-lipped bursts also occur in superheater tubes when steam flow is insufficient, when deposits restrict flow, or when tubes are blocked by water due to

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