difference between fine tube and water tube boilers

Typical Causes of Slagging and Fouling Problems in Boilers

The tube spacing of all boilers becomes progressively more restrictive as the heat transfer process changes from radiant in the furnace to convective in the back pass. Source: Storm Technologies Inc.

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Steam/water circulation design - KTH

Shell type boilers. A steam boiler can be either a large volume (shell) type boiler or a water tube boiler. Shell type boilers are boiler that are built similarly to a shell and tube heat exchanger (Figure 2). In large volume (shell) type boilers a burner or a grate is situated inside a big tube, called chamber.

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Solved: 1. (a) Explain The Differences Between Fire-tube B

1. (a) Explain the differences between fire-tube boilers and water-tube boilers with respct to the following: • construction • operation • main mechanisms of heat transfer • properties and uses of steam produced. (b) Discuss the major factors which affect the choice of boiler type for particular applications.

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Comparison Between Fire Tube and Water Tube Boiler

Jun 05, 2018· Comparison Between Fire Tube and Water Tube Boiler. 9 The drum size is large and damage caused by bursting is large. If any water tube is damaged, it can be easily replaced or repaired. 10 Simple in design, easy to erect and low maintenance cost. Complex, design, difficult to erect and high maintenance cost.

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Difference Between Heat Recovery Steam Generators (HRSG

Heat Recovery Steam Generator's (HRSG's) are waste heat boilers. The steam turbine or a downstream process uses the steam. The term HRSG refers to the waste heat boiler in a Combined Cycle Power Plant. In its basic form these are bundles of water or steam carrying tubes paced in the hot gas flow path.

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Classification of boilers | CrazyEngineers

Aug 17, 2018· Classification of boilers. The whole point is that the Babcock-Wilcox is a water tube boiler designed for large volumes of steam, while the Cochran one is a firetube one for small plants designed with a small foot print. They are meant for different applications.

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Boiler Types and Classifications - Wiki - odesie by Tech

Water-tube Boilers. The advantages of a water-tube boiler are a lower unit weight-per-pound of steam generated, less time required to raise steam pressure, a greater flexibility for responding to load changes, and a greater ability to operate at high rates of steam generation.

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Lochinvar Products - Boilers category

Indirect Plate and Frame Commercial Water Heater: Crest Condensing Boiler: FTXL Fire Tube Boiler: Knight XL: Outdoor Knight Boiler: Power-Fin Boiler Noble Fire Tube Boiler: Epic Fire Tube Combi: Epic Fire Tube Boiler: Solution Heating Boiler: Squire Stainless Steel Buffer Tank: Hydronic Buffer Tanks: Commercial Water Heaters: Residential

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An Introduction to Steam Boilers and Steam Raising - N.E.M

However, the boiler water immediately at the tube surface is considerably hotter than the bulk boiler water. As steam bubbles form near the tube wall, the soluble salts remain with the boiler water. This creates a localized high concentration of salts, even though the bulk boiler water may be well below saturation levels.

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TYPE OF CIRCULATION - tpub.com

In water-tube boilers, the water flows through the tubes and is heated by the gases of combustion that fill the furnace and heat the outside metal surfaces of the tubes. All propulsion boilers used in naval ships are of the water-tube type. Auxiliary boilers may be either fire-tube or water-tube boilers.

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Wetback Firetube Boilers - Industrial Boiler & Mechanical

Wetback Firetube Boilers. The surrounding water absorbs burner heat, helping improve operating efficiency as heat from combustion goes directly into evenly heating water instead of refractory. The wet back boiler design uses separate tube sheets between

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Plant Theory - Firetube Boilers Flashcards | Quizlet

Plant Theory - Firetube Boilers. Unit 12 - Chapter 52 - A2. STUDY. PLAY. List the limiting factors used to classify hot water supply boilers.-capacity of 454L-temperature 93*C Plant Theory - Water Tube Boilers 35 terms. strobacher. BCIT- Power Engineering, Maintenance Midterm 120 terms.

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The soot and scale problems - Danfoss Heating

The soot and scale problems Page 4 NOTES 3. Fire tube and water tube differences There is a basic difference between fire tube and water tube arrangements, with respect to the location of the soot and scale. Figure 1 shows a water or superheater tube with soot at the outside of the tube and scale at the inside. In a water tube boiler the hot

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15 Difference: Pipe and Tube - HYSP | Steel Pipe Supplier

At the first sight, pipe and tube looks the same. There are many similarity for pipes and tubes: all made of metal, with same shape, and all hollow But there are many difference between them. Let's see the 15 Difference Between Pipe and Tube. 1. Pipe Diameter and Tube Diameter Pipe diameter refers to a nominal diameter- not actual.

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Solved: 1. (a) Explain The Differences Between Fire-tube B

1. (a) Explain the differences between fire-tube boilers and water-tube boilers with respct to the following: • construction • operation • main mechanisms of heat transfer • properties and uses of steam produced. (b) Discuss the major factors which affect the choice of boiler type for particular applications.

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Difference Between Fire Tube Boiler and Water Tube Boiler

Apr 23, 2016· The difference between fire tube boiler and water tube boiler can be done on various points. These points includes types of fluid flows within the tubes, steam generation rate, floor area required for the steam generation, transportation, efficiency, fluctuating loads, operating cost etc. the knowledge of the difference about these two boiler is very crucial.

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Solved: 1. (a) Explain The Differences Between Fire-tube B

1. (a) Explain the differences between fire-tube boilers and water-tube boilers with respct to the following: • construction • operation • main mechanisms of heat transfer • properties and uses of steam produced. (b) Discuss the major factors which affect the choice of boiler type for particular applications.

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difference between water tube and fire tube in the boiler

The difference between fire tube boiler and water tube boiler can be done on various points. These points includes types of fluid flows within the tubes, steam generation rate, floor area required for the steam generation, transportation, efficiency, fluctuating loads, operating cost etc. the knowledge of the difference about these two boiler

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Water-tube boiler - Wikipedia

Water-tube boiler. 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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Connecting New Boilers to Old Pipes - Heating Help

Aug 13, 2015· Here are some tips when connecting new boilers to old pipes. as that unit will condense any time that it is operating due to the temperature difference between the room air and flue gas temperature. When you are connecting a condensing boiler to an existing hydronic system, it may or may not condense. the boiler water temperature will

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