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Ish Header After Attemperator In Boiler

Strategies for Inspecting HRSGs in Two-Shift and Low …

1/8/2014 · Problems with boiler and steam piping are often associated with the reheat piping, particularly in units where attemperator sprays have been designed with too-short downstream straight pipe

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Boiler types - Marine Engineering - Beyond Discovery

19/4/2021 · The original External Superheater 'D' (ESD) type of boiler used a primary and secondary superheater located after the main generating tube bank (Figure 4.3). An attemperator located in the combustion air path was used to control the steam temperature.

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Inside Power Station: Boiler Water Steam

3/9/2012 · From the economizer outlet header, feedwater is piped into both ends of the steam drum and is distributed along the drum length by means of a perforated feedpipe. Here the feedwater mixes with the hot water in the drum. This water mixture, called boiler water

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Superheater and Reheater Temperature Control in …

28/7/2009 · The superheater temperature control can be done by many ways. Methods like desuperheating by water injection, flue gas flow diverting, burner tilting are few of the commonly adopted systems. In large capacity boilers the injection type desuperheating is adopted for superheater temperature control. Reheater in power boilers can also be technically classified as superheaters, …

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Boiler types - Marine Engineering - Beyond Discovery

19/4/2021 · Boiler types. 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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Boiler Superheater Design Modification - SlideShare

11/12/2015 · Boiler Superheater Design Modification. 1. 2 Introduction & Boiler Description • HPCL had installed and commissioned two high pressure boilers for GFEC in 2009, namely SG-10 & SG-11. • 140 TPH at 40 Kg/cm2g design steam generation capacity. • Bi-drum, natural circulation, dual fuel fired 'D' type boiler. • Inverted loop, single pass

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Industrial Steam Boiler Manufacturer in India | …

Boiler Superheater's Manufacturing Our superheaters are manufactured according to the IBR Regulations.Thermodyne manufactures both coil type and shell type superheaters depending upon the type of boiler and boiler capacity.Coil type superheaters design generally consists of 180 o coils welded through the headers on both the sides.

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Strategies for Inspecting HRSGs in Two-Shift and Low …

1/8/2014 · Problems with boiler and steam piping are often associated with the reheat piping, particularly in units where attemperator sprays have been designed with too-short downstream straight pipe

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Power plant and calculations: Boiler

After filling the Boiler water will come out from vents of economiser, drum & super heater header. Initial close the economiser header vents Then close the Super heater & drum vents at pressure > 2 kg/cm2 to ensure air present in water is vented out completely (Sequence …

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Boiler | Kishore Karuppaswamy

3/3/2020 · BOILER The boiler is divided into a 'furnace' section and a 'second pass' by a division membrane wall. The furnace section is made of tube walls and a refractory wall. The furnace comprises the furnace side-wall, roof, floor & rear walls and the front refractory wall.

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CONDITION ASSESSMENT PROGRAMS FOR BOILER AND PIPING …

the boiler island components of Units No. 1 and 2 at Cajun Electric's Big Cajun II power sta-tion in New Roads, Louisiana. We formalized and instituted these programs following the discovery of serious cracking in a radiant superheater outlet header of the Unit

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Difference between attemperator and desuperheater - …

14/6/2012 · An attemporator controls steam temperature while a desuperheater removes whatever superheat there is in steam and reduces the temperature to a point at or nearly at saturation temperature. Attemporators are generally found in and/or associated with boiler steam, in zones where too high of a temperature affects something down stream of that point.

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Superheater and Reheater Temperature Control in …

28/7/2009 · The superheater temperature control can be done by many ways. Methods like desuperheating by water injection, flue gas flow diverting, burner tilting are few of the commonly adopted systems. In large capacity boilers the injection type desuperheating is adopted for superheater temperature control. Reheater in power boilers can also be technically classified as superheaters, …

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What is the difference between PRDS and attemperation …

19/8/2017 · From attemperator steam is passed through the SSH inlet header steam flows to SSH outlet header through thick coils. SSH is located between the U Beam and PSH-2. The SH headers are supported through sling rods with rocker washers from the super structure of the boiler.

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CFBC (circulating fluidization bed combustion )BOILER …

Difference between attemperator and desuperheater - Boiler and Press…

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Boiler Construction: Watertube Boilers

19/6/2010 · Steam after expansion in the high-pressure turbine is returned to a reheater in the boiler. Here the steam energy content is raised before it is supplied to the low-pressure turbine. Reheat boilers are based on boiler designs such as the 'D' type or the radiant type.

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Marine Boiler Types- Various Advantages

Marine boilers are of two types namely the water tube boiler and the fire tube boiler. The water tube type boiler is used for high-pressure, high-temperature, high-capacity applications. The Main boiler design depends on its application, ie. for motor ships, a

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CFBC (circulating fluidization bed combustion )BOILER …

19/8/2017 · From attemperator steam is passed through the SSH inlet header steam flows to SSH outlet header through thick coils. SSH is located between the U Beam and PSH-2. The SH headers are supported through sling rods with rocker washers from the super structure of the boiler.

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Water steam Circuit in Supercritical Boiler for 660MW …

9/11/2012 · An animated presentation over Complete water steam circulation in a super critical boiler with flow chart. The water-steam path through various Systems (High pressure & Low pressure systems) in boiler for a 660MW thermal power plat, and also indicates the temperature and pressure variations after flowing through individual systems.

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Boiler Superheater Design Modification - SlideShare

Water steam Circuit in Supercritical Boiler for 660MW Power Plant

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