Nptel For High Pressure Boiler

How Supercritical Power Plant Differ from

2  · Supercritical power plants use special high grade materials for the boiler tubes. The turbine blades are also of improved design and materials. In fact, the very increase in higher pressure and temperature designs are dependendent on the development of newer

Get a Quote

(PDF) Boiler Calculations | Michael Dellon -

Academia.edu is a platform for academics to share research papers.

Get a Quote

Water Handbook - Ion Exchange amp; Water

2020-8-8 · Demineralizers can produce high-purity water for nearly every use. Demineralized water is widely used for high pressure boiler feedwater and for many process waters. The quality of water produced is comparable to distilled water, usually at a fraction of

Get a Quote

KEY COMPONENTS OF BOILERS | Boilers Guide

Boiler safety controls include high pressure and temperature, high and low gas/oil pressure, and high and low water level and flame safeguard controls. These controls are considered safeties or limits that break the electrical circuit to prevent firing of the boiler. For example, if the event pressure in the boiler exceeds the pressure limit

Get a Quote

What is boiler draught? - Quora

Boiler draught is defined as the small difference between the pressure of outside cold atmospheric air and that of gases within a furnace or chimney. The draught is necessary to force air through the fuel grate to help in proper combustion of fuel

Get a Quote

Lamont Boiler - Main Parts, Working, Advantages and

What is Lamont Boiler? Lamont boiler is a high pressure, forced circulation, water tube boiler with internally fired furnace. An external pump is used to circulate the water within small diameter water tubes of the boiler.This boiler was invented by Walter Douglas La-Mont in the year 1925.

Get a Quote

(PDF) Power Plant Lecture Notes - CHAPTER-3 STEAM

A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

Get a Quote

UNIT-1 THERMAL POWER STATIONS Introduction

• For the same output the outer shell of a fire tube boiler is much larger than that of a water tube boiler. • In the event of a sudden and major tube failure. Steam explosions may be caused in the furnace due to rush of high pressure water into the hot combustion chamber which may generate large quantities of steam in the furnace.

Get a Quote

Boilers - LinkedIn SlideShare

Comparison between Fire tube boiler and Water tube boiler Fire Tube Boiler 1) Hot gases are inside the tube and water is outside. Water Tube Boiler 1) Water is inside the tube and hot gases outside. 2) Can work under as high pressure as more than 125 bar. 2) Operating Pressure limited to 25 bar. 3) Rate of steam generation is lower.

Get a Quote

What is boiler draught? - Quora

Boiler draught is defined as the small difference between the pressure of outside cold atmospheric air and that of gases within a furnace or chimney. The draught is necessary to force air through the fuel grate to help in proper combustion of fuel

Get a Quote

UNIT 2 STEAM POWER PLANT Steam Power Plant - IGNOU

2011-3-28 · high, av). (c) Increasing the boiler pressure (Increases T high, av). Lowering the Condenser Pressure (Lowers T low, av) Steam exists as a saturated mixture in the condenser at the saturation temperature corresponding to the pressure inside the condenser. Therefore, lowering the operating pressure of the condenser automatically lower the

Get a Quote

Steam and Gas Power Systems - Course

Steam and Gas Power Systems About the course This Course provides a simple understanding of the steam and gas power systems. The course contains the analysis of vapour power cycle i.e. Rankine cycle, steam generators and their accessories, Performance of Boilers and combustion of fuel, high pressure boilers, flow through steam and gas nozzles, different type of steam turbines for power

Get a Quote

(PDF) Power Plant Lecture Notes - CHAPTER-2 Steam

expands from this pressure to a condenser pressure of (0.07 bar) in the low pressure stage. The isentropic efficiency of the high pressure stage is (78.5%), while that of the

Get a Quote

Steam Boiler | Working principle and Types of Boiler

2020-8-10 · Boiler or more specifically steam boiler is an essential part of thermal power plant.. Definition of Boiler. Steam boiler or simply a boiler is basically a closed vessel into which water is heated until the water is converted into steam at required pressure. This is most basic definition of boiler.. Working Principle of Boiler

Get a Quote

ULTRA SUPERCRITICAL BOILERS

2013-11-28 · Steam pressure (MPa abs.) Heat rate difference of turbine (relative) 0.3 25.1x600/610 Note: The values in diagram are typical HR differences respect to steam pressure and temperature. Actual heat rate may differ and shall be determined based on a given design condition. USC SC 25.1x600/620 0.3 Latest Project in India 16

Get a Quote

ULTRA SUPERCRITICAL BOILERS

2013-11-28 · Steam pressure (MPa abs.) Heat rate difference of turbine (relative) 0.3 25.1x600/610 Note: The values in diagram are typical HR differences respect to steam pressure and temperature. Actual heat rate may differ and shall be determined based on a given design condition. USC SC 25.1x600/620 0.3 Latest Project in India 16

Get a Quote

Circulating Fludized Bed Combustion Boiler

Advantages of FBC: Advantages of FBC High efficiency Over all efficiency 84 % Reduction in boiler size For 250 MW FBC Boiler : Length = 100 ft, Diameter = 40 ft For 250 MW Pulverized Coal Fired Boiler : Length = 200 ft, Diameter = 90 ft Fuel flexibility Rice Husk, Agro waste, reject etc Ability for burn Low grade fuel Can even operate on Coal of 62 % Ash content and Low calorific value as 2500

Get a Quote

Circulating Fludized Bed Combustion Boiler

Advantages of FBC: Advantages of FBC High efficiency Over all efficiency 84 % Reduction in boiler size For 250 MW FBC Boiler : Length = 100 ft, Diameter = 40 ft For 250 MW Pulverized Coal Fired Boiler : Length = 200 ft, Diameter = 90 ft Fuel flexibility Rice Husk, Agro waste, reject etc Ability for burn Low grade fuel Can even operate on Coal of 62 % Ash content and Low calorific value as 2500

Get a Quote

PPT – boiler PowerPoint presentation | free to

of the boiler should not be too high. 3. The boiler should be light in weight, should need the least amount of brick work construction and should occupy small floor area. 4. The boiler should meet the fluctuating demands or steam supply without being overheated 5. The different parts of the boiler should be easily approachable for repairs. 6.

Get a Quote

Catalog of CHP Technologies, Section 4. Technology

2017-9-22 · The energy is transferred from the boiler to the turbine through high pressure steam that powers the turbine and generator. This separation of functions enables steam turbines to operate using a large variety of fuels, from clean natural gas to solid waste, including all types of coal, wood,

Get a Quote

Unit III UNIT III STEAM NOZZLES AND TURBINES

2016-2-18 · Pi = Inlet Pressure, Pe= Exit Pressure, Vi =Inlet Velocity, Ve=Exit Velocity. The velocity-compounded impulse turbine was first proposed by C.G. Curtis to solve the problems of a single-stage impulse turbine for use with high pressure and temperature steam.

Get a Quote

How Supercritical Power Plant Differ from

2  · Supercritical power plants use special high grade materials for the boiler tubes. The turbine blades are also of improved design and materials. In fact, the very increase in higher pressure and temperature designs are dependendent on the development of newer

Get a Quote

UNIT-1 THERMAL POWER STATIONS Introduction

• For the same output the outer shell of a fire tube boiler is much larger than that of a water tube boiler. • In the event of a sudden and major tube failure. Steam explosions may be caused in the furnace due to rush of high pressure water into the hot combustion chamber which may generate large quantities of steam in the furnace.

Get a Quote

nptel for high pressure boiler - octapus.be

high pressure boiler - offers from high pressure boiler. high pressure boiler Manufacturers Directory ☆ 3 million global importers and exporters ☆ high pressure boiler suppliers, manufacturers, wholesalers This page is your high pressure boiler one-stop source for the competitive price and quality.

Get a Quote

Boiler Mountings and Accessories Details with Video

2020-8-10 · In today's article, you are gonna get a brief knowledge on Boiler Accessories and Mountings.So at first let's look at what is a boiler? A boiler is a closed vessel in which water is heated, vaporized and converted into steam at a pressure higher than the atmospheric pressure.The heat energy required for steam generation is produced by burning fuel in the furnace.

Get a Quote

PPT – boiler PowerPoint presentation | free to

of the boiler should not be too high. 3. The boiler should be light in weight, should need the least amount of brick work construction and should occupy small floor area. 4. The boiler should meet the fluctuating demands or steam supply without being overheated 5. The different parts of the boiler should be easily approachable for repairs. 6.

Get a Quote

nptel for high pressure boiler - octapus.be

high pressure boiler - offers from high pressure boiler. high pressure boiler Manufacturers Directory ☆ 3 million global importers and exporters ☆ high pressure boiler suppliers, manufacturers, wholesalers This page is your high pressure boiler one-stop source for the competitive price and quality.

Get a Quote

US04CICV01/ US04CICH02 Unit -6 Dr. N. K. Patel

2013-1-7 · High pressure: Babcock and Wilcox boiler. 4. According to the draft used Natural draft Artificial draft boilers Boilers need supply of air for combustion of fuel. If the circulation of air is provided with the help of a chimney, the boiler is known as natural draft boiler. When either a forced draft

Get a Quote

Chapter 9 Boilers - NavyBMR

2016-7-4 · pressure remains constant, the temperature of the water and steam remains constant and equal. The steam boiler operates on the same basic principle as a closed container of boiling water. By way of comparison, it is as true with the boiler as with the closed container that steam formed during boiling tends to push against the water and sides of the

Get a Quote

CLEAVER-BROOKS MODEL CB, CB-LE PACKAGED BOILER

2018-8-5 · The waterside condition of the pressure vessel is of extreme importance. Waterside surfaces should be inspected frequently to check for the presence of any mud, sludge, scale or corrosion. The services of a qualified water treating company or a water consultant to recommend the proper boiler water treating practices are essential.

Get a Quote

Why Economizer and Air Pre-Heaters are Provided in

2020-7-22 · Boilers are provided with economizer and air pre-heaters to recover heat from the flue gases. Boilers operate with around 86 to 90% efficiency depending upon the type of fuel and design adopted. A degrease of about 20 % of boiler efficiency is seen by not providing both economizer and air pre-heaters. If economizer alone is provided then the efficiency will be lower by 12 % when compared to

Get a Quote

Boiler feed water - Lenntech

The boiler receives the feed water, which consists of varying proportion of recovered condensed water (return water) and fresh water, which has been purified in varying degrees (make up water).The make-up water is usually natural water either in its raw state, or treated by some process before use.

Get a Quote

Babcock and Wilcox Boiler – Construction, Working

The Babcock and Wilcox boiler are generally used to produce high pressure steam in power generation industries. The high pressure steam so generated is used to produce electricity. Advantages. Steam generation capacity is high. It is about 2000 to 40000 kg/hr. It occupies less space. Replacement of defective tubes is easy.

Get a Quote

Boiler feed water - Lenntech

The boiler receives the feed water, which consists of varying proportion of recovered condensed water (return water) and fresh water, which has been purified in varying degrees (make up water).The make-up water is usually natural water either in its raw state, or treated by some process before use.

Get a Quote

L-02(TB)(ET) ((EE)NPTEL)_

2011-10-9 · In a thermal power plant coil is burnt to produce high temperature and high pressure steam in a boiler. The steam is passed through a steam turbine to produce rotational motion. The generator, mechanically coupled to the turbine, thus rotates producing electricity.

Get a Quote

Fluidised Bed Combustion System (FBCS): Working,

2020-8-8 · 5. Combustion efficiencies obtained are as high as 99.5 %. 6. Its initial and operational costs are low. 7. The rates of heat transfer are much higher since the system behaves like a violently burning liquid. 8. Volatilisation of alkali compounds does not occur, therefore there deposits on boiler tubes is almost absent. 9.

Get a Quote

(PDF) Boiler Calculations | Michael Dellon -

Academia.edu is a platform for academics to share research papers.

Get a Quote

Free Online Course: Steam and Gas Power Systems

This Course provides a simple understanding of the steam and gas power systems. The course contains the analysis of vapour power cycle i.e. Rankine cycle, steam generators and their accessories, Performance of Boilers and combustion of fuel, high pressure boilers, flow through steam and gas nozzles, different type of steam turbines for power generation and condensers.

Get a Quote

2. BOILERS - Bureau of Energy Efficiency

2017-9-8 · 2. BOILERS Bureau of Energy Efficiency 27 Syllabus Boilers: Types, Combustion in boilers, Performances evaluation, Analysis of losses, Feed water treatment, Blow down, Energy conservation opportunities. 2.1 Introduction A boiler is an enclosed vessel that provides a means for combustion heat to be transferred into water until it becomes heated water or steam.

Get a Quote

Heat Recovery Steam Generator - an overview

Heat recovery steam generator is a high-efficiency steam boiler that uses hot gases from a gas turbine for reciprocating engine to generate steam in a thermodynamic Rankine Cycle. This system is able to generate steam at different pressure levels according to chemical process requirements (PGTHERMAL, 2009). HSRG system can use single, double

Get a Quote

PRESSURE VESSELS, Part I: Pressure Vessel Design, Shell

2017-7-27 · Boiler and Pressure Vessel is divided into the following sections: Those shown in the figure above are the twelve sections of the code. To properly design a pressure vessel, it is necessary to understand Section VIII of course, and additionally, the designer will need to be familiar with Sections II, V

Get a Quote

L-02(TB)(ET) ((EE)NPTEL)_

2011-10-9 · In a thermal power plant coil is burnt to produce high temperature and high pressure steam in a boiler. The steam is passed through a steam turbine to produce rotational motion. The generator, mechanically coupled to the turbine, thus rotates producing electricity.

Get a Quote

Stress Analysis of Thin-Walled Pressure Vessels

2015-1-15 · Engineers (ASME) boiler and pressure vessel code 1 . Therefore, great emphasis should be pl aced on analytical and experimental methods for determining their operating stresses. Spherical Pressure Vessel, like the one shown in Fig ure 1, is preferred for storage of high pressure fluids. A

Get a Quote

Boiler Eengineering ebooks pdf - Boilersinfo

Boiler Engineering ebooks pdf page3 for free download Case studies in failures in boilers Download Computational modeling of PC boilers Download Energy performance assessment of boilers Download Flue Gas system Air pre Heater Download Handbook of Coal Analysis Download How to improve steam boiler operating efficiency Download HRSG Iamp;C Training Program Download Improving steam system

Get a Quote

Utility systems - processdesign

2016-2-22 · In the diagram above, boiler feed water at a high pressure is preheated and fed to other boilers. These other boilers superheat the steam to create a high pressure and high temperature steam stream. The steam is superheated past the dew point to account for heat loss in the pipelines. A portion of the high pressure steam is used for process

Get a Quote

CLEAVER-BROOKS MODEL CB, CB-LE PACKAGED BOILER

2018-8-5 · The waterside condition of the pressure vessel is of extreme importance. Waterside surfaces should be inspected frequently to check for the presence of any mud, sludge, scale or corrosion. The services of a qualified water treating company or a water consultant to recommend the proper boiler water treating practices are essential.

Get a Quote

VTU-NPTEL-NMEICT Project Progress Report

2015-1-13 · VTU-NPTEL-NMEICT Project Progress Report . A steam power plant operates on a theoretical reheat cycle.Steam at boiler at 150bar, 550. 0. C expands through the high pressure turbine.It is reheated at a constant pressure of 40 bar to 550. 0. C

Get a Quote

High Pressure Boiler Maximum Pressure

High-Pressure Boiler Inspection Procedures (with . 2019-11-1 · A high-pressure boiler is defined as a boiler in which steam or vapor is generated at a pressure equal to or greater than 15 psig, or a boiler in which water is heated at a temperature of 250°F and a pressure greater than 160 psig, when water is heated for use external to the boiler itself.

Get a Quote

Characteristics of boiler feedwater - Lenntech

A low-pressure fire-tube boiler can usually tolerate high feed-water hardness with proper treatment while virtually all impurities must be removed from water used in some modern, high-pressure boilers. Only relatively wide ranges can be given as to maximum levels of alkalis, salt, silica, phosphates etc, in relation to working pressure.

Get a Quote

Related boiler information