2.components of an hrsg training

Copyright 2006 Vogt Power International. All rights reserved.

Vogt Power International manufactures

Heat Recovery Steam Generators

(HRSGs) used in the electrical power

generation industry

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Heat Recovery Steam Generator

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STEAM TURBINE

Turbine Exhaust

Gas1,100F

AIR

FUEL

Gas Turbine

G

130FWATER

200F

STEAM

HRSG

HP IP LP

Steam Turbine

G

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Diverter Damper

HRSGGasTurbine

BypassStack

Simple Cycle OperationSimple Cycle Operation

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Diverter Damper

HRSGGasTurbine

BypassStack

Combined Cycle OperationCombined Cycle Operation

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Diverter Damper

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Diverter Damper Installation

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Inlet Expansion Joint

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Gas Turbine Outlet(Hot Casing)

TEG Flow

HRSG Inlet Duct(Cold Casing)

Expansion Joint Belt

Expansion JointInsulation

Expansion JointMetal Flow Liner

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Expansion Joint

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Inlet Duct

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Insulation Pins Welded to Casing

INSULATION & LINER

1/8Shoulder

3/4 Stud

Welded to Casing

21 Square Centers

12 Centers

1/4 Carbon Steel Outer Casing

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INSULATION & LINER

Insulation Layer #2

Ceramic Fiber Insulation - Layer #1

Minimum of 2Total Thickness

Minimum of 2 Layers of Insulation

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INSULATION & LINER

Lower Washer

Inner Metal Liner 10 or 12 Gauge

Top Washer is Welded to Stud

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INSULATION & LINER

5Overlap

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INSULATION & LINER

Pin Point

Guide Points

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DUCTWORK INSULATION LINER ATTACHMENT

The HRSG inlet duct, outlet duct and casing are internally insulated to limit the heat losses to atmosphere

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Firing Ducts

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Duct Burner

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Gas Only - Duct Burner

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Fuel Skid for Duct Burner

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Duct Burner - Gas Element

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Gas and Oil - Duct Burner

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Heat Transfer Modules

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Steam Drums

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SCR Duct

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A.I.G. and NOx Catalyst

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Outlet Expansion Joint

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Outlet Transition and Stack

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Stack Damper

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Personnel Protection

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Silencers

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Stairs, Ladders, & Platforms

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Access Doors

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Types of Heat Transfer Surface

1. Evaporators

2. Economizers

3. Superheaters

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Tube Panel - Side View

Lower Header

Upper Header

TubesTEG

Flow

Row #1

Row #2

Row #3

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Tube Panels

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Tube Panel

Upper Header

Tubes with Fins

Tubes are Welded to

Header

TEG

Flow

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Standard Tube to Header Weld

Tube

Header

Full Penetration

Weld Through The Tube

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Stick Through Tube to Header Weld

Tubes

Header

Seal Weld The Tube to

Header

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Tube to Header Close-Up

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Tube Panel

TEG Flow

Row #1 Row #2 Row #3

Header

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Tube Panel

TEG Flow

Rows Counted In Direction of TEG Flow

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Tube Panel

TEG Flow

Sections Counted Across Direction of

TEG Flow

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Tube Panel - Front View

Lower Header

Upper Header

Tubes

1 4 8 12 16

Section Number

Row #2

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Tube Panels

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Tube Panels Inside HRSG Casing

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High Pressure System

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HP System

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IP System

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HP SHTR and REHEATER

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LP System

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Steam Drums

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STEAM DRUM INTERNALSBAFFLE PLATE WITH MESH PAD

CHEMICAL FEED

RISER

CONTINUOUSBLOWDOWN

FEEDER

RISER

BAFFLE

MESH PAD

STEAM OUTLET

WATER INLET

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STEAM DRUM INTERNALSCYCLONES WITH MESH PAD

RISERS

STEAM OUTLET

MESH PAD

CHEMICAL FEED

WATER INLETFEEDER

CONTINUOUS BLOWDOWN

CYCLONES

VORTEX BREAKER

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CYCLONE

Steam & Water

Mixture In

Water Out Bottom

Steam Out Top

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CYCLONE

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2.components of an hrsg training

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