Boiler Feed Pump Pdf

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Introduction to Boiler Feed Water Pump

A Boiler feed water pump is a specific type of pump used to pump feedwater into a Steam Boiler. The water may be freshly supplied or returning condensate produced as a result of the condensation of the steam produced by the boiler.

Types of Boiler feed water pump

1. Ring section type: 

This is the pump for sending high pressure and high temperature fluid to the boiler. The types vary depending upon the pressure. The Single casing type is used for the combined cycle, the subcritical steam power generation, etc.

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2. Barrel type: 

This is the multi‐stage pump having the double casing, the inner casing contained in the outer casing. Among various Boiler feed water pumps, this pump is adopted for high pressure and high temperature application as in the sub  critical steam power generation. The double casing is also called as barrel type As in the case of the single casing, there are differences in the way of splitting the inner casing, and special features are the same.

Topics

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• BFP – Introduction

• Cross Section Section of BFP ( Typical) Typical)

• Typical Layout of BFP

• Water‐Steam Cycle – Process Flow Diagram

• System Isometric View of HP Feedwater Feedwater (Typical) (Typical)

• Pipe Isometric View of HP Feedwater (Typical)

• BFP Design Criteria

• NPSH Consideration – Cavitation

• BFP – Transient Study

• Typical Materials

• Recommended Instruments

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