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TM5650TECHNICAL MANUAL

CENTRAL BOILER PWNTS

1 Appr oved f o r pub l i c r e l ease ; d i s t r ibu t ion i s un l imi t ed . 11 -- 1

HEADQUARTERS, DEPARTMENT OF THE ARMY

OCTOBER 1989

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TM 5-650

TECHNICAL MANUAL

No. 5-650

- -HEADQUARTERS

DEPARTMENT OF THE ARMY

CHAPTER 1.Section I.

Section II.

Section III.

CHAPTER 2.

Section I.

Section II.

Section III.

CENTRAL BOILER PLANTS

Approved for public release; distrib_ution is unlimited.Paragraph

GENERAL CONSIDERATIONSIntroduction

Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . l-l

Central Boiler Plants ........................................ . -2Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..l- 3

Elementary Combustion PrinciplesFossil Fuels ................................................ .1-4Combustion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..l- 5Combustion of Coal .......................................... .1-6Combustion of Oil ........................................... . -7Combustion of Natural Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

Soot and Smoke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Flue Gas Analysis and Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

Combustion Efficiency ........................................ l-l 1Boiler Efficiency. ............................................. l- 12Central Boiler Plant Efficiency ................................. . -13Principles of Steam and Hot Water GenerationBasic Principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . l- 14Heat Transfer ............................................... . -15

DESCRIPTION OF EQUIPMENT

Boilers and Heat ExchangersBoiler Clasifications .......................................... .2-1Boiler Design Requirements 2-2 2-1

Fabrica~on..................................................2-3Fire Tube Boilers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Water Tube Boilers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Hot Water Generators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Econom ize rs.................................................2- 7A irH ea ters ..................................................2- 8Boiler Accessories and FittingsASME Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-9Gage Glass, GAge Cocks ...................................... .2-10Water Columns .............................................. .2-11Pressure Gage, Temperature Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

Safety Valves ................................................ .2-13Boiler Outlet Valves .......................................... .2-14Blowoff Valves and Piping. .................................... .2-15Fusible Plugs ............................................... .2-16Sootblowers ................................................ .2-17Fuel- Handling and Combustion Equipment

l-ll-l1-5

.

1-6

1-6

1-8

1-13

1-13

1-15

1-15

1-17

1-17

1-23

1-23

2-1

2-1

2-2

2-2

2-13

2-13

2-13

2-19

2-19

2-192-19

2-24

2-27

2-27

2-27

2-31

% Manual Supersedes TM 5-650, dated August 1962 and resc inds TM 5-651, dated December 1946.i

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TM 5-650

Figure No.

4-164-17

4-184-19

4-20

4-21

4-22

4-23

4-24

4-25

4-26

4-27

4-28

4-29

4-30

4-31

4-32

4-33

4-34

5-1C-lc-2c-3D-l

D-2

Title

Type II Deaerator Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Type III Deaerator Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Blowdown System with Flash Tank and Heat Exchanger . . . . . . . . . . . .Automatic Continuous Blowdown Controls . . . . . . . . . . . . . . . . . . . . . . .Conductivity Meter ...........................................Boiler Water Treatment Operating Log ...........................Water Cooled Sample Cooler ...................................Condensate Corrosion Ester . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Zeolite Softener Water Flows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Effect of Excessive Water Flow Bates . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Zeolite Bed Inspection Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Solubility of Oxygen in Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pressure Pot Feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Automatic Proportioning Feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chemical Mixing Tank with Chemical Feed Pump .................Chemical Feed Pump Plunger/ Diaphragm Type ...................Eyewash Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Shower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wbt Storage Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Becord Card Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 psig Steam Heat Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15 psig Steam Heat Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

High Temperature Water Heat Balance ...........................Example of Boiler Feedwater, Steam Generation and BlowdownBelationships . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Example of Boiler Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page

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4-324-34

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4-364-39

4-42

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4-44

4464-49

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5-4

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