MIL-HDBK-1003/6
CENTRAL HEATING PLANTS
CONTENTS
Page
1.1
Scope . . . . . . . . . . . . . . . . . . . . .
1
1.2
Cancellation . . . . . . . . . . . . . . . . .
1
2.1
Economy . . . . . . . . . . . . . .
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2
2.2
Plant Alternatives . . . . . . . .
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2
2.2.1
Central Heating Plants . . . . . .
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2
2.2.2
Cogeneration . . . . . . . . . . .
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2
2.2.3
Individual Heating Plants . . . . .
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2
2.2.4
Expansion of Existing Plants . . .
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2
2.2.5
Rehabilitation Versus Replacement .
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4
2.3
Standby Facilities . . . . . . . .
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4
2.4
Steam Versus High Temperature Water
(HTW)
Heating Plants . . . . . . . . .
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4
2.5
Fuel Selection . . . . . . . . . .
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5
2.5.1
Selection . . . . . . . . . . . . .
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5
2.5.2
Characteristics . . . . . . . . . .
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5
2.6
Codes and Regulations . . . . . . .
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5
2.6.1
Conformance . . . . . . . . . . . .
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5
2.6.2
National Industry Codes . . . . . .
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5
2.6.3
Safety Regulations and Requirements
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6
3.1
Plant Study . . . . . . . . . . . . . . .
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7
3.2
Thermal Generating Equipment . . . . . .
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7
3.2.1
Equipment Capacity . . . . . . . . . . .
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7
3.2.2
Minimum Load . . . . . . . . . . . . . .
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8
3.2.3
Operating Pressure . . . . . . . . . . .
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8
3.2.3.1
Heating Plants . . . . . . . . . . . . .
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9
3.2.3.2
Process Loads Requiring Pressures Higher
than 100 psig (690 kPa) . . . . . . . .
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9
3.3
Equipment Types and Classifications . . .
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9
3.4
Boiler Type Selection . . . . . . . . . .
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9
3.5
Boiler Design
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13
3.5.1
Heating Surface . . . . . . . . . . . . .
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14
3.6
Plant Layout . . . . . . . . . . . . . .
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15
3.7
Emergency Electrical Power . . . . . . .
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16
3.8
Feedwater Pumping System . . . . . . . .
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16
3.9
Steam Usage Considerations . . . . . . .
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16
3.9.1
Refrigeration Units . . . . . . . . . . .
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16
3.9.2
Steam-driven Auxiliaries . . . . . . . .
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17
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