Assessment of asbestos insulation substitutes
Technical Report
·
OSTI ID:6990937
- Tennessee Valley Authority, Chattanooga, TN (USA)
A state-of-the-art study of asbestos insulation alternatives has been conducted to identify the best substitute material for steam lines in power plants. A survey of utilities across the nation showed that calcium silicate is the most commonly employed material today, followed by mineral wool, fiberglass, and ceramic fibers. However, the calcium silicate was found to be dusty and to become brittle once exposed to elevated temperatures. Although it is asbestos-free, studies on its carcinogenicity are incomplete. Characteristic data on existing substitute materials is compiled and an optimum choice of insulation combination is configured. Potential cost savings of using this combination is evaluated for a major utility. A PC-based computer program is developed to assist utility personnel in selecting the proper insulation materials for steam lines. 31 refs., 8 figs.
- Research Organization:
- Electric Power Research Inst., Palo Alto, CA (USA); Tennessee Univ., Chattanooga, TN (USA). School of Engineering; Tennessee Valley Authority, Chattanooga, TN (USA)
- Sponsoring Organization:
- EPRI
- OSTI ID:
- 6990937
- Report Number(s):
- EPRI-GS-6752
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
20 FOSSIL-FUELED POWER PLANTS
200104* -- Fossil-Fueled Power Plants-- Components
200400 -- Fossil-Fueled Power Plants-- Health & Safety-- (1990-)
ALKALINE EARTH METAL COMPOUNDS
ASBESTOS
CALCIUM COMPOUNDS
CALCIUM SILICATES
CERAMICS
COST
DOCUMENT TYPES
EVALUATION
GLASS
HAZARDOUS MATERIALS
MATERIALS
MINERAL WOOL
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PROGRESS REPORT
SILICATES
SILICON COMPOUNDS
STEAM LINES
THERMAL CONDUCTIVITY
THERMAL INSULATION
THERMODYNAMIC PROPERTIES
200104* -- Fossil-Fueled Power Plants-- Components
200400 -- Fossil-Fueled Power Plants-- Health & Safety-- (1990-)
ALKALINE EARTH METAL COMPOUNDS
ASBESTOS
CALCIUM COMPOUNDS
CALCIUM SILICATES
CERAMICS
COST
DOCUMENT TYPES
EVALUATION
GLASS
HAZARDOUS MATERIALS
MATERIALS
MINERAL WOOL
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PROGRESS REPORT
SILICATES
SILICON COMPOUNDS
STEAM LINES
THERMAL CONDUCTIVITY
THERMAL INSULATION
THERMODYNAMIC PROPERTIES