Abstract
Thermal insulation is used in almost all industries, providing technological requirements, operational reliability and trouble-free operation of facilities, many of which are classified as explosive and fire hazardous or pose a danger to human health and the environment. Mineral wool cylinders are used to insulation of pipelines in all industries. The main segment is pipeline insulation in various industries for a pipe with small diameter of 12 to 273 mm. When insulating pipes of a larger diameter, segments (half-cylinders) or mats are used. It is widely used at all facilities without restriction, such as: multifunctional shopping centers, private housing, apartment buildings, factories and pipelines of technical equipment, food industry (at the food industry plants apply high fire safety requirements, as well as cleanliness in the workspace), hospitals, kindergartens, schools.
Highlights
Thermal insulation of industrial structures, equipment and pipelines in the heat power industry: boilers, steam and gas turbines, high chimneys 190–350 m high, tanks for storing liquid fuel, liquefied natural and hydrocarbon gases, gas holders, heating networks, etc. ; in the industry of construction materials, chemical industry, oil and gas processing, metallurgy, food and other branches of industrial production: furnaces, dryers, column-type apparatuses, refrigerators, etc. — it received the collective name of industrial insulation [1,2,3]
The vast majority (85–90%) of industrial thermal insulation is mounted from fibrous materials
More than 55% of insulation works at facilities with a thermal insulation temperature of up to 200 ° C, about 25% in the temperature range of 180–400 ° C, 5% in the range of 401–600 ° C, and only 0.1% of thermal insulation is mounted from inorganic molded products at objects with a temperature above 600 ° C [4,5,6], and 15% at a negative temperature from minus 14 ° C to minus 180 ° C
Summary
Thermal insulation of industrial structures, equipment and pipelines in the heat power industry: boilers, steam and gas turbines, high chimneys 190–350 m high, tanks for storing liquid fuel, liquefied natural and hydrocarbon gases, gas holders, heating networks, etc. ; in the industry of construction materials, chemical industry, oil and gas processing, metallurgy, food and other branches of industrial production: furnaces, dryers, column-type apparatuses, refrigerators, etc. — it received the collective name of industrial insulation [1,2,3]. A distinctive feature of industrial thermal insulation is the wide temperature range of the insulated surfaces - from minus 180 to 600 ° C - and a high level of heat flow through them, which is 10-15 times higher than the level of heat flow through thermal insulation of residential, public and industrial buildings. The vast majority (85–90%) of industrial thermal insulation is mounted from fibrous materials (mineral wool and fiberglass products). More than 55% of insulation works at facilities with a thermal insulation temperature of up to 200 ° C, about 25% in the temperature range of 180–400 ° C, 5% in the range of 401–600 ° C, and only 0.1% of thermal insulation is mounted from inorganic molded products at objects with a temperature above 600 ° C [4,5,6], and 15% at a negative temperature from minus 14 ° C to minus 180 ° C. Fasteners (bandages, pins, couplers, screws, etc.) provide reliable fixation of the structure in the design position [7, 8]
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