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Expanded perlite is produced while simultaneously or substantially simultaneously coating the expanded perlite with an hydrophobic coating material by passing the expanded perlite and heated expander exhaust gases from the expansion chamber through a cooling and coating chamber provided with spray nozzles to provide a stream of atomized coating material onto the expanded perlite, while ...
Perlite is a versatile and sustainable mineral that is mined and processed with a negligible impact on the environment. The green community recognizes perlite-enhanced products—like insulation—as a high-performance solution drawn from a natural material of nearly unlimited supply throughout the world.
Perlite Mihran Co. located in Aleppo Syria sound insulation lightweight blocks Loose fill insulation Perlite filter aid aggricultural application constructional application Hydorponic Underfloor insulation Pipe insulation Fireproofing hydroponic cutlrue Perlite in the steel and Foundry Industries Filler Cryogenic service Heat insulation in structural work Agricultural applications Cleaning ...
and the perlite expands four to twenty times its original volume. This expansion process creates countless cells in the glassy particles, which account for the excellent thermal conductivity of expanded perlite. Perlite loose fill insulation provides dependable results at temperatures ranging from .
Our passion for perlite goes beyond perfecting the expansion process. We are expert developers and problem-solvers of anything that has to do with perlite. Bring us your challenges and we will work together to deliver the best solutions. You'll find our services and personalized attention are bar none!
tile, pipe insulation, roof insulation board, etc.), which are the major market for expanded materials, ... expansion process, which increases usable output and controls the uniformity of product density. In the ... type of fuel used in perlite expansion furnaces and .
Apr 05, 2018· Expanded perlite is hydrophobic, and it has an inherent chemical makeup that actively inhibits corrosion. The dual nature of perlite allows it to work to prevent CUI even after elevated temperatures (greater than 450°F or 232°C) have oxidized the organic ingredients that make the insulation hydrophobic.
Mar 17, 2016· SINODER Supply Closed or Open type natural Gas Perlite Expansion Furnace and Coal gas perlite expansion plant We build Vertical Perlite Expansion Furnaces and Complete Perlite Expansion Systems ...
The expansion process renders the perlite partially transparent, and the resulting complex refraction changes the color from a light gray to bright white. These expanded perlite particles are lightweight and insulated glass bubbles that can hold water and air.
Perlite building insulation is produced in a granular or even a powder form, but by some manufacturers it is formed into an insulating board (by combining perlite with gypsum, for example for use under building roofs). Perlite insulation materials are resistant to mold, rot, and rodents.
Production Process of Expansion Perlite. Graded perlite is transferred from raw materials storehouse to vertical furnace using an elevator and is expanded in temperature of 800-1000ºC under heat shock. Expanded perlite is lightweight and white in different sizes which are sorted using silicon and sieves.
perlite expansion system . US4347155A - Energy efficient perlite expansion, A thermally efficient process for the expansion of perlite ore is described The inlet port and burner of a perlite expansion chamber (preferably a vertical expander) are enclosed such that no ambient air can enter the chamber. Contact Supplier
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This expansion process also creates one of perlite's most distinguishing characteristics: its white color. While the crude rock may range from transparent light gray to glossy black, the color of expanded perlite ranges from snowy white to grayish white.
Portable perlite expansion plants often are used to insulate very large storage tanks, cold boxes, ships, and other double wall vessels and pipes. In these applications perlite ore is expanded on-site and the expanded perlite insulation is conveyed pneumatically into the annulus.
Perlite is an amorphous volcanic glass that has a relatively high water content, typically formed by the hydration of obsidian.It occurs naturally and has the unusual property of greatly expanding when heated sufficiently. It is an industrial mineral and a commercial product useful for its low density after processing.
This expansion process creates countless cells in the glassy particles, which account for the excellent thermal insulation properties of expanded perlite. The superior insulation characteristics, especially at low temperatures, as well as the fact that perlite is stable and inert, makes it the ideal material for use in cryogenic insulation ...
Thermal conductivity of perlite insulation - temperature and k-values ... Perlite is a type of volcanic glass that expands four to twenty times its original volume and becomes porous when heated. Perlite is suitable in high temperature applications. ... Bulk Density (loose weight) : depending on the expansion process but usually in the 2-25 lb ...
The distinguishing feature which sets perlite apart from other volcanic glasses is that when heated to a suitable point in its softening range, it expands from four to twenty times its original volume. This expansion process is due to the presence of two to six percent combined water in the crude perlite .
Energy efficient perlite expansion process (Patent) | . A thermally efficient process for the expansion of perlite ore is described. The inlet port and burner of a perlite expansion chamber (Preferably a vertical expander) are enclosed such that no ambient air can enter the chamber.
It is when perlite ore grains are abruptly exposed to immediate heat near to the sufficient temperature of their softening point (of 850° C) that the combined water rapidly vaporizes causing them to expand between 2-30 times their original volume.
- The Choice of Perlite Market Leaders Around the World - Over 40 Years Experience - Over 300 Systems supplied in 40 Countries Incon Corporation specializes in the design, manufacture, service, and support of perlite furnaces, perlite process equipment, and perlite expansion systems.
PRODUCTION PROCESS. Perlite ore: production occurs in two stages; extraction of the crude ore at the mine, then drying & milling. Expanded Unmilled Products: the perlite ore is injected into a naked flame in the base of the expansion tower. The perlite becomes soft enough to be expanded by its internal water which is vaporized.
after heat treatment. The perlite sample from Bergama 01 showed the largest expansion in all samples. As results of the analyses, the amount of crystal and water release in the perlite which had an influence on expansion process were consistent with the literature.
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