{"id":5555,"date":"2023-11-10T04:50:04","date_gmt":"2023-11-10T04:50:04","guid":{"rendered":"https:\/\/pmtest.iah.mx\/?page_id=5555"},"modified":"2026-03-18T05:17:14","modified_gmt":"2026-03-18T05:17:14","slug":"material-refractario","status":"publish","type":"page","link":"https:\/\/pmtest.iah.mx\/en\/guia-tecnica\/material-refractario\/","title":{"rendered":"\nRefractory\n<\/a>"},"content":{"rendered":"
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REFRACTORY<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\tPowermaster\n>Home<\/a><\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Refractory material is the most fragile material used in boiler design. It breaks easily and repairing or replacing the refractory is quite expensive, often rendering the boiler out of commission for long periods of time.\n

\nOld boiler designs used refractory material (cement or brick) to insulate those areas of the boiler in which the flame or combustion gases came into direct contact with steel that did not have water on the other side to cool it down.\n

\nIn old fire tube boilers, refractory material was most commonly used in the gas turnaround chamber and in the doors. Using such large quantities and complex geometries of refractory materials made these areas very fragile \u2013 especially the refractory bridge, which is the part of the boiler that separates the gases of the second and third passes.\n

\nModern boiler designs minimize the use of refractory material which, in turn, increases the reliability and efficiency of the boiler and decreases maintenance costs.\n

\nA modern, horizontal fire tube boiler of 80 BHP or more, does not require a refractory bridge, as its steel turnaround chamber is now cooled by water (the Wet-Back design; see Technical Guide: Wet-Back) and it also does not require refractory in the doors, as they are now insulated with mineral wool and stainless steel sheet.\n

\nAll Powermaster<\/b> fire tube boilers of 80 BHP or more are manufactured with a Wet-Back design; none include refractory material in the front or back doors. The only refractory material contained is found in the Wet-Back manhole plug and if the burner requires it, the refractory nozzle of the burner. This ensures a more efficient and reliable boiler with lower maintenance costs.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

\u3164 MATERIAL REFRACTARIO \u3164 El material refractario es el material m\u00e1s fr\u00e1gil de la caldera. Se rompe o fractura f\u00e1cilmente. Su cambio o reparaci\u00f3n es bastante costoso y se lleva adicionalmente de un tiempo largo donde no se puede contar con la caldera. Los dise\u00f1os de calderas antiguas utilizaban material refractario (cemento o ladrillos refractarios) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":86,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5555","page","type-page","status-publish","hentry"],"yoast_head":"\nMaterial Refractario - Powermaster<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pmtest.iah.mx\/en\/guia-tecnica\/material-refractario\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Material Refractario - Powermaster\" \/>\n<meta property=\"og:description\" content=\"\u3164 MATERIAL REFRACTARIO \u3164 El material refractario es el material m\u00e1s fr\u00e1gil de la caldera. 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