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Gas Infrared Ovens Electricity is only one source for infrared heating. In many cases, industrial applications are better suited to the use of gas fired emitters as the infrared source. There are many factors relevant to the decision to use electric or gas. Some practical considerations include:
While initial and operating costs are certainly a consideration in determining whether to install a gas or electric infrared oven, they should not overshadow the suitability of either for the particular application. Gas Applications Examples of applications where gas infrared proves to be the preferred system include drying and broiling. Drying - Applications requiring water dry off/moisture removal are ideally suited to gas infrared systems. In many paper mills around the United States, the web of paper is run through gas infrared ovens to begin the moisture removal process. The process is completed as the paper web runs through a series of steam-heated calendars. Textile mills utilize a similar process. Gas infrared ovens are incorporated into the process to remove moisture from the material as it passes through the web. Foundries use gas infrared ovens to dry sand cores used to form castings. In all these applications, incorporation of gas infrared ovens into the process have enabled companies to significantly reduce drying time and increase productivity. Broiling - An application gas infrared is ideally suited for is broiling. Fostoria Industries engineers have modified standard gas infrared oven designs to accommodate the needs and regulations of the food processing industry. Fostoria infrared broilers use a premix system due to the grease-laden air prevalent in food processing applications. In addition, infrared broilers are built out of stainless steel, and conform to NSF regulations. Gas has several advantages over electricity in process broiling, with the primary being the tremendous BTU output required to meet the demands of most processing operations. An equivalent electric oven would in many cases be cost prohibitive in terms of operating costs and installed cost. Additionally, and equally important, is the rugged design of the Fostoria broiler. Burners are placed on top only, with the patty being flipped in the middle of the process to ensure even cook on both sides. This design saves the burners from undue wear, and facilitates the removal of the tremendous amount of grease produced in the process. Gas Infrared Burners The Fostoria 522 Series Gas Burner is designed for both atmospheric and premix systems where efficient use of the fuel and product temperature controllability are vital. These burners have an operating temperature range from 1400°F to 1650°F. The 522 Series burner is suitable for applications requiring product temperatures up to 1200°F but is particularly adaptable for product temperatures up to 1000°F or less and where burner temperatures between 1200°F and 1600°F are preferred. This type burner is most efficient when operated at a color temperature of 1600°F. The 522 burner is rated to operate at 20,000 BTU/hour nominal. Applications
Operation The Fostoria line of gas infrared equipment is designed to give industrial processors all the desirable benefits of infrared heat from an efficient gas fired source.
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