The metal heat process industry utilizes a variety of furnaces in which the heat is supplied via ... more The metal heat process industry utilizes a variety of furnaces in which the heat is supplied via direct or indirect firing, depending upon the type of process being considered. These furnaces operate at less than 24 to 40% thermal efficiency and as a result, the furnace wall temperature and flue gas temperature are higher than desired. Many equipments have been developed to reduce furnace wall temperature by utilizing better insulating materials and recuperating heat from the hot flue gas. Often these heat losses are related to the effectiveness of the combustion process which also effects the flame geometry and its impact over the heat transfer in a thermal system. Flame geometry also plays a vital role in the maintenance of a uniform temperature, flame temperature and the formation of combustion species such as CO{sub 2}, H{sub 2}O, OH{sup -}, H{sup +}, NO{sub x}, etc., when natural gas is used as a fuel. In this paper the indirect fired furnaces in which the radiant tube combustion systems are used as a means of heat transfer equipment, are considered.
The Roadmap for Process Heating Technology (March 16, 2001), identified the following priority RD... more The Roadmap for Process Heating Technology (March 16, 2001), identified the following priority RD Improved methods for stabilizing low emission flames; Heating technologies that simultaneously reduce emissions, increase efficiency, and increase heat transfer. This Category I award entitled ''Proof of Concept of an Advanced Process Heater (APH) for Steel, Aluminum, and Petroleum Industries of the Future'' met the technical feasibility goals of: (1) Doubling the heat transfer rates (2) Improving thermal efficiencies by 20%, (3) Improving temperature uniformity by 100 degrees F and (4) simultaneously reducing NOx and CO2 emissions. The APH address EERE's mission priority of increasing efficiency/reducing fuel usage in energy intensive industries. One component of the APH, the SpyroCorTM, was commercialized by STORM Development's partner, Spinworks LLC. Over 2000 SpyrCorsTM were sold in 2004 resulting in 480 million BTU's of energy savings, 20% reduction in N...
The metal heat process industry utilizes a variety of furnaces in which the heat is supplied via ... more The metal heat process industry utilizes a variety of furnaces in which the heat is supplied via direct or indirect firing, depending upon the type of process being considered. These furnaces operate at less than 24 to 40% thermal efficiency and as a result, the furnace wall temperature and flue gas temperature are higher than desired. Many equipments have been developed to reduce furnace wall temperature by utilizing better insulating materials and recuperating heat from the hot flue gas. Often these heat losses are related to the effectiveness of the combustion process which also effects the flame geometry and its impact over the heat transfer in a thermal system. Flame geometry also plays a vital role in the maintenance of a uniform temperature, flame temperature and the formation of combustion species such as CO{sub 2}, H{sub 2}O, OH{sup -}, H{sup +}, NO{sub x}, etc., when natural gas is used as a fuel. In this paper the indirect fired furnaces in which the radiant tube combustion systems are used as a means of heat transfer equipment, are considered.
The Roadmap for Process Heating Technology (March 16, 2001), identified the following priority RD... more The Roadmap for Process Heating Technology (March 16, 2001), identified the following priority RD Improved methods for stabilizing low emission flames; Heating technologies that simultaneously reduce emissions, increase efficiency, and increase heat transfer. This Category I award entitled ''Proof of Concept of an Advanced Process Heater (APH) for Steel, Aluminum, and Petroleum Industries of the Future'' met the technical feasibility goals of: (1) Doubling the heat transfer rates (2) Improving thermal efficiencies by 20%, (3) Improving temperature uniformity by 100 degrees F and (4) simultaneously reducing NOx and CO2 emissions. The APH address EERE's mission priority of increasing efficiency/reducing fuel usage in energy intensive industries. One component of the APH, the SpyroCorTM, was commercialized by STORM Development's partner, Spinworks LLC. Over 2000 SpyrCorsTM were sold in 2004 resulting in 480 million BTU's of energy savings, 20% reduction in N...
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