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  • Bartlett Snow™ Rotary Kilns for high temperature
    Bartlett Snow™ Rotary Kilns for high temperature

    Bartlett-Snow™ direct-fired rotary kilns are provided for applications requiring product temperatures to 3000 F / 1650 C and oxidizing or slightly reducing atmospheric conditions. In addition, the process material must tolerate contact with products of combustion and/or the burner flame envelope, as well as reflect a particle size range

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  • IBU-tec | The Rotary Kiln Experts for Trials and Production
    IBU-tec | The Rotary Kiln Experts for Trials and Production

    Direct Fired Rotary Kiln . zoom . In a direct-fired rotary kiln, the burner is situated inside the kiln body, that is, inside the reaction chamber. The material is heated directly by the burner flame and the stream of hot gas produced by the burner. These kilns are usually lined with refractory (heat-resistant) material so that they can be

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  • Rotary Kiln Design: Direct Fired vs. Indirect Fired
    Rotary Kiln Design: Direct Fired vs. Indirect Fired

    Direct-fired rotary kilns rely on direct contact between the process gas and the material in order to heat the material to the specified temperature. Direct-fired kilns can be either of the co-current design, or counter current design, referring to the direction that the process gas flows through the

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  • Rotary Kilns | Direct Fired Rotary Kilns | Indirect Fired
    Rotary Kilns | Direct Fired Rotary Kilns | Indirect Fired

    Direct Fired Rotary Kilns. Direct Fired Rotary Kiln is fuel fired, refractory lined Rotary Kiln. Temperature Range. 100 C to 1500 C. Heating Media. Liquid fuel / Gaseous Fuel. Purpose. Roasting, Calcination, Reduction, Sintering, High Temperature Reactions, Pre-heating. Capacity

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  • Direct- VS. Indirect-Fired Rotary Kilns & Dryers
    Direct- VS. Indirect-Fired Rotary Kilns & Dryers

    Indirect-fired rotary kilns can be beneficial when the material to be processed consists of finely divided solids. In a direct-fired rotary kiln, the heat source is hot gas (products of combustion and air) which flows with an inherent velocity. These gases can carry discrete particles through from drag

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  • ROTARY KILNS - Thomasnet
    ROTARY KILNS - Thomasnet

    Direct-fired rotary kilns offer efficient processing for high temperature applications. A direct-fired rotary kiln heats material by passing the combustion gases through the rotary kiln. The combustion can either occur in a com-bustion chamber if direct flame radiation is to be avoided, or the flame can be directed down the length of

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  • Indirect-fired Rotary Kiln In Your Rotary Kiln Business
    Indirect-fired Rotary Kiln In Your Rotary Kiln Business

    The direct-fired rotary kiln’s character is that the combusted materials are directly in contact with the raw material being processed. In traditional rotary kilns, pulverized coal is generally fed into the kiln and ignited by a burner, so that the mixed coal materials are burned and

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  • Used Used Rotary Kilns for sale. Barker equipment & more
    Used Used Rotary Kilns for sale. Barker equipment & more

    23.6 x 24.5' Riedhammer Rotary Kiln DRI 7.5/60G. Manufacturer: Riedhammer Used Riedhammer direct fired rotary kiln system consisting of, model DRI 7.5/60G, rotary kiln section approximately 1090 mm (43 ) outside diameter x 7.5 mm (295 ) long tube less brick lining, 600 mm (23.6 ) inner

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  • Low Temperature Desorption Applications of a Direct
    Low Temperature Desorption Applications of a Direct

    stream. In order to expand the applicability of direct-fired rotary kiln systems to additional remediation opportunities, the low temperature treatment effectiveness of rotary kiln units must be evaluated. APPROACH The use of low temperature thermal desorption is an attrac-tive alternative to high temperature incineration for some

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  • Heat transfer in a direct-fired rotary kiln: II. Heat flow
    Heat transfer in a direct-fired rotary kiln: II. Heat flow

    Heat transfer in a direct-fired rotary kiln: II. Heat flow results and their interpretation. A. P. Watkinson 1 & J. K. Brimacombe 2 Metallurgical Transactions B volume 9

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  • Feeco - Equipment - Thermal Processing - Direct-Fired
    Feeco - Equipment - Thermal Processing - Direct-Fired

    Feeco. -. Direct-Fired Rotary Kilns. FEECO is a leading manufacturer of highly engineered, custom rotary kilns for processing solids. Our high temperature kilns have earned a reputation for their durability, efficiency, and longevity. We offer both direct- and indirect-fired units

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  • Pyro-Processing for Beginners: Direct-Fired and Indirect
    Pyro-Processing for Beginners: Direct-Fired and Indirect

    Direct- vs. Indirect-Fired Rotary Kilns: Choosing the Best Solution for Your Particular Case. If you can perform a process in a direct-fired rotary dryer or kiln, chances are quite high that you can carry out the same process in an indirect-fired device. However, there are pros and cons in using one or another type of rotary dryers and kilns

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  • Rotary Kilns - FEECO International Inc
    Rotary Kilns - FEECO International Inc

    Direct-fired kilns can be of the co-current or counter current configuration, referring to the direction the combustion gases flow in relation to the material. Features Size: Up to 15′ diameter x 100’+ long (Up to 4.6m dia. x 30.5m+ long)

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  • Bartlett Snow™ Rotary Kilns for high temperature applications
    Bartlett Snow™ Rotary Kilns for high temperature applications

    Direct-fired rotary kilns for high temperature applications. Bartlett-Snow™ direct-fired rotary kilns are provided for applications requiring product temperatures to 3000 F / 1650 C and oxidizing or slightly reducing atmospheric conditions. In addition, the process material must tolerate contact with products of combustion and/or the burner flame envelope, as well as reflect a particle size range, specific gravity

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  • Rotary Kiln - an overview | ScienceDirect Topics
    Rotary Kiln - an overview | ScienceDirect Topics

    The rotary kiln is a long tube that is positioned at an angle near horizontal and is rotated. The angle and the rotation allow solid reactants to work their way down the tube. Speed and angle dictate the retention time in the kiln. Gas is passed through the tube countercurrent to the solid reactant

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