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Image: 3D FEECO Direct-Fired Rotary Dryer (Click on the image to view larger) Coloring. The heated material exits the pre-heating unit and is fed to a coating drum. Pigment is sprayed onto the bed of material as the drum rotates. This rotational movement serves to evenly coat the granules with the pigment.
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This might mean utilizing space above or below the dryer to direct combustion gases into the unit. The image below, for example, shows the custom ducting FEECO designed to allow the use of a combustion chamber on a separate floor from the rotary dryer at the customer's plant.
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In most cases, direct firing is accomplished after controlled combustion in a separate chamber. Parallel flow dryers and counter flow dryers can also be furnished with various methods of firing, types of burners, controls and auxiliaries. FEECO's rotary dryers have been developed through our decades of experience in the field of industrial ...
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Rotary dryers are the ideal type of equipment for preheating, already built to withstand the temperatures and throughput required and with significant customization potential, plus all of the advantages that come along with rotary dryers. In business since 1951, FEECO supplies the world's most reputable rotary dryers.
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FEECO is a leader in custom rotary dryers and has been providing the industry's best dryers and dryer services since 1951. We also offer a unique batch and pilot testing facility – The Innovation Center – where drying, as well as granulation, can be tested for various minerals and fertilizer products.
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FEECO rotary dryers in use at a sand drying plant. Exhaust gas handling. To meet regulatory emissions requirements, direct rotary dryers must be equipped with exhaust gas handling equipment. While indirect dryers must also meet local, state and federal regulations, their exhaust gas management requirements are minimal since the …
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The image above shows lifting flights as well as advancing (spiral) flights inside a FEECO Rotary Dryer. Consider a Combustion Chamber. Combustion chambers have traditionally been employed to house the combustion reaction when the material to be dried cannot come into direct contact with the flame. However, they are becoming more popular in …
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To maximize the service life and reliability of rotary dryers for solid materials, adhere to this set of practices. Rotary dryers have a well-deserved reputation for reliability, often providing decades of trouble-free operation in solids-handling processes.
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We've built a reputation on being the best rotary dryer manufacturer in the industry. All of our dryers are custom designed to suit the unique processing needs of your material. Whether you require low- or high-inlet temperatures, short or long residence times, counter-current or co-current …
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A rotary drum is the backbone of many types of rotary equipment, including dryers, coolers, kilns, and granulators.. While the type of rotary equipment will dictate a number of key features of the unit, the rotary drum itself consists of several standard components that allow for customization based on the specified application.
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Heat transfer is an important component to consider in the operation of rotary dryers, rotary kilns, or rotary coolers. Knowing how heat transfer works can help in sizing a rotary drum, and being able to anticipate how heat will be lost throughout the system. FEECO has been custom engineering rotary dryers, kilns, and coolers for over 60 years.
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ROTARY SAND DRYERS. Rotary drum dryers have long been the preferred industrial dryer for processing sand in a variety of applications. Tolerant of variation in feedstock, highly reliable, and rugged, rotary dryers offer high-capacity sand drying at its finest for a variety of applications, including:
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