1. Home
  2. indirect rotary dryer

indirect rotary dryer

Get Price ListChat Online

Material of ConstructionUnlike their direct-fired counterparts, which are typically constructed of carbon steel, indirect-fired rotary dryers are constructed using a high temperature alloy, in order to maintain the integrity of the drum, despite the constant exposure to high temperatures that the shell must endure.

Direct Heating Type Indirect Heating type Rotary Dryer

Indirect heating type rotary dryer. This is an indirect heating type of rotary dryer that brings materials into indirect contact with heating medium to provide heat exchanging. The indirect heating type of rotary dryer is classified into external heating rotary dryer and steam tube dryer, which are applied for the following conditions.

How Do Indirect Heat Rotary Dryers Work

How the Indirect Heat Dryer Works. Materials are fed into a rotary drum that is encased in a stationary refractory lined furnace. This furnace casing has a series of burners mounted down the length of one side firing into the furnace chamber. As the material progresses down the length of the unit, it is subjected to different temperatures in ...

Dryers Visual Encyclopedia of Chemical Engineering

Rotary dryers consist of a rotating cylindrical shell that can be horizontal or slightly inclined. In a rotary dryer the heat transfer mechanism can be either direct or indirect. Direct-heat rotary dryers are more common than indirect-heat rotary dryers. Shown here is a rotary dryer …

indirect heated rotary dryer indirect heated rotary dryer

Alibaba.com offers 1,210 indirect heated rotary dryer products. About 26% of these are Rotary Drying Equipment, 4% are Drum Drying Equipment, and 0% are Vacuum Drying Equipment. A wide variety of indirect heated rotary dryer options are available to you, such as key selling points, local service location, and applicable industries.

Rotary Dryer Direct Rotary Dryer Conveyor Dryers

The Indirect Rotary Dryers comprises of an assembly of two concentric rotating shells supported on rollers/tyres and driven by means of suitable drive arrangement. Feed is admitted through suitable feeding mechanism like Screw feeder/Flap Valve into the dryer through stationary feed hood. The drying media is admitted through the inner shell ...

Indirect Drying of Copper Concentrate in a Rotating Coil Dryer

The penetration model was developed at the laboratory scale on batch dryers (rotating disks, rotary drum and fixed drum with rotating blades). For the modeling of a continuous indirect dryer such as rotary-coil dryers, it is assumed that all the particles move as a plug flow system with a uniform and constant speed throughout the dryer.

Direct Heat or Indirect Heat for Rotary Dryers Bulk Blog

Nov 29, 2015 Rotary dryers are capable of utilizing either direct convection style heat transfer or indirect heat transfer, in which hot surfaces within the dryer provide heat by conduction and radiation. The determination of direct or indirect drying is contingent on the properties of the material to be dried, the process conditions and the desired end ...

US5305533A Combined direct and indirect rotary dryer

Both indirect and counterflow direct heating are utilized in a dryer to achieve improved efficiency with a reduced tendency to char or damage the treated material. A horizontal drum has a first segment of aluminum and a second section of stainless steel and is disposed within a heating chamber which is divided into two sections by a baffle.

Products Vulcan 174 Drying Systems

We use a modular approach, allowing you to choose your dryer size, air pollution control equipment, burner, etc. Replacing a component on an existing system is easy. We offer new and reconditioned components. Direct Rotary Dryers. Indirect Rotary Dryers. Other Components.

Equipment COMESSA

Rotary tubes. Cascade rotary tube. Louvre rotary tube. Combined rotary tube (dryer/cooler) Indirect rotary tube with heat exchanger (steam tube dryer) Indirect rotary tube heated through the shell. Rotary shake out drum.


3.1 Rotary Dryers Rotary dryers potentially represent the oldest continuous and undoubtedly the most common high volume dryer used in industry, and it has evolved more adaptations of the technology than any other dryer classification. All rotary dryers have the feed materials passing through a rotating cylinder termed a drum. It is

Biosolids Technology Fact Sheet Heat Drying

Dryers in the United States Location Type of Dryer Type of Biosolids Dried Milwaukee, WI Direct, rotary Blend of raw secondary with digested primary Baltimore, MD (Patapsco) Direct, rotary Blend of raw primary with secondary North Andover, MA Direct, rotary Anaerobically digested Newport, TN Indirect, rotary chamber Anaerobically digested

indirect rotary dryer machineto.com

indirect rotary dryer. Company Introduction. We Zhengzhou Yonghua Machinery Manufacturing Co., LtdLtd is a manufacturer ofmining machinery, metallurgical equipment and building materials in China. Our main products arecrusher, grinding mill, dryer, briquetting machine and so on. All of them are ISO9001:2000 confirmed.

Modeling and Energetic Analysis of Soybean Meal Drying in

Apr 09, 2009 The process of soybean meal industrial drying requires a high consumption of energy, and it is usually performed in an indirect rotary dryer. A study aiming for the reduction of this energy consumption is vital for the competitiveness of this product. Thus, the purpose of this work was to develop a mathematical model of soybean meal drying, in permanent regime, in …

APV Dryer Handbook

This may be reflected in the design and manufacturing costs of the dryer. Furthermore, in addition to the methods listed above, oil- or gas-fired indirect heat exchangers can also be used. In general, dryers are either suitable for batch or continuous operation. A number of the more common types are listed in Table 1, where an application

Rotary Dryers Design amp Manufacturing Louisville Dryer

ROTARY DRYERS. Louisville Dryer Company offers expertise in construction, service, and maintenance on many types of rotary dryers, including Direct Heat Dryers, Direct Fired Dryers, Indirect Heat Dryers, and Steam Tube Dryers.. Our dryers are built using the latest technologies, in our own state-of-the-art factory, not at sub-contractor facilities.

China Indirect Rotary Dryer Manufacturers and Factory

Indirect Rotary Dryer With sophisticated technologies and facilities, strict top quality handle, reasonable value, exceptional support and close co-operation with clients, we are devoted to furnishing the ideal worth for our clients for Indirect Rotary Dryer, Biomass Pellet Mill , Extruder Pellet Machine , Sprout Pellet Mill , We sincerely ...

Indirect Rotary Dryers Vulcan 174 Drying Systems

Vulcan Indirect Rotary Dryers are built to rigorous safety and performance standards because they are 100% designed, manufactured and tested in the USA. Vulcan Indirect Rotary Dryers rely on the heat transferred through the drum’s shell to dry the material via conduction and radiation to reduce the material’s moisture content.

Indirect rotary dryers IDRECO S.r.l.

Indirect rotary dryers differ from convective-direct dryers in that heat is transferred to the wet product by conduction and radiation through the cylinder wall or through a series of tubes located circumferentially to the cylinder. Indirect rotary dryers use as heating medium hot gases coming from a combustion chamber.

Direct and Indirect Rotary Dryers What's the Difference

Direct and indirect-fired rotary dryers are used in a variety of industrial settings to dry bulk solids. While the two are both comprised of a rotating drum and function to reduce a material’s moisture, several differences between direct and indirect dryers exist:

Indirect Drying vs. Direct Drying FEECO International Inc.

Indirect-fired rotary dryers are better suited for niche applications. Indirect-fired dryers are ideal for processing dusty, fine materials, or materials that cannot be exposed to oxygen or combustion gases during processing.

Industrial OEM indirect dryer At Impressive Deals

Indirect rotary dryer all new generation dryer machine taking use advanced tech. $10,000.00 / Set. 1 Set (Min. Order) Henan Winnermac Heavy Industrial Machinery Co., Ltd. CN 1 YRS. 5.0 (1) Contact Supplier. 1/6. wood machinery pip dryer for drying biomass raw materials indirect heat transfer rotary dryer horizontal drying dryer rotary.

Welcome to Industar industry

Most Leading Mining Machine Provider

We have 40 years of experience in mechanical manufacturing and provide you with the most sophisticated equipments.

  • powder grinding plant , ore beneficiation plant and stone crusher plant
  • Occupied 260,000 square meters of modern marked factory buildings
  • Possess more than 600 large and medium-sized digital smart devices
  • Products are exported to more than 160 countries and regions

Are You Looking for A Consultant? Get Latest Price

Online Message


If you are interested in our products, please contact us, your satisfaction is our eternal pursuit!

Hot News

Our products sell well all over the world,and have advanced technology in the field of crushing sand grinding powder.

Message Online Chat