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Feed drum dryer

What is a feed drum dryer

The feed drum dryer is delivered to the hopper by a belt conveyor or bucket elevator and added through the feeding port. The main body of the rotary dryer is a slightly inclined and rotatable cylinder. When the material enters the cylinder, it comes into direct contact with the hot air passing through the cylinder, either in a forward or reverse direction, or in effective contact with the heating wall, and is dried. After drying, the product is discharged from the lower part of the other end.

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The characteristics of feed drum dryer

  1. Large production capacity, capable of continuous operation; Simple structure, few faults, convenient operation, low maintenance cost, and stable operation.
  2. Widely applicable, it can dry powdery, granular, strip, and block materials with high operational flexibility. It allows for significant fluctuations in product production without affecting product quality.
  3. Easy to clean, large equipment, difficult to install and disassemble, low heat capacity coefficient, relatively low thermal efficiency (but steam tube rotary dryer has higher thermal efficiency).

The working principle of feed drum dryer

During the drying process, the material moves from the higher end to the lower end under the action of gravity, thanks to the slow rotation of the cylinder. The inner wall of the cylinder is equipped with a forward facing plate, which continuously picks up and sprinkles the material, greatly enhancing the thermal contact surface of the material, improving the drying rate, and promoting the material to move forward. After drying the material with a heat carrier (hot air, flue gas), the narrow dust is collected through a cyclone dust collector and then discharged.

Scope of application of feed drum dryer

  1. Chemical industry: ammonium sulfate, alkali sulfide, Anfu powder, ammonium nitrate, urea, oxalic acid, potassium dichromate, polyvinyl chloride, nitrate phosphate fertilizer, calcium magnesium phosphate fertilizer, and composite fertilizer.
  2. Food industry: Vitamin malt extract, granular strong sugar.
  3. Mineral products: manganese ore, pyrite, limestone, peat.
  4. Other: feed, iron powder, flat soybeans, garbage abrasives, matchsticks, sawdust, distiller’s grains.

The effectiveness of using a feed drum dryer

The feed drum dryer is mainly used to dry granular materials within a certain humidity range, such as yellow sand used in the dry powder mortar industry and various specifications of molding sand used in the casting industry. Blast furnace slag used in the building materials and cement industry. Small particle clay, used in the chemical industry for small particle materials that do not undergo chemical changes, are not afraid of high temperature and smoke pollution. According to the moisture requirements of different industries for dried materials, the moisture content of the dried materials can reach below 1-0.5%.

The advantages of feed drum dryer

  1. The feed drum dryer has a large processing capacity, low fuel consumption, and low drying cost.
  2. It has the characteristic of high temperature resistance and can use high-temperature hot air to quickly dry materials. Strong scalability, design takes into account production surplus, and even if the output increases slightly, there is no need to replace equipment.
  3. The self insulation thermal efficiency of the cylinder can reach over 80% (traditional single cylinder dryers have a thermal efficiency of only 35%), improving the thermal efficiency by 45%.
  4. The fuel can adapt to coal, oil, and steam. Can bake block materials, granular materials, and powdered materials below 20mm.
  5. Compared to a single drum dryer, it reduces the floor area by about 50%, reduces civil engineering investment by about 50%, and reduces electricity consumption by less than 60%.

Which countries have chosen our feed drum dryer

Our drum dryers are sold to Southeast Asia, Europe, America, and other regions, and have received widespread praise.

Diversified display of drying machines

  1. The drum dryer is one of the traditional drying equipment, with reliable operation, high flexibility, strong adaptability, and large processing capacity. It is widely used in metallurgy, building materials, chemical industry, coal washing, fertilizer, ore, sand, clay, kaolin, sugar and other fields.
  2. A three cylinder dryer is a type of dryer that shortens the external dimensions of the dryer body by replacing the single cylinder body with three stacked cylinders. When the machine is in operation, materials and hot air flow enter the inner to outer cylinder in sequence. After the Z-shaped reciprocating flow of the machine body, the heat energy is fully utilized to dry the materials before unloading.
  3. The full name of a box dryer is a box type fruit and vegetable dryer. This equipment dries evenly, with fast speed and high efficiency, and the materials are not easy to stick. It can achieve automatic temperature control and moisture removal, which can keep the dried materials in a better shape, maintain the color and shape of the dried materials, and improve product quality.
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