The single cone vacuum dryer uses a stirring screw belt to rotate and lift the material. At the same time, heat transfer media such as hot water, heat transfer oil, steam, etc. are introduced into the conical jacket, so that the heated material is lifted from all sides and falls from the middle. It quickly and continuously flips and carries away the moisture in a timely manner through the carrier gas, achieving the purpose of drying and mixing the material. And there is no transmission mechanism inside the cylinder, fundamentally eliminating the problem of material pollution caused by lubricating oil leakage. The operation is reliable and stable, especially suitable for mixing and drying powder and particles with high hygiene requirements.

The single cone vacuum dryer is mainly composed of driving system, motor reducer, frame, bearings, conical cylinder (with jacket), stirring screw belt, sampling valve, packing seal and other components. The equipment adopts a direct connection between the motor reducer and the mixing screw belt, with variable frequency speed regulation and a speed of 0-20rpm. The screw belt and the mixing shaft are welded in a specific mold to ensure even clearance between the screw belt and the barrel wall, ensuring the stability of the operation process; Flexible graphite packing is used to seal between the mixing shaft and the head, effectively preventing the entry of external impurities. Both the conical cylinder and elliptical head are equipped with jackets, which can introduce different types of thermal media and withstand certain pressure. They can be heated while stirring and mixing to achieve the purpose of material drying, with good drying effect and stable operation.

1. The loading capacity is large, about twice that of a vacuum rotary dryer of the same volume, meeting the requirements of large-scale production.
2. The effective heat exchange area is large. The inner wall and spiral blades of the container can both transfer heat, accounting for 140% of the inner surface area of the container. The material is lifted by the propeller blades in a spiral from bottom to top, and then vortex downwards along the main axis. The material is uniformly dispersed and moves throughout the entire drying process, ensuring a balanced heating of the material.
3. Equipped with an air leakage device. Nitrogen, air, or other substances can be infiltrated during the drying process according to the different characteristics and needs of the material. For example, nitrogen is heated through a preset tube and blown into the material from around the bottom valve, which can break the balance between solid and gas phases, protect the material, change the movement trajectory of the material, evenly distribute the material temperature, prevent combustion and explosion, and eliminate dead corners at the bottom. The gas permeation device can set the gas permeation time and interval, which can further improve the drying efficiency and effectiveness of materials.
4. Unique vacuum channel. This machine has two vacuum channels, namely the wet material vacuum port and the vacuum port equipped with a capture device, which effectively shortens the drying time and reduces vacuum blockage.
5. Gentle stirring effectively protects the crystal structure. And multiple crushing blades are installed on the mixing shaft, which can crush while drying, solving the pre-treatment process before material drying.

Chemical industry; Pharmaceutical industry; Food industry; Agriculture and animal husbandry; Mining and metallurgical industries, etc.
It is necessary to select a suitable single cone dryer based on specific drying materials and process requirements, and follow operating procedures to ensure a safe and efficient drying process.