Disc mixing of sludge and cow manure materialsCharacteristics of drying machine
1. The rotor and cylinder of the dryer are designed to be compact and reasonable, with low space occupancy. The dryer has a large heat transfer area per unit volume and fast drying speed; Having the largest heat exchange surface within the unit effective volume, the equipment size can be reduced, and the processing time can be shortened;
2. The shaft rotates uniformly, the material is stirred evenly, the drying force is uniform, and the product particle size is uniform;
3. By adjusting the speed, process (intermittent or continuous), and drying time, the adjustable sludge drying effect can achieve different final moisture contents, such as reducing the sludge moisture content from around 80% to 40%, 30%, 20%, 10%, and 5%, etc;
4. High thermal efficiency, good mixing and stir frying effect, with 4 to 8 plates per disc for better stir frying performance, and automatic cleaning function for dual axis rotating discs;
5. The movement regularity of dry particles is strong, and the wear on the components is small, making it suitable for sludge material drying equipment.
6. The heating disc is pressed as a whole with few welds, strong corrosion and wear resistance, low running resistance of the disc, and low equipment vibration;
7. The two axis embedding method can form a thin layer of material with animal material on the blade, achieving the effect of thin layer heat transfer;
8. The relative rotation of the two shafts and the action of the scraper can scrape off the maximum amount of adhesive material stuck to the rotor, keeping the heat exchange surface clean and automatically cleaning, ensuring stable heat exchange effect;
9. Wide range of material handling It can be widely used for particles, powders, and viscous materials. It can dry materials with high or low moisture content, and can be operated continuously or intermittently. It is a highly applicable and energy-saving drying equipment.
10. Low energy consumption:
The spindle speed is low, and the material conveying system requires low power and low electricity consumption.
Drying with conductive heat results in high thermal efficiency and low energy consumption. 1.1-1.2 Steam/kg/water.











Cow manure disc mixingIntroduction to Drying Machine
The disc mixing dryer uses thermal oil or steam as the heating medium, and the shaft end is equipped with a rotating joint for introducing and exporting the heat medium. The heating medium enters the inner cavity of the dryer rotor and heats the rotor to dry the wet material through conduction heating. At the same time, a heating medium is also introduced into the jacket of the dryer cylinder to heat and dry the wet material, evaporating the moisture in the cow manure.
The dried wet cow manure is continuously fed into a disc dryer by a screw feeder. The rotation of the rotor causes the manure to flip and stir, fully heating the material and evaporating the moisture contained in the manure. At the same time, the material is pushed towards the discharge port by the pusher as the rotor rotates, and continues to stir during transportation, so that the water seeping out of the material continues to evaporate. After treatment, the uniformly dried qualified product is discharged from the discharge port.
The speed range of the rotor can be adjusted between 1-7rpm to control the dryness of the material and adapt to different process conditions on site.
Key technological innovation points and improved design
(1) Introducing international disc mixing and drying technology, improving the design of a dual axis disc mixing and drying machine, which has been successfully applied in large-scale production;
(2) Design and overall machining of bearing seat fittings, and installation of cooling devices;
(3) The cylinder, bearings, and shaft are all designed for thermal expansion and free sliding. The overall framework of the main engine is designed to prevent deformation of the equipment, making it easy to transport and operate;
(4) The overall reinforced design ensures better strength and service life;
(5) Replace the heating element with a disc welded as a whole, with fewer welds and better strength, making it less prone to wear and leakage; Scraper plates can be added according to the material status, with 4 to 8 plates per disc for better flipping performance. They automatically clean the material on the shaft disc to ensure heat transfer efficiency;
(6) The structural design is more compact, and a large disc dryer with a single unit area of ≤ 300m2 can be designed;
(7) Samsung gear transmission structure design ensures more balanced operation and reduces swing and tension issues caused by chain transmission;
(8) The unique processing and assembly technology of the Navigation Drying Engineering Company ensures better concentricity of the equipment and superior sealing performance at both ends;
(9) According to different situations, semi-circular tube jacket heating and integral jacket heating types can be designed;
(10) The hot medium enters the shaft rotary joint in the form of hot oil or steam at one end and cold oil or condensed water at the other end. This process solves the problem of short circuit caused by non heating of the blades at the transmission end.