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Efficient China Suppliers Horizontal Disc Dryer Factory for Energy-Saving Sludge Thermal Drying Technology

The disc drying process technology is an innovative and energy-efficient solution for tackling the sludge siege, making it a crucial asset for businesses seeking effective sludge thermal drying methods. Our disc dryer features a robust cylindrical outer shell with a series of centrally positioned discs. These discs possess a hollow core allowing a heat medium to flow through, facilitating the indirect transfer of heat to the sludge, As the sludge navigates between the discs and the outer shell, it absorbs this heat, resulting in the evaporation of moisture. The disc arrangement is strategically aligned perpendicular to the hollow axis, ensuring efficient propulsion and mixing of the sludge through the unique feather roots design. The water vapor generated by the drying process accumulates in the dome situated above the discs and is expelled from the dryer with the assistance of a minimal amount of carrier air, As a leading factory and suppliers based in China, we prioritize quality and reliability in our disc drying technology. Experience enhanced sludge management and operational efficiency with our advanced drying solutions

    Applications

    The dryer is mainly composed of a jacket, a single axis rotor, and a transmission device. The sludge is indirectly heated and dried by heat transfer through the jacket, hollow shaft, and hollow disc welded on the shaft. The disc does not cut the sludge, but instead stirs the sludge through the action of the pushing mixer at the edge of the disc, constantly updating the drying surface to achieve the purpose of drying.

    Features

    The cylindrical body of the dryer is a jacket type structure, and the mixing shaft and disc are hollow with steam circulation, resulting in a very large heating area. The body can be miniaturized and the drying effect is good.

    Due to the use of steam for indirect heating and the installation of a jacket on the outer wall, there is no significant amount of air carrying away heat, resulting in high steam utilization efficiency.

    Steam does not come into contact with sludge, has a low amount of insoluble gas, can be incinerated in the furnace, and has minimal secondary pollution.

    After being crushed and stirred, the sludge becomes uniform particles, which is conducive to further disposal (incineration, land use, building materials, etc.).

    Low rotational speed, no tangential force between the rotor and sludge, resulting in minimal wear, low maintenance, long lifespan, and low power consumption, making it more suitable for domestic sludge.

    Technical Parameters

    WPL series disc dryer
    Model Power/KW Heat transfer area/m² Full capacity/m³ External dimensions L*W*H/mm
    WPL-6 5 6 0.29 3500*800*550
    WPL-10 7.5 10 0.57 4000*900*600
    WPL-18 10 18 0.98 4500*1050*680
    WPL-24 15 24 1.52 4600*1300*810
    WPL-32 15 32 1.97 5500*1300*810
    WPL-45 20 45 3.27 5600*1600*1000
    WPL-60 30 60 4.23 6800*1600*1000
    CWPL series super disc dryer
    Model Power/KW Heat transfer area/m² Full capacity/m³ External dimensions L*W*H/mm
    CWPL-70 15 70 4.5 5200*1900*2700
    CWPL-100 22 100 6 6400*1900*2700
    CWPL-150 45 150 9 6200*2500*3000
    CWPL-190 45 190 11.5 7500*2500*3000
    CWPL-240 55 240 15 9000*2500*3000
    CWPL-270 75 270 17.5 8600*2800*3300
    CWPL-320 75 320 20 10100*2800*3300
    CWPL-350 90 350 26 10100*3000*3650
    CWPL-400 90 400 26 10100*3000*3550

    Product Display

    Frequently Asked Questions

    Q: What is the primary drying mechanism of the disc dryer?

    The disc dryer utilizes indirect heating. Sludge is heated and dried via thermal conduction through the steam-circulated jacket, hollow shaft, and hollow discs, rather than direct contact with hot air.

    Q: Why is the steam utilization efficiency so high?

    Since the heating process is indirect and the outer wall is fully jacketed, there is no large flow of exhaust air carrying heat away, resulting in minimal heat loss and high thermal efficiency.

    Q: Does the system generate significant secondary pollution?

    No. Because steam does not contact the sludge directly, the volume of carrier gas and insoluble exhaust gas is extremely small. These gases can be easily collected and incinerated in the furnace to minimize environmental impact.

    Q: What are the benefits of the low rotational speed of the rotor?

    The low rotational speed eliminates major tangential forces between the rotor and the sludge. This significantly reduces mechanical wear, minimizes maintenance requirements, and extends the overall lifespan of the equipment.

    Q: What are the typical applications for the dried sludge output?

    The dried sludge is processed into uniform particles, making it highly suitable for secondary disposal and utilization, including incineration, land application, soil remediation, or as raw material for building products.