Shenyang Yitong produces a new high-viscosity sludge dryer
Sludge drying is a process that involves using a heat source to evaporate the remaining moisture, particularly capillary water, from dewatered sludge. This process increases the solids content of the sludge to between 70% and 90%. Heat drying is the most commonly used method, and it requires a consistent heat source. In addition to the dryer itself, the system typically includes components such as sludge feeders, auxiliary heating units, air supply systems, heat recovery devices, dust control mechanisms, ash discharge systems, and automated control systems.
Northeastern University Shenyang Yitong Science and Technology Co., Ltd. has developed advanced sludge dryers capable of handling high-viscosity and high-moisture materials. These dryers can efficiently process sludge with up to 80% moisture content, transforming it into a dry powder form. The entire sludge drying system operates under full negative pressure, ensuring safe and stable operation. It features a direct heat transfer device, allowing precise control over the final moisture content of the dried material. The system uses low-temperature mechanical equipment, making it simple, reliable, and less prone to failure.
The sludge drying equipment offers several advantages, including broad adaptability, low operational costs, no clogging issues in the sludge nozzle, flexibility in system adjustment, easy operation, and fully automated functions. It is suitable for various applications such as sludge incineration, agricultural reuse, production of construction materials, non-agricultural use, landfilling, and mixed treatment with other waste materials. The technology is widely applied to different types of sludge, including activated sludge, municipal sewage sludge, petrochemical sludge, paper mill sludge, printing and dyeing sludge, tanning sludge, electroplating sludge, and bio-fermentation residues, as well as other high-moisture industrial by-products.
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