Product Introduction:
The sludge dryer allows the sludge to quickly rush through the "adhesive phase area" during the drying process at the fastest speed. At the same time, the ingenious structure allows the sludge to reach a two-way shear state during the drying process. The dried sludge is quantitatively and continuously fed into the feed port of the dryer by a screw feeder. After the sludge enters the body of the dryer, the sludge is turned and stirred by the rotation of the blades, and the heating interface is continuously updated. It contacts the body and the blades and is fully heated, so that the surface moisture contained in the sludge evaporates. At the same time, the sludge is transported to the discharge port in a spiral trajectory with the rotation of the blade shaft, and continues to be stirred during transportation, so that the moisture seeping from the sludge continues to evaporate. Finally, the uniformly dried qualified product is discharged from the discharge port. The jacketed shell structure is adopted, so that the sludge is evenly heated at each interface inside the machine, the shaft rotates, the sludge is constantly tumbling in the equipment, and the heating surface is constantly refurbished. This greatly improves the steaming efficiency of the equipment, not only achieving the purpose of sludge drying, but also realizing the low-cost operation of the entire device.
Different materials choose different drying processes, and it is very important to choose the correct drying process. The general single-stage drum dryer does not dry the material according to its characteristics, which makes the color of the dried material poor. Sludge is a material that is not easy to dry, which makes the dried material dry and wet inside and uneven. The DC vortex plus AC reciprocating fast dryer is used to make the dried material have good color, save resources and improve economic benefits.
Features:
1. Because the heat required for drying the equipment relies on indirect heating by heat conduction, the drying process does not require or only requires a small amount of gas to take away the moisture. It greatly reduces the heat loss of this part taken away by the airflow, improves the heat utilization rate, and is an energy-saving drying equipment.
2. Stirring and mixing make the material violently turned, thereby obtaining a high heat transfer coefficient, so the floor area and space are very small, saving the cost of plant infrastructure. The drying process uses less gas, the flow rate is low, and the amount of dust carried away by the gas is small, so the gas dust is easy to recover after drying, and the recovery equipment is small in size, which can save equipment investment. For the drying process that needs to recover the solvent, the solvent concentration can be greatly increased. Due to the special structure of the paddle, the material is alternately squeezed and relaxed during the drying process, which strengthens the drying. The filling rate of materials in the drying chamber is very high, which can reach 80%-90%. The residence time of materials can be adjusted by adjusting the feeding speed, stirring shaft speed, material filling degree and other parameters, which can be adjusted arbitrarily from a few minutes to a few hours.
3. Sludge dryer can be used for sludge drying in many fields such as municipal sludge, printing and dyeing sludge, papermaking sludge, electroplating sludge, etc. It has high thermal efficiency, wide range of use, low operating cost, and can also achieve continuous production.
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