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The slaking machine used in the calcium hydroxide equipment production line is of a three-layer digester type for slaking quicklime. A calcium hydroxide digester, also known as a slaking machine or lime digester, is a specialized device used to convert quicklime (calcium oxide) into lime milk or slaked lime powder. It is mainly used in industries such as steelmaking, chemicals, metallurgy, papermaking, power plant desulfurization, alumina production, titanium dioxide manufacturing, sugar production, biopharmaceuticals, and soda ash production. A drum-type digester is a device used to convert quicklime into lime slurry, while a tank-type digester is a device used to convert quicklime into slaked lime powder. Each one consists of a power unit, a mixing tank body, a mixing shaft, wear-resistant mixing blades, a spraying device, a dust removal device, and so on. Its main feature is that once the automatic dosing system sprays water onto the quicklime in the mixing tank at a certain rate, the specially designed wear-resistant mixing blades cause the quicklime to be vigorously stirred within the tank, thereby enabling it to gradually dissolve, react, mature, and become homogeneous. At the same time, these mixing blades also push the resulting calcium hydroxide powder forward. The damping plates and limit plates inside the mixing tank ensure the digestion time of quicklime, allowing it to be completely digested. This device is capable of vigorously stirring and digesting quicklime; it features simple operation and maintenance, one-button control, thorough digestion, high production efficiency, a large specific surface area for the calcium hydroxide powder resulting from digestion, and is environmentally friendly. In particular, it has strong adaptability to digesting quicklime of poor quality.