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SZG double cone rotary vacuum dryer


The main purpose

       This machine is suitable for the concentration, mixing, drying of powdery, granular and fibrous materials in chemical, pharmaceutical, food and other industries, as well as materials that require low-humidity drying (such as biochemical products, etc.). It is more suitable for materials that are easily oxidized, volatile, and strongly stimulated by heat sensitivity. , Toxic materials and materials that are not allowed to destroy crystals are dried.

Detail image







      1. When the oil is heated, automatic constant temperature control is adopted, which can dry biochemical products and mineral raw materials. The temperature can be between 20-160°C, and the temperature can be within ±2°C.

      2. The thermal efficiency is high, more than 2 times higher than that of ordinary ovens.

      3. Indirect heating, the material will not be contaminated and meets the requirements of 'GMP'.The equipment maintenance operation is simple and easy to clean.

working principle

       In the sealed interlayer, heat is transferred to the material to be dried through the inner shell through thermal energy (such as hot water, low-pressure steam or thermal oil).Driven by power, the tank rotates slowly, and the materials in the tank are continuously mixed, thereby achieving the purpose of enhanced drying.The material is in a vacuum state, and the drop in vapor pressure causes the water (solvent) on the surface of the material to reach a saturated state and evaporate, and is promptly discharged and recycled by the vacuum pump.The water (solvent) inside the material continuously penetrates, evaporates and is discharged to the surface. The three processes are continuously carried out, and the material achieves drying purpose in a short time.

Working principle diagram

SZG series double cone rotary vacuum dryer

Simple structure diagram


Installation diagram


Technical Parameters

型      号 Model 100 Model 350 Model 500 Model 800 Model 1000 Model 1500 Model 2000 Model 3000 Model 4000
Tank volume (L) 100 350 500 800 1000 1500 2000 3000 4000
Charging volume (L) ≤50 ≤175 ≤250 ≤400 ≤500 ≤750 ≤1000 ≤1500 ≤2000
Speed ​​(r/min) 6 6 6 6 6 6 5 4 4
Motor power (kw) 1.1 1.5 2.2 2.2 3 4 5.5 7.5 11

Floor area (mm)

(long  x width)

2160 x 800 2260 x 800 2350 x 800 2560 x 1000 2860 x 1300 3060 x 1300 3260 x 1400 3760 x 1800 3960 x 2000
Rotation height (mm) 1750 2100 2250 2490 2800 2940 2990 3490 4100
Design pressure inside the tank (Mpa) -0.09~-0.096
Jacket design pressure (Mpa) ≤0.3
Operating temperature (°C) Inside the tank ≤85 Jacket≤140
heating medium Steam, hot water, thermal oil
Weight (kg) 825 1350 1650 1800 2100 2300 3000 4500


Note: The heating device vacuum pump is optional.


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