Product

Crystallization Tank

Applications and Structure

The crystallization tank is used for fractional purification by utilizing the concentration difference between solutes. Crystallization is generally divided into two types: evaporation crystallization and cooling crystallization. At present, part of the market adopts cooling crystallization. Whether it is evaporation crystallization or cooling crystallization, the internal structure of the crystallization tank is the same. The crystallization tank is generally made of stainless steel, because stainless steel can withstand low temperature.

Working Principle

A crystallization tank is a crystallization device used for rapid temperature reduction via chilled water or refrigerant in the interlayer after material mixing and reaction. Its key design elements include the size of the interlayer area, the structure of the agitator, the form of the material outlet, high-precision polishing of the tank interior, and the requirement for 死角 – free (dead-angle-free) internal cleaning to meet process conditions. Our company has rich design and manufacturing experience for different process requirements, and the equipment produced fully complies with GMP validation standards. We can manufacture crystallization tanks with a volume of 0.3-5 m³.

 

For stainless steel crystallization tanks, the material of stainless steel can be imported 316L or 304 depending on different uses. The inner wall is polished by electrolytic mirror finishing or mechanical polishing, while the outer wall adopts a fully welded 304 thermal insulation structure with a mirror or matte surface treatment. A 0.2μm hydrophobic ventilation filter is installed on the stainless steel crystallization tank. The tank can withstand high-temperature sterilization and is equipped with a sanitary-grade pressure gauge. The external connection ports of the tank use sanitary quick-opening joints. The crystallization tank is equipped with a temperature monitoring device, two sight glasses, a cleaning ball, and a nitrogen inlet. The shaft seal adopts a special sanitary-grade mechanical seal to ensure that materials are not contaminated. The crystallization tank can be equipped with a frequency conversion speed regulation device, allowing a wide adjustment range for the agitator shaft speed.

Technical Parameter Table

Model FY100 FY200 FY300 FY500 FY1000 FY1500 FY2000 FY2500 FY3000 FY4000 FY5000
Specification
Volume (L) 100 200 300 500 1000 1500 2000 2500 3000 4000 5000
Nominal Diameter (mm) 500 600 800 800 1000 1200 1200 1400 1400 1500 1600
Nominal Pressure in Kettle (MPa) 0.25 – 0.5 0.25 – 0.5 0.25 – 0.5 0.25 – 0.5 0.25 – 0.5 0.25 – 0.5 0.25 – 0.5 0.25 – 0.5 0.25 – 0.5 0.25 – 0.5 0.25 – 0.5
Nominal Pressure of Jacket (MPa) 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
Motor Power (kW) 1.1 1.5 2.2 2.2 4 4 4 5.5 5.5 5.5 7.5
Agitation Speed 63r/min 85r/min 130r/min 160r/min
Volume Category Class I Pressure Vessel or Atmospheric Pressure Class I Pressure Vessel or Atmospheric Pressure Class I Pressure Vessel or Atmospheric Pressure Class I Pressure Vessel or Atmospheric Pressure Class I Pressure Vessel or Atmospheric Pressure Class I Pressure Vessel or Atmospheric Pressure Class I Pressure Vessel or Atmospheric Pressure Class I Pressure Vessel or Atmospheric Pressure Class I Pressure Vessel or Atmospheric Pressure Class I Pressure Vessel or Atmospheric Pressure Class I Pressure Vessel or Atmospheric Pressure

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