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Dissolution Tank

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Definition

In chemical engineering, a dissolution tank is a mixing and stirring vessel for dissolving one or several materials according to process ratios. It can also serve as a buffer, or be used for reactions such as distillation, extraction, solution preparation, acid-base neutralization, and post-treatment of decomposition. A stainless steel dissolution tank, also known as a dissolution reaction tank, is used for processes like dissolution, heating, cooling, metering, and chemical reactions within the tank.

 

Dissolution tanks share similar working principles with reaction kettles and stirring tanks, but differ in details and application scenarios.

Composition

In chemical engineering, dissolution tanks are generally made of carbon steel or stainless steel, featuring functions such as heating, cooling, heat preservation, and stirring. Tanks with heating or cooling functions are equipped with jackets, through which heating or cooling media can be introduced for temperature control, allowing materials to be fully dissolved and mixed by the rotation of agitators.

 

The system configuration mainly includes:
  • Transmission device
  • Mechanical seal device
  • Temperature control device
  • Spotlight
  • Sight glass
  • Stirring device
  • Manhole charging port
  • Steam inlet
  • Condensate water outlet
  • Material outlet
  • Drain port
  • Sampling port
  • 360° universal cleaning ball
Some tanks also have additional components such as:
  • Orifice plate filtration device
  • Weighing and metering device
  • Liquid level metering device
  • Circulation device

Accessories

According to customer requirements, the following accessories can be installed:
  • CIP cleaning device
  • Level gauge (material level meter)
  • Manhole (hand hole)
  • Breather (flame arrestor and explosion-proof type)
  • Sight glass with spotlight
  • Temperature sensor
  • Pressure gauge
  • Vacuum gauge
  • Bottom-discharge type material valve
  • Ball valve
  • Liquid inlet
  • Liquid outlet
  • Drain port

Distribution Box

It includes electrical control equipment for motor-reducer start/stop or variable frequency speed regulation, temperature digital display and control devices, as well as components involved in the accessories. The automatic dissolution system can be equipped with a liquid crystal touch screen and a PLC controller.

Parameter Selection

Nominal Volume 100L 300L 500L 1000L 2000L 3000L 5000L 10000L
Inner Diameter (mm) 500 800 900 1100 1400 1500 1800 2100
Heat Transfer Area (m²) 0.9 2.0 2.7 4.5 7.5 10.0 13.5 22
Agitation Power (KW) 0.55 0.75 1.5 3.0 4.0 5.5 7.5 11.0
Rotation Speed (r/m) Fixed speed or variable frequency speed regulation
Agitation Form Designed and manufactured according to material properties
Working Pressure (Mpa) Designed and manufactured according to process conditions
Working Temperature (℃) 0-200°
Jacket Heating/Cooling Medium Steam/cooling water/other refrigerants such as ethylene glycol, silicone oil
Metering Method Weighing liquid preparation or liquid level metering or flow metering
Thermal Insulation Material Polyurethane/rock wool
Nozzle Configuration Can be designed as required under satisfying conditions
Tank Material SUS304/316L/carbon steel

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