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Hydrocyclone HDZ-2

Hydrozyklon HDZ-2
  • HDZ-2
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Hydrocyclone HDZ-2 For a lower degree of purity Flow rate: 90 l/min Flow pressure: 1,5 -...more
Hydrocyclone HDZ-2
  • Hydrocyclone HDZ-2
  • For a lower degree of purity
  • Flow rate: 90 l/min
  • Flow pressure: 1,5 - 2,5 bar
  • Temperature range: +5 bis +60 °C
  • Kinematic viscosity: 1 - 20 mm ²/s
  • Material: corrosion-resistant, abrasion inhibiting plastic
  • Cyclones installed in parallel can increase cleaning performance by a respective multiple (cyclone battery)
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Applications Spandau hydrocyclones are highly suitable for use in filterfree cleaning...

Applications

Spandau hydrocyclones are highly suitable for use in filterfree cleaning installations.

Hydrocyclones are very economical centrifugal separators that are used to clean lowviscosity fluids like water and emulsions. The pre condition: the particles have to have a small grain size with a greater density than that of the fluid.

Use-condition

The particles must be of little grain size with greater density than the liquid.

Function

A pump delivers the fluid to be cleaned to the hydrocyclone. Rotational motion is imparted to the pressurized fluid with the help of the guide mechanism in the inlet. This motion produces a downward primary vortex.

The narrower diameter in the lower part of the conical section and the resulting throttle effect produce a secondary vortex rotating in the same direction that migrates upward in the center of the cyclone.

Particles with a higher specific weight are pressed against the cyclone wall by centrifugal force and leave the separator with a small amount of fluid via the underflow nozzle.

The cleaned fluid rises in the secondary vortex and is fed back into the cleanwater reservoir via the overflow.

Versions

All cyclone parts are made of corrosionresistant, abrasion inhibiting plastic and therefore display little wear. The only wearing part is the underflow nozzle where the highest concentration of particles is found. All the parts can be easily installed/dismantled – without special tools.

The working range of the cyclones lies between 1.5...2.5 bars overpressure.

Cyclones come in two grades with respect to their output of clean water:

  • HDZ-1 for rates of 70 l/min and a high degree of purity
  • HDZ-2 for rates of 90 l/min and a lower degree of purity

The exact degree of purity to be attained depends on various factors like, for instance, the fluid's viscosity, the shape and size of the contaminants, the difference in pressure in the cyclone.

Depending on these factors, particles up to the grain size of > 5 μm will be filtered out with a maximum degree of purity amounting to 98%.

Cyclone systems can be adapted to plant requirements: two or more cyclones installed in parallel can increase cleaning performance by a respective multiple (cyclone battery).

Pumps for hydrocyclone installations

Spandau Pumps, a systems supplier in the field of cool ant pumps for machine tools and filtration systems, also supplies appropriate cyclone feed pumps as well as cleanwater pumps designed for a wide range of performance figures. These immersion pumps are sealless, and thus have a long life as a result of their lowwear parts.

Hydrocyclones dimensions

Hydrocyclones dimensions

Hydrozyklon Abmessungen

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