Aerzener Maschinenfabrik GmbH

- Bulk Vehicle Blowers

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Rotary Lobe Blowers for installation in Tankers and Silo Trucks. Aerzen bulk vehicle blowers have been developed for installation in tankers and silo trucks with extended pressure differentials of up to 1.2 bar. Conveyance in two directions possible using either horizontal or vertical flow. Proven technology, oil-free.

Design With 3-Lobe Rotors

  • Cylinder with cast-in pre-inlet channels at discharge side to minimize the sound by pulsation reduction. Therefore only vertical installation position is possible. Speed range between 1450 up to 4800 1/min.
  • Oil splash lubrication with oil sight glasses on both sides.

Shaft Sealings

  • Conveying chamber by the carbon ring labyrinth seal proven over decades in connection with the neutral chambers open to the atmosphere. Driving shaft with radial seal ring.

Direction of Flow

  • vertical, from top to bottom

Design With Two-Lobe Rotors

  • The conveying chamber is completely separated from the oil sumps by a space open to atmosphere.
  • The machine can be positioned upright, suspended from the top, and suspended from the left or right.
  • They are also available with an integrated gearbox with a speed set-up ratio of i=2,1.
  • The operating speed range is 1350 to 3200 1/min.
  • The drive side is grease lubricated, while the gear side is splash oil lubricated.
  • Gear driven models feature splash oil lubrication on both sides. Oil level check by means of dipstick.

Shaft Sealings

  • The conveying chamber is sealed by means of four piston rings in combination with oil slingers adjacent to the vent space.
  • The drive shaft is sealed by a seal ring. Gear driven models are sealed by a radial seal ring.

Direction of Flow

  • Both directions possible in horizontal or vertcial flow.

Drive

  • Via direct coupling or narrow v-belt drive.

Special Materials

  • None available.

  • Type of technology: Positive Displacement Blowers
  • Volume flow: 353.16 to 1,324.35 CFM
  • Medium: air
  • Conveying: oil-free
  • Negative Pressure: Max. -7.25 psi
  • Positive Pressure: Max. 18.13 psi

Developed for Conveying of Air.

Aerzen bulk vehicle blowers have been specifically designed to meet the operating requirements of bulk and silo vehicles in the generation of pressure or vacuum needed for the pneumatic loading and unloading of these specialized transport vehicles.

Aerzen bulk vehicle blowers meet the requirements of all pneumatic loading and unloading applications involving bulk or silo vehicles, both in pressure and vacuum duty.

Applications:

  • Pneumatic conveyance of bulk materials
  • Aeration
  • Filter backwashing
  • Gas conveyance
  • Degassing
  • Dust removal
  • Vacuum production
  • Biogas treatment
  • Air separation plant
  • and many others

Industries:

  • Chemical and process technology
  • Power plants
  • Cement and lime
  • Foodstuffs
  • Paper
  • and many others

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