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ATM 210

Atomizer Aerosol Generator ATM 210 for aerosol generation from liquids against counter pressure up to 10 bar, compressed air operated, moderate mass flow rate

The Atomizer Aerosol Generator ATM 210 is used especially for nebulizing of test aerosols into pressurized vessels up to 10 bar.
Atomizer Aerosol Generator ATM 210, front view
Its design ensures the generation of highly stable particle size distribution and concentration with high reproducibility and a high aerosol output in accordance with the guideline VDI 3491-2.

Standards

VDI 3491-2
VDI 4258-1
ISO 12500-1
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Benefits

  • aerosol generation against pressurised systems up to 10 bar
  • long-term stable generation of aerosols

Applications

  • generation of polydisperse aerosols, mainly submicron (< 1 µm)
  • long-term stable generation of aerosols

The atomizer is the key part of the ATM 210. It is made of high quality stainless steel and works as a two-stream nozzle, based on the injection principle. The unique feature is that the outlet points towards the wall of the glass vessel which works as the baffle plate. This particle impaction section removes coarse spray droplets and results in a particle size distribution mainly below 1 µm. Depending on the flow rate, the cut point of the impactor varies, but this has quasi no impact on the submicrometer range of the particle size distribution of the aerosol. The air is cleaned by a HEPA-filter before it is introduced to the atomizer.

The necessary compressed air is cleaned by a HEPA-filter. A pressure reducer and a manometer facilitate regulation of the atomizer pressure between 0 and 15 bar. A level indicator outside the atomizer vessel allows the user to check the liquid level during operation.

Parameter title Unit Value
aerosol, mass flow rate (aerosol substance) g/h max. 2,0
aerosol, volumetric flow rate L/h 50 ... 250
setting method - manual
setting resolution - continously adjustable
setting range bar max. 15
setting parameter - system pressure
operating medium, gas/air - compressed air supply bar max. 15
operating medium, gas/air - dry, particle-free compressed air or pressurised inert gas
operating medium, aerosol substance - filling volume mL 10 ... 80
operating medium, aerosol substance - liquids (DEHS, PAO, ...), solutions (NaCl, KCl, ...), suspensions (PSL, ...)
environmental condition, max. counterpressure bar 10
hose connector, outlet mm Ø 19 (outer diametere)
dimensions (w × h × d) mm 200 × 230 × 240
weight kg 4,9
  • Hireche O., Ramadan I., Weisman C., Bailliet H., Fraigneau Y., Baltean-Carlès D. and Daru V. Experimental and numerical investigation of natural convection flows in two horizontal thermoacoustic cavities International Journal of Heat and Mass Transfer 149 (2020) 19195,
    dx.doi.org/10.1016/j.ijheatmasstransfer.2019.119195

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Atomizer Aerosol Generator ATM 210/H, front view
detail view

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Atomizer Aerosol Generator ATM 211, front view
detail view

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