Cost Savings

Heating

Since the clean air vented back to the facility is warm, utilising a ScandMist system nullifies the need to constantly re-heat the workshop. The temperature of the cleaned air will be dependant on the process it is used upon, but is typically between 15 ºC and 30 ºC.

  • For Example:
    Factory using electricity to provide heating to facility
    Scandmist MA 400 D unit @ 4,000 m³/h
    Working a 24 hour day on a process producing 22 ºC of warm clinically cleaned air

    Typical electricity costs: 6.5 pence per unit per hour
    Mean annual outside air temperature: 11 ºC
    Energy required to maintain 22 ºC: 354 kWh for 24 hours

    Cost saving per ScandMist unit: £17 per day

    This equates to a factory using 10 Scandmist 400 D units working 24/5 per week, and working 48 weeks per year, saving £40,800 per year.

    Note: In warm environments, the ScandMist can be ducted out through the roof, or to the warehouse and other parts of facility.

Ventilation

By eliminating oil mist at source with a ScandMist system, a factory’s HVAC units will no longer become clogged and damaged by oil mist present in the air flow. This means that the filters will last longer (up to twice usual life), and a further saving can be expected from the disposal of oil-contaminated filters and the associated labour costs.

Returned Oil

Rather than simply venting it elsewhere or retaining it in its filters, ScandMist coalesces oil mist to the base of the unit where it can be reused. This can potentially offer significant savings, especially in applications where high levels of emulsions are utilised.

  • For Example:
    One customer operating a high volume, turned parts factory around the clock, reports that one ScandMist unit was returning 50 litres per day, which was previously circulated around the factory. This represents a cost saving of 350 litres of neat oil per week, per ScandMist unit.

Facility Maintenance

Circulating mist is not only unpleasant it also represents a genuine health and safety hazard. With oil dripping from the walls, ceilings and lighting into puddles on the floor, maintenance to clean-up the oil can represent a significant cost.

  • For Example:
    One customer (a large transmission manufacturer) reported a particularly grim situation before adopting ScandMist: cleaning the floor of oil was a full time job for two people at a cost of £40,000 per year, lighting had to be cleaned 3-4 times per year and the walls and ceilings had to be cleaned and repainted every year. This was in spite of having another filtration system in place.

Maintenance of existing oil mist filtration systems

Many workshops have inferior filtration systems in place which require huge amounts of maintenance to even keep them performing at a low level. ScandMist’s low maintenance design requires that the gauges are read to ensure performance, and the changing of the filters every couple of years in general.

  • For Example (1):
    A very large automotive 1st tier supplier had three full-time maintenance workers dedicated to maintaining 250 old technology oil mist filtration systems.
  • For Example (2):
    A very large diesel engine manufacturer which used numerous electrostatic and centrifugal oil mist systems, had to replace the filters and strip and clean the systems every three weeks; a process which cost £250 per unit.

Replacement of Electronic drive boards on CNC Machines

It is well documented that oil mist also contains particulates or slivers of the metal that is being machined. When this finds its way into the electric control boxes of a CNC machine, there is a strong chance of arcing, so destroying the drive boards. By removing the oil mist from the atmosphere with a ScandMist unit, not only is it possible to avoid the high cost of replacement, but the cost of down time is also eliminated.

Health and Safety

It is now widely accepted that the inhalation of oil mist is potentially very harmful. Following a two year study at Rover, the HSE in the UK found that over 100 workers could have been adversely affected. This, along with well documented incidents in the USA, has led to a change in advice on the control of oil mist, with all previous safe level guidance being removed and a recommendation that it is important to measure total mist and not simply neat oil content. This change in viewpoint by the H&S organisations has been confounded by recent cases where companies have faced ongoing litigation and severe penalties handed down by the courts.


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Did you know?

A bag filter with 635 mm long pockets will cost €3.50 more than one with 525 mm pockets but cost €25 less in energy per annum.