Email Enquiry
Fire Mist, New Technology
Fire Fighting System
Initial Email Enquiry –
This innovative design is in developmental stage for the membership to view.
Not sure how effective it will be - I have trailed the IFEX atomised water
systems using 'pulse technology' many years ago. this gave very good control
and extinction of small compartment fires, however, on Class B fluids failed
miserably. The introduction of a 'wet water' foam solution gave marginal improvements.
The same size tray and pump fires were more easily dealt with by a conventional
9kg Dry Chemical Extinguisher.
I can see that the continuous development and delivery of the atomised water
steam and water has advantages over the pulse technology - it will provide
a diluents effect as well as cooling and smothering. Other systems which have
been developed along these lines are the infamous 'Turbo Locscher' from BASF
Ludwigshaven. The uses of these have been for rapid gas dispersion as well
as a niche for 'tunnel fires'. I guess the advantages that this system has
over the others is that it allows for the introduction of multiple agent uninterrupted.
Any views which may help the developers when considering this for High Hazard
installations?
The main points:
Continuous flow, Droplet size is adjustable, currently running around 40
microns with little divergence, Water flow rate is adjustable. Delivery cone
is adjustable for spot or area suppression, currently around 50 degrees. We
have recorded projection distances >40 metres with a 47 mm system in calm
conditions. Volumes and projection distances of mist are higher than those
available from conventional systems. Although steam is used, temperature drop-off
is such that there is no danger of scalding. Steam can be generated chemically
for fixed or remote applications. Mist volumes are high enough to consider
explosion and fire suppression in large buildings and factories, utilising
a single, or multiple, PDX units We have a number of sizes of units (13, 25,
47, 63 mm), which can all be adapted for water mist generation The system
is intrinsically safe The system uses the low-pressure zone created by the
unit to entrain powders or liquids if required
The "delivery end" of the system is man-portable. The system has
no moving parts/low maintenance requirements. The system can use unfiltered
fresh or sea water Our present system utilises a trailerised steam generator.
Background on Pursuit Dynamics is available on www.pursuitdynamics.com We
would be happy to demonstrate the system to you either here or at your site.
Click here to view technical memorandum on Fire Mist as a new technology fire fighting System.
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