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Sprays of sanitising agents like peracetic acid are commonly used to disinfect areas of the food production line. Unlike cleaning sprays no impact is needed from these sprays so an entirely different set of spray characteristics are required.
In most cases, the need will be for very finely atomised sprays that will 'fog' and distribute through the air This will allow the spray to come into contact with any surfaces where microbes may be present thus sterilising all parts of the plant, even if they do not have line of sight to the nozzle itself.
Alternatively, sanitising chemicals can be applied via liquid sprays or by foams, which serve to increase the contact time of the sanitiser.
For smaller areas that need a more directed sanitising spray than normal, hydraulic nozzles can be deployed. Often these are used on conveyor systems to deliver a fine mist of sanitising agent to product as it moves under a spray bar. Typically fluid pressures of 5 bar or more are required to produce a fine enough mist to give good penetration and coating.
MicroWhirl Head Misting Nozzle
Misting impingement misting nozzle
MicroWhirl Misting Nozzle
Get precision spraying for sanitising lines in bakeries with complete spray bar systems for new process lines or we can provide replacements for your existing spray bars. View our product icon below to learn more or get in touch with our Spray Bar Enquiry Form.
Configurable Spray Bars
Often the simplest way to washdown and sanitise complex environments like food factories is via manually operated washdown systems. The cleaning fluid is directed to where it is needed via a washdown lance or gun. Whilst this is labour intensive it is often not feasible to have every part of the factory covered by pre-installed, automated wash down systems with nozzles that cover every nook and cranny.
We offer a wide range of washdown systems from Lafferty. Most units will deploy venturi mixing to accurately dose a mains or boosted pressure water supply with chemical concentrate. The mixing can be done at a wall mounted unit, from a mobile trolly unit or even directly at the gun/lance.
Guns for spraying, fogging and foaming
Spraying and foaming sanitising systems
Cleaning chemical mixing stations
In addition to washdown sanitising guns we also have a range of fogging systems that can deploy very finely atomised sanitising chemicals over a wide area. These foggers can be stationary, filling an area from one point, or they can be mobile/manually operated. The advantage of fogs is that they can reach all areas of a factory that traditional washdown systems might miss.
Mobile, hand-held and full-plant fogging systems
Air atomising systems also have the advantage of projecting the spray a considerable distance from the nozzle. This allows even low flow rates of fine fogs to be distributed over fairly large areas.
Hollow Cone Air Atomising Nozzle
XAPR Internal Mix Full Cone Air Atomising Nozzle
Bakeries key applications
Bakeries engineering considerations