You know, Ventilation systems are must for food premises to maintain good conditions of the plant. But, if you are a newcomer to this field, you should be developed on huge confidence of your every systems ,which are using within the premises.
That is why, I gave this kind of information for you. Read more carefully to understand those. It aims to ensure that planned developments have adequate ventilation systems that will not lead to complaints from neighboring properties about cooking smells or noise from equipment such as fan motors. So, It will be better for the relevant details to be incorporated into planning applications to ensure that such problems are unlikely to occur.
I have explained the key elements of a good extraction and ventilation system in all types of premises where hot food is prepared. If you are planning new catering premises and you have an designer or engineer, you may hope ask them to read this article so that the necessary details can be built into your plant.There should be controlled odours and noises by using this ventilation system. I am talking about "How to control odours" in here. Other will give later as, "How to control noises".
Requirements To Control Odour
The ventilation system must deal with cooking odours, fumes and steam produced by cooking of foods and be designed to prevent or minimize any nuisance caused to neighbors.There are several essentials. That unfavorable air extract system will consist of bellows.
A canopy, which should widen away from the cooking equipment area by at least 22.5 cm, must be provided to collect the cooking fumes and straight them into the duct work. Metal canopies are best constructed of stainless steel. Grease filters should be incorporated into the cooker hood and should be easily removable for regular cleaning before they become clogged.
The ducting should be as straight and short as possible to ensure that fumes are discharged as effectively as possible. Care should be taken when designing the route of ducting to avoid closeness to residential or office windows on neighboring properties, which could give rise to complaint. The duct material is usually galvanized steel. It should have a smooth internal surface and its route out of the building should avoid sharp bends. Circular ducting is ideal, as it maximize the flow rate.
There will be a fan positioned within the duct work to pull cooking fumes from the cooker hood to the top of release. To support good diffusion of cooking fumes, the size of the fan motor must be adequate to ensure proper ventilation.
Final release should be vertically upwards and should end at least 1m above the roof space. If there are buildings close by which are likely to have an effect on the diffusion and strength of odour, the outlet should end at least 1m above the roof space of that building. Ground level or low level releases should generally be avoided.
However, where high level fume dispersion is not suitable, a suitably enhanced system of ventilation is required. The release should be without hindrance by outlet.
Carbon filters are also required and are essential when cooking fried foods and foods with strong odours. Carbon filters should be fitted in the duct work after the grease filters and before the fan and should be easily accessed for cleaning. The carbon filter should consist of pre filters, as these ensure that no grease enters the carbon filters.
Access to all parts of the system is essential to let routine cleaning of the system and maintenance of the filters.
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