![]() This system is highly effective offering very high levels of filtration and limits the operator to re-exposure when the dust bag needs to be replaced. As air and dust enters the container the first filtration process is via the dust bag, this removes most of the particulates.Īny exceptionally fine particles that permeate through the bag are then filtered out by the main cartridge filter before the clean air is sent back out into the atmosphere. Virtually all commercial dust extractors use a dust bag and cartridge filter system to trap dust and filter the incoming air. It sounds very complicated but it’s the same principle as when you use a drinking straw in a glass of water. The air outside the container is therefore at a higher atmospheric pressure which wants to move to the lower pressure region inside the extractor, taking any dust and contaminants with it.When the extractor’s motor is switched on, it turns a fan which removes air from the inside of the container sending it out into the atmosphere by an exhaust outlet, creating a low-pressure region inside.‘12,000 lung disease deaths each year estimated to be linked to past exposures at work’ – HSE work related ill health and occupational disease statement’ Silicosis is caused by breathing in silica particles which over time, results in irreversible scarring of the lungs making it difficult to breathe and get oxygen into the bloodstream. Silica is a mineral found in many types of masonry such as bricks, concrete, tiles and mortar and it is dispersed into the air when these materials are cut, drilled and broken up. Wood dust has long been associated with an elevated risk of lung cancer, but more recently silicosis has been a major focus of the HSE. “The average visible dust particle is approximately 10 Microns in size, harmful dust with a grain size of less than 2 microns can remain in the air for 30 minutes making it perfect for inhalation”. General household dust alone can trigger allergies, but dust from wood, paint and masonry can lead to serious and even life-threatening illnesses such as cancer and pulmonary fibrosis. Ignoring the fact that settled dust makes a place look untidy, there are more serious consequences to consider. Limiting exposure to dust in the workplace is important and needs to be taken seriously. But let us now think about the professional joiner, decorator, builder and kitchen fitter who are exposed to these harmful particles every day of their working lives. ![]() Even though the work may be confined to a single room, those annoying little particles seem to make their way throughout the whole house! Not only is the dust a nuisance in terms of cleaning up, it is also potentially harmful.įortunately, the average homeowner only has to undertake these works every few years. If you have ever embarked upon a DIY project such as fitting a new kitchen, bathroom or simply re-decorating, a common complaint is the amount of dust it generates. M Class Dust Extractors: Which are the best?
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