2012年3月10日星期六

How Clean Is The Air You Breathe

What three features are vital for the best type of vacuum cleaner? The three main stages are agitation, suction and capture.First up is how well it loosens the dirt. Uprights have brushes underneath that open the pile and loosen the dirt. The ones that seem to have the best Gucci Britt effect (raising the pile) have a motor built into the base that powers a brush or beater bar. It's what gives them more "oomph" to shift the dirt. You can often see the difference when you compare a machine with a separate motor to one Thomas Wylde Handbags without. Most people agree that the fibres are raised and separated more with a dual drive systemNext you have to see how it whisks the dust and dirt away. After all it's no good removing the dust if you just leave it where it is. That's far more unhealthy. You need to get it away in the most efficient manner. What do you need?In other words, how effective the vacuum system is.The two commonest filtration systems are bags or cyclones.As a bag or filter has to stop dust physically, it will also start to get blocked.Their efficiency falls off quickly once the pores in the bag start to become clogged. It's usually well before these are perhaps about twenty five percent full.Spinners are another type of filtration system If there are enough filters built in these can be excellent.{The cyclone, in contrast, removes the dust by spinning it really quickly to ensure it gets thrown out from the side.|You must use a filterprocedure that gets rid of dust and dirt without clogging up the bag or the filters. The answer is a spinner or cyclone system.|Cyclone systems bypass this "clogging" situation by utilizing centrifugal force. Remember when Balenciaga Handbags you were a kid and you played on a merry go round? As you went faster and faster you needed to hang on for all you were worth to stop being thrown of the outer edge. It's the same for the dirt. It gets thrown out of the airflow and falls into a container.}Because there is no real restriction on the airflow, the machine can operate close to it's full potential for long periods of time. This is in contrast to the physical barrier approach (bags) that severely cut down the airflow. That restriction can lead to at best, a thermal overload switch cutting in, or worse a fire starting.In my years doing business with carpet cleaners Birmingham, the next prerequisite has been critical. The third thing to look for is how well the machine contains the extracted dirt.Many machines throw a good percentage of the dust back out into the atmosphere.This fine dust can cause all sorts of breathing problems.It is critical that you stop this dislodged dust from escaping Gucci Duchessa back into the air in the room.Water filtration is a simple but powerful way to "wash" the dust laden air that is sucked through the vacuum cleaners.The principle is that once the dust has been blown into the water it cannot escape.The tub vacuums use this system.The dust and dirt is sucked into the machine where it is trapped by the water as it blows across. Once in, it cannot escape back into the atmosphere.What would be the best way to design a vacuum cleaner (assuming that patents were not a problem)?After reading the above you would, no doubt, go for the best features of each variation. For instance, you would want the increased agitation from a separate brush motor. You would want the high airflow of a cyclone (or possibly a water system). You would also want the "air washing" performance of a water filtration vac. Can you have all these together? No (well let's say maybe).You have to find a way of keeping the water more or less level throughout the process (which is difficult, if not impossible with an upright cleaner).You could compromise and go for a water filtration vacuum with a separately powered electrical brush head.That would tick most of the boxes.

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