Vacuum cleaner filtration systems vary in efficiency, maintenance requirements, and environmental impact. Understanding the differences between dust bag, dust cup, and water filtration can help you choose the best option for your needs.
Dust bag filtration is one of the most common methods. It works by trapping particles as small as 0.3 microns with a 99.99% efficiency rate. However, as the bag fills, the vacuum’s suction power decreases over time, making it less effective. While users don’t need to replace the bag after every use, it should be changed periodically. If left too long, dust bags can become breeding grounds for mites and other microorganisms, leading to secondary pollution when they are emptied. This system is ideal for industries like factories, hotels, and car detailing, where frequent cleaning is required. The downside is that the fabric pores can expand over time, reducing filtration effectiveness and requiring replacement.
Dust cup filtration uses high-speed motor rotation to separate debris from air, then filters the remaining particles through HEPA filters. This method eliminates the need for frequent replacements, making it more convenient for everyday use. However, it requires cleaning after each use, which can be a bit time-consuming. It’s a good choice for homes or offices where regular but not constant cleaning is needed.
Water filtration is a more advanced and effective method. Instead of using traditional filters, it uses water as a medium to trap dust and microorganisms. As the dust passes through the water, it gets dissolved and locked in, while the remaining particles are filtered further. This results in cleaner exhaust air than the air being sucked in. The main advantage is superior filtration performance, but there are some drawbacks. Water-based systems require careful waterproofing and design, which makes them more expensive. They also need to be drained and cleaned after each use to prevent mold, bad odors, and rust. Despite these challenges, they are great for home and office environments where air quality is a priority.
Vibrating ruler or surface finishing screed is a commonly used tool in construction machinery, mainly used to remove air from concrete in construction, scrape the concrete floor, and increase the density and viscosity of concrete. Vibratory rulers are used in a wide range of applications. The vibrating ruler, also known as the walk-behind vibrating ruler, can be divided into gasoline vibrating ruler and electric vibrating ruler according to power. Generally, a vibration ruler of about 2 meters is used the most.
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