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How to Choose a Vacuum Cleaner Suitable for Factory Workshops
Release time:2020-05-21
For industrial vacuum cleaners used in factory workshops to remove dust, when selecting a vacuum cleaner for dust extraction in workshop environments, the primary factors to consider are the volume of dust it can handle. Regardless of the specific model, all industrial vacuum cleaners can effectively remove dust particles and water stains. The main differences among various models lie in their dust-handling capacity, the diameter of the suction nozzle (which must be smaller than the nozzle’s diameter), suction power (or motor wattage), dust-collection capacity, and filtration efficiency. When emptying the dust bin, manual cleaning is still required—currently, automatic cleaning of the dust bin isn't feasible. However, the dust on the filter can be cleaned automatically through a process known as "vibration cleaning," which is what we often hear or see referred to as "dust-shaking." There are four common methods for shaking off dust from filter elements: manual shaking, hand-held vibration, pulse vibration, and electromagnetic automatic dust removal. Let me explain further: Filter elements primarily serve to trap dust and prevent it from entering the air discharged from the dust bin (this is closely related to the negative pressure level; if the negative pressure inside the dust bin becomes too high, it indicates that the vacuum cleaner is clogged, and the air being sucked in cannot be properly expelled, potentially causing the dust bin to collapse and even damaging the motor). Filter elements are not designed to filter dust itself. For ultra-fine dust particles, an ultra-high-precision filter is necessary. While vacuum cleaners can effectively collect dust, they are also vulnerable to dust damage. If the filtration accuracy is insufficient, dust can enter the motor, leading to motor burnout.
Industrial vacuum cleaners designed for dust extraction in factory workshops come in three power options: battery-powered, single-phase electric, and three-phase electric models. In machining environments, large three-phase electric vacuum cleaners are more commonly chosen, while single-phase electric and battery-powered vacuum cleaners are less frequently selected. Three-phase electric vacuum cleaners can operate continuously for extended periods and offer higher power output, making them ideal for collecting heavier and larger particulate matter. When workshop power supply is inconvenient, battery-powered or pneumatic vacuum cleaners can be used instead. Single-phase electric vacuum cleaners, on the other hand, have a wider range of choices available. Moreover, the greater the power rating of an industrial vacuum cleaner, the higher its price will be.
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