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What is a weighing room?
What is a weighing room?The weighing room is a local purification device widely used in places such as pharmaceuticals, microbiological research, and scientific experiments.In terms of structure, it is mainly composed of several major components such as chassis, air supply filter, exhaust filter, variable air volume fan unit, PLC control system, and sensor system. The chassis is usually made of brushed fingerprint-free stainless steel SUS304, which is beautiful and easy to clean and disinfect. The indoor air is filtered through the primary filter and the medium efficiency filter layer by layer, is pressed into the static pressure box by the centrifugal fan, and then blown out clean air after passing through the high-efficiency filter to form a highly clean working environment. The working principle is not complicated. The equipment adopts a vertical unidirectional airflow form. The return air is first pre-filtered through the primary filter to remove large dust particles, and the pre-treated air is then filtered through the medium efficiency filter for the second time. Under the action of the centrifugal fan, the cleanliness requirements are met through the high-efficiency filter. 90% of the clean air circulates in the working area, and 10% is discharged from the equipment to form a relative negative pressure to ensure that the dust in the working area will not spread to the outdoors. For example, in the pharmaceutical industry, the proportioning and weighing of pharmaceutical raw materials requires a highly accurate and clean environment, and the weighing room can play a key role. It effectively prevents the spillage of dust and reagents, avoids the harm of harmful gases to the human body, ensures the safety of operators, and also prevents cross-contamination, ensuring the high cleanliness of the working area. In short, the weighing room, with its unique structure and working principle, provides reliable local purification solutions for many industries and is an important equipment to ensure the quality of production and experiments. |
