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What are the precautions for using the ultra-clean bench
What are the precautions for using the ultra-clean benchUltra-clean bench is a one-way air purification equipment, which can provide a local dust-free and sterile working environment. It can be widely used in health care, biopharmaceutical, food, medical science experiments, optics, electronics, aseptic laboratory experiments, aseptic microbiological testing, plant tissue culture inoculation, and other scientific research and production units that require a highly clean and sterile working environment. Can also be connected to the assembly line, composed of the ultra-clean assembly line, but pay attention to reduce noise and take into account the need to facilitate the movement. Ultra-clean workbench has a high degree of local cleanliness, the characteristics of the working environment universality. Compared with the general workbench, the application of an ultra-clean workbench can improve process conditions, improve product quality, and increase production.The principle of an ultra-clean workbench is that, in a specific space, the air is first filtered through the primary filter, then pressed into the static pressure box through the centrifugal fan, and then through the air high-efficiency filter for the second filtration. The clean airflow blown from the outlet of the high-efficiency air filter has a certain and uniform cross-section wind speed, which can eliminate the original air in the working area, take the dust and biological particles away from the working area, and form a sterile and highly clean working environment. The air inlet of the ultra-clean table is equipped with a primary filter to block large particles of dust, which should be inspected and disassembled frequently, and should be replaced in time if it is aging and dirty. The high-efficiency filter of the ultra-clean table can also be replaced. If it is used for a long time, the dust particles will be clogged and the wind speed will be reduced, which can't guarantee a clean and quiet aseptic operating environment. Three-phase four-wire power supply is mostly used for ultra-clean bench, which has a zero line, connected to the chassis, connected to the ground, The remaining three are phase lines, the working voltage of 380V, and the three-wire connection method has a certain order. If the thread connection is not correct, the sound is not normal or slightly abnormal at this time, the ultra-clean bench can not send air. The service life of the ultra-clean bench depends on the cleanliness of the air. Generally, the clean laboratory is generally equipped with a laminar flow ultra-clean bench, and in the ordinary environment, due to the high content of dust in the air, ultra-clean bench is good to choose a better closure of the lifting door of the ultra-clean bench. In any case, the air inlet and outlet of the ultra-clean bench should not face the open door or window, so as not to affect the service life of the filter. Sterilisation requirements, Ultraviolet lamps can also be used in the ultra-clean bench supporting, but it is recommended that they are installed in the lighting outside the lampshade and staggered to ensure that the work of the lighting is not affected. If the UV lamps are mounted in the lighting hood, they will not be useful as UV light cannot penetrate the glass. |
