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Are there any requirements for the installation environment of all steel biosafety cabinets

日期:2023-02-06 13:00
浏览次数:111
摘要:As a kind of safety equipment widely used in scientific research, teaching, clinical inspection and production in the fields of microbiology, biomedicine, gene recombination, animal experiment, biological products, etc., the all steel biological safety cabinet is the most basic safety protection equipment in the first level protection barrier of laboratory biological safety. Requirements to be met when installing all steel biosafety cabinets include: 1. Altitude. The atmospheric pressure at
As a kind of safety equipment widely used in scientific research, teaching, clinical inspection and production in the fields of microbiology, biomedicine, gene recombination, animal experiment, biological products, etc., the all steel biological safety cabinet is the most basic safety protection equipment in the first level protection barrier of laboratory biological safety.
Requirements to be met when installing all steel biosafety cabinets include:
1. Altitude. The atmospheric pressure at different altitudes is different, which may affect normal operation. Therefore, the installation location will be limited by the altitude. Generally, the normal operating altitude is 2000 meters. When the altitude of the installation location exceeds the design range, the commissioning of wind speed and other performance shall be carried out on site.
2. Temperature and humidity. The installed room shall have temperature and humidity control. Generally, the temperature shall be 15 ℃ - 40 ℃, and the relative humidity shall not exceed 90%.
3. Floor. The installed floor shall be flat, firm and fire-resistant.
4. Room. The installed room shall be high enough. For the safety cabinet for indoor ventilation, its top shall be at least 20cm away from the ceiling of the room after installation, so as not to affect the ventilation of the safety cabinet. For the safety cabinet with sleeve connection or sealing connection, there should be enough height to install the connecting pipes and related parts.
5. Power supply and socket. There should be a power supply that can meet the operation of the safety cabinet. In order to avoid unintentional power off, the power socket should be protected, such as physical isolation or locking devices. The ideal power socket should be higher than the safety cabinet. The change of voltage superior to the power supply will affect the airflow mode. If necessary, a voltage regulator with wide voltage fluctuation shall be installed.
6. Supply and exhaust air. If the room is equipped with air supply and exhaust system, the setting of air supply and exhaust outlets shall not affect the normal function during operation, especially the inward air flow of the front operation port. The air change rate of the room is generally required to be no less than 12 times per hour.
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User maintenance of all steel biological safety cabinet:
(1) Daily maintenance: use 70% alcohol to purify the surface of the working area, side wall, back wall and window inside the safety cabinet. Do not use reagents containing chlorine, as it may damage the stainless steel structure of the safety cabinet. Also clean the UV lamp and the surface of the power output port. When cleaning the internal area of the safety cabinet, the operator shall not enter the safety cabinet except by hand, check the alarm and detect the basic air flow.
(2) Weekly maintenance: clean the drainage trough with 70% alcohol, and check the residual substances at the captured paper hole.
(3) Monthly maintenance: Wipe the external surface of the safety cabinet with a damp cloth, especially the front and upper part of the safety cabinet, clean up the accumulated dust, check the reasonable use of all maintenance accessories, and check the above daily work items
(4) Quarterly maintenance: check any physical abnormality or failure of the safety cabinet. Check the fluorescent tubes to ensure that they work normally. When there are spots on the stainless steel surface that are difficult to remove, MEK can be used. After using WEK, quickly wash the stainless steel plate with clean water and liquid detergent, and wipe it with polyurethane cloth or sponge. Regular cleaning of the stainless steel surface will keep the surface smooth and beautiful.
(5) Annual maintenance: qualified certified technicians shall perform performance certification on the safety cabinet and replace the ultraviolet lamp