What furniture and equipment are in the dust-free clean laboratory? -common problem
What furniture and equipment are in the dust-free clean laboratory?
The sample cabinet for placing all kinds of experimental samples should have partitions that can be labelled, etc., to facilitate the storage of samples and the search for samples. According to the physical properties and chemical stability of the samples, some samples need to be stored in a desiccator. Therefore, the compartments are large and small for easy storage...
Text label: dust-free clean laboratory, furniture and equipment
What kind of furniture and equipment does the dust-free clean laboratory have?
The sample cabinet for placing all kinds of experimental samples should have partitions that can be labelled, etc., to facilitate the storage of samples and the search for samples. According to the physical properties and chemical stability of the samples, some samples need to be stored in a desiccator. Therefore, the compartments are large and small to facilitate the storage of different samples. The laboratory should set up safety stations and emergency devices as needed, such as eyewashes, showers, fire extinguishers, protective gloves, protective clothing, adsorption materials, etc. The best location for the safety station is at the main entrance of the pharma machinery, which is convenient for staff. For use and maintenance, consideration should be given to setting up multiple safety stations for staff to use when needed. According to the process requirements, for the electronic industry, etc., a special clean workbench can be selected. For other aspects, a horizontal airflow clean workbench or a vertical airflow clean workbench should be selected according to the obstruction of the process equipment to the airflow, so that the equipment can block the airflow. The minimum, for the process of strictly controlling vibration, a clean workbench with the work surface separated from the box can be used; when arranging a horizontal flow clean workbench in a clean room, the operation ports should be avoided as far as possible. Should be greater than 3m to avoid interference.
Biosafety cabinet is the main clean equipment for microbial experiment operation, which protects the safety of operators and the environment during the experiment. The secondary and tertiary biological safety cabinets can also protect the samples from contamination during the operation; the biological safety cabinet has 3 levels, first, second and third, the structure is more complicated than the clean cabinet, the gas in the operating area is negative pressure, and the gas is discharged after purification; the clean cabinet protects the operating sample, but does not protect the operator and the environment, and the gas in the operating area is under positive pressure. The gas outside the operating area is directly discharged. The exhaust system of the fume hood in the inspection and testing pharma machinery should be set up independently. Each fume hood or in the same room uses a set of fans and pipelines. Each system is independently controlled in each room, and the air ducts are not shared, nor should the fire fan be borrowed. If there are more than two fume hoods in the same room, they should be classified as a system to avoid the backflow of other fume hoods to pollute the room when one fume hood is used. A set of exhaust equipment should be installed in one room; The supplementary air is composed of the fresh air fed by the fresh fan, the fresh air infiltrated through the door seam or the reserved louver supplementary air vent, and the fresh air fed by the central air conditioner. In order to prevent harmful gases in the laboratory from polluting other rooms and corridors, the room can generally be designed to be in a negative pressure state by adjusting the amount of exhaust air and the sequence of starting and stopping the fans. Fresh air can penetrate into the room through the door gap of the room. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for dust-free laboratories and clean laboratories.
Most of the balances commonly used in laboratories are desktops. The analytical balance can be set on a stable fixed anti-vibration workbench. The balance platform of a high-precision mechanical analytical balance has high requirements for anti-vibration; although it has been considered when designing the balance room In order to keep it away from the vibration source as much as possible, and take active vibration isolation measures for possible vibration sources, but the impact of environmental vibration is more or less always present, such as people walking, door opening and closing, etc., so the sky platform must be There are certain anti-vibration measures, and the balance of the control sky platform is completed by the adjustable feet installed at the bottom of the sky platform. The width of the single-sided sky platform is generally 600mm, and the height is generally 850mm. The length of the sky platform can be considered as each balance occupies 800-1200mm. Additional anti-vibration seat, in order to further keep the balance clean and free from the influence of air flow, consider setting a balance cover to cover the balance, and open the door and push it into the cover when using.
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