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It depends on what the factory does, biological research will be exposed to a lot of carcinogens, but only large-scale production, some biological products have very high requirements for the cleanliness of the production process, and generally will not affect the body.
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1) All biological culture rooms involving biosafety shall comply with the provisions of the current "General Requirements for Laboratory Biosafety" GB 19489-2004 and "Technical Code for Biosafety Laboratory Construction" GB 50346;
2) The biological culture room with purification requirements should meet the interior decoration requirements of the current "Code for Clean Plant Design" GB 50073.
3) The biological culture room is composed of the front room area, the preparation room, the biological culture room, and the instrument disinfection and cleaning room. The usable area of the front room area should meet the requirements of the number of users, and should not be less than 8, the front room area should be divided into male and female areas according to the flow line, and respectively set up a family clothes changing room, a shower room and a work clothes changing room;
4) The biological culture area composed of several biological culture rooms should be centrally set up with a unified anterior room area;
5) The biological culture room should prevent cross-infection. It should be arranged at the end of the building, and it is not appropriate to open external windows. When there are external windows, double-layer airtight windows and shading measures should be made;
6) Between the biological culture room or the biological culture area and the non-biological culture area, a cast-in-place concrete wall or a solid concrete block wall should be set up to separate it. The functional rooms of the biological culture room should be separated by a sealed glass partition wall. The skeleton of the glass partition wall should be made of materials that are not easy to deform and resistant to cleaning;
7) The door on the glass partition wall of each functional room of the biological culture room should be sliding door;
8) The biological culture room should be left with a place to set up a sterilizer;
9) The outdoor door of biological culture should be a Class A fireproof door and an anti-theft door;
10) The instrument disinfection and cleaning room can be set up independently, or it can be combined with the decontamination center of the laboratory building.
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Since biology is a discipline that studies the phenomena of life and the laws of life activities, students' strong curiosity makes them eager to understand and explore the amazing natural world. Therefore, it is necessary to vigorously strengthen demonstration and student experiments in teaching, better cultivate students' hands-on, brain, observation and analysis skills, and consolidate students' learning results, which is also an important part of the comprehensive promotion of quality education. So, what kind of experimental environment should be provided for students?
What aspects need to be considered in the construction of biological laboratories?
1. Temperature and humidity
Biological laboratories require suitable temperature and humidity for construction. The indoor microclimate, including temperature, humidity, and airflow velocity, has an impact on the people and equipment working in the laboratory.
The suitable temperature in summer should be 18-28, 16-20 in winter, and the humidity should preferably be between 30% (winter) and 70% (summer). Except for special laboratories, temperature and humidity have little effect on most physical and chemical experiments.
Second, the light source
In order to protect the eyes of teachers and students, the light source should be equipped with LED light protection light source, and the placement position should not be directly directed to the eyes.
3. Water supply and drainage, and sewage discharge
During the construction of biological laboratories, water supply and drainage devices should be provided, and the drainage devices should preferably use polyvinyl chloride pipes, and the interfaces should be welded with welding torches. The chemical laboratory bench may be equipped with water pipes, faucets, sinks, emergency showers, eyewashes, etc., and the wastewater of the general laboratory can be discharged into the urban sewer network without treatment, while the hazardous wastewater of the laboratory must be purified before it can be discharged into the sewer network.
Modern laboratories should build supporting sewage treatment stations, the general laboratory wastewater can be discharged into the sewage treatment station without treatment, the high concentration of acid and alkali wastewater should be neutralized and then discharged into the sewage treatment station, the discharge of such wastewater is recommended to use acid-resistant drainage pipes, directly discharged from the laboratory to the treatment station, the laboratory design for a large number of laboratories using organic solvents should be installed with organic solvent-resistant drainage pipes, for example, cast iron pipes can be used to access the sewage treatment station.
Hazardous wastewater from laboratories must be purified before being discharged into the sewer network. In addition to tap water, it is recommended to install pure water treatment devices to ensure laboratory water, and then install ultrapure water treatment devices at the relevant laboratory pure water terminals to meet the requirements of precision instruments.
Fourth, power supply
Electricity is an important driving force in the laboratory. In order to ensure the normal operation of the laboratory, the quality, safety, reliability and continuity of the power supply must be guaranteed.
General electricity and experimental electricity must be separated; For some precision and valuable instruments and equipment, it is required to provide power supply with stabilized voltage, constant current, stable frequency and anti-interference; If necessary, an uninterrupted power supply system must be established, and a special power supply, such as an uninterruptible power supply, must be equipped.
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