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How to choose materials for laboratory fume hoods and exhaust hoods
Date: 2025-03-12Read: 8
When selecting materials for laboratory fume hoods and exhaust hoods, multiple factors need to be considered comprehensively to ensure experimental safety, effectiveness, and compliance with laboratory environmental requirements. Here are some key points:
1. Experimental requirements:
Determine the specific requirements of the laboratory, including the type of experiment, the properties of the required chemicals, and the intensity of the experiment.
Select fume hoods with corresponding functions according to experimental requirements, for example, fume hoods for handling volatile drugs need to have exhaust function.
2. Material selection:
All steel fume hood:Suitable for the storage, use, processing, and pharmaceutical preparation of chemical reagents in chemical experiments and production processes, with good corrosion resistance and stability.
Stainless steel fume hood:Suitable for laboratories with high hygiene requirements, such as food, medical and other industries, with a smooth and easy to clean surface.
Fiberglass fume hood:Suitable for laboratories in chemical, pharmaceutical and other fields, it has the characteristics of light weight, corrosion resistance, acid and alkali resistance.
PP fume hood:Suitable for laboratories with high cleanliness requirements in biology, pharmaceuticals, electronics, etc., non-toxic, harmless, environmentally friendly, and aesthetically pleasing.
All wood fume hood:Suitable for laboratories with low requirements for chemical corrosion, but attention should be paid to the anti-corrosion treatment of wood.
3. Structure and Design:
Loading:Choose the appropriate control system (such as adaptive, variable air volume, or constant air volume) and lining material (such as epoxy resin board or anti Betty board) to ensure that the wind speed meets safety requirements.
Tabletop:Choose materials that are corrosion-resistant, high temperature resistant, and easy to clean, such as solid core physical and chemical boards, epoxy resin boards, or ceramic boards, and consider whether there are drainage channels and cup placement slots.
Accessory parts:Consider the durability, voltage level, model, and explosion-proof performance of electrical equipment, as well as whether cabinet doors are required.
4. Safety performance:
Ensure the airtightness and corrosion resistance of the fume hood, equipped with an efficient filtration system to remove harmful gases and particles from the air.
Consider the fire resistance of the fume hood and choose fire-resistant materials to improve safety.
5. Maintenance and Cleaning:
Choose materials and designs that are easy to clean and maintain to extend the lifespan of the fume hood and maintain the cleanliness of the laboratory.
6. Spatial adaptability:
Consider whether the opening position and size of the fume hood are suitable for the laboratory space, ensuring easy operation and not affecting other functions of the laboratory.
In summary, when selecting materials for laboratory fume hoods and exhaust hoods, comprehensive consideration should be given to multiple aspects such as experimental requirements, material characteristics, structural design, and safety performance to ensure the safety, effectiveness, and efficiency of the experiment.