What is the Use of Fume Cupboard in Chemistry Laboratory ?

Fume Cupboard in Chemistry Laboratory is a safety equipment in chemistry laboratory. It will protect laboratory persons from exposure to hazardous fumes, vapors, gases, or dust generated during chemical experiments

 Fume Cupboard in Chemistry Laboratory mani Uses :

Ventilation makes Hazardous Fume Removal – It draws harmful airborne substances away from the laboratory and expels them outside or filters them before recirculating the air.
rotection from Toxic Chemicals – When working with volatile, corrosive, or toxic substances, the fume hood make them to out of room.
Preventing Explosions & Fire Hazards – By removing flammable vapors, it reduces the risk of fire or explosions.
containment of Spills & Reactions – In case of accidental spills or unexpected reactions, the enclosed space helps contain the hazard.
dust & Particulate Control – Useful when handling fine powders or aerosols that could be harmful if inhaled.

  Fume Cupboard in Chemistry Laboratory materiasls are below :

PP fume hood: Made of polypropylene, it has excellent corrosion resistance and is suitable for handling highly corrosive substances.

Full Steel fume hood: Made of China brand cold rolled steel coating epoxy resin power for high temperature, it is suitable for general chemical experiments.

Stainless steel fume hood: Made of China brand SUS 304Stainles steel panel . Strong corrosion resistance, suitable for laboratories with high hygiene requirements.

FRP fume hood : FRP fume hood: Made of FRP material, it has strong corrosion resistance and is suitable for laboratories with strong chemical corrosiveness.

Fume Cupboard in Chemistry Laboratory technical parameters:

Fume Cupboard in Chemistry Laboratory working principle :

The fume hood working principle is to create negative pressure in the inner cavity of the fume hood through an exhaust fan, thereby drawing harmful gases or smoke into the exhaust pipe and discharging them outdoors. The following is the correct usage method of a fume hood :

1. Pre-operation inspection: Before using the fume hood, it is necessary to first check whether the power switch and the fluorescent lamp switch are turned on, and whether the fume hood is in the exhaust state.
 

2.The correct operation mode: The fully open state of the glass window is only allowed when assembling, debugging the internal instruments and equipment or cleaning the space inside the cabinet.

3.Open the glass window to the user's elbow (half open), allowing the operator to reach into the cabinet to conduct experiments. Adjust the door to the minimum opening, and the operator leaves to allow the experimental program inside the cabinet to react automatically or pause the experiment.
 

4.The correct placement of equipment and materials: When equipment or instruments are placed inside the cabinet, their placement position will affect the airflow pattern inside the fume hood.
 

5.The position and movement of the operator: The operator of the fume hood should always pay attention to the relative position between themselves and the fume hood. When pollutants start to form inside the fume hood, the operator must approach or leave the fume hood slowly.
 

6.The correct positions for vertical and horizontal sliding doors: Unless necessary, vertical sliding doors should always be placed at the lowest position. Lower the regulating door below the breathing zone of the operator.

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