Laboratory is the key to laboratory design, decorate laboratory fume hoods and ventilation system design, we all know, in the process of chemical experiments, often can produce all kinds of unpleasant, corrosive, poisonous and explosive gases. If these harmful gases are not swept outside in time, they will form indoor air pollution and affect the health and safety of the experimenter. The precision and service life of instrument equipment are affected, therefore, the laboratory ventilation is an integral part of the design of the laboratory.
In order to make the laboratory workers do not inhale or pharynx into some unknown toxic and can cause or toxicity of chemicals and organisms, in the laboratory should have excellent ventilation. To block some steam, gas and particles, smoke, soot, dust and gas inhalation suspension body, pollutants must use VOLAB Shanghai laboratory fume hoods and ventilation hood, some way to remove.
There are two types of ventilation in the chemical laboratory, namely, partial ventilation and ventilation. Part of the exhaust air is immediately after discharge to the nearest in harmful substances, this method can be less airflow discharged a large amount of harmful substances, energy save and good effect, is feasible and economic way to improve the existing laboratory conditions, also may be that the best way to adapt to the new lab ventilation building. In the case of some experiments that cannot be used in partial ventilation, or in partial exhaust air, the whole room is ventilated.
Because the system is bigger, air volume is not easy to balance, although each lab ventilation cabinet is equipped with the regulator, but it is not convenient for use, and is not easy to reach a predetermined role. If system wind pipe damages need to be repaired, then whole system of laboratory ventilated cabinet cannot be used. Therefore, the laboratory of centralized system was chosen, and the decentralized system was changed.
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