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防腐透风系列

透风体系

    实行室内重复存在很多倒运于人体康健的化学物质污染源,格外是有害气体,将其扫除十分告急。但与此同时,动力重复会被大批的斲丧,因此实行室的透风控制体系的要求渐高,从早期CAV(定风量控制),2-State(双稳态控制),VAV(变风量控制)体系,到最新的UBC(自顺应性控制)系同逐一既安全,又切合节活动力的需要。
    总之,实行室的最新见地便是将整个实行室当作是一台排风柜,怎样有效的控制种种进排气,抵达既安全又经济的结果是至关告急的。实行室常用排风配置紧张有:透风柜、原子吸取罩、万向排气罩、吸顶式排气口、台上式排气口等。此中透风柜最为有数。
Laboratory often exists chemicals pollution sources conducive to human health, especially harmful gases, to exclude it is very important. At the same time, energy will be largely consumpted, and thus the requirements of the laboratory's ventilation control system gradually increases, from the early CAV (constant air volume control), 2-State (bistable control), VAV (variable air volume control) system to the latest UBC (adaptive control) system, safe, and consistent with the need for energy conservation.
In short, the latest concept of the laboratory is to regard laboratory as a fume hood, how to effectively control a variety of intake and exhaust, is essential to achieve safe and economical effects. Laboratory ventilation equipment: fume hoods, atomic absorption cover, universal exhaust hood, ceiling exhaust port stage exhaust port. The fume hood is the most common.

VAV体系 VAV system

    VAV变风量控制体系是依据调理门差异之开度,来决议差异的排宇量,以维持一壮实的外貌平均风速设计基准,变风量透风控制体系可以提供较佳的捕捉率及节能要求,此体系亦可由调停补偿气氛的要领来达成所需之室内压力,在正常排宇量外形时只需要最小之透风及温度控制量,当排宇量增永劫可由增出息宇量予以平衡。
    其益处是:能最大水平节流风机运转能耗,淘汰动力斲丧及运转资源;维持坚定的面风速,包管实行职员的安全;机动性好,易于改、扩建,增减配置。
    其缺陷是:初期配置资源昂贵,前期维护资源较高。
VAV control system: according to the regulation for the gate opening to determine the displacement in order to maintain a fixed average surface wind speed design basis, variable air volume ventilation control system can provide a better capture rate and energy-saving requirements, this systemor the way of the air by adjusting the compensation to achieve the required pressure in the chamber, only need a minimum of ventilation and tempera-ture control in the normal displacement situation, when the displacement is increased by the increase in feed rate to be balanced.
[ts advantages are: the fan energy consumption of the greatest degree of conservation, reduce energy consumption and operating costs; to maintain the stability of surface wind speed to protect the safety of laboratory personnel; good flexibility, easy to change, expansion, changes in equipment.
The disadvantages are: the initial construction cost is expensive, high maintenance cost.
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