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TF-886紫外线杀菌机 - 上海拓丰仪器科技有限公司

TF-886紫外线杀菌机

本设备的工作原理是:紫外线杀菌波段主要介于 200~300nm 之间,其中以 253.7nm 波长的杀菌能力最强。当水或空气中的各种细菌病毒经过紫外线(253.7nm 波长)照射区域时,紫外线穿透微生物的细胞膜和细胞核,破坏核酸(DNA 或 RNA)分子键,使其失去复制能力或失去活性而死亡,从而在不使用任何化学药物的情况下杀灭 所有的细菌病毒。

本设备的工作原理是:紫外线杀菌波段主要介于 200~300nm 之间,其中以 253.7nm 波长的杀菌能力最强。当水或空气中的各种细菌病毒经过紫外线(253.7nm 波长)照射区域时,紫外线穿透微生物的细胞膜和细胞核,破坏核酸(DNA 或 RNA)分子键,使其失去复制能力或失去活性而死亡,从而在不使用任何化学药物的情况下杀灭 所有的细菌病毒。杀菌灯不需要转化为可见光,100-200nm 的波长就能起到很好的杀菌作用,这是因为细胞对光波的吸收谱线有一个规律,在 100-200nm 的紫外线有最大的吸收,被吸收的紫外线实际上作用于细胞遗传物质即 DNA,它起到一种光化作用,紫外光子的能量被 DNA 中的碱基对吸收,引起遗传物质发生变异,使细菌当即死亡或不能繁殖后代,达到杀菌的目的。杀菌效率紫外消毒技术具有其它技术无可比拟的杀菌效率。杀菌效率 可达 99%-99.9%。紫外技术 对常见几种细菌病毒的杀菌时间一般只需1秒以内。而传统氯气、臭氧等化学消毒方法要达到紫外线的杀菌效果一般需要20分钟至1小时的时间。
使用特点及范围:紫外线杀菌器具有水流均匀、无死角、光射条件好、杀菌彻底、能耗低、安装灵活方便等特点,主体材质采用不锈钢,无金属离子侵染问题,产品结构为密闭容器石英套管式,内设电气控制装置。其中关键的紫外线灯管理论寿命长达 10000 小时,达到国际先进水平。产品外型美观大方、结构紧凑、操作维修方便,广泛适用于工矿企业、居民生活、饭店宾馆、机关学校;野战部队、食品加工、医药行业、高纯水制备、公共场所或直接供饮用的休闲旅业及水中不允许留有余氯的饮料或其它行业。

紫外线消毒技术的优势:

紫外线 消毒技术对细菌病毒以及其它致病体的消毒效果已得到全世界公认,它具有其它技术无可比拟的杀菌效率。紫外线对细菌、病毒的杀菌作用一般在一秒以内。而对传统氯气和臭氧方法来说,达到紫外线的杀菌效果一般要 20 至 50 分钟的时间。它具有高效杀菌广谱性、无二次污染,设计安全合理,运行安全、可靠。运行维护简单,费用低。本设备占地小,无噪音。连续大量杀菌。应用领域广等等很多优势。

注意防护

紫外线对细菌有强大的杀伤力,对人体同样有一定的伤害,人体最易受伤的部位是眼睛之眼角膜,因此在任何时候都不可用眼睛直视点亮着的灯管,以免受伤,万一必须要看时,应用普通玻璃(戴眼镜) 或透光塑胶片,作为防护面罩。千万勿错用石英玻璃,因为普通玻璃对紫外线几乎完全无法透过的。一旦受伤,不必惊慌,面部灼伤,几天后表皮脱落,不治而愈。眼睛受伤会红肿、流泪、刺痛,约三、四天才能痊愈。不论如何,一遇到伤害,仍然建议立即就医求诊。

紫外线杀菌机的维护、保养:

1 定期检查,确保紫外灯的正常运行。
2、连续使用 9000 小时或者一年之后,应更换紫外线灯管。更换新的灯管时,先将灯管电源插座拔掉,拿出紫外线灯管。注意勿以手指触及新灯管的石英玻璃,因为污点会影响灯光强弱,同时小心地将灯管放入杀菌机内腔。

满足标准:
项目 指标 检验方法 菌落总数,CFU/g≦1000 GB4789.2 大肠菌群,MPN/100g≦40 GB 4789.3 致病菌(沙门氏菌、志贺氏菌、金黄色葡萄球菌)不得检出 GB 4789.4 GB 4789.5 GB 4789.10

二、设备主体尺寸
1.设备全长:2000 mm
2.杀菌区域:1200 mm
3.产品进料口区域:400 mm 产品出料口区域:400 mm
4.出入口高度:200 mm (可调节)
5.出入口网带宽度:500 mm
6.输送网带距地面高度:750±20mm