In filtrate quality according to removal of mn , fe and turbidity , darkened sand exceeded quartz sand a little . 24 inspected quality indexes of the filtrate from filtration with the media met the standards for drinking water ( gb5749 - 85 ) , indicating that the darkened quartz sand could be continuously used as filter media 在长期运行中,黑化砂去除待滤水水中浊度,铁、锰的效果略优于石英砂,检测的24项指标都达到《生活饮用水卫生标准gb5749 - 85 》要求,表明黑化砂对过滤的出水水质无不良影响,可以在生产中继续使用
Degassed furnace , sealing furnace , stabilizing oven , mask annealing lehr , blackening furnace , bulb roaster , primary annealing lehr for colour tube funnel , secondary annealing lehr for colour tube funnel , annealing lehr of single - press , annealing lehr of double - press , funnel annealing lehr , colour tube panel annealing lehr , tube - neck sealing and annealing lehr , cut - off machine , necking machine , funnel - loader , lehr preheating unit , neck - loader , funnel auto - pickup , auto - pickup conveyor , funnel auto - loader , neck seal loader , neck - delivery conveyor , rough grinder , fine grinder , fine - polish grinder , panel pickup , button sealing machine , pin sealing machine , funnel annealer loader 彩管、彩玻设备系列：排气炉、封接炉、稳定炉、荫罩退火炉、黑化炉、焙烧炉、彩色玻锥一次退火炉、彩色玻锥二次退火炉、双压机退火炉、单压机退火炉、彩色玻屏退火炉、管颈封接退火炉、割头机、接颈机、锥装载装置、退火炉预热装置、管颈装载机、屏自动取出装置、自动取出传送带、锥自动装载机、管颈封接装载机、管颈供给传送带、粗研磨机、细研磨机、精抛光研磨机、取屏机、阳极帽封接机、销钉封接机、锥退火炉装载机。
