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    多介质过滤器的使用注意事项!
    来源:http://www.jnlzsb.com 发布时间:2021-09-22

    1.滤料必须符合标准。滤料通常由石英砂或活性炭制成,应对滤料在酸性,碱性和中性溶液中的化学稳定性进行测试。浸泡24小时后,应将其装满。应符合严格的标准例如,总固体含量的增加不应超过20mg/L,氧气消耗量的增加不应超过10mg/L。
    1. The filter material must meet the standard. The filter material is usually made of quartz sand or activated carbon. The chemical stability of the filter material in acidic, alkaline and neutral solutions shall be tested. After soaking for 24 hours, it shall be filled. Strict standards shall be met. For example, the increase of total solid content shall not exceed 20mg / L and the increase of oxygen consumption shall not exceed 10mg / L.
    2、过滤器在装料后应按流速5-8米/小时观察出入口压差,滤料在装入设备之前一定要仔细的检查清洗,水流是由下往上冲洗的,脏水应由上部排污口排出。
    2. After the filter is loaded, the inlet and outlet pressure difference shall be observed according to the flow rate of 5-8m / h. the filter material must be carefully checked and cleaned before loading into the equipment. The water flow is washed from bottom to top, and the dirty water shall be discharged from the upper sewage outlet.
    3、转料冲洗要使出水澄清,这样才能投入运行,同时还要观察出水是否澄清,如果是澄清的水即可以作为正常的出水,每个小时要观察一次出水,如果发现水质达不到要求,需要立即停止,进行反洗。
    3. The effluent of material transfer flushing shall be clarified so that it can be put into operation. At the same time, it shall be observed whether the effluent is clarified. If it is clarified, it can be used as normal effluent. The effluent shall be observed once every hour. If it is found that the water quality does not meet the requirements, it shall be stopped immediately and backwashed.
    4、反洗的时候先要关闭进水闸,打开排污闸,将水面降至视镜管的地位,这时关闭排污闸,打开压缩空气闸及排空闸,将空气压缩至底部,将滤层松动3-5分钟,气体从排空阀排出。然后再慢慢打开反洗进水闸,水将从底部流入,直到空气闸向外溢水时,立刻关闭空气闸,打开排污闸,水在上部排出,流量逐渐增加,保证一定的反洗度。
    4. During backwashing, first close the water inlet gate and open the blowdown gate to lower the water surface to the position of the mirror tube. At this time, close the blowdown gate, open the compressed air gate and emptying gate, compress the air to the bottom, loosen the filter layer for 3-5 minutes, and discharge the gas from the emptying valve. Then slowly open the backwash inlet gate, and the water will flow in from the bottom until the air gate overflows. Immediately close the air gate and open the blowdown gate. The water will be discharged from the upper part, and the flow will gradually increase to ensure a certain backwash degree.
    5.清洗时,必须首先打开进水和排水门。水从上到下冲洗。清洗流速为每小时5米,清洗时间为5-10分钟。如果出水为透明,则把排污闸关闭,打开出水闸门开始正常运行。
    5. When cleaning, the water inlet and drain valves must be opened first. Wash with water from top to bottom. The cleaning flow rate is 5 meters per hour and the cleaning time is 5-10 minutes. If the outlet water is transparent, close the blowdown gate and open the outlet gate to start normal operation.
    6.如果有沙子在流动,则在反洗过程中不应有沙子在流动。如果即使在反冲洗时间超过规定值后仍看不清水,则对设备进行大修
    6. If there is sand flowing, there should be no sand flowing during backwashing. If clean water cannot be seen even after the backwashing time exceeds the specified value, overhaul the equipment

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