How to maintain and replace the purification column of the laboratory ultrapure water machine-Ocpuri

How to maintain and replace the purification column of the laboratory ultrapure water machine?

by:Ocpuritech     2021-04-30
Laboratory ultra-pure water purification column maintenance and replacement procedures writer:? Laboratory ultrapure water machine laboratory is an important water supply systems, improve testing and analysis of water quality has become a key condition to determine the experimental results. This experiment is not done every day, so if we do not use water for a long time to save costs, we will stop it, then how can we maintain the purification column and replacement procedures of the laboratory ultrapure water machine? The laboratory ultrapure water machine shuts down The protection operation is to ensure that the performance of the consumables is not affected, and the water quality is still in the standard state when the machine is turned on again. Because the packing in the purification column of the laboratory ultrapure water machine is resin, in order to ensure the performance, it should be ensured that it is always in a semi-hydrated state. If it is dehydrated, the exchange capacity will be greatly reduced, so the laboratory ultrapure water machine If the shutdown time is long, the water in the purification column should be replaced every three days, because if the water is not changed for 20 consecutive days, the resin will undergo oxidation reaction and gradually release impurities. At this time, the resin can only be taken out. Do the new resin pretreatment again. It should be noted that the laboratory ultrapure water machine should not be placed in an environment of 0 degrees Celsius, because too low temperature will cause icing, which will also affect the resin exchange effect. The reason why the laboratory ultrapure water machine does not produce water is an important condition that determines the performance of the system, so these are all we need to pay special attention to. The pure water column replacement steps of the laboratory ultrapure water machine: 1. To replace the laboratory ultrapure water treatment equipment, first close the water inlet valve and close the ball valve of the water storage bucket, and then all the water sources stored in the laboratory ultrapure water treatment equipment Discharge, turn off the power after confirming that all flows out, and disconnect the power cord. 2. Turn on the main unit of the laboratory ultrapure water treatment equipment, remove the water inlet and outlet PE pipes of the pure water column, remove the pure water column, and place the prepared new pure water column of the same specification on the fixed card position and connect it. Make sure that the pure water column has been fixed in the water inlet and outlet pipes. 3. After replacing the consumables of the laboratory ultrapure water treatment equipment, wipe off the overflowing water from the ultrapure water machine, open the tap water inlet valve, and plug in the power source. 4. Start correctly and run for five minutes. After the ultrapure water treatment equipment in the laboratory has entered the normal state of water production, observe whether the system is leaking. If there is no leakage, open the constant pressure water storage bucket ball valve to complete the reinstallation. operation. The above content is the correct replacement procedure for the pure water column of the laboratory ultrapure water treatment equipment. In addition, users should accurately grasp the replacement cycle of all levels of consumables, and pay attention to changes in operating parameters at any time, and replace expired consumables in time.
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