Industrial food ultrapure water equipment start and stop what matters need to pay attention to-Ocpur

Industrial food ultrapure water equipment start and stop what matters need to pay attention to?

by:Ocpuritech     2020-07-13
Industrial food ultrapure water equipment start and stop what matters need to pay attention to? Parts in China, drinking water containing fluorine, arsenic and other harmful elements, attaches great importance to the country, however, China's geographical environment and other factors. For perennial drought less rain, lack of water resources, and existing water quality is poorer regions, can only take the filtered water purification treatment, make the processed water conforms to the provisions of the state of the living standards of industrial water. In the use of industrial food ultrapure water equipment for a period of time after the start and stop? Reverse osmosis membrane system stops of note: 1, first of all need to clean them on the membrane of the whole system, the pretreatment of available water or water production of low pressure flush, used to remove the membrane surface pollution water and prevent the precipitation of impurities. 2, remember don't join in the low pressure irrigation scale inhibitors, and other agents. If use the pretreatment of the flushing water, then add the reducing agent and flocculant. 3, to prevent back pressure, should first open the water drain valve. 4, membrane system stops should maintain the flow and pressure slow down, watch the water flow rate and pressure difference during fall, keep the equipment into the water flow rate is less than the reverse osmosis membrane maximum water flow rate and pressure difference is lower than the maximum value. Industrial food ultrapure water equipment membrane system outage steps: at first, we need to open the water drain valve production, through the high pressure pump on the side of the control valve to reduce the water flow, and then slowly open the water valve, the pressure will slow down to 30 - Around 40 psi, close the dosing device at the same time, increase traffic can make flushing effect better. Here need to pay attention to the value of water discharge and differential pressure container, shall not exceed the maximum water flow of reverse osmosis membrane and container differential pressure limit value. Low pressure flush time control in 20 minutes or so until thick water conductivity and the water conductivity. Another Plc to start the equipment stop to realize automatic control, but must check the running status of electric equipment can ensure its normal operation.
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