Titanium filter operate a certain period, possibly due to the filter element blocked, resulting in reduced pressure flow. it need to kick or backwashing and regeneration. Pressure and flow regeneration cycle as rated by. after using for a period of time, it will have a certain degree of blockage, performance of flow reduction, filter tip pressure increased, such as the following: from 0.22MPa up to 0.3MPa above, then we must clean the filter, cleaning method generally have the following:
For the new use of titanium filter, commonly used water recoil, method of gas blow back to cleaning, that is slightly greater than the pressure of work (such as: 0.3MPa) water injection cleaning reverse direction. Time is about 1-3 minutes. For many times after backwashing filter, time effect is not apparent rebound, hydrochloric acid solution can be less than 5%, or 8% of the sulfuric acid solution, or 10% of the NaOH solution at room temperature, and then washed with water.
The acid cleaning and alkali cleaning methods can be used alone, also can cooperate with each other alternately. If the conditions, can be combined with ultrasonic cleaning machine is best.
Note: titanium filter must often online cleaning wash, and can reduce the frequency of cleaning by above method, increase the service life of the filter element titanium rod
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