Cleaning mode of fan Filter Press Pressure filter equipment needs to be cleaned regularly, for the filter press, because the shape of the filter cake is in a horizontal state, it is more convenient to observe the filter cake when cleaning, so that the corresponding measures can be taken quickly when we find that the filter cake is cracked. The following details are introduced for the cleaning of the wing filter press. Cleaning mode of fan filter press 1, piecewise cleaning We can divide the section of the filter cake formation in the section of the filter press, and wash it in section. Here, we should pay attention to the best use of clear washing liquid, and the washing liquid can pass through a sawtooth overflow weir, so the lotion is sprinkled on the filter cake. If the filter cake must be fully washed, we can appropriately increase the number of scrubbing segments and appropriately increase the amount of water washing, in order to get a better washing effect. 2. Counter current washing method In order to improve the efficiency of cleaning, many times, the box type filter presses are washed by countercurrent washing. If it is divided into three sections, we use fresh washing liquid in the third paragraph, and then the discharge liquid can be used as the second section of the lotion, and then the eluent is used for first sections of lotion, and the final discharge can be used as a mother liquid. Therefore, this way can get a good washing effect, so many users like to do this kind of cleaning. This cleaning method is also especially suitable for those who need to recover valuable mother liquor. In addition, the box filter press filters the filter cloth and the washing liquid after washing can also be used as lotion. Cleaning of bearing and filter plate of fan filter press 1, using imported bearings and filter plates can prolong the time and process of being polluted. The washing and washing of the bearing and filter plate of the box type filter press are carried out, and the metal grid can be placed at the bottom of the container. 2. When the box filter press is being washed, grease or grease can be removed from the oil. At this point, if the bearing is rotated in the oil, it is noted that the rolling surface will be damaged due to foreign bodies and so on. Only by cleaning these tiny foreign matter can we prevent the damage of the bearing. When the oil is cleaned, the bearings must be slowly rotated. The more careful, the better, to avoid carelessness. 3, the usual cleaning agent is neutral non water diesel or kerosene, sometimes used warm alkali liquor as required. No matter which detergent you use, you must always filter it and keep it clean. After cleaning, apply rust preventive s oil or rust preventive grease on the inlet bearing of the pressure filter. Increase the service life of the bearing. Cleaning of filter cake in a wing filter press 1, replace washing, wash the surface of the cake with washing liquid, then wash the liquid through the filter cake for replacement and mass transfer. 2, rechemical paddle washing, when the replacement washing method is invalid, the filter cake is then converted into slurry with fresh washing liquid, and the filtration is carried out again. This process can be repeated many times, which is called the rechemical washing. 3. When the filter cake is washed, the filter cake is pulp like, for example, in the concentrated filter, the first time to remove the mother liquid is diluted with lotion, then the filter is then concentrated, and then the dilution - concentration - then dilution - reconcentration, until the washing requirement is called the step by - step dilution washing method.
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