The important step of filtering water quality is to remove some suspended solids in water. Only by choosing suitable filter material can a good effect be achieved. Now Shandong Multimedia Filter Factory will introduce to you which filter material of Multimedia Filter can effectively remove suspended solids. I hope that you like it!
It is well known that water containing suspended particles is fully mixed with flocculants, so that the electric double layer formed colloidal particles in water is compressed. When the colloidal particles flow through the filter material layer of the multi-media filter, the filter material gap plays a sieving role on the suspended matter, which makes the suspended matter easily adsorbed on the surface of the filter material. When a certain amount of dirt is intercepted on the surface of the filter material to form a filter membrane, the pressure difference between the front and back of the filter will increase over time until it fails.
At this time, it is necessary to use reverse flow backwashing filter material to make the suspension of quartz sand and anthracite loose in the filter, so that the interceptor adhering to the surface of quartz sand and anthracite can be peeled off and taken away by water flow to restore the filtering function. The double-layer filter material used in this project is to place lighter large granular anthracite on the top of the filter layer and large proportion of small granular quartz sand on the bottom. This can give full play to the efficiency of the whole filter layer and improve the ability of pollution interception.
Anthracite filter material is made of high-quality raw coal, which is selected, crushed and screened twice. It has a glossy appearance, high mechanical strength, good compressive performance, stable chemical performance, no toxic substances, wear resistance, insoluble in acidic, neutral and alkaline water, and rough surface of anthracite particles. Good adsorption capacity, high porosity (> 52%) and high contamination capacity. Because of light weight, backwashing intensity is low, which can save a lot of backwashing water and electricity.
无烟煤滤料是特别从深井矿物中精选的，具有高的含碳量百分比。 水滤料采用人工分类，可减少无关矿物质并降低灰分含量。 水滤料还经过过滤和冲洗，确保其适合水过滤之用。 由于具有较好的固体颗粒保持能力，因此无烟煤能够可靠地提高悬浮颗粒清除能力。 此外，它的均匀系数较低，有助于加快流速，
Anthracite filter material is specially selected from deep well minerals with high carbon content. Artificial classification of water filter materials can reduce irrelevant minerals and ash content. Water filters are also filtered and rinsed to ensure that they are suitable for water filtration. Anthracite can reliably improve the removal ability of suspended particles because of its good solid particle retention ability. In addition, its uniformity coefficient is low, which helps to accelerate the flow rate.
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