Is it necessary to install the front of the water purifier? 5 It's necessary.The main function of the pre-filter of the water purifier is to pre-intercept the particles such as sand and stone with relatively large particle size in tap water, so that the filter element of the water purifier or direct drinking machine behind is not easy to block and increase the service life of the filter element, it also increases machine life.The front filter is divided into two types. The simple one is the initial filtration device of offset cotton. The cost is low, the price is cheap, and the general random device is given. The other is the wire mesh filtration device, which ranges from several hundred yuan to several thousand yuan. generally, several hundred yuan of products can already meet the needs of ordinary families. The front is used to improve the water consumption of your home, which can make your home's water consumption reach a standard of domestic water consumption before the tap water comes out. it is recomm

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What is the principle of laminated filter? What can be recommended for the internal stacking of the laminated filter? And what is the precision range? Thank you. Hello! The stacked filter is also called a disc filter, and the body of a stacked filter is composed of a single or multiple unit heads, plus pipe and valve control, etc. Each unit head is equipped with a stack, and a certain number of stacks are fixed and locked on the fixed rod of the unit head, forming an independent filter unit head. The overlay is tightly pressed by superposition, and the grain lines overlap each other to form a filtering channel. the filtering accuracy is determined by the size of the filter slot and the number of intersections. this is the filtering principle of the overlay.It is clear from the following picture that there are two operating states for the overlay filter: filter status and backwashing status. In the filtration state, the raw water passes through the disk from the outside, and the filter disk is tightly press