Filtration system
阅读：923发布：2023-09-12
专利汇可以提供Filtration system专利检索，专利查询，专利分析的服务。并且For use in filtering a fluid which is susceptible to light and heavy solids and other materials suspended in the liquid, a filtration system which removes the heavier and lighter suspended particles through settling and skimming whereupon the suction of a downstream pump draws the liquid through the filter apparatus, the filter apparatus functioning after removal of the heavier and lighter contaminants which typically clog filter media, all the apparatus included in an open tank.，下面是Filtration system专利的具体信息内容。
1. Liquid-filtering apparatus adapted for filtering liquids removing impurities of greater and lesser density therefrom and comprising: an open vessel having upright sides and a closed bottom and adapted for receiving liquids; a filtered effluent header cooperatively arranged in said vessel above said vessel bottom and having at least one opening therein; diatomaceous filtering means including at least one diatomaceous filtering element arranged in a generally upright position within said vessel and having an outlet fluidly coupled to said header opening for conducting liquids strained through said filtering element into said header, and means adapted for selectively coating said filtering element with a diatomaceous filtering agent; a liquid pump having a discharge line and a suction line fluidly coupled to said header and adapted for drawing liquids through said filtering element into said header and suction line for delivery by said discharge line at an elevated pressure; liquid supply means adapted for supplying unfiltered liquids to said vessel in sufficient quantity to fill said vessel to a level above said filtering element and including a liquid inlet, and means cooperatively associated with said vessel for defining an open liquid retention well between said filtering element and said liquid inlet for quieting unfiltered liquids entering said retention well before such liquids are drawn through said filtering element; and impurity separating means on said vessel adapted for separaTing from such supplied liquids impurities carried thereby having densities different than such liquids and including a sediment collection basin in the bottom of said retention well adapted for collecting sediments falling to the bottom of said retention well as liquids pass through said retention well to said filtering element, a sediment withdrawal conduit cooperatively arranged in said sediment collection basin and extended out of said retention well, an air inspirator exterior of said retention well fluidly coupled to said pump discharge line and adapted for drawing air into liquids supplied to said air inspirator by said liquid pump, and a conduit coupled to the outlet of said air inspirator and terminated in said sediment withdrawal conduit adjacent to said sediment collection basin for delivering air-bearing liquid into said sediment withdrawal conduit whereby the hydrostatic head of liquids in said retention well will discharge sediment-bearing liquids through said sediment withdrawal conduit to the exterior of said retention well upon operation of said liquid pump.
2. The filtering apparatus of claim 1 wherein said impurity separating means further include a collection tank adjacent to said retention well, and weir means cooperatively arranged between said collection tank and said retention well for drawing impurities floating on the surface of liquids in said retention well into said collection tank.
3. The filtering apparatus of claim 2 wherein said weir means include a weir member, means supporting said weir member for movement between vertically spaced positions, and a liquid float coupled to said weir member and adapted for locating said weir member at its said spaced positions in accordance with the level of liquids in said collection tank.
4. The filtering apparatus of claim 1 further including chemical supply means adapted for supplying chemicals to unfiltered liquids entering said retention well, said chemical supply means including a chemical-holding tank mounted above said liquid inlet, an upright tubular shaft rotatably journaled in said holding tank and extended downwardly into said liquid inlet and adapted for carrying chemicals from said holding tank into said liquid inlet, an impeller mounted on the upper portion of said shaft within said holding tank, and a water supply line coupled to said pump discharge line and cooperatively terminated adjacent to said impeller for rotatably driving said impeller and said shaft as chemicals are discharged from said holding tank into said tubular shaft for delivery to said liquid inlet.
5. The filtering apparatus of claim 4 wherein said impurity separating means include a collection tank adjacent to said retention well, and weir means cooperatively arranged between said collection tank and said retention well for drawing impurities floating on the surface of liquids in said retention well into said collection tank.
6. The filtering apparatus of claim 5 wherein said weir means include a weir member, means supporting said weir member for movement between vertically spaced positions, and a liquid float coupled to said weir member and adapted for locating said weir member at its said spaced positions in accordance with the level of liquids in said collection tank.
7. The filtering apparatus of claim 5 further including valve means fluidly coupled to said liquid inlet, and liquid level control means cooperatively coupled to said valve means for operating said valve means in accordance with the level of liquids in said retention well for controlling the entrance of liquids into said liquid inlet.
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