发明名称 Filter for filtering dirty liquids, e.g. emulsions of lubricant and coolants from machine tools or oils, comprises first filter sub-assembly containing tube of fritted material
摘要 A first filter sub-assembly (23, 24, 25, 26) contains at least one tube of fritted material with a certain permeability. The dirty liquid is fed into the tube under pressure so the filtered liquid exits from the periphery of the tube into a clean reservoir (19). A second filter sub-assembly (43) such as a band filter receives at least part of the concentrated dirty liquid. The second sub-assembly is connected to a collecting reservoir (20) which contains the dirty liquid, and the liquid cleaned by this sub-assembly feeds into the clean reservoir. An accumulator (3) of liquid under pressure is connected to the filtered liquid side of the filter element and to clean the filter gives it short pushes of pressure on the clean side. The installation contains two filter elements in series which are two second sub-assemblies in parallel which receive pressure shocks alternately. A pressure pump generates the liquid pressure in the installation. Each filter element contains several tubes mounted in a common reservoir resistant to the pressure. The reservoir has an inlet for the dirty liquid (27-30), an outlet for the concentrated dirty liquid (31-34) and another outlet for the filtered liquid (35-38). An Independent claim is included for a filter process using the above installation, where the dirty liquid is filtered under pressure through filter elements comprising fritted tubes and the concentrated dirty liquid is then passed through a band filter.
申请公布号 FR2831076(A1) 申请公布日期 2003.04.25
申请号 FR20020013297 申请日期 2002.10.24
申请人 FILTERWERK MANN+HUMMEL GMBH 发明人 REYNDERS LUC;COENRGRACHTS OGER
分类号 B01D29/35;B01D36/02;B23Q11/10;(IPC1-7):B01D29/56;B01D33/044 主分类号 B01D29/35
代理机构 代理人
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