US 6,149,824 A · Continuous filtration system using single pump, venturi, and flow control valve

Abstract

This invention is directed to filtration systems comprising a venturi, flow control valves, filter and pump. In one specific embodiment the flow control valve and venturi are combined hereinafter known as a CHUF. The CHUF may also contain concentrate release, and temperature, flow and two pressure sensors into a single structure. A continuous filtration system for liquid or gas applications is constructed by plumbing a CHUF to a pump and filter. The CHUF is constructed of plastic, stainless steel or other materials. Different plumbing to the CHUF positions the filter in either series, parallel, or series and parallel with a venturi and flow control valve resulting in different pressures and flows at the filter. A single flow control valve simultaneously controls inflow and outflow of the filtration system. Additional flow control valves are used in a process to control pressure independent of flow at the filter.

Claims8

Dependent claims

Apparatus for continuously separating feedstock fluid mixture into purified fluid mixture and residual fluid mixture, said apparatus assembled so that said residual fluid mixture is recirculated within two recirculating loops with common, single means to mix together and recirculate said fluid residual mixture within said recirculating loops, said first recirculating loop comprising:

a. means to separate and remove said purified fluid mixture from said residual fluid mixture;
b. means to remove a portion of said residual fluid mixture from said first recirculating loop, said means to remove located downstream from said means to separate;
c. means to control pressure of said residual fluid in first recirculating loop, and flow of said residual fluid mixture in second recirculating loop, said means to control pressure and flow located downstream from said means to separate;
said second recirculating loop comprising:
d. means to suck (pull) said feedstock fluid mixture into said separating means, so that said feedstock fluid mixture becomes mixed with part of said residual fluid mixture, the force of said means to suck controlled by flow of said residual fluid mixture within said second recirculating loop.

2 more elements

Dependencies are inferred from the claim text.

Continuous filtration system using single pump, venturi, and flow control valve

Life of this patent

Continuous filtration system using single pump, venturi, and flow control valve

Life of this patent

Abstract

Claims8