High volume liquid waste collection and disposal system

  • US RE44,920 E1
  • Filed: 02/21/2013
  • Issued: 06/03/2014
  • Est. Priority Date: 03/04/2002
  • Status: Active Grant
First Claim
Patent Images

1. A station for treating waste fluid including:

  • a) a housing;

    b) a bowl reservoir positioned within said housing and adapted to receive the waste fluid from a source and communicate with a drain system;

    c) a mixing pump having an inlet and an outlet in communication with the bowl reservoir so that waste fluid therein is circulated;

    d) a pH sensor in communication with the bowl reservoir so that a pH level of the circulating waste fluid may be detected;

    e) a container holding a supply of buffer;

    f) a pH controller in circuit between the buffer container and the bowl reservoir so that said pH controller controls the delivery of buffer to the circulating waste fluid;

    g) said pH controller communicating with the pH sensor so that said pH controller delivers buffer to the circulating waste fluid when the pH sensor detects that the pH level of the circulating waste fluid is above a predetermined pH level;

    h) a wash head positioned in the bowl reservoir;

    i) a dispenser containing a disinfectant;

    j) a flushing pump having an inlet in communication with a the disinfectant dispenser and an outlet in communication with the wash head so that when said flushing pump is activated, disinfectant is delivered to the contents of the bowl reservoir;

    k) a transfer pump having an inlet in communication with a transfer connector and an outlet in communication with the bowl reservoir, said transfer connector adapted to communicate with the waste fluid source so that when said transfer pump is activated, waste fluid is transferred from the waste fluid source to the bowl reservoir; and

    l) a microprocessor in communication with the pH sensor and in communication with and controlling the pH controller, mixing pump, flushing pump and transfer pump.

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