Hose handling system and methods of use

摘要

Embodiments of the present invention include a hose handling system having a hose guide plumbed via a wash line to a fluid delivery device. The hose guide includes a pulley installed on a frame member, and a spray nozzle adapted to dispense a wash mixture. The hose guide is adapted to guide a hose as the hose is inserted into or withdrawn from a manhole, with the hose traversing the pulley. The wash mixture can be delivered through a wash line to the hose guide, which sprays the wash mixture on the hose in order to reduce or eliminate gross contamination or microbial contamination on the hose. The wash mixture typically, but not necessarily, has a freezing point below 32 F and includes: a quaternary ammonium compound, an alcohol or glycol, an alcohol ethoxylate, and a fragrance.

主权项

1. A method of using a hose handling system comprising:
providing a hose handling system, the hose handling system including:
a hose guide comprising:
a rigid frame;a pulley coupled to the frame;a nozzle coupled to the frame next to the pulley and configured to direct wash spray proximate the pulley;a fluid delivery device including:
a wash line in fluid communication with the hose guide, the wash line being configured to deliver liquid to the hose guide at a pressure of at least 50 pounds per square inch;a wash concentrate tank;a water tank in fluid communication with a fluid path;a metering pump in fluid communication with the wash concentrate tank and configured to deliver wash concentrate tank contents to the fluid path; anda main pump configured to deliver liquid to the wash line at a delivery pressure of at least 50 pounds per square inch (psi); placing the hose guide over a manhole; withdrawing a hose from within a sewer through the manhole; traversing the pulley with the hose; and delivering a wash mixture to the hose guide through the wash line.