Patent ID: 11865589
Assignee: TEXAS NAMEPLATE COMPANY, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B  A  C | IPC A  B  C

Claim 11:
12. A system for cleaning substrates comprising a plurality of programmable logic controllers, the system comprising:
wherein the programmable logic controllers are configured to:
convey a metal sheet to be cleaned through a substrate cleaning system via an automated conveyor, wherein the automated conveyor comprises at least a first upper sprayer;
spray, with the first upper sprayer, the metal sheet with a first cleaning solution, wherein a temperature of the first cleaning solution is maintained close to or below a boiling point of the first cleaning solution;
scrub the sprayed metal sheet with an automated brush;
rinse, with a second upper sprayer, the scrubbed metal sheet with a second cleaning solution, wherein a temperature of the second cleaning solution is maintained below a boiling point of the second cleaning solution;
dry the metal sheet by passing the metal sheet through a drying module;
provide an automated filter media disposed within a filtration system, the filtration system positioned below the first upper sprayer and comprising a grate, runoff guides, a filter media dispenser, and a collection tray, wherein the collection tray is disposed below the grate and is connected to a filtering module disposed beneath the collection tray;
collect debris on top of the automated filter media and onto the grate;
pass the first liquid through the automated filter media and through the grate;
direct the first liquid to the collection tray and into a tank for filtration;
pump the first filtered liquid from the tank to a heat exchanger; and
direct the first filtered liquid to the first upper sprayer.