A system for cleaning gas turbine engines is described. More specifically, methods and apparatuses for cleaning stationary gas turbines and on-wing turbofan engines found on aircraft are disclosed that includes a trailer-mounted, automated low-pressure water delivery system, additive and detergent i
A system for cleaning gas turbine engines is described. More specifically, methods and apparatuses for cleaning stationary gas turbines and on-wing turbofan engines found on aircraft are disclosed that includes a trailer-mounted, automated low-pressure water delivery system, additive and detergent injection system, nozzle and manifold technology, and active waste water effluent collector system. The system will deliver the liquid cleaning medium at a specific pressure, temperature, and flow rate to optimize the atomization that occurs at the nozzles.
대표청구항▼
1. An apparatus for cleaning gas turbine engines, comprising: means for pressurizing a wash fluid, wherein said means comprises a low-pressure fluid delivery system;means for incorporating additives and/or detergents into the wash fluid; anda manifold and injection nozzle assembly, having a pluralit
1. An apparatus for cleaning gas turbine engines, comprising: means for pressurizing a wash fluid, wherein said means comprises a low-pressure fluid delivery system;means for incorporating additives and/or detergents into the wash fluid; anda manifold and injection nozzle assembly, having a plurality of nozzles mounted on a moveable manifold that is fluidly connected to a source of wash fluid, the manifold positionable directly in front of an air inlet of a gas turbine engine for delivering the wash fluid into the air inlet of the gas turbine engine and connectable to the gas turbine engine, wherein the manifold and injection nozzle assembly is configured to deliver the wash fluid in at least one finely divided spray, with the wash fluid at each nozzle at a corresponding pressure of about 200 psi to about 725 psi and a total delivery rate through all of the nozzles of about 1 gallon per minute to about 50 gallons per minute, and wherein at least one of the nozzles has a first configuration that produces a first spray as to droplet size, flowrate, and dispersion spray pattern, and wherein at least one other of the nozzles has a second configuration, different from the first configuration, that produces a second spray, different from the first spray, as to droplet size, flowrate, and dispersion spray pattern. 2. The apparatus of claim 1 further comprising: means for purging the wash fluid from the engine cleaning apparatus. 3. The apparatus of claim 1 further comprising: means for controlling the engine cleaning apparatus. 4. The apparatus of claim 3 wherein said control means is an electronic microprocessor control, feedback, data storage, and application programming system. 5. The apparatus of claim 1 further comprising: a portable power generator that will power the engine cleaning apparatus. 6. The apparatus of claim 1 wherein said additives and/or detergents are selected from the group consisting of cleaning solutions, foaming agents, detergents, freeze depressants, emulsifiers, corrosion inhibitors, and anti-static additives. 7. The apparatus of claim 1 wherein said means for pressurizing a wash fluid comprises: a tank for holding the wash fluid;means for heating and maintaining the temperature of the wash fluid;a motor controlled pump;plumbing from the tank to a motor controlled pump;a flow control mechanism; andplumbing from the pump towards the engine. 8. The apparatus of claim 7 wherein said means for heating and maintaining the temperature of the wash fluids heats and maintains said wash fluid to a range from about 150 degrees to about 200 degrees Fahrenheit. 9. The apparatus of claim 7 wherein the means for heating and maintaining the temperature of the wash fluid comprises tank band heaters, immersion heaters or panels. 10. The apparatus of claim 7 further comprising: means for purging the wash fluid from the plumbing from the pump towards the engine. 11. The apparatus of claim 1 wherein said means for incorporating additives and/or detergents into the wash fluid comprises: one or more tanks for holding the additives and/or detergents;a motor controlled pump for each tank;plumbing from each tank to its corresponding motor controlled pump; andplumbing from each pump into the pressurized aqueous wash fluid plumbing. 12. The apparatus of claim 11 wherein said additives and/or detergents are selected from the group consisting of cleaning solutions, foaming agents, detergents, freeze depressant, emulsifiers, corrosion inhibitors, and anti-static additives. 13. The apparatus of claim 1 further comprising: means for purging the wash fluid from the manifold array and nozzles. 14. The apparatus of claim 13 wherein said means for purging comprises: a compressed air source which is activated at the end of the wash cycle to flush the wash fluid from the wash delivery pump, the manifold array and nozzles and/or the plumbing. 15. The apparatus of claim 1, wherein the first spray as to droplet size, flowrate, and dispersion spray pattern is adapted for finely-divided spray to a core of the gas turbine engine, and wherein the second spray has unique characteristics as to droplet size, flowrate, and dispersion spray pattern for direct impingement on bypass blades of the gas turbine engine. 16. An apparatus for cleaning gas turbine engines, comprising: means for pressurizing a fluid, wherein said means comprises a low-pressure fluid delivery system operating from about 200 psi to about 725 psi;means for incorporating additives and/or detergents into the fluid by injection of additives and/or detergents into the fluid after pressurization; anda manifold and injection nozzle assembly, having a plurality of nozzles mounted on a moveable manifold that is fluidly connected to a source of fluid, the manifold positionable directly in front of an air inlet of a gas turbine engine for delivering the fluid into the air inlet of the gas turbine engine and connectable to the gas turbine engine, wherein said nozzles are arranged on a manifold array with each nozzle having different configurations to produce associated unique spray characteristics as to droplet size, flowrate, and dispersion spray pattern, with at least one of said nozzles configured to deliver the wash fluid in a finely divided spray, and wherein the manifold and injection nozzle assembly is further configured to have wash fluid passing through each nozzle at a corresponding pressure of about 200 psi to about 725 psi and a total delivery rate through all of the nozzles of about 1 gallon per minute to about 50 gallons per minute, and wherein the plurality of nozzles each have a fixed size orifice ranging from 0.05 mm to 1.3 mm. 17. The apparatus of claim 16, wherein a first of the nozzles has unique characteristics to provide finely-divided spray to a core of the gas turbine engine located remote from the first of the nozzles, and wherein a second of the nozzles has unique characteristics for direct impingement on bypass blades of the gas turbine engine located in close proximity to the second of the nozzles.
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