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. A method of cleaning a gas turbine engine, the method comprising: pressurizing a wash fluid;incorporating additives and/or detergents into the wash fluid by injection of additives and/or detergents into the wash fluid;delivering wash fluid into the gas turbine engine at a low pressure, finely div
1. A method of cleaning a gas turbine engine, the method comprising: pressurizing a wash fluid;incorporating additives and/or detergents into the wash fluid by injection of additives and/or detergents into the wash fluid;delivering wash fluid into the gas turbine engine at a low pressure, finely divided spray at about 200 psi to about 725 psi and a delivery rate of about 1 gallon per minute to about 50 gallons per minute to clean the gas turbine engine; anddispersing, simultaneously, a first low pressure, finely divided spray in a first spray pattern, and a second low pressure, finely divided spray in a second spray pattern different from the first spray pattern. 2. The method of claim 1 wherein pressurizing the wash fluid includes heating and maintaining a temperature of the wash fluid to a range from about 150 degrees to about 200 degrees Fahrenheit. 3. The method of claim 2 wherein the wash fluid is heated using any of tank band heaters, immersion heaters or panels. 4. The method of claim 1 wherein said additives and/or detergents are selected from a group consisting of cleaning solutions, foaming agents, detergents, freeze depressants, emulsifiers, corrosion inhibitors, and anti-static additives. 5. The method of claim 1 wherein the first and second sprays are dispersed through a plurality of nozzles, each having unique characteristics as to droplet size, flowrate, and dispersion spray pattern. 6. The method of claim 1 wherein delivering wash fluid further includes pumping the wash fluid using a wash delivery pump. 7. The method of claim 6, and further comprising: purging the wash fluid from the wash delivery pump. 8. The method of claim 7 wherein purging the wash fluid comprises activating a compressed air source to flush the wash fluid from the wash delivery pump at the end of the wash cycle. 9. The method of claim 6, and further comprising: powering the wash delivery pump using a portable power generator. 10. The method of claim 1, wherein wash fluid is delivered into the gas turbine engine through a manifold and injection nozzle assembly, having a plurality of nozzles mounted on a moveable manifold that is fluidly connected to a source of the wash fluid; andwherein the manifold is positioned 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. 11. The method of claim 10, and further comprising: dispersing the wash fluid through the plurality of nozzles in the multiple, different spray patterns, each having unique characteristics as to droplet size, flowrate, and dispersion spray pattern. 12. The method of claim 10 wherein a first of the nozzles provides 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 provides direct impingement of the wash fluid on bypass blades of the gas turbine engine located in close proximity to the second of the nozzles. 13. The method of claim 10, and further comprising: purging the wash fluid from the manifold array and nozzles. 14. The method of claim 13 wherein purging the wash fluid comprises activating a compressed air source to flush the wash fluid from the manifold array and nozzles at the end of the wash cycle. 15. The method of claim 1, and further comprising: collecting the wash fluid delivered into the gas turbine engine through a manifold and injection nozzle assembly, wherein the step of collecting the wash fluid comprises: expelling waste wash fluid from the gas turbine engine;separating the waste wash fluid from air flow; andcollecting the waste wash fluid in a container.
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