Methods of cleaning flow path components of power systems, and sump purge kits used in the same or related methods are disclosed. A method of cleaning may include removing a casing of the turbine system to expose a rotor of the turbine system, a plurality of flow path components coupled to the rotor and/or the casing, and a sump system in communication with the rotor. The method may also include pressurizing the sump system in communication with the rotor, and sealing a plurality of openings formed in the rotor. Additionally, the method may include exposing the rotor and the plurality of flow path components to steam to dry hydrocarbons formed on a surface of the rotor and a surface of the plurality of flow path components, and blasting the rotor and the plurality of flow path components with solid carbon dioxide (CO.sub.2) to dislodge the dried hydrocarbons.

Systems and methods for cleaning a heat recovery steam generator system including tubes and fins associated therewith using deep cleaning alignment equipment are described. The deep cleaning alignment equipment primarily includes at least one wedge and at least one wand. The wedge may be an elongate wedge configured to maximize the surface area that contacts the tubes and fins, which in turn minimizes the amount of stress about any specific point of the tubes or the fins. Additionally, the wedge may be made of a variety of different materials. The wedge may include multiple pieces that can be releasably secured together. The wedge may also have at least one opening formed therein to assist in removal of the wedge from the system.

An apparatus and method for treating a surface with a jet utilizing a multiplicity of particles, using a mixing chamber for mixing a stream of propellant gas with the multiplicity of particles, a particle generator, which is designed to generate the multiplicity of particles and introduce them into the mixing chamber in a solid state, the particle generator having at least one screen plate, and it being possible for the multiplicity of particles to be formed in a solid state by pressing a solid starting material through the screen plate, a propellant gas line with a propellant gas nozzle for introducing the propellant gas into the mixing chamber, and an outlet from the mixing chamber for the stream of propellant gas.

A cleaning system that utilizes a dispensing head to spray carbon dioxide and a propellant against a surface. The carbon dioxide being propelled includes solid phase crystals. A supply line is used to feed the carbon dioxide to a dispensing head. Within the dispensing head, a first manifold chamber receives the carbon dioxide. A plurality of pathways link the first manifold chamber to a plurality of output nozzles. Each of the pathways contains an internal configuration that induces a formation of solid phase carbon dioxide crystals as the carbon dioxide from the supply line flows through the pathways toward the output nozzles. The propellant enters the dispensing head and flows into a second manifold chamber. The second manifold chamber has an exit opening near, or at, the output nozzles. As carbon dioxide, in both gas and solid phase, exits the output nozzles, it is accelerated by the propellant.

A method for cleaning primary packaging means in pharmaceutical filling and/or packaging installations. The method includes a step of treating at least one surface of the primary packaging by means of blasting with carbon dioxide (CO2) snow, a step of using a gas flow for the suction extraction of substances cleaned off from the surface, and a step of filtering the gas flow comprising the substances contained in the cleaned-off substances. A related system includes a supply device for supplying liquid CO2 and compressed air to at least one nozzle designed to generate solid particles by means of expanding the liquid CO2 to be directed onto a surface to be treated, a holding device for primary packaging, a substance removal device to remove substances cleaned from at least one surface by means of a gas flow; and a filter device for the gas flow comprising the cleaned substances.

A method for conditioning ceramic coating on a part for use in a plasma processing chamber is provided. The ceramic coating is wetted with a solution, wherein the solution is formed by mixing a solvent with an electrolyte, wherein from 1% to 10% of the electrolyte dissociates in the solution. The ceramic coating is blasted with particles. The ceramic coating is rinsed.

In a lining material peeling method of peeling a lining material, which is fixedly formed on a surface of a base material, from the base material, a liquefied fluid which evaporates after injection is injected to a boundary between the base material and the lining material.

A device and a method for the surface treatment of a material by a pressurized jet of liquid nitrogen, supercritical cryogenic nitrogen or hypercritical cryogenic nitrogen that may be loaded with particles, use a device that includes a mixing chamber (10) closed by a downstream wall with an outlet orifice, and a diffusion focusing barrel (20) having an inlet and an outlet, the inlet being designed to be fastened to the mixing chamber (10) while being in fluid contact with the outlet orifice of the mixing chamber (10), the pressurized jet of nitrogen having to pass through the focusing barrel from the inlet to the outlet. The diffusion focusing barrel (20) includes a hollow tube having three successive portions placed one after the other, namely a convergent portion (21) located on the side of the inlet opening of the diffusion focusing barrel and whose inner face, considered in the direction of flow of the nitrogen jet, is convergent, a neck (22) whose inner face is cylindrical, and a divergent portion (23) ending in the outlet of the diffusion focusing barrel and whose inner face, considered in the direction of flow of the nitrogen jet, is divergent.

A method and apparatus produce an enhanced blast stream which may be directed at a workpiece. The enhanced blast stream has higher energy allowing the blast stream to remove difficult to remove coatings from substrates. A heated flow is combined with an entrained particle flow and expelled through a nozzle. The heated flow results in more energy being imparted to the coating.

The invention relates to a polishing machine (10) and to a method for polishing optical waveguides, the polishing machine comprising a polishing disk (13) having a plug socket (14) for holding a plug with an optical waveguide, a polishing platform (15) for receiving an abrasive, a positioning device (17) for relative positioning of the polishing disk and of the polishing platform between a polishing position and a set-up position (16), and a drive device for executing a relative polishing movement between the polishing platform and the polishing disk in the polishing position, the positioning device having a holder (20) for detachably holding the polishing disk, wherein the polishing machine has a metering device for applying a rinsing liquid to the polishing platform, a passage opening through which the rinsing liquid is metered onto the polishing platform by means of the metering device being formed in the polishing disk.