A hand held steamer having a housing with an opening for injecting steam into an interior of the housing. A core is positioned in the interior of the housing. The core has holes for receiving the steam into an interior of the core. Spacers center the core within the interior of the housing, thereby forming a chamber in the interior of the housing around an exterior of the core. A device in need of sanitization can be placed in the interior of the core. A source of dry vapor steam is attached to the opening in the housing and the steam is injected into the interior of the housing, around the exterior of the core, and into the interior of the core. The steam sanitizes the surface of the device without damaging the rest of the device, as a result of uniform distribution of steam around the device.

A hand held steamer having a housing with an opening for injecting steam into an interior of the housing. A core is positioned in the interior of the housing. The core has holes for receiving the steam into an interior of the core. Spacers center the core within the interior of the housing, thereby forming a chamber in the interior of the housing around an exterior of the core. A device in need of sanitization can be placed in the interior of the core. A source of dry vapor steam is attached to the opening in the housing and the steam is injected into the interior of the housing, around the exterior of the core, and into the interior of the core. The steam sanitizes the surface of the device without damaging the rest of the device, as a result of uniform distribution of steam around the device.

A method for generating a steam cycle at a pressure around 200 bars and a temperature around 600° C., using an industrial steam generator with a solar receiver admitting an incident solar flux around 600 kW/m.sup.2, includes: generating a water-steam mixture in the evaporator by transferring heat from the incident solar flux onto the evaporator; separating the water-steam mixture into saturated water and saturated steam in the separator drum, the saturated steam having a pressure from 160 to 200 bars and a temperature from 347 to 366° C.; injecting the feed water into the mixing drum, where it is mixed with the saturated water from the separator drum, the mixed water next returning toward the evaporator via the return pipe provided with the circulation pump, such that the temperature of the mixed water entering the evaporator is below the saturated steam temperature, by a value from 5 to 15° C.

Various technologies pertaining to tuning composition of a fluid mixture in a supercritical Brayton cycle power generation system are described herein. Compounds, such as Alkanes, are selectively added or removed from an operating fluid of the supercritical Brayton cycle power generation system to cause the critical temperature of the fluid to move up or down, depending upon environmental conditions. As efficiency of the supercritical Brayton cycle power generation system is substantially optimized when heat is rejected near the critical temperature of the fluid, dynamically modifying the critical temperature of the fluid based upon sensed environmental conditions improves efficiency of such a system.

A pump uses the steam hammer effect to pump water from a reservoir into a control volume. Steam is injected into a water conduit extending between a liquid water reservoir and the control volume forms a liquid steam interface. Steam within the conduit condenses on the interface creating a region of partial vacuum. Water accelerates into the region of partial vacuum and is vented into the control volume, flow being controlled by a valve.

A pump uses the steam hammer effect to pump water from a reservoir into a control volume. Steam is injected into a water conduit extending between a liquid water reservoir and the control volume forms a liquid steam interface. Steam within the conduit condenses on the interface creating a region of partial vacuum. Water accelerates into the region of partial vacuum and is vented into the control volume, flow being controlled by a valve.

A steam generator which may be mobile or stationary, which includes a fire box the outlet of which is connected to a cyclone section; the outlet of the cyclone section opens into a water tube steam boiler, with the connection between the cyclone section and the water tube steam boiler being such that the cyclone section substantially isolates the water tube steam boiler from the radiant heat of a fire in the fire box; a structural shell contains the fire box, cyclone section and water tube steam boiler and is arranged to both provide a containment vessel if the contained components fail in use and also to bear any of the structural loads applied to the generator in use.

A steam generator and a cooking apparatus including a steam generator are provided. The steam generator may include a heater, an inflow tube, a steam generation tube, and a discharge tube and an adaptor unit connected to the steam generator may be provided. The inflow tube and the discharge tube and the discharge tube may be connected at a predetermined angle to the adaptor unit. Thus, the steam generation tube connecting the inflow tube to the discharge tube may also be inclined.

The invention solves the problem of hot water flow in a domestic hot water installation. The subject of the installation according to the invention is that on a third cold water branch (13) that feeds the heating device (1) a control switch (4) is installed, said switch (4) is connected by control system (11) with hot water flow forcing device (3) set on a second hot water circulation branch (2).

A hand held steamer having a housing with an opening for injecting steam into an interior of the housing. A core is positioned in the interior of the housing. The core has holes for receiving the steam into an interior of the core. Spacers center the core within the interior of the housing, thereby forming a chamber in the interior of the housing around an exterior of the core. A device in need of sanitization can be placed in the interior of the core. A source of dry vapor steam is attached to the opening in the housing and the steam is injected into the interior of the housing, around the exterior of the core, and into the interior of the core. The steam sanitizes the surface of the device without damaging the rest of the device, as a result of uniform distribution of steam around the device.