12results about "Supersonic fluid pumps" patented technology

A turbomachine is provided that is configured for using a fluid for cooling and sealing functions conducted by a fluid transport pipe (216) with a hollow wall portion sealed to maintain a vacuum therein for thermally isolating the sealing fluid flowing though the fluid transport pipe (216) from an environment external to the fluid transport pipe (216).

A supersonic diffuser for use in turbomachinery adapted to impart thermal energy to a process fluid is provided. The diffuser includes a vaned zone configured to define a passageway having a flow area to pass a flow of a process fluid at supersonic velocity. The vaned zone is configured to define a step-change to the flow area of the passageway at a given location, such as where the flow of the process fluid exits the vaned zone. The diffuser further includes a shock zone coupled to the vaned zone to pass the flow of the process fluid that exits the vaned zone. The shock zone is configured to support a system of shock waves that increases static temperature of the process fluid downstream of the system of shock waves. A mixing and subsonic diffusion is configured to decelerate process fluid from the shock zone to a reduced subsonic speed prior to discharge of the process fluid through an exit of the diffuser.

The present disclosure concerns a rotary apparatus (100) configured for inputting thermal energy (heat) into fluids by having fluidic stream repeatedly propagated through rotating and stationary components arranged inside said rotary apparatus in accordance with essentially helical trajectory. The rotary apparatus (100) comprises two or more rotor blade cascades (R1, R2) coaxially arranged on one or more rotor shaft(s), and at least two stationary vane cascades arranged upstream of a first rotor blade cascade (R1) and downstream of a rearmost rotor blade cascade (R2), respectively. In operation, fluid, such as gas, is heated inside the rotary apparatus while repeatedly passing through cascades S1-R1-R2-S2 in accordance with essentially helical trajectory. The rotor blade cascades can be configured to rotate in co- and counter directions and / or with the same or different speed. In some configurations the apparatus further comprises a flow turn cascade (FTC) configured as a stationary vane cascade arranged between successive coaxial rotor blade cascades (R1, R2). Related method for thermally treating fluids is further provided.

A compressor (1000) for processing a CO2 flow; a first compressor stage (200) having a first row of blades (250) with a first number of blades and a second compressor stage (300) downstream of the first compressor stage (200) having a second row of blades (350) with a second number of blades; the number of blades of the first compressor stage (200) being smaller than the number of blades of the second compressor stage (300); there being an annular gap (400) between the first row of blades (250) and the second row of blades (350); the first compression stage (200) being designed to ensure that the CO2 flow is in a supercritical state at its outlet, preferably close to the critical point of CO2, and such that the second compressor stage (200) processes CO2 in a supercritical state.

A rotary apparatus (100) for inputting thermal energy into fluids and for recycling thus heated fluids is provided, comprising: a rotor with at least one row of rotor blades arranged over a circumference of a rotor hub mounted on a rotor shaft and forming at least one rotor blade cascade, respectively, and a plurality of stationary vanes arranged into at least one stationary vane cascade adjacent to said at least one rotor blade cascade, wherein the rotor and the plurality of stationary vanes are enclosed in a duct formed in a casing between at least one inlet and at least one outlet. The rotary apparatus is configured to heat fluids flowing in the duct between at least one inlet and at least one outlet by virtue of series of energy transformations occurring when said fluid successively passes through rotating and stationary blades / vanes, whereby a stream of heated fluid is generated, and to recycle at least a part of thus heated fluid by means of a fluid circulation arrangement (10) configured to return a part of heated fluid into a duct region between at least one inlet and at least one rotor blade cascade. Recycling may be internal (Recycle route I) or external (Recycle route II).

The application provides a compressor impeller assembly and a shock wave compressor, and belongs to the technical field of gas compression. The compressor impeller assembly comprises a compression impeller, a centrifugal impeller and a main shaft. The compression impeller is provided with a speed reduction air channel, the speed reduction air channel extends from the outer edge of the compression impeller to the shaft hole, the airflow direction of the speed reduction air channel is opposite to the rotation direction of the compression impeller, the speed reduction air channel is used for supplying the high-speed airflow after shock wave compression to enter the speed reduction air channel from the outer edge of the compression impeller to slow down, and high-pressure airflow is formed at the shaft hole of the compression impeller. The centrifugal impeller is coaxial with the compression impeller and abuts against the compression impeller. The centrifugal impeller is provided with a speed increase air channel, the speed increase air channel extends from the shaft hole of the centrifugal impeller to the outer edge, and is used for supplying the high-pressure airflow to enter the speed increase air channel from the shaft hole of the centrifugal impeller and to be thrown out from the outer edge of the centrifugal impeller. The application realizes two-stage compression through the compression impeller and the centrifugal impeller, so that the industrial gas demand is met.

A method for thermal or thermochemical conversion of ammonia or methanol feedstocks into hydrogen (gas) in a related feedstock conversion facility (1000) is provided. The method comprises generating heated fluidic medium by at least one rotary apparatus (100), supplying a stream of thus generated heated fluidic medium into the feedstock conversion facility (1000), and operating said at least one rotary apparatus (100) and said feedstock conversion facility (1000) to carry out thermal or thermochemical conversion of the ammonia or methanol feedstocks into hydrogen at temperatures essentially equal to or exceeding about 500 degrees Celsius (°C). Facility (1000, 1000A) for production of hydrogen from ammonia or methanol feedstocks is further provided.

The present disclosure relates to a rotating apparatus (100) configured for inputting thermal energy (heat) into a fluid by repeatedly flowing a fluid flow according to a substantially helical trajectory through a rotating part and a stationary part arranged inside the rotating apparatus. The rotating device (100) comprises two or more rotor blade cascades (R1, R2) arranged coaxially on one or more rotor shafts and at least two fixed guide vane cascades arranged upstream of a first rotor blade cascade (R1) and downstream of a last rotor blade cascade (R2), respectively. In operation, a fluid, such as a gas, is heated inside the rotating apparatus while repeatedly passing through the cascade S1-R1-R2-S2 according to a substantially helical trajectory. The rotor blade cascade may be configured to rotate in the same and opposite directions and / or at the same or different speeds. In some configurations, the apparatus further includes a flow diverting cascade (FTC) configured as a fixed guide vane cascade disposed between coaxial rotor blade cascades (R1, R2) disposed in succession. Related methods for thermally treating fluids are also provided.

A method is provided for inputting thermal energy into fluidic medium in a manufacturing process by at least one rotary apparatus comprising: a casing with at least one inlet and at least one exit, a rotor comprising at least one row of rotor blades arranged over a circumference of a rotor hub mounted onto a rotor shaft, and a stator configured as an assembly of stationary vanes arranged at least upstream of the at least one row of rotor blades. In the method, an amount of thermal energy is imparted to a stream of fluidic medium directed along a flow path formed inside the casing between the inlet and the exit by virtue of a series of energy transformations occurring when said stream of fluidic medium passes through the stationary vanes and the at least one row of rotor blades, respectively. The method further comprises: integration of said at least one rotary apparatus into a production facility configured to carry out material production processes, such as producing titanium oxide, mineral wool, gypsum, wood pulp and paper, cathodes and anodes, or flash-dried chemicals, at temperatures essentially equal to or exceeding 500 degrees Celsius (°C), and conducting an amount of input energy into the at least one rotary apparatus integrated into the heat-consuming process facility, the input energy comprises electrical energy. A rotary apparatus and related uses are further provided.

There is provided a rotating apparatus (100) for inputting thermal energy into a fluid and for recirculating the fluid thus heated, the rotating apparatus comprising: a rotor having at least one row of rotor blades arranged on the periphery of a rotor hub mounted on a rotor shaft and forming at least one rotor blade cascade, respectively; and a plurality of stationary blades, at least one stationary blade cascade arranged adjacent to the at least one rotor blade cascade, where the rotor and the plurality of stationary blades are enclosed in a duct formed in the housing between the at least one inlet and the at least one outlet. The rotating device is configured to heat a fluid flowing between at least one inlet and at least one outlet in a conduit by means of a series of energy conversions occurring as the fluid continuously passes through the rotating and stationary blades, thereby generating a heated fluid stream, and the rotating apparatus is configured to recirculate at least a portion of the thus heated fluid by means of fluid circulation means (10) configured to return a portion of the heated fluid into a duct region between the at least one inlet and the at least one rotor blade cascade. Recirculation may be internal (Recirculation Route I) or external (Recirculation Route II).

A vacuum pump generally comprises a low pressure portion and a high pressure portion separated by a gas impermeable partition. Gas molecules exit the low pressure portion through an opening in the partition and passively impinge on a featureless rotatable surface in the high pressure portion. A drive rotates the rotatable surface with tangential velocity in the supersonic range at multiple times the most probable velocity of the impinging gas molecules. Impinging gas molecules are ejected outwardly from the periphery of the rotatable surface generating a substantial net outward flow of gas and reducing the pressure in the low pressure portion. The vacuum pump is effective to reduce the pressure in the low pressure portion to a target minimum pressure without using seals to prevent gas molecules from leaking back to the low pressure portion and without using blades or vanes to actively impact the gas molecules.