Abstract: The invention relates to a pouch-type bag made of paper having a first ply and a second ply, which are connected to one another on their lateral edges and form a filling space, wherein, at its closed end, the pouch-type bag comprises a block-type base or cross-type base and, at its open end via which the filling space can be filled, the lateral edges of the first and second plies terminate on the same plane, wherein at least one sheet is connected to the first ply, which sheet extends beyond the lateral edges of the first and second plies, wherein the sheet is arranged in particular on the side of the first ply facing away from the filling space.

Abstract: The invention describes a bag (300) having a first wall and a second wall that comprise paper and that are connected to one another by lateral edges such that a fill space is provided, wherein the second wall projects above the first wall as seen in the longitudinal direction of the bag, and having two ends, wherein a bottom is arranged on one end and an opening is provided on the other end, through which the fill space is accessible, wherein the bottom comprises at least one folding region of the second wall, wherein the folding region is folded over at least parts of the first wall about a crease line, and having at least one handle opening (109, 109?). The invention is characterized by the handle opening (109, 109?) through which the second wall reaches outside of the folding region and through the folding region.

Abstract: The invention describes a pouch-type bag, with a first wall and with a second wall, which comprise paper and which are connected to one another via side edges, so that a filling space is provided, wherein the second wall, viewed in the longitudinal direction of the pouch, protrudes beyond the first wall, with two ends, wherein a base is arranged at one end, which base comprises at least one envelope area of the second wall, wherein the envelope area is folded over about a first crease line at least onto parts of the first wall, wherein an opening is provided at the other end, via which opening the filling space is accessible, wherein one of the walls comprises a sealing area which can be folded over about a second crease line onto the outside of the other wall and can be fastened there by means of an adhesive element applied to the sealing area.

Abstract: A method of operating a turbine unit, wherein recirculated exhaust gas is contacted with a cooling and absorption liquid in a packed bed. An exhaust gas treatment system for a turbine unit, wherein an exhaust gas recirculation line comprises a gas cooling and cleaning device having a packed bed for contacting the exhaust gas with a cooling and absorption liquid. A combined cycle power generating system, wherein an exhaust gas recirculation line comprises a gas cooling and cleaning device having a packed bed for contacting the exhaust gas from a gas turbine with a cooling and absorption liquid and wherein water utilized as a cooling medium for condensation of steam originating from a steam turbine, and the cooling and absorption liquid, are passed to a cooling tower.

Abstract: A method and system are disclosed for operating a gas turbine power plant with flue gas recirculation, in which variable compressor inlet guide vanes are controlled as a function of flue gas recirculation ratio and/or as a function of a process parameter which is indicative for the flue gas recirculation. A controller setpoint position of the variable compressor inlet guide vanes can be controlled as a function of a position of a control element for controlling flue gas recirculation flow.

Abstract: The power plant includes a gas turbine unit adapted to feed flue gases into a diverter where they are divided into a recirculated flow and a discharged flow. The recirculated flow is fed into a mixer together with fresh air to form a mixture that is fed to the gas turbine unit. The gas turbine unit includes a combustion chamber where a fuel is burnt together with the mixture. A control unit is provided, that is supplied with information regarding the fuel C2+ and/or H2 content and is connected to at least the diverter to drive it and online regulate the recirculated flow mass flow rate in relation to the fuel C2+ and/or H2 content.

Abstract: A method is disclosed for operating a gas turbine power plant having a gas turbine, a heat recovery steam generator and an flue gas splitter which splits flue gases into a first flue gas flow for recirculation into an inlet flow of the gas turbine and into a second flue gas flow for discharge to an environment. An oxygen-depleted gas can be used in an open cooling system for cooling hot gas parts of the gas turbine. A split compressor intake can be provided for separate feed of recirculated flue gas and fresh air into a compressor intake. Compressor blades can include a separating band which blocks intermixing of recirculated flue gas and fresh air during compression.

Abstract: A method is provided for operating a gas turbine power plant with flue gas recirculation, in which the flue gases are split into a first flue gas flow for recirculation into an intake flow of the gas turbine and into a second flue gas flow for discharging to the environment. The first flue gas flow is cooled in a recooler before its mixing with ambient air for forming the intake flow. The recirculation flow, after being recooled, is reheated in order to avoid condensation of vaporous water contained in the recycled flue gases during cooling as a result of the mixing with the ambient air. A gas turbine power plant is provided with flue gas recirculation, which includes a heat exchanger for reheating the recirculation flow after being recooled.

Abstract: A power plant includes a gas turbine unit adapted to feed flue gases into a diverter where they are divided into a recirculated flow that is fed into a mixer together with fresh air to form a mixture that is fed to a gas turbine unit compressor inlet, and a discharged flow, that is fed into a CO2 capture unit. A monitoring system for the mixture oxygen content at the compressor inlet is provided. The monitoring system includes a recirculated flow mass flow rate sensor, a recirculated flow oxygen concentration sensor, mixture mass flow rate sensors, a control unit arranged to process information detected by the recirculated flow mass flow rate sensor, recirculated flow oxygen concentration sensor and mixture mass flow rate sensor, to determine an oxygen concentration upstream of the compressor inlet.

Abstract: An exemplary method is disclosed for operating a gas turbine power plant with exhaust gas recirculation, in which the exhaust gas recirculation is, for example, disengaged during starting and shutting down of the gas turbine, and in which the engaging or disengaging of the exhaust gas recirculation can be carried out in dependence upon an operating state of the gas turbine. An exemplary gas turbine power plant with exhaust gas recirculation is also disclosed which can include a control element, the closing speed of which is such that the control element can be closed within a time which is less than a time for exhaust gases to flow from the turbine through an HRSG.

Abstract: A power plant including a gas turbine, a heat recovery boiler arrangement. The gas turbine includes a compressor inlet with a fresh air intake sector and an intake section for recirculated flue gas. A common control element for the control of the fresh air flow and of the recirculated flue gas flow is arranged in the compressor and/or in the compressor intake. Besides the power plant, a method to operate such a power plant is an object of the invention.

Abstract: The invention discloses a method for operating a combined cycle power plant with an integrated CO2 capture unit, wherein flue gas of a gas turbine is led along an flue gas path through a heat recovery steam generator, a flue gas cooling circuit and a CO2 absorber. A reduction in effort is achieved by operating the gas turbine to have a back-pressure at its exit, which compensates most or all of the pressure loss of the flue gas along the flue gas path.

Abstract: A method of operating a turbine unit, wherein recirculated exhaust gas is contacted with a cooling and absorption liquid in a packed bed. An exhaust gas treatment system for a turbine unit, wherein an exhaust gas recirculation line comprises a gas cooling and cleaning device having a packed bed for contacting the exhaust gas with a cooling and absorption liquid. A combined cycle power generating system, wherein an exhaust gas recirculation line comprises a gas cooling and cleaning device having a packed bed for contacting the exhaust gas from a gas turbine with a cooling and absorption liquid and wherein water utilized as a cooling medium for condensation of steam originating from a steam turbine, and the cooling and absorption liquid, are passed to a cooling tower.

Abstract: A method is provided for operating a gas turbine power plant with flue gas recirculation, in which the flue gases are split into a first flue gas flow for recirculation into an intake flow of the gas turbine and into a second flue gas flow for discharging to the environment. The first flue gas flow is cooled in a recooler before its mixing with ambient air for forming the intake flow. The recirculation flow, after being recooled, is reheated in order to avoid condensation of vaporous water contained in the recycled flue gases during cooling as a result of the mixing with the ambient air. A gas turbine power plant is provided with flue gas recirculation, which includes a heat exchanger for reheating the recirculation flow after being recooled.

Abstract: An exemplary method is disclosed for operating a gas turbine power plant with exhaust gas recirculation, in which the exhaust gas recirculation is, for example, disengaged during starting and shutting down of the gas turbine, and in which the engaging or disengaging of the exhaust gas recirculation can be carried out in dependence upon an operating state of the gas turbine. An exemplary gas turbine power plant with exhaust gas recirculation is also disclosed which can include a control element, the closing speed of which is such that the control element can be closed within a time which is less than a time for exhaust gases to flow from the turbine through an HRSG.

Abstract: A method is disclosed for operating a gas turbine power plant having a gas turbine, a heat recovery steam generator and an flue gas splitter which splits flue gases into a first flue gas flow for recirculation into an inlet flow of the gas turbine and into a second flue gas flow for discharge to an environment. An oxygen-depleted gas can be used in an open cooling system for cooling hot gas parts of the gas turbine. A split compressor intake can be provided for separate feed of recirculated flue gas and fresh air into a compressor intake. Compressor blades can include a separating band which blocks intermixing of recirculated flue gas and fresh air during compression.

Abstract: A method is provided for operating a gas turbine power plant with exhaust gas recirculation, in which, based upon the operating state of the gas turbine a setpoint concentration of at least one constituent in an exhaust gas flow and/or in the intake flow of the gas turbine after adding the recirculated exhaust gases is determined. The actual concentration of the at least one constituent in the exhaust gas flow and/or in the intake flow is measured and a control element for controlling the recirculation flow is controlled based upon the setpoint/actual deviation. Also provided is a gas turbine power plant with exhaust gas recirculation and includes a controller, in which a setpoint concentration of at least one constituent in an exhaust gas flow or in the intake flow of the gas turbine is determined, and a measuring instrument for measuring the actual concentration of the at least one constituent.

Abstract: A power plant includes a gas turbine unit adapted to feed flue gases into a diverter where they are divided into a recirculated flow that is fed into a mixer together with fresh air to form a mixture that is fed to a gas turbine unit compressor inlet, and a discharged flow, that is fed into a CO2 capture unit. A monitoring system for the mixture oxygen content at the compressor inlet is provided. The monitoring system includes a recirculated flow mass flow rate sensor, a recirculated flow oxygen concentration sensor, mixture mass flow rate sensors, a control unit arranged to process information detected by the recirculated flow mass flow rate sensor, recirculated flow oxygen concentration sensor and mixture mass flow rate sensor, to determine an oxygen concentration upstream of the compressor inlet.

Abstract: A web guide system to accurately control the lateral alignment of a continuous moving web of material is provided which is efficient and easy to manufacture. A guide roll over which a moving web of material passes in a 90.degree. wrap extends between two pivot arms. The first arm extends downward from a drive motor and is adapted to pivot in a vertical plane about a pivot point on the drive motor. The second arm is adapted to pivot in a vertical plane about a second pivot point offset 90.degree. from the first pivot point in a counterclockwise direction along a quarter circle arc. Movement of the first pivot by the drive motor will cause the guide roll to pivot at an angle from its normal position and shift the lateral position of the moving web of material passing over it. A scanner assembly extends between the pivot arms in close proximity to the guide roll to detect lateral misalignment of the moving web of material.

Abstract: An apparatus including a hollow cylindrical member for hydrodynamically supporting and changing the direction of a continuously moving sheet of web material through a predetermined angle. The cylindrical member comprises a series of apertures through which fluid under pressure passes from the hollow portion to the exterior surface of the bar. Each aperture includes a curved surface extending from the hollow portion to the exterior surface, causing the fluid to flow in a laminar path through the aperture. The fluid substantially follows the contour of the exterior surface of the cylindrical bar, thereby forming a fluid cushion for the sheet of web material as it passes over the bar.