Abstract: The invention relates to a heating system comprising a heat pump system. The heat pump system comprises a heat pump, operating with a primary fluid, and a secondary fluid. The heat pump system further comprises a first sink heater. The heat pump is connected to the first sink heater, and the first sink heater is configured to preheat a process medium. The heating system further comprises a second sink heater configured to transfer heat to a second process medium. The heat pump system further comprises a heat exchanger that is connected to the second sink heater and is configured to transfer heat from an exhaust medium of the second sink heater to the secondary fluid used to provide heating to the process medium. The heat pump is connected to the heat exchanger in a parallel configuration. Furthermore, a method for integrating a heating system into a drying plant, the heating system comprising a heat pump system, is provided.

Abstract: A method and a system for recovering aroma compounds from a coffee extract is provided. The coffee extract and a steam flow is provided to a two-fluid nozzle, to generate a spray of coffee extract in steam, which spray is separated to provide an aroma rich gas and stripped coffee extract.

Abstract: In the gas disperser (3), a flow conditioning device (5, 6) is located in the inlet duct section (32). The flow conditioning device comprises a hole plate (5) and a flow straightener (6) positioned in parallel with and at a distance (h) in the axial direction (axd) from the downstream side of the hole plate (5). The hole plate (5) has a predefined hole plate thickness (tp) in the axial direction (axd) and each flow straightener (6) has a predefined flow straightener length (Is) in the axial direction (axd), the flow straightener length (Is) being substantially larger than the hole plate thickness (tp).

Abstract: A method and a system for recovering aroma compounds from a coffee extract is provided. The coffee extract and a steam flow is provided to a two-fluid nozzle, to generate a spray of coffee extract in steam, which spray is separated to provide an aroma rich gas and stripped coffee extract.

Abstract: A system for monitoring a fluid and controlling a process in a membrane filtration plant is provided herein. The system comprises includes a feed sensor, a downstream sensor, and a controller.

Abstract: The powder drying system comprises a powder processing unit (1), and a filter unit (400) defining a central vertical axis (405) and including a filtering chamber (401) accommodating a plurality of bag filters (407), each having a bag filter wall and a top opening, a top portion (402), and an exhaust chamber (403) at or near the top portion (402). The filtering chamber (401) is provided with an inlet (410) configured to allow entry of powder carrying gas to be filtered, and the exhaust chamber (403) has an outlet (420) configured to allow exhaust of filtered gas. In the filtering chamber (401), gas flows through the wall of the bag filters (407), upwards and out through the top opening of the bag filters (407), into the exhaust chamber (403) and further to the outlet (420).

Abstract: A spray drying apparatus has a spray drying chamber; a liquid feed atomizer; a drying gas disperser; a perforated bottom; and a plenum chamber with an outlet below the perforated bottom. At least one guide plate is provided in the plenum chamber to direct gas, which is passing through the perforated bottom into the plenum chamber, towards the bottom of the plenum chamber. The guide plates have lower edges extending on average down to at least half-way between the perforated bottom of the spray drying chamber and the bottom of the plenum chamber.

Abstract: A dryer for drying a liquid feed into a powder comprises a drying chamber defined by a chamber wall including a bottom wall portion; a feed inlet for receiving the liquid feed and dispersing particulate feed into the drying chamber; at least one air inlet for entering drying air into the drying chamber; and at least one drying chamber outlet for dried powder and/or spend drying air from the drying chamber. The feed inlet comprises a decanter centrifuge with an axis of rotation; a first axial end; a second axial end; and a solid phase outlet at the first axial end.

Abstract: The present invention relates to a sensor system for monitoring a powder handling device. The sensor system comprising an alternating electrical signal source electrically connectable to the powder handling device and a processing device. The processing device comprising a measuring device and a controller communicatively connectable to the measuring device. The controller is configured to receive measurement data from the measuring device and determine a phase difference between an input signal and an output signal based on the received measurement data.

Abstract: A rotary bearing with a damper having an inner bearing element configured for rotation around an axis of rotation, an outer bearing element coaxial with the inner bearing element, an inner damper element with an outer surface surrounding the outer bearing element, an outer damper element with an inner surface surrounding the inner damper element, at least one sealing element provided between the outer surface and the inner surface, the sealing element confining a damper space having a circumferential film space defined by a clearance between the outer surface and the inner surface. The damper space contains fluid and is a closed, isolated damper space.

Abstract: A method for training an operator of a spray drying plant, the spray drying plant including a plurality of plant elements including pre-processing elements, a spray drying element, post-processing elements, powder recovery elements, and a programmable logic controller, PLC. The method including the steps of: obtaining a transient model of the spray drying plant, wherein the transient model includes transient sub-models of the plurality of plant elements; calculating repeatedly simulated sensor data based on the obtained transient model, using a processing unit; displaying on a display a training human machine interface, tHMI, configured to communicate with the transient model of the spray drying plant, and to display the simulated sensor data and control data for the transient model; and updating the transient model based on operator input on the tHMI, for controlling the transient model of the spray drying plant.

Abstract: A spray drying apparatus has a spray drying chamber; a liquid feed atomizer; a drying gas disperser; a perforated bottom; and a plenum chamber with an outlet below the perforated bottom. At least one guide plate is provided in the plenum chamber to direct gas, which is passing through the perforated bottom into the plenum chamber, towards the bottom of the plenum chamber. The guide plates have lower edges extending on average down to at least half-way between the perforated bottom of the spray drying chamber and the bottom of the plenum chamber.

Abstract: A rotary bearing with a damper having an inner bearing element configured for rotation around an axis of rotation, an outer bearing element coaxial with the inner bearing element, an inner damper element with an outer surface surrounding the outer bearing element, an outer damper element with an inner surface surrounding the inner damper element, at least one sealing element provided between the outer surface and the inner surface, the sealing element confining a damper space having a circumferential film space defined by a clearance between the outer surface and the inner surface. The damper space contains fluid and is a closed, isolated damper space.

Abstract: In the gas disperser (3), a flow conditioning device (5, 6) is located in the inlet duct section (32). The flow conditioning device comprises a hole plate (5) and a flow straightener (6) positioned in parallel with and at a distance (h) in the axial direction (axd) from the downstream side of the hole plate (5). The hole plate (5) has a predefined hole plate thickness (tp) in the axial direction (axd) and each flow straightener (6) has a predefined flow straightener length (Is) in the axial direction (axd), the flow straightener length (Is) being substantially larger than the hole plate thickness (tp).

Abstract: The spray dryer comprises a spray drying chamber having a substantially cylindrical top section, a conical wall and a narrowed lower section. In the top section, atomizing means is provided. One or more cameras are associated with the drying chamber in order to monitor the process. At least one of the cameras is an infrared camera adapted for measuring the temperature within a predefined area.

Abstract: A dryer for drying a liquid feed into a powder comprises a drying chamber defined by a chamber wall including a bottom wall portion; a feed inlet for receiving the liquid feed and dispersing particulate feed into the drying chamber; at least one air inlet for entering drying air into the drying chamber; and at least one drying chamber outlet for dried powder and/or spend drying air from the drying chamber. The feed inlet comprises a decanter centrifuge with an axis of rotation; a first axial end; a second axial end; and a solid phase outlet at the first axial end.

Abstract: The powder drying system comprises a powder processing unit (1), and a filter unit (400) defining a central vertical axis (405) and including a filtering chamber (401) accommodating a plurality of bag filters (407), each having a bag filter wall and a top opening, a top portion (402), and an exhaust chamber (403) at or near the top portion (402). The filtering chamber (401) is provided with an inlet (410) configured to allow entry of powder carrying gas to be filtered, and the exhaust chamber (403) has an outlet (420) configured to allow exhaust of filtered gas. In the filtering chamber (401), gas flows through the wall of the bag filters (407), upwards and out through the top opening of the bag filters (407), into the exhaust chamber (403) and further to the outlet (420).

Abstract: The invention relates to a screw press apparatus (1) comprising an outer casing (2) surrounding a screening tube (6a) with a plurality of liquid discharge holes, a slurry inlet port (3) at one end of the screening tube and a solids discharge port (4) at an opposite end of the screening tube, the screening tube housing an axially located auger (5), the outer casing (2) having a first opening in fluid communication with the slurry inlet port (3), a second opening in fluid communication with the solids discharge port (4), and a third opening (8) in fluid communication with the liquid discharge holes of the screening tube (6), a cleaning device (20) located between the outer casing and the screening tube, a device (10) for axially moving the cleaning device.

Abstract: The invention relates to a sampling apparatus for use in explosive environments comprising particles of a mean size of up to 500 ?m, the sampling apparatus comprising a displaceable arm having a sample container, which displaceable arm has a first position where the sample container is inserted into a first zone for collecting a sample of particles into the sample container, and a second zone where the displaceable arm is outside the product stream, the second zone being contained in a housing with an opening for the displaceable arm. The sampling apparatus has an interface between the first and the second zone, which interface is selected from the list consisting of a closable member, a gate valve or an air knife. The invention also relates to a dryer comprising a drying chamber and a sampling apparatus of the invention. In a further aspect the invention relates to a method of estimating the flowability of a sample of organic particles.