Abstract: An energy storage device for storing electrical energy in the form of heat energy and a corresponding method for operating an energy storage device of this type. The energy storage device includes an electric heater for converting electrical energy into heat energy, a heat storage device for storing the heat energy of the electric heater, and a heat exchanger for emitting heat energy from the heat storage device. The heat storage device includes, at least, multiple metal rods arranged upright and serving to store heat energy from the electric heater; a base; and multiple supporting units. Each supporting unit supports one of the metal rods and is connected with the base.

Abstract: A method for cleaning tank melting furnaces for making glass items, provided with a melting chamber, which has a melting tank, to which a regeneration chamber is connected, of the type provided with at least one regenerator comprising a supporting structure for layers of refractory bricks, which are superimposed in a staggered arrangement so as to determine paths for the descent of the cooling exhaust gases that arrive from the melting chamber, the method consisting in sandblasting the exhaust gas descent paths and providing for the insertion of a delivery pipe for the delivery of an abrasive material through openings for access from the outside to the regeneration chamber and gradually into the exhaust gas descent paths.

Abstract: A regenerative chamber for a glass melting furnace having a defined cross-section and wherein the regenerative chamber includes multiple slotted arches and above the same there are disposed transfer layers, and wherein a grating is installed on the transfer layers. A movable flow barrier is provided above the slotted arches that is inserted from the outside into the regenerative chamber and by means of which the cross-section of the regenerative chamber can be reduced.

Abstract: A laser crystallization apparatus includes a laser generator that generates a laser beam, a stage mounted with an object substrate with an object thin film to which the laser beam is firstly incident, the stage is relatively movable such that the laser beam scans the object thin film for crystallization, and a reflection mirror that secondly reflects a second reflection laser beam to the object thin film from a first reflection laser beam that is reflected from the object thin film to the reflection mirror.

Abstract: A checker brick (10) with through passages for a hot blast stove has a top surface (12) and an opposite bottom surface (14) with a plurality of through passages (16) extending from the top surface (12) to the bottom surface (14). The through passages (16) allow fluids to circulate through the checker brick (10). Partition walls (18) are formed between neighboring through passages (16). The through passages (16) have a cross-section based on a hexagonal shape (20) with alternating convex (24) and concave sides (26).

Abstract: A regenerative thermal energy system includes a heat exchange reactor that includes a top entry portion, a lower entry portion, and a bottom discharge portion. The system also includes at least one fluid source coupled in flow communication with the at least one heat exchange reactor at the lower entry portion. The system also includes at least one cold particle storage source coupled in flow communication with the at least one heat exchange reactor at the top entry portion. The system further includes at least one thermal energy storage (TES) vessel coupled in flow communication with the heat exchange reactor at each of the bottom discharge portion and the top entry portion. The heat exchange reactor is configured to facilitate direct contact and counter-flow heat exchange between solid particles and a fluid.

Abstract: A heat exchanger system includes a first fluid layer defining a first flowpath for a gas, a second fluid layer defining a second flowpath for a liquid, a first vapor cycle layer located between the first fluid layer and the second fluid layer for enabling heat transfer between the first and second fluid layers, a first boundary wall defining a shared boundary between the first fluid layer and the first vapor cycle layer, and a second boundary wall defining a shared boundary between the second fluid layer and the first vapor cycle layer. The first vapor cycle layer includes a working medium configured to transfer heat through an evaporation and condensation cycle, and the working medium of the first vapor cycle layer is sealed between the first and second boundary walls.

Abstract: Ventilating system including a case mounted on a ceiling of a room, an inlet in a bottom surface of the case, and an outlet in a side surface of the case, a partition for dividing the case into an upper space, and a lower space, a fan in the upper space of the case, for drawing room air through the inlet, and discharging through the outlet, a filter assembly at the outlet for purifying air being discharged to the room, a first duct in communication with the upper space of the case for guiding outdoor air into the case, and a second duct in communication with the lower space of the case for guiding the room air introduced into the case to an outside of the room, thereby providing a ventilating system having an air purifying function.

Abstract: The annular recuperator for use with a microturbine includes an involuted shaped inner member with a portion thereof being corrugated and an involuted shaped outer member also with a portion thereof being corrugated and spaced therefrom to define a cell. The end portions of both the inner and outer members is planar and define a header for admitting and discharging the fluid flowing in the cell. The edges of the inner and outer members are sealed and an inlet and outlet are fluidly connected to the respective headers. The cells are circumferentially mounted side by side and abut each other but leaving sufficient space for another medium to flow through the space and be place in indirect heat exchange with the fluid flowing in the cell.

Abstract: A heat treatment equipment having a heating chamber having a plurality of regenerative combustors provided with direct-fired burner having a built-in porous regenerator, for applying a heat treatment to an object in the heating chamber, wherein the substantial average surface pore diameter is not uniform for porous regenerators in a plurality of direct-fired burners or a plurality of regenerative combustors. By making contrivances in the shape of porous regenerators of the direct-fired burners or the regenerative heat exchangers arranged in an area where substances causing choking tend to easily adhere to make it difficult for such substances to adhere or prevent choking phenomenon from becoming apparent.

Abstract: A gas inlet manifold for a plasma chamber having a perforated gas distribution plate suspended by a side wall comprising one or more sheets. The sheets preferably provide flexibility to alleviate stress in the gas distribution plate due to thermal expansion and contraction. In another aspect, the side wall provides thermal isolation between the gas distribution plate and other components of the chamber.

Abstract: Apparatus for recovering heat from a gas flow defines a heat transfer space through which the gas flow can be directed, the heat transfer space having a first region and a second region, a gas inlet and a gas outlet. A first valve arrangement alters the direction of gas flow through the heat transfer space, the first valve arrangement having a first condition in which the first region is upstream of the second region and a second condition in which the second region is upstream of the first region. First and second heat exchangers are disposed in the first and second regions respectively of the heat transfer space. A second valve arrangement connects each heat exchanger selectively either to a first heat transfer medium flow circuit or to a second heat transfer medium flow circuit.

Abstract: An air-to-air heat recovery system for use with a building ventilation system includes first and second heat exchange banks and at least one damper module. Each damper module includes a damper disposed within a substantially rectangular housing having first, second, third, and fourth ports. The first port is connected to the ventilation system exhaust line, the second port is connected to the ventilation system supply line, the third and fourth ports are connected to the first ends of the first and second heat exchange banks, respectively. The damper is periodically reciprocated between first and second positions, directing air flow between the first port and the third port and between the second port and the fourth port in the first position, and directing air flow between the first port and the fourth port and between the second port and the third port in the second position.

Abstract: The invention relates to a glassmaking furnace regenerator including a stack of several rows of refractory members defining a plurality of channels, characterized in that the stack comprises, in the hot gas flow direction, a first zone at the hot gas inlet, for rapidly cooling the hot gases, a second zone, or central zone, for condensing and trapping chemical species liable to generate dust, and a third zone, at the cooled gas outlet, for evacuating condensates, the rows of stacked refractory members constituting said central zone including at least two adjacent rows whose channels have a projected surface area at least 20% less than those of the channels of the first and third zones.

Abstract: An air-to-air heat recovery system for use with a building ventilation system includes first and second heat exchange banks and at least one damper module. Each damper module includes a damper disposed within a substantially rectangular housing having first, second, third, and fourth ports. The first port is connected to the ventilation system exhaust line, the second port is connected to the ventilation system supply line, the third and fourth ports are connected to the first ends of the first and second heat exchange banks, respectively. The damper is periodically reciprocated between first and second positions, directing air flow between the first port and the third port and between the second port and the fourth port in the first position, and directing air flow between the first port and the fourth port and between the second port and the third port in the second position.

Abstract: A heat exchanger for a regenerative thermal oxidizer is described which includes at least one heat exchange column provided with a multi-layer of packing material including at least one layer of randomly packed and specially shaped and sized particles, each particle being formed of a high temperature stable material and preferably having a cylindrical outer wall and internal reinforcing vanes extending from the cylindrical outer wall to the center of the particle, and at least one layer of structured monolithic media having a plurality of flow passages in the direction of gas flow through the column.

Abstract: Apparatus for recovering heat from a gas flow defines a heat transfer space through which the gas flow can be directed, the heat transfer space having a first region and a second region, a gas inlet and a gas outlet. A first valve arrangement alters the direction of gas flow through the heat transfer space, the first valve arrangement having a first condition in which the first region is upstream of the second region and a second condition in which the second region is upstream of the first region. First and second heat exchangers are disposed in the first and second regions respectively of the heat transfer space. A second valve arrangement connects each heat exchanger selectively either to a first heat transfer medium flow circuit or to a second heat transfer medium flow circuit.

Abstract: The present invention relates to one or more heat exchangers in communication with a combustion zone, each heat exchanger containing a matrix of heat exchange media, the matrix having a plurality of defined parallel or substantially parallel flow passages, the matrix being angled slightly above horizontal in the direction towards the combustion zone. The present invention is also directed to a regenerative thermal oxidizer including the one or more heat exchangers containing the angled matrix.