Abstract: A recuperator for furnaces includes a set of tubes, which are installed in a secondary chamber (1) which is located behind a main combustion chamber of the furnace and through which hot fumes can pass from the main combustion chamber towards an outlet. The task of the tubes is to recuperate thermal energy from the fumes by bringing a combustion gas to pass through the tubes on its way to burners in the main combustion chamber. The different tubes of the tube set are designed as individual units (8) each one of which is removably inserted in the secondary chamber (1) through holes in the walls (4) thereof. In the mounted condition each tube has a closed portion projecting into the secondary chamber as well as a portion projecting from the outside of the walls of the secondary chamber, the latter portion having inlets and outlets for cold and preheated combustion gas respectively.

Abstract: A heat ejection device is disclosed for a heating system. The heat ejection device is adapted to mix ambient air from an interior with bleed air from a heat source. The heat ejection device includes a housing with an inner passage, an inlet and an outlet. The inlet is adapted to channel ambient air into the housing. The outlet is adapted to channel mixed heated and ambient air out of the housing. A dispenser is located in the housing between the housing inlet and outlet and includes an inner chamber which is adapted to receive heated air from a bleed line. The dispenser has a plurality of apertures formed in it which permit air to flow from the inner chamber into the inner passage for mixing with ambient air to form a flow of mixed air. An acoustically absorptive inlet liner is mounted on an inner surface of the housing at the housing inlet. The absorptive inlet liner is adapted to direct ambient air past the dispenser to minimize turbulence and absorb noise.

Abstract: A coal-burning utility electrical power generation plant includes a mill pulverizing coal and supplying same to a boiler for combustion. The boiler has a bottom ash hopper for receiving combustion products including clinkers, and a clinker grinder for grinding the clinkers. The clinker grinder includes a rotary drum in a grinding chamber and having grinding teeth and driven by a rotary shaft extending through a stuffing box assembly. The stuffing box assembly has a flushing fitting for supplying flushing fluid thereto and along the shaft and into the grinding chamber. A seal permits flushing fluid flow from the flushing fitting into the grinding chamber, and blocks reverse flow. Long life is provided without a grease fitting, and leakage is substantially reduced.

Abstract: A method and device effect controlled uniform temperature drying of a wet web, such as a paper web substantially immediately after formation in a paper machine, without damaging the supporting fabric carrying the web. The web has a central region and first and second border regions. The wet web to be dried is conveyed on a conventional supporting fabric/wire in a first direction generally parallel to the web border regions, and in a hood drying air is blown against the web from the opposite side thereof as the supporting fabric so that the drying air picks up moisture and becomes moistened air. The moistened air is discharged from the volume adjacent the hood, for example is discharged from at least one hood positioned at and encompassing an impingement surface over which the web and supporting fabric pass. Air supplied for blowing against the web is heated to raise its ability to retain moisture.

Abstract: A method of operating a pulverized coal-firing furnace is provided which includes injecting air from an upper compartment generally in opposition to a swirling fireball. The method also provides the step of sensing a temperature characteristic of one side of a convection pass of the furnace. The sensed value, in accordance with the method of the present invention, is then evaluated to determine if the sensed value of the temperature characteristic exceeds an allowable value. In response to a determination that the temperature characteristic exceeds the allowable value, the momentum of the air injected through the upper air compartment is changed. After the step of changing the momentum of the air injected through the upper air compartment, the temperature characteristic of the one convection pass location is sensed to obtain a post adjustment value of the temperature characteristic and compared to an allowable value.

Abstract: A method [and an apparatus are] is disclosed for detecting an occurrence of a liquid dry condition in a container containing a liquefied compressed gas while the gaseous phase of the liquefied compressed gas is being removed from the container over time. The [apparatus includes] method uses a first sensor, a second sensor, and a computer, preferably a programmed logic controller (PLC). The first sensor senses temperature (T) inside the container and provides a signal indicative thereof. The second sensor senses pressure (P) inside the container and provides a signal indicative thereof. The computer receives signals from the first and second sensors, and determines the rates of change in the pressure (dP/dt) and the temperature (dT/dt) inside the container over time.

Abstract: A device for ventilating a side window of a motor vehicle, especially an automobile, has an air guide channel that is located in a vehicle door or other side component that contains the side window near a lower area of the side window. Air outlets of the guide channel are directed at the side window and are located in an area that faces the inside window. The ventilating device is made, especially in areas visible to vehicle occupants, in a suitable visual design. The air guide channel is formed in a separate channel part that is mounted on the vehicle side component and which contains air outlets that terminate in the vicinity of a gap formed between the vehicle side component and the side window.

Abstract: A portable sport equipment bag having an air distributor is connected with a hose to blower and ozone generator operable to move air and ozone under pressure into the air distributor. The air distributor has one or more manifolds located within the bag. The manifolds have a plurality of holes to allow air and ozone in the manifolds to flow into the bag to dry sport equipment and objects within the bag and destroy bacteria, molds and fungus in the bag. One or more air filters mounted on the bag remove odors and foreign matter from the air flow from the bag into the environment adjacent the bag.

Abstract: The present invention relates to the dryer section of a paper machine consisting of a number dryer groups having dryer cylinders and one reversal role between each two dryers within a dryer group. The dryer section may have top felted or bottom felted dryer groups. A differential pressure box may be placed between the dryer cylinders and above the reversal roles in a top-felted dryer group and between the dryer cylinders and below reversal roles in a bottom felted dryer group. Between dryer groups the transfer between top felted dryer groups can occur with either an open or closed draw. The transfer between a top felted dryer group and a bottom felted dryer group occurs with an open draw. The size of the draw can be adjustable by making one or both of the guide rolls at the transfer moveable.

Abstract: An apparatus for drying and smoothing a fibre web between two tight bands that move in parallel and run around turning rolls, the first band being heated with hot steam and the second band being cooled with water, and the fibre web being conducted through the drying zone that the bands define together with at least one felt or wire such that the fibre web is in contact with the surface of the first, heated band and that the felt or wire is between the fibre web and the second, cooled band. The apparatus and method further comprise spreading the fibre web in its transverse direction before it is led into the drying apparatus.

Abstract: The present invention relates to a process for the sub-critical drying of a lyogel to form an aerogel, in which the lyogel is treated with a heat-conveying fluid at a temperature above the boiling point of the pore liquid of the lyogel under system pressure and the dried aerogel is then separated from the heat-conveying fluid.

Abstract: The present invention provides a flow rate regulation apparatus capable of accurately measuring the flow velocity of air flowing through an exhaust duct and carrying out a flow rate regulation with high precision, though said exhaust duct may be short in length. The flow rate regulation apparatus according to the present invention comprises a means for regulating the sectional area of a passage in an exhaust duct, where the passage is formed at the center of said exhaust duct and said passage is shaped to be symmetrical with respect to the center axis AX of said exhaust duct as a basis. Since the passage formed in the exhaust duct by the passage sectional area regulation means is shaped so as to be symmetrical, no turbulence takes place in an air current flowing along the center axis AX of the exhaust duct. Flow velocity can be accurately determined and maintained by using air velocity measurements along the center axis.

Abstract: A combination gas drying and reservoir apparatus includes a reservoir, a membrane dryer disposed inside the reservoir and a control scheme that reduces the amount of gas lost as sweep gas from the dryer. The reservoir has an inlet flange that receives moisture laden gas from a compressor, an outlet flange from which dried gas discharges to a pneumatic system and a purge flange. The dryer includes a vessel encasing a membrane unit between its inlet and outlet ends. A purge port of the vessel communicates with the purge flange to form a purge channel. The inlet end of the vessel is connected to the inlet flange from which it receives the moisture laden gas. The moisture laden gas then flows into the membrane unit. Sweep gas that has permeated through membranes flows from a sweep space defined between the vessel and the membrane unit to the purge channel. Dried gas flows out of the membrane unit through the outlet end of the vessel into the reservoir.

Abstract: Medicinal plants are dried by applying microwave power to plant materials in a chamber under reduced pressure to reduce the moisture content of the plant materials without significantly reducing (oxidizing) the concentration of active medicinal component in the dried plant materials and thereby produce a dried medicinal plant product which more closely approaches the medicinal properties of the fresh plant than those of dried products produced by conventional air drying processes.

Abstract: A system and method for providing conditioned air to a yarn traveling on a textile machine includes an air conditioning unit local to said textile machine and configured to receive input air and to condition the air to a first desired relative humidity. An air delivery conduit is in communication with the air conditioning unit and conveys the conditioned air therefrom. A diffuser is in communication with the delivery conduit so that the conditioned air flows into the diffuser. The diffuser defines a nonuniform opening so that the conditioned air leaves the diffuser in a turbulent flow. The opening is disposed at a predetermined distance from the yarn so that an air mixture, comprising the turbulent conditioned air and ambient air drawn into the turbulent flow, has a second desired relative humidity upon reaching the yarn.

Abstract: The invention concerns a dryer-section concept of a paper/board machine and a method in the drying of a paper/board web (W). The dryer section comprises a number of drying cylinder groups (R.sub.I . . . R.sub.N), which comprise a single-wire draw, on whose support the web (W) is guided so that it meanders as loop-shaped from a drying cylinder onto a suction cylinder. The web (W)/the wire (H) is guided so that the web is placed against the face of the drying cylinder and the wire is placed outside. In the dryer-section concept, the web (W) is passed from one drying cylinder group (R.sub.I) into the next dryer group (R.sub.II) and further. According to the invention, at least some of the drying cylinders (K'.sub.1, K'.sub.2, K'.sub.

Abstract: There are disclosed a method and an apparatus for drying a flat object. At least one flat object, whose surface is covered entirely with adhering water, is placed substantially vertically in at least one groove portion formed in a rack. The rack has a cavity portion formed therein, and the cavity portion communicates with the groove portion through at least one opening. The cavity portion of the rack is depressurized in order to suck water adhering to the surface of the flat object through the opening, thereby drying the flat object. It becomes possible to dry the flat object without causing problems which have been occurred in conventional drying methods.

Abstract: A control module for a twin air dryer system monitors which dryer was used for drying in the previous cycle. The most recently used dryer is then the first to be regenerated. This ensures that the most recently regenerated dryer is used to dry incoming air. This occurs regardless of the drying mode, i.e., whether it is high air use or normal brake system use. The system minimizes the risk of dryer saturation and loss of function. Moreover, maintenance requirements are simplified, since the air dryer cartridges are more evenly used.

Abstract: The field of the invention is food drying apparatus and methods. In particular, the invention discloses a rotary dryer which dries food granules, such as rice, by rotation within a perforated cylindrical barrel, to prepare the rice for packaging. The dryer provides high velocity drying zones along its length, and high temperatures may be used.

Abstract: An apparatus for drying and storing an article, such as a baby bottle, after washing and rinsing includes a tray having a bottom face that is adapted to be supported by an underlying surface such as a counter-top, and an upper face. A plurality of pegs extend out from the upper face, and each peg is sized and arranged so as to be able to support an article, such as a baby bottle, after washing and rinsing. Each peg is mounted to the tray in such a manner as to be movable between a first storage position, wherein the entire peg is positioned relatively close to the upper face for storage and packaging, and a second, operative position. This permits the apparatus to be conveniently folded for packaging and storage purposes. Another aspect of the apparatus involves disk holding structure, connected to the upper face of the tray, for holding baby bottle disks in a location that is isolated from areas of the tray in which liquid may collect.