Abstract: A wall-mounted hand dryer provides a heated pulsating or modulating air stream to break down a boundary layer of moisture on a user's hands to reduce the drying time. The hand dryer accomplishes this by quickly generating a heated air stream at a maximum temperature that is tolerable to the user, increasing the air stream velocity and turbulence to blow off loose water droplets and break down the boundary layer disposed on the user's hands. The hand dryer includes a blower, heater, a modulator and/or a turbulator for blowing heated air through an air duct. The modulator and turbulator break up the laminar flow of the air stream to provide a modulating or pulsating turbulent flow of air to retard the formation of the boundary layer and dry the hands quickly. The hand dryer further includes an infrared heating source for heating the surface of a user's hands to replace the heat lost as a result of the evaporation of the water from the user's hands.

Abstract: A screen drum design is known whose drum jacket consists of axially extending sheet metal strips whose widths extend in the radial direction. These sheet metal strips must be permanently attached to the end bottoms to produce the drum jacket. According to the invention, this connection is made movable. For this purpose, a connecting element (17) is provided that consists of one or two connecting arms (18, 19) connected with one another so that they are pivotable with respect to one another, said arms being connected, with articulation at their free ends, with either sheet metal strips (13) or a centering ring (29) for the sheet metal strips, or with bottoms (11, 12) that are located at a distance from the ends of sheet metal strips (13) and/or centering ring (29). In this way, movement of the drum jacket relative to bottoms (11, 12) is always possible to compensate for dimensional changes resulting from temperature fluctuations.

Abstract: When an IPA is fed to a nozzle, a flow of the IPA passing through holes is generated. The flow becomes film-shaped and goes downward along an inner surface of a side wall of a processing vessel. Then, the flow is collected by a liquid receiving section formed in a lower portion of the processing vessel and discharged to an outside. The inner surface of the side wall of the processing vessel is covered with the flow of the IPA. Therefore, an IPA vapor can be prevented from condensing uselessly on the inner surface. As a result, the IPA vapor is effectively utilized for condensation on a surface of the object to be processed which is mounted on a pan. Thus, the defective dryness of the object can be prevented.

Abstract: The bulk material cooler/dryer apparatus of the present invention utilizes an oscillating spreader assembly in conjunction with a reciprocating discharge grate structure to achieve uniform distribution of in-flowing bulk material within a main processing chamber and also to achieve uniform and efficient discharge of the material from the chamber once processing is complete. This uniform distribution of bulk material within the processing chamber is accomplished via a spreader assembly which is mounted to the top of the chamber and which moves along two orthogonal axes. Motion with respect to each of the axes is facilitated by a pair of linear actuators, the actions of which are controlled so as to cause the stream of in-flowing material that is issued therefrom to oscillate in a sinusoidal type pattern when observed from a point above the spreader assembly.

Abstract: In a vapor drying system, solvents such as isopropyl alcohol (IPA) are boiled and condensed to provide a means of removing water and other contamination from process parts loaded into the equipment. The parts enter the apparatus via an automated lift assembly. Upon entering the vapor zone, solvent condenses on the parts and fixtures due to a temperature differential, displacing the contaminants. This condensate/contaminant waste stream gravity drains to a buffer tank below via a sloped, temperature-controlled drip tray. After vapor condensation on the parts ceases, drying is accomplished using superheated vapors formed in a stabilized zone generated by one or more offset boil sumps and separate vapor heat exchangers. Any liquid solvent remaining on the parts is flash-dried in the vapor zone, so that parts emerge clean and dry. The invention incorporates a computer-implemented PLC to control process parameters, cover mechanism, transport mechanism, safety features during operating, idle and standby conditions.

Abstract: A stationary drying rack of the present invention is used in a clothes dryer for drying articles of clothing which cannot be tumbled by the dryer. The stationary rack is capable of using the electronic control drying circuitry of the dryer by making electrical contact with the sensor bars of the dryer and providing additional sets of sensor bars disposed on the drying rack. As a result, the sensor bars on the drying rack are electrically connected to the sensor bars on the dryer.

Abstract: A method of drying a fiber web in a paper-making machine includes the step of providing a heated dryer roll which carries the fiber web. The dryer roll has a shell consisting essentially of compacted graphite cast iron. The dryer roll is rotated such that the dryer roll has a peripheral speed which is greater than approximately 6000 feet per minute.

Abstract: A nozzle, for use with a power air blower or the like, to direct a high velocity sheet of air onto a surface, such as that of a motor vehicle's body, in order to displace water or other loose matter from the surface. The nozzle includes a longitudinal air outlet gap which produces a high velocity sheet of air to be directed by the operator onto a surface, in order to displace water or other loose matter therefrom.

Abstract: Apparatus for drying coated web material and preferably moving web material comprises a nozzle, means for supplying air to the nozzle and means to distribute the air through said nozzle substantially uniformly across the web width, said nozzle arcing from a position perpendicular with respect to the plane of the web to a position substantially parallel with respect to the plane of the web, said nozzle having an exit slot wherein the air is discharged from the exit slot at an angle of between 1.degree. and 45.degree. with respect to the plane of the web.

Abstract: A green wood treating process for treating wood in a green stage prior to curing for preventing or minimizing staining of the wood. The process includes the heating of green wood in a heating enclosure (30, 40) within a maximum time period after felling or cutting of the tree forming the wood while maintaining the moisture content in the wood after the tree is felled without any appreciable loss of moisture. After the logs are cut into lumber, the lumber is placed in bundles in the heating enclosure for heating preferably by steam within a predetermined time period. The wood is heated in the enclosure to a temperature over 120 F. for a predetermined time period generally over about two hours and sufficient to provide a generally uniform heating of the lumber. After heating of the wood to a predetermined temperature, a cooling fluid having a temperature substantially less than the temperature of the heating enclosure is applied to the heated wood for a predetermined time period.

Abstract: A shuttle valve for a gas drying system that cleans and dries a stream of unpurified pressurized gas received from a source thereof and supplied to a pneumatic system that uses such a purified pressurized air. The valve includes a housing that connects a drying assembly to a structure that conveys the unpurified pressurized air to the drying assembly. The housing contains a choke disc provided with an orifice and a movable piston located in axial alignment with the choke disc. When the unpurified pressurized air is directed into the drying assembly for drying, the piston moves away from the choke disc to permit dry air to freely flow from the drying assembly and through the valve to the system utilizing purified pressurized air.

Abstract: A machine for drying a continuous web is provided. At least one drying cylinder around which the web is dried is provided. The cylinder includes a sleeve which transfers heat from steam in the cylinder to an outer surface which contacts the web. The sleeve includes, on an inner periphery thereof, circumferential grooves separated from each another by ribs. At least one of the grooves has a width at its radial outer end which is wider than a width at its mouth at a radial inner end. At least one of the ribs has a width at its radial outer end which is smaller a width at its radial inner end.

Abstract: Described is a through-flow cup which can be filled with a granule material and through which a liquid to be treated can flow, having side walls and sieves which are disposed at the ends thereof and by means of which the liquid can flow through the granule material in the interior of the through-flow cup and the granule material is substantially non-losably held.To improve such a through-flow cup to the effect that the incoming flow of liquid and at the same time any discharge flow of gases are offered the lowest possible level of resistance, it is provided in accordance with the invention that at least one sieve has a flat textile article in which plastic fibres of at least two different kinds are connected together to form a hybrid, wherein the one kind of plastic fibres contains hydrophilic components and the other kind of plastic fibres contains hydrophobic components.

Abstract: This invention relates to a vacuum processing apparatus having vacuum processing chambers the insides of which must be dry cleaned, and to a method of operating such an apparatus. When the vacuum processing chambers are dry-cleaned, dummy substrates are transferred into the vacuum processing chamber by substrates conveyor means from dummy substrate storage means which is disposed in the air atmosphere together with storage means for storing substrates to be processed, and the inside of the vacuum processing chamber is dry-cleaned by generating a plasma. The dummy substrate is returned to the dummy substrate storage means after dry cleaning is completed. Accordingly, any specific mechanism for only the cleaning purpose is not necessary and the construction of the apparatus can be made simple.

Abstract: The present invention provides novel processes for the dewatering of a wide variety of solid-liquid matrices, including primary and secondary sludge, which involve the simultaneous application of pressure and heat to the solid-liquid matrices.

Abstract: The invention is directed to a process and apparatus for drying a slurry, particularly a sludge, such as sewage sludge, in which a sludge mixture of recycled dried sludge and wet sludge is fed to a drier. The quantity of wet sludge or recycled dried sludge supplied to the drier is controlled based upon drier inlet temperature. In this way, the evaporation rate of the drier is kept substantially constant.

Abstract: To provide uniform treatment criteria over the entire surface of a material web (10) in the region of a drying chamber (11), the treatment air or intake air is directed onto the material web (10) from above and below by means of slot nozzles (19, 24) from nozzle boxes (17, 18). The return air reflected from the material web (10) is conducted away upwards and downwards via return-flow ducts (25, 26) in the nozzle boxes (17, 18) into a collection space (34), on the one hand, and a return-air space (35), on the other hand.). The return air is conveyed upwards from the lower return-air space (35) through return-flow shafts (36, 37) into the region of the upper collection space (34).

Abstract: The present invention is related to a method of treating a material web in a paper or paperboard machine, in which method the moving web is treated with a gas, particularly with steam. At least one supplementary treatment agent is dosed into the stream of said gas and effected to travel along with said gas toward said material web. The invention also concerns an apparatus suited to implement the method.

Abstract: An apparatus for cleaning and chemical activation of a plurality of plate lug surfaces. The apparatus includes an ultrasonically-stirred flux vessel, an ultrasonically-stirred rinsing water vessel and a gas-blowing device contained inside a dirt collection vessel. Each vessel has an independent movement capability in the upward or downward directions, and all three vessels are mounted on a common supporting frame which allows their simultaneous horizontal displacement. When coupled to a conventional cast-on-strap machine, the apparatus allows the manufacture of pore-free cast-on-strap joints for lead-acid batteries.

Abstract: In a process and apparatus for drying small articles in a process container, such as closure elements of pharmaceutical vessels after a treatment of the closure elements, an air-permeable support is arranged beneath the articles to support them and prepared preheated air is fed to the interior of the process container and through the support to dry the articles while they are resting on the support. An additional air mass flow is at least once briefly passed under the support during the drying operation, to lift and thereby turn the small articles to ensure at least substantially complete drying thereof.