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Patent Searching and Data


Matches 551 - 600 out of 6,304

Document Document Title
WO/1990/001664A1
A method for drying wood, preferably sawn wood, in a wood-predrying chamber, characterized in that the wood, prior to being introduced into the drying chamber (1), is predried in a predrying chamber (8) with air which is taken from the a...  
WO/1990/000223A1
The invention concerns a method for the drying of a water-consuming material in a power-plant process. The water-containing material to be dried is introduced into a pressurized dryer (10) and thermal energy is supplied for the drying of...  
WO/1989/012536A1
This invention relates to an improved aggregate drying apparatus and method where the dried aggregate is particularly useful for making hot mix asphalt. In accordance with the system, heat typically lost in exhaust gases and moisture eva...  
WO/1989/011072A1
A process for low-emission drying of wood chips comprises a first drier (2), heated directly by a combustion chamber (3). Connected in series to this drier (2) is a second, indirectly heated drier (5), the exhaust air from which is recyc...  
WO/1989/008229A1
A method for drying and/or freezing granular and similar matter in a particle form, particularly organic materials. The granular material is subjected to a drying agent or refrigerant from below in a mainly vertical jet which helps to ke...  
WO/1988/009471A1
A plant for drying wood products comprises a house which defines a space for storing wood products. In this space, at least one internal combustion engine (6), such as a diesel engine, is adapted to receive the required combustion air di...  
WO/1988/003193A1
Procedure for drying a moving web material (E), wherein on the material (E) to be dried is directed infrared radiation, and wherein the moving web material is transported through the radiation zone of an infrared radiator, the web materi...  
WO/1988/002093A1
Several components relating to a heating apparatus which preferably are used in conjunction with each other in an apparatus for heating solid granular or particulate material, such as aggregate used to make asphalt concrete. One componen...  
WO/1988/002090A1
The installation comprises a casing (1) in which internal and external tubes (2 and 4) are mounted concentrically in relation to each other. The lower end faces of the tubes (2 and 4) are connected, by means of a flange (15), to a disc f...  
WO/1988/000678A1
A process and a device for drying ceramic hollow bodies (1). The drying energy is supplied by a radiant heating device (21). During the drying process, an air current (19) conditioned according to temperature and humidity is directed mai...  
WO/1987/007937A1
The apparatus for carrying out the process comprises a pre-drier of continuous or batch-type operation, further a series of aerable grain sections receiving the pre-dried grain, wherein the grain can be dried to an end-moisture enabling ...  
WO/1987/007362A1
Process for producing dry metal chips by entraining fluid-containing metal chips (11) in a gas, introducing the gas into a cyclone separator (52) having an internal wall (54) heated to fluid-vaporizing temperature by combustion in a surr...  
WO/1987/006284A1
Process and system for drying paper webs produced continuously in paper machines, using process steam obtained by means of a dual-material compression heat-pump with a solution circuit. A portion of the thermal energy required for the dr...  
WO/1987/006321A1
A pulse combustion energy system including a pulse combustor (28) coupled to a processing tube (32) for flowing material to be processed therethrough, the processing tube being coupled to a pair of cyclone collectors (52, 56) for receivi...  
WO/1987/004779A1
In the vacuum drying of solid wood (2) and other wood-based products, the invention provides a method of achieving a better control of the drying process and a better heat economy than by the traditional methods of vacuum drying. This is...  
WO/1987/003077A1
An apparatus and process for rapidly removing organic components from films. The apparatus comprises a heating chamber (13) having one or more heating elements (68). A pair of spaced-apart electrodes (76, 11) are provided for establishin...  
WO/1987/000765A1
An aqueous clay slurry (7) is partially dewatered by filtration to remove a first portion of water therefrom which is collected as the filtrate (71). The partially dewatered clay slurry (9) is then contacted with a hot drying gas (25) in...  
WO/1987/000610A1
An infrared heating apparatus and a method for drying moisture-bearing material. The apparatus comprises a hood (72) having an open end (72') facing one side of the moisture bearing material (11), source (76) in the hood for directing in...  
WO/1987/000446A1
A beneficiated kaolin clay slurry is concentrated from a solids content of about 50% to 60% by weight to a solids content of at least 65% by weight by evaporating water therefrom by passing the aqueus clay slurry through one or more non-...  
WO/1986/006746A1
Methods and apparatus for particularly dehydrating products such as corn syrups, fruit and vegetable extracts, dairy products or other temperature sensitive or hard to handle products. The methods and apparatus include using a pulse comb...  
WO/1986/005575A1
Process for and arrangement for a process to enable a cooling cycle to switch to two or several pairwise different temperature ranges for the evaporator-condenser, also with different temperature spans in between, whereby a programme con...  
WO/1986/004478A1
Industrial oven to receive an electric heating system, in which at least two bars (28) are made of temperature-resistant material, these being located at a distance from one another and at a distance from the side-walls (12), and to rece...  
WO/1986/002149A1
A dryer includes a rotating drum (14) having an inlet (14A) and an outlet (14B). A blower (15) withdraws air from the outlet. A heat pump has an evaporator (17) and condenser (25) interconnected by a compressor (26) and an expansion valv...  
WO/1985/005013A1
Freshly cut green-chopped alfalfa is fed into an elongated lightproof dryer (5), conveyed on successively slower moving perforated conveyor belts (11) in successively thicker layers through successive regions through which decreasing amo...  
WO/1985/004001A1
A closed intermittent process for drying a moist material, in which process gas is circulated internally for transporting vapour formation heat and water vapour out of the material, said water vapour being condensed from a cooled mixture...  
WO/1985/003732A1
Electric conductors wound in bobbins (4, 5) are arranged in a housing (1). The axes of the bobbins (4, 5) are perpendicular to the bottom of the housing. Each bobbin (4, 5) is connected to a capacitor (2, 3) so as to form oscillatory cir...  
WO/1985/001098A1
A high-temperature, rapid-cycle pin oven for the curing of coatings on hollow container components, includes an oven unit (2) whose housing (14) is divided into three compartments interconnected by internal explosion relief panels (136, ...  
WO/1984/003935A1
A plant for heat treating animal or vegetable material comprises apparatuses for two-stage or multi-stage heat treatment. A heat medium which is used in a second heat treatment apparatus (2), which follows a first heat treatment apparatu...  
WO/1984/002391A1
A flame intensity controller for controlling the air/gas mixture introduced into a conveying and/or mixing tube (24). Plural heating arrays (106, 108, 110, 112) are transversely aligned to the direction of movement to dry the moving web ...  
WO/1984/001021A1
A combined oven and fume incinerator having an enclosed housing (1). A combustion chamber (31) serving as a heat source and fume incinerator is connected by a heat recovery air duct (32) to various process zones (15-20) which in turn ope...  
WO/1984/001020A1
The cost of preserving and transporting food is minimized, to the end that food may be made more widely available. A trailer (10), movable by a small vehicle, houses a completely self-contained food dehydration plant which can be towed t...  
WO/1983/003042A1
A method for the manufacturing of fish meal and similar products in a plant comprising an indirectly heated dryer, i.e. a dryer designed with a non-permeable wall or heat exchange surface separating the heating medium and the matters to ...  
WO/1983/002568A1
Apparatus for treating a slurry of cuttings in an oil base oil well drilling fluid, such as is typically used in drilling production wells. The cuttings having a coating of hydrocarbon substances after treatment in the apparatus are suff...  
WO/1983/002312A1
Heat treatment machine by means of hot air of a row of objects (3) in longitudinal displacement. In the hot air circuit and through an exchanger (14), preheated air is provided through a supply valve (17) and used air is evacuated throug...  
WO/1983/000547A1
Method for drying damp material by vapor recompression. The vapor (8) released by the damp material (4) circulating on the heating elements (2) of a vertical dryer is recompressed by means of a motor-compressor (9) so as to provide the h...  
WO/1982/003681A1
Oven comprised of, besides the heating and circulation unit, a sheet metal tunnel (1) of tube radiators (3) arranged at the bottom and at the roof, primary lines for oil circulation (7 and 8), secondary pipes and regulation apparatuses. ...  
WO/1982/002939A1
To reduce the heat losses in a drying plant for solid bodies, wherein the steam (1) conveys the heat and releases wet evacuation air (6) at temperatures higher than approximately 65 C, the wet air (6) and the condensation water (4) are c...  
WO/1982/001239A1
The specification describes arrangements in which the attemperation or control of the temperature of a fluidised bed (13) in a fluidised bed combustion unit (10) effected by means of the mixture of a variable proportion of inert gas with...  
WO/1982/001062A1
Apparatus for high-efficiency drying of material includes a vacuum drying chamber (40) maintained at a low pressure by a vacuum pump (56). Material to be dried is introduced to the drying chamber through an air lock valve (36) and is tra...  
WO/1982/001060A1
A perforated drum (10) serves as a drying chamber into which moist particles are loaded. The drum is rotated about a horizontal axis to tumble the particles. Sonic energy and hot pulsating gas from a pulse jet engine (21) are supplied to...  
WO/1982/001061A1
A fluid bed dryer includes a tank (15) with an upright wall (16), a top (19), and a floor (17) which rotates under a plurality of blades (64) adjacent the floor and fixed to an inner annular baffle (18). A gas manifold (20) is defined be...  
WO/1981/003695A1
In course of the process air or a gaseous medium is used in an open or in a closed system, by the aid of which the moisture content of the material to be dried is extracted. The drying medium is brought into contact with the humidity abs...  
WO/1981/001949A1
Sport shoe (1, 30, 50) provided with a cuff means (3, 52) and means (17, 57, 58, 70, 71) responsive to forward lean coupled to said cuff means (3, 52) for tightening said cuff means (3, 52) about a leg enclosed thereby. In one embodiment...  
WO/1981/001376A1
The device comprises a heating element connected to a voltage source and mounted inside a casing (1), that heating element being shaped as a rod (2) made of "selite" and connected to the voltage source by one of its ends (3) whereas anot...  
WO/1981/000448A1
In a drying room, especially for painting cars, there is an endless piping system (25) through which a predetermined quantity of air is circulated and is kept heated by means of a preheater (19). The heated pipes give off heat to the roo...  
WO/1980/002692A1
Apparatus and process for drying and/or heating materials. This invention was designed for use in the production of charcoal from wood feed material; however, it can be used to heat and/or dry many types of materials. Feed material is di...  
WO/1980/002452A1
Burner (12) in which a mixture of powdered fuel and a flow of oxygen-containing gas is supplied by a duct (2) and ignited by a burner (6) at the outlet (3). A violent turbulent motion is created in the burning flow of fuel and gas by pos...  
WO/1980/001716A1
Process and apparatus for drying wet solid material. The process comprises introducing wet solid material into a dryer and into contact with one side of a plurality of heated surfaces and vaporizing liquid contained therein, withdrawing ...  
WO/1980/001407A1
A process for disposing of sewage sludge wherein wet sludge is mixed with partially dried sludge and is fed into a direct fired mill (4). The sludge is flash dried by hot gas flow from conduit (14). The gas-sludge mixture is separated fo...  
WO/1980/001246A1
Spray drying apparatus wherein circumferentially spaced apart exhaust pipes (22) of three L-shaped pulse jet engines (12) extend upwardly into the floor (24) of a cylindrical drying chamber (14). The engines (12) extend radially outward ...  

Matches 551 - 600 out of 6,304