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WO/1991/013698A1 |
Process and apparatus for near-zero discharge soil remediation, preferably in conjunction with an asphalt plant, comprising heating soil contaminated with up to about 30,000 ppm light hydrocarbons in an inclined, axially-fired rotating s...
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WO/1991/007631A1 |
In an apparatus for continuous heat treatment, a mechanically fluidized stream of material consisting preferably of a granular or highly viscous material is heated in a rotating chamber in co-current with heat energy originating from a b...
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WO/1991/002702A1 |
Because of their noxious impurities, it is only in exceptional cases that sludges may be used on fields as fertilisers or ground improvers; they must rather be burned or at least almost completely dried. In the preferably indirect drying...
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WO/1990/012250A1 |
This invention relates to a drying and combustion apparatus of high moisture content solid inflammable matters which includes a hopper (20) for storing high moisture content solid inflammable matters, a dryer (1) for drying the high mois...
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WO/1990/005209A1 |
The installation has a binary compression heat pump (10) exposed, on the low pressure side, to the heat energy extracted from the drying air. On the high pressure side, this heat energy is used to convert feed water to process steam for ...
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WO/1990/004702A1 |
A process for generating electrical energy and/or drying and process heat uses the heat of combustion of fossil fuels (5) which have dried prior to combustion in an indirectly heated fluidized bed drier (4). The carrier medium for the fl...
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WO/1990/003888A1 |
In a compact drying element for use in the drying section of a printer, hot blown air is produced in that a heating tube (48) is heated from the outside by an infrared radiator (66) extending parallel to said heating tube. The hot blown ...
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WO/1990/002303A1 |
Process for concentrating sludge-like substances, in particular faecal matter, using an electrically heated pipe (6) as a drying device for the substances, which are conveyed through the pipe (6) by means of rotating helices (8, 9).
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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-...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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, ...
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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...
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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 ...
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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...
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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...
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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 ...
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WO/1983/002996A1 |
A drying apparatus in which slot array antennas connected to a microwave generator by waveguides are provided in a vacuum drying tank, and the interiors of the waveguides on the microwave generator side are maintained at atmospheric pres...
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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...
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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...
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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...
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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. ...
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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...
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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...
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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...
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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...
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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...
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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...
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