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WO/2001/077600A1 |
The invention relates to a cooler (1) and a method for cooling hot bulk material (2). The hot bulk material is charged onto a stationary aeration bottom (3) that can be flown through by cooling gas and is transported by means of conveyin...
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WO/2001/040523A1 |
The present invention relates to an apparatus and a process to extract heat and to solidify molten material particles. A flow of molten material is traversed by a high pressure dispersing/cooling flow to form particles of molten or semi-...
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WO/2001/025494A1 |
A method and apparatus for forming iron carbide from a heated product stream of direct reduced iron (DRI). The apparatus includes a rotary cooler positioned immediately downstream from a rotary kiln such that the rotary cooler receives t...
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WO/2001/014598A1 |
A method and apparatus for simultaneously supplying varying proportions of hot and cold direct reduced iron (DRI) material from a source of hot DRI for melting, storage, briquetting or transport. The system uses gravity to transport hot ...
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WO/2000/073723A1 |
A heat exchange device for treating particulate material such as cement raw materials, cement clinker or similar materials, is described which heat exchange device comprises a grate surface for supporting the material and which has means...
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WO/2000/053539A1 |
A method for treating a stainless steel refining slag which comprises treating a slag generated in a refining process for stainless steel so as for the slag to have a basicity of 1.3 to 4.0 and then mixing the slag in molten state with a...
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WO/2000/053818A1 |
A combined cooling device and magnetic separator for cooling a heated product stream and removing a magnetic material from the product stream is useful in the production of direct reduced iron (DRI). The combined cooling device and magne...
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WO/2000/031483A1 |
A cooler (1) is disclosed for cooling particulate material which has been heat-treated in an industrial kiln such as a rotary kiln (3) for manufacturing cement clinker. The cooler has an inlet end (4), an outlet end (5), end walls (6, 7)...
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WO/2000/030945A1 |
A collapsible container comprises a mainly rectangular base frame (5), four side sections (1, 2, 3, 4) pivotally connected to each their respective side of the four sides of the base frame (5), and a top wall (6). The top wall (6) is for...
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WO/2000/022175A1 |
A sytem for discharging cold product or cold and hot products from a continuous supply of hot direct reduced iron ('DRI') comprising a product cooler (12) connected to a shaft furnace (10), with downward movement of the hot DRI and upwar...
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WO/1999/050600A1 |
An ash melting furnace capable of a high-efficiency, stable operation and accommodating load variations, which is used for mixed melting for heating and melting main ash and flying ash as burned ash simultaneously, characterized in that ...
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WO/1999/044001A1 |
The invention concerns a plate globally shaped like an upturned caisson with a bearing surface (10) for supporting and driving forward a bulk material layer to be cooled with a cooling gas passing through the plate. The plate front part ...
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WO/1998/051286A1 |
Use of an odorant is provided for alleviating the symptoms of a migraine or other form of headache. Also provided is a method for preventing or reducing the symptoms and/or duration of a migraine or other headache through the administrat...
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WO/1998/048231A1 |
A cooler (1) for cooling particulate material which has been subjected to heat treatment in an industrial kiln (3), such as a rotary kiln for manufacturing cement clinker, which cooler (1) comprises an inlet (4), an outlet (5), end walls...
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WO/1998/040683A1 |
The invention concerns a mounting device with a leaf spring (7) on which the movable part of a cooling or heating grid can be or is suspended so that it can move in reciprocating manner. A plurality of leaf springs (7) are disposed one a...
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WO/1998/039609A1 |
A vertically oriented thermal processor (10) for processing batches of semiconductor wafers held within a processing chamber (16). The processing chamber (16) is contained within a processing vessel (18). A furnace liner (82) surrounds t...
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WO/1998/017959A1 |
The invention concerns a shaft cooler which, instead of side walls, comprises in its cooling unit (2) metal side panels (32) which extend on the laterally outer pipes (22) between the walls.
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WO/1998/004878A1 |
The method of melting oxidic slags and combustion residues with a minimum content of 3 % by weight of metallized components, such as iron and/or carbon carriers, is carried out in a shaft furnace (1) that is directly heated via burners (...
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WO/1998/002275A1 |
The invention is a new method for fabricating welded structural frames (1, 2, 3) for grating assemblies used in pellet and sinter machines and other material processing systems which require grating assemblies for heating, cooling, indur...
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WO/1997/049266A1 |
Slag from a pool of molten slag (34) floating on molten metal in a plasma arc treatment chamber (36) is removed by providing a slag container (38) located inside the chamber which has a slag intake pipe (40) extending from a bottom of th...
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WO/1997/026495A2 |
The invention concerns a delivery device comprising a housing (1) into which opens the delivery pipe (2) of a low temperature carbonization drum (3). A residue-delivery shaft (7) emerges from the housing (1) and opens into a conveyor dev...
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WO/1997/016390A1 |
The invention is related to a method and an apparatus for producing cement clinker, in which the cement clinker is first of all burnt in a burning zone and then cooled in a cooling zone, wherein the cooling takes place at least partially...
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WO/1997/007881A1 |
A bed (6; 78) of particulate material, which is supported by a gas distribution bottom (9; 75), is located utilizing a treatment gas, which via ducts (19; 35; 77) is conducted in sectionalized manner to and directed up through the gas di...
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WO/1997/005289A1 |
A method of reducing the iron content of a starting material containing calcium, silicon and oxygen, and iron in the form of a ferrite and/or oxide, for example a steel slag, includes the steps of heating the starting material to a tempe...
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WO/1996/037446A1 |
A burned lump cooling apparatus (3) comprises a plurality of grates (5) arranged such that the adjacent grates partly overlap one another so as to convey high temperature cement clinker (11) from a kiln (1). The grates (5) are formed wit...
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WO/1996/024810A1 |
A system for transporting and cooling boiler ash includes (or is operable with) a fluid bed boiler (10) for a power plant. The boiler (10) requires an ash bed in which a prescribed volume of ash is maintained. As ash builds up in the bed...
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WO/1996/016306A1 |
The invention relates to a grating plate arrangement for multi-stage grates in which several grating plates (2) can be laid side-by-side on a grating support (1) and secured thereto by a clamping device (11) engaging with the grating pla...
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WO/1996/014549A1 |
A plate for the sliding grate of a clinker cooler freely projecting from a grate plate support (1) and having longitudinal ribs (7) to improve the support of the front part of the plate. To reduce the warping or bending of the plate unde...
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WO/1996/013692A1 |
Described is a grating plate for a sliding grating for a burned-material cooling unit, the grating plate having, in the surface which holds the materials, a recess (13) in which cooling-air outlets (10) are located and, below the recess,...
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WO/1996/007622A1 |
In order to efficiently make a high quality cement clinker by firing with a small heat loss in a sintering method of a cement clinker which granulates and fires pre-heated cement raw material in a fluidized bed granulation/firing furnace...
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WO/1995/033172A1 |
In the proposed roasted charge cooler (5), instability caused by unusually heavy accumulation of material can be prevented by injecting (14) water into the cooler outgoing air (13) which is fed into the furnace (1) as the secondary air s...
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WO/1995/031519A1 |
A rotary rehydration cooler (100) is described which stabilizes coal against spontaneous combustion by concurrently rehydrating and cooling coal char (126) as it is transported through the cooler (100). The rotary cooler (100) comprises ...
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WO/1995/018940A1 |
A process for consuming oily sludge waste product in steel making operations includes spraying a waste slurry onto the moving porous bed (44) of a sinter strand (42). A burner hood (46) is spaced above a portion of the moving bed. The be...
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WO/1995/010014A1 |
A grate cooler (1) for cooling granular material, such as cement clinker, comprises a special duct system (16, 19, 17) for injection of air into the gaps (15) which exist between the edge guards (13) and the grate plates (9) at the edges...
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WO/1994/021381A1 |
A device for crushing and cooling material leaving a burning oven (4) has a crusher (6) arranged in the high temperature area, preferably immediately after the oven and before the cooler (1) in the path followed by the materials. The cru...
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WO/1994/017914A1 |
The invention pertains to a device for cooling hot granular material, preferably cement clinker, which is pulverized immediately after coming out of the burning unit (1). The object of the invention is to develop a device for effective c...
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WO/1994/015161A1 |
A cooler (1) for cooling particulate material from a kiln, wherein the material upon entry into the cooler (1) is distributed to a material bed on a stationary supporting surface (11) in the form of a tray, while cooling gas, such as atm...
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WO/1994/012840A1 |
Each of the movable grate elements (2) in a grate cooler, which comprises both movable (2) and stationary grate elements (1, 3), is supplied with cooling air by means of a flexible connection (12). The flexible connection (12) comprises ...
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WO/1994/008187A1 |
A grate element (1) for a grate surface, e.g. in a clinker cooler, is shaped in the form of a box between the walls (3, 4) of which a number of grate surface-defining grate slats (5, 6) are mutually arranged so that, between them, they f...
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WO/1994/008192A1 |
A grate element (1) for a grate surface, e.g. in clinker cooler, comprises a top plate (5) which is shaped in the form of a box having a surface which is plane at one end, whereas at the other end it consists of in cross section downward...
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WO/1994/008191A1 |
A grate element (1) for a grate surface, e.g. in a clinker cooler, is shaped in the form of a box between the walls (3, 4) of which a number of surface-defining grate bars (5, 6) are mutually arranged so that, between them, they from fin...
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WO/1993/023708A1 |
The present invention portions to a grate plate (20) utilized in a cooling apparatus. The grate plate has an upper surface divided into an exposed area (20) and an unexposed area (21). The exposed area of the grate plate is defined by a ...
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WO/1992/019560A1 |
The invention concerns a device for heat treatment of bulk materials, in particular a cooling device for cooling cement klinker from a furnace comprising a materials transfer device in a region below the furnace outlet and through which ...
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WO/1991/017391A1 |
A cooler for particulate material from a combustion plant, especially for cyclone ash form a PFBC power plant, in which the material is transported pneumatically with flue gases as transport means. At the inlet of the cooler there is a s...
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WO/1986/005819A1 |
The slag is granulated by means of a water jet. In order to reduce or to prevent the emission into the environment of noxious H2S and SO2 substances in the form of gases, the power jet containing steam, granulate and noxious substances i...
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WO/1986/005818A1 |
A process for producing granulated slag sand from blast furnace slag by granulating the slag by means of a water jet in which, in order to avoid the release of harmful gaseous material (H2S and SO2) into the environment, the efflux jet c...
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WO/1986/003783A1 |
In order to be able to heat the charging material (3) of a charging material preheater (1) in a more uniform fashion and to higher temperatures, while enjoying short flow paths, the charging material preheater (1) is in the form of a con...
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WO/1984/001616A1 |
In a plant for cooling bulk materials, for example clinker, on grids traversed transversally by cooling air, it is intended to improve the cooling air distribution to the bulk materials and to take into account the segregation of the coa...
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JP7448033B2 |
Provided are a method for producing granular solidified slag, whereby slag processing such as heat recovery processing, steam aging processing, and carbonization processing of solidified slag can be efficiently performed, and a productio...
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JP7421090B2 |
To provide a sintered ore cooler capable of suppressing deterioration of cooling performance.In outer and inner peripheral walls of a sedimentary tank (2), a peripheral wall on which a discharge port (24) is not provided is defined as a ...
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