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WO/1991/017401A1 |
A rotary reactor (20) having a cylindrical, horizontally-oriented chamber (22) lined with a refractory (38) for burning materials therein and a plurality of trough-like lifters (40), extending along the interior surface of the chamber, f...
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WO/1991/016586A1 |
A dryer assembly (200) dries waste materials to a predetermined moisture level. The dryer (200) includes a drum having an inlet (201) where waste materials and hot gasses are simultaneously introduced, and an outlet (203) where dried mat...
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WO/1991/015607A1 |
A rotary furnace for melting aluminium dross or turnings, etc., the furnace having within it a plurality of balls preferably of ceramic material, which are heavier than aluminium and which assist in breaking down the dross or turnings, e...
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WO/1991/013306A1 |
A reaction furnace (11) includes a rotating core (64) within a heated shell, the core and shell defining an active annular zone (50). An interrupted helical screw (55) carried by the core conveys material from an inlet at one end of the ...
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WO/1991/006615A1 |
A heat exchanger (100) including one or more rotating coaxial drums (102, 134) with freely rotating helixes (166, 168) inside the drums to move material to be heated or cooled longitudinally through the drums, as well as to help clean th...
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WO/1991/006794A1 |
In a sealing assembly for effecting a rotary seal between a stationary housing (5) and a rotary drum (1) by means of a number of arcuate sealing segments (8) engaging a radial sealing surface (6) on the housing (5) and a non-radial seali...
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WO/1991/000251A1 |
A method and apparatus for heat treatment of lime mud comprises drying of the lime mud to be introduced into the lime reburning kiln (5) in a pneumatic dryer (3) by means of flue gases discharged from the lime reburning kiln in order to ...
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WO/1990/014569A1 |
A novel high-temperature, gas-burning furnace has a rotating porous-ceramic bed (25), which serves the integral functions of wall insulator, thermal regenerator, combustion chamber (26), and radiant heater. The configuration permits high...
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WO/1990/012251A1 |
The present invention is directed to a kiln and associated apparatus for use in a method of treatment of solid and liquid wastes. A kiln (10) is provided, of the type including a kiln casing lined with refractory material. A hopper (24) ...
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WO/1990/005782A1 |
A method is described for environmentally sound usage of combustible hazardous waste in an operating rotary kiln. The method is particularly adapted for disposal of solid hazardous wastes, optionally in the form of a blended waste homoge...
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WO/1990/002915A1 |
A process and arrangement are useful for reducing salt cycles, in particular in cement kilns. A partial gas stream loaded with noxious substances is removed from the kiln through a bypass (8). Dust is removed from the partial gas stream ...
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WO/1989/002057A1 |
This invention is intended to provide a rotary kiln for heating indirectly raw material such as ore, coke, etc., while shielding the material from an oxidizing combustion flame. This kiln has a structure wherein a fuel combustion chamber...
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WO/1988/002284A1 |
A method for the treatment of waste materials wherein solid and/or liquid wastes are mixed with a binding material; the mixture is passed through an extruder to form pellets of waste; the pellets pass through a pyrolysis zone in a furnac...
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WO/1987/004698A1 |
According to the process, the formation and release of sulfur oxide and/or of the volatile organic compounds occurs only in a partial gas flow in a separate heating device and not during the heating of the raw meal in the total gas flow,...
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WO/1987/003672A1 |
A cylindrical rotary kiln which comprises transporting devices arranged inside the rotary cylinder. Serving as a conveyor, a feed screw (2) is provided which may be driven independently of the rotary cylinder (1) and which engages a scra...
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WO/1987/001692A2 |
To make greater use of the possibilities offered by the recovery of waste material for the production of clinker, it is necessary to homogenize the solid residue resulting from the carbonization or partial combustion of the waste prior t...
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WO/1986/000394A1 |
It is provided as shown in the drawing with a waste gas leading pipe, a linear pipe, an inserting pipe, a connecting pipe, a fixing pipe, a charging pipe, a gas discharge pipe and a branch pipe, and is adapted to preheat a main raw mater...
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WO/1985/004190A1 |
A circumferential sealing assembly for use with a generally cylindrical, rotatable liquid metal reaction vessel (1) and a hood (14) which is provided to collect hot gases from the reaction vessel (1). The sealing assembly comprises a cab...
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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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WO/1984/000604A1 |
The furnace comprises an indirectly heated rotary drum (1), a heating muffle, at least one driving ring (5) and at least one rolling ring (4). In order to provide for a continuous heat transfer throughout the length of the drum, particul...
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WO/1984/000412A1 |
The device for loading a reactor, particularly a rotary drum furnace, with materials to be thermally treated, particularly waste, comprises a loading channel (19) delivering the materials to the reactor, which are introduced therein thro...
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WO/1983/003601A1 |
In the method using a secondary fuel in the preheating, calcination and cooling areas, there is added in the area located between the entry of the furnace and the calcination area, (retarded) fuel substances such as waste or usual fuels ...
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WO/1983/001677A1 |
The heating device according to the invention relates to open kilns with revolving fire, comprising an assembly of chambers heated by gases which circulate in hollow partition walls (19, 25) which subdivide said chambers into compartment...
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WO/1982/000875A1 |
A method for preheating a rotatable fluidizable bed (106) comprises rotating the bed chamber (112) slowly to cause the particles (114) to slowly tumble and mix. During tumbling, one or more burners (150, 160) extending into the chamber (...
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WO/1981/002337A1 |
The device comprises a supply channel (19) through which, by means of a reciprocating load pusher (12), the material carried from the loading tank (1) is fed into the furnace. It comprises sealing devices (5, 9), which prevent an infiltr...
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WO/1981/002257A1 |
A method and equipment for retrieving heat, ash, and sulfur oxides from gas discharged out of a boiler (2) in a steam power plant. Gas discharged from a boiler (2) is introduced into pre-heating zone (21) of powdery raw material in a tre...
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WO/1979/000265A1 |
A rotating kiln or cooler for use in the manufacture of cementitious materials comprises a tubular body mounted for rotation about the longitudinal axis thereof, a material being fed into the body at one end and removed at the other end....
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WO/1979/000148A1 |
A method and an apparatus for operating a rotating apparatus, e.g. mixing drums or balling devices which comprise a rotating or reciprocating scraping device, e.g. in a balling drum (1). Said scraping device (6, 7) forms a periodically r...
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JP2024047675A |
The present invention provides vanadium compound manufacturing equipment and a manufacturing method that reduce manufacturing costs and cause fewer manufacturing troubles. This manufacturing equipment includes a raw material ash volume r...
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JP2024047981A |
An object of the present invention is to provide a combustible waste injection device that can flexibly change the manner in which combustible waste is blown into a rotary kiln using a simple method. A combustible waste injection device ...
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JP2024047643A |
[Problem] To provide a girth gear for a rotary kiln in which problems such as breakage do not occur in a fastening bolt at a joint portion of two arcuate members constituting the girth gear. [Solution] Two arc-shaped members 10A and 10B ...
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JP7458921B2 |
To provide rotation agitation type heat treatment equipment capable of surely performing heat treatment on, in particular, a massive treatment object, and a heat treatment method using the equipment.Rotation agitation type heat treatment...
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JP7450580B2 |
To improve operation efficiency of an extraction device.An extraction device 20 includes: a cooler 21 into which extraction gas G4 from a clinker firing device 10, and cooling gas G5 for cooling the extraction gas G4 are introduced; and ...
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JP2024027702A |
[Problem] To provide a torrefaction system suitable for producing torrefaction of biomass with a yield of 70% or more and a lower calorific value of 5,000 kcal/h or more. [Solution] A biomass torrefaction system 1 uses a paddle-type reac...
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JP7439444B2 |
To provide a rotary kiln driving mechanism having satisfactory operability with a simple constitution.A rotary kiln driving mechanism 10 comprises kiln side projections 22 provided on the outer circumference at the surface of a barrel bo...
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JP2024019771A |
[Problem] When dust containing zinc is heated in a rotary kiln to gasify and recover the zinc contained in the dust, the combustible gas generated from the dust can be easily removed without using large equipment, and the zinc contained ...
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JP7418728B1 |
An object of the present invention is to provide an inorganic fiber product processing system and an inorganic fiber product processing method that can remove binders contained in inorganic fiber products. [Solution] The inorganic fiber ...
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JP7416654B2 |
Provided is a facility for manufacturing reformed coal, comprising an inner cylinder that rotates about an axis, a heating chamber that covers the inner cylinder from the radial outside of the inner cylinder, and a plurality of exhaust p...
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JP2023180167A |
To provide a rotary kiln operation method which is capable of heating an additive material to be added in the middle of a rotary kiln.Provided is a rotary kiln operation method in which scoop feeders are provided between both end parts i...
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JP7397091B2 |
A rotary kiln capable of segmented temperature control is disclosed in the invention. The kiln includes a kiln body, a kiln head cover, a kiln tail cover, and a bottom base. A drive device is disposed between the bottom base and the kiln...
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JP7393544B2 |
Provided are a dynamic sealing structure and a rotary kiln apparatus, belonging to the technical field of sealing. The dynamic sealing structure comprises a kiln tail, a discharging cover, a sealing mechanism, a guiding mechanism and a b...
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JP2023550707A |
The present invention relates to a system for backmixing of reactant masses in a rotary cylindrical reactor. In the present context, the invention relates to a system for internal back-mixing of a reactant mass in a rotary cylindrical re...
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JP7387762B2 |
A rotary kiln sealing system and rotary kiln equipment, relating to the technical field of sealing. The rotary kiln sealing system comprises a first housing (3212) and a second housing (3222). The second housing (3222) is annularly dispo...
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JP2023549526A |
The present disclosure relates to fabricating hollow quartz cylinders while reducing air bubbles using atmospheric control. An example horizontal rotating arc furnace (100) includes a housing (104), a support (106), and a rotating union ...
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JP2023167565A |
To provide a muffle structure for cylindrical furnace (including vertical cylindrical furnace and horizontal cylindrical furnace), superior in durability, small in heat capacity, not requiring a large-scale manufacturing facility, and ca...
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JP7385778B2 |
To provide an incinerator structure capable of alleviating stress concentration on a connecting portion between an incinerator body and a terminal part.An incinerator structure 30A includes: an incinerator body 11 formed to have a cylind...
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JP2023159127A |
To provide a reaction apparatus or the like for efficiently producing a desired product.In a reaction apparatus 10, a kiln part 100 comprises: a cylinder part 103 rotatably extending along a central axis; a raw material feed port 101 rec...
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JP7369449B2 |
To provide a rotary kiln capable of suppressing the seizure of Cr in a retort made of stainless steel and preventing deterioration in a nickel layer in high temperature treatment.A rotary kiln comprises: a retort composed of tubular stai...
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JP2023153847A |
To provide a reaction apparatus or the like capable of efficiently producing a desired product.In a reaction apparatus 10, a kiln part 100 comprises: a rotatably stretching cylinder part 103; a raw material feed port 101 receiving raw ma...
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JP2023145537A |
To provide a reaction apparatus and a reaction apparatus component reacting a treatment object at a temperature of 300°C or more, and in which durability is less likely to deteriorate even in an environment comprising a sulfur component...
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