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WO/2021/109324A1 |
Disclosed is a modularized natural convection boiler system for recovering waste heat of liquid slag. A granulating bin, a mobile bed and a hot air duct of each operation module are each provided with a water-cooling heating surface; and...
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WO/2021/105060A1 |
The present invention relates to a process for preparing ammonia, in which the reactant gases nitrogen and hydrogen are converted in a first ammonia converter (1) comprising at least one catalyst bed (1 A, 1 B), wherein the product gas m...
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WO/2021/103339A1 |
Disclosed are a flue gas purification and waste heat utilization system and method. The system comprises a flue gas exhaust unit, a primary waste heat utilization unit, a primary flue gas purification unit, a secondary waste heat utiliza...
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WO/2021/072814A1 |
The present application relates to an oxygen-enriched sintering flue gas circulation system and an application thereof. The oxygen-enriched sintering flue gas circulation system comprises a sintering machine, a first dust remover, a firs...
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WO/2021/068654A1 |
A furnace hearth temperature monitoring and alarming apparatus for a reverberatory furnace, comprising a furnace body (1) and a housing (3) mounted on the outer side wall of the furnace body (1). A housing side cavity (22) is provided on...
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WO/2021/065267A1 |
An adsorbent supply unit (41) supplies a mercury adsorbent to exhaust gas in a flue (3). An upstream mercury concentration meter (45) is capable of switching between a 0-valent mercury measurement mode for measuring the 0-valent mercury ...
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WO/2021/056830A1 |
A denitration treatment system and treatment method for flue gas from pellet roasting by a chain grate machine-rotary kiln. The denitration system comprises a chain grate machine, a rotary kiln (5) and an annular cooler that are connecte...
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WO/2021/051937A1 |
Provided is an SCR denitration system for cement kiln flue gas. The system is arranged between a waste heat boiler and a raw mill of a cement production device, and comprises a pre-dedusting device, a reducing agent injection device, and...
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WO/2021/033598A1 |
Provided is an exhaust gas treatment device (4), wherein an adsorbent supply part (41) supplies, in an exhaust gas path through which an exhaust gas generated in a combustion chamber (21) flows, a mercury adsorbent to the exhaust gas, an...
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WO/2021/018030A1 |
Disclosed is a converter gas aftertreatment and waste heat recovery device, comprising: a converter module (1), a smoke hood module (2), a heat exchange module (3), a converter gas treatment module (4), a converter gas recovery module (5...
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WO/2021/008729A1 |
The invention concerns a process for operating a fired furnace (1) which is heated using a fuel gas stream and forming a combustion product stream, wherein heat of at least part of the combustion product stream is used in forming a steam...
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WO/2021/006155A1 |
This cement manufacturing system comprises: a suspension pre-heater for pre-heating a cement raw material; a calcining furnace for calcining the pre-heated cement raw material; and a firing furnace for firing the calcined cement raw mate...
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WO/2021/003045A1 |
A shuttle kiln according to certain aspects includes at least one flue channel and multiple flue risers in fluid communication with the flue channel, and at least one shuttle defining multiple exhaust shafts arranged above the multiple f...
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WO/2020/251133A1 |
The present invention relates to a combustion heat dissipating plate provided with a recirculation region, wherein a gas recirculation region is formed in the vicinity of a central portion of a combustion space inside a housing, and fuel...
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WO/2020/232599A1 |
Disclosed are denitration treatment method and equipment of a sintering fume gas. The denitration treatment method comprises the following steps: igniting a sintered material (70); spraying a reducing medium onto the ignited sintered mat...
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WO/2020/235579A1 |
Provided is a melting furnace that minimizes oxidation of molten material and with which it is possible to improve the quality of a molten material. As shown in fig. 3, this melting furnace 1 is provided with: a melting part 2 to which a...
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WO/2020/232091A1 |
A system for making oxide material may comprise a preheating cyclone stage for receiving a solid carbonate material and operating at a temperature less than a calcination temperature of the solid carbonate material, a calcination cyclone...
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WO/2020/229435A1 |
The invention relates to a heat exchanger cyclone (1) for exchanging heat between heat between a dust-like to granular material (2) and a gas (3), having an inlet (4) for gas (3), an outlet (5) for gas (3), an inlet (6) for the dust-like...
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WO/2020/216289A1 |
Provided are a lime kiln and heat supply method thereof, said lime kiln containing a kiln chamber (1), a heating device, and a combustion-supporting fan (2); the heating device comprises a fuel supply device and a spray gun set (3); the ...
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WO/2020/203280A1 |
This waste heat recovery system comprises: a boiler for recovering heat from exhaust gas generated by an AQC; a first exhaust gas line for leading exhaust gas discharged from a predetermined high-temperature part of the AQC to an inlet o...
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WO/2020/203247A1 |
In the present invention, a bypass line which causes exhaust gas from a preheater in a cement firing process to bypass a boiler and be sent to an exhaust fan is provided; the amount of excess or deficiency of heat in a dryer is determine...
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WO/2020/182404A1 |
The invention relates to an apparatus (5) for cooling and/or cleaning a process gas leaving a converter (2), having at least one evaporation cooling unit (8) and at least one waste heat boiler (10) downstream thereof in the direction of ...
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WO/2020/183323A1 |
Machine (2) for cleaning regeneration chambers (56) of furnaces for the production of glass articles, with stacking of hollow refractory elements delimiting vertical passages (chimneys) for the combustion fumes from said furnaces, charac...
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WO/2020/179600A1 |
This waste heat recovery system is provided with: a waste heat boiler; a draw fan for drawing exhaust gas to the waste heat boiler and discharging the exhaust gas from the waste heat boiler; an exhaust pipe that connects an inlet of the ...
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WO/2020/174328A1 |
The invention relates to a device for removing the slag from the deslagging area of a furnace and for recovering thermal energy from the slag. The device comprises: - a loading zone, which receives the hot liquid slag; - an unloading zon...
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WO/2020/164259A1 |
The present invention relates to a rotary lime kiln preheater with efficient flue gas desulfurization, comprising a preheater main body, a top material bin, a material-feeding pipe, a flue gas-discharging pipe, a push rod device, and a m...
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WO/2020/120318A1 |
An induration machine (1), with -a travelling grate (2) for transporting bulk material along a transport direction (T) from a heating zone (5) for heating and/or drying the material to a cooling zone (6) for cooling the material by cooli...
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WO/2020/094401A1 |
The invention relates to an installation for dry granulation of slag, comprising: a granulator (1), an air supply (11) for the granulator, comprising a fresh air line (9) for supplying fresh air into the granulator, and an apparatus for ...
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WO/2020/078063A1 |
A roller kiln device for large-scale foamed ceramic, comprising a kiln (1) for placement of a product, kiln furniture (2) located inside the kiln (1), a burner (3) provided on the kiln (1), and a heat extraction fan (4) for implementing ...
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WO/2020/064360A1 |
A device for preheating rod-like, metal workpieces, in particular aluminium rods, by means of a fluid flow heated by residual heat or waste heat of a combustion process occurring in a heating device for heating the workpieces. The device...
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WO/2020/046959A1 |
Disclosed in the present application is a cooling system for a reflow furnace, the reflow furnace comprising a heating zone, and the cooling system being used to regulate a temperature of the heating zone, the cooling system comprising: ...
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WO/2020/029039A1 |
Disclosed by the present invention is an on-line dust cleaning device for low-temperature dust-containing tail gas. The device comprises a hollow furnace wall and a netted dust-capturing device, wherein the furnace wall is provided with ...
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WO/2020/029048A1 |
A cement kiln rear portion and bypass waste heat boiler comprises a boiler body (1) disposed in a vertical structure, heat transfer surface tubes (3) disposed inside a flue of the boiler body (1), and a vibration ash removal device (7) c...
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WO/2020/029045A1 |
Disclosed is a cement plant kiln head clinker cooler exhaust gas waste heat superheater, comprising a steel frame and a heat exchange tube box. The heat exchange tube box is mounted on the steel frame, the bottom end of the heat exchange...
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WO/2020/029041A1 |
A system for recovering waste heat from pure low temperature flue gas of a cement plant, comprising: a rotary kiln (1), a kiln front clinker cooler (5), and a heated device system (12). The rotary kiln (1) is connected to a kiln rear pre...
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WO/2020/032470A1 |
A slag treatment facility according to an embodiment of the present invention comprises a slag treatment apparatus comprising a nozzle part capable of spraying a cooling gas at molten slag, wherein the nozzle part comprises: a first nozz...
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WO/2020/027438A1 |
Provided is a sintering apparatus for manufacturing an artificial lightweight aggregate that has favorable grade and quality and can be continuously mass produced using a carriage, the sintering apparatus comprising: a carriage moving al...
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WO/2020/022148A1 |
Provided are a system and a method of producing, efficiently and at low cost, a metal supported porous material which is capable of adsorbing and recovering phosphorus or arsenic. This system includes a carbonization device which has a c...
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WO/2020/022460A1 |
Provided is a converter waste gas treatment device which has excellent durability, is capable of stably moving a skirt up and down without being affected by dust, slag, bare metal, and the like, and enables saving in maintenance labor an...
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WO/2020/003845A1 |
This exhaust gas mercury removal system (1) comprises: a mercury concentration meter (11) for measuring the concentration of mercury contained in exhaust gas discharged from a dust-collecting device (7) that removes dust from a mercury-c...
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WO/2019/225256A1 |
[Problem] With regard to a facility for producing direct reduced iron and production method, the present invention addresses the problem of solving the problem of impurities admixed from, e.g., iron ore powder, and toxic dissolved gases,...
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WO/2019/225037A1 |
[Problem] The present invention relates to a carbonization furnace capable of processing organic waste by carbonizing the organic waste using heat, without producing harmful substances, such as dioxin, or smoke, odor, carbon dioxide and ...
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WO/2019/220309A1 |
A cement manufacturing plant can include at least one emission abatement mechanism. In some embodiments, the emission abatement mechanism can utilize a plurality of pulsed gases passed through a reactor to treat a solid particulate mater...
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WO/2019/189886A1 |
The present invention addresses the problem of providing a dust collection system and a heat storage system with which a location requiring heat, such as a dust collection device or piping, can be heated suitably using the heat of combus...
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WO/2019/185863A1 |
The invention relates to a method for the recovery of zinc from zinc containing materials using a smelting apparatus for smelting a metalliferous feed material, wherein the smelting apparatus comprises a smelting vessel, a smelt cyclone ...
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WO/2019/185865A1 |
A process for smelting a metalliferous feed material to form a molten metal in a smelting apparatus, with the apparatus including (i) a smelting vessel that is adapted to contain a bath of molten metal and slag and (ii) a smelt cyclone t...
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WO/2019/174287A1 |
Disclosed are a slag residual heat utilization device and a molten slag granulation method. The slag residual heat utilization device comprises a residual heat recycling recoverer (1), the residual heat recycling recoverer (1) being sequ...
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WO/2019/173729A1 |
The present invention relates to a waterless system and method for cooling a metallurgical processing furnace. Supercritical carbon dioxide (sCO2) is used as a coolant, as opposed to water, which provides several advantages. For example,...
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WO/2019/161639A1 |
Disclosed is a dry type centrifugal granulation and waste heat recycling and utilization system for liquid molten slag, comprising a molten slag temporary storage and flow rate control module (1), a molten slag centrifugal granulation an...
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WO/2019/161897A1 |
The present invention provides a hood (1) for a taphole (4) and a tapping spout (2) in a submerged arc furnace in the production of silicon wherein the hood (1) has at least two suction ducts (3) which are placed on either side of the ho...
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