| Patents for F27B 1 - Shaft or like vertical or substantially vertical furnaces (4,707) |
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| 04/13/2000 | WO2000020646A1 Device for dispensing bulk materials |
| 04/12/2000 | EP0992754A2 Operating process for a shaft furnace |
| 04/12/2000 | EP0992753A2 Operating process for a shaft furnace and shaft furnace |
| 04/12/2000 | EP0992596A2 Operating process for a shaft furnace and shaft furnace |
| 04/12/2000 | CN2373752Y Anode roasting furnace |
| 04/12/2000 | CN1250148A Bulk dispensing equipment |
| 04/12/2000 | CN1250104A Bulk dispensing apparatus |
| 04/06/2000 | WO1999060320A3 Coke-heated circulating gas cupola furnace for material and/or energetic recycling of waste materials having different compositions |
| 04/05/2000 | CN1051148C Vertical furnace for sintering mineral stock |
| 04/04/2000 | US6044663 Impregnated vitreous (glassy) carbon graphite liner and heating element for a fiber optic draw furnace |
| 03/30/2000 | DE19843820A1 Process for operating a shaft kiln for burning limestone uses natural gas, heating oil or coal dust as fuel in two combustion periods |
| 03/29/2000 | CN2371528Y Dust collector for cement shaft kiln |
| 03/29/2000 | CN2371527Y Full-closed heat pressing air type lime pit |
| 03/22/2000 | CN2370366Y Automatic water quenching device for vertical kiln clinker |
| 03/22/2000 | CN2370365Y High efficiency low flying ash high temperature smoke fluidized bed furnace |
| 03/15/2000 | CN2369189Y Gas well style gas carbonization furnace |
| 03/09/2000 | WO1999063122A8 Method and device for thermally treating agglomerates |
| 03/08/2000 | CN2367991Y Efficient energy-saving vertical drying kiln |
| 03/01/2000 | EP0982542A2 Cupola emission control system |
| 03/01/2000 | CN1049974C Briquette kiln for firing procelains |
| 02/24/2000 | WO2000009765A1 Shaft furnace |
| 02/23/2000 | CN2365622Y Combined decomposition furnace with side swirl precombustion chamber |
| 02/23/2000 | CN2365621Y Combined decomposition furnace with bottom swirl pre-combustion chamber |
| 02/23/2000 | CN2365620Y Decomposition furnace adapted to low volatile matter coal calcination |
| 02/16/2000 | CN1244911A Device for discharging or mixing lump materials |
| 02/10/2000 | DE19860281A1 Operation of a shaft furnace for production of metals involves use of, at most, all but one of the nozzles and/or lances on the furnace circumference for delivery of oxygen or a gas mixture containing oxygen into the furnace |
| 02/10/2000 | DE19849336A1 Operation of a shaft furnace, particularly a cupola furnace, for production of metals involves suction of a gas mixture containing oxygen by means of at least one injector nozzle from the tuyere duct(s) |
| 02/10/2000 | DE19835271A1 Operation of a shaft furnace for production of cast iron and metal alloys involves pulsed delivery of oxygen-containing gas and materials containing coal dust |
| 02/09/2000 | CN2362852Y Pearlite expantion furnace |
| 02/09/2000 | CN1049280C Combined hot-blast stove chamber |
| 02/03/2000 | WO2000005424A1 Method for producing zinc using the is process in an is shaft furnace and corresponding is shaft furnace |
| 02/02/2000 | EP0975926A1 Method and calcining furnace for electric calcining of carbonaceous material |
| 02/02/2000 | CN1049043C External-burning vertical baking furnace for ball mineral |
| 01/29/2000 | CA2275046A1 Cupola emission control system |
| 01/27/2000 | DE19841980A1 Imperial smelting shaft furnace installation for zinc production is operated by blowing a finely granulated powder mixture of a carbon carrier and a powder containing zinc into a bottom region of the furnace |
| 01/13/2000 | DE19830108A1 Waste material briquette used as charge material for iron foundry melting furnaces or blast furnaces |
| 01/12/2000 | CN1048327C Low Heat-consumption brick-baking ring kiln |
| 01/12/2000 | CN1048233C Method and apparatus for sintering cement clinker |
| 01/05/2000 | EP0969107A1 Process for producing molten pig iron or molten steel pre-products and hot briquetted iron |
| 01/05/2000 | CN2357302Y Machine cooling waste heat recovering device for sintering machine |
| 12/22/1999 | CN1239082A Vertical cylinder type dry calcine kiln for cement clinker |
| 12/15/1999 | CN2354091Y Hot-blast cupola |
| 12/15/1999 | CN1238389A Blast furnace charging apparatus |
| 12/09/1999 | WO1999063122A1 Method and device for thermally treating agglomerates |
| 12/02/1999 | DE19824367A1 Blast furnace installation for production of pig iron |
| 12/01/1999 | CN1236749A Cyclic dust collecting technique for cement production |
| 11/25/1999 | WO1999060320A2 Coke-heated circulating gas cupola furnace for material and/or energetic recycling of waste materials having different compositions |
| 11/25/1999 | CA2296412A1 Coke-heated circulating gas cupola furnace for material and/or energetic recycling of waste materials having different compositions |
| 11/17/1999 | CN1235267A Cupola with external hot air and flue dust elimination device |
| 11/17/1999 | CN1046552C Blast furnace top sluice feed distributing device driven by wirerope |
| 11/16/1999 | US5984671 Sealing device useful for providing air-seal self-controlled discharge of product from a process equipment such as a vertical shaft kiln |
| 11/02/1999 | CA2130223C Method and apparatus for the removal of hydrogen sulfide from a process gas stream |
| 10/27/1999 | EP0951371A1 Method of producing a cooling plate for iron and steel-making furnaces |
| 10/27/1999 | CN2345929Y Iron-melting furnace installed with water-cooling furnace-liner in it |
| 10/21/1999 | WO1999053105A1 Method for making stainless steel and steel with high alloy addition content in an electric furnace comprising two separate zones |
| 10/14/1999 | DE4027975C2 Vorrichtung zum Ermitteln der Topographie der Begichtungsoberfläche eines Schachtofens Apparatus for determining the topography of the loading surface of a shaft furnace |
| 10/13/1999 | EP0641393B1 Method for controlling the fuel/air ratio of a burner |
| 10/12/1999 | US5965085 Having a unit for distributing a burden over the furnace cross section designed to provide a required stockline contour in the furnace throat zone with a highly uniform circumferential grain-size and weight distribution of the burden |
| 10/07/1999 | DE19816864A1 Coke heated circulating-gas cupola furnace |
| 10/06/1999 | EP0946849A1 Device for discharging or mixing lump materials |
| 10/06/1999 | EP0946848A2 Operating method and device for a shaft furnace |
| 10/06/1999 | CN2342340Y Spheriod inserted tooth tower screen |
| 10/06/1999 | CN1045474C Process and apparatus for producing molten pig iron or molten steel preproducts, and sponge-iron hot pressing dough |
| 09/23/1999 | WO1999047711A1 Wall structure for a metallurgical vessel and blast furnace provided with a wall structure of this nature |
| 09/22/1999 | CN2339950Y All-covered brick-inlaid cooling wall |
| 09/22/1999 | CN2339949Y Electric-charcoal multipurpose stove |
| 09/15/1999 | CN2338707Y Adjustable teethed tower comb for dischanging |
| 09/01/1999 | CN2336304Y Cement shaft kiln unloading device |
| 08/31/1999 | US5946340 Concurrent injection of coke and raw materials |
| 08/31/1999 | CA2175396C Method of installing a refractory lining |
| 08/26/1999 | DE19806788A1 Cooling element for shaft furnaces, in particular, blast furnaces |
| 08/18/1999 | CN2333992Y Improved bell for mechanical kiln |
| 08/17/1999 | US5938432 Top closing device for shaft furnaces |
| 08/12/1999 | DE19845495A1 Method and double-shaft furnace for calcining rock containing carbon, while generating exhaust gas with a high content of carbon dioxide |
| 08/11/1999 | CN2332978Y Multifunctional cupola |
| 08/11/1999 | CN1225395A Vertical furnace cooling element |
| 08/04/1999 | CN2331932Y Pemanent tower grate for cement machinery shaft kiln |
| 08/04/1999 | CN1224829A Shaft furnace cooling plate |
| 08/03/1999 | US5931665 Furnace for firing a glass-lined product |
| 07/21/1999 | EP0930371A1 Stove cooler for shaft furnaces |
| 07/21/1999 | EP0688875B1 Tapping method of blast furnace |
| 07/14/1999 | CN2328960Y Ironmaking furnace for casting |
| 07/14/1999 | CN2328959Y Stereo sectioned dust removing hot air combustion furnace of water coal slurry |
| 07/07/1999 | CN2327970Y Hot airing device of cupola furnace |
| 07/07/1999 | CN2327969Y High performance energy saving rotating table with changeable crushing sleeves |
| 07/07/1999 | CN1044007C Installation for charging shaft furnace |
| 06/30/1999 | CN2326922Y Active-charcoal regenerating furnace |
| 06/30/1999 | CN2326921Y Cement vertical-kiln tower grate |
| 06/29/1999 | US5916500 Method of lining a blast furnace |
| 06/23/1999 | CN2325737Y Internal guiding type vertical lime kiln |
| 06/23/1999 | CN2325736Y Internal rotating type combustion furnace |
| 06/16/1999 | CN2324513Y Wet spraying efficient dust-collecting dewatering device for shaft kiln |
| 06/10/1999 | WO1999028510A1 Method for cooling a shaft furnace loading device |
| 06/10/1999 | DE19854630A1 Installation and method for reducing materials containing metal oxides |
| 06/10/1999 | DE19753184A1 Schmelzofenanlage Melting furnace |
| 06/09/1999 | EP0921199A1 Method of lining a blast furnace |
| 06/03/1999 | WO1999027141A1 Electric arc low-shaft smelting furnace with a central tube with telescopic electrodes and a sliding upper receptacle lid |
| 06/03/1999 | CA2311541A1 Electric arc low-shaft smelting furnace with a central tube with telescopic electrodes and a sliding upper receptacle lid |
| 06/02/1999 | EP0862657A4 Duplex procedure for the production of metals and metal alloys from oxidic metal ores |
| 06/02/1999 | CN2322109Y Smoke abatement dust remover |