| Patents for F27B 7 - Rotary-drum furnaces, i.e. horizontal or slightly inclined (5,396) |
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| 05/18/2000 | WO2000028098A1 Apparatus and process for treating a particulate material within a rotating retort |
| 05/17/2000 | CN1253615A Cooler for particulate material |
| 05/16/2000 | US6061925 Rotary type heat treatment device, and temperature control method for the device |
| 05/16/2000 | CA2187074C Carbon reactivation apparatus |
| 05/11/2000 | DE19851646A1 Fine-grained mineral raw material thermal treatment, especially for cement clinker production, uses a horizontal rotating final calcination heat exchanger similar to a rotary kiln |
| 05/09/2000 | US6060015 Metallurgical furnace unit |
| 04/27/2000 | DE19950981A1 Apparatus for converting a substance by application of heat such as in manufacture of cement and glass |
| 04/19/2000 | CN2374829Y Effective wetting duster for cement verticle kiln |
| 04/19/2000 | CN2374828Y Horizontal cyclone preheating furnace |
| 04/18/2000 | US6050813 Control of cement clinker production by analysis of sulfur in the end product |
| 04/18/2000 | US6050203 Method for use of solid waste as fuel for cement manufacture |
| 04/13/2000 | DE19815457C2 Elektronenstrahlschmelzofen zum Umschmelzen von stückigem Gut Electron beam furnace for remelting lumpy |
| 04/05/2000 | CN2372642Y Rotary furnace for aluminium fluoride external heating dewatering drying by wet method |
| 03/30/2000 | DE19844038A1 White cement production comprises multistage heat exchange of the clinker with fuel and combustion air and using separated undersize clinker particles as grinding charge |
| 03/29/2000 | CN2371529Y Gas-solid reverse spiral flow type heat exchanger |
| 03/29/2000 | CN1050785C Systems and processes for pyrolyzing contaminants on foundry sand and combusting the resulting gas |
| 03/28/2000 | US6042370 Graphite rotary tube furnace |
| 03/22/2000 | EP0987508A1 Firing system for counter-current mineral calcinating processes |
| 03/21/2000 | US6039786 Process for melting a metal charge in a rotary furnace and rotary furnace for implementing such a process |
| 03/15/2000 | CN1050385C Method and appts. for smelting aluminum, scrap and remainders containing aluminum |
| 03/09/2000 | WO2000012444A1 Device and method of bypassing kiln exhaust gas |
| 03/01/2000 | EP0982407A1 Process for melting inorganic substances |
| 02/29/2000 | US6030448 From cement raw material using a preheating zone, a calcination zone, a heating zone in which the calcined material is further heated whilst avoiding the formation of a molten phase |
| 02/24/2000 | DE19749183C2 Verfahren für den keramischen Brand von Tonen Method for ceramic firing of clays |
| 02/22/2000 | US6027338 Furnace and method for firing ceramics |
| 02/17/2000 | WO2000008402A1 Continuous rotary kiln for calcination, especially suited for the calcination of inorganic pigments |
| 02/17/2000 | WO2000007910A1 Providing fuel modules to preheater/precalciner kilns |
| 02/17/2000 | DE19835734A1 Thermal treatment of solids for cement clinker production or power generation involves use of coupled rotating tubular or centrifugal reactors having double-walled shell structure and fulfill different tasks |
| 02/16/2000 | EP0979380A1 Device for driving a cylinder in rotation |
| 02/16/2000 | CN1049487C Complex current single cylinder cooling machine |
| 02/16/2000 | CN1049486C Variable-pitch internal spiral rotating heat treatment furnce pipe |
| 02/09/2000 | EP0894151B1 Recovery of metal from dross |
| 02/09/2000 | CN1244178A Method and device for directly converting uranium hexafluoride into uranium oxide |
| 02/03/2000 | DE19833447A1 Verfahren und Vorrichtung zur Verwertung von Abfällen Method and apparatus for recycling waste |
| 02/02/2000 | CN2362084Y High-efficiency rotary kiln |
| 01/26/2000 | EP0974762A2 Method for monitoring and controling the operation of rotary drums supported by sliding pads and sliding pad bearing therefor |
| 01/26/2000 | EP0974561A1 Process and apparatus for processing waste |
| 01/25/2000 | US6017213 Method and apparatus for cooling exhaust gas in a kiln by-pass |
| 01/20/2000 | DE19832364A1 Verfahren zur Überwachung und Steuerung des Betriebes gleitschuhgelagerter Drehtrommeln und Gleitschuhlagerung hierfür A method for monitoring and controlling the operation gleitschuhgelagerter rotary drums and slide shoe for this |
| 01/20/2000 | CA2336610A1 Indirect-fired, all ceramic pyrochemical reactor |
| 01/12/2000 | EP0767764B1 Plant for heat treatment of lumpy material |
| 01/12/2000 | EP0757666B1 Metallurgical furnace vacuum slag removal |
| 01/11/2000 | US6012918 Method and apparatus for producing cement clinker |
| 01/11/2000 | CA2191998C Rotary drum suspended within live-ring |
| 12/29/1999 | WO1999067588A1 High temperature rotating vacuum kiln and method for heat treating solid particulate material under a vacuum |
| 12/29/1999 | EP0934112A4 Reduction of no x emissions from rotary cement kilns by selective noncatalytic reduction |
| 12/29/1999 | CN2356290Y Top inlet cool air type roller kilns |
| 12/28/1999 | US6006514 Link-shape and chain link assembly method |
| 12/21/1999 | US6003874 Apparatus for sealing rotary tubes |
| 12/21/1999 | US6003240 Vessel drier having high heat efficiency |
| 12/15/1999 | EP0963538A1 Rolling body for a rotary drum and rotary drum with a rolling body |
| 12/14/1999 | US6000937 Device for distributing and/or feeding a hot flour-like material |
| 12/14/1999 | US6000936 Rotary oven |
| 12/09/1999 | DE19825206A1 Zyklonabscheider Cyclone |
| 12/09/1999 | DE19824573A1 Verfahren zum Schmelzen von Metallen A method for melting metals |
| 12/08/1999 | EP0962540A1 Process for thek non-oxidizing smelting of metals in a furnace with oxy-fuel burner |
| 12/08/1999 | EP0962255A2 Cyclone separator |
| 12/07/1999 | US5997289 Rotary calciner with mixing flights |
| 12/07/1999 | US5997288 Apparatus for thermal removal of surface and inherent moisture and limiting rehydration in high moisture coals |
| 12/07/1999 | CA2052537C Kiln liner |
| 12/01/1999 | EP0960070A1 Method and device for directly converting uranium hexafluoride into uranium oxide |
| 11/25/1999 | WO1999060172A1 Continous metal melting process and apparatus |
| 11/25/1999 | CA2332108A1 Continous melting process and apparatus |
| 11/23/1999 | US5989019 Direct reduction method and rotary hearth furnace |
| 11/23/1999 | US5989018 Lime sludge feed arrangement |
| 11/23/1999 | US5989017 Disposal of waste tires |
| 11/17/1999 | EP0858436B1 Method and apparatus for producing cement clinker |
| 11/10/1999 | CN1234785A Method and apparatus for cooling exhaust gas from bypass of kiln |
| 11/09/1999 | US5980244 System for connection of an annular tire or hoop and a rotary drum or tube, such as a rotary kiln or furnace |
| 11/02/1999 | US5975891 Method for reducing NOx emission from a kiln plant |
| 11/02/1999 | US5975752 Fabricated steel lifter for rotary kiln |
| 10/26/1999 | US5972104 Method and apparatus for producing cement clinker |
| 10/21/1999 | WO1998048231A8 Cooler for particulate material |
| 10/14/1999 | DE19815457A1 Electron beam furnace for melting lumpy materials used for production of high-purity titanium |
| 10/13/1999 | EP0949477A1 Operation process for a furnace and device therefore |
| 10/12/1999 | CA2130798C Recovery of non-ferrous metals from dross |
| 09/28/1999 | US5958156 Process for treating a particulate material within a rotating retort |
| 09/21/1999 | US5955033 Uranium dioxide from uranium hexafluoride; temperature control |
| 09/21/1999 | US5954499 Plant and method for manufacturing cement clinker |
| 09/14/1999 | US5951279 Method and apparatus for reducing pollutant circulations in the manufacture of cement clinker from raw meal |
| 09/08/1999 | CN2337497Y High-temperature indirect heating rotary-drum furnace |
| 09/08/1999 | CN2337496Y Sealing device for rotary kiln |
| 09/08/1999 | CN2337495Y Rotary heating furnace for producing red lead |
| 09/02/1999 | WO1999044000A1 Fabricated steel lifter for rotary kiln |
| 09/01/1999 | CN2336305Y Three-stage cyclone preheater with decomposing furnace |
| 08/31/1999 | US5944513 Apparatus for manufacturing cement clinker |
| 08/31/1999 | CA2175396C Method of installing a refractory lining |
| 08/25/1999 | EP0937957A2 Process and installation for the firing of powdery raw materialsoudre |
| 08/25/1999 | CN2335106Y Rotary type metal powder continuous heat treatment furnace |
| 08/25/1999 | CN1226961A Metallurgical furnace unit |
| 08/19/1999 | WO1999041316A1 PROCESS AND FURNACE FOR THE PRODUCTION OF TiO2 PIGMENT ACCORDING TO THE SULFATE PROCESS |
| 08/19/1999 | DE19806472A1 Verfahren und Ofen zur Herstellung von TiO¶2¶-Pigment nach dem Sulfatverfahren Method and furnace for producing TiO¶2¶ pigment by the sulphate process |
| 08/19/1999 | CA2320951A1 Process and furnace for the production of tio2 pigment according to the sulfate process |
| 08/11/1999 | EP0934112A1 Reduction of no x emissions from rotary cement kilns by selective noncatalytic reduction |
| 08/11/1999 | CN2333021Y Bin interlocking controller |
| 08/10/1999 | US5934062 For a rotary kiln chain |
| 08/04/1999 | EP0933436A1 Installation and process for melting of direct-reduced iron |
| 07/27/1999 | US5927969 Batch system cross-flow rotary calciner |
| 07/22/1999 | DE19801295A1 Apparatus for controlling electric arc furnace used to melt and alloy metals, particularly steel |
| 07/14/1999 | CN2328962Y New rotary kiln |