Matches 1 - 50 out of 73 1 2 >


Match Document Document Title
8042283 Washer-dryer  
A blower 31 has a blower fan 35, a fan motor 36 for driving the blower fan 35 into rotation, and a shaft 52 having one end portion coupled to the blower fan 35 and the other end portion coupled to...
6926522 Method and apparatus for preheating particulate material  
An apparatus for preheating particulate material in which the particulate material is transferred from one or more upper storage bins to a circular lower chamber that has an outer, essentially...
6280181 Withdrawal device for a shaft furnace  
The invention relates to a shaft furnace (1), in particular a direct-reduction shaft furnace, having a bed (2) of lumpy material, in particular lumpy material containing iron oxide and/or iron...
6213762 Shaft furnace  
The invention relates to a shaft furnace (1), particularly to a direct-reduction shaft furnace, with a bed (2) of lumpy material, particularly lumpy material containing iron oxide and/or sponge...
6162050 Furnace for the direct reduction of iron oxides  
Gravitational type furnace for the direct reduction of mineral iron comprising a median reaction zone (14) in which the reactions to reduce the mineral iron occur, means (11) to feed the mineral...
5984671 Sealing device useful for providing air-seal self-controlled discharge of product from a process equipment such as a vertical shaft kiln  
This invention relates to a sealing device useful for attachment to a process equipment such as vertical shaft kiln (VSK) for providing air-seal self-controlled discharge of product from the said...
5915959 Method and apparatus for preheating particulate material  
A preheating apparatus for particulate material includes a plurality of vertical chambers, a temperature sensor within each chamber and a particulate discharge mechanism. Each chamber is segregated...
5829968 Charging device for a shaft furnace  
A charging device for a shaft furnace with a lower bell comprises lower means of blockage allowing an upper hopper to be isolated in a sealed manner from a lower hopper and allowing the retention...
5769627 Vertical type calcination kiln  
A storage device 23 for storing a raw material to be calcined is provided at a position above a kiln cover 1, and the storage device 23 is connected to a preheating space 22 in such a manner as to...
5738511 Vertical shaft kiln  
This invention relates to a a vertical shaft kiln (VSK) useful for manufacturing cement and other allied products, which comprises a rotary nodule feeder for feeding the raw materials, fitted above...
5460517 Shaft kiln for burning a lumpy mineral charge  
The kiln operating according to the parallel-flow-regenerative process has two shafts (2, 3), which at the transition from the burning zone (14) to the cooling zone (15) have a widening forming an...
5144108 Kiln for producing litharge by means of the calcination of massicot  
The kiln (1) for producing litharge has a thermally insulated tubular body (2) containing, throughout its length, a shaft (30) with paddles acting as an auger. The tubular body (2) is coaxial with...
4948364 Lime kilns  
An annular, vertical shaft kiln comprising a cascading process path with varying cross sectional area, in which the coarse charge particulants tend to follow the longer path near the walls as does...
4881869 Furnace charging throat construction  
In a throat stopper for shaft furnaces, in particular blast furnaces with two hoppers of which an upper hopper is rotatable through a drive device, the upper hopper is designed, by a stationary...
4767322 Apparatus for charging a shaft furnace  
Apparatus for charging a shaft furnace for calcining and sintering material in lump form, such as limestone, dolomite, magnesite or the like, with granular bulk material, with a charging silo...
4764107 Shaft arrangement for thermal and/or material transfer processes between a gas and bulk material  
An apparatus for gas/solids exchange has a column having a plurality of vertically spaced grates on which the granular solids can form beds to be traversed by the gas. Each grate is provided in a...
4708642 Process for the thermal and/or chemical treatment of grained, granular or lump material  
In the process for the thermal and/or chemical treatment of grained, granular or lump material in plane heaps, the latter are transported with free intervals, in stages, from top to bottom through...
4664623 Process and apparatus for the thermal treatment of trickling material swellable or rendered swellable, and containing aluminosilicates  
In the thermal process for treating swellable granulates of clay or the like, the granulates are entered in heaps (4) with free intervals between them into a shaft (1) and traverse said shaft (1)...
4655791 Apparatus and method to achieve gasification of bark and the like  
A system and method to achieve gasification of bark pieces, that includes a vessel to receive the bark pieces which are introduced at an upper region of the vessel and are burned at a lower region,...
4644932 Method and device for energy recovery by manufacturing of asphalt in bulk  
Method and device for manufacturing of asphalt bulk masses where a substantial part of the heat energy of the furnace gases from the drying and mixing process is transferred to the bulk mass...
4599068 Apparatus for preheating granular ore  
An apparatus for preheating granular ore includes a shaft defined by vertical walls, an inlet chute disposed above the shaft for introducing the ore thereinto by gravity, an ore discharge collector...
4413812 Apparatus for discharging hot flowable solids, particularly sponge iron, from a shaft furnace  
Apparatus for discharging hot flowable solids comprises conical conveyor screws, which are arranged to form a star-shaped array and contained in respective conveyor troughs and at their inner ends...
4407489 Apparatus for discharging hot flowable solids from an upright container, particularly for discharging sponge iron from a shaft furnace  
A discharge implement is provided, which is operable to discharge sponge iron from a shaft furnace and constitutes the bottom structure of the shaft furnace and is formed with flow passages for a...
4351119 Apparatus and method for drying compact, vitrifiable mixtures  
In apparatus and method for treating granular product within a cylindrical chamber as the product, by the force of gravity, falls through a plurality of regions maintained at varying temperature...
4337031 Preheating apparatus  
An apparatus for preheating particulate material in which the particulate material is transferred from an upper storage bin to a lower annular flow passage by a plurality of connecting chutes and...
4254221 Method of burning lump-sized combustible material, and an annular shaft kiln for carrying out this method  
This invention deals with a method of burning crushed or lump-sized combustible material, such as limestone, dolomite, magnesite or a similar material, in an annular shaft kiln having an annular...
4243379 Shaft preheater  
A mechanism and method for preheating a coarse fraction and a more fine limestone fraction in a shaft preheater including a first central vertical inlet for receiving the coarse fraction which...
4207061 Top-shaped lime kiln  
In a top-shaped lime kiln which comprises a slowly rotatable platter-shaped kiln bed having a cylindrical calcined lime-cooling chamber extending downward for connection to the central opening of...
4193760 Apparatus and method for heating a plurality of solids  
In a device for raising the temperature of a plurality of solids which utilizes a heating chamber having at least one hot flue gas inlet and one or more solids inlet apertures to supply concurrent...
4191529 Furnace for heating solids  
The furnace is circular in plan and comprises an annular charge space charged through chutes in its top wall. Effluent gas offtakes are provided in the furnace outer wall and the level of the...
4134738 Automated poking system for coal gasifier  
An automated poking system includes a plurality of pokerod assemblies positioned around the periphery of a two-stage, fixed-bed coal gasifier at two separate elevations. Each pokerod assembly...
4094629 Vertical kiln apparatus  
The apparatus of this invention is a vertical shaft kiln designed for firing aggregate materials. In a specific application the kiln is used to fire limestone aggregate (crushed limestone) to...
3947239 Descending bed of sub-divided solid material  
A method of processing granular material by passing a gas in contraflow to a bed of the material descending in an independently rotatable annular chamber of annular width a surmounting an annular...
3877868 Shaft furnace for treating pelletized materials  
The present invention relates to a process for treating pelletized materials in shaft furnaces, especially vertical lime-heating or reducing kilns, dolomite pellet-heating kilns, pelletheating or...
3832128 PROCESS AND APPARATUS FOR PREHEATING SOLID PARTICULATE MATERIALS  
A method and apparatus for preheating solid particulate materials such as limestone and materials used in the process of making sealed surface lightweight aggregate. It includes a vessel having an...
3743475 CENTRAL SHAFT FEEDING FOR ROTARY HEARTH FURNACE  
A method and apparatus for the thermal decomposition of limestone or other mineral substance wherein the apparatus employed for carrying out the method combines a vertical shaft for the feed...
3704011 DISCHARGE MECHANISM FOR SHAFT KILN  
A positive displacement volumetric discharge mechanism of the screw auger conveyor type. A series of radially disposed conical screw type augers and underlying retarder plates substantially close...
3632094 PROCESSING AND PREHEATING SCRAP METAL FOR FURNACE UTILIZATION  
Procedure and apparatus are utilized for charging scrap metal in accordance with its density to cushion the impact involved in loading it into a vessel such as a preheating silo, and for enabling...
3554509 DISCHARGE GRATE FOR CIRCULAR SHAFT KILN  
A discharge grate for a circular shaft kiln includes a concentric plurality of coplanar annular retarder plates defining concentric annular throats. A plurality of radially extending pusher rods...
3529813 MATERIAL HEAT-TREATING APPARATUS WITH CONVEYOR  
3517914 VIBRATING FURNACE FOR PELLET MATERIAL  
3516648 GRATE FOR VERTICAL KILN  
3510114 DISCHARGE GRATE MECHANISM FOR SHAFT KILN  
3507480 SHAFT KILN DISCHARGE SYSTEM  
3469721 APPARATUS FOR VERTICAL EXTRACTION OF MATERIAL  
3451662 BATCH DRIER FOR GRAIN  
3436060 DEVICE FOR THE PERIODIC DELIVERY OF PREHEATED MATERIAL  
3423840 CONE TRAY HEAT EXCHANGER  
3403895 Gas-solid contact device and material discharge means  
3393905 Method and means for controlling flow in a vertical shaft kiln  
Matches 1 - 50 out of 73 1 2 >