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| Number | Title | Issue Date |
| 7311519 | Raw material feeding apparatus for rotary hearth furnace The invention provides a raw materials feeding apparatus capable of uniformly dispersing and feeding into a furnace agglomerated raw materials that are likely to undergo dusting, deformation and mutual adhesion. In a raw material feeding apparatus for a rotary heart... | 12/25/2007 |
| 6210155 | Charging device for a rotary hearth furnace The invention relates to a charging device for creating superimposed layers of fine-grained bulk material on a rotating hearth (2). For each layer of bulk material to be charged, said charging device comprises a discharge hopper (22) having an outflow slo... | 04/03/2001 |
| 6132157 | Catalytic reactor charging system and method for operation thereof A catalyst loading system for utilizing catalyst from a bulk supply located adjacent but not on the upper tube sheet of a catalytic reactor and for mechanized measuring of multiple identical quantities of catalyst and for mechanized loading of catalyst pe... | 10/17/2000 |
| 5944514 | Process and device for introducing bulk material into a rotary hearth furnace A process for feeding bulk material onto a belt of a rotary hearth furnace, which has hoods that cover the hearth belt in such a manner as to form a ring. The bulk material is deposited on a transport device at a layer thickness proportionately dependent ... | 08/31/1999 |
| 5022806 | Apparatus for charging a shaft furnace The present invention relates to an apparatus for charging a shaft furnace. The apparatus includes a rotary and pivoting distributor chute suspended on the head of the furnace, a device for driving this chute, which consists of a first and second running ... | 06/11/1991 |
| 4806058 | Material handling device The device is operative to discharge the triangular ridge of grain, which remains in the bottom of a cylindrical storage bin after the bulk of the bin contents has been discharged by gravity through a central outlet in the bin floor. The device comprises ... | 02/21/1989 |
| 4468164 | Method and apparatus for feeding raw material to a furnace The feeding of batch material to a melting furnace is disclosed. The batch materials are choke fed to keep the total batch crust plus molten glass depth constant. The batch level keeps the arc electrodes submerged and helps promote arc stability and melti... | 08/28/1984 |
| 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 charge bed is maintained above the chute bottoms but below thos... | 03/04/1980 |
| 4029220 | Distributor means for charging particulate material into receptacles Disclosed are receptacles, such as shaft furnaces illustrated by a blast furnace and an upright oil shale retort, embodying rotatable charge distributor means for distributing particulate charge material in the furnace, which charge distributor means can ... | 06/14/1977 |
