Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7293986 | Vestibule assembly for a heat treatment furnace The present invention provides a heat treating process chamber having a housing with a flow passage in communication with a vestibule assembly. The vestibule assembly includes an outer ring with a first groove and an inner ring with a second groove. The first groove... | 11/13/2007 |
| 7025123 | Fluid distribution system for thermal transfer rollers A thermal transfer roller includes a first end chamber in communication with a source of thermal transfer fluid, an annulus for receiving the fluid and facilitating thermal transfer to a substrate, and a second end chamber in communication with the annulus for recei... | 04/11/2006 |
| 6419481 | Cooler for rotary kilns The present invention relates to a cooler (2) for a rotary drum kiln (1). The cooler comprises two cylindrical housings disposed one inside the other (6, 7), surrounding the kiln and rotating with it, which housings are mounted at the discharge end of the... | 07/16/2002 |
| 6042370 | Graphite rotary tube furnace A rotary tube furnace suitable for operation in controlled atmospheres at temperatures in the range of 1500° to 2800° comprises a generally horizontal rotatable graphite tube slidably supported on water-cooled split ring graphite bearings. The graphite ... | 03/28/2000 |
| 6017213 | Method and apparatus for cooling exhaust gas in a kiln by-pass A probe having a double-tubed structure is provided to communicate with a kiln exhaust gas flowing path. A part of kiln exhaust gas is extracted through an inner tube of the probe, while cooling gas is supplied to a fluid flowing path formed between the i... | 01/25/2000 |
| 5711664 | Rotary melting furnace A rotary melting furnace having an enclosure supported for rotation. The enclosure includes a cylindrical shell, a pair of disc-shaped flanges connected to the shell at ends thereof, and a unitary liquid cooling circuit. The shell and the flanges each inc... | 01/27/1998 |
| 5480226 | Rotary drum dryer having aggregate cooled shielding flights and method for the utilization thereof A rotary drum dryer has devices for cooling shielding flights located in the combustion zone of the drum. The devices comprise cooling flights which rotate with the drum to scoop up relatively small amounts of virgin aggregate from aggregate accumulated i... | 01/02/1996 |
| 5366596 | Dry thermal processor The processor is of the type incorporating horizontal, concentric, co-extensive inner and outer tubular members which rotate together. The processor is modified in the following respects: The front end of the inner tubular member is circumferentially corrugate... | 11/22/1994 |
| 5301619 | Installation for the incineration of waste The drum of the installation is provided with a double wall which is closed on its rear end and where the inside wall of which is provided with openings, with a hollow central tube provided with openings the rear end of which tube is closed, and with radi... | 04/12/1994 |
| 5230617 | Furnace shell cooling system A system for cooling a single or plural zones of the exterior of a furnace or similar hot device, e.g., kiln, calciner, etc. Each zone is cooled by a respective cooling assembly. The operation of the assemblies is effected by a common control system. Each... | 07/27/1993 |
| 5227026 | Retort heat exchanger apparatus A heat exchanger including one or more rotating drums with a freely rotating helix inside the drum to move material to be heated or cooled longitudinally through the drum, as well as to help clean the surface of the drum, together with carriers to assist ... | 07/13/1993 |
| 5173045 | Radial seal for rotary combustor A radial seal for a rotary combustor of a municipal solid waste incinerator disposed between compartments of a windbox having a ring disposed girthwise on the rotary combustor with a flat surface disposed normal to the axis of the rotary combustor and a p... | 12/22/1992 |
| 5103745 | Movable air seals for a rotary combustor A movable axially oriented air seal for a rotary combustor for burning municipal solid waste wherein the shoe portion of the seal is movable allowing the area over which underfire and overfire air can be supplied to be varied to improve the efficiency of ... | 04/14/1992 |
| 5097773 | Multi-sided watercooled rotary combustor A watercooled rotary combustor comprising a plurality of pipes or tubes secured together, means mounting the plurality of pipes or tubes for rotation about the axis of the inner surface with the axis being horizontally tilted so as to have a high end and ... | 03/24/1992 |
| 5018968 | Revolving grate cooler for cooling of clinker or similar products A revolving grate cooler for cooling of clinker or similar products comprising a tubular shaped body having a plurality of holes. A plurality of curved metal cooling plates having a plurality of openings are secured to a front inner surface of the body, a... | 05/28/1991 |
| 4988289 | Reaction furnace A reaction furnace includes a rotating core within a heated shell, the core and shell defining an active annular zone. An interrupted helical screw carried by the core conveys material from an inlet at one end of the zone to an outlet at the opposite end ... | 01/29/1991 |
| 4973245 | Method for cooling a kiln furnace The invention relates to the cooling of a rotary kiln with a liquid cooling agent. According to the invention, the cooling agent is distributed to form an essentially even liquid blanket above the rotary kiln (1). In order to achieve this, a number of baf... | 11/27/1990 |
| 4932863 | Heat loss reduction in rotating drum dryers A drum dryer for use in the manufacture of bituminous concrete asphalt is provided with a jacket including a layer of ceramic fiber insulation bonded too an outer sheath of aluminum, the jacket being wrapped the outer peripheral surface of the wall of the... | 06/12/1990 |
| 4889060 | Web for rotary combustor An inclined combustion barrel for a rotary combustor utilized to burn municipal solid waste wherein the combustion barrel is formed from a plurality of parallel cooling pipes disposed in a circular array with a plurality of spaced apart flat plates dispos... | 12/26/1989 |
| 4889059 | Rotary combustor wall and method of forming same A rotary combustor has a wall formed from water cooled pipes that are secured together by welded perforated strips. The strips comprise cylindrical shaped metallic rods and the perforations are provided either by forming apertures through the cylindrical ... | 12/26/1989 |
| 4840132 | Rotary combustor A rotary combustor which includes a plurality of water cooled tubes secured together directly to each other to form a cylindrical barrel defining a combustion chamber therein. Every other length of tube is bent outwardly at spaced locations along its leng... | 06/20/1989 |
| 4840130 | Waste disposal system A waste disposal system for the combustion of waste materials which includes a combustor having an inlet end and an outlet end with a furnace enclosing the outlet end. A step extends out from the back wall of the furnace which is spaced from and below the... | 06/20/1989 |
| 4815969 | Heat loss reduction in rotating drum dryers A drum dryer for use in the manufacture of bituminous concrete asphalt is provided with a jacket including a layer of ceramic fiber insulation bonded to an outer sheath of aluminum, the jacket being wrapped around the outer peripheral surface of the wall ... | 03/28/1989 |
| 4793269 | Kiln for waste disposal A water cooled kiln comprises a cylindrical combustor structure made up of a plurality of generally parallel water pipes spaced circumferentially about the periphery of the structure, and a plurality of webs circumferentially interconnecting the pipes so ... | 12/27/1988 |
| 4767323 | Lime kiln and method of retarding formation of slag ring therein An apparatus and method for retarding the formation of a slag ring on the inner wall of a rotary lime kiln where coal combustion gases are used to provide heat in the calcining chamber of a rotary lime kiln. The inner wall of the kiln, at a predetermined ... | 08/30/1988 |
| 4735157 | Rotary combustor barrel with water-cooled baffles A combustion barrel used in a rotary combustor is constructed of cooling pipes joined by perforated webs to form a generally cylindrical side wall. Water-cooled baffle pipes are attached to the interior of the generally cylindrical side wall at widely spa... | 04/05/1988 |
| 4735156 | Rotary combustor for burning municipal solid waste A rotary combustor formed of water cooled tubes in an inclined cylindrical array with the lower portion being conical so as to reduce the incline at the lower end. The combustor extends into the cooperating furnace, and is formed with openings between the... | 04/05/1988 |
| 4543061 | Air cooled rotary kiln feed end dam The feed end dam of a rotary kiln is cooled by air directed into an annulus between the feed end dam and a seal mechanism.... | 09/24/1985 |
| 4437418 | Methods of and apparatus for treating waste products This invention relates to methods of and apparatus for treating waste products. The apparatus comprises a furnace 1 and a recuperator 2, the furnace comprising at least one rotary section 4 for combustion and/or pyrolysis of the waste products and a stati... | 03/20/1984 |
| 4391583 | Process of thermally treating bulk materials in a rotary kiln In the treatment of bulk materials with hot gases below the melting point of the charge component it is desired to prevent a formation of undesired crusts during normal operation and when the rotary kiln is operated at a reduced speed during short-time tr... | 07/05/1983 |
| 4370128 | Protective device for a discharge end of a tubular rotary kiln A protective device for a discharge end of a tubular rotary kiln comprises a flange extending radially outwardly of the metal kiln shell, a metallic ring affixed to the flange and arranged concentric with the shell at the discharge end, and a refractory r... | 01/25/1983 |
| 4295825 | System for the protection of the delivery end of a rotary kiln This invention concerns a system for the protection of the delivery end of a rotary kiln. This system is characterized by the fact that it consists of a refractory concrete ring covering the internal surface of the end of the kiln shell and the front surf... | 10/20/1981 |
| 4260373 | Method and apparatus for drying and preheating small metallic particles A system for drying and preheating small metallic particles such as chips, turnings, borings and the like to remove volatiles therefrom which includes a dryer working in conjunction with a briquetting press. The dryer includes a drying and preliminary com... | 04/07/1981 |
| 4245983 | Screw conveyor for feeding lime sludge or cement to a lime and cement kiln, respectively The invention relates to a feed conveyor for lime sludge to a lime kiln and, respectively, of cement to a cement kiln. The conveyor, which has the form of a screw conveyor, is characterized in that its housing is cooled by a cooling liquid so that a conde... | 01/20/1981 |
| 4238187 | Waste heat recovery system A heat recovery system for use with a rotatable cylindrical kiln having a curved sidewall surface and which is adapted to be fired, for example, by a burner supplied through a fuel supply line with fuel oil, comprises, at least one segment member which ov... | 12/09/1980 |
| 4226584 | Rotary combustor wall A rotary kiln or combustor having a plurality of water cooled pipes secured together to define a cylinder in which material is burned. The cylinder slowly rotates about its axis, and the pipes are secured together so as to define a plurality of intermedia... | 10/07/1980 |
| 4212630 | Apparatus for removing heat from cylinders of the rotary kiln recuperator cooler The invention has to do with an apparatus for removing heat from cylinders of the rotary kiln recuperator cooler. The apparatus comprises heat-exchange tubes which are fixed on the lateral surfaces of bow-shaped support members so that they go around the ... | 07/15/1980 |
| 4158541 | Apparatus for calcining green coke A hollow, high-temperature alloy pipe with motive means to move air there through is employed as a support structure for supporting the feed pipe in a conventional coke-calcining apparatus. The support pipe is horseshoe shaped, and the feed pipe is receiv... | 06/19/1979 |
| 4137038 | Clinker roasting plant A clinker roasting plant comprising a rotary kiln having a housing and a hot head. A cooler for cooling clinker is mounted downstream of the rotary kiln. There are also provided heat-exchange tubes arranged in the zone of flow of roasted clinker from the ... | 01/30/1979 |
| 4102530 | Rotating furnaces A rotatable horizontal metallurgical furnace for the production of iron or steel includes cooling means at an open discharge end of the furnace. The cooling means includes an annular cooling coil surrounding the discharge end through which cooling liquid ... | 07/25/1978 |
