Class 34/177 - With heating tubes

Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Apparatus including in- direct heat exchange tubes for the
No. of patents: 28
Last issue date: 08/15/2006

Number	Title	Issue Date
7089681	Method and apparatus for filtering and drying a product The present invention relates to a method and apparatus for filtering and drying a product. In a preferred embodiment, the apparatus comprises a container having a plurality of porous walls and a plurality of solid walls that divide the container into a plurality of...	08/15/2006
6584701	System, apparatus, and method for reducing moisture content of particulate material A system for drying particulate material in a drying hopper (DH) has a plurality of gas flow paths, one (FP1) of which extends from a compressed gas inlet (16) to a first sub-system (SS1) that includes a membrane dryer(MD) and a heater (EH'), whereby drie...	07/01/2003
6223451	Apparatus for drying granular objects involving pre-heating process An apparatus for drying granular objects comprises, from the top of the apparatus, a holding section; a heating section for heating the granular objects flowing down from the holding section, the heating section being provided beneath the holding section ...	05/01/2001
6202319	Grain dryer heat exchanger A heat exchanger for use on existing grain dryers or integral to new grain dryers that recovers heat from the moist hot exhaust air leaving the grain columns and uses this recovered heat to preheat ambient air being drawn into the grain dryer via a blower...	03/20/2001
5857516	Pressure reducing heat exchanger A heat exchanger 10 comprises a pressure vessel 14 having a feed inlet 11 in an upper part thereof for particulate material to be subjected to heat exchange and an outlet 13 at a lower part thereof for the outflow of particulate material from the vessel 1...	01/12/1999
5526580	Method and heat-exchanger for preheating broken glass and glass-batching melt-goods or similar bulk goods using a heating gas As a rule a melt-good consisting of glass fragments and glass batching will be moist and tend to agglomerate and bridge-form when being preheated in a plate heat-exchanger 10 whereby the travel of the melt-good through the plate heat-exchanger 10 may be b...	06/18/1996
5483752	Device for heating or cooling bulk materials, particularly for lignite preheating A device for heating or cooling of bulk material including two pairs of vibrating chutes, with each pair being formed of two oppositely inclined chutes mounted one above the other and with each pair being equipped with a unidirectional vibrator, and with ...	01/16/1996
5353864	Mass flow cooler A mass flow cooler for cooling particulate material comprising a vertical bin having a top end, a bottom end, a material inlet near the top end and a material discharge in the bottom end; the material discharge comprising a plurality of orifices through w...	10/11/1994
5289643	Apparatus for drying a moist particulate material with superheated steam An apparatus for drying a moist particulate material having a non-uniform particle side with superheated steam includes a cylindrical part wherein a number of parallel, substantially vertical elongated chambers is located in ring form, one or more of the ...	03/01/1994
4784216	Heating and/or drying apparatus This application discloses several components relating to a heating apparatus which preferably are used in conjunction with each other in an apparatus for heating solid granular or particulate material, such as aggregate used to make asphalt concrete. One...	11/15/1988
4757618	Ship system for the recovery of fuel oil from sludge removed by flushing of heavy oil purifiers The system comprises a settling tank with a steam heating coil, connected via a pipe conduit to a sludge pump and a sludge tank in which the sludge and fuels are collected. The settling tank is also connected to a control unit which comprises gate valves,...	07/19/1988
4617744	Elongated slot dryer for wet particulate material An elongated slot dryer is disclosed for drying wet solid particulate material. The slot dryer is constructed in the form of a trench with at least one aperture outlet at the bottom of the trench formed by two non-connecting walls. The wet particulate mat...	10/21/1986
4602438	Method and apparatus for fluidized steam drying of low rank coals with wet scrubbing A method and apparatus for drying low-rank coals, such as lignite, where the coal is passed through a sealed vessel in a plurality of heated fluidized beds, with fluidization effected by superheated steam flowing countercurrent to the coal flow. A composi...	07/29/1986
4601113	Method and apparatus for fluidized steam drying of low-rank coals A method and apparatus for drying of low-rank coals, such as lignite, where the coal is passed through a sealed vessel in a plurality of heated fluidized beds with fluidization effected by superheated steam flowing counter-current to the flow of coal. A c...	07/22/1986
4583301	Variable volume vacuum drying chamber An apparatus for reducing the moisture content of a material, such as grain, has a variable volume chamber, which in use is filled with the material. Material within the chamber is heated by heating means to reduce its moisture content. A pumping means is...	04/22/1986
4546821	Heat exchanger with bulk material retarder system A heat exchanger consisting of a housing (1) with integrated caloric surfaces (3) for cooling bulk materials (8)--in particular hot foundry molding sands--comprises a retarder system in the form of a sand cascade which consists of an upper perforated plat...	10/15/1985
4499669	Combination dryer and surge bin A combination surge and drying apparatus is described which includes first and second bins, a jacket surrounding the first bin for passage of a hot fluid therethrough, and air coils positioned within the jacket to be heated by the hot fluid. Air within th...	02/19/1985
4481724	Device for drying and preheating coking coal In order to preserve the quality of treated coking coal, the drying and preheating operation is performed in consecutive stages. For this purpose, a set of superimposed containers is provided with vertically oriented pipes for a heating medium, the pipes ...	11/13/1984
4441549	Heat exchanger within dense gravity layer A heat exchanger within a dense gravity layer comprises a vertical cylindrical container with a heating surface built thereinto. The heating surface is formed by a tubular housing containing a plurality of tubes mounted in tiers. A space between the inner...	04/10/1984
4431485	Travelling bed drier apparatus for the operation of a carbonization plant A travelling bed drier is disclosed, for operation of a carbonization or coking plant in which pre-heating of coal is performed. Adapted so that a fluidized bed drier can be superposed thereon, the travelling. bed drier possesses a heat exchange tube with...	02/14/1984
4430161	Cascaded coal drier for a coking plant In a coking process, coal to be coked is preheated in a cascaded whirling bed drier into which the coal is charged from above and exposed to an indirect heat transfer while whirling in a coal-steam mixture. Hot gas applied to the heating pipes in respecti...	02/07/1984
4379692	Method of drying and preheating moist fine material and apparatus for carrying out the method A preheating moist fine material, such as pit coal and lignate, peat, wood, oil shale, or even ores or limestone for cement production, and an apparatus for carrying out the method are disclosed. Moist fine material is mixed above a heater with predried a...	04/12/1983
4341516	Grain dryer with heat exchange assembly In accordance with the present invention, a grain dryer having a heat exchange assembly is provided. The grain dryer comprises a housing and a generally vertical granular-material conduit for conducting granular material through the housing. The heat exch...	07/27/1982
4292743	Cereal dryer Cereal grain dryer comprising an elongated vertical casing defining an open ended enclosure. A combustion chamber provides hot combustion gases divided into two streams: one flowing into a coil lining an upper section of the casing and the other flowing t...	10/06/1981
4280415	Method and apparatus for drying and processing moisture-containing solids A method and apparatus for drying and processing moisture-containing solids comprising organic and/or mineral inorganic components, wherein a maximum utilization of energy is attained by providing for an energetic cross-linkage between the drying and subs...	07/28/1981
4223452	Drying process and apparatus for accomplishing the same A process and apparatus for drying wet solid material are provided. The process comprises introducing material into a dryer, bringing it into contact with one side of a plurality of heated surfaces located therein and vaporizing liquid in the material. Th...	09/23/1980
4125947	Drier for bulk material The apparatus consists of a hollow cylindrical case arranged at an angle to the horizontal axis of its rotation. Disposed in a space inside the case are coils each bent into a helix of suitable shape, arranged coaxially relative to other coils and connect...	11/21/1978
4037648	Method of cooling recovered sand for casting purposes and apparatus therefor Method and apparatus for the substantially continuous cooling of recovered casting sand in discrete compartments of a bunker whereby the sand in each compartment is cooled while substantially at rest in heat exchange relation with heat exchanger means dis...	07/26/1977

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Class 34/177 - With heating tubes