| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 432014000 | Including passing, treating or conveying gas into or through particulate work | 16 |
| 20090098497 | Method for Preheating Cement Raw Meal, and Device for Carrying Out Said Method - In a method for the preheating of cement raw meal for the production of cement-clinker, in which the cement raw meal is conveyed towards the feed side of a cement clinker kiln ( | 04-16-2009 |
| 20090136884 | Direct-Fired Furnace Utilizing An Inert Gas To Protect Products Being Thermally Treated In The Furnace - A heating system includes a furnace configured to receive a product to be thermally treated within the furnace, where the furnace includes at least one burner to generate combustion gases from a source of oxygen and a carbon-based fuel source provided to the burner, and the combustion gases provide heat to the product disposed within the furnace. A gas pipeline delivers a heated inert gas into the furnace at a location proximate the product so as to at least partially surround and protect a surface of the product and minimize or prevent the product from chemically reacting with other gases within the furnace. | 05-28-2009 |
| 20090148801 | METHOD FOR THE CONTROLLED GENERATION OF HEAT AND CORRESPONDING DEVICE - According to the invention, there is a method for the controlled generation of heat, which is characterized in that charcoal is kept in a glowing state in an essentially closed-off glow chamber which has at least one fine-mesh screen-like wall for radiating the heat, and there is also a heat source with a charcoal bowl, in particular for carrying out the method, which is characterized by an essentially topside cover with a fine-mesh screen and by at least one ventilation orifice, into which issues in a lower region of the charcoal bowl an air supply line to which an air stream generator, in particular a blower, can be connected. | 06-11-2009 |
| 20090191497 | METHOD OF MIXING HIGH TEMPERATURE GASES IN MINERAL PROCESSING KILNS - A method is described for reducing NO | 07-30-2009 |
| 20090191498 | METHOD OF MIXING HIGH TEMPERATURE GASES IN MINERAL PROCESSING KILNS - A method is described for reducing NO | 07-30-2009 |
| 20090311644 | SOLUTION FOR TREATING LIME MUD - A method for treating lime mud, in which method the lime mud is conveyed to a lime kiln, where fuel gas is used as fuel, which fuel gas is formed by a circulating fluidized bed gasifier. A calcium compound is used as bed material in the gasifier. In addition, the invention relates to the use of a calcium compound in a lime mud treatment plant, as well as to a lime mud treatment plant. | 12-17-2009 |
| 20110159449 | Integrated Material Cooler and Heat Recovery Exchanger Apparatus and Process - A method of cooling a substance heat treated in a material processing plant in which the substance is cooled in a cooling apparatus to a temperature that is about 25% to about 55% of the temperature at which the partially cooled substance was when it entered the cooling apparatus. Heated gas is recycled from the cooling apparatus to at least one other process within the plant and the partially cooled substance is delivered from the cooler to a cogeneration system in which the substance is further cooled and the heat removed from the substance is used to generate power. | 06-30-2011 |
| 20120107758 | DIRECT SPRAY COOLING FOR LIMESTONE PREHEATERS - A preheating apparatus for particulate material using hot kiln gases to preheat the particular material. The apparatus has a means to cool the hot kiln gases prior to the gases being exhausted from the preheating apparatus. | 05-03-2012 |
| 20120171632 | DEVICE AND TREATMENT CHAMBER FOR THERMALLY TREATING SUBSTRATES - A treatment chamber for thermal processing of an areal substrate including a transport arrangement for conveying and supporting the substrate during the thermal processing and a gas-guiding arrangement for convective heating or cooling of the substrate, where the gas-guiding arrangement has outlet openings, by means of which the temperature-controlled gas is guided onto the substrate, and where a removal arrangement is provided, by means of which the gases introduced into the treatment chamber via the gas-guiding arrangement can be removed in a targeted fashion, such that the treatment chamber can be embodied as a heat-treatment chamber or as a cooling chamber. | 07-05-2012 |
| 20120282563 | ROTARY KILN LINING AND METHOD - Provided is a rotary kiln having a cylindrical shell having an inner cylindrical surface and a longitudinal axis and a kiln lining disposed on the inner cylindrical surface of the shell. The kiln lining includes one or more radial portions of a first size of shaped refractory material disposed on the inner cylindrical surface of the shell along the longitudinal axis for at least a portion of the shell and one or more lifter sections comprising a second size of shaped refractory material that extend along the longitudinal axis for at least a portion of the shell and are between radial portions of the first size of shaped refractory material, wherein the second size of shaped refractory material is greater than the first size of shaped refractory material, such that the second size of shaped refractory material extends orthogonally from the inner cylindrical surface for a greater portion of the diameter of the shell than the first size of shaped refractory material, the second size of shaped refractory materials thereby forming a series of blunt faces. Also included are methods of processing materials using the inventive kiln lining, and methods of assembling the inventive kiln lining. | 11-08-2012 |
| 20120315590 | METHOD AND APPARATUS FOR REDUCING NOX EMISSIONS IN ROTARY KILNS BY SNCR - A method of operating a mineral processing kiln includes introducing a quantity of a selective non-catalytic reduction (SNCR) reducing agent into the kiln. The SNCR reducing agent may be a solid, liquid, or a gas. A mineral processing kiln modified for the implementation of SNCR is also disclosed. | 12-13-2012 |
| 20130149655 | FLUIDISED BED TREATMENT - An apparatus for the treatment of a component using a fluidised bed of powder fluidised by a gas flow has a treatment chamber for receiving at least a treatment part of the component and for containing the fluidised bed. A fluidising gas inlet provides fluidising gas to the treatment chamber and a fluidising gas outlet removes used fluidising gas from the treatment chamber. A powder screen is located between the treatment chamber and the fluidising gas outlet, the powder screen operable substantially to prevent loss of powder from the fluidising bed entrained in the fluidising gas removed from the treatment chamber. The treatment chamber can be small and moveable, and then applied to a part of a component to be treated. Heating of the fluidised bed may be provided by heating of the fluidising gas in a fluidising gas reservoir remote from the treatment chamber. | 06-13-2013 |
| 432016000 | Including a dust control or particle separation step | 1 |
| 20100279241 | PLENUM CRUSHER DUST INJECTION - Methods for heating a solid material comprising a granular material are provided. Dust is removed from the granular material before it is heated. The dust is injected into the exhaust gas from the heater. The heated dust is recovered and combined with the heated granular material. | 11-04-2010 |
| 432017000 | Including modulation of flow rate of gas or treated material | 3 |
| 20090047613 | Method and Apparatus for Pneumatic Drying of Lime Mud - Method and apparatus for pneumatically drying thickened lime mud and feeding the dried thickened lime mud to a lime reburning kiln. The thickened mud is pneumatically dried via the action of flue gas emanating from the lime reburning kiln. The dried, thickened lime is separated from the flue gas in a cyclone separator. A process loop controller determines the temperature of the separated lime and, in response, controls the feed rate of lime fed to the pneumatic dryer to ensure that the dryer possesses the requisite latent heat needed to dry thickened lime therein. In one embodiment, the feed rate of lime fed to the thickener is adjustably controlled which, in turn, adjustably varies the flow rate of the thickened mud to the dryer. | 02-19-2009 |
| 20120148969 | Continuous process for drying microcapsules - The invention teaches continuous process for rapidly drying a population of pressure sensitive microcapsules. The process comprises the steps of a) preparing a slurry comprising pressure-sensitive microcapsules dispersed in an aqueous carrier solution and encapsulating a non-solid core material; b) providing a pulse combustor having a means for generating a pulsating flow of hot gases, the pulse combustor having an associated combustion chamber with inlet means for introducing fuel and combustion air to the combustion chamber whereby the combination of the pulse combustor and the combustion chamber generate a pulsating flow of hot gases, the pulse combustor having an outlet means for discharging the pulsating flow of hot gases, and a material feed introduction chamber connected proximate the outlet means of the combustion chamber; c) inputting the slurry of microcapsules into the material feed introduction chamber; d) converting the slurry of microcapsules to dried microcapsules in a drying chamber communicating with the combustion chamber through the outlet means, the drying chamber receiving the microcapsule slurry fed into the material feed introduction chamber and the pulsating flow of hot gases; and, e) collecting in a collection assembly associated with the drying chamber the microcapsules dried in the drying chamber, whereby the collected microcapsules are substantially free of breakage. | 06-14-2012 |
| 20120244484 | PARALLEL FLOW REGENERATIVE LIME KILN AND METHOD FOR THE OPERATION THEREOF - The method according to the invention for operating a PFR lime kiln having at least two shafts, which each have a preheating zone, a combustion zone and a cooling zone, and an overflow channel which connects the two shafts, substantially comprises the following method steps:
| 09-27-2012 |
