Class / Patent application number | Description | Number of patent applications / Date published |
201039000 | QUENCHING CHAR WITH AN INERT MATERIAL | 9 |
20120024688 | FLAT PUSH COKE WET QUENCHING APPARATUS AND PROCESS - A method and apparatus for quenching metallurgical coke made in a coking oven. The method includes pushing a unitary slab of incandescent coke onto a substantially planar receiving surface of an enclosed quenching car so that substantially all of the coke from the coking oven is pushed as a unitary slab onto the receiving surface of the quenching car. The slab of incandescent coke is quenched in an enclosed environment within the quenching car with a plurality of water quench nozzles while submerging at least a portion of the slab of incandescent coke by raising a water level in the quenching car. Subsequent to quenching the coke, the planar receiving surface is tilted to an angle sufficient to slide the quenched coke off of the planar receiving surface and onto a product collection conveyer and sufficient to drain water from the quenched coke. | 02-02-2012 |
20130306462 | METHOD AND DEVICE FOR BREAKING UP A FRESH AND HOT COKE CHARGE IN A RECEIVING TROUGH - A method and a device for breaking up a fresh and hot coke charge in a receiving trough having mobile plate segments, the coke charge being conveyed to a quenching tower in the receiving trough of a flatbed transport car in which the coke charge is cooled down to ambient temperatures by mobile plate segments so that the coke structure is broken up and crevice-type cavities are formed in the compacted coke charge. These crevice-type cavities then allow an increased amount of water to flow into the interior of the coke charge during the subsequent quenching step, resulting in a high profitability of the method, a higher coke quality and a reduced burden on the environment due to reduced quenching times and lower water consumption. A device for carrying out the method is also disclosed. | 11-21-2013 |
20140110240 | METHODS AND APPARATUS FOR ENHANCING THE ENERGY CONTENT OF CARBONACEOUS MATERIALS FROM PYROLYSIS - This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu/lb, 13,000 Btu/lb, 14,000 Btu/lb, or 14,500 Btu/lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and/or strength that derive from the feedstock, heat rate, and additives. | 04-24-2014 |
20140251784 | PROCESS FOR DRY COOLING OF COKE WITH CARBON DIOXIDE WITH SUBSEQUENT USE OF THE CARBON MONOXIDE PRODUCED - A process for dry cooling of coke with carbon dioxide with subsequent use of the carbon monoxide produced, in which the coal is cyclically converted to coke and the coke, after the coking oven has been unloaded, is introduced into a cooling apparatus, and carbon dioxide is introduced in the cooling apparatus for dry cooling, such that a Boudouard reaction gives rise to carbon monoxide, and the carbon monoxide produced is used to heat the coking oven. The process allows utilization of the heat which arises in the course of coking for production of carbon monoxide, which in turn is used in the heating, such that a very balanced heat budget of the overall process can be achieved overall. | 09-11-2014 |
20140311885 | COKE DRUM QUENCH PROCESS - Processes for quenching coke in a coke drum of a delayed coker unit that more thoroughly cool the coke, eliminate hot spots in the coke bed, and remove residual hydrocarbons from the coke prior to venting the coke drum may comprise a ramp quench phase and a pressure quench phase after the ramp quench phase. During the ramp quench phase, the coke drum internal pressure may rise to a maximum pressure level and then fall to a transitional pressure level. At least one control valve may be actuated at the transitional pressure level to increase the coke drum internal pressure from the transitional pressure level to a pulsed pressure level of the pressure quench phase. | 10-23-2014 |
20150122629 | WET QUENCHING TOWER FOR QUENCHING HOT COKE - A wet quenching tower for quenching hot coke, including a quenching chamber, having a quenching spray device above the quenching chamber for dispensing quenching water, having a flue placed on the quenching chamber, and having at least one separating device which is arranged horizontally or at a slanted angle relative to the vertical, which can be vertically permeated, and which has a plurality of lamellae. Each of the lamellae has a non-branching cross-section, flow paths being formed between each two adjacent lamellae. The flow paths formed between each two lamellae change direction multiple times and correspondingly have a serpentine shape. A method for quenching coke using the aforementioned wet quenching tower is also disclosed. | 05-07-2015 |
20150361347 | SYSTEMS AND METHODS FOR MAINTAINING A HOT CAR IN A COKE PLANT - The present technology describes various embodiments of systems and methods for maintaining a flat push hot car. In some embodiments, the flat push hot car includes an at least partially enclosed hot box having an interior portion, an exterior portion, a base, and a plurality of sidewalls extending upward from the base. The hot box can be coupled to or integrated with a fluid distribution system. The fluid distribution system can include a spray manifold having one or more inlets configured to release a fluid directed toward the sidewalls of the interior portion so as to provide regional cooling to the hot box. | 12-17-2015 |
20160060533 | METHOD AND SYSTEM FOR OPTIMIZING COKE PLANT OPERATION AND OUTPUT - The present technology is generally directed to methods of increasing coke production rates for coke ovens. In some embodiments, a coal charging system includes a false door system with a false door that is vertically oriented to maximize an amount of coal being charged into the oven. A lower extension plate associated with embodiments of the false door is selectively, automatically extended beyond a lower end portion of the false door in order to extend an effective length of the false door. In other embodiments an extension plate may be coupled with an existing false door having an angled front surface to provide the existing false door with a vertically oriented face. | 03-03-2016 |
20160145495 | A PROCESS AND APPARATUS FOR QUENCHING COKE - A method is described for quenching coke coming from the distillation of coal and having a temperature higher than or equal to 900° C., comprising the steps of a) lowering the temperature of said coke to about 700-300° C. by heat exchange with a fluid through walls of a thermally conductive material interposed between coke and fluid, b) feeding a continuous flow of said coke at about 700-300° C. into a turbo- cooler (T), comprising a cylindrical tubular body ( | 05-26-2016 |