Class / Patent application number | Description | Number of patent applications / Date published |
110216000 | Means separating particles from exhaust gas | 22 |
20080229984 | Plant for Heating by Combustion of a Solid Fuel - The invention relates to a heating plant. The plant comprises a combustion chamber for combustion of a solid fuel, an outlet from the combustion chamber, and a heat exchanger containing a cooling medium and arranged in connection with the combustion chamber. A flue duct is connected to the outlet of the combustion chamber and passes through the heat exchanger. Downstream the heat exchanger, a cyclone is arranged to separate ash from the flue gases, and a flue fan is arranged to draw flue gases through the flue duct. The flue duct and the flue fan are dimensioned to maintain a high velocity of flow in the flue duct, all the way from the outlet of the combustion chamber and up to the cyclone, in order to achieve a blasting effect on the inside of the flue duct by ash particles being drawn through the flue duct. | 09-25-2008 |
20090101050 | METHODS AND SYSTEMS FOR REDUCING CARBON DIOXIDE EMISSIONS - A reduced emission kiln is described. In some embodiments, the kiln includes a combustion zone for generating heat energy. The combustion zone includes an oxygen inlet and a fuel inlet. In some embodiments, the kiln also includes a calcination zone for converting limestone into lime and carbon dioxide in response to the heat energy from the combustion zone. The calcination zone includes an inlet for limestone, a conduit for directing the carbon dioxide to the combustion zone for use as a flood gas to control the heat energy, an outlet for directing the lime to a hydration chamber, and a carbon dioxide permeable membrane for separating the carbon dioxide in the calcination zone from other materials in the calcination zone and preventing the other materials from entering the conduit for directing the carbon dioxide. | 04-23-2009 |
20090145343 | Sorbents for Removal of Mercury From Flue Gas Cross Reference To Related Applications - Systems are disclosed for making and using micro-porous particulates at least partially composed of metal sulfides, particularly alkaline earth metal and transition metal sulfides, as sorbents for removal of mercury from flue gas. Calcium sulfide micro-porous powders derived from the high temperature reduction of calcium sulfate and calcium sulfite are disclosed to be reactive substrates for a group of sorbents for adsorption of mercury from coal combustion flue gases produced by the utilities industry, as well as from natural gas and gaseous and liquid hydrocarbons. The sorbents are useful for cost-effectively adsorbing elemental mercury and oxidized mercury species such as mercuric chloride from flue gases, including those containing acid gases (e.g., SO.sub.2, NO and NO.sub.2, and HCl), over a wide range of temperatures. | 06-11-2009 |
20090165685 | WET DUST REMOVER - This invention relates A wet dust remover, comprising a Venturi tube and a cylindrical washer, wherein the Venturi tube includes a convergent section, a throat section and a diffusion section, the sidewall of said throat section is provided with one or more through holes, the outer ends of the one or more through holes are connected to a pressure water pipe, the outer end of said diffusion section constitutes the outlet of the Venturi tube, the outer end of said convergent section constitutes the inlet of the Venturi tube, wherein the cylindrical washer includes a plurality of nozzles and a plurality of layers of dehydration wire meshes, the plurality of nozzles and the plurality of layers of dehydration wire meshes are placed in cross sections inside cylindrical washer. This wet dust remover feature less investment, high dust removing efficiency and relative long life, low water consumption and low operation costs and it can be mainly used in dusting applications for industrial dust and high concentration flue gas of all industrial furnaces and kilns. | 07-02-2009 |
20090211500 | AIR-FIRED CO2 CAPTURE READY CIRCULATING FLUIDIZED BED HEAT GENERATION WITH A REACTOR SUBSYSTEM - A combustor | 08-27-2009 |
20090301362 | FLUE DUST DISCHARGING METHOD AND SYSTEM - A dust discharging system for a blast furnace includes a dust collector for collecting flue dust from flue gas produced from the blast furnace, a first discharge conduit connected to the dust collector, a separator connected to the first discharge conduit for separating residual flue gas present in the flue dust, and an airtight tank disposed below the first discharge conduit to receive the flue dust in a dry state separated from the residual flue gas. | 12-10-2009 |
20100024694 | Separator Construction of a Fluidized Bed Boiler - A separator construction, connectable to a fluidized bed boiler having a furnace, for circulating bed material and returning the material to the furnace. The separator construction includes walls, a ceiling, an inlet conduit, an outlet conduit in flow communication with a flue gas channel located above the separator, and a suspending device connecting the separator to a supporting structure in a building housing the boiler. The suspending device is formed of a frame arranged between the flue gas channel and the separator in connection with an upper circumference of the wall of the separator, and hanger rods or wires connecting the frame directly to the supporting structure. | 02-04-2010 |
20100024695 | Fabrics - Fabric comprising a plurality of fibers (F) comprising at least one polymer material (P) selected from the group consisting of:
| 02-04-2010 |
20100064951 | MULTI-POINT EMISSION SAMPLING SYSTEM - A system for collecting emission samples can include at least one probe having a plurality of elongate tubes, with each tube having an opening formed therein for positioning in an emission producing facility, such as in an outlet duct of a power generating facility. Each of the tubes can be of varying length with the tube openings at a terminal end of each tube, such that the tube openings reside at varying spaced-apart points when positioned in the outlet duct. Suction means, such as an aspirator, can be operatively connected to the plurality of tubes to suction gas in the facility through the openings and into the tubes, so that emissions carried in the suctioned gas are drawn into the plurality of tubes. A collection container can be operatively connected to the plurality of tubes and the suction means, such that the emissions are suctioned into the tubes and deposited into the collection container. | 03-18-2010 |
20100107939 | TREATMENT METHOD FOR HIGH-TEMPERATURE EXHAUST GAS - This invention is intended to lower a temperature of a high-temperature exhaust gas to a desired temperature, while effectively suppressing adhesion of melting components and dusts in the high-temperature exhaust gas onto an inner wall of a cooling tower. For this purpose, a method of the present invention comprises an introduction step of introducing a high-temperature exhaust gas into a cooling tower through a gas duct, and a cooling step of sparging cooling water to the high-temperature exhaust gas in the cooling tower to cool the high-temperature exhaust gas. During the introduction step, the high-temperature exhaust gas is introduced into the cooling tower through the gas duct comprising two gas duct lines, in such a manner that respective portions of the high-temperature exhaust gas from the two gas duct lines become equal to each other in flow velocity and flow volume. Further, respective axes of the two gas duct lines are arranged so as to extend in directions opposed to each other and approximately orthogonal to an axis of the cooling tower, when viewed from a direction along the axis of the cooling tower. | 05-06-2010 |
20100269739 | MAINTENANCE DRAWER FOR THE COMBUSTION CHAMBER AND SMOKE ASPIRATION FAN OF THE FLUE OF A BIO-MASS POWERED THERMAL BOILER - Maintenance drawer for the combustion chamber and smoke aspiration fan of the flue of a bio-mass powered thermal boiler, characterised by the fact that it is inserted into the front part of the thermal boiler, that it has two compartments, that one compartment is situated under the furnace to collect the ashes, that the other compartment is situated under the aspiration fan to collect the dust contained in the smoke from combustion. | 10-28-2010 |
20100269740 | HEAVY FUEL-FIRED BOILER SYSTEM AND OPERATING METHOD THEREOF - In an exhaust gas treatment system including a denitration device that removes nitrogen oxide in exhaust gas from a heavy fuel-fired boiler, an air preheater that recovers heat in the gas after the nitrogen oxide is removed, an electric precipitator that removes dust while adding ammonia into the gas after heat recovery, a desulfurization device that removes sulfur oxide in the gas after dust removal, and a stack that exhausts the gas after desulfurization to the outside, an ash-shear-force measuring instrument is provided to measure an ash shear force, which is ash flowability, on the downstream side of the electric precipitator, so that a feed rate of an air supply unit that supplies air to the boiler is reduced according to ash shear-force information. | 10-28-2010 |
20100282140 | INTEGRATED MERCURY CONTROL SYSTEM - An integrated system [1000] is described for reducing operating costs of power plants while keeping gaseous pollutants in exhaust flue gasses, such as Mercury (Hg), below acceptable limits. Controller [1800] monitors and controls operation of a scrubber [1300], activator injection system [1400], sorbent injection system [1500] and a filter [1600]. Scrubber [1300] provides a neutralizer to remove SO | 11-11-2010 |
20110185953 | EXHAUST GAS TREATMENT METHOD AND SYSTEM IN CEMENT BURNING FACILITY - An object of the present invention is to provide an exhaust gas treatment method and system of a cement burning facility which can be configured by general-purpose apparatuses, and which is capable of improving the handling property of collected fine powder dust and thereby realizing a stable operation without the need of maintenance. To this end, according to the present invention, the chlorine concentration of the collected fine powder dust is set in a range of 5 to 20% in such a manner that when a part of exhaust gas is extracted as extracted gas from a lowermost part of a preheater | 08-04-2011 |
20110247533 | FUME BOX FOR A DOMESTIC HEATING APPLIANCE USING SOLID FUEL - The invention relates to a fume box having a separation partition ( | 10-13-2011 |
20110303133 | POLLUTION ABATEMENT PROCESS FOR FOSSIL FUEL-FIRED BOILERS - The present invention provides improved boiler assemblies ( | 12-15-2011 |
20120055383 | Modular Air and Particulate Filtration Apparatus - A modular air and particulate filtration system for capturing emissions and particulates from an agricultural burn comprises a particulate filtration system with a series of panels that create a shute-like containment areas. In another embodiment the system forms a tent-like structure having an inner filtration layer and an outer containment layer overlapping the inner filtration layer, a plurality of vents in the outer containment layer and a particulate waste removal element. The particulate filtration element, the plurality of vents and the particulate waste removal element operates in combination with a ventilation system to substantially absorb effluence or smoke and particulate matter or debris produced by the agricultural burn. The vents may be completely or partially closed based on the need for airflow and oxygen to maintain the burn. | 03-08-2012 |
20130213280 | METHODS AND SYSTEMS FOR REDUCING CARBON DIOXIDE EMISSIONS - A reduced emission kiln is described. In some embodiments, the kiln includes a combustion zone for generating heat energy. The combustion zone includes an oxygen inlet and a fuel inlet. In some embodiments, the kiln also includes a calcination zone for converting limestone into lime and carbon dioxide in response to the heat energy from the combustion zone. The calcination zone includes an inlet for limestone, a conduit for directing the carbon dioxide to the combustion zone for use as a flood gas to control the heat energy, an outlet for directing the lime to a hydration chamber, and a carbon dioxide permeable membrane for separating the carbon dioxide in the calcination zone from other materials in the calcination zone and preventing the other materials from entering the conduit for directing the carbon dioxide. | 08-22-2013 |
20130213281 | Refuse incineration plant and incineration exhaust filtration system and method for use therewith - A filter vessel for removing metal particles from exhaust, comprising a casing defining an internal chamber adapted to receive a flow of gas travelling along a flow direction; an electrostatic grid disposed in the internal chamber in intersecting relation to the flow direction, the electrostatic grid adapted to electrostatically charge metal particles in the flow of gas; a first electromagnet disposed on the casing in a downstream location along the flow direction relative to the electrostatic grid, the first electromagnet adapted to attract the electrostatically charged metal particles; a second electromagnet disposed on the casing in a downstream location along the flow direction relative to the first electromagnet, the second electromagnet adapted to attract the electrostatically charged metal particles; a controller configured to control the energization of the first and second electromagnets; and a metal particle collector for collecting electrostatically charged metal particles attracted by the first and second electromagnets. | 08-22-2013 |
20150007759 | Multiple Output Stream Particle Beneficiation and Chemical Processing - A reactor ( | 01-08-2015 |
20150144038 | REMOVAL DEVICE FOR RADIOACTIVE CESIUM - To provide a device for removing radioactive cesium from waste material containing radioactive cesium, doing so at low energy and in a dependable manner. The removal device | 05-28-2015 |
110217000 | Outlet screen | 1 |
20100307388 | FLUE GAS PURIFICATION PLANT - A plant for purifying the flue gases from a furnace, in particular from a rotary cement kiln, has at least one selective reduction catalyst for reducing nitrogen oxides present in the flue gas, optionally introduction of a reducing agent and a dust filter or precipitation system. The dust precipitation system is formed by at least one first and one second filter apparatus. The reduction catalyst is arranged between the first and second filter apparatuses. | 12-09-2010 |