| Patent Number |
Title Of Patent |
Date Issued |
| 6338488 |
Sealing system enabling an assembly |
January 15, 2002 |
| A method and device for a fit to size assembly of components or machine parts is provided in which fixed or relatively moving machine parts are sealed against inlet and outlet of a fluid material. A sealing member used for this sealing cannot be put in a position during the assembly, whi |
| 6190276 |
Chain scraping conveyor-drive shaft for coal mining |
February 20, 2001 |
| The invention relates to a multipart drive shaft of a chain drive for chain scraping conveyors for heavy-duty sprags in coal mining, consisting of a main shaft with unilateral or bilateral internal gearing for receiving externally geared stub shafts for the gear connection, and a chain |
| 5687674 |
Steam power plant for generating electric power |
November 18, 1997 |
| A steam power plant for generating electric power has a fossil-fuelled boiler, a water-steam cycle for generating high-tension, superheated steam for a steam turbine, an economizer to transmit heat from flue gas to the feed-water, an air preheater to transmit flue gas heat to fresh air a |
| 5435123 |
Environmentally acceptable electric energy generation process and plant |
July 25, 1995 |
| A process is disclosed for generating electric energy in a combined gas/steam generating power station in an environmentally acceptable manner by the efficient expansion of a high-pressure working medium in a gas turbine (4) and of high-pressure overheated steam from a fossil fuel fired |
| 5191845 |
Method of reprocessing sewage sludge |
March 9, 1993 |
| In a method of reprocessing sewage sludge in which the sludge is dried before it is burnt, it is proposed to use steam from the water-steam circuit of a fossil-fueled power station process as the heating medium for drying and to take the vapors arising during drying into a fire chamber |
| 5154128 |
Process for salvaging waste and device for preparing said waste |
October 13, 1992 |
| The waste (a) is dried in direct heat exchange with hot exhaust gas (r) from a coal-burning plant (10) and both the gas mixture (g) produced during drying (3) and the dry material (t) produced from the waste are fed into the coal-burning plant. |
| 5131335 |
Process for reducing nitric oxide emission during the combustion of solid fuels |
July 21, 1992 |
| In a process for reducing the nitric oxide emission during the combustion of solid fuels, the flue gases leaving from a main combustion zone (2) consecutively flow through two reduction zones (6,9). The first reduction zone (6) is operated hypostoichiometrically at temperatures above |
| 5099801 |
Process for operating a coal-based fluidized bed combustor and fluidized bed combustor |
March 31, 1992 |
| Some part (a) of the bed material is withdrawn continuously (9e, 10) from the lower region of the fluidized bed (20), cooled (11), screened (12, 13) on a belt (a') to obtain a particle size specific to the fluidized bed, and then recycled to the fluidized bed (15, 18). |
| 4997579 |
Procedure for the draining of sludge |
March 5, 1991 |
| Procedure for draining of sludge, especially flocculent flotation sludge, including introducing water-sludge mixture into a settling tank with an overflow and removing the settled sludge layer from the settling tank with a slanted conveyor. Horizontal grooves are then pressed in the slud |
| 4981089 |
Process for the reduction of nitrogen monoxide emissions during the combustion of solid fuels |
January 1, 1991 |
| In a process to reduce the nitrogen monoxide emissions generated during the combustion of solid fuels, before the combustion takes place, the entire amount of solid fuel is degasified inside a performance combustion area (2). At least part of the gas obtained during the degasification of |
| 4936881 |
Cooling tower for steam-powered plants |
June 26, 1990 |
| A cooling tower has a flue gas outlet extending upwardly above the heat exchanger baffles in which the water from a steam power plant is cooled in counterflow to a rising cooling air stream. The mouth of the duct is formed with a droplet trap supplied with rinse water and cooperates with |
| 4932335 |
Coal combustion with a fluidized incineration bed |
June 12, 1990 |
| According to a process for the combustion of organic substances, such as domestic or industrial waste and the like, in a fluidized incineration bed (1) at a mean combustion temperature of 800.degree. C., the flue gased emitted by the fluidized bed (1) are heated with the associated flue |
| 4885011 |
Cooling tower for the cooling water that drains/ from the condensor of a steam generator or the |
December 5, 1989 |
| The present invention relates to a cooling tower for the cooling water that drains from the condensor of a steam generator or from the condensors of a plurality of steam generators; the tower is fitted with large-area inserts and these form a heat-exchange area into which the cooling wat |
| 4784810 |
Smoke gas exhaust by way of a cooling tower |
November 15, 1988 |
| The present invention relates to a cooling tower for the cooling water that drains from the condensor of a steam generator or from the condensors of a plurality of steam generators; the tower is fitted with large-area inserts and these form a heat-exchange area into which the cooling wat |
| 4549401 |
Method and apparatus for reducing the initial start-up and subsequent stabilization period losse |
October 29, 1985 |
| In a method for reducing the start-up and stabilization period losses, for increasing the usable power and to improve the controllability of a thermal power plant, there are integrated into the power plant's steam cycle pressurized heat storage reservoirs which are charged by feeding |
| 4533002 |
Device for gripping and raising tamping tools or for holding raised tamping tools in a tamping m |
August 6, 1985 |
| In a device for gripping and lifting tamping tools or for holding raised tamping tools in a tamping machine, the individual tamping tools rods are clamped in abutments (2) by slideable clamping members (3). In the device for lifting tamping tools, a controllable working cylinder (6), con |
| 4492084 |
Method for supplying remote heating circuits with heat from a thermal power plant |
January 8, 1985 |
| Methods by which remote heating circuits are supplied with heat from a thermal power plant by using heat reservoirs located close to the power plant and heating the storage or working medium in a heat exchanger of a heat extraction cycle. The medium is initially heated to a base temp |
| 4372754 |
Ignition system for coal gasifier |
February 8, 1983 |
| An ignition burner and a pilot burner form part of an ignition system for a fluidized stream of finely-divided coal particles in a pressurized gasifier housing having a slag overflow pipe coupled to a discharge vessel. A fuel supply pipe delivers fuel for combustion by the ignition b |
| 4239514 |
Electrostatic precipitator with precipitator electrodes |
December 16, 1980 |
| The invention relates to an electrostatic precipitator with collecting electrodes which are arranged in rows adjacent to each other and in respective pairs at equal distances from a respective discharge electrode with which they cooperate. Spring elements are provided between the col |
| 4128402 |
Apparatus for compacting coal |
December 5, 1978 |
| An apparatus for compacting coal in a pounding box to convert it into a cake usable in coke ovens has one or more punners which are each composed of an upright the lower end of which carries a pounding foot. At opposite sides of the respective upright are arranged a pair of engaging elem |
| 4123349 |
Separation of solids containing residues from liquid fractions of a coal hydrogenation process u |
October 31, 1978 |
| A process for the separation of solids containing residues from a liquid fraction containing higher boiling fractions produced in a coal hydrogenation process at elevated temperatures and pressures. The separation process involves two expansion steps, one step in an expansion engine |
| 4123348 |
Process for catalytic hydrogenation of coal |
October 31, 1978 |
| A process for performing reactions in a reaction vessel contaning a catalyst bed of solid particles wherein the reaction between reactants is enhanced by imparting pulsating motion to the solid particles. The pulsating motion can be produced by pulsating introduction of at least one |
| 4123216 |
Coal compacting apparatus |
October 31, 1978 |
| Coal is pounded in a pounding box to form it into a cake which is then introduced into a coke oven. The pounding is effected by members that are repeatedly lifted and then allowed to drop onto the coal in the pounding box. When the coal is thus formed into a cake, the members are retaine |
| 4121541 |
Process for purifying flue gases |
October 24, 1978 |
| A process is provided for removing pollutants from flue gases generated in a steam generating power plant. The flue gases are partially cooled and directly contacted with a portion of the cooling water of a circulating cooling water system used to remove waste heat of the generated steam |
| 4111664 |
Method of and an arrangement for making stable massive compacted coal charge bodies for use in a |
September 5, 1978 |
| A massive compacted coal charge body is made by pounding a particulate bed consisting of moist coal particles by a plurality of sequentially operated rams until the particulate bed is converted into a charge body the height of which exceeds its width by at least eleven times and the char |
| 4108610 |
Method of and apparatus for compacting coking coal |
August 22, 1978 |
| Coking coal is pounded into a compacted cake of substantially uniform density in a pounding box by means of a plurality of punners mounted on carriages which can move to-and-fro lengthwise of the box. The punners are alternately raised and then allowed to drop under the influence of grav |
| 3956900 |
Method for consolidating coal and/or rock in mining |
May 18, 1976 |
| The specification describes a method for the consolidation of coal and/or rock in mines by injection of a liquid which subsequently hardens made up of magnesium chloride solution, having a specific gravity above 1.22, magnesium oxide and bentonite. Before transport the bentonite is suspe |
