| Patent Number |
Title Of Patent |
Date Issued |
| 4807698 |
Heat exchanger for gases under high pressure |
February 28, 1989 |
| A heat exchanger for gases under high pressure comprises a pressure vessel, a pluraity of heat exchanger trains arranged in the pressure vessel so that gas flows through the heat exchanger trains, the heat exchanger trains being formed as substantially identical structural units, the hea |
| 4797198 |
Process for the working up of salvage oil |
January 10, 1989 |
| A process is disclosed for the working up of salvage oil, in which the salvage oil is subjected to an extraction under supercritical conditions. The halogen compounds contained in the produced extract are removed by catalytic hydrogenation. The extraction residue is eliminated by dep |
| 4791817 |
Method of determination and monitoring of fuel mass stream |
December 20, 1988 |
| A method of determination and monitoring of a fuel mass stream supplied for partial oxidation of fine-grain up to pulverized fuels to a gasifier includes determining a total density .rho..sub.tot of a fuel stream conveyed by a fluidizing gas in an outlet conduit of a fuel bin with the |
| 4779757 |
Container with internal lining |
October 25, 1988 |
| A container for chemically aggressive liquids and gases has an internal lining which has a coating of meshed wire or expanded metal welded to at least a portion of the inner face of the container and a layer of synthetic resin putty applied to said coating. |
| 4776927 |
Process for the separation of aromatic hydrocarbons from a hydrocarbon mixture |
October 11, 1988 |
| A process is disclosed for the separation of aromates from hydrocarbon mixtures of optional aromate content through extractive distillation using N-substituted morpholine displaying substituents having no more than 7 C-atoms as selective solvent. Part of the solvent is delivered to the |
| 4770749 |
Coke oven door |
September 13, 1988 |
| The coke oven door is provided with a sealing diaphragm which has a sealing strip which comes to engagement with the frame which defines the chamber of the coke oven when the door closes, a plurality of pressure elements each including a housing and an adjustable spring to apply a force |
| 4765631 |
Stuffing box sealing arrangement |
August 23, 1988 |
| A stuffing box sealing arrangement for sealing a rotary shaft which extends into a pressure space includes two separate consecutive pressure chambers arranged at axially spaced locations along the shaft and an intervening space sealed with respect to the exterior of the arrangement and t |
| 4750553 |
Heat exchanger for cooling solid substance-containing gas |
June 14, 1988 |
| A heat exchanger for cooling solid substance-containing gases comprises a plurality of heat exchanging tubes through which gases flow. An intake nozzle of a trumpet-shaped configuration is coaxially mounted on and connected to the end portion of each heat exchanger tube. A locking device |
| 4732652 |
Clamping system for coke oven heating walls |
March 22, 1988 |
| A clamping system for preventing detrimental tensile and shearing stresses in heating walls used for example as partitions in industrial furnaces, comprises clamping plates adjoining opposite end faces of a heating wall plate, yoke-shape beams facing each clamping plate and interconnecte |
| 4731097 |
Gas cooling device for a gasifer |
March 15, 1988 |
| A device for cooling a stream of hot producer gas exiting from a gasification reactor operating at an increased pressure, includes a set of water spraying nozzles directed against the producer gas stream. Water feeding conduits connected to the nozzles pass through a sealing web prov |
| 4727753 |
Arrangement for monitoring pressure pulses in gas/particulate material media flowing through pip |
March 1, 1988 |
| An arrangement for monitoring pressure pulses in gas/particulate material media flowing through pipelines and/or containers includes an annular metallic housing which surrounds a flow passage and has in its interior an annular chamber which extends around the flow passage and is separate |
| 4704195 |
Method of reducing NO.sub.x component of flue gas in heating coking ovens, and an arrangement of |
November 3, 1987 |
| In regenerative coking ovens having vertical heating flues cooperating in pairs, high level and low level combustion stages and means arranged at the bottoms of respective heating flues to recirculate the flue gas, the following measures insure a substantially reduced generation of NO.su |
| 4664783 |
Method for the separation of aromates from hydrocarbon mixtures containing aromatics |
May 12, 1987 |
| A method is disclosed for the separation of aromates from hydrocarbon mixtures employed as entry products, by means of extractive distillation, employing as selective solvent N-substituted morpholine, the substitutions of which display no more than 7 C atoms. The raffinate produced as to |
| 4655793 |
Method for operating a coal gasifier |
April 7, 1987 |
| In a method for safely operating a coal gasifier which is indirectly cooled by passing a heat-carrying oil through a cooling jacket of the gasifier, the pressure of the heat-carrying oil is continually measured after having passed through the cooling jacket. If the measured pressure fall |
| 4651572 |
Venturi tube |
March 24, 1987 |
| A Venturi tube which is especially suited for the differential pressure measurement of flowing gas/particulate material media with high dust loading at temperatures exceeding 100.degree. C. and at elevated pressures includes a pressure-resistant metallic jacket and an inner lining of |
| 4647441 |
Method for the regeneration of washing solution utilized for simultaneous washing of nitrous oxi |
March 3, 1987 |
| In a method for the regeneration of washing solution, which is used for washing nitrous oxide and sulfur dioxide out from exhaust gases, a portion of the washing solution containing a complex-forming substance, which is Iron (II)-chelate complex of ethylenediaminotetraacetic acid (EDTA), |
| 4632766 |
Method of treatment of waste water obtained in a gasification plant during washing of raw gas |
December 30, 1986 |
| In a method of treating waste water obtained in a direct washing with water of raw gas in a plant for a gasification of gas, the waste water is first settled in a settling tank and a resultant concentrated slime-containing water is subjected to a multi-stage oxidation with air or oxygen |
| 4617988 |
Soot blower for the removal of deposits from surfaces of heat exchangers or the like |
October 21, 1986 |
| A soot blower for the removal of deposits collected on the surfaces of walls forming a chamber, through which gases containing solid particles flow, is integrated in one of the walls which form that chamber. The feeding pipes of the blower for feeding a blowing agent into the chamber |
| 4612173 |
Method of purifying by-product gypsum |
September 16, 1986 |
| Disclosed is a method of purifying by-product gypsum by making it into a sludge and washing the sludge in a single, multi-stage filtering washer. The washing liquid is recovered from the filtrate from the first stage of the washer and subject to neutralization in a two-stage neutralizing |
| 4603588 |
Device for gripping specimens |
August 5, 1986 |
| A device for gripping a specimen for applying to the same tensile or torsional strain includes two plates spaced from each other and a tubular spacer extended between the two plates and accommodating a specimen. The specimen is attached to the plates by respective nuts. One end of the |
| 4595491 |
Process for the separation of aromatic hydrocarbons from a hydrocarbon mixture of varying aromat |
June 17, 1986 |
| A process is disclosed for the separation of an aromatic hydrocarbon from a hydrocarbon mixture of varying aromatic content, by means of extractive distillation, employing as a selective solvent, an N-substituted morpholine, wherein the N-substituent contains up to 7 carbon atoms. In |
| 4591366 |
Method of subsequent treatment of sulfur gas from waste pyrolysis |
May 27, 1986 |
| In a method of subsequent treatment of sulfur gas from waste pyrolysis, the sulfur gas is cooled after hot dust removal in many stages to an end temperature between 0.degree. and 5.degree. C., wherein the components [condensate] separated from the gas are subdivided into a heavy tar, an |
| 4590867 |
Pin for holding and/or cooling of ceramic coatings in hot reaction chambers |
May 27, 1986 |
| A pin for holding and/or cooling of a ceramic coating in hot reaction chambers has a pin shaft and a pin cap connected with one another in firm and heat-conductive manner, wherein the pin shaft is composed of material corresponding to the reaction conditions in the hot reaction chamber, |
| 4586986 |
Method of recovering pure aromatic substances |
May 6, 1986 |
| Disclosed is a method for recovering pure aromatic substances from a mixture of hydrocarbons containing both aromatic and non-aromatic fractions. The input mixture is fed through an extractive stage provided with a preliminary distillation column. In the preliminary stage the aromati |
| 4574713 |
Pin for holding and/or cooling of ceramic coatings in hot reaction chambers, and method of manuf |
March 11, 1986 |
| A pin for holding and/or cooling ceramic coating in hot reaction chambers is composed of a pin shaft and a pin cap which are connected with one another by a diffusion welding forming therebetween a homogeneous material connection possessing a high strength and high heat conductive proper |
| 4559210 |
Multi-stage method for washing-out ammonia from gas, particularly coking oven gas |
December 17, 1985 |
| In a multi-stage washing process for the removal of ammonia from coking oven gas, a portion of waste water, produced during the separation of ammonia from ammonia-containing water in an ammonia still, is supplied to an ammonia water at the final stage of washing, at which ammonia is wash |
| 4554053 |
Method and device for removal of heavy tar from a coke-oven gas during cooling |
November 19, 1985 |
| In a method of removing heavy tar produced in a coke oven during the cooling of a coke-oven gas from the coke-oven gas, the heavy tar pieces are crushed in a pulverizer to obtain particles of the size of less than 1 mm. The heavy tar particles are then rarefied by the addition to them of |
| 4532010 |
Door structure for coking ovens |
July 30, 1985 |
| A door structure for coke oven is disclosed which includes at least two locking head rails and having a door body which is continuously made of a flexible and elastic material. According to this invention, the material of the door body and the sealing membrane or its compression elements |
| 4530821 |
Bridging operational shut-downs of the ammonia washer of a plant operating according to the semi |
July 23, 1985 |
| A process and system are disclosed for the bridging of operational standstills of an ammonia washer of a plant operating according to the semi-direct technique for the removal of ammonia from coking oven gas. During the operational standstills of the ammonia washer, the ammonia is wa |
| 4523906 |
Device for drying gypsum |
June 18, 1985 |
| Cold, wet gypsum is admixed to a moving bed of hot solid particles of a heat-retaining material. The mixture is fed to a moving bed type drier where it is agitated while the released vapors are withdrawn. After discharge from the drier, dry gypsum is separated from the heating partic |
| 4518461 |
Support for batteries of coking furnaces heated from the top |
May 21, 1985 |
| A support for a battery of coking furnaces with regenerators has a plurality of waste heat passages formed beneath the regenerators and extending in a longitudinal direction of the battery, a foundation formed by a floor member and also by wall members of the waste heat passages, a f |
| 4511549 |
Process for the elimination of waste water produced upon the desulfurization of coking oven gas |
April 16, 1985 |
| A process is disclosed for the elimination of waste water falling out with the desulfurization of coking oven gas by means of an organic oxygen carrier--containing washing solution with simultaneous recovery of elemental sulfur. The waste water is decomposed in a combustion chamber in |
| 4505719 |
Process for cleaning and cooling partial oxidation gases containing dust-like pollutants |
March 19, 1985 |
| Partial oxidation gases such as formed in a coal gasifier are passed into a mechanical dust separator and prior to their further treatment in a wet cleaner are then passed into a direct cooler where they are cooled to a temperature close to the dewpoint. The gases are thereafter cooled i |
| 4488936 |
Heat input control of an extractive distillation column |
December 18, 1984 |
| A process and apparatus are provided controlling the heat input of an extractive distillation column. The bottom of the column is heated with a major stream of thermal energy which is either slowly varying in time or controlled by the amount of starting material mixture and with a minor |
| 4486269 |
Method of dry cooling coke |
December 4, 1984 |
| Cooling of a gas-permeable loose material having highly temperature-dependent coefficient of thermal conductivity is performed in a shaft-shaped chamber with use of a gaseous cooling medium so that the loose material is fed from above downwardly in a counter stream against a stream o |
| 4481724 |
Device for drying and preheating coking coal |
November 13, 1984 |
| 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 in each container having separate |
| 4470878 |
Method for drying coal and cooling coke |
September 11, 1984 |
| 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-stream mixture. Hot gas applied to the heating pipes in respective cascades of the drier is |
| 4469559 |
Container for transporting hot coke |
September 4, 1984 |
| A container for transporting hot coke has a cylindrical portion and a narrowing conical portion downwardly extended therefrom. A rotation ring carrying grippers is positioned in the upper region of the container, which is operated during the filling of the container with coke. |
| 4456505 |
Coking oven with horizontal chambers for producing coke |
June 26, 1984 |
| In a coking oven with a horizontal chamber the chamber is provided with a filling hole having a cylindrical portion with the diameter D and a reduced portion downwardly extending therefrom into the chamber over the height H. The ratio between D and H.ltoreq.1.5. |
| 4454959 |
Transport container for transporting hot particulate materials |
June 19, 1984 |
| A transport container for transporting hot particulate materials, particularly coke, has a wall bounding an inner chamber for accommodating a hot particulate material and having an inner side, a coating arranged at the inner side of the wall and composed of a plurality of coating members |
| 4452586 |
Method of blast heating |
June 5, 1984 |
| A method of and a device for blast heating is described, employing separate indirect heat exchangers for combustion air and fuel gas fed to a regenerator and flue gases discharged from the regenerator. The indirect heat exchangers share heat-transfer liquid recirculating in a circuit in |
| 4438571 |
Arrangement for dry cooling of coke |
March 27, 1984 |
| An arrangement for dry cooling of coke has a prechamber for a coke to be cooled with a prechamber wall, a cooler with a cooler wall, a plurality of connecting members connecting these walls with each other, so that a cooling gaseous medium can pass between the connecting members, and a |
| 4436589 |
Method of pretreating coal for coking plant |
March 13, 1984 |
| Coal is pretreated for a coking plant so that it is passed in two stages through two throughflow driers successively connected with one another, the driers are supplied with a heat carrier formed by a steam overheated to a temperature between 400.degree. and 600.degree. C., dust is remov |
| 4431485 |
Travelling bed drier apparatus for the operation of a carbonization plant |
February 14, 1984 |
| 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 within a frame, the tube displaying a |
| 4430161 |
Cascaded coal drier for a coking plant |
February 7, 1984 |
| 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 respective cascades of the drier is b |
| 4410400 |
Extractive distilling with reworking of residue |
October 18, 1983 |
| A method for working up residues of an extractive distilling process for obtaining pure hydrocarbons. The residue from an extractive distilling column is fed to the about middle part of a distilling column. The hydrocarbons are distilled and removed at the head of the distilling colu |
| 4388151 |
Method and device for feeding purging and degraphitizing air into coke ovens |
June 14, 1983 |
| A method and a device for feeding purging and degraphitizing air into pipes for rich gas leading to the heating walls of coke ovens. In the device a first cross-sectional opening is connected to a pipe for rich gas. This opening can be opened and closed with a first gate and is adapted t |
| 4384846 |
Burner |
May 24, 1983 |
| A burner for gaseous and liquid fuels includes a hollow water cooled casing and a hollow water cooled jacket surrounding the casing. Two respective channels are formed in the burner for feeding fuel and oxygen-containing medium to a nozzle of the burner. The casing and the jacket form at |
| 4370203 |
Cooling device for coke dry cooling |
January 25, 1983 |
| A cooling device for dry cooling of coke by a counterflow of gaseous cooling medium has a prechamber, a housing including upper and lower parts, a conduit for discharging a gaseous cooling medium, wherein the prechamber form with the housing an annular space of an increased cross-sec |
| 4358345 |
Arrangement for feeding glowing coke |
November 9, 1982 |
| An arrangement for feeding glowing coke has a cooling shaft into which coke and cooling gas are received, a coke transporting container arranged on the shaft and having a closable bottom opening, and a closing device arranged in the cooling shaft below the coke transporting container and |
