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7208570 |
Method of refining tall oil
The present invention relates to a method of refining crude tall oil. According to the method, the crude tall oil is fed into a column distiller, where it is separated into desired fractions. The...
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7128812 |
Apparatus and method for determining the level in a coke drum
A foam level in a delayed coking drum is detected by utilizing the varying density of the boiling mass in the coke drum which has larger bubbles and is less dense at the top and smaller bubbles and...
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6758945 |
Method and apparatus for quenching the coke drum vapor line in a coker
A method and apparatus for quenching the coke drum vapor line from a coke drum to the main fractionator in a coker unit whereby the volume of quench liquid prevents the drum vapor line from...
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6746497 |
Waste incineration disposal method
A waste is dry-distilled in a gasification furnace and generated combustible gas is combusted in a combustion furnace. A temperature in the combustion furnace is set to be substantially constant at...
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6344361 |
Method of detecting the presence of impurities, unit and method for vaporizing liquid, and double air-distillation column
A film-type vaporizer in a vaporization enclosure, for example the upper column of a double air-distillation column, is associated with a measurement and analysis box where a polished surface and a...
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6168252 |
Ink jet printer
An ink jet printer has a printhead formed of a piezoelectric element having an electrical capacitance with a known temperature characteristic. A memory stores a reference temperature Tref and a...
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6139692 |
Method of controlling the operating temperature and pressure of a coke oven
The pressure in the coking chamber of a coke oven is held at about atmospheric pressure, and the temperatures at the opposite longitudinal ends of the combustion chamber are independently...
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6033528 |
Process for making blast furnace coke
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5968320 |
Non-recovery coke oven gas combustion system
A system for transporting and burning under negative pressure in a boiler a raw coke oven gas to produce steam energy. The system has the usual battery of coke ovens and corresponding ascension...
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5855742 |
Decoking process and device
A device for drilling a layer of coke within a reactor to effect the decoking of the reactor includes a decoking tool arranged at one end of a hose for conveying a decoking fluid to the tool. The...
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5795445 |
Method of controlling the quench of coke in a coke drum
A method of controlling the rate of quench of coke in a coke drum to reduce deterioration of the coke drum sidewall in which water is admitted into the coke drum filled with hot coke to cool the...
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5688376 |
Method for the gas sealing manufacture of a door frame of a coke oven battery and such a door frame structure
Method for the gas sealing manufacture of a door frame of a coke oven battery which battery comprises a refractory structure with an armor plate connected to it onto which the door frame is fitted...
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5609730 |
Method of operating dry quenching apparatus for hot coke
A dry quenching apparatus for hot coke is operated by collecting data on preceding operations. The heat balance is calculated based on the collected data to determine the heat content of the...
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5595633 |
Coking process for a battery of coke ovens
A method for operating a battery of coke ovens capable of accomplishing an increase in production and a decrease in the quantity of heat required for carbonization. The battery of cove ovens...
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5443693 |
Method of recovering components from coke oven gases using predictive techniques
A method for recovering a component from gas that is produced by a coke oven battery. The total amount of gas that will be produced by the coke oven battery is predicted by determining a quantity...
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5401364 |
Process for treating noncaking, noncoking coal to form char with process derived gaseous fuel having a variably controllable calorific heating value
According to this invention there is provided a process for the heat treatment of noncaking, noncoking coal with a process derived gaseous fuel having a variably controllable calorific heating value.
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5318671 |
Method of operation of nonrecovery coke oven battery
A method of controlling operation of a nonrecovery coke oven battery including a plurality of elongated coke ovens constructed in side-by-side relation with each oven having a separate system of...
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5224432 |
Method for retorting organic matter
A method of retorting organic matter including the steps of advancing the organic matter through a chamber in the absence of oxygen, sensing the temperature in the chamber at a plurality of...
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5132918 |
Method for control of a distillation process
A method for automated control of a petroleum distillation column in which signals representing temperatures, pressures and fluid flow rates for selected product streams withdrawn from the column...
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4980028 |
Method of controlling fuel for a coke oven
A method fo controlling fuel for a coke oven by a programmed heating method in which the fuel supply rate is changed at least once during the coal carbonization process in the coke oven, wherein...
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4973386 |
Passive acoustic power spectra to monitor and control processing
A process for the detection and measurement of wall coke at a specific location in a fluid bed coker through the measurement of the vibrations of the external shell of the coker at the location.
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4941952 |
Process for the treatment of waste material
In the treatment of hydrocarbon-containing waste material, in particular plastic-containing waste material, by pyrolysis, gases containing hydrogen halide compounds which are formed are neutralized...
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4877488 |
Passive acoustic power spectra to monitor and control processing
A process is disclosed for the detection and measurement of wall coke at a specific location in a fluid bed coker through the measurement of the vibrations of the external shell of the coker at...
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4851084 |
Procedure for operating a pyrolysis process
In a pyrolysis plant having a preliminary cooling stage and a final cooling stage, in the event of an operational malfunction of the preliminary cooling stage as indicated by temperature...
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4800165 |
Method of detecting corrosion rate of member of steel material
A method of detecting the rate of corrosion of an existing steel structure installed in a corrosive environment is disclosed. The method includes treating a measurement surface of the member so...
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4725337 |
Method for drying low rank coals
A process is disclosed for removing a substantial portion of water and impurities from low rank coal and peat, whereby an improved coal or peat product (not found in nature) is obtained. The low...
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4706581 |
Fossil fuel furnace reactor
A fossil fuel furnace reactor is provided for simulating a continuous processing plant with a batch reactor. An internal reaction vessel contains a batch of shale oil, with the vessel having a...
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4701838 |
Characterizing and handling multi-component substances
A method of handling, as bulk material, a substance which is one member of a class of multi-component substances includes subjecting successive test samples of the substance to a series of...
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4692216 |
Method for controlling heat input into a coke oven
Method of controlling heat input into a coke oven to obtain a desired temperature of the coke mass of the oven at the time of pushing comprising (1) determine the moisture content and heat of...
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4680167 |
Controlled atmosphere oven
An oven for heating a distillable material in a preselected gas atmosphere. The oven comprises an inner heating chamber adapted to receive a spherical gravity lid, the heating chamber being...
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4667508 |
Reid vapor pressure determination
The Reid Vapor Pressure of a hydrocarbon mixture consisting essentially of hydrocarbons selected from the same series is determined based on the actual temperature and vapor pressure of the...
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4664750 |
Method for coke quenching control
Hot coke 3 expelled from a coking chamber is conveyed in a quenching car 2 to a quenching tower 4 past an infra-red detector 6 which provides a signal to initiate supply of the quenching water. It...
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4655878 |
Method of regulating fuel supply rate for heating a coke oven
A method of regulating fuel for a coke oven by a programmed heating method in which a change of the fuel supply rate contains at least one substantial reduction during the coal carbonization...
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4643977 |
Process for assessing coke micro-reactivity
Micro-reactivity of cokes can be estimated by carbonizing a small sample of powdered coal to form a char and until constant weight at a desired test temperature, then measuring weight loss in a...
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4643803 |
Method of making coke in a coke oven battery
In a method of making coke in coke-ovens of a coke oven battery, the coke temperature is measured using at least one infra-red sensor after pushing of the coke from a coke-oven and before quenching...
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4617638 |
Method and system for determining mass temperature in a hostile environment
Production-worthy method and system comprising two computer-based subsystems for determining temperature of an irradiant mass movable through process means in a hostile environment exemplified as...
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4614567 |
Method and apparatus for selective after-quenching of coke on a coke bench
Method and apparatus for detection and selective after-quenching of red hot pockets in previously quenched hot coke lying on a coke bench, in which the temperature of the coke is sensed and...
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4599140 |
Method and apparatus for controlling crossflow in a double collector main coke oven battery
The flow of gases given off by a coke mass during the production of coke in a coke oven having a coke side collector main and a pusher side collector main is controlled by measuring temperature,...
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4574034 |
Method for monitoring the reversal system of coke oven batteries
A method of monitoring the reversal system of coke oven batteries comprises monitoring the position of the air valves, waste heat discs, and gas cocks in each of the coke ovens of a battery,...
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4568424 |
Method for determining the end of devolatilizing in a coke oven and adjusting the coke cycle based thereon
In the operation of a by-product coke oven, in order to provide a coking cycle that meets an aim push time and also includes a coke soaking period of pre-selected length, the method of obtaining a...
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4557805 |
Assembly for controlling the positioning of coke oven operating machines
At a coke oven of a coking plant, each operating machine is provided with a U-shaped detector unit equipped with infrared light gates. Each operating station of the coke oven is provided with a...
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4512080 |
Method and apparatus for measuring the flexure of a heating wall of a coke oven during operation thereof
The amount of flexure of a heating wall of a coke oven is determined during operation of the coke oven by providing an observation hole through the oven roof into a heating flue, the observation...
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4512850 |
Process for wet quenching of coal-coke
Process and apparatus for wet-quenching of hot-coke unloaded from a coke producing oven use water quenching from exclusive overhead tanks in two distinct consecutive phases so as to minimize the...
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4486269 |
Method of dry cooling coke
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...
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4461673 |
Process for cooling, depressurizing, and moisturizing retorted oil shale
An apparatus and process are provided for depressurizing, cooling, and, optionally, moisturizing retorted oil shale produced in an oil shale retort operated at superatmospheric pressure. Hot...
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4447805 |
Apparatus for measuring temperature of coke ovens
In an array of coke ovens each including a plurality of combustion chambers having a plurality of flue nozzles, a measuring car equipped with a temperature measuring member runs above the array in...
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4421604 |
Procedure to control quality of coal
The quality of coke is improved by measuring the width of a plastic zone of a given type of coal, comparing said measured zone with a predetermined zone width known to result in good quality coke,...
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4417528 |
Coal gasification process and apparatus
Coal devolatized and partially gasified in a travelling grate reactor is dropped into a shaft furnace to form a downwardly moving stack which moves then downwardly to and through a fixed bed...
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4410398 |
Method and apparatus for monitoring the cutting of coke in a petroleum process
A method and apparatus for assisting an operator in a coke cutting operation wherein both a graphic and audio display of the operation are provided. The vibration of the coke drum is measured and...
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4409067 |
Quenching method and apparatus
A column of hot coke from a shaft furnace moves downwardly into a vessel which it fills and forms a pile. A gap is left between the angle of repose of the coke surface and the upper portion of the...
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