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Class 208/132 - With heating in tubular confined stream


Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes wherein the feed oil to be cracked (or coked)
No. of patents: 138
Last issue date: 06/21/2011


1        
NumberTitleIssue Date
7964091Cracking furnace
A cracking furnace having a firebox provided with cracking coils is described. The cracking coils have at least one inlet, at least one inlet section, at least one outlet and at least one outlet section, and burners, and the parts of the coils are shielded. A proces...
06/21/2011
7951289Continuous steam pyrolysis method
A continuous steam pyrolysis method is provided. The method comprises feeding a material to be pyrolyzed into a tubular reactor and carrying out a pyrolysis reaction in the tubular reactor in the presence of a superheated steam flow. The material to be pyrolyzed pas...
05/31/2011
7820035Process for steam cracking heavy hydrocarbon feedstocks
A process for cracking heavy hydrocarbon comprising heating the heavy hydrocarbon feedstock, mixing the heavy hydrocarbon feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flashing the mixture to form a vapor phase and a liquid phase, ...
10/26/2010
7718052Hydrocarbon cracking in a multi-zone cracking furnace
A process for independently and concurrently cracking at least two different hydrocarbon feedstocks to olefins. The process is carried out in a furnace for cracking hydrocarbon feed which has at least a first and second independent radiant cracking zone to produce a...
05/18/2010
7615144Hydrocarbon thermal cracking using hardfaced fittings
A thermal cracking process that employs (1) a sinusoidal conduit in the convection section of a thermal cracking furnace, (2) a cross-over conduit, and/or (3) a transfer conduit that contains at least one bend fitting, at least one bend fitting carrying a protective...
11/10/2009
7531084Reactor for thermally cracking monofunctional and polyfunctional carbamates
A reactor for the thermal cleavage of monofunctional and/or polyfunctional carbamic esters into the corresponding isocyanate and hydroxyl components in the liquid phase having devices for introduction of heat into the reactor, where the devices are heat exchanger pl...
05/12/2009
7524411Alternate coke furnace tube arrangement
Tubes within a radiant heating section of a coking furnace are arranged differently than in a single vertical column and connected together in a simple, planar serpentine pattern. The tubes are arranged in a plurality of offset or staggered vertical columns. This ar...
04/28/2009
7419584Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel
A process is provided for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, optionally further heating the mixture, flashing the mixtu...
09/02/2008
7419608Treating method and equipment for coke-cooling wastewater
The present invention falls within the field of purifying oil-laden wastewater, which provides a method for purifying coke-cooling wastewater in a delayed coking process in petroleum chemical field. The method comprises the following steps: (a) cooling the coke-cool...
09/02/2008
7413648Apparatus and process for controlling temperature of heated feed directed to a flash drum whose overhead provides feed for cracking
An apparatus and process are provided for cracking hydrocarbonaceous feed, wherein the temperature of heated effluent directed to a vapor/liquid separator, e.g., flash drum, whose overhead is subsequently cracked, can be controlled within a range sufficient so the h...
08/19/2008
7402237Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter
A process for cracking a hydrocarbon feedstock containing salt and/or particulate matter, wherein said hydrocarbon feedstock containing salt and/or particulate matter is heated, then separated into a vapor phase and a liquid phase by flashing in a flash/separation v...
07/22/2008
7396449Olefin production utilizing condensate feedstock
A method for utilizing natural gas condensate as a feedstock for an olefin production plant wherein the feedstock is subjected to vaporization and separation conditions that remove light hydrocarbons from the condensate for thermal cracking in the plant, and leave l...
07/08/2008
7384539Optimized preheating of hydrogen/hydrocarbon feed streams
An improved and simplified hydrocarbon processing system is provided which has a mixing section for mixing of hydrogen and hydrocarbon to form combined, two-phase streams, as well as an indirect heat exchange section having a plurality of double-pass shell-and-tube ...
06/10/2008
7374663Process for vaporizing a heavy hydrocarbon feedstock with steam
A process for the preparation of lower olefins from a heavy hydrocarbon feedstock by vaporizing said heavy hydrocarbon feedstock with steam in a nozzle wherein a two-phase mixture is passed through a device having a frusto-conically-shaped element which is capable o...
05/20/2008
7358413Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks
Hydrocarbon feedstock containing resid is cracked by a process comprising: (a) heating the hydrocarbon feedstock; (b) mixing the heated hydrocarbon feedstock with steam and optionally water to form a mixture stream; (c) introducing the mixture stream to a flash/sepa...
04/15/2008
7351872Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace
A process and control system for cracking a heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising heating the heavy hydrocarbon feedstock, mixing the heated heavy hydrocarbon feedstock with a dilution steam stream to form a mixture stream havin...
04/01/2008
7345211Synthetic hydrocarbon products
The invention includes a process for producing synthetic middle distillates and synthetic middle distillates produced therefrom. In one embodiment, the process comprises fractionating a hydrocarbon synthesis product to at least generate a light middle distillate, a ...
03/18/2008
7312371Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors
A process for cracking a heavy hydrocarbon feedstock containing non-volatile components and/or coke precursors, wherein a stripping agent is added to the feedstock to form an enhanced hydrocarbon blend which is thereafter separated into a vapor phase and a liquid ph...
12/25/2007
7311746Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid
A highly efficient vapor/liquid separation apparatus for treating a flow of vapor/liquid mixtures of hydrocarbons and steam comprises a substantially cylindrical vertical drum having an upper cap section, a middle section comprising a circular wall, a lower cap sect...
12/25/2007
7297833Steam cracking of light hydrocarbon feedstocks containing non-volatile components and/or coke precursors
A process for cracking a light hydrocarbon feedstock containing non-volatile components and/or coke precursors, wherein a heavy hydrocarbon feedstock is added to the contaminated light hydrocarbon feedstock to form a contaminated hydrocarbon feedstock blend which is...
11/20/2007
7297250Method of and apparatus for processing heavy hydrocarbon feeds
The present invention comprises a method for processing a heavy hydrocarbon feed including: supplying the heavy hydrocarbon feed to a heater for heating the heavy hydrocarbon feed; supplying the heated heavy hydrocarbon feed to an atmospheric fractionating tower for...
11/20/2007
7285697Reduction of total sulfur in crude and condensate cracking
A process for cracking hydrocarbon feedstock comprising at least one sulfur-containing compound comprising: heating the feedstock and a peroxide-containing compound, mixing the heated feedstock and peroxide-containing compound with a fluid and/or a primary dilution ...
10/23/2007
7270740Startup of an olefins production plant
A method for starting up an olefin production plant without venting gases to the atmosphere wherein an artificial feed is employed in the compression zone of the plant while the furnace and quench zones remain idle, and gases from the compression and refrigeration z...
09/18/2007
7247765Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel
A process is provided for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, optionally further heating the mixture, flashing the mixtu...
07/24/2007
7244871Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids
A process for decoking of a process that cracks hydrocarbon feedstock containing resid and coke precursors, wherein steam is added to the feedstock to form a mixture which is thereafter separated into a vapor phase and a liquid phase by flashing in a flash/separatio...
07/17/2007
7238847Apparatus and method for determining and controlling the hydrogen-to-carbon ratio of a pyrolysis product liquid fraction
A process and apparatus for determining the hydrogen-to-carbon ratio of the liquid fraction of a pyrolysis product by determining the hydrogen-to-carbon ratio of the pyrolysis product gas fraction and subtracting the thus determined value from the determined hydroge...
07/03/2007
7235705Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks
A process for reducing fouling during cracking of a hydrocarbon feedstock containing resid is provided which comprises: introducing a mixture stream of heated hydrocarbon feedstock mixed with steam to a flash/separation apparatus to form i) a vapor phase at its dew ...
06/26/2007
7235172Olefin production from steam cracking using process water as steam
The invention includes a process for making olefins. In one embodiment, the process comprises producing steam from a process water comprising organic compounds, wherein the process water comprises at least a portion of a product water from a hydrocarbon synthesis pr...
06/26/2007
7227882System and method of processing electric arc furnace dust
A method of processing electric arc furnace dust includes the steps of preheating a portion of electric arc furnace dust to a temperature of at least 170 degrees centigrade by convection heating to form a preheated dust. The preheated dust is further heated by micro...
06/05/2007
7220887Process and apparatus for cracking hydrocarbon feedstock containing resid
A process for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flashing the mixture to form a vapor phase and a liquid phase which co...
05/22/2007
7169292Pyrolysis tube and pyrolysis method for using the same
The present invention provides a pyrolysis tube for enhancing the yield of olefins and reducing a coking tendency in steam cracking of hydrocarbons. According to the present invention, the pyrolysis tube is characterized in that a plurality of mixing blades made by ...
01/30/2007
7160437Method for determining the source of fouling in thermal conversion process units
The present invention relates to a method for determining the source of fouling in petroleum thermal conversion process units. More particularly, the invention distinguishes whether fouling occurs due to feed entrainment of small feed droplets or vapor phase condens...
01/09/2007
7156979Thermal cracking process using tubes, pipes, and coils made of novel stainless steel matrix
A thermal cracking process using tubes, pipes, and coils made of. An outermost surface covering not less than 55% of stainless steel, said surface having a thickness from 0.1 to 15 microns and being a spinel of the formula MnxCr3-xO...
01/02/2007
7138047Process for steam cracking heavy hydrocarbon feedstocks
A process for feeding or cracking heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising: heating the heavy hydrocarbon feedstock, mixing the heavy hydrocarbon feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flas...
11/21/2006
7097758Converting mist flow to annular flow in thermal cracking application
A process to increase the non-volatile removal efficiency in a flash drum in the steam cracking system. The gas flow from the convection section is converted from mist flow to annular flow before entering the flash drum to increase the removal efficiency. The conver...
08/29/2006
7090765Process for cracking hydrocarbon feed with water substitution
A process for treating hydrocarbon feed in a furnace, the process comprising: (a) heating hydrocarbon feed, (b) adding water to the heated feed, (c) adding dilution steam to the heated feed to form a mixture, (d) heating the resulting mixture and feeding the resulti...
08/15/2006
6989082Hinged bottom cover for unheading a coke drum
An apparatus for removing a bottom cover on a coke drum. A support structure supports at least the coke drum. A vertical actuator has a cover end attached to the bottom cover and a support end attached to the support structure, and is arranged to move the bottom cov...
01/24/2006
6972085Continuous coking refinery methods and apparatus
A system for refining hydrocarbon containing materials in a continuous coking mode may provide a pyrolyzer (1) which may be inclined to effect a liquid seal between a liquid conduction environment (6) and a gaseous conduction environment (7). A ...
12/06/2005
6948562Production of a blending agent using an in situ thermal process in a relatively permeable formation
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a selected section of the formation. The heat provided to the selected section may pyrolyze at least some hydroca...
09/27/2005
6919017Separation process and apparatus for removal of particulate material from flash zone gas oil
A process and an apparatus for removing particulate material from a flash zone gas oil stream produced in a delayed coking unit. The process and apparatus of the invention employ cyclonic separation to remove particulate material from the flash zone gas oil stream. ...
07/19/2005
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