47results about "Hydrocarbon oil cracking process" patented technology

The invention discloses an ultrasonic treatment device and method for waste lubricating oil, the ultrasonic treatment device comprises a tank body, an ultrasonic treatment mechanism is arranged on the surface of the tank body, the ultrasonic treatment mechanism extends into the tank body, the ultrasonic treatment mechanism comprises a base frame and an amplitude-change pole, the base frame is attached to the surface of the tank body, and the amplitude-change pole is arranged on the surface of the tank body. According to the ultrasonic treatment equipment for the waste lubricating oil and the treatment method, the hydraulic cylinder drives the pressing sleeve to move downwards, so that the pressing sleeve drives the placement frame to move downwards, the amplitude-change pole is separated from the transduction module, meanwhile, a new amplitude-change pole is placed in the placement frame through the feeding assembly, and the sliding assembly is matched with a guide groove and a boss, so that the pressing sleeve rotates; the pressing sleeve drives the placing frame to rotate, so that the new amplitude-change pole is rotated to the position below the transduction module, then the pressing sleeve is driven by the hydraulic cylinder to reset upwards, the new amplitude-change pole is in butt joint with the transduction module, the amplitude-change pole is more convenient to replace, and meanwhile inconvenience caused by machine halt is reduced.

The invention concerns a method for converting into hydrocarbon(s) a solid or liquid substrate (11) selected among substrates formed of plastics material and heavy oils, by a conversion reaction of hydrogenolysis and / or pyrolysis, occurring in a given temperature range. This method comprises contacting, in a reactor (10), the substrate (11) and a microscale heating element (12) formed of a ferromagnetic metal compound, under an oxygen-free atmosphere (23), and heating this heating element (12), at a temperature within said temperature range, by electromagnetic induction by means of a magnetic field inductor (18) external to the reactor (10).

A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a methyl tertiary butyl ether unit producing a first process stream; passing the first process stream through a selective hydrogenation unit producing a second process stream; passing the second process stream through an isomerization unit producing a third process stream; and passing the third process stream through a hydration unit producing the fuel additive and a recycle stream.

The invention relates to a process for depolymerizing a polystyrene filler comprising at least two pyrolysis sections, in which the hydrogen partial pressure and / or the residence time of the gas phase are controlled in the pyrolysis section of step d). Fig.2

The present invention refers to the use of metal-free carbon materials for converting plastics into C2-C4 olefins and / or other hydrocarbons under direct induction heating at temperatures up to 800°C. The present invention also relates to a process for converting plastics into C2-C4 olefins and / or other hydrocarbons, comprising a step of reacting under direct induction heating at a temperature of up to 800°C with a metal-free carbon material as defined in any one of the claims.

The method for producing olefins may include at least one cooling stage in thermal energy recovery by: supplying a hydrocarbon feed to an outer tube of a thermal energy recovery assembly; heating the hydrocarbon feed in the outer tube of the thermal energy recovery assembly to output a preheated hydrocarbon feed; supplying the preheated hydrocarbon feed to an electrically heated cracking furnace including a reaction zone to heat the preheated hydrocarbon feed; cracking the preheated hydrocarbon feed in the reaction zone of the electrically heated cracking furnace using electrically generated heat to output a hot reactor effluent including cracked hydrocarbons and olefins; supplying the hot reactor effluent to an inner tube of the thermal energy recovery assembly; and cooling the hot reactor effluent in the inner tube of the thermal energy recovery assembly by transferring heat to the hydrocarbon feed, wherein the external temperature of the inner tube in the thermal energy recovery assembly remains below 720°C and the internal temperature of the inner tube in the thermal energy recovery assembly is maintained above 180°C. TIFF2026505563000007.tif127128

Disclosed is an apparatus for converting waste synthetic resin into oil, comprising: a cracking furnace in which waste synthetic resin is stored and which generates oil vapor, which is heavy oil, by heating the waste synthetic resin and irradiating it with ultraviolet light at the same time; a heat exchanger provided in communication with the cracking furnace and which cools the oil vapor, which is heavy oil, flowing in from the cracking furnace and converts it into liquid heavy oil; and a storage tank provided in communication with the heat exchanger and which receives and stores the heavy oil converted by the heat exchanger.

A reactor for the thermal decomposition of a gaseous hydrocarbonaceous feedstock stream in an electrically heated moving bed composed of an electrically conductive granular material with deposition of elemental carbon on the granular material comprises an upper reactor section in which there are disposed a feed for the granular material and an outlet for a hydrogenous product stream, a middle reactor section, and a lower reactor section in which there is disposed a feeding device for the gaseous hydrocarbonaceous feedstock stream, and on the bottom side there is provided an outlet for the granular material, wherein the outlet comprises at least one funnel-shaped oscillating base that can be set in oscillation in vertical and / or horizontal direction by means of at least one first vibration generator and is connected to the lower reactor section via an oscillation-decoupling suspension.

One or more reactants are flowed into thermal contact with a heating element in a reactor for a first time period. During a first part of a heating cycle, the one or more reactants are provided with a first temperature by heating with the heating element, such that one or more thermochemical reactions is initiated. The one or more thermochemical reactions includes pyrolysis, thermolysis, synthesis, hydrogenation, dehydrogenation, hydrogenolysis, or any combination thereof. The first heating element operates by Joule heating and has a porous construction that allows gas to flow therethrough. During a second part of the heating cycle, the one or more reactants are provided with a second temperature less than the first temperature, for example, by de-energizing the heating element. A duration of the first time period is equal to or greater than a duration of the heating cycle, which is less than five seconds.

A system and method for dynamically reducing sulfur and other contaminants in a crude oil feedstock. The method includes pumping a crude oil feedstock into an inlet of a cavitation reactor and rotating a rotor of the cavitation reactor to induce cavitation events within the crude oil feedstock by formation and collapse of unstable bubbles that resultingly induce shockwaves to propagate through the crude oil feedstock, which further causes mixing and rapid reaction under mild / low to moderate shear forces that reduces damage to the resulting fuel product.

The invention relates to a process for producing hydrocarbon resins from the microwave-assisted pyrolysis of a feedstock of styrene compounds and a feedstock comprising rubber chips, to the resin produced by said process, and to a rubber composition comprising a resin of said kind.

A process for upgrading a hydrocarbon fluid including introducing a first portion of the hydrocarbon fluid to a first electrically conductive tube, and introducing a second portion of the hydrocarbon fluid to a second electrically conductive tube. A DC current is applied to the first electrically conductive tube to heat the first portion of the hydrocarbon fluid within the first tube to a first reaction temperature to form a first product stream, and a DC current is applied to the second electrically conductive tube to heat the second portion of the hydrocarbon fluid within the second tube to a second reaction temperature to form a second product stream. The first product stream is introduced into a product channel through an outlet of the first electrically conductive tube, and the second product stream is introduced into the product channel through an outlet of the second electrically conductive tube.

A high voltage discharge between two electrodes generating a plasma is disposed within a reactor chamber. Hydrocarbon gas and conductive liquid are passed over one or more electrodes, such that the conductive liquid cools the electrodes and avoids fouling. Such a discharge may result in hydrogen gas and additional carbon containing coproducts which may be used, released, or sequestered.

A process for upgrading a hydrocarbon fluid including introducing a first portion of the hydrocarbon fluid to a first electrically conductive tube, and introducing a second portion of the hydrocarbon fluid to a second electrically conductive tube. A DC current is applied to the first electrically conductive tube to heat the first portion of the hydrocarbon fluid within the first tube to a first reaction temperature to form a first product stream, and a DC current is applied to the second electrically conductive tube to heat the second portion of the hydrocarbon fluid within the second tube to a second reaction temperature to form a second product stream. The first product stream is introduced into a product channel through an outlet of the first electrically conductive tube, and the second product stream is introduced into the product channel through an outlet of the second electrically conductive tube.

The present invention provides a heating apparatus for upgrading a hydrocarbon fluid, the heating apparatus comprising a current-voltage source and having at least one electrically conductive tube wherein the tube material temperature is controlled using a geometry that changes the electrical resistance along a U-shaped portion of the electrically conductive tube, the resistance is smaller than the resistance along the straight portion of the conductive tube. The heating apparatus may be used in a steam cracking process to produce ethylene.

Disclosed is an electrical heating reactor. The electrical heating reactor includes: at least one first reaction tube having a first passage through which a reactant passes and configured to heat the reactant passing through the first passage; at least one second reaction tube having a second passage through which a reactant passes and configured to heat the reactant passing through the second passage; a first power supply configured to supply power to the at least one first reaction tube; and a second power supply configured to supply power to the at least one second reaction tube, in which the first power supply and the second power supply may be independently controlled.

The invention relates to the technical field of biomass energy thermochemical conversion, and discloses a system and method for cracking biomass liquid fuel through direct-current arc plasma, the system is characterized in that the feeding end of a plasma generating device is connected with an integrated atomization mixing device, and the integrated atomization mixing device is provided with two input ends; the plasma generating device is connected with the carrier gas assembly and the fuel supply assembly respectively, the plasma generating device is connected with the reaction assembly and used for cracking input fuel, a cracking output port of the reaction assembly is connected with a filtering and collecting assembly, and the plasma generating device is driven by the electric driving assembly. According to the system, liquid fuel is atomized into preheated micron-sized liquid drops by using the fuel supply assembly, so that the liquid fuel is quickly and fully cracked in a high-temperature environment of plasma in the reaction cavity, the gasification reaction rate of the biomass liquid fuel and the cracking gas yield are greatly improved, and the generation of coke and tar in the cracking process is effectively inhibited; therefore, efficient gasification of the biomass liquid fuel is realized.

The present invention relates to the technical field of industrial kilns, and in particular to a photon oxygen-free flameless combustion kiln. The photon oxygen-free flameless combustion kiln comprises a kiln body, which consists of a kiln tube, a feeding device, and a cooling device, wherein the feeding device is located at one end of the kiln tube, and the cooling device is located at the other end of the kiln tube. The kiln tube comprises three functional chambers therein, namely an oxygen-free dry distillation chamber, an alkane cracking chamber, and a reduction chamber. The present invention provides a photon oxygen-free flameless combustion kiln. By means of the specific kiln body structure and photon excitation technology, efficient dry distillation, alkane cracking and reduction reactions of organic waste are realized, and methanol is finally synthesized, thereby not only improving the conversion rate of waste and the yield of methanol, but also significantly reducing the energy consumption and environmental pollution in the production process, and providing a new technical approach for the resource utilization of waste and the production of clean energy.

The present invention refers to the use of a metal-free carbon material for converting plastic into C2-C4 olefins and / or other hydrocarbons, under direct induction heating at temperature less than or equal to 800 °C. The present invention also relates to a process for converting plastic into C2-C4 olefin and / or other hydrocarbons, comprising a step of reaction under direct induction heating, with a metal-free carbon material as defined in anyone of the claims, at temperature less than or equal to 800 °C.

High-purity polycyclic aromatic hydrocarbons (PAHs) and the byproducts thereof, and methods for producing such products are disclosed. The PAHs may comprise an aromaticity index of about 0.65 to about 0.80. The PAHs may have quinoline insolubles and sulfur impurities of less than about 0.1 wt. % each. A tar or pitch comprising the high-purity PAHs and a method of producing such tar or pitch are disclosed. A synthetic graphite comprising high-purity PAHs is also disclosed. A method of making carbon pellets from high-purity PAHs is also disclosed.

Disclosed is an electrical heating reactor. The electrical heating reactor includes: at least one first reaction tube having a first passage through which a reactant passes and configured to heat the reactant passing through the first passage; at least one second reaction tube having a second passage through which a reactant passes and configured to heat the reactant passing through the second passage; a first power supply configured to supply power to the at least one first reaction tube; and a second power supply configured to supply power to the at least one second reaction tube, in which the first power supply and the second power supply may be independently controlled.

A fluid treatment apparatus 10 for treating a fluid for subsequent use as a growing medium or water source in agriculture or algaculture, or as an electrolyte in an electrolyser in the production of h

A process for producing olefins may include at least one cooling step in thermal energy recovery by supplying a hydrocarbon feed to an outer tube of a thermal energy recovery assembly; heating the hydrocarbon feed in the outer tube of the thermal energy recovery assembly to output a preheated hydrocarbon feed; supplying the preheated hydrocarbon feed to an electric cracking furnace comprising a reaction zone to heat the preheated hydrocarbon feed; cracking the preheated hydrocarbon feed using heat generated by electricity in a reaction zone of an electrically heated cracking furnace to output a thermal reactor effluent comprising cracked hydrocarbons and olefins; supplying the thermal reactor effluent to an inner tube of a thermal energy recovery assembly; cooling the thermal reactor effluent in the inner tube of the thermal energy recovery assembly by transferring heat to the hydrocarbon feed; and wherein the inner tube exterior temperature in the thermal energy recovery assembly remains below 720 DEG C and the inner tube interior temperature in the thermal energy recovery assembly remains above 180 DEG C.

A process for upgrading a hydrocarbon fluid, the process comprising: introducing a first portion of the hydrocarbon fluid into a first conductive tube; introducing a second portion of the hydrocarbon fluid into a second conductive tube; applying a DC current to the first conductive tube to heat the first portion of the hydrocarbon fluid in the first tube to a first reaction temperature to form a first product stream; applying a DC current to the second conductive tube to heat the second portion of the hydrocarbon fluid in the second tube to a second reaction temperature to form a second product stream; introducing the first product stream into a product channel through an outlet of the first conductive tube; and introducing the second product stream into a product channel through an outlet of the second conductive tube.

The present invention proposes a plant (110) for producing a reaction product. The plant (110) comprises at least a preheater (114). The plant (110) comprises at least one raw material supply (118) adapted to supply at least one raw material to the preheater (114). The preheater (114) is adapted to preheat the raw material to a predetermined temperature. The plant (110) comprises at least one electrically heatable reactor (122). The electrically heatable reactor (122) is adapted to at least partially convert the preheated raw material into a reaction product and a by-product. The plant (110) comprises at least one heat integration device (132) adapted to at least partially supply the by-product to the preheater (114). The preheater (114) is adapted to at least partially utilize the energy required to preheat the raw material from the by-product.

The application discloses a device for converting biomass tar by using a plasma multi-mode coupling catalyst, and the plasma reactor comprises a coaxial DBD body discharge structure and a structural catalyst passage inner discharge structure; an alternating-current high-voltage electrode rod, a dielectric tube and a ground electrode constitute the coaxial DBD body discharge in the inner cavity of the dielectric tube; catalyst particles in the inner cavity of the dielectric tube and the structural catalyst are jointly acted on by alternating-current and direct-current electric fields, a voltage difference is formed between the upper end and the lower end of the structural catalyst to constitute the structural catalyst passage inner discharge; meanwhile, the gas activated by the plasma and flowing out of the structural catalyst makes the catalyst particles present a fluidized state, and the interaction between the catalyst and the plasma is realized by combining the coaxial DBD body discharge. The application is driven by a direct-current alternating-current dual power source, and the fluidized bed and the packed bed two modes are coupled with the catalyst to improve the overall reaction efficiency, the rapid and efficient treatment of the tar can be realized, and the operability and the economy of the tar treatment process are improved.

A high voltage discharge between two electrodes generating a plasma is disposed within a reactor chamber. Hydrocarbon gas and conductive liquid are passed over one or more electrodes, such that the conductive liquid cools the electrodes and avoids fouling. Such a discharge may result in hydrogen gas and additional carbon containing coproducts which may be used, released, or sequestered.

The invention discloses oil product treatment equipment and technology based on the magnetic cavitation technology, and relates to the technical field of oil product processing and modification.The oil product treatment equipment comprises a raw material feeding pump, a feeding cavitation mechanism is arranged at the bottom of the raw material feeding pump and used for conveying oil products and removing impurities in the oil products, the feeding cavitation mechanism comprises a conveying pipe, and the conveying pipe is provided with a feeding hole; untreated oil is conveyed into the device by starting a raw material inlet pump, at the moment, a first motor is started to drive a first transmission shaft to rotate, when the first transmission shaft rotates, a first bevel gear also rotates, at the moment, a second bevel gear also rotates, and when the second bevel gear rotates, a rotating rod also rotates; when the oil passes through the filter screen, the oil is filtered, blockage in the subsequent process is avoided, at the moment, a magnetic field is applied through the electromagnetic coil on the outer surface of the cavitation reaction cavity, and then oil molecule crushing and recombination are achieved through the ultrasonic generator.

Disclosed is an electrical heating reactor. The electrical heating reactor includes: at least one first reaction tube having a first passage through which a reactant passes and configured to heat the reactant passing through the first passage; at least one second reaction tube having a second passage through which a reactant passes and configured to heat the reactant passing through the second passage; a first power supply configured to supply power to the at least one first reaction tube; and a second power supply configured to supply power to the at least one second reaction tube, in which the first power supply and the second power supply may be independently controlled.

Method to change the molecular composition of a target medium under a condition of modified physical vacuum structure, includes introducing into an exposure chamber the target medium having a Raman spectrum with a predetermined target spectral resonance; rotating a source hydrocarbon medium in a drum adjacent to the exposure chamber, to produce a vacuum and magnetic influence; propagating the vacuum and magnetic influence to the target medium in the exposure chamber; applying a mechanical vibration to the target medium to vibrate the target medium on a molecular scale, to create colloidal molecular vibrations; transferring energy from the colloidal molecular vibrations to an electron system of atoms in molecules of the target medium until at least a portion of the molecules of the target medium cracks into shorter molecular hydrocarbon products; and withdrawing the shorter hydrocarbon molecular products from the exposure chamber.