452 results about "Reactor system" patented technology

A process for upgrading plastic derived oil includes contacting the plastic derived oil with a mixed catalyst in a first reactor, where the mixed catalyst includes a decontamination catalyst and a cracking catalyst different from the decontamination catalyst. The first reactor reduces concentrations of halogen-containing compounds in the plastic derived oil. The process includes passing the first reactor effluent to a second reactor and contacting the first reactor effluent with the cracking catalyst to produce a second effluent comprising light olefins and naphtha range hydrocarbons. The process includes separating used mixed catalyst from the first reactor to produce a used decontamination catalyst and a second used cracking catalyst, and regenerating the decontamination catalyst and cracking catalyst in separate regenerators to reduce exposure of the cracking catalyst to halogen-containing compounds produced during regeneration of the used decontamination catalyst.

A process for upgrading plastic derived oil includes contacting a plastic derived oil stream with a decontamination catalyst in a first reactor, separating a first reactor effluent from a used decontamination catalyst, passing the first reactor effluent to a second reactor downstream of the first reactor, contacting the first reactor effluent with a cracking catalyst in the second reactor, and separating a second reactor effluent from a used cracking catalyst. The cracking catalyst is different from the decontamination catalyst. The process further includes regenerating the used decontamination catalyst in a decontamination catalyst regenerator to produce regenerated decontamination catalyst, and regenerating the used cracking catalyst in a cracking catalyst regenerator separate from the decontamination catalyst regenerator to produce regenerated cracking catalyst. Regenerating the used cracking catalyst separately reduces deactivation of the cracking catalyst by halogen-containing compounds produced during regeneration of the decontamination catalyst.

A lunar regolith reduction reactor system includes a housing, a crucible, and a pair of electrodes. The housing includes a base structure and a cover structure detachably connected to the base structure, a gas input port to permit input of hydrogen gas into the housing, and a gas output port to permit outgassing of water vapor and gases. The crucible is designed to hold an amount of lunar regolith in the housing. The electrodes are disposed apart from one another and adjacent the crucible, wherein the electrodes are connectable to a power source to generate an electric arc to heat lunar regolith in the crucible and initiate a reduction reaction to separate oxygen gas and reduce separated material into a molten state.

Apparatus for mixing two or more gases prior to entering a reaction chamber, reactor systems including the apparatus, and methods of using the apparatus and systems are disclosed. The systems and methods as described herein can be used to, for example, pulse a mixture of two or more precursors to a reaction chamber.

Described is a method of preparing bis (2-hydroxyethyl) terephthalate (BHET) monomer crystals comprising the steps of providing a mixture of BHET monomers and oligomers thereof, a carrier liquid, and impurities; providing BHET seed crystals in the mixture; forming BHET monomer crystals from the mixture comprising the BHET seed crystals, thereby obtaining BHET monomer crystals in a mother liquor; and separating the BHET monomer crystals from the mother liquor; wherein the powder X-ray diffraction spectrum of the BHET seed crystals at least has characteristic intensity peaks at 2Ɵ about equal to 10.7°, 14.4°, 18.9° and 21.6°, where Ɵ is the angle of diffraction, and / or the IR spectrum of the BHET seed crystals at least has characteristic absorption peaks at λ about equal to 3260 cm-1 and 897 cm-1, where λ is the ordinary wavenumber. The obtained BHET monomer crystals have superior filtration properties. Also described is a method of preparing the BHET seed crystals, a method of depolymerizing a terephthalate polymer using the BHET seed crystals, as well as a corresponding reactor system for depolymerizing said terephthalate polymer.

Apparatus for mixing two or more gases prior to entering a reaction chamber, reactor systems including the apparatus, and methods of using the apparatus and systems are disclosed. The systems and methods as described herein can be used to, for example, pulse a mixture of two or more precursors to a reaction chamber.

The invention relates to an intelligent composite cladding tube with real-time monitoring and early warning regulation and control functions, which comprises a compact metal layer and a SiCf / SiC composite material layer which are used as an inner layer or an outer layer of the composite cladding tube, and a flexible transition layer positioned between the compact metal layer and the SiCf / SiC composite material layer, the sensing element is a silicon dioxide optical fiber or a molybdenum-rhenium alloy thermocouple and is used for monitoring the temperature change of the reactor core, so that the flexible transition layer has a temperature sensing function. According to the structure, the phenomena of local overheating and stress concentration can be effectively inhibited, so that the operation safety and the long-term service stability of a reactor system are remarkably improved.

The invention relates to a loop fixed bed reactor system, and relates to the technical field of chemical engineering, the loop fixed bed reactor system comprises a plurality of groups of primary loop reactors and a plurality of groups of secondary loop reactors, the primary loop reactors and the secondary loop reactors have the same structure, and the primary loop reactors and the secondary loop reactors are connected in series through reactor outlet pipelines; each primary loop reactor comprises a fixed bed reaction unit, a circulating pump and an external heat exchanger, the fixed bed reaction unit, the circulating pump, the external heat exchanger, an external heat exchanger inlet pipeline and the circulating pipeline assembly are communicated, and two or more groups of primary loop reactors and secondary loop reactors are connected in series through reactor outlet pipelines; through a forced circulation flow mechanism driven by the venturi gas-liquid mixer and the circulating pump, the problems of mixing mass transfer efficiency, internal heat transfer and retention time of a traditional fixed bed reactor are fundamentally solved, and exponential improvement of the mixing effect and the heat transfer effect is achieved through rapid circulation of the circulating pump and the venturi gas-liquid mixer.

A process for upgrading plastic derived oil includes contacting the plastic derived oil with a mixed catalyst in a first reactor, where the mixed catalyst includes a decontamination catalyst and a cracking catalyst different from the decontamination catalyst. The first reactor reduces concentrations of halogen-containing compounds in the plastic derived oil. The process includes passing the first reactor effluent to a second reactor and contacting the first reactor effluent with the cracking catalyst to produce a second effluent comprising light olefins and naphtha range hydrocarbons. The process includes separating used mixed catalyst from the first reactor to produce a used decontamination catalyst and a second used cracking catalyst, and regenerating the decontamination catalyst and cracking catalyst in separate regenerators to reduce exposure of the cracking catalyst to halogen-containing compounds produced during regeneration of the used decontamination catalyst.

The invention discloses a method and system for simulating the operating environment of a hydrogen energy reaction kettle, and the method comprises the steps: building a multi-scale simulation frame based on the hydrogen energy reaction kettle, and carrying out the modeling of a micro scale, a mesoscale and a macro scale of the hydrogen energy reaction kettle; performing multi-physical field coupling simulation on the hydrogen energy reaction kettle, including coupling calculation of a flow field, a temperature field, a concentration field and a stress field in an operation environment of the hydrogen energy reaction kettle; performing intelligent optimization simulation based on a multi-scale simulation framework and multi-physics field coupling simulation, wherein the intelligent optimization simulation comprises adaptive grid optimization, non-uniform inlet simulation and two-phase flow simulation; and constructing a digital twin platform, and carrying out system-level dynamic simulation and intelligent control on the hydrogen energy reaction kettle based on the digital twin platform. According to the method, all-around modeling and simulation from a micro scale to a macro scale are realized through a plurality of methods such as a density functional theory, molecular dynamics, a lattice Boltzmann method and computational fluid dynamics.

The present application relates to a kind of self-regeneration fixed bed reaction system for multiphase catalytic reaction, belong to fixed bed technical field.The system includes shell assembly, reaction tank assembly, distribution disc assembly and regeneration connecting assembly.Shell is separated to form several sectors, each sector is equipped with reaction tank, and isolation chamber is formed between reaction tank.Regeneration connecting assembly includes upper and lower rotating disc connected by rotating shaft, and inert gas containing cavity is arranged in rotating disc and is communicated with isolation chamber.Driving mechanism rotates rotating disc, so that regeneration pipe is communicated with specific reaction tank and carries out on-line carbon burning regeneration.The present application realizes the continuous production mode of "multi-zone reaction, one area on-line regeneration" by rotating structure, cooperates with the unique scraping seal assembly and elastic buffer structure, solves the pain points such as fast coking of catalyst in high-temperature dehydrogenation and other reactions, frequent switching, easy to string gas and thermal stress damage, significantly improves the production efficiency, operating stability and heat energy utilization rate of device.

A reactor system can comprise a substrate carrier, which can be configured to move a substrate within the reactor system, and / or a translating arm; a temperature measurement device; a processor; and / or a tangible, non-transitory memory configured to communicate with the processor having instructions stored thereon that, in response to execution by the processor, cause the processor to perform operations. The temperature measurement device can be coupled to the substrate carrier and / or translating arm, and / or the temperature measurement device can be coupled another component of the reactor system. The temperature measurement device can be configured to measure a temperature of a processed substrate within the reaction system. The processor can perform operations including measuring the temperature of the substrate; and / or comparing the measured temperature with a reference temperature.

The application discloses a kind of liquid metal cooling pool type reactor multifunctional passive residual heat removal systems based on heat pipe, belongs to reactor system component design technical field, the system is by high-temperature heat pipe, main container wall pit, gas storage tank, storage tank valve, gas heater, gas output pipe, gas input pipe, air extractor, safety container, main container, reactor pit, cold air descending passage, cylindrical thermal insulation layer, hot air ascending passage, connecting pipeline, exhaust chimney, heat radiation plate and in-pile fixed facility composition.The application can be in the condition of reactor total plant power failure, main heat exchanger water interruption and earthquake and other accident conditions, start passive accident residual heat removal system, and the residual heat of reactor core is removed to final heat sink by high-temperature heat pipe.Reactor is in low-power operation or shutdown condition, and auxiliary heating is carried out to in-pile liquid metal, to ensure that coolant is in molten state and promote flow.The system structure is simple, and has independence, passivity, inherent safety.

A method for processing a chemical stream includes contacting a feed stream with a catalyst in a reactor section of a reactor system to induce a reaction that forms a product stream. The method includes separating the product stream from the catalyst; transferring the catalyst to a catalyst processing section of the reactor system; processing the catalyst in the catalyst processing section; and transferring a portion of the catalyst from the catalyst processing section of the reactor system to a catalyst extraction system, the catalyst extraction system including a catalyst extraction tank and a transfer line connecting the catalyst extraction tank to the catalyst processing section. Each of the catalyst extraction tank and the transfer line includes an outer metal shell and an inner refractory lining. The method further includes cooling the catalyst in the catalyst extraction tank from a temperature greater than or equal to 680°C to a temperature less than or equal to 350°C.

A method of producing hydrocarbons from an organic material. The method includes: dissolving a solid including an organic material in a solvent to form a carbon liquid feed; introducing the carbon liquid feed into a liquid inlet of a feed assembly of a reactor system; mixing the carbon liquid feed and an oxidant gas feed in the feed assembly; combusting, in the feed assembly, at least a portion of the carbon liquid feed to produce an at least partially combusted gas mixture and heat; introducing the carbon liquid feed and the at least partially combusted gas mixture to a reactor vessel in fluid connection with the feed assembly; and in the reactor vessel, converting, using the heat, the organic material in the carbon liquid feed into a high value chemical.

A method and cascade reactor system for producing elemental rare earth metals and rare earth-aluminum alloys via aluminothermic reduction are disclosed. The method involves combining rare earth oxides or halide salts with aluminum powder, initiating a thermite-type reaction under inert or controlled atmospheric conditions, and recovering the molten metal product. Fluxing agents may be used to enhance slag fluidity and phase separation. The cascade reactor comprises multiple thermite zones with staged ignition, thermal transfer mechanisms, and slag separation interfaces, enabling sequential reduction of mixed feedstocks. The system supports both batch and continuous formats and achieves high recovery yields, reduced aluminum contamination, and compatibility with alloying and post-purification processes. The invention is adaptable to individual rare earth species and mixed oxide concentrates, offering a scalable, energy-efficient, and environmentally favorable route to rare earth metal and alloy production.

The utility model relates to the technical field of photovoltaics and semiconductors, in particular to a conveying device and a reaction furnace system, and solves the problem of low conveying efficiency of the conveying device. The conveying device comprises a telescopic fork mechanism, a lifting mechanism, a conveying mechanism and a boat pushing mechanism. The telescopic fork mechanism can stretch out and draw back and is used for bearing and conveying the boat structure. The lifting mechanism is connected with the telescopic fork mechanism and used for lifting the telescopic fork mechanism. The conveying mechanism is connected with the lifting mechanism and used for conveying the lifting mechanism between the first station and the second station. And the boat pushing mechanism is adjacent to the second station. The telescopic fork mechanism can bear and stretch out the boat structure, the boat structure is placed on the boat pushing mechanism, the boat pushing mechanism can send the boat structure into the furnace body, or the boat pushing mechanism can convey the boat structure out of the furnace body, and the telescopic fork mechanism can stretch out and take away the boat structure borne by the boat pushing mechanism. According to the conveying device, all the mechanisms are integrated together, the boat structure is automatically conveyed, and the conveying efficiency of the conveying device is improved.

The application discloses a kind of efficient supercritical carbon dioxide high temperature gas cooled reactor systems and its operating method, the system includes pre-cooler, main compressor, re-compressor, high temperature turbine, low temperature regenerator, high temperature regenerator, high temperature helium-supercritical carbon dioxide heat exchanger, low temperature helium-supercritical carbon dioxide heat exchanger and reactor.The application proposes the power generation system of two-stage split supercritical carbon dioxide cycle comprising high-temperature split re-compression cycle loop and low-temperature re-split reheat expansion cycle loop, by arranging high-temperature helium-supercritical carbon dioxide heat exchanger and low-temperature helium-supercritical carbon dioxide heat exchanger in power generation system, ensure the good matching of helium loop heat release temperature window and supercritical carbon dioxide power cycle loop heat absorption temperature window, realize the efficient cascade utilization of high-temperature gas cooled reactor helium loop large-span temperature interval heat.

The invention discloses an organic wet slurry low-temperature damp and hot coalification integrated reactor and system, and relates to the technical field of organic solid waste treatment. The system comprises a conveying system, a plurality of integrated reactor systems connected in parallel, a cooler, a solid-liquid separator and a central control unit. The integrated reactor system comprises an integrated reactor, a heater, a sensing unit and a reactor control unit. The integrated reactor adopts a unique inner and outer double-pipe layer design, and a heat exchange section, a heating section and a reaction section are sequentially formed, so that the integration of countercurrent flow heat exchange, heating and reaction is realized; a double-layer stirring wall scraper and a plurality of groups of ultrasonic vibrators are arranged in the heat exchanger, so that scales and cokes on a heat transfer surface can be removed on line; and through cooperative intelligent control of the reactor control unit and the central control unit, operation parameters and cleaning strategies are adjusted in real time. The industrial problems that in the traditional process, equipment is prone to being blocked, the heat transfer efficiency is low, and operation is unstable are solved, and efficient and long-period stable operation of coalification treatment of the organic wet slurry is achieved.

A sorbent reactor system for removing carbon dioxide from air is provided. The sorbent reactor system facilitates improved energy and thermal efficiency and includes a cascading heat pump. The cascading heat pump includes a plurality of heat exchangers fluidly connected to each other via a pipe network. The plurality of the heat exchangers are microchannels coated with sorbent material capable of adsorbing carbon dioxide from ambient air, with sorbent heat exchangers then disposed in vacuum chamber reactors fluidly connected to each other. A first heat transfer fluid flows and recirculates through the pipe network and heat exchangers of a first heat pump, transferring heat away from hot sorbent undergoing a cooldown process under vacuum and towards cool sorbent undergoing a desorption process under vacuum. A second heat transfer fluid flows and recirculates through a second heat pump to transfer energy from ambient air to the first heat transfer fluid.

The invention discloses a deep subcritical reactivity measurement method and system based on an alpha fundamental wave eigenvalue and a computer readable medium, and relates to the technical field of reactor physics and experiments. The measurement method comprises the following steps: acquiring an alpha fundamental wave eigenvalue of a reactor system and a corresponding alpha fundamental wave neutron flux density; based on the alpha fundamental wave neutron flux density, calculating the effective neutronics time Lambda eff and the delayed neutron effective share beta eff of the reactor system; and substituting the alpha fundamental wave eigenvalue, the effective neutron generation time Lambda eff and the delayed neutron effective share beta eff into a preset reactivity rho calculation formula to obtain a deep subcritical reactivity measurement value of the reactor system. According to the method, the alpha fundamental wave neutron-flux density matched with the physical characteristics of the deep subcritical system is adopted to replace the k-mode fundamental wave neutron-flux density which only has physical significance in a near-critical system, the theoretical error of a traditional method under the deep subcritical working condition is fundamentally corrected, and therefore the accuracy of reactivity measurement is effectively improved.

The invention relates to the technical field of nuclear reactors, and provides a high-temperature gas cooled reactor system. The system comprises: a reactor; the combined converter is connected to an inlet of the reactor; the burnup measuring device is connected to an outlet of the reactor; the sipping analysis device is connected between the burnup measuring device and the combined converter, a detection cavity is formed in the sipping analysis device, and the sipping analysis device is used for receiving the fuel balls from the burnup measuring device and can establish a negative pressure environment in the detection cavity so as to detect the activity value of target radionuclide in the gas in the detection cavity; the control module is electrically connected with the combined converter, the burn-up measuring device and the sipping analysis device; when the burnup value is smaller than a set burnup threshold value and the activity value is smaller than an activity constraint value, the control module controls the combined converter to return the fuel balls to the reactor for recycling; when the burnup value is larger than or equal to a set burnup threshold value or the activity value is larger than or equal to an activity constraint value, the control module controls the combined converter to unload the fuel balls.

The present invention relates to a reactor system (1) and method for manufacturing and / or processing particles (P) in a vibrating process gas stream.

A system for producing ether includes a first etherification reactor system containing first catalyst and producing a first reaction effluent when supplied with alcohol and olefinic hydrocarbon feedstock, a second etherification reactor system containing second catalyst and producing a second reaction effluent when supplied with the first reaction effluent, and a distillation column receiving the second reaction effluent at a feed-point between the bottom and the top of the distillation column. The produced ether is taken out from the bottom of the distillation column. Volume of the first catalyst contributing the production of the first reaction effluent is at most 15% of total volume of the first catalyst and the second catalyst contributing the production of the second reaction effluent. The first etherification reactor system acts as a guard-bed reactor which removes unwanted components from the feed and thus protects the second etherification reactor system.

The utility model discloses polycrystalline silicon and organic silicon high boiling pyrolysis reactor system of promoting gas solid liquid three -phase mass transfer relates to chemical industry technical field. The polycrystalline silicon and organic silicon high boiling pyrolysis reactor system of promoting gas solid liquid three -phase mass transfer, including reactor main part, catalyst stacking unit, liquid distributor main part and gas distribution unit. The polycrystalline silicon and organic silicon high boiling pyrolysis reactor system of promoting gas solid liquid three -phase mass transfer, gas catalyst passes into the exhaust pipe through the communication groove, and then gas catalyst is evenly sprayed into the catalytic filler of loading net cylinder through the spray head, and the liquid raw material is evenly flowed through the catalytic filler of loading net cylinder through the liquid distribution port, so that the gas and solid catalyst are mixed in the loading net cylinder, the reaction rate is improved, and the uniformity of mixing is ensured, the mixing effect of liquid raw material and gas is improved, and the reaction and product generation are accelerated.

The invention discloses a DC-NGPC reactor load tracking control method and system fused with disturbance compensation, and the system comprises a nonlinear disturbance observer which is used for calculating a nonlinear disturbance estimation value of a reactor system according to the speed of a control rod and state feedback information outputted by the reactor system; the nonlinear generalized predictive controller based on disturbance compensation is used for providing a predictive control law of reactor load tracking control, and the predictive control law is used for calculating the speed of a control rod according to a power track provided by the outside, state feedback information output by a reactor system and a nonlinear disturbance estimated value calculated by the nonlinear disturbance observer; wherein the control rod speed is provided for the reactor system after being subjected to rod speed amplitude limiting, so as to track and control the load of the reactor system. The disturbance observed quantity obtained through estimation is introduced into the nonlinear generalized predictive controller, dynamic compensation of disturbance is effectively achieved, and the robustness of the whole system is improved.

A buoyancy driven fluid system coupled to a reactor system configured to achieve free convection operable to cool the reactor system is disclosed. The buoyancy driven fluid system of the present disclosure generates natural circulation by designing the reactor system to have a large vertical offset between the heat exchanger and the reactor core thereby generating a large buoyancy force between a thermal center of the reactor core and a thermal center of the heat exchanger. By ensuring that the sum pressure drop of the components connected to the primary fluid loop is no greater than the buoyancy force of the system, the fluid may circulate throughout the reactor system without the aid of pumps or other forced flow mechanism. The reactor system may be designed within certain size constraints to maintain a compact form while still providing free convection.

To provide a fluidized bed reactor configured to allow particle sample recovery without interrupting an ongoing reaction.SOLUTION: A fluidized gas reactor includes: a reaction chamber 1 including a fluidized bed; a gas distribution plate 3 having a plurality of openings 9 opening toward the reaction chamber; a plurality of fluidizing gas inlet tubes 4 each being in communication with one of the openings in the gas distribution plate; a fluidizing gas source configured to provide a stream of the fluidizing gas individually to each of the fluidizing gas inlet tubes; a coolant system which has a fluid inlet, a coolant flow path in communication with the fluid inlet, the coolant flow path being configured to cool each of the fluidizing gas inlet tubes; and a fluid outlet in fluid communication with the coolant flow path. Each of the fluidizing gas inlet tubes is configured to receive a fluidizing gas and transport the fluidizing gas to the reaction chamber.SELECTED DRAWING: Figure 1

A process for converting whole crude oil and other heavy hydrocarbon streams to produce ethylene is provided. The process includes feeding a hydrotreated mid-boiling fraction, a hydrotreated resid fraction, or both, and a light boiling fraction to a steam cracker and recovering a light fraction. The light fraction is fed to a first separator and a C1-C3 stream and a mixed C4 and C4 + stream comprising isoolefins, olefins and dienes are recovered, and the mixed C4 and C4 + stream is fed to a second separator and a mixed C4 stream comprising isoolefins, olefins and C4 + streams is recovered. A portion of the mixed C4 stream is dimerized in a dimerization unit to produce a dimerization product stream, hydrogenated in a total hydrogenation system to produce a hydrogenated dimerization product stream, and cracked in a thermal cracking reactor system to produce one or more of hydrogen, methane, ethylene, propylene, n-butene, and isobutene.