682results about "Pyrolysis reactions" patented technology

Disclosed herein are methods for pyrolysis of plastic feedstock comprising post-consumer and / or post-industrial plastics. In various implementations, the methods include directing the plastic feedstock into an internal volume of a reactor vessel, and pyrolyzing the plastic feedstock in the internal volume of the reactor vessel.

Disclosed herein are reactors for pyrolysis of plastic feedstock comprising post-consumer and / or post-industrial plastics. In various implementations, the reactors include a reactor vessel, and one or more heaters configured for heating the feedstock in the reactor vessel's internal volume.

Disclosed herein are reactors for pyrolysis of plastic feedstock comprising post-consumer and / or post-industrial plastics. In various implementations, the reactors include a reactor vessel, and one or more heaters configured for heating the feedstock in the reactor vessel's internal volume.

Disclosed herein are reactors for pyrolysis of plastic feedstock comprising post-consumer and / or post-industrial plastics. In various implementations, the reactors include a reactor vessel for receiving and pyrolyzing the plastic feedstock, and one or more heaters for heating the feedstock in the reactor vessel's internal volume.

Disclosed herein are methods for pyrolysis of plastic feedstock comprising post-consumer and / or post-industrial plastics. In various implementations, the methods include directing the plastic feedstock into an internal volume of a reactor vessel, and pyrolyzing the plastic feedstock in the internal volume of the reactor vessel.

Systems and methods for producing green hydrogen from a source material (e.g., biowaste) are contemplated. The source material is at least partially dehydrated to produce a dried intermediate and recovered water. The dried intermediate is pyrolyzed to produce syngas and a char. The recovered water is electrolyzed to produce oxygen and green hydrogen.

The invention relates to the technical field of temperature monitoring, and discloses a temperature monitoring method of a device for preparing biochar by using a Fresnel lens system, and the method comprises the steps: collecting temperature monitoring data in a reaction cylinder, carrying out the abnormal point elimination, sampling consistency correction and sliding smoothing, and generating a temperature trend sequence; dividing the data into a heating section, a stable section and a fluctuation section according to trend change, extracting and constructing a corresponding sample set, and counting a sample proportion to judge a temperature control state; calling historical temperature trajectories to carry out feature comparison, judging whether trend deviation exists or not, and if so, screening similar trajectories to construct a reference trajectory library and a temperature correction parameter set; and adjusting the current trend sequence based on the correction parameters, and outputting a carbonization preparation completion instruction when temperature, time and fluctuation conditions are met. According to the invention, by introducing a multi-stage sample division and trend track comparison mechanism, real-time monitoring and dynamic correction of the temperature control process are realized.

A rotary bladed apparatus (100) for processing feedstocks in a process fluid is provided, said apparatus comprises means for adjusting position of a working blade cascade of the rotor (3) relative to stator components (2, 4) in a longitudinal direction of a rotor shaft (1). Adjustment is performed through axial displacement of the rotor (3) or, alternatively, through axial displacement of the reactor housing (22 A, 32A). A method for improving process efficiency and for regulating flow losses during processing of feedstocks in a process fluid, in particular, in off-design conditions in the bladed apparatus (100) is further provided. In embodiments, processing of feedstocks includes thermal- or thermochemical cracking of hydrocarbon-containing feedstock.

The disclosure relates to the purification and treatment of oil produced from the liquefaction of waste polymer like for instance the pyrolysis of waste plastics via the polymerization of dienes prior to further treatments.

The invention aims to provide a solid hydrogen storage hydrogen closed cycle hydrogen source generator for an underwater vehicle, which belongs to the field of dehydrogenation devices and comprises a reactor, a pressure stabilizing common rail pipe, a hydrogen storage material delivery pump, a solid hydrogen storage material storage unit, a solid hydrogen storage material spraying device, a product collecting device and a hydrogen storage unit. The hydrogen storage material conveying pump is connected with the pressure stabilizing common rail pipe, the solid hydrogen storage material storage unit and the solid hydrogen storage material spraying device, the hydrogen storage unit is connected with the pressure stabilizing common rail pipe, and the reactor is connected with the hydrogen storage unit. The solid hydrogen storage material is used for releasing hydrogen, one part of hydrogen is conveyed to the fuel cell to react for power output of the underwater vehicle, the other part of circulating hydrogen assists the hydrogen storage material in injection, and an underwater closed circulation mode suitable for the underwater vehicle is achieved. The solid hydrogen storage material conveying module and the circulating hydrogen supply module are matched, and rapid mixing of the solid hydrogen storage material and hydrogen and large-flow injection of the solid hydrogen storage material are achieved.

The invention discloses a cracking furnace intelligent optimization system control method and system architecture, and belongs to the cracking furnace application field, and the cracking furnace intelligent optimization system control method comprises the following steps: S1, collecting cracking furnace operation time sequence characteristic data and flame combustion video data in real time through a sensor and a high temperature camera; s2, preprocessing the collected multi-modal data, S3, integrating the preprocessed multi-modal data by using federal learning, and constructing a cross-modal causal logic model; s4, designing a deep reinforcement learning framework, introducing the dynamic prediction model of the cracking furnace, and reasoning the recommendation range of each parameter of the optimized operation of the cracking furnace; s5, dynamic process data and the environment-friendly emission prediction model are combined, a data-driven MPC algorithm framework is adopted, and dynamic optimization control over the cracking furnace is achieved; and S6, the operator performs adjustment or selects emergency operation according to the recommended parameters and strategies to realize man-machine cooperative control. Finally, the dynamic optimization control of the cracking furnace can be realized, and the energy consumption is effectively reduced.

Ammonia, methanol, Fischer Tropsch products, and derivatives thereof are made by using hydrogen and oxygen supplied from an electrolyzer that is at least partially powered by renewable power, resulting in green process and systems that produce green products disclosed herein. A process using biomass and renewable energy includes producing an unshifted syngas from biomass and oxygen in a gasification unit, introducing water into an electrolyzer to produce an oxygen product and a hydrogen product, and introducing the oxygen product to the gasification unit. The electrolyzer is powered by renewable energy, and the oxygen product supplies at least a portion of the oxygen to the gasification unit.

The disclosure relates to the purification and treatment of oil produced from the liquefaction of waste polymer like for instance the pyrolysis of waste plastics via the polymerization of dienes prior to further treatments.

A mixture of a fuel and an oxidant is flowed into a rotating detonation engine defining a longitudinal axis and having an outer body and an inner body spaced from the outer body to thereby define an annular combustion chamber. The fuel is combusted in the presence of the oxidant in the annular combustion chamber so as to generate a detonation wave that rotates in the combustion chamber around the longitudinal axis and produces one or more combustion products that flow out of the rotating detonation engine. The one or more combustion products are mixed with a feedstock so as to decompose the feedstock.

The invention provides an electro / thermochemical gradient hydrogen production system and method for solar radiation energy grading and residual light energy thermal complementary coupling. The system comprises a light condensation assembly; the frequency division assembly is used for grading solar spectrum radiation; a photovoltaic cell power generation device; the methane oxygen-enriched combustion high-temperature photovoltaic power generation device is used for realizing oxygen-enriched combustion of natural gas by utilizing residual heat heat energy and generating power by utilizing radiation energy generated by high-temperature flue gas generated after combustion; the solid oxide electrolytic tank device is used for pushing solid oxide to electrolyze water to produce hydrogen by utilizing heat energy and electric energy contained in the high-temperature flue gas step by step; and the thermal chemical reaction device is used for promoting each step of thermal chemical reaction by utilizing heat energy and electric energy contained in the high-temperature flue gas step by step. The energy source of the system is solar radiation and natural gas, hydrogen and electricity are produced, the system utilizes different energy conversion modes to achieve temperature gradient ordered conversion and utilization of residual light energy after solar frequency division, and complementary coupling of different qualities is achieved on the basis of energy gradient conversion.

The disclosure relates to the purification and treatment of oil produced from the liquefaction of waste polymer like for instance the pyrolysis of waste plastic via the polymerization of dienes prior to further treatments.

Disclosed herein are systems for pyrolyzing plastic feedstock comprising post-consumer and / or post-industrial plastics. In various implementations, the systems include one or more energy transfer apparatuses configured for receiving the plastic feedstock and applying energy to the plastic feedstock.

A biochar production system includes a reactor body, a central rod disposed within the reactor body, a leveling arm extending from the central rod and configured to rotate about the central rod, and a bed level sensor system. The bed level sensor system includes a float configured to move from a resting position on a biomass in the reactor to an ending position upon contact with the leveling arm, and a level sensor coupled to the float via a connector. The level sensor is configured to correspondingly move with the float. A controller is configured to detect bed levels of the biomass within the reactor body, and determine a plurality of sample readings based on the detected bed levels.

A reactor including a vertically oriented vessel with a gas inlet port, a distributor, a feedstock port, and a microwave generator. The reactor is designed to process a carbon feedstock to produce hydrogen gas and a hydrogen deficient carbon product, utilizing a fluidized bed provided with microwave energy. Also disclosed are methods of converting a carbon feedstock, particularly a solid carbon feedstock, into hydrogen gas and a hydrogen deficient carbon product, preferably including carbon nanotubes.

A system and method for production of hydrogen from natural gas using a solar powered system are provided. An exemplary solar powered system includes a feed stream including methane and a solar concentrator reactor (SCR) to form hydrogen from the feed stream by pyrolysis. The SCR includes a rotating tubular reactor, a solar absorber material disposed on the rotating tubular reactor, a solar concentrator to focus sunlight on the rotating tubular reactor, and a gas-solid filtration unit to separate solid carbon from the hydrogen. The solar powered system includes a storage tank to hold the hydrogen.

The invention relates to a dry distillation extraction method of a Chinese hawthorn seed extracting solution for treating HPV (human papillomavirus), which is applied to the field of Chinese hawthorn seed processing, the Chinese hawthorn seed extracting solution is extracted by using a dry distillation method, the yield of the extracting solution is effectively improved, and a high-temperature-resistant telescopic column drives a material receiving unit to move up and down; bottom-holding type overturning is carried out on hawthorn kernels in the dry distillation stage in cooperation with the rotating action of the material holding unit, the hawthorn kernels can be evenly heated, then the yield is effectively increased, the situation that the hawthorn kernels with the bottoms close to a heat source are excessively heated, and ineffective components are generated is avoided, bottom-holding type overturning work on the hawthorn kernels is gentle, and the practicability is high. According to the invention, a large amount of dust is not generated due to crushing of the hawthorn kernels, the purifying workload of the extracting solution is effectively reduced, in addition, the hawthorn kernels can be preheated by utilizing the expandability of the material receiving unit, and the production efficiency is effectively improved while the energy consumption is saved.

The invention relates to a multi-source heat carrier heat transfer coal pyrolysis reaction device, and relates to the technical field of multi-heat source complementary coal pyrolysis and gasification. Comprising a reactor, a spiral feeder, a solid product collector and a heat storage cavity, the interior of the reactor is divided into a pyrolysis cavity and a heat supply cavity through a steel plate; the spiral feeder is connected with the top of the pyrolysis cavity through a conveying pipe, and the solid product collector is connected with the bottom of the pyrolysis cavity through a pneumatic knife gate valve; and the pyrolysis cavity is connected with the bottom of the heat storage cavity through a pneumatic knife gate valve. The function that the reactor adapts to multi-source heat sources and high heat transfer flux is achieved through circular flowing of the high-temperature heat carrier; the heat transfer efficiency of the reactor can be effectively improved by regulating and controlling the heat transfer characteristic and the flowing state of the high-temperature heat carrier, and the pyrolytic reaction rate is increased.

The invention belongs to the technical field of petrochemical engineering, and relates to a continuous coking production system and process method for hydrogenated unconverted oil, and the production system comprises a membrane filter, a raw material tank, a homogenizer, a tubular furnace, a coking machine, an oil cooler and a stock bin. According to the invention, the continuous production of the high-quality petroleum coke is realized by combining a synergistic process method of membrane filtration, modification, homogeneous emulsification and tubular furnace coking machine coupling with a graphite adding and hydraulic conveying technology without a noble metal catalyst. The sulfur content, the ash content and the volatile components of the petroleum coke prepared by the technological method all meet the industrial standards, the requirement of pre-culture low-emission anode coke of electrolytic aluminum can be met, and the cost is low.

The disclosure relates to the purification and treatment of oil produced from the liquefaction of waste polymer like for instance the pyrolysis of waste plastic via the polymerization of dienes prior to further treatments.

The present invention relates, in general, to a system and method for focusing gas distribution through at least one three-dimensionally (3D) printed lattice heating elements within an electric catalyst unit to promote ammonia dissociation. The present invention allows gaseous ammonia to be continuously heated under turbulence as it flows through non-linear paths within a 3D printed lattice heating element. The lattice structure of the heating element provides a balance between surface area and heat dissipation, allowing the heating elements to reach a suitable temperature to perform ammonia dissociation, but which are not oversaturated with heat which could result in failure or melting of the heating element.

The invention discloses a waste plastic cracking device, and relates to the technical field of plastic cracking devices, the waste plastic cracking device comprises a conveying belt, and the conveying belt is used for feeding waste plastic through a feeding hopper; a cylindrical machine body is erected on the initial-section thermal cracking machine through a frame body, a conveying screw rod is arranged in the machine body, a feeding hopper is arranged on the front section of the machine body, a plurality of heat conduction layers wrap the peripheral wall of the machine body, a heating layer is arranged outside each heat conduction layer, an extrusion die is connected to the tail end of the machine body, and the extrusion die is connected with a discharging pipe; a feeding hole is formed in the thermal cracking main furnace body, so that the molten plastic waste can enter the cracking reaction chamber; a heating device is arranged on the periphery of the cracking reaction chamber; an oiling output pipe is arranged at the upper part of the cracking reaction chamber; a conveying pipe is arranged at the bottom of the cracking reaction chamber, and a slag outlet of the conveying pipe is connected with a slag outlet set. According to the invention, the waste plastics are cracked in a batch heating manner, so that the reaction time is shortened, the energy is saved, and the safety is improved.

A fully modular assembled pyrolysis reactor with multiple feeding points includes modular upper and lower vessels. The lower vessel is equipped with a first biomass input unit, and inside the lower vessel, there is an integrated rotatable grate. The outlet end of the input pipe of the first biomass input device is formed at the top center of the grate, so that the grate's surface forms the core reaction zone of the pyrolysis reactor. The upper vessel is equipped with additional biomass input units, and the outlet end of the input pipe of the additional biomass input units extend into the core reaction zone of the pyrolysis reactor, with built-in cooling function and door switch. While achieving precise control, the technical problem of single feedstock in existing vertical pyrolysis reactor with bottom feeding is solved, and the use of multiple feedstocks can be immediately implemented, greatly improving operational stability.

A method for treating mixed plastic waste, the method comprising: (I) pyrolyzing the mixed plastic waste in a pyrolysis reactor at a temperature of 250 DEG C to 700 DEG C and a pressure of 1.0 bar to 100 bar to form a pyrolysis oil; (II) optionally transferring the pyrolysis oil directly to a hydrotreating unit via a filter, and subjecting the pyrolysis oil to hydrotreating with a catalyst in the presence of hydrogen at a temperature of 250 DEG C to 700 DEG C and a pressure of 1.0 bar to 100 bar to form a hydrotreated pyrolysis oil; (III) regenerating a portion of the hydrotreated pyrolysis oil directly from the hydrotreating unit to the pyrolysis reactor.

Proposed are a pyrolysis reactor and an apparatus having the same for recovering carbon fiber and glass fiber. The pyrolysis reactor includes an inner casing, a shaft, at least one movement module, and at least one stirring module. The movement module moves a waste composite material within the inner casing, and the stirring module mixes the waste composite material with hot air within the inner casing. By effectively transferring heat to the waste composite material by using the stirring module, time required for a pyrolysis process is decreased.

There is described a method for pyrolyzing a plastic material, the method comprising the steps of:-heating the plastic material to a pyrolysis temperature to provide a fluid stream comprising liquid and gaseous hydrocarbons of the at least partially pyrolyzed material; injecting the fluid stream of liquid and gaseous hydrocarbons into a gas-liquid separation vessel, wherein the gaseous and liquid materials are separated preferably under the action of gravity; -releasing the gaseous material from the separation vessel for processing the gaseous material into a hydrocarbon product; -accumulating the liquid in a bottom portion of the separation vessel and subjecting the liquid to further pyrolysis; wherein a fluid stream of the liquid and gaseous hydrocarbons is injected to create a swirling or swirling fluid flow in the separation vessel.