52results about "Indirect heating destructive distillation" 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.

The continuous biochar kiln makes biochar from biomass. The continuous biochar kiln is continuously operated by using an updraft fire through a vertical rotating fire tube. The rotary fire tube is attached to a blade that acts as a conveyor or mixer. The blade conveys the biomass from the inlet to the outlet of the cylinder shape and air-tight kiln. As the biomass is conveyed it receives the heat transfer from the vertical rotating fire tube wherein the biomass transforms into biochar at the outlet valve through the process of pyrolysis. The pyrolysis combustible gas may be generated during the process and that gas becomes the thermal energy to continue fueling the kiln.

The invention discloses a garbage hydrolysis fuelization energy-saving system and method. The garbage hydrolysis fuelization energy-saving system comprises a preheating system, a carbonization reaction kettle system and a heat energy recovery pipeline, the preheating system comprises a tank body and a stirrer arranged in the tank body, the tank body is provided with a feed port and an industrial water inlet, the wall of the tank body is of an interlayer structure, and the tank body is provided with a high-temperature water inlet and a high-temperature water outlet which are communicated with the interlayer structure of the wall; the carbonization reaction kettle system comprises a horizontal kettle body, a jacket heating layer and an inner heating coil pipe arranged in the horizontal kettle body, the top of the horizontal kettle body is communicated with the tank body, the bottom of the horizontal kettle body is provided with a discharge port, the jacket heating layer is provided with a jacket steam inlet and a jacket condensate outlet, and the inner heating coil pipe is provided with a coil pipe steam inlet and a coil pipe condensate outlet; one end of the heat energy recovery pipeline is connected with the jacket condensate outlet and the coil condensate outlet, and the other end is connected with the high-temperature water inlet; the high-temperature water outlet is connected with a steam generator, and a steam outlet of the steam generator is connected to the jacket steam inlet and the coil pipe steam inlet.

To provide a control apparatus and method using a pyrolysis raw material and product image information.SOLUTION: A pyrolysis reaction method comprises: a raw material input step of acquiring first data while inputting a raw material; a pyrolysis reaction step of moving the raw material while pyrolyzing the same; a reaction product discharge step of acquiring second data while discharging a pyrolysis reaction product; an image sample collection step of additionally securing the number of image samples of the first data and the second data; a DB storage step of normalizing the secured image samples into time-series data and storing RGB code values in a DB; a labeling step of assigning labels to the first data and the second data based on the stored DB values; a data processing step of generating third data as estimated moisture content and fourth data as estimated calorific value by utilizing the first data and the second data; and a control value derivation step of deriving control values for pyrolysis temperature and pyrolysis time required to ensure a calorific value-based quality of the pyrolyzed reaction product based on the third data and the fourth data.SELECTED DRAWING: Figure 1

A method of producing carbon agglomerate is provided, capable of producing carbon agglomerate having high strength capable of withstanding use in a blast furnace even when a usage amount of carbonaceous raw material that has poor softening and melting property is increased. The method includes: a powder preparation process of preparing a carbonaceous powder obtained by heat treating carbonaceous raw material having a maximum fluidity MF of 5 ddpm or less as measured by a Gieseler plastometer, the carbonaceous powder having a volatile content of 6 wt% D.B. or more and less than 20 wt% D.B. and a maximum particle size of 300 µm or less; and a hot pressing process of pressure molding the carbonaceous powder under a set of conditions including a maximum arrival temperature of 600 °C or more and 1250 °C or less in an oxygen-excluded environment to obtain the carbon agglomerate.

The application discloses a biomass and coal co-pyrolysis reactor, which comprises a reactor body, wherein the reactor body comprises a biomass pyrolysis cylinder and a coal pyrolysis cylinder which are communicated with each other, the biomass pyrolysis cylinder is connected below the coal pyrolysis cylinder, the cross-sectional area of the biomass pyrolysis cylinder is smaller than that of the coal pyrolysis cylinder, the bottom of the biomass pyrolysis cylinder is provided with a lifting gas inlet, the gas generated by the coal pyrolysis is suitable to enter the reactor body through the lifting gas inlet, the top of the coal pyrolysis cylinder is provided with a product outlet, at least one biomass feeding port is arranged on the side wall of the biomass pyrolysis cylinder, at least one coal feeding port is arranged on the side wall of the coal pyrolysis cylinder, and a plurality of heat accumulating radiation pipes are arranged in the biomass pyrolysis cylinder and the coal pyrolysis cylinder in a spaced mode. According to the biomass and coal co-pyrolysis reactor, hydrogen in the biomass can be easily transferred to the oil gas in the coal pyrolysis cylinder, and the biomass and the coal pyrolysis can reach a synergistic effect.

A method of processing biomass is disclosed. The method includes providing biomass to a pyrolysis kiln, where the biomass has a moisture content of less than 40% and an ash content of less than 50%, and where the biomass has a biomass input temperature of less than 125°C. The method continues with heating at least an upstream portion of the pyrolysis kiln to maintain an upstream kiln temperature of between 800°C and 1250°C, and feeding the biomass through the pyrolysis kiln for a pyrolysis duration of 5 to 60 minutes to produce a kiln output that includes biocarbon and syngas. The biomass increases from the biomass input temperature to a biomass reaction temperature of at least 800°C in less than 25% of the pyrolysis duration. The method continues with discharging at least the biocarbon and the syngas from the pyrolysis kiln. Other methods and pyrolysis kilns are also disclosed.

A method of producing carbon agglomerate is provided, capable of producing carbon agglomerate having high strength capable of withstanding use in a blast furnace even when a usage amount of carbonaceous raw material that has poor softening and melting property is increased. The method includes: a powder preparation process of preparing a carbonaceous powder having a volatile content of 6 wt% D.B. or more and less than 20 wt% D.B., an O / C ratio representing an atomic ratio of O atoms to C atoms of 0.040 or more, and a maximum particle size of 300 µm or less; and a hot pressing process of pressure molding the carbonaceous powder under a set of conditions including a maximum arrival temperature of 600 °C to 1250 °C in an oxygen-excluded environment to obtain the carbon agglomerate.

The present invention relates to a process for producing recovered industrial carbon black, comprising the following steps: • Selecting used tires, • Shredding of used tires into used tire granules, • Pyrolysis of the waste tire granulate with a residence time of between 2 and 4 hours at a material temperature between 550°C and 750°C, • Grinding of the recovered industrial soot, • Wet pelletizing of the ground, recovered industrial carbon black. The recovered industrial carbon black produced by this process is particularly suitable for use in rubber applications, for example in tire manufacturing.

The application discloses a waste heat recovery device for sludge pyrolysis, and relates to the technical field of sludge treatment equipment. The waste heat recovery device for sludge pyrolysis comprises, which are sequentially connected in cooperation, a pyrolysis furnace, a preheating furnace, a cooling furnace, a cyclone dust collector, a conveying motor and connecting bolts. The pyrolysis furnace is internally provided with a pyrolysis tube cavity, a ventilation bin and a combustion bin. The preheating furnace is internally provided with heat absorption fins and baffles for heat exchange intensification. The cooling furnace is internally provided with two groups of independent heat dissipation channels formed by double spiral plates. The cyclone dust collector realizes flue gas dust removal and purification. The flue gas and water vapor generated by pyrolysis are preheated after dust removal. Non-condensable gas is recycled as combustion supplementary fuel. Residual heat of sludge residue is used to heat air for combustion oxygen supply and sludge drying. Condensed water vapor is collected and treated through a condensate tank. The device realizes waste heat cascade recycling, has compact and stable structure, high heat exchange efficiency, can significantly reduce energy consumption and reduce secondary pollution, and is suitable for sludge pyrolysis treatment scenes.

Systems and methods of producing hydrochar include a well having a depth, a top positioned at surface, a bottom portion positioned at a subterranean location, the well comprising casing and tubing positioned therein, forming an annulus. The casing and tubing define a hydrothermal carbonization (HTC) reaction zone in a bottom portion of the well and a heat transfer and separation zone above the HTC reaction zone. The well may be heated using high pressure steam and / or a cable having an electric heating element positioned in the tubing in the HTC reaction zone configured to transfer energy to biomass slurry flowing through the tubing, converting some of the biomass slurry into hydrochar by HTC. The well depth and heating are design to produce temperature and pressure in the HTC reaction zone sufficient to form sub-critical water and produce a product fluid comprising the hydrochar.

The application provides a chain pyrolysis device with transverse flexible wires and a pyrolysis method, relates to the technical field of pyrolysis, and comprises a closed shell, a chain transmission mechanism, a flexible reaction net, a plurality of flexible scrapers and a baffle; the chain transmission mechanism comprises a pair of parallel horizontally placed flat annular plate chains and driving and supporting components thereof, is divided into a reaction zone, a separation zone and a driving zone; the flexible reaction net comprises a plurality of pairs of fin rods which are arranged at intervals on the two plate chains and a plurality of parallel flexible wires which are connected to the fin rods on the two sides respectively; one end of the flexible scraper is fixed to the inner surface of the closed shell above the separation zone and the other end can contact the flexible reaction net. The application can directly and efficiently pyrolyze large-size strip-shaped organic waste, so as to solve the technical problems that the existing pyrolysis device is prone to softening, caking and blocking of raw materials, serious coking and slagging and high pretreatment cost when processing strip-shaped organic waste.

The application discloses a biomass side-in pyrolysis recycling system and method based on visible heat of molten slag, and the system comprises a separated feeding system, a light-pipe refractory lining rotary reaction kettle, a solid phase grading collection and waste heat feedback system and a gas-liquid multistage purification and recycling system.The separated feeding system realizes non-contact feeding of high-temperature molten slag and biomass, and prevents early combustion and coking at the feeding throat; the light-pipe refractory lining rotary reaction kettle is free of metal components in the interior, and solves the problems of high cost of traditional electric heating and short service life of metal components; the solid phase grading collection and waste heat feedback system realizes hot-state screening and recycling of waste heat of molten slag for raw material pre-drying; and the gas-liquid multistage purification and recycling system realizes high-value separation of heavy tar, light bio-oil and non-condensable combustible gas through gradient condensation.The application solves the problems of short service life of the prior art equipment, easy blocking of feeding and low product recycling quality, and realizes deep utilization of waste heat of molten slag and efficient conversion of biomass.

The invention relates to a method for producing recovered carbon black, comprising the following steps: • selecting used tires, • comminuting the used tires to form a used tire granulate • pyrolyzing the used tire granulate with a residence time between 2 and 4 hours at a material temperature between 550°C and 750°C • grinding the recovered carbon black • wet-pelletizing the ground recovered carbon black. The recovered carbon black produced by the method is particularly suitable for use in rubber applications, for example for producing tires.

The application discloses a kind of solar-driven biomass continuous pyrolysis system and method based on thermochemical heat storage, system includes: solar heat collecting unit, for collecting solar radiation energy;Biomass pyrolysis reaction unit is equipped with biomass feed inlet and product discharge port;Thermochemical heat storage unit is equipped with CO2 import and CO2 export, internally filled with thermochemical heat storage material with MgO / MgCO3 as active component;Thermochemical heat storage unit is respectively with solar heat collecting unit and biomass pyrolysis reaction unit by heat exchange medium circulation pipeline heat exchange;CO2 circulation subsystem;Control system, with solar heat collecting unit, biomass pyrolysis reaction unit, thermochemical heat storage unit and CO2 circulation subsystem electric connection, according to preset parameter automatic adjustment operating mode and heat exchange medium flow.This scheme will unstable solar energy into chemical energy storage, and release in the form of heat energy, for biomass pyrolysis provides continuous, controllable heat source.

The application discloses a desulfurization and denitrification activated carbon carbonization furnace with a temperature control system, which comprises a feeding hopper, a feeding valve, a preheating box, a stirring mechanism, a stirring motor, a heating mechanism one, a temperature sensor one, a discharge pipe one, a valve one, a carbonization box, a stirring mechanism, a stirring motor, a heating mechanism two, a temperature sensor two, a discharge pipe two, a valve two, a cooling box, a screw rod, a screw rod motor, a cooling jacket, a refrigerant inlet pipe, a refrigerant outlet pipe, a temperature sensor three, a discharge pipe, an exhaust pipe and a PLC controller and the like structures. Through the three-stage structure (preheating, carbonization and cooling), precise temperature control is realized, the stirring mechanism, the stirring mechanism and the spiral cooling water channel are combined to improve the uniformity of material processing; the PLC controller integrates the multi-section temperature sensor and the execution element, automatically adjusts the heating, cooling and conveying parameters, significantly improves the activated carbon pore development quality and the desulfurization and denitrification efficiency, and reduces the energy consumption and pollution emission.

The present invention pertains to an organic feedstock decomposition method comprising: a feedstock supply step for supplying, to a fluidized bed decomposition device, artificial carbon particles and an organic feedstock containing biomass and / or organic polymer waste; and a decomposition step for, while introducing a carrier gas into the fluidized bed decomposition device and fluidizing the artificial carbon particles, decomposing the organic feedstock and discharging the result with the carrier gas as a non-solid-state decomposition component, whereas solid residue generated by said decomposition is discharged separate from the non-solid decomposition component.

This application relates to a household-type combined heat and carbon production furnace. The equipment includes: a furnace body, a carbonization furnace, and a locking assembly. The furnace body has a double-layered cylindrical structure with a liftable furnace plate installed at its bottom. The carbonization furnace is suspended within the furnace body, with an annular gap between the furnace and the furnace body. A vertically aligned guide tube is installed inside the carbonization furnace, with its top end flush with the top surface of the furnace and its bottom end extending from the bottom of the furnace to the outside. A locking assembly for fixing the position of the furnace plate is also installed at the bottom of the furnace body, allowing for multi-level adjustment of the furnace plate's height. The solution provided in this application can fully utilize the heat energy generated by combustion and directly utilize the combustible gas produced during pyrolysis as secondary fuel for reburning, significantly improving thermal efficiency and producing biochar, thus achieving a heat-carbon cycle.

The application provides a chain pyrolysis device with cross flexible rods and a pyrolysis method, and relates to the technical field of pyrolysis. The device comprises a closed shell, a chain transmission mechanism, a flexible reaction net, a plurality of flexible scrapers and a baffle. The chain transmission mechanism comprises a pair of parallel horizontally placed flat annular plate chains and driving and supporting components thereof, and is divided into a reaction zone, a separation zone and a driving zone. The flexible reaction net comprises a plurality of fin rods arranged at intervals on the two plate chains and flexible rods which are inclined to extend between the two plate chains and cross each other. One end of the flexible scraper is fixed to the closed shell above the separation zone, and the other end can contact the flexible reaction net. The application can directly and efficiently pyrolyze large-size strip-shaped organic waste, so as to solve the technical problems that the existing pyrolysis device is prone to softening, caking and blocking of raw materials, serious coking and slagging, and high pretreatment cost when processing strip-shaped organic waste.

Apparatus (10; 10') for the heat treatment of materials (M) comprising both a reaction chamber (11) configured to receive materials (M) to be treated and provided with an advance device (15) configured to make said materials (M) fed by at least one feed duct (16) advance toward at least one outlet duct (17) for the disposal of the solid component resulting from the pyrolysis of the treated materials (M), and also a furnace (12) having a containing chamber (13) which at least partly encloses said reaction chamber (11) and is configured to heat the reaction chamber (11) and said materials (M) present therein by thermal conduction, generating gaseous substances (S) therein. The advance device (15) comprises a helical structure formed by a plurality of turns (20), and a central shaft (21), internally hollow so that it can receive said gaseous substances (S) inside it and rotatable around a central axis (AC) so as to make said turns (20) rotate, thus making said materials (M) advance.

The present invention relates to a reactor for thermochemical conversion of solid biomass to biochar, in particular pyrolysis, consisting of a reactor chamber with a reactor chamber wall, a reactor chamber bottom, an inlet opening and an outlet opening, an outer retort arranged within the reactor chamber with an outer retort wall, an outer retort bottom, an outer retort lid and an outer retort opening, and an inner retort removably arranged in the outer retort with an inner retort wall, an inner retort bottom, an inner retort lid and an inner retort opening, wherein at least the partial, preferably complete outer surface of the inner retort wall and / or at least the partial, preferably complete outer surface of the inner retort bottom and at least the partial, preferably complete inner surface of the outer retort wall and / or at least the partial, preferably complete inner surface of the outer retort bottom form an interspace, wherein at least the partial, preferably complete outer surface of the outer retort wall and / or at least the partial, preferably complete outer surface of the outer retort bottom and at least the partial, preferably complete inner surface of the reaction chamber wall and / or at least the partial, preferably complete inner surface of the reaction chamber bottom form a flow channel for guiding a gaseous heating medium from the inlet opening to the outlet opening, wherein the flow channel comprises at least one flow element suitable for causing pressure loss within the gaseous heating medium. Additionally, the invention relates to a plant and a process for the thermochemical conversion of solid biomass to biochar, in particular pyrolysis.

This application discloses a self-cleaning rotary pyrolysis device with transverse flexible filaments and its pyrolysis method, comprising: a pyrolysis furnace, a rotating mechanism, a flexible reaction cage, and a cleaning mechanism. The pyrolysis furnace has a cavity. The rotating mechanism is located in the cavity and includes a fixed shaft and a rotating sleeve rotatably mounted on the fixed shaft. The flexible reaction cage is located in the cavity and connected to the rotating sleeve. The flexible reaction cage has multiple flexible filaments, each filament forming an inner cavity. The cleaning mechanism is located in the cavity and includes an outer grinding roller and an inner grinding roller, both of which are rotatably mounted. Each flexible filament passes sequentially through the rolling surface between the outer and inner grinding rollers. The outer and inner grinding rollers of the cleaning mechanism thoroughly clean the stubborn, dense, and sticky residues on the flexible filaments through squeezing and friction, solving the problems of easy softening and adhesion of raw materials, difficulty in removing pyrolysis residues, and low space utilization in existing pyrolysis devices.

The invention is directed to a process and a system of producing a hydrocarbon feedstock comprising an oligomeric product derived from waste plastic material wherein such hydrocarbon feedstock is particularly suited for fluidized catalytic cracking. The invention further relates to such hydrocarbon feedstock and its associated properties.

The present invention relates to a reactor for thermochemical conversion of solid biomass to biochar, in particular pyrolysis, consisting of a reactor chamber with a reactor chamber wall, a reactor chamber bottom, an inlet opening and an outlet opening, an outer retort arranged within the reactor chamber with an outer retort wall, an outer retort bottom, an outer retort lid and an outer retort opening, and an inner retort removably arranged in the outer retort with an inner retort wall, an inner retort bottom, an inner retort lid and an inner retort opening, wherein at least the partial, preferably complete outer surface of the inner retort wall and / or at least the partial, preferably complete outer surface of the inner retort bottom and at least the partial, preferably complete inner surface of the outer retort wall and / or at least the partial, preferably complete inner surface of the outer retort bottom form an interspace, wherein at least the partial, preferably complete outer surface of the outer retort wall and / or at least the partial, preferably complete outer surface of the outer retort bottom and at least the partial, preferably complete inner surface of the reaction chamber wall and / or at least the partial, preferably complete inner surface of the reaction chamber bottom form a flow channel for guiding a gaseous heating medium from the inlet opening to the outlet opening, wherein the flow channel comprises at least one flow element suitable for causing pressure loss within the gaseous heating medium. Additionally, the invention relates to a plant and a process for the thermochemical conversion of solid biomass to biochar, in particular pyrolysis.

Pyrolysis process comprising a preheating phase of a reactor vessel (5), followed by a heating phase of the reactor vessel to a set temperature, during which the material to be pyrolyzed is fed into the vessel, followed by a pyrolysis phase. The process includes, after the pyrolysis phase, a final heating phase and then a cooling phase of the vessel to a predetermined temperature above ambient temperature, followed by a phase of removing the char contained in the vessel by suction. Installation for implementing the process. Figure for the abstract: Figure 1

The present invention relates to a system for smart agriculture biochar production, yield prediction, and measurement. The system utilizes real time remote sensing of the local environment, weather and related conditions, and data analysis on spatial and spectral imagery data captured from satellite sensors, aerial sensors, and agricultural drones. The system performs a field mapping of a target field having a biomass and obtaining spectral imagery data of the biomass. A mobile pyrolysis system is deployed about the target field and follows a path derived from the spectral imagery data.

The present invention relates to an improved method and apparatus of producing activated carbon material from carbonaceous feedstock material with enhanced energy recovery processes.

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.

A continuous-feed rotary reactor system, for pyrolysis and torrefaction, said reactor comprising: an auger-based hopper system, to resolve bridging of waste during feeding, said hopper system comprising an input hopper (H1, H2), being a two-step hopper (H1, H2), for receiving input feed; a first combinatorial airlock valve system (AV1, AV2) forming an airlock feeding system, to bridge transfer of feed, a reactor (R), containing a carbon removal mechanism (CRM) with a second combinatorial airlock valve system (AV3, AV4), said carbon removal mechanism comprising at least a carbon removal screw configured to receive said carbon char, to process said carbon char, and to output biochar, alternative charcoal, feedstock for bitumen modifier, said carbon removal mechanism (CRM) comprising an auger screw mechanism, and an airtight collection mechanism, which comprises the second combinatorial airlock valve system (AV3, AV4), to manipulate residence of time of said carbon char in said reactor.

A process for converting plastics is disclosed. The process comprises pyrolyzing a plastic feed stream in a first pyrolysis reactor to produce a pyrolysis vapor stream. The pyrolysis vapor stream is pyrolyzed in a second pyrolysis reactor to produce a pyrolysis product stream. The first pyrolysis reactor may be operated at a higher temperature than the second pyrolysis reactor. The plastic feed stream may be separated from a mixed-plastic stream.