713results about "Direct heating destructive distillation" patented technology

The present invention relates to multi-layered pyrolysis reactor for the heat treatment of a rubber granulate. The multi-layered pyrolysis reactor has a pyrolysis zone and a gasification.

The invention discloses a pyrolysis device and method with instantaneous high temperature rise and directional regulation and control, and the method comprises the following steps: putting a pyrolysis substance into a pyrolysis reaction vessel, introducing inert gas into a superheated steam inlet, and emptying air in the pyrolysis device; superheated steam is introduced into the superheated steam inlet, and a pressure regulating valve is regulated to enable the pressure in the tubular furnace to reach the required pressure; and collecting and treating the pyrolysis product at the pyrolysis product outlet. According to the method, the boiling point of the added water vapor is regulated and controlled by controlling the pressure of a reaction section according to a Clausius-Claelong equation, sufficient heat is provided for pyrolysis substances at a high-gasification latent heat speed of the water vapor, short-time efficient pyrolysis is realized, and production of by-products in the process is reduced compared with slow heating.

A fully modularized mid-feed pyrolysis reactor includes modularized upper, middle, and lower vessels. The middle vessel is equipped with at least two feeding units. Discharge pipes of the feeding units are placed into the core feeding and reaction zone of the reactor. The discharge outlets of the discharge pipes are equipped with heat-insulating valves that can automatically close under gravity. The lower vessel integrates an integrated grate, which can be rotatably arranged inside the lower vessel. The top of the integrated grate is equipped with a rotatable distributor including a support tray and a material distribution tower with a pointed top structure positioned at the center of the support tray. The bracket formed by water-cooling pipes on the distributor can act as an agitator. Under the premise of achieving precise control, this invention solves the technical problems of single feedstock and small reactor capacity in existing bottom-feed vertical pyrolysis reactors.

The invention relates to the technical field of heavy oil product treatment, in particular to a method and device for co-production of a carbon material through molten salt pyrolysis of a liquid oil product, and the method comprises the following steps: the liquid heavy oil product is put into an electric heating molten salt reactor through a continuous feeding system, and the molten salt reactor is filled with a molten alkaline molten salt medium; carrying out catalytic pyrolysis reaction on the oil product in a liquid phase environment of the molten salt medium, wherein the oil product stays in the molten salt for 5-10 seconds; the liquid oil product is uniformly cracked in the liquid phase of the molten salt to generate low-carbon hydrocarbon gas, hydrogen and dispersed fine carbon particles, and the carbon particles suspend on the surface under the buoyancy action of the molten salt and are not deposited and gathered; suspended carbon particles are collected from the surface of the fused salt in real time through a mechanical push rod continuous collection system; according to the method, continuous and stable pyrolysis of the heavy oil product and efficient and continuous separation of the product can be realized in the liquid-phase molten salt environment, the production efficiency is improved, and the stability of the product quality is ensured.

The invention provides a waste tire pyrolysis device, system and method, and relates to the technical field of waste tire treatment.The waste tire pyrolysis device comprises a pyrolysis chamber and a high-temperature flue gas unit, and the pyrolysis chamber is provided with a heating area, a first pyrolysis area and a second pyrolysis area which are sequentially connected in the extending direction of the pyrolysis chamber; the temperature of the heating area, the temperature of the first pyrolysis area and the temperature of the second pyrolysis area are sequentially increased; each of the heating area, the first pyrolysis area and the second pyrolysis area is provided with a flue gas inlet, and the high-temperature flue gas unit is communicated with the flue gas inlets so as to supply heat to corresponding sections. The waste tire pyrolysis energy consumption can be effectively reduced, and the waste tire pyrolysis degree is ensured.

Systems and methods are provided for conversion of polymers (such as plastic waste) to olefins and / or feedstocks that can be further processed for formation of olefins, fuels, and / or other products. The systems and methods can include an optional thermal dehalogenation stage followed by an initial pyrolysis stage where a plastic feedstock is at least partially converted to lower boiling products. Prior to, during, and / or after the pyrolysis stage, one or more contaminant removal stages can be used in order to reduce the content of halides and / or other contaminants in the pyrolysis effluent. This can allow at least a portion of the pyrolysis effluent, such as a gas phase portion and / or a liquid phase portion of the pyrolysis effluent, to have a sufficiently low contaminant content to be used as part of a feed to a conventional petrochemical process.

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 method for valorizing refuse material comprises a selective pyrolysis, based on: a first step of pyrolysis of the biogenic fraction, with at least one subsequent condensation step, and a second step of pyrolysis of the synthetic fraction with at least one subsequent condensation step; wherein the first and second pyrolysis steps are configured in series; wherein the first pyrolysis step is configured to extract at least a fraction of biogenic combustible gas which continues to the first condensation step, and a fraction of solid material that is transported to the second step of pyrolysis of the synthetic fraction, which is carried out at a higher temperature than the first pyrolysis step, and which is configured to obtain a fraction of synthetic combustible gas which continues to the second condensation step, and a fraction of solid material.

The invention relates to an internally heated vertical furnace raw gas source upgrading system and method. The system comprises a dry distillation furnace, a carbon dioxide removal device and a pure oxygen preparation device, the device further comprises a first multi-stage mixer, a second multi-stage mixer, a gas sampling analysis tube and a gas component detector. Pure oxygen is adopted as a combustion improver, so that the content of nitrogen in the raw gas is greatly reduced, and the application scene of coal gasification production and deep processing of the internal heating type vertical furnace is expanded; the components of combustion-supporting gas, combustible gas and inert gas in mixed gas in a lattice wall of the dry distillation furnace are controlled by adopting double-circulation control of carbon dioxide and recirculated gas, the combustion intensity and the uniformity degree are strictly controlled under the condition that dry distillation heat supply is met, and scabbing and burning loss of a dry distillation furnace body are avoided.

Processes, reactors, and systems for converting waste plastic feedstock into liquid and gaseous products suitable for use in either fluid catalytic cracking or steam cracking to produce ethylene and propylene are described.

The invention provides an organic solid waste drying and metal extracting integrated device and a using method thereof, and belongs to the field of environmental science and engineering. A series of problems of low utilization rate of organic solid waste heat energy, more pollutants generated in the extraction process of metal-containing wastes, high metal oxidation loss rate and the like in the prior art are solved. The integrated device comprises a pyrolysis chamber, a high-temperature cracking chamber, a material drying chamber, a steam boiler, a cyclone dust removal chamber, a spraying chamber, an electrostatic dust removal chamber, a water bath purification chamber, a biomass gas treatment chamber and a metal carbonization chamber, the pyrolysis chamber is connected with the high-temperature cracking chamber through an air passing opening, and a first biomass air inlet is formed in the pyrolysis chamber; a second biomass air inlet is formed in the high-temperature cracking chamber, the high-temperature cracking chamber is connected with the material drying chamber through a lower hot air pipe and an upper hot air pipe, an air drying cylinder is arranged in the material drying chamber, the upper hot air pipe is communicated with the interior of the air drying cylinder, and the lower hot air pipe is communicated with the outer space of the air drying cylinder. The device is mainly used for drying organic solid waste and extracting metal in waste.

The utility model relates to a raw gas source upgrading system for an internal heating type vertical furnace. The raw gas source upgrading system comprises a dry distillation furnace, a carbon dioxide removal device and a pure oxygen preparation device, the device further comprises a first multi-stage mixer, a second multi-stage mixer, a gas sampling analysis tube and a gas component detector. Pure oxygen is adopted as a combustion improver, so that the content of nitrogen in the raw gas is greatly reduced, and the application scene of coal gasification production and deep processing of the internal heating type vertical furnace is expanded; the components of combustion-supporting gas, combustible gas and inert gas in mixed gas in a lattice wall of the dry distillation furnace are controlled by adopting double-circulation control of carbon dioxide and recirculated gas, the combustion intensity and the uniformity degree are strictly controlled under the condition that dry distillation heat supply is met, and scabbing and burning loss of a dry distillation furnace body are avoided.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

The invention relates to the technical field of coal gangue pyrolysis separation, and discloses a coal gangue pyrolysis carbon ash separation reactor which comprises a base and further comprises a processing mechanism which comprises a driving disc fixedly connected to the top end of the base, a driving assembly arranged above the base and a feeding cylinder arranged on the driving assembly, the conveying assembly and the separating mechanism are arranged above the base, the separating mechanism comprises a fixing plate fixedly connected to the top end of the base and a separating assembly arranged on the outer side of the fixing plate, and the processing barrel is driven by a driving disc to obliquely rotate, so that coal gangue repeatedly slides up and down in the barrel and collides with multiple layers of filter plates; according to the device, hot air flow is promoted to be in full contact with materials while particles are crushed, the problem of uneven local temperature of traditional static pyrolysis is avoided, meanwhile, a linear array structure is formed by the filter plates and the connecting rods, the material disturbance frequency is increased, 360-degree rotary heating is achieved in cooperation with hot air flow introduced through an air valve, the pyrolysis efficiency and uniformity are remarkably improved, and carbon residues are reduced.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

A fully modularized, bottom-feed type pyrolysis reactor includes a reactor vessel, a feeding unit, an integrated grate, and an ash / char discharge unit. The reactor vessel includes detachable upper and lower vessels. The integrated grate is rotatable and integrated to an air inlet unit, feeding unit, and discharge unit. A water-cooled cooling and stirring pipe is mounted on a top face of the integrated grate, and an ash / char discharge unit is located at the bottom of the integrated grate. Ash / char is discharged through discharge gate unit, addressing the problems of inconvenient transportation, installation of the pyrolysis reactor, and imprecise temperature control. Manufactured in a modular fashion, the electrical and monitoring systems are pre-assembled and comprehensively tested before transportation to the site, reducing installation time by 90% while ensuring installation quality and allowing for various orientation configurations to meet customers' on-site requirements without altering the overall design of the reactor.

The present invention is directed to a dry tomb biolandfill for biological carbon sequestration, and more particularly compositions of a biolandfill containing a salt biomass composite.

The invention provides an integrated device integrating organic solid waste treatment, metal recovery and carbon material preparation and a use method of the integrated device, and belongs to the field of environmental science and engineering. The problems that the utilization rate of organic solid waste heat energy is low, the recovery rate of metal-containing waste materials is low, and the carbon yield and quality of carbon materials prepared from agriculture and forestry biomass waste are low are solved. The integrated device comprises a feeding system, a solid waste heat treatment system, a steam utilization system, a tail gas purification and recovery system, a biomass carbonization system and a metal pyrolysis and recovery system, the solid waste heat treatment system comprises a pyrolysis gasification chamber and a high-temperature cracking chamber, and the high-temperature cracking chamber is divided into a left chamber and a right chamber; the steam utilization system comprises a high-pressure steam chamber, a low-pressure steam chamber and a hot water chamber, and the tail gas purification and recovery system comprises a cyclone dust collector, a spraying denitrification and denitration chamber, a water bath purification chamber, an electrostatic dust collector and a gas collector. The method is mainly used for organic solid waste treatment, metal recovery and carbon material preparation.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

A process for processing carbonaceous material includes delivering a carbonaceous material to a reactor; delivering a catalyst to the reactor; processing the carbonaceous material at a relatively low temperature within the reactor to decompose the carbonaceous material to base compounds.

The invention discloses a waste plastic resource recycling treatment method which comprises the following steps: (1) crushing waste plastic into small particles, placing the small particles in a conductive material filling container, and enabling the waste plastic particles to be fully and uniformly contacted with the surface of the conductive material filling container; and (2) connecting the two ends of the conductive material filling container with a power supply electrode, and applying pulse current to the conductive material filling container in the reaction cavity under the protection of inert atmosphere, so that the waste plastics are heated and thermally cracked, and a combustible gas product is obtained. According to the resource recycling treatment method for the waste plastics, rapid cracking of the waste plastics can be achieved, and high-value combustible gas is obtained.

The invention relates to the technical field of biomass gasification hydrogen production, in particular to a biomass waste segmented pyrolysis catalytic gasification hydrogen production process system. The hydrogen production rate of the biomass gasification hydrogen production technology is low and is difficult to reach more than 700mL / g biomass. In order to solve the technical problems, the invention provides the process system for producing hydrogen through segmented pyrolysis and catalytic gasification of the biomass wastes, and the tar yield in the pyrolysis process is remarkably reduced through graded and stepwise thermochemical conversion by using cheap aluminum smelting waste residues, pyrolysis semicoke and a carbon molecular sieve as catalysts and pyrolysis residues to catalyze tar steam; the aluminum smelting waste residues are coupled with the molecular sieve to catalyze tar cracking, the effect of catalyzing tar cracking for hydrogen production through a cheap nickel-based catalyst is improved, and the hydrogen proportion reaches 70% or above through catalytic reforming of hydrocarbon gas through carbon molecular sieve loaded nickel; the purposes of energy regeneration and reduction of biomass waste and harmless and resource utilization of aluminum smelting waste residues and pyrolysis residues are achieved.

The invention relates to a method and an apparatus for producing hydrocarbons from plastic containing material, wherein the plastic containing material (1) is subjected into a pyrolysis reactor (2), steam (3) is fed into the pyrolysis reactor, and the plastic containing material is pyrolyzed with the steam by using a catalytic pyrolysis with a basic catalyst to convert the plastic containing material to a product (4) comprising hydrocarbons. Further, the invention relates to the use of the product obtained by the method.

A method for producing and transferring heat The method comprises producing heat in a first thermal device (910) and heating particulate material in the first thermal device (910) and conveying a part (MIH) of the particulate material, the part (MIH) having a first temperature (T1), from the first thermal device (910) to a mixing unit (100). The method comprises conveying a part (MIC) of particulate material, the part (MIC) having a second temperature (T2), from a second thermal device (920) to the mixing unit (100) and mixing the part (MIH) of the particulate material coming from the first thermal device (910) with the part (MIC) of the particulate material coming from the second thermal device (920) in the mixing unit (100) to form particulate material having a third temperature (T3). The method comprises conveying at least a part (MOH) of the particulate material having the third temperature (T3) from the mixing unit (100) to the second thermal device (920). A system for the same. A mixing unit suitable for the method.

Described herein is a method of carbonizing organic waste to produce a stable form of biocarbon for the purposes of carbon sequestration. In some embodiments, the method is a continuous method wherein organic waste is added at a top of a carbonization system and biocarbon is recovered from a bottom thereof.

A fluidized bed reactor for biomass treatment comprising a vessel extending in a first direction from a first end to a second end, an inlet at the first end of the vessel for feeding biomass particles into the vessel, an outlet at the second end of the vessel for outputting processed biomass, a first fluid inlet independently activatable to deliver a first volume of a gas in a second direction into a first region of the vessel, and a second fluid inlet spaced apart from the first fluid inlet in the first direction and independently activatable to deliver a second volume of the gas in the second direction into a second region of the vessel, the second region adjacent the first region.

The photovoltaic module low-oxygen pyrolysis equipment comprises a reaction box, a mesh belt conveyor with the two ends extending outwards is arranged in the reaction box, a sealed flame isolation chamber is arranged below the top of a mesh belt, a low-oxygen pyrolysis chamber is arranged above the flame isolation chamber in the reaction box, and a preheating section, a high-temperature section and a cooling section are sequentially formed. The front end of the high-temperature section and the rear end of the cooling section are jointly communicated with a combustion chamber through pipelines, the combustion chamber is communicated into the flame isolation chamber below the rear end of the high-temperature section through a pipeline, and the flame isolation chamber below the front end of the preheating section is communicated with a secondary combustion chamber through a pipeline. According to the low-oxygen pyrolysis mode, in the pyrolysis stage, no oxygen participates in combustion, combustion oxidation reaction does not occur, organic matter in the adhesive layer is decomposed into small molecules through high temperature, generated combustible gas such as synthesis gas is mainly generated, fluorine-containing gas is not generated, and the combustible gas can be fully combusted through a subsequent combustion chamber; and tail gas generated after sufficient combustion can be subjected to waste heat recovery, so that the energy consumption is reduced.

The utility model provides a VOCs waste gas treatment system for semi-coke production. The VOCs waste gas treatment system comprises a washing tower, a dust removal drying box and a semi-coke furnace which are sequentially communicated through pipelines, the upper section of the washing tower is communicated with a cooling water pipeline, the lower section of the washing tower is communicated with a first VOCs source through a first pipeline, and a fan is arranged on the pipeline between the dust removal drying box and the semi-coke furnace; a partition plate used for dividing the waste liquid box into a precipitation cavity and a circulating water cavity is arranged in the waste liquid box, and an overflow hole is formed in the partition plate; the precipitation cavity is respectively communicated with the bottom of the washing tower and the side wall of the lower section through a second pipeline and a third pipeline and is communicated with a second VOCs source through a fourth pipeline, the fourth pipeline is communicated with the circulating water cavity through a fifth pipeline, and a spraying pump is arranged on the fifth pipeline. According to the method, the washed VOCs waste gas is introduced into the semi-coke furnace to replace air for combustion-supporting incineration, so that secondary utilization of the VOCs waste gas is realized.

This application relates to a biochar reactor (100) for producing biochar (BC). The biochar reactor comprises a horizontal reactor chamber (102), a receiver (104) for receiving (472) biomass (BM) into the biochar reactor, a pyrolysis unit (108) for pyrolysis (480) the received biomass to produce biochar, a cooler (114) for cooling (488) the produced biochar, and a controller (346) for controlling the biochar reactor. The pyrolysis unit comprises at least one pyrolysis unit section (110), each pyrolysis unit section (110) configured to pyrolysis biomass by using a specific temperature range for that section. The biochar reactor is configured to flow hot gas (HG) through each pyrolysis unit section (110) to pyrolysis the biomass at a process temperature (T1, T2) within the section-specific temperature range of the pyrolysis unit section (110).