545results 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.

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 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.

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 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.

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).

Processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Pyrolysis in the presence of an inert gas is employed 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 system for processing solid waste including a segmented gasifier having a first segment detachably connected to a second segment, and a burner positioned downstream of the segmented gasifier and coupled to the segmented gasifier. A process for treating solid waste including introducing the solid waste into a first end of a segmented gasifier having a first segment detachably connected to a second segment. Gasifying the solid waste as it traverses from the first end of the gasifier to a second end of the segmented gasifier, and producing a gaseous output and a solid output at the second end of the segmented gasifier. Separating the gaseous output and the solid output, and introducing a portion of the gaseous output to a burner and recycling a portion of the gaseous output to the segmented gasifier as an energy source.

Under current practices, agricultural or landscaping waste left in a field or forestry waste left in a forest will decay and release greenhouse gases. In addition, forestry waste also poses a high risk for fires. Accordingly, mechanisms are provided to allow efficient conversion under anaerobic conditions of biomass, such as agricultural or forestry waste, into biocarbon product, such as biochar, biocoal, inert carbon and / or activated carbon, using molten salts as a more efficient heat transfer medium than conventional heat. Specifically, biomass is converted into biocarbon product during a supertorrefaction process during which molten salts are pumped under anaerobic conditions from a molten salt reservoir to a batch process cooker that holds the biomass. The salts are washed from the resulting biocarbon product as needed.

The invention relates to an apparatus for pyrolyzing fluid hydrocarbons to one or more hydrocarbon products, the apparatus comprising: - at least one recycle pump for forwarding fluid hydrocarbons; and - at least one recycle heat exchanger providing at least one tube for the fluid hydrocarbons to pass; wherein the at least one recycle pump and / or the recycle heat exchanger are configured to establish a flow velocity of at least 1 m / s of the fluid hydrocarbons inside the at least one tube.

A system for converting plastics includes a catalyst regenerator, a feeder containing a plastic feedstock, a first conical spouted bed reactor stage in fluid communication with the catalyst regenerator and in fluid communication with the feeder, and a second conical spouted bed reactor stage in fluid communication with the first conical spouted bed reactor stage.

The utility model discloses large-capacity plastic garbage pyrolysis equipment, and relates to the technical field of garbage recovery and treatment equipment. The plastic garbage pyrolysis equipment comprises a feeding bin, a pyrolysis pipe, a gas-solid separation bin, a slag bin, a condenser, an oil-water separator and a steam generator, the pyrolysis pipe is provided with a garbage input end, a steam input end and a pyrolysis material output end. According to the plastic garbage pyrolysis equipment disclosed by the utility model, garbage is directly blown through high-temperature steam, so that the heat transfer efficiency is greatly improved, the pyrolysis speed is greatly accelerated, high-speed large-capacity garbage treatment can be realized, and the problems of low treatment capacity and low heat efficiency of the existing garbage pyrolysis equipment are solved; and the pyrolysis pipe is adopted for pyrolysis, and the inner wall of the pyrolysis pipe is difficult to form wall adhesion and coking under strong blowing of steam and oil gas, so that the problem that the existing garbage pyrolysis equipment is easy to adhere to the wall is solved.

This system for pyrolysis of waste comprises: a pyrolysis device into which waste is fed and which pyrolyzes the fed waste to produce combustible gas; an emulsification device that is connected to the pyrolysis device, and cools condensable gas in the combustible gas produced by the pyrolysis device to produce pyrolysis oil and discharges non-condensable gas; and a combustion furnace which is connected to the emulsification device and which receives and combusts the non-condensable gas discharged from the emulsification device, wherein the pyrolysis device pyrolyzes by heating the waste with hot air provided from the combustion furnace.

The invention discloses movable biomass material continuous pyrolysis and carbonization mechanical equipment, and aims to solve the problems of insufficient mobility and continuous production of biomass pyrolysis equipment in the prior art. The equipment comprises a rack, a heating unit, a feeding unit and a discharging unit. The heating unit heats the tank body through electromagnetic induction to realize rapid and uniform heating; the feeding unit continuously feeds materials through an air closing machine, the discharging unit controls the discharging speed through the air closing machine, and the sealing performance and the continuity are ensured. The discharging unit is used for separating gas-phase, liquid-phase and solid-phase products generated by pyrolysis and cooling the solid-phase products, so that effective utilization of resources is realized. The equipment is further provided with safety devices such as a safety valve and a pressure gauge, and an automatic control system for monitoring and adjusting the temperature, the rotating speed and the feeding and discharging speed of the heating unit, so that production safety and high efficiency are guaranteed.

The present invention relates to an apparatus for thermally decomposing a fluid hydrocarbon into one or more hydrocarbon products, comprising: at least one recycle pump for transporting the fluid hydrocarbon; and at least one recycle heat exchanger providing at least one tube through which the fluid hydrocarbon passes; wherein at least one recycle pump and / or recycle heat exchanger is configured to establish a flow velocity of at least 1 m / s of the fluid hydrocarbon in at least one tube.

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.