540results 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.

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.

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.

The invention discloses a rotary kiln pyrolysis process preheating and replacing method which comprises the following steps: replacing and preheating an upgrading system when a rotary kiln is started, performing low-load operation on the rotary kiln, heating the rotary kiln by a rotary kiln hot blast stove and a flue gas fan, closing a pipeline valve from a dry gas fan to a first dust remover, and performing low-load operation on the rotary kiln; a rotary kiln nitrogen replacement valve is slightly opened, nitrogen enters the rotary kiln through a dry gas guide screw for replacement and heat removal, an oil and gas pipeline is preheated, direct cooling tower spraying cooling water and indirect cooling tower circulating cooling water are put into use, a coal gas fan is started for system circulation, and an electrical tar precipitator outlet is opened to a rotary kiln starting line valve; the invention further discloses a rotary kiln quality improvement system, the rotary kiln pyrolysis process preheating and replacement method is adopted, the start-up time is effectively shortened, the investment and operation cost is saved, and meanwhile a foundation is laid for long-period stable operation of the system.

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 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 utility model discloses an internal preheating carbonization furnace, and particularly relates to the technical field of carbonization furnaces, the internal preheating carbonization furnace comprises a furnace body, a ring pipe and a plurality of preheating pipes, the ring pipe is fixed on the outer wall of the furnace body, the plurality of preheating pipes are positioned on one side of the ring pipe and are fixedly communicated, and one end part of each preheating pipe is provided with a flow guide preheating mechanism; the flow guide preheating mechanism comprises a communicating ring pipe installed at one end of the preheating pipe, one side of the communicating ring pipe fixedly communicates with a backflow pipe, and the top end of the outer wall of the ring pipe fixedly communicates with a pressurizing pipe. According to the utility model, the diversion preheating mechanism is adopted, high-temperature waste gas is exhausted into the flue gas heat conduction cylinder through the exhaust pipe, the flue gas heat conduction cylinder enables the high-temperature waste gas to be in contact with the outer wall of the preheating tank, the circulating pump is started to enable the suction pipe to generate suction force, the suction pipe sucks hot liquid in the preheating tank into the pressurizing pipe, and the furnace body is preheated through the plurality of preheating pipes; high-temperature waste gas of the carbonization furnace can be fully utilized, efficient preheating of the furnace body is achieved, and the energy-saving performance is better.

A method and an apparatus for treating comminuted waste material the method comprising: •a) providing a heating chamber (28) and one or more combustion heating means (40a-f) for heating the contents of the heating chamber (28), the heating chamber (28) having an inlet (21) and an outlet (22), •b) feeding comminuted waste material through the inlet (21) and into the heating chamber (28); •c) heating the comminuted waste material in the heating chamber (28), using the combustion heating means (40a-f), to generate a combustible gas; and •d) supplying at least a portion of the generated combustible gas to the one or more combustion heating means (40a-f) for heating the heating chamber (28).

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 biomass carbonization, in particular to a biomass continuous carbonization kiln based on a double-layer rotary kiln structure and application of the biomass continuous carbonization kiln. A biomass continuous carbonization kiln comprises a rotary kiln body, a heating box body and a sealing system. According to the invention, preheating and carbonization are carried out in sections through the inner and outer layer guide plates, the carbonization time is prolonged by 30%, and the product yield is improved by 15%; oxygen permeation is controlled through triple sealing, the deflagration risk is reduced, and safety is good; heat energy closed-loop utilization: flue gas purification, tail gas backdraft and waste heat drying are integrated, comprehensive energy consumption is reduced by 25%, flue gas waste heat is fully recycled, heat energy is utilized in a stepped mode, energy consumption is low, and environment-friendly production is achieved; the explosion-proof device is linked with the cooling system, so that the problem of passive protection only depending on buffer filler in the prior art is effectively solved, and the safety controllability is high.

The invention relates to a pyrolysis system, such as a pyrolysis plant (100), for generating hydrocarbon compounds from a residual polymer product, such as a synthetic polymer, the system comprises5—a densifier (101) configured to receive and heat the residual polymer product, —a degas feeder configured to transfer the residual polymer product from the densifier, and wherein a pH regulating additive, such as Calcium Oxide (CaO), is added to the residual polymer product, —a degasser (102) configured to receive the residual polymer product from the 10 degas feeder, wherein the degasser comprises a degasser conveyor (112), such as a degasser screw conveyor, for moving the residual polymer product to a degasser exit (122a) and a heater for heating the residual polymer product to a temperature within a range from 240 to 280° C., and —a pyrolysis reactor (103) comprising an inlet (123a) configured to receive the 15 residual polymer product from the degasser, wherein the pyrolysis reactor (103) comprises at least one reactor conveyor (113) for moving solid parts of the residual polymer product towards a black carbon outlet (123b) and a heater for heating the residual polymer product to generate pyrolysis vapour, and wherein the pyrolysis reactor comprises a reactor vapour outlet (123c) for release of the 20 pyrolysis vapour comprising the hydrocarbon compounds.

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.

Aspects of the invention are associated with the discovery of approaches for the conversion of carbonaceous feeds, such as biomass and biomass-containing solids via thermal treatment. Particular examples of biomass-containing solids are municipal solid waste (MSW), as well as waste plastics and waste tires. In some cases, this conversion, such as by pyrolysis, will allow for straightforward integration with gasification (e.g., entrained-flow gasification) or partial oxidation. Advantageously, processes and associated apparatuses / equipment described herein are tailored to the physical and chemical properties of the feeds. In this regard, important advantages reside in auger reactors that include electric heating elements within one or more auger shafts. Such centralized heating may be used in combination with external heating, for example also utilizing electric heaters. With centralized heating, the surface area available for heat transfer into the feedstock may be increased dramatically (e.g., by a factor of 3 to 5).

The application provides a kind of waste plastics fast pyrolysis-catalytic device and test method, belong to waste plastics utilization field.The uneven heating in the pyrolysis process, the problem of slow pyrolysis rate of traditional waste plastics pyrolysis-catalytic reaction device is solved.A kind of waste plastics fast pyrolysis-catalytic reaction device, comprising: pyrolysis device, including pyrolysis container, heat carrier medium and heating device, the heat carrier medium is filled in pyrolysis container and is liquid at high temperature, the heating device is equipped on the wall of pyrolysis container;Catalytic cracking device, including reducing pipe, electromagnetic induction heating device and catalytic reaction core, the catalytic reaction core is arranged in the upper half of reducing pipe, the coil of electromagnetic induction heating device is arranged outside the catalytic reaction core.It is mainly used for pyrolysis plastics.

The invention provides a laminated chain type pyrolysis device with parallel flexible wires and a pyrolysis method. The laminated chain type pyrolysis device comprises a chain type transmission mechanism, a flexible reaction net, a scraper mechanism, a baffle and the like, the chain type transmission mechanism comprises a pair of flat annular outer flat plate chains, a pair of inner flat plate chains and driving and supporting components of the outer flat plate chains and the inner flat plate chains, the flexible reaction net is divided into an inner layer and an outer layer and comprises first flexible wires arranged on the outer wing rods and second flexible wires arranged on the inner wing rods on the inner layer; the scraping plate mechanisms comprise a first scraping plate mechanism used for stirring the first flexible wire and a second scraping plate mechanism used for stirring the second flexible wire, and the two scraping plate mechanisms each comprise a plurality of flexible scraping plates and are used for scraping raw materials which are not pyrolyzed completely. The large-size strip-shaped organic waste can be directly and efficiently pyrolyzed, so that the technical problems that raw materials are easy to soften, bond and block, coking and slagging are serious and the pretreatment cost is relatively high when an existing pyrolysis device is used for treating the strip-shaped organic waste are solved.

The invention relates to stacking rotary type carbonization equipment and a carbonization method, and the stacking rotary type carbonization equipment comprises a carbonization chamber, a combustion chamber and a fixed outer cylinder which is axially and obliquely arranged; the carbonization chamber is a stacking bed type carbonization furnace, and a baffle is fixedly arranged on the inner side wall of the carbonization chamber; the carbonization chamber is arranged in the fixed outer cylinder, is coaxial with the fixed outer cylinder and can rotate around a shaft; part of the fixed outer cylinder is located in the combustion chamber and fixedly connected with the combustion chamber, and the two ends of the fixed outer cylinder extend out of the combustion chamber. According to the stacking rotary type carbonization equipment and the carbonization method, centralized treatment of straws can be realized, the treatment capacity is large, the product uniformity is better, and the energy consumption is lower.

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.

The present invention provides a method for more efficiently decomposing and gasifying organic substances into smaller molecules, comprising the steps of: mixing a carbon monoxide-containing gas with water vapor in a number of molecules exceeding the number of carbon monoxide molecules to cause a shift reaction and obtaining a mixed gas containing hydrogen and carbon dioxide produced by the shift reaction and excess water vapor not consumed in the shift reaction; and introducing the organic substance and the mixed gas into a fluidized bed in which powder or granular material is flowing, and recovering low-molecular-weight products produced by the chemical reaction between the organic substance and the mixed gas, wherein superheated steam is further introduced into the fluidized bed.

The present invention relates to (1) a method for producing biochar having bio stimulating effects, (2) biochar that has been produced to having increased bio stimulating effects, (3) a method for capturing material extracted from biochar and (4) biochar extracts, comprising desired compounds extracted from biochar and suspended in an extract solution. The methods above all involve obtaining a particular biomass source and pyrolyzing the biomass source under specific conditions to increase the bio stimulating effects of the biochar. The method for capturing the material extracted from the biochar produced to have such stimulating effects includes contacting the biochar with a treating liquid, separating the biochar from the biochar extract, collecting the biochar extract from which the biochar has been separated and resuspending the biochar extract in an modified aqueous solution for further use and / or processing separate from, or prior to, disposal. The biochai" extract suspended in solution then includes desired compounds (a) at least 0.1 ppm of one or more of the following phenylpropanoid, phenylalanine, flavonoids, sterols, terpenes, terpenoids, tannins, coumarins, benzaldehydes and phenols; (b) at least 0.1 g / L of humics, fulvics or a combination of both humics and fulvics and / or (c) one or more of the following salicylic acid, jasmonic acid, abscisic acid, cytokinin, gibberellic acid and ethylene, by way of example.

The invention relates to an in-situ and ex-situ catalytic pyrolysis device with a movable heating area and a pyrolysis method. The in-situ and ex-situ catalytic pyrolysis device comprises a rack; the reaction tube is axially and horizontally arranged on the rack; the left end of the reaction tube is communicated with a nitrogen cylinder through a rotary joint, a flow meter and a pressure reducing valve; the first end of the three-way pipe is connected with the right end of the reaction pipe through a rotary joint, the second end of the three-way pipe is connected in series with the first condenser and the first gas storage bag through a first stop valve, and the third end of the three-way pipe is connected in series with the second condenser and the second gas storage bag through a second stop valve; the tubular heating furnace is horizontally arranged on the rack in a sliding manner along the axial direction of the reaction tube, and a first heating area and a second heating area which are different in temperature are arranged in the tubular heating furnace; according to the device, on the basis that the in-situ catalytic reaction and the ex-situ catalytic reaction are carried out in the same device, the influence of the heating rate on the rapid pyrolysis of the raw materials is avoided, the full contact between different raw materials in the co-pyrolysis process and the maximum production of target products are ensured, and a catalyst evaluation function is also considered.

A plastic pyrolytic conversion vessel comprises a conveying mechanism for moving a liquid, or a semi-molten, or a molten waste material, or a solid inert residue, or any combination thereof through the vessel. During pyrolyzation of the waste material, the same is heated and vaporized and undergoes in situ chemical reactions comprising cracking, recombination, reforming, recracking, and the like, and is subsequently removed from the vessel. A plurality of scraper blades serve to mix the liquid, or the semi-molten, or the molten waste material, or a solid inert residue, or any combination thereof and convey the waste material forward toward a vessel egress. In another embodiment, one or more sweeping devices serve to move forward the waste material that is located between adjacent rotating conveyor devices.

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.

The invention discloses an energy-saving heating device of a thermal cracking reaction furnace, and relates to the technical field of thermal cracking, in particular to an energy-saving heating device which is large in heating efficiency and reduces energy consumption due to large heating contact area, and is mainly characterized in that semicircular heat conduction pipes which are spirally arranged are fixedly connected to the outer diameter of the thermal cracking reaction furnace; the invention relates to an energy-saving heating device, which comprises a semicircular heat conduction pipe, a heat preservation layer is coated outside the heat conduction pipe, a heating layer is arranged outside the heat preservation layer, the heating layer is an electromagnetic heater, and complete heating with large area is formed by surface-to-surface heating contact between the semicircular heat conduction pipe and a thermal cracking reaction furnace, so that the energy-saving heating device with large heating benefit and reduced energy consumption is provided.

Provided are a method of operating a vertical carbonization furnace that is capable of detecting an operation abnormality of the vertical carbonization furnace caused by a loss of a gas permeability balance in the furnace, a method of producing ferro coke, and a control device of the vertical carbonization furnace. A method of operating a vertical carbonization furnace that produces ferro coke is a method in which the vertical carbonization furnace 10 includes a carbonization-furnace main body 12; one or more high-temperature tuyeres 13 that blow high-temperature gas into the carbonization-furnace main body; and two or more extraction tuyeres 16 that are provided at positions differing in a height direction from a position of the one or more high-temperature tuyeres 13, and that discharge gas in the carbonization-furnace main body, and in which the two or more extraction tuyeres 16 are provided at positions at a same height and differing from each other in a width direction, the method of operating the vertical carbonization furnace including an obtaining step of obtaining a flow rate of the gas that is discharged from each of the extraction tuyeres 16; and a determining step of determining that an operation abnormality has occurred when the flow rate obtained in the obtaining step falls outside a predetermined flow rate range.