332results about "Indirect heating destructive distillation" patented technology

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.

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 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.

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.

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.

The oil-liquefaction apparatus is provided with a thermal cracking furnace and a condenser, in which the thermal cracking furnace is provided with at least a pyrolysis cauldron 21, a heating furnace 22, a stirring device which stirs a material of interest in the pyrolysis cauldron 21, and a discharge section which discharges a thermal cracking gas generated in the pyrolysis cauldron 21 to the condenser. The pyrolysis cauldron 21 has a bottom part 21d which has a bottom surface 21c, an approximately cylindrical intermediate part 21a, and a lid part 25. A heating furnace 22 heats the bottom part 21d and at least the lower part of the intermediate part 21a. The stirring device has an shaft 27 and a blade part 26. The blade part 26 is slidably contacted with the bottom surface 21c and a ring-shaped surface 21b by rotating the shaft 27.

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.

Processes and systems are disclosed for converting animal manure into useful energy and materials. Some variations provide a process for converting animal manure into a purified thermal gas, comprising: drying a starting animal manure in a manure dryer; pelletizing the dried animal manure to generate manure pellets; thermally reacting the manure pellets in a thermal reactor to generate an intermediate thermal gas and a solid biochar; separating out the solid biochar; condensing the intermediate thermal gas to generate a cooled thermal gas; compressing the cooled thermal gas to generate a compressed thermal gas; catalytically reacting the compressed thermal gas in a water-gas shift reactor to generate a shifted thermal gas having an adjusted H2 / CO ratio; treating the shifted thermal gas using an acid-gas removal unit to generate a purified thermal gas; removing water and / or light gases from the purified thermal gas; and recovering or further processing the purified thermal gas.

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.

There is described a pyrolysis system for converting carboneous materials into biochar including a kiln, a retort, and a gas recovery system including a combustor supplying hot air to the kiln, a conduit fluidly connected between the retort and the combustor, the conduit conveying the pyrolysis gas and residues from a chamber of the retort to the combustor, and a filter cartridge fluidly connecting the chamber of the retort to the conduit for filtering the pyrolysis gas and the residues conveyed from the chamber of the retort to the combustor, the filter cartridge removably located inside the conduit and extending at least partially inside the chamber of the retort. Methods for operating the pyrolysis system are also described. The pyrolysis system and methods described herein produce biochar with improved resistance to self-heating.

In order to improve a device for heating a substance or mixture of substances, wherein the device has a heater with at least one heating element and at least one control device for controlling the at least one heating element, in such a way that the temperature can be set as precisely as possible even in high temperature ranges, it is proposed that the at least one control device has or consists of a frequency converter.

A process for converting plastic materials into pyrolytic oils, wherein: plastic materials are continuously fed into a preheating reactor to be mixed and preheated at a preheating temperature to obtain a pasty mixture; the pasty mixture is continuously transferred into a pyrolysis reactor to be heated at a pyrolysis temperature, under an anaerobic or inert atmosphere, to be converted into synthesis gases and a solid reaction product; the synthesis gases, containing condensable gases and uncondensable gases, are recovered on a first outlet located above the permeable bed, and the solid reaction product is recovered on a second outlet located below the permeable bed; the condensable gases of the synthesis gases are condensed into pyrolytic oils which are recovered.

A plant (1) is described for the treatment of waste containing a carbonaceous matrix comprising at least: a treatment station (3) which is configured to receive as input a carbonaceous matrix to be processed and to thermochemically decompose said carbonaceous matrix into a plurality of products in the gaseous, liquid and / or solid state; and a feeding station (5), which is arranged upstream of the treatment station (3) and is adapted to conveying the carbonaceous matrix to be processed to the treatment station (3); the plant (1) enables large quantities of synthesis gas with high calorific value or large quantities of pyrolysis oil or biofuels to be obtained from waste materials or waste containing a carbonaceous matrix, depending on the calibration of the plant (1 ) itself.

Embodiments of the present invention provide a device for torrefaction of a raw material, such as a biomass. The device includes a rotating cylinder with a number of baffles and stiffener to rotate and stir the raw material, performing torrefaction in partially oxidative atmosphere. The torrefaction process takes part inside the long multiple reactors of a rotary drum, that the timing of the material to be fed is not particularly dependent on the timing or instances of outputting of torrefied material, because some of the reactors maytorrefy the material (e.g., 6 out of 8), while some of the last reactors may cool down the torrefied material (e.g., 2 out of 8), ensuring continuous process.

Disclosed herein is a method for co-pyrolysis of a polyolefin and a rubber containing material comprising: operating at least a pyrolysis stage of a pyrolysis reactor at an operating temperature at or above the temperature at which pyrolysis of both the polyolefin and the rubber containing material commences and up to about 600° C. under a substantially inert atmosphere; feeding a mixture comprising the polyolefin and the rubber containing material into the pyrolysis reactor; co-pyrolysing the mixture in the pyrolysis reactor to produce a pyrolysis gas comprising volatile pyrolysis products of the polyolefin and the rubber, wherein the volatile pyrolysis product of the olefin comprises at least a short chain olefin and the volatile product of the rubber comprises at least a diene; and facilitating a gas phase reaction between the short chain olefin and the diene to produce a volatile gas comprising single-ring aromatic hydrocarbons.

The invention relates to a method and a device for providing pyrolysis oil and pyrolysis gas.

The invention discloses a simulation device for oil-rich coal in-situ negative pressure pyrolysis and oil gas collection, and aims to solve the problem that multi-condition synergistic effect is not considered in oil-rich coal pyrolysis in an existing laboratory. The system comprises a pyrolysis system, an environment and pressure supply system, a condensed oil gas extraction system, a gas extraction system and a tar quality analysis system, the pyrolysis system comprises a pyrolysis cabin, a heating system is arranged in the pyrolysis cabin, the environment and pressure supply system comprises an atmosphere environment supply system and an in-situ pressure supply system, the condensed oil gas extraction system comprises an oil gas collection assembly, the gas extraction system comprises a gas analyzer and a negative pressure extraction assembly, and the tar quality analysis system comprises a rotary evaporator. The heating system, the atmosphere environment supply system, the in-situ pressure supply system, the oil gas collection assembly, the gas analyzer and the rotary evaporator are all connected with the control terminal. The simulation of the pyrolysis process of the oil-rich coal under the multi-condition synergistic effect is realized by constructing multi-condition coupling oil-rich coal pyrolysis characteristic monitoring.

Waste tire disposal plant (1) comprising a treatment chamber (2) adapted to receive tires for disposal and having an outer wall (21), a condensing device (3) in fluid communication with the treatment chamber (2) for at least partially condensing the vapours from the chamber (2), heating means (9) located inside the chamber (2), a drum (8) located within the chamber (2) and having a compartment (82) for holding the tires for disposal, the compartment (82) having an inner surface (83), the drum (8) being rotatable about a rotation axis (R) for moving the tires, drive means (5) associated with the drum (8) to rotate it about the rotation axis (R).

System for producing high-quality synthesis gas from household waste and carbon dioxide, characterized in that it comprises: a feeder (1), a dryer (2), a low-temperature pyrolysis reactor (3), a medium-temperature pyrolysis reactor (4) and a high-temperature pyrolysis reactor (5) connected in series; wherein the pyrolysis gas outlets of the low-temperature pyrolysis reactor (3) and the medium-temperature pyrolysis reactor (4) are successively connected to a dechlorination device (9) and a combustion chamber (8); wherein the flue gas outlet of the combustion chamber (8) is successively connected to the flue gas lines of the high-temperature pyrolysis reactor (5), the medium-temperature pyrolysis reactor (4) and the low-temperature pyrolysis reactor (3) as well as to the flue gas cleaner (10); The synthesis gas outlet of the high-temperature pyrolysis reactor (5) is successively connected to a heat exchanger (7) and a dryer (2).

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.