43results about "Electrical coke oven heating" patented technology

A method of processing waste consumable aerosol-generating articles by pyrolysis, the method comprising the steps of: feeding waste consumable aerosol-generating articles into a pyrolysis reactor, the aerosol-generating articles comprising at least some aerosol-generating articles comprising an aerosol-generating substrate with a metallic susceptor; heating the aerosol-generating articles in the pyrolysis reactor to a temperature sufficient to cause pyrolysis of non-metallic components of the aerosol-generating articles into gaseous products and char, wherein the temperature is less than a melting temperature of the metallic susceptors; extracting the gaseous products from the pyrolysis reactor and feeding the gaseous products to a condensing separator; and feeding the char from the pyrolysis reactor to a magnetic separator and separating the metallic susceptors from the char by applying a magnetic field; wherein at least some of the heat in the pyrolysis reactor is generated by applying an alternating electromagnetic field to the aerosol-generating articles so as to induce eddy currents in the metallic susceptors.

The invention relates to the technical field of coke oven operation control, in particular to an expansion pressure detection method applied to an electric heating coke oven, which comprises the following steps: dividing coking stages based on coal state change in a historical coking period of the electric heating coke oven, and setting a reference acquisition frequency for each coking stage; for each coking stage, real-time data acquisition is carried out based on the reference acquisition frequency, and expansion pressure detection data is obtained; performing pressure anomaly calculation on the expansion pressure detection data to obtain an expansion pressure change rate and an expansion pressure distribution characteristic; correcting the reference acquisition frequency according to the reference acquisition frequency to obtain a dynamic acquisition frequency corresponding to the coking stage; and generating expansion pressure detection alarm information in response to the condition that at least one of the expansion pressure detection data, the change rate, the distribution characteristic and the dynamic acquisition frequency exceeds a corresponding preset warning threshold value. Acquisition frequency can be dynamically adjusted along with coal expansion characteristics, timeliness of pressure peak capture is guaranteed, and redundant data in a stable stage is reduced.

The present application relates to coke oven operation control technical field, especially to a kind of applied to electric heating coke oven expansion pressure detection method, comprising: based on the coal material state change in the historical coking cycle of electric heating coke oven division coking stage, and set reference collection frequency for each coking stage;For each coking stage, based on reference collection frequency, real-time data acquisition is carried out, and expansion pressure detection data are obtained;Expansion pressure detection data are calculated for pressure anomaly, and expansion pressure change rate and expansion pressure distribution characteristics are obtained;And according to this, reference collection frequency is revised, and the dynamic collection frequency corresponding to the coking stage is obtained;In response to at least one of expansion pressure detection data, change rate, distribution characteristics and dynamic collection frequency exceeds corresponding preset warning threshold, expansion pressure detection alarm information is generated.It can make collection frequency dynamic adjustment with coal material expansion characteristics, ensure the timeliness of pressure peak capture, reduce redundant data in stable stage.

Disclosed herein are methods for pyrolysis of plastic feedstock comprising post-consumer and / or post-industrial plastics. In various implementations, the methods include directing the plastic feedstock into an internal volume of a reactor vessel, and pyrolyzing the plastic feedstock in the internal volume of the reactor vessel.

The invention concerns a method for converting into hydrocarbon(s) a solid or liquid substrate (11) selected among substrates formed of plastics material and heavy oils, by a conversion reaction of hydrogenolysis and / or pyrolysis, occurring in a given temperature range. This method comprises contacting, in a reactor (10), the substrate (11) and a microscale heating element (12) formed of a ferromagnetic metal compound, under an oxygen-free atmosphere (23), and heating this heating element (12), at a temperature within said temperature range, by electromagnetic induction by means of a magnetic field inductor (18) external to the reactor (10).

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 system for pyrolysis of plastic includes a fluidized bed pyrolysis unit including a first microwave generator and a pyrolysis vessel, the pyrolysis vessel including a first inlet configured to receive a plastic feedstock, and a second inlet configured to receive one or more fluids, wherein a first microwave absorbent material is positionable within the pyrolysis vessel; and a first fluidized bed catalytic reactor unit positioned downstream of the pyrolysis vessel and including a second microwave generator and a first catalytic reactor vessel, wherein a second microwave absorbent material and a first catalytic material are positionable within the first catalytic reactor vessel.

The invention provides three-cavity synergistic microwave pyrolysis equipment based on waste heat recovery and a working method of the three-cavity synergistic microwave pyrolysis equipment, and belongs to the technical field of microwave heating. A drying cavity, a pyrolysis cavity and a cooling cavity which are longitudinally and vertically distributed are adopted in the equipment and communicate with one another through oppositely-opened closing plates driven by air cylinders, and a vertical flow type channel driven by gravity is formed; and the PLC and the touch display module realize dynamic balance of the material flow and the energy flow according to temperature data fed back by the thermocouples in the cavities. The equipment is integrated with a waste heat recovery module, biogas generated by pyrolysis is introduced into a drying cavity heat exchange pipe bundle through a circulating gas path pipe group for indirect heat exchange, then flows back to a circulating water cooling box again for further cooling, and finally enters a gas washing, drying and filtering barrel for gas washing, dehydration and multi-stage filtering, and it is ensured that pyrolysis gas reaches the standard and is discharged. Through three-cavity cooperation and efficient waste heat recovery, the material treatment efficiency and the energy utilization efficiency are improved, and the overall energy consumption of the system is reduced.

To provide a method for producing charcoal which can be suitably used for carbonization treatment of wood pellets.SOLUTION: A coal making method includes at least an accommodating step of accommodating, in a coal making container, a heating element that generates heat at 900 °C or higher by being irradiated with microwaves, a material to be carbonized, and a heat storage layer that encloses the material to be carbonized, a sealing step of sealing the coal making container, and a microwave irradiation step of raising the temperature of the material to be carbonized to a target carbonization temperature by irradiating the heating element with microwaves.SELECTED DRAWING: Figure 2

In order to improve a device for heating a substance or substance mixture, 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.

The invention discloses a high-conversion-rate gasification method based on a biomass and plastic mixed raw material, which adopts a flash evaporation Joule heat technology, does not need to depend on external source heating, can quickly heat the mixed raw material to a high-efficiency gasification interval of 1500-2000 DEG C, solves the defects of high energy consumption ratio, limited temperature interval and long reaction period in traditional pyrolysis, and remarkably improves the gasification rate of the mixed raw material. Meanwhile, a gas-oil-carbon gradient utilization system is constructed, and all-component high-value conversion is achieved: pyrolysis gas generated by gasification is pretreated and then subjected to biological methanation, the pyrolysis gas is efficiently converted into biogas with the purity larger than 95%, and the problems that the pyrolysis gas is low in heat value and poor in stability due to direct utilization are solved; the pyrolysis residual solid carbon residue is activated to prepare a pollutant adsorbent; pyrolysis oil burns to release heat, energy is supplied to the raw material drying and biological methanation process, in order to further optimize the system energy utilization rate, the Joule heat system adopts solar energy to supply power, condensate water generated in the raw material drying process is reused for the gasification link, and the product quality is effectively improved.

A reactor for converting polymer containing materials, such as rubber, including tire rubber, or pyrolyzed rubber, including pyrolyzed tires, or plastic, including pyrolyzed plastic, into output products includes a feed section, a central heating-zone section having a first processing zone configured to heat the material to a first temperature and a second processing zone configured to maintain the material at the first temperature, a discharge section, means for withdrawal of vaporized short-chain hydrocarbon compounds being formed, at least one water steam injector configured to introduce water steam into the interior of the second processing zone and positioned at the bottom of the second processing zone, or at least one CO2 gas injector configured to introduce CO2 gas into the interior of the second processing zone and positioned at the bottom of the second processing zone, or both, and heating means for heating the material. The reactor can include at least one more reactor thereby forming a modular system having a battery of side-by-side positioned reactors.

The invention relates to the technical field of efficient and clean conversion and utilization of coal, and discloses a coal fixed bed pyrolysis device, which comprises: a gas distribution assembly, which comprises a main body pipeline and at least three groups of gas inlet branch pipelines communicated with the main body pipeline, and is used for introducing at least one of nitrogen, hydrogen and carbon dioxide gas; a first ball valve, a first pressure gauge, a first gas filter, a mass flow meter and second ball valves located on the two sides of the mass flow meter are sequentially arranged on each gas inlet branch pipeline in the gas inlet direction, the high-precision mass flow meter and an auxiliary structure are adopted for the coal fixed bed pyrolysis device, multiple paths of gas are precisely matched, and the problem that data of a traditional device is not reliable is solved; and three-section temperature control is linked with a thermocouple, so that the temperature is uniform and stable. A two-stage condensation separation system is innovated, a pipeline heating belt is matched, products are efficiently separated, blockage is prevented, programmed control and safety protection are achieved through a control system, operation is convenient and fast, and stability is high.

A method for catalyst-assisted microwave pyrolysis of waste plastics includes: crushing a piece of waste plastic into multiple plastic fragments; mixing the multiple plastic fragments uniformly with a catalyst substance and placing the mixed plastic fragments and catalyst substance into a microwave heating chamber; performing a microwave heating process to heat the multiple plastic fragments under an oxygen-free condition within the microwave heating chamber to form solid carbon materials and gaseous volatile substances; and transferring the solid carbon materials from the microwave heating chamber into a cooling container and directing the gaseous volatile substances from at least one gas outlet of the microwave heating chamber into a condensation pipeline to form a fuel oil in a collection container.

Method and systems for the synthesis of hydrogen gas by flash Joule heating, such as synthesizing hydrogen gas from waste plastic materials, other solid materials, or liquid materials by flash Joule heating.

A method and compositions of matter for treating or preventing an auto-immune disorder or immune response in a patient, that includes providing a therapeutic dose to the patient of a substituted indole compound having at least one substitution, wherein the substituted indole compound has only one thiol group, and wherein the ring the thiol group is attached to only contains one N or O atom.

The invention relates to apparatus and a method for performing pyrolysis of a material by electromagnetic travelling wave transmission such as a microwave transmission to process material, such as plastics material or biomass material and allow components of the material to be separated collected and provided for subsequent uses, thereby providing and environmentally friendly processing of waste material. The material may be pre-processed by drying and / or forming prior to placing the same into a chamber with a susceptor material to and into which the electromagnetic waves are introduced to create an interface between the susceptor material and material to be processed and at which pyrolysis occurs, with the interface progressing through the said material and processing the same.

A method to transform spent coffee grounds (SCG) waste into bio-oil using microwave-assisted pyrolysis approach includes mixing of SCG, silicon carbide granules, and a catalyst to create a homogeneous mixture. The mass ratio of coffee grounds to catalyst ranges from 10:1 to 20:1. The method further includes microwave irradiation of formed mixture to facilitate the formation of the desired product, wherein the product comprises a first vapor, a second vapor, and a char, and condensing the first vapor to form the biofuel.

The invention relates to a system for pyrolyzing pyrolyzable material (PM) to produce pyrolytic vapours (PV). The system comprises a pyrolysis reactor (100) for pyrolyzing pyrolyzable material (PM), a first particle separator (200) for separating the pyrolytic vapours (PV) and a first solid material fraction (SF1) from a pyrolysis product feed, and a particulate material heater (300) for heating the first solid material fraction. The particulate material heater (300) comprises second distributors (320) for feeding second fluidizing gas (Gas2) into the particulate material heater (300) to fluidize particulate material within the particulate material heater (300) and an electric heater (310) configured to electrically heat particulate material arranged in the particulate material heater (300). The invention relates also to a method for pyrolyzing pyrolyzable material (PM) to produce pyrolytic vapours (PV). The method comprises at a first period, heating the particulate material arranged in the particulate material heater (300) using an electrical heater (310), guiding heated particulate material from the particulate material heater (300) into the pyrolysis reactor (100).

According to the present invention, a waste plastic treatment device is provided, comprising: a waste plastic pyrolysis device that uses microwaves as an energy source to pyrolyze waste plastics to generate pyrolysis gas; a pipeline structure that provides a pipeline channel for the pyrolysis gas to be discharged from and flow through the waste plastic pyrolysis device; a gas condensation mechanism that condenses the pyrolysis gas to generate pyrolysis oil; and a pyrolysis oil storage section that stores the pyrolysis oil. The waste plastic pyrolysis device includes a pyrolysis furnace with an internal space for accommodating the waste plastic to be pyrolyzed, a microwave feeder that generates microwaves and supplies them to the space, and a heating element that absorbs microwaves to generate heat. The heating element is plate-shaped and horizontally arranged in the space, positioned so that the waste plastic to be pyrolyzed is in direct contact with the heating element. In the space, microwaves are radiated downwards through radiation ports arranged opposite to the heating element to penetrate the waste plastic to be pyrolyzed and are absorbed by the heating element.

A method and system for synthesizing hydrogen gas by flash Joule heating, for example, by flash Joule heating from waste plastic materials, other solid materials, or liquid materials.

A system for microwave-assisted catalytic conversion of plastics into carbonaceous materials and gases includes a materials sorter to sort and remove metals from a batch of plastics; a metal detector to detect metals in the batch of plastics; a mixer configured to receive the batch of plastics and a corresponding batch of micro or nano-scale metal oxides, and further configured to produce a mixture of the plastics and the metal oxides to achieve an essentially uniform distribution of the metal oxides in the plastics; and a rotary microwave oven in communication with a microwave generator and configured to receive microwaves to heat contents of the rotary microwave oven. The rotary microwave oven receives the mixture; and a processor executing a program of instructions controls operation of the rotary microwave oven to convert the plastics to produce one or more carbonaceous materials and one or more gases.

The present invention relates to the technical field of energy storage with solid-waste treatment. Provided is a peak shaving system coupling surplus energy consumption and solid-waste treatment. The system comprises: a solar concentration tower, wherein a heat absorber can supply heat to a gasifier, and the gasifier can pyrolyze solid waste into primary fuel gas, pyrolytic fuel oil and pyrolysis char; a gas storage tank is in communication with the gasifier and is configured to collect the primary fuel gas; a tar storage mechanism is in communication with the gasifier and is configured to store the pyrolytic fuel oil and the pyrolysis char; and a microwave pyrolysis apparatus is powered by a thermal power generation unit, and the microwave pyrolysis apparatus can pyrolyze the pyrolytic fuel oil and the pyrolysis char to form secondary fuel gas and collect the secondary fuel gas into the gas storage tank. By coupling solid waste treatment with the thermal power generation unit, during an off-peak period of electricity consumption, surplus electric energy of the thermal power generation unit is used for solid-waste treatment, allowing the thermal power generation unit to maintain operation at a sufficiently high load, and during a peak period of electricity consumption, the fuel gas generated from solid-waste treatment is used for power generation to reduce the load of the thermal power generation unit, thereby realizing a valley-filling and peak-shaving function.

Processes and facilities for providing recycled content hydrocarbon products (r-products) from the pyrolysis of waste plastic and cracking of the resulting recycled content streams are provided. Processing schemes are described herein that increase energy efficiency and help reduce overall environmental impact while producing valuable final products from chemically recycled waste plastic.

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.

A method of pyrolysis of Kraft lignin is disclosed, including the steps of providing a microwave generator system, providing a Kraft lignin feedstock in the system, providing a biochar in the system as a microwave receptor, providing nitrogen atmosphere in the system, and heating the feedstock and receptor using microwave energy to make a biooil. A biooil made using the above method is also disclosed as is a biooil having a high phenolic content, in the range of 86.6% to 97.9%.

Regarding a batch-type composite temperature treatment apparatus using a high-temperature plasma and an exhaust gas treatment method thereof, specifically, in a batch-type treatment apparatus for organic substances, it relates to a batch-type composite temperature treatment apparatus using a high-temperature plasma and an exhaust gas treatment method thereof that are convenient and economical for maintenance. To achieve the above object, the present invention includes a reaction part provided to accommodate an organic substance to be carbonized therein, a rotating part provided to stir the inside of the reaction part, and a torch part provided to generate plasma to carbonize the organic substance inside the reaction part. The torch part is coupled to the reaction part and is provided to be coupled to the opposite side of the position where the organic substance accumulates and is stirred inside the reaction part.

An apparatus comprises a vessel having an interior chamber formed by a vessel wall. The vessel wall comprises a double-walled structure having an inner wall and an outer wall. A moveable lid is configured to form an airtight seal with the interior chamber in a closed position. A basket is positioned within the chamber. One or more vibration devices, such as transducers, are attached to the basket, and are configured to shake the mesh basket to cause decomposed material to fall through the mesh basket to a reactor vessel floor. A heating coil is positioned within the chamber and surrounding the basket. The heating coil is configured to heat the basket using induction heating. An airtight space is formed between the inner wall and the outer wall and is filled with a gas. The temperature within the chamber may be lowered by cooling the gas.

Disclosed herein are methods for pyrolysis of plastic feedstock comprising post-consumer and / or post-industrial plastics. In various implementations, the methods include directing the plastic feedstock into an internal volume of a reactor vessel, and pyrolyzing the plastic feedstock in the internal volume of the reactor vessel.

The invention relates to a reactor (1) for producing coal and synthesis gas from biomass, having a working chamber (2) which is laterally delimited by a working chamber wall (3), an inlet (4) through which the biomass can be introduced into the working chamber (2), and an outlet (5) through which coal and synthesis gas can be discharged from the working chamber (2), wherein biomass can be moved on a transport path along a transport direction (7) through the working chamber (2) from the inlet (4) to the outlet (5). According to the invention, an electrically conductive element is provided in the working chamber (2) and / or in the working chamber wall (3), wherein the electrically conductive element can be heated electrically, preferably inductively, in particular by an induction coil (8), in order to convert biomass located in the working chamber (2) into synthesis gas and coal. The invention also relates to a method for producing coal and synthesis gas from biomass.