87results about "Electrical coke oven heating" 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.

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.

A method of converting a polymer including contacting a catalyst with a low-density polyethylene polymer to form a mixture and heating the mixture to a temperature of 200 degrees Celsius (° C.) to 600° C. in a microwave reactor to form a product. The catalyst includes an HZSM-5 zeolite, and 1 weight percent (wt. %) to 10 wt. % gallium and 0.1% to 5 wt. % copper, based on the total weight of the catalyst.

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).

A thermochemical energy conversion unit includes a heat expansion assembly including a reactor configured to receive a biomass and convert the biomass into a burnable gas having undesirable materials therein and a biochar. The heat expansion assembly also includes a heat expansion discharge pipe configured to discharge the burnable gas from the heat expansion assembly. The thermochemical energy conversion unit also includes a gas scrubber assembly operatively connected to the heat expansion assembly and configured to receive the burnable gas therefrom and to remove the undesirable materials from the burnable gas. The gas scrubber assembly includes a scrubber discharge pipe configured to discharge the burnable gas from the gas scrubber assembly. The heat expansion assembly and the gas scrubber assembly are configured to be continuously fluidly connected from the heat expansion discharge pipe to the scrubber discharge pipe for generating a continuous flow of the burnable gas therealong.

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.

The utility model discloses a composite heating dry distillation furnace. The composite heating dry distillation furnace comprises a furnace body used for dry distillation, electric heating equipment used for absorbing green electricity and heating gas to generate high-temperature gas, a combustor used for generating the high-temperature gas and a fan used for pressurizing the gas and then feeding the gas into the electric heating equipment, and the fan is connected with the electric heating equipment. The electric heating equipment is connected with the furnace body or the combustor through a pipeline, and the combustor is connected with the furnace body; high-temperature gas required by the furnace body is supplied by heating gas of electric heating equipment, or high-temperature gas generated by the combustor is supplied to the furnace body. The composite heating gas retort disclosed by the utility model can consume green electricity and reduce gas consumption.

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.

A plasma or ionic reactor or gasifier implements an ultra-high temperature ionic gasification process that can be used in an environmentally friendly manner to dispose of dried biosolids from, for example, wastewater treatment plants as well other waste feed stocks such as municipal solid waste (MSW) to produce, for example, renewable syngas that can be used to provide heat, power, renewable fuels, renewable hydrogen, and / or renewable chemical production. The systems described herein do so by generating electrical arcs across the interior of the gasifier reaction chamber creating a localized, controlled temperature in excess of 3000 C along with ionic gas or particles (plasma). This ultra-high temperature gasification zone and active ionic environment combine to very effectively and efficiently break down molecules into their constituent atoms, in a process called complete molecular dissociation. This ultra-high temperature ionic zone will also rapidly decompose impurities in the feed stock such as microplastics, PFAS (Per- and Polyfluorinated Substances), and other fluorocarbon materials.

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 utility model discloses a dry distillation furnace capable of absorbing green electricity. The dry distillation furnace capable of absorbing the green electricity comprises a furnace body used for dry distillation, first electric heating equipment used for absorbing the green electricity and heating air, a combustor used for combusting coal gas to generate high-temperature gas and a fan used for pressurizing the air and then feeding the air into the first electric heating equipment, and the fan is connected with the first electric heating equipment through a pipeline. The first electric heating equipment is connected with the combustor through a pipeline, the combustor is connected with the furnace body, and the combustor is connected with a gas channel; when the first electric heating equipment works, the first electric heating equipment heats air to generate high-temperature gas, or after the first electric heating equipment heats the air, the air and coal gas are fed into the combustor to be combusted to generate high-temperature gas; when the first electric heating equipment does not work, air is fed into the burner through the first electric heating equipment, coal gas is directly fed into the burner, and the burner burns to generate high-temperature gas. The dry distillation furnace capable of absorbing the green electricity can absorb the green electricity and reduce gas consumption.

A process for recycling contaminated solid material is provided. The process comprises heating the material yielding a solid phase, an oil phase, and a gas phase. Prior to being heated, the material is subjected to a pre-treatment involving a dehalogenation agent (DHA). The gas phase obtained is further subjected to a purification treatment. The DHA agent used is regenerated using a regeneration agent (RGA) and further re-used in the process.

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.

The application discloses a control method and device of an electric heating pyrolysis furnace, a medium and the electric heating pyrolysis furnace. The electric heating pyrolysis furnace is provided with a heat storage module on the side wall of the furnace chamber. The heat storage module is made of a ceramic heat storage material. The control method of the electric heating pyrolysis furnace comprises the following steps: dynamically acquiring the current power of the electric heating pyrolysis furnace; in the case that the fluctuation value of the current power is greater than the preset power fluctuation value threshold, determining the target feeding rate of the reactants in the electric heating pyrolysis furnace according to the difference between the current furnace temperature of the electric heating pyrolysis furnace and the preset furnace temperature and the current residual heat of the heat storage module; and controlling the electric heating pyrolysis furnace to feed based on the target feeding rate. The application realizes that the electric heating pyrolysis furnace can maintain normal reaction even in the case of temperature fluctuation in the pyrolysis process based on the ceramic heat storage material.

The present invention refers to the use of metal-free carbon materials for converting plastics into C2-C4 olefins and / or other hydrocarbons under direct induction heating at temperatures up to 800°C. The present invention also relates to a process for converting plastics into C2-C4 olefins and / or other hydrocarbons, comprising a step of reacting under direct induction heating at a temperature of up to 800°C with a metal-free carbon material as defined in any one of the claims.

Disclosed herein are reactors for pyrolysis of plastic feedstock comprising post-consumer and / or post-industrial plastics and method of using the same. In various implementations, the reactors include a reactor vessel for receiving and pyrolyzing the plastic feedstock, and one or more electric heaters for heating the feedstock in the reactor vessel's internal volume.

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.

An electrically heated pyrolysis system and methods. In embodiments, the system may include a pyrolysis stage reactor. The pyrolysis stage reactor may include one or more electrically heated screws or augers made of or coated with one or more of a catalytic, a ferromagnetic, a superparamagnetic, or an electrically conductive material and positioned in the inner space of the pyrolysis stage reactor. Each of the one or more electrically heated screws or augers comprise one or more zones including an independently controlled heating element. The system may include an induction coil per zone positioned circumferentially around the exterior surface. The system may include a gas duct positioned within an inner space of the pyrolysis stage reactor, the gas duct held under a partial vacuum and to collect gaseous products from each zone. The proposed design is sustainable in terms of both reducing energy losses and reduction in greenhouse gas emissions.

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 discloses a control method and device of an electric heating pyrolyzing furnace, a medium and the electric heating pyrolyzing furnace, a heat storage module is arranged on the side wall of a hearth of the electric heating pyrolyzing furnace, the heat storage module is made of a ceramic heat storage material, and the control method of the electric heating pyrolyzing furnace comprises the following steps that the current power of the electric heating pyrolyzing furnace is dynamically obtained; under the condition that the fluctuation value of the current power is larger than a preset power fluctuation value threshold value, the target feeding rate of reactants in the electric heating pyrolyzing furnace is determined according to the difference value between the current furnace temperature of the electric heating pyrolyzing furnace and the preset furnace temperature and the current residual heat of the heat storage module; and controlling the electrothermal pyrolyzing furnace to perform feeding based on the target feeding rate. According to the invention, based on the ceramic heat storage material, the normal reaction can be maintained under the condition of temperature fluctuation in the pyrolysis process of the electrothermal pyrolysis furnace.