139results 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.

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.

The present invention relates to multi-layered pyrolysis reactor for the heat treatment of a rubber granulate. The multi-layered pyrolysis reactor has a pyrolysis zone and a gasification.

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 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.

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.

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 fluidized bed reactor for biomass treatment comprising a vessel extending in a first direction from a first end to a second end, an inlet at the first end of the vessel for feeding biomass particles into the vessel, an outlet at the second end of the vessel for outputting processed biomass, a first fluid inlet independently activatable to deliver a first volume of a gas in a second direction into a first region of the vessel, and a second fluid inlet spaced apart from the first fluid inlet in the first direction and independently activatable to deliver a second volume of the gas in the second direction into a second region of the vessel, the second region adjacent the first region.

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.

Method and systems for flash Joule heating of liquids, particularly, methods and systems for flash Joule heating of liquids for gas capture, carbon / graphene templates (including customizable freestanding carbon / graphene templates), and carbon nanotubes.

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 method for preparing biochar by self-propagating pyrolysis, which comprises the following steps: selecting agricultural waste or wood waste with cellulose content of more than 30%, crushing until the particle size is 0.5-5mm, mixing the material and aluminum sulfate according to the ratio of 10-20% of the mass of the raw material, promoting low-temperature pyrolysis by an activator and increasing the specific surface area of the biochar, and preparing the biochar by self-propagating pyrolysis. A resistance heating device is adopted to heat materials to 300-400 DEG C within one minute, volatile components are rapidly released, microwave radiation with the frequency of 2.45 GHz and far infrared radiation are combined for heating, microwave radiation is used for internal heating, far infrared radiation is used for external heating, and the pyrolysis efficiency is improved. Therefore, the stability and the structural integrity of the biochar are kept through accurate cooling, the yield and the quality of the biochar are improved through the whole process, gas generated by pyrolysis is effectively recycled and utilized, energy waste and emission are reduced to the maximum extent, and the problems of uneven heating, long reaction time, low energy efficiency and the like in the prior art are fundamentally solved.

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 present invention includes the design and manufacture of a laboratory type fixed bed pyrolysis reactor, pyrolysis processes for experimental purposes at desired temperatures, obtaining biochar and pyrolysis liquid, obtaining wood vinegar from the obtained pyrolysis liquid by precipitation process and analysing these products and using them in scientific trials. It is a fixed bed pyrolysis system, which can be used in the production of pyrolytic liquid, biochar and pyrolysis gas, wherein pyrolysis trials were successfully carried out, wherein biomass wastes and residues placed in the fixed bed reactor chamber located in the body consisting of a diamond sheet body providing heat conservation are subjected to pyrolysis process in the temperature range of 300-700 °C and wherein the resulting gas can be transmitted to the cooling unit consisting of copper spiral pipes with a closed transmission system and pyrolytic liquid can be produced by condensation process and wherein wood vinegar is obtained by the precipitation process applied to this liquid, wherein biochar is obtained in the reactor chamber after the pyrolysis process.

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.

To provide a treatment system for efficiently recovering a recyclable substance.SOLUTION: An injection device 10 has a reception part 110, a conveyance part 120, a decomposition treatment region 130, an irradiation device 140, an injection part 150 and a delivery port 160. The reception part 110 receives a treatment object from outside. The conveyance part 120 conveys and supplies the treatment object having been received from the reception part 110 to the downstream side while heating the treatment object. A decomposition treatment region 130 has a space where a predetermined amount of the treatment object can be stored on the downstream side of the conveyance part 120. The irradiation device 140 irradiates the treatment object with a microwave in the decomposition treatment region 130. The injection part 150 pushes the treatment object thermally decomposed by receiving the microwave to outside of the decomposition treatment region 130. The delivery port 160 is a flow channel which sends out the treatment object pushed out from the injection part 150 to outside.SELECTED DRAWING: Figure 1

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.

A continuous process for the pyrolysis of plastics, the process comprising a reservoir 28 of plastics material, a reservoir 26 of a FeAlOx catalyst wherein x is an integer, means for admixing 40 the c