383results about "Coke ovens" patented technology

The carbonization system comprises a heat energy furnace and at least one carbonization box body, a circulating hot air outlet of the heat energy furnace is communicated with a first main connecting pipe, one air outlet of the first main connecting pipe is communicated with a first main air inlet pipe of the carbonization box body through a control valve, and the other air outlet of the first main connecting pipe is communicated with a second main air inlet pipe of the carbonization box body through a control valve. The gas outlet end of a main gas outlet pipe of the carbonization box body is communicated with one gas inlet of a second main connecting pipe through a control valve, a gas outlet of the second main connecting pipe is communicated with the gas inlet end of a first ash remover, and the gas outlet end of the first ash remover is communicated with one end of a first gas return pipe; the other end of the first air return pipe is communicated with an air inlet of an air blower communicated with an air return port of the heat energy furnace; one heat energy furnace can provide heat for a plurality of carbonization box bodies, the utilization rate is high, carbon dioxide waste gas generated by the heat energy furnace and steam generated by the steam cylinder at the bottom can be used for carbonizing materials in the carbonization box bodies, the utilization rate is improved, the production cost is greatly reduced, and the use effect is good.

The invention provides a large-size fan blade double-heat-transfer-mode microwave pyrolysis system and method.In the system, ceramic chips inlaid with SiC wave-absorbing agents are arranged on the surface of a conveying belt of a material conveying unit, and a tunnel type microwave pyrolysis reactor utilizes microwaves to conduct microwave pyrolysis on the large-size fan blade under the assistance of the ceramic chips inlaid with the SiC wave-absorbing agents; the pyrolysis unit is used for pyrolyzing fan blade materials conveyed into the material conveying unit by the material conveying unit; the pyrolysis gas treatment unit is used for purification-fractional condensation and collection of organic components; and the glass fiber treatment unit realizes carbon residue separation and low-loss recovery of glass fibers through ultrasonic infiltration. The problems that waste fan blades are difficult to recycle, performance degradation of recycled glass fibers is serious, and recycling benefits are low are solved, the requirement for continuously preparing high-strength glass fiber products and co-producing liquid oil through large-size retired fan blades can be met, and microwaves can be driven through wind power generation; and a gas device is additionally arranged to supply partial energy to the system, so that the resource recovery rate and the energy utilization rate are greatly improved.

The invention relates to a coking coal blending method for blending ultrahigh vitrinite coking coal. The method comprises the following steps: 1) determining the average maximum reflectivity of vitrinite and drawing a reflectivity distribution diagram; 2) quantitative analysis of coal rock macerals; (3) coal rock coal blending parameters are calculated; (4) regulating and controlling coal type screening; 5) coal blending and coking experiment; (6) inspecting the coal blending effect; and 7) industrial production verification. According to the method, coal rock analysis and coke microscopic analysis means are combined, the coking compatibility of the ultra-high vitrinite coking coal is accurately judged, and the high-strength coke is prepared on the basis; the source of the coking coal is expanded, and the coking cost is reduced.

A coke product configured to be used in foundry cupolas to melt iron and produce cast iron products is disclosed herein. In some embodiments, the coke product has a Coke Reactivity Index (CRI) of at least 30% and an ash fusion temperature (A FT) less than 1316° C. Additionally or alternatively, the coke product can comprise a fixed carbon content of at least 80% and / or a volatile matter content of no more than 1.0%.

The invention belongs to the field of comprehensive utilization of coal chemical solid waste, and particularly relates to a treatment method of direct coal liquefaction residue raffinate, which comprises the following steps: (1) mixing direct coal liquefaction residue and an extraction agent to obtain an extraction system, and carrying out solid-liquid separation on the extraction system to obtain filtrate and filter residue; (2) carrying out distillation treatment on the filtrate to obtain asphalt; and (3) drying the filter residue to obtain a solid, and carrying out pyrolysis treatment on the solid to obtain pyrolytic oil. The method disclosed by the invention has the beneficial effects that the direct coal liquefaction residues are changed into products with industrial application values through a segmented processing method, so that an energy-saving, emission-reducing and resource-saving development mode is realized; a solution is provided for solving the problems of land occupation caused by accumulation and landfill of the direct coal liquefaction residues and serious damage to the ecological environment, and a new way with a wide market economic prospect is explored for realizing high-value utilization of liquefaction residue resources.

The invention relates to the field of catalytic cracking recycling, in particular to a system and a method for concentrating carbon dioxide from catalytic cracking flue gas. The system comprises a mixing part which comprises an oxygen production device, a main fan and a carbon dioxide-rich gas mixer, the oxygen production device is communicated with the carbon dioxide-rich gas mixer, and the main fan is communicated with the carbon dioxide-rich gas mixer; the regeneration part comprises a catalytic cracking regenerator, a separator, a flue gas turbine and a waste heat boiler, the catalytic cracking regenerator is communicated with the carbon dioxide-rich gas mixer and the separator, the separator is communicated with the flue gas turbine, and the flue gas turbine is communicated with the waste heat boiler; the flue gas treatment part sequentially comprises a flue gas cooler, a flue gas desulfurization and dust removal device and an overheating dehydration device; the overheating dehydration device is respectively communicated with the recycling part and the main fan; according to the system, the volume concentration of CO2 in (dry) flue gas can be increased to 96% or above.

The utility model relates to a system for reducing carbon dioxide emission in a coking production process. The system comprises a coke oven heating system, a flue gas desulfurization and denitrification system, a CO2 absorption and analysis system, a methanol synthesis system, a wind power / photovoltaic power generation system, an energy storage system, a water electrolysis hydrogen production system, a hydrogen storage system and a methanol storage system. According to the device, the emission of coke oven flue gas CO2 to the atmosphere can be effectively reduced, the CO2 in the coke oven flue gas can be captured and converted into a green methanol fuel, and the CO2 generated by combustion is not discharged when the green methanol fuel is used as a heating fuel of a coke oven, so that the cyclic utilization and green development of the CO2 are realized.

The invention relates to the technical field of waste plastic treatment, in particular to a waste plastic grading carbonization device and a waste plastic treatment method. The waste plastic grading carbonization device comprises a feeding hopper, a crushing device, a grinding device, a screening device, a catalyst self-adaptive proportioning device, a first spiral discharging machine, a first-stage carbonization chamber, a second-stage carbonization chamber, an activation chamber, a second spiral discharging machine, a solid product collecting device, a liquefaction device, a liquefied product collecting device, a cooling water circulating device and a third spiral discharging machine, a material returning bin and a tail gas treatment device. According to the invention, through the collaborative innovation of'grading carbonization 'and'catalyst self-adaptive proportioning device', the problems of incomplete and non-uniform carbonization of the waste plastics, inadequate utilization of gas products and the like in the pyrolysis process of the waste plastics are solved, and an industrial feasible path is provided for chemical recovery of the waste plastics; the device is reasonable in overall structural design and high in treatment energy efficiency, and continuous, sufficient and efficient pyrolysis and high-value conversion of the waste plastics are achieved.

The invention relates to the technical field of coal blending, and discloses a coking coal blending method. The method comprises the steps that target functions are determined according to the wet basis ratio, the moisture, the ash content, the volatile component, the wet basis unit transportation cost and the coke dry basis volatile component of each single-variety coal in multiple single-variety coals, and the target functions comprise raw material and storage cost functions; determining a first constraint condition according to the wet basis ratio and moisture of each single-variety coal and a quality function relationship between the single-variety coal and the mixed coal for each single-variety coal in the first influence parameter set; determining a second constraint condition according to the wet basis ratio and moisture of each single-variety coal and a quality function relationship between the single-variety coal and coke for each single-variety coal in a second influence parameter set; and under a plurality of constraint conditions, a meta-heuristic algorithm is adopted to optimize the target function so as to determine the wet basis ratio of each single-variety coal, and the plurality of constraint conditions comprise the first constraint condition and the second constraint condition. According to the method, the coking coal blending ratio can be efficiently and accurately determined.

An information processing device including a target person information acquisition unit configured to acquire target person information about a target person, an exercise evaluation information acquisition unit configured to acquire exercise evaluation information indicating evaluation of an exercise of the target person, a storage unit configured to store a trained model that outputs instruction content in which, when the target person information and the exercise evaluation information are input, evaluation of exercise information of the target person is estimated to be improved, and a report output unit configured to input the target person information and the exercise evaluation information to the trained model and output an instruction report including the instruction content output from the trained model.

The present invention discloses a method for upgrading semi-coke to prepare raw materials for injection and sintering, comprising the following steps: mixing and kneading semi-coke powder, high fixed-carbon powder, binder and upgrading improver to obtain shaped raw materials; pressing the shaped raw materials to form semi-coke pellets with regular shapes; carbonizing the semi-coke pellets to obtain upgraded semi-coke pellets; and crushing and screening the upgraded semi-coke pellets to obtain raw materials for injection and sintering. The present invention uses a combined process of shaping + carbonization to process semi-coke powder and produce high-quality upgraded carbon materials; after pyrolysis and upgrading, the volatile matter of the semi-coke powder in the present invention can be significantly reduced from the current 8-12% to less than 4.5%, which is a clean and pure carbon material raw material and can be used as raw materials for injection and sintering in steel production.

The invention discloses a biomass coke-based multifunctional coal pyrolysis catalyst and a preparation method thereof, and belongs to the technical field of preparation of coal pyrolysis catalysts. The preparation method comprises the steps of raw material pretreatment, pyrolysis pore-forming, activation synergism, metal loading, citric acid staged removal and atmosphere replacement, and specifically comprises the following steps: firstly, compounding, crushing and drying straw and wood biomass, and performing pyrolysis in an inert atmosphere to prepare a biomass coke precursor; then carrying out alkali metal activation, acid pickling and water washing to prepare an activated carrier with a high specific surface area; then, citric acid is used for assisting in loading a mixed solution of nickel nitrate and ferric nitrate, citric acid is removed by stages through air low-temperature pre-removal and inert gas medium-temperature deep removal, and the valence state of the metal active component is synchronously regulated and controlled. The prepared catalyst is low in citric acid residual quantity, can realize hydrodeoxygenation, tar cracking and anti-carbon deposition functions, is excellent in catalytic performance and low in cost, meets the requirements of low metamorphic coal pyrolysis volatile component upgrading, and is easy to industrially apply.

The utility model provides a coke oven blowing-out system and relates to the technical field of coke ovens. The device comprises a plurality of carbonization chambers, a gas collecting pipe is communicated with the carbonization chambers, a purging pipe and a diffusing pipe are communicated on the gas collecting pipe, a gas source pipe is communicated with the purging pipe, the diffusing pipe is communicated with an exhaust pipe, and the exhaust pipe is sequentially provided with a heat exchange unit, a filter unit, a combustion unit, a purification unit and a discharge unit. When the coke oven is shut down, gas blown out of the coke oven is discharged after being treated, so that environmental pollution is avoided.

This invention discloses a coking method for synergistically improving the mechanical strength of coke using multiple components, relating to the field of coke smelting technology. The key technical points are: In a basic coal blend composed of gas coal, coking coal, and lean coal, 0.5%-10% organic binder and 0.5%-10% solid filler are added by mass percentage, along with 0.5-10 mL of liquid organic solvent per 100g of coal. After mixing and molding, the mixture undergoes carbonization. An optimal blend ratio is selected, and under the optimal combination, the mechanical strength of the coke can reach over 88%. This invention proposes a ternary synergistic modification system that significantly improves the mechanical strength and structural uniformity of coke without significantly altering existing processes. It has the advantages of low cost and ease of implementation, and is suitable for the industrial production of coke for blast furnaces.

The utility model discloses an anti-sticking coal cake tamping hammer, and relates to the technical field of coal cake tamping hammers, the anti-sticking coal cake tamping hammer comprises a hammer rod and a hammer head arranged at the lower end of the hammer rod, a limiting seat is arranged outside the hammer rod, a fixing frame is arranged on the outer surface of the limiting seat, a telescopic rod is arranged at the lower end of the fixing frame, and the telescopic rod is connected with the limiting seat. A knocking rod is rotatably connected to the front surface of the lower end of the telescopic rod, a knocking head is arranged on the outer surface of the lower end of the knocking rod, a shaft seat is arranged on the outer surface of the right side of the hammer rod, a tooth block is rotatably connected to the inner surface of the shaft seat, and a transmission mechanism is arranged on the surface of the knocking rod; the transmission mechanism comprises an abutting wheel fixedly connected to the outer surface of the left side of the knocking rod. Compared with an existing common coal cake tamping hammer, the anti-sticking coal cake tamping hammer has the advantages that the hammer rod and the hammer head can move up and down along with an external power device in the working process, in the hammering process, the hammer rod can be used for driving knocking through lifting of the hammer rod, and coal is effectively prevented from sticking to the surface of the hammer head.

The application discloses a carbonization box body, which comprises a main box body, an inner box body arranged in the main box body, a left end plate, a right door frame and a door body.

A gasifier system configured to generate synthesis gas via thermal decomposition of materials at elevated temperatures in an oxygen deprived atmosphere via pyrolysis is disclosed. The gasifier may include numerous subsystems configured to increase the operational efficiency of the gasifier. For example, and not by means of limitation, the gasifier may include a syngas recirculation system, a screenless ash removal system, a tar reduction system, a negative slope gasifier system and a syngas catalyzer system. The syngas recirculation system may increase efficiency of the gasifier system.

The utility model relates to the technical field of coke oven waste gas, in particular to a coke preheating device for coke oven waste gas, which comprises a coke bin and a gas supply pipeline fixedly mounted at the bottom end of the coke bin, a reciprocating screw rod is fixedly mounted at the top end of an output shaft of a driving motor, and a sliding plate is sleeved on the reciprocating screw rod in a threaded manner; mounting rings are fixedly mounted at the two ends of the sliding plate, a plurality of rack rods are mounted on the mounting rings, a plurality of mounting plates are mounted on the surface of the coke bin, a plurality of rotating rods are mounted on the surfaces of the mounting plates, gears sleeve the rotating rods, a plurality of spring rods are mounted on the surfaces of the rotating rods, and impact balls are fixedly mounted at one ends of the spring rods. The coke in the coke bin does not stand any more but vibrates, so that the coke at the bottom is not compact any more, the coke distance through which the coke oven waste gas can pass is increased, the coke at the upper part can also be in contact with the coke oven waste gas, and the preheating integrity of the coke is improved.

The invention discloses a coking device for lignite blending, and relates to the technical field of coal coking, the coking device comprises a coking furnace, the top of the coking furnace is fixedly provided with a box body, the two sides of the box body are both provided with storage boxes, the bottoms of the storage boxes are fixedly provided with hollow cylinders, and the sides, away from each other, of the two hollow cylinders are both fixedly provided with first servo motors; output shafts of the first servo motors penetrate through one side of the hollow cylinder and are fixedly provided with first augers; the two independent first servo motors are used for driving the augers at the bottom of the storage box respectively, the conveying amount of lignite and other coal types can be accurately controlled by adjusting the rotating speed of the motors, the deviation of the coal blending proportion is greatly reduced, it is ensured that the mixed coal meets the preset formula requirement all the time, and the coal blending efficiency is improved. Coke quality fluctuation caused by proportion imbalance is reduced from the source, stable performance of subsequent coking products is guaranteed, and the coal crushing and mixing effect is improved.

The utility model discloses a manhole structure of a carbonization furnace, the carbonization furnace comprises a furnace body, the manhole structure comprises a cylinder body embedded in the upper side of the furnace body and a cover body covering the cylinder body, the cylinder body is a hollow structure and is fixed on the furnace body through a flange plate, and the cover body is hinged to the cylinder body; the manhole structure further comprises a driving assembly for driving the cover body to rotate around the barrel body, the driving assembly comprises a transmission part connected to the side wall of the furnace body and a connecting part for connecting the transmission part and the cover body, and the transmission part can move in the direction away from the cover body in the vertical direction so as to drive the cover body to rotate around the barrel body through the connecting part; the driving assembly further comprises a driving part which is in transmission connection with the transmission part to drive the transmission part to move. When the cover body needs to be opened, the cover body can be opened at a position far away from the cover body, so that danger to personnel during air leakage can be avoided, meanwhile, the cover body is more convenient to open during maintenance, and the personnel can directly enter the furnace body through the barrel body when climbing to the periphery of the cover body.

The claimed invention is directed to a catalytic graphitization process to convert fuel-grade petroleum coke into battery-grade graphite using a recyclable catalyst derived from iron, nickel or cobalt.

The claimed invention is directed to a catalytic graphitization process to convert fuel-grade petroleum coke into battery-grade graphite using a recyclable catalyst derived from iron, nickel or cobalt.

The invention discloses a coking coal preparation method and a coal preparation system thereof, and the method comprises the following steps: separately crushing a plurality of coals required for preparation to obtain a plurality of first-order crushed coals; sorting the plurality of first-order crushed coal materials according to multi-stage hardness, and premixing the plurality of first-order crushed coal materials with similar hardness according to a ratio to obtain a plurality of first-order premixed coal; respectively crushing the plurality of first-order premixed coals until the pulverized coal content reaches a preset proportion to obtain a plurality of second-order crushed coals; then carrying out multi-stage separation on the multiple second-order crushed coal materials according to particle sizes, and premixing the coal materials with the same-stage particle sizes to obtain multiple second-order premixed coal; then, the multiple second-order premixed coals are crushed to the final particle size requirement range, and multiple third-order crushed coals are obtained; and finally, the various three-order crushed coal materials are fully and uniformly mixed through a uniform mixing mechanism, and the final coking coal is obtained. The method is not influenced by the quality of a coal source, meets the configuration requirements of various combined coking coals, and ensures that the quality of the prepared coking coals is stable.

The present invention provides a method for producing coke that exhibits minimal variation in strength between production lots. [Solution] The manufacturing method comprises a preparation step (S10), a loading step (S20), a cutting step (S30), a monitoring step (S40), and a coke manufacturing step (S50). In the preparation step (S10), raw coal is prepared. In the loading step (S20), raw coal is loaded into a coal bin (11). In the cutting step (S30), raw coal in the coal bin (11) is cut from the bottom end of the coal bin (11) to the charging car (30). In the monitoring step (S40), the amount of raw coal remaining in the coal bin (11) is monitored. In the coke manufacturing step (S50), the raw coal on the charging car (30) is charged into a carbonization chamber (41), and the raw coal in the carbonization chamber (41) is carbonized to produce coke. Then, in the input process (S20), raw coal is fed into the coal bin (11) so that the inventory level monitored in the monitoring process (S40) is maintained at or above a predetermined level.

This invention discloses a blended coal and coke, and a preparation method, using Canadian coking coal with a plasticity range <60℃, belonging to the field of coal blending and coking technology. It comprises 20%–24% gas coal, 4%–8% gas-rich coal, 3%–7% 1 / 3 coking coal, 9%–16% fat coal, and 25%–62% coking coal. The coking coal includes 5%–15% Canadian coking coal. The Canadian coking coal has a Kiel's flowability plasticity range of 50℃–55℃, a flowability MF of 11–37 PPM, a caking index G of 76–80, and a maximum plastic layer thickness Y of 14–18 mm. This invention replaces a portion of the coking coal with Russian fat coal in coal blending and coking, increasing its blending ratio and expanding the application range of coking coal, thus optimizing the utilization of imported coking coal resources.

This invention provides a method for evaluating the compatibility of different coals, enabling simple and highly accurate prediction of coke strength. [Solution] A method for evaluating the compatibility between two or more types of coal when two or more types of coal are blended, comprising: obtaining the solubility parameter of each of the two or more types of coal; calculating the centroid of the solubility parameter; and evaluating the compatibility based on the difference between the centroid and the solubility parameter.

Methods of separating products from the catalytic fast pyrolysis of biomass are described. In a preferred method, a portion of the products from a pyrolysis reactor are recovered and separated using a quench system and solvent contacting system that employs materials produced in the pyrolysis process.

A system and method for sequestration and reduction of carbon dioxide (CO2) to a carbon material via an integrated microbial and chemical catalytic processes are described. The system and method comprise a bioreactor in gas communication with a pyrolysis reactor, wherein the microbes of the bioreactor uptake CO2 dissolved in aqueous solution and convert it to a volatile organic carbon compound, such as, for example, methane, which, in turn is fed into the pyrolysis reactor for catalytic conversion to a carbon material, wherein the carbon material may include crystalline carbon. The thus obtained carbon material is easily collectable for various high end uses or for CO2 storage.

A method for readily estimating the coke strength of coal-blend coke after CO2 reaction is provided. A coal-blend coke CSR estimating method for estimating the coke strength of coal-blend coke after CO2 reaction (CSR) using a TG reactivity index that is a percentage weight loss measured by thermogravimetry of coke held in a CO2 atmosphere at a predetermined temperature range for a predetermined time, the method including a step of measuring the TG reactivity indices of single-coal cokes and estimating the TG reactivity index of the corresponding coal-blend coke from the weighted average of the TG reactivity indices measured of the single-coal cokes; a step of estimating the coke reactivity index (CRI) of the coal-blend coke from the TG reactivity index of the coal-blend coke estimated in the previous step; and a step of estimating the coke strength of the coal-blend coke after CO2 reaction (CSR) from the coke reactivity index (CRI) of the coal-blend coke estimated in the previous step and the drum index (DI) of the coal-blend coke.

This application belongs to the technical field of air intake systems and discloses an air intake system for an integrated carbonization machine, including an air intake pipe, a first mounting shaft, a first semi-circular plate, a second mounting shaft, and a second semi-circular plate. A connecting rod is hinged to one side of the second semi-circular plate, and the end of the connecting rod away from the second semi-circular plate is hinged to the first semi-circular plate. A sliding seat is slidably installed inside the air intake pipe, and control rods are hinged to both sides of the sliding seat. One end of the control rod is hinged to the first semi-circular plate. A drive assembly and an air intake assembly are installed inside the air intake pipe. The drive assembly drives the sliding seat to slide, which in turn moves the control rods, causing the two first semi-circular plates and the two second semi-circular plates to rotate. The two first semi-circular plates become flush and seal the inside of the air intake pipe, and the two second semi-circular plates similarly seal the inside of the air intake pipe. The two sealing structures ensure the sealing effect inside the air intake pipe, preventing outside air from entering the carbonization machine through the air intake pipe, thereby ensuring the carbonization effect of the material inside the carbonization machine.