177 results about "Carbon product" patented technology

The utility model discloses carbon product mixing and kneading equipment with an asphalt spraying device. The carbon product mixing and kneading equipment comprises a shell, the asphalt spraying device and a uniform mixing device, the uniform mixing device comprises a first transmission shaft, a second transmission shaft and a stirring assembly; the first transmission shaft and the second transmission shaft are axially and rotatably arranged in the shell, the first transmission shaft is located over the second transmission shaft, the stirring assemblies are axially arranged on the first transmission shaft and the second transmission shaft at equal intervals, and the stirring assemblies on the first transmission shaft and the second transmission shaft are arranged in a staggered mode. The asphalt spraying device comprises an asphalt conveying pipe and a material distributing pipe; the asphalt conveying pipe is arranged below the second transmission shaft, the material distributing pipes are arranged at equal intervals in the axial direction of the first transmission shaft, the material distributing pipes are communicated with the asphalt conveying pipe, and discharging holes are formed in the material distributing pipes. According to the asphalt mixing device, asphalt is injected from the inside of a raw material through the material distribution pipe, and then the first transmission shaft and the second transmission shaft are matched to drive the stirring assembly to stir, so that the asphalt is mixed with the raw material from inside to outside, and the asphalt and the raw material can be uniformly mixed within a short time.

The invention belongs to the field of carbon product production, and particularly relates to special graphite for ion implantation and a preparation method thereof, and the special graphite is composed of aggregate coke, an additive and a binder; the aggregate coke comprises at least one of low-ash petroleum coke, pitch coke, pitch coke green coke, needle coke and artificial high-purity graphite, the ash content is not higher than 0.2%, the water content is not higher than 0.02%, and the prepared special graphite for ion implantation has excellent comprehensive performance indexes. The volume density is 1.85-1.92 g / cm < 3 >, the porosity is smaller than or equal to 7%, the resistivity is 12-14 mu omega m, the breaking strength is larger than or equal to 85 MPa, the compressive strength is larger than or equal to 180 MPa, the Young modulus is 13-15 GPa, the thermal expansion coefficient is smaller than or equal to 5.0 * 10 <-6 > / DEG C, the total impurity content is smaller than or equal to 50 ppm, the key metal element content is smaller than or equal to 5 ppm, and all the properties reach the industry leading level. The harsh requirements of the ion implantation technology on the special graphite material in the aspects of electric heating performance, mechanical performance, thermal stability and purity can be fully met, and stable operation and efficient work of ion implantation equipment are effectively guaranteed.

The invention provides a method and a system for heating a carbon product kneading dry material by using waste heat of a roasting furnace, and belongs to the technical field of carbon. The method comprises the following steps: collecting mixed high-temperature hot air generated in a cooling stage of a roasting furnace after roasting a carbon product; and heating the carbon product kneading dry material to a set temperature by taking the mixed high-temperature hot air as a heat source. By using the waste heat generated in the cooling area of the roasting furnace as a heat source to heat the kneading dry material, the method not only can effectively improve the heat energy utilization rate of the roasting furnace and fully utilize the waste heat of the roasting furnace, but also can reduce the natural gas consumption of the carbon dry material in the heating kneading forming process.

The invention relates to a rotary table small hole shunting natural gas cracking decarburization hydrogen production and in-situ power generation device, and aims to solve the problems of high methane cracking energy consumption, low methane conversion rate, difficulty in preparation of a high-quality carbon material, low hydrogen production efficiency, high storage and transportation safety risk and the like. The device is provided with a natural gas shunting turntable, so that methane is uniformly shunted into molten metal and is efficiently cracked, and a high-quality carbon product and hydrogen are prepared. Raw material airflow is subjected to three-stage preheating through a heat exchanger where hydrogen power generation flue gas, a carbon material at an outlet of a cracker and mixed gas (hydrogen and residual natural gas) are located. Extra heat loads needed by natural gas molten metal cracking are supplemented through hydrogen separated from cold exchange mixed gas in an in-situ power generation mode, and surplus hydrogen electricity is merged into a power grid. According to the device, waste heat and hydrogen energy are fully utilized for in-situ cyclic power generation, gas-liquid contact is enhanced, residual gas is subjected to cyclic cracking, and the reaction efficiency is improved, so that mass production of high-quality carbon materials is achieved through safe and efficient utilization of the hydrogen energy, and the market demand of the high-quality carbon materials is relieved.

The invention relates to the technical field of roasting devices, and discloses a roasting device for carbon product production, which comprises a roasting box, mounting ports are formed in two sides of the roasting box at equal intervals, a protection frame is mounted on one side of each mounting port, a fan is mounted in the protection frame, and a mounting box is slidably connected to the top of the roasting box. According to the carbon product roasting device, a rotating motor is arranged and started, in the process of roasting a carbon product, a gear A drives a gear B to rotate, so that a rotating cylinder at the top rotates, a rotating disc at the top rotates, under the action of other rotating cylinders, the other rotating discs rotate together, in the process, a fixing rod does not rotate, and in the process, the fixing rod does not rotate; according to the carbon product roasting device, the fixed gear does not rotate, and the transmission gear rotates under the action of the fixed gear, so that the transmission gear drives the placing barrel to rotate, the carbon products in the placing barrel are roasted more comprehensively, and the roasting effect of the device is improved.

The invention discloses a roasting furnace for carbon products and a roasting control method, and the roasting furnace for the carbon products comprises a furnace body which is divided into a plurality of roasting areas in the direction from a product inlet to a product outlet of the furnace body; the carrying device is partially arranged in the furnace body and is used for conveying the carbon products from the product inlet of the furnace body to the product outlet of the furnace body; the multiple heating devices are arranged on the inner side wall of the furnace body at intervals, each roasting area is provided with at least one heating device, and the heating temperatures of the heating devices arranged in different roasting areas are different. The technical problem that large energy loss is caused by roasting temperature control is solved.

The invention relates to an electrolytic aluminum waste cathode carbon resource recycling method which comprises the following steps: S1, mixing aluminum electrolysis waste cathode carbon with aluminum salt, and carrying out dry ball milling to obtain a ball milling material; s2, the ball-milled material is leached with an acid solution and filtered, and first-section leached residues and first-section leached liquid are obtained; s3, mixing the first-stage leaching residues with solid alkali, and roasting to obtain a sintered material; washing and filtering the sintered material to obtain second-stage filtrate and filter residues, and drying the second-stage filter residues to obtain a carbon product; and S4, adding the second-stage filtrate into the first-stage leachate until the pH value is 4.5-7.5, aging, filtering to obtain a third-stage leachate and third-stage filter residues, and roasting the third-stage filter residues to obtain an aluminum-fluorine product. According to the method, the waste cathode carbon is leached in the aluminum salt low-acid environment, the reaction environment is milder, and meanwhile the leaching efficiency is not reduced. And through further low-temperature alkali fused salt roasting, fluoride in the waste cathode carbon is removed, and the purity of the obtained carbon product is high.

The invention discloses a coal gasification slag harmless treatment system and method in the technical field of solid waste treatment, and the system comprises a screening device for screening coal gasification slag to obtain oversize materials and undersize materials; the grinding device is used for grinding the oversize materials to obtain ground oversize materials; the separation device is used for carrying out residual carbon separation treatment on the undersize material to obtain concentrate and gasified tailings, the concentrate is dehydrated to serve as a residual carbon product, and the gasified tailings after dehydration and the ground oversize material serve as a mixed material to enter the compound leaching device; the compound leaching device is used for carrying out compound leaching and dehydration treatment on the mixed material; the chemical oxidation device is used for carrying out chemical oxidation and dehydration treatment on the mixed material subjected to compound leaching and dehydration treatment; and the washing adjustment device is used for carrying out washing adjustment and dehydration treatment on the mixed material subjected to chemical oxidation and dehydration treatment. The coal gasification slag produced in the coal chemical industry is subjected to systematic harmless treatment, and the effect of turning waste into wealth is achieved.

The application discloses a coal gasification residue harmless treatment system and method in the technical field of solid waste treatment, which comprises the following steps: a screening device is used for screening treatment of the coal gasification residue to obtain oversize material and undersize material; a grinding device is used for grinding treatment of the oversize material to obtain ground oversize material; a sorting device is used for residual carbon sorting treatment of the undersize material to obtain concentrate and gasification tail residue, wherein the concentrate is used as a residual carbon product after dehydration, and the gasification tail residue is used as mixed material with the ground oversize material after dehydration and enters a compound leaching device; the compound leaching device is used for compound leaching and dehydration treatment of the mixed material; a chemical oxidation device is used for chemical oxidation and dehydration treatment of the mixed material after the compound leaching and dehydration treatment; and a water washing adjusting device is used for water washing adjustment and dehydration treatment of the mixed material after the chemical oxidation and dehydration treatment. The coal gasification residue generated by the coal chemical industry is subjected to systematic harmless treatment, and the effect of turning waste into treasure is realized.

The invention discloses a method for preparing a carbon product from waste heat of a graphitization box-type furnace, and relates to the technical field of carbon product manufacturing, and the method comprises the steps of carbon product pretreatment, in-furnace waste heat treatment, charging, calcination, waste heat calcination and carbon product post-treatment. The method has the advantages that after graphitization is completed, waste heat in the box-type furnace has a huge utilization value, a ventilation system in the furnace is accurately controlled, the constant temperature can be maintained, it is ensured that the waste heat uniformly acts on the carbon products, the atmosphere in the furnace can be effectively adjusted, and the carbon products are prevented from being burnt in the graphitization box-type furnace. According to the method, waste heat is utilized for calcination, the quality of the carbon products is further improved, energy consumption can be greatly reduced, the green and environment-friendly production target is achieved, meanwhile, the production period is shortened, the production efficiency is improved, and enterprises can produce more high-quality carbon products within shorter time.

The invention relates to the technical field of steel production, and provides a product carbon footprint calculation method considering scrap steel circulation, which comprises the following steps: step 1, calculating the direct emission of greenhouse gas; 2, calculating the total emission amount of the greenhouse gas in the life cycle; and step 3, considering a 1t functional unit product carbon footprint in a waste steel circulation stage. According to the method, comprehensiveness and accuracy are improved, and by integrating all direct emission sources, traditional emission calculation is covered, and emission reduction contribution of carbon sequestration products which are usually ignored is further included. The comprehensiveness enables the carbon footprint calculation to truly reflect the actual environmental influence of the enterprise or the production process. Besides, more accurate carbon footprint data support enterprises and policy formulators to make more effective strategies and measures, such as investment in more efficient technologies or optimization of resource allocation, thereby reducing environmental impact, promoting practice of circular economy, and reducing requirements of the industry for raw materials and environmental footprints thereof.

The application provides a self-powered heat type biomass conditioning pyrolysis method and device for co-production of high-value liquid and solid products, and belongs to the technical field of biomass processing. The device provided by the application mainly comprises a feeding module, a pyrolysis module, a condensation module and a self-powered heating module. Based on in-situ conditioning pyrolysis integration, the pyrolysis path is in-situ regulated by adding a trace amount of potassium metal salt, the self-powered electric heating molten salt precise temperature control technology is used, the conditioning pyrolysis process is uniform, stable and controllable, and the oil and carbon products can be simultaneously upgraded. After the reaction, the potassium salt catalyst does not need to be separated and can be directly used as high-value field-return biochar or subsequent activated raw material, and the quality of the biochar is further improved. The device has simple structure and precise temperature control, the oil and carbon products prepared have high quality, the catalyst does not need to be separated, and has wide application prospect.

The application relates to the technical field of carbon product processing equipment, and particularly discloses a carbon product continuous production method and device. The carbon product continuous production device comprises a workbench, a rotating disc rotatably connected to the middle part of the workbench, and a feeding mechanism, a drilling mechanism, a slotting mechanism, a threading mechanism and a discharging mechanism installed on the upper end face of the workbench; the feeding mechanism, the drilling mechanism, the slotting mechanism, the threading mechanism and the discharging mechanism are sequentially arranged around the rotating disc; and a plurality of clamps and adjusting mechanisms are installed on the rotating disc. The carbon product continuous production device is characterized in that a plurality of processing stations are arranged outside the rotating disc, the clamps are driven to rotate by the rotating disc, the positions of the clamps are adjusted, the states of the clamps are adjusted in cooperation with the adjusting mechanisms, the clamps can drive the carbon brushes to present different postures in different processing stations, the processing device is matched, the efficient continuous processing of the carbon brushes is realized, and the processing efficiency of the device is improved.

The processes disclosed herein are environmentally friendly technologies to produce biocarbon products with low water intensity as well as low carbon intensity. Some variations provide a low-water-intensity process for producing a biocarbon product, comprising: providing a starting feedstock comprising biomass and water; drying the starting feedstock to generate a dried feedstock and a first vapor; pyrolyzing the dried feedstock to generate hot solids and a second vapor; condensing the first vapor to generate a first condensed liquid having a first pH from about 1 to about 7; condensing the second vapor to generate a second condensed liquid having a second pH from about 1 to about 7; forming acid water comprising the first condensed liquid, the second condensed liquid, or a mixture thereof; washing and cooling the hot solids using the acid water, to generate washed, cooled solids; and recovering the washed, cooled solids as a low-water-intensity biocarbon product.

A decomposition reactor equipped with a thermochemical decomposition reactor for performing a thermochemical decomposition of a hydrocarbon feedstock such as methane or natural gas, as well as a method for performing the thermochemical decomposition and process for obtaining a carbon product therefrom. The thermochemical decomposition reactor holds a supersaturated molten mixture primarily of a metal and carbon, where the metal is Mn, Fe, Co and Ni or an alloy comprising more than 50% of the metal. A heater heats and maintains supersaturated molten mixture in supersaturation with carbon while the hydrocarbon feedstock is injected to pass through the supersaturated molten mixture and be pyrolyzed to yield pyrolysis products that primarily include hydrogen and the desired carbon product. A hydrogen extraction means extracts the hydrogen and carbon product and a carbon separation means separates the carbon product preferably including a solid carbon product that is highly graphitic.

The invention discloses a processing method for improving the compaction density of capacitor carbon and the volume specific capacity of an electrode material, and the method comprises the steps: carrying out the grinding and shaping of an activated and pore-formed capacitor carbon raw material, and obtaining the spherical capacitor carbon powder; carrying out washing and roasting pretreatment on the sphere-like capacitance carbon powder to obtain pretreated capacitance carbon; mixing the pretreated capacitor carbon to obtain uniform mixed capacitor carbon powder; and calcining the mixed capacitor carbon powder for 0.5-2 hours at the temperature of 500-900 DEG C in a protective gas atmosphere to finally obtain a capacitor carbon finished product with improved compaction density and volume specific capacity. By accurately controlling particle size distribution and proportion of raw materials and combining a shaping process and a heat treatment process, accumulation gaps among capacitor carbon particles are reduced, and the compaction density is improved; the optimized particle morphology enhances the fluidity of the material and the forming strength of the electrode, so that the volume specific capacity of the electrode material is obviously improved.

This invention discloses a method for preparing carbon products using waste heat from a graphitization box furnace. This invention relates to the field of carbon product manufacturing technology, including carbon product pretreatment, in-furnace waste heat treatment, furnace loading, calcination, waste heat calcination, and carbon product post-treatment. Before graphitization in the graphitization box furnace, the carbon products are placed inside for simultaneous calcination. The advantages of this invention are: after graphitization, the waste heat in the box furnace has significant utilization value; by precisely controlling the furnace's ventilation system, not only can a constant temperature be maintained, ensuring uniform application of waste heat to the carbon products, but the furnace atmosphere can also be effectively regulated, further improving the quality of the carbon products. Utilizing waste heat for calcination can greatly reduce energy consumption, achieving green and environmentally friendly production goals. Simultaneously, this method shortens the production cycle, improves production efficiency, and enables enterprises to produce more high-quality carbon products in a shorter time.

The invention belongs to the technical field of carbon emission, and particularly discloses a life cycle-based carbon emission accounting method for a household garbage fine utilization system, and the life cycle comprises a garbage collection and transportation stage, a fine treatment stage and a resource recovery stage. The method comprises the following steps: determining a first carbon emission amount for transporting household garbage in a garbage collection and transportation stage; determining a second carbon emission in a fine treatment stage based on the carbon emission released when different types of household garbage are treated by using different recovery processes; based on the carbon emission reduction amount of the fuel product and the carbon sequestration amount of the carbon sequestration product generated in the refining treatment stage, determining the third carbon emission amount of the resource recovery stage; and carbon emission accounting of the life fine utilization system is completed based on the first carbon emission, the second carbon emission and the third carbon emission. According to the invention, quantitative accounting is carried out on the carbon emission in the system life cycle, and more accurate carbon accounting is achieved.

The invention discloses a deformation cylinder type carbon-carbon product correcting tool and a method for correcting a carbon-carbon product through the deformation cylinder type carbon-carbon product correcting tool. The tool comprises a pressing nut, a fixing bolt, a supporting arm, a pressing bolt, a graphite supporting cylinder and two semicircular clamping bases. The two semicircular clamping seats are connected to form a cylinder, a graphite supporting cylinder is arranged in the cylinder, a plurality of square grooves are formed in the semicircular clamping seats, and supporting arms are arranged in the square grooves. The correcting method comprises the steps that the carbon-carbon heat preservation cylinder is placed in the tool, the carbon-carbon heat preservation cylinder makes contact with the graphite supporting cylinder, the carbon-carbon heat preservation cylinder is pressed tightly through the pressing bolt, and high-temperature treatment is conducted. The split type tool is convenient to carry, can be carried to a user site to process a deformed product, and is simple to operate; load can be uniformly applied in the circumferential direction through the semicircular clamping seat, so that secondary damage is prevented; the semicircular clamping seats are spliced through bolts, loads are evenly applied in the same circumferential direction, the parallel clamping seats do not affect each other, and therefore the problem that precise control is difficult is solved.

The application discloses a coal-based gasification slag residual carbon backflow, circulating and reselecting extraction system and process, and relates to the technical field of coal chemical industry.The system comprises a circulating water pool, a water bubbling machine, a water selection pool, a particle size sorting machine, a sedimentation classifier, a desliming screen, an A-spiral group, a B-spiral group and a hot air pressure filter.The coal-based gasification slag residual carbon recovery rate reaches more than 98%, which is much higher than the residual carbon recovery rate level of less than 60% in the same industry.The water content of the extracted carbon is less than 40%.The coal-based gasification slag residual carbon backflow, circulating and reselecting extraction system and process can realize the water content of the carbon product after the extraction of the residual carbon in the coal-based gasification slag to be less than 40%, which is much higher than the water content level of 50%-70% of the extracted carbon in the same industry, and effectively solves the technical problem of the dehydration difficulty of the gasification fine slag.

Provided are methods and systems for renewable power optimization for production of a reduced carbon product from a gaseous CO2 source (such as the atmosphere).

The invention discloses a coal-based gasified slag carbon residue backflow and circulating check extraction system and process, and relates to the technical field of coal chemical industry, the system comprises a circulating water pool, a water soaking machine, a water separation pool, a particle size sorting machine, a sedimentation grader, a desliming screen, a spiral group A, a spiral group B and a hot air filter press; according to the coal-based gasified slag carbon residue backflow and cyclic check extraction system and process, the carbon residue recovery rate of coal-based gasified slag can reach 98% or above, and is far higher than the carbon residue recovery rate level of less than 60% in the same industry; according to the coal-based gasification slag carbon residue backflow and circulation check extraction system and process, the water content of a carbon product obtained after carbon residue extraction in coal-based gasification slag can be smaller than 40%, the water content of the carbon product is far higher than the water content of 50%-70% of extracted carbon in the same industry, and the industrial technical problem that gasification fine slag is difficult to dehydrate is effectively solved.

The invention provides a method and a device for co-producing high-value liquid and solid products through self-supply electric heating type biomass tempering pyrolysis, and belongs to the technical field of biomass treatment. The device provided by the invention mainly comprises a feeding module, a pyrolysis module, a condensation module and a self-powered heating module. On the basis of in-situ conditioning and pyrolysis integration, a trace amount of potassium metal salt is added to regulate and control a pyrolysis path in situ, a self-powered electrothermal molten salt precise temperature control technology is utilized, the conditioning and pyrolysis process is uniform, stable and controllable, and synergistic upgrading of oil-carbon products can be realized. After the reaction, a potassium salt catalyst does not need to be separated and can be directly used as high-value returning-to-field biochar or a subsequent activation raw material, and the quality of the biochar is further improved. The device is simple in structure and accurate in temperature control, the prepared oil-carbon product is high in quality, the catalyst does not need to be separated, and the application prospect is wide.

The utility model discloses a carbon roasting device which comprises a roasting box, an annular plate, a roasting assembly and a driving assembly. A rotating shaft is rotatably mounted in the roasting box, a cross is mounted in the annular plate, the rotating shaft is mounted in the middle of the cross, a plurality of fixing shafts are uniformly mounted on the side face of the annular plate, mounting rods are rotatably mounted at the two ends of each fixing shaft, and carrying plates are mounted at the lower ends of the mounting rods; a driving assembly is installed on the outer side of the roasting box and connected with one end of the rotating shaft. According to the carbon roasting device, a carrying plate is rotated to move through a rotating shaft, a second belt wheel is driven to rotate, the second belt wheel rotates to drive a first belt wheel to rotate under the effect of a belt, and the first belt wheel rotates to drive a roasting assembly to move; therefore, the carbon product is uniformly roasted at high temperature under the action of the moving loading plate and the fuel gas nozzle which reciprocates left and right, so that the roasting effect on the carbon product is improved.

The invention discloses a calcining process method of petroleum coke, and relates to the technical field of carbon product preparation, and the calcining process method comprises the following steps: S1, crushing petroleum coke, adding red mud microspheres, mixing, ball-milling, drying, and sieving to obtain pretreated petroleum coke; s2, adding a porous cerium-doped nano iron oxide desulfurizer into the pretreated petroleum coke, and uniformly mixing to obtain a mixture to be calcined; s3, transferring the to-be-calcined mixture into a tubular furnace, heating in a nitrogen atmosphere, raising the temperature to 750-850 DEG C, and keeping the temperature for 1-2 hours to obtain desulfurized petroleum coke; naturally cooling, taking out, washing with a hydrochloric acid solution, washing with deionized water until the mixture is neutral, and carrying out suction filtration and drying; and S4, calcining the dried desulfurized petroleum coke at 900-1200 DEG C for 3-5 hours to obtain the calcined petroleum coke. According to the calcining process provided by the invention, the desulfurization rate of the petroleum coke can be effectively improved, and the calcined petroleum coke with low ash, low sulfur and high density is obtained.

The utility model relates to the technical field of carbon products, and provides a high-temperature electric furnace for graphitizing carbon products, which comprises a main body assembly, a heating assembly, a heating assembly and a heating assembly, the moving piece comprises a sliding block connected below the connecting box in a sleeving mode. The movable part comprises two sets of connecting ropes connected to the lower portion of the sliding block, a containing box arranged between the lower portions of the connecting ropes, and two sets of rolling wheels connected to the bottom face of the containing box in a sleeving mode. The problems that in the prior art, high-temperature electric furnace equipment is generally transversely placed, the longitudinal depth in an electric furnace is large, after carbon products are placed in the electric furnace and fired, the carbon products close to an opening of the electric furnace are convenient to take out, but carbon extending out of the interior of the electric furnace needs to be taken out through other external tools, and the carbon products cannot be taken out easily are solved. Therefore, the problem is solved.

The invention provides a carbon product electric roasting furnace, a building method and system, a carbon product and a carbon graphite product. The carbon product electric roasting furnace comprises a furnace end area which comprises a head conductive electrode; the furnace tail area comprises a tail conductive electrode; the furnace body area is positioned between the furnace head area and the furnace tail area; the furnace top area is located above the furnace body area, the furnace top area comprises a furnace cover, the furnace cover is provided with a lower surface facing the furnace body area, and the ratio of the weight of the furnace cover to the area of the lower surface ranges from 2 tons / m < 2 > to 6 tons / m < 2 >; and the electrical device is suitable for supplying power to the furnace body area through the head conductive electrode and the tail conductive electrode. According to the carbon product electric roasting scheme, the roasting yield of the carbon product can be greatly improved, and the roasting quality of the product is improved and stabilized.

The invention relates generally to a process for the preparation of a carbon product having a high degree of graphitization, comprising the steps of contacting a carbohydrate containing starting material with a molten salt wherein the molten salt comprises one or more hydrated salts selected from the group consisting of ZnCl2, MnCl2, FeCl3, AlCl3, MgCl2, CaCl2 and SbCl2 and carbonising the carbon containing starting material in mixture with the molten salt to form a carbon product by heating at temperatures between 100 and 300°C in a closed reactor system in an atmosphere free of oxygen (O2), forming the carbon product having a degree of graphitization DOG of at least 45% and separating the carbon product from the molten salt. The invention also relates to the carbon product obtainable by the process and to uses of the carbon product.

The application relates to a reactor and a method for producing a solid carbon product by a chemical reaction. The reactor comprises a catalyst, at least one inlet for supplying a reactant into the reactor, at least one outlet for discharging the product, and at least one magnetic or electromagnetic device and / or electric means to provide movement of the catalyst in the reactor.

The utility model provides a material pressing cylinder forming assembly, and belongs to the technical field of columnar carbon forming. Which comprises a cylinder body, a pressing rod and a mold mounting cavity, and a carbon powder sealing device arranged at the top of the mold mounting cavity and comprises an outer layer arranged at the top of the mold mounting cavity; the inner layer is arranged in the outer layer; and the plurality of placing grooves are formed in the outer layer and are distributed in a circumferential manner. By arranging the heating module and the heating ring block, when the carbon powder is extruded and formed, the carbon powder can be heated and dried, so that the situation that the wet carbon powder is hung on the wall and adhered in the mold when being extruded and formed is avoided, the situation that columnar carbon or chippings fall off from the bottom is reduced, the pyrolysis rate of the carbon powder is increased, and the production efficiency is improved. And the uniformity of the internal structure of the columnar carbon finished product is ensured.