393 results about "Chemical reactor" patented technology

The invention discloses a double-medium thermochemical energy storage system and method. The double-medium thermochemical energy storage system comprises a first regulating valve, a gas storage tank, a thermochemical reactor, a fan, a steam pocket, a water feeding pump and a circulating water pump, the first regulating valve is communicated with an inlet of the gas storage tank through the fan and the electric heater, an outlet of the gas storage tank is communicated with an inlet of a heat exchange tube in the thermochemical reactor, an outlet of the heat exchange tube in the thermochemical reactor is divided into two paths, one path is communicated with an inlet of the fan, and the other path is communicated with a shell side inlet of the steam pocket; a bottom outlet on the shell side of the steam drum is communicated with an inlet of the circulating water pump after being combined with an outlet of the water feeding pump through a pipeline, an outlet of the circulating water pump is communicated with an inlet of a heat exchange pipe in the thermal chemical reactor, a shell side outlet of the thermal chemical reactor is communicated with the pipe side of the steam drum, and a pipe side inlet of the thermal chemical reactor is communicated with a drainage pipe. According to the system and the method, the heat exchange efficiency of the thermochemical reactor can be improved.

The invention discloses a deep learning and automatic control chemical reactor and a resource recovery method, and relates to the technical field of hydrometallurgy, and the deep learning and automatic control chemical reactor comprises a chemical reactor, a motor, a heating device, a monitoring device, a data center and a PLC control system. Based on a PLC control system, a Transform-LSTM time sequence prediction model is integrated, so that real-time monitoring of parameters such as mixed liquid temperature, reaction chamber pressure, mixed liquid viscosity, conductivity and the like in a wet leaching reaction process can be realized; and the heating power of the heating device, the rotating speed of the motor, the raw material adding amount of the feeding port, the mixed material discharging time of the discharging port and the air displacement of the air exhaust port can be automatically and accurately controlled. The problems that stirring efficiency is low, parameter regulation and control are lagged, and manual experience is relied on are solved, through a predictive control strategy, the real-time monitoring and dynamic regulation level is remarkably improved, the wet leaching process is optimized, energy consumption is reduced, the high-grade metal leaching efficiency is improved, and the method is suitable for various wet metallurgy processes.

The invention relates to the technical field of intelligent control of chemical reactors, and discloses an intelligent temperature control system for a step-by-step catalytic cracking reactor, which comprises a temperature field modeling module, a sensor configuration module, an index definition module, a control execution module, an analysis and diagnosis module and the like. The temperature field modeling module constructs a standard temperature field distribution model through infrared thermal imaging and generates virtual temperature points; the sensor configuration module is used for arranging a real temperature point and acquiring a temperature gradient and a temperature point missing rate; the index definition module sets a preset temperature index based on the thermodynamic parameters; the control execution module realizes steady state, dynamic response, heat balance and composite regulation and control; and the analysis and diagnosis module carries out fault tracing on the target which does not pass regulation and control and adjusts a strategy. The system further comprises a data acquisition module and a communication interface module, so that data storage and external communication are realized. The method improves the temperature control precision and the system self-adaption capability, and is suitable for the complex temperature control scene of the catalytic cracking reaction.

The invention relates to the technical field of chemical reactors, in particular to a quench cooling system and method for a fixed bed reactor, and the system comprises temperature sensor array units which are distributed on each bed layer of the reactor and are used for collecting temperature data in real time; the intelligent control unit is connected with the temperature sensor array unit, receives the temperature data and sends a control instruction based on a preset algorithm, the flow regulating valve group unit and the heat exchanger unit; the flow regulating valve group unit is arranged on a cold shock gas pipeline and is used for accurately regulating and controlling the flow and the flow direction of the cold shock gas according to an instruction of the intelligent control unit; and the heat exchanger unit is connected with the quench gas pipeline and the raw material pre-heater and is used for recovering the waste heat of the quench gas for heat reutilization. According to the invention, strict temperature threshold control effectively prevents catalyst deactivation and temperature runaway caused by too high temperature, prolongs the service life of the catalyst, reduces production loss caused by failure shutdown of the reactor, and improves continuity and stability of production.

The invention relates to the technical field of chemical reactors, in particular to a modular chemical reactor. Comprising a middle shell and conical shells fixedly connected with the two ends of the middle shell. The end part of the conical shell is fixedly connected with a flange; the inner walls of the left and right ends of the middle shell are connected with baffle plates; a reaction tube and a central column penetrate through the space between the two baffle plates; the left baffle disc is fixedly connected with the reaction tube and the central column, and the right baffle disc is movably and hermetically connected with the outer wall of the reaction tube, the outer wall of the central column and the inner wall of the middle shell; a left groove is formed in the left portion in the middle shell. A movable groove communicated with the left groove is formed in the right position of the inner wall of the middle shell; the length of the shell pass is changed by adjusting the distance between the two baffle plates, so that the chemical reactor can meet the reaction requirements of different products, and the application range is wide.

A system utilizes an electrochemical reactor to convert salt into acid and base products. The salt is sourced from seawater, brine or another aqueous salt feedstock solution that typically also includes divalent ions. A small (slipstream) portion of the base product generated by the electrochemical reactor is fed back to a chemical precipitator where it is utilized to increase a pH level of the aqueous salt feedstock solution above a precipitation level of at least some the divalent ions, thereby causing precipitation of the divalent ions into insoluble solids. The insoluble solids are then filtered or otherwise separated / removed from the remaining supernatant solution (i.e., the aqueous salt / base solution formed by a mixture of the residual aqueous salt feedstock solution and base product). The supernatant solution is then supplied to the electrochemical reactor for conversion of its salt into additional acid and base product.

The invention belongs to the technical field of recycling of waste wind power blades and preparation of regenerated boards, and discloses a regenerated board highly filled with modified waste wind power blade powder and a preparation method of the regenerated board. The preparation method comprises the following steps: crushing a waste wind power blade product, and then adding the crushed waste wind power blade product into a millstone-shaped solid-phase mechanochemical reactor for grinding and crushing; the collected wind power blade powder is modified by selectively utilizing a silane coupling agent KH560, and a PMDI adhesive is matched and selectively used for blending a mold and pressing a plate. Under the condition of the specific combined treatment process, 90 wt% ultrahigh filling of the waste wind turbine blade powder can be achieved, the mechanical property of the prepared regenerated board is effectively improved, the regenerated board has good compactness, mechanical property and hardness, the performance greatly exceeds that of a traditional artificial board product, the technical requirements of formaldehyde-free environment-friendly materials are met, and the regenerated board is suitable for industrial production. And a new way is provided for large-scale recycling of the retired wind power blades.

The invention discloses a chemical reaction kettle capable of preventing materials from adhering to the inner wall of the reaction kettle, which comprises a reaction kettle body, a kettle cover is detachably mounted on the reaction kettle body, a feeding pipe is fixedly mounted on the kettle cover, a pipe cover is detachably connected to the feeding pipe, a pressure gauge is fixedly mounted on the kettle cover, and the pressure gauge is detachably connected to the pipe cover. A discharging pipe is fixedly connected to the bottom of the reaction kettle body, an electromagnetic valve is fixedly mounted on the discharging pipe, a mounting frame is fixedly connected to the kettle cover, a driving motor is fixedly mounted on the mounting frame, a rotating shaft is coaxially and fixedly connected to a driving shaft of the driving motor, and the rotating shaft is rotatably mounted in the reaction kettle body; and a mounting disc is fixedly mounted outside the rotating shaft. According to the reaction kettle disclosed by the invention, the flow direction of the stirred material is controlled, so that the material adhered to the inner wall of the reaction kettle body is reduced, the material adhered to the inner wall of the reaction kettle body is scraped, the reaction rate and the product quality are improved, and the cleaning and maintenance cost is reduced.

An embodiment represents composition of molecules in a feedstock as a combination of individual molecule representations and molecular attribute representations. A representation of chemistry of a chemical reaction of the feedstock in a chemical reactor is then formulated based on the representations. Then, a simulation of the chemical reaction of the feedstock in the reactor is performed using the representations to determine composition of products of the reaction. A first subset of the products are represented as individual molecule represented products, and a second subset of the products are represented as attribute represented products. In turn, the attribute represented products of the second subset are sampled to determine individual molecule representations of the attribute represented products. As a consequence of the sampling, individual molecule representations of the first and second subsets of the products of the chemical reaction of the feedstock in the chemical reactor result.

The invention provides a synthetic method of 2-fluoroacrylic acid. Relates to the technical field of 2-fluoroacrylic acid synthesis. The method comprises the following steps: S1, taking 2-fluoropropionic acid as a raw material, specifically an oxidation method; reagents: 2-fluoropropionic acid, an oxidizing agent, a catalyst and an organic solvent; instruments comprise a reaction container, a reflux condensation pipe, a stirring device, a thermometer and a heating device. 2-fluoropropionic acid is selected as a raw material, an appropriate reaction container is selected, a chemical reaction kettle can be preferentially selected as the reaction container, in the process of adding a toxic or irritant reagent, inert gas is added to protect the reagent in the process of adding the reagent again, it is guaranteed that the reagent is safer when entering the reaction kettle, and the reaction is more stable. The inert gas (specifically preferably nitrogen and the like) is mixed with the reagent to enter in a linkage integrated manner in the adding process, so that the stability of the reagent during passing can be well ensured, the density of the reagent can be reduced, and reaction is not easy to form.

The utility model relates to the technical field of reaction kettles, and discloses a chemical reaction kettle with a vertical structure, which comprises a kettle body, a kettle cover, a stirring shaft and two stirring components, the kettle cover is fixedly mounted at the top of the kettle body, the stirring shaft is rotatably mounted in the kettle cover, and the two stirring components are fixedly mounted on the stirring shaft; according to the utility model, the plug board can be unlocked by pressing the button to separate the limiting rod from the limiting hole, the movable clamping plate slides to drive the plug board to slide out of the slot, and the movable clamping plate is rotated to be far away from the stirring paddle, so that the stirring paddle can be unlocked, after the stirring paddle is taken down, a new stirring paddle is attached to the mounting groove, and the movable clamping plate is rotated to be attached to the stirring paddle; the button is pressed again, the movable clamping plate slides to enable the inserting plate to be inserted into the inserting groove, then the button is loosened, the limiting rod can enter the limiting hole under pushing of the spring at the moment, the inserting plate and the stirring paddle are locked, the bolt dismounting work is simplified into the mode that the button is pressed and the movable clamping plate is moved, time and labor are saved, and the replacement efficiency can be improved.

The invention belongs to the field of chemical reaction equipment, and discloses a triple enhanced flow field structure for enhancing a micro-flow field reaction process, which comprises a channel shell and a flow field structure arranged in a channel, the channel shell comprises a mixing channel, an outlet and at least two inlet channels, all the channels are circular through holes, and the flow field structure is arranged in the mixing channel. The flow field structure is formed by sequentially and alternately arranging and combining first flow field structures and second flow field structures, at least two reaction fluids enter the mixing channel through the inlet channel to be mixed, and the mixed fluid flows out through the outlet. The invention provides a safe, efficient and easy-to-amplify micro-flow field chemical reactor, and provides a universal solution for industrial processes such as nano-emulsion preparation, heterogeneous catalytic reaction, drug-loaded microsphere preparation and the like.

The present invention discloses an intelligent temperature control system for an intelligent reactor and its control process. The key technical aspects of the system are: a central processing unit (CPU); a temperature monitoring module connected to the CPU via an I2C interface for acquiring real-time temperatures inside and outside the chemical reactor, thereby transmitting external and internal temperature signals to the CPU; and a temperature regulation module coupled to the CPU via a drive circuit. The system utilizes a small, high-power AC relay connected to a semiconductor refrigeration unit and a heater to maintain a circuit break during heating, preventing instability caused by simultaneous heating or cooling. During signal transmission, the system also incorporates a single-channel output transistor coupler, which, through coupling, achieves electrical isolation and interference resistance, thereby improving control accuracy.

The present invention relates to the field of semiconductor manufacturing technology, and specifically to a single crystal silicon sample etching device, comprising a chemical reactor, a chemical reaction tank provided on one side of the chemical reactor, a fixture provided above the chemical reaction tank, a control mechanism provided on the chemical reactor for controlling the raising and lowering of the fixture, two rotating rods provided on the fixture for circumferential rotation or axial sliding, and a plurality of supports for placing crystals mounted on the outer surfaces of the two rotating rods. The beneficial effects of the present invention are as follows: utilizing the two rotating rods to control a plurality of crystals to simultaneously swing back and forth and slide back and forth, firstly, facilitating the accurate placement or removal of crystals, and secondly, greatly increasing the contact area and frequency between the crystal surface and the chemical etchant, thereby allowing two adjacent crystals to press liquid toward each other, accelerating the etching rate, and also promoting the automatic detachment of small bubbles attached to the crystal surface.

The invention belongs to the field of thermochemical energy storage, and discloses a thermochemical energy storage device based on inductive heating and an operation method thereof, the thermochemical energy storage device comprises a thermochemical reactor, an inductive heating reaction module and an inductive coil; an inner cavity of the thermal chemical reactor is sequentially divided into a preheating section, an inductance heating section and a cooling section from top to bottom, and the inductance heating reaction module is vertically arranged in the inductance heating section; the inductive heating reaction module comprises a plurality of annular cylinders and a steam inlet and outlet pipe, and the annular cylinders are coaxially arranged and sleeved at intervals; a heat exchange working medium channel is formed between every two adjacent annular cylinders; each annular cylinder body comprises a metal inner cylinder and a metal outer cylinder which are coaxial and sleeved at an interval, and an annular material channel is formed between the metal inner cylinder and the metal outer cylinder; the steam inlet and outlet pipes are vertically arranged in the annular material channel and are annularly distributed at intervals; the inductance coil is wound on the outer side of the thermal chemical reactor and is arranged in the area range of the inductance heating section; the rapid and uniform heating requirement in the thermochemical energy storage process is met.

This utility model provides a chemical reactor with waste heat recovery function, including a reactor, a stirring device installed inside the reactor, and a waste heat recovery device installed outside the reactor. The stirring device includes a rotating shaft and multiple sets of stirring rods. The multiple sets of stirring rods are connected to the rotating shaft through a detachable structure. The detachable structure includes an mounting groove equally spaced at the top of the rotating shaft, and a mounting block matching the mounting groove is provided on one side of each set of stirring rods. A limiting plate is rotatably fitted on the outer wall of the top of the rotating shaft. The detachable design of the stirring rods in this utility model improves maintenance convenience: through the cooperation of the mounting groove, mounting block, limiting plate, and disassembly groove, the stirring rods can be quickly disassembled and assembled from the rotating shaft. When it is necessary to replace different types (such as turbine type, paddle type) of stirring rods or to perform maintenance, the disassembly groove can be aligned with the mounting groove by rotating the limiting plate, making it easy to remove or install the stirring rods, reducing the complexity of maintenance operations.

This document describes an electrode for the electrochemical decontamination of a liquid or a liquid-containing mixture. The electrode has a coating designed to promote the electrochemical decomposition of a contaminant. Furthermore, an electrochemical reactor is provided, also designed for the electrochemical decontamination of a liquid or a liquid-containing mixture. The reactor includes a first electrode, which can be operated as an anode and is designed to promote the electrochemical decomposition of a contaminant. The reactor and the electrode are configured such that the liquid or liquid-containing mixture flows past the electrode and comes into contact with at least a portion of its surface.

The invention relates to an improved process for the manufacture of a fluorinated organic compound, wherein the process comprises a fluorination reaction of an organic precursor compound having at least one chlorine substituent and / or at least one double bond, and said organic precursor compound is reacted in liquid phase in HF (hydrogen fluoride) serving as solvent and fluorinating agent in the presence of a fluorinating catalyst, and wherein the fluorination reaction is performed in liquid phase in a SiC block chemical reactor, and wherein the reaction mixture is withdrawn from SiC block chemical reactor, and wherein the process comprises optionally isolating and / or purifying the targeted fluorinated organic compound.

The utility model relates to the technical field of chemical reaction vessels, in particular to a constant-temperature heating reaction bottle. The constant-temperature heating reaction bottle comprises an outer bottle body and an inner bottle body inserted into the outer bottle body, a temperature control pipe is installed in the middle of the outer bottle body, a concave part matched with the temperature control pipe in a clamped mode is integrally formed in the middle of the inner bottle body, an inner glass coil pipe is arranged in the temperature control pipe, an outer glass coil pipe is arranged in an inner cavity of the outer bottle body, and the inner glass coil pipe is connected with the outer bottle body in a clamped mode. The liquid outlet end of the outer glass coil pipe is communicated with the liquid inlet end of the inner glass coil pipe, and a heating assembly is installed in the temperature control pipe. The constant-temperature heating reaction bottle provided by the utility model has the advantage of simple structure.

There is described a filtration apparatus for reducing contaminants in a feed stream, the apparatus comprising (a) a vessel; and (b) a plurality of filtration members arranged within the vessel. Filtration members (b) each comprise (i) at least 10 channels extending through the filtration member from a first face of the filtration member to a second face of the filtration member, and (ii) a mean average channel diameter of up to 2,500 um. At least 60% of filtration members (b), by total volume of filtration members (b), have an external diameter that is within 10% of the combined mean average external diameter of filtration members (b). Filtration members (b) comprise a first fraction of filtration members and a second fraction of filtration members. The filtration members of the first fraction each comprise a larger mean average channel diameter than the filtration members of the second fraction.

The present invention discloses a method for an electrocatalytic production of formic acid in a single-chamber electrolysis system, belonging to the field of electrocatalysis. The cathode electrode and the anode electrode of the present invention are arranged in the single-chamber electrolysis system. The anode electrode is a self-supporting electrode loaded with a nickel-based layered double hydroxide catalyst, and the cathode electrode is a gas diffusion electrode sprayed with a copper-based, bismuth-based, tin-based or indium-based metal or alloy catalyst. In the examples provided by the present invention, a nickel foam electrode with electrochemically activated surface-grown NiV layered double hydroxide is used as the anode electrode for catalyzing the oxidation of glycerol to produce formic acid, and conductive carbon black loaded with Bi nanoparticles is sprayed onto the gas diffusion electrode as the cathode electrode for catalyzing the electrochemical reduction of CO2 to produce formic acid. The present invention realizes the simultaneous production of formic acid at the cathode and the anode in the single-chamber electrolysis system, greatly improves the energy efficiency of formic acid production, reduces the cost of the electrochemical reactor, and improves the stability of the reaction device. The scaled-up single-chamber electrolysis system provides a new idea for the industrial-scale production of formic acid.

This invention relates to a catalytically active or activatable mixture for use in a chemical reactor, comprising: (i) a shaped catalyst body containing a catalytically active or activatable material, and (ii) a conductor, wherein the shaped catalyst body has a characteristic diameter d. cat With the diameter d of these conductors con The ratio between (d) cat / d con The value is in the range of 1.5 to 3, and these shaped catalyst bodies have a characteristic diameter d in the range of 1 mm to 50 mm. cat Furthermore, the diameter of the unformed conductor is the average diameter determined by sieving according to DIN 66165, and the characteristic diameters of the formed catalyst body and the formed conductor are defined as the diameter d of the circumscribed sphere surrounding the formed body. css The sphericity Ψ of the convex hull of the molded body ch The product of the two. The invention further relates to a method for preparing the catalytically active or activatable mixture, the use of the catalytically active or activatable mixture in a chemical reactor as part of or as a directly electrically heated catalyst bed, and a chemical reactor for carrying out a chemical reaction, the chemical reactor containing or comprising the catalytically active or activatable mixture. The invention further relates to a method for carrying out a chemical reaction catalyzed by a shaped catalyst body of the catalytically active or activatable mixture.

The invention discloses a vortex channel hydrogen storage reactor of a fluid streaming gradual change hydrogen storage tank unit, and belongs to the field of chemical reactor design. The whole reactor is a cylindrical shell, a heat exchange fluid inlet is formed in the center of the upper side of the shell, a hydrogen inlet is formed in a left end shell cover, and a heat exchange fluid outlet is formed in a right end shell cover; the heat exchange fluid channel is in a vortex shape, the multiple hydrogen storage tank units are sequentially arranged in the center of a flow channel of the vortex channel, and the diameter of the hydrogen storage tank is evenly reduced from the shell to the center position. Hydrogen enters the bed layer through a hydrogen pipe in the hydrogen storage tank and reacts with the metal hydride; meanwhile, the heat exchange fluid in the vortex channel flows around the hydrogen storage tank unit in the axial direction for heat exchange and then flows out through an outlet; the hydrogen storage tank has the advantages of excellent heat and mass transfer performance, uniform bed temperature of the hydrogen storage tank, small pressure-bearing stress of the tank body, synchronous reaction process of each hydrogen storage tank, high reliability and long service life, and is suitable for hydrogenation / dehydrogenation reaction of metal hydride with high hydrogen storage capacity requirement and larger reaction heat effect.

Chemical plant for the treatment of H2S comprising: a first unit (A) for decontaminating a gaseous process / feed stream contaminated by H2S (A1) and obtaining a first gaseous waste stream (A2) containing the separated H2S and a gaseous decontaminated process / feed stream (A3), a second unit (B) for recovering elemental sulphur from H2S and obtaining a second liquid stream of elemental sulphur (B3) and a final gaseous stream containing H2O (B2), a third unit for recovering H2 from H2S, wherein said third unit sequentially comprises a second line (2) in fluid communication with the first line (1), which is detached from said first line (1), to convey at least in part said first gaseous waste stream (A2), a chemical reactor (R) for heating and decomposing at high temperature the H2S according to the endothermic reaction (I), resulting in a gaseous H2-enriched stream, at least one heat exchanger (E) to cool said H2-enriched stream and to condense the elemental sulphur, a first separator (S1) for separating said condensed elemental sulphur from said H2-enriched stream, forming a first liquid stream of elemental sulphur, a fifth line (5) for conveying said gaseous H2-enriched stream exiting said first separator (S1) a sixth line (6) for conveying said first liquid stream leaving said first separator (S1), and wherein said third unit forms a loop circuit with a portion of said first line (1) or with a portion of said first line (1) and said first unit (A).

A power-to-X system having an electrolyzer and an energy converter which are connected together via a hydrogen line. The system additionally has a chemical reactor for catalytically removing oxygen, a first heat exchanger, a water separator, a store, and a humidifier which are connected into the hydrogen line in the stated order one behind the other between the electrolyzer and the energy converter. A second heat exchanger is arranged in the hydrogen line such that a first side of the second heat exchanger is arranged in front of the first heat exchanger and a second side of the second heat exchanger is arranged downstream of the water separator in the hydrogen line.

The present invention relates to a fixed bed electrochemical reactor comprising at least a first volume electrode, preferably based on biobased carbon, and a separator configured to separate the first volume electrode from a second surface or volume electrode and to ensure compression at least on said first volume electrode, to the use thereof in various applications such as removing pollutants from a liquid medium comprising at least one organic pollutant, disinfecting water by electrochlorination, water electrolysis, seawater desalination, energy storage (e.g. as redox flow battery or supercapacitor), or the generation of electric power from osmotic power, and to a method for removing pollutants from a liquid medium comprising at least one organic pollutant used in said reactor.

The invention relates to a green synthesis method of 2, 4-dicumyl phenol. The invention belongs to the field of synthesis of medical intermediates. The invention aims to solve the technical problems that the raw materials are non-renewable, thermal runaway is easily caused by high-temperature reaction, the energy consumption is high and the content of 3-substituted by-products is relatively high in the existing synthesis method of 2, 4-dicumyl phenol. The method comprises the following steps: adding vanillin into an electrolyte, and carrying out electrochemical deoxidation in a proton exchange membrane electrolytic cell by taking a titanium-based DSA electrode as an anode to obtain o-methoxyphenol; according to the method, o-methoxyphenol and cumene are subjected to a free radical coupling reaction in a flowing electrochemical reactor in the presence of a homogeneous electron transfer catalyst by taking a titanium-based DSA electrode as an anode, and high-purity 2, 4-dicumyl phenol is obtained through extraction and distillation after the reaction is finished. According to the method, the raw materials are 100% renewable, strong acid and high temperature are avoided, hazardous waste emission is avoided, few trisubstituted by-products are generated, and industrial production can be carried out.

The invention relates to the technical field of solid oxide electrolytic cells, and discloses an electrochemical reactor, application thereof, a method for preparing ethylene / carbon monoxide through methane / carbon dioxide electrochemical reforming and a catalyst. Wherein the electrochemical reactor comprises an anode, a cathode and an electrolyte layer arranged between the anode and the cathode, the anode comprises an anode carrier and an anode catalyst attached to the anode carrier, and the cathode comprises a cathode carrier and a cathode catalyst attached to the cathode carrier; the main components of the anode carrier and the cathode carrier are yttria-stabilized zirconium oxide, and the micro-channel structure is characterized in that the anode carrier and the cathode carrier are respectively provided with a micro-channel structure. The electrochemical reactor has the effects of improving Faraday efficiency, methane conversion rate and C2 and ethylene selectivity and reducing over-oxidation products CO and CO2 generated by an anode in a method for preparing ethylene / carbon monoxide through methane / carbon dioxide electrochemical reforming.

This invention discloses a chemical reactor experimental teaching aid, including a support base (1), a reactor (2) positioned above the support base (1) in the middle; a fixing device (11) on both sides of the support base (1) for fixing the reactor (2); a driving device (3) for driving a stirring and cleaning integrated device (5); the stirring and cleaning integrated device (5) includes a rotating shaft (51) connected to the driving shaft of the driving device (3), a cleaning device (54) connected to the bottom of the rotating shaft (51), and a supporting sleeve (53) provided outside the rotating shaft (51). The supporting sleeve (53) has an inverted T-shaped structure, and the bottom of the supporting sleeve (53) has a groove structure to cover and wrap the cleaning device (54); the top of the supporting sleeve (53) is provided with a buckle (14) for filling the gap between the driving device (3) and the top of the supporting sleeve (53). This invention realizes the application of teaching experimental teaching aids in different scenarios by setting a stirring and cleaning integrated device in the reactor, so that the cleaning and stirring operations of the experimental teaching aids can be quickly realized through the same device.