16 results about "Multiphase reactor" patented technology

The present application relates to a multiphase reactor. The multiphase reactor comprises: a reactor housing in which a reaction cavity is formed, wherein the reactor housing is provided with a second material inlet pipe and first material inlet pipes communicated with the reaction cavity, and the first material inlet pipes are used for conveying a first material to the reaction cavity; a gas distributor located in the reaction cavity, wherein the second material inlet pipe is communicated with the gas distributor, and a second material conveyed by the second material inlet pipe is conveyed to the reaction cavity by means of the gas distributor; and flow guide cylinders located in the reaction cavity, wherein a plurality of ventilation parts are arranged on each flow guide cylinder in the circumferential direction of the reactor housing, and the flow guide cylinders are used for axial drainage and radial cutting in the reaction cavity. The present application solves the technical problems that the reaction efficiency is affected and the material consumption is increased due to uneven distribution of a temperature field and a reaction field in multiphase reactors.

The invention refers to an oxidation-reduction system configured for water or wastewater treatment by removal of organic and inorganic pollutants comprising a catalytic oxidation multiphase reactor (1) in series with a catalytic reduction multiphase reactor (6), wherein at least one catalytic bed (2,7) comprises a macrostructured catalyst. The invention also refers to a catalyst for heterogeneous catalytic ozonation and / or for heterogeneous catalytic reduction comprising an active component selected from a group consisting of a metal, a metal oxide, or a carbon-based material supported on a macrostructured catalyst. The combined processes (catalytic ozonation and reduction) are able to remove emerging organic and inorganic (micro)pollutants more efficiently, promoting not only the degradation and ultimately mineralization of organic pollutants, but also the transformation of resulting inorganic subproducts into non-harmful substances.

The utility model relates to the technical field of reactors, in particular to a continuous multiphase reactor for anthraquinone nitration reaction, which comprises a reactor shell with a reaction cavity, a plurality of partition plates are arranged in the reactor, and the partition plates sequentially divide the reaction cavity into a first reaction area, a second reaction area, a settling area and a separation area from top to bottom. A valve is mounted on the partition plate; a first feeding hole for anthracene to pass through, a second feeding hole for sulfuric acid to pass through, a third feeding hole for nitric acid to pass through and a water inlet for a water solution to pass through are formed in the shell, and a first reaction zone, a second reaction zone, a settling zone and a separation zone are arranged in the shell of the reactor; the production of nitroquinone can be completed in one reactor, the integration degree is improved, the occupied space of equipment is reduced, and material circulation is avoided, so that the production efficiency is improved.

The utility model discloses a multiphase reactor for color sand synthesis, which comprises a processing cylinder, a plurality of processing cavities are arranged in the processing cylinder, a first processing component is arranged in one processing cavity, a second processing component is arranged in the other processing cavity, and the first processing component and the second processing component are arranged in the processing cylinder. One end of the second treatment assembly is connected with one end of the first treatment assembly, a controller is arranged on the outer wall of the treatment barrel, and through cooperative work of the first treatment assembly and the second treatment assembly, the multi-phase synthesis efficiency and the product quality are effectively improved; the structure of a heating pipe and a diffusion cavity in the first treatment assembly optimizes heat transfer, the problem of local overheating is avoided, the color stability is ensured, in addition, the filtering and heat dissipation effects after synthesis are further improved through a filtering plate and a treatment plate of the second treatment assembly, finally, high-quality output of color sand products is ensured, and the production efficiency is improved. The overall efficiency of color sand synthesis and the quality of finished products are greatly improved.

The invention discloses a continuous production process of dimethyl sulfoxide, which comprises a hydrogen peroxide storage tank, a mass flow meter, a delivery pump, a micro-channel reactor, a dimethyl sulfide storage tank, a flow self-control valve, a thermometer, a pressure gauge, a cold and hot all-in-one machine, a sampling port, a multi-phase reactor, a liquid level meter, a phase splitter, an electromagnetic valve, a dimethyl sulfoxide storage tank and a water phase storage tank. Outlets of the hydrogen peroxide storage tank and the dimethyl sulfide storage tank are respectively connected to a micro-channel reactor through a mass flow meter and a delivery pump, an outlet of the micro-channel reactor is connected to a multi-phase reactor, the micro-channel reactor and the multi-phase reactor are respectively connected to a cold and hot all-in-one machine, the multi-phase reactor is connected to a phase splitter, and the phase splitter is connected to a hot and cold all-in-one machine. And the phase splitter is respectively connected to a dimethyl sulfoxide storage tank and a water phase storage tank. According to the invention, the continuous production of dimethyl sulfoxide can be realized, the problems of low production efficiency and high production cost in the existing dimethyl sulfoxide production process are solved, and the production safety is ensured.

The utility model provides an electric field driven liquid-liquid multiphase reactor based on a fluidized bed. The electric field driven liquid-liquid multiphase reactor comprises a reactor body, a mesh partition plate, inert particles, a first electrode, a second electrode and a controller, the mesh partition plate is mounted at the lower part of the reactor body, a cavity above the mesh partition plate in the reactor body is a reaction area, and the inert particles are distributed in the reaction area. The first electrode and the second electrode are respectively arranged on two sides of the inner wall of the reactor body, are positioned in the upper reaction area, and are respectively and electrically connected with the positive electrode and the negative electrode of the high-voltage power supply. And the high-voltage power supply is connected with the controller. According to the utility model, electric field force is utilized to apply acting force to charged liquid drops, the liquid drops are driven to generate violent collision and shearing action in the fluidized bed, and mass transfer and reaction between liquid and liquid are promoted. Meanwhile, the electric field force can also control the movement of the liquid drops, so that the reaction process is strengthened and controlled.

The utility model provides an intrusive probe reflector which comprises a reflector supporting assembly, the reflector supporting assembly comprises a supporting framework, the two ends of the supporting framework are independently connected with a reflector bearing part and a probe entering part respectively, and a reflector is arranged on the inner side of the reflector bearing part; a first clamping sleeve and a second clamping sleeve which are not in contact with each other are arranged outside the reflector supporting assembly in a sleeving mode, and openings are independently formed in the side walls of the first clamping sleeve and the second clamping sleeve respectively. The intrusive probe reflector can solve the phenomenon of large amount of decoking caused by short depth of field in the prior art, so that the definition of shooting and the accuracy of measurement in a multiphase reactor are improved.

The invention discloses a multi-channel multi-phase rapid high-throughput formula screening method, which relates to the technical field of formula screening, and comprises the following steps: preparing reagents of different substance phases needing to be formulated, adding different reagents into each channel of a multi-phase reactor according to a preset formula ratio, after the reagents are added, mixing and stirring operations are performed; a multi-phase reactor is used for simulating a complex environment related to a plurality of different substance phases in an experiment; the method comprises the following steps: acquiring multiple items of data information, including static setting stability information and dynamic information, when the multiphase reactor simulates a plurality of different substance phase complex environments, and processing and comprehensively analyzing the static setting stability information and the dynamic information when the multiphase reactor simulates the plurality of different substance phase complex environments. By establishing a dynamic anomaly monitoring mechanism, the multiphase reactor simulates a plurality of complex environments with different substance phases for real-time monitoring, so that the system can detect the abnormal hidden danger condition of the multiphase reactor in time in the experiment process.

The invention relates to the technical field of organic synthesis, and specifically discloses a device for continuously preparing dimethyl sulfoxide and a preparation method thereof. The device comprises: a methyl sulfide synthesis reactor, a methyl sulfide distillation tower, a methyl sulfide buffer tank, a microreactor, a multiphase reactor, a flash tank, a dimethyl sulfoxide crude removal tower and a dimethyl sulfoxide distillation feed pump which are sequentially connected and arranged, and a nitrogen heating unit and a molten salt heating unit are arranged on the methyl sulfide synthesis reactor; the device for continuously preparing dimethyl sulfoxide and the preparation method thereof, by rotating a catalytic cylinder in the methyl sulfide synthesis reactor, the catalyst can continuously change its position, thereby increasing the contact area with the reactant, and when the catalytic cylinder is rotating, the catalyst is flipped up and down by a lifting mechanism, and compared with the heating of the catalyst at a fixed position, the heating of the catalyst during flipping can reduce the heating efficiency of the catalyst, thereby preventing the catalyst from being heated too quickly and reducing its activity.

The disclosure provides a method of producing hydrogen. The method comprises conducting a thermochemical reaction by contacting an active reagent and a basic aqueous solution, to thereby cause water from the basic aqueous solution to react with the active reagent and to produce hydrogen and a basic aqueous solution comprising an oxidised product. The method further comprises disposing the basic aqueous solution comprising the oxidised product in an electrochemical cell comprising an anode and a cathode, such that at least a portion of the cathode contacts the solution; and conducting an electrochemical reaction by applying a voltage across the anode and the cathode to produce hydrogen, oxygen and the active reagent. The active reagent comprises a metal or metal ion in a first oxidation state and the oxidised product comprises the metal or metal ion in a second oxidation state which is higher than the first oxidation state.

This invention discloses an intelligent simulation and computation method for complex chemical reactions. Combining multimodal data fusion, deep learning models, and physically constrained networks (PINNs), along with reinforcement learning optimization strategies, it achieves efficient and accurate prediction of reaction processes and intelligent control of reactor parameters. The method first constructs a reaction model using graph neural networks (GNNs) and physically constrained neural networks (PINNs), embedding core equations from chemical kinetics, mass transfer, and fluid dynamics to ensure the prediction results conform to physical laws. Then, based on the proximal strategy optimization (PPO) algorithm, it achieves real-time optimization of reaction conditions, dynamically adjusting operating parameters such as temperature, pressure, and flow rate to maximize reaction conversion, selectivity, and energy efficiency. This invention can be widely applied to chemical reaction systems such as catalytic reactions, multiphase reactors, microchannel reactors, and drug synthesis, significantly improving computational efficiency and accuracy, reducing the computation time of traditional methods, and providing intelligent online optimization and control solutions for industrial chemical reaction processes.

The invention discloses a continuous production process of dimethyl sulfoxide, which comprises a hydrogen peroxide storage tank, a mass flow meter, a delivery pump, a micro-channel reactor, a dimethyl sulfide storage tank, a flow self-control valve, a thermometer, a pressure gauge, a cold and hot all-in-one machine, a sampling port, a multi-phase reactor, a liquid level meter, a phase splitter, an electromagnetic valve, a dimethyl sulfoxide storage tank and a water phase storage tank. Outlets of the hydrogen peroxide storage tank and the dimethyl sulfide storage tank are respectively connected to a micro-channel reactor through a mass flow meter and a delivery pump, an outlet of the micro-channel reactor is connected to a multi-phase reactor, the micro-channel reactor and the multi-phase reactor are respectively connected to a cold and hot all-in-one machine, the multi-phase reactor is connected to a phase splitter, and the phase splitter is connected to a hot and cold all-in-one machine. And the phase splitter is respectively connected to a dimethyl sulfoxide storage tank and a water phase storage tank. According to the invention, the continuous production of dimethyl sulfoxide can be realized, the problems of low production efficiency and high production cost in the existing dimethyl sulfoxide production process are solved, and the production safety is ensured.

The utility model discloses a gasification slag treatment waste gas purification mechanism which comprises a multi-phase reactor, a cooler is arranged on the right side of the multi-phase reactor, a desulfurization device is arranged on the right side of the cooler, and a natural gas anti-flame-off device is fixedly installed on the inner bottom wall of the multi-phase reactor. A denitration device is fixedly installed on the upper surface of the multi-phase reactor, a calcium spraying device is arranged in the multi-phase reactor, the top end of the calcium spraying device is fixedly communicated with the input end of the denitration device, and the output end of the denitration device is fixedly communicated with a first exhaust pipe. The bottom end of the first exhaust pipe is fixedly communicated with the input end of a cooler, the output end of the cooler is fixedly communicated with a second exhaust pipe, and the end, away from the cooler, of the second exhaust pipe is fixedly communicated with the input end of the desulfurization device. The waste gas purification mechanism for gasified slag treatment can efficiently purify waste gas generated during incineration of gasified slag, and pollution of the discharged waste gas to the air environment is reduced.

The present disclosure provides a method of producing hydrogen. The method includes performing a thermochemical reaction by contacting an active reagent with an alkaline aqueous solution, thereby reacting water in the alkaline aqueous solution with the active reagent and producing hydrogen and an alkaline aqueous solution comprising an oxidation product. The method further comprises placing the alkaline aqueous solution comprising the oxidation product in an electrochemical cell comprising an anode and a cathode such that at least a portion of the cathode contacts the solution; and performing an electrochemical reaction by applying a voltage between the anode and the cathode to produce hydrogen, oxygen and an active reagent. The active agent comprises a metal or metal ion in a first oxidation state and the oxidation product comprises a metal or metal ion in a second oxidation state higher than the first oxidation state.

The invention provides a process method for preparing sulfur from mirabilite, and relates to the technical field of sulfur production and carbon emission reduction, and the process method comprises the following steps: with C or CO as a fuel, preheating mirabilite, adding the preheated mirabilite into a three-blade closed reduction rotary kiln, and calcining at 900-1050 DEG C to obtain liquid Na2S; enabling the liquid or solid Na2S calcined in the step S1 and solid CaCO3 to enter a multi-phase reactor for reaction; performing solid-liquid separation on the slurry after the reaction in the step S2, wherein the filter residue is CaS and the filtrate is a Na2CO3 solution; the gas phase obtained after calcination in the step S1 enters a CO2 trapping system, and then flue gas is discharged after being subjected to desulfurization, denitrification and dust removal; the filter residues obtained in the step S3 and the CO2 captured in the step S4 are fed into a supergravity carbonization reactor, the obtained solid phase is CaCO3, and the obtained gas phase is H2S; the solid-phase CaCO3 is returned to the multi-phase reactor of S2 for recycling; h2S enters a Claus reaction system, and finally a sulfur product is obtained. According to the method, sulfur in the low-quality mirabilite is converted into sulfur; in the production process, CaCO3 can be recycled only through one-time feeding, and resources are saved.

An energy storage particle heat exchange multi-phase reactor comprises a reaction shell, a guide cylinder, a first gas distribution component and a second gas distribution component, a reaction cavity is formed in the reaction shell, a reactant inlet and a reaction gas outlet are formed in the top of the reaction cavity, a product outlet is formed in the bottom of the reaction cavity, and the guide cylinder is arranged in the reaction cavity. The first gas distribution component and the second gas distribution component are both used for introducing reaction gas into the reaction cavity, the first gas distribution component is arranged at the bottom of the guide cylinder so as to lift energy storage particles settled in the guide cylinder to cross the guide cylinder and enter an annular gap between the guide cylinder and the reaction shell, and the second gas distribution component is arranged at the bottom of the annular gap so as to lift the energy storage particles settled in the guide cylinder to cross the guide cylinder and enter the annular gap between the guide cylinder and the reaction shell. The settling velocity of the energy storage particles in the annular gap is adjusted by adjusting the gas inlet amount of the first gas distribution component and the gas inlet amount of the second gas distribution component independently, the retention time of the energy storage particles in the reaction cavity is adjusted, when the heat storage rate of most of the energy storage particles reaches 100%, the energy storage particles are discharged in time, and the heat exchange efficiency can be greatly improved.