140 results about "Solid reaction" patented technology

The application relates to a gas-solid reaction rotary furnace. The gas-solid reaction rotary furnace comprises a support frame, a base, a frame rotatably connected to the base, a first driver for driving the frame to rotate, a rotary furnace pipe arranged in the frame, the rotary furnace pipe comprising a powder inlet and outlet end and a gas inlet and outlet end, and a gas assembly arranged at the gas inlet and outlet end of the rotary furnace pipe, wherein when the gas assembly supplies gas to the rotary furnace pipe, the rotary furnace pipe can be moved to a state where the gas inlet and outlet end is higher than the powder inlet and outlet end. During operation of the gas-solid reaction rotary furnace, the rotary furnace pipe is kept in an inclined rotating state, the loading capacity of the rotary furnace pipe is increased, the production capacity of a single furnace is increased, the energy consumption of unit weight of material is reduced, and the processing time and cost are reduced.

The invention relates to an efficient gas-solid reaction process and an integrated industrial system, and belongs to the technical field of gas-solid reaction in chemical production. The process flow comprises the following steps: crushing and drying coke by a pulverizing unit, preheating the coke and sulfur steam to be greater than or equal to 550 DEG C, and jointly entering a gas-solid reaction unit; and the product enters a gas-solid separation unit, is subjected to two-stage gas-solid separation at a high temperature of 450-680 DEG C and a low temperature of less than or equal to 200 DEG C, and then is The integrated industrial system based on the efficient gas-solid reaction process is applied to carbon disulfide production through a coke method, the problems of external heat supply and byproduct generation control in the reaction process of coke and sulfur are solved, and the system is simple in process chain, easy and convenient to operate, compact in structure and suitable for continuous and closed carbon disulfide production requirements through the coke method.

The invention discloses a material reactor, a material reaction system, a method for decomposing a self-oxidation reduction precursor and application. The material reactor comprises a dividing piece and a reaction cylinder, adjusting the rotation of the reaction cylinder; the reaction cylinder is provided with a reaction cavity along the length direction; the dividing piece is placed in the reaction cavity; the dividing piece is provided with at least three dividing plates; one ends of the plurality of sub-plates are connected and are distributed in a surrounding manner by taking the connected position as the center; the other ends of the partial split plates are in contact with the inner wall of the reaction cavity; the material reaction system comprises a rack, a heating device, a feeding device, a discharging device and a material reaction system, according to the scheme, multiple synergistic effects of preventing adhesion, improving heat transfer and accelerating gas-solid reaction can be realized, and the problem of waste caused by the fact that gas decomposed by raw materials does not participate in synthesis and is directly discharged in a production process is solved.

The invention relates to the technical field of rare earth secondary resource recovery, in particular to a neodymium iron boron waste recovery method. The method comprises the following steps: firstly, grinding the neodymium iron boron waste into fine granularity, and spraying into a specially designed flash reaction furnace body through a nozzle by virtue of carrier gas; meanwhile, sodium chlorate powder is continuously added into a pyrolysis area in the furnace, so that the sodium chlorate powder is instantly decomposed at a certain temperature, and high-activity gas is generated; the sprayed waste particles are in a suspended state in the reaction tower and are subjected to instantaneous gas-solid reaction with high-temperature active gas, rare earth elements are quickly oxidized and chlorinated and are converted into soluble rare earth oxychloride, and iron is mainly converted into FeO which is easy to magnetically separate. And carrying out cyclone dust collection and quenching on the reacted material to obtain a roasted product, recovering rare earth through water leaching, and recovering iron through magnetic separation. According to the invention, selective oxidation is completed at low temperature in a short time (second level), and the method has the outstanding advantages of high efficiency, low energy consumption and high recovery rate.

The present application relates to a method for reducing the content of sulfur in aluminum fluoride, which comprises the following steps: uniformly mixing crude aluminum fluoride powder containing sulfate impurities with ammonium hydrogen fluoride powder to obtain a mixture; placing the mixture in a reactor and performing programmed temperature calcination under a protective atmosphere; discharging the sulfur and fluorine-containing volatile gas generated by calcination after treatment by an absorption system; cooling the calcined material to room temperature; washing the cooled material with water or blowing inert gas to remove residual ammonium salt or dust, and then drying to obtain a low-sulfur aluminum fluoride product. The in-situ HF generated by the decomposition of NH4HF2 is used for gas-solid reaction, which can effectively attack and convert stable sulfate impurities existing in various forms, has high desulfurization efficiency and is deep and thorough; the reaction conditions are mild, the main phase of the product is stable, the process flow is simple, and the energy consumption is low.

The invention discloses flaky alumina and a preparation method thereof, the flaky alumina is in a square sheet shape and has a single crystal structure, the grain size of the flaky alumina is 300-1300 nm, and the grain thickness is less than or equal to 150 nm. The preparation method comprises the following steps: placing roasted SB powder and a quaternary ammonium base solution in a pressure container in a solid-liquid two-phase separation manner, carrying out a gas-solid reaction under certain heat treatment conditions, and drying and roasting the reacted solid powder to obtain the flaky aluminum oxide. The flaky aluminum oxide is regular in structure and flat and smooth in surface, can be used as a polishing material, a coating, a catalysis material and an adsorption material, and is simple in preparation process, easy in raw material obtaining and easy in industrial production.

The application discloses a kind of based on heat trigger solid-liquid reaction's goaf spontaneous combustion initiative inerting device and method, belong to coal mine fire prevention technical field, first based on experimental data, goaf beam tube monitoring and numerical simulation determine goaf high temperature prevention area, under the influence of setting safety margin and considering the maximum thickness of residual coal determine the starting temperature of adaptive inerting device, then according to goaf residual coal thickness, porosity, oxygen concentration field and high temperature prevention area area calculate out initiative inerting device size and reagent filling amount, finally combine the effective coverage area of single device and honeycomb grid generation algorithm, design initiative inerting device dynamic pre-buried point, and pre-bury initiative inerting device in coal mining face, when device reaches the high temperature protection area of goaf deep, temperature sensing guide column paraffin melt, aluminum sulfate solution in liquid reagent storage tank flows into solid reaction bin and sodium bicarbonate reaction along guide column, generate a large amount of CO2 from exhaust port, rapidly reduce local oxygen concentration, eliminate goaf spontaneous combustion hazard.The core innovation of the application is to abandon the traditional passive prevention mode relying on gas diffusion, and instead adopt the initiative control mechanism of "temperature sensing trigger-in-situ reaction-directional release", so that CO2 directly acts on the high temperature area through the directional exhaust port, rapidly reduces the local oxygen concentration, cuts off the necessary condition of coal spontaneous combustion from the source, realizes the initiative identification and accurate inerting of goaf high temperature area, and ensures the safety production of coal mining face.

The invention provides a cylindrical fixed bed reactor of a thermochemical energy storage gas-solid reaction system and a testing method thereof, and belongs to the field of thermochemical energy storage. According to the invention, the heat storage and release cycle experiment can be carried out for different thermochemical gas-solid reaction systems, especially the heat storage and release process of a hydroxide system and a hydrated salt system. Openings at two ends of a reaction cavity are respectively connected with a top seal head and a bottom seal head, the top seal head is provided with an air inlet, the bottom seal head is provided with an air outlet, and stainless steel sintered plates are respectively arranged between the air inlet and the reaction cavity and between the air outlet and the reaction cavity; the heat exchange cavity is embedded in the periphery of the reaction cavity, a cooling water coil and a heating pipe are arranged in the heat exchange cavity, an inlet and an outlet of the cooling water coil are connected with a cooling water coil inlet and a cooling water coil outlet in the heat exchange cavity respectively, and positive and negative binding posts of the heating pipe extend out of the heat exchange cavity. According to the invention, heat storage and release performance research under various working conditions of variable temperature, variable pressure and variable flow can be carried out.

A process for converting plastic materials into pyrolytic oils, wherein: plastic materials are continuously fed into a preheating reactor to be mixed and preheated at a preheating temperature to obtain a pasty mixture; the pasty mixture is continuously transferred into a pyrolysis reactor to be heated at a pyrolysis temperature, under an anaerobic or inert atmosphere, to be converted into synthesis gases and a solid reaction product; the synthesis gases, containing condensable gases and uncondensable gases, are recovered on a first outlet located above the permeable bed, and the solid reaction product is recovered on a second outlet located below the permeable bed; the condensable gases of the synthesis gases are condensed into pyrolytic oils which are recovered.

Reactor configurations may include one or more staged inlets and / or one or more staged outlets for gaseous and solid feedstocks. In one embodiment of the present disclosure, a reactor design for gas-solid reaction with one or more additional outlet for gas and / or solid phase is provided. In yet another embodiment, the design for a gas-solid reactor with one side inlet and two outlets for gas phase is described. In one embodiment, a reactor design with pairs of inlet and outlet for both gas and solid phase is provided. In another embodiment, a reactor design with one or more side inlets but only one outlet for gas phase is provided. In yet another embodiment, a reactor design with two inlets at the top / bottom of reactor and two side outlets for gaseous phase is described. In yet another embodiment, a reactor design with one or more side inlets and outlets for both gas and solid phases is provided.

The invention belongs to the technical field of inorganic salt preparation, and discloses a method for preparing anhydrous magnesium chloride by dehydrating magnesium chloride hexahydrate, which comprises the following steps: by taking magnesium chloride hexahydrate as a raw material, carrying out preliminary dehydration to obtain low-water magnesium chloride, mixing the low-water magnesium chloride with fluid ammonia to carry out solid-liquid reaction, then carrying out solid-liquid separation and reduced pressure treatment to obtain a solid phase, and further performing high-temperature deamination to obtain anhydrous magnesium chloride. According to the method disclosed by the invention, solid-liquid reaction is directly carried out on the fluid ammonia and the low-water magnesium chloride, so that the use of a large amount of organic solvents and complicated operation steps in a traditional ammonia-gas-based alcohol ammonia method are avoided. Compared with a gas-solid reaction, the solid-liquid reaction has the advantages of being high in reaction speed, high in yield and the like, separation of ammonia and water can be achieved only through decompression treatment, and therefore recycling of ammonia is easy to achieve. Meanwhile, the method avoids corrosion of acid gas to equipment in a gas protection heating method taking hydrogen chloride as protective gas, and large-scale and rapid dehydration of magnesium chloride hexahydrate can be realized.

This invention discloses a spouted bed reactor and method for selective carbon deposition on the outer surface of micron-sized powders, belonging to the fields of gas-solid reaction engineering and chemical vapor deposition technology. The reactor includes a sealed reaction chamber, within which a gas distribution zone, a spouted circulation zone, a main reaction zone, and a top buffer zone are sequentially arranged. A porous distribution plate and a carrier gas inlet are provided at the bottom, and a central spouted gas inlet can be provided to form a particle circulation path with a central upward flow and peripheral recirculation. A reactive gas introduction structure is provided in the main reaction zone to introduce reactive gas in the middle of the particle circulation path. An internal filter assembly can be installed at the top of the chamber to achieve gas-solid separation. Through the partitioned introduction of carrier gas at the bottom and reactive gas in the middle, a spatially separated gas-solid contact structure is formed within the reaction chamber.

A catalyst component for the polymerization of olefins obtained by a process comprising: (a) reacting in an inert hydrocarbon suspension medium a Mg(OR1)(OR2) compound, in which R1 and R2 are identical or different and are each an alkyl radical having 1 to 10 carbon atoms, with a tetravalent transition metal compound having at least a Metal-halogen bond, used in amounts such that the molar ratio metal / Mg is from 0.05 to 5, thereby obtaining a solid reaction product dispersed in a hydrocarbon slurry and (b) contacting the product obtained in (a) with ethylaluminum dichloride.

The invention discloses a method for synthesizing hydrogen cyanide from a carbon-containing solid and ammonia gas, and belongs to the technical field of hydrogen cyanide production. The method comprises the following steps: contacting ammonia gas with a carbon-containing solid heated to a reaction temperature, and carrying out a gas-solid reaction to generate a high-temperature gas containing hydrogen cyanide; according to the invention, the technical route that the existing hydrogen cyanide production technology mainly depends on a gaseous hydrocarbon carbon source, a noble metal catalyst and external combustion heat supply is changed, and the problems of limited raw material sources, easiness in catalyst deactivation, slow process start-stop response and the like are solved.

The invention relates to a thermochemical energy storage reactor for carrying out a gas-solid reaction or a corresponding reverse reaction. The thermochemical energy storage reactor comprises a reaction volume (11) in which a solid energy storage material (30) and a gaseous reaction medium (32) form a mixture and react with each other, a particle inlet (15) for introducing the energy storage material (30), a particle outlet (16) for removing the energy storage material (30), a gas inlet (17) for introducing the reaction medium (32), a gas outlet (18) for removing the reaction medium (32), and a jacket (19) which at least partially surrounds the reaction volume (11) and is adapted to carry out heat transfer between a heat transfer fluid flowing in the jacket (19) and the mixture of energy storage material (30) and reaction medium (32) located in the reaction volume (11).The reaction volume (11) is mixed by at least one stirring element (20). The stirring element (20) is adapted to mix the energy storage material (30) and the reaction medium (32) by stirring around a stirring axis (22) which is arranged essentially parallel to a direction of gravity (90).

To provide a method for efficiently regenerating wastewater solutions of sodium hydroxide. [Solution] A method for regenerating a waste sodium hydroxide aqueous solution containing aluminum, comprising the steps of: mixing and reacting an aqueous slurry containing a calcium compound with the waste sodium hydroxide aqueous solution to form a reaction solution containing a supernatant liquid and a solid reaction residue; and subjecting the reaction solution to a solid-liquid separation treatment to remove the reaction residue, thereby recovering the supernatant liquid as a regenerated sodium hydroxide aqueous solution.

The utility model relates to the technical field of reaction kettles, and discloses a novel liquid-solid reaction kettle with a liquid pumping device, which comprises a processing tank body, the outer side of the processing tank body is fixedly connected with a steam inlet, the outer side of the steam inlet is rotatably connected with a rotating column, the inside of the rotating column is fixedly connected with a sealing shell, and the sealing shell is fixedly connected with a liquid pumping device. And a sealing gasket is slidably connected to the interior of the sealing shell, a plurality of first limiting blocks are fixedly connected to the outer side of the rotating column, a sliding column is slidably connected to the outer side of the rotating column, three supports are fixedly connected to the bottom of the processing tank body, and fixing assemblies are slidably connected to the interiors of the supports. According to the utility model, the time and labor cost are greatly saved, the working efficiency is improved, and when the pipeline needs to be frequently replaced or overhauled in industrial production, the pipeline can be quickly disassembled and reinstalled, and the downtime of equipment is reduced.

The invention discloses an internal rotation type anti-slagging solid waste efficient combustion / carbonization device and method. The device comprises a feeding system, an air supply system, a combustion / carbonization system and a rotating shaft. The invention provides an internal rotation type rotating shaft with shoveling plates in a furnace, which can effectively prevent solid from slagging in a high-temperature environment. And a gas channel is formed in the rotating shaft, so that contact and mixing of the solid waste and air are further promoted, and meanwhile, the rotating shaft is cooled. Mixing in the gas-solid reaction process is enhanced, growth of ash in the thermochemical process is destroyed, the purposes of improving the waste combustion / carbonization efficiency and preventing slag bonding are achieved, meanwhile, cooling air is introduced into the low-speed rotary stirrer, and contact between fuel and air is promoted while high-temperature cooling of the low-speed rotary stirrer is guaranteed.

The application discloses a method and system for preparing sodium sulfide by reducing sodium sulfate, and belongs to the field of inorganic chemical products. The method comprises the following steps: mixing fuel and air to obtain high-temperature flue gas; obtaining high-temperature reducing gas by heat exchange of the high-temperature flue gas and the heating reducing gas; under the indirect heating of the high-temperature flue gas, preheating sodium sulfate raw materials and mixing the high-temperature reducing gas, and completing the gas-solid reaction to generate sodium sulfide in a dilute phase conveying state under the carrying of the high-temperature reducing gas; gradually preheating the powdered sodium sulfate raw materials by the high-temperature flue gas to obtain preheated sodium sulfate raw materials; carrying out gas-solid separation on the reducing waste gas carrying the sodium sulfide; gradually cooling the high-temperature sodium sulfide obtained by the gas-solid separation by direct heat exchange with low-temperature inert gas to output the sodium sulfide product, and obtaining the heating inert gas. The application has the advantages of short reduction reaction time, high reaction efficiency, high thermal efficiency, simple preparation process, high purity of the obtained sodium sulfide, and high product value.

The invention discloses a method for continuously preparing lithium sulfide through gas-solid reaction, which comprises the following steps of: adding alkaline lithium-containing compound coarse powder into a continuous jet mill system for refining to prepare alkaline lithium-containing compound powder; the method comprises the following steps: heating high-purity hydrogen sulfide gas produced industrially, and introducing the heated high-purity hydrogen sulfide gas into a primary screw cavity; the alkaline lithium-containing compound powder reacts with high-temperature hydrogen sulfide gas in the first-stage screw cavity to generate lithium sulfide coarse powder; the second-stage screw cavity cools the powder and the gas, and the lithium sulfide powder which does not meet the requirement is conveyed to a feeding port of the first-stage screw cavity to be circularly treated until the lithium sulfide powder meets the requirement; compared with the prior art, continuous operation can be achieved, the cost of raw materials is low, and the capacity of ten thousand tons can be achieved; gas is self-circulated, and the energy consumption is reduced by more than or equal to No organic solvent is needed for purification, and the process is closed and environment-friendly.

The invention provides a preparation device and a preparation method of a perovskite thin film and a solar cell, the preparation device comprises a carrier gas module for providing carrier gas, an organic ammonium salt source module and a reaction chamber, the organic ammonium salt source module comprises a steam preparation unit and a steam mixing unit, a gas inlet of the steam preparation unit is communicated with the carrier gas module, and a gas outlet of the steam mixing unit is communicated with the reaction chamber; the air outlet is communicated with the air inlet of the steam mixing unit; the reaction cavity is connected with a gas outlet pipeline of the steam mixing unit and is used for providing a reaction environment for a gas-solid reaction between the perovskite inorganic precursor and organic ammonium salt steam; wherein the steam preparation unit is used for converting solid organic ammonium salt loaded in the steam preparation unit into organic ammonium salt steam, mixing carrier gas with the organic ammonium salt steam to form mixed gas, and introducing the mixed gas into the steam mixing unit; the steam mixing unit is used for homogenizing the mixed gas and conveying the mixed gas to the reaction cavity. The preparation device can be used for preparing the high-quality perovskite thin film with accurate stoichiometric ratio and few defects.

The application discloses a method for preparing phosphoric acid by high-temperature solid-state reaction of phosphate rock and ammonium sulfate. The method for preparing phosphoric acid is to use phosphate rock and ammonium sulfate as raw materials and adopt high-temperature solid-state reaction to prepare pure phosphoric acid. Compared with a traditional process, the whole process flow is simple and convenient to operate. Compared with other thermal methods, the energy consumption of the method is lower, the recycling of ammonium sulfate is realized, the process cost is reduced to a certain extent, and the utilization and conversion of medium and low grade phosphate rock are realized.

The application discloses a method and device for preparing sodium sulfide powder from sodium sulfate by gas reduction, and belongs to the field of inorganic chemical products. The method comprises the following steps: mixing sodium sulfate raw material and sodium sulfide raw material according to a preset ratio to obtain a mixture; the mixture is freely settled from top to bottom, and a reduction gas flows from bottom to top and flows reversely with the mixture, so that in an external heating environment, the heated mixture and the heated reduction gas complete a gas-solid reaction in a contact form of dilute phase fluidization to generate high-temperature sodium sulfide, and reduction waste gas is obtained; the freely settled mixture exchanges heat with the reduction waste gas to obtain heated mixture; the freely settled high-temperature sodium sulfide exchanges heat with the reduction gas to obtain cooled sodium sulfide and heated reduction gas; and the cooled sodium sulfide is cooled, part of which is used as sodium sulfide product, and the other part is mixed with the sodium sulfate raw material as sodium sulfide raw material. The whole reaction process can realize continuous production, has high production efficiency, low operation cost, fast reaction speed and low overall energy consumption.

The invention discloses a photocatalytic continuous flow gas-solid reaction device, and belongs to the technical field of catalytic reaction devices. The reaction device comprises a reactor shell, a cover plate is arranged at the top of the reactor shell, the top of the cover plate and the side wall of the reactor shell are communicated with a gas return pipe, and a plurality of gas inlets and water vapor inlets are formed in the side wall of the bottom of the reactor shell at equal intervals; the interior of the reactor shell is sequentially divided into a gas reaction area, a gas dispersion area and a gas circulation area from top to bottom, a gas-solid reaction layer and a gas dispersion layer are sequentially arranged in the gas reaction area from top to bottom, and a gas control plate is arranged between the gas dispersion area and the gas circulation area; a gas inflow layer is arranged in the gas circulation area below the gas control plate, a gas propeller is arranged in the gas inflow layer, and the gas inflow layer is communicated with a plurality of gas inlets and a water vapor inlet. The gas propeller is driven by magnetic force to enhance gas flow and efficiently mix multiple paths of gas (including water vapor), so that the bottleneck that a water phase is difficult to introduce in the traditional reaction is solved. The reactor adopts a layered design, so that the flow velocity is reduced while gas is promoted to be fully mixed, and the reaction efficiency is improved.

The invention provides a preparation method of isobutylbenzene, which comprises the following steps: under a gas-solid reaction condition, in the presence of a catalyst, gas-phase toluene, propylene and hydrogen are subjected to a contact reaction in a microchannel reactor, and active components of the catalyst comprise alkali metal and Cu. According to the method disclosed by the invention, the reaction can be carried out under a gas-solid contact reaction condition, so that the catalyst does not need to be separated from a reaction product, and the reaction product does not need to be separated after the catalyst is inactivated by water or methanol (because the reaction speed of water or alcohol and alkali metal is high, a large amount of heat is released, and a fire risk is caused, and the risk is very high); therefore, the risk of the method is greatly reduced; the method provided by the invention can be used for reacting under a relatively low pressure condition, and the pressure is greatly reduced compared with the pressure (2-4Mpa) required by the traditional kettle reaction.

The utility model discloses a suspended-state and hot-state gas-solid reaction device which comprises a spiral material conveying machine, a material preheating furnace, a reaction furnace, a gas preheating furnace, a furnace tube and a gas distribution system, the furnace tube is of an integrated structure, a necking opening used for accelerating gas is formed in the furnace tube, the furnace tube is divided into an upper reaction area and a lower gas preheating area, and an upper connector and a lower connector are arranged at the two ends of the furnace tube respectively. A feeding sleeve of the spiral conveying machine penetrates through the material preheating furnace and is connected with an upper joint, and a first air outlet is formed in the upper joint; the reaction furnace and the gas preheating furnace are vertically arranged, the reaction furnace is positioned at the upper part of the gas preheating furnace, and the furnace tube is arranged in the reaction furnace and the gas preheating furnace; an observation window is arranged on the reaction furnace and is used for observing the suspension state of the solid particles; the gas distribution system is connected with the lower joint; the lower end of the lower connector is connected with a material receiving bin, and a second air outlet is formed in the material receiving bin. According to the utility model, preheating of materials and gas can be realized, and a better material state observation effect can be achieved.

This invention provides a gas-solid reactor for online enhancement of solid reactivity, comprising an inner cylinder divided into an activation section and a reaction section. The activation section is connected to a solid particle feeding device, a reaction gas feeding device, and a high-temperature gas flow feeding device. The reaction section is connected to a product gas discharge device, a heating system, and a solid particle discharge device. Solid particles fed into the activation section are first activated by contact with the high-temperature gas flow supplied from the bottom, increasing their reactivity, and then react with the reaction gas. This gas-solid reactor can activate solid particles online, effectively improving the value of the final product and increasing reactor efficiency; it maximizes energy savings and effectively solves some problems encountered in practical gas-solid reactions; it achieves organized contact between solid particles and reaction gases, with controllable solid particle activity and consumption, reducing equipment maintenance requirements and overall processing costs.

The invention provides a sulfide electrolyte, a preparation method thereof and a solid-state battery, and the preparation method comprises the following steps: a) providing a raw material containing Li, S, M and X, the D50 particle size of the raw material being 1-10 [mu] m, and the surface adsorbed water content of the raw material being less than or equal to 100 ppm; and b) sintering the raw material containing Li, S, M and X, and crushing to obtain the Argyrolite type sulfide electrolyte. The raw materials containing Li, S, M and X with the D50 particle size being 1-10 microns and the surface adsorbed water content being smaller than or equal to 100 ppm are adopted for sintering to prepare the Argyrolite type sulfide electrolyte, the contact area between the raw materials can be increased, the reaction activation energy can be reduced, the solid-solid reaction rate can be increased, meanwhile, side reactions are prevented, the pure-phase Argyrolite type sulfide electrolyte is obtained, and the ionic conductivity of the electrolyte is improved.

The utility model relates to the technical field of industrial reactors, in particular to a microwave reaction kettle suitable for solid reaction materials. The microwave reaction kettle comprises a reaction kettle body, a microwave unit, a circulating pipeline and layered partitions, the circulating pipeline is connected to one side of the reaction kettle body in series and provided with a circulating pump, a premixing cylinder is arranged at the front end of the reaction kettle body, the microwave unit is arranged on the outer wall of the reaction kettle body and / or the circulating pipeline, and the layered partitions are arranged in the reaction kettle body in a layered mode. And the layered partitions on the upper and lower layers are provided with circulating channels, so that reaction materials can flow from top to bottom under the action of a circulating pump. According to the utility model, stirring paddles in a traditional reaction kettle are replaced by layered partitions, so that solid reaction materials are distributed more uniformly in a vertical space in the kettle, and the materials can react more quickly and fully.

The invention discloses a sodium alkali dry desulfurization ash cyclic utilization method, equipment and a medium, and relates to the technical field of cyclic utilization, and the method comprises the following steps: carrying out dynamic calibration on optimal process parameters, generating equipment operation parameters, carrying out activation treatment on desulfurization ash based on the equipment operation parameters, and obtaining activated ash; characteristic parameters of the activated ash are extracted, gas-solid reaction efficiency is evaluated, an efficiency evaluation report is generated, according to the efficiency evaluation report, feedback adjustment is conducted on equipment operation parameters through a PID control method, and optimized operation parameters are generated; on the basis of the optimized operation parameters, main reaction zone desulfurization is conducted through a sodium alkali dry method, desulfurization products and circulating ash are obtained, the circulating ash is subjected to regeneration treatment, and activated ash is generated. According to the method, the grey effect correlation model and the quantitative coupling correlation relation are established, so that the process adaptability is enhanced, and the cycle efficiency and the recycling level are improved.