44results about How to "Uniform response" patented technology

The invention discloses efficient closed-pore high-stability slurry and a preparation method thereof, a lithium ion battery and electric equipment, and relates to the technical field of lithium batteries, the efficient closed-pore high-stability slurry comprises water, core-shell microspheres, a heat stabilizer, a wetting auxiliary agent and a dispersing auxiliary agent, the core-shell microspheres comprise first core-shell particles and second core-shell particles, the core of the first core-shell particle is a mixture of a heat conducting agent and a flame retardant, or a composition of any one or more of the heat conducting agents, and the shell of the first core-shell particle is a mixture of a thermosensitive accelerator and a thermosensitive main agent, or a composition of any one or more of the thermosensitive accelerators; the core of the second core-shell particle is a mixture of a heat conducting agent and a flame retardant, or a composition of any one or more of the flame retardants, and the shell of the second core-shell particle is a mixture of a thermosensitive accelerator and a thermosensitive main agent, or a composition of any one or more of the thermosensitive main agents. The material has the advantages of early quick and synchronous response to temperature change, excellent thermal stability and excellent flame retardancy.

The invention discloses a manufacturing method of a micro-channel heat dissipation chip, and relates to the technical field of semiconductor processing and packaging, and the method comprises the steps: providing a first wafer, forming a micro-channel structure on the surface of the first wafer, and filling the micro-channel structure with a first supporting layer; a second wafer is provided, a water inlet and a water outlet are formed in the second wafer, the surfaces of the first wafer and the second wafer are bonded, and a micro-channel radiator wafer is formed; filling the water inlet / outlet with a second supporting layer, wherein the surface of the second supporting layer is flush with the first surface of the micro-channel radiator wafer; providing a chip wafer, and bonding the second surface of the micro-channel radiator wafer with the first surface of the chip wafer to form a bonded chip wafer; and removing the first supporting layer and the second supporting layer to obtain the micro-channel heat dissipation chip. According to the invention, the heat dissipation performance and the bonding quality of the wafer can be improved.

The application discloses a production process of electroplating grade potassium pyrophosphate, which uses potassium carbonate and diaphosphorus pentoxide as raw materials, and adds a catalyst to react in a high-pressure reaction kettle. After the reaction is completed, water is added for dissolution, and the pH value of the slurry is controlled to be 9.0-10.0. After being filtered through a precision filter, the slurry is punched into a slurry storage tank, and the slurry storage tank is maintained at 75-95 DEG C. The slurry in the storage tank is punched into an evaporation and concentration device for concentration, and then the concentrated liquid is punched into a continuous crystallization device for continuous crystallization operation. After centrifugal treatment, the filtrate is recycled into the evaporation and concentration device. The potassium pyrophosphate crystals are subjected to vacuum drying treatment in a vacuum drying equipment, and then are packaged into finished products after being crushed and sieved. The potassium pyrophosphate crystals obtained by the application have high purity, less caking phenomenon, and stable and controllable product quality.

The invention discloses a preparation method of a polypropylene composite filler based on electrocatalytic oxidation coal gasification fine slag as a raw material, the preparation method comprises the steps of raw material treatment, system modification, material electrolytic oxidation and material post-treatment, the polypropylene composite filler comprises polypropylene resin and the polypropylene composite filler, based on the total weight of the composite material, the usage amount of the composite filler is 5-20wt%, and the usage amount of the composite filler is 5-20wt%. The raw materials comprise an environment-friendly functional auxiliary agent accounting for 0.5-5% of the total weight of the composite material, and the functional auxiliary agent is selected from one of a weather-proof agent, a halogen-free flame retardant and a bio-based antibacterial agent. The method has the advantages that the low-temperature plasma pretreatment and the composite modifier assisted electrocatalytic oxidation process are combined, a large number of active sites can be quickly and efficiently introduced on the surface of the coal gasification fine slag through the low-temperature plasma treatment, and the surface energy and the reaction activity of the coal gasification fine slag are remarkably enhanced.

The utility model belongs to the technical field of heating furnaces for preparing and storing hydrogen materials, and particularly discloses a cooling and stirring structure of a heating furnace for preparing and storing hydrogen materials, which comprises a cooling fan arranged outside a heating furnace body and a cooling component positioned in the heating furnace body, and the cooling fan is communicated with the cooling component through an air inlet pipe; a supporting assembly is arranged on the outer side of the air inlet pipe and connected with the cooling assembly, an air cylinder is arranged at the top of the heating furnace body, and the output end of the air cylinder is connected with the supporting assembly and used for driving the cooling assembly to move vertically. The cooling assembly is arranged in the heating furnace body, the cooling assembly is communicated with the external cooling fan to further cool a melt-spinning sheet falling off from the cooling roller in an accelerated mode, the air cylinder is connected with the cooling assembly, ascending and descending of the cooling assembly are achieved, and the melt-spinning sheet is crushed and stirred. The specific surface area of the material is greatly increased, the surface sites of the hydrogen storage material for adsorbing hydrogen are increased, and the hydrogen storage efficiency is effectively improved.

The invention discloses a WS2 / W composite material, a preparation method thereof and application of the WS2 / W composite material in a sodium-sulfur battery. The preparation method comprises the following steps: uniformly stirring isopropanol and acetone to obtain a mixed solution A; weighing tungsten hexachloride, adding the tungsten hexachloride into the mixed solution A, and uniformly stirring to obtain a mixed solution B; transferring into a reaction kettle, sealing and putting into a drying oven for reaction; after the reaction is finished, carrying out suction filtration and washing on a product by using industrial alcohol, and drying in a vacuum oven to obtain W18O49 powder; the method comprises the following steps: weighing W18O49 powder and sublimed sulfur, respectively and correspondingly placing the W18O49 powder and sublimed sulfur in a first porcelain boat and a second porcelain boat, then placing the second porcelain boat in the first porcelain boat, placing the second porcelain boat in a tubular furnace, introducing argon into a furnace chamber of the tubular furnace, after the pressure of the furnace chamber is increased to 0.2-0.3 MPa, keeping the airtightness of the system, heating to 1100-1300 DEG C at the rate of 20 DEG C / min, keeping the pressure at 0.2-0.3 MPa in the heating process, and keeping the temperature for 2-3 hours; and after the temperature reaches 1100-1300 DEG C, continuously preserving heat for 2 hours, introducing argon, cooling to room temperature, and collecting to obtain WS2 / W powder. The problems of poor conductivity of the sulfur positive electrode, polysulfide shuttle effect and slow reaction kinetics are solved.

This invention belongs to the field of PVB resin, specifically relating to a method for preparing a yellowing-resistant polyvinyl butyral resin. In the preparation of the polyvinyl butyral resin, this invention adopts a staged feeding process. In the first feeding stage, inorganic acid mist and a portion of n-butyral are added to obtain a first intermediate product. In the second feeding stage, an aqueous solution of organic acid and the remaining n-butyral are added to obtain a second intermediate product. Through optimization of the process steps and feeding sequence, the comprehensive properties of the obtained PVB resin, including yellowing resistance, light transmittance, and processability, are significantly improved.

The invention discloses battery-grade lithium carbonate as well as a preparation method and application thereof, and the preparation method comprises the following steps: synchronously introducing a lithium-containing solution and carbon dioxide bubble water into a reaction device, and reacting to obtain lithium carbonate; the carbon dioxide bubble water is prepared by adopting the following method: simultaneously introducing carbon dioxide and water into a shear pump, and shearing and mixing to prepare the carbon dioxide bubble water. According to the method, the traditional gas-liquid reaction that carbon dioxide is directly introduced into the lithium-containing solution is creatively transformed into a gas-liquid-liquid reaction system that carbon dioxide bubble water prepared in advance and the lithium-containing solution are synchronously introduced, so that the product purity and stability are remarkably improved, and the bottleneck of a traditional intermittent process is broken through; the preparation method is simple, the production capacity and efficiency are remarkably improved, industrial large-scale production is easy to realize, and the obtained product lithium carbonate crystal is complete in growth, concentrated and controllable in particle size distribution and regular in morphology, and meets the processing requirements of high-end battery materials.

The application relates to the technical field of ion exchange equipment and specifically discloses a device and method for removing air bubbles in an ion exchange column, which comprises a shell, multiple groups of ion exchange components and multiple gas-liquid separation pieces, the multiple groups of ion exchange components are arranged in the shell and are spaced apart along the axial direction of the shell, the gas-liquid separation pieces correspond to the ion exchange components one by one, each gas-liquid separation piece is arranged on the side of the ion exchange component close to a discharge port, the gas-liquid separation piece is umbrella-shaped, a separation cavity is formed between the gas-liquid separation piece and the ion exchange component, the top of the gas-liquid separation piece is connected with an exhaust pipe, the exhaust pipe extends to the outside of the shell, the gas-liquid separation piece comprises a body and a flow blocking part, the body is connected with the flow blocking part, a flow hole is formed in the body and is used for passing fluid, the normal projection of the flow blocking part on the body covers the flow hole, so that the gas phase can rise along the flow blocking part to the exhaust pipe and be discharged. The application can efficiently remove the air bubbles generated in the ion exchange process.

The invention provides a multi-channel uniform injection loop reaction device for preventing liquid phase implosion, and belongs to the technical field of injection loop reaction, and a material pretreatment unit is used for filtering raw materials and adjusting the temperature of the raw materials, so that the quality of the raw materials and the stable feeding state are ensured; the jet reaction unit adopts a mode of combining multi-channel jet and material dispersion to realize uniform mixing and reaction of materials; the temperature and concentration regulation and control unit monitors in real time and precisely regulates the temperature and concentration of the reaction system; the implosion early warning and regulation and control unit dynamically judges the implosion risk based on a risk assessment model and starts hierarchical regulation and control measures; the emergency pressure relief unit quickly relieves pressure when the pressure is abnormal, and accident expansion is prevented. Through the synergistic effect of all the units, an all-dimensional and multi-layer anti-explosive polymerization system is formed, the technical problem of implosion prevention and control in the liquid phase reaction is solved, the reaction efficiency and the product quality are improved, and remarkable economic value and social benefit are achieved.

The application discloses a kind of soil aggregate organic carbon mass fraction determination system and method, comprising: heating device;Support, be equipped in heating device, it is equipped with guide rail device one, reagent adding piece one and push material piece on it, the sliding block of guide rail device one is connected with test tube piece;Guide rail device two, be equipped in heating device side wall, it is equipped with titration test piece and indicator adding piece on guide rail device two, the sliding block of guide rail device two is connected with receiving bottle.The application is driven by guide rail device one to move test tube piece to reagent adding piece one and add reagent, move to the heating end of heating device and heat, and move to push material piece and be driven by push material piece to unload test, and after unloading to receiving bottle, guide rail device two is driven to move receiving bottle and correspond to indicator adding piece and titration test piece in turn, reduce artificial operation intensity, improve determination work efficiency while effectively reducing human operation error.

The application is suitable for the technical field of inorganic substance preparation method, and provides a preparation method of bromine, which comprises the following steps: step one: a certain amount of sodium bromide and hydrobromic acid are added into a mother liquor pool and stirred to obtain a mother liquor; step two: a predetermined amount of stearic acid and polyvinylpyrrolidone are added; step three: preheating is carried out, and then the preheating is fed into an absorption tower; step four: the liquid at the bottom of the absorption tower flows into the upper part of a bromine evaporation tower, and is heated by steam in the bromine evaporation tower; water vapor and chlorine gas are introduced from the bottom of the bromine evaporation tower, and bromine steam enters the absorption tower; step five: the distillation acid liquid generated by the bromine evaporation tower flows into a preheater to be preheated; bromine steam flows out from the upper part of the bromine evaporation tower to obtain a bromine and water mixture; step six: the bromine and water mixture flows into a bromine water separation bottle to be separated, and bromine products are obtained, thereby, the bromine source is hydrogen bromide and sodium bromide; the stearic acid can effectively reduce the surface tension, so that the reaction is more uniform, and the system is stable.

This utility model discloses a highly applicable continuous reaction overflow tank, comprising a set of multi-stage series reaction tanks (1), with adjacent reaction tanks (1) connected by an overflow pipe (2). Each reaction tank (1) is provided with a feed inlet (3) and a stirring device (4). The reaction tank (1) is also provided with a flow guiding device (5) that cooperates with the overflow port (11a). The flow guiding device (5) includes a flow guiding hood (51), which is closed at the upper end and open at the lower end. Inside the hood, a set of cross-arranged flow guiding plates (52) are provided from bottom to top, so that the inner cavity of the flow guiding hood (51) forms an S-shaped flow guiding channel (53). The advantages of this utility model are that it avoids the direct impact of the feed on the overflow port, offsets the damage of the overflow pipe to the flow field, satisfies the requirements of uniform material mixing and reaction, achieves continuous reaction, improves production efficiency and reaction effect, and reduces the content of valuable metal lithium ions in the waste residue.

This invention belongs to the field of iodine adsorption material technology, and discloses a method for synthesizing and applying a highly efficient iodine adsorption material. The synthesis method includes: S1, adding an organic aldehyde ligand to a container, adding a solvent, and stirring to completely dissolve the aldehyde ligand; S2, slowly adding the above solution dropwise to an organic amine ligand solution to completely mix it with the amine ligand; S3, sealing the above mixed solution and stirring at room temperature until the color deepens; S4, after the reaction is complete, separating the reaction solution into small glass vials, tightening the caps, loosening them by half a turn, and placing them in a protective atmosphere; after several days of gas-liquid diffusion, visible crystals form at the bottom of the glass vials. The synthesized adsorption material has applications in volatile and radioactive iodine. The crystalline adsorption material synthesized by this invention has good stability, high adsorption efficiency for iodine, and a fast adsorption rate, and can be used for nuclear waste treatment and the capture of radioactive iodine.

This invention discloses a method and system for producing mesophase carbon microspheres. The method involves hydrogenating purified catalytic slurry, followed by separation to obtain light fraction, middle fraction, and tail oil. The middle fraction is divided into two streams: the first stream undergoes cracking, with the cracking products recycled; the second stream undergoes a first heat treatment, and the heat-treated product is pulverized to obtain a solid first feed stream, a first solvent, and silicone oil, which are then subjected to a second heat treatment. The resulting reaction product is then centrifuged, washed, and dried to obtain mesophase carbon microspheres. The production system includes a purification unit, a hydrogenation reaction unit, a gas-liquid separation unit, a fractionation unit, a cracking reaction unit, a first heat treatment unit, and a second heat treatment unit. This invention proposes an optimized approach to preparing mesophase carbon microsphere raw materials, yielding high-quality mesophase pitch raw materials and mesophase carbon microsphere products.

The utility model provides a water-based polyurethane reaction kettle stirring mechanism with temperature control performance, which belongs to the technical field of polyurethane production, and comprises a reaction component, a bracket, a support table fixedly connected to the end part of the bracket, a kettle body fixedly connected to the middle of the support table, and a cover plate inserted at the upper end of the kettle body, the temperature adjusting assembly comprises an outer barrel arranged at the bottom of the kettle body in a sleeving mode, a liquid supply pipe fixedly connected to the side wall of the outer barrel, a heat preservation layer packaged on the inner wall of the outer barrel, and an electric heating pipe inserted into the outer barrel in a sealed mode. The reaction kettle disclosed by the utility model has the beneficial effects that the reaction component and the temperature adjusting component are matched for use, so that the reaction temperature in the kettle body can be accurately adjusted and controlled, the strict requirement of a waterborne polyurethane reaction on the temperature is met, the quality and the stability of a product are improved, materials are fully stirred, the reaction is more uniform, the reaction time is shortened, and the production efficiency is improved. And the production efficiency is improved, operators can conveniently maintain and clean the outer barrel, and the maintenance cost of the equipment is reduced.

The invention belongs to the technical field of coke oven coking, and particularly discloses a method for improving the single-oven yield of a tamping coke oven, which comprises the following steps: firstly, uniformly loading crushed and screened coal into a coal box of a tamping machine; the tamping machine is started to tamp and compact the coal in the coal box, the thickness of the tamped coal is 80 cm, and then the coal continues to be added into the coal box and tamped to enable the height of the finally tamped coal cake to be 4 m; finally, coal cakes formed after tamping are pushed into a carbonization chamber through a coke pushing machine to be heated, so that the coal cakes are dried in the carbonization chamber, and the coal cakes are converted into coke after being decomposed. Aiming at the problems of low briquette bulk density and discontinuous internal structure caused by non-uniform coal distribution at present, the invention improves the overall bulk density and structural uniformity of the briquette by optimizing a feeding mode and a briquette forming form, so as to solve the problems of low briquette bulk density, discontinuous internal structure and poor structure uniformity caused by non-uniform coal distribution during tamping in the prior art. Therefore, the single-furnace yield of the tamping coke oven is influenced.

This invention belongs to the field of organic synthesis technology and discloses a method for preparing trans-3-chloro-2-propenylhydroxylamine hydrochloride. The method involves adding trans-1,3-dichloropropene to a ketoxime, a base, a phase transfer catalyst, and a first solvent for etherification. After the reaction, the mixture is first extracted with an extractant, and the resulting oil phase is then distilled to obtain the oxime ether. The oxime ether, an aqueous hydrochloric acid solution, and a second solvent are mixed and subjected to vacuum distillation in a distillation column to obtain trans-3-chloro-2-propenylhydroxylamine hydrochloride. This invention avoids the use of an aqueous base in the etherification stage, effectively preventing the hydrolysis of the ketoxime. The purified oxime ether obtained in the etherification step is purified by distillation, significantly reducing side reactions during the subsequent hydrolysis. Adding a solvent during the hydrolysis stage allows for better mixing of the aqueous hydrochloric acid solution and the oxime ether, resulting in more uniform acidification, a more complete reaction, and improved conversion and selectivity.

The invention provides an environment-friendly tensile high-temperature-resistant PVC (polyvinyl chloride) plate and a preparation method thereof. The PVC board is prepared from the following raw materials in parts by weight: 50-70 parts of polyvinyl chloride resin, 15-25 parts of chlorinated polyvinyl chloride, 6-13 parts of a fluorine-silicon synergistic cross-linking agent, 8-15 parts of a reactive core-shell compatibilizer, 10-20 parts of an environment-friendly ester plasticizer, 4-8 parts of a lubricant, 0.5-2.0 parts of a composite antioxidant and 10-25 parts of active inorganic filler. The PVC plate disclosed by the invention has comprehensive properties of environmental protection, tensile strength and high temperature resistance.

The application discloses a countercurrent submerged hot steel slag treatment coupled industrial flue gas carbon capture system and method, and belongs to the technical field of industrial solid waste and waste gas resource treatment. The system comprises a hot stewing pool, a slag cover, a matrix type water and gas distribution system, an industrial flue gas supply unit, a micro-nano bubble generating device, a waste heat recovery device and a control unit. The method is that the matrix type water and gas distribution system is used to pass cooling water and industrial flue gas water solution rich in micro-nano bubbles into hot steel slag from the pool bottom in a region-by-region and time-by-time manner, and countercurrent submerged cooling stewing slag and carbonation carbon fixation reaction are sequentially carried out. The application solves the problems of poor safety, low resource recovery rate and high carbon capture cost of the traditional hot stewing process, and provides a safe, efficient and low-cost steel slag and flue gas collaborative treatment solution.

This invention discloses a wafer surface treatment process, comprising: providing a pre-cleaning chamber; introducing a wafer with an oxide layer formed on its surface into the pre-cleaning chamber and heating the wafer to 100°C to 300°C; introducing an etching gas with a first flow rate into the pre-cleaning chamber to perform a surface pre-treatment on the wafer for 1s to 3s; introducing the etching gas with a second flow rate, the second flow rate being less than the first flow rate, into the pre-cleaning chamber to remove the oxide layer on the surface of the wafer; wherein the pressure in the pre-cleaning chamber is maintained in the range of 0.8 Torr to 1.2 Torr. By synergistically utilizing temperature, flow rate, and pressure, the surface reactivity of the wafer is improved, the difference in reaction rates between new and old wafers is reduced, thereby ensuring the stability of the etching results.

This invention relates to the technical field of wastewater treatment, and more particularly to a wastewater treatment device for circuit board browning. It includes: a support frame; a sedimentation tank connected to the support frame; an electrolytic cell connected to the support frame; a control panel installed on the top of the electrolytic cell; a discharge frame connected to and maintaining communication with the side of the electrolytic cell; a first drive motor installed on the side of the electrolytic cell; and a rotating frame rotatably connected to the inside of the electrolytic cell, with the end of the rotating shaft of the rotating frame connected to the output shaft of the first drive motor. This invention, through the coordinated operation of the rotating frame, the first drive motor, the cleaning components, and the baffle mechanism, enables automatic cleaning of anode sludge during electrolysis. The periodic rotation of the rotating frame allows the cathode and anode plates to alternately enter the electrolyte or the cleaning station. The sponge plate, driven by the lifting frame, scrapes off the attached material, and the baffle guides the cleaned material out. No manual cleaning is required, significantly improving production continuity and processing efficiency.

The invention provides an auxiliary material formula of a magnetic powder core and the magnetic powder core, and belongs to the technical field of magnetic cores. The auxiliary material formula of the magnetic powder core comprises organic silicon resin, an active additive, an insulation enhancer, a lubricant and a solvent; the active additive is aluminum acetylacetonate or zirconium acetylacetonate; the insulation reinforcing agent is hexagonal boron nitride or modified boron nitride; the modified boron nitride is silane coupling agent surface modified boron nitride; the lubricant is selected from at least one of amide wax, oxidized polyethylene wax and maleic anhydride grafted polyethylene wax. The auxiliary material formula is used for carrying out surface coating, compression molding and heat treatment on the magnetic powder to form the magnetic powder core. The invention provides an auxiliary material formula with ultrahigh magnetic conductivity, ultralow loss, excellent direct-current bias and high-temperature stability, and the auxiliary material formula is used as an insulating coating material of a magnetic powder core; the magnetic powder core prepared by the preparation method disclosed by the invention realizes extremely low power loss while keeping high magnetic conductivity.

The application relates to a high-efficiency energy-saving type secondary acidizing formation system and process of a lead-carbon battery. The high-efficiency energy-saving type secondary acidizing formation system of the lead-carbon battery comprises a transfer mechanism and a standing mechanism, the transfer mechanism comprises a conveying assembly, a bearing assembly movably arranged on the conveying assembly, a positioning assembly arranged on the bearing assembly and the conveying assembly, and a clamping assembly arranged outside the conveying assembly; after the conveying assembly positions the bearing assembly in cooperation with the positioning assembly, the clamping assembly clamps the bearing assembly into the standing mechanism, and the positioning assembly positions and connects two adjacent bearing assemblies; the high-efficiency energy-saving type secondary acidizing formation process of the lead-carbon battery is based on the acidizing formation system and comprises the following steps: a supporting procedure, an acid adding procedure, a standing procedure and a detection procedure; the application solves the problems that the position is prone to deviation during battery conveying in the existing formation process, the connection between procedures is unstable, the cooling is uneven, and the product consistency is poor.

The invention discloses a nano synergistic modified urea-formaldehyde resin adhesive solid wood composite floor and a preparation method, the composite floor sequentially comprises a protective layer, a solid wood surface layer, a core layer and a bottom layer, and the layers are bonded, compounded and molded through a nano synergistic modified urea-formaldehyde resin adhesive. The nano synergistic modified urea-formaldehyde resin adhesive is prepared from the following raw materials in parts by weight: 100 parts of a urea-formaldehyde resin matrix, 0.5-2 parts of nano titanium dioxide, 3-8 parts of melamine, 0.1-0.3 part of a dispersing agent, 0.8-1.5 parts of a curing agent and 5-15 parts of flour. Nano titanium dioxide in the modified urea-formaldehyde resin adhesive used in the composite floor has an efficient catalytic decomposition effect on free formaldehyde in the urea-formaldehyde resin adhesive, the free formaldehyde can be converted into harmless water and carbon dioxide, the free formaldehyde release amount can be as low as 0.02 mg / m or below through detection and is far superior to the 0.124 mg / m limit value specified by the GB 18580-2025 standard, and the composite floor has the advantages of being environmentally friendly, safe and reliable. And a healthy and safe living environment is provided for consumers. The invention further provides a preparation method of the solid wood composite floor.

The invention relates to a method for preparing lithium sulfide through a sulfur-lithium salt reaction assisted by molten salt, and belongs to the technical field of lithium-sulfur batteries and solid electrolyte materials, and the method comprises the following steps: 1, carrying out mechanical crushing and screening treatment on a lithium salt; then putting the treated lithium salt and molten salt into a crucible, and uniformly mixing; 2, putting the crucible filled with the lithium salt and the molten salt in the step 1 into a reactor; 3, in an inert atmosphere or a reduced pressure atmosphere, sulfur is added into the reactor, so that the sulfur is molten under the action of the molten salt and permeates to the surface of the lithium salt, and the sulfur and the lithium salt react at an interface to generate lithium sulfide; and 4, cooling the system after the reaction to room temperature in an inert atmosphere or a reduced pressure atmosphere, taking out the product, and separating and recovering the residual fused salt to obtain lithium sulfide powder. The method is simple in process and environment-friendly, and the prepared lithium sulfide has the advantages of high purity, low defect, cubic phase and the like, and is suitable for industrial amplification.

The utility model belongs to the technical field of crystallization kettles, and particularly relates to a crystallization kettle, comprising: a kettle body comprising a lower shell, an upper shell, a raw material inlet and a discharge outlet; the stirring device is arranged on the kettle body and comprises a driving device which is arranged on the upper shell and is used for providing power; the upper stirrer is arranged in the kettle body; the lower stirrer is arranged in the kettle body; and a driving shaft of the driving device extends to penetrate through the upper shell and is connected with the upper stirrer and the lower stirrer. The crystallization kettle has the beneficial effects that the upper stirrer and the lower stirrer cooperatively work, and compared with a single axial flow type stirrer in the prior art, the crystallization kettle can more comprehensively cover materials in the kettle body.

The utility model discloses a catalyst gas modification production device, which relates to the technical field of catalyst gas modification and comprises a shell, rotating discs are respectively arranged at two ends of the shell, an intermittent atmosphere rotary kiln is transversely arranged in the shell in a penetrating manner, and two ends of the intermittent atmosphere rotary kiln are respectively arranged on the rotating discs at two ends; an exhaust pipe is arranged at the other end of the intermittent atmosphere rotary kiln; and the inert gas conveying device is communicated with the gas inlet pipe. Compared with an existing vertical gas modification production device, the device has the advantages that a catalyst can continuously roll in the intermittent atmosphere rotary kiln and is in full contact with inert gas, so that the contact area and efficiency of the catalyst and the inert gas are effectively increased, and uniform heating and reaction of the catalyst are realized; and the device can effectively improve the loading capacity of the catalyst, avoids the situation that the catalyst pressed at the bottom cannot be fully heated and react, and effectively improves the modification reaction effect and efficiency of the catalyst.

This invention relates to the field of carbon fiber composite sandwich panel technology, and more particularly to a high-performance carbon fiber sandwich structure panel, comprising an upper skin and a lower skin arranged in parallel, wherein a core layer is bonded and fixed between the upper skin and the lower skin by an epoxy film; the core layer is a double-layer honeycomb composite structure, including a lower honeycomb and an upper honeycomb, wherein a full-width carbon fiber cloth and an epoxy film are laid between the lower honeycomb and the upper honeycomb and hot-pressed together; multiple embedded component assemblies are embedded inside the core layer, and the carbon fiber cloth connects all the embedded component assemblies into an overall force-bearing network; multiple through-type carbon fiber reinforcing ribs are also embedded inside the core layer along the 0° direction, and the carbon fiber reinforcing ribs are simultaneously bonded to the upper skin, the lower skin, and the core layer to form an overall skeleton; this invention solves the problems of easy detachment of embedded components, insufficient stiffness, difficulty in balancing strength and weight, and poor impact resistance in carbon fiber sandwich structure panels.

This invention discloses an apparatus and method for the harmless treatment and resource utilization of organic waste. The apparatus includes a horizontal reactor with a reactor body. Several sets of discontinuous spiral teeth are arranged on the inner wall of the reactor body for pushing materials. A dispersing device is located inside the front end of the reactor for breaking up returned materials. A heating device consists of heating rods arranged in a ring along the inner wall of the reactor body, extending from the bottom of the reactor to the front end of the reactor body, with gaps between the heating rods and the inner wall of the reactor body. The reactor body maintains an upward angle during the organic waste treatment process and rotates under the control of a first motor. The catalyst is sprayed onto the heating rods in powder form. This invention can solve the problems of high-moisture organic waste sticking to the walls, clogging, and high energy consumption.