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135results about How to "Uniform response" patented technology

A rotary counter-hedge industrial waste gas desulfurization system and process thereof

The invention discloses a rotary counter-hedge industrial waste gas desulfurization system and a process thereof, comprising a reaction cylinder, wherein a top cover is fixedly connected to the top of the reaction cylinder, and an air inlet pipe is arranged on one side of the top cover; the rotary stirring action of the transmission blades is helpful to maintain the uniform distribution and flow state of the gas-liquid two phases in the mixing cylinder, which can accelerate the material diffusion and mass transfer process, and can increase the gas-liquid contact surface, thereby improving the efficiency of the desulfurization reaction; at the same time, the dirt, sediment and residue on the inner wall surface of the reaction cylinder and the mixing cylinder are cleaned by a soft scraper and a cleaning brush, thereby reducing the obstruction of the dirt to the gas-liquid reaction, allowing the gas and liquid to flow and mix more smoothly, thereby improving the desulfurization efficiency of the equipment, and the continuously rotating nozzle can make the reaction liquid spray into the waste gas in a more uniform and wider manner, thereby increasing the contact area of ​​the gas-liquid two phases, thereby accelerating the mixing effect between the waste gas and the reaction liquid.
Owner:WANNIAN COUNTY WEIMING ENVIRONMENTAL PROTECTION ENERGY CO LTD

Sedimentation tank for electroplating wastewater treatment and sedimentation treatment method thereof

The invention provides a sedimentation tank for electroplating wastewater treatment and a sedimentation treatment method thereof, and relates to the field of electroplating wastewater treatment. The support is fixedly arranged on one side of the pool body, and a fixing ring is fixedly arranged on one side of the support. During use, an external power switch of a driving motor is turned on, a rotating rod is further driven to rotate, so that first stirring blades rotate, two second gears are driven by a first gear to rotate, and the first stirring blades are driven to rotate; two second stirring blades rotate through two transmission rods, the first stirring blade stirs wastewater close to the upper layer, and the two second stirring blades stirs wastewater close to the lower layer, so that suspended solids on the water surface and precipitates and chemicals in a deeper water area are fully fused and reacted, and therefore, when the sedimentation tank treats electroplating wastewater, the chemicals are fully contacted with pollutants in water, and the electroplating wastewater treatment effect is improved. And suspended matters on the water surface or sediments in a deeper water area can be uniformly distributed and reacted, so that the use efficiency of the medicament is improved, and the reaction effect is improved.
Owner:SHENZHEN YUANCHUANGXIN ENVIRONMENTAL PROTECTION TECH CO LTD

Aquaculture filtering equipment

The invention relates to the technical field of aquaculture, in particular to aquaculture filtering equipment which mainly comprises a filtering tank and a stirring mechanism, a water drainage opening is formed in the bottom face of the filtering tank in a penetrating mode, a water inlet and a medicine adding opening are formed in the top face of the filtering tank in a penetrating mode, and the stirring mechanism is arranged in the filtering tank and comprises a baffle located in the filtering tank. And the vibrating mechanism is arranged below the barrier plate. A motor drives a rotating shaft, a limiting strip and a rotating plate to rotate, when the rotating plate drives a connecting shaft and a stirring blade to rotate, a roller on the connecting shaft rolls on the inner wall of a fixed frame, and under the action of the roller, the fixed frame, a groove body and a fixed rod, the connecting shaft and the stirring blade revolve, rotate and move up and down in a reciprocating manner at the same time; therefore, contact and reaction between the flocculating agent and the water body are more uniform, the flocculating agent can fully play a role, impurity particles are fully captured or coagulated, and the impurity separation and precipitation effect and the water body filtering quality in the water treatment process are improved.
Owner:ZHUHAI HAICHUAN AGRI CO LTD

Blasting hole-sealing waterproof material with low reaction temperature and rapid solidification function

The invention provides a blasting hole sealing waterproof material with a low reaction temperature and a rapid solidification function, and belongs to the technical field of hole sealing materials. The blasting hole sealing waterproof material comprises a component A and a component B, the component A is prepared from magnesium oxide, metakaolin, calcium fluotitanate, lithium carbonate, nano zirconium oxide and water; the component B is prepared from monopotassium phosphate, borax, lithium phosphate, superfine calcium carbonate and polytetrafluoroethylene particles. The two components are mixed according to the volume ratio of 1: 1. The material can be rapidly solidified at a low reaction temperature, the compression resistance and the impermeability are remarkably improved, the material is suitable for occasions such as underground engineering, tunneling and coal mine excavation, and the problem that the performance of an existing hole sealing material is reduced under moisture permeation is solved. In addition, the adopted preparation method is simple and easy to implement, and the excellence and the application effect of the material are ensured.
Owner:BASF HOCK MINING CHEM CHINA

Methanol water reforming hydrogen production reformer device

The utility model provides a reformer device for hydrogen production by reforming methanol water. The reformer device for hydrogen production through methanol water reforming comprises a reaction cylinder, a ceramic heating ring used for heating is installed on the surface of the reaction cylinder, a spiral stainless steel heating pipe used for preheating methanol is wound on the surface of the ceramic heating ring, and the bottom end of the stainless steel heating pipe is connected with the interior of the reaction cylinder; a heat insulation plate is mounted at the top end of the reaction cylinder, and a spiral condensation copper pipe is mounted in the heat insulation plate; a zeolite layer for uniformly vaporizing a methanol aqueous solution is arranged at the bottom end of the reaction cylinder, a separation net is arranged between the zeolite layer and the catalyst layer, and the separation net and the catalyst layer are positioned in the reaction cylinder. The methanol water reforming hydrogen production reformer device provided by the utility model has the advantages of small equipment volume, full utilization of heat and uniform vaporization of a methanol water solution.
Owner:ANHUI AIKELAN RES INST CO LTD

Self-supporting alloy negative electrode and preparation method thereof

The invention relates to a self-supporting alloy negative electrode and a preparation method thereof. The negative electrode is a composite material containing metal, an intermetallic compound and a high polymer material. The preparation method comprises the following steps: firstly, preparing a copper foil with a circular through hole structure through a direct current electrodeposition method, then coating a layer of polymer insulating film on one surface of the copper foil, and then depositing a layer of dual-phase alloy negative electrode active material on the other surface of the copper foil through a double-target co-sputtering method. And dropwise adding a colloidal electrolyte on the surface of the active material, curing at a certain temperature, and finally pre-embedding lithium to obtain the final alloy negative electrode. The prepared alloy negative electrode has outstanding electrochemical performance: the gram volume is higher than 1000mAh / g, the lithium intercalation and deintercalation potential is lower than 0.5 V (Vs Li / Li < + >), and the alloy negative electrode has high volume and mass energy density; the cycle life is long, and the material can stably circulate for more than 100 cycles; the growth of lithium dendrites can be inhibited, the risk of short circuit is avoided, and the safety is high. The preparation method of the electrode material is simple, and industrial large-scale production can be realized.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS

Device and method for preparing lithium carbonate through continuous flow lithium deposition

The invention relates to the field of lithium carbonate preparation, and discloses a device and a method for preparing lithium carbonate through continuous flow lithium precipitation. The device comprises a first reaction kettle and a second reaction kettle which are used for continuous lithium precipitation reaction and a buffer tank used for aging, a stirring device in the first reaction kettle is provided with an upward pushing type stirring component, and stirring devices in the second reaction kettle and the buffer tank are provided with downward pushing type stirring components, so that the flow velocity of materials can be slowed down in the reaction process, and the reaction efficiency is improved. And the lithium carbonate with better granularity can be obtained. The lithium carbonate is prepared by adopting the device, the quality and the yield of the lithium carbonate are improved through two-step continuous lithium precipitation and one-step aging process, and the whole process method is high in continuity, simple, convenient and controllable, and is convenient for large-scale industrial production.
Owner:MINMETALS SALT LAKE CO LTD

Interface type photo-thermal synergistic hydrogen production reactor

The invention discloses an interface type photo-thermal synergistic hydrogen production reactor which comprises a shell and a hydrogen production reaction structure. The shell is provided with a feeding port, the hydrogen production reaction structure is arranged in the shell, and a gas channel is formed between the hydrogen production reaction structure and the shell. An internal channel is formed in the hydrogen production reaction structure in the axial direction of the hydrogen production reaction structure, the internal channel is communicated with the feeding port, at least part of the hydrogen production reaction structure is of a porous structure, and the porous structure is provided with a catalyst for hydrogen production. A reaction solution enters the internal channel through the feeding port and radially diffuses to the surface of the hydrogen production reaction structure from the porous structure, and gas generated by the reaction solution through a catalytic reaction is discharged from the gas channel. The interface type photo-thermal synergistic hydrogen production reactor combines photo-thermal catalysis and thermocatalysis effects, utilizes solar energy to the maximum extent, adopts brand new radial conveying, and has the advantages that the flowing speeds of reaction solutions at all positions in the radial direction are consistent, and the reaction is more uniform and more sufficient.
Owner:CHONGQING UNIV

High-efficiency closed-pore high-stability slurry, preparation method thereof, lithium ion battery and electric equipment

ActiveCN121983749AClosed cells are efficient and uniformReduce melting phase change enthalpySecondary cellsCell component detailsElectrical batteryMicrosphere
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.
Owner:湖南防灾科技有限公司 +2

Manufacturing method of micro-channel heat dissipation chip

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.
Owner:XIAMEN UNIV

Preparation method of diphenyl disulfide

The invention belongs to the technical field of organic synthesis, and provides a preparation method of diphenyl disulfide, which comprises the following steps: A, in a dry atmosphere filled with inert gas, mixing halogenated benzene and magnesium powder, reacting to generate a Grignard reagent, and cooling to 0-15 DEG C; and B, dissolving disulfur dichloride in a solvent, dropwise adding the solution into the Grignard reagent obtained in the step A, carrying out a stirring reaction at 0-15 DEG C, carrying out a quenching reaction by using a saturated ammonium chloride aqueous solution, and carrying out extraction, drying and concentration on an organic phase to obtain diphenyl disulfide. The method adopts a one-pot method for direct synthesis, and is green and environment-friendly, and high in yield and purity.
Owner:JINTAIXU CHEMICAL TECHNOLOGY (WUXI) CO LTD

A production process for preparing an electroplating grade potassium pyrophosphate

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.
Owner:HUBEI XINGFA CHEM GRP CO LTD

Intelligent mechanical response light-emitting heterojunction material and preparation method and application thereof

The invention provides an intelligent mechanical response luminescent heterojunction material and a preparation method and application thereof, the chemical expression is x ZnS-(1-x) CaZnSO: 1% Mn < 2 + >, 0 < = x < = 1; the preparation method of the material comprises the following steps: (1) mixing ZnS, CaCO3 and MnCO3 according to a molar ratio of (1: 0)-(1: 1), and then adding MnCO3 accounting for 1% of the mass of the mixed powder; adding ethanol, grinding, and uniformly mixing to obtain mixed powder; (2) putting the mixed powder into a raw material reaction bottle, then putting the raw material reaction bottle into a reactor, and preparing a heat-insulating brick group to obtain a reaction device equipped with the mixed powder; and (3) preparing a microwave reaction furnace provided with a turntable capable of controlling rotation, placing the reaction device in the microwave reaction furnace for a synthetic reaction, and cooling after the reaction is finished to obtain the intelligent mechanical response luminescent heterojunction material. The material disclosed by the invention is obvious in mechanical luminescence phenomenon and high in luminescence efficiency, can directly generate the mechanical luminescence phenomenon through external force application, and can be applied to preparation of a mechanical force responsive film.
Owner:JIANGNAN UNIV

Polypropylene composite filler based on electrocatalytic oxidation coal gasification fine slag as raw material and preparation method thereof

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.
Owner:LINHUAN COKING +1

A performance testing method for high performance foam concrete

ActiveCN119223843BImprove water retention performanceImprove thermal conductivityFoam concreteActivated carbon
The present invention discloses a performance testing method for high-performance foam concrete, wherein the formula of high-performance foam concrete includes, by weight ratio: 100-120 parts of cement, 42-48 parts of aggregate, 26-32 parts of admixture, 81-95 parts of water, 9-11 parts of activated carbon particles, 12-18 parts of ceramic particles, and 2-4 parts of foaming agent, and then, by mixing and stirring, it is prepared into a fluid form, and then poured on the road surface, or poured in a mold to make a permeable brick; the test method includes a water permeability test, a gas permeability test, a compression test, and a wear resistance test, which are used to test the various properties of the obtained foam concrete test sample. The present invention enables the obtained foam concrete to be applied to the paving of roads, and can be prepared into permeable bricks to be laid on pedestrian corridors, with extremely high strength, good water seepage and water containment capacity, and can effectively avoid cracking of the road surface, ensuring the safety of vehicles and pedestrians. The present invention is applicable to the technical field of preparation and testing of foam concrete.
Owner:INNER MONGOLIA UNIV OF TECH

Cooling and stirring structure of heating furnace for preparing hydrogen storage materials

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.
Owner:XIAN INJIE INTELLIGENT EQUIPMENT TECHNOLOGY CO LTD

Gas-liquid reaction equipment

The utility model provides gas-liquid reaction equipment which comprises a tower main body, a gas-liquid separator and a gas-liquid separator, the reaction assemblies are arranged in the reaction space, each reaction assembly comprises a filler component, the filler component forms a structural area penetrating through the filler component in the longitudinal direction, and the pore diameter of the structural area becomes smaller and smaller from the topmost end to the bottommost end; and the spraying head sprays towards the top of the tower main body, and the spraying head is located in the structural area, so that liquid sprayed by the spraying head enters the structural area. As the pore diameter of the structural area is smaller and smaller from the topmost end to the bottommost end, the gas can flow through a wider and wider channel in the process of flowing upwards along the structural area, and the flow speed of the gas is slowed down due to the widening of the channel when the gas passes through the pore diameter change part every time, so that the reaction time of the gas and the liquid is favorably prolonged, and the reaction efficiency is improved. And the reaction efficiency of gas and liquid is effectively improved.
Owner:FOOTECARBON CO LTD +1

Porous foamy carbon material and preparation method thereof

PendingCN119430143Apromote formationHigh degree of graphitizationCarbon preparation/purificationLiquid carbonAlloy
The invention relates to a porous foamy carbon material and a preparation method thereof. The preparation method comprises the following steps: mixing alloy powder, a liquid carbon source and dry ice, and reacting in a supercritical carbon dioxide medium environment formed under a sealed heating condition to prepare the porous foamy carbon material. According to the preparation method disclosed by the invention, the porous foamy carbon material with a special morphology structure can be prepared, the strength and the structural stability of the carbon material are improved, and the application requirements in multiple fields can be met.
Owner:NINGBO YINGCHUANG SCI & TECH ACHIEVEMENTS TRANSFORMATION SERVICE PARTNERSHIP (LLP)

High-temperature-resistant reaction device

The invention discloses a high-temperature-resistant reaction device, relates to the technical field of high-temperature-resistant reaction equipment, and aims to solve the problem that pressure cannot be quickly relieved when high pressure is generated in an existing reaction device. The stirring reaction mechanism comprises a reaction kettle, a thermal insulation layer, an inlet, a stirring assembly and a driving assembly; the heat preservation layer prevents temperature loss of the reaction kettle, materials are fed at the inlet, the stirring assembly homogenizes the materials, and the driving assembly drives the stirring assembly. The pressure relief cleaning mechanism comprises a pressure relief bin, an air inlet pipe, a valve, a resistance assembly and a cleaning assembly. The gas inlet pipe communicates with the reaction kettle and the pressure relief bin, the valve relieves pressure when high pressure exists in the reaction kettle, the resistance assembly controls the valve to be opened and closed, and the cleaning assembly removes crystals on the inner wall of the reaction kettle. By arranging the pressure relief cleaning mechanism and combining with the intelligent control system, the real-time monitoring and intelligent regulation and control of the air pressure in the reaction kettle are realized.
Owner:SHANDONG LIANBANG HEAVY IND

WS2 / W composite material, preparation method thereof and application of WS2 / W composite material in sodium-sulfur battery

PendingCN121964584AAccelerate conversion reaction rateAbundant polar active sitesCell electrodesSecondary cellsSulfide compoundTungsten hexachloride
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.
Owner:SHAANXI UNIV OF SCI & TECH

High-performance NASICON type oxide electrolyte and preparation method thereof

The invention belongs to the field of energy storage, and particularly relates to a high-performance NASICON type oxide electrolyte and a preparation method thereof. The electrolyte takes an NASICON type oxide as a matrix and contains polyoxometallate accounting for 0.1-20% wt of the NASICON type oxide, the electrolyte can effectively improve the sodium affinity and intrinsic ionic conductivity of the NASICON solid electrolyte, and the interface impedance of the prepared sodium symmetric half cell at room temperature is smaller than 20 omegacm < 2 > and is as low as 16.7 omegacm < 2 >. According to the invention, the reaction between the NASICON and the additive is more uniform by adding the polyoxometallate in situ, a uniform and stable structure is formed, and the sodium ion conductivity of the NASICON solid electrolyte is effectively improved.
Owner:SHANDONG CHUANGLU ADVANCED BATTERY TECH CO LTD

A method for preparing a yellowing-resistant polyvinyl butyral resin

PendingCN122302132AUniform responseBalanced degree of acetalization
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.
Owner:LUCKY OPTOELECTRONIC MATERIALS CO LTD

Reaction device for preparing silver-attached silica gel

The reaction device comprises a roller, a driving mechanism, a feeding mechanism, a heating mechanism, a control box and a support, the roller is arranged on the support, a feeding port and a discharging port are formed in the roller, the roller is used for attaching silver to silica gel in the roller, the driving mechanism is connected with the roller, and the heating mechanism is connected with the roller. The control box is used for controlling the driving mechanism to drive the roller to rotate, controlling the feeding mechanism to introduce a silver nitrate solution into the roller, controlling the heating mechanism to heat materials in the roller and controlling the silica gel silver attaching reaction process. The reaction device integrates the functions of spraying, rolling and drying, is more convenient to operate, more uniform in reaction and free of mechanical stirring, and greatly reduces the breakage rate of a silver-attached silica gel product; the reaction device is provided with a control box, so that reaction time, reaction temperature, drying time, drying temperature, drum rotating speed and the like can be effectively and qualitatively controlled; the size of the reaction device can be designed according to product requirements, and silver-attached silica gel with good technical indexes can be prepared on a large scale.
Owner:CHINA NUCLEAR POWER ENGINEERING CO LTD

Battery-grade lithium carbonate as well as preparation method and application thereof

PendingCN121757888Alow ion contentReduce inclusionsCell electrodesSecondary cellsGas liquid reactionElectrical battery
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.
Owner:HUNAN YONGSHAN LITHIUM CO LTD

Polymer modified asphalt composition and preparation method thereof

The invention discloses a polymer modified asphalt composition and a preparation method thereof, and relates to the technical field of asphalt materials. The invention has the advantages that the performance of the asphalt composition is improved through composite modification of multiple components, the surface activity of nano silicon dioxide is enhanced after pretreatment, the gaps between asphalt molecules are filled, the structural stability and wear resistance are improved, and the nano silicon dioxide is tightly combined with the asphalt molecules due to its nano size, the plant polymerizable components extracted from flax seeds are subjected to a series of treatments, and the active groups thereof react with the asphalt molecules to improve the flexibility and adhesion, the ionic liquid is synthesized and pretreated, and the anions and cations act on the active sites of the asphalt molecules to improve the anti-aging performance, the thermosensitive polymer is composed of a copolymer containing specific chain segments, the low-temperature shrinkage makes the molecular structure compact and crack-resistant, and the high-temperature stretching adapts to the volume expansion and remains stable, effectively improving the high-temperature stability and low-temperature crack resistance, and extending the service life of the paved material.
Owner:PANJIN TAIHE PETROCHEMICAL CO LTD

Apparatus and method for removing air bubbles from an ion exchange column

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.
Owner:EAST CHINA UNIV OF SCI & TECH

Microfluidic Controlled CSTR Reaction and Detection System

A microfluidic control CSTR reaction and detection system provided by the present invention includes: a precision injection module: the module is a first precision injection pump whose number corresponds to the type of reaction reagent; a CSTR module: including a magnetic stirrer and a first reaction pool, which includes an inner pool and an outer pool, the outer pool is surrounded by the periphery of the inner pool, a covering plane is arranged on the top of the inner pool, a first channel is arranged between the inner wall of the outer pool and the outer wall of the inner pool, and the first channel is a cavity structure; the side of the outer pool is provided with a first inlet, a second inlet and a first outlet at intervals, and the top or bottom of the inner pool is provided with a second outlet; and a microfluidic detection window: the window is a square structure, one of the opposite sides is provided with an optical second channel, and the top is provided with a third inlet and a third outlet; the first precision injection pump is connected to the first inlet, the second outlet and the third inlet through a first pipeline. The system can not only carry out a variety of experiments, but also can perform indication, detection and microfluidic control.
Owner:沈厚亮

Multi-channel uniform injection loop reaction device for preventing liquid phase implosion

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.
Owner:LIAOYANG JINGYI CHEMICAL CO LTD

A system and method for determining the mass fraction of organic carbon in soil aggregates

ActiveCN120427828Bconvenience quality scoreGuaranteed accuracySoil aggregateSoil science
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.
Owner:NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA

Flexible perovskite solar cell and preparation method thereof

The embodiment of the invention relates to the field of solar cell photovoltaic technology, and provides a flexible perovskite solar cell and a preparation method thereof, and the preparation method of the flexible perovskite solar cell comprises the steps: providing a bearing substrate; forming a poly-p-xylylene layer on the bearing substrate by adopting a chemical vapor deposition process; a laminated structure is formed on the surface, away from the bearing substrate, of the poly-p-xylylene layer, the laminated structure at least comprises a perovskite layer, a first electrode layer and a second electrode layer, the first electrode layer and the second electrode layer are located on the two opposite sides of the perovskite layer, and the first electrode layer is located between the poly-p-xylylene layer and the perovskite layer; after the laminated structure is formed, a stripping process is performed to strip the carrier substrate from the poly-p-xylylene layer. According to the embodiment of the invention, at least the preparation cost of the flexible perovskite solar cell can be reduced, and the performance and preparation efficiency of the flexible perovskite solar cell can be improved.
Owner:江淮前沿技术协同创新中心 +1