245results about How to "Effective dispersion" patented technology

This utility model relates to the field of road engineering, specifically to a rutting-free semi-flexible asphalt pavement structure, comprising, from bottom to top: a cement-stabilized crushed stone base course; a bonding layer composed of a 0.5-0.8 kg / m² modified emulsified asphalt prime coat and a 2.0-2.5 kg / m² rubber asphalt tack coat; a semi-flexible asphalt lower layer using open-graded asphalt mixture; a stress-absorbing layer using highly elastic modified asphalt sand; a semi-flexible asphalt upper layer using discontinuously graded asphalt mixture; and a functional layer using a water-based epoxy resin seal coat. This utility model, through its double-layer semi-flexible structure and gradient porosity design, enhances the overall strength and deformation resistance of the pavement, significantly improving rutting resistance; the composite bonding layer design effectively improves the adhesion between the base course and the surface course, preventing interlayer slippage and ensuring strong interlayer bonding; a three-dimensional drainage network and edge drainage system quickly remove surface water, reducing water damage and optimizing drainage performance; and the application of the stress-absorbing layer and polyester fibers effectively disperses stress concentration caused by vehicle loads, resulting in uniform stress distribution.

The present application relates to a kind of scratch-resistant easy-to-color polypropylene composite material and its preparation method and application, belong to the composition technical field of polymer compound.The scratch-resistant easy-to-color polypropylene composite material of the present application includes the following weight parts of component: polypropylene resin 50~99 parts, toughening agent 0~20 parts, filler 0~25 parts, flake graphite 0.05~1.1 parts, scratch-resistant agent 0.5~4 parts;The flake graphite includes flake graphite A and flake graphite B, the mesh number of the flake graphite A is ≥1000 mesh;The mesh number of the flake graphite B is ≤400 mesh, and the flake layer structure between flake graphite B is filled with scratch-resistant agent.The polypropylene composite material not only has excellent scratch resistance, but also has good coloring performance.

This application discloses a prefabricated installation structure for metal ducts, belonging to the technical field of pipe connection structures. It provides a prefabricated installation structure for ducts with better connection flatness, including a bridging component connecting adjacent ducts. The bridging component includes an inner frame and an outer frame. A narrowing frame is provided between the outer wall of the inner frame and the inner wall of the outer frame. Embedded grooves are formed between the two end faces of the narrowing frame and the outer walls of the inner and outer frames. A pressing component is fixedly connected to a pair of opposing outer sides of the outer frame. The duct has an outwardly extending side plate on the side perpendicular to the pressing component. A snap-fit ​​component is fixedly connected to the outer frame on the side perpendicular to the pressing component. This invention, by providing a pressing component structure on opposing sides and applying pre-pressure, can better keep adjacent ducts in the same extension direction. Combined with the bridging component embedded in the duct end structure, the connection ends of the duct units can be kept flush, effectively reducing the light transmission probability at the connection point and effectively improving airtightness.

The utility model relates to a heat dissipation type new energy automobile battery shell, relates to the technical field of battery shells, and aims to solve the problem of poor heat dissipation of a battery shell, the heat dissipation type new energy automobile battery shell comprises a main shell body, the two ends of the main shell body are open, heat dissipation end covers are arranged at the two ends of the main shell body, and any heat dissipation end cover comprises a base and a flow guide outer cover; the base is arranged on the side, close to the main shell, of the flow guide outer cover, the base and the flow guide outer cover are each of a hollow structure and communicate with the interior of the main shell, flow guide through holes are formed in the four side walls of the base in a penetrating mode, and a fan module is arranged in the main shell. And a fan notch for air flow to circulate is formed in the main shell. The battery pack has the effects of effectively absorbing heat generated by the battery and quickly dissipating the heat.

The utility model relates to the technical field of hairdressing equipment, in particular to a rotary adjustable hair curling rod which comprises a shell, a hair curling assembly, a rotary shifting piece and an upper limiting block. The gear set of the rotary base is meshed with the driven gear, and the second gear teeth of the rotary shifting piece are meshed with the gear set, so that accurate rotation control over the curling iron is achieved, the curling angle and the curling direction can be adjusted more flexibly and stably, the curling effect and the user experience are improved, and the practicability is high. The heating piece is guided through the first moving guide rail and the second moving guide rail, the stability and accuracy of the heating piece in the hair curling process are guaranteed, the problems that a traditional hair curling rod is uneven in heating and unsmooth in hair curling are solved, the hair curling quality is effectively improved, and the upper limiting block and the top cover improve the structural stability of the hair curling rod and improve the hair curling efficiency. And in addition, the use safety is improved, the heating piece is prevented from accidentally falling off or shifting, and safer and more reliable use experience is provided for a user.

The invention provides a metal monatomic loaded lamellar stacked carbon nitride hollow cubic material as well as a preparation method and application thereof, and ACT-Fe / Na-C3N4 (0.04) with a three-dimensional hollow cubic morphology and uniformly dispersed in-plane / interlayer double Fe monatomic sites is successfully prepared by utilizing a morphology amorphous-to-crystalline transition (ACT) strategy. And crystal form regulation and fine design of metal atom sites are integrated. The built in-plane Fe-N4 and interlayer Fe-N5 coordination structure significantly improves the electron transport efficiency of the material, enhances the adsorption and activation ability to O2 molecules, realizes efficient generation of. O2 <->, and provides controllable reaction conditions for selective conversion of biomass, so that the HMF conversion rate reaches 98.8%, and the HMFCA selectivity reaches 83.7%. In addition, the ACT strategy is generally suitable for the assembly of a variety of transition metals (Mn, Fe, Co, Cu or Cd) at the same time.

This invention relates to the field of flue gas treatment technology, specifically to a sulfur dioxide gas absorbent, comprising the following raw materials by weight: 90-100 parts of an aqueous amine solution and 2-6 parts of additives. In this invention, the nitrogen-zinc ion-sulfur active center of the catalyst acts as a molecular key, efficiently and reversibly coordinating and activating sulfur dioxide molecules, significantly reducing the reaction energy barrier and fundamentally improving the intrinsic absorption rate. The enhancer, with its high specific surface area, provides a large interface for the reaction. Its surface sulfonic acid groups not only buffer the decrease in system pH, maintaining the optimal acid-base environment for the reaction, but also catalyze the conversion of absorption intermediates into more stable products, thereby shifting the reaction equilibrium to the right. Under the combined effect of these two factors, the catalyst accelerates the reaction towards equilibrium, while the enhancer continuously shifts the equilibrium point, resulting in a higher absorption capacity for the absorbent.

The application relates to a multi-field synergistic intelligent regulation and control titanium ore sorting device and a sorting method. The device realizes efficient grading and sorting of titanium ore particles with different magnetism, electricity and density through the multi-field synergistic effect of integrated magnetic field, electric field and gravity field, in combination with an ultrasonic dispersion and intelligent parameter regulation and control system. The problems of low sorting precision of a single force field, agglomeration of fine particle materials and parameter regulation lag in the prior art are solved, so that the sorting efficiency and product purity are improved.

The application relates to the technical field of building engineering, in particular to a prefabricated reinforced concrete formwork structure for a building frame beam body column, which comprises a formwork platform, a pouring mold, a material guide frame and a material guide bin, and further comprises a supporting plate, the supporting plate is arranged on the formwork platform, and the pouring mold is supported through the supporting plate when the pouring mold is impacted by concrete, the prefabricated reinforced concrete formwork structure for the building frame beam body column has the advantage that the supporting mechanism can follow the falling position of the concrete pouring to synchronously additionally support the position of the pouring mold impacted by the falling concrete, during the concrete pouring process, especially when large-volume concrete or high-fall pouring is carried out, a large impact force is generated, additional support can effectively disperse and absorb the impact force, the direct impact on the main structure is reduced, and thus the main structure is protected from damage, and the local reinforced supporting mode can more effectively disperse and resist the impact load.

The utility model discloses a hollow arch board for building construction, including board main body, and board main body is integrally extruded by light material, the board main body is as a whole arch structure, and is equipped with arch toe on both sides, the board main body is hollow structure, and is equipped with a plurality of webs inside, and the web divides the board main body inside into multiple continuous rectangular, triangle or trapezoidal hollow cavities, the utility model discloses integrally extruded by light material such as PVC or aluminum alloy, has reduced the dead weight of board significantly, and the board is as a whole arch structure, and then combines the web set up inside, has formed the stable mechanical structure, can effectively disperse pressure, has avoided the problem that the bending stiffness of flat plate structure is low and can not satisfy the bearing demand.

The utility model discloses a detachable buckle lifting packaging box connecting mechanism, and relates to the technical field of packaging box connecting mechanisms, the detachable buckle lifting packaging box connecting mechanism comprises a base, and an arch bridge rod is arranged on the base; the knuckle is fixedly arranged on the upper wall of the base; a sleeve hole is formed in the upper wall of the end part of the lifting belt in a penetrating manner; the base is designed to be of a triangular structure. According to the detachable buckle lifting packaging box connecting mechanism, the knuckle and the arch bridge are combined into a whole, and the structure and the principle of a traditional waistband are used for reference, so that the assembling process of the packaging box becomes extremely simple and convenient. And the original two-time assembly step can be completed only through one-time operation, so that the packaging efficiency is greatly improved, the packaging time is shortened, and the quick packaging device is particularly suitable for the quick packaging requirement in large-scale production.

The utility model provides a kind of hoisting structure for clearing warehouse machine, comprising: fixed support, connecting frame, support arm, rotating mechanism, cable mechanism and hoisting mechanism, the connecting frame is located at the bottom of fixed support, the support arm is rotatably connected in the bottom of connecting frame, the rotating mechanism is located at the top of fixed support and is connected with connecting frame, the cable mechanism is located on rotating mechanism, the hoisting mechanism is located on cable mechanism. By setting cable one, pulley one, pulley two, lifting hook one, lifting hook two and cable two and other structures, the overall connection of cable is simple, force transmission path is simple and clear, energy loss is smaller when bearing conventional load, load can be more efficiently transmitted to anchorage point, stress can be effectively dispersed, stress concentration can be reduced, and the number of connecting components is small, the installation period is short, the daily maintenance cost and workload are small, effectively improve the service durability and safety of cable structure.

The utility model relates to a kind of surface treatment devices for gear machining, including the base being set to surface treatment device, the base is provided with the circular table for placing gear, the circular table is provided with four center symmetry distribution and is used for the fixture of fixed gear, the base is provided with the connecting component for driving fixture movement, the base is provided with the drive component for driving connecting component rotation.The surface treatment device for gear machining, power is converted into transmission by controlling connecting component, so as to drive four fixtures to move to opposite side, so as to utilize four fixtures to push and shove gear to central axis and carry out fixation, so that clamping force effectively disperses in every tooth top of gear, avoid the deformation of single tooth top by excessive force, magnet of connecting plate top is absorbed T type iron piece, offset the loosening tendency generated by vibration, and rubber pad has elasticity, can avoid rigid contact to the damage of gear surface.

The invention discloses a method for synthesizing ziram. The method comprises the following steps: S1, stirring a compound surfactant and zinc oxide to obtain a dispersion liquid; s2, sealing and pressurizing, and adding dimethylamine for reaction to obtain a dimethylamine salt mixture; and S3, dropwise adding carbon disulfide, performing condensation reaction, and removing impurities to obtain the ziram, wherein the compound surfactant contains at least one of a nonionic surfactant, an anionic surfactant or a macromolecular surfactant. According to the method, the efficient and green synthesis of the ziram is realized through the synergistic effect of a compound surfactant system, a sealed pressurized reaction and a progressive charging sequence.

The application relates to a method for preparing a graphene-containing modifier based on a carbon-containing gas and application, and belongs to the technical field of magnesium alloy. The application aims to solve the problems of high cost, poor refining effect, unstable refining effect, poor working environment, poor forming capacity and mechanical property of cast magnesium-aluminum alloy complex thin-wall components of existing magnesium-aluminum alloy modifiers. The graphene-containing modifier is prepared by feeding the carbon-containing gas into a magnesium melt, and the graphene in the modifier is well dispersed. The modifier is put into a magnesium-aluminum alloy melt, and after standing, the melt is fully mixed and reacted by stirring, and then is solidified at a certain cooling speed after standing, so that the magnesium-aluminum alloy is refined. The application has the advantages of low cost, simple operation, cleanness, stability and high efficiency of the modifier, and slow refining recession. The graphene-containing modifier prepared by the application is suitable for grain refinement of aluminum-magnesium alloy.

The utility model relates to the technical field of building keels, and discloses a three-dimensional aluminum ceiling assembly type composite keel which comprises a fixing bolt, the bottom of a screw of the fixing bolt penetrates through a wall, the outer side of the fixing bolt is connected with one end of a first shaft rod, and the other end of the first shaft rod is connected with a second shaft rod. The first shaft rod and the second shaft rod are connected in a penetrating mode through the rotating axis. The mounting seat is fixed on the first shaft rod, the fixing seat is mounted on the upper surface of one group of second shaft rods, and the movement of the fixing seat is adjusted through the movement of the screw rod pushing piece. The double-locking structure that the fastening bolt piece penetrates through the adjusting groove and abuts against the surface of the keel is adopted, and it is ensured that the keel is stably fixed. The vertical load is transmitted to the wall body through the assembly locking plate, the fastening plate and the fixing bolt, the horizontal load is converted into axial force through the crossed shaft rod structure, the U-shaped cross section and the multiple assemblies act synergistically, and the overall compression resistance, bending resistance and impact resistance are greatly improved.

The utility model relates to the field of anchoring, in particular to a dual-mode pressure-bearing anchor rod which comprises an anchor rod body, a first boss is arranged at the top of the anchor rod body, a third boss is arranged at the bottom of the anchor rod body, a second boss is further arranged on the anchor rod body at the position L above the third boss, and L is larger than or equal to 0. A bag is fixed between the first boss and the second boss, and a grouting pipe and an exhaust pipe which penetrate through the first boss and extend into the bag are arranged on the first boss; a plurality of blades are movably connected to the end face of the third boss and can move between an unfolded state and a folded state, and elastic devices are further arranged between the blades and the third boss, so that the blades tend to move towards the unfolded state. According to the utility model, by integrating the structure of the bag and the anchor disc, the anchoring effect is improved, and the adaptability is obviously enhanced.

The utility model discloses a high-strength PC (polycarbonate) board cleaning water tank, which belongs to the technical field of cleaning water tanks and is characterized by comprising a PC water tank main body, the PC water tank main body is of a rectangular tank body structure and comprises a bottom and four side walls, the bottom and the four side walls are of an integrated structure, reinforcing structures are arranged on the surface and the inner wall of the PC water tank main body, and the reinforcing structures are arranged on the inner wall of the PC water tank main body. The two reinforcing structures are in bolted connection; the reinforcing structures comprise angle braces, the angle braces are arranged at the four corners of the surface and the four corners of the inner wall of the PC water tank body respectively, the two reinforcing structures are located inside and outside the PC water tank body respectively to form an all-dimensional and three-dimensional reinforcing system, stress can be effectively dispersed when the water tank is subjected to external force, and the water tank is more stable in performance. The overall strength and deformation resistance of the PC water tank body are remarkably improved, the problems that the bottom of the water tank is sunken, the edge of the water tank cracks and the like are effectively solved, the service life of the water tank is prolonged, the water tank can still keep stable in structure when bearing large pressure or containing heavy objects, and the high-strength use requirement is met.

This invention belongs to the field of catalyst materials technology, specifically relating to a Pd-UiO-66 particle electrode, its preparation method, and its application. The Pd-UiO-66 particle electrode uses a zirconium-based metal-organic framework UiO66 as a support. Palladium nanoparticles are obtained by reducing palladium salts with sodium borohydride. The palladium nanoparticles are then reacted with the hydroxyl groups on the polyvinyl alcohol molecules. 2+ The coordination between the components and the steric hindrance effect of the long-chain molecules of polyvinyl alcohol regulate the dispersion of palladium nanoparticles, allowing palladium nanoparticles to be loaded onto UiO66 to obtain Pd-UiO-66. The Pd-UiO-66 particle cathode in this invention avoids the aggregation of palladium nanoparticles, greatly increasing the electrode area / solution volume ratio and helping to provide more active sites for dechlorination.

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 a copper-silicon catalyst for plasma treatment as well as a preparation method and application of the copper-silicon catalyst. According to the method, a copper-silicon catalyst precursor prepared by a traditional ammonia distillation method is subjected to dielectric barrier discharge plasma treatment in the atmosphere of H2 / Ar and the like, and traditional high-temperature roasting and reduction processes are replaced. According to the method, efficient reduction and high dispersion of copper can be achieved at the room temperature, the Cu < + > / Cu0 proportion is regulated and controlled, and the strong interaction between metal and a carrier is enhanced. The catalyst is used in a reaction for preparing ethylene glycol through hydrogenation of dimethyl oxalate, the activity, selectivity and stability of the catalyst are higher than those of a traditional heat treatment catalyst, the dimethyl oxalate conversion rate reaches up to 100%, the ethylene glycol selectivity is larger than 97%, and the stability reaches 1000 h or above. The method is simple in process, low in energy consumption and environment-friendly, and has a wide industrial application prospect.

This invention discloses a multi-dimensional blending method for heating lubricating oil. The method first initializes data such as the viscosity-temperature characteristic curve of the base oil, the dissolution activation energy of additives, and the thermal degradation threshold. Then, it constructs a multi-dimensional coupled model encompassing temperature, rheology, and time dimensions. The main heating unit maintains the base oil's basic flow temperature and performs low-speed pre-blending. During additive injection, an auxiliary heating unit rapidly heats the local fluid at the instantaneous optimal dissolution temperature calculated by the model. Apparent viscosity is calculated based on mixing torque feedback. Shear rate and heating power are dynamically adjusted according to the blending efficiency function. The blending endpoint is determined using a "viscosity-energy consumption" feedback loop, and parameters are optimized through an adaptive learning module. This method achieves efficient dispersion, energy saving, low thermal damage, and improves product mixing uniformity and batch quality stability.

The utility model discloses a double-helix stirring device for uniformly dispersing concrete conductive components, which comprises a stirring barrel, a protective cover is movably mounted at the top of the stirring barrel, a protective shell is fixedly mounted at the top of the protective cover, a stirring component is arranged in the protective shell, and the stirring component is arranged in the protective shell. And scrapers are symmetrically and fixedly mounted on the two sides of the stirring assembly. According to the double-helix stirring device for uniformly dispersing the conductive components of the concrete, through the arrangement of the stirring assembly, the packing auger and the scraping plate, a stirring structure in the scheme adopts coaxial bidirectional stirring, so that stirring is more uniform, the stirring device can drive the packing auger and the scraping plate to rotate, the scraping plate can clean the conductive components on the inner wall of the stirring barrel, and the stirring efficiency is improved. A large amount of conductive components on the inner wall of the stirring barrel body are prevented from influencing use, the auger can be used for conveying and feeding the conductive components, the interior of the discharging pipe can be effectively prevented from being blocked, and the use effect of the double-helix stirring device is improved.

The utility model discloses a vibrating feeder panel structure which comprises a panel, a plurality of stepped boss sets are arranged on the surface of the panel at equal intervals in the conveying direction, each stepped boss set is composed of three bosses, the heights of the three bosses are sequentially increased in the panel conveying direction, and a stepped pushing structure is formed. The boss is of a composite structure and sequentially comprises an arc-shaped wear-resistant head part, an elastic connecting part and a bottom plate from top to bottom; the upper end of the elastic connecting part is fixedly connected with the arc-shaped wear-resistant head part, and the lower end is fixedly connected with the bottom plate; according to the panel structure of the vibrating feeder, the stepped boss sets with the heights gradually increased in the conveying direction are arranged on the surface of the panel, a stepped pushing structure is formed, iron ore aggregates can be effectively dispersed, accumulation is avoided, and the conveying efficiency is improved.

The utility model relates to a road condition camera for a rail transit locomotive, which comprises an outer shell, a plugging cover, a camera and a circuit assembly, the outer shell is a container with an opening on one side, a first accommodating space is arranged in the outer shell, the plugging cover is matched with the opening in shape, and the plugging cover is fixedly mounted at the opening to plug the first accommodating space. The circuit assembly is arranged in the first containing space and comprises a camera shooting main board and a main control main board, the camera shooting main board and the main control main board are arranged in parallel in a spaced mode, the camera shooting main board is electrically connected with the main control main board, and the camera is electrically connected with the camera shooting main board. The problems that all functions of a traditional monitoring camera are integrated on one circuit board, a large amount of heat is easily generated in the working process, the performance of the monitoring camera is reduced, and the service life of the monitoring camera is shortened are solved.

The present application relates to a kind of sample processing platform for carbon fiber number counting and the counting method of carbon fiber number, belong to carbon fiber detection technical field, solve the problem of low accuracy of counting caused by complex carbon fiber sample preparation and poor sample quality in existing method.Sample processing platform includes fixed platform and detachable auxiliary platform, fixed platform is internally provided with support area, sticking area and reference area from top to bottom, three are coaxial ladder-shaped hole structure, and auxiliary platform is sleeve-shaped.Counting method includes: using the sample processing platform to prepare fiber cross-section sample without adhesion and debris;Sample is placed into scanning electron microscope, and the overall picture is obtained by low-resolution scanning and high-resolution puzzle;Overall picture is segmented into slice;Slice is imported into image analysis software, and after gray threshold conversion, denoising, area and roundness screening, it is automatically counted and summed.The present application is simple in sample preparation, clear in image, accurate in counting, and significantly improves the efficiency and accuracy of carbon fiber number statistics.

This invention belongs to the field of optical thin film technology for optical devices, and relates to a ligand and a method for modifying metal oxide nanoparticles using this ligand, as well as its applications. This method of modifying metal oxide nanoparticles using a multi-branched ligand containing phosphate groups achieves precise control of reaction conditions and environment through a multi-ligand combination-step reaction modification approach. This results in a richer effect of the surface organic components of the metal oxide nanoparticles, exhibiting more transparent organic dispersion under high concentrations of the same inorganic particles. Furthermore, the multi-branched ligand containing phosphate groups shows higher reactivity with the surface of hydroxylated metal oxide nanoparticles, resulting in a more significant modification effect, with the surface organic ligand accounting for no less than 20% by thermogravimetric analysis.

The utility model provides a kind of spinneret, belong to textile machinery technical field.Its structure includes: a plurality of shunt cone is arranged to form array in the upper end of spinneret body, the shape of the array is regular hexagon, there are a plurality of spinneret hole in the periphery of each shunt cone;Every two adjacent shunt cone is arranged at equal intervals;Every two adjacent spinneret hole is arranged at equal intervals.The utility model is designed with new structure, can optimize the spinning process of fiber, improve the dispersion uniformity and surface quality of fiber.Through the structure design and material selection of spinneret, realize efficient, stable fiber production.The spinneret includes spinneret body and multiple spinneret holes arranged on the spinneret body.The shape, size and arrangement of spinneret hole are carefully designed to achieve uniform dispersion of fiber.At the same time, spinneret body is made of high-temperature-resistant and wear-resistant material to ensure stability in high temperature and high pressure environment.

The invention discloses a frame structure of a photovoltaic sunshade and the photovoltaic sunshade. The frame structure of the photovoltaic sunshade comprises a plurality of frame assemblies and a plurality of stand column assemblies. The plurality of frame assemblies are used for installing a photovoltaic assembly, and two adjacent frame assemblies comprise a first frame assembly and a second frame assembly. The upper end of each stand column assembly is used for connecting two adjacent frame assemblies, the lower end of each stand column assembly is used for being connected with a to-be-fixed face, each stand column assembly comprises a stand column and an adapter installed at the upper end of the stand column, and the adapter is connected with the first frame assembly and the second frame assembly. In the application, compared with direct connection of two adjacent frame assemblies, the arrangement of the adapter can effectively transmit and disperse the load between the two adjacent frame assemblies, so that the overall stability and bearing capacity of the frame structure can be significantly enhanced, the photovoltaic sunshade can more effectively resist the external environment, and the service life of the photovoltaic sunshade is prolonged. And the working stability and reliability of the photovoltaic sunshade are improved.