159results about How to "Uniform dispersion" patented technology

The invention relates to a composite phase-change film based on liquid metal and PBO fiber and a preparation method thereof, and belongs to the technical field of phase-change material preparation, and the preparation method comprises the following steps: the composite phase-change film comprises a poly (p-phenylbenzobisoxazole) fiber (PBO) base material, a phase-change material and a heat-conducting filler, the phase-change material is composed of phase-change microcapsules (PM) which are prepared by taking polyurethane (PU) as a wall material and organic solid-liquid phase-change materials (OPCMs) as a core material through a Pickering emulsion polymerization method. The prepared PM has a core-shell structure, and leakage of OPCMs is effectively prevented. The PM and the PBO fiber network are combined, so that the dual packaging of the OPCMs is realized, and the leakage of the OPCMs is further prevented. Meanwhile, dispersion and interaction of the OPCMs in a PBO matrix are optimized, and formation of a network structure with a limited domain is promoted. The composite phase change film prepared by the invention has relatively high mechanical properties, remarkable heat conductivity, excellent and stable flexibility and excellent heat storage capacity.

The invention relates to the technical field of coatings, and provides an antifouling coating as well as a preparation method and application thereof. The antifouling paint comprises a component A and a component B, wherein the component A comprises fluorosilicone modified acrylic resin, fluorinated paraffin, modified nano attapulgite, a wetting agent, a defoaming agent and a dispersing agent; a modifying agent of the modified nano attapulgite is 2-imidazole-1-ethylamine and 2-(3, 4-cyclohexyl oxide) ethyl triethoxy silane, and a modifying agent of the modified nano attapulgite is 2-imidazole-1-ethylamine and 2-(3, 4-cyclohexyl oxide) ethyl triethoxy silane; and the component B comprises a curing agent and a diluent. The nano attapulgite is modified, so that the dispersity of the nano attapulgite in the coating and the compatibility of the nano attapulgite with resin are improved, the nano attapulgite can be subjected to cross-linking reaction with other network structures to form a more compact cross-linked network, and the mechanical strength and the wear resistance of the coating are further improved.

The invention discloses a multifunctional composite hydrophobic membrane and a preparation method thereof, in the hydrophobic membrane, nano silicon dioxide, hydroxyl multi-walled carbon nanotubes and perfluorooctyl ethyl acrylate are polymerized to obtain a modified composite material, the modified composite material is added into a polyvinylidene fluoride-hexafluoropropylene copolymer, fibers are formed through an electrostatic spinning method, the fibers are deposited on a polyester net base lining, and the multifunctional composite hydrophobic membrane is prepared. Nano-silica and hydroxyl multi-walled carbon nanotubes are modified, agglomeration is effectively avoided, the hydrophobic membrane has good mechanical strength and toughness, and microcosmic multi-dimensional roughness of the surface of the membrane can be achieved by introducing an inorganic-organic nano hybrid material. Fluorine atoms in a perfluorooctyl ethyl acrylate structure have relatively low surface energy, so that the surface energy of the film can be remarkably reduced, the surface of the film has low surface energy and a rough structure, and the film is high in hydrophobicity and good in chemical stability.

The invention discloses high-performance concrete prepared from muck and a production process of the high-performance concrete, and relates to the technical field of concrete. The high-performance concrete prepared from the muck is characterized in that the high-performance concrete is prepared from cement, the muck, an active agent and water; wherein the weight part ratio of the cement to the muck to the active agent to the water is # imgabs0 #; wherein the # imgabs 1 # is the weight of the muck in unit volume, the # imgabs 2 # is the weight of the cement filled in the void volume of the muck, the # imgabs 3 # is the weight of the active agent filled in the void volume of the cement, and the # imgabs 4 # is the weight of the water determined based on the specific surface areas of the muck, the cement and the active agent. The concrete mix proportion is calculated by adopting a void volume filling method of unit volume; the submicron or nano-scale inorganic filling material is used for compacting pores and playing a role in rolling ball sliding among particles, so that the working performance of the concrete is improved.

The invention relates to the technical field of nano-liposomes, and discloses cardamonin nano-liposomes for promoting transdermal absorption and a preparation method and application thereof, the cardamonin nano-liposomes comprise an inner phase and an outer phase, the inner phase comprises the following raw materials in parts by weight: 5-10 parts of cardamonin, 2-10 parts of lecithin and 5-20 parts of grease, and the outer phase comprises the following raw materials in parts by weight: 5-10 parts of cardamonin, 2-10 parts of lecithin and 5-20 parts of grease; the stabilizer is carboxymethyl chitosan; an external phase: 0.1-5 parts of a surfactant, 0.1-3 parts of a stabilizer, 10-20 parts of short-chain alcohol and 44.9-80 parts of water; the mixture of the external phase and the internal phase is sequentially subjected to homogenization treatment and microjet homogenization treatment, and the cardamonin nano-liposome for promoting transdermal absorption is prepared. The cardamonin nano-liposome for promoting transdermal absorption provided by the invention is a flexible liposome, and can moisten skin and reduce moisture loss on the skin surface; the transdermal amount and retention amount of the carried components are obviously improved; the permeability of the cardamonin to the skin cell membrane is enhanced.

The invention relates to the technical field of adhesive tapes, and discloses an anti-crack flame-retardant double-sided glass fiber adhesive tape and a preparation method thereof, phosphoric acid compounds generated in the heating or combustion process of an epoxy cardanol-based flame retardant promote dehydration of an adhesive tape matrix to form a protective carbon layer, reduce heat release in the combustion process and improve the fire safety of the adhesive tape; epoxy groups in the structure can react with carboxyl-terminated nitrile rubber, so that the dispersity in epoxy resin is more uniform, a three-dimensional network structure with certain crosslinking density is formed, migration and precipitation are not easy to occur, and the flame-retardant durability is better; the polyepoxy cardanol-based flame retardant has good compatibility with the epoxy resin, and the linear flexible alkyl long chain has good toughness, so that when the adhesive tape is cracked by external force, part of energy can be absorbed to disperse stress and reduce brittleness, and an adhesive tape matrix is endowed with better impact resistance, thereby improving the crack resistance of the adhesive tape.

The invention provides a carbon fiber reinforced silicon carbide ceramic and a preparation method thereof, and belongs to the technical field of silicon carbide ceramics. The preparation method comprises the following steps: preparing functional carbon fibers, preparing modified silicon carbide microspheres, preparing a mixture, forming and calcining. The preparation method of the modified silicon carbide microspheres comprises the following steps: putting silicon carbide into an ethanol solution, adding sodium dodecyl amino propionate, carrying out ball milling treatment, and after ball milling is finished, filtering out and drying to obtain ball-milled silicon carbide; placing ball-milled silicon carbide in dimethyl sulfoxide, uniformly stirring, adding modified sodium alginate and hydroxyethyl cellulose, heating to 70-74 DEG C, adding tetrabutylammonium bromide, carrying out heat preservation reaction for 10.0-11.5 hours, and after the reaction is finished, filtering, washing and drying to obtain modified silicon carbide microspheres; the prepared ceramic product is high in strength performance and toughness, low in thermal expansion coefficient and excellent in high-temperature oxidation resistance.

The invention discloses a preparation method and application of a superfine iron-molybdenum catalyst, and belongs to the technical field of nano material synthesis. Aiming at the problem that the activity and the service life of the catalyst are affected due to the phenomena of sintering, segregation and the like of the iron-molybdenum catalyst under a high-temperature condition, a complexing agent and Fe < 3 + > are complexed in a strong acid environment to obtain a mother solution, the mother solution is soaked in MoO3 powder or subjected to co-precipitation with an ammonium molybdate solution or subjected to sol-gel preparation with ammonium molybdate, and the iron-molybdenum catalyst is prepared. And roasting to obtain the iron-molybdenum catalyst. Fe < 3 + > in the mother liquor is dispersed more uniformly, so that the particle size of iron-molybdenum powder is reduced, the particle size distribution range of the iron-molybdenum catalyst is narrowed, the dispersity of Fe and Mo components is enhanced, precipitation of Mo from a main phase is reduced, the activity of the catalyst is improved, and the service life of the catalyst is prolonged. The method is simple in preparation and low in cost, and the obtained superfine iron-molybdenum catalyst is high in selectivity and conversion rate and good in stability when being used for catalyzing selective oxidation of methanol to prepare formaldehyde and has commercial application and popularization value.

The invention relates to the technical field of foam pumps, and discloses an impeller and a foam pump, the impeller comprises a front ceramic piece, a rear ceramic piece and a metal framework, the front ceramic piece comprises a front cover plate, blades and guide blades which are connected in sequence; the rear ceramic piece comprises a rear cover plate, the rear cover plate is arranged on the side, away from the blades, of the front cover plate and spliced with the front cover plate, and a fixing cavity is formed between the rear cover plate and the front cover plate. The metal framework comprises a first supporting piece, a second supporting piece and a third supporting piece which are connected, the first supporting piece is arranged in the fixing cavity, the second supporting piece is embedded in the blade, and the third supporting piece is embedded in the guide blade. According to the invention, the front ceramic piece and the rear ceramic piece are respectively and integrally formed, and when the front ceramic piece and the rear ceramic piece need to be connected, the front cover plate and the rear cover plate are spliced; after the front ceramic piece and the rear ceramic piece are integrally formed respectively, the metal framework is embedded into the blades and the guide vanes, and then the front cover plate and the rear cover plate are spliced.

The invention discloses a clindamycin phosphate vaginal gel preparation device and method, and belongs to the technical field of pharmacy. The method comprises the steps that after clindamycin phosphate vaginal gel is prepared by a preparation tank, the clindamycin phosphate vaginal gel is filled into a vacuum defoaming tank through a feeding opening in the bottom of the vacuum defoaming tank, and a packaging tank is conveyed to a rotary positioning mechanism through a conveying mechanism; and the filling mechanism is used for filling the clindamycin phosphate vaginal gel stored in the vacuum defoaming tank into the packaging tank on the rotary positioning mechanism. The invention aims to solve the problems that the existing clindamycin phosphate vaginal gel is complex in preparation process and difficult to carry out constant temperature control, the preparation and filling process needs to be transferred for multiple times, the viscosity of the gel can change along with time, temperature or storage conditions, the uniformity of the gel and the use experience of a patient are influenced, and the gel is difficult to be used. And the filled finished product gel is very easy to have a large number of bubbles, so that a more transparent and uniform gel product can be obtained, and the physical property and the use comfort of the gel are improved.

The invention belongs to the technical field of production of special materials for electrical equipment, and provides a carbon ceramic resistor and a preparation method and application thereof in view of problems existing in the prior art. Composite conductive particles are uniformly dispersed in a ceramic matrix of the carbon ceramic resistor; the composite conductive particles comprise conductive carbon and aluminum oxide and are provided with hierarchical pores; the conductive carbon is constructed in the hierarchical porous composite conductive particles, and the dispersion of the carbon material is adjusted into the dispersion and distribution of the composite conductive particles in the ceramic matrix, so that the carbon material is more uniformly distributed in the carbon ceramic resistor; the phenomenon that conductive filler is prone to agglomeration due to the fact that a conductive carbon material is directly mixed with a ceramic material in a traditional method is avoided, meanwhile, due to the existence of aluminum oxide, interface bonding of the composite conductive particles and the ceramic matrix is tighter, and the overall conductive performance, strength and stability of the carbon ceramic resistor can be improved.

The invention provides a heat-conducting vegetable protein-based composition, a heat-conducting vegetable protein adhesive as well as a preparation method and application of the heat-conducting vegetable protein-based composition and the heat-conducting vegetable protein adhesive. The heat-conducting vegetable protein-based composition provided by the invention is prepared by ball-milling raw materials including a heat-conducting filler, modified vegetable protein and (3-(methacrylamido) propyl) trimethyl ammonium chloride in a mass ratio of 1: (0.3-5): (0.03-1) for 15-25 hours. The heat-conducting vegetable protein adhesive comprises the following raw materials in percentage by weight: 6-20% of the heat-conducting vegetable protein-based composition and 3-8% of a cross-linking agent, and further comprises 0.1-3% of a flame-retardant reinforcing agent on the basis of the heat-conducting vegetable protein-based composition and the cross-linking agent. The heat-conducting vegetable protein adhesive provided by the invention adopts the heat-conducting vegetable protein-based composition, has good cementing performance and water resistance, also has good heat conductivity, flame retardance and mildew resistance, is beneficial to preparation of multifunctional materials, and is beneficial to industrial application, especially in the field of artificial board industry.

The invention relates to the technical field of particle size detection, in particular to an online particle size detector which comprises a base, the screening and arranging mechanism comprises an arc-shaped shell fixedly connected to the upper end face of the base, one end of the arc-shaped shell is provided with a material conveying assembly used for spraying particles to be detected into the arc-shaped shell, and the other end of the arc-shaped shell is sequentially provided with a vacuum dust collector and a laser scattering instrument; two air curtain assemblies used for screening different specifications of particle sizes are symmetrically arranged on the inner arc face of the arc-shaped shell and the material conveying assembly, and fixing plates are arranged on the upper end faces of the opposite faces of the two air curtain assemblies. Through a material conveying assembly and an air curtain assembly in the screening and arranging mechanism, distributed transmission of granularity and screening of granularity of different specifications can be realized, so that the granularity specifications entering the detector are kept basically consistent, detection errors caused by particle mixing and a block mass effect are reduced by accurately controlling airflow and granularity distribution, and the detection accuracy is improved. And the detection result is more reliable.

The invention relates to the technical field of thermoplastic material foaming, in particular to a preparation method of an ultralight foaming material with micropore channels. The invention relates to an ultralight foaming material with micropore channels. The ultralight foaming material comprises the following substances in parts by weight: 80-90 parts of thermoplastic matrix resin; 0.1 to 2 parts of a pore-foaming agent; 0.1 to 0.8 part of a functional auxiliary agent; 10 to 20 parts of auxiliary materials; the pore-foaming agent comprises one or a mixture of more of activated carbon, zeolite, porous ceramic and hollow glass microspheres. According to the technical scheme, the thermoplastic matrix resin is selected to be combined with the pore-forming agent, the composite material formed after foaming treatment has a good vacuum channel structure, the density of the material is effectively reduced, the porosity of the material is improved, on the basis, selection of the pore-forming agent is optimized, and the porosity of the material is improved. The prepared ultralight foaming material has different pore structures and adsorption performance, and more excellent material performance can be obtained through mixed use.

The invention relates to a thermoplastic composite material capable of absorbing X-rays and a preparation method thereof, and belongs to the technical field of high polymer materials, X-ray shielding materials such as nano Gd2O3 and Bi2O3 are modified by using a silane coupling agent, and the compatibility and dispersity of the X-ray shielding materials with thermoplastic matrixes such as high molecular weight polyethylene are enhanced through a chemical bonding effect. Meanwhile, modified graphene and sodium humate components are introduced, and a two-dimensional structure of graphene and a functional group of sodium humate interact with the nano shielding material and a matrix, so that the dispersity and the interface bonding force of the material are further improved. The preparation method has the advantages that effective dispersion and stabilization of the refined nanometer shielding material are realized, the composite material is guaranteed to keep a high shielding effect, meanwhile, the composite material has excellent mechanical properties and lightweight design, and a new thought and approach are provided for developing an efficient, lightweight and stable X-ray shielding material.

The invention relates to the technical field of coating mixing, and discloses building decoration coating ingredient mixing equipment which comprises a tank body and a driving motor arranged at the top of the tank body, and further comprises a mixing shell fixedly assembled on the inner wall of the tank body, a homogenizing mechanism arranged in the tank body and an adjusting assembly arranged on the mixing shell; and a rotating shaft is fixedly assembled on the driving motor through an output end. According to the building decoration coating ingredient mixing equipment, a stirring sleeve rod is used for driving a uniform plate to stir and mix ingredient mixed liquid in the tank body, meanwhile, a wave adjusting ring is used for driving the uniform plate to rotate and move up and down at the same time, and then the stirring path of the uniform plate is continuously changed; compared with the prior art, the stirring tank has the advantages that the limit of ingredient mixing in the upper area and the lower area in the tank body is effectively broken through, uniform distribution and deep mixing of ingredients in the whole space of the tank body are promoted, the effective stirring area is greatly expanded through the arrangement, and it is ensured that the ingredients in all corners in the tank body can be fully mixed.

The invention relates to the technical field of wet tissues, in particular to a wet tissue for babies and a preparation method thereof.The wet tissue for babies comprises fiber cloth and liquid adsorbed by the fiber cloth, and the liquid comprises 1-2 parts of glycerin; 0.5-1 part of fir extract; 0.2 to 0.5 part of an oat extract; 0.1 to 0.2 part of a grapefruit seed extract; 0.1 to 0.3 part of a rosemary extract; 0.05 to 0.1 part of lactic acid; 0.05 to 0.1 part of vitamin E; 0.1 to 0.5 part of panthenol; 0.05 to 0.2 part of dipotassium glycyrrhizinate; the preparation method comprises the following steps: putting the fiber cloth into pre-wetting equipment, pre-wetting the fiber cloth to 10-20% of the weight of the fiber cloth, controlling the temperature to be 30-40 DEG C in the pre-wetting process, impregnating the pre-wetted fiber cloth with liquid, controlling the temperature of the liquid to be 20-30 DEG C, and controlling the impregnation pressure to be 1-5 MP. And the wet tissue does not contain any irritant or harmful chemical substances, so that the safety and the mildness of the wet tissue during cleaning of the skin of the baby are ensured.

This invention relates to the field of food preservation technology and discloses a liquid preservative for preserving fresh walnut kernels. The preservative comprises a natural preservative, a solubilizing and stabilizing agent, and a solvent. This liquid preservative uses natural phloretin as the preservative component, combined with Tween 80 as a solubilizing and stabilizing agent and ethanol as a solvent. This effectively solves the problems of poor water and oil solubility and inadequate stability of phloretin, allowing it to be stably dispersed in the preservative system and fully exert its antioxidant and antimicrobial effects. Furthermore, the preparation method is simple and easy to implement, and the production process is safe and controllable. It is convenient to use; the preservation of fresh walnut kernels can be achieved through dilution and soaking. The diluted solution can be reused, reducing usage costs. Simultaneously, it can inhibit bacterial growth during the storage of fresh walnut kernels, delay oxidative deterioration, maintain their good appearance and quality, extend shelf life, and meet the market demand for high-quality fresh walnut kernels.

The invention discloses a dosing device for sewage treatment of a water plant, and relates to the field of sewage dosing devices.The dosing device comprises a preparation device used for receiving medicine powder and water liquid, a medicine powder dispersing mechanism arranged above the preparation device and a storage mechanism arranged above the medicine powder dispersing mechanism; the water is dispersed into the preparation device and is mixed with the water liquid in the preparation device. The medicine powder dispersing mechanism comprises a screen frame, a guide part arranged in the center of the screen frame, a plurality of rotating shafts arranged on the outer side of the guide part in a surrounding mode along the circumferential track, and a plurality of sets of guide blades installed on the rotating shafts correspondingly. According to the preparation device, through dispersion operation on medicine powder, the medicine powder can uniformly fall from different positions above the preparation device at a constant speed, the problem that the local concentration is too high due to concentrated falling of the medicine powder is avoided, and meanwhile the caking phenomenon generated after the medicine powder falls in a concentrated mode and is fused with water liquid can be avoided; the medicine powder and the water liquid can be fully and uniformly mixed.

The invention discloses a fire-proof and explosion-proof lithium battery device applied to fire fighting equipment, and relates to the technical field of lithium batteries, the fire-proof and explosion-proof lithium battery device comprises an explosion-proof shell and a mounting shell, and a lithium battery body is placed in the mounting shell. According to the device, the mounting shell for mounting the lithium battery body and the explosion-proof shell are indirectly connected through the two groups of first buffer mechanisms which are designed in a diagonal manner and do not directly contact with each other, and the first dampers and the first springs which are arranged in the diagonal direction can more uniformly disperse and absorb energy; meanwhile, the arrangement mode can provide a damping effect in multiple directions, vibration and impact from different angles are effectively resisted, the stability of the lithium battery body is improved, the design of the limiting mechanism further ensures that the lithium battery body cannot collide in the explosion-proof shell in the shaking process, and the service life of the lithium battery body is prolonged. The problem that the lithium battery is easy to damage when fire fighting equipment using the lithium battery shakes is effectively avoided, and the use effect of the fireproof and explosion-proof lithium battery is improved.

The utility model discloses caustic soda evaporation equipment, and relates to the technical field of caustic soda processing. A mounting box is arranged above the first bottom plate, a top cover is arranged at the top of the mounting box, two limiting blocks are connected to the end of the top cover, and an evaporation box is arranged in the mounting box. The driving motor drives the connecting shaft to rotate, the connecting shaft drives the stirring blade to rotate, the stirring blade drives the scraping blade to scrape caustic soda on the inner wall of the evaporation box, the movement of the scraping blade can prevent materials from being deposited in a stirring container or attached to the wall of the container, and the scraping blade scrapes liquid and the materials from the wall of the container. The opportunities of deposition and scaling are reduced; and the movement and stirring of the liquid can be increased, so that the mixture is more uniformly dispersed and mixed, and the materials are prevented from being deposited in the stirring container or attached to the wall of the container.

The present application relates to the technical field of underground engineering construction, specifically to a jacking starting shaft jacking force distribution system and its construction method. The system includes the outer wall of the basement, the building floor, the starting shaft and the distribution wall, which is intended to effectively distribute and transmit the thrust of the hydraulic jacking machine during the jacking construction to reduce the impact on the surrounding structures. The thrust is dispersed to the building floor through the distribution wall, reducing the risk of damage to the outer wall. The construction method includes the construction of the starting shaft enclosure, excavation and distribution wall construction to ensure the accuracy and stability of the structure and improve the force transmission effect. The present application realizes the effective transmission and dispersion of the thrust, reduces the risk of deformation of the outer wall, protects the safety of the building structure, and improves the construction efficiency.

The utility model relates to glaze grinding technical field provides a glaze grinding with ball mill, including ball mill main part, support and motor, the both ends of ball mill main part outside are provided with support, and the ball mill main part rotation is arranged between the support, and the end of rear end support is installed with motor, and the motor is connected with the rear end of ball mill main part, and the outside of ball mill main part is provided with the outer sleeve shell, and the top of outer sleeve shell inside is provided with cooling assembly, and the inside of ball mill main part is provided with ball mill cavity, and ball mill cavity is obliquely arranged in the inside of ball mill main part, the utility model discloses the oblique design of ball mill cavity, cooperation ball mill main part rotation, let the grinding ball and glaze reciprocating roll in ball mill cavity. In the rolling process, the frequent and powerful collision, friction of both, greatly improve the grinding efficiency of glaze, can fast glaze processing to the fine degree that meets the process requirement, satisfies the efficient production demand.

The present application relates to the technical field of lithium ion batteries, in particular to a core-shell structure binder for lithium battery carbon-coated current collector, its preparation method and application, the present application takes polyacrylonitrile seed emulsion, passes into nitrogen, adds shell monomer pre-emulsion, potassium persulfate aqueous solution, warms, reacts, cools, adds anhydrous ethanol, centrifugal, removes impurities, dries, grinds, obtains core-shell structure binder. The compact, hydrophobic shell layer of the core-shell structure binder acts as a barrier to prevent oxygen and moisture in the air from entering the core layer, thereby protecting the cyano group of the polyacrylonitrile in the core layer; when the lithium battery carbon-coated current collector is coated with the positive electrode material, the N-methyl pyrrolidone in the positive electrode material can selectively permeate the shell layer and swell with the cyano group of the polyacrylonitrile in the core layer, thereby improving the interlayer adhesion between the carbon-coated layer and the positive electrode material through subsequent drying, and solving the problem of poor stability of traditional polyacrylonitrile-based binders.

The invention discloses a composite material with longitudinally distributed basalt fibers as well as a preparation method and application of the composite material. The composite material comprises at least one layer of base plate, wherein the base plate is formed by closely paving a plurality of prismatic unit bodies which are consistent in thickness and have regular polygonal cross sections; the unit bodies in the composite material are fixed into a whole through an adhesive; the unit body is composed of a plurality of basalt fibers which are longitudinally arranged; the fiber direction of the basalt fibers in the unit bodies is the same as the axis direction of the unit bodies and is perpendicular to the plate face of the base plate obtained by tiling the unit bodies. The core of the bulletproof armor plate is that the distribution direction of basalt fibers is changed from the radial direction to the axial direction, so that the problem that the radial pressure resistance is insufficient when traditional fibers are transversely distributed is solved, and the prepared bulletproof armor plate can convert impact force of bullets into pressure on the axial direction of the fibers; the extremely high axial compressive strength of the basalt fibers is fully utilized, so that the bulletproof efficiency is remarkably improved, and the light weight of the armor is achieved.

The invention discloses an anti-aging and anti-electromagnetic shielding cable and a preparation method thereof, and belongs to the field of high voltage and the technical field of materials, the anti-aging and anti-electromagnetic shielding cable structurally contains a polyurethane-polyethylene copolymer and a flame-retardant and anti-electromagnetic sheet composite carrier, contains a polyurethane chain segment which is connected with a polyethylene main chain through a covalent bond, has no interface separation risk, and has good anti-aging and anti-electromagnetic shielding effects. Polyethylene is resistant to acid, alkali and salt mist, a carbamate group in a polyurethane chain segment can capture free radicals generated by photooxidation and thermal oxidation of polyethylene, aging is delayed from the molecular level, and the flame-retardant anti-electromagnetic sheet composite carrier endows the cable with good aging resistance and anti-electromagnetic shielding characteristics; the lamellar structure of the sheet-shaped carrier can block heat transfer and combustible volatilization, and the lamellar structure and the sheet-shaped carrier synergistically improve the flame-retardant efficiency; the introduction of the flaky composite carrier not only endows functional characteristics, but also can be used as a rigid reinforcement phase, so that the wear resistance and the extrusion resistance of the cable are improved, and the loss of the cable in the dragging and construction processes is reduced.

The utility model discloses a prestressed hollow square pile reinforcing structure, include: pile body, reinforcing component, the reinforcing component includes upper reinforcing block, lower reinforcing block, reinforcing rib, support ring, hanging rod and positioning slot, upper reinforcing block distributes in the upper portion of the inner surface of pile body, and lower reinforcing block distributes in the lower portion of the inner surface of pile body, and support ring is fixedly connected between a plurality of upper reinforcing blocks and a plurality of lower reinforcing blocks respectively, and reinforcing rib is poured and is connected between a plurality of support rings, and hanging rod is fixed in the outer end of reinforcing rib. The utility model discloses being equipped with the reinforcing component, after upper reinforcing block, lower reinforcing block, reinforcing rib and support ring are installed in the inside of pile body, hanging rod is hung in the inside of positioning slot, and top ring is inlaid in the top and bottom of the inner surface of pile body and is clamped with the top of hanging rod through the clamping hole, pours and fills in the inside recess, makes top ring and upper reinforcing block, lower reinforcing block realize fusion between, forms integrated reinforcing structure, and the integrity of the inside of pile body is strengthened.

An efficient iron removal machine for lithium battery materials comprises a hopper, a feeding cylinder, a blocking strip, a distributor, a vibration motor, material uniformizing nails, a first magnetic roller, a transmission gear, a second magnetic roller, a material distribution plate, a material scattering hopper, an iron hopper and a non-iron hopper, the distributor is in a ridge shape, the material uniformizing nails are arranged on the two slopes of the ridge, and the vibration motor is arranged on the end face of the distributor; a first magnetic roller and a second magnetic roller are arranged below the ridge-shaped distributor, a plurality of magnetic poles are arranged in the rollers, and distributing plates are arranged below the rollers respectively. By means of the technology, 10-15000-mesh magnetic substances such as iron and titanium in the powder in the machining process can be continuously and effectively separated and removed, the processes such as magnetizing, demagnetizing and stopping for material receiving in the midway of an existing magnetic separator are omitted, and the production efficiency is improved.

The invention belongs to the technical field of protein beverages, and particularly relates to a composite peptide beverage and a preparation process thereof. The active ingredients of the drink comprise calf thymosin, cattle spleen protein peptide, hemoglobin peptide, bone collagen peptide and collagen peptide in a weight ratio of (2-3): 1: 1: 1: 1. The pH value of the system is adjusted to 3.5-4.5, so that each peptide molecule is positively charged under the acidic condition, the electrostatic repulsion and hydration among molecules are enhanced, and bitter groups are effectively masked. The flavoring agent is compounded by DL-malic acid, crystalline fructose, xylitol and sucralose according to the weight ratio of (0.6-1): 1: 0.4: (0.03-0.04), and the sour and sweet taste and flavor coordination are synergistically improved. The preparation method comprises the following steps: dissolving the DL-malic acid in purified water, dissolving the uniformly mixed active components in purified water at 40-60 DEG C, respectively adding other flavoring agents, stabilizing agents and essence, and finally filtering to obtain the product. The problem of bad flavor of the peptide is solved, so that the beverage is appropriate in taste, harmonious in flavor and easy to accept.

The invention relates to the technical field of recycled asphalt, and provides a component recovery agent, recycled asphalt and a preparation method, and the component recovery agent comprises the following components by weight: 95% of aromatic base oil, 1.5% of silicone oil, 1.0% of an antioxidant, 0.5% of a dispersant and 2.0% of a penetrant. On the basis, the function of recovering the aged asphalt can be better realized, and the high temperature resistance and durability of the recycled asphalt are ensured.