313results about How to "Meet different usage requirements" patented technology

The invention provides a laminated sheet glass curtain wall for regulating cavity vacuum degree for thermal insulation. The curtain wall comprises a glass shell, air inlet and exhaust pipe nozzles of a cavity, a fastening seal tube and a sealant, wherein the glass shell is formed by bonding a bottom glass plate, a surface glass plate, a support and an edge sealing layer through the sealant; air inlet and exhaust pipe holes are formed on the glass shell; the edge sealing layer is closely sealed and bonded vertically along the edge of the bottom glass plate through the sealant so as to form a glass groove which takes the bottom glass plate as a bottom and the edge sealing layer as a frame; the support is vertically bonded on the bottom glass plate surface in the glass groove through the sealant; the air inlet and exhaust pipe nozzles are locked, sealed and fixed on the air inlet and exhaust pipe holes on the glass shell through the fastening seal tube; and the surface glass plate is covered on the surface of the frame of the glass groove coated by the sealant, and is bonded and sealed on the frame of the glass groove through the sealant. By the laminated sheet glass curtain wall, the vacuum degree can be adjusted so as to realize reliable operation, so that large-scale production of the laminated sheet glass curtain wall can be realized, and the energy-saving effect of a building can be achieved furthest.

The invention discloses a cast-in-place ecological slope protection and a construction method thereof. The construction method is characterized by including the steps of firstly, mounting anchor bolts (10) on a slope (1); secondly, laying a plurality of reinforcing steel bars (3) on the slope in a staggering manner, and forming a reinforcing steel bar mesh with a plurality of meshes; thirdly, fixing two of the reinforcing steel bars (3) at each joint of each mesh together, and fixedly connecting the reinforcing steel bar mesh with the anchor bolts (10); fourthly, disposing a mould (5) in each mesh to allow all the adjacent moulds on the reinforcing steel bar mesh to enclose to form cavities mutually communicated through side plates of the moulds; and fifthly, pouring concrete into the cavities so that a plurality of mesh beams (2) are formed on the slope (1), wherein the mesh beams (2) are connected to form a mesh protection slope with a plurality of meshes to be planted. Pouring of the mesh beams is achieved in the field of a side slope, and accordingly the mesh beams are integrally connected mutually. In addition, the mesh beams are fixedly connected with the side slope, and accordingly a foundation for greening of the side slope is laid while the structure of the slope protection is stable.

The invention discloses a special composite damping coating for ships and warships and a preparation method thereof. The special composite damping coating comprises a damping layer and a constraint layer, wherein the damping layer refers to a two-component solvent-free polyurethane coating and comprises a first component and a second component; the first component refers to an isocyanate prepolymer synthesized by polyisocyanates and polyol; the second component comprises a chain extender, a dispersing agent, an antifoaming agent, a catalyst, a damping filler and pigments; the constraint layer refers to a two-component solvent-free epoxy resin coating and comprises a component A and a component B; the component A comprises a liquid epoxy resin, a reactive diluent, a dispersing agent, an antifoaming agent, a flame retardant, a thixotropic agent, talcum powder, wollastonite in powder and coarse whiting; and the component B comprises a modified curing agent, an antifoaming agent and a thixotropic agent. The coating adopts a constrained damping structure and is mainly used for reducing structural vibration and noise of naval vessels, the stealth capability, tactical qualities and comfortable capability can be improved, and the material has excellent sound insulation, antiseptic properties and medium resistance.

The invention discloses a polyamide thermosol, containing the following copolymer monomers: A. one or many kinds of hexanolactam, amino-caproic acid, 11-aminoundeeanic acid and laurolactam; B. one or many kinds of mixtures formed of C4-C9 aliphatic dicarboxylic acid and equivalent C2-C12 aliphatic diamine or their nylon salts; C. one or many kinds of mixtures formed of C10-C15 long-carbon chain aliphatic dicarboxylic acid and equivalent C4-C12 diamine or vinyl-amine or their nylon salts. It has high melting point, narrow fusing temperature range, high bonding strength, good low-temperature flexibility and high-temperature resistance, and can be applied to binding metal material, metal-plastic laminated composite, and car light.

The invention relates to a fiber-preform-reinforced aerogel insulating composite material. The fiber-preform-reinforced aerogel insulating composite material adopts ceramic fiber preform containing anopacifying agent as a reinforcement ,and adopts aerogel with nanopores as a matrix; a mass ratio of ceramic fiber in the ceramic fiber preform to the opacifying agent is 1:(0.1 to 0.5), and the opacifying agent is one or combination of TiO2, ZrO2, ZrSiO4, Cr2O3, Fe2O3 or SiC; the pore volume of the aerogel is larger than 2.5g/cm<3>. The fiber-preform-reinforced aerogel insulating composite material and the preparation method thereof have the beneficial effects that the high-temperature insulating property of the fiber-reinforced aerogel insulating material is obviously improved, and the highest use temperature of the material can reach 1200 DEG C, so that the heat stability is good; in addition, the fiber-preform-reinforced aerogel insulating composite material is good in mechanical property, and can be cut and machined into various member shapes to meet different use requirements.

The invention provides a method for rapid treatment of damage of a cavity beneath a cement concrete pavement slab and has the advantages of low cost, a fast repairing speed and a good effect. According to the invention, a falling weight deflectometer and a ground penetrating radar are used for determination of a cavity position at corners and a center position of a cement concrete pavement slab; then grouting holes are arranged in the cement concrete pavement slab, wherein an emulsified asphalt cement-based composite material is used as a grouting slurry; a grouting pump is employed to pump the grouting slurry from a mixer, and the grouting slurry is injected into the cavity position of the cement concrete pavement after pumping pressing by a high-pressure rubber hose; after grouting is finished, the cement concrete pavement is maintained for 4 to 6 h; and mortar is used to plug the grouting holes, after the grouting holes are stood for 8 to 12 h, and then parts of the pavement higher than the pavement is polished until the parts of the pavement are as high as the original pavement.

The invention belongs to the field of production and preparation of inorganic functional materials, and particularly relates to a process for preparing single-phase sodalite from fly ash, which comprises the following steps: pretreating fly ash by an alkaline fusion method; proportionally adding the activated fly ash, aluminum hydroxide and sodium hydroxide solution into a polytetrafluoroethyleneinner container, evenly mixing, and carrying out hydrothermal crystallization in a sealed constant-temperature drying oven; and finally, filtering the product, washing until the product becomes neutral, and drying to obtain the single-phase sodalite material. The invention successfully synthesizes the low-cost single-phase sodalite zeolitization material by using solid waste-fly ash as the raw material for production. The process has the advantages of low cost, abundant sources of raw material, controllable product performance, no secondary pollution and the like, is simple and easy to operate, and thus, has great industrial application potential.

The invention relates to a preparation method of a structure-controllable magnesium-based three-dimensional porous material. The base material of the porous material is pure magnesium or magnesium alloy and is filled with three-dimensional run-through pores. The porous material has the set structure according to the using requirement. The preparation method comprises the following steps: designing three-dimensional spatial configuration for pore forming according to the set structure; winding or weaving a metal wire to form the three-dimensional spatial configuration; infiltrating magnesium-based metal material molten liquid into the three-dimensional spatial configuration by a pressureless infiltration method or a suction casting method; cooling and forming a magnesium-based metal wire composite structure; removing the metal wire with the three-dimensional spatial configuration from the magnesium-based metal wire composite structure by a chemical corrosion method to form the magnesium-based three-dimensional porous material with the set structure. The magnesium-based three-dimensional porous material with different structures and properties are prepared by adjusting and changing the three-dimensional spatial configuration of the metal wire, so that the application requirements in the fields of biomedicine, energy exchange, purification and filtration, catalytic electrodes and the like are met.

The invention relates to the technical field of shock absorption and shock isolation of buildings and particularly relates to a prefabricated compound shock isolation member for an assembling type building. The prefabricated compound shock isolation member for the building comprises a member main body, a connecting assembly arranged on the member main body, and a pre-embedded assembly and reinforcing bars, which are arranged in the member main body; the prefabricated compound shock isolation member is integrally molded through concrete pouring; the connecting assembly is connected with a building member; the pre-embedded assembly is connected with a shock isolation support. The pre-embedded assembly, the reinforcing bars and the connecting assembly are integrally molded through the concrete pouring, so that precision requirements of the reinforcing bars and the pre-embedded assembly are guaranteed and manufacturing can be standardized; the installation efficiency, installation quality and installation precision of the shock isolation support are improved; the shock isolation performance of the building is improved. The pre-embedded assembly is flexible in design and can also be connected with a tensile device, a wind-resisting device and/or a fireproof device, so that the shock isolation support has fireproof, tensile and wind-resisting functions.

The invention provides a polymer melt shear vibration extrusion molding device which comprises an extruding machine 13, an extrusion head 1 connected with the extruding machine through a flange plate, a mouth mould 12, a stock mould 14, a cooling water tank 15, a traction device 16 and a cutting device 17, and is characterized by further comprising a crank connecting rod shear vibration system 18 and a melt runner vibration chamber 2, wherein the crank connecting rod shear vibration system 18 is arranged above the extrusion head 1; the melt runner vibration chamber 2 is arranged inside the extrusion head 1; the crank connecting rod shear vibration system is composed of a crank connecting rod mechanism and a reciprocating vibration rod 3; the reciprocating vibration rod 3 is positioned in a through hole 9 formed in the extrusion head 1; the through hole 9 is communicated with the melt runner vibration chamber 2. The device provided by the invention not only can simultaneously promote polymer molecule chain orientation, shish-kebab structure generation and polymer crystalline grain refinement, and improve mechanical property of products, but also can reduce extrusion resistance and improve production efficiency.

The invention relates to a semisolid injection molding machine with multi-station injection. The semisolid injection molding machine with multi-station injection comprises an injection mold and semisolid injection mechanisms. An injection mold cavity and injection sprues communicating mutually are arranged on the injection mold; two or more than two sets of semisolid injection mechanisms are arranged; two or more than two injection sprues are arranged corresponding to the semisolid injection mechanisms; the injection sprues communicate with the injection mold cavity through different injectionrunners; and the semisolid injection mechanisms communicate with the corresponding injection sprues. According to the semisolid injection molding machine with multi-station injection provided by theinvention, semisolid magnesium alloy is injected through the two sets of semisolid injection mechanisms, so that the injection volume is effectively increased, and the flow length ratio is reduced; and the structure is suitable for the occasions requiring producing thin-wall or thick-wall magnesium alloy products with high production quality and large flow length ratio.

The invention relates to the technical field of water purification, and in particular to a whole-house quality-divided purification method for tap water. The method comprises the following steps: conducting ultrafiltration treatment on tap water, and using ultrafiltration concentrated water as primary domestic water; conducting nanofiltration treatment on the tap water and using the nanofiltration concentrated water as secondary domestic water; and conducting UV sterilization treatment on nanofiltration water for domestic drinking. The invention also discloses a whole-house quality-divided purification device, comprising a membrane unit, a nanofiltration membrane unit and a UV sterilizer, which are connected successively; a water outlet of the UV sterilizer is connected with household drinking water port; and a concentrated water port of the ultrafiltration membrane unit and a concentrated water port of the nanofiltration membrane unit are respectively connected with a primary domestic water port and a secondary domestic water port. The whole-house quality-divided purification method and device for tap water provided by the invention employ a membrane integration technology and a full membrane process to produce water with three different qualities, so as to meet different use requirements of household or building users, improve taste of purified water and maintain nutrition content of some minerals.

The invention provides an electric deposition nickel pottery plating solution and a preparing method thereof. The method is characterized by using electric deposition nickel or nickel-base alloy plating solution as base plating solution, and adding insoluble inorganic nonmetallic micron-grade particles pretreated by non-ionic potyoxyethylene ether surfactant in the base plating solution, so that nickel pottery coating is deposited on a metal matrix. The invention employing non-ionic activator can effectively increase decentrality, stability, evenness and suspension degree of particles, promote codeposition for particles, reduce particle content in the plating solution, improve conductivity of the plating solution, and greatly increase organization performance of the nickel-base composite coating. The invention has advantages of simple process and easy execution.

The invention discloses preparation methods of benzocyclobutene functionalized cage type polysilsesquioxane (POSS), shown in a formula (IV), and resins of the benzocyclobutene functionalized cage type POSS. The preparation method of the benzocyclobutene functionalized cage type POSS comprises the steps of adding a toluene solution of OVPOSS and 4-(1,1-dimethyl-1-hydrogen)silicon-base benzocyclobutene into a reactor, replenishing the reactor with nitrogen for protecting, adding a tetrahydrofuran solution of chloroplatinic acid, carrying out a reaction at the temperature of 60-90 DEG C, separating and purifying the materials obtained after the reaction is finished so as to obtain the benzocyclobutene functionalized cage type POSS. The benzocyclobutene functionalized cage type POSS can be further prepared into body polymers or solution polymers, and can be added into matrix resins so as to form nano composite materials. According to the preparation methods, the POSS is cleverly introduced into the benzocyclobutene resin by means of a simple and efficient hydrosilylation reaction. The resins prepared by the methods provided by the invention have excellent heat stability, mechanical properties and electrical properties, thus being suitable for being used as interlayer dielectric films or packaging materials in the fields such as micro-electronics industry and national defense aerospace. The formula (IV) is described in the description.

The invention discloses a liquefied natural gas welding heat insulation gas cylinder valve box protection cover for a motor vehicle, relating to the field of mechanical technology. A heat insulation gas cylinder is provided with various necessary valves; one end of the heat insulation gas cylinder is fixed with a thick end of the protection cover, and the other end of the protection cover is connected with a top cover of the protection cover through a hasp lock; a liquid filling bracket sinks in the surface of the protection cover and is bolted with a mounting hole position of the liquid filling bracket of the protection cover; an emptying bracket sinks in the surface of the protection cover and is bolted with a mounting hole position of the emptying bracket of the protection cover, and a side cover of the protection cover is bolted with a side cover hole position of the protection cover; a gas filling seat, a gas return seat and a pressure meter which are fixed on the liquid filling bracket and a signal box fixed on the emptying bracket are all fixed with the heat insulation gas cylinder through a pipeline; and the bolting positions of the liquid filling bracket and the emptying bracket with the protection cover are exchanged. The protection cover disclosed by the invention is used for protecting a heat insulation gas cylinder, ensures the safety and is convenient to operate.

The invention discloses an X-ray beam filtering device, a beam limiter and a medical diagnosis X-ray apparatus. The X-ray beam filtering device comprises a power source, a first linear transmission device, a second linear transmission device, a linkage device, a first filtering sheet and a second filtering sheet, wherein the power source drives the first linear transmission device to move; the first linear transmission device drives the first filtering sheet as well as the linkage device; the linkage device is connected with the second linear transmission device; the second linear transmission device drives the second filtering sheet; and the linkage device has a load travel driving the second linear transmission device to move and a no-load travel free from drive. By controlling the first and second filtering sheets to change between the position in an X-ray beam range and the position outside an X-ray range, the filtering combinations with different filtering thickness can be realized and can not only filter unnecessary radioactive rays in the X-ray beam, but also can meet different filtering requirements as well as different using requirements of medical workers to a relatively large degree.

The invention provides a preparation method of a low-modulus high-elastic beta-type titanium alloy dental arch wire. The method conducts annealing treatment, low temperature rotary forging, multi-modedrawing, corresponding solution treatment and surface brightening treatment on titanium alloy bars to prepare the low-modulus high-elastic beta-type titanium alloy dental arch wire. The method fullyutilizes the characteristics of low strength and good elongation of a beta-type titanium alloy at a certain temperature, the deformation is increased and the number of pass is reduced by low temperature rotary forging, a clad layer is prepared on the surface of the dental arch wire, the color of the titanium alloy dental arch wire can be changed, and the use requirements of people can be met; anti-corrosion treatment is conducted on the titanium alloy dental arch wire, and the service life of the dental arch wire clad layer is prolonged. The preparation method of the titanium alloy dental archwire has the advantages of simple process, high manufacturing efficiency and good product effect, the prepared beta-type titanium alloy dental arch wire has good biocompatibility, low elastic modulusand high elasticity, and stable and mild corrective force and long-term moderate displacement can be obtained.